src/gtkcombobox.c@8d817cb4268b (annotated)
src/gtkcombobox.c
Sat, 26 Mar 2005 01:20:31 +0000
- author
- Stu Tomlinson <nosnilmot@pidgin.im>
- date
- Sat, 26 Mar 2005 01:20:31 +0000
- changeset 10731
- 8d817cb4268b
- parent 10708
- a32e607690ca
- child 11780
- 9aee3bde84b9
- permissions
- -rw-r--r--
[gaim-migrate @ 12333]
Patch 4/4 (I forget what patch did what, this branch stuff is confusing me)
| 10708 | 1 | /* gtkcombobox.c |
| 2 | * Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org> | |
| 3 | * | |
| 4 | * This library is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU Library General Public | |
| 6 | * License as published by the Free Software Foundation; either | |
| 7 | * version 2 of the License, or (at your option) any later version. | |
| 8 | * | |
| 9 | * This library is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | * Library General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Library General Public | |
| 15 | * License along with this library; if not, write to the | |
| 16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 | * Boston, MA 02111-1307, USA. | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | #include <config.h> | |
| 22 | */ | |
| 23 | #include <gtk/gtkversion.h> | |
| 24 | #if !GTK_CHECK_VERSION(2,4,0) | |
| 25 | #include "gtkcombobox.h" | |
| 26 | ||
| 27 | #include <gtk/gtkarrow.h> | |
| 28 | #include <gtk/gtkbindings.h> | |
| 29 | #include "gtkcelllayout.h" | |
| 30 | #include <gtk/gtkcellrenderertext.h> | |
| 31 | #include "gtkcellview.h" | |
| 32 | #include "gtkcellviewmenuitem.h" | |
| 33 | #include <gtk/gtkeventbox.h> | |
| 34 | #include <gtk/gtkframe.h> | |
| 35 | #include <gtk/gtkhbox.h> | |
| 36 | #include <gtk/gtkliststore.h> | |
| 37 | #include <gtk/gtkmain.h> | |
| 38 | #include <gtk/gtkmenu.h> | |
| 39 | #include <gtk/gtktogglebutton.h> | |
| 40 | #include <gtk/gtktreeselection.h> | |
| 41 | /* | |
| 42 | #include <gtk/gtktreeprivate.h> | |
| 43 | */ | |
| 44 | #include <gtk/gtkvseparator.h> | |
| 45 | #include <gtk/gtkwindow.h> | |
| 46 | ||
| 47 | #include <gdk/gdkkeysyms.h> | |
| 48 | ||
| 49 | #include <gobject/gvaluecollector.h> | |
| 50 | ||
| 51 | #include <string.h> | |
| 52 | #include <stdarg.h> | |
| 53 | ||
| 54 | #ifdef ENABLE_NLS | |
| 55 | # include <libintl.h> | |
| 56 | # define _(x) gettext(x) | |
| 57 | # ifdef gettext_noop | |
| 58 | # define N_(String) gettext_noop (String) | |
| 59 | # else | |
| 60 | # define N_(String) (String) | |
| 61 | # endif | |
| 62 | #else | |
| 63 | # define N_(String) (String) | |
| 64 | # define _(x) (x) | |
| 65 | #endif | |
| 66 | ||
| 67 | /* WELCOME, to THE house of evil code */ | |
| 68 | ||
| 69 | typedef struct _ComboCellInfo ComboCellInfo; | |
| 70 | struct _ComboCellInfo | |
| 71 | { | |
| 72 | GtkCellRenderer *cell; | |
| 73 | GSList *attributes; | |
| 74 | ||
| 75 | GtkCellLayoutDataFunc func; | |
| 76 | gpointer func_data; | |
| 77 | GDestroyNotify destroy; | |
| 78 | ||
| 79 | guint expand : 1; | |
| 80 | guint pack : 1; | |
| 81 | }; | |
| 82 | ||
| 83 | struct _GtkComboBoxPrivate | |
| 84 | { | |
| 85 | GtkTreeModel *model; | |
| 86 | ||
| 87 | gint col_column; | |
| 88 | gint row_column; | |
| 89 | ||
| 90 | gint wrap_width; | |
| 91 | ||
| 92 | gint active_item; | |
| 93 | ||
| 94 | GtkWidget *tree_view; | |
| 95 | GtkTreeViewColumn *column; | |
| 96 | ||
| 97 | GtkWidget *cell_view; | |
| 98 | GtkWidget *cell_view_frame; | |
| 99 | ||
| 100 | GtkWidget *button; | |
| 101 | GtkWidget *box; | |
| 102 | GtkWidget *arrow; | |
| 103 | GtkWidget *separator; | |
| 104 | ||
| 105 | GtkWidget *popup_widget; | |
| 106 | GtkWidget *popup_window; | |
| 107 | GtkWidget *popup_frame; | |
| 108 | ||
| 109 | guint inserted_id; | |
| 110 | guint deleted_id; | |
| 111 | guint reordered_id; | |
| 112 | guint changed_id; | |
| 113 | ||
| 114 | gint width; | |
| 115 | GSList *cells; | |
| 116 | ||
| 117 | guint popup_in_progress : 1; | |
| 118 | guint destroying : 1; | |
| 119 | }; | |
| 120 | ||
| 121 | /* While debugging this evil code, I have learned that | |
| 122 | * there are actually 4 modes to this widget, which can | |
| 123 | * be characterized as follows | |
| 124 | * | |
| 125 | * 1) menu mode, no child added | |
| 126 | * | |
| 127 | * tree_view -> NULL | |
| 128 | * cell_view -> GtkCellView, regular child | |
| 129 | * cell_view_frame -> NULL | |
| 130 | * button -> GtkToggleButton set_parent to combo | |
| 131 | * box -> child of button | |
| 132 | * arrow -> child of box | |
| 133 | * separator -> child of box | |
| 134 | * popup_widget -> GtkMenu | |
| 135 | * popup_window -> NULL | |
| 136 | * popup_frame -> NULL | |
| 137 | * | |
| 138 | * 2) menu mode, child added | |
| 139 | * | |
| 140 | * tree_view -> NULL | |
| 141 | * cell_view -> NULL | |
| 142 | * cell_view_frame -> NULL | |
| 143 | * button -> GtkToggleButton set_parent to combo | |
| 144 | * box -> NULL | |
| 145 | * arrow -> GtkArrow, child of button | |
| 146 | * separator -> NULL | |
| 147 | * popup_widget -> GtkMenu | |
| 148 | * popup_window -> NULL | |
| 149 | * popup_frame -> NULL | |
| 150 | * | |
| 151 | * 3) list mode, no child added | |
| 152 | * | |
| 153 | * tree_view -> GtkTreeView, child of popup_frame | |
| 154 | * cell_view -> GtkCellView, regular child | |
| 155 | * cell_view_frame -> GtkFrame, set parent to combo | |
| 156 | * button -> GtkToggleButton, set_parent to combo | |
| 157 | * box -> NULL | |
| 158 | * arrow -> GtkArrow, child of button | |
| 159 | * separator -> NULL | |
| 160 | * popup_widget -> tree_view | |
| 161 | * popup_window -> GtkWindow | |
| 162 | * popup_frame -> GtkFrame, child of popup_window | |
| 163 | * | |
| 164 | * 4) list mode, child added | |
| 165 | * | |
| 166 | * tree_view -> GtkTreeView, child of popup_frame | |
| 167 | * cell_view -> NULL | |
| 168 | * cell_view_frame -> NULL | |
| 169 | * button -> GtkToggleButton, set_parent to combo | |
| 170 | * box -> NULL | |
| 171 | * arrow -> GtkArrow, child of button | |
| 172 | * separator -> NULL | |
| 173 | * popup_widget -> tree_view | |
| 174 | * popup_window -> GtkWindow | |
| 175 | * popup_frame -> GtkFrame, child of popup_window | |
| 176 | * | |
| 177 | */ | |
| 178 | ||
| 179 | enum { | |
| 180 | CHANGED, | |
| 181 | LAST_SIGNAL | |
| 182 | }; | |
| 183 | ||
| 184 | enum { | |
| 185 | PROP_0, | |
| 186 | PROP_MODEL, | |
| 187 | PROP_WRAP_WIDTH, | |
| 188 | PROP_ROW_SPAN_COLUMN, | |
| 189 | PROP_COLUMN_SPAN_COLUMN, | |
| 190 | PROP_ACTIVE | |
| 191 | }; | |
| 192 | ||
| 193 | static GtkBinClass *parent_class = NULL; | |
| 194 | static guint combo_box_signals[LAST_SIGNAL] = {0,}; | |
| 195 | ||
| 196 | #define BONUS_PADDING 4 | |
| 197 | ||
| 198 | ||
| 199 | /* common */ | |
| 200 | static void gtk_combo_box_class_init (GtkComboBoxClass *klass); | |
| 201 | static void gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface); | |
| 202 | static void gtk_combo_box_init (GtkComboBox *combo_box); | |
| 203 | static void gtk_combo_box_finalize (GObject *object); | |
| 204 | static void gtk_combo_box_destroy (GtkObject *object); | |
| 205 | ||
| 206 | static void gtk_combo_box_set_property (GObject *object, | |
| 207 | guint prop_id, | |
| 208 | const GValue *value, | |
| 209 | GParamSpec *spec); | |
| 210 | static void gtk_combo_box_get_property (GObject *object, | |
| 211 | guint prop_id, | |
| 212 | GValue *value, | |
| 213 | GParamSpec *spec); | |
| 214 | ||
| 215 | static void gtk_combo_box_state_changed (GtkWidget *widget, | |
| 216 | GtkStateType previous); | |
| 217 | static void gtk_combo_box_style_set (GtkWidget *widget, | |
| 218 | GtkStyle *previous); | |
| 219 | static void gtk_combo_box_button_toggled (GtkWidget *widget, | |
| 220 | gpointer data); | |
| 221 | static void gtk_combo_box_add (GtkContainer *container, | |
| 222 | GtkWidget *widget); | |
| 223 | static void gtk_combo_box_remove (GtkContainer *container, | |
| 224 | GtkWidget *widget); | |
| 225 | ||
| 226 | static ComboCellInfo *gtk_combo_box_get_cell_info (GtkComboBox *combo_box, | |
| 227 | GtkCellRenderer *cell); | |
| 228 | ||
| 229 | static void gtk_combo_box_menu_show (GtkWidget *menu, | |
| 230 | gpointer user_data); | |
| 231 | static void gtk_combo_box_menu_hide (GtkWidget *menu, | |
| 232 | gpointer user_data); | |
| 233 | ||
| 234 | static void gtk_combo_box_set_popup_widget (GtkComboBox *combo_box, | |
| 235 | GtkWidget *popup); | |
| 236 | static void gtk_combo_box_menu_position_below (GtkMenu *menu, | |
| 237 | gint *x, | |
| 238 | gint *y, | |
| 239 | gint *push_in, | |
| 240 | gpointer user_data); | |
| 241 | static void gtk_combo_box_menu_position_over (GtkMenu *menu, | |
| 242 | gint *x, | |
| 243 | gint *y, | |
| 244 | gint *push_in, | |
| 245 | gpointer user_data); | |
| 246 | static void gtk_combo_box_menu_position (GtkMenu *menu, | |
| 247 | gint *x, | |
| 248 | gint *y, | |
| 249 | gint *push_in, | |
| 250 | gpointer user_data); | |
| 251 | ||
| 252 | static gint gtk_combo_box_calc_requested_width (GtkComboBox *combo_box, | |
| 253 | GtkTreePath *path); | |
| 254 | static void gtk_combo_box_remeasure (GtkComboBox *combo_box); | |
| 255 | ||
| 256 | static void gtk_combo_box_unset_model (GtkComboBox *combo_box); | |
| 257 | ||
| 258 | static void gtk_combo_box_size_request (GtkWidget *widget, | |
| 259 | GtkRequisition *requisition); | |
| 260 | static void gtk_combo_box_size_allocate (GtkWidget *widget, | |
| 261 | GtkAllocation *allocation); | |
| 262 | static void gtk_combo_box_forall (GtkContainer *container, | |
| 263 | gboolean include_internals, | |
| 264 | GtkCallback callback, | |
| 265 | gpointer callback_data); | |
| 266 | static gboolean gtk_combo_box_expose_event (GtkWidget *widget, | |
| 267 | GdkEventExpose *event); | |
| 268 | static gboolean gtk_combo_box_scroll_event (GtkWidget *widget, | |
| 269 | GdkEventScroll *event); | |
| 270 | static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box, | |
| 271 | gint index); | |
| 272 | static gboolean gtk_combo_box_key_press (GtkWidget *widget, | |
| 273 | GdkEventKey *event, | |
| 274 | gpointer data); | |
| 275 | ||
| 276 | /* listening to the model */ | |
| 277 | static void gtk_combo_box_model_row_inserted (GtkTreeModel *model, | |
| 278 | GtkTreePath *path, | |
| 279 | GtkTreeIter *iter, | |
| 280 | gpointer user_data); | |
| 281 | static void gtk_combo_box_model_row_deleted (GtkTreeModel *model, | |
| 282 | GtkTreePath *path, | |
| 283 | gpointer user_data); | |
| 284 | static void gtk_combo_box_model_rows_reordered (GtkTreeModel *model, | |
| 285 | GtkTreePath *path, | |
| 286 | GtkTreeIter *iter, | |
| 287 | gint *new_order, | |
| 288 | gpointer user_data); | |
| 289 | static void gtk_combo_box_model_row_changed (GtkTreeModel *model, | |
| 290 | GtkTreePath *path, | |
| 291 | GtkTreeIter *iter, | |
| 292 | gpointer data); | |
| 293 | ||
| 294 | /* list */ | |
| 295 | static void gtk_combo_box_list_position (GtkComboBox *combo_box, | |
| 296 | gint *x, | |
| 297 | gint *y, | |
| 298 | gint *width, | |
| 299 | gint *height); | |
| 300 | static void gtk_combo_box_list_setup (GtkComboBox *combo_box); | |
| 301 | static void gtk_combo_box_list_destroy (GtkComboBox *combo_box); | |
| 302 | ||
| 303 | static void gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box); | |
| 304 | ||
| 305 | static gboolean gtk_combo_box_list_button_released (GtkWidget *widget, | |
| 306 | GdkEventButton *event, | |
| 307 | gpointer data); | |
| 308 | static gboolean gtk_combo_box_list_key_press (GtkWidget *widget, | |
| 309 | GdkEventKey *event, | |
| 310 | gpointer data); | |
| 311 | static gboolean gtk_combo_box_list_button_pressed (GtkWidget *widget, | |
| 312 | GdkEventButton *event, | |
| 313 | gpointer data); | |
| 314 | ||
| 315 | static void gtk_combo_box_list_row_changed (GtkTreeModel *model, | |
| 316 | GtkTreePath *path, | |
| 317 | GtkTreeIter *iter, | |
| 318 | gpointer data); | |
| 319 | ||
| 320 | /* menu */ | |
| 321 | static void gtk_combo_box_menu_setup (GtkComboBox *combo_box, | |
| 322 | gboolean add_children); | |
| 323 | static void gtk_combo_box_menu_fill (GtkComboBox *combo_box); | |
| 324 | static void gtk_combo_box_menu_destroy (GtkComboBox *combo_box); | |
| 325 | ||
| 326 | static void gtk_combo_box_item_get_size (GtkComboBox *combo_box, | |
| 327 | gint index, | |
| 328 | gint *cols, | |
| 329 | gint *rows); | |
| 330 | static void gtk_combo_box_relayout_item (GtkComboBox *combo_box, | |
| 331 | gint index); | |
| 332 | static void gtk_combo_box_relayout (GtkComboBox *combo_box); | |
| 333 | ||
| 334 | static gboolean gtk_combo_box_menu_button_press (GtkWidget *widget, | |
| 335 | GdkEventButton *event, | |
| 336 | gpointer user_data); | |
| 337 | static void gtk_combo_box_menu_item_activate (GtkWidget *item, | |
| 338 | gpointer user_data); | |
| 339 | static void gtk_combo_box_menu_row_inserted (GtkTreeModel *model, | |
| 340 | GtkTreePath *path, | |
| 341 | GtkTreeIter *iter, | |
| 342 | gpointer user_data); | |
| 343 | static void gtk_combo_box_menu_row_deleted (GtkTreeModel *model, | |
| 344 | GtkTreePath *path, | |
| 345 | gpointer user_data); | |
| 346 | static void gtk_combo_box_menu_rows_reordered (GtkTreeModel *model, | |
| 347 | GtkTreePath *path, | |
| 348 | GtkTreeIter *iter, | |
| 349 | gint *new_order, | |
| 350 | gpointer user_data); | |
| 351 | static void gtk_combo_box_menu_row_changed (GtkTreeModel *model, | |
| 352 | GtkTreePath *path, | |
| 353 | GtkTreeIter *iter, | |
| 354 | gpointer data); | |
| 355 | static gboolean gtk_combo_box_menu_key_press (GtkWidget *widget, | |
| 356 | GdkEventKey *event, | |
| 357 | gpointer data); | |
| 358 | ||
| 359 | /* cell layout */ | |
| 360 | static void gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout, | |
| 361 | GtkCellRenderer *cell, | |
| 362 | gboolean expand); | |
| 363 | static void gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout, | |
| 364 | GtkCellRenderer *cell, | |
| 365 | gboolean expand); | |
| 366 | static void gtk_combo_box_cell_layout_clear (GtkCellLayout *layout); | |
| 367 | static void gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout, | |
| 368 | GtkCellRenderer *cell, | |
| 369 | const gchar *attribute, | |
| 370 | gint column); | |
| 371 | static void gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout, | |
| 372 | GtkCellRenderer *cell, | |
| 373 | GtkCellLayoutDataFunc func, | |
| 374 | gpointer func_data, | |
| 375 | GDestroyNotify destroy); | |
| 376 | static void gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout, | |
| 377 | GtkCellRenderer *cell); | |
| 378 | static void gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout, | |
| 379 | GtkCellRenderer *cell, | |
| 380 | gint position); | |
| 381 | static gboolean gtk_combo_box_mnemonic_activate (GtkWidget *widget, | |
| 382 | gboolean group_cycling); | |
| 383 | ||
| 384 | static void cell_view_sync_cells (GtkComboBox *combo_box, | |
| 385 | GtkCellView *cell_view); | |
| 386 | ||
| 387 | #if !GTK_CHECK_VERSION(2,4,0) | |
| 388 | static void gtk_menu_attach (GtkMenu *menu, | |
| 389 | GtkWidget *child, | |
| 390 | guint left_attach, | |
| 391 | guint right_attach, | |
| 392 | guint top_attach, | |
| 393 | guint bottom_attach); | |
| 394 | #endif | |
| 395 | ||
| 396 | GType | |
| 397 | gtk_combo_box_get_type (void) | |
| 398 | { | |
| 399 | static GType combo_box_type = 0; | |
| 400 | ||
| 401 | if (!combo_box_type) | |
| 402 | { | |
| 403 | static const GTypeInfo combo_box_info = | |
| 404 | { | |
| 405 | sizeof (GtkComboBoxClass), | |
| 406 | NULL, /* base_init */ | |
| 407 | NULL, /* base_finalize */ | |
| 408 | (GClassInitFunc) gtk_combo_box_class_init, | |
| 409 | NULL, /* class_finalize */ | |
| 410 | NULL, /* class_data */ | |
| 411 | sizeof (GtkComboBox), | |
| 412 | 0, | |
| 413 | (GInstanceInitFunc) gtk_combo_box_init | |
| 414 | }; | |
| 415 | ||
| 416 | static const GInterfaceInfo cell_layout_info = | |
| 417 | { | |
| 418 | (GInterfaceInitFunc) gtk_combo_box_cell_layout_init, | |
| 419 | NULL, | |
| 420 | NULL | |
| 421 | }; | |
| 422 | ||
| 423 | combo_box_type = g_type_register_static (GTK_TYPE_BIN, | |
| 424 | "GaimGtkComboBox", | |
| 425 | &combo_box_info, | |
| 426 | 0); | |
| 427 | ||
| 428 | g_type_add_interface_static (combo_box_type, | |
| 429 | GTK_TYPE_CELL_LAYOUT, | |
| 430 | &cell_layout_info); | |
| 431 | } | |
| 432 | ||
| 433 | return combo_box_type; | |
| 434 | } | |
| 435 | ||
| 436 | /* common */ | |
| 437 | static void | |
| 438 | gtk_combo_box_class_init (GtkComboBoxClass *klass) | |
| 439 | { | |
| 440 | GObjectClass *object_class; | |
| 441 | GtkBindingSet *binding_set; | |
| 442 | GtkObjectClass *gtk_object_class; | |
| 443 | GtkContainerClass *container_class; | |
| 444 | GtkWidgetClass *widget_class; | |
| 445 | ||
| 446 | binding_set = gtk_binding_set_by_class (klass); | |
| 447 | ||
| 448 | container_class = (GtkContainerClass *)klass; | |
| 449 | container_class->forall = gtk_combo_box_forall; | |
| 450 | container_class->add = gtk_combo_box_add; | |
| 451 | container_class->remove = gtk_combo_box_remove; | |
| 452 | ||
| 453 | widget_class = (GtkWidgetClass *)klass; | |
| 454 | widget_class->size_allocate = gtk_combo_box_size_allocate; | |
| 455 | widget_class->size_request = gtk_combo_box_size_request; | |
| 456 | widget_class->expose_event = gtk_combo_box_expose_event; | |
| 457 | widget_class->scroll_event = gtk_combo_box_scroll_event; | |
| 458 | widget_class->mnemonic_activate = gtk_combo_box_mnemonic_activate; | |
| 459 | widget_class->style_set = gtk_combo_box_style_set; | |
| 460 | widget_class->state_changed = gtk_combo_box_state_changed; | |
| 461 | ||
| 462 | gtk_object_class = (GtkObjectClass *)klass; | |
| 463 | gtk_object_class->destroy = gtk_combo_box_destroy; | |
| 464 | ||
| 465 | object_class = (GObjectClass *)klass; | |
| 466 | object_class->finalize = gtk_combo_box_finalize; | |
| 467 | object_class->set_property = gtk_combo_box_set_property; | |
| 468 | object_class->get_property = gtk_combo_box_get_property; | |
| 469 | ||
| 470 | parent_class = g_type_class_peek_parent (klass); | |
| 471 | ||
| 472 | /* signals */ | |
| 473 | combo_box_signals[CHANGED] = | |
| 474 | g_signal_new ("changed", | |
| 475 | G_OBJECT_CLASS_TYPE (klass), | |
| 476 | G_SIGNAL_RUN_LAST, | |
| 477 | G_STRUCT_OFFSET (GtkComboBoxClass, changed), | |
| 478 | NULL, NULL, | |
| 479 | g_cclosure_marshal_VOID__VOID, | |
| 480 | G_TYPE_NONE, 0); | |
| 481 | ||
| 482 | /* properties */ | |
| 483 | g_object_class_install_property (object_class, | |
| 484 | PROP_MODEL, | |
| 485 | g_param_spec_object ("model", | |
| 486 | _("ComboBox model"), | |
| 487 | _("The model for the combo box"), | |
| 488 | GTK_TYPE_TREE_MODEL, | |
| 489 | G_PARAM_READWRITE)); | |
| 490 | ||
| 491 | g_object_class_install_property (object_class, | |
| 492 | PROP_WRAP_WIDTH, | |
| 493 | g_param_spec_int ("wrap_width", | |
| 494 | _("Wrap width"), | |
| 495 | _("Wrap width for layouting the items in a grid"), | |
| 496 | 0, | |
| 497 | G_MAXINT, | |
| 498 | 0, | |
| 499 | G_PARAM_READWRITE)); | |
| 500 | ||
| 501 | g_object_class_install_property (object_class, | |
| 502 | PROP_ROW_SPAN_COLUMN, | |
| 503 | g_param_spec_int ("row_span_column", | |
| 504 | _("Row span column"), | |
| 505 | _("TreeModel column containing the row span values"), | |
| 506 | 0, | |
| 507 | G_MAXINT, | |
| 508 | 0, | |
| 509 | G_PARAM_READWRITE)); | |
| 510 | ||
| 511 | g_object_class_install_property (object_class, | |
| 512 | PROP_COLUMN_SPAN_COLUMN, | |
| 513 | g_param_spec_int ("column_span_column", | |
| 514 | _("Column span column"), | |
| 515 | ||
| 516 | _("TreeModel column containing the column span values"), | |
| 517 | 0, | |
| 518 | G_MAXINT, | |
| 519 | 0, | |
| 520 | G_PARAM_READWRITE)); | |
| 521 | ||
| 522 | g_object_class_install_property (object_class, | |
| 523 | PROP_ACTIVE, | |
| 524 | g_param_spec_int ("active", | |
| 525 | _("Active item"), | |
| 526 | _("The item which is currently active"), | |
| 527 | -1, | |
| 528 | G_MAXINT, | |
| 529 | -1, | |
| 530 | G_PARAM_READWRITE)); | |
| 531 | ||
| 532 | gtk_widget_class_install_style_property (widget_class, | |
| 533 | g_param_spec_boolean ("appears-as-list", | |
| 534 | _("Appears as list"), | |
| 535 | _("Whether combobox dropdowns should look like lists rather than menus"), | |
| 536 | FALSE, | |
| 537 | G_PARAM_READABLE)); | |
| 538 | } | |
| 539 | ||
| 540 | static void | |
| 541 | gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface) | |
| 542 | { | |
| 543 | iface->pack_start = gtk_combo_box_cell_layout_pack_start; | |
| 544 | iface->pack_end = gtk_combo_box_cell_layout_pack_end; | |
| 545 | iface->clear = gtk_combo_box_cell_layout_clear; | |
| 546 | iface->add_attribute = gtk_combo_box_cell_layout_add_attribute; | |
| 547 | iface->set_cell_data_func = gtk_combo_box_cell_layout_set_cell_data_func; | |
| 548 | iface->clear_attributes = gtk_combo_box_cell_layout_clear_attributes; | |
| 549 | iface->reorder = gtk_combo_box_cell_layout_reorder; | |
| 550 | } | |
| 551 | ||
| 552 | static void | |
| 553 | gtk_combo_box_init (GtkComboBox *combo_box) | |
| 554 | { | |
| 555 | combo_box->priv = g_new0(GtkComboBoxPrivate,1); | |
| 556 | ||
| 557 | combo_box->priv->cell_view = gtk_cell_view_new (); | |
| 558 | gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (combo_box)); | |
| 559 | GTK_BIN (combo_box)->child = combo_box->priv->cell_view; | |
| 560 | gtk_widget_show (combo_box->priv->cell_view); | |
| 561 | ||
| 562 | combo_box->priv->width = 0; | |
| 563 | combo_box->priv->wrap_width = 0; | |
| 564 | ||
| 565 | combo_box->priv->active_item = -1; | |
| 566 | combo_box->priv->col_column = -1; | |
| 567 | combo_box->priv->row_column = -1; | |
| 568 | } | |
| 569 | ||
| 570 | static void | |
| 571 | gtk_combo_box_set_property (GObject *object, | |
| 572 | guint prop_id, | |
| 573 | const GValue *value, | |
| 574 | GParamSpec *pspec) | |
| 575 | { | |
| 576 | GtkComboBox *combo_box = GTK_COMBO_BOX (object); | |
| 577 | ||
| 578 | switch (prop_id) | |
| 579 | { | |
| 580 | case PROP_MODEL: | |
| 581 | gtk_combo_box_set_model (combo_box, g_value_get_object (value)); | |
| 582 | break; | |
| 583 | ||
| 584 | case PROP_WRAP_WIDTH: | |
| 585 | gtk_combo_box_set_wrap_width (combo_box, g_value_get_int (value)); | |
| 586 | break; | |
| 587 | ||
| 588 | case PROP_ROW_SPAN_COLUMN: | |
| 589 | gtk_combo_box_set_row_span_column (combo_box, g_value_get_int (value)); | |
| 590 | break; | |
| 591 | ||
| 592 | case PROP_COLUMN_SPAN_COLUMN: | |
| 593 | gtk_combo_box_set_column_span_column (combo_box, g_value_get_int (value)); | |
| 594 | break; | |
| 595 | ||
| 596 | case PROP_ACTIVE: | |
| 597 | gtk_combo_box_set_active (combo_box, g_value_get_int (value)); | |
| 598 | break; | |
| 599 | ||
| 600 | default: | |
| 601 | break; | |
| 602 | } | |
| 603 | } | |
| 604 | ||
| 605 | static void | |
| 606 | gtk_combo_box_get_property (GObject *object, | |
| 607 | guint prop_id, | |
| 608 | GValue *value, | |
| 609 | GParamSpec *pspec) | |
| 610 | { | |
| 611 | GtkComboBox *combo_box = GTK_COMBO_BOX (object); | |
| 612 | ||
| 613 | switch (prop_id) | |
| 614 | { | |
| 615 | case PROP_MODEL: | |
| 616 | g_value_set_object (value, combo_box->priv->model); | |
| 617 | break; | |
| 618 | ||
| 619 | case PROP_WRAP_WIDTH: | |
| 620 | g_value_set_int (value, combo_box->priv->wrap_width); | |
| 621 | break; | |
| 622 | ||
| 623 | case PROP_ROW_SPAN_COLUMN: | |
| 624 | g_value_set_int (value, combo_box->priv->row_column); | |
| 625 | break; | |
| 626 | ||
| 627 | case PROP_COLUMN_SPAN_COLUMN: | |
| 628 | g_value_set_int (value, combo_box->priv->col_column); | |
| 629 | break; | |
| 630 | ||
| 631 | case PROP_ACTIVE: | |
| 632 | g_value_set_int (value, gtk_combo_box_get_active (combo_box)); | |
| 633 | break; | |
| 634 | ||
| 635 | default: | |
| 636 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | |
| 637 | break; | |
| 638 | } | |
| 639 | } | |
| 640 | ||
| 641 | static void | |
| 642 | gtk_combo_box_state_changed (GtkWidget *widget, | |
| 643 | GtkStateType previous) | |
| 644 | { | |
| 645 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 646 | ||
| 647 | if (GTK_WIDGET_REALIZED (widget)) | |
| 648 | { | |
| 649 | if (combo_box->priv->tree_view && combo_box->priv->cell_view) | |
| 650 | gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 651 | &widget->style->base[GTK_WIDGET_STATE (widget)]); | |
| 652 | } | |
| 653 | ||
| 654 | gtk_widget_queue_draw (widget); | |
| 655 | } | |
| 656 | ||
| 657 | static void | |
| 658 | gtk_combo_box_check_appearance (GtkComboBox *combo_box) | |
| 659 | { | |
| 660 | gboolean appears_as_list; | |
| 661 | ||
| 662 | /* if wrap_width > 0, then we are in grid-mode and forced to use | |
| 663 | * unix style | |
| 664 | */ | |
| 665 | if (combo_box->priv->wrap_width) | |
| 666 | appears_as_list = FALSE; | |
| 667 | else | |
| 668 | gtk_widget_style_get (GTK_WIDGET (combo_box), | |
| 669 | "appears-as-list", &appears_as_list, | |
| 670 | NULL); | |
| 671 | ||
| 672 | if (appears_as_list) | |
| 673 | { | |
| 674 | /* Destroy all the menu mode widgets, if they exist. */ | |
| 675 | if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 676 | gtk_combo_box_menu_destroy (combo_box); | |
| 677 | ||
| 678 | /* Create the list mode widgets, if they don't already exist. */ | |
| 679 | if (!GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) | |
| 680 | gtk_combo_box_list_setup (combo_box); | |
| 681 | } | |
| 682 | else | |
| 683 | { | |
| 684 | /* Destroy all the list mode widgets, if they exist. */ | |
| 685 | if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) | |
| 686 | gtk_combo_box_list_destroy (combo_box); | |
| 687 | ||
| 688 | /* Create the menu mode widgets, if they don't already exist. */ | |
| 689 | if (!GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 690 | gtk_combo_box_menu_setup (combo_box, TRUE); | |
| 691 | } | |
| 692 | } | |
| 693 | ||
| 694 | static void | |
| 695 | gtk_combo_box_style_set (GtkWidget *widget, | |
| 696 | GtkStyle *previous) | |
| 697 | { | |
| 698 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 699 | ||
| 700 | gtk_combo_box_check_appearance (combo_box); | |
| 701 | ||
| 702 | if (combo_box->priv->tree_view && combo_box->priv->cell_view) | |
| 703 | gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 704 | &widget->style->base[GTK_WIDGET_STATE (widget)]); | |
| 705 | } | |
| 706 | ||
| 707 | static void | |
| 708 | gtk_combo_box_button_toggled (GtkWidget *widget, | |
| 709 | gpointer data) | |
| 710 | { | |
| 711 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 712 | ||
| 713 | if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) | |
| 714 | { | |
| 715 | if (!combo_box->priv->popup_in_progress) | |
| 716 | gtk_combo_box_popup (combo_box); | |
| 717 | } | |
| 718 | else | |
| 719 | gtk_combo_box_popdown (combo_box); | |
| 720 | } | |
| 721 | ||
| 722 | static void | |
| 723 | gtk_combo_box_add (GtkContainer *container, | |
| 724 | GtkWidget *widget) | |
| 725 | { | |
| 726 | GtkComboBox *combo_box = GTK_COMBO_BOX (container); | |
| 727 | ||
| 728 | if (combo_box->priv->cell_view && combo_box->priv->cell_view->parent) | |
| 729 | { | |
| 730 | gtk_widget_unparent (combo_box->priv->cell_view); | |
| 731 | GTK_BIN (container)->child = NULL; | |
| 732 | gtk_widget_queue_resize (GTK_WIDGET (container)); | |
| 733 | } | |
| 734 | ||
| 735 | gtk_widget_set_parent (widget, GTK_WIDGET (container)); | |
| 736 | GTK_BIN (container)->child = widget; | |
| 737 | ||
| 738 | if (combo_box->priv->cell_view && | |
| 739 | widget != combo_box->priv->cell_view) | |
| 740 | { | |
| 741 | /* since the cell_view was unparented, it's gone now */ | |
| 742 | combo_box->priv->cell_view = NULL; | |
| 743 | ||
| 744 | if (!combo_box->priv->tree_view && combo_box->priv->separator) | |
| 745 | { | |
| 746 | gtk_container_remove (GTK_CONTAINER (combo_box->priv->separator->parent), | |
| 747 | combo_box->priv->separator); | |
| 748 | combo_box->priv->separator = NULL; | |
| 749 | ||
| 750 | gtk_widget_queue_resize (GTK_WIDGET (container)); | |
| 751 | } | |
| 752 | else if (combo_box->priv->cell_view_frame) | |
| 753 | { | |
| 754 | gtk_widget_unparent (combo_box->priv->cell_view_frame); | |
| 755 | combo_box->priv->cell_view_frame = NULL; | |
| 756 | } | |
| 757 | } | |
| 758 | } | |
| 759 | ||
| 760 | static void | |
| 761 | gtk_combo_box_remove (GtkContainer *container, | |
| 762 | GtkWidget *widget) | |
| 763 | { | |
| 764 | GtkComboBox *combo_box = GTK_COMBO_BOX (container); | |
| 765 | gboolean appears_as_list; | |
| 766 | ||
| 767 | gtk_widget_unparent (widget); | |
| 768 | GTK_BIN (container)->child = NULL; | |
| 769 | ||
| 770 | if (combo_box->priv->destroying) | |
| 771 | return; | |
| 772 | ||
| 773 | gtk_widget_queue_resize (GTK_WIDGET (container)); | |
| 774 | ||
| 775 | if (!combo_box->priv->tree_view) | |
| 776 | appears_as_list = FALSE; | |
| 777 | else | |
| 778 | appears_as_list = TRUE; | |
| 779 | ||
| 780 | if (appears_as_list) | |
| 781 | gtk_combo_box_list_destroy (combo_box); | |
| 782 | else if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 783 | { | |
| 784 | gtk_combo_box_menu_destroy (combo_box); | |
| 785 | gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); | |
| 786 | combo_box->priv->popup_widget = NULL; | |
| 787 | } | |
| 788 | ||
| 789 | if (!combo_box->priv->cell_view) | |
| 790 | { | |
| 791 | combo_box->priv->cell_view = gtk_cell_view_new (); | |
| 792 | gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (container)); | |
| 793 | GTK_BIN (container)->child = combo_box->priv->cell_view; | |
| 794 | ||
| 795 | gtk_widget_show (combo_box->priv->cell_view); | |
| 796 | gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 797 | combo_box->priv->model); | |
| 798 | cell_view_sync_cells (combo_box, GTK_CELL_VIEW (combo_box->priv->cell_view)); | |
| 799 | } | |
| 800 | ||
| 801 | ||
| 802 | if (appears_as_list) | |
| 803 | gtk_combo_box_list_setup (combo_box); | |
| 804 | else | |
| 805 | gtk_combo_box_menu_setup (combo_box, TRUE); | |
| 806 | ||
| 807 | gtk_combo_box_set_active_internal (combo_box, combo_box->priv->active_item); | |
| 808 | } | |
| 809 | ||
| 810 | static ComboCellInfo * | |
| 811 | gtk_combo_box_get_cell_info (GtkComboBox *combo_box, | |
| 812 | GtkCellRenderer *cell) | |
| 813 | { | |
| 814 | GSList *i; | |
| 815 | ||
| 816 | for (i = combo_box->priv->cells; i; i = i->next) | |
| 817 | { | |
| 818 | ComboCellInfo *info = (ComboCellInfo *)i->data; | |
| 819 | ||
| 820 | if (info && info->cell == cell) | |
| 821 | return info; | |
| 822 | } | |
| 823 | ||
| 824 | return NULL; | |
| 825 | } | |
| 826 | ||
| 827 | static void | |
| 828 | gtk_combo_box_menu_show (GtkWidget *menu, | |
| 829 | gpointer user_data) | |
| 830 | { | |
| 831 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 832 | ||
| 833 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), | |
| 834 | TRUE); | |
| 835 | combo_box->priv->popup_in_progress = FALSE; | |
| 836 | } | |
| 837 | ||
| 838 | static void | |
| 839 | gtk_combo_box_menu_hide (GtkWidget *menu, | |
| 840 | gpointer user_data) | |
| 841 | { | |
| 842 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 843 | ||
| 844 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), | |
| 845 | FALSE); | |
| 846 | } | |
| 847 | ||
| 848 | static void | |
| 849 | gtk_combo_box_detacher (GtkWidget *widget, | |
| 850 | GtkMenu *menu) | |
| 851 | { | |
| 852 | GtkComboBox *combo_box; | |
| 853 | ||
| 854 | g_return_if_fail (GTK_IS_COMBO_BOX (widget)); | |
| 855 | ||
| 856 | combo_box = GTK_COMBO_BOX (widget); | |
| 857 | g_return_if_fail (combo_box->priv->popup_widget == (GtkWidget*) menu); | |
| 858 | ||
| 859 | g_signal_handlers_disconnect_by_func (menu, | |
| 860 | gtk_combo_box_menu_show, | |
| 861 | combo_box); | |
| 862 | g_signal_handlers_disconnect_by_func (menu, | |
| 863 | gtk_combo_box_menu_hide, | |
| 864 | combo_box); | |
| 865 | ||
| 866 | combo_box->priv->popup_widget = NULL; | |
| 867 | } | |
| 868 | ||
| 869 | static void | |
| 870 | gtk_combo_box_set_popup_widget (GtkComboBox *combo_box, | |
| 871 | GtkWidget *popup) | |
| 872 | { | |
| 873 | if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 874 | { | |
| 875 | gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); | |
| 876 | combo_box->priv->popup_widget = NULL; | |
| 877 | } | |
| 878 | else if (combo_box->priv->popup_widget) | |
| 879 | { | |
| 880 | gtk_container_remove (GTK_CONTAINER (combo_box->priv->popup_frame), | |
| 881 | combo_box->priv->popup_widget); | |
| 882 | g_object_unref (G_OBJECT (combo_box->priv->popup_widget)); | |
| 883 | combo_box->priv->popup_widget = NULL; | |
| 884 | } | |
| 885 | ||
| 886 | if (GTK_IS_MENU (popup)) | |
| 887 | { | |
| 888 | if (combo_box->priv->popup_window) | |
| 889 | { | |
| 890 | gtk_widget_destroy (combo_box->priv->popup_window); | |
| 891 | combo_box->priv->popup_window = NULL; | |
| 892 | combo_box->priv->popup_frame = NULL; | |
| 893 | } | |
| 894 | ||
| 895 | combo_box->priv->popup_widget = popup; | |
| 896 | ||
| 897 | g_signal_connect (popup, "show", | |
| 898 | G_CALLBACK (gtk_combo_box_menu_show), combo_box); | |
| 899 | g_signal_connect (popup, "hide", | |
| 900 | G_CALLBACK (gtk_combo_box_menu_hide), combo_box); | |
| 901 | ||
| 902 | gtk_menu_attach_to_widget (GTK_MENU (popup), | |
| 903 | GTK_WIDGET (combo_box), | |
| 904 | gtk_combo_box_detacher); | |
| 905 | } | |
| 906 | else | |
| 907 | { | |
| 908 | if (!combo_box->priv->popup_window) | |
| 909 | { | |
| 910 | combo_box->priv->popup_window = gtk_window_new (GTK_WINDOW_POPUP); | |
| 911 | gtk_window_set_resizable (GTK_WINDOW (combo_box->priv->popup_window), FALSE); | |
| 912 | gtk_window_set_screen (GTK_WINDOW (combo_box->priv->popup_window), | |
| 913 | gtk_widget_get_screen (GTK_WIDGET (combo_box))); | |
| 914 | ||
| 915 | combo_box->priv->popup_frame = gtk_frame_new (NULL); | |
| 916 | gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->popup_frame), | |
| 917 | GTK_SHADOW_ETCHED_IN); | |
| 918 | gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_window), | |
| 919 | combo_box->priv->popup_frame); | |
| 920 | ||
| 921 | gtk_widget_show (combo_box->priv->popup_frame); | |
| 922 | } | |
| 923 | ||
| 924 | gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_frame), | |
| 925 | popup); | |
| 926 | gtk_widget_show (popup); | |
| 927 | g_object_ref (G_OBJECT (popup)); | |
| 928 | combo_box->priv->popup_widget = popup; | |
| 929 | } | |
| 930 | } | |
| 931 | ||
| 932 | static void | |
| 933 | gtk_combo_box_menu_position_below (GtkMenu *menu, | |
| 934 | gint *x, | |
| 935 | gint *y, | |
| 936 | gint *push_in, | |
| 937 | gpointer user_data) | |
| 938 | { | |
| 939 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 940 | gint sx, sy; | |
| 941 | GtkWidget *child; | |
| 942 | GtkRequisition req; | |
| 943 | GdkScreen *screen; | |
| 944 | gint monitor_num; | |
| 945 | GdkRectangle monitor; | |
| 946 | ||
| 947 | /* FIXME: is using the size request here broken? */ | |
| 948 | child = GTK_BIN (combo_box)->child; | |
| 949 | ||
| 950 | gdk_window_get_origin (child->window, &sx, &sy); | |
| 951 | ||
| 952 | if (GTK_WIDGET_NO_WINDOW (child)) | |
| 953 | { | |
| 954 | sx += child->allocation.x; | |
| 955 | sy += child->allocation.y; | |
| 956 | } | |
| 957 | ||
| 958 | gtk_widget_size_request (GTK_WIDGET (menu), &req); | |
| 959 | ||
| 960 | if (gtk_widget_get_direction (GTK_WIDGET (combo_box)) == GTK_TEXT_DIR_LTR) | |
| 961 | *x = sx; | |
| 962 | else | |
| 963 | *x = sx + child->allocation.width - req.width; | |
| 964 | *y = sy; | |
| 965 | ||
| 966 | screen = gtk_widget_get_screen (GTK_WIDGET (combo_box)); | |
| 967 | monitor_num = gdk_screen_get_monitor_at_window (screen, | |
| 968 | GTK_WIDGET (combo_box)->window); | |
| 969 | gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); | |
| 970 | ||
| 971 | if (*x < monitor.x) | |
| 972 | *x = monitor.x; | |
| 973 | else if (*x + req.width > monitor.x + monitor.width) | |
| 974 | *x = monitor.x + monitor.width - req.width; | |
| 975 | ||
| 976 | if (monitor.y + monitor.height - *y - child->allocation.height >= req.height) | |
| 977 | *y += child->allocation.height; | |
| 978 | else if (*y - monitor.y >= req.height) | |
| 979 | *y -= req.height; | |
| 980 | else if (monitor.y + monitor.height - *y - child->allocation.height > *y - monitor.y) | |
| 981 | *y += child->allocation.height; | |
| 982 | else | |
| 983 | *y -= req.height; | |
| 984 | ||
| 985 | *push_in = FALSE; | |
| 986 | } | |
| 987 | ||
| 988 | static void | |
| 989 | gtk_combo_box_menu_position_over (GtkMenu *menu, | |
| 990 | gint *x, | |
| 991 | gint *y, | |
| 992 | gboolean *push_in, | |
| 993 | gpointer user_data) | |
| 994 | { | |
| 995 | GtkComboBox *combo_box; | |
| 996 | GtkWidget *active; | |
| 997 | GtkWidget *child; | |
| 998 | GtkWidget *widget; | |
| 999 | GtkRequisition requisition; | |
| 1000 | GList *children; | |
| 1001 | gint screen_width; | |
| 1002 | gint menu_xpos; | |
| 1003 | gint menu_ypos; | |
| 1004 | gint menu_width; | |
| 1005 | ||
| 1006 | g_return_if_fail (GTK_IS_COMBO_BOX (user_data)); | |
| 1007 | ||
| 1008 | combo_box = GTK_COMBO_BOX (user_data); | |
| 1009 | widget = GTK_WIDGET (combo_box); | |
| 1010 | ||
| 1011 | gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition); | |
| 1012 | menu_width = requisition.width; | |
| 1013 | ||
| 1014 | active = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget)); | |
| 1015 | gdk_window_get_origin (widget->window, &menu_xpos, &menu_ypos); | |
| 1016 | ||
| 1017 | menu_xpos += widget->allocation.x; | |
| 1018 | menu_ypos += widget->allocation.y + widget->allocation.height / 2 - 2; | |
| 1019 | ||
| 1020 | if (active != NULL) | |
| 1021 | { | |
| 1022 | gtk_widget_get_child_requisition (active, &requisition); | |
| 1023 | menu_ypos -= requisition.height / 2; | |
| 1024 | } | |
| 1025 | ||
| 1026 | children = GTK_MENU_SHELL (combo_box->priv->popup_widget)->children; | |
| 1027 | while (children) | |
| 1028 | { | |
| 1029 | child = children->data; | |
| 1030 | ||
| 1031 | if (active == child) | |
| 1032 | break; | |
| 1033 | ||
| 1034 | if (GTK_WIDGET_VISIBLE (child)) | |
| 1035 | { | |
| 1036 | gtk_widget_get_child_requisition (child, &requisition); | |
| 1037 | menu_ypos -= requisition.height; | |
| 1038 | } | |
| 1039 | ||
| 1040 | children = children->next; | |
| 1041 | } | |
| 1042 | ||
| 1043 | if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) | |
| 1044 | menu_xpos = menu_xpos + widget->allocation.width - menu_width; | |
| 1045 | ||
| 1046 | /* Clamp the position on screen */ | |
| 1047 | screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget)); | |
| 1048 | ||
| 1049 | if (menu_xpos < 0) | |
| 1050 | menu_xpos = 0; | |
| 1051 | else if ((menu_xpos + menu_width) > screen_width) | |
| 1052 | menu_xpos -= ((menu_xpos + menu_width) - screen_width); | |
| 1053 | ||
| 1054 | *x = menu_xpos; | |
| 1055 | *y = menu_ypos; | |
| 1056 | ||
| 1057 | *push_in = TRUE; | |
| 1058 | } | |
| 1059 | ||
| 1060 | static void | |
| 1061 | gtk_combo_box_menu_position (GtkMenu *menu, | |
| 1062 | gint *x, | |
| 1063 | gint *y, | |
| 1064 | gint *push_in, | |
| 1065 | gpointer user_data) | |
| 1066 | { | |
| 1067 | GtkComboBox *combo_box; | |
| 1068 | GtkWidget *menu_item; | |
| 1069 | ||
| 1070 | combo_box = GTK_COMBO_BOX (user_data); | |
| 1071 | ||
| 1072 | if (combo_box->priv->wrap_width > 0 || combo_box->priv->cell_view == NULL) | |
| 1073 | gtk_combo_box_menu_position_below (menu, x, y, push_in, user_data); | |
| 1074 | else | |
| 1075 | { | |
| 1076 | menu_item = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget)); | |
| 1077 | if (menu_item) | |
| 1078 | gtk_menu_shell_select_item (GTK_MENU_SHELL (combo_box->priv->popup_widget), | |
| 1079 | menu_item); | |
| 1080 | ||
| 1081 | gtk_combo_box_menu_position_over (menu, x, y, push_in, user_data); | |
| 1082 | } | |
| 1083 | ||
| 1084 | } | |
| 1085 | ||
| 1086 | static void | |
| 1087 | gtk_combo_box_list_position (GtkComboBox *combo_box, | |
| 1088 | gint *x, | |
| 1089 | gint *y, | |
| 1090 | gint *width, | |
| 1091 | gint *height) | |
| 1092 | { | |
| 1093 | GtkWidget *sample; | |
| 1094 | GdkScreen *screen; | |
| 1095 | gint monitor_num; | |
| 1096 | GdkRectangle monitor; | |
| 1097 | GtkRequisition popup_req; | |
| 1098 | ||
| 1099 | sample = GTK_BIN (combo_box)->child; | |
| 1100 | ||
| 1101 | *width = sample->allocation.width; | |
| 1102 | gtk_widget_size_request (combo_box->priv->popup_window, &popup_req); | |
| 1103 | *height = popup_req.height; | |
| 1104 | ||
| 1105 | gdk_window_get_origin (sample->window, x, y); | |
| 1106 | ||
| 1107 | if (combo_box->priv->cell_view_frame) | |
| 1108 | { | |
| 1109 | *x -= GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1110 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness; | |
| 1111 | *width += 2 * (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1112 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); | |
| 1113 | } | |
| 1114 | ||
| 1115 | if (GTK_WIDGET_NO_WINDOW (sample)) | |
| 1116 | { | |
| 1117 | *x += sample->allocation.x; | |
| 1118 | *y += sample->allocation.y; | |
| 1119 | } | |
| 1120 | ||
| 1121 | screen = gtk_widget_get_screen (GTK_WIDGET (combo_box)); | |
| 1122 | monitor_num = gdk_screen_get_monitor_at_window (screen, | |
| 1123 | GTK_WIDGET (combo_box)->window); | |
| 1124 | gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); | |
| 1125 | ||
| 1126 | if (*x < monitor.x) | |
| 1127 | *x = monitor.x; | |
| 1128 | else if (*x + *width > monitor.x + monitor.width) | |
| 1129 | *x = monitor.x + monitor.width - *width; | |
| 1130 | ||
| 1131 | if (*y + sample->allocation.height + *height <= monitor.y + monitor.height) | |
| 1132 | *y += sample->allocation.height; | |
| 1133 | else | |
| 1134 | *y -= *height; | |
| 1135 | } | |
| 1136 | ||
| 1137 | /** | |
| 1138 | * gtk_combo_box_popup: | |
| 1139 | * @combo_box: a #GtkComboBox | |
| 1140 | * | |
| 1141 | * Pops up the menu or dropdown list of @combo_box. | |
| 1142 | * | |
| 1143 | * This function is mostly intended for use by accessibility technologies; | |
| 1144 | * applications should have little use for it. | |
| 1145 | * | |
| 1146 | * Since: 2.4 | |
| 1147 | **/ | |
| 1148 | void | |
| 1149 | gtk_combo_box_popup (GtkComboBox *combo_box) | |
| 1150 | { | |
| 1151 | gint x, y, width, height; | |
| 1152 | ||
| 1153 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 1154 | ||
| 1155 | if (GTK_WIDGET_MAPPED (combo_box->priv->popup_widget)) | |
| 1156 | return; | |
| 1157 | ||
| 1158 | if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 1159 | { | |
| 1160 | gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget), | |
| 1161 | combo_box->priv->active_item); | |
| 1162 | ||
| 1163 | if (combo_box->priv->wrap_width == 0) | |
| 1164 | { | |
| 1165 | GtkRequisition requisition; | |
| 1166 | ||
| 1167 | width = GTK_WIDGET (combo_box)->allocation.width; | |
| 1168 | gtk_widget_size_request (combo_box->priv->popup_widget, &requisition); | |
| 1169 | ||
| 1170 | gtk_widget_set_size_request (combo_box->priv->popup_widget, | |
| 1171 | MAX (width, requisition.width), -1); | |
| 1172 | } | |
| 1173 | ||
| 1174 | gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget), | |
| 1175 | NULL, NULL, | |
| 1176 | gtk_combo_box_menu_position, combo_box, | |
| 1177 | 0, 0); | |
| 1178 | return; | |
| 1179 | } | |
| 1180 | ||
| 1181 | gtk_widget_show_all (combo_box->priv->popup_frame); | |
| 1182 | gtk_combo_box_list_position (combo_box, &x, &y, &width, &height); | |
| 1183 | ||
| 1184 | gtk_widget_set_size_request (combo_box->priv->popup_window, width, -1); | |
| 1185 | gtk_window_move (GTK_WINDOW (combo_box->priv->popup_window), x, y); | |
| 1186 | ||
| 1187 | /* popup */ | |
| 1188 | gtk_widget_show (combo_box->priv->popup_window); | |
| 1189 | ||
| 1190 | gtk_widget_grab_focus (combo_box->priv->popup_window); | |
| 1191 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), | |
| 1192 | TRUE); | |
| 1193 | ||
| 1194 | if (!GTK_WIDGET_HAS_FOCUS (combo_box->priv->tree_view)) | |
| 1195 | { | |
| 1196 | gdk_keyboard_grab (combo_box->priv->popup_window->window, | |
| 1197 | FALSE, GDK_CURRENT_TIME); | |
| 1198 | gtk_widget_grab_focus (combo_box->priv->tree_view); | |
| 1199 | } | |
| 1200 | ||
| 1201 | gtk_grab_add (combo_box->priv->popup_window); | |
| 1202 | gdk_pointer_grab (combo_box->priv->popup_window->window, TRUE, | |
| 1203 | GDK_BUTTON_PRESS_MASK | | |
| 1204 | GDK_BUTTON_RELEASE_MASK | | |
| 1205 | GDK_POINTER_MOTION_MASK, | |
| 1206 | NULL, NULL, GDK_CURRENT_TIME); | |
| 1207 | ||
| 1208 | gtk_grab_add (combo_box->priv->tree_view); | |
| 1209 | } | |
| 1210 | ||
| 1211 | /** | |
| 1212 | * gtk_combo_box_popdown: | |
| 1213 | * @combo_box: a #GtkComboBox | |
| 1214 | * | |
| 1215 | * Hides the menu or dropdown list of @combo_box. | |
| 1216 | * | |
| 1217 | * This function is mostly intended for use by accessibility technologies; | |
| 1218 | * applications should have little use for it. | |
| 1219 | * | |
| 1220 | * Since: 2.4 | |
| 1221 | **/ | |
| 1222 | void | |
| 1223 | gtk_combo_box_popdown (GtkComboBox *combo_box) | |
| 1224 | { | |
| 1225 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 1226 | ||
| 1227 | if (!GTK_WIDGET_REALIZED (GTK_WIDGET (combo_box))) | |
| 1228 | return; | |
| 1229 | ||
| 1230 | if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 1231 | { | |
| 1232 | gtk_menu_popdown (GTK_MENU (combo_box->priv->popup_widget)); | |
| 1233 | return; | |
| 1234 | } | |
| 1235 | ||
| 1236 | gtk_combo_box_list_remove_grabs (combo_box); | |
| 1237 | gtk_widget_hide_all (combo_box->priv->popup_window); | |
| 1238 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), | |
| 1239 | FALSE); | |
| 1240 | } | |
| 1241 | ||
| 1242 | static gint | |
| 1243 | gtk_combo_box_calc_requested_width (GtkComboBox *combo_box, | |
| 1244 | GtkTreePath *path) | |
| 1245 | { | |
| 1246 | gint padding; | |
| 1247 | GtkRequisition req; | |
| 1248 | ||
| 1249 | if (combo_box->priv->cell_view) | |
| 1250 | gtk_widget_style_get (combo_box->priv->cell_view, | |
| 1251 | "focus-line-width", &padding, | |
| 1252 | NULL); | |
| 1253 | else | |
| 1254 | padding = 0; | |
| 1255 | ||
| 1256 | /* add some pixels for good measure */ | |
| 1257 | padding += BONUS_PADDING; | |
| 1258 | ||
| 1259 | if (combo_box->priv->cell_view) | |
| 1260 | gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 1261 | path, &req); | |
| 1262 | else | |
| 1263 | req.width = 0; | |
| 1264 | ||
| 1265 | return req.width + padding; | |
| 1266 | } | |
| 1267 | ||
| 1268 | static void | |
| 1269 | gtk_combo_box_remeasure (GtkComboBox *combo_box) | |
| 1270 | { | |
| 1271 | GtkTreeIter iter; | |
| 1272 | GtkTreePath *path; | |
| 1273 | gint padding = 0; | |
| 1274 | ||
| 1275 | if (!combo_box->priv->model || | |
| 1276 | !gtk_tree_model_get_iter_first (combo_box->priv->model, &iter)) | |
| 1277 | return; | |
| 1278 | ||
| 1279 | combo_box->priv->width = 0; | |
| 1280 | ||
| 1281 | path = gtk_tree_path_new_from_indices (0, -1); | |
| 1282 | ||
| 1283 | if (combo_box->priv->cell_view) | |
| 1284 | gtk_widget_style_get (combo_box->priv->cell_view, | |
| 1285 | "focus-line-width", &padding, | |
| 1286 | NULL); | |
| 1287 | else | |
| 1288 | padding = 0; | |
| 1289 | ||
| 1290 | /* add some pixels for good measure */ | |
| 1291 | padding += BONUS_PADDING; | |
| 1292 | ||
| 1293 | do | |
| 1294 | { | |
| 1295 | GtkRequisition req; | |
| 1296 | ||
| 1297 | if (combo_box->priv->cell_view) | |
| 1298 | gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 1299 | path, &req); | |
| 1300 | else | |
| 1301 | req.width = 0; | |
| 1302 | ||
| 1303 | combo_box->priv->width = MAX (combo_box->priv->width, | |
| 1304 | req.width + padding); | |
| 1305 | ||
| 1306 | gtk_tree_path_next (path); | |
| 1307 | } | |
| 1308 | while (gtk_tree_model_iter_next (combo_box->priv->model, &iter)); | |
| 1309 | ||
| 1310 | gtk_tree_path_free (path); | |
| 1311 | } | |
| 1312 | ||
| 1313 | static void | |
| 1314 | gtk_combo_box_size_request (GtkWidget *widget, | |
| 1315 | GtkRequisition *requisition) | |
| 1316 | { | |
| 1317 | gint width, height; | |
| 1318 | GtkRequisition bin_req; | |
| 1319 | ||
| 1320 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 1321 | ||
| 1322 | /* common */ | |
| 1323 | gtk_widget_size_request (GTK_BIN (widget)->child, &bin_req); | |
| 1324 | gtk_combo_box_remeasure (combo_box); | |
| 1325 | bin_req.width = MAX (bin_req.width, combo_box->priv->width); | |
| 1326 | ||
| 1327 | gtk_combo_box_check_appearance (combo_box); | |
| 1328 | ||
| 1329 | if (!combo_box->priv->tree_view) | |
| 1330 | { | |
| 1331 | /* menu mode */ | |
| 1332 | ||
| 1333 | if (combo_box->priv->cell_view) | |
| 1334 | { | |
| 1335 | GtkRequisition button_req, sep_req, arrow_req; | |
| 1336 | gint border_width, xthickness, ythickness; | |
| 1337 | ||
| 1338 | gtk_widget_size_request (combo_box->priv->button, &button_req); | |
| 1339 | border_width = GTK_CONTAINER (combo_box->priv->button)->border_width; | |
| 1340 | xthickness = combo_box->priv->button->style->xthickness; | |
| 1341 | ythickness = combo_box->priv->button->style->ythickness; | |
| 1342 | ||
| 1343 | bin_req.width = MAX (bin_req.width, combo_box->priv->width); | |
| 1344 | ||
| 1345 | gtk_widget_size_request (combo_box->priv->separator, &sep_req); | |
| 1346 | gtk_widget_size_request (combo_box->priv->arrow, &arrow_req); | |
| 1347 | ||
| 1348 | height = MAX (sep_req.height, arrow_req.height); | |
| 1349 | height = MAX (height, bin_req.height); | |
| 1350 | ||
| 1351 | width = bin_req.width + sep_req.width + arrow_req.width; | |
| 1352 | ||
| 1353 | height += border_width + 1 + ythickness * 2 + 4; | |
| 1354 | width += border_width + 1 + xthickness * 2 + 4; | |
| 1355 | ||
| 1356 | requisition->width = width; | |
| 1357 | requisition->height = height; | |
| 1358 | } | |
| 1359 | else | |
| 1360 | { | |
| 1361 | GtkRequisition but_req; | |
| 1362 | ||
| 1363 | gtk_widget_size_request (combo_box->priv->button, &but_req); | |
| 1364 | ||
| 1365 | requisition->width = bin_req.width + but_req.width; | |
| 1366 | requisition->height = MAX (bin_req.height, but_req.height); | |
| 1367 | } | |
| 1368 | } | |
| 1369 | else | |
| 1370 | { | |
| 1371 | /* list mode */ | |
| 1372 | GtkRequisition button_req, frame_req; | |
| 1373 | ||
| 1374 | /* sample + frame */ | |
| 1375 | *requisition = bin_req; | |
| 1376 | ||
| 1377 | if (combo_box->priv->cell_view_frame) | |
| 1378 | { | |
| 1379 | gtk_widget_size_request (combo_box->priv->cell_view_frame, &frame_req); | |
| 1380 | requisition->width += 2 * | |
| 1381 | (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1382 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); | |
| 1383 | requisition->height += 2 * | |
| 1384 | (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1385 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness); | |
| 1386 | } | |
| 1387 | ||
| 1388 | /* the button */ | |
| 1389 | gtk_widget_size_request (combo_box->priv->button, &button_req); | |
| 1390 | ||
| 1391 | requisition->height = MAX (requisition->height, button_req.height); | |
| 1392 | requisition->width += button_req.width; | |
| 1393 | } | |
| 1394 | } | |
| 1395 | ||
| 1396 | static void | |
| 1397 | gtk_combo_box_size_allocate (GtkWidget *widget, | |
| 1398 | GtkAllocation *allocation) | |
| 1399 | { | |
| 1400 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 1401 | GtkAllocation child; | |
| 1402 | GtkRequisition req; | |
| 1403 | gboolean is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; | |
| 1404 | ||
| 1405 | widget->allocation = *allocation; | |
| 1406 | ||
| 1407 | gtk_combo_box_check_appearance (combo_box); | |
| 1408 | ||
| 1409 | if (!combo_box->priv->tree_view) | |
| 1410 | { | |
| 1411 | if (combo_box->priv->cell_view) | |
| 1412 | { | |
| 1413 | gint border_width, xthickness, ythickness; | |
| 1414 | gint width; | |
| 1415 | ||
| 1416 | /* menu mode */ | |
| 1417 | gtk_widget_size_allocate (combo_box->priv->button, allocation); | |
| 1418 | ||
| 1419 | /* set some things ready */ | |
| 1420 | border_width = GTK_CONTAINER (combo_box->priv->button)->border_width; | |
| 1421 | xthickness = combo_box->priv->button->style->xthickness; | |
| 1422 | ythickness = combo_box->priv->button->style->ythickness; | |
| 1423 | ||
| 1424 | child.x = allocation->x + border_width + 1 + xthickness + 2; | |
| 1425 | child.y = allocation->y + border_width + 1 + ythickness + 2; | |
| 1426 | ||
| 1427 | width = MAX(1, allocation->width - (border_width + 1 + xthickness * 2 + 4)); | |
| 1428 | ||
| 1429 | /* handle the children */ | |
| 1430 | gtk_widget_size_request (combo_box->priv->arrow, &req); | |
| 1431 | child.width = req.width; | |
| 1432 | child.height = MAX(1, allocation->height - 2 * (child.y - allocation->y)); | |
| 1433 | if (!is_rtl) | |
| 1434 | child.x += width - req.width; | |
| 1435 | gtk_widget_size_allocate (combo_box->priv->arrow, &child); | |
| 1436 | if (is_rtl) | |
| 1437 | child.x += req.width; | |
| 1438 | gtk_widget_size_request (combo_box->priv->separator, &req); | |
| 1439 | child.width = req.width; | |
| 1440 | if (!is_rtl) | |
| 1441 | child.x -= req.width; | |
| 1442 | gtk_widget_size_allocate (combo_box->priv->separator, &child); | |
| 1443 | ||
| 1444 | if (is_rtl) | |
| 1445 | { | |
| 1446 | child.x += req.width; | |
| 1447 | child.width = MAX(1, allocation->x + allocation->width | |
| 1448 | - (border_width + 1 + xthickness + 2) - child.x); | |
| 1449 | } | |
| 1450 | else | |
| 1451 | { | |
| 1452 | child.width = child.x; | |
| 1453 | child.x = allocation->x + border_width + 1 + xthickness + 2; | |
| 1454 | child.width = MAX(1, child.width - child.x); | |
| 1455 | } | |
| 1456 | ||
| 1457 | gtk_widget_size_allocate (GTK_BIN (widget)->child, &child); | |
| 1458 | } | |
| 1459 | else | |
| 1460 | { | |
| 1461 | gtk_widget_size_request (combo_box->priv->button, &req); | |
| 1462 | if (is_rtl) | |
| 1463 | child.x = allocation->x; | |
| 1464 | else | |
| 1465 | child.x = allocation->x + allocation->width - req.width; | |
| 1466 | child.y = allocation->y; | |
| 1467 | child.width = req.width; | |
| 1468 | child.height = allocation->height; | |
| 1469 | gtk_widget_size_allocate (combo_box->priv->button, &child); | |
| 1470 | ||
| 1471 | if (is_rtl) | |
| 1472 | child.x = allocation->x + req.width; | |
| 1473 | else | |
| 1474 | child.x = allocation->x; | |
| 1475 | child.y = allocation->y; | |
| 1476 | child.width = MAX(1, allocation->width - req.width); | |
| 1477 | gtk_widget_size_allocate (GTK_BIN (widget)->child, &child); | |
| 1478 | } | |
| 1479 | } | |
| 1480 | else | |
| 1481 | { | |
| 1482 | /* list mode */ | |
| 1483 | ||
| 1484 | /* button */ | |
| 1485 | gtk_widget_size_request (combo_box->priv->button, &req); | |
| 1486 | if (is_rtl) | |
| 1487 | child.x = allocation->x; | |
| 1488 | else | |
| 1489 | child.x = allocation->x + allocation->width - req.width; | |
| 1490 | child.y = allocation->y; | |
| 1491 | child.width = req.width; | |
| 1492 | child.height = allocation->height; | |
| 1493 | gtk_widget_size_allocate (combo_box->priv->button, &child); | |
| 1494 | ||
| 1495 | /* frame */ | |
| 1496 | if (is_rtl) | |
| 1497 | child.x = allocation->x + req.width; | |
| 1498 | else | |
| 1499 | child.x = allocation->x; | |
| 1500 | child.y = allocation->y; | |
| 1501 | child.width = MAX (1, allocation->width - req.width); | |
| 1502 | child.height = allocation->height; | |
| 1503 | ||
| 1504 | if (combo_box->priv->cell_view_frame) | |
| 1505 | { | |
| 1506 | gtk_widget_size_allocate (combo_box->priv->cell_view_frame, &child); | |
| 1507 | ||
| 1508 | /* the sample */ | |
| 1509 | child.x += | |
| 1510 | GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1511 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness; | |
| 1512 | child.y += | |
| 1513 | GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1514 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness; | |
| 1515 | child.width -= 2 * ( | |
| 1516 | GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1517 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness); | |
| 1518 | child.width = MAX(1,child.width); | |
| 1519 | child.height -= 2 * ( | |
| 1520 | GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width + | |
| 1521 | GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness); | |
| 1522 | child.height = MAX(1,child.height); | |
| 1523 | } | |
| 1524 | ||
| 1525 | gtk_widget_size_allocate (GTK_BIN (combo_box)->child, &child); | |
| 1526 | } | |
| 1527 | } | |
| 1528 | ||
| 1529 | static void | |
| 1530 | gtk_combo_box_unset_model (GtkComboBox *combo_box) | |
| 1531 | { | |
| 1532 | if (combo_box->priv->model) | |
| 1533 | { | |
| 1534 | g_signal_handler_disconnect (combo_box->priv->model, | |
| 1535 | combo_box->priv->inserted_id); | |
| 1536 | g_signal_handler_disconnect (combo_box->priv->model, | |
| 1537 | combo_box->priv->deleted_id); | |
| 1538 | g_signal_handler_disconnect (combo_box->priv->model, | |
| 1539 | combo_box->priv->reordered_id); | |
| 1540 | g_signal_handler_disconnect (combo_box->priv->model, | |
| 1541 | combo_box->priv->changed_id); | |
| 1542 | } | |
| 1543 | ||
| 1544 | /* menu mode */ | |
| 1545 | if (!combo_box->priv->tree_view) | |
| 1546 | { | |
| 1547 | if (combo_box->priv->popup_widget) | |
| 1548 | gtk_container_foreach (GTK_CONTAINER (combo_box->priv->popup_widget), | |
| 1549 | (GtkCallback)gtk_widget_destroy, NULL); | |
| 1550 | } | |
| 1551 | ||
| 1552 | if (combo_box->priv->model) | |
| 1553 | { | |
| 1554 | g_object_unref (G_OBJECT (combo_box->priv->model)); | |
| 1555 | combo_box->priv->model = NULL; | |
| 1556 | } | |
| 1557 | ||
| 1558 | if (combo_box->priv->cell_view) | |
| 1559 | gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL); | |
| 1560 | } | |
| 1561 | ||
| 1562 | static void | |
| 1563 | gtk_combo_box_forall (GtkContainer *container, | |
| 1564 | gboolean include_internals, | |
| 1565 | GtkCallback callback, | |
| 1566 | gpointer callback_data) | |
| 1567 | { | |
| 1568 | GtkComboBox *combo_box = GTK_COMBO_BOX (container); | |
| 1569 | ||
| 1570 | if (include_internals) | |
| 1571 | { | |
| 1572 | if (combo_box->priv->button) | |
| 1573 | (* callback) (combo_box->priv->button, callback_data); | |
| 1574 | if (combo_box->priv->cell_view_frame) | |
| 1575 | (* callback) (combo_box->priv->cell_view_frame, callback_data); | |
| 1576 | } | |
| 1577 | ||
| 1578 | if (GTK_BIN (container)->child) | |
| 1579 | (* callback) (GTK_BIN (container)->child, callback_data); | |
| 1580 | } | |
| 1581 | ||
| 1582 | static gboolean | |
| 1583 | gtk_combo_box_expose_event (GtkWidget *widget, | |
| 1584 | GdkEventExpose *event) | |
| 1585 | { | |
| 1586 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 1587 | ||
| 1588 | if (!combo_box->priv->tree_view) | |
| 1589 | { | |
| 1590 | gtk_container_propagate_expose (GTK_CONTAINER (widget), | |
| 1591 | combo_box->priv->button, event); | |
| 1592 | } | |
| 1593 | else | |
| 1594 | { | |
| 1595 | gtk_container_propagate_expose (GTK_CONTAINER (widget), | |
| 1596 | combo_box->priv->button, event); | |
| 1597 | ||
| 1598 | if (combo_box->priv->cell_view_frame) | |
| 1599 | gtk_container_propagate_expose (GTK_CONTAINER (widget), | |
| 1600 | combo_box->priv->cell_view_frame, event); | |
| 1601 | } | |
| 1602 | ||
| 1603 | gtk_container_propagate_expose (GTK_CONTAINER (widget), | |
| 1604 | GTK_BIN (widget)->child, event); | |
| 1605 | ||
| 1606 | return FALSE; | |
| 1607 | } | |
| 1608 | ||
| 1609 | static gboolean | |
| 1610 | gtk_combo_box_scroll_event (GtkWidget *widget, | |
| 1611 | GdkEventScroll *event) | |
| 1612 | { | |
| 1613 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 1614 | gint index; | |
| 1615 | gint items; | |
| 1616 | ||
| 1617 | index = gtk_combo_box_get_active (combo_box); | |
| 1618 | ||
| 1619 | if (index != -1) | |
| 1620 | { | |
| 1621 | items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL); | |
| 1622 | ||
| 1623 | if (event->direction == GDK_SCROLL_UP) | |
| 1624 | index--; | |
| 1625 | else | |
| 1626 | index++; | |
| 1627 | ||
| 1628 | gtk_combo_box_set_active (combo_box, CLAMP (index, 0, items - 1)); | |
| 1629 | } | |
| 1630 | ||
| 1631 | return TRUE; | |
| 1632 | } | |
| 1633 | ||
| 1634 | /* | |
| 1635 | * menu style | |
| 1636 | */ | |
| 1637 | ||
| 1638 | static void | |
| 1639 | cell_view_sync_cells (GtkComboBox *combo_box, | |
| 1640 | GtkCellView *cell_view) | |
| 1641 | { | |
| 1642 | GSList *k; | |
| 1643 | ||
| 1644 | for (k = combo_box->priv->cells; k; k = k->next) | |
| 1645 | { | |
| 1646 | GSList *j; | |
| 1647 | ComboCellInfo *info = (ComboCellInfo *)k->data; | |
| 1648 | ||
| 1649 | if (info->pack == GTK_PACK_START) | |
| 1650 | gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cell_view), | |
| 1651 | info->cell, info->expand); | |
| 1652 | else if (info->pack == GTK_PACK_END) | |
| 1653 | gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (cell_view), | |
| 1654 | info->cell, info->expand); | |
| 1655 | ||
| 1656 | gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (cell_view), | |
| 1657 | info->cell, | |
| 1658 | info->func, info->func_data, NULL); | |
| 1659 | ||
| 1660 | for (j = info->attributes; j; j = j->next->next) | |
| 1661 | { | |
| 1662 | gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (cell_view), | |
| 1663 | info->cell, | |
| 1664 | j->data, | |
| 1665 | GPOINTER_TO_INT (j->next->data)); | |
| 1666 | } | |
| 1667 | } | |
| 1668 | } | |
| 1669 | ||
| 1670 | static void | |
| 1671 | gtk_combo_box_menu_setup (GtkComboBox *combo_box, | |
| 1672 | gboolean add_children) | |
| 1673 | { | |
| 1674 | GtkWidget *menu; | |
| 1675 | ||
| 1676 | if (combo_box->priv->cell_view) | |
| 1677 | { | |
| 1678 | combo_box->priv->button = gtk_toggle_button_new (); | |
| 1679 | g_signal_connect (combo_box->priv->button, "toggled", | |
| 1680 | G_CALLBACK (gtk_combo_box_button_toggled), combo_box); | |
| 1681 | g_signal_connect_after (combo_box->priv->button, "key_press_event", | |
| 1682 | G_CALLBACK (gtk_combo_box_key_press), combo_box); | |
| 1683 | gtk_widget_set_parent (combo_box->priv->button, | |
| 1684 | GTK_BIN (combo_box)->child->parent); | |
| 1685 | ||
| 1686 | combo_box->priv->box = gtk_hbox_new (FALSE, 0); | |
| 1687 | gtk_container_add (GTK_CONTAINER (combo_box->priv->button), | |
| 1688 | combo_box->priv->box); | |
| 1689 | ||
| 1690 | combo_box->priv->separator = gtk_vseparator_new (); | |
| 1691 | gtk_container_add (GTK_CONTAINER (combo_box->priv->box), | |
| 1692 | combo_box->priv->separator); | |
| 1693 | ||
| 1694 | combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); | |
| 1695 | gtk_container_add (GTK_CONTAINER (combo_box->priv->box), | |
| 1696 | combo_box->priv->arrow); | |
| 1697 | ||
| 1698 | gtk_widget_show_all (combo_box->priv->button); | |
| 1699 | } | |
| 1700 | else | |
| 1701 | { | |
| 1702 | combo_box->priv->button = gtk_toggle_button_new (); | |
| 1703 | g_signal_connect (combo_box->priv->button, "toggled", | |
| 1704 | G_CALLBACK (gtk_combo_box_button_toggled), combo_box); | |
| 1705 | g_signal_connect_after (combo_box, "key_press_event", | |
| 1706 | G_CALLBACK (gtk_combo_box_key_press), combo_box); | |
| 1707 | gtk_widget_set_parent (combo_box->priv->button, | |
| 1708 | GTK_BIN (combo_box)->child->parent); | |
| 1709 | ||
| 1710 | combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); | |
| 1711 | gtk_container_add (GTK_CONTAINER (combo_box->priv->button), | |
| 1712 | combo_box->priv->arrow); | |
| 1713 | gtk_widget_show_all (combo_box->priv->button); | |
| 1714 | } | |
| 1715 | ||
| 1716 | g_signal_connect (combo_box->priv->button, "button_press_event", | |
| 1717 | G_CALLBACK (gtk_combo_box_menu_button_press), | |
| 1718 | combo_box); | |
| 1719 | ||
| 1720 | /* create our funky menu */ | |
| 1721 | menu = gtk_menu_new (); | |
| 1722 | g_signal_connect (menu, "key_press_event", | |
| 1723 | G_CALLBACK (gtk_combo_box_menu_key_press), combo_box); | |
| 1724 | gtk_combo_box_set_popup_widget (combo_box, menu); | |
| 1725 | ||
| 1726 | /* add items */ | |
| 1727 | if (add_children) | |
| 1728 | gtk_combo_box_menu_fill (combo_box); | |
| 1729 | ||
| 1730 | } | |
| 1731 | ||
| 1732 | static void | |
| 1733 | gtk_combo_box_menu_fill (GtkComboBox *combo_box) | |
| 1734 | { | |
| 1735 | gint i, items; | |
| 1736 | GtkWidget *menu; | |
| 1737 | GtkWidget *tmp; | |
| 1738 | ||
| 1739 | if (!combo_box->priv->model) | |
| 1740 | return; | |
| 1741 | ||
| 1742 | items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL); | |
| 1743 | menu = combo_box->priv->popup_widget; | |
| 1744 | ||
| 1745 | for (i = 0; i < items; i++) | |
| 1746 | { | |
| 1747 | GtkTreePath *path; | |
| 1748 | ||
| 1749 | path = gtk_tree_path_new_from_indices (i, -1); | |
| 1750 | tmp = gtk_cell_view_menu_item_new_from_model (combo_box->priv->model, | |
| 1751 | path); | |
| 1752 | g_signal_connect (tmp, "activate", | |
| 1753 | G_CALLBACK (gtk_combo_box_menu_item_activate), | |
| 1754 | combo_box); | |
| 1755 | ||
| 1756 | cell_view_sync_cells (combo_box, | |
| 1757 | GTK_CELL_VIEW (GTK_BIN (tmp)->child)); | |
| 1758 | ||
| 1759 | gtk_menu_shell_append (GTK_MENU_SHELL (menu), tmp); | |
| 1760 | ||
| 1761 | if (combo_box->priv->wrap_width) | |
| 1762 | gtk_combo_box_relayout_item (combo_box, i); | |
| 1763 | ||
| 1764 | gtk_widget_show (tmp); | |
| 1765 | ||
| 1766 | gtk_tree_path_free (path); | |
| 1767 | } | |
| 1768 | } | |
| 1769 | ||
| 1770 | static void | |
| 1771 | gtk_combo_box_menu_destroy (GtkComboBox *combo_box) | |
| 1772 | { | |
| 1773 | g_signal_handlers_disconnect_matched (combo_box->priv->button, | |
| 1774 | G_SIGNAL_MATCH_DATA, | |
| 1775 | 0, 0, NULL, | |
| 1776 | gtk_combo_box_menu_button_press, NULL); | |
| 1777 | ||
| 1778 | /* unparent will remove our latest ref */ | |
| 1779 | gtk_widget_unparent (combo_box->priv->button); | |
| 1780 | ||
| 1781 | combo_box->priv->box = NULL; | |
| 1782 | combo_box->priv->button = NULL; | |
| 1783 | combo_box->priv->arrow = NULL; | |
| 1784 | combo_box->priv->separator = NULL; | |
| 1785 | ||
| 1786 | /* changing the popup window will unref the menu and the children */ | |
| 1787 | } | |
| 1788 | ||
| 1789 | /* | |
| 1790 | * grid | |
| 1791 | */ | |
| 1792 | ||
| 1793 | static void | |
| 1794 | gtk_combo_box_item_get_size (GtkComboBox *combo_box, | |
| 1795 | gint index_, | |
| 1796 | gint *cols, | |
| 1797 | gint *rows) | |
| 1798 | { | |
| 1799 | GtkTreeIter iter; | |
| 1800 | ||
| 1801 | gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter, NULL, index_); | |
| 1802 | ||
| 1803 | if (cols) | |
| 1804 | { | |
| 1805 | if (combo_box->priv->col_column == -1) | |
| 1806 | *cols = 1; | |
| 1807 | else | |
| 1808 | gtk_tree_model_get (combo_box->priv->model, &iter, | |
| 1809 | combo_box->priv->col_column, cols, | |
| 1810 | -1); | |
| 1811 | } | |
| 1812 | ||
| 1813 | if (rows) | |
| 1814 | { | |
| 1815 | if (combo_box->priv->row_column == -1) | |
| 1816 | *rows = 1; | |
| 1817 | else | |
| 1818 | gtk_tree_model_get (combo_box->priv->model, &iter, | |
| 1819 | combo_box->priv->row_column, rows, | |
| 1820 | -1); | |
| 1821 | } | |
| 1822 | } | |
| 1823 | ||
| 1824 | static gboolean | |
| 1825 | menu_occupied (GtkMenu *menu, | |
| 1826 | guint left_attach, | |
| 1827 | guint right_attach, | |
| 1828 | guint top_attach, | |
| 1829 | guint bottom_attach) | |
| 1830 | { | |
| 1831 | GList *i; | |
| 1832 | ||
| 1833 | g_return_val_if_fail (GTK_IS_MENU (menu), TRUE); | |
| 1834 | g_return_val_if_fail (left_attach < right_attach, TRUE); | |
| 1835 | g_return_val_if_fail (top_attach < bottom_attach, TRUE); | |
| 1836 | ||
| 1837 | for (i = GTK_MENU_SHELL (menu)->children; i; i = i->next) | |
| 1838 | { | |
| 1839 | guint l, r, b, t; | |
| 1840 | gboolean h_intersect = FALSE; | |
| 1841 | gboolean v_intersect = FALSE; | |
| 1842 | ||
| 1843 | gtk_container_child_get (GTK_CONTAINER (menu), i->data, | |
| 1844 | "left_attach", &l, | |
| 1845 | "right_attach", &r, | |
| 1846 | "bottom_attach", &b, | |
| 1847 | "top_attach", &t, | |
| 1848 | NULL); | |
| 1849 | ||
| 1850 | /* look if this item intersects with the given coordinates */ | |
| 1851 | h_intersect = left_attach <= l && l <= right_attach; | |
| 1852 | h_intersect &= left_attach <= r && r <= right_attach; | |
| 1853 | ||
| 1854 | v_intersect = top_attach <= t && t <= bottom_attach; | |
| 1855 | v_intersect &= top_attach <= b && b <= bottom_attach; | |
| 1856 | ||
| 1857 | if (h_intersect && v_intersect) | |
| 1858 | return TRUE; | |
| 1859 | } | |
| 1860 | ||
| 1861 | return FALSE; | |
| 1862 | } | |
| 1863 | ||
| 1864 | static void | |
| 1865 | gtk_combo_box_relayout_item (GtkComboBox *combo_box, | |
| 1866 | gint index) | |
| 1867 | { | |
| 1868 | gint current_col = 0, current_row = 0; | |
| 1869 | gint rows, cols; | |
| 1870 | GList *list, *nth; | |
| 1871 | GtkWidget *item, *last; | |
| 1872 | GtkWidget *menu; | |
| 1873 | ||
| 1874 | menu = combo_box->priv->popup_widget; | |
| 1875 | if (!GTK_IS_MENU_SHELL (menu)) | |
| 1876 | return; | |
| 1877 | ||
| 1878 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 1879 | nth = g_list_nth (list, index); | |
| 1880 | item = nth->data; | |
| 1881 | if (nth->prev) | |
| 1882 | last = nth->prev->data; | |
| 1883 | else | |
| 1884 | last = NULL; | |
| 1885 | g_list_free (list); | |
| 1886 | ||
| 1887 | gtk_combo_box_item_get_size (combo_box, index, &cols, &rows); | |
| 1888 | ||
| 1889 | if (combo_box->priv->col_column == -1 && | |
| 1890 | combo_box->priv->row_column == -1 && | |
| 1891 | last) | |
| 1892 | { | |
| 1893 | gtk_container_child_get (GTK_CONTAINER (menu), | |
| 1894 | last, | |
| 1895 | "right_attach", ¤t_col, | |
| 1896 | "top_attach", ¤t_row, | |
| 1897 | NULL); | |
| 1898 | if (current_col + cols > combo_box->priv->wrap_width) | |
| 1899 | { | |
| 1900 | current_col = 0; | |
| 1901 | current_row++; | |
| 1902 | } | |
| 1903 | } | |
| 1904 | else | |
| 1905 | { | |
| 1906 | /* look for a good spot */ | |
| 1907 | while (1) | |
| 1908 | { | |
| 1909 | if (current_col + cols > combo_box->priv->wrap_width) | |
| 1910 | { | |
| 1911 | current_col = 0; | |
| 1912 | current_row++; | |
| 1913 | } | |
| 1914 | ||
| 1915 | if (!menu_occupied (GTK_MENU (menu), | |
| 1916 | current_col, current_col + cols, | |
| 1917 | current_row, current_row + rows)) | |
| 1918 | break; | |
| 1919 | ||
| 1920 | current_col++; | |
| 1921 | } | |
| 1922 | } | |
| 1923 | ||
| 1924 | /* set attach props */ | |
| 1925 | gtk_menu_attach (GTK_MENU (menu), item, | |
| 1926 | current_col, current_col + cols, | |
| 1927 | current_row, current_row + rows); | |
| 1928 | } | |
| 1929 | ||
| 1930 | static void | |
| 1931 | gtk_combo_box_relayout (GtkComboBox *combo_box) | |
| 1932 | { | |
| 1933 | GList *list, *j; | |
| 1934 | GtkWidget *menu; | |
| 1935 | ||
| 1936 | menu = combo_box->priv->popup_widget; | |
| 1937 | ||
| 1938 | /* do nothing unless we are in menu style and realized */ | |
| 1939 | if (combo_box->priv->tree_view || !GTK_IS_MENU_SHELL (menu)) | |
| 1940 | return; | |
| 1941 | ||
| 1942 | /* get rid of all children */ | |
| 1943 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 1944 | ||
| 1945 | for (j = g_list_last (list); j; j = j->prev) | |
| 1946 | gtk_container_remove (GTK_CONTAINER (menu), j->data); | |
| 1947 | ||
| 1948 | g_list_free (list); | |
| 1949 | ||
| 1950 | /* and relayout */ | |
| 1951 | gtk_combo_box_menu_fill (combo_box); | |
| 1952 | } | |
| 1953 | ||
| 1954 | /* callbacks */ | |
| 1955 | static gboolean | |
| 1956 | gtk_combo_box_menu_button_press (GtkWidget *widget, | |
| 1957 | GdkEventButton *event, | |
| 1958 | gpointer user_data) | |
| 1959 | { | |
| 1960 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 1961 | ||
| 1962 | if (! GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 1963 | return FALSE; | |
| 1964 | ||
| 1965 | if (event->type == GDK_BUTTON_PRESS && event->button == 1) | |
| 1966 | { | |
| 1967 | combo_box->priv->popup_in_progress = TRUE; | |
| 1968 | ||
| 1969 | gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget), | |
| 1970 | combo_box->priv->active_item); | |
| 1971 | ||
| 1972 | if (combo_box->priv->wrap_width == 0) | |
| 1973 | { | |
| 1974 | GtkRequisition requisition; | |
| 1975 | gint width; | |
| 1976 | ||
| 1977 | width = GTK_WIDGET (combo_box)->allocation.width; | |
| 1978 | gtk_widget_size_request (combo_box->priv->popup_widget, &requisition); | |
| 1979 | ||
| 1980 | gtk_widget_set_size_request (combo_box->priv->popup_widget, | |
| 1981 | MAX (width, requisition.width), -1); | |
| 1982 | } | |
| 1983 | ||
| 1984 | gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget), | |
| 1985 | NULL, NULL, | |
| 1986 | gtk_combo_box_menu_position, combo_box, | |
| 1987 | event->button, event->time); | |
| 1988 | ||
| 1989 | return TRUE; | |
| 1990 | } | |
| 1991 | ||
| 1992 | return FALSE; | |
| 1993 | } | |
| 1994 | ||
| 1995 | static void | |
| 1996 | gtk_combo_box_menu_item_activate (GtkWidget *item, | |
| 1997 | gpointer user_data) | |
| 1998 | { | |
| 1999 | gint index; | |
| 2000 | GtkWidget *menu; | |
| 2001 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2002 | ||
| 2003 | menu = combo_box->priv->popup_widget; | |
| 2004 | g_return_if_fail (GTK_IS_MENU (menu)); | |
| 2005 | ||
| 2006 | index = g_list_index (GTK_MENU_SHELL (menu)->children, item); | |
| 2007 | ||
| 2008 | gtk_combo_box_set_active (combo_box, index); | |
| 2009 | } | |
| 2010 | ||
| 2011 | static void | |
| 2012 | gtk_combo_box_model_row_inserted (GtkTreeModel *model, | |
| 2013 | GtkTreePath *path, | |
| 2014 | GtkTreeIter *iter, | |
| 2015 | gpointer user_data) | |
| 2016 | { | |
| 2017 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2018 | gint index = gtk_tree_path_get_indices (path)[0]; | |
| 2019 | ||
| 2020 | if (combo_box->priv->active_item >= index) | |
| 2021 | combo_box->priv->active_item++; | |
| 2022 | ||
| 2023 | if (!combo_box->priv->tree_view) | |
| 2024 | gtk_combo_box_menu_row_inserted (model, path, iter, user_data); | |
| 2025 | } | |
| 2026 | ||
| 2027 | static void | |
| 2028 | gtk_combo_box_model_row_deleted (GtkTreeModel *model, | |
| 2029 | GtkTreePath *path, | |
| 2030 | gpointer user_data) | |
| 2031 | { | |
| 2032 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2033 | gint index = gtk_tree_path_get_indices (path)[0]; | |
| 2034 | ||
| 2035 | if (!combo_box->priv->tree_view) | |
| 2036 | gtk_combo_box_menu_row_deleted (model, path, user_data); | |
| 2037 | ||
| 2038 | if (index == combo_box->priv->active_item) | |
| 2039 | { | |
| 2040 | gint items = gtk_tree_model_iter_n_children (model, NULL); | |
| 2041 | ||
| 2042 | if (items == 0) | |
| 2043 | gtk_combo_box_set_active_internal (combo_box, -1); | |
| 2044 | else if (index == items) | |
| 2045 | gtk_combo_box_set_active_internal (combo_box, index - 1); | |
| 2046 | else | |
| 2047 | gtk_combo_box_set_active_internal (combo_box, index); | |
| 2048 | } | |
| 2049 | else if (combo_box->priv->active_item > index) | |
| 2050 | combo_box->priv->active_item--; | |
| 2051 | } | |
| 2052 | ||
| 2053 | static void | |
| 2054 | gtk_combo_box_model_rows_reordered (GtkTreeModel *model, | |
| 2055 | GtkTreePath *path, | |
| 2056 | GtkTreeIter *iter, | |
| 2057 | gint *new_order, | |
| 2058 | gpointer user_data) | |
| 2059 | { | |
| 2060 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2061 | gint items = gtk_tree_model_iter_n_children (model, NULL); | |
| 2062 | gint i; | |
| 2063 | ||
| 2064 | for (i = 0; i < items; i++) | |
| 2065 | if (new_order[i] == combo_box->priv->active_item) | |
| 2066 | { | |
| 2067 | combo_box->priv->active_item = i; | |
| 2068 | break; | |
| 2069 | } | |
| 2070 | ||
| 2071 | if (!combo_box->priv->tree_view) | |
| 2072 | gtk_combo_box_menu_rows_reordered (model, path, iter, new_order, user_data); | |
| 2073 | } | |
| 2074 | ||
| 2075 | static void | |
| 2076 | gtk_combo_box_model_row_changed (GtkTreeModel *model, | |
| 2077 | GtkTreePath *path, | |
| 2078 | GtkTreeIter *iter, | |
| 2079 | gpointer user_data) | |
| 2080 | { | |
| 2081 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2082 | gint index = gtk_tree_path_get_indices (path)[0]; | |
| 2083 | ||
| 2084 | if (index == combo_box->priv->active_item && | |
| 2085 | combo_box->priv->cell_view) | |
| 2086 | gtk_widget_queue_resize (GTK_WIDGET (combo_box->priv->cell_view)); | |
| 2087 | ||
| 2088 | if (combo_box->priv->tree_view) | |
| 2089 | gtk_combo_box_list_row_changed (model, path, iter, user_data); | |
| 2090 | else | |
| 2091 | gtk_combo_box_menu_row_changed (model, path, iter, user_data); | |
| 2092 | } | |
| 2093 | ||
| 2094 | ||
| 2095 | static void | |
| 2096 | gtk_combo_box_menu_row_inserted (GtkTreeModel *model, | |
| 2097 | GtkTreePath *path, | |
| 2098 | GtkTreeIter *iter, | |
| 2099 | gpointer user_data) | |
| 2100 | { | |
| 2101 | GtkWidget *menu; | |
| 2102 | GtkWidget *item; | |
| 2103 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2104 | ||
| 2105 | if (!combo_box->priv->popup_widget) | |
| 2106 | return; | |
| 2107 | ||
| 2108 | menu = combo_box->priv->popup_widget; | |
| 2109 | g_return_if_fail (GTK_IS_MENU (menu)); | |
| 2110 | ||
| 2111 | item = gtk_cell_view_menu_item_new_from_model (model, path); | |
| 2112 | g_signal_connect (item, "activate", | |
| 2113 | G_CALLBACK (gtk_combo_box_menu_item_activate), | |
| 2114 | combo_box); | |
| 2115 | ||
| 2116 | cell_view_sync_cells (combo_box, GTK_CELL_VIEW (GTK_BIN (item)->child)); | |
| 2117 | ||
| 2118 | gtk_menu_shell_insert (GTK_MENU_SHELL (menu), item, | |
| 2119 | gtk_tree_path_get_indices (path)[0]); | |
| 2120 | gtk_widget_show (item); | |
| 2121 | } | |
| 2122 | ||
| 2123 | static void | |
| 2124 | gtk_combo_box_menu_row_deleted (GtkTreeModel *model, | |
| 2125 | GtkTreePath *path, | |
| 2126 | gpointer user_data) | |
| 2127 | { | |
| 2128 | gint index; | |
| 2129 | GtkWidget *menu; | |
| 2130 | GtkWidget *item; | |
| 2131 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2132 | ||
| 2133 | if (!combo_box->priv->popup_widget) | |
| 2134 | return; | |
| 2135 | ||
| 2136 | index = gtk_tree_path_get_indices (path)[0]; | |
| 2137 | ||
| 2138 | menu = combo_box->priv->popup_widget; | |
| 2139 | g_return_if_fail (GTK_IS_MENU (menu)); | |
| 2140 | ||
| 2141 | item = g_list_nth_data (GTK_MENU_SHELL (menu)->children, index); | |
| 2142 | g_return_if_fail (GTK_IS_MENU_ITEM (item)); | |
| 2143 | ||
| 2144 | gtk_container_remove (GTK_CONTAINER (menu), item); | |
| 2145 | } | |
| 2146 | ||
| 2147 | static void | |
| 2148 | gtk_combo_box_menu_rows_reordered (GtkTreeModel *model, | |
| 2149 | GtkTreePath *path, | |
| 2150 | GtkTreeIter *iter, | |
| 2151 | gint *new_order, | |
| 2152 | gpointer user_data) | |
| 2153 | { | |
| 2154 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2155 | ||
| 2156 | gtk_combo_box_relayout (combo_box); | |
| 2157 | } | |
| 2158 | ||
| 2159 | static void | |
| 2160 | gtk_combo_box_menu_row_changed (GtkTreeModel *model, | |
| 2161 | GtkTreePath *path, | |
| 2162 | GtkTreeIter *iter, | |
| 2163 | gpointer user_data) | |
| 2164 | { | |
| 2165 | GtkComboBox *combo_box = GTK_COMBO_BOX (user_data); | |
| 2166 | gint width; | |
| 2167 | ||
| 2168 | if (!combo_box->priv->popup_widget) | |
| 2169 | return; | |
| 2170 | ||
| 2171 | if (combo_box->priv->wrap_width) | |
| 2172 | gtk_combo_box_relayout_item (combo_box, | |
| 2173 | gtk_tree_path_get_indices (path)[0]); | |
| 2174 | ||
| 2175 | width = gtk_combo_box_calc_requested_width (combo_box, path); | |
| 2176 | ||
| 2177 | if (width > combo_box->priv->width) | |
| 2178 | { | |
| 2179 | if (combo_box->priv->cell_view) | |
| 2180 | { | |
| 2181 | gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1); | |
| 2182 | gtk_widget_queue_resize (combo_box->priv->cell_view); | |
| 2183 | } | |
| 2184 | combo_box->priv->width = width; | |
| 2185 | } | |
| 2186 | } | |
| 2187 | ||
| 2188 | /* | |
| 2189 | * list style | |
| 2190 | */ | |
| 2191 | ||
| 2192 | static void | |
| 2193 | gtk_combo_box_list_setup (GtkComboBox *combo_box) | |
| 2194 | { | |
| 2195 | GSList *i; | |
| 2196 | GtkTreeSelection *sel; | |
| 2197 | ||
| 2198 | combo_box->priv->button = gtk_toggle_button_new (); | |
| 2199 | gtk_widget_set_parent (combo_box->priv->button, | |
| 2200 | GTK_BIN (combo_box)->child->parent); | |
| 2201 | g_signal_connect (combo_box->priv->button, "button_press_event", | |
| 2202 | G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box); | |
| 2203 | g_signal_connect (combo_box->priv->button, "toggled", | |
| 2204 | G_CALLBACK (gtk_combo_box_button_toggled), combo_box); | |
| 2205 | g_signal_connect_after (combo_box, "key_press_event", | |
| 2206 | G_CALLBACK (gtk_combo_box_key_press), combo_box); | |
| 2207 | ||
| 2208 | combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); | |
| 2209 | gtk_container_add (GTK_CONTAINER (combo_box->priv->button), | |
| 2210 | combo_box->priv->arrow); | |
| 2211 | combo_box->priv->separator = NULL; | |
| 2212 | gtk_widget_show_all (combo_box->priv->button); | |
| 2213 | ||
| 2214 | if (combo_box->priv->cell_view) | |
| 2215 | { | |
| 2216 | combo_box->priv->cell_view_frame = gtk_frame_new (NULL); | |
| 2217 | gtk_widget_set_parent (combo_box->priv->cell_view_frame, | |
| 2218 | GTK_BIN (combo_box)->child->parent); | |
| 2219 | gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->cell_view_frame), | |
| 2220 | GTK_SHADOW_IN); | |
| 2221 | ||
| 2222 | gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 2223 | >K_WIDGET (combo_box)->style->base[GTK_WIDGET_STATE (combo_box)]); | |
| 2224 | ||
| 2225 | combo_box->priv->box = gtk_event_box_new (); | |
| 2226 | /* | |
| 2227 | gtk_event_box_set_visible_window (GTK_EVENT_BOX (combo_box->priv->box), | |
| 2228 | FALSE); | |
| 2229 | */ | |
| 2230 | ||
| 2231 | gtk_container_add (GTK_CONTAINER (combo_box->priv->cell_view_frame), | |
| 2232 | combo_box->priv->box); | |
| 2233 | ||
| 2234 | gtk_widget_show_all (combo_box->priv->cell_view_frame); | |
| 2235 | ||
| 2236 | g_signal_connect (combo_box->priv->box, "button_press_event", | |
| 2237 | G_CALLBACK (gtk_combo_box_list_button_pressed), | |
| 2238 | combo_box); | |
| 2239 | } | |
| 2240 | ||
| 2241 | combo_box->priv->tree_view = gtk_tree_view_new (); | |
| 2242 | sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)); | |
| 2243 | gtk_tree_selection_set_mode (sel, GTK_SELECTION_BROWSE); | |
| 2244 | gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 2245 | FALSE); | |
| 2246 | /* | |
| 2247 | _gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 2248 | TRUE); | |
| 2249 | */ | |
| 2250 | if (combo_box->priv->model) | |
| 2251 | gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 2252 | combo_box->priv->model); | |
| 2253 | ||
| 2254 | g_signal_connect (combo_box->priv->tree_view, "button_press_event", | |
| 2255 | G_CALLBACK (gtk_combo_box_list_button_pressed), | |
| 2256 | combo_box); | |
| 2257 | g_signal_connect (combo_box->priv->tree_view, "button_release_event", | |
| 2258 | G_CALLBACK (gtk_combo_box_list_button_released), | |
| 2259 | combo_box); | |
| 2260 | g_signal_connect (combo_box->priv->tree_view, "key_press_event", | |
| 2261 | G_CALLBACK (gtk_combo_box_list_key_press), | |
| 2262 | combo_box); | |
| 2263 | ||
| 2264 | combo_box->priv->column = gtk_tree_view_column_new (); | |
| 2265 | gtk_tree_view_append_column (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 2266 | combo_box->priv->column); | |
| 2267 | ||
| 2268 | /* sync up */ | |
| 2269 | for (i = combo_box->priv->cells; i; i = i->next) | |
| 2270 | { | |
| 2271 | GSList *j; | |
| 2272 | ComboCellInfo *info = (ComboCellInfo *)i->data; | |
| 2273 | ||
| 2274 | if (info->pack == GTK_PACK_START) | |
| 2275 | gtk_tree_view_column_pack_start (combo_box->priv->column, | |
| 2276 | info->cell, info->expand); | |
| 2277 | else if (info->pack == GTK_PACK_END) | |
| 2278 | gtk_tree_view_column_pack_end (combo_box->priv->column, | |
| 2279 | info->cell, info->expand); | |
| 2280 | ||
| 2281 | for (j = info->attributes; j; j = j->next->next) | |
| 2282 | { | |
| 2283 | gtk_tree_view_column_add_attribute (combo_box->priv->column, | |
| 2284 | info->cell, | |
| 2285 | j->data, | |
| 2286 | GPOINTER_TO_INT (j->next->data)); | |
| 2287 | } | |
| 2288 | } | |
| 2289 | ||
| 2290 | if (combo_box->priv->active_item != -1) | |
| 2291 | { | |
| 2292 | GtkTreePath *path; | |
| 2293 | ||
| 2294 | path = gtk_tree_path_new_from_indices (combo_box->priv->active_item, -1); | |
| 2295 | if (path) | |
| 2296 | { | |
| 2297 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 2298 | path, NULL, FALSE); | |
| 2299 | gtk_tree_path_free (path); | |
| 2300 | } | |
| 2301 | } | |
| 2302 | ||
| 2303 | /* set sample/popup widgets */ | |
| 2304 | gtk_combo_box_set_popup_widget (combo_box, combo_box->priv->tree_view); | |
| 2305 | ||
| 2306 | gtk_widget_show (combo_box->priv->tree_view); | |
| 2307 | } | |
| 2308 | ||
| 2309 | static void | |
| 2310 | gtk_combo_box_list_destroy (GtkComboBox *combo_box) | |
| 2311 | { | |
| 2312 | /* disconnect signals */ | |
| 2313 | g_signal_handlers_disconnect_matched (combo_box->priv->tree_view, | |
| 2314 | G_SIGNAL_MATCH_DATA, | |
| 2315 | 0, 0, NULL, NULL, combo_box); | |
| 2316 | g_signal_handlers_disconnect_matched (combo_box->priv->button, | |
| 2317 | G_SIGNAL_MATCH_DATA, | |
| 2318 | 0, 0, NULL, | |
| 2319 | gtk_combo_box_list_button_pressed, | |
| 2320 | NULL); | |
| 2321 | if (combo_box->priv->box) | |
| 2322 | g_signal_handlers_disconnect_matched (combo_box->priv->box, | |
| 2323 | G_SIGNAL_MATCH_DATA, | |
| 2324 | 0, 0, NULL, | |
| 2325 | gtk_combo_box_list_button_pressed, | |
| 2326 | NULL); | |
| 2327 | ||
| 2328 | /* destroy things (unparent will kill the latest ref from us) | |
| 2329 | * last unref on button will destroy the arrow | |
| 2330 | */ | |
| 2331 | gtk_widget_unparent (combo_box->priv->button); | |
| 2332 | combo_box->priv->button = NULL; | |
| 2333 | combo_box->priv->arrow = NULL; | |
| 2334 | ||
| 2335 | if (combo_box->priv->cell_view) | |
| 2336 | { | |
| 2337 | g_object_set (G_OBJECT (combo_box->priv->cell_view), | |
| 2338 | "background_set", FALSE, | |
| 2339 | NULL); | |
| 2340 | } | |
| 2341 | ||
| 2342 | if (combo_box->priv->cell_view_frame) | |
| 2343 | { | |
| 2344 | gtk_widget_unparent (combo_box->priv->cell_view_frame); | |
| 2345 | combo_box->priv->cell_view_frame = NULL; | |
| 2346 | combo_box->priv->box = NULL; | |
| 2347 | } | |
| 2348 | ||
| 2349 | gtk_widget_destroy (combo_box->priv->tree_view); | |
| 2350 | ||
| 2351 | combo_box->priv->tree_view = NULL; | |
| 2352 | combo_box->priv->popup_widget = NULL; | |
| 2353 | } | |
| 2354 | ||
| 2355 | /* callbacks */ | |
| 2356 | static void | |
| 2357 | gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box) | |
| 2358 | { | |
| 2359 | if (combo_box->priv->tree_view && | |
| 2360 | GTK_WIDGET_HAS_GRAB (combo_box->priv->tree_view)) | |
| 2361 | { | |
| 2362 | gtk_grab_remove (combo_box->priv->tree_view); | |
| 2363 | } | |
| 2364 | ||
| 2365 | if (combo_box->priv->popup_window && | |
| 2366 | GTK_WIDGET_HAS_GRAB (combo_box->priv->popup_window)) | |
| 2367 | { | |
| 2368 | gtk_grab_remove (combo_box->priv->popup_window); | |
| 2369 | gdk_keyboard_ungrab (GDK_CURRENT_TIME); | |
| 2370 | gdk_pointer_ungrab (GDK_CURRENT_TIME); | |
| 2371 | } | |
| 2372 | } | |
| 2373 | ||
| 2374 | static gboolean | |
| 2375 | gtk_combo_box_list_button_pressed (GtkWidget *widget, | |
| 2376 | GdkEventButton *event, | |
| 2377 | gpointer data) | |
| 2378 | { | |
| 2379 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2380 | ||
| 2381 | GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event); | |
| 2382 | ||
| 2383 | if (ewidget == combo_box->priv->tree_view) | |
| 2384 | return TRUE; | |
| 2385 | ||
| 2386 | if ((ewidget != combo_box->priv->button && ewidget != combo_box->priv->box) || | |
| 2387 | gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button))) | |
| 2388 | return FALSE; | |
| 2389 | ||
| 2390 | gtk_combo_box_popup (combo_box); | |
| 2391 | ||
| 2392 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button), | |
| 2393 | TRUE); | |
| 2394 | ||
| 2395 | combo_box->priv->popup_in_progress = TRUE; | |
| 2396 | ||
| 2397 | return TRUE; | |
| 2398 | } | |
| 2399 | ||
| 2400 | static gboolean | |
| 2401 | gtk_combo_box_list_button_released (GtkWidget *widget, | |
| 2402 | GdkEventButton *event, | |
| 2403 | gpointer data) | |
| 2404 | { | |
| 2405 | gboolean ret; | |
| 2406 | GtkTreePath *path = NULL; | |
| 2407 | ||
| 2408 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2409 | ||
| 2410 | gboolean popup_in_progress = FALSE; | |
| 2411 | ||
| 2412 | GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event); | |
| 2413 | ||
| 2414 | if (combo_box->priv->popup_in_progress) | |
| 2415 | { | |
| 2416 | popup_in_progress = TRUE; | |
| 2417 | combo_box->priv->popup_in_progress = FALSE; | |
| 2418 | } | |
| 2419 | ||
| 2420 | if (ewidget != combo_box->priv->tree_view) | |
| 2421 | { | |
| 2422 | if (ewidget == combo_box->priv->button && | |
| 2423 | !popup_in_progress && | |
| 2424 | gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button))) | |
| 2425 | { | |
| 2426 | gtk_combo_box_popdown (combo_box); | |
| 2427 | return TRUE; | |
| 2428 | } | |
| 2429 | ||
| 2430 | /* released outside treeview */ | |
| 2431 | if (ewidget != combo_box->priv->button) | |
| 2432 | { | |
| 2433 | gtk_combo_box_popdown (combo_box); | |
| 2434 | ||
| 2435 | return TRUE; | |
| 2436 | } | |
| 2437 | ||
| 2438 | return FALSE; | |
| 2439 | } | |
| 2440 | ||
| 2441 | /* select something cool */ | |
| 2442 | ret = gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget), | |
| 2443 | event->x, event->y, | |
| 2444 | &path, | |
| 2445 | NULL, NULL, NULL); | |
| 2446 | ||
| 2447 | if (!ret) | |
| 2448 | return TRUE; /* clicked outside window? */ | |
| 2449 | ||
| 2450 | gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]); | |
| 2451 | gtk_combo_box_popdown (combo_box); | |
| 2452 | ||
| 2453 | gtk_tree_path_free (path); | |
| 2454 | ||
| 2455 | return TRUE; | |
| 2456 | } | |
| 2457 | ||
| 2458 | static gboolean | |
| 2459 | gtk_combo_box_key_press (GtkWidget *widget, | |
| 2460 | GdkEventKey *event, | |
| 2461 | gpointer data) | |
| 2462 | { | |
| 2463 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2464 | guint state = event->state & gtk_accelerator_get_default_mod_mask (); | |
| 2465 | gint items = 0; | |
| 2466 | gint index = gtk_combo_box_get_active (combo_box); | |
| 2467 | gint new_index; | |
| 2468 | ||
| 2469 | if (combo_box->priv->model) | |
| 2470 | items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL); | |
| 2471 | ||
| 2472 | if ((event->keyval == GDK_Down || event->keyval == GDK_KP_Down) && | |
| 2473 | state == GDK_MOD1_MASK) | |
| 2474 | { | |
| 2475 | gtk_combo_box_popup (combo_box); | |
| 2476 | ||
| 2477 | return TRUE; | |
| 2478 | } | |
| 2479 | ||
| 2480 | switch (event->keyval) | |
| 2481 | { | |
| 2482 | case GDK_Down: | |
| 2483 | case GDK_KP_Down: | |
| 2484 | new_index = index + 1; | |
| 2485 | break; | |
| 2486 | case GDK_Up: | |
| 2487 | case GDK_KP_Up: | |
| 2488 | new_index = index - 1; | |
| 2489 | break; | |
| 2490 | case GDK_Page_Up: | |
| 2491 | case GDK_KP_Page_Up: | |
| 2492 | case GDK_Home: | |
| 2493 | case GDK_KP_Home: | |
| 2494 | new_index = 0; | |
| 2495 | break; | |
| 2496 | case GDK_Page_Down: | |
| 2497 | case GDK_KP_Page_Down: | |
| 2498 | case GDK_End: | |
| 2499 | case GDK_KP_End: | |
| 2500 | new_index = items - 1; | |
| 2501 | break; | |
| 2502 | default: | |
| 2503 | return FALSE; | |
| 2504 | } | |
| 2505 | ||
| 2506 | if (items > 0) | |
| 2507 | gtk_combo_box_set_active (combo_box, CLAMP (new_index, 0, items - 1)); | |
| 2508 | ||
| 2509 | return TRUE; | |
| 2510 | } | |
| 2511 | ||
| 2512 | static gboolean | |
| 2513 | gtk_combo_box_menu_key_press (GtkWidget *widget, | |
| 2514 | GdkEventKey *event, | |
| 2515 | gpointer data) | |
| 2516 | { | |
| 2517 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2518 | guint state = event->state & gtk_accelerator_get_default_mod_mask (); | |
| 2519 | ||
| 2520 | if ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && | |
| 2521 | state == GDK_MOD1_MASK) | |
| 2522 | { | |
| 2523 | gtk_combo_box_popdown (combo_box); | |
| 2524 | ||
| 2525 | return TRUE; | |
| 2526 | } | |
| 2527 | ||
| 2528 | return FALSE; | |
| 2529 | } | |
| 2530 | ||
| 2531 | static gboolean | |
| 2532 | gtk_combo_box_list_key_press (GtkWidget *widget, | |
| 2533 | GdkEventKey *event, | |
| 2534 | gpointer data) | |
| 2535 | { | |
| 2536 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2537 | guint state = event->state & gtk_accelerator_get_default_mod_mask (); | |
| 2538 | ||
| 2539 | if (event->keyval == GDK_Escape || | |
| 2540 | ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) && | |
| 2541 | state == GDK_MOD1_MASK)) | |
| 2542 | { | |
| 2543 | /* reset active item -- this is incredibly lame and ugly */ | |
| 2544 | gtk_combo_box_set_active (combo_box, | |
| 2545 | gtk_combo_box_get_active (combo_box)); | |
| 2546 | ||
| 2547 | gtk_combo_box_popdown (combo_box); | |
| 2548 | ||
| 2549 | return TRUE; | |
| 2550 | } | |
| 2551 | ||
| 2552 | if (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter || | |
| 2553 | event->keyval == GDK_space || event->keyval == GDK_KP_Space) | |
| 2554 | { | |
| 2555 | gboolean ret = FALSE; | |
| 2556 | GtkTreeIter iter; | |
| 2557 | GtkTreeModel *model = NULL; | |
| 2558 | ||
| 2559 | if (combo_box->priv->model) | |
| 2560 | { | |
| 2561 | GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)); | |
| 2562 | ||
| 2563 | ret = gtk_tree_selection_get_selected (sel, &model, &iter); | |
| 2564 | } | |
| 2565 | if (ret) | |
| 2566 | { | |
| 2567 | GtkTreePath *path; | |
| 2568 | ||
| 2569 | path = gtk_tree_model_get_path (model, &iter); | |
| 2570 | if (path) | |
| 2571 | { | |
| 2572 | gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]); | |
| 2573 | gtk_tree_path_free (path); | |
| 2574 | } | |
| 2575 | } | |
| 2576 | ||
| 2577 | gtk_combo_box_popdown (combo_box); | |
| 2578 | ||
| 2579 | return TRUE; | |
| 2580 | } | |
| 2581 | ||
| 2582 | return FALSE; | |
| 2583 | } | |
| 2584 | ||
| 2585 | static void | |
| 2586 | gtk_combo_box_list_row_changed (GtkTreeModel *model, | |
| 2587 | GtkTreePath *path, | |
| 2588 | GtkTreeIter *iter, | |
| 2589 | gpointer data) | |
| 2590 | { | |
| 2591 | GtkComboBox *combo_box = GTK_COMBO_BOX (data); | |
| 2592 | gint width; | |
| 2593 | ||
| 2594 | width = gtk_combo_box_calc_requested_width (combo_box, path); | |
| 2595 | ||
| 2596 | if (width > combo_box->priv->width) | |
| 2597 | { | |
| 2598 | if (combo_box->priv->cell_view) | |
| 2599 | { | |
| 2600 | gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1); | |
| 2601 | gtk_widget_queue_resize (combo_box->priv->cell_view); | |
| 2602 | } | |
| 2603 | combo_box->priv->width = width; | |
| 2604 | } | |
| 2605 | } | |
| 2606 | ||
| 2607 | /* | |
| 2608 | * GtkCellLayout implementation | |
| 2609 | */ | |
| 2610 | static void | |
| 2611 | gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout, | |
| 2612 | GtkCellRenderer *cell, | |
| 2613 | gboolean expand) | |
| 2614 | { | |
| 2615 | ComboCellInfo *info; | |
| 2616 | GtkComboBox *combo_box; | |
| 2617 | GtkWidget *menu; | |
| 2618 | ||
| 2619 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2620 | g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); | |
| 2621 | ||
| 2622 | combo_box = GTK_COMBO_BOX (layout); | |
| 2623 | ||
| 2624 | g_object_ref (G_OBJECT (cell)); | |
| 2625 | gtk_object_sink (GTK_OBJECT (cell)); | |
| 2626 | ||
| 2627 | info = g_new0 (ComboCellInfo, 1); | |
| 2628 | info->cell = cell; | |
| 2629 | info->expand = expand; | |
| 2630 | info->pack = GTK_PACK_START; | |
| 2631 | ||
| 2632 | combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info); | |
| 2633 | ||
| 2634 | if (combo_box->priv->cell_view) | |
| 2635 | gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box->priv->cell_view), | |
| 2636 | cell, expand); | |
| 2637 | ||
| 2638 | if (combo_box->priv->column) | |
| 2639 | gtk_tree_view_column_pack_start (combo_box->priv->column, cell, expand); | |
| 2640 | ||
| 2641 | menu = combo_box->priv->popup_widget; | |
| 2642 | if (GTK_IS_MENU (menu)) | |
| 2643 | { | |
| 2644 | GList *i, *list; | |
| 2645 | ||
| 2646 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2647 | for (i = list; i; i = i->next) | |
| 2648 | { | |
| 2649 | GtkCellView *view; | |
| 2650 | ||
| 2651 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2652 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2653 | else | |
| 2654 | view = GTK_CELL_VIEW (i->data); | |
| 2655 | ||
| 2656 | gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (view), cell, expand); | |
| 2657 | } | |
| 2658 | g_list_free (list); | |
| 2659 | } | |
| 2660 | } | |
| 2661 | ||
| 2662 | static void | |
| 2663 | gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout, | |
| 2664 | GtkCellRenderer *cell, | |
| 2665 | gboolean expand) | |
| 2666 | { | |
| 2667 | ComboCellInfo *info; | |
| 2668 | GtkComboBox *combo_box; | |
| 2669 | GtkWidget *menu; | |
| 2670 | ||
| 2671 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2672 | g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); | |
| 2673 | ||
| 2674 | combo_box = GTK_COMBO_BOX (layout); | |
| 2675 | ||
| 2676 | g_object_ref (G_OBJECT (cell)); | |
| 2677 | gtk_object_sink (GTK_OBJECT (cell)); | |
| 2678 | ||
| 2679 | info = g_new0 (ComboCellInfo, 1); | |
| 2680 | info->cell = cell; | |
| 2681 | info->expand = expand; | |
| 2682 | info->pack = GTK_PACK_END; | |
| 2683 | ||
| 2684 | combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info); | |
| 2685 | ||
| 2686 | if (combo_box->priv->cell_view) | |
| 2687 | gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (combo_box->priv->cell_view), | |
| 2688 | cell, expand); | |
| 2689 | ||
| 2690 | if (combo_box->priv->column) | |
| 2691 | gtk_tree_view_column_pack_end (combo_box->priv->column, cell, expand); | |
| 2692 | ||
| 2693 | menu = combo_box->priv->popup_widget; | |
| 2694 | if (GTK_IS_MENU (menu)) | |
| 2695 | { | |
| 2696 | GList *i, *list; | |
| 2697 | ||
| 2698 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2699 | for (i = list; i; i = i->next) | |
| 2700 | { | |
| 2701 | GtkCellView *view; | |
| 2702 | ||
| 2703 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2704 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2705 | else | |
| 2706 | view = GTK_CELL_VIEW (i->data); | |
| 2707 | ||
| 2708 | gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (view), cell, expand); | |
| 2709 | } | |
| 2710 | g_list_free (list); | |
| 2711 | } | |
| 2712 | } | |
| 2713 | ||
| 2714 | static void | |
| 2715 | gtk_combo_box_cell_layout_clear (GtkCellLayout *layout) | |
| 2716 | { | |
| 2717 | GtkWidget *menu; | |
| 2718 | GtkComboBox *combo_box; | |
| 2719 | GSList *i; | |
| 2720 | ||
| 2721 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2722 | ||
| 2723 | combo_box = GTK_COMBO_BOX (layout); | |
| 2724 | ||
| 2725 | if (combo_box->priv->cell_view) | |
| 2726 | gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo_box->priv->cell_view)); | |
| 2727 | ||
| 2728 | if (combo_box->priv->column) | |
| 2729 | gtk_tree_view_column_clear (combo_box->priv->column); | |
| 2730 | ||
| 2731 | for (i = combo_box->priv->cells; i; i = i->next) | |
| 2732 | { | |
| 2733 | ComboCellInfo *info = (ComboCellInfo *)i->data; | |
| 2734 | ||
| 2735 | gtk_combo_box_cell_layout_clear_attributes (layout, info->cell); | |
| 2736 | g_object_unref (G_OBJECT (info->cell)); | |
| 2737 | g_free (info); | |
| 2738 | i->data = NULL; | |
| 2739 | } | |
| 2740 | g_slist_free (combo_box->priv->cells); | |
| 2741 | combo_box->priv->cells = NULL; | |
| 2742 | ||
| 2743 | menu = combo_box->priv->popup_widget; | |
| 2744 | if (GTK_IS_MENU (menu)) | |
| 2745 | { | |
| 2746 | GList *i, *list; | |
| 2747 | ||
| 2748 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2749 | for (i = list; i; i = i->next) | |
| 2750 | { | |
| 2751 | GtkCellView *view; | |
| 2752 | ||
| 2753 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2754 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2755 | else | |
| 2756 | view = GTK_CELL_VIEW (i->data); | |
| 2757 | ||
| 2758 | gtk_cell_layout_clear (GTK_CELL_LAYOUT (view)); | |
| 2759 | } | |
| 2760 | g_list_free (list); | |
| 2761 | } | |
| 2762 | } | |
| 2763 | ||
| 2764 | static void | |
| 2765 | gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout, | |
| 2766 | GtkCellRenderer *cell, | |
| 2767 | const gchar *attribute, | |
| 2768 | gint column) | |
| 2769 | { | |
| 2770 | ComboCellInfo *info; | |
| 2771 | GtkComboBox *combo_box; | |
| 2772 | GtkWidget *menu; | |
| 2773 | ||
| 2774 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2775 | g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); | |
| 2776 | ||
| 2777 | combo_box = GTK_COMBO_BOX (layout); | |
| 2778 | ||
| 2779 | info = gtk_combo_box_get_cell_info (combo_box, cell); | |
| 2780 | ||
| 2781 | info->attributes = g_slist_prepend (info->attributes, | |
| 2782 | GINT_TO_POINTER (column)); | |
| 2783 | info->attributes = g_slist_prepend (info->attributes, | |
| 2784 | g_strdup (attribute)); | |
| 2785 | ||
| 2786 | if (combo_box->priv->cell_view) | |
| 2787 | gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->cell_view), | |
| 2788 | cell, attribute, column); | |
| 2789 | ||
| 2790 | if (combo_box->priv->column) | |
| 2791 | gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->column), | |
| 2792 | cell, attribute, column); | |
| 2793 | ||
| 2794 | menu = combo_box->priv->popup_widget; | |
| 2795 | if (GTK_IS_MENU (menu)) | |
| 2796 | { | |
| 2797 | GList *i, *list; | |
| 2798 | ||
| 2799 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2800 | for (i = list; i; i = i->next) | |
| 2801 | { | |
| 2802 | GtkCellView *view; | |
| 2803 | ||
| 2804 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2805 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2806 | else | |
| 2807 | view = GTK_CELL_VIEW (i->data); | |
| 2808 | ||
| 2809 | gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (view), cell, | |
| 2810 | attribute, column); | |
| 2811 | } | |
| 2812 | g_list_free (list); | |
| 2813 | } | |
| 2814 | ||
| 2815 | gtk_widget_queue_resize (GTK_WIDGET (combo_box)); | |
| 2816 | } | |
| 2817 | ||
| 2818 | static void | |
| 2819 | gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout, | |
| 2820 | GtkCellRenderer *cell, | |
| 2821 | GtkCellLayoutDataFunc func, | |
| 2822 | gpointer func_data, | |
| 2823 | GDestroyNotify destroy) | |
| 2824 | { | |
| 2825 | ComboCellInfo *info; | |
| 2826 | GtkComboBox *combo_box; | |
| 2827 | GtkWidget *menu; | |
| 2828 | ||
| 2829 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2830 | ||
| 2831 | combo_box = GTK_COMBO_BOX (layout); | |
| 2832 | ||
| 2833 | info = gtk_combo_box_get_cell_info (combo_box, cell); | |
| 2834 | g_return_if_fail (info != NULL); | |
| 2835 | ||
| 2836 | if (info->destroy) | |
| 2837 | { | |
| 2838 | GDestroyNotify d = info->destroy; | |
| 2839 | ||
| 2840 | info->destroy = NULL; | |
| 2841 | d (info->func_data); | |
| 2842 | } | |
| 2843 | ||
| 2844 | info->func = func; | |
| 2845 | info->func_data = func_data; | |
| 2846 | info->destroy = destroy; | |
| 2847 | ||
| 2848 | if (combo_box->priv->cell_view) | |
| 2849 | gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, func, func_data, NULL); | |
| 2850 | ||
| 2851 | if (combo_box->priv->column) | |
| 2852 | gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->column), cell, func, func_data, NULL); | |
| 2853 | ||
| 2854 | menu = combo_box->priv->popup_widget; | |
| 2855 | if (GTK_IS_MENU (menu)) | |
| 2856 | { | |
| 2857 | GList *i, *list; | |
| 2858 | ||
| 2859 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2860 | for (i = list; i; i = i->next) | |
| 2861 | { | |
| 2862 | GtkCellView *view; | |
| 2863 | ||
| 2864 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2865 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2866 | else | |
| 2867 | view = GTK_CELL_VIEW (i->data); | |
| 2868 | ||
| 2869 | gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (view), cell, | |
| 2870 | func, func_data, NULL); | |
| 2871 | } | |
| 2872 | g_list_free (list); | |
| 2873 | } | |
| 2874 | ||
| 2875 | gtk_widget_queue_resize (GTK_WIDGET (combo_box)); | |
| 2876 | } | |
| 2877 | ||
| 2878 | static void | |
| 2879 | gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout, | |
| 2880 | GtkCellRenderer *cell) | |
| 2881 | { | |
| 2882 | ComboCellInfo *info; | |
| 2883 | GtkComboBox *combo_box; | |
| 2884 | GtkWidget *menu; | |
| 2885 | GSList *list; | |
| 2886 | ||
| 2887 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2888 | g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); | |
| 2889 | ||
| 2890 | combo_box = GTK_COMBO_BOX (layout); | |
| 2891 | ||
| 2892 | info = gtk_combo_box_get_cell_info (combo_box, cell); | |
| 2893 | if (info) | |
| 2894 | { | |
| 2895 | list = info->attributes; | |
| 2896 | while (list && list->next) | |
| 2897 | { | |
| 2898 | g_free (list->data); | |
| 2899 | list = list->next->next; | |
| 2900 | } | |
| 2901 | g_slist_free (info->attributes); | |
| 2902 | info->attributes = NULL; | |
| 2903 | } | |
| 2904 | ||
| 2905 | if (combo_box->priv->cell_view) | |
| 2906 | gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell); | |
| 2907 | ||
| 2908 | if (combo_box->priv->column) | |
| 2909 | gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->column), cell); | |
| 2910 | ||
| 2911 | menu = combo_box->priv->popup_widget; | |
| 2912 | if (GTK_IS_MENU (menu)) | |
| 2913 | { | |
| 2914 | GList *i, *list; | |
| 2915 | ||
| 2916 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2917 | for (i = list; i; i = i->next) | |
| 2918 | { | |
| 2919 | GtkCellView *view; | |
| 2920 | ||
| 2921 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2922 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2923 | else | |
| 2924 | view = GTK_CELL_VIEW (i->data); | |
| 2925 | ||
| 2926 | gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (view), cell); | |
| 2927 | } | |
| 2928 | g_list_free (list); | |
| 2929 | } | |
| 2930 | ||
| 2931 | gtk_widget_queue_resize (GTK_WIDGET (combo_box)); | |
| 2932 | } | |
| 2933 | ||
| 2934 | static void | |
| 2935 | gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout, | |
| 2936 | GtkCellRenderer *cell, | |
| 2937 | gint position) | |
| 2938 | { | |
| 2939 | ComboCellInfo *info; | |
| 2940 | GtkComboBox *combo_box; | |
| 2941 | GtkWidget *menu; | |
| 2942 | GSList *link; | |
| 2943 | ||
| 2944 | g_return_if_fail (GTK_IS_COMBO_BOX (layout)); | |
| 2945 | g_return_if_fail (GTK_IS_CELL_RENDERER (cell)); | |
| 2946 | ||
| 2947 | combo_box = GTK_COMBO_BOX (layout); | |
| 2948 | ||
| 2949 | info = gtk_combo_box_get_cell_info (combo_box, cell); | |
| 2950 | ||
| 2951 | g_return_if_fail (info != NULL); | |
| 2952 | g_return_if_fail (position >= 0); | |
| 2953 | ||
| 2954 | link = g_slist_find (combo_box->priv->cells, info); | |
| 2955 | ||
| 2956 | g_return_if_fail (link != NULL); | |
| 2957 | ||
| 2958 | combo_box->priv->cells = g_slist_remove_link (combo_box->priv->cells, link); | |
| 2959 | combo_box->priv->cells = g_slist_insert (combo_box->priv->cells, info, | |
| 2960 | position); | |
| 2961 | ||
| 2962 | if (combo_box->priv->cell_view) | |
| 2963 | gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->cell_view), | |
| 2964 | cell, position); | |
| 2965 | ||
| 2966 | if (combo_box->priv->column) | |
| 2967 | gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->column), | |
| 2968 | cell, position); | |
| 2969 | ||
| 2970 | menu = combo_box->priv->popup_widget; | |
| 2971 | if (GTK_IS_MENU (menu)) | |
| 2972 | { | |
| 2973 | GList *i, *list; | |
| 2974 | ||
| 2975 | list = gtk_container_get_children (GTK_CONTAINER (menu)); | |
| 2976 | for (i = list; i; i = i->next) | |
| 2977 | { | |
| 2978 | GtkCellView *view; | |
| 2979 | ||
| 2980 | if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data)) | |
| 2981 | view = GTK_CELL_VIEW (GTK_BIN (i->data)->child); | |
| 2982 | else | |
| 2983 | view = GTK_CELL_VIEW (i->data); | |
| 2984 | ||
| 2985 | gtk_cell_layout_reorder (GTK_CELL_LAYOUT (view), cell, position); | |
| 2986 | } | |
| 2987 | g_list_free (list); | |
| 2988 | } | |
| 2989 | ||
| 2990 | gtk_widget_queue_draw (GTK_WIDGET (combo_box)); | |
| 2991 | } | |
| 2992 | ||
| 2993 | /* | |
| 2994 | * public API | |
| 2995 | */ | |
| 2996 | ||
| 2997 | /** | |
| 2998 | * gtk_combo_box_new: | |
| 2999 | * | |
| 3000 | * Creates a new empty #GtkComboBox. | |
| 3001 | * | |
| 3002 | * Return value: A new #GtkComboBox. | |
| 3003 | * | |
| 3004 | * Since: 2.4 | |
| 3005 | */ | |
| 3006 | GtkWidget * | |
| 3007 | gtk_combo_box_new (void) | |
| 3008 | { | |
| 3009 | return GTK_WIDGET (g_object_new (GTK_TYPE_COMBO_BOX, NULL)); | |
| 3010 | } | |
| 3011 | ||
| 3012 | /** | |
| 3013 | * gtk_combo_box_new_with_model: | |
| 3014 | * @model: A #GtkTreeModel. | |
| 3015 | * | |
| 3016 | * Creates a new #GtkComboBox with the model initialized to @model. | |
| 3017 | * | |
| 3018 | * Return value: A new #GtkComboBox. | |
| 3019 | * | |
| 3020 | * Since: 2.4 | |
| 3021 | */ | |
| 3022 | GtkWidget * | |
| 3023 | gtk_combo_box_new_with_model (GtkTreeModel *model) | |
| 3024 | { | |
| 3025 | GtkComboBox *combo_box; | |
| 3026 | ||
| 3027 | g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL); | |
| 3028 | ||
| 3029 | combo_box = GTK_COMBO_BOX (g_object_new (GTK_TYPE_COMBO_BOX, | |
| 3030 | "model", model, | |
| 3031 | NULL)); | |
| 3032 | ||
| 3033 | return GTK_WIDGET (combo_box); | |
| 3034 | } | |
| 3035 | ||
| 3036 | /** | |
| 3037 | * gtk_combo_box_set_wrap_width: | |
| 3038 | * @combo_box: A #GtkComboBox. | |
| 3039 | * @width: Preferred number of columns. | |
| 3040 | * | |
| 3041 | * Sets the wrap width of @combo_box to be @width. The wrap width is basically | |
| 3042 | * the preferred number of columns when you want to the popup to be layed out | |
| 3043 | * in a table. | |
| 3044 | * | |
| 3045 | * Since: 2.4 | |
| 3046 | */ | |
| 3047 | void | |
| 3048 | gtk_combo_box_set_wrap_width (GtkComboBox *combo_box, | |
| 3049 | gint width) | |
| 3050 | { | |
| 3051 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3052 | g_return_if_fail (width >= 0); | |
| 3053 | ||
| 3054 | if (width != combo_box->priv->wrap_width) | |
| 3055 | { | |
| 3056 | combo_box->priv->wrap_width = width; | |
| 3057 | ||
| 3058 | gtk_combo_box_check_appearance (combo_box); | |
| 3059 | gtk_combo_box_relayout (combo_box); | |
| 3060 | ||
| 3061 | g_object_notify (G_OBJECT (combo_box), "wrap_width"); | |
| 3062 | } | |
| 3063 | } | |
| 3064 | ||
| 3065 | /** | |
| 3066 | * gtk_combo_box_set_row_span_column: | |
| 3067 | * @combo_box: A #GtkComboBox. | |
| 3068 | * @row_span: A column in the model passed during construction. | |
| 3069 | * | |
| 3070 | * Sets the column with row span information for @combo_box to be @row_span. | |
| 3071 | * The row span column contains integers which indicate how many rows | |
| 3072 | * an item should span. | |
| 3073 | * | |
| 3074 | * Since: 2.4 | |
| 3075 | */ | |
| 3076 | void | |
| 3077 | gtk_combo_box_set_row_span_column (GtkComboBox *combo_box, | |
| 3078 | gint row_span) | |
| 3079 | { | |
| 3080 | gint col; | |
| 3081 | ||
| 3082 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3083 | ||
| 3084 | col = gtk_tree_model_get_n_columns (combo_box->priv->model); | |
| 3085 | g_return_if_fail (row_span >= 0 && row_span < col); | |
| 3086 | ||
| 3087 | if (row_span != combo_box->priv->row_column) | |
| 3088 | { | |
| 3089 | combo_box->priv->row_column = row_span; | |
| 3090 | ||
| 3091 | gtk_combo_box_relayout (combo_box); | |
| 3092 | ||
| 3093 | g_object_notify (G_OBJECT (combo_box), "row_span_column"); | |
| 3094 | } | |
| 3095 | } | |
| 3096 | ||
| 3097 | /** | |
| 3098 | * gtk_combo_box_set_column_span_column: | |
| 3099 | * @combo_box: A #GtkComboBox. | |
| 3100 | * @column_span: A column in the model passed during construction. | |
| 3101 | * | |
| 3102 | * Sets the column with column span information for @combo_box to be | |
| 3103 | * @column_span. The column span column contains integers which indicate | |
| 3104 | * how many columns an item should span. | |
| 3105 | * | |
| 3106 | * Since: 2.4 | |
| 3107 | */ | |
| 3108 | void | |
| 3109 | gtk_combo_box_set_column_span_column (GtkComboBox *combo_box, | |
| 3110 | gint column_span) | |
| 3111 | { | |
| 3112 | gint col; | |
| 3113 | ||
| 3114 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3115 | ||
| 3116 | col = gtk_tree_model_get_n_columns (combo_box->priv->model); | |
| 3117 | g_return_if_fail (column_span >= 0 && column_span < col); | |
| 3118 | ||
| 3119 | if (column_span != combo_box->priv->col_column) | |
| 3120 | { | |
| 3121 | combo_box->priv->col_column = column_span; | |
| 3122 | ||
| 3123 | gtk_combo_box_relayout (combo_box); | |
| 3124 | ||
| 3125 | g_object_notify (G_OBJECT (combo_box), "column_span_column"); | |
| 3126 | } | |
| 3127 | } | |
| 3128 | ||
| 3129 | /** | |
| 3130 | * gtk_combo_box_get_active: | |
| 3131 | * @combo_box: A #GtkComboBox. | |
| 3132 | * | |
| 3133 | * Returns the index of the currently active item, or -1 if there's no | |
| 3134 | * active item. | |
| 3135 | * | |
| 3136 | * Return value: An integer which is the index of the currently active item, or | |
| 3137 | * -1 if there's no active item. | |
| 3138 | * | |
| 3139 | * Since: 2.4 | |
| 3140 | */ | |
| 3141 | gint | |
| 3142 | gtk_combo_box_get_active (GtkComboBox *combo_box) | |
| 3143 | { | |
| 3144 | g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), 0); | |
| 3145 | ||
| 3146 | return combo_box->priv->active_item; | |
| 3147 | } | |
| 3148 | ||
| 3149 | /** | |
| 3150 | * gtk_combo_box_set_active: | |
| 3151 | * @combo_box: A #GtkComboBox. | |
| 3152 | * @index_: An index in the model passed during construction, or -1 to have | |
| 3153 | * no active item. | |
| 3154 | * | |
| 3155 | * Sets the active item of @combo_box to be the item at @index. | |
| 3156 | * | |
| 3157 | * Since: 2.4 | |
| 3158 | */ | |
| 3159 | void | |
| 3160 | gtk_combo_box_set_active (GtkComboBox *combo_box, | |
| 3161 | gint index_) | |
| 3162 | { | |
| 3163 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3164 | /* -1 means "no item selected" */ | |
| 3165 | g_return_if_fail (index_ >= -1); | |
| 3166 | ||
| 3167 | if (combo_box->priv->active_item == index_) | |
| 3168 | return; | |
| 3169 | ||
| 3170 | gtk_combo_box_set_active_internal (combo_box, index_); | |
| 3171 | } | |
| 3172 | ||
| 3173 | static void | |
| 3174 | gtk_combo_box_set_active_internal (GtkComboBox *combo_box, | |
| 3175 | gint index) | |
| 3176 | { | |
| 3177 | GtkTreePath *path; | |
| 3178 | ||
| 3179 | combo_box->priv->active_item = index; | |
| 3180 | ||
| 3181 | if (index == -1) | |
| 3182 | { | |
| 3183 | if (combo_box->priv->tree_view) | |
| 3184 | gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view))); | |
| 3185 | else | |
| 3186 | { | |
| 3187 | GtkMenu *menu = GTK_MENU (combo_box->priv->popup_widget); | |
| 3188 | ||
| 3189 | if (GTK_IS_MENU (menu)) | |
| 3190 | gtk_menu_set_active (menu, -1); | |
| 3191 | } | |
| 3192 | ||
| 3193 | if (combo_box->priv->cell_view) | |
| 3194 | gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL); | |
| 3195 | } | |
| 3196 | else | |
| 3197 | { | |
| 3198 | path = gtk_tree_path_new_from_indices (index, -1); | |
| 3199 | ||
| 3200 | if (combo_box->priv->tree_view) | |
| 3201 | gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), path, NULL, FALSE); | |
| 3202 | else | |
| 3203 | { | |
| 3204 | GtkMenu *menu = GTK_MENU (combo_box->priv->popup_widget); | |
| 3205 | ||
| 3206 | if (GTK_IS_MENU (menu)) | |
| 3207 | gtk_menu_set_active (GTK_MENU (menu), index); | |
| 3208 | } | |
| 3209 | ||
| 3210 | if (combo_box->priv->cell_view) | |
| 3211 | gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path); | |
| 3212 | ||
| 3213 | gtk_tree_path_free (path); | |
| 3214 | } | |
| 3215 | ||
| 3216 | g_signal_emit_by_name (combo_box, "changed", NULL, NULL); | |
| 3217 | } | |
| 3218 | ||
| 3219 | ||
| 3220 | /** | |
| 3221 | * gtk_combo_box_get_active_iter: | |
| 3222 | * @combo_box: A #GtkComboBox | |
| 3223 | * @iter: The uninitialized #GtkTreeIter. | |
| 3224 | * | |
| 3225 | * Sets @iter to point to the current active item, if it exists. | |
| 3226 | * | |
| 3227 | * Return value: %TRUE, if @iter was set | |
| 3228 | * | |
| 3229 | * Since: 2.4 | |
| 3230 | **/ | |
| 3231 | gboolean | |
| 3232 | gtk_combo_box_get_active_iter (GtkComboBox *combo_box, | |
| 3233 | GtkTreeIter *iter) | |
| 3234 | { | |
| 3235 | GtkTreePath *path; | |
| 3236 | gint active; | |
| 3237 | gboolean retval; | |
| 3238 | ||
| 3239 | g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE); | |
| 3240 | ||
| 3241 | active = gtk_combo_box_get_active (combo_box); | |
| 3242 | if (active < 0) | |
| 3243 | return FALSE; | |
| 3244 | ||
| 3245 | path = gtk_tree_path_new_from_indices (active, -1); | |
| 3246 | retval = gtk_tree_model_get_iter (gtk_combo_box_get_model (combo_box), | |
| 3247 | iter, path); | |
| 3248 | gtk_tree_path_free (path); | |
| 3249 | ||
| 3250 | return retval; | |
| 3251 | } | |
| 3252 | ||
| 3253 | /** | |
| 3254 | * gtk_combo_box_set_active_iter: | |
| 3255 | * @combo_box: A #GtkComboBox | |
| 3256 | * @iter: The #GtkTreeIter. | |
| 3257 | * | |
| 3258 | * Sets the current active item to be the one referenced by @iter. | |
| 3259 | * @iter must correspond to a path of depth one. | |
| 3260 | * | |
| 3261 | * Since: 2.4 | |
| 3262 | **/ | |
| 3263 | void | |
| 3264 | gtk_combo_box_set_active_iter (GtkComboBox *combo_box, | |
| 3265 | GtkTreeIter *iter) | |
| 3266 | { | |
| 3267 | GtkTreePath *path; | |
| 3268 | ||
| 3269 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3270 | ||
| 3271 | path = gtk_tree_model_get_path (gtk_combo_box_get_model (combo_box), iter); | |
| 3272 | g_return_if_fail (path != NULL); | |
| 3273 | g_return_if_fail (gtk_tree_path_get_depth (path) == 1); | |
| 3274 | ||
| 3275 | gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]); | |
| 3276 | gtk_tree_path_free (path); | |
| 3277 | } | |
| 3278 | ||
| 3279 | /** | |
| 3280 | * gtk_combo_box_set_model: | |
| 3281 | * @combo_box: A #GtkComboBox. | |
| 3282 | * @model: A #GtkTreeModel. | |
| 3283 | * | |
| 3284 | * Sets the model used by @combo_box to be @model. Will unset a previously set | |
| 3285 | * model (if applicable). If @model is %NULL, then it will unset the model. | |
| 3286 | * | |
| 3287 | * Note that this function does not clear the cell renderers, you have to | |
| 3288 | * call gtk_combo_box_cell_layout_clear() yourself if you need to set up | |
| 3289 | * different cell renderers for the new model. | |
| 3290 | * | |
| 3291 | * Since: 2.4 | |
| 3292 | */ | |
| 3293 | void | |
| 3294 | gtk_combo_box_set_model (GtkComboBox *combo_box, | |
| 3295 | GtkTreeModel *model) | |
| 3296 | { | |
| 3297 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3298 | ||
| 3299 | if (!model) | |
| 3300 | { | |
| 3301 | gtk_combo_box_unset_model (combo_box); | |
| 3302 | return; | |
| 3303 | } | |
| 3304 | ||
| 3305 | g_return_if_fail (GTK_IS_TREE_MODEL (model)); | |
| 3306 | ||
| 3307 | if (model == combo_box->priv->model) | |
| 3308 | return; | |
| 3309 | ||
| 3310 | if (combo_box->priv->model) | |
| 3311 | gtk_combo_box_unset_model (combo_box); | |
| 3312 | ||
| 3313 | combo_box->priv->model = model; | |
| 3314 | g_object_ref (G_OBJECT (combo_box->priv->model)); | |
| 3315 | ||
| 3316 | combo_box->priv->inserted_id = | |
| 3317 | g_signal_connect (combo_box->priv->model, "row_inserted", | |
| 3318 | G_CALLBACK (gtk_combo_box_model_row_inserted), | |
| 3319 | combo_box); | |
| 3320 | combo_box->priv->deleted_id = | |
| 3321 | g_signal_connect (combo_box->priv->model, "row_deleted", | |
| 3322 | G_CALLBACK (gtk_combo_box_model_row_deleted), | |
| 3323 | combo_box); | |
| 3324 | combo_box->priv->reordered_id = | |
| 3325 | g_signal_connect (combo_box->priv->model, "rows_reordered", | |
| 3326 | G_CALLBACK (gtk_combo_box_model_rows_reordered), | |
| 3327 | combo_box); | |
| 3328 | combo_box->priv->changed_id = | |
| 3329 | g_signal_connect (combo_box->priv->model, "row_changed", | |
| 3330 | G_CALLBACK (gtk_combo_box_model_row_changed), | |
| 3331 | combo_box); | |
| 3332 | ||
| 3333 | if (combo_box->priv->tree_view) | |
| 3334 | { | |
| 3335 | /* list mode */ | |
| 3336 | gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view), | |
| 3337 | combo_box->priv->model); | |
| 3338 | } | |
| 3339 | else | |
| 3340 | { | |
| 3341 | /* menu mode */ | |
| 3342 | if (combo_box->priv->popup_widget) | |
| 3343 | gtk_combo_box_menu_fill (combo_box); | |
| 3344 | ||
| 3345 | } | |
| 3346 | ||
| 3347 | if (combo_box->priv->cell_view) | |
| 3348 | gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view), | |
| 3349 | combo_box->priv->model); | |
| 3350 | } | |
| 3351 | ||
| 3352 | /** | |
| 3353 | * gtk_combo_box_get_model | |
| 3354 | * @combo_box: A #GtkComboBox. | |
| 3355 | * | |
| 3356 | * Returns the #GtkTreeModel which is acting as data source for @combo_box. | |
| 3357 | * | |
| 3358 | * Return value: A #GtkTreeModel which was passed during construction. | |
| 3359 | * | |
| 3360 | * Since: 2.4 | |
| 3361 | */ | |
| 3362 | GtkTreeModel * | |
| 3363 | gtk_combo_box_get_model (GtkComboBox *combo_box) | |
| 3364 | { | |
| 3365 | g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL); | |
| 3366 | ||
| 3367 | return combo_box->priv->model; | |
| 3368 | } | |
| 3369 | ||
| 3370 | ||
| 3371 | /* convenience API for simple text combos */ | |
| 3372 | ||
| 3373 | /** | |
| 3374 | * gtk_combo_box_new_text: | |
| 3375 | * | |
| 3376 | * Convenience function which constructs a new text combo box, which is a | |
| 3377 | * #GtkComboBox just displaying strings. If you use this function to create | |
| 3378 | * a text combo box, you should only manipulate its data source with the | |
| 3379 | * following convenience functions: gtk_combo_box_append_text(), | |
| 3380 | * gtk_combo_box_insert_text(), gtk_combo_box_prepend_text() and | |
| 3381 | * gtk_combo_box_remove_text(). | |
| 3382 | * | |
| 3383 | * Return value: A new text combo box. | |
| 3384 | * | |
| 3385 | * Since: 2.4 | |
| 3386 | */ | |
| 3387 | GtkWidget * | |
| 3388 | gtk_combo_box_new_text (void) | |
| 3389 | { | |
| 3390 | GtkWidget *combo_box; | |
| 3391 | GtkCellRenderer *cell; | |
| 3392 | GtkListStore *store; | |
| 3393 | ||
| 3394 | store = gtk_list_store_new (1, G_TYPE_STRING); | |
| 3395 | combo_box = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store)); | |
| 3396 | g_object_unref (store); | |
| 3397 | ||
| 3398 | cell = gtk_cell_renderer_text_new (); | |
| 3399 | gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE); | |
| 3400 | gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell, | |
| 3401 | "text", 0, | |
| 3402 | NULL); | |
| 3403 | ||
| 3404 | return combo_box; | |
| 3405 | } | |
| 3406 | ||
| 3407 | /** | |
| 3408 | * gtk_combo_box_append_text: | |
| 3409 | * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text(). | |
| 3410 | * @text: A string. | |
| 3411 | * | |
| 3412 | * Appends @string to the list of strings stored in @combo_box. Note that | |
| 3413 | * you can only use this function with combo boxes constructed with | |
| 3414 | * gtk_combo_box_new_text(). | |
| 3415 | * | |
| 3416 | * Since: 2.4 | |
| 3417 | */ | |
| 3418 | void | |
| 3419 | gtk_combo_box_append_text (GtkComboBox *combo_box, | |
| 3420 | const gchar *text) | |
| 3421 | { | |
| 3422 | GtkTreeIter iter; | |
| 3423 | GtkListStore *store; | |
| 3424 | ||
| 3425 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3426 | g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); | |
| 3427 | g_return_if_fail (text != NULL); | |
| 3428 | ||
| 3429 | store = GTK_LIST_STORE (combo_box->priv->model); | |
| 3430 | ||
| 3431 | gtk_list_store_append (store, &iter); | |
| 3432 | gtk_list_store_set (store, &iter, 0, text, -1); | |
| 3433 | } | |
| 3434 | ||
| 3435 | /** | |
| 3436 | * gtk_combo_box_insert_text: | |
| 3437 | * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text(). | |
| 3438 | * @position: An index to insert @text. | |
| 3439 | * @text: A string. | |
| 3440 | * | |
| 3441 | * Inserts @string at @position in the list of strings stored in @combo_box. | |
| 3442 | * Note that you can only use this function with combo boxes constructed | |
| 3443 | * with gtk_combo_box_new_text(). | |
| 3444 | * | |
| 3445 | * Since: 2.4 | |
| 3446 | */ | |
| 3447 | void | |
| 3448 | gtk_combo_box_insert_text (GtkComboBox *combo_box, | |
| 3449 | gint position, | |
| 3450 | const gchar *text) | |
| 3451 | { | |
| 3452 | GtkTreeIter iter; | |
| 3453 | GtkListStore *store; | |
| 3454 | ||
| 3455 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3456 | g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); | |
| 3457 | g_return_if_fail (position >= 0); | |
| 3458 | g_return_if_fail (text != NULL); | |
| 3459 | ||
| 3460 | store = GTK_LIST_STORE (combo_box->priv->model); | |
| 3461 | ||
| 3462 | gtk_list_store_insert (store, &iter, position); | |
| 3463 | gtk_list_store_set (store, &iter, 0, text, -1); | |
| 3464 | } | |
| 3465 | ||
| 3466 | /** | |
| 3467 | * gtk_combo_box_prepend_text: | |
| 3468 | * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text(). | |
| 3469 | * @text: A string. | |
| 3470 | * | |
| 3471 | * Prepends @string to the list of strings stored in @combo_box. Note that | |
| 3472 | * you can only use this function with combo boxes constructed with | |
| 3473 | * gtk_combo_box_new_text(). | |
| 3474 | * | |
| 3475 | * Since: 2.4 | |
| 3476 | */ | |
| 3477 | void | |
| 3478 | gtk_combo_box_prepend_text (GtkComboBox *combo_box, | |
| 3479 | const gchar *text) | |
| 3480 | { | |
| 3481 | GtkTreeIter iter; | |
| 3482 | GtkListStore *store; | |
| 3483 | ||
| 3484 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3485 | g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); | |
| 3486 | g_return_if_fail (text != NULL); | |
| 3487 | ||
| 3488 | store = GTK_LIST_STORE (combo_box->priv->model); | |
| 3489 | ||
| 3490 | gtk_list_store_prepend (store, &iter); | |
| 3491 | gtk_list_store_set (store, &iter, 0, text, -1); | |
| 3492 | } | |
| 3493 | ||
| 3494 | /** | |
| 3495 | * gtk_combo_box_remove_text: | |
| 3496 | * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text(). | |
| 3497 | * @position: Index of the item to remove. | |
| 3498 | * | |
| 3499 | * Removes the string at @position from @combo_box. Note that you can only use | |
| 3500 | * this function with combo boxes constructed with gtk_combo_box_new_text(). | |
| 3501 | * | |
| 3502 | * Since: 2.4 | |
| 3503 | */ | |
| 3504 | void | |
| 3505 | gtk_combo_box_remove_text (GtkComboBox *combo_box, | |
| 3506 | gint position) | |
| 3507 | { | |
| 3508 | GtkTreeIter iter; | |
| 3509 | GtkListStore *store; | |
| 3510 | ||
| 3511 | g_return_if_fail (GTK_IS_COMBO_BOX (combo_box)); | |
| 3512 | g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model)); | |
| 3513 | g_return_if_fail (position >= 0); | |
| 3514 | ||
| 3515 | store = GTK_LIST_STORE (combo_box->priv->model); | |
| 3516 | ||
| 3517 | if (gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter, | |
| 3518 | NULL, position)) | |
| 3519 | gtk_list_store_remove (store, &iter); | |
| 3520 | } | |
| 3521 | ||
| 3522 | ||
| 3523 | static gboolean | |
| 3524 | gtk_combo_box_mnemonic_activate (GtkWidget *widget, | |
| 3525 | gboolean group_cycling) | |
| 3526 | { | |
| 3527 | GtkComboBox *combo_box = GTK_COMBO_BOX (widget); | |
| 3528 | ||
| 3529 | gtk_widget_grab_focus (combo_box->priv->button); | |
| 3530 | ||
| 3531 | return TRUE; | |
| 3532 | } | |
| 3533 | ||
| 3534 | static void | |
| 3535 | gtk_combo_box_destroy (GtkObject *object) | |
| 3536 | { | |
| 3537 | GtkComboBox *combo_box = GTK_COMBO_BOX (object); | |
| 3538 | ||
| 3539 | gtk_combo_box_popdown (combo_box); | |
| 3540 | ||
| 3541 | combo_box->priv->destroying = 1; | |
| 3542 | ||
| 3543 | GTK_OBJECT_CLASS (parent_class)->destroy (object); | |
| 3544 | combo_box->priv->cell_view = NULL; | |
| 3545 | ||
| 3546 | combo_box->priv->destroying = 0; | |
| 3547 | } | |
| 3548 | ||
| 3549 | static void | |
| 3550 | gtk_combo_box_finalize (GObject *object) | |
| 3551 | { | |
| 3552 | GtkComboBox *combo_box = GTK_COMBO_BOX (object); | |
| 3553 | GSList *i; | |
| 3554 | ||
| 3555 | if (GTK_IS_MENU (combo_box->priv->popup_widget)) | |
| 3556 | { | |
| 3557 | gtk_combo_box_menu_destroy (combo_box); | |
| 3558 | gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget)); | |
| 3559 | combo_box->priv->popup_widget = NULL; | |
| 3560 | } | |
| 3561 | ||
| 3562 | if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view)) | |
| 3563 | gtk_combo_box_list_destroy (combo_box); | |
| 3564 | ||
| 3565 | if (combo_box->priv->popup_window) | |
| 3566 | gtk_widget_destroy (combo_box->priv->popup_window); | |
| 3567 | ||
| 3568 | gtk_combo_box_unset_model (combo_box); | |
| 3569 | ||
| 3570 | for (i = combo_box->priv->cells; i; i = i->next) | |
| 3571 | { | |
| 3572 | ComboCellInfo *info = (ComboCellInfo *)i->data; | |
| 3573 | GSList *list = info->attributes; | |
| 3574 | ||
| 3575 | if (info->destroy) | |
| 3576 | info->destroy (info->func_data); | |
| 3577 | ||
| 3578 | while (list && list->next) | |
| 3579 | { | |
| 3580 | g_free (list->data); | |
| 3581 | list = list->next->next; | |
| 3582 | } | |
| 3583 | g_slist_free (info->attributes); | |
| 3584 | ||
| 3585 | g_object_unref (G_OBJECT (info->cell)); | |
| 3586 | g_free (info); | |
| 3587 | } | |
| 3588 | g_slist_free (combo_box->priv->cells); | |
| 3589 | ||
| 3590 | g_free (combo_box->priv); | |
| 3591 | ||
| 3592 | G_OBJECT_CLASS (parent_class)->finalize (object); | |
| 3593 | } | |
| 3594 | ||
| 3595 | ||
| 3596 | /** | |
| 3597 | * Code below this point has been pulled in from gtkmenu.c in 2.4.14 | |
| 3598 | * and is needed to provide gtk_menu_attach() | |
| 3599 | */ | |
| 3600 | ||
| 3601 | typedef struct | |
| 3602 | { | |
| 3603 | gint left_attach; | |
| 3604 | gint right_attach; | |
| 3605 | gint top_attach; | |
| 3606 | gint bottom_attach; | |
| 3607 | gint effective_left_attach; | |
| 3608 | gint effective_right_attach; | |
| 3609 | gint effective_top_attach; | |
| 3610 | gint effective_bottom_attach; | |
| 3611 | } AttachInfo; | |
| 3612 | ||
| 3613 | #define ATTACH_INFO_KEY "gtk-menu-child-attach-info-key" | |
| 3614 | ||
| 3615 | static AttachInfo * | |
| 3616 | get_attach_info (GtkWidget *child) | |
| 3617 | { | |
| 3618 | GObject *object = G_OBJECT (child); | |
| 3619 | AttachInfo *ai = g_object_get_data (object, ATTACH_INFO_KEY); | |
| 3620 | ||
| 3621 | if (!ai) | |
| 3622 | { | |
| 3623 | ai = g_new0 (AttachInfo, 1); | |
| 3624 | g_object_set_data_full (object, ATTACH_INFO_KEY, ai, g_free); | |
| 3625 | } | |
| 3626 | ||
| 3627 | return ai; | |
| 3628 | } | |
| 3629 | ||
| 3630 | /** | |
| 3631 | * gtk_menu_attach: | |
| 3632 | * @menu: a #GtkMenu. | |
| 3633 | * @child: a #GtkMenuItem. | |
| 3634 | * @left_attach: The column number to attach the left side of the item to. | |
| 3635 | * @right_attach: The column number to attach the right side of the item to. | |
| 3636 | * @top_attach: The row number to attach the top of the item to. | |
| 3637 | * @bottom_attach: The row number to attach the bottom of the item to. | |
| 3638 | * | |
| 3639 | * Adds a new #GtkMenuItem to a (table) menu. The number of 'cells' that | |
| 3640 | * an item will occupy is specified by @left_attach, @right_attach, | |
| 3641 | * @top_attach and @bottom_attach. These each represent the leftmost, | |
| 3642 | * rightmost, uppermost and lower column and row numbers of the table. | |
| 3643 | * (Columns and rows are indexed from zero). | |
| 3644 | * | |
| 3645 | * Note that this function is not related to gtk_menu_detach(). | |
| 3646 | * | |
| 3647 | * Since: 2.4 | |
| 3648 | **/ | |
| 3649 | static void | |
| 3650 | gtk_menu_attach (GtkMenu *menu, | |
| 3651 | GtkWidget *child, | |
| 3652 | guint left_attach, | |
| 3653 | guint right_attach, | |
| 3654 | guint top_attach, | |
| 3655 | guint bottom_attach) | |
| 3656 | { | |
| 3657 | GtkMenuShell *menu_shell; | |
| 3658 | ||
| 3659 | g_return_if_fail (GTK_IS_MENU (menu)); | |
| 3660 | g_return_if_fail (GTK_IS_MENU_ITEM (child)); | |
| 3661 | g_return_if_fail (child->parent == NULL || | |
| 3662 | child->parent == GTK_WIDGET (menu)); | |
| 3663 | g_return_if_fail (left_attach < right_attach); | |
| 3664 | g_return_if_fail (top_attach < bottom_attach); | |
| 3665 | ||
| 3666 | menu_shell = GTK_MENU_SHELL (menu); | |
| 3667 | ||
| 3668 | if (!child->parent) | |
| 3669 | { | |
| 3670 | AttachInfo *ai = get_attach_info (child); | |
| 3671 | ||
| 3672 | ai->left_attach = left_attach; | |
| 3673 | ai->right_attach = right_attach; | |
| 3674 | ai->top_attach = top_attach; | |
| 3675 | ai->bottom_attach = bottom_attach; | |
| 3676 | ||
| 3677 | menu_shell->children = g_list_append (menu_shell->children, child); | |
| 3678 | ||
| 3679 | gtk_widget_set_parent (child, GTK_WIDGET (menu)); | |
| 3680 | ||
| 3681 | /* | |
| 3682 | menu_queue_resize (menu); | |
| 3683 | */ | |
| 3684 | } | |
| 3685 | else | |
| 3686 | { | |
| 3687 | gtk_container_child_set (GTK_CONTAINER (child->parent), child, | |
| 3688 | "left_attach", left_attach, | |
| 3689 | "right_attach", right_attach, | |
| 3690 | "top_attach", top_attach, | |
| 3691 | "bottom_attach", bottom_attach, | |
| 3692 | NULL); | |
| 3693 | } | |
| 3694 | } | |
| 3695 | #endif /* Gtk 2.4 */ |
