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Support input shapes: (#331070)

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2006-02-19  Matthias Clasen  <mclasen@redhat.com>

	Support input shapes:  (#331070)

	* gdk/gdk.symbols:
	* gdk/gdkdisplay.h:
	* gdk/gdkwindow.h:
	* gdk/x11/gdkdisplay-x11.c (gdk_display_supports_shapes)
	(gdk_display_supports_input_shapes): Functions to determine
	if a display supports shaped windows or input shapes.

	* gdk/x11/gdkwindow-x11.c (gdk_window_input_shape_combine_region):
	(gdk_window_input_shape_combine_mask):
	(gdk_window_set_child_input_shapes):
	(gdk_window_merge_child_input_shapes): Input shape versions
	of the window shape API.

	* gtk/gtk.symbols:
	* gtk/gtkwidget.h:
	* gtk/gtkwidget.c (gtk_widget_input_shape_combine_mask):
	New function to set an input shape on a widget.
This commit is contained in:
Matthias Clasen
2006-02-20 01:36:50 +00:00
committed by Matthias Clasen
parent 2447b0365e
commit 1ad93a683b
10 changed files with 423 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
ChangeLog
View File

@ -1,3 +1,25 @@
2006-02-19 Matthias Clasen <mclasen@redhat.com>
Support input shapes: (#331070)
* gdk/gdk.symbols:
* gdk/gdkdisplay.h:
* gdk/gdkwindow.h:
* gdk/x11/gdkdisplay-x11.c (gdk_display_supports_shapes)
(gdk_display_supports_input_shapes): Functions to determine
if a display supports shaped windows or input shapes.
* gdk/x11/gdkwindow-x11.c (gdk_window_input_shape_combine_region):
(gdk_window_input_shape_combine_mask):
(gdk_window_set_child_input_shapes):
(gdk_window_merge_child_input_shapes): Input shape versions
of the window shape API.
* gtk/gtk.symbols:
* gtk/gtkwidget.h:
* gtk/gtkwidget.c (gtk_widget_input_shape_combine_mask):
New function to set an input shape on a widget.
2006-02-19 Matthias Clasen <mclasen@redhat.com>
* gtk/gtklinkbutton.c (gtk_link_button_class_init): Fix

22
ChangeLog.pre-2-10
View File

@ -1,3 +1,25 @@
2006-02-19 Matthias Clasen <mclasen@redhat.com>
Support input shapes: (#331070)
* gdk/gdk.symbols:
* gdk/gdkdisplay.h:
* gdk/gdkwindow.h:
* gdk/x11/gdkdisplay-x11.c (gdk_display_supports_shapes)
(gdk_display_supports_input_shapes): Functions to determine
if a display supports shaped windows or input shapes.
* gdk/x11/gdkwindow-x11.c (gdk_window_input_shape_combine_region):
(gdk_window_input_shape_combine_mask):
(gdk_window_set_child_input_shapes):
(gdk_window_merge_child_input_shapes): Input shape versions
of the window shape API.
* gtk/gtk.symbols:
* gtk/gtkwidget.h:
* gtk/gtkwidget.c (gtk_widget_input_shape_combine_mask):
New function to set an input shape on a widget.
2006-02-19 Matthias Clasen <mclasen@redhat.com>
* gtk/gtklinkbutton.c (gtk_link_button_class_init): Fix

6
gdk/gdk.symbols
View File

@ -460,6 +460,8 @@ gdk_display_request_selection_notification
gdk_display_store_clipboard
gdk_display_supports_clipboard_persistence
gdk_display_supports_selection_notification
gdk_display_supports_shapes
gdk_display_supports_input_shapes
#endif
#endif
@ -728,6 +730,8 @@ gdk_window_get_events
gdk_window_set_events
gdk_window_shape_combine_mask
gdk_window_shape_combine_region
gdk_window_input_shape_combine_mask
gdk_window_input_shape_combine_region
gdk_window_set_override_redirect
gdk_window_set_accept_focus
gdk_window_set_focus_on_map
@ -751,6 +755,8 @@ gdk_window_set_decorations
gdk_window_set_functions
gdk_window_set_child_shapes
gdk_window_merge_child_shapes
gdk_window_set_child_input_shapes
gdk_window_merge_child_input_shapes
gdk_window_set_static_gravities
gdk_window_begin_move_drag
gdk_window_begin_resize_drag

3
gdk/gdkdisplay.h
View File

@ -179,6 +179,9 @@ void gdk_display_store_clipboard (GdkDisplay *display,
GdkAtom *targets,
gint n_targets);
gboolean gdk_display_supports_shapes (GdkDisplay *display);
gboolean gdk_display_supports_input_shapes (GdkDisplay *display);
G_END_DECLS
#endif /* __GDK_DISPLAY_H__ */

12
gdk/gdkwindow.h
View File

@ -396,6 +396,18 @@ void gdk_window_set_child_shapes (GdkWindow *window);
*/
void gdk_window_merge_child_shapes (GdkWindow *window);
void gdk_window_input_shape_combine_mask (GdkWindow *window,
GdkBitmap *mask,
gint x,
gint y);
void gdk_window_input_shape_combine_region (GdkWindow *window,
GdkRegion *shape_region,
gint offset_x,
gint offset_y);
void gdk_window_set_child_input_shapes (GdkWindow *window);
void gdk_window_merge_child_input_shapes (GdkWindow *window);
/*
* Check if a window has been shown, and whether all its
* parents up to a toplevel have been shown, respectively.

58
gdk/x11/gdkdisplay-x11.c
View File

@ -50,6 +50,11 @@
#include <X11/extensions/Xfixes.h>
#endif
#ifdef HAVE_SHAPE_EXT
#include <X11/extensions/shape.h>
#endif
static void gdk_display_x11_class_init (GdkDisplayX11Class *class);
static void gdk_display_x11_dispose (GObject *object);
static void gdk_display_x11_finalize (GObject *object);
@ -158,8 +163,9 @@ gdk_display_open (const gchar *display_name)
XClassHint *class_hint;
gulong pid;
gint i;
#ifdef HAVE_XFIXES
#if defined(HAVE_XFIXES) || defined(HAVE_SHAPE_EXT)
gint ignore;
gint maj, min;
#endif
xdisplay = XOpenDisplay (display_name);
@ -224,7 +230,20 @@ gdk_display_open (const gchar *display_name)
}
else
#endif
display_x11->have_xfixes = FALSE;
display_x11->have_xfixes = FALSE;
display_x11->have_shapes = FALSE;
display_x11->have_input_shapes = FALSE;
#ifdef HAVE_SHAPE_EXT
if (XShapeQueryExtension (GDK_DISPLAY_XDISPLAY (display), &ignore, &ignore))
{
display_x11->have_shapes = TRUE;
#ifdef ShapeInput
if (XShapeQueryVersion (GDK_DISPLAY_XDISPLAY (display), &maj, &min))
display_x11->have_input_shapes = (maj == 1 && min >= 1);
#endif
}
#endif
if (_gdk_synchronize)
XSynchronize (display_x11->xdisplay, True);
@ -1237,5 +1256,40 @@ gdk_x11_display_get_user_time (GdkDisplay *display)
return GDK_DISPLAY_X11 (display)->user_time;
}
/**
* gdk_display_supports_shapes:
* @display: a #GdkDisplay
*
* Returns %TRUE if gdk_window_shape_combine_mask() can
* be used to create shaped windows on @display.
*
* Returns: %TRUE if shaped windows are supported
*
* Since: 2.10
*/
gboolean
gdk_display_supports_shapes (GdkDisplay *display)
{
return GDK_DISPLAY_X11 (display)->have_shapes;
}
/**
* gdk_display_supports_input_shapes:
* @display: a #GdkDisplay
*
* Returns %TRUE if gdk_window_input_shape_combine_mask() can
* be used to modify the input shape of windows on @display.
*
* Returns: %TRUE if windows with modified input shape are supported
*
* Since: 2.10
*/
gboolean
gdk_display_supports_input_shapes (GdkDisplay *display)
{
return GDK_DISPLAY_X11 (display)->have_input_shapes;
}
#define __GDK_DISPLAY_X11_C__
#include "gdkaliasdef.c"

314
gdk/x11/gdkwindow-x11.c
View File

@ -83,7 +83,6 @@ const int _gdk_nenvent_masks = sizeof (_gdk_event_mask_table) / sizeof (int);
/* Forward declarations */
static void gdk_window_set_static_win_gravity (GdkWindow *window,
gboolean on);
static gboolean gdk_window_have_shape_ext (GdkDisplay *display);
static gboolean gdk_window_icon_name_set (GdkWindow *window);
static void gdk_window_add_colormap_windows (GdkWindow *window);
static void set_wm_name (GdkDisplay *display,
@ -3686,19 +3685,6 @@ gdk_window_add_colormap_windows (GdkWindow *window)
XFree (old_windows);
}
static gboolean
gdk_window_have_shape_ext (GdkDisplay *display)
{
#ifdef HAVE_SHAPE_EXT
int ignore;
return XShapeQueryExtension (GDK_DISPLAY_XDISPLAY (display),
&ignore, &ignore);
#else
return 0;
#endif
}
#define WARN_SHAPE_TOO_BIG() g_warning ("GdkWindow is too large to allow the use of shape masks or shape regions.")
/*
@ -3706,6 +3692,60 @@ gdk_window_have_shape_ext (GdkDisplay *display)
* If not available, shaped windows will look
* ugly, but programs still work. Stefan Wille
*/
static void
do_shape_combine_mask (GdkWindow *window,
GdkBitmap *mask,
gint x,
gint y,
gint shape)
{
GdkWindowObject *private = (GdkWindowObject *)window;
Pixmap pixmap;
gint xoffset, yoffset;
g_return_if_fail (GDK_IS_WINDOW (window));
#ifdef HAVE_SHAPE_EXT
if (GDK_WINDOW_DESTROYED (window))
return;
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
if (xoffset != 0 || yoffset != 0)
{
WARN_SHAPE_TOO_BIG ();
return;
}
if (shape == ShapeBounding
? gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window))
: gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
{
if (mask)
{
pixmap = GDK_PIXMAP_XID (mask);
private->shaped = (shape == ShapeBounding);
}
else
{
x = 0;
y = 0;
pixmap = None;
private->shaped = FALSE;
}
XShapeCombineMask (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
shape,
x, y,
pixmap,
ShapeSet);
}
#endif /* HAVE_SHAPE_EXT */
}
/**
* gdk_window_shape_combine_mask:
* @window: a #GdkWindow
@ -3733,10 +3773,55 @@ gdk_window_have_shape_ext (GdkDisplay *display)
void
gdk_window_shape_combine_mask (GdkWindow *window,
GdkBitmap *mask,
gint x, gint y)
gint x,
gint y)
{
do_shape_combine_mask (window, mask, x, y, ShapeBounding);
}
/**
* gdk_window_input_shape_combine_mask:
* @window: a #GdkWindow
* @mask: shape mask
* @x: X position of shape mask with respect to @window
* @y: Y position of shape mask with respect to @window
*
* Like gdk_window_shape_combine_mask(), but the shape applies
* only to event handling. Mouse events which happen while
* the pointer position corresponds to an unset bit in the
* mask will be passed on the window below @window.
*
* An input shape is typically used with RGBA windows.
* The alpha channel of the window defines which pixels are
* invisible and allows for nicely antialiased borders,
* and the input shape controls where the window is
* "clickable".
*
* On the X11 platform, this requires version 1.1 of the
* shape extension.
*
* Since: 2.10
*/
void
gdk_window_input_shape_combine_mask (GdkWindow *window,
GdkBitmap *mask,
gint x,
gint y)
{
#ifdef ShapeInput
do_shape_combine_mask (window, mask, x, y, ShapeInput);
#endif
}
static void
do_shape_combine_region (GdkWindow *window,
GdkRegion *shape_region,
gint offset_x,
gint offset_y,
gint shape)
{
GdkWindowObject *private = (GdkWindowObject *)window;
Pixmap pixmap;
gint xoffset, yoffset;
g_return_if_fail (GDK_IS_WINDOW (window));
@ -3753,29 +3838,35 @@ gdk_window_shape_combine_mask (GdkWindow *window,
return;
}
if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
if (shape_region == NULL)
{
if (mask)
{
pixmap = GDK_PIXMAP_XID (mask);
private->shaped = TRUE;
}
else
{
x = 0;
y = 0;
pixmap = None;
/* Use NULL mask to unset the shape */
gdk_window_shape_combine_mask (window, NULL, 0, 0);
return;
}
if (shape == ShapeBounding
? gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window))
: gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
{
gint n_rects = 0;
XRectangle *xrects = NULL;
private->shaped = FALSE;
}
private->shaped = shape == ShapeBounding;
_gdk_region_get_xrectangles (shape_region,
0, 0,
&xrects, &n_rects);
XShapeCombineMask (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
ShapeBounding,
x, y,
pixmap,
ShapeSet);
XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
shape,
offset_x, offset_y,
xrects, n_rects,
ShapeSet,
YXBanded);
g_free (xrects);
}
#endif /* HAVE_SHAPE_EXT */
}
@ -3810,52 +3901,41 @@ gdk_window_shape_combine_region (GdkWindow *window,
gint offset_x,
gint offset_y)
{
GdkWindowObject *private = (GdkWindowObject *)window;
gint xoffset, yoffset;
g_return_if_fail (GDK_IS_WINDOW (window));
#ifdef HAVE_SHAPE_EXT
if (GDK_WINDOW_DESTROYED (window))
return;
do_shape_combine_region (window, shape_region, offset_x, offset_y, ShapeBounding);
}
_gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
if (xoffset != 0 || yoffset != 0)
{
WARN_SHAPE_TOO_BIG ();
return;
}
if (shape_region == NULL)
{
/* Use NULL mask to unset the shape */
gdk_window_shape_combine_mask (window, NULL, 0, 0);
return;
}
if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
{
gint n_rects = 0;
XRectangle *xrects = NULL;
private->shaped = TRUE;
_gdk_region_get_xrectangles (shape_region,
0, 0,
&xrects, &n_rects);
XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
ShapeBounding,
offset_x, offset_y,
xrects, n_rects,
ShapeSet,
YXBanded);
g_free (xrects);
}
#endif /* HAVE_SHAPE_EXT */
/**
* gdk_window_input_shape_combine_region:
* @window: a #GdkWindow
* @shape_region: region of window to be non-transparent
* @offset_x: X position of @shape_region in @window coordinates
* @offset_y: Y position of @shape_region in @window coordinates
*
* Like gdk_window_shape_combine_region(), but the shape applies
* only to event handling. Mouse events which happen while
* the pointer position corresponds to an unset bit in the
* mask will be passed on the window below @window.
*
* An input shape is typically used with RGBA windows.
* The alpha channel of the window defines which pixels are
* invisible and allows for nicely antialiased borders,
* and the input shape controls where the window is
* "clickable".
*
* On the X11 platform, this requires version 1.1 of the
* shape extension.
*
* Since: 2.10
*/
void
gdk_window_input_shape_combine_region (GdkWindow *window,
GdkRegion *shape_region,
gint offset_x,
gint offset_y)
{
#ifdef ShapeInput
do_shape_combine_region (window, shape_region, offset_x, offset_y, ShapeInput);
#endif
}
@ -5120,7 +5200,8 @@ gdk_add_rectangles (Display *disp,
static void
gdk_propagate_shapes (Display *disp,
Window win,
gboolean merge)
gboolean merge,
int shape)
{
Window rt, par, *list = NULL;
gint i, j, num = 0, num_rects = 0;
@ -5225,7 +5306,7 @@ gdk_propagate_shapes (Display *disp,
/* set the rects as the shape mask */
if (rects)
{
XShapeCombineRectangles (disp, win, ShapeBounding, 0, 0, rects, num_rects,
XShapeCombineRectangles (disp, win, shape, 0, 0, rects, num_rects,
ShapeSet, YXSorted);
g_free (rects);
}
@ -5261,11 +5342,12 @@ gdk_window_set_child_shapes (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
#ifdef HAVE_SHAPE_EXT
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window)))
gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), FALSE);
GDK_WINDOW_XID (window), FALSE, ShapeBounding);
#endif
}
@ -5281,7 +5363,6 @@ gdk_window_set_child_shapes (GdkWindow *window)
* This function is distinct from gdk_window_set_child_shapes()
* because it includes @window's shape mask in the set of shapes to
* be merged.
*
**/
void
gdk_window_merge_child_shapes (GdkWindow *window)
@ -5290,12 +5371,69 @@ gdk_window_merge_child_shapes (GdkWindow *window)
#ifdef HAVE_SHAPE_EXT
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window)))
gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), TRUE);
GDK_WINDOW_XID (window), TRUE, ShapeBounding);
#endif
}
/**
* gdk_window_set_child_input_shapes:
* @window: a #GdkWindow
*
* Sets the input shape mask of @window to the union of input shape masks
* for all children of @window, ignoring the input shape mask of @window
* itself. Contrast with gdk_window_merge_child_input_shapes() which includes
* the input shape mask of @window in the masks to be merged.
*
* Since: 2.10
**/
void
gdk_window_set_child_input_shapes (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
#ifdef HAVE_SHAPE_EXT
#ifdef ShapeInput
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), FALSE, ShapeInput);
#endif
#endif
}
/**
* gdk_window_merge_child_input_shapes:
* @window: a #GdkWindow
*
* Merges the input shape masks for any child windows into the
* input shape mask for @window. i.e. the union of all input masks
* for @window and its children will become the new input mask
* for @window. See gdk_window_input_shape_combine_mask().
*
* This function is distinct from gdk_window_set_child_input_shapes()
* because it includes @window's input shape mask in the set of
* shapes to be merged.
*
* Since: 2.10
**/
void
gdk_window_merge_child_input_shapes (GdkWindow *window)
{
g_return_if_fail (GDK_IS_WINDOW (window));
#ifdef HAVE_SHAPE_EXT
#ifdef ShapeInput
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), TRUE, ShapeInput);
#endif
#endif
}
static void
gdk_window_set_static_bit_gravity (GdkWindow *window, gboolean on)
{

1
gtk/gtk.symbols
View File

@ -3970,6 +3970,7 @@ gtk_widget_set_size_request
gtk_widget_set_state
gtk_widget_set_style
gtk_widget_shape_combine_mask
gtk_widget_input_shape_combine_mask
gtk_widget_show
gtk_widget_show_all
gtk_widget_show_now

86
gtk/gtkwidget.c
View File

@ -250,6 +250,7 @@ static GQuark quark_event_mask = 0;
static GQuark quark_extension_event_mode = 0;
static GQuark quark_parent_window = 0;
static GQuark quark_shape_info = 0;
static GQuark quark_input_shape_info = 0;
static GQuark quark_colormap = 0;
static GQuark quark_pango_context = 0;
static GQuark quark_rc_style = 0;
@ -324,6 +325,7 @@ gtk_widget_class_init (GtkWidgetClass *klass)
quark_extension_event_mode = g_quark_from_static_string ("gtk-extension-event-mode");
quark_parent_window = g_quark_from_static_string ("gtk-parent-window");
quark_shape_info = g_quark_from_static_string ("gtk-shape-info");
quark_input_shape_info = g_quark_from_static_string ("gtk-input-shape-info");
quark_colormap = g_quark_from_static_string ("gtk-colormap");
quark_pango_context = g_quark_from_static_string ("gtk-pango-context");
quark_rc_style = g_quark_from_static_string ("gtk-rc-style");
@ -2352,6 +2354,13 @@ gtk_widget_realize (GtkWidget *widget)
shape_info->offset_y);
}
shape_info = g_object_get_qdata (G_OBJECT (widget), quark_input_shape_info);
if (shape_info)
gdk_window_input_shape_combine_mask (widget->window,
shape_info->shape_mask,
shape_info->offset_x,
shape_info->offset_y);
if (!GTK_WIDGET_NO_WINDOW (widget))
{
mode = gtk_widget_get_extension_events (widget);
@ -2380,7 +2389,10 @@ gtk_widget_unrealize (GtkWidget *widget)
g_return_if_fail (GTK_IS_WIDGET (widget));
if (GTK_WIDGET_HAS_SHAPE_MASK (widget))
gtk_widget_shape_combine_mask (widget, NULL, -1, -1);
gtk_widget_shape_combine_mask (widget, NULL, 0, 0);
if (g_object_get_qdata (G_OBJECT (widget), quark_input_shape_info))
gtk_widget_input_shape_combine_mask (widget, NULL, 0, 0);
if (GTK_WIDGET_REALIZED (widget))
{
@ -2792,8 +2804,6 @@ gtk_widget_queue_shallow_draw (GtkWidget *widget)
GdkRectangle rect;
GdkRegion *region;
g_return_if_fail (GTK_IS_WIDGET (widget));
if (!GTK_WIDGET_REALIZED (widget))
return;
@ -3880,7 +3890,7 @@ static void
gtk_widget_reparent_fixup_child (GtkWidget *widget,
gpointer client_data)
{
g_return_if_fail (client_data != NULL);
g_assert (client_data != NULL);
if (GTK_WIDGET_NO_WINDOW (widget))
{
@ -4636,8 +4646,6 @@ gtk_widget_reset_rc_style (GtkWidget *widget)
GtkStyle *new_style = NULL;
gboolean initial_emission;
g_return_if_fail (GTK_IS_WIDGET (widget));
initial_emission = !GTK_WIDGET_RC_STYLE (widget) && !GTK_WIDGET_USER_STYLE (widget);
GTK_PRIVATE_UNSET_FLAG (widget, GTK_USER_STYLE);
@ -5766,8 +5774,6 @@ gtk_widget_set_usize_internal (GtkWidget *widget,
GtkWidgetAuxInfo *aux_info;
gboolean changed = FALSE;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_object_freeze_notify (G_OBJECT (widget));
aux_info = _gtk_widget_get_aux_info (widget, TRUE);
@ -5894,9 +5900,7 @@ gtk_widget_set_size_request (GtkWidget *widget,
* gtk_widget_set_size_request(). To get the size a widget will
* actually use, call gtk_widget_size_request() instead of
* this function.
*
**/
void
gtk_widget_get_size_request (GtkWidget *widget,
gint *width,
@ -5930,7 +5934,6 @@ gtk_widget_get_size_request (GtkWidget *widget,
* mask. This function can't be used with #GTK_NO_WINDOW widgets;
* to get events on those widgets, place them inside a #GtkEventBox
* and receive events on the event box.
*
**/
void
gtk_widget_set_events (GtkWidget *widget,
@ -6745,7 +6748,7 @@ gtk_widget_finalize (GObject *object)
static void
gtk_widget_real_map (GtkWidget *widget)
{
g_return_if_fail (GTK_WIDGET_REALIZED (widget) == TRUE);
g_assert (GTK_WIDGET_REALIZED (widget));
if (!GTK_WIDGET_MAPPED (widget))
{
@ -6787,7 +6790,7 @@ gtk_widget_real_unmap (GtkWidget *widget)
static void
gtk_widget_real_realize (GtkWidget *widget)
{
g_return_if_fail (GTK_WIDGET_NO_WINDOW (widget));
g_assert (GTK_WIDGET_NO_WINDOW (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
if (widget->parent)
@ -7046,8 +7049,8 @@ gtk_widget_shape_combine_mask (GtkWidget *widget,
shape_info->offset_x = offset_x;
shape_info->offset_y = offset_y;
/* set shape if widget has a gdk window allready.
* otherwise the shape is scheduled to be set by gtk_widget_realize.
/* set shape if widget has a gdk window already.
* otherwise the shape is scheduled to be set by gtk_widget_realize().
*/
if (widget->window)
gdk_window_shape_combine_mask (widget->window, shape_mask,
@ -7055,6 +7058,59 @@ gtk_widget_shape_combine_mask (GtkWidget *widget,
}
}
/**
* gtk_widget_input_shape_combine_mask:
* @widget: a #GtkWidget.
* @shape_mask: shape to be added, or %NULL to remove an existing shape.
* @offset_x: X position of shape mask with respect to @window.
* @offset_y: Y position of shape mask with respect to @window.
*
* Sets an input shape for this widget's GDK window. This allows for
* windows which react to mouse click in a nonrectangular region, see
* gdk_window_input_shape_combine_mask() for more information.
*
* Since: 2.10
**/
void
gtk_widget_input_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y)
{
GtkWidgetShapeInfo* shape_info;
g_return_if_fail (GTK_IS_WIDGET (widget));
/* set_shape doesn't work on widgets without gdk window */
g_return_if_fail (!GTK_WIDGET_NO_WINDOW (widget));
if (!shape_mask)
{
if (widget->window)
gdk_window_input_shape_combine_mask (widget->window, NULL, 0, 0);
g_object_set_qdata (G_OBJECT (widget), quark_input_shape_info, NULL);
}
else
{
shape_info = g_slice_new (GtkWidgetShapeInfo);
g_object_set_qdata_full (G_OBJECT (widget), quark_input_shape_info,
shape_info,
(GDestroyNotify) gtk_widget_shape_info_destroy);
shape_info->shape_mask = g_object_ref (shape_mask);
shape_info->offset_x = offset_x;
shape_info->offset_y = offset_y;
/* set shape if widget has a gdk window already.
* otherwise the shape is scheduled to be set by gtk_widget_realize().
*/
if (widget->window)
gdk_window_input_shape_combine_mask (widget->window, shape_mask,
offset_x, offset_y);
}
}
static void
gtk_reset_shapes_recurse (GtkWidget *widget,
GdkWindow *window)

4
gtk/gtkwidget.h
View File

@ -744,6 +744,10 @@ void gtk_widget_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y);
void gtk_widget_input_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y);
/* internal function */
void gtk_widget_reset_shapes (GtkWidget *widget);