1 /* 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef PopupMenu_h 22 #define PopupMenu_h 23 24 #include "IntRect.h" 25 #include "PopupMenuClient.h" 26 #include <wtf/PassRefPtr.h> 27 #include <wtf/RefCounted.h> 28 29 #if PLATFORM(MAC) 30 #include <wtf/RetainPtr.h> 31 #ifdef __OBJC__ 32 @class NSPopUpButtonCell; 33 #else 34 class NSPopUpButtonCell; 35 #endif 36 #elif PLATFORM(WIN) 37 #include "Scrollbar.h" 38 #include "ScrollbarClient.h" 39 #include <wtf/RefPtr.h> 40 typedef struct HWND__* HWND; 41 typedef struct HDC__* HDC; 42 typedef struct HBITMAP__* HBITMAP; 43 #elif PLATFORM(QT) 44 namespace WebCore { 45 class QtAbstractWebPopup; 46 } 47 #elif PLATFORM(GTK) 48 typedef struct _GtkMenu GtkMenu; 49 typedef struct _GtkMenuItem GtkMenuItem; 50 typedef struct _GtkWidget GtkWidget; 51 #include "GRefPtrGtk.h" 52 #include <wtf/HashMap.h> 53 #include <glib.h> 54 #elif PLATFORM(WX) 55 #ifdef __WXMSW__ 56 #include <wx/msw/winundef.h> 57 #endif 58 class wxMenu; 59 #include <wx/defs.h> 60 #include <wx/event.h> 61 #elif PLATFORM(CHROMIUM) 62 #include "PopupMenuPrivate.h" 63 #elif PLATFORM(HAIKU) 64 class BMenu; 65 #endif 66 67 namespace WebCore { 68 69 class FrameView; 70 class Scrollbar; 71 72 class PopupMenu : public RefCounted<PopupMenu> 73 #if PLATFORM(WIN) 74 , private ScrollbarClient 75 #endif 76 #if PLATFORM(WX) 77 , public wxEvtHandler 78 #endif 79 { 80 public: 81 static PassRefPtr<PopupMenu> create(PopupMenuClient* client) { return adoptRef(new PopupMenu(client)); } 82 ~PopupMenu(); 83 84 void disconnectClient() { m_popupClient = 0; } 85 86 void show(const IntRect&, FrameView*, int index); 87 void hide(); 88 89 void updateFromElement(); 90 91 PopupMenuClient* client() const { return m_popupClient; } 92 93 static bool itemWritingDirectionIsNatural(); 94 95 #if PLATFORM(WIN) 96 Scrollbar* scrollbar() const { return m_scrollbar.get(); } 97 98 static LPCTSTR popupClassName(); 99 100 bool up(unsigned lines = 1); 101 bool down(unsigned lines = 1); 102 103 int itemHeight() const { return m_itemHeight; } 104 const IntRect& windowRect() const { return m_windowRect; } 105 IntRect clientRect() const; 106 107 int visibleItems() const; 108 109 int listIndexAtPoint(const IntPoint&) const; 110 111 bool setFocusedIndex(int index, bool hotTracking = false); 112 int focusedIndex() const; 113 void focusFirst(); 114 void focusLast(); 115 116 void paint(const IntRect& damageRect, HDC = 0); 117 118 HWND popupHandle() const { return m_popup; } 119 120 void setWasClicked(bool b = true) { m_wasClicked = b; } 121 bool wasClicked() const { return m_wasClicked; } 122 123 void setScrollOffset(int offset) { m_scrollOffset = offset; } 124 int scrollOffset() const { return m_scrollOffset; } 125 126 bool scrollToRevealSelection(); 127 128 void incrementWheelDelta(int delta); 129 void reduceWheelDelta(int delta); 130 int wheelDelta() const { return m_wheelDelta; } 131 132 bool scrollbarCapturingMouse() const { return m_scrollbarCapturingMouse; } 133 void setScrollbarCapturingMouse(bool b) { m_scrollbarCapturingMouse = b; } 134 #endif 135 136 protected: 137 PopupMenu(PopupMenuClient*); 138 139 private: 140 PopupMenuClient* m_popupClient; 141 142 #if PLATFORM(MAC) 143 void clear(); 144 void populate(); 145 146 RetainPtr<NSPopUpButtonCell> m_popup; 147 #elif PLATFORM(QT) 148 QtAbstractWebPopup* m_popup; 149 #elif PLATFORM(WIN) 150 // ScrollBarClient 151 virtual void valueChanged(Scrollbar*); 152 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); 153 virtual bool isActive() const { return true; } 154 virtual bool scrollbarCornerPresent() const { return false; } 155 156 void calculatePositionAndSize(const IntRect&, FrameView*); 157 void invalidateItem(int index); 158 159 static LRESULT CALLBACK PopupMenuWndProc(HWND, UINT, WPARAM, LPARAM); 160 LRESULT wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); 161 static void registerClass(); 162 163 RefPtr<Scrollbar> m_scrollbar; 164 HWND m_popup; 165 HDC m_DC; 166 HBITMAP m_bmp; 167 bool m_wasClicked; 168 IntRect m_windowRect; 169 int m_itemHeight; 170 int m_scrollOffset; 171 int m_wheelDelta; 172 int m_focusedIndex; 173 bool m_scrollbarCapturingMouse; 174 bool m_showPopup; 175 #elif PLATFORM(GTK) 176 IntPoint m_menuPosition; 177 GRefPtr<GtkMenu> m_popup; 178 HashMap<GtkWidget*, int> m_indexMap; 179 static void menuItemActivated(GtkMenuItem* item, PopupMenu*); 180 static void menuUnmapped(GtkWidget*, PopupMenu*); 181 static void menuPositionFunction(GtkMenu*, gint*, gint*, gboolean*, PopupMenu*); 182 static void menuRemoveItem(GtkWidget*, PopupMenu*); 183 #elif PLATFORM(WX) 184 wxMenu* m_menu; 185 void OnMenuItemSelected(wxCommandEvent&); 186 #elif PLATFORM(CHROMIUM) 187 PopupMenuPrivate p; 188 #elif PLATFORM(HAIKU) 189 BMenu* m_menu; 190 #endif 191 192 }; 193 194 } 195 196 #endif 197
