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2004-03-05 Federico Mena Quintero <federico@ximian.com> Fixes #136082 and #135265, patch by Morten Welinder. * configure.in: Use AC_SYS_LARGEFILE. * */*.c: #include <config.h>
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
#include <config.h>
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#include "gdkprivate-fb.h"
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void
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gdk_window_scroll (GdkWindow *window,
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gint dx,
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gint dy)
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{
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GdkWindowObject *private = GDK_WINDOW_P (window);
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GdkRegion *invalidate_region;
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GdkRectangle dest_rect;
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GdkRectangle clip_rect;
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GList *tmp_list;
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gboolean handle_cursor;
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g_return_if_fail (window != NULL);
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g_return_if_fail (GDK_IS_WINDOW (window));
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clip_rect.x = GDK_DRAWABLE_IMPL_FBDATA (window)->llim_x;
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clip_rect.y = GDK_DRAWABLE_IMPL_FBDATA (window)->llim_y;
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clip_rect.width = GDK_DRAWABLE_IMPL_FBDATA (window)->lim_x - GDK_DRAWABLE_IMPL_FBDATA (window)->llim_x;
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clip_rect.height = GDK_DRAWABLE_IMPL_FBDATA (window)->lim_y - GDK_DRAWABLE_IMPL_FBDATA (window)->llim_y;
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handle_cursor = gdk_fb_cursor_need_hide (&clip_rect);
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clip_rect.x -= GDK_DRAWABLE_IMPL_FBDATA (window)->abs_x;
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clip_rect.y -= GDK_DRAWABLE_IMPL_FBDATA (window)->abs_y;
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invalidate_region = gdk_region_rectangle (&clip_rect);
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dest_rect = clip_rect;
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dest_rect.x += dx;
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dest_rect.y += dy;
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gdk_rectangle_intersect (&dest_rect, &clip_rect, &dest_rect);
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if (handle_cursor)
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gdk_fb_cursor_hide ();
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if (dest_rect.width > 0 && dest_rect.height > 0)
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{
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GdkRegion *tmp_region;
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tmp_region = gdk_region_rectangle (&dest_rect);
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gdk_region_subtract (invalidate_region, tmp_region);
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gdk_region_destroy (tmp_region);
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gdk_fb_draw_drawable_2 (GDK_DRAWABLE_IMPL(window),
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_gdk_fb_screen_gc,
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GDK_DRAWABLE_IMPL(window),
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dest_rect.x - dx,
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dest_rect.y - dy,
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dest_rect.x, dest_rect.y,
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dest_rect.width, dest_rect.height,
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FALSE, FALSE);
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gdk_shadow_fb_update (dest_rect.x - dx, dest_rect.y - dy,
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dest_rect.x - dx + dest_rect.width,
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dest_rect.y - dy + dest_rect.height);
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}
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gdk_window_invalidate_region (window, invalidate_region, TRUE);
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gdk_region_destroy (invalidate_region);
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for (tmp_list = private->children; tmp_list; tmp_list = tmp_list->next)
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gdk_fb_window_move_resize (tmp_list->data,
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GDK_WINDOW_OBJECT(tmp_list->data)->x + dx,
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GDK_WINDOW_OBJECT(tmp_list->data)->y + dy,
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GDK_DRAWABLE_IMPL_FBDATA(tmp_list->data)->width,
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GDK_DRAWABLE_IMPL_FBDATA(tmp_list->data)->height,
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FALSE);
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if (handle_cursor)
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gdk_fb_cursor_unhide ();
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}
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