1 /* 2 * Copyright (C) 2006 Michael Emmel mike.emmel (at) 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 44 Widget::Widget(PlatformWidget widget) 45 { 46 init(widget); 47 } 48 49 Widget::~Widget() 50 { 51 ASSERT(!parent()); 52 releasePlatformWidget(); 53 } 54 55 void Widget::setFocus(bool focused) 56 { 57 if (focused) 58 gtk_widget_grab_focus(platformWidget() ? platformWidget() : GTK_WIDGET(root()->hostWindow()->platformPageClient())); 59 } 60 61 void Widget::setCursor(const Cursor& cursor) 62 { 63 ScrollView* view = root(); 64 if (!view) 65 return; 66 view->hostWindow()->setCursor(cursor); 67 } 68 69 void Widget::show() 70 { 71 setSelfVisible(true); 72 73 if (isParentVisible() && platformWidget()) 74 gtk_widget_show(platformWidget()); 75 } 76 77 void Widget::hide() 78 { 79 setSelfVisible(false); 80 81 if (isParentVisible() && platformWidget()) 82 gtk_widget_hide(platformWidget()); 83 } 84 85 void Widget::paint(GraphicsContext* context, const IntRect& rect) 86 { 87 } 88 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 } 103 104 IntRect Widget::frameRect() const 105 { 106 return m_frame; 107 } 108 109 void Widget::setFrameRect(const IntRect& rect) 110 { 111 m_frame = rect; 112 } 113 114 void Widget::releasePlatformWidget() 115 { 116 if (!platformWidget()) 117 return; 118 g_object_unref(platformWidget()); 119 } 120 121 void Widget::retainPlatformWidget() 122 { 123 if (!platformWidget()) 124 return; 125 g_object_ref_sink(platformWidget()); 126 } 127 128 } 129