*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 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.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
#ifndef __GTK_WIDGET_H__
#define __GTK_WIDGET_H__
-
#include <gdk/gdk.h>
-#include <gtk/gtkaccelerator.h>
+#include <gtk/gtkaccelgroup.h>
#include <gtk/gtkobject.h>
+#include <gtk/gtkadjustment.h>
#include <gtk/gtkstyle.h>
#endif /* __cplusplus */
-/* The flags that are used in the flags member of the GtkObject
- * structure.
+/* The flags that are used by GtkWidget on top of the
+ * flags field of GtkObject.
*/
-enum
+typedef enum
{
- GTK_VISIBLE = 1 << 3,
- GTK_MAPPED = 1 << 4,
- GTK_UNMAPPED = 1 << 5,
+ GTK_TOPLEVEL = 1 << 4,
+ GTK_NO_WINDOW = 1 << 5,
GTK_REALIZED = 1 << 6,
- GTK_SENSITIVE = 1 << 7,
- GTK_PARENT_SENSITIVE = 1 << 8,
- GTK_NO_WINDOW = 1 << 9,
- GTK_HAS_FOCUS = 1 << 10,
+ GTK_MAPPED = 1 << 7,
+ GTK_VISIBLE = 1 << 8,
+ GTK_SENSITIVE = 1 << 9,
+ GTK_PARENT_SENSITIVE = 1 << 10,
GTK_CAN_FOCUS = 1 << 11,
- GTK_HAS_DEFAULT = 1 << 12,
+ GTK_HAS_FOCUS = 1 << 12,
GTK_CAN_DEFAULT = 1 << 13,
- GTK_PROPAGATE_STATE = 1 << 14,
- GTK_ANCHORED = 1 << 15,
- GTK_BASIC = 1 << 16,
- GTK_USER_STYLE = 1 << 17,
- GTK_GRAB_ALL = 1 << 18,
- GTK_REDRAW_PENDING = 1 << 19,
- GTK_RESIZE_PENDING = 1 << 20,
- GTK_RESIZE_NEEDED = 1 << 21,
- GTK_HAS_SHAPE_MASK = 1 << 22
-};
-
-
-/* Macro for casting a pointer to a GtkWidget pointer.
+ GTK_HAS_DEFAULT = 1 << 14,
+ GTK_HAS_GRAB = 1 << 15,
+ GTK_RC_STYLE = 1 << 16,
+ GTK_COMPOSITE_CHILD = 1 << 17,
+ GTK_NO_REPARENT = 1 << 18,
+ GTK_APP_PAINTABLE = 1 << 19,
+ GTK_RECEIVES_DEFAULT = 1 << 20
+} GtkWidgetFlags;
+
+/* Macro for casting a pointer to a GtkWidget or GtkWidgetClass pointer.
+ * Macros for testing whether `widget' or `klass' are of type GTK_TYPE_WIDGET.
*/
-#define GTK_WIDGET(obj) GTK_CHECK_CAST (obj, gtk_widget_get_type (), GtkWidget)
+#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
+#define GTK_WIDGET(widget) (GTK_CHECK_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget))
+#define GTK_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass))
+#define GTK_IS_WIDGET(widget) (GTK_CHECK_TYPE ((widget), GTK_TYPE_WIDGET))
+#define GTK_IS_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET))
-/* Macro for casting the "class" field of an object to
- * a GtkWidgetClass pointer.
+/* Macros for extracting various fields from GtkWidget and GtkWidgetClass.
*/
-#define GTK_WIDGET_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_widget_get_type (), GtkWidgetClass)
+#define GTK_WIDGET_TYPE(wid) (GTK_OBJECT_TYPE (wid))
+#define GTK_WIDGET_STATE(wid) (GTK_WIDGET (wid)->state)
+#define GTK_WIDGET_SAVED_STATE(wid) (GTK_WIDGET (wid)->saved_state)
-/* Macros for extracting various fields from GtkWidget and
- * GtkWidgetClass structures.
+/* Macros for extracting the widget flags from GtkWidget.
*/
-#define GTK_WIDGET_TYPE(obj) (GTK_OBJECT_TYPE (obj))
-#define GTK_WIDGET_STATE(obj) (GTK_WIDGET (obj)->state)
-#define GTK_WIDGET_SAVED_STATE(obj) (GTK_WIDGET (obj)->saved_state)
-#define GTK_WIDGET_VISIBLE(obj) (GTK_OBJECT_FLAGS (obj) & GTK_VISIBLE)
-#define GTK_WIDGET_MAPPED(obj) (GTK_OBJECT_FLAGS (obj) & GTK_MAPPED)
-#define GTK_WIDGET_UNMAPPED(obj) (GTK_OBJECT_FLAGS (obj) & GTK_UNMAPPED)
-#define GTK_WIDGET_REALIZED(obj) (GTK_OBJECT_FLAGS (obj) & GTK_REALIZED)
-#define GTK_WIDGET_SENSITIVE(obj) (GTK_OBJECT_FLAGS (obj) & GTK_SENSITIVE)
-#define GTK_WIDGET_PARENT_SENSITIVE(obj) (GTK_OBJECT_FLAGS (obj) & GTK_PARENT_SENSITIVE)
-#define GTK_WIDGET_IS_SENSITIVE(obj) ((GTK_WIDGET_SENSITIVE (obj) && \
- GTK_WIDGET_PARENT_SENSITIVE (obj)) != 0)
-#define GTK_WIDGET_NO_WINDOW(obj) (GTK_OBJECT_FLAGS (obj) & GTK_NO_WINDOW)
-#define GTK_WIDGET_HAS_FOCUS(obj) (GTK_OBJECT_FLAGS (obj) & GTK_HAS_FOCUS)
-#define GTK_WIDGET_CAN_FOCUS(obj) (GTK_OBJECT_FLAGS (obj) & GTK_CAN_FOCUS)
-#define GTK_WIDGET_HAS_DEFAULT(obj) (GTK_OBJECT_FLAGS (obj) & GTK_HAS_DEFAULT)
-#define GTK_WIDGET_CAN_DEFAULT(obj) (GTK_OBJECT_FLAGS (obj) & GTK_CAN_DEFAULT)
-#define GTK_WIDGET_PROPAGATE_STATE(obj) (GTK_OBJECT_FLAGS (obj) & GTK_PROPAGATE_STATE)
-#define GTK_WIDGET_DRAWABLE(obj) (GTK_WIDGET_VISIBLE (obj) && GTK_WIDGET_MAPPED (obj))
-#define GTK_WIDGET_ANCHORED(obj) (GTK_OBJECT_FLAGS (obj) & GTK_ANCHORED)
-#define GTK_WIDGET_BASIC(obj) (GTK_OBJECT_FLAGS (obj) & GTK_BASIC)
-#define GTK_WIDGET_USER_STYLE(obj) (GTK_OBJECT_FLAGS (obj) & GTK_USER_STYLE)
-#define GTK_WIDGET_GRAB_ALL(obj) (GTK_OBJECT_FLAGS (obj) & GTK_GRAB_ALL)
-#define GTK_WIDGET_REDRAW_PENDING(obj) (GTK_OBJECT_FLAGS (obj) & GTK_REDRAW_PENDING)
-#define GTK_WIDGET_RESIZE_PENDING(obj) (GTK_OBJECT_FLAGS (obj) & GTK_RESIZE_PENDING)
-#define GTK_WIDGET_RESIZE_NEEDED(obj) (GTK_OBJECT_FLAGS (obj) & GTK_RESIZE_NEEDED)
-#define GTK_WIDGET_HAS_SHAPE_MASK(obj) (GTK_OBJECT_FLAGS (obj) & GTK_HAS_SHAPE_MASK)
-
-#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
-
-/* Macro for testing whether "obj" is of type GtkWidget.
+#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
+#define GTK_WIDGET_TOPLEVEL(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL) != 0)
+#define GTK_WIDGET_NO_WINDOW(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW) != 0)
+#define GTK_WIDGET_REALIZED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_REALIZED) != 0)
+#define GTK_WIDGET_MAPPED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_MAPPED) != 0)
+#define GTK_WIDGET_VISIBLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_VISIBLE) != 0)
+#define GTK_WIDGET_DRAWABLE(wid) (GTK_WIDGET_VISIBLE (wid) && GTK_WIDGET_MAPPED (wid))
+#define GTK_WIDGET_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_SENSITIVE) != 0)
+#define GTK_WIDGET_PARENT_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_PARENT_SENSITIVE) != 0)
+#define GTK_WIDGET_IS_SENSITIVE(wid) (GTK_WIDGET_SENSITIVE (wid) && \
+ GTK_WIDGET_PARENT_SENSITIVE (wid))
+#define GTK_WIDGET_CAN_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_FOCUS) != 0)
+#define GTK_WIDGET_HAS_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_FOCUS) != 0)
+#define GTK_WIDGET_CAN_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_DEFAULT) != 0)
+#define GTK_WIDGET_HAS_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT) != 0)
+#define GTK_WIDGET_HAS_GRAB(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB) != 0)
+#define GTK_WIDGET_RC_STYLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RC_STYLE) != 0)
+#define GTK_WIDGET_COMPOSITE_CHILD(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_COMPOSITE_CHILD) != 0)
+#define GTK_WIDGET_APP_PAINTABLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_APP_PAINTABLE) != 0)
+#define GTK_WIDGET_RECEIVES_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RECEIVES_DEFAULT) != 0)
+
+/* Macros for setting and clearing widget flags.
*/
-#define GTK_IS_WIDGET(obj) GTK_CHECK_TYPE (obj, GTK_TYPE_WIDGET)
-
-/* Macros for setting and clearing widget flags. Notice
- * that these are only wrappers for the macros which
- * set and clear the flags in the GtkObject structure.
- */
-#define GTK_WIDGET_SET_FLAGS(obj,flag) (GTK_OBJECT_SET_FLAGS (obj, flag))
-#define GTK_WIDGET_UNSET_FLAGS(obj,flag) (GTK_OBJECT_UNSET_FLAGS (obj, flag))
-
-
-
-typedef struct _GtkRequisition GtkRequisition;
-typedef struct _GtkAllocation GtkAllocation;
+#define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END
+#define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END
+
+
+
+typedef struct _GtkRequisition GtkRequisition;
+typedef struct _GtkAllocation GtkAllocation;
typedef struct _GtkSelectionData GtkSelectionData;
-typedef struct _GtkWidget GtkWidget;
-typedef struct _GtkWidgetClass GtkWidgetClass;
+typedef struct _GtkWidgetClass GtkWidgetClass;
typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
typedef void (*GtkCallback) (GtkWidget *widget,
- gpointer data);
+ gpointer data);
/* A requisition is a desired amount of space which a
* widget may request.
*/
struct _GtkRequisition
{
- guint16 width;
- guint16 height;
+ gint16 width;
+ gint16 height;
};
/* An allocation is a size and position. Where a widget
no fields should be modified directly, they should not be created
directly, and pointers to them should not be stored beyond the duration of
a callback. (If the last is changed, we'll need to add reference
- counting) */
+ counting.) The time field gives the timestamp at which the data was sent. */
struct _GtkSelectionData
{
GdkAtom selection;
GdkAtom target;
GdkAtom type;
- gint format;
+ gint format;
guchar *data;
- gint length;
+ gint length;
};
/* The widget is the base of the tree for displayable objects.
* GtkObject pointer.
*/
GtkObject object;
-
+
+ /* 16 bits of internally used private flags.
+ * this will be packed into the same 4 byte alignment frame that
+ * state and saved_state go. we therefore don't waste any new
+ * space on this.
+ */
+ guint16 private_flags;
+
/* The state of the widget. There are actually only
* 5 widget states (defined in "gtkenums.h").
*/
guint8 state;
-
+
/* The saved state of the widget. When a widgets state
- * is changed via "gtk_widget_set_state" the old state
- * is kept around in this field. The state may be
- * restored using "gtk_widget_restore_state".
+ * is changed to GTK_STATE_INSENSITIVE via
+ * "gtk_widget_set_state" or "gtk_widget_set_sensitive"
+ * the old state is kept around in this field. The state
+ * will be restored once the widget gets sensitive again.
*/
guint8 saved_state;
-
+
/* The widgets name. If the widget does not have a name
* (the name is NULL), then its name (as returned by
* "gtk_widget_get_name") is its classes name.
- * The widget name is used to determine the style to
- * use for a widget.
+ * Among other things, the widget name is used to determine
+ * the style to use for a widget.
*/
gchar *name;
-
+
/* The style for the widget. The style contains the
* colors the widget should be drawn in for each state
* along with graphics contexts used to draw with and
* the font to use for text.
*/
GtkStyle *style;
-
+
/* The widgets desired size.
*/
GtkRequisition requisition;
-
+
/* The widgets allocated size.
*/
GtkAllocation allocation;
-
+
/* The widgets window or its parent window if it does
* not have a window. (Which will be indicated by the
* GTK_NO_WINDOW flag being set).
*/
GdkWindow *window;
-
+
/* The widgets parent.
*/
GtkWidget *parent;
* pointer.
*/
GtkObjectClass parent_class;
-
- /* The signal to emit when an object of this class is activated.
- * This is used when activating the current focus widget and
- * the default widget.
+
+ /* The signal to emit when a widget of this class is activated,
+ * gtk_widget_activate() handles the emission.
+ * Implementation of this signal is optional.
*/
- gint activate_signal;
+ guint activate_signal;
+ /* This signal is emitted when a widget of this class is added
+ * to a scrolling aware parent, gtk_widget_set_scroll_adjustments()
+ * handles the emission.
+ * Implementation of this signal is optional.
+ */
+ guint set_scroll_adjustments_signal;
+
/* basics */
- void (* show) (GtkWidget *widget);
- void (* hide) (GtkWidget *widget);
+ void (* show) (GtkWidget *widget);
void (* show_all) (GtkWidget *widget);
+ void (* hide) (GtkWidget *widget);
void (* hide_all) (GtkWidget *widget);
- void (* map) (GtkWidget *widget);
- void (* unmap) (GtkWidget *widget);
- void (* realize) (GtkWidget *widget);
- void (* unrealize) (GtkWidget *widget);
- void (* draw) (GtkWidget *widget,
+ void (* map) (GtkWidget *widget);
+ void (* unmap) (GtkWidget *widget);
+ void (* realize) (GtkWidget *widget);
+ void (* unrealize) (GtkWidget *widget);
+ void (* draw) (GtkWidget *widget,
GdkRectangle *area);
- void (* draw_focus) (GtkWidget *widget);
- void (* draw_default) (GtkWidget *widget);
- void (* size_request) (GtkWidget *widget,
+ void (* draw_focus) (GtkWidget *widget);
+ void (* draw_default) (GtkWidget *widget);
+ void (* size_request) (GtkWidget *widget,
GtkRequisition *requisition);
void (* size_allocate) (GtkWidget *widget,
GtkAllocation *allocation);
- void (* state_changed) (GtkWidget *widget);
-
+ void (* state_changed) (GtkWidget *widget,
+ GtkStateType previous_state);
+ void (* parent_set) (GtkWidget *widget,
+ GtkWidget *previous_parent);
+ void (* style_set) (GtkWidget *widget,
+ GtkStyle *previous_style);
+
/* accelerators */
- gint (* install_accelerator) (GtkWidget *widget,
- const gchar *signal_name,
- gchar key,
- guint8 modifiers);
+ gint (* add_accelerator) (GtkWidget *widget,
+ guint accel_signal_id,
+ GtkAccelGroup *accel_group,
+ guint accel_key,
+ GdkModifierType accel_mods,
+ GtkAccelFlags accel_flags);
void (* remove_accelerator) (GtkWidget *widget,
- const gchar *signal_name);
+ GtkAccelGroup *accel_group,
+ guint accel_key,
+ GdkModifierType accel_mods);
+ /* explicit focus */
+ void (* grab_focus) (GtkWidget *widget);
+
/* events */
- gint (* event) (GtkWidget *widget,
- GdkEvent *event);
- gint (* button_press_event) (GtkWidget *widget,
- GdkEventButton *event);
- gint (* button_release_event) (GtkWidget *widget,
- GdkEventButton *event);
- gint (* motion_notify_event) (GtkWidget *widget,
- GdkEventMotion *event);
- gint (* delete_event) (GtkWidget *widget,
- GdkEventAny *event);
- gint (* destroy_event) (GtkWidget *widget,
- GdkEventAny *event);
- gint (* expose_event) (GtkWidget *widget,
- GdkEventExpose *event);
- gint (* key_press_event) (GtkWidget *widget,
- GdkEventKey *event);
- gint (* key_release_event) (GtkWidget *widget,
- GdkEventKey *event);
- gint (* enter_notify_event) (GtkWidget *widget,
- GdkEventCrossing *event);
- gint (* leave_notify_event) (GtkWidget *widget,
- GdkEventCrossing *event);
- gint (* configure_event) (GtkWidget *widget,
- GdkEventConfigure *event);
- gint (* focus_in_event) (GtkWidget *widget,
- GdkEventFocus *event);
- gint (* focus_out_event) (GtkWidget *widget,
- GdkEventFocus *event);
- gint (* map_event) (GtkWidget *widget,
- GdkEventAny *event);
- gint (* unmap_event) (GtkWidget *widget,
- GdkEventAny *event);
- gint (* property_notify_event) (GtkWidget *widget,
- GdkEventProperty *event);
- gint (* selection_clear_event) (GtkWidget *widget,
- GdkEventSelection *event);
- gint (* selection_request_event) (GtkWidget *widget,
- GdkEventSelection *event);
- gint (* selection_notify_event) (GtkWidget *widget,
- GdkEventSelection *event);
- gint (* proximity_in_event) (GtkWidget *widget,
- GdkEventProximity *event);
- gint (* proximity_out_event) (GtkWidget *widget,
- GdkEventProximity *event);
- gint (* drag_begin_event) (GtkWidget *widget,
- GdkEventDragBegin *event);
- gint (* drag_request_event) (GtkWidget *widget,
- GdkEventDragRequest *event);
- gint (* drop_enter_event) (GtkWidget *widget,
- GdkEventDropEnter *event);
- gint (* drop_leave_event) (GtkWidget *widget,
- GdkEventDropLeave *event);
- gint (* drop_data_available_event) (GtkWidget *widget,
- GdkEventDropDataAvailable *event);
- gint (* other_event) (GtkWidget *widget,
- GdkEventOther *event);
+ gint (* event) (GtkWidget *widget,
+ GdkEvent *event);
+ gint (* button_press_event) (GtkWidget *widget,
+ GdkEventButton *event);
+ gint (* button_release_event) (GtkWidget *widget,
+ GdkEventButton *event);
+ gint (* motion_notify_event) (GtkWidget *widget,
+ GdkEventMotion *event);
+ gint (* delete_event) (GtkWidget *widget,
+ GdkEventAny *event);
+ gint (* destroy_event) (GtkWidget *widget,
+ GdkEventAny *event);
+ gint (* expose_event) (GtkWidget *widget,
+ GdkEventExpose *event);
+ gint (* key_press_event) (GtkWidget *widget,
+ GdkEventKey *event);
+ gint (* key_release_event) (GtkWidget *widget,
+ GdkEventKey *event);
+ gint (* enter_notify_event) (GtkWidget *widget,
+ GdkEventCrossing *event);
+ gint (* leave_notify_event) (GtkWidget *widget,
+ GdkEventCrossing *event);
+ gint (* configure_event) (GtkWidget *widget,
+ GdkEventConfigure *event);
+ gint (* focus_in_event) (GtkWidget *widget,
+ GdkEventFocus *event);
+ gint (* focus_out_event) (GtkWidget *widget,
+ GdkEventFocus *event);
+ gint (* map_event) (GtkWidget *widget,
+ GdkEventAny *event);
+ gint (* unmap_event) (GtkWidget *widget,
+ GdkEventAny *event);
+ gint (* property_notify_event) (GtkWidget *widget,
+ GdkEventProperty *event);
+ gint (* selection_clear_event) (GtkWidget *widget,
+ GdkEventSelection *event);
+ gint (* selection_request_event) (GtkWidget *widget,
+ GdkEventSelection *event);
+ gint (* selection_notify_event) (GtkWidget *widget,
+ GdkEventSelection *event);
+ gint (* proximity_in_event) (GtkWidget *widget,
+ GdkEventProximity *event);
+ gint (* proximity_out_event) (GtkWidget *widget,
+ GdkEventProximity *event);
+ gint (* visibility_notify_event) (GtkWidget *widget,
+ GdkEventVisibility *event);
+ gint (* client_event) (GtkWidget *widget,
+ GdkEventClient *event);
+ gint (* no_expose_event) (GtkWidget *widget,
+ GdkEventAny *event);
/* selection */
- void (* selection_received) (GtkWidget *widget,
- GtkSelectionData *selection_data);
-
- gint (* client_event) (GtkWidget *widget,
- GdkEventClient *event);
+ void (* selection_get) (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time);
+ void (* selection_received) (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint time);
+
+ /* Source side drag signals */
+ void (* drag_begin) (GtkWidget *widget,
+ GdkDragContext *context);
+ void (* drag_end) (GtkWidget *widget,
+ GdkDragContext *context);
+ void (* drag_data_get) (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time);
+ void (* drag_data_delete) (GtkWidget *widget,
+ GdkDragContext *context);
+
+ /* Target side drag signals */
+ void (* drag_leave) (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time);
+ gboolean (* drag_motion) (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+ gboolean (* drag_drop) (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+ void (* drag_data_received) (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time);
+
+ /* action signals */
+ void (* debug_msg) (GtkWidget *widget,
+ const gchar *string);
+
+ /* Padding for future expandsion */
+ GtkFunction pad1;
+ GtkFunction pad2;
+ GtkFunction pad3;
+ GtkFunction pad4;
};
struct _GtkWidgetAuxInfo
{
gint16 x;
gint16 y;
- guint16 width;
- guint16 height;
+ gint16 width;
+ gint16 height;
};
struct _GtkWidgetShapeInfo
};
-guint gtk_widget_get_type (void);
-GtkWidget* gtk_widget_new (guint type,
+GtkType gtk_widget_get_type (void);
+GtkWidget* gtk_widget_new (GtkType type,
+ const gchar *first_arg_name,
...);
-GtkWidget* gtk_widget_newv (guint type,
- gint nargs,
- GtkArg *args);
-void gtk_widget_set (GtkWidget *widget,
+GtkWidget* gtk_widget_newv (GtkType type,
+ guint nargs,
+ GtkArg *args);
+void gtk_widget_ref (GtkWidget *widget);
+void gtk_widget_unref (GtkWidget *widget);
+void gtk_widget_destroy (GtkWidget *widget);
+void gtk_widget_destroyed (GtkWidget *widget,
+ GtkWidget **widget_pointer);
+void gtk_widget_get (GtkWidget *widget,
+ GtkArg *arg);
+void gtk_widget_getv (GtkWidget *widget,
+ guint nargs,
+ GtkArg *args);
+void gtk_widget_set (GtkWidget *widget,
+ const gchar *first_arg_name,
...);
-void gtk_widget_setv (GtkWidget *widget,
- gint nargs,
- GtkArg *args);
-void gtk_widget_destroy (GtkWidget *widget);
-void gtk_widget_unparent (GtkWidget *widget);
-void gtk_widget_show (GtkWidget *widget);
-void gtk_widget_hide (GtkWidget *widget);
-void gtk_widget_show_all (GtkWidget *widget);
-void gtk_widget_hide_all (GtkWidget *widget);
-void gtk_widget_map (GtkWidget *widget);
-void gtk_widget_unmap (GtkWidget *widget);
-void gtk_widget_realize (GtkWidget *widget);
-void gtk_widget_unrealize (GtkWidget *widget);
-void gtk_widget_queue_draw (GtkWidget *widget);
-void gtk_widget_queue_resize (GtkWidget *widget);
-void gtk_widget_draw (GtkWidget *widget,
- GdkRectangle *area);
-void gtk_widget_draw_focus (GtkWidget *widget);
-void gtk_widget_draw_default (GtkWidget *widget);
-void gtk_widget_draw_children (GtkWidget *widget);
-void gtk_widget_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-void gtk_widget_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-void gtk_widget_install_accelerator (GtkWidget *widget,
- GtkAcceleratorTable *table,
- const gchar *signal_name,
- gchar key,
- guint8 modifiers);
-void gtk_widget_remove_accelerator (GtkWidget *widget,
- GtkAcceleratorTable *table,
- const gchar *signal_name);
-gint gtk_widget_event (GtkWidget *widget,
- GdkEvent *event);
-
-void gtk_widget_activate (GtkWidget *widget);
-void gtk_widget_reparent (GtkWidget *widget,
- GtkWidget *new_parent);
-void gtk_widget_popup (GtkWidget *widget,
+void gtk_widget_setv (GtkWidget *widget,
+ guint nargs,
+ GtkArg *args);
+void gtk_widget_unparent (GtkWidget *widget);
+void gtk_widget_show (GtkWidget *widget);
+void gtk_widget_show_now (GtkWidget *widget);
+void gtk_widget_hide (GtkWidget *widget);
+void gtk_widget_show_all (GtkWidget *widget);
+void gtk_widget_hide_all (GtkWidget *widget);
+void gtk_widget_map (GtkWidget *widget);
+void gtk_widget_unmap (GtkWidget *widget);
+void gtk_widget_realize (GtkWidget *widget);
+void gtk_widget_unrealize (GtkWidget *widget);
+
+/* Queuing draws */
+void gtk_widget_queue_draw (GtkWidget *widget);
+void gtk_widget_queue_draw_area (GtkWidget *widget,
gint x,
- gint y);
-gint gtk_widget_intersect (GtkWidget *widget,
- GdkRectangle *area,
- GdkRectangle *intersection);
-gint gtk_widget_basic (GtkWidget *widget);
-
-void gtk_widget_grab_focus (GtkWidget *widget);
-void gtk_widget_grab_default (GtkWidget *widget);
-
-void gtk_widget_restore_state (GtkWidget *widget);
-void gtk_widget_set_name (GtkWidget *widget,
- const gchar *name);
-gchar* gtk_widget_get_name (GtkWidget *widget);
-void gtk_widget_set_state (GtkWidget *widget,
- GtkStateType state);
-void gtk_widget_set_sensitive (GtkWidget *widget,
- gint sensitive);
-void gtk_widget_set_parent (GtkWidget *widget,
- GtkWidget *parent);
-void gtk_widget_set_style (GtkWidget *widget,
- GtkStyle *style);
-void gtk_widget_set_uposition (GtkWidget *widget,
+ gint y,
+ gint width,
+ gint height);
+void gtk_widget_queue_clear (GtkWidget *widget);
+void gtk_widget_queue_clear_area (GtkWidget *widget,
gint x,
- gint y);
-void gtk_widget_set_usize (GtkWidget *widget,
+ gint y,
gint width,
gint height);
-void gtk_widget_set_events (GtkWidget *widget,
- gint events);
-void gtk_widget_set_extension_events (GtkWidget *widget,
- GdkExtensionMode mode);
-
-GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
-GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
- gint type);
-GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
-GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
-GtkStyle* gtk_widget_get_style (GtkWidget *widget);
-gint gtk_widget_get_events (GtkWidget *widget);
-GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget);
-void gtk_widget_get_pointer (GtkWidget *widget,
- gint *x,
- gint *y);
-
-gint gtk_widget_is_ancestor (GtkWidget *widget,
- GtkWidget *ancestor);
-gint gtk_widget_is_child (GtkWidget *widget,
- GtkWidget *child);
-
-void gtk_widget_push_colormap (GdkColormap *cmap);
-void gtk_widget_push_visual (GdkVisual *visual);
-void gtk_widget_push_style (GtkStyle *style);
-
-void gtk_widget_pop_colormap (void);
-void gtk_widget_pop_visual (void);
-void gtk_widget_pop_style (void);
-
-void gtk_widget_set_default_colormap (GdkColormap *colormap);
-void gtk_widget_set_default_visual (GdkVisual *visual);
-void gtk_widget_set_default_style (GtkStyle *style);
-/* Tells other Gtk applications to use the same default style */
-void gtk_widget_propagate_default_style(void);
+
+
+void gtk_widget_queue_resize (GtkWidget *widget);
+void gtk_widget_draw (GtkWidget *widget,
+ GdkRectangle *area);
+void gtk_widget_draw_focus (GtkWidget *widget);
+void gtk_widget_draw_default (GtkWidget *widget);
+void gtk_widget_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+void gtk_widget_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+void gtk_widget_get_child_requisition (GtkWidget *widget,
+ GtkRequisition *requisition);
+void gtk_widget_add_accelerator (GtkWidget *widget,
+ const gchar *accel_signal,
+ GtkAccelGroup *accel_group,
+ guint accel_key,
+ guint accel_mods,
+ GtkAccelFlags accel_flags);
+void gtk_widget_remove_accelerator (GtkWidget *widget,
+ GtkAccelGroup *accel_group,
+ guint accel_key,
+ guint accel_mods);
+void gtk_widget_remove_accelerators (GtkWidget *widget,
+ const gchar *accel_signal,
+ gboolean visible_only);
+guint gtk_widget_accelerator_signal (GtkWidget *widget,
+ GtkAccelGroup *accel_group,
+ guint accel_key,
+ guint accel_mods);
+void gtk_widget_lock_accelerators (GtkWidget *widget);
+void gtk_widget_unlock_accelerators (GtkWidget *widget);
+gint gtk_widget_event (GtkWidget *widget,
+ GdkEvent *event);
+
+gboolean gtk_widget_activate (GtkWidget *widget);
+gboolean gtk_widget_set_scroll_adjustments (GtkWidget *widget,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+
+void gtk_widget_reparent (GtkWidget *widget,
+ GtkWidget *new_parent);
+void gtk_widget_popup (GtkWidget *widget,
+ gint x,
+ gint y);
+gint gtk_widget_intersect (GtkWidget *widget,
+ GdkRectangle *area,
+ GdkRectangle *intersection);
+
+void gtk_widget_grab_focus (GtkWidget *widget);
+void gtk_widget_grab_default (GtkWidget *widget);
+
+void gtk_widget_set_name (GtkWidget *widget,
+ const gchar *name);
+gchar* gtk_widget_get_name (GtkWidget *widget);
+void gtk_widget_set_state (GtkWidget *widget,
+ GtkStateType state);
+void gtk_widget_set_sensitive (GtkWidget *widget,
+ gboolean sensitive);
+void gtk_widget_set_app_paintable (GtkWidget *widget,
+ gboolean app_paintable);
+void gtk_widget_set_parent (GtkWidget *widget,
+ GtkWidget *parent);
+void gtk_widget_set_parent_window (GtkWidget *widget,
+ GdkWindow *parent_window);
+GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget);
+void gtk_widget_set_uposition (GtkWidget *widget,
+ gint x,
+ gint y);
+void gtk_widget_set_usize (GtkWidget *widget,
+ gint width,
+ gint height);
+void gtk_widget_set_events (GtkWidget *widget,
+ gint events);
+void gtk_widget_add_events (GtkWidget *widget,
+ gint events);
+void gtk_widget_set_extension_events (GtkWidget *widget,
+ GdkExtensionMode mode);
+
+GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget);
+GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
+GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
+ GtkType widget_type);
+GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
+GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
+
+/* The following functions must not be called on an already
+ * realized widget. Because it is possible that somebody
+ * can call get_colormap() or get_visual() and save the
+ * result, these functions are probably only safe to
+ * call in a widget's init() function.
+ */
+void gtk_widget_set_colormap (GtkWidget *widget,
+ GdkColormap *colormap);
+void gtk_widget_set_visual (GtkWidget *widget,
+ GdkVisual *visual);
+
+
+gint gtk_widget_get_events (GtkWidget *widget);
+void gtk_widget_get_pointer (GtkWidget *widget,
+ gint *x,
+ gint *y);
+
+gint gtk_widget_is_ancestor (GtkWidget *widget,
+ GtkWidget *ancestor);
+
+/* Hide widget and return TRUE.
+ */
+gint gtk_widget_hide_on_delete (GtkWidget *widget);
+
+/* Widget styles.
+ */
+void gtk_widget_set_style (GtkWidget *widget,
+ GtkStyle *style);
+void gtk_widget_set_rc_style (GtkWidget *widget);
+void gtk_widget_ensure_style (GtkWidget *widget);
+GtkStyle* gtk_widget_get_style (GtkWidget *widget);
+void gtk_widget_restore_default_style (GtkWidget *widget);
+
+void gtk_widget_modify_style (GtkWidget *widget,
+ GtkRcStyle *style);
+
+/* handle composite names for GTK_COMPOSITE_CHILD widgets,
+ * the returned name is newly allocated.
+ */
+void gtk_widget_set_composite_name (GtkWidget *widget,
+ gchar *name);
+gchar* gtk_widget_get_composite_name (GtkWidget *widget);
+
+/* Descend recursively and set rc-style on all widgets without user styles */
+void gtk_widget_reset_rc_styles (GtkWidget *widget);
+
+/* Push/pop pairs, to change default values upon a widget's creation.
+ * This will override the values that got set by the
+ * gtk_widget_set_default_* () functions.
+ */
+void gtk_widget_push_style (GtkStyle *style);
+void gtk_widget_push_colormap (GdkColormap *cmap);
+void gtk_widget_push_visual (GdkVisual *visual);
+void gtk_widget_push_composite_child (void);
+void gtk_widget_pop_composite_child (void);
+void gtk_widget_pop_style (void);
+void gtk_widget_pop_colormap (void);
+void gtk_widget_pop_visual (void);
+
+/* Set certain default values to be used at widget creation time.
+ */
+void gtk_widget_set_default_style (GtkStyle *style);
+void gtk_widget_set_default_colormap (GdkColormap *colormap);
+void gtk_widget_set_default_visual (GdkVisual *visual);
+GtkStyle* gtk_widget_get_default_style (void);
GdkColormap* gtk_widget_get_default_colormap (void);
GdkVisual* gtk_widget_get_default_visual (void);
-GtkStyle* gtk_widget_get_default_style (void);
-/*
- * see gdk_window_shape_combine_mask
+/* Counterpart to gdk_window_shape_combine_mask.
*/
-void gtk_widget_shape_combine_mask (GtkWidget *widget,
+void gtk_widget_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y);
-/*
- * When you get a drag_enter event, you can use this to tell Gtk of other
- * items that are to be dragged as well...
- */
-void gtk_widget_dnd_drag_add (GtkWidget *widget);
+/* internal function */
+void gtk_widget_reset_shapes (GtkWidget *widget);
-/*
- * These two functions enable drag and/or drop on a widget,
- * and also let Gtk know what data types will be accepted (use MIME type
- * naming, plus tacking "URL:" on the front for link dragging)
- */
-void gtk_widget_dnd_drag_set (GtkWidget *widget,
- guint8 drag_enable,
- gchar **type_accept_list,
- guint numtypes);
-void gtk_widget_dnd_drop_set (GtkWidget *widget,
- guint8 drop_enable,
- gchar **type_accept_list,
- guint numtypes,
- guint8 is_destructive_operation);
-
-/*
- * used to reply to a DRAG_REQUEST event - if you don't want to
- * give the data then pass in NULL for it
+/* Compute a widget's path in the form "GtkWindow.MyLabel", and
+ * return newly alocated strings.
*/
-void gtk_widget_dnd_data_set (GtkWidget *widget,
- GdkEvent *event,
- gpointer data,
- gulong data_numbytes);
+void gtk_widget_path (GtkWidget *widget,
+ guint *path_length,
+ gchar **path,
+ gchar **path_reversed);
+void gtk_widget_class_path (GtkWidget *widget,
+ guint *path_length,
+ gchar **path,
+ gchar **path_reversed);
+
+#if defined (GTK_TRACE_OBJECTS) && defined (__GNUC__)
+# define gtk_widget_ref gtk_object_ref
+# define gtk_widget_unref gtk_object_unref
+#endif /* GTK_TRACE_OBJECTS && __GNUC__ */
+
+
#ifdef __cplusplus
}
projects / ~andy / gtk / blobdiff