--- /dev/null
+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* gdkgeometry-win32.c: emulation of 32 bit coordinates within the
+ * limits of Win32 GDI. Just a copy of the X11 version, more or less.
+ * Probably totally bogus in functionality. Just a quick hack, to
+ * get the thing to build. Need to write some test code for it.
+ * Well, need to find out what it is supposed to do first ;-)
+ *
+ * The X11 version by Owen Taylor <otaylor@redhat.com>
+ * Copyright Red Hat, Inc. 2000
+ * Win32 hack by Tor Lillqvist <tml@iki.fi>
+ */
+
+#include "gdk.h" /* For gdk_rectangle_intersect */
+#include "gdkregion.h"
+#include "gdkregion-generic.h"
+#include "gdkinternals.h"
+#include "gdkprivate-win32.h"
+
+typedef struct _GdkWindowQueueItem GdkWindowQueueItem;
+typedef struct _GdkWindowParentPos GdkWindowParentPos;
+
+typedef enum {
+ GDK_WINDOW_QUEUE_TRANSLATE,
+ GDK_WINDOW_QUEUE_ANTIEXPOSE
+} GdkWindowQueueType;
+
+struct _GdkWindowQueueItem
+{
+ GdkWindow *window;
+ gulong serial;
+ GdkWindowQueueType type;
+ union {
+ struct {
+ gint dx;
+ gint dy;
+ } translate;
+ struct {
+ GdkRegion *area;
+ } antiexpose;
+ } u;
+};
+
+struct _GdkWindowParentPos
+{
+ gint x;
+ gint y;
+ gint win32_x;
+ gint win32_y;
+ GdkRectangle clip_rect;
+};
+
+static void gdk_window_compute_position (GdkWindow *window,
+ GdkWindowParentPos *parent_pos,
+ GdkWin32PositionInfo *info);
+static void gdk_window_compute_parent_pos (GdkWindow *window,
+ GdkWindowParentPos *parent_pos);
+static void gdk_window_premove (GdkWindow *window,
+ GdkWindowParentPos *parent_pos);
+static void gdk_window_postmove (GdkWindow *window,
+ GdkWindowParentPos *parent_pos);
+static void gdk_window_queue_translation (GdkWindow *window,
+ gint dx,
+ gint dy);
+static void gdk_window_tmp_unset_bg (GdkWindow *window);
+static void gdk_window_tmp_reset_bg (GdkWindow *window);
+static void gdk_window_clip_changed (GdkWindow *window,
+ GdkRectangle *old_clip,
+ GdkRectangle *new_clip);
+
+static GSList *translate_queue = NULL;
+
+void
+_gdk_windowing_window_get_offsets (GdkWindow *window,
+ gint *x_offset,
+ gint *y_offset)
+{
+ GdkWindowWin32Data *data = GDK_WINDOW_WIN32DATA (window);
+
+ *x_offset = data->position_info.x_offset;
+ *y_offset = data->position_info.y_offset;
+}
+
+void
+_gdk_window_init_position (GdkWindow *window)
+{
+ GdkWindowWin32Data *data;
+ GdkWindowParentPos parent_pos;
+
+ g_return_if_fail (window != NULL);
+ g_return_if_fail (GDK_IS_WINDOW (window));
+
+ data = GDK_WINDOW_WIN32DATA (window);
+
+ gdk_window_compute_parent_pos (window, &parent_pos);
+ gdk_window_compute_position (window, &parent_pos, &data->position_info);
+}
+
+void
+_gdk_window_move_resize_child (GdkWindow *window,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+ GdkWin32PositionInfo new_info;
+ GdkWindowParentPos parent_pos;
+ GdkWindowWin32Data *data;
+ RECT rect;
+ GList *tmp_list;
+ gint d_xoffset, d_yoffset;
+ gint dx, dy;
+ gboolean is_move;
+ gboolean is_resize;
+
+ g_return_if_fail (window != NULL);
+ g_return_if_fail (GDK_IS_WINDOW (window));
+
+ data = GDK_WINDOW_WIN32DATA (window);
+
+ dx = x - private->x;
+ dy = y - private->y;
+
+ is_move = dx != 0 || dy != 0;
+ is_resize = private->drawable.width != width || private->drawable.height != height;
+
+ if (!is_move && !is_resize)
+ return;
+
+ private->x = x;
+ private->y = y;
+ private->drawable.width = width;
+ private->drawable.height = height;
+
+ gdk_window_compute_parent_pos (window, &parent_pos);
+ gdk_window_compute_position (window, &parent_pos, &new_info);
+
+ gdk_window_clip_changed (window, &data->position_info.clip_rect, &new_info.clip_rect);
+
+ parent_pos.x += private->x;
+ parent_pos.y += private->y;
+ parent_pos.win32_x += new_info.x;
+ parent_pos.win32_y += new_info.y;
+ parent_pos.clip_rect = new_info.clip_rect;
+
+ d_xoffset = new_info.x_offset - data->position_info.x_offset;
+ d_yoffset = new_info.y_offset - data->position_info.y_offset;
+
+ if (d_xoffset != 0 || d_yoffset != 0)
+ {
+ gint new_x0, new_y0, new_x1, new_y1;
+
+ gdk_window_set_static_gravities (window, TRUE);
+
+ if (d_xoffset < 0 || d_yoffset < 0)
+ gdk_window_queue_translation (window, MIN (d_xoffset, 0), MIN (d_yoffset, 0));
+
+ if (d_xoffset < 0)
+ {
+ new_x0 = data->position_info.x + d_xoffset;
+ new_x1 = data->position_info.x + data->position_info.width;
+ }
+ else
+ {
+ new_x0 = data->position_info.x;
+ new_x1 = data->position_info.x + new_info.width + d_xoffset;
+ }
+
+ if (d_yoffset < 0)
+ {
+ new_y0 = data->position_info.y + d_yoffset;
+ new_y1 = data->position_info.y + data->position_info.height;
+ }
+ else
+ {
+ new_y0 = data->position_info.y;
+ new_y1 = data->position_info.y + new_info.height + d_yoffset;
+ }
+
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_x0, new_y0, new_x1 - new_x0, new_y1 - new_y0,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_premove (tmp_list->data, &parent_pos);
+ tmp_list = tmp_list->next;
+ }
+
+ GetClientRect (GDK_DRAWABLE_XID (window), &rect);
+
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_x0 + dx, new_y0 + dy,
+ rect.right - rect.left, rect.bottom - rect.top,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+
+ if (d_xoffset > 0 || d_yoffset > 0)
+ gdk_window_queue_translation (window, MAX (d_xoffset, 0), MAX (d_yoffset, 0));
+
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_info.x, new_info.y, new_info.width, new_info.height,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+
+ if (data->position_info.no_bg)
+ gdk_window_tmp_reset_bg (window);
+
+ if (!data->position_info.mapped && new_info.mapped && private->mapped)
+ ShowWindow (GDK_DRAWABLE_XID (window), SW_SHOWNA);
+
+ data->position_info = new_info;
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_postmove (tmp_list->data, &parent_pos);
+ tmp_list = tmp_list->next;
+ }
+ }
+ else
+ {
+ if (is_move && is_resize)
+ gdk_window_set_static_gravities (window, FALSE);
+
+ if (data->position_info.mapped && !new_info.mapped)
+ ShowWindow (GDK_DRAWABLE_XID (window), SW_HIDE);
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_premove (tmp_list->data, &parent_pos);
+ tmp_list = tmp_list->next;
+ }
+
+ if (is_resize)
+ {
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_info.x, new_info.y, new_info.width, new_info.height,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+ }
+ else
+ {
+ GetClientRect (GDK_DRAWABLE_XID (window), &rect);
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_info.x, new_info.y,
+ rect.right - rect.left, rect.bottom - rect.top,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+ }
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_postmove (tmp_list->data, &parent_pos);
+ tmp_list = tmp_list->next;
+ }
+
+ if (data->position_info.no_bg)
+ gdk_window_tmp_reset_bg (window);
+
+ if (!data->position_info.mapped && new_info.mapped && private->mapped)
+ ShowWindow (GDK_DRAWABLE_XID (window), SW_SHOWNA);
+
+ data->position_info = new_info;
+ }
+}
+
+static void
+gdk_window_compute_position (GdkWindow *window,
+ GdkWindowParentPos *parent_pos,
+ GdkWin32PositionInfo *info)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+ int parent_x_offset;
+ int parent_y_offset;
+
+ info->big = FALSE;
+
+ if (private->drawable.width <= 32768)
+ {
+ info->width = private->drawable.width;
+ info->x = parent_pos->x + private->x - parent_pos->win32_x;
+ }
+ else
+ {
+ info->big = TRUE;
+ info->width = 32768;
+ if (parent_pos->x + private->x < -16384)
+ {
+ if (parent_pos->x + private->x + private->drawable.width < 16384)
+ info->x = parent_pos->x + private->x + private->drawable.width - 32768 - parent_pos->win32_x;
+ else
+ info->x = -16384 - parent_pos->win32_y;
+ }
+ else
+ info->x = parent_pos->x + private->x - parent_pos->win32_x;
+ }
+
+ if (private->drawable.height <= 32768)
+ {
+ info->height = private->drawable.height;
+ info->y = parent_pos->y + private->y - parent_pos->win32_y;
+ }
+ else
+ {
+ info->big = TRUE;
+ info->height = 32768;
+ if (parent_pos->y + private->y < -16384)
+ {
+ if (parent_pos->y + private->y + private->drawable.height < 16384)
+ info->y = parent_pos->y + private->y + private->drawable.height - 32768 - parent_pos->win32_y;
+ else
+ info->y = -16384 - parent_pos->win32_y;
+ }
+ else
+ info->y = parent_pos->y + private->y - parent_pos->win32_y;
+ }
+
+ parent_x_offset = parent_pos->win32_x - parent_pos->x;
+ parent_y_offset = parent_pos->win32_y - parent_pos->y;
+
+ info->x_offset = parent_x_offset + info->x - private->x;
+ info->y_offset = parent_y_offset + info->y - private->y;
+
+ /* We don't considering the clipping of toplevel windows and their immediate children
+ * by their parents, and simply always map those windows.
+ */
+ if (parent_pos->clip_rect.width == G_MAXINT)
+ info->mapped = TRUE;
+ /* Check if the window would wrap around into the visible space in either direction */
+ else if (info->x + parent_x_offset < parent_pos->clip_rect.x + parent_pos->clip_rect.width - 65536 ||
+ info->x + info->width + parent_x_offset > parent_pos->clip_rect.x + 65536 ||
+ info->y + parent_y_offset < parent_pos->clip_rect.y + parent_pos->clip_rect.height - 65536 ||
+ info->y + info->width + parent_y_offset > parent_pos->clip_rect.y + 65536)
+ info->mapped = FALSE;
+ else
+ info->mapped = TRUE;
+
+ info->no_bg = FALSE;
+
+ if (GDK_DRAWABLE_TYPE (private) == GDK_WINDOW_CHILD)
+ {
+ info->clip_rect.x = private->x;
+ info->clip_rect.y = private->y;
+ info->clip_rect.width = private->drawable.width;
+ info->clip_rect.height = private->drawable.height;
+
+ gdk_rectangle_intersect (&info->clip_rect, &parent_pos->clip_rect, &info->clip_rect);
+
+ info->clip_rect.x -= private->x;
+ info->clip_rect.y -= private->y;
+ }
+ else
+ {
+ info->clip_rect.x = 0;
+ info->clip_rect.y = 0;
+ info->clip_rect.width = G_MAXINT;
+ info->clip_rect.height = G_MAXINT;
+ }
+}
+
+static void
+gdk_window_compute_parent_pos (GdkWindow *window,
+ GdkWindowParentPos *parent_pos)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+ GdkWindowWin32Data *data;
+ GdkRectangle tmp_clip;
+
+ int clip_xoffset = 0;
+ int clip_yoffset = 0;
+
+ parent_pos->x = 0;
+ parent_pos->y = 0;
+ parent_pos->win32_x = 0;
+ parent_pos->win32_y = 0;
+
+ /* We take a simple approach here and simply consider toplevel
+ * windows not to clip their children on the right/bottom, since the
+ * size of toplevel windows is not directly under our
+ * control. Clipping only really matters when scrolling and
+ * generally we aren't going to be moving the immediate child of a
+ * toplevel beyond the bounds of that toplevel.
+ *
+ * We could go ahead and recompute the clips of toplevel windows and
+ * their descendents when we receive size notification, but it would
+ * probably not be an improvement in most cases.
+ */
+ parent_pos->clip_rect.x = 0;
+ parent_pos->clip_rect.y = 0;
+ parent_pos->clip_rect.width = G_MAXINT;
+ parent_pos->clip_rect.height = G_MAXINT;
+
+ private = (GdkWindowPrivate *)private->parent;
+ while (private && private->drawable.window_type == GDK_WINDOW_CHILD)
+ {
+ data = (GdkWindowWin32Data *)private->drawable.klass_data;
+
+ tmp_clip.x = - clip_xoffset;
+ tmp_clip.y = - clip_yoffset;
+ tmp_clip.width = private->drawable.width;
+ tmp_clip.height = private->drawable.height;
+
+ gdk_rectangle_intersect (&parent_pos->clip_rect, &tmp_clip, &parent_pos->clip_rect);
+
+ parent_pos->x += private->x;
+ parent_pos->y += private->y;
+ parent_pos->win32_x += data->position_info.x;
+ parent_pos->win32_y += data->position_info.y;
+
+ clip_xoffset += private->x;
+ clip_yoffset += private->y;
+
+ private = (GdkWindowPrivate *)private->parent;
+ }
+}
+
+static void
+gdk_window_premove (GdkWindow *window,
+ GdkWindowParentPos *parent_pos)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+ GdkWindowWin32Data *data = GDK_WINDOW_WIN32DATA (window);
+ GdkWin32PositionInfo new_info;
+ GList *tmp_list;
+ gint d_xoffset, d_yoffset;
+ GdkWindowParentPos this_pos;
+
+ gdk_window_compute_position (window, parent_pos, &new_info);
+
+ gdk_window_clip_changed (window, &data->position_info.clip_rect, &new_info.clip_rect);
+
+ this_pos.x = parent_pos->x + private->x;
+ this_pos.y = parent_pos->y + private->y;
+ this_pos.win32_x = parent_pos->win32_x + new_info.x;
+ this_pos.win32_y = parent_pos->win32_y + new_info.y;
+ this_pos.clip_rect = new_info.clip_rect;
+
+ if (data->position_info.mapped && !new_info.mapped)
+ ShowWindow (GDK_DRAWABLE_XID (window), SW_HIDE);
+
+ d_xoffset = new_info.x_offset - data->position_info.x_offset;
+ d_yoffset = new_info.y_offset - data->position_info.y_offset;
+
+ if (d_xoffset != 0 || d_yoffset != 0)
+ {
+ gint new_x0, new_y0, new_x1, new_y1;
+
+ if (d_xoffset < 0 || d_yoffset < 0)
+ gdk_window_queue_translation (window, MIN (d_xoffset, 0), MIN (d_yoffset, 0));
+
+ if (d_xoffset < 0)
+ {
+ new_x0 = data->position_info.x + d_xoffset;
+ new_x1 = data->position_info.x + data->position_info.width;
+ }
+ else
+ {
+ new_x0 = data->position_info.x;
+ new_x1 = data->position_info.x + new_info.width + d_xoffset;
+ }
+
+ if (d_yoffset < 0)
+ {
+ new_y0 = data->position_info.y + d_yoffset;
+ new_y1 = data->position_info.y + data->position_info.height;
+ }
+ else
+ {
+ new_y0 = data->position_info.y;
+ new_y1 = data->position_info.y + new_info.height + d_yoffset;
+ }
+
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_x0, new_y0, new_x1 - new_x0, new_y1 - new_y0,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+ }
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_premove (tmp_list->data, &this_pos);
+ tmp_list = tmp_list->next;
+ }
+}
+
+static void
+gdk_window_postmove (GdkWindow *window,
+ GdkWindowParentPos *parent_pos)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+ GdkWindowWin32Data *data = (GdkWindowWin32Data *)private->drawable.klass_data;
+ GdkWin32PositionInfo new_info;
+ GList *tmp_list;
+ gint d_xoffset, d_yoffset;
+ GdkWindowParentPos this_pos;
+
+ gdk_window_compute_position (window, parent_pos, &new_info);
+
+ this_pos.x = parent_pos->x + private->x;
+ this_pos.y = parent_pos->y + private->y;
+ this_pos.win32_x = parent_pos->win32_x + new_info.x;
+ this_pos.win32_y = parent_pos->win32_y + new_info.y;
+ this_pos.clip_rect = new_info.clip_rect;
+
+ d_xoffset = new_info.x_offset - data->position_info.x_offset;
+ d_yoffset = new_info.y_offset - data->position_info.y_offset;
+
+ if (d_xoffset != 0 || d_yoffset != 0)
+ {
+ if (d_xoffset > 0 || d_yoffset > 0)
+ gdk_window_queue_translation (window, MAX (d_xoffset, 0), MAX (d_yoffset, 0));
+
+ if (!MoveWindow (GDK_DRAWABLE_XID (window),
+ new_info.x, new_info.y, new_info.width, new_info.height,
+ FALSE))
+ WIN32_API_FAILED ("MoveWindow");
+ }
+
+ if (!data->position_info.mapped && new_info.mapped && private->mapped)
+ ShowWindow (GDK_DRAWABLE_XID (window), SW_SHOWNA);
+
+ if (data->position_info.no_bg)
+ gdk_window_tmp_reset_bg (window);
+
+ data->position_info = new_info;
+
+ tmp_list = private->children;
+ while (tmp_list)
+ {
+ gdk_window_postmove (tmp_list->data, &this_pos);
+ tmp_list = tmp_list->next;
+ }
+}
+
+static void
+gdk_window_queue_translation (GdkWindow *window,
+ gint dx,
+ gint dy)
+{
+ GdkWindowQueueItem *item = g_new (GdkWindowQueueItem, 1);
+ item->window = window;
+ item->serial = GetMessageTime ();
+ item->type = GDK_WINDOW_QUEUE_TRANSLATE;
+ item->u.translate.dx = dx;
+ item->u.translate.dy = dy;
+
+ GDK_NOTE (EVENTS, g_print ("gdk_window_queue_translation %#x %d %d,%d\n",
+ GDK_DRAWABLE_XID (window),
+ item->serial,
+ dx, dy));
+
+ gdk_drawable_ref (window);
+ translate_queue = g_slist_append (translate_queue, item);
+}
+
+gboolean
+_gdk_windowing_window_queue_antiexpose (GdkWindow *window,
+ GdkRegion *area)
+{
+ GdkWindowQueueItem *item = g_new (GdkWindowQueueItem, 1);
+
+ item->window = window;
+ item->serial = GetMessageTime ();
+ item->type = GDK_WINDOW_QUEUE_ANTIEXPOSE;
+ item->u.antiexpose.area = area;
+
+ GDK_NOTE (EVENTS, g_print ("_gdk_windowing_window_queue_antiexpose %#x %d %dx%d@+%d+%d\n",
+ GDK_DRAWABLE_XID (window),
+ item->serial,
+ area->extents.x2 - area->extents.x1,
+ area->extents.y2 - area->extents.y1,
+ area->extents.x1, area->extents.y1));
+
+ gdk_drawable_ref (window);
+ translate_queue = g_slist_append (translate_queue, item);
+
+ return TRUE;
+}
+
+void
+_gdk_window_process_expose (GdkWindow *window,
+ gulong serial,
+ GdkRectangle *area)
+{
+ GdkWindowWin32Data *data = GDK_WINDOW_WIN32DATA (window);
+ GdkRegion *invalidate_region = gdk_region_rectangle (area);
+ GdkRegion *clip_region;
+
+ GSList *tmp_list = translate_queue;
+
+ GDK_NOTE (EVENTS, g_print ("_gdk_window_process_expose %#x %d %dx%d@+%d+%d\n",
+ GDK_DRAWABLE_XID (window), serial,
+ area->width, area->height, area->x, area->y));
+
+ while (tmp_list)
+ {
+ GdkWindowQueueItem *item = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (serial < item->serial)
+ {
+ if (item->window == window)
+ {
+ if (item->type == GDK_WINDOW_QUEUE_TRANSLATE)
+ gdk_region_offset (invalidate_region, - item->u.translate.dx, - item->u.translate.dy);
+ else /* anti-expose */
+ gdk_region_subtract (invalidate_region, item->u.antiexpose.area);
+ }
+ }
+ else
+ {
+ GSList *tmp_link = translate_queue;
+
+ translate_queue = g_slist_remove_link (translate_queue, translate_queue);
+ gdk_drawable_unref (item->window);
+
+ if (item->type == GDK_WINDOW_QUEUE_ANTIEXPOSE)
+ gdk_region_destroy (item->u.antiexpose.area);
+
+ g_free (item);
+ g_slist_free_1 (tmp_link);
+ }
+ }
+
+ clip_region = gdk_region_rectangle (&data->position_info.clip_rect);
+ gdk_region_intersect (invalidate_region, clip_region);
+
+ if (!gdk_region_empty (invalidate_region))
+ gdk_window_invalidate_region (window, invalidate_region, FALSE);
+
+ gdk_region_destroy (invalidate_region);
+ gdk_region_destroy (clip_region);
+}
+
+static void
+gdk_window_tmp_unset_bg (GdkWindow *window)
+{
+ /* ??? */
+}
+
+static void
+gdk_window_tmp_reset_bg (GdkWindow *window)
+{
+ /* ??? */
+}
+
+static void
+gdk_window_clip_changed (GdkWindow *window, GdkRectangle *old_clip, GdkRectangle *new_clip)
+{
+ GdkWindowPrivate *private = (GdkWindowPrivate *)window;
+
+ GdkRegion *old_clip_region;
+ GdkRegion *new_clip_region;
+
+ if (private->input_only)
+ return;
+
+ old_clip_region = gdk_region_rectangle (old_clip);
+ new_clip_region = gdk_region_rectangle (new_clip);
+
+ /* Trim invalid region of window to new clip rectangle
+ */
+ if (private->update_area)
+ gdk_region_intersect (private->update_area, new_clip_region);
+
+ /* Invalidate newly exposed portion of window
+ */
+ gdk_region_subtract (new_clip_region, old_clip_region);
+ if (!gdk_region_empty (new_clip_region))
+ {
+ gdk_window_tmp_unset_bg (window);
+ gdk_window_invalidate_region (window, new_clip_region, FALSE);
+ }
+
+ gdk_region_destroy (new_clip_region);
+ gdk_region_destroy (old_clip_region);
+}
+
projects / gtk4.git / commitdiff