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window: Fix computing the opaque region

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We need to look at the surface transform here as well now.
This commit is contained in:
Timm Bäder 2020-05-20 09:30:01 +02:00
parent 7eec162502
commit 131837087b
1 changed files with 24 additions and 25 deletions
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49
gtk/gtkwindow.c
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@ -4336,38 +4336,45 @@ subtract_decoration_corners_from_region (cairo_region_t *region,
}
static void
update_opaque_region (GtkWindow *window,
const GtkBorder *border,
const GtkAllocation *allocation)
update_opaque_region (GtkWindow *window,
const GtkBorder *shadow)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget = GTK_WIDGET (window);
cairo_region_t *opaque_region;
GtkStyleContext *context;
gboolean is_opaque = FALSE;
GtkCssStyle *style;
if (!_gtk_widget_get_realized (widget))
return;
return;
context = gtk_widget_get_style_context (widget);
style = gtk_css_node_get_style (gtk_widget_get_css_node (GTK_WIDGET (window)));
is_opaque = gdk_rgba_is_opaque (gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_COLOR)));
is_opaque = gdk_rgba_is_opaque (gtk_css_color_value_get_rgba (style->background->background_color));
if (gtk_widget_get_opacity (widget) < 1.0)
if (is_opaque && gtk_widget_get_opacity (widget) < 1.0)
is_opaque = FALSE;
if (is_opaque)
{
cairo_rectangle_int_t rect;
GtkCssBoxes css_boxes;
const graphene_rect_t *border_rect;
double native_x, native_y;
rect.x = border->left;
rect.y = border->top;
rect.width = allocation->width - border->left - border->right;
rect.height = allocation->height - border->top - border->bottom;
gtk_native_get_surface_transform (GTK_NATIVE (window), &native_x, &native_y);
gtk_css_boxes_init (&css_boxes, widget);
border_rect = gtk_css_boxes_get_border_rect (&css_boxes);
rect.x = native_x + border_rect->origin.x;
rect.y = native_y + border_rect->origin.y;
rect.width = border_rect->size.width;
rect.height = border_rect->size.height;
opaque_region = cairo_region_create_rectangle (&rect);
subtract_decoration_corners_from_region (opaque_region, &rect, context, window);
subtract_decoration_corners_from_region (opaque_region, &rect, style, window);
}
else
{
@ -4492,13 +4499,7 @@ gtk_window_realize (GtkWidget *widget)
}
#endif
child_allocation.x = 0;
child_allocation.y = 0;
child_allocation.width = allocation.width;
child_allocation.height = allocation.height;
update_realized_window_properties (window, &child_allocation, &shadow);
update_realized_window_properties (window);
if (priv->application)
gtk_application_handle_window_realize (priv->application, window);
@ -5302,13 +5303,11 @@ gtk_window_css_changed (GtkWidget *widget,
if (!_gtk_widget_get_alloc_needed (widget) &&
(change == NULL || gtk_css_style_change_changes_property (change, GTK_CSS_PROPERTY_BACKGROUND_COLOR)))
{
GtkAllocation allocation;
GtkBorder window_border;
GtkBorder shadow;
gtk_widget_get_allocation (widget, &allocation);
get_shadow_width (window, &window_border);
get_shadow_width (window, &shadow);
update_opaque_region (window, &window_border, &allocation);
update_opaque_region (window, &shadow);
}
}