1 /*
2 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
3 * Copyright (C) 2007, 2009 Holger Hans Peter Freyther
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "config.h"
29 #include "Widget.h"
30
31 #include "Cursor.h"
32 #include "FrameView.h"
33 #include "GraphicsContext.h"
34 #include "GtkVersioning.h"
35 #include "HostWindow.h"
36 #include "IntRect.h"
37 #include "RenderObject.h"
38
39 #include <gdk/gdk.h>
40 #include <gtk/gtk.h>
41
42 namespace WebCore {
43
Widget(PlatformWidget widget)44 Widget::Widget(PlatformWidget widget)
45 {
46 init(widget);
47 }
48
~Widget()49 Widget::~Widget()
50 {
51 ASSERT(!parent());
52 releasePlatformWidget();
53 }
54
setFocus(bool focused)55 void Widget::setFocus(bool focused)
56 {
57 if (focused)
58 gtk_widget_grab_focus(platformWidget() ? platformWidget() : GTK_WIDGET(root()->hostWindow()->platformPageClient()));
59 }
60
setCursor(const Cursor & cursor)61 void Widget::setCursor(const Cursor& cursor)
62 {
63 ScrollView* view = root();
64 if (!view)
65 return;
66 view->hostWindow()->setCursor(cursor);
67 }
68
show()69 void Widget::show()
70 {
71 setSelfVisible(true);
72
73 if (isParentVisible() && platformWidget())
74 gtk_widget_show(platformWidget());
75 }
76
hide()77 void Widget::hide()
78 {
79 setSelfVisible(false);
80
81 if (isParentVisible() && platformWidget())
82 gtk_widget_hide(platformWidget());
83 }
84
paint(GraphicsContext * context,const IntRect & rect)85 void Widget::paint(GraphicsContext* context, const IntRect& rect)
86 {
87 }
88
setIsSelected(bool isSelected)89 void Widget::setIsSelected(bool isSelected)
90 {
91 if (!platformWidget())
92 return;
93
94 // See if the platformWidget has a webkit-widget-is-selected property
95 // and set it afterwards.
96 GParamSpec* spec = g_object_class_find_property(G_OBJECT_GET_CLASS(platformWidget()),
97 "webkit-widget-is-selected");
98 if (!spec)
99 return;
100
101 g_object_set(platformWidget(), "webkit-widget-is-selected", isSelected, NULL);
102 }
103
frameRect() const104 IntRect Widget::frameRect() const
105 {
106 return m_frame;
107 }
108
setFrameRect(const IntRect & rect)109 void Widget::setFrameRect(const IntRect& rect)
110 {
111 m_frame = rect;
112 }
113
releasePlatformWidget()114 void Widget::releasePlatformWidget()
115 {
116 if (!platformWidget())
117 return;
118 g_object_unref(platformWidget());
119 }
120
retainPlatformWidget()121 void Widget::retainPlatformWidget()
122 {
123 if (!platformWidget())
124 return;
125 g_object_ref_sink(platformWidget());
126 }
127
128 }
129