109 lines
3.3 KiB
Diff
109 lines
3.3 KiB
Diff
From ab0bb7104783da5155361e6fbd89ee14f25e2544 Mon Sep 17 00:00:00 2001
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From: Michael Natterer <mitch@gimp.org>
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Date: Thu, 14 Mar 2013 20:10:51 +0100
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Subject: [PATCH 46/68] gtk: implement clipping to multiple parent viewports
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in GtkNSView
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---
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gtk/gtknsview.c | 51 +++++++++++----------------------------------------
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1 file changed, 11 insertions(+), 40 deletions(-)
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diff --git a/gtk/gtknsview.c b/gtk/gtknsview.c
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index db1da93..1e0b7e6 100644
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--- a/gtk/gtknsview.c
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+++ b/gtk/gtknsview.c
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@@ -143,10 +143,7 @@ gtk_ns_view_init (GtkNSView *ns_view)
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{
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GtkNSView *ns_view;
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GtkWidget *viewport;
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-
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-#if 0
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- g_printerr ("drawRect called\n");
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-#endif
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+ CGContextRef cg_context;
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ns_view = (GtkNSView *) objc_getAssociatedObject (self, "gtknsview");
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@@ -156,51 +153,30 @@ gtk_ns_view_init (GtkNSView *ns_view)
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return;
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}
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- viewport = gtk_widget_get_ancestor (GTK_WIDGET (ns_view), GTK_TYPE_VIEWPORT);
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+ cg_context = [[NSGraphicsContext currentContext] graphicsPort];
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+ CGContextSaveGState (cg_context);
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- if (viewport)
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+ for (viewport = gtk_widget_get_ancestor (GTK_WIDGET (ns_view), GTK_TYPE_VIEWPORT);
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+ viewport;
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+ viewport = gtk_widget_get_ancestor (gtk_widget_get_parent (viewport),
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+ GTK_TYPE_VIEWPORT))
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{
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GdkWindow *window;
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- CGContextRef cg_context = [[NSGraphicsContext currentContext] graphicsPort];
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GtkAllocation viewport_allocation;
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CGRect rect;
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-#if 0
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- g_printerr ("drawRect called on gtknsview in gtkviewport\n");
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-#endif
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-
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gtk_widget_get_allocation (viewport, &viewport_allocation);
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-#if 0
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- g_printerr ("viewport allocation: %d, %d (%d x %x)\n",
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- viewport_allocation.x,
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- viewport_allocation.y,
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- viewport_allocation.width,
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- viewport_allocation.height);
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-#endif
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-
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/* evil: don't clip to the viewport's width/height but to that
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* of its parent window, because we know we hacked an
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* overshoot_window into GtkScrolledWindow and need to restrict
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- * rendering in its area
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+ * rendering to its area
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*/
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window = gtk_widget_get_parent_window (viewport);
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viewport_allocation.width = gdk_window_get_width (window);
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viewport_allocation.height = gdk_window_get_height (window);
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-#if 0
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- {
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- gint x, y;
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-
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- gdk_window_get_position (window, &x, &y);
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- g_printerr ("viewport parent window at %d, %d (%x x %x)\n",
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- x, y,
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- gdk_window_get_width (window),
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- gdk_window_get_height (window));
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- }
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-#endif
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-
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if (gtk_viewport_get_shadow_type (GTK_VIEWPORT (viewport)) != GTK_SHADOW_NONE)
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{
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GtkStyle *style = gtk_widget_get_style (viewport);
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@@ -222,17 +198,12 @@ gtk_ns_view_init (GtkNSView *ns_view)
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rect.size.width = viewport_allocation.width;
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rect.size.height = viewport_allocation.height;
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- CGContextSaveGState (cg_context);
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CGContextClipToRect (cg_context, rect);
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+ }
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- [self myDrawRect: dirtyRect];
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+ [self myDrawRect: dirtyRect];
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- CGContextRestoreGState (cg_context);
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- }
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- else
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- {
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- [self myDrawRect: dirtyRect];
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- }
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+ CGContextRestoreGState (cg_context);
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}
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@end
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--
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1.7.10.2 (Apple Git-33)
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