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do minimal invalidations to get border to redraw properly

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57874 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2009-01-07 05:26:25 +00:00
parent bd365871aa
commit 7456fe19dd
1 changed files with 13 additions and 8 deletions
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21
src/gtk/win_gtk.cpp
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@@ -47,8 +47,6 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc)
widget->allocation.x != alloc->x ||
widget->allocation.y != alloc->y;
widget->allocation = *alloc;
wxPizza* pizza = WX_PIZZA(widget);
int border_x, border_y;
pizza->get_border_widths(border_x, border_y);
@@ -73,16 +71,23 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc)
// one window
gdk_window_move_resize(widget->window,
alloc->x + border_x, alloc->y + border_y, w, h);
if ((border_x > 0) || (border_y > 0))
if (is_resize && (border_x || border_y))
{
// Otherwise we get can redraw artefacts from
// the border.
GtkWidget *parent = gtk_widget_get_parent( widget );
gtk_widget_queue_draw( parent );
// old and new border areas need to be invalidated,
// otherwise they will not be erased/redrawn properly
const GtkAllocation& a1 = widget->allocation;
const GtkAllocation& a2 = *alloc;
const GdkRectangle r1 = { a1.x, a1.y, a1.width, a1.height };
const GdkRectangle r2 = { a2.x, a2.y, a2.width, a2.height };
gdk_window_invalidate_rect(widget->parent->window, &r1, false);
gdk_window_invalidate_rect(widget->parent->window, &r2, false);
}
}
}
widget->allocation = *alloc;
// adjust child positions
for (const GList* list = pizza->m_fixed.children; list; list = list->next)
{