1 /*
2 * Copyright (C) 2009 Holger Hans Peter Freyther
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "GtkPluginWidget.h"
29
30 #include "GraphicsContext.h"
31 #include "GtkVersioning.h"
32 #include "ScrollView.h"
33
34 #include <gtk/gtk.h>
35
36 namespace WebCore {
37
GtkPluginWidget(GtkWidget * widget)38 GtkPluginWidget::GtkPluginWidget(GtkWidget* widget)
39 : Widget(widget)
40 {
41 gtk_widget_hide(widget);
42 }
43
invalidateRect(const IntRect & _rect)44 void GtkPluginWidget::invalidateRect(const IntRect& _rect)
45 {
46 /* no need to */
47 if (!gtk_widget_get_has_window(platformWidget()))
48 return;
49
50 GdkWindow* window = gtk_widget_get_window(platformWidget());
51 if (!window)
52 return;
53
54 GdkRectangle rect = _rect;
55 gdk_window_invalidate_rect(window, &rect, FALSE);
56 }
57
frameRectsChanged()58 void GtkPluginWidget::frameRectsChanged()
59 {
60 IntRect rect = frameRect();
61 IntPoint loc = parent()->contentsToWindow(rect.location());
62 GtkAllocation allocation = { loc.x(), loc.y(), rect.width(), rect.height() };
63
64 gtk_widget_set_size_request(platformWidget(), rect.width(), rect.height());
65 gtk_widget_size_allocate(platformWidget(), &allocation);
66 gtk_widget_show(platformWidget());
67 }
68
paint(GraphicsContext * context,const IntRect & rect)69 void GtkPluginWidget::paint(GraphicsContext* context, const IntRect& rect)
70 {
71 if (!context->gdkExposeEvent())
72 return;
73
74 /* only paint widgets with no window this way */
75 if (gtk_widget_get_has_window(platformWidget()))
76 return;
77
78 GtkWidget* widget = platformWidget();
79 ASSERT(!gtk_widget_get_has_window(widget));
80
81 GdkEvent* event = gdk_event_new(GDK_EXPOSE);
82 event->expose = *context->gdkExposeEvent();
83 event->expose.area = static_cast<GdkRectangle>(rect);
84
85 IntPoint loc = parent()->contentsToWindow(rect.location());
86
87 event->expose.area.x = loc.x();
88 event->expose.area.y = loc.y();
89
90 #ifdef GTK_API_VERSION_2
91 event->expose.region = gdk_region_rectangle(&event->expose.area);
92 #else
93 event->expose.region = cairo_region_create_rectangle(&event->expose.area);
94 #endif
95
96 /*
97 * This will be unref'ed by gdk_event_free.
98 */
99 g_object_ref(event->expose.window);
100
101 /*
102 * If we are going to paint do the translation and GtkAllocation manipulation.
103 */
104 #ifdef GTK_API_VERSION_2
105 if (!gdk_region_empty(event->expose.region))
106 #else
107 if (!cairo_region_is_empty(event->expose.region))
108 #endif
109 gtk_widget_send_expose(widget, event);
110
111 gdk_event_free(event);
112 }
113
114 }
115