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/*
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef PopupMenu_h
#define PopupMenu_h
#include "IntRect.h"
#include "PopupMenuClient.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#ifdef __OBJC__
@class NSPopUpButtonCell;
#else
class NSPopUpButtonCell;
#endif
#elif PLATFORM(WIN)
#include "Scrollbar.h"
#include "ScrollbarClient.h"
#include <wtf/RefPtr.h>
typedef struct HWND__* HWND;
typedef struct HDC__* HDC;
typedef struct HBITMAP__* HBITMAP;
#elif PLATFORM(QT)
namespace WebCore {
class QtAbstractWebPopup;
}
#elif PLATFORM(GTK)
typedef struct _GtkMenu GtkMenu;
typedef struct _GtkMenuItem GtkMenuItem;
typedef struct _GtkWidget GtkWidget;
#include "GRefPtrGtk.h"
#include <wtf/HashMap.h>
#include <glib.h>
#elif PLATFORM(WX)
#ifdef __WXMSW__
#include <wx/msw/winundef.h>
#endif
class wxMenu;
#include <wx/defs.h>
#include <wx/event.h>
#elif PLATFORM(CHROMIUM)
#include "PopupMenuPrivate.h"
#elif PLATFORM(HAIKU)
namespace WebCore {
class PopupMenuHaiku;
}
#endif
namespace WebCore {
class FrameView;
class Scrollbar;
class PopupMenu : public RefCounted<PopupMenu>
#if PLATFORM(WIN)
, private ScrollbarClient
#endif
#if PLATFORM(WX)
, public wxEvtHandler
#endif
{
public:
static PassRefPtr<PopupMenu> create(PopupMenuClient* client) { return adoptRef(new PopupMenu(client)); }
~PopupMenu();
void disconnectClient() { m_popupClient = 0; }
void show(const IntRect&, FrameView*, int index);
void hide();
void updateFromElement();
PopupMenuClient* client() const { return m_popupClient; }
static bool itemWritingDirectionIsNatural();
#if PLATFORM(WIN)
Scrollbar* scrollbar() const { return m_scrollbar.get(); }
static LPCTSTR popupClassName();
bool up(unsigned lines = 1);
bool down(unsigned lines = 1);
int itemHeight() const { return m_itemHeight; }
const IntRect& windowRect() const { return m_windowRect; }
IntRect clientRect() const;
int visibleItems() const;
int listIndexAtPoint(const IntPoint&) const;
bool setFocusedIndex(int index, bool hotTracking = false);
int focusedIndex() const;
void focusFirst();
void focusLast();
void paint(const IntRect& damageRect, HDC = 0);
HWND popupHandle() const { return m_popup; }
void setWasClicked(bool b = true) { m_wasClicked = b; }
bool wasClicked() const { return m_wasClicked; }
void setScrollOffset(int offset) { m_scrollOffset = offset; }
int scrollOffset() const { return m_scrollOffset; }
bool scrollToRevealSelection();
void incrementWheelDelta(int delta);
void reduceWheelDelta(int delta);
int wheelDelta() const { return m_wheelDelta; }
bool scrollbarCapturingMouse() const { return m_scrollbarCapturingMouse; }
void setScrollbarCapturingMouse(bool b) { m_scrollbarCapturingMouse = b; }
#endif
protected:
PopupMenu(PopupMenuClient*);
private:
PopupMenuClient* m_popupClient;
#if PLATFORM(MAC)
void clear();
void populate();
RetainPtr<NSPopUpButtonCell> m_popup;
#elif PLATFORM(QT)
QtAbstractWebPopup* m_popup;
#elif PLATFORM(WIN)
// ScrollBarClient
virtual void valueChanged(Scrollbar*);
virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&);
virtual bool isActive() const { return true; }
virtual bool scrollbarCornerPresent() const { return false; }
void calculatePositionAndSize(const IntRect&, FrameView*);
void invalidateItem(int index);
static LRESULT CALLBACK PopupMenuWndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
static void registerClass();
RefPtr<Scrollbar> m_scrollbar;
HWND m_popup;
HDC m_DC;
HBITMAP m_bmp;
bool m_wasClicked;
IntRect m_windowRect;
int m_itemHeight;
int m_scrollOffset;
int m_wheelDelta;
int m_focusedIndex;
bool m_scrollbarCapturingMouse;
bool m_showPopup;
#elif PLATFORM(GTK)
IntPoint m_menuPosition;
GRefPtr<GtkMenu> m_popup;
HashMap<GtkWidget*, int> m_indexMap;
static void menuItemActivated(GtkMenuItem* item, PopupMenu*);
static void menuUnmapped(GtkWidget*, PopupMenu*);
static void menuPositionFunction(GtkMenu*, gint*, gint*, gboolean*, PopupMenu*);
static void menuRemoveItem(GtkWidget*, PopupMenu*);
#elif PLATFORM(WX)
wxMenu* m_menu;
void OnMenuItemSelected(wxCommandEvent&);
#elif PLATFORM(CHROMIUM)
PopupMenuPrivate p;
#elif PLATFORM(HAIKU)
PopupMenuHaiku* m_menu;
#endif
};
}
#endif
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