diff -r 3180b88b4c1b -r f9dee36112d0 pidgin/pidgincombobox.c --- a/pidgin/pidgincombobox.c Thu Feb 04 02:18:37 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,3749 +0,0 @@ -/* pidgincombobox.c - * Copyright (C) 2002, 2003 Kristian Rietveld - * - * 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 -*/ -#include -#if !GTK_CHECK_VERSION(2,6,0) -#include "pidgincombobox.h" - -#if !GTK_CHECK_VERSION(2,4,0) -#include -#include -#include "gtkcelllayout.h" -#include -#include "gtkcellview.h" -#include "gtkcellviewmenuitem.h" -#include -#include -#include -#include -#include -#include -#include -#include -/* -#include -*/ -#include -#include -#include - -#include - -#include - -#include -#include - -#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