-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- * Copyright (C) 1998 Elliot Lee
+/* gtkcombobox.c
+ * Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
-/* NOTES about this widget:
- It would be nice if we kept track of the last menu item that
- people selected, so that we could allow choosing text by using
- up/down arrows.
- -- Elliot
-*/
-#include <ctype.h>
-#include <string.h>
-#include "gdk/gdkx.h"
-#include "gdk/gdkkeysyms.h"
-#include "gdk/gdki18n.h"
+
+#include <config.h>
#include "gtkcombobox.h"
+
+#include "gtkarrow.h"
+#include "gtkbindings.h"
+#include "gtkcelllayout.h"
+#include "gtkcellrenderertext.h"
+#include "gtkcellview.h"
+#include "gtkcellviewmenuitem.h"
+#include "gtkeventbox.h"
+#include "gtkframe.h"
+#include "gtkliststore.h"
#include "gtkmain.h"
-#include "gtksignal.h"
#include "gtkmenu.h"
-#include "gtkmenuitem.h"
-#include "gtklabel.h"
-#include "gtkbin.h"
-
-#define ARROW_SIZE_X 20
-#define ARROW_SIZE_Y 20
-#define ARROW_PADDING 4
-
-static void gtk_combo_box_class_init (GtkComboBoxClass *class);
-static void gtk_combo_box_init (GtkComboBox *combobox);
-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_draw (GtkWidget *widget,
- GdkRectangle *area);
-static void gtk_combo_box_draw_arrow (GtkWidget *widget);
-static gint gtk_combo_box_expose (GtkWidget *object,
- GdkEventExpose *event);
-static void gtk_combo_box_destroy (GtkObject *object);
-#if 0
-static gint gtk_combo_box_key_press (GtkWidget *widget,
- GdkEventKey *event);
-#endif
-static gint gtk_combo_box_button_press (GtkWidget *widget,
- GdkEventButton *event);
-static void gtk_combo_box_realize (GtkWidget *widget);
-static void gtk_combo_box_item_activate(GtkWidget *widget,
- GtkComboBox *cb);
-static void gtk_combo_box_set_down (GtkWidget *widget,
- GtkComboBox *cb);
-static void gtk_combo_box_set_up (GtkWidget *widget,
- GtkComboBox *cb);
-
-static GtkEntryClass *parent_class = NULL;
-
-guint
-gtk_combo_box_get_type ()
-{
- static guint combo_box_type = 0;
+#include "gtktogglebutton.h"
+#include "gtktreeselection.h"
+#include "gtkvseparator.h"
+#include "gtkwindow.h"
+
+#include <gdk/gdkkeysyms.h>
+
+#include <gobject/gvaluecollector.h>
+
+#include <string.h>
+#include <stdarg.h>
+
+#include "gtkmarshalers.h"
+#include "gtkintl.h"
+
+
+/* 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;
+};
+
+#define GTK_COMBO_BOX_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_COMBO_BOX, GtkComboBoxPrivate))
+
+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 *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
+ * arrow -> GtkArrow set_parent to button
+ * separator -> GtkVSepator set_parent to button
+ * 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
+ * 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
+ * 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
+ * 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);
+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);
+
+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);
+
+GType
+gtk_combo_box_get_type (void)
+{
+ static GType combo_box_type = 0;
if (!combo_box_type)
{
- GtkTypeInfo combo_box_info =
- {
- "GtkComboBox",
- sizeof (GtkComboBox),
- sizeof (GtkComboBoxClass),
- (GtkClassInitFunc) gtk_combo_box_class_init,
- (GtkObjectInitFunc) gtk_combo_box_init,
- (GtkArgFunc) NULL,
- };
+ 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 = gtk_type_unique (gtk_entry_get_type (), &combo_box_info);
+ combo_box_type = g_type_register_static (GTK_TYPE_BIN,
+ "GtkComboBox",
+ &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 *class)
+gtk_combo_box_class_init (GtkComboBoxClass *klass)
{
- GtkObjectClass *object_class;
+ GObjectClass *object_class;
+ GtkBindingSet *binding_set;
+ GtkObjectClass *gtk_object_class;
+ GtkContainerClass *container_class;
GtkWidgetClass *widget_class;
- object_class = (GtkObjectClass *) class;
- widget_class = (GtkWidgetClass *) class;
-
- parent_class = gtk_type_class (gtk_entry_get_type ());
+ binding_set = gtk_binding_set_by_class (klass);
- object_class->destroy = gtk_combo_box_destroy;
+ 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->button_press_event = gtk_combo_box_button_press;
-#if 0
- widget_class->key_press_event = gtk_combo_box_key_press;
-#endif
- widget_class->size_request = gtk_combo_box_size_request;
+ widget_class = (GtkWidgetClass *)klass;
widget_class->size_allocate = gtk_combo_box_size_allocate;
- widget_class->draw = gtk_combo_box_draw;
- widget_class->expose_event = gtk_combo_box_expose;
- widget_class->realize = gtk_combo_box_realize;
+ 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"),
+ 0,
+ G_MAXINT,
+ 0,
+ 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_READWRITE));
+
+ g_type_class_add_private (object_class, sizeof (GtkComboBoxPrivate));
+}
+
+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 *combobox)
+gtk_combo_box_init (GtkComboBox *combo_box)
{
- GTK_WIDGET_SET_FLAGS (combobox, GTK_CAN_FOCUS);
+ combo_box->priv = GTK_COMBO_BOX_GET_PRIVATE (combo_box);
- combobox->popdown = NULL;
- combobox->menu_is_down = FALSE;
+ 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;
}
-GtkWidget*
-gtk_combo_box_new (GList *popdown_strings)
+static void
+gtk_combo_box_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- GtkWidget *retval = GTK_WIDGET (gtk_type_new (gtk_combo_box_get_type ()));
- if(popdown_strings)
- gtk_combo_box_set_popdown_strings(GTK_COMBO_BOX(retval), popdown_strings);
- return retval;
+ 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;
+ }
}
-GtkWidget*
-gtk_combo_box_new_with_max_length (GList *popdown_strings,
- guint16 max)
+static void
+gtk_combo_box_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- GtkWidget *retval;
- retval = GTK_WIDGET(gtk_type_new (gtk_combo_box_get_type ()));
- GTK_ENTRY(retval)->text_max_length = max;
- if(popdown_strings)
- gtk_combo_box_set_popdown_strings(GTK_COMBO_BOX(retval), popdown_strings);
- return retval;
+ 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;
+ }
}
-void
-gtk_combo_box_set_popdown_strings(GtkComboBox *combobox,
- GList *popdown_strings)
+static void
+gtk_combo_box_state_changed (GtkWidget *widget,
+ GtkStateType previous)
{
- GList *t;
+ GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
- g_return_if_fail(combobox != NULL);
- g_return_if_fail(popdown_strings != NULL);
- if(combobox->popdown)
- gtk_widget_destroy(combobox->popdown);
+ 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);
+}
- combobox->popdown = gtk_menu_new();
- gtk_signal_connect(GTK_OBJECT(combobox->popdown),
- "show",
- GTK_SIGNAL_FUNC(gtk_combo_box_set_down),
- combobox);
- gtk_signal_connect(GTK_OBJECT(combobox->popdown),
- "hide",
- GTK_SIGNAL_FUNC(gtk_combo_box_set_up),
- combobox);
+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);
- for(t = popdown_strings; t; t = t->next)
+ if (appears_as_list)
{
- GtkWidget *mitem;
- mitem = gtk_menu_item_new_with_label(t->data);
- gtk_widget_show(mitem);
- gtk_menu_append(GTK_MENU(combobox->popdown), mitem);
- gtk_signal_connect(GTK_OBJECT(mitem), "activate",
- GTK_SIGNAL_FUNC(gtk_combo_box_item_activate),
- combobox);
+ /* 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);
- if(GTK_WIDGET_REALIZED(combobox))
- gtk_widget_set_usize(combobox->popdown,
- GTK_WIDGET(combobox)->requisition.width,
- -1);
+ /* 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_realize(GtkWidget *widget)
+gtk_combo_box_style_set (GtkWidget *widget,
+ GtkStyle *previous)
{
- GtkComboBox *cb;
+ GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
- g_return_if_fail(widget != NULL);
- g_return_if_fail(GTK_IS_COMBO_BOX(widget));
+ gtk_combo_box_check_appearance (combo_box);
- cb = GTK_COMBO_BOX(widget);
- GTK_WIDGET_CLASS(parent_class)->realize(widget);
- gdk_window_set_background (GTK_WIDGET(widget)->window,
- &widget->style->bg[GTK_WIDGET_STATE(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)]);
+}
+
+static void
+gtk_combo_box_button_toggled (GtkWidget *widget,
+ gpointer data)
+{
+ GtkComboBox *combo_box = GTK_COMBO_BOX (data);
- if(cb->popdown)
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
- gtk_widget_set_usize(cb->popdown,
- widget->requisition.width,
- -1);
+ 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_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
+gtk_combo_box_add (GtkContainer *container,
+ GtkWidget *widget)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_COMBO_BOX (widget));
- g_return_if_fail (requisition != NULL);
+ 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;
- GTK_WIDGET_CLASS(parent_class)->size_request(widget, requisition);
+ if (!combo_box->priv->tree_view && combo_box->priv->separator)
+ {
+ gtk_widget_unparent (combo_box->priv->separator);
+ combo_box->priv->separator = NULL;
- requisition->width += ARROW_SIZE_X;
- if(requisition->height < ARROW_SIZE_Y)
- requisition->height = ARROW_SIZE_Y;
+ g_object_ref (G_OBJECT (combo_box->priv->arrow));
+ gtk_widget_unparent (combo_box->priv->arrow);
+ gtk_container_add (GTK_CONTAINER (combo_box->priv->button),
+ combo_box->priv->arrow);
+ g_object_unref (G_OBJECT (combo_box->priv->arrow));
+
+ 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_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
+gtk_combo_box_remove (GtkContainer *container,
+ GtkWidget *widget)
{
- GtkComboBox *cb;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_COMBO_BOX (widget));
- g_return_if_fail (allocation != NULL);
+ GtkComboBox *combo_box = GTK_COMBO_BOX (container);
+ gboolean appears_as_list;
- cb = GTK_COMBO_BOX(widget);
+ gtk_widget_unparent (widget);
+ GTK_BIN (container)->child = NULL;
- widget->allocation = *allocation;
+ 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_WIDGET_CLASS(parent_class)->size_allocate(widget, allocation);
-#define INNER_BORDER 2
- gdk_window_resize(GTK_ENTRY(widget)->text_area,
- allocation->width - (widget->style->klass->xthickness + INNER_BORDER) * 2 - ARROW_SIZE_X,
- widget->requisition.height - (widget->style->klass->ythickness + INNER_BORDER) * 2);
+ 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_draw_arrow (GtkWidget *widget)
+gtk_combo_box_menu_show (GtkWidget *menu,
+ gpointer user_data)
{
- gint sx, sy;
+ 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);
- sx = widget->allocation.width - ARROW_SIZE_X;
- sy = ARROW_PADDING;
- widget->style->klass->draw_arrow(widget->style,
- widget->window,
- GTK_WIDGET_STATE(widget),
- GTK_SHADOW_OUT,
- GTK_ARROW_DOWN, TRUE,
- sx, sy,
- ARROW_SIZE_X - ARROW_PADDING,
- ARROW_SIZE_Y - ARROW_PADDING - 2);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
+ FALSE);
}
static void
-gtk_combo_box_draw (GtkWidget *widget,
- GdkRectangle *area)
+gtk_combo_box_detacher (GtkWidget *widget,
+ GtkMenu *menu)
{
- g_return_if_fail (widget != NULL);
+ GtkComboBox *combo_box;
+
g_return_if_fail (GTK_IS_COMBO_BOX (widget));
- g_return_if_fail (area != NULL);
- if (GTK_WIDGET_DRAWABLE (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
{
- gtk_combo_box_draw_arrow(widget);
- GTK_WIDGET_CLASS(parent_class)->draw(widget, area);
+ 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);
+ gtk_window_set_screen (GTK_WINDOW (combo_box->priv->popup_window),
+ gtk_widget_get_screen (GTK_WIDGET (combo_box)));
+
+ 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;
}
}
-static gint
-gtk_combo_box_expose (GtkWidget *widget,
- GdkEventExpose *event)
+static void
+gtk_combo_box_menu_position_below (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gint *push_in,
+ gpointer user_data)
{
- gint retval;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- gtk_combo_box_draw_arrow(widget);
- retval = GTK_WIDGET_CLASS(parent_class)->expose_event(widget, event);
- return retval;
+ gint sx, sy;
+ GtkWidget *child;
+ GtkRequisition req;
+ GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
+
+ /* FIXME: is using the size request here broken? */
+ child = GTK_BIN (combo_box)->child;
+
+ gdk_window_get_origin (child->window, &sx, &sy);
+
+ 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 + child->allocation.height;
+
+ if (GTK_WIDGET_NO_WINDOW (child))
+ {
+ *x += child->allocation.x;
+ *y += child->allocation.y;
+ }
+
+ *push_in = TRUE;
}
static void
-gtk_combo_box_position_menu(GtkMenu *menu,
- gint *x,
- gint *y,
- gpointer user_data)
+gtk_combo_box_menu_position_over (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gboolean *push_in,
+ gpointer user_data)
{
- GtkComboBox *cb;
+ GtkComboBox *combo_box;
+ GtkWidget *active;
+ GtkWidget *child;
GtkWidget *widget;
- gint rootw, rooth, wy;
+ 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;
- g_return_if_fail(user_data != NULL);
- g_return_if_fail(GTK_IS_COMBO_BOX(user_data));
+ if (GTK_WIDGET_VISIBLE (child))
+ {
+ gtk_widget_get_child_requisition (child, &requisition);
+ menu_ypos -= requisition.height;
+ }
+
+ children = children->next;
+ }
- cb = GTK_COMBO_BOX(user_data);
- widget = GTK_WIDGET(user_data);
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ menu_xpos = menu_xpos + widget->allocation.width - menu_width;
- gdk_window_get_origin(widget->window, x, &wy);
- *y = wy + widget->allocation.height;
+ /* 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);
- gdk_window_get_size(GDK_ROOT_PARENT(), &rootw, &rooth);
+ *x = menu_xpos;
+ *y = menu_ypos;
- /* This check isn't perfect - what if the menu is too big to fit on
- the screen going either up or down? *sigh* not a perfect
- world, I guess */
- if((*y + GTK_WIDGET(menu)->requisition.height) > rooth)
- *y = wy - GTK_WIDGET(menu)->requisition.height;
+ *push_in = TRUE;
}
static void
-gtk_combo_box_set_down (GtkWidget *widget,
- GtkComboBox *cb)
+gtk_combo_box_menu_position (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gint *push_in,
+ gpointer user_data)
{
- g_return_if_fail(GTK_IS_COMBO_BOX(cb));
+ 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);
+ }
- cb->menu_is_down = TRUE;
}
static void
-gtk_combo_box_set_up (GtkWidget *widget,
- GtkComboBox *cb)
+gtk_combo_box_list_position (GtkComboBox *combo_box,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height)
{
- g_return_if_fail(GTK_IS_COMBO_BOX(cb));
+ GtkWidget *sample;
+ GdkScreen *screen;
+ gint monitor_num;
+ GdkRectangle monitor;
+ GtkRequisition popup_req;
+
+ sample = GTK_BIN (combo_box)->child;
- cb->menu_is_down = FALSE;
-}
+ *width = sample->allocation.width;
+ gtk_widget_size_request (combo_box->priv->popup_window, &popup_req);
+ *height = popup_req.height;
-static gint
-gtk_combo_box_button_press (GtkWidget *widget,
- GdkEventButton *event)
-{
- GtkComboBox *cb;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- cb = GTK_COMBO_BOX(widget);
-
- if(event->window == widget->window
- && event->x > (widget->allocation.width - ARROW_SIZE_X)
- && event->x < widget->allocation.width
- && event->button == 1)
- {
- gtk_menu_popup(GTK_MENU(cb->popdown),
- NULL, NULL,
- gtk_combo_box_position_menu,
- cb, event->button,
- event->time);
- return TRUE;
+ 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;
}
+
+ 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
- return GTK_WIDGET_CLASS(parent_class)->button_press_event(widget, event);
+ *y -= *height;
+}
+
+/**
+ * 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);
+
+ gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget),
+ NULL, NULL,
+ gtk_combo_box_menu_position, 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_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);
}
-#if 0
static gint
-gtk_combo_box_key_press (GtkWidget *widget,
- GdkEventKey *event)
+gtk_combo_box_calc_requested_width (GtkComboBox *combo_box,
+ GtkTreePath *path)
{
+ gint padding;
+ GtkRequisition req;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_ENTRY (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ 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 GTK_WIDGET_CLASS(parent_class)->key_press_event(widget, event);
+ return req.width + padding;
}
-#endif
static void
-gtk_combo_box_destroy(GtkObject *object)
+gtk_combo_box_remeasure (GtkComboBox *combo_box)
{
- GtkComboBox *cb;
- g_return_if_fail(GTK_IS_COMBO_BOX(object));
+ GtkTreeIter iter;
+ GtkTreePath *path;
+ gint padding = 0;
+
+ if (!gtk_tree_model_get_iter_first (combo_box->priv->model, &iter))
+ return;
+
+ combo_box->priv->width = 0;
+
+ path = gtk_tree_path_new_from_indices (0, -1);
+
+ 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;
- cb = GTK_COMBO_BOX(object);
- if(cb->popdown)
- gtk_widget_destroy(cb->popdown);
+ 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;
- GTK_OBJECT_CLASS(parent_class)->destroy(object);
+ 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_item_activate(GtkWidget *widget,
- GtkComboBox *cb)
-{
- char *newtext = GTK_LABEL(GTK_BIN(widget)->child)->label;
+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);
+
+ 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;
+
+ 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 = 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 = 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 = 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 -= 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 = 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 = 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.height -= 2 * (
+ GTK_CONTAINER (combo_box->priv->cell_view_frame)->border_width +
+ GTK_WIDGET (combo_box->priv->cell_view_frame)->style->ythickness);
+ }
+
+ 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;
+ }
+}
+
+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->separator)
+ (* callback) (combo_box->priv->separator, callback_data);
+ if (combo_box->priv->arrow)
+ (* callback) (combo_box->priv->arrow, 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);
+
+ if (combo_box->priv->separator)
+ {
+ gtk_container_propagate_expose (GTK_CONTAINER (combo_box->priv->button),
+ combo_box->priv->separator, event);
+
+ /* if not in this case, arrow gets its expose event from button */
+ gtk_container_propagate_expose (GTK_CONTAINER (combo_box->priv->button),
+ combo_box->priv->arrow, 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 *box;
+
+ 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->separator = gtk_vseparator_new ();
+ gtk_widget_set_parent (combo_box->priv->separator,
+ combo_box->priv->button);
+ gtk_widget_show (combo_box->priv->separator);
+
+ combo_box->priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+ gtk_widget_set_parent (combo_box->priv->arrow, combo_box->priv->button);
+ gtk_widget_show (combo_box->priv->arrow);
+
+ gtk_widget_show_all (combo_box->priv->button);
+
+ if (GTK_WIDGET_MAPPED (GTK_BIN (combo_box)->child))
+ {
+ /* I have no clue why, but we need to manually map in this case. */
+ gtk_widget_map (combo_box->priv->separator);
+ gtk_widget_map (combo_box->priv->arrow);
+ }
+ }
+ 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 */
+ box = gtk_menu_new ();
+ g_signal_connect (box, "key_press_event",
+ G_CALLBACK (gtk_combo_box_menu_key_press), combo_box);
+ gtk_combo_box_set_popup_widget (combo_box, box);
+
+ /* 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;
+
+ path = gtk_tree_path_new_from_indices (i, -1);
+ 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 */
+ if (combo_box->priv->cell_view)
+ {
+ gtk_widget_unparent (combo_box->priv->arrow);
+ combo_box->priv->arrow = NULL;
+
+ gtk_widget_unparent (combo_box->priv->separator);
+ combo_box->priv->separator = NULL;
+
+ gtk_widget_unparent (combo_box->priv->button);
+ combo_box->priv->button = NULL;
+ }
+ else
+ {
+ /* will destroy the arrow too */
+ gtk_widget_unparent (combo_box->priv->button);
+
+ combo_box->priv->button = NULL;
+ combo_box->priv->arrow = 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;
+ GtkWidget *item;
+ GtkWidget *menu;
+
+ menu = combo_box->priv->popup_widget;
+ if (!GTK_IS_MENU_SHELL (menu))
+ return;
+
+ list = gtk_container_get_children (GTK_CONTAINER (menu));
+ item = g_list_nth_data (list, index);
+ g_list_free (list);
+
+ gtk_combo_box_item_get_size (combo_box, index, &cols, &rows);
+
+ /* 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;
+
+ /* do nothing unless we are in menu style */
+ if (combo_box->priv->tree_view)
+ return;
+
+ menu = combo_box->priv->popup_widget;
+
+ /* get rid of all children */
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu));
+
+ 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);
+
+ gtk_menu_popup (GTK_MENU (combo_box->priv->popup_widget),
+ NULL, NULL,
+ gtk_combo_box_menu_position, 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)]);
+
+ gtk_widget_show (combo_box->priv->cell_view_frame);
+ }
+
+ 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_SINGLE);
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (combo_box->priv->tree_view),
+ FALSE);
+ 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;
+
+ path = gtk_tree_path_new_from_indices (combo_box->priv->active_item, -1);
+ 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);
+
+ /* 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);
+
+ gtk_widget_unparent (combo_box->priv->cell_view_frame);
+ combo_box->priv->cell_view_frame = 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 (GTK_WIDGET_HAS_GRAB (combo_box->priv->tree_view))
+ gtk_grab_remove (combo_box->priv->tree_view);
+
+ if (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) ||
+ 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 = gtk_tree_model_iter_n_children (combo_box->priv->model, NULL);
+ gint index = gtk_combo_box_get_active (combo_box);
+ gint new_index;
+
+ 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;
+ }
+
+ 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;
+ GtkTreeIter iter;
+ GtkTreeModel *model = NULL;
+ 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;
+
+ 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);
+ g_return_if_fail (info != NULL);
+
+ 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_remove_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
+ {
+ path = gtk_tree_path_new_from_indices (index, -1);
+
+ 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;
+
+ 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;
+
+ path = gtk_tree_path_new_from_indices (active, -1);
+ 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).
+ *
+ * Since: 2.4
+ */
+void
+gtk_combo_box_set_model (GtkComboBox *combo_box,
+ GtkTreeModel *model)
+{
+ g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
+ 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));
+
+ 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);
+
+ 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);
+
+ 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);
+
+ if (combo_box->priv->model)
+ g_object_unref (combo_box->priv->model);
+
+ 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);
- gtk_entry_set_text(GTK_ENTRY(cb), newtext);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
projects / ~andy / gtk / blobdiff