jdk/src/windows/native/sun/windows/awt_Window.h - platform/libcore - Git at Google

 /*
  * Copyright 1996-2007 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code 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 General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */

 #ifndef AWT_WINDOW_H
 #define AWT_WINDOW_H

 #include "awt_Canvas.h"

 #include "java_awt_Window.h"
 #include "sun_awt_windows_WWindowPeer.h"

 // property name tagging windows disabled by modality
 static LPCTSTR ModalBlockerProp = TEXT("SunAwtModalBlockerProp");
 static LPCTSTR ModalDialogPeerProp = TEXT("SunAwtModalDialogPeerProp");

 #ifndef WH_MOUSE_LL
 #define WH_MOUSE_LL 14
 #endif

 // WS_EX_NOACTIVATE is not defined in the headers we build with
 #define AWT_WS_EX_NOACTIVATE        0x08000000L

 class AwtFrame;

 /************************************************************************
  * AwtWindow class
  */

 class AwtWindow : public AwtCanvas {
 public:

     /* java.awt.Window field ids */
     static jfieldID warningStringID;
     static jfieldID locationByPlatformID;
     static jfieldID screenID; /* screen number passed over from WindowPeer */
     static jfieldID autoRequestFocusID;

     /* WWindowPeer class */
     static jclass wwindowPeerCls;
     /* long[] getActiveWindowHandles() method in WWindowPeer */
     static jmethodID getActiveWindowsMID;

     AwtWindow();
     virtual ~AwtWindow();

     virtual void Dispose();

     virtual LPCTSTR GetClassName();
     virtual void FillClassInfo(WNDCLASSEX *lpwc);

     static AwtWindow* Create(jobject self, jobject parent);

     // Returns TRUE if this Window is equal to or one of owners of wnd
     BOOL IsOneOfOwnersOf(AwtWindow * wnd);

     /* Update the insets for this Window (container), its peer &
      * optional other
      */
     BOOL UpdateInsets(jobject insets = 0);
     BOOL HasValidRect();

     static BOOL CALLBACK UpdateOwnedIconCallback(HWND hwnd, LPARAM param);

     INLINE AwtFrame * GetOwningFrameOrDialog() { return m_owningFrameDialog; }

     HWND GetTopLevelHWnd();

     /* Subtract inset values from a window origin. */
     INLINE void SubtractInsetPoint(int& x, int& y) {
         x -= m_insets.left;
         y -= m_insets.top;
     }

     virtual void GetInsets(RECT* rect) {
         VERIFY(::CopyRect(rect, &m_insets));
     }

     /* to make embedded frames easier */
     virtual BOOL IsEmbeddedFrame() { return FALSE;}

     /* We can hold children */
     virtual BOOL IsContainer() { return TRUE;}

     virtual BOOL IsUndecorated() { return TRUE; }

     INLINE virtual BOOL IsSimpleWindow() { return TRUE; }

     INLINE BOOL IsRetainingHierarchyZOrder() { return m_isRetainingHierarchyZOrder; }

     /* WARNING: don't invoke on Toolkit thread! */
     INLINE BOOL IsAutoRequestFocus() {
         JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
         return env->GetBooleanField(GetTarget(env), AwtWindow::autoRequestFocusID);
     }

     INLINE virtual BOOL IsFocusedWindowModalBlocker() {
         return FALSE;
     }

     virtual void Invalidate(RECT* r);
     virtual void Show();
     virtual void SetResizable(BOOL isResizable);
     BOOL IsResizable();
     virtual void RecalcNonClient();
     virtual void RedrawNonClient();
     virtual int  GetScreenImOn();
     virtual void CheckIfOnNewScreen();
     virtual void Grab();
     virtual void Ungrab();
     virtual void Ungrab(BOOL doPost);
     virtual void SetIconData(JNIEnv* env, jintArray iconData, jint w, jint h,
                              jintArray smallIconData, jint smw, jint smh);
     virtual void DoUpdateIcon();
     INLINE HICON GetHIcon() {return m_hIcon;};
     INLINE HICON GetHIconSm() {return m_hIconSm;};
     INLINE BOOL IsIconInherited() {return m_iconInherited;};

     /* Post events to the EventQueue */
     void SendComponentEvent(jint eventId);
     void SendWindowEvent(jint id, HWND opposite = NULL,
                          jint oldState = 0, jint newState = 0);

     BOOL IsFocusableWindow();

     /* some helper methods about blocking windows by modal dialogs */
     INLINE static HWND GetModalBlocker(HWND window) {
         return reinterpret_cast<HWND>(::GetProp(window, ModalBlockerProp));
     }
     static void SetModalBlocker(HWND window, HWND blocker);
     static void SetAndActivateModalBlocker(HWND window, HWND blocker);

     /*
      * Windows message handler functions
      */
     virtual MsgRouting WmActivate(UINT nState, BOOL fMinimized, HWND opposite);
     static void BounceActivation(void *self); // used by WmActivate
     virtual MsgRouting WmCreate();
     virtual MsgRouting WmClose();
     virtual MsgRouting WmDestroy();
     virtual MsgRouting WmShowWindow(BOOL show, UINT status);
     virtual MsgRouting WmDDEnterFullScreen(HMONITOR monitor);
     virtual MsgRouting WmDDExitFullScreen(HMONITOR monitor);
     virtual MsgRouting WmGetMinMaxInfo(LPMINMAXINFO lpmmi);
     virtual MsgRouting WmMove(int x, int y);
     virtual MsgRouting WmSize(UINT type, int w, int h);
     virtual MsgRouting WmSizing();
     virtual MsgRouting WmPaint(HDC hDC);
     virtual MsgRouting WmSettingChange(UINT wFlag, LPCTSTR pszSection);
     virtual MsgRouting WmNcCalcSize(BOOL fCalcValidRects,
                                     LPNCCALCSIZE_PARAMS lpncsp, LRESULT& retVal);
     virtual MsgRouting WmNcPaint(HRGN hrgn);
     virtual MsgRouting WmNcHitTest(UINT x, UINT y, LRESULT& retVal);
     virtual MsgRouting WmNcMouseDown(WPARAM hitTest, int x, int y, int button);
     virtual MsgRouting WmGetIcon(WPARAM iconType, LRESULT& retVal);
     virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
     virtual MsgRouting WmWindowPosChanging(LPARAM windowPos);
     virtual MsgRouting WmWindowPosChanged(LPARAM windowPos);

     virtual MsgRouting HandleEvent(MSG *msg, BOOL synthetic);
     virtual void WindowResized();

     void moveToDefaultLocation(); /* moves Window to X,Y specified by Window Manger */

     INLINE virtual BOOL IsTopLevel() { return TRUE; }
     static AwtWindow * GetGrabbedWindow() { return m_grabbedWindow; }

     static void FlashWindowEx(HWND hWnd, UINT count, DWORD timeout, DWORD flags);

     // some methods invoked on Toolkit thread
     static void _ToFront(void *param);
     static void _ToBack(void *param);
     static void _Grab(void *param);
     static void _Ungrab(void *param);
     static void _SetAlwaysOnTop(void *param);
     static void _SetTitle(void *param);
     static void _SetResizable(void *param);
     static void _UpdateInsets(void *param);
     static void _ReshapeFrame(void *param);
     static void _SetIconImagesData(void * param);
     static void _SetMinSize(void* param);
     static jint _GetScreenImOn(void *param);
     static void _SetFocusableWindow(void *param);
     static void _SetModalExcludedNativeProp(void *param);
     static void _ModalDisable(void *param);
     static void _ModalEnable(void *param);

     inline static BOOL IsResizing() {
         return sm_resizing;
     }

 private:
     static int ms_instanceCounter;
     static HHOOK ms_hCBTFilter;
     static LRESULT CALLBACK CBTFilter(int nCode, WPARAM wParam, LPARAM lParam);
     static HWND sm_retainingHierarchyZOrderInShow; // a referred window in the process of show
     static BOOL sm_resizing;        /* in the middle of a resizing operation */

     RECT m_insets;          /* a cache of the insets being used */
     RECT m_old_insets;      /* help determine if insets change */
     POINT m_sizePt;         /* the last value of WM_SIZE */
     RECT m_warningRect;     /* The window's warning banner area, if any. */
     AwtFrame *m_owningFrameDialog; /* The nearest Frame/Dialog which owns us */
     BOOL m_isFocusableWindow; /* a cache of Window.isFocusableWindow() return value */
     POINT m_minSize;          /* Minimum size of the window for WM_GETMINMAXINFO message */
     BOOL m_grabbed; // Whether the current window is grabbed
     BOOL m_isRetainingHierarchyZOrder; // Is this a window that shouldn't change z-order of any window
                                        // from its hierarchy when shown. Currently applied to instances of
                                        // javax/swing/Popup$HeavyWeightWindow class.

 protected:
     BOOL m_isResizable;
     static AwtWindow* m_grabbedWindow; // Current grabbing window
     HICON m_hIcon;            /* Icon for this window. It can be set explicitely or inherited from the owner */
     HICON m_hIconSm;          /* Small icon for this window. It can be set explicitely or inherited from the owner */
     BOOL m_iconInherited;     /* TRUE if icon is inherited from the owner */
     BOOL m_filterFocusAndActivation; /* Used in the WH_CBT hook */


 private:
     int m_screenNum;

     void InitOwner(AwtWindow *owner);
 };

 #endif /* AWT_WINDOW_H */
	/*
	* Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Sun designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Sun in the LICENSE file that accompanied this code.
	*
	* This code 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 General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	* CA 95054 USA or visit www.sun.com if you need additional information or
	* have any questions.
	*/

	#ifndef AWT_WINDOW_H
	#define AWT_WINDOW_H

	#include "awt_Canvas.h"

	#include "java_awt_Window.h"
	#include "sun_awt_windows_WWindowPeer.h"

	// property name tagging windows disabled by modality
	static LPCTSTR ModalBlockerProp = TEXT("SunAwtModalBlockerProp");
	static LPCTSTR ModalDialogPeerProp = TEXT("SunAwtModalDialogPeerProp");

	#ifndef WH_MOUSE_LL
	#define WH_MOUSE_LL 14
	#endif

	// WS_EX_NOACTIVATE is not defined in the headers we build with
	#define AWT_WS_EX_NOACTIVATE 0x08000000L

	class AwtFrame;

	/************************************************************************
	* AwtWindow class
	*/

	class AwtWindow : public AwtCanvas {
	public:

	/* java.awt.Window field ids */
	static jfieldID warningStringID;
	static jfieldID locationByPlatformID;
	static jfieldID screenID; /* screen number passed over from WindowPeer */
	static jfieldID autoRequestFocusID;

	/* WWindowPeer class */
	static jclass wwindowPeerCls;
	/* long[] getActiveWindowHandles() method in WWindowPeer */
	static jmethodID getActiveWindowsMID;

	AwtWindow();
	virtual ~AwtWindow();

	virtual void Dispose();

	virtual LPCTSTR GetClassName();
	virtual void FillClassInfo(WNDCLASSEX *lpwc);

	static AwtWindow* Create(jobject self, jobject parent);

	// Returns TRUE if this Window is equal to or one of owners of wnd
	BOOL IsOneOfOwnersOf(AwtWindow * wnd);

	/* Update the insets for this Window (container), its peer &
	* optional other
	*/
	BOOL UpdateInsets(jobject insets = 0);
	BOOL HasValidRect();

	static BOOL CALLBACK UpdateOwnedIconCallback(HWND hwnd, LPARAM param);

	INLINE AwtFrame * GetOwningFrameOrDialog() { return m_owningFrameDialog; }

	HWND GetTopLevelHWnd();

	/* Subtract inset values from a window origin. */
	INLINE void SubtractInsetPoint(int& x, int& y) {
	x -= m_insets.left;
	y -= m_insets.top;
	}

	virtual void GetInsets(RECT* rect) {
	VERIFY(::CopyRect(rect, &m_insets));
	}

	/* to make embedded frames easier */
	virtual BOOL IsEmbeddedFrame() { return FALSE;}

	/* We can hold children */
	virtual BOOL IsContainer() { return TRUE;}

	virtual BOOL IsUndecorated() { return TRUE; }

	INLINE virtual BOOL IsSimpleWindow() { return TRUE; }

	INLINE BOOL IsRetainingHierarchyZOrder() { return m_isRetainingHierarchyZOrder; }

	/* WARNING: don't invoke on Toolkit thread! */
	INLINE BOOL IsAutoRequestFocus() {
	JNIEnv env = (JNIEnv )JNU_GetEnv(jvm, JNI_VERSION_1_2);
	return env->GetBooleanField(GetTarget(env), AwtWindow::autoRequestFocusID);
	}

	INLINE virtual BOOL IsFocusedWindowModalBlocker() {
	return FALSE;
	}

	virtual void Invalidate(RECT* r);
	virtual void Show();
	virtual void SetResizable(BOOL isResizable);
	BOOL IsResizable();
	virtual void RecalcNonClient();
	virtual void RedrawNonClient();
	virtual int GetScreenImOn();
	virtual void CheckIfOnNewScreen();
	virtual void Grab();
	virtual void Ungrab();
	virtual void Ungrab(BOOL doPost);
	virtual void SetIconData(JNIEnv* env, jintArray iconData, jint w, jint h,
	jintArray smallIconData, jint smw, jint smh);
	virtual void DoUpdateIcon();
	INLINE HICON GetHIcon() {return m_hIcon;};
	INLINE HICON GetHIconSm() {return m_hIconSm;};
	INLINE BOOL IsIconInherited() {return m_iconInherited;};

	/* Post events to the EventQueue */
	void SendComponentEvent(jint eventId);
	void SendWindowEvent(jint id, HWND opposite = NULL,
	jint oldState = 0, jint newState = 0);

	BOOL IsFocusableWindow();

	/* some helper methods about blocking windows by modal dialogs */
	INLINE static HWND GetModalBlocker(HWND window) {
	return reinterpret_cast<HWND>(::GetProp(window, ModalBlockerProp));
	}
	static void SetModalBlocker(HWND window, HWND blocker);
	static void SetAndActivateModalBlocker(HWND window, HWND blocker);

	/*
	* Windows message handler functions
	*/
	virtual MsgRouting WmActivate(UINT nState, BOOL fMinimized, HWND opposite);
	static void BounceActivation(void *self); // used by WmActivate
	virtual MsgRouting WmCreate();
	virtual MsgRouting WmClose();
	virtual MsgRouting WmDestroy();
	virtual MsgRouting WmShowWindow(BOOL show, UINT status);
	virtual MsgRouting WmDDEnterFullScreen(HMONITOR monitor);
	virtual MsgRouting WmDDExitFullScreen(HMONITOR monitor);
	virtual MsgRouting WmGetMinMaxInfo(LPMINMAXINFO lpmmi);
	virtual MsgRouting WmMove(int x, int y);
	virtual MsgRouting WmSize(UINT type, int w, int h);
	virtual MsgRouting WmSizing();
	virtual MsgRouting WmPaint(HDC hDC);
	virtual MsgRouting WmSettingChange(UINT wFlag, LPCTSTR pszSection);
	virtual MsgRouting WmNcCalcSize(BOOL fCalcValidRects,
	LPNCCALCSIZE_PARAMS lpncsp, LRESULT& retVal);
	virtual MsgRouting WmNcPaint(HRGN hrgn);
	virtual MsgRouting WmNcHitTest(UINT x, UINT y, LRESULT& retVal);
	virtual MsgRouting WmNcMouseDown(WPARAM hitTest, int x, int y, int button);
	virtual MsgRouting WmGetIcon(WPARAM iconType, LRESULT& retVal);
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	virtual MsgRouting WmWindowPosChanging(LPARAM windowPos);
	virtual MsgRouting WmWindowPosChanged(LPARAM windowPos);

	virtual MsgRouting HandleEvent(MSG *msg, BOOL synthetic);
	virtual void WindowResized();

	void moveToDefaultLocation(); /* moves Window to X,Y specified by Window Manger */

	INLINE virtual BOOL IsTopLevel() { return TRUE; }
	static AwtWindow * GetGrabbedWindow() { return m_grabbedWindow; }

	static void FlashWindowEx(HWND hWnd, UINT count, DWORD timeout, DWORD flags);

	// some methods invoked on Toolkit thread
	static void _ToFront(void *param);
	static void _ToBack(void *param);
	static void _Grab(void *param);
	static void _Ungrab(void *param);
	static void _SetAlwaysOnTop(void *param);
	static void _SetTitle(void *param);
	static void _SetResizable(void *param);
	static void _UpdateInsets(void *param);
	static void _ReshapeFrame(void *param);
	static void _SetIconImagesData(void * param);
	static void _SetMinSize(void* param);
	static jint _GetScreenImOn(void *param);
	static void _SetFocusableWindow(void *param);
	static void _SetModalExcludedNativeProp(void *param);
	static void _ModalDisable(void *param);
	static void _ModalEnable(void *param);

	inline static BOOL IsResizing() {
	return sm_resizing;
	}

	private:
	static int ms_instanceCounter;
	static HHOOK ms_hCBTFilter;
	static LRESULT CALLBACK CBTFilter(int nCode, WPARAM wParam, LPARAM lParam);
	static HWND sm_retainingHierarchyZOrderInShow; // a referred window in the process of show
	static BOOL sm_resizing; /* in the middle of a resizing operation */

	RECT m_insets; /* a cache of the insets being used */
	RECT m_old_insets; /* help determine if insets change */
	POINT m_sizePt; /* the last value of WM_SIZE */
	RECT m_warningRect; /* The window's warning banner area, if any. */
	AwtFrame m_owningFrameDialog; / The nearest Frame/Dialog which owns us */
	BOOL m_isFocusableWindow; /* a cache of Window.isFocusableWindow() return value */
	POINT m_minSize; /* Minimum size of the window for WM_GETMINMAXINFO message */
	BOOL m_grabbed; // Whether the current window is grabbed
	BOOL m_isRetainingHierarchyZOrder; // Is this a window that shouldn't change z-order of any window
	// from its hierarchy when shown. Currently applied to instances of
	// javax/swing/Popup$HeavyWeightWindow class.

	protected:
	BOOL m_isResizable;
	static AwtWindow* m_grabbedWindow; // Current grabbing window
	HICON m_hIcon; /* Icon for this window. It can be set explicitely or inherited from the owner */
	HICON m_hIconSm; /* Small icon for this window. It can be set explicitely or inherited from the owner */
	BOOL m_iconInherited; /* TRUE if icon is inherited from the owner */
	BOOL m_filterFocusAndActivation; /* Used in the WH_CBT hook */


	private:
	int m_screenNum;

	void InitOwner(AwtWindow *owner);
	};

	#endif /* AWT_WINDOW_H */