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 38 GtkPluginWidget::GtkPluginWidget(GtkWidget* widget) 39 : Widget(widget) 40 { 41 gtk_widget_hide(widget); 42 } 43 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 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 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