summaryrefslogtreecommitdiffstats
path: root/WebCore/platform/Widget.h
diff options
context:
space:
mode:
Diffstat (limited to 'WebCore/platform/Widget.h')
-rw-r--r--WebCore/platform/Widget.h300
1 files changed, 141 insertions, 159 deletions
diff --git a/WebCore/platform/Widget.h b/WebCore/platform/Widget.h
index bd00b9a..78df197 100644
--- a/WebCore/platform/Widget.h
+++ b/WebCore/platform/Widget.h
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -31,199 +32,180 @@
#if PLATFORM(MAC)
#ifdef __OBJC__
@class NSView;
+@class NSWindow;
#else
class NSView;
+class NSWindow;
#endif
+typedef NSView* PlatformWidget;
#endif
-#ifdef ANDROID_BRIDGE
+#if PLATFORM(ANDROID)
class WebCoreViewBridge;
+typedef WebCoreViewBridge* PlatformWidget;
#endif
#if PLATFORM(WIN)
typedef struct HWND__* HWND;
+typedef HWND PlatformWidget;
#endif
#if PLATFORM(GTK)
typedef struct _GdkDrawable GdkDrawable;
typedef struct _GtkWidget GtkWidget;
typedef struct _GtkContainer GtkContainer;
+typedef GtkWidget* PlatformWidget;
#endif
#if PLATFORM(QT)
+#include <qglobal.h>
+QT_BEGIN_NAMESPACE
class QWidget;
-class QWebFrame;
+QT_END_NAMESPACE
+typedef QWidget* PlatformWidget;
#endif
#if PLATFORM(WX)
class wxWindow;
+typedef wxWindow* PlatformWidget;
#endif
-namespace WebCore {
-
- class Cursor;
- class Event;
- class Font;
- class GraphicsContext;
- class IntPoint;
- class IntRect;
- class IntSize;
- class PlatformMouseEvent;
- class ScrollView;
- class WidgetClient;
- class WidgetPrivate;
-
- class Widget {
- public:
- Widget();
- virtual ~Widget();
-
- virtual void setEnabled(bool);
- virtual bool isEnabled() const;
-
- int x() const;
- int y() const;
- int width() const;
- int height() const;
- IntSize size() const;
- void resize(int, int);
- void resize(const IntSize&);
- IntPoint pos() const;
- void move(int, int);
- void move(const IntPoint&);
-
- virtual void paint(GraphicsContext*, const IntRect&);
- virtual void invalidate();
- virtual void invalidateRect(const IntRect&);
-
- virtual void setFrameGeometry(const IntRect&);
- virtual IntRect frameGeometry() const;
-
- virtual void setFocus();
-
- void setCursor(const Cursor&);
- Cursor cursor();
-
- virtual void show();
- virtual void hide();
-
- void setIsSelected(bool);
-
- void setClient(WidgetClient*);
- WidgetClient* client() const;
-
- virtual bool isFrameView() const;
-
- virtual void removeFromParent();
-
- // This method is used by plugins on all platforms to obtain a clip rect that includes clips set by WebCore,
- // e.g., in overflow:auto sections. The clip rects coordinates are in the containing window's coordinate space.
- // This clip includes any clips that the widget itself sets up for its children.
- virtual IntRect windowClipRect() const;
-
- virtual void handleEvent(Event*) { }
-
-#if PLATFORM(WIN)
- void setContainingWindow(HWND);
- HWND containingWindow() const;
-
- virtual void setParent(ScrollView*);
- ScrollView* parent() const;
-
- virtual void attachToWindow() { }
- virtual void detachFromWindow() { }
-
- virtual void geometryChanged() const {};
-
- IntRect convertToContainingWindow(const IntRect&) const;
- IntPoint convertToContainingWindow(const IntPoint&) const;
- IntPoint convertFromContainingWindow(const IntPoint&) const;
-
- virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
- virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
-
- bool suppressInvalidation() const;
- void setSuppressInvalidation(bool);
-
-#endif
-
-#if PLATFORM(GTK)
- virtual void setParent(ScrollView*);
- ScrollView* parent() const;
-
- void setContainingWindow(GtkContainer*);
- GtkContainer* containingWindow() const;
-
- virtual void geometryChanged() const;
-
- IntRect convertToContainingWindow(const IntRect&) const;
- IntPoint convertToContainingWindow(const IntPoint&) const;
- IntPoint convertFromContainingWindow(const IntPoint&) const;
-
- virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
- virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
-
- bool suppressInvalidation() const;
- void setSuppressInvalidation(bool);
-
- GtkWidget* gtkWidget() const;
-protected:
- void setGtkWidget(GtkWidget*);
+#if PLATFORM(CHROMIUM)
+#include "PlatformWidget.h"
#endif
-#if PLATFORM(QT)
- void setNativeWidget(QWidget *widget);
- QWidget* nativeWidget() const;
-
- QWidget *containingWindow() const;
-
- QWebFrame* qwebframe() const;
- void setQWebFrame(QWebFrame *webFrame);
- virtual void setParent(ScrollView*);
- ScrollView* parent() const;
- virtual void geometryChanged() const;
- ScrollView* topLevel() const;
+#include "IntPoint.h"
+#include "IntRect.h"
+#include "IntSize.h"
- IntRect convertToContainingWindow(const IntRect&) const;
- IntPoint convertToContainingWindow(const IntPoint&) const;
- IntPoint convertFromContainingWindow(const IntPoint&) const;
-
- virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
- virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
-
- bool suppressInvalidation() const;
- void setSuppressInvalidation(bool);
-#endif
+namespace WebCore {
-#if PLATFORM(MAC)
- Widget(NSView*);
-
- NSView* getView() const;
- NSView* getOuterView() const;
- void setView(NSView*);
-
- static void beforeMouseDown(NSView*, Widget*);
- static void afterMouseDown(NSView*, Widget*);
-
- void addToSuperview(NSView* superview);
- void removeFromSuperview();
- IntPoint convertToScreenCoordinate(NSView*, const IntPoint&);
+class Cursor;
+class Event;
+class Font;
+class GraphicsContext;
+class PlatformMouseEvent;
+class ScrollView;
+class WidgetClient;
+class WidgetPrivate;
+
+// The Widget class serves as a base class for three kinds of objects:
+// (1) Scrollable areas (ScrollView)
+// (2) Scrollbars (Scrollbar)
+// (3) Plugins (PluginView)
+//
+// A widget may or may not be backed by a platform-specific object (e.g., HWND on Windows, NSView on Mac, QWidget on Qt).
+//
+// Widgets are connected in a hierarchy, with the restriction that plugins and scrollbars are always leaves of the
+// tree. Only ScrollViews can have children (and therefore the Widget class has no concept of children).
+//
+// The rules right now for which widgets get platform-specific objects are as follows:
+// ScrollView - Mac
+// Scrollbar - Mac, Gtk
+// Plugin - Mac, Windows (windowed only), Qt (windowed only, widget is an HWND on windows), Gtk (windowed only)
+//
+class Widget {
+public:
+ Widget(PlatformWidget = 0);
+ virtual ~Widget();
+
+ PlatformWidget platformWidget() const { return m_widget; }
+ void setPlatformWidget(PlatformWidget widget)
+ {
+ if (widget != m_widget) {
+ releasePlatformWidget();
+ m_widget = widget;
+ retainPlatformWidget();
+ }
+ }
+
+ int x() const { return frameRect().x(); }
+ int y() const { return frameRect().y(); }
+ int width() const { return frameRect().width(); }
+ int height() const { return frameRect().height(); }
+ IntSize size() const { return frameRect().size(); }
+ IntPoint pos() const { return frameRect().location(); }
+
+ virtual void setFrameRect(const IntRect&);
+ virtual IntRect frameRect() const;
+ IntRect boundsRect() const { return IntRect(0, 0, width(), height()); }
+
+ void resize(int w, int h) { setFrameRect(IntRect(x(), y(), w, h)); }
+ void resize(const IntSize& s) { setFrameRect(IntRect(pos(), s)); }
+ void move(int x, int y) { setFrameRect(IntRect(x, y, width(), height())); }
+ void move(const IntPoint& p) { setFrameRect(IntRect(p, size())); }
+
+ virtual void paint(GraphicsContext*, const IntRect&);
+ void invalidate() { invalidateRect(boundsRect()); }
+ virtual void invalidateRect(const IntRect&) = 0;
+
+ virtual void setFocus();
+
+ void setCursor(const Cursor&);
+ Cursor cursor();
+
+ virtual void show();
+ virtual void hide();
+ bool isSelfVisible() const { return m_selfVisible; } // Whether or not we have been explicitly marked as visible or not.
+ bool isParentVisible() const { return m_parentVisible; } // Whether or not our parent is visible.
+ bool isVisible() const { return m_selfVisible && m_parentVisible; } // Whether or not we are actually visible.
+ virtual void setParentVisible(bool visible) { m_parentVisible = visible; }
+ void setSelfVisible(bool v) { m_selfVisible = v; }
+
+ void setIsSelected(bool);
+
+ virtual bool isFrameView() const { return false; }
+ virtual bool isPluginView() const { return false; }
+
+ void removeFromParent();
+ virtual void setParent(ScrollView* view);
+ ScrollView* parent() const { return m_parent; }
+ ScrollView* root() const;
+
+ virtual void handleEvent(Event*) { }
+
+ // It is important for cross-platform code to realize that Mac has flipped coordinates. Therefore any code
+ // that tries to convert the location of a rect using the point-based convertFromContainingWindow will end
+ // up with an inaccurate rect. Always make sure to use the rect-based convertFromContainingWindow method
+ // when converting window rects.
+ IntRect convertToContainingWindow(const IntRect&) const;
+ IntPoint convertToContainingWindow(const IntPoint&) const;
+ IntPoint convertFromContainingWindow(const IntPoint&) const; // See comment above about when not to use this method.
+ IntRect convertFromContainingWindow(const IntRect&) const;
+
+ virtual void frameRectsChanged() const {}
+
+#if PLATFORM(MAC)
+ NSView* getOuterView() const;
+
+ static void beforeMouseDown(NSView*, Widget*);
+ static void afterMouseDown(NSView*, Widget*);
+
+ void removeFromSuperview();
#endif
-#ifdef ANDROID_BRIDGE
- WebCoreViewBridge* getWebCoreViewBridge() const;
- void setWebCoreViewBridge(WebCoreViewBridge*);
+private:
+ void init(PlatformWidget); // Must be called by all Widget constructors to initialize cross-platform data.
+
+ void releasePlatformWidget();
+ void retainPlatformWidget();
+
+private:
+ ScrollView* m_parent;
+ PlatformWidget m_widget;
+ bool m_selfVisible;
+ bool m_parentVisible;
+
+ IntRect m_frame; // Not used when a native widget exists.
+
+#if PLATFORM(MAC) || PLATFORM(GTK) || PLATFORM(ANDROID)
+ WidgetPrivate* m_data;
#endif
-
-#if PLATFORM(WX)
- Widget(wxWindow*);
- wxWindow* nativeWindow() const;
- virtual void setNativeWindow(wxWindow*);
+#if PLATFORM(ANDROID)
+public:
+ int screenWidth() const;
#endif
-
- private:
- WidgetPrivate* data;
- };
+};
} // namespace WebCore
generated by cgit v1.1 at 2025-08-15 19:47:54 +0000