1 /*
   2  * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #ifndef AWT_FRAME_H
  27 #define AWT_FRAME_H
  28 
  29 #include "awt_Window.h"
  30 #include "awt_MenuBar.h" //add for multifont
  31 #include "awt_Toolkit.h"
  32 #include "Hashtable.h"
  33 
  34 #include "java_awt_Frame.h"
  35 #include "sun_awt_windows_WFramePeer.h"
  36 
  37 
  38 /************************************************************************
  39  * AwtFrame class
  40  */
  41 
  42 #define AWT_FRAME_WINDOW_CLASS_NAME TEXT("SunAwtFrame")
  43 
  44 
  45 class AwtFrame : public AwtWindow {
  46 public:
  47     enum FrameExecIds {
  48         FRAME_SETMENUBAR
  49     };
  50 
  51     static AwtFrame* sm_lwFrameUnderMouse;
  52 
  53     /* java.awt.Frame fields and method IDs */
  54     static jfieldID undecoratedID;
  55 
  56     /* sun.awt.windows.WEmbeddedFrame fields and method IDs */
  57     static jfieldID handleID;
  58 
  59     static jmethodID setExtendedStateMID;
  60     static jmethodID getExtendedStateMID;
  61 
  62     /* method id for WEmbeddedFrame.requestActivate() method */
  63     static jmethodID activateEmbeddingTopLevelMID;
  64 
  65     AwtFrame();
  66     virtual ~AwtFrame();
  67 
  68     virtual void Dispose();
  69 
  70     virtual LPCTSTR GetClassName();
  71 
  72     /* Create a new AwtFrame.  This must be run on the main thread. */
  73     static AwtFrame* Create(jobject self, jobject parent);
  74 
  75     /* Returns whether this frame is embedded in an external native frame. */
  76     INLINE BOOL IsEmbeddedFrame() { return m_isEmbedded; }
  77     /* Returns whether this frame is lightweight. */
  78     INLINE virtual BOOL IsLightweightFrame() { return m_isLightweight; }
  79 
  80     INLINE BOOL IsSimpleWindow() { return FALSE; }
  81 
  82     /* Returns whether this window is in iconified state. */
  83     INLINE BOOL isIconic() { return m_iconic; }
  84     INLINE void setIconic(BOOL b) { m_iconic = b; }
  85 
  86     /* Returns whether this window is in zoomed state. */
  87     INLINE BOOL isZoomed() { return m_zoomed; }
  88     INLINE void setZoomed(BOOL b) { m_zoomed = b; }
  89 
  90     void SendWindowStateEvent(int oldState, int newState);
  91 
  92     void Show();
  93 
  94     INLINE void DrawMenuBar() { VERIFY(::DrawMenuBar(GetHWnd())); }
  95 
  96     virtual void DoUpdateIcon();
  97     virtual HICON GetEffectiveIcon(int iconType);
  98 
  99     /*for WmDrawItem and WmMeasureItem method */
 100     AwtMenuBar* GetMenuBar();
 101     void SetMenuBar(AwtMenuBar*);
 102 
 103     virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
 104 
 105     MsgRouting WmGetMinMaxInfo(LPMINMAXINFO lpmmi);
 106     MsgRouting WmSize(UINT type, int w, int h);
 107     MsgRouting WmActivate(UINT nState, BOOL fMinimized, HWND opposite);
 108     MsgRouting WmDrawItem(UINT ctrlId, DRAWITEMSTRUCT& drawInfo);
 109     MsgRouting WmMeasureItem(UINT ctrlId, MEASUREITEMSTRUCT& measureInfo);
 110     MsgRouting WmEnterMenuLoop(BOOL isTrackPopupMenu);
 111     MsgRouting WmExitMenuLoop(BOOL isTrackPopupMenu);
 112     MsgRouting WmMouseUp(UINT flags, int x, int y, int button);
 113     MsgRouting WmMouseMove(UINT flags, int x, int y);
 114     MsgRouting WmNcMouseDown(WPARAM hitTest, int x, int y, int button);
 115     MsgRouting WmNcMouseUp(WPARAM hitTest, int x, int y, int button);
 116     MsgRouting WmGetIcon(WPARAM iconType, LRESULT& retVal);
 117     MsgRouting WmShowWindow(BOOL show, UINT status);
 118 
 119     virtual MsgRouting WmSysCommand(UINT uCmdType, int xPos, int yPos);
 120 
 121     LRESULT WinThreadExecProc(ExecuteArgs * args);
 122 
 123     INLINE BOOL IsUndecorated() { return m_isUndecorated; }
 124 
 125     INLINE HWND GetProxyFocusOwner() {
 126         return GetHWnd();
 127     }
 128 
 129     void SetMaximizedBounds(int x, int y, int w, int h);
 130     void ClearMaximizedBounds();
 131 
 132     // returns true if the frame is inputmethod window
 133     INLINE BOOL isInputMethodWindow() { return m_isInputMethodWindow; }
 134     // adjusts the IME candidate window position if needed
 135     void AdjustCandidateWindowPos();
 136 
 137     // invoked on Toolkit thread
 138     static jobject _GetBoundsPrivate(void *param);
 139 
 140     // some methods called on Toolkit thread
 141     static void _SetState(void *param);
 142     static jint _GetState(void *param);
 143     static void _SetMaximizedBounds(void *param);
 144     static void _ClearMaximizedBounds(void *param);
 145     static void _SetMenuBar(void *param);
 146     static void _SetIMMOption(void *param);
 147     static void _SynthesizeWmActivate(void *param);
 148     static void _NotifyModalBlocked(void *param);
 149     static void _SetLwFrameUnderMouse(void* param);
 150 
 151     virtual void Reshape(int x, int y, int width, int height);
 152 
 153     virtual BOOL AwtSetActiveWindow(BOOL isMouseEventCause = FALSE, UINT hittest = HTCLIENT);
 154 
 155     void CheckRetainActualFocusedWindow(HWND activatedOpositeHWnd);
 156     BOOL CheckActivateActualFocusedWindow(HWND deactivatedOpositeHWnd);
 157 
 158     INLINE HWND GetImeTargetComponent() { return m_imeTargetComponent; }
 159     INLINE void SetImeTargetComponent(HWND hwnd) { m_imeTargetComponent = hwnd; }
 160 
 161 protected:
 162     /* The frame is undecorated. */
 163     BOOL m_isUndecorated;
 164 
 165 private:
 166     LRESULT ProxyWindowProc(UINT message, WPARAM wParam, LPARAM lParam, MsgRouting &mr);
 167 
 168     /* The frame's embedding parent (if any) */
 169     HWND m_parentWnd;
 170 
 171     /* The frame's menubar. */
 172     AwtMenuBar* menuBar;
 173 
 174     /* The frame is an EmbeddedFrame. */
 175     BOOL m_isEmbedded;
 176 
 177     /* The frame is a LightweightFrame */
 178     BOOL m_isLightweight;
 179 
 180     /* used so that calls to ::MoveWindow in SetMenuBar don't propogate
 181        because they are immediately followed by calls to Component.resize */
 182     BOOL m_ignoreWmSize;
 183 
 184     /* tracks whether or not menu on this frame is dropped down */
 185     BOOL m_isMenuDropped;
 186 
 187     /* The frame is an InputMethodWindow */
 188     BOOL m_isInputMethodWindow;
 189 
 190     // retains the target component for the IME messages
 191     HWND m_imeTargetComponent;
 192 
 193     /*
 194      * Fix for 4823903.
 195      * Retains a focus proxied window to set the focus correctly
 196      * when its owner get activated.
 197      */
 198     AwtWindow *m_actualFocusedWindow;
 199 
 200     /* The original, default WndProc for m_proxyFocusOwner. */
 201     WNDPROC m_proxyDefWindowProc;
 202 
 203     BOOL m_iconic;          /* are we in an iconic state */
 204     BOOL m_zoomed;          /* are we in a zoomed state */
 205 
 206     /* whether WmSize() must unconditionally reset zoomed state */
 207     BOOL m_forceResetZoomed;
 208 
 209     BOOL  m_maxBoundsSet;
 210     POINT m_maxPos;
 211     POINT m_maxSize;
 212 
 213     BOOL isInManualMoveOrSize;
 214     WPARAM grabbedHitTest;
 215     POINT savedMousePos;
 216 
 217     /*
 218      * Hashtable<Thread, BlockedThreadStruct> - a table that contains all the
 219      * information about non-toolkit threads with modal blocked embedded
 220      * frames. This information includes: number of blocked embedded frames
 221      * created on the the thread, and mouse and modal hooks installed for
 222      * that thread. For every thread each hook is installed only once
 223      */
 224     static Hashtable sm_BlockedThreads;
 225 };
 226 
 227 #endif /* AWT_FRAME_H */