--- a/pidgin/pidgincombobox.c Tue Aug 25 03:58:42 2009 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,3749 +0,0 @@
-/* pidgincombobox.c
- * Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02111-1301, USA.
- */
-
-/*
-#include <config.h>
-*/
-#include <gtk/gtkversion.h>
-#if !GTK_CHECK_VERSION(2,6,0)
-#include "pidgincombobox.h"
-
-#if !GTK_CHECK_VERSION(2,4,0)
-#include <gtk/gtkarrow.h>
-#include <gtk/gtkbindings.h>
-#include "gtkcelllayout.h"
-#include <gtk/gtkcellrenderertext.h>
-#include "gtkcellview.h"
-#include "gtkcellviewmenuitem.h"
-#include <gtk/gtkeventbox.h>
-#include <gtk/gtkframe.h>
-#include <gtk/gtkhbox.h>
-#include <gtk/gtkliststore.h>
-#include <gtk/gtkmain.h>
-#include <gtk/gtkmenu.h>
-#include <gtk/gtktogglebutton.h>
-#include <gtk/gtktreeselection.h>
-/*
-#include <gtk/gtktreeprivate.h>
-*/
-#include <gtk/gtkvseparator.h>
-#include <gtk/gtkwindow.h>
-#include <gtk/gtkversion.h>
-
-#include <gdk/gdkkeysyms.h>
-
-#include <gobject/gvaluecollector.h>
-
-#include <string.h>
-#include <stdarg.h>
-
-#define P_(x) (x)
-
-/* WELCOME, to THE house of evil code */
-
-typedef struct _ComboCellInfo ComboCellInfo;
-struct _ComboCellInfo
-{
- GtkCellRenderer *cell;
- GSList *attributes;
-
- GtkCellLayoutDataFunc func;
- gpointer func_data;
- GDestroyNotify destroy;
-
- guint expand : 1;
- guint pack : 1;
-};
-
-struct _GtkComboBoxPrivate
-{
- GtkTreeModel *model;
-
- gint col_column;
- gint row_column;
-
- gint wrap_width;
-
- gint active_item;
-
- GtkWidget *tree_view;
- GtkTreeViewColumn *column;
-
- GtkWidget *cell_view;
- GtkWidget *cell_view_frame;
-
- GtkWidget *button;
- GtkWidget *box;
- GtkWidget *arrow;
- GtkWidget *separator;
-
- GtkWidget *popup_widget;
- GtkWidget *popup_window;
- GtkWidget *popup_frame;
-
- guint inserted_id;
- guint deleted_id;
- guint reordered_id;
- guint changed_id;
-
- gint width;
- GSList *cells;
-
- guint popup_in_progress : 1;
- guint destroying : 1;
-};
-
-/* While debugging this evil code, I have learned that
- * there are actually 4 modes to this widget, which can
- * be characterized as follows
- *
- * 1) menu mode, no child added
- *
- * tree_view -> NULL
- * cell_view -> GtkCellView, regular child
- * cell_view_frame -> NULL
- * button -> GtkToggleButton set_parent to combo
- * box -> child of button
- * arrow -> child of box
- * separator -> child of box
- * popup_widget -> GtkMenu
- * popup_window -> NULL
- * popup_frame -> NULL
- *
- * 2) menu mode, child added
- *
- * tree_view -> NULL
- * cell_view -> NULL
- * cell_view_frame -> NULL
- * button -> GtkToggleButton set_parent to combo
- * box -> NULL
- * arrow -> GtkArrow, child of button
- * separator -> NULL
- * popup_widget -> GtkMenu
- * popup_window -> NULL
- * popup_frame -> NULL
- *
- * 3) list mode, no child added
- *
- * tree_view -> GtkTreeView, child of popup_frame
- * cell_view -> GtkCellView, regular child
- * cell_view_frame -> GtkFrame, set parent to combo
- * button -> GtkToggleButton, set_parent to combo
- * box -> NULL
- * arrow -> GtkArrow, child of button
- * separator -> NULL
- * popup_widget -> tree_view
- * popup_window -> GtkWindow
- * popup_frame -> GtkFrame, child of popup_window
- *
- * 4) list mode, child added
- *
- * tree_view -> GtkTreeView, child of popup_frame
- * cell_view -> NULL
- * cell_view_frame -> NULL
- * button -> GtkToggleButton, set_parent to combo
- * box -> NULL
- * arrow -> GtkArrow, child of button
- * separator -> NULL
- * popup_widget -> tree_view
- * popup_window -> GtkWindow
- * popup_frame -> GtkFrame, child of popup_window
- *
- */
-
-enum {
- CHANGED,
- LAST_SIGNAL
-};
-
-enum {
- PROP_0,
- PROP_MODEL,
- PROP_WRAP_WIDTH,
- PROP_ROW_SPAN_COLUMN,
- PROP_COLUMN_SPAN_COLUMN,
- PROP_ACTIVE
-};
-
-static GtkBinClass *parent_class = NULL;
-static guint combo_box_signals[LAST_SIGNAL] = {0,};
-
-#define BONUS_PADDING 4
-
-
-/* common */
-static void gtk_combo_box_class_init (GtkComboBoxClass *klass);
-static void gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface);
-static void gtk_combo_box_init (GtkComboBox *combo_box);
-static void gtk_combo_box_finalize (GObject *object);
-static void gtk_combo_box_destroy (GtkObject *object);
-
-static void gtk_combo_box_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *spec);
-static void gtk_combo_box_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *spec);
-
-static void gtk_combo_box_state_changed (GtkWidget *widget,
- GtkStateType previous);
-static void gtk_combo_box_style_set (GtkWidget *widget,
- GtkStyle *previous);
-static void gtk_combo_box_button_toggled (GtkWidget *widget,
- gpointer data);
-static void gtk_combo_box_add (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_combo_box_remove (GtkContainer *container,
- GtkWidget *widget);
-
-static ComboCellInfo *gtk_combo_box_get_cell_info (GtkComboBox *combo_box,
- GtkCellRenderer *cell);
-
-static void gtk_combo_box_menu_show (GtkWidget *menu,
- gpointer user_data);
-static void gtk_combo_box_menu_hide (GtkWidget *menu,
- gpointer user_data);
-
-static void gtk_combo_box_set_popup_widget (GtkComboBox *combo_box,
- GtkWidget *popup);
-#if GTK_CHECK_VERSION(2,2,0)
-static void gtk_combo_box_menu_position_below (GtkMenu *menu,
- gint *x,
- gint *y,
- gint *push_in,
- gpointer user_data);
-static void gtk_combo_box_menu_position_over (GtkMenu *menu,
- gint *x,
- gint *y,
- gint *push_in,
- gpointer user_data);
-static void gtk_combo_box_menu_position (GtkMenu *menu,
- gint *x,
- gint *y,
- gint *push_in,
- gpointer user_data);
-#endif
-
-static gint gtk_combo_box_calc_requested_width (GtkComboBox *combo_box,
- GtkTreePath *path);
-static void gtk_combo_box_remeasure (GtkComboBox *combo_box);
-
-static void gtk_combo_box_unset_model (GtkComboBox *combo_box);
-
-static void gtk_combo_box_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_combo_box_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_combo_box_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-static gboolean gtk_combo_box_expose_event (GtkWidget *widget,
- GdkEventExpose *event);
-static gboolean gtk_combo_box_scroll_event (GtkWidget *widget,
- GdkEventScroll *event);
-static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box,
- gint index);
-static gboolean gtk_combo_box_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data);
-
-/* listening to the model */
-static void gtk_combo_box_model_row_inserted (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data);
-static void gtk_combo_box_model_row_deleted (GtkTreeModel *model,
- GtkTreePath *path,
- gpointer user_data);
-static void gtk_combo_box_model_rows_reordered (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gint *new_order,
- gpointer user_data);
-static void gtk_combo_box_model_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer data);
-
-/* list */
-static void gtk_combo_box_list_position (GtkComboBox *combo_box,
- gint *x,
- gint *y,
- gint *width,
- gint *height);
-
-static void gtk_combo_box_list_setup (GtkComboBox *combo_box);
-static void gtk_combo_box_list_destroy (GtkComboBox *combo_box);
-
-static void gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box);
-
-static gboolean gtk_combo_box_list_button_released (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data);
-static gboolean gtk_combo_box_list_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data);
-static gboolean gtk_combo_box_list_button_pressed (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data);
-
-static void gtk_combo_box_list_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer data);
-
-/* menu */
-static void gtk_combo_box_menu_setup (GtkComboBox *combo_box,
- gboolean add_children);
-static void gtk_combo_box_menu_fill (GtkComboBox *combo_box);
-static void gtk_combo_box_menu_destroy (GtkComboBox *combo_box);
-
-static void gtk_combo_box_item_get_size (GtkComboBox *combo_box,
- gint index,
- gint *cols,
- gint *rows);
-static void gtk_combo_box_relayout_item (GtkComboBox *combo_box,
- gint index);
-static void gtk_combo_box_relayout (GtkComboBox *combo_box);
-
-static gboolean gtk_combo_box_menu_button_press (GtkWidget *widget,
- GdkEventButton *event,
- gpointer user_data);
-static void gtk_combo_box_menu_item_activate (GtkWidget *item,
- gpointer user_data);
-static void gtk_combo_box_menu_row_inserted (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data);
-static void gtk_combo_box_menu_row_deleted (GtkTreeModel *model,
- GtkTreePath *path,
- gpointer user_data);
-static void gtk_combo_box_menu_rows_reordered (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gint *new_order,
- gpointer user_data);
-static void gtk_combo_box_menu_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer data);
-static gboolean gtk_combo_box_menu_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data);
-
-/* cell layout */
-static void gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gboolean expand);
-static void gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gboolean expand);
-static void gtk_combo_box_cell_layout_clear (GtkCellLayout *layout);
-static void gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- const gchar *attribute,
- gint column);
-static void gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- GtkCellLayoutDataFunc func,
- gpointer func_data,
- GDestroyNotify destroy);
-static void gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout,
- GtkCellRenderer *cell);
-static void gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gint position);
-static gboolean gtk_combo_box_mnemonic_activate (GtkWidget *widget,
- gboolean group_cycling);
-
-static void cell_view_sync_cells (GtkComboBox *combo_box,
- GtkCellView *cell_view);
-
-#if !GTK_CHECK_VERSION(2,4,0)
-static void gtk_menu_attach (GtkMenu *menu,
- GtkWidget *child,
- guint left_attach,
- guint right_attach,
- guint top_attach,
- guint bottom_attach);
-#endif
-
-GType
-gtk_combo_box_get_type (void)
-{
- static GType combo_box_type = 0;
-
- if (!combo_box_type)
- {
- static const GTypeInfo combo_box_info =
- {
- sizeof (GtkComboBoxClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_combo_box_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkComboBox),
- 0,
- (GInstanceInitFunc) gtk_combo_box_init
- };
-
- static const GInterfaceInfo cell_layout_info =
- {
- (GInterfaceInitFunc) gtk_combo_box_cell_layout_init,
- NULL,
- NULL
- };
-
- combo_box_type = g_type_register_static (GTK_TYPE_BIN,
- "PidginComboBox",
- &combo_box_info,
- 0);
-
- g_type_add_interface_static (combo_box_type,
- GTK_TYPE_CELL_LAYOUT,
- &cell_layout_info);
- }
-
- return combo_box_type;
-}
-
-/* common */
-static void
-gtk_combo_box_class_init (GtkComboBoxClass *klass)
-{
- GObjectClass *object_class;
- GtkBindingSet *binding_set;
- GtkObjectClass *gtk_object_class;
- GtkContainerClass *container_class;
- GtkWidgetClass *widget_class;
-
- binding_set = gtk_binding_set_by_class (klass);
-
- container_class = (GtkContainerClass *)klass;
- container_class->forall = gtk_combo_box_forall;
- container_class->add = gtk_combo_box_add;
- container_class->remove = gtk_combo_box_remove;
-
- widget_class = (GtkWidgetClass *)klass;
- widget_class->size_allocate = gtk_combo_box_size_allocate;
- widget_class->size_request = gtk_combo_box_size_request;
- widget_class->expose_event = gtk_combo_box_expose_event;
- widget_class->scroll_event = gtk_combo_box_scroll_event;
- widget_class->mnemonic_activate = gtk_combo_box_mnemonic_activate;
- widget_class->style_set = gtk_combo_box_style_set;
- widget_class->state_changed = gtk_combo_box_state_changed;
-
- gtk_object_class = (GtkObjectClass *)klass;
- gtk_object_class->destroy = gtk_combo_box_destroy;
-
- object_class = (GObjectClass *)klass;
- object_class->finalize = gtk_combo_box_finalize;
- object_class->set_property = gtk_combo_box_set_property;
- object_class->get_property = gtk_combo_box_get_property;
-
- parent_class = g_type_class_peek_parent (klass);
-
- /* signals */
- combo_box_signals[CHANGED] =
- g_signal_new ("changed",
- G_OBJECT_CLASS_TYPE (klass),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GtkComboBoxClass, changed),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-
- /* properties */
- g_object_class_install_property (object_class,
- PROP_MODEL,
- g_param_spec_object ("model",
- P_("ComboBox model"),
- P_("The model for the combo box"),
- GTK_TYPE_TREE_MODEL,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_WRAP_WIDTH,
- g_param_spec_int ("wrap_width",
- P_("Wrap width"),
- P_("Wrap width for layouting the items in a grid"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_ROW_SPAN_COLUMN,
- g_param_spec_int ("row_span_column",
- P_("Row span column"),
- P_("TreeModel column containing the row span values"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_COLUMN_SPAN_COLUMN,
- g_param_spec_int ("column_span_column",
- P_("Column span column"),
-
- P_("TreeModel column containing the column span values"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_ACTIVE,
- g_param_spec_int ("active",
- P_("Active item"),
- P_("The item which is currently active"),
- -1,
- G_MAXINT,
- -1,
- G_PARAM_READWRITE));
-
- gtk_widget_class_install_style_property (widget_class,
- g_param_spec_boolean ("appears-as-list",
- P_("Appears as list"),
- P_("Whether combobox dropdowns should look like lists rather than menus"),
- FALSE,
- G_PARAM_READABLE));
-}
-
-static void
-gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface)
-{
- iface->pack_start = gtk_combo_box_cell_layout_pack_start;
- iface->pack_end = gtk_combo_box_cell_layout_pack_end;
- iface->clear = gtk_combo_box_cell_layout_clear;
- iface->add_attribute = gtk_combo_box_cell_layout_add_attribute;
- iface->set_cell_data_func = gtk_combo_box_cell_layout_set_cell_data_func;
- iface->clear_attributes = gtk_combo_box_cell_layout_clear_attributes;
- iface->reorder = gtk_combo_box_cell_layout_reorder;
-}
-
-static void
-gtk_combo_box_init (GtkComboBox *combo_box)
-{
- combo_box->priv = g_new0(GtkComboBoxPrivate,1);
-
- combo_box->priv->cell_view = gtk_cell_view_new ();
- gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (combo_box));
- GTK_BIN (combo_box)->child = combo_box->priv->cell_view;
- gtk_widget_show (combo_box->priv->cell_view);
-
- combo_box->priv->width = 0;
- combo_box->priv->wrap_width = 0;
-
- combo_box->priv->active_item = -1;
- combo_box->priv->col_column = -1;
- combo_box->priv->row_column = -1;
-}
-
-static void
-gtk_combo_box_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (object);
-
- switch (prop_id)
- {
- case PROP_MODEL:
- gtk_combo_box_set_model (combo_box, g_value_get_object (value));
- break;
-
- case PROP_WRAP_WIDTH:
- gtk_combo_box_set_wrap_width (combo_box, g_value_get_int (value));
- break;
-
- case PROP_ROW_SPAN_COLUMN:
- gtk_combo_box_set_row_span_column (combo_box, g_value_get_int (value));
- break;
-
- case PROP_COLUMN_SPAN_COLUMN:
- gtk_combo_box_set_column_span_column (combo_box, g_value_get_int (value));
- break;
-
- case PROP_ACTIVE:
- gtk_combo_box_set_active (combo_box, g_value_get_int (value));
- break;
-
- default:
- break;
- }
-}
-
-static void
-gtk_combo_box_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (object);
-
- switch (prop_id)
- {
- case PROP_MODEL:
- g_value_set_object (value, combo_box->priv->model);
- break;
-
- case PROP_WRAP_WIDTH:
- g_value_set_int (value, combo_box->priv->wrap_width);
- break;
-
- case PROP_ROW_SPAN_COLUMN:
- g_value_set_int (value, combo_box->priv->row_column);
- break;
-
- case PROP_COLUMN_SPAN_COLUMN:
- g_value_set_int (value, combo_box->priv->col_column);
- break;
-
- case PROP_ACTIVE:
- g_value_set_int (value, gtk_combo_box_get_active (combo_box));
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gtk_combo_box_state_changed (GtkWidget *widget,
- GtkStateType previous)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
-
- if (GTK_WIDGET_REALIZED (widget))
- {
- if (combo_box->priv->tree_view && combo_box->priv->cell_view)
- gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view),
- &widget->style->base[GTK_WIDGET_STATE (widget)]);
- }
-
- gtk_widget_queue_draw (widget);
-}
-
-static void
-gtk_combo_box_check_appearance (GtkComboBox *combo_box)
-{
- gboolean appears_as_list;
-
- /* if wrap_width > 0, then we are in grid-mode and forced to use
- * unix style
- */
- if (combo_box->priv->wrap_width)
- appears_as_list = FALSE;
- else
- gtk_widget_style_get (GTK_WIDGET (combo_box),
- "appears-as-list", &appears_as_list,
- NULL);
-
- if (appears_as_list)
- {
- /* Destroy all the menu mode widgets, if they exist. */
- if (GTK_IS_MENU (combo_box->priv->popup_widget))
- gtk_combo_box_menu_destroy (combo_box);
-
- /* Create the list mode widgets, if they don't already exist. */
- if (!GTK_IS_TREE_VIEW (combo_box->priv->tree_view))
- gtk_combo_box_list_setup (combo_box);
- }
- else
- {
- /* Destroy all the list mode widgets, if they exist. */
- if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view))
- gtk_combo_box_list_destroy (combo_box);
-
- /* Create the menu mode widgets, if they don't already exist. */
- if (!GTK_IS_MENU (combo_box->priv->popup_widget))
- gtk_combo_box_menu_setup (combo_box, TRUE);
- }
-}
-
-static void
-gtk_combo_box_style_set (GtkWidget *widget,
- GtkStyle *previous)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
-
- gtk_combo_box_check_appearance (combo_box);
-
- if (combo_box->priv->tree_view && combo_box->priv->cell_view)
- gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view),
- &widget->style->base[GTK_WIDGET_STATE (widget)]);
-}
-
-static void
-gtk_combo_box_button_toggled (GtkWidget *widget,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
- {
- if (!combo_box->priv->popup_in_progress)
- gtk_combo_box_popup (combo_box);
- }
- else
- gtk_combo_box_popdown (combo_box);
-}
-
-static void
-gtk_combo_box_add (GtkContainer *container,
- GtkWidget *widget)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (container);
-
- if (combo_box->priv->cell_view && combo_box->priv->cell_view->parent)
- {
- gtk_widget_unparent (combo_box->priv->cell_view);
- GTK_BIN (container)->child = NULL;
- gtk_widget_queue_resize (GTK_WIDGET (container));
- }
-
- gtk_widget_set_parent (widget, GTK_WIDGET (container));
- GTK_BIN (container)->child = widget;
-
- if (combo_box->priv->cell_view &&
- widget != combo_box->priv->cell_view)
- {
- /* since the cell_view was unparented, it's gone now */
- combo_box->priv->cell_view = NULL;
-
- if (!combo_box->priv->tree_view && combo_box->priv->separator)
- {
- gtk_container_remove (GTK_CONTAINER (combo_box->priv->separator->parent),
- combo_box->priv->separator);
- combo_box->priv->separator = NULL;
-
- gtk_widget_queue_resize (GTK_WIDGET (container));
- }
- else if (combo_box->priv->cell_view_frame)
- {
- gtk_widget_unparent (combo_box->priv->cell_view_frame);
- combo_box->priv->cell_view_frame = NULL;
- }
- }
-}
-
-static void
-gtk_combo_box_remove (GtkContainer *container,
- GtkWidget *widget)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (container);
- gboolean appears_as_list;
-
- gtk_widget_unparent (widget);
- GTK_BIN (container)->child = NULL;
-
- if (combo_box->priv->destroying)
- return;
-
- gtk_widget_queue_resize (GTK_WIDGET (container));
-
- if (!combo_box->priv->tree_view)
- appears_as_list = FALSE;
- else
- appears_as_list = TRUE;
-
- if (appears_as_list)
- gtk_combo_box_list_destroy (combo_box);
- else if (GTK_IS_MENU (combo_box->priv->popup_widget))
- {
- gtk_combo_box_menu_destroy (combo_box);
- gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget));
- combo_box->priv->popup_widget = NULL;
- }
-
- if (!combo_box->priv->cell_view)
- {
- combo_box->priv->cell_view = gtk_cell_view_new ();
- gtk_widget_set_parent (combo_box->priv->cell_view, GTK_WIDGET (container));
- GTK_BIN (container)->child = combo_box->priv->cell_view;
-
- gtk_widget_show (combo_box->priv->cell_view);
- gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view),
- combo_box->priv->model);
- cell_view_sync_cells (combo_box, GTK_CELL_VIEW (combo_box->priv->cell_view));
- }
-
-
- if (appears_as_list)
- gtk_combo_box_list_setup (combo_box);
- else
- gtk_combo_box_menu_setup (combo_box, TRUE);
-
- gtk_combo_box_set_active_internal (combo_box, combo_box->priv->active_item);
-}
-
-static ComboCellInfo *
-gtk_combo_box_get_cell_info (GtkComboBox *combo_box,
- GtkCellRenderer *cell)
-{
- GSList *i;
-
- for (i = combo_box->priv->cells; i; i = i->next)
- {
- ComboCellInfo *info = (ComboCellInfo *)i->data;
-
- if (info && info->cell == cell)
- return info;
- }
-
- return NULL;
-}
-
-static void
-gtk_combo_box_menu_show (GtkWidget *menu,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
- TRUE);
- combo_box->priv->popup_in_progress = FALSE;
-}
-
-static void
-gtk_combo_box_menu_hide (GtkWidget *menu,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
- FALSE);
-}
-
-static void
-gtk_combo_box_detacher (GtkWidget *widget,
- GtkMenu *menu)
-{
- GtkComboBox *combo_box;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (widget));
-
- combo_box = GTK_COMBO_BOX (widget);
- g_return_if_fail (combo_box->priv->popup_widget == (GtkWidget*) menu);
-
- g_signal_handlers_disconnect_by_func (menu,
- gtk_combo_box_menu_show,
- combo_box);
- g_signal_handlers_disconnect_by_func (menu,
- gtk_combo_box_menu_hide,
- combo_box);
-
- combo_box->priv->popup_widget = NULL;
-}
-
-static void
-gtk_combo_box_set_popup_widget (GtkComboBox *combo_box,
- GtkWidget *popup)
-{
- if (GTK_IS_MENU (combo_box->priv->popup_widget))
- {
- gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget));
- combo_box->priv->popup_widget = NULL;
- }
- else if (combo_box->priv->popup_widget)
- {
- gtk_container_remove (GTK_CONTAINER (combo_box->priv->popup_frame),
- combo_box->priv->popup_widget);
- g_object_unref (G_OBJECT (combo_box->priv->popup_widget));
- combo_box->priv->popup_widget = NULL;
- }
-
- if (GTK_IS_MENU (popup))
- {
- if (combo_box->priv->popup_window)
- {
- gtk_widget_destroy (combo_box->priv->popup_window);
- combo_box->priv->popup_window = NULL;
- combo_box->priv->popup_frame = NULL;
- }
-
- combo_box->priv->popup_widget = popup;
-
- g_signal_connect (popup, "show",
- G_CALLBACK (gtk_combo_box_menu_show), combo_box);
- g_signal_connect (popup, "hide",
- G_CALLBACK (gtk_combo_box_menu_hide), combo_box);
-
- gtk_menu_attach_to_widget (GTK_MENU (popup),
- GTK_WIDGET (combo_box),
- gtk_combo_box_detacher);
- }
- else
- {
- if (!combo_box->priv->popup_window)
- {
- combo_box->priv->popup_window = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_window_set_resizable (GTK_WINDOW (combo_box->priv->popup_window), FALSE);
-#if GTK_CHECK_VERSION(2,2,0)
- gtk_window_set_screen (GTK_WINDOW (combo_box->priv->popup_window),
- gtk_widget_get_screen (GTK_WIDGET (combo_box)));
-#endif
-
- combo_box->priv->popup_frame = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->popup_frame),
- GTK_SHADOW_ETCHED_IN);
- gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_window),
- combo_box->priv->popup_frame);
-
- gtk_widget_show (combo_box->priv->popup_frame);
- }
-
- gtk_container_add (GTK_CONTAINER (combo_box->priv->popup_frame),
- popup);
- gtk_widget_show (popup);
- g_object_ref (G_OBJECT (popup));
- combo_box->priv->popup_widget = popup;
- }
-}
-
-#if GTK_CHECK_VERSION(2,2,0)
-static void
-gtk_combo_box_menu_position_below (GtkMenu *menu,
- gint *x,
- gint *y,
- gint *push_in,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint sx, sy;
- GtkWidget *child;
- GtkRequisition req;
- GdkScreen *screen;
- gint monitor_num;
- GdkRectangle monitor;
-
- /* FIXME: is using the size request here broken? */
- child = GTK_BIN (combo_box)->child;
-
- gdk_window_get_origin (child->window, &sx, &sy);
-
- if (GTK_WIDGET_NO_WINDOW (child))
- {
- sx += child->allocation.x;
- sy += child->allocation.y;
- }
-
- gtk_widget_size_request (GTK_WIDGET (menu), &req);
-
- if (gtk_widget_get_direction (GTK_WIDGET (combo_box)) == GTK_TEXT_DIR_LTR)
- *x = sx;
- else
- *x = sx + child->allocation.width - req.width;
- *y = sy;
-
- screen = gtk_widget_get_screen (GTK_WIDGET (combo_box));
- monitor_num = gdk_screen_get_monitor_at_window (screen,
- GTK_WIDGET (combo_box)->window);
- gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
-
- if (*x < monitor.x)
- *x = monitor.x;
- else if (*x + req.width > monitor.x + monitor.width)
- *x = monitor.x + monitor.width - req.width;
-
- if (monitor.y + monitor.height - *y - child->allocation.height >= req.height)
- *y += child->allocation.height;
- else if (*y - monitor.y >= req.height)
- *y -= req.height;
- else if (monitor.y + monitor.height - *y - child->allocation.height > *y - monitor.y)
- *y += child->allocation.height;
- else
- *y -= req.height;
-
- *push_in = FALSE;
-}
-
-static void
-gtk_combo_box_menu_position_over (GtkMenu *menu,
- gint *x,
- gint *y,
- gboolean *push_in,
- gpointer user_data)
-{
- GtkComboBox *combo_box;
- GtkWidget *active;
- GtkWidget *child;
- GtkWidget *widget;
- GtkRequisition requisition;
- GList *children;
- gint screen_width;
- gint menu_xpos;
- gint menu_ypos;
- gint menu_width;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (user_data));
-
- combo_box = GTK_COMBO_BOX (user_data);
- widget = GTK_WIDGET (combo_box);
-
- gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition);
- menu_width = requisition.width;
-
- active = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget));
- gdk_window_get_origin (widget->window, &menu_xpos, &menu_ypos);
-
- menu_xpos += widget->allocation.x;
- menu_ypos += widget->allocation.y + widget->allocation.height / 2 - 2;
-
- if (active != NULL)
- {
- gtk_widget_get_child_requisition (active, &requisition);
- menu_ypos -= requisition.height / 2;
- }
-
- children = GTK_MENU_SHELL (combo_box->priv->popup_widget)->children;
- while (children)
- {
- child = children->data;
-
- if (active == child)
- break;
-
- if (GTK_WIDGET_VISIBLE (child))
- {
- gtk_widget_get_child_requisition (child, &requisition);
- menu_ypos -= requisition.height;
- }
-
- children = children->next;
- }
-
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
- menu_xpos = menu_xpos + widget->allocation.width - menu_width;
-
- /* Clamp the position on screen */
- screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget));
-
- if (menu_xpos < 0)
- menu_xpos = 0;
- else if ((menu_xpos + menu_width) > screen_width)
- menu_xpos -= ((menu_xpos + menu_width) - screen_width);
-
- *x = menu_xpos;
- *y = menu_ypos;
-
- *push_in = TRUE;
-}
-
-static void
-gtk_combo_box_menu_position (GtkMenu *menu,
- gint *x,
- gint *y,
- gint *push_in,
- gpointer user_data)
-{
- GtkComboBox *combo_box;
- GtkWidget *menu_item;
-
- combo_box = GTK_COMBO_BOX (user_data);
-
- if (combo_box->priv->wrap_width > 0 || combo_box->priv->cell_view == NULL)
- gtk_combo_box_menu_position_below (menu, x, y, push_in, user_data);
- else
- {
- menu_item = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget));
- if (menu_item)
- gtk_menu_shell_select_item (GTK_MENU_SHELL (combo_box->priv->popup_widget),
- menu_item);
-
- gtk_combo_box_menu_position_over (menu, x, y, push_in, user_data);
- }
-
-}
-#endif /* Gtk 2.2 */
-
-static void
-gtk_combo_box_list_position (GtkComboBox *combo_box,
- gint *x,
- gint *y,
- gint *width,
- gint *height)
-{
- GtkWidget *sample;
- GtkRequisition popup_req;
-#if GTK_CHECK_VERSION(2,2,0)
- GdkScreen *screen;
- gint monitor_num;
- GdkRectangle monitor;
-#endif
-
- sample = GTK_BIN (combo_box)->child;
-
- *width = sample->allocation.width;
- gtk_widget_size_request (combo_box->priv->popup_window, &popup_req);
- *height = popup_req.height;
-
- gdk_window_get_origin (sample->window, x, y);
-
- if (combo_box->priv->cell_view_frame)
- {
- *x -= GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness;
- *width += 2 * (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness);
- }
-
- if (GTK_WIDGET_NO_WINDOW (sample))
- {
- *x += sample->allocation.x;
- *y += sample->allocation.y;
- }
-
-#if GTK_CHECK_VERSION(2,2,0)
- screen = gtk_widget_get_screen (GTK_WIDGET (combo_box));
- monitor_num = gdk_screen_get_monitor_at_window (screen,
- GTK_WIDGET (combo_box)->window);
- gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
-
- if (*x < monitor.x)
- *x = monitor.x;
- else if (*x + *width > monitor.x + monitor.width)
- *x = monitor.x + monitor.width - *width;
-
- if (*y + sample->allocation.height + *height <= monitor.y + monitor.height)
- *y += sample->allocation.height;
- else
- *y -= *height;
-#endif /* Gtk 2.2 */
-}
-
-/**
- * gtk_combo_box_popup:
- * @combo_box: a #GtkComboBox
- *
- * Pops up the menu or dropdown list of @combo_box.
- *
- * This function is mostly intended for use by accessibility technologies;
- * applications should have little use for it.
- *
- * Since: 2.4
- **/
-void
-gtk_combo_box_popup (GtkComboBox *combo_box)
-{
- gint x, y, width, height;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- if (GTK_WIDGET_MAPPED (combo_box->priv->popup_widget))
- return;
-
- if (GTK_IS_MENU (combo_box->priv->popup_widget))
- {
- gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget),
- combo_box->priv->active_item);
-
- if (combo_box->priv->wrap_width == 0)
- {
- GtkRequisition requisition;
-
- width = GTK_WIDGET (combo_box)->allocation.width;
- gtk_widget_size_request (combo_box->priv->popup_widget, &requisition);
-
- gtk_widget_set_size_request (combo_box->priv->popup_widget,
- MAX (width, requisition.width), -1);
- }
-
- gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget),
- NULL, NULL,
-#if GTK_CHECK_VERSION(2,2,0)
- gtk_combo_box_menu_position,
-#else
- NULL,
-#endif
- combo_box, 0, 0);
- return;
- }
-
- gtk_widget_show_all (combo_box->priv->popup_frame);
- gtk_combo_box_list_position (combo_box, &x, &y, &width, &height);
-
- gtk_widget_set_size_request (combo_box->priv->popup_window, width, -1);
- gtk_window_move (GTK_WINDOW (combo_box->priv->popup_window), x, y);
-
- /* popup */
- gtk_widget_show (combo_box->priv->popup_window);
-
- gtk_widget_grab_focus (combo_box->priv->popup_window);
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
- TRUE);
-
- if (!GTK_WIDGET_HAS_FOCUS (combo_box->priv->tree_view))
- {
- gdk_keyboard_grab (combo_box->priv->popup_window->window,
- FALSE, GDK_CURRENT_TIME);
- gtk_widget_grab_focus (combo_box->priv->tree_view);
- }
-
- gtk_grab_add (combo_box->priv->popup_window);
- gdk_pointer_grab (combo_box->priv->popup_window->window, TRUE,
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_MASK,
- NULL, NULL, GDK_CURRENT_TIME);
-
- gtk_grab_add (combo_box->priv->tree_view);
-}
-
-/**
- * gtk_combo_box_popdown:
- * @combo_box: a #GtkComboBox
- *
- * Hides the menu or dropdown list of @combo_box.
- *
- * This function is mostly intended for use by accessibility technologies;
- * applications should have little use for it.
- *
- * Since: 2.4
- **/
-void
-gtk_combo_box_popdown (GtkComboBox *combo_box)
-{
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- if (!GTK_WIDGET_REALIZED (GTK_WIDGET (combo_box)))
- return;
-
- if (GTK_IS_MENU (combo_box->priv->popup_widget))
- {
- gtk_menu_popdown (GTK_MENU (combo_box->priv->popup_widget));
- return;
- }
-
- gtk_combo_box_list_remove_grabs (combo_box);
- gtk_widget_hide_all (combo_box->priv->popup_window);
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
- FALSE);
-}
-
-static gint
-gtk_combo_box_calc_requested_width (GtkComboBox *combo_box,
- GtkTreePath *path)
-{
- gint padding;
- GtkRequisition req;
-
- if (combo_box->priv->cell_view)
- gtk_widget_style_get (combo_box->priv->cell_view,
- "focus-line-width", &padding,
- NULL);
- else
- padding = 0;
-
- /* add some pixels for good measure */
- padding += BONUS_PADDING;
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view),
- path, &req);
- else
- req.width = 0;
-
- return req.width + padding;
-}
-
-static void
-gtk_combo_box_remeasure (GtkComboBox *combo_box)
-{
- GtkTreeIter iter;
- GtkTreePath *path;
- gint padding = 0;
-
- if (!combo_box->priv->model ||
- !gtk_tree_model_get_iter_first (combo_box->priv->model, &iter))
- return;
-
- combo_box->priv->width = 0;
-
-#if GTK_CHECK_VERSION(2,2,0)
- path = gtk_tree_path_new_from_indices (0, -1);
-#else
- path = gtk_tree_path_new_first();
-#endif
-
- if (combo_box->priv->cell_view)
- gtk_widget_style_get (combo_box->priv->cell_view,
- "focus-line-width", &padding,
- NULL);
- else
- padding = 0;
-
- /* add some pixels for good measure */
- padding += BONUS_PADDING;
-
- do
- {
- GtkRequisition req;
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (combo_box->priv->cell_view),
- path, &req);
- else
- req.width = 0;
-
- combo_box->priv->width = MAX (combo_box->priv->width,
- req.width + padding);
-
- gtk_tree_path_next (path);
- }
- while (gtk_tree_model_iter_next (combo_box->priv->model, &iter));
-
- gtk_tree_path_free (path);
-}
-
-static void
-gtk_combo_box_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- gint width, height;
- GtkRequisition bin_req;
-
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
-
- /* common */
- gtk_widget_size_request (GTK_BIN (widget)->child, &bin_req);
- gtk_combo_box_remeasure (combo_box);
- bin_req.width = MAX (bin_req.width, combo_box->priv->width);
-
- gtk_combo_box_check_appearance (combo_box);
-
- if (!combo_box->priv->tree_view)
- {
- /* menu mode */
-
- if (combo_box->priv->cell_view)
- {
- GtkRequisition button_req, sep_req, arrow_req;
- gint border_width, xthickness, ythickness;
-
- gtk_widget_size_request (combo_box->priv->button, &button_req);
- border_width = GTK_CONTAINER (combo_box->priv->button)->border_width;
- xthickness = combo_box->priv->button->style->xthickness;
- ythickness = combo_box->priv->button->style->ythickness;
-
- bin_req.width = MAX (bin_req.width, combo_box->priv->width);
-
- gtk_widget_size_request (combo_box->priv->separator, &sep_req);
- gtk_widget_size_request (combo_box->priv->arrow, &arrow_req);
-
- height = MAX (sep_req.height, arrow_req.height);
- height = MAX (height, bin_req.height);
-
- width = bin_req.width + sep_req.width + arrow_req.width;
-
- height += border_width + 1 + ythickness * 2 + 4;
- width += border_width + 1 + xthickness * 2 + 4;
-
- requisition->width = width;
- requisition->height = height;
- }
- else
- {
- GtkRequisition but_req;
-
- gtk_widget_size_request (combo_box->priv->button, &but_req);
-
- requisition->width = bin_req.width + but_req.width;
- requisition->height = MAX (bin_req.height, but_req.height);
- }
- }
- else
- {
- /* list mode */
- GtkRequisition button_req, frame_req;
-
- /* sample + frame */
- *requisition = bin_req;
-
- if (combo_box->priv->cell_view_frame)
- {
- gtk_widget_size_request (combo_box->priv->cell_view_frame, &frame_req);
- requisition->width += 2 *
- (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness);
- requisition->height += 2 *
- (GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness);
- }
-
- /* the button */
- gtk_widget_size_request (combo_box->priv->button, &button_req);
-
- requisition->height = MAX (requisition->height, button_req.height);
- requisition->width += button_req.width;
- }
-}
-
-static void
-gtk_combo_box_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
- GtkAllocation child;
- GtkRequisition req;
- gboolean is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
-
- widget->allocation = *allocation;
-
- gtk_combo_box_check_appearance (combo_box);
-
- if (!combo_box->priv->tree_view)
- {
- if (combo_box->priv->cell_view)
- {
- gint border_width, xthickness, ythickness;
- gint width;
-
- /* menu mode */
- gtk_widget_size_allocate (combo_box->priv->button, allocation);
-
- /* set some things ready */
- border_width = GTK_CONTAINER (combo_box->priv->button)->border_width;
- xthickness = combo_box->priv->button->style->xthickness;
- ythickness = combo_box->priv->button->style->ythickness;
-
- child.x = allocation->x + border_width + 1 + xthickness + 2;
- child.y = allocation->y + border_width + 1 + ythickness + 2;
-
- width = MAX(1, allocation->width - (border_width + 1 + xthickness * 2 + 4));
-
- /* handle the children */
- gtk_widget_size_request (combo_box->priv->arrow, &req);
- child.width = req.width;
- child.height = MAX(1, allocation->height - 2 * (child.y - allocation->y));
- if (!is_rtl)
- child.x += width - req.width;
- gtk_widget_size_allocate (combo_box->priv->arrow, &child);
- if (is_rtl)
- child.x += req.width;
- gtk_widget_size_request (combo_box->priv->separator, &req);
- child.width = req.width;
- if (!is_rtl)
- child.x -= req.width;
- gtk_widget_size_allocate (combo_box->priv->separator, &child);
-
- if (is_rtl)
- {
- child.x += req.width;
- child.width = MAX(1, allocation->x + allocation->width
- - (border_width + 1 + xthickness + 2) - child.x);
- }
- else
- {
- child.width = child.x;
- child.x = allocation->x + border_width + 1 + xthickness + 2;
- child.width = MAX(1, child.width - child.x);
- }
-
- gtk_widget_size_allocate (GTK_BIN (widget)->child, &child);
- }
- else
- {
- gtk_widget_size_request (combo_box->priv->button, &req);
- if (is_rtl)
- child.x = allocation->x;
- else
- child.x = allocation->x + allocation->width - req.width;
- child.y = allocation->y;
- child.width = req.width;
- child.height = allocation->height;
- gtk_widget_size_allocate (combo_box->priv->button, &child);
-
- if (is_rtl)
- child.x = allocation->x + req.width;
- else
- child.x = allocation->x;
- child.y = allocation->y;
- child.width = MAX(1, allocation->width - req.width);
- gtk_widget_size_allocate (GTK_BIN (widget)->child, &child);
- }
- }
- else
- {
- /* list mode */
-
- /* button */
- gtk_widget_size_request (combo_box->priv->button, &req);
- if (is_rtl)
- child.x = allocation->x;
- else
- child.x = allocation->x + allocation->width - req.width;
- child.y = allocation->y;
- child.width = req.width;
- child.height = allocation->height;
- gtk_widget_size_allocate (combo_box->priv->button, &child);
-
- /* frame */
- if (is_rtl)
- child.x = allocation->x + req.width;
- else
- child.x = allocation->x;
- child.y = allocation->y;
- child.width = MAX (1, allocation->width - req.width);
- child.height = allocation->height;
-
- if (combo_box->priv->cell_view_frame)
- {
- gtk_widget_size_allocate (combo_box->priv->cell_view_frame, &child);
-
- /* the sample */
- child.x +=
- GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness;
- child.y +=
- GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness;
- child.width -= 2 * (
- GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->xthickness);
- child.width = MAX(1,child.width);
- child.height -= 2 * (
- GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
- GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness);
- child.height = MAX(1,child.height);
- }
-
- gtk_widget_size_allocate (GTK_BIN (combo_box)->child, &child);
- }
-}
-
-static void
-gtk_combo_box_unset_model (GtkComboBox *combo_box)
-{
- if (combo_box->priv->model)
- {
- g_signal_handler_disconnect (combo_box->priv->model,
- combo_box->priv->inserted_id);
- g_signal_handler_disconnect (combo_box->priv->model,
- combo_box->priv->deleted_id);
- g_signal_handler_disconnect (combo_box->priv->model,
- combo_box->priv->reordered_id);
- g_signal_handler_disconnect (combo_box->priv->model,
- combo_box->priv->changed_id);
- }
-
- /* menu mode */
- if (!combo_box->priv->tree_view)
- {
- if (combo_box->priv->popup_widget)
- gtk_container_foreach (GTK_CONTAINER (combo_box->priv->popup_widget),
- (GtkCallback)gtk_widget_destroy, NULL);
- }
-
- if (combo_box->priv->model)
- {
- g_object_unref (G_OBJECT (combo_box->priv->model));
- combo_box->priv->model = NULL;
- }
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL);
-}
-
-static void
-gtk_combo_box_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (container);
-
- if (include_internals)
- {
- if (combo_box->priv->button)
- (* callback) (combo_box->priv->button, callback_data);
- if (combo_box->priv->cell_view_frame)
- (* callback) (combo_box->priv->cell_view_frame, callback_data);
- }
-
- if (GTK_BIN (container)->child)
- (* callback) (GTK_BIN (container)->child, callback_data);
-}
-
-static gboolean
-gtk_combo_box_expose_event (GtkWidget *widget,
- GdkEventExpose *event)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
-
- if (!combo_box->priv->tree_view)
- {
- gtk_container_propagate_expose (GTK_CONTAINER (widget),
- combo_box->priv->button, event);
- }
- else
- {
- gtk_container_propagate_expose (GTK_CONTAINER (widget),
- combo_box->priv->button, event);
-
- if (combo_box->priv->cell_view_frame)
- gtk_container_propagate_expose (GTK_CONTAINER (widget),
- combo_box->priv->cell_view_frame, event);
- }
-
- gtk_container_propagate_expose (GTK_CONTAINER (widget),
- GTK_BIN (widget)->child, event);
-
- return FALSE;
-}
-
-static gboolean
-gtk_combo_box_scroll_event (GtkWidget *widget,
- GdkEventScroll *event)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
- gint index;
- gint items;
-
- index = gtk_combo_box_get_active (combo_box);
-
- if (index != -1)
- {
- items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL);
-
- if (event->direction == GDK_SCROLL_UP)
- index--;
- else
- index++;
-
- gtk_combo_box_set_active (combo_box, CLAMP (index, 0, items - 1));
- }
-
- return TRUE;
-}
-
-/*
- * menu style
- */
-
-static void
-cell_view_sync_cells (GtkComboBox *combo_box,
- GtkCellView *cell_view)
-{
- GSList *k;
-
- for (k = combo_box->priv->cells; k; k = k->next)
- {
- GSList *j;
- ComboCellInfo *info = (ComboCellInfo *)k->data;
-
- if (info->pack == GTK_PACK_START)
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cell_view),
- info->cell, info->expand);
- else if (info->pack == GTK_PACK_END)
- gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (cell_view),
- info->cell, info->expand);
-
- gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (cell_view),
- info->cell,
- info->func, info->func_data, NULL);
-
- for (j = info->attributes; j; j = j->next->next)
- {
- gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (cell_view),
- info->cell,
- j->data,
- GPOINTER_TO_INT (j->next->data));
- }
- }
-}
-
-static void
-gtk_combo_box_menu_setup (GtkComboBox *combo_box,
- gboolean add_children)
-{
- GtkWidget *menu;
-
- if (combo_box->priv->cell_view)
- {
- combo_box->priv->button = gtk_toggle_button_new ();
- g_signal_connect (combo_box->priv->button, "toggled",
- G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
- g_signal_connect_after (combo_box->priv->button, "key_press_event",
- G_CALLBACK (gtk_combo_box_key_press), combo_box);
- gtk_widget_set_parent (combo_box->priv->button,
- GTK_BIN (combo_box)->child->parent);
-
- combo_box->priv->box = gtk_hbox_new (FALSE, 0);
- gtk_container_add (GTK_CONTAINER (combo_box->priv->button),
- combo_box->priv->box);
-
- combo_box->priv->separator = gtk_vseparator_new ();
- gtk_container_add (GTK_CONTAINER (combo_box->priv->box),
- combo_box->priv->separator);
-
- combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
- gtk_container_add (GTK_CONTAINER (combo_box->priv->box),
- combo_box->priv->arrow);
-
- gtk_widget_show_all (combo_box->priv->button);
- }
- else
- {
- combo_box->priv->button = gtk_toggle_button_new ();
- g_signal_connect (combo_box->priv->button, "toggled",
- G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
- g_signal_connect_after (combo_box, "key_press_event",
- G_CALLBACK (gtk_combo_box_key_press), combo_box);
- gtk_widget_set_parent (combo_box->priv->button,
- GTK_BIN (combo_box)->child->parent);
-
- combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
- gtk_container_add (GTK_CONTAINER (combo_box->priv->button),
- combo_box->priv->arrow);
- gtk_widget_show_all (combo_box->priv->button);
- }
-
- g_signal_connect (combo_box->priv->button, "button_press_event",
- G_CALLBACK (gtk_combo_box_menu_button_press),
- combo_box);
-
- /* create our funky menu */
- menu = gtk_menu_new ();
- g_signal_connect (menu, "key_press_event",
- G_CALLBACK (gtk_combo_box_menu_key_press), combo_box);
- gtk_combo_box_set_popup_widget (combo_box, menu);
-
- /* add items */
- if (add_children)
- gtk_combo_box_menu_fill (combo_box);
-
-}
-
-static void
-gtk_combo_box_menu_fill (GtkComboBox *combo_box)
-{
- gint i, items;
- GtkWidget *menu;
- GtkWidget *tmp;
-
- if (!combo_box->priv->model)
- return;
-
- items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL);
- menu = combo_box->priv->popup_widget;
-
- for (i = 0; i < items; i++)
- {
- GtkTreePath *path;
-#if GTK_CHECK_VERSION(2,2,0)
- path = gtk_tree_path_new_from_indices (i, -1);
-#else
- char buf[32];
- g_snprintf(buf, sizeof(buf), "%d", i);
- path = gtk_tree_path_new_from_string(buf);
-#endif
- tmp = gtk_cell_view_menu_item_new_from_model (combo_box->priv->model,
- path);
- g_signal_connect (tmp, "activate",
- G_CALLBACK (gtk_combo_box_menu_item_activate),
- combo_box);
-
- cell_view_sync_cells (combo_box,
- GTK_CELL_VIEW (GTK_BIN (tmp)->child));
-
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), tmp);
-
- if (combo_box->priv->wrap_width)
- gtk_combo_box_relayout_item (combo_box, i);
-
- gtk_widget_show (tmp);
-
- gtk_tree_path_free (path);
- }
-}
-
-static void
-gtk_combo_box_menu_destroy (GtkComboBox *combo_box)
-{
- g_signal_handlers_disconnect_matched (combo_box->priv->button,
- G_SIGNAL_MATCH_DATA,
- 0, 0, NULL,
- gtk_combo_box_menu_button_press, NULL);
-
- /* unparent will remove our latest ref */
- gtk_widget_unparent (combo_box->priv->button);
-
- combo_box->priv->box = NULL;
- combo_box->priv->button = NULL;
- combo_box->priv->arrow = NULL;
- combo_box->priv->separator = NULL;
-
- /* changing the popup window will unref the menu and the children */
-}
-
-/*
- * grid
- */
-
-static void
-gtk_combo_box_item_get_size (GtkComboBox *combo_box,
- gint index_,
- gint *cols,
- gint *rows)
-{
- GtkTreeIter iter;
-
- gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter, NULL, index_);
-
- if (cols)
- {
- if (combo_box->priv->col_column == -1)
- *cols = 1;
- else
- gtk_tree_model_get (combo_box->priv->model, &iter,
- combo_box->priv->col_column, cols,
- -1);
- }
-
- if (rows)
- {
- if (combo_box->priv->row_column == -1)
- *rows = 1;
- else
- gtk_tree_model_get (combo_box->priv->model, &iter,
- combo_box->priv->row_column, rows,
- -1);
- }
-}
-
-static gboolean
-menu_occupied (GtkMenu *menu,
- guint left_attach,
- guint right_attach,
- guint top_attach,
- guint bottom_attach)
-{
- GList *i;
-
- g_return_val_if_fail (GTK_IS_MENU (menu), TRUE);
- g_return_val_if_fail (left_attach < right_attach, TRUE);
- g_return_val_if_fail (top_attach < bottom_attach, TRUE);
-
- for (i = GTK_MENU_SHELL (menu)->children; i; i = i->next)
- {
- guint l, r, b, t;
- gboolean h_intersect = FALSE;
- gboolean v_intersect = FALSE;
-
- gtk_container_child_get (GTK_CONTAINER (menu), i->data,
- "left_attach", &l,
- "right_attach", &r,
- "bottom_attach", &b,
- "top_attach", &t,
- NULL);
-
- /* look if this item intersects with the given coordinates */
- h_intersect = left_attach <= l && l <= right_attach;
- h_intersect &= left_attach <= r && r <= right_attach;
-
- v_intersect = top_attach <= t && t <= bottom_attach;
- v_intersect &= top_attach <= b && b <= bottom_attach;
-
- if (h_intersect && v_intersect)
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-gtk_combo_box_relayout_item (GtkComboBox *combo_box,
- gint index)
-{
- gint current_col = 0, current_row = 0;
- gint rows, cols;
- GList *list, *nth;
- GtkWidget *item, *last;
- GtkWidget *menu;
-
- menu = combo_box->priv->popup_widget;
- if (!GTK_IS_MENU_SHELL (menu))
- return;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- nth = g_list_nth (list, index);
- item = nth->data;
- if (nth->prev)
- last = nth->prev->data;
- else
- last = NULL;
- g_list_free (list);
-
- gtk_combo_box_item_get_size (combo_box, index, &cols, &rows);
-
- if (combo_box->priv->col_column == -1 &&
- combo_box->priv->row_column == -1 &&
- last)
- {
- gtk_container_child_get (GTK_CONTAINER (menu),
- last,
- "right_attach", ¤t_col,
- "top_attach", ¤t_row,
- NULL);
- if (current_col + cols > combo_box->priv->wrap_width)
- {
- current_col = 0;
- current_row++;
- }
- }
- else
- {
- /* look for a good spot */
- while (1)
- {
- if (current_col + cols > combo_box->priv->wrap_width)
- {
- current_col = 0;
- current_row++;
- }
-
- if (!menu_occupied (GTK_MENU (menu),
- current_col, current_col + cols,
- current_row, current_row + rows))
- break;
-
- current_col++;
- }
- }
-
- /* set attach props */
- gtk_menu_attach (GTK_MENU (menu), item,
- current_col, current_col + cols,
- current_row, current_row + rows);
-}
-
-static void
-gtk_combo_box_relayout (GtkComboBox *combo_box)
-{
- GList *list, *j;
- GtkWidget *menu;
-
- menu = combo_box->priv->popup_widget;
-
- /* do nothing unless we are in menu style and realized */
- if (combo_box->priv->tree_view || !GTK_IS_MENU_SHELL (menu))
- return;
-
- /* get rid of all children */
- list = gtk_container_get_children (GTK_CONTAINER (menu));
-
- for (j = g_list_last (list); j; j = j->prev)
- gtk_container_remove (GTK_CONTAINER (menu), j->data);
-
- g_list_free (list);
-
- /* and relayout */
- gtk_combo_box_menu_fill (combo_box);
-}
-
-/* callbacks */
-static gboolean
-gtk_combo_box_menu_button_press (GtkWidget *widget,
- GdkEventButton *event,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- if (! GTK_IS_MENU (combo_box->priv->popup_widget))
- return FALSE;
-
- if (event->type == GDK_BUTTON_PRESS && event->button == 1)
- {
- combo_box->priv->popup_in_progress = TRUE;
-
- gtk_menu_set_active (GTK_MENU (combo_box->priv->popup_widget),
- combo_box->priv->active_item);
-
- if (combo_box->priv->wrap_width == 0)
- {
- GtkRequisition requisition;
- gint width;
-
- width = GTK_WIDGET (combo_box)->allocation.width;
- gtk_widget_size_request (combo_box->priv->popup_widget, &requisition);
-
- gtk_widget_set_size_request (combo_box->priv->popup_widget,
- MAX (width, requisition.width), -1);
- }
-
- gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget),
- NULL, NULL,
-#if GTK_CHECK_VERSION(2,2,0)
- gtk_combo_box_menu_position,
-#else
- NULL,
-#endif
- combo_box, event->button, event->time);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-gtk_combo_box_menu_item_activate (GtkWidget *item,
- gpointer user_data)
-{
- gint index;
- GtkWidget *menu;
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- menu = combo_box->priv->popup_widget;
- g_return_if_fail (GTK_IS_MENU (menu));
-
- index = g_list_index (GTK_MENU_SHELL (menu)->children, item);
-
- gtk_combo_box_set_active (combo_box, index);
-}
-
-static void
-gtk_combo_box_model_row_inserted (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint index = gtk_tree_path_get_indices (path)[0];
-
- if (combo_box->priv->active_item >= index)
- combo_box->priv->active_item++;
-
- if (!combo_box->priv->tree_view)
- gtk_combo_box_menu_row_inserted (model, path, iter, user_data);
-}
-
-static void
-gtk_combo_box_model_row_deleted (GtkTreeModel *model,
- GtkTreePath *path,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint index = gtk_tree_path_get_indices (path)[0];
-
- if (!combo_box->priv->tree_view)
- gtk_combo_box_menu_row_deleted (model, path, user_data);
-
- if (index == combo_box->priv->active_item)
- {
- gint items = gtk_tree_model_iter_n_children (model, NULL);
-
- if (items == 0)
- gtk_combo_box_set_active_internal (combo_box, -1);
- else if (index == items)
- gtk_combo_box_set_active_internal (combo_box, index - 1);
- else
- gtk_combo_box_set_active_internal (combo_box, index);
- }
- else if (combo_box->priv->active_item > index)
- combo_box->priv->active_item--;
-}
-
-static void
-gtk_combo_box_model_rows_reordered (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gint *new_order,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint items = gtk_tree_model_iter_n_children (model, NULL);
- gint i;
-
- for (i = 0; i < items; i++)
- if (new_order[i] == combo_box->priv->active_item)
- {
- combo_box->priv->active_item = i;
- break;
- }
-
- if (!combo_box->priv->tree_view)
- gtk_combo_box_menu_rows_reordered (model, path, iter, new_order, user_data);
-}
-
-static void
-gtk_combo_box_model_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint index = gtk_tree_path_get_indices (path)[0];
-
- if (index == combo_box->priv->active_item &&
- combo_box->priv->cell_view)
- gtk_widget_queue_resize (GTK_WIDGET (combo_box->priv->cell_view));
-
- if (combo_box->priv->tree_view)
- gtk_combo_box_list_row_changed (model, path, iter, user_data);
- else
- gtk_combo_box_menu_row_changed (model, path, iter, user_data);
-}
-
-
-static void
-gtk_combo_box_menu_row_inserted (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data)
-{
- GtkWidget *menu;
- GtkWidget *item;
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- if (!combo_box->priv->popup_widget)
- return;
-
- menu = combo_box->priv->popup_widget;
- g_return_if_fail (GTK_IS_MENU (menu));
-
- item = gtk_cell_view_menu_item_new_from_model (model, path);
- g_signal_connect (item, "activate",
- G_CALLBACK (gtk_combo_box_menu_item_activate),
- combo_box);
-
- cell_view_sync_cells (combo_box, GTK_CELL_VIEW (GTK_BIN (item)->child));
-
- gtk_menu_shell_insert (GTK_MENU_SHELL (menu), item,
- gtk_tree_path_get_indices (path)[0]);
- gtk_widget_show (item);
-}
-
-static void
-gtk_combo_box_menu_row_deleted (GtkTreeModel *model,
- GtkTreePath *path,
- gpointer user_data)
-{
- gint index;
- GtkWidget *menu;
- GtkWidget *item;
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- if (!combo_box->priv->popup_widget)
- return;
-
- index = gtk_tree_path_get_indices (path)[0];
-
- menu = combo_box->priv->popup_widget;
- g_return_if_fail (GTK_IS_MENU (menu));
-
- item = g_list_nth_data (GTK_MENU_SHELL (menu)->children, index);
- g_return_if_fail (GTK_IS_MENU_ITEM (item));
-
- gtk_container_remove (GTK_CONTAINER (menu), item);
-}
-
-static void
-gtk_combo_box_menu_rows_reordered (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gint *new_order,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
-
- gtk_combo_box_relayout (combo_box);
-}
-
-static void
-gtk_combo_box_menu_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer user_data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
- gint width;
-
- if (!combo_box->priv->popup_widget)
- return;
-
- if (combo_box->priv->wrap_width)
- gtk_combo_box_relayout_item (combo_box,
- gtk_tree_path_get_indices (path)[0]);
-
- width = gtk_combo_box_calc_requested_width (combo_box, path);
-
- if (width > combo_box->priv->width)
- {
- if (combo_box->priv->cell_view)
- {
- gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1);
- gtk_widget_queue_resize (combo_box->priv->cell_view);
- }
- combo_box->priv->width = width;
- }
-}
-
-/*
- * list style
- */
-
-static void
-gtk_combo_box_list_setup (GtkComboBox *combo_box)
-{
- GSList *i;
- GtkTreeSelection *sel;
-
- combo_box->priv->button = gtk_toggle_button_new ();
- gtk_widget_set_parent (combo_box->priv->button,
- GTK_BIN (combo_box)->child->parent);
- g_signal_connect (combo_box->priv->button, "button_press_event",
- G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box);
- g_signal_connect (combo_box->priv->button, "toggled",
- G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
- g_signal_connect_after (combo_box, "key_press_event",
- G_CALLBACK (gtk_combo_box_key_press), combo_box);
-
- combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
- gtk_container_add (GTK_CONTAINER (combo_box->priv->button),
- combo_box->priv->arrow);
- combo_box->priv->separator = NULL;
- gtk_widget_show_all (combo_box->priv->button);
-
- if (combo_box->priv->cell_view)
- {
- combo_box->priv->cell_view_frame = gtk_frame_new (NULL);
- gtk_widget_set_parent (combo_box->priv->cell_view_frame,
- GTK_BIN (combo_box)->child->parent);
- gtk_frame_set_shadow_type (GTK_FRAME (combo_box->priv->cell_view_frame),
- GTK_SHADOW_IN);
-
- gtk_cell_view_set_background_color (GTK_CELL_VIEW (combo_box->priv->cell_view),
- >K_WIDGET (combo_box)->style->base[GTK_WIDGET_STATE (combo_box)]);
-
- combo_box->priv->box = gtk_event_box_new ();
- /*
- gtk_event_box_set_visible_window (GTK_EVENT_BOX (combo_box->priv->box),
- FALSE);
- */
-
- gtk_container_add (GTK_CONTAINER (combo_box->priv->cell_view_frame),
- combo_box->priv->box);
-
- gtk_widget_show_all (combo_box->priv->cell_view_frame);
-
- g_signal_connect (combo_box->priv->box, "button_press_event",
- G_CALLBACK (gtk_combo_box_list_button_pressed),
- combo_box);
- }
-
- combo_box->priv->tree_view = gtk_tree_view_new ();
- sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view));
- gtk_tree_selection_set_mode (sel, GTK_SELECTION_BROWSE);
- gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (combo_box->priv->tree_view),
- FALSE);
- /*
- _gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (combo_box->priv->tree_view),
- TRUE);
- */
- if (combo_box->priv->model)
- gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view),
- combo_box->priv->model);
-
- g_signal_connect (combo_box->priv->tree_view, "button_press_event",
- G_CALLBACK (gtk_combo_box_list_button_pressed),
- combo_box);
- g_signal_connect (combo_box->priv->tree_view, "button_release_event",
- G_CALLBACK (gtk_combo_box_list_button_released),
- combo_box);
- g_signal_connect (combo_box->priv->tree_view, "key_press_event",
- G_CALLBACK (gtk_combo_box_list_key_press),
- combo_box);
-
- combo_box->priv->column = gtk_tree_view_column_new ();
- gtk_tree_view_append_column (GTK_TREE_VIEW (combo_box->priv->tree_view),
- combo_box->priv->column);
-
- /* sync up */
- for (i = combo_box->priv->cells; i; i = i->next)
- {
- GSList *j;
- ComboCellInfo *info = (ComboCellInfo *)i->data;
-
- if (info->pack == GTK_PACK_START)
- gtk_tree_view_column_pack_start (combo_box->priv->column,
- info->cell, info->expand);
- else if (info->pack == GTK_PACK_END)
- gtk_tree_view_column_pack_end (combo_box->priv->column,
- info->cell, info->expand);
-
- for (j = info->attributes; j; j = j->next->next)
- {
- gtk_tree_view_column_add_attribute (combo_box->priv->column,
- info->cell,
- j->data,
- GPOINTER_TO_INT (j->next->data));
- }
- }
-
- if (combo_box->priv->active_item != -1)
- {
- GtkTreePath *path;
-
-#if GTK_CHECK_VERSION(2,2,0)
- path = gtk_tree_path_new_from_indices (combo_box->priv->active_item, -1);
-#else
- char buf[32];
- g_snprintf(buf, sizeof(buf), "%d", combo_box->priv->active_item);
- path = gtk_tree_path_new_from_string(buf);
-#endif
- if (path)
- {
- gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view),
- path, NULL, FALSE);
- gtk_tree_path_free (path);
- }
- }
-
- /* set sample/popup widgets */
- gtk_combo_box_set_popup_widget (combo_box, combo_box->priv->tree_view);
-
- gtk_widget_show (combo_box->priv->tree_view);
-}
-
-static void
-gtk_combo_box_list_destroy (GtkComboBox *combo_box)
-{
- /* disconnect signals */
- g_signal_handlers_disconnect_matched (combo_box->priv->tree_view,
- G_SIGNAL_MATCH_DATA,
- 0, 0, NULL, NULL, combo_box);
- g_signal_handlers_disconnect_matched (combo_box->priv->button,
- G_SIGNAL_MATCH_DATA,
- 0, 0, NULL,
- gtk_combo_box_list_button_pressed,
- NULL);
- if (combo_box->priv->box)
- g_signal_handlers_disconnect_matched (combo_box->priv->box,
- G_SIGNAL_MATCH_DATA,
- 0, 0, NULL,
- gtk_combo_box_list_button_pressed,
- NULL);
-
- /* destroy things (unparent will kill the latest ref from us)
- * last unref on button will destroy the arrow
- */
- gtk_widget_unparent (combo_box->priv->button);
- combo_box->priv->button = NULL;
- combo_box->priv->arrow = NULL;
-
- if (combo_box->priv->cell_view)
- {
- g_object_set (G_OBJECT (combo_box->priv->cell_view),
- "background_set", FALSE,
- NULL);
- }
-
- if (combo_box->priv->cell_view_frame)
- {
- gtk_widget_unparent (combo_box->priv->cell_view_frame);
- combo_box->priv->cell_view_frame = NULL;
- combo_box->priv->box = NULL;
- }
-
- gtk_widget_destroy (combo_box->priv->tree_view);
-
- combo_box->priv->tree_view = NULL;
- combo_box->priv->popup_widget = NULL;
-}
-
-/* callbacks */
-static void
-gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box)
-{
- if (combo_box->priv->tree_view &&
- GTK_WIDGET_HAS_GRAB (combo_box->priv->tree_view))
- {
- gtk_grab_remove (combo_box->priv->tree_view);
- }
-
- if (combo_box->priv->popup_window &&
- GTK_WIDGET_HAS_GRAB (combo_box->priv->popup_window))
- {
- gtk_grab_remove (combo_box->priv->popup_window);
- gdk_keyboard_ungrab (GDK_CURRENT_TIME);
- gdk_pointer_ungrab (GDK_CURRENT_TIME);
- }
-}
-
-static gboolean
-gtk_combo_box_list_button_pressed (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
-
- GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event);
-
- if (ewidget == combo_box->priv->tree_view)
- return TRUE;
-
- if ((ewidget != combo_box->priv->button && ewidget != combo_box->priv->box) ||
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button)))
- return FALSE;
-
- gtk_combo_box_popup (combo_box);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
- TRUE);
-
- combo_box->priv->popup_in_progress = TRUE;
-
- return TRUE;
-}
-
-static gboolean
-gtk_combo_box_list_button_released (GtkWidget *widget,
- GdkEventButton *event,
- gpointer data)
-{
- gboolean ret;
- GtkTreePath *path = NULL;
-
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
-
- gboolean popup_in_progress = FALSE;
-
- GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event);
-
- if (combo_box->priv->popup_in_progress)
- {
- popup_in_progress = TRUE;
- combo_box->priv->popup_in_progress = FALSE;
- }
-
- if (ewidget != combo_box->priv->tree_view)
- {
- if (ewidget == combo_box->priv->button &&
- !popup_in_progress &&
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (combo_box->priv->button)))
- {
- gtk_combo_box_popdown (combo_box);
- return TRUE;
- }
-
- /* released outside treeview */
- if (ewidget != combo_box->priv->button)
- {
- gtk_combo_box_popdown (combo_box);
-
- return TRUE;
- }
-
- return FALSE;
- }
-
- /* select something cool */
- ret = gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
- event->x, event->y,
- &path,
- NULL, NULL, NULL);
-
- if (!ret)
- return TRUE; /* clicked outside window? */
-
- gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]);
- gtk_combo_box_popdown (combo_box);
-
- gtk_tree_path_free (path);
-
- return TRUE;
-}
-
-static gboolean
-gtk_combo_box_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
- guint state = event->state & gtk_accelerator_get_default_mod_mask ();
- gint items = 0;
- gint index = gtk_combo_box_get_active (combo_box);
- gint new_index;
-
- if (combo_box->priv->model)
- items = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL);
-
- if ((event->keyval == GDK_Down || event->keyval == GDK_KP_Down) &&
- state == GDK_MOD1_MASK)
- {
- gtk_combo_box_popup (combo_box);
-
- return TRUE;
- }
-
- switch (event->keyval)
- {
- case GDK_Down:
- case GDK_KP_Down:
- new_index = index + 1;
- break;
- case GDK_Up:
- case GDK_KP_Up:
- new_index = index - 1;
- break;
- case GDK_Page_Up:
- case GDK_KP_Page_Up:
- case GDK_Home:
- case GDK_KP_Home:
- new_index = 0;
- break;
- case GDK_Page_Down:
- case GDK_KP_Page_Down:
- case GDK_End:
- case GDK_KP_End:
- new_index = items - 1;
- break;
- default:
- return FALSE;
- }
-
- if (items > 0)
- gtk_combo_box_set_active (combo_box, CLAMP (new_index, 0, items - 1));
-
- return TRUE;
-}
-
-static gboolean
-gtk_combo_box_menu_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
- guint state = event->state & gtk_accelerator_get_default_mod_mask ();
-
- if ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) &&
- state == GDK_MOD1_MASK)
- {
- gtk_combo_box_popdown (combo_box);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-gtk_combo_box_list_key_press (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
- guint state = event->state & gtk_accelerator_get_default_mod_mask ();
-
- if (event->keyval == GDK_Escape ||
- ((event->keyval == GDK_Up || event->keyval == GDK_KP_Up) &&
- state == GDK_MOD1_MASK))
- {
- /* reset active item -- this is incredibly lame and ugly */
- gtk_combo_box_set_active (combo_box,
- gtk_combo_box_get_active (combo_box));
-
- gtk_combo_box_popdown (combo_box);
-
- return TRUE;
- }
-
- if (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter ||
- event->keyval == GDK_space || event->keyval == GDK_KP_Space)
- {
- gboolean ret = FALSE;
- GtkTreeIter iter;
- GtkTreeModel *model = NULL;
-
- if (combo_box->priv->model)
- {
- GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view));
-
- ret = gtk_tree_selection_get_selected (sel, &model, &iter);
- }
- if (ret)
- {
- GtkTreePath *path;
-
- path = gtk_tree_model_get_path (model, &iter);
- if (path)
- {
- gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]);
- gtk_tree_path_free (path);
- }
- }
-
- gtk_combo_box_popdown (combo_box);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-gtk_combo_box_list_row_changed (GtkTreeModel *model,
- GtkTreePath *path,
- GtkTreeIter *iter,
- gpointer data)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (data);
- gint width;
-
- width = gtk_combo_box_calc_requested_width (combo_box, path);
-
- if (width > combo_box->priv->width)
- {
- if (combo_box->priv->cell_view)
- {
- gtk_widget_set_size_request (combo_box->priv->cell_view, width, -1);
- gtk_widget_queue_resize (combo_box->priv->cell_view);
- }
- combo_box->priv->width = width;
- }
-}
-
-/*
- * GtkCellLayout implementation
- */
-static void
-gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gboolean expand)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
- g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- g_object_ref (G_OBJECT (cell));
- gtk_object_sink (GTK_OBJECT (cell));
-
- info = g_new0 (ComboCellInfo, 1);
- info->cell = cell;
- info->expand = expand;
- info->pack = GTK_PACK_START;
-
- combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info);
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box->priv->cell_view),
- cell, expand);
-
- if (combo_box->priv->column)
- gtk_tree_view_column_pack_start (combo_box->priv->column, cell, expand);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (view), cell, expand);
- }
- g_list_free (list);
- }
-}
-
-static void
-gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gboolean expand)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
- g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- g_object_ref (G_OBJECT (cell));
- gtk_object_sink (GTK_OBJECT (cell));
-
- info = g_new0 (ComboCellInfo, 1);
- info->cell = cell;
- info->expand = expand;
- info->pack = GTK_PACK_END;
-
- combo_box->priv->cells = g_slist_append (combo_box->priv->cells, info);
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (combo_box->priv->cell_view),
- cell, expand);
-
- if (combo_box->priv->column)
- gtk_tree_view_column_pack_end (combo_box->priv->column, cell, expand);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (view), cell, expand);
- }
- g_list_free (list);
- }
-}
-
-static void
-gtk_combo_box_cell_layout_clear (GtkCellLayout *layout)
-{
- GtkWidget *menu;
- GtkComboBox *combo_box;
- GSList *i;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo_box->priv->cell_view));
-
- if (combo_box->priv->column)
- gtk_tree_view_column_clear (combo_box->priv->column);
-
- for (i = combo_box->priv->cells; i; i = i->next)
- {
- ComboCellInfo *info = (ComboCellInfo *)i->data;
-
- gtk_combo_box_cell_layout_clear_attributes (layout, info->cell);
- g_object_unref (G_OBJECT (info->cell));
- g_free (info);
- i->data = NULL;
- }
- g_slist_free (combo_box->priv->cells);
- combo_box->priv->cells = NULL;
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_clear (GTK_CELL_LAYOUT (view));
- }
- g_list_free (list);
- }
-}
-
-static void
-gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- const gchar *attribute,
- gint column)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
- g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- info = gtk_combo_box_get_cell_info (combo_box, cell);
-
- info->attributes = g_slist_prepend (info->attributes,
- GINT_TO_POINTER (column));
- info->attributes = g_slist_prepend (info->attributes,
- g_strdup (attribute));
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->cell_view),
- cell, attribute, column);
-
- if (combo_box->priv->column)
- gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->column),
- cell, attribute, column);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (view), cell,
- attribute, column);
- }
- g_list_free (list);
- }
-
- gtk_widget_queue_resize (GTK_WIDGET (combo_box));
-}
-
-static void
-gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- GtkCellLayoutDataFunc func,
- gpointer func_data,
- GDestroyNotify destroy)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- info = gtk_combo_box_get_cell_info (combo_box, cell);
- g_return_if_fail (info != NULL);
-
- if (info->destroy)
- {
- GDestroyNotify d = info->destroy;
-
- info->destroy = NULL;
- d (info->func_data);
- }
-
- info->func = func;
- info->func_data = func_data;
- info->destroy = destroy;
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell, func, func_data, NULL);
-
- if (combo_box->priv->column)
- gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo_box->priv->column), cell, func, func_data, NULL);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (view), cell,
- func, func_data, NULL);
- }
- g_list_free (list);
- }
-
- gtk_widget_queue_resize (GTK_WIDGET (combo_box));
-}
-
-static void
-gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout,
- GtkCellRenderer *cell)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
- GSList *list;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
- g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- info = gtk_combo_box_get_cell_info (combo_box, cell);
- if (info)
- {
- list = info->attributes;
- while (list && list->next)
- {
- g_free (list->data);
- list = list->next->next;
- }
- g_slist_free (info->attributes);
- info->attributes = NULL;
- }
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->cell_view), cell);
-
- if (combo_box->priv->column)
- gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (combo_box->priv->column), cell);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (view), cell);
- }
- g_list_free (list);
- }
-
- gtk_widget_queue_resize (GTK_WIDGET (combo_box));
-}
-
-static void
-gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout,
- GtkCellRenderer *cell,
- gint position)
-{
- ComboCellInfo *info;
- GtkComboBox *combo_box;
- GtkWidget *menu;
- GSList *link;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (layout));
- g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
-
- combo_box = GTK_COMBO_BOX (layout);
-
- info = gtk_combo_box_get_cell_info (combo_box, cell);
-
- g_return_if_fail (info != NULL);
- g_return_if_fail (position >= 0);
-
- link = g_slist_find (combo_box->priv->cells, info);
-
- g_return_if_fail (link != NULL);
-
- combo_box->priv->cells = g_slist_delete_link (combo_box->priv->cells, link);
- combo_box->priv->cells = g_slist_insert (combo_box->priv->cells, info,
- position);
-
- if (combo_box->priv->cell_view)
- gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->cell_view),
- cell, position);
-
- if (combo_box->priv->column)
- gtk_cell_layout_reorder (GTK_CELL_LAYOUT (combo_box->priv->column),
- cell, position);
-
- menu = combo_box->priv->popup_widget;
- if (GTK_IS_MENU (menu))
- {
- GList *i, *list;
-
- list = gtk_container_get_children (GTK_CONTAINER (menu));
- for (i = list; i; i = i->next)
- {
- GtkCellView *view;
-
- if (GTK_IS_CELL_VIEW_MENU_ITEM (i->data))
- view = GTK_CELL_VIEW (GTK_BIN (i->data)->child);
- else
- view = GTK_CELL_VIEW (i->data);
-
- gtk_cell_layout_reorder (GTK_CELL_LAYOUT (view), cell, position);
- }
- g_list_free (list);
- }
-
- gtk_widget_queue_draw (GTK_WIDGET (combo_box));
-}
-
-/*
- * public API
- */
-
-/**
- * gtk_combo_box_new:
- *
- * Creates a new empty #GtkComboBox.
- *
- * Return value: A new #GtkComboBox.
- *
- * Since: 2.4
- */
-GtkWidget *
-gtk_combo_box_new (void)
-{
- return GTK_WIDGET (g_object_new (GTK_TYPE_COMBO_BOX, NULL));
-}
-
-/**
- * gtk_combo_box_new_with_model:
- * @model: A #GtkTreeModel.
- *
- * Creates a new #GtkComboBox with the model initialized to @model.
- *
- * Return value: A new #GtkComboBox.
- *
- * Since: 2.4
- */
-GtkWidget *
-gtk_combo_box_new_with_model (GtkTreeModel *model)
-{
- GtkComboBox *combo_box;
-
- g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
-
- combo_box = GTK_COMBO_BOX (g_object_new (GTK_TYPE_COMBO_BOX,
- "model", model,
- NULL));
-
- return GTK_WIDGET (combo_box);
-}
-
-/**
- * gtk_combo_box_set_wrap_width:
- * @combo_box: A #GtkComboBox.
- * @width: Preferred number of columns.
- *
- * Sets the wrap width of @combo_box to be @width. The wrap width is basically
- * the preferred number of columns when you want to the popup to be layed out
- * in a table.
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_set_wrap_width (GtkComboBox *combo_box,
- gint width)
-{
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- g_return_if_fail (width >= 0);
-
- if (width != combo_box->priv->wrap_width)
- {
- combo_box->priv->wrap_width = width;
-
- gtk_combo_box_check_appearance (combo_box);
- gtk_combo_box_relayout (combo_box);
-
- g_object_notify (G_OBJECT (combo_box), "wrap_width");
- }
-}
-
-/**
- * gtk_combo_box_set_row_span_column:
- * @combo_box: A #GtkComboBox.
- * @row_span: A column in the model passed during construction.
- *
- * Sets the column with row span information for @combo_box to be @row_span.
- * The row span column contains integers which indicate how many rows
- * an item should span.
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_set_row_span_column (GtkComboBox *combo_box,
- gint row_span)
-{
- gint col;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- col = gtk_tree_model_get_n_columns (combo_box->priv->model);
- g_return_if_fail (row_span >= 0 && row_span < col);
-
- if (row_span != combo_box->priv->row_column)
- {
- combo_box->priv->row_column = row_span;
-
- gtk_combo_box_relayout (combo_box);
-
- g_object_notify (G_OBJECT (combo_box), "row_span_column");
- }
-}
-
-/**
- * gtk_combo_box_set_column_span_column:
- * @combo_box: A #GtkComboBox.
- * @column_span: A column in the model passed during construction.
- *
- * Sets the column with column span information for @combo_box to be
- * @column_span. The column span column contains integers which indicate
- * how many columns an item should span.
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_set_column_span_column (GtkComboBox *combo_box,
- gint column_span)
-{
- gint col;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- col = gtk_tree_model_get_n_columns (combo_box->priv->model);
- g_return_if_fail (column_span >= 0 && column_span < col);
-
- if (column_span != combo_box->priv->col_column)
- {
- combo_box->priv->col_column = column_span;
-
- gtk_combo_box_relayout (combo_box);
-
- g_object_notify (G_OBJECT (combo_box), "column_span_column");
- }
-}
-
-/**
- * gtk_combo_box_get_active:
- * @combo_box: A #GtkComboBox.
- *
- * Returns the index of the currently active item, or -1 if there's no
- * active item.
- *
- * Return value: An integer which is the index of the currently active item, or
- * -1 if there's no active item.
- *
- * Since: 2.4
- */
-gint
-gtk_combo_box_get_active (GtkComboBox *combo_box)
-{
- g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), 0);
-
- return combo_box->priv->active_item;
-}
-
-/**
- * gtk_combo_box_set_active:
- * @combo_box: A #GtkComboBox.
- * @index_: An index in the model passed during construction, or -1 to have
- * no active item.
- *
- * Sets the active item of @combo_box to be the item at @index.
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_set_active (GtkComboBox *combo_box,
- gint index_)
-{
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- /* -1 means "no item selected" */
- g_return_if_fail (index_ >= -1);
-
- if (combo_box->priv->active_item == index_)
- return;
-
- gtk_combo_box_set_active_internal (combo_box, index_);
-}
-
-static void
-gtk_combo_box_set_active_internal (GtkComboBox *combo_box,
- gint index)
-{
- GtkTreePath *path;
-
- combo_box->priv->active_item = index;
-
- if (index == -1)
- {
- if (combo_box->priv->tree_view)
- gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view)));
- else
- {
- GtkMenu *menu = GTK_MENU (combo_box->priv->popup_widget);
-
- if (GTK_IS_MENU (menu))
- gtk_menu_set_active (menu, -1);
- }
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), NULL);
- }
- else
- {
-#if GTK_CHECK_VERSION(2,2,0)
- path = gtk_tree_path_new_from_indices (index, -1);
-#else
- char buf[32];
- g_snprintf(buf, sizeof(buf), "%d", index);
- path = gtk_tree_path_new_from_string(buf);
-#endif
-
- if (combo_box->priv->tree_view)
- gtk_tree_view_set_cursor (GTK_TREE_VIEW (combo_box->priv->tree_view), path, NULL, FALSE);
- else
- {
- GtkMenu *menu = GTK_MENU (combo_box->priv->popup_widget);
-
- if (GTK_IS_MENU (menu))
- gtk_menu_set_active (GTK_MENU (menu), index);
- }
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (combo_box->priv->cell_view), path);
-
- gtk_tree_path_free (path);
- }
-
- g_signal_emit_by_name (combo_box, "changed", NULL, NULL);
-}
-
-
-/**
- * gtk_combo_box_get_active_iter:
- * @combo_box: A #GtkComboBox
- * @iter: The uninitialized #GtkTreeIter.
- *
- * Sets @iter to point to the current active item, if it exists.
- *
- * Return value: %TRUE, if @iter was set
- *
- * Since: 2.4
- **/
-gboolean
-gtk_combo_box_get_active_iter (GtkComboBox *combo_box,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
- gint active;
- gboolean retval;
-#if !GTK_CHECK_VERSION(2,2,0)
- char buf[32];
-#endif
-
- g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE);
-
- active = gtk_combo_box_get_active (combo_box);
- if (active < 0)
- return FALSE;
-
-#if GTK_CHECK_VERSION(2,2,0)
- path = gtk_tree_path_new_from_indices (active, -1);
-#else
- g_snprintf(buf, sizeof(buf), "%d", active);
- path = gtk_tree_path_new_from_string(buf);
-#endif
- retval = gtk_tree_model_get_iter (gtk_combo_box_get_model (combo_box),
- iter, path);
- gtk_tree_path_free (path);
-
- return retval;
-}
-
-/**
- * gtk_combo_box_set_active_iter:
- * @combo_box: A #GtkComboBox
- * @iter: The #GtkTreeIter.
- *
- * Sets the current active item to be the one referenced by @iter.
- * @iter must correspond to a path of depth one.
- *
- * Since: 2.4
- **/
-void
-gtk_combo_box_set_active_iter (GtkComboBox *combo_box,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- path = gtk_tree_model_get_path (gtk_combo_box_get_model (combo_box), iter);
- g_return_if_fail (path != NULL);
- g_return_if_fail (gtk_tree_path_get_depth (path) == 1);
-
- gtk_combo_box_set_active (combo_box, gtk_tree_path_get_indices (path)[0]);
- gtk_tree_path_free (path);
-}
-
-/**
- * gtk_combo_box_set_model:
- * @combo_box: A #GtkComboBox.
- * @model: A #GtkTreeModel.
- *
- * Sets the model used by @combo_box to be @model. Will unset a previously set
- * model (if applicable). If @model is %NULL, then it will unset the model.
- *
- * Note that this function does not clear the cell renderers, you have to
- * call gtk_combo_box_cell_layout_clear() yourself if you need to set up
- * different cell renderers for the new model.
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_set_model (GtkComboBox *combo_box,
- GtkTreeModel *model)
-{
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
-
- if (!model)
- {
- gtk_combo_box_unset_model (combo_box);
- return;
- }
-
- g_return_if_fail (GTK_IS_TREE_MODEL (model));
-
- if (model == combo_box->priv->model)
- return;
-
- if (combo_box->priv->model)
- gtk_combo_box_unset_model (combo_box);
-
- combo_box->priv->model = model;
- g_object_ref (G_OBJECT (combo_box->priv->model));
-
- combo_box->priv->inserted_id =
- g_signal_connect (combo_box->priv->model, "row_inserted",
- G_CALLBACK (gtk_combo_box_model_row_inserted),
- combo_box);
- combo_box->priv->deleted_id =
- g_signal_connect (combo_box->priv->model, "row_deleted",
- G_CALLBACK (gtk_combo_box_model_row_deleted),
- combo_box);
- combo_box->priv->reordered_id =
- g_signal_connect (combo_box->priv->model, "rows_reordered",
- G_CALLBACK (gtk_combo_box_model_rows_reordered),
- combo_box);
- combo_box->priv->changed_id =
- g_signal_connect (combo_box->priv->model, "row_changed",
- G_CALLBACK (gtk_combo_box_model_row_changed),
- combo_box);
-
- if (combo_box->priv->tree_view)
- {
- /* list mode */
- gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view),
- combo_box->priv->model);
- }
- else
- {
- /* menu mode */
- if (combo_box->priv->popup_widget)
- gtk_combo_box_menu_fill (combo_box);
-
- }
-
- if (combo_box->priv->cell_view)
- gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view),
- combo_box->priv->model);
-}
-
-/**
- * gtk_combo_box_get_model
- * @combo_box: A #GtkComboBox.
- *
- * Returns the #GtkTreeModel which is acting as data source for @combo_box.
- *
- * Return value: A #GtkTreeModel which was passed during construction.
- *
- * Since: 2.4
- */
-GtkTreeModel *
-gtk_combo_box_get_model (GtkComboBox *combo_box)
-{
- g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
-
- return combo_box->priv->model;
-}
-
-
-/* convenience API for simple text combos */
-
-/**
- * gtk_combo_box_new_text:
- *
- * Convenience function which constructs a new text combo box, which is a
- * #GtkComboBox just displaying strings. If you use this function to create
- * a text combo box, you should only manipulate its data source with the
- * following convenience functions: gtk_combo_box_append_text(),
- * gtk_combo_box_insert_text(), gtk_combo_box_prepend_text() and
- * gtk_combo_box_remove_text().
- *
- * Return value: A new text combo box.
- *
- * Since: 2.4
- */
-GtkWidget *
-gtk_combo_box_new_text (void)
-{
- GtkWidget *combo_box;
- GtkCellRenderer *cell;
- GtkListStore *store;
-
- store = gtk_list_store_new (1, G_TYPE_STRING);
- combo_box = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
- g_object_unref (store);
-
- cell = gtk_cell_renderer_text_new ();
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE);
- gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell,
- "text", 0,
- NULL);
-
- return combo_box;
-}
-
-/**
- * gtk_combo_box_append_text:
- * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text().
- * @text: A string.
- *
- * Appends @string to the list of strings stored in @combo_box. Note that
- * you can only use this function with combo boxes constructed with
- * gtk_combo_box_new_text().
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_append_text (GtkComboBox *combo_box,
- const gchar *text)
-{
- GtkTreeIter iter;
- GtkListStore *store;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
- g_return_if_fail (text != NULL);
-
- store = GTK_LIST_STORE (combo_box->priv->model);
-
- gtk_list_store_append (store, &iter);
- gtk_list_store_set (store, &iter, 0, text, -1);
-}
-
-/**
- * gtk_combo_box_insert_text:
- * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text().
- * @position: An index to insert @text.
- * @text: A string.
- *
- * Inserts @string at @position in the list of strings stored in @combo_box.
- * Note that you can only use this function with combo boxes constructed
- * with gtk_combo_box_new_text().
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_insert_text (GtkComboBox *combo_box,
- gint position,
- const gchar *text)
-{
- GtkTreeIter iter;
- GtkListStore *store;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
- g_return_if_fail (position >= 0);
- g_return_if_fail (text != NULL);
-
- store = GTK_LIST_STORE (combo_box->priv->model);
-
- gtk_list_store_insert (store, &iter, position);
- gtk_list_store_set (store, &iter, 0, text, -1);
-}
-
-/**
- * gtk_combo_box_prepend_text:
- * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text().
- * @text: A string.
- *
- * Prepends @string to the list of strings stored in @combo_box. Note that
- * you can only use this function with combo boxes constructed with
- * gtk_combo_box_new_text().
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_prepend_text (GtkComboBox *combo_box,
- const gchar *text)
-{
- GtkTreeIter iter;
- GtkListStore *store;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
- g_return_if_fail (text != NULL);
-
- store = GTK_LIST_STORE (combo_box->priv->model);
-
- gtk_list_store_prepend (store, &iter);
- gtk_list_store_set (store, &iter, 0, text, -1);
-}
-
-/**
- * gtk_combo_box_remove_text:
- * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text().
- * @position: Index of the item to remove.
- *
- * Removes the string at @position from @combo_box. Note that you can only use
- * this function with combo boxes constructed with gtk_combo_box_new_text().
- *
- * Since: 2.4
- */
-void
-gtk_combo_box_remove_text (GtkComboBox *combo_box,
- gint position)
-{
- GtkTreeIter iter;
- GtkListStore *store;
-
- g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
- g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
- g_return_if_fail (position >= 0);
-
- store = GTK_LIST_STORE (combo_box->priv->model);
-
- if (gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter,
- NULL, position))
- gtk_list_store_remove (store, &iter);
-}
-
-static gboolean
-gtk_combo_box_mnemonic_activate (GtkWidget *widget,
- gboolean group_cycling)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
-
- gtk_widget_grab_focus (combo_box->priv->button);
-
- return TRUE;
-}
-
-static void
-gtk_combo_box_destroy (GtkObject *object)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (object);
-
- gtk_combo_box_popdown (combo_box);
-
- combo_box->priv->destroying = 1;
-
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
- combo_box->priv->cell_view = NULL;
-
- combo_box->priv->destroying = 0;
-}
-
-static void
-gtk_combo_box_finalize (GObject *object)
-{
- GtkComboBox *combo_box = GTK_COMBO_BOX (object);
- GSList *i;
-
- if (GTK_IS_MENU (combo_box->priv->popup_widget))
- {
- gtk_combo_box_menu_destroy (combo_box);
- gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget));
- combo_box->priv->popup_widget = NULL;
- }
-
- if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view))
- gtk_combo_box_list_destroy (combo_box);
-
- if (combo_box->priv->popup_window)
- gtk_widget_destroy (combo_box->priv->popup_window);
-
- gtk_combo_box_unset_model (combo_box);
-
- for (i = combo_box->priv->cells; i; i = i->next)
- {
- ComboCellInfo *info = (ComboCellInfo *)i->data;
- GSList *list = info->attributes;
-
- if (info->destroy)
- info->destroy (info->func_data);
-
- while (list && list->next)
- {
- g_free (list->data);
- list = list->next->next;
- }
- g_slist_free (info->attributes);
-
- g_object_unref (G_OBJECT (info->cell));
- g_free (info);
- }
- g_slist_free (combo_box->priv->cells);
-
- g_free (combo_box->priv);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-
-/**
- * Code below this point has been pulled in from gtkmenu.c in 2.4.14
- * and is needed to provide gtk_menu_attach()
- */
-
-typedef struct
-{
- gint left_attach;
- gint right_attach;
- gint top_attach;
- gint bottom_attach;
- gint effective_left_attach;
- gint effective_right_attach;
- gint effective_top_attach;
- gint effective_bottom_attach;
-} AttachInfo;
-
-#define ATTACH_INFO_KEY "gtk-menu-child-attach-info-key"
-
-static AttachInfo *
-get_attach_info (GtkWidget *child)
-{
- GObject *object = G_OBJECT (child);
- AttachInfo *ai = g_object_get_data (object, ATTACH_INFO_KEY);
-
- if (!ai)
- {
- ai = g_new0 (AttachInfo, 1);
- g_object_set_data_full (object, ATTACH_INFO_KEY, ai, g_free);
- }
-
- return ai;
-}
-
-/**
- * gtk_menu_attach:
- * @menu: a #GtkMenu.
- * @child: a #GtkMenuItem.
- * @left_attach: The column number to attach the left side of the item to.
- * @right_attach: The column number to attach the right side of the item to.
- * @top_attach: The row number to attach the top of the item to.
- * @bottom_attach: The row number to attach the bottom of the item to.
- *
- * Adds a new #GtkMenuItem to a (table) menu. The number of 'cells' that
- * an item will occupy is specified by @left_attach, @right_attach,
- * @top_attach and @bottom_attach. These each represent the leftmost,
- * rightmost, uppermost and lower column and row numbers of the table.
- * (Columns and rows are indexed from zero).
- *
- * Note that this function is not related to gtk_menu_detach().
- *
- * Since: 2.4
- **/
-static void
-gtk_menu_attach (GtkMenu *menu,
- GtkWidget *child,
- guint left_attach,
- guint right_attach,
- guint top_attach,
- guint bottom_attach)
-{
- GtkMenuShell *menu_shell;
-
- g_return_if_fail (GTK_IS_MENU (menu));
- g_return_if_fail (GTK_IS_MENU_ITEM (child));
- g_return_if_fail (child->parent == NULL ||
- child->parent == GTK_WIDGET (menu));
- g_return_if_fail (left_attach < right_attach);
- g_return_if_fail (top_attach < bottom_attach);
-
- menu_shell = GTK_MENU_SHELL (menu);
-
- if (!child->parent)
- {
- AttachInfo *ai = get_attach_info (child);
-
- ai->left_attach = left_attach;
- ai->right_attach = right_attach;
- ai->top_attach = top_attach;
- ai->bottom_attach = bottom_attach;
-
- menu_shell->children = g_list_append (menu_shell->children, child);
-
- gtk_widget_set_parent (child, GTK_WIDGET (menu));
-
- /*
- menu_queue_resize (menu);
- */
- }
- else
- {
- gtk_container_child_set (GTK_CONTAINER (child->parent), child,
- "left_attach", left_attach,
- "right_attach", right_attach,
- "top_attach", top_attach,
- "bottom_attach", bottom_attach,
- NULL);
- }
-}
-#endif /* Gtk 2.4 */
-
-gchar *
-gtk_combo_box_get_active_text (GtkComboBox *combo_box)
-{
- GtkTreeIter iter;
- gchar *text = NULL;
-
- /* g_return_val_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model), NULL); */
-
- if (gtk_combo_box_get_active_iter (combo_box, &iter))
- gtk_tree_model_get (gtk_combo_box_get_model(combo_box), &iter,
- 0, &text, -1);
- return text;
-}
-
-#endif