| /* |
| * Copyright (c) 1996, 2015, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef AWT_COMPONENT_H |
| #define AWT_COMPONENT_H |
| |
| #include "awtmsg.h" |
| #include "awt_Object.h" |
| #include "awt_Font.h" |
| #include "awt_Brush.h" |
| #include "awt_Pen.h" |
| #include "awt_Win32GraphicsDevice.h" |
| #include "GDIWindowSurfaceData.h" |
| |
| #include "java_awt_Component.h" |
| #include "sun_awt_windows_WComponentPeer.h" |
| #include "java_awt_event_KeyEvent.h" |
| #include "java_awt_event_MouseEvent.h" |
| #include "java_awt_event_WindowEvent.h" |
| #include "java_awt_Dimension.h" |
| |
| extern LPCTSTR szAwtComponentClassName; |
| |
| static LPCTSTR DrawingStateProp = TEXT("SunAwtDrawingStateProp"); |
| |
| const UINT IGNORE_KEY = (UINT)-1; |
| const UINT MAX_ACP_STR_LEN = 7; // ANSI CP identifiers are no longer than this |
| |
| #define LEFT_BUTTON 1 |
| #define MIDDLE_BUTTON 2 |
| #define RIGHT_BUTTON 4 |
| #define DBL_CLICK 8 |
| #define X1_BUTTON 16 |
| #define X2_BUTTON 32 |
| |
| #ifndef MK_XBUTTON1 |
| #define MK_XBUTTON1 0x0020 |
| #endif |
| |
| #ifndef MK_XBUTTON2 |
| #define MK_XBUTTON2 0x0040 |
| #endif |
| |
| // combination of standard mouse button flags |
| const int ALL_MK_BUTTONS = MK_LBUTTON|MK_MBUTTON|MK_RBUTTON; |
| const int X_BUTTONS = MK_XBUTTON1|MK_XBUTTON2; |
| |
| |
| |
| // Whether to check for embedded frame and adjust location |
| #define CHECK_EMBEDDED 0 |
| #define DONT_CHECK_EMBEDDED 1 |
| |
| class AwtPopupMenu; |
| |
| class AwtDropTarget; |
| |
| /* |
| * Message routing codes |
| */ |
| enum MsgRouting { |
| mrPassAlong, /* pass along to next in chain */ |
| mrDoDefault, /* skip right to underlying default behavior */ |
| mrConsume, /* consume msg & terminate routing immediatly, |
| * don't pass anywhere |
| */ |
| }; |
| |
| /************************************************************************ |
| * AwtComponent class |
| */ |
| |
| class AwtComponent : public AwtObject { |
| public: |
| /* java.awt.Component fields and method IDs */ |
| static jfieldID peerID; |
| static jfieldID xID; |
| static jfieldID yID; |
| static jfieldID widthID; |
| static jfieldID heightID; |
| static jfieldID visibleID; |
| static jfieldID backgroundID; |
| static jfieldID foregroundID; |
| static jfieldID enabledID; |
| static jfieldID parentID; |
| static jfieldID cursorID; |
| static jfieldID graphicsConfigID; |
| static jfieldID peerGCID; |
| static jfieldID focusableID; |
| static jfieldID appContextID; |
| static jfieldID hwndID; |
| |
| static jmethodID getFontMID; |
| static jmethodID getToolkitMID; |
| static jmethodID isEnabledMID; |
| static jmethodID getLocationOnScreenMID; |
| static jmethodID replaceSurfaceDataMID; |
| static jmethodID replaceSurfaceDataLaterMID; |
| static jmethodID disposeLaterMID; |
| |
| static const UINT WmAwtIsComponent; |
| static jint * masks; //InputEvent mask array |
| AwtComponent(); |
| virtual ~AwtComponent(); |
| |
| /* |
| * Dynamic class registration & creation |
| */ |
| virtual LPCTSTR GetClassName() = 0; |
| /* |
| * Fix for 4964237: Win XP: Changing theme changes java dialogs title icon |
| * WNDCLASS structure has been superseded by the WNDCLASSEX in Win32 |
| */ |
| virtual void FillClassInfo(WNDCLASSEX *lpwc); |
| virtual void RegisterClass(); |
| virtual void UnregisterClass(); |
| |
| virtual void CreateHWnd(JNIEnv *env, LPCWSTR title, |
| DWORD windowStyle, DWORD windowExStyle, |
| int x, int y, int w, int h, |
| HWND hWndParent, HMENU hMenu, |
| COLORREF colorForeground, COLORREF colorBackground, |
| jobject peer); |
| virtual void DestroyHWnd(); |
| void InitPeerGraphicsConfig(JNIEnv *env, jobject peer); |
| |
| virtual void Dispose(); |
| |
| void UpdateBackground(JNIEnv *env, jobject target); |
| |
| virtual void SubclassHWND(); |
| virtual void UnsubclassHWND(); |
| |
| static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, |
| WPARAM wParam, LPARAM lParam); |
| |
| /* |
| * Access to the various objects of this aggregate component |
| */ |
| INLINE HWND GetHWnd() { return m_hwnd; } |
| INLINE void SetHWnd(HWND hwnd) { m_hwnd = hwnd; } |
| |
| static AwtComponent* GetComponent(HWND hWnd); |
| |
| /* |
| * Access to the properties of the component |
| */ |
| INLINE COLORREF GetColor() { return m_colorForeground; } |
| virtual void SetColor(COLORREF c); |
| HPEN GetForegroundPen(); |
| |
| COLORREF GetBackgroundColor(); |
| virtual void SetBackgroundColor(COLORREF c); |
| HBRUSH GetBackgroundBrush(); |
| INLINE BOOL IsBackgroundColorSet() { return m_backgroundColorSet; } |
| |
| virtual void SetFont(AwtFont *pFont); |
| |
| INLINE void SetText(LPCTSTR text) { ::SetWindowText(GetHWnd(), text); } |
| INLINE int GetText(LPTSTR buffer, int size) { |
| return ::GetWindowText(GetHWnd(), buffer, size); |
| } |
| INLINE int GetTextLength() { return ::GetWindowTextLength(GetHWnd()); } |
| |
| virtual void GetInsets(RECT* rect) { |
| VERIFY(::SetRectEmpty(rect)); |
| } |
| |
| BOOL IsVisible() { return m_visible;}; |
| |
| HDC GetDCFromComponent(); |
| |
| /* |
| * Enable/disable component |
| */ |
| virtual void Enable(BOOL bEnable); |
| |
| /* |
| * Validate and call handleExpose on rects of UpdateRgn |
| */ |
| void PaintUpdateRgn(const RECT *insets); |
| |
| static HWND GetTopLevelParentForWindow(HWND hwndDescendant); |
| |
| static jobject FindHeavyweightUnderCursor(BOOL useCache); |
| |
| /* |
| * Returns the parent component. If no parent window, or the |
| * parent window isn't an AwtComponent, returns NULL. |
| */ |
| AwtComponent* GetParent(); |
| |
| /* Get the component's immediate container. Note: may return NULL while |
| the component is being reparented in full-screen mode by Direct3D */ |
| class AwtWindow* GetContainer(); |
| |
| /* Is a component a container? Used by above method */ |
| virtual BOOL IsContainer() { return FALSE;} // Plain components can't |
| |
| /** |
| * Returns TRUE if this message will trigger native focus change, FALSE otherwise. |
| */ |
| virtual BOOL IsFocusingKeyMessage(MSG *pMsg); |
| virtual BOOL IsFocusingMouseMessage(MSG *pMsg); |
| |
| BOOL IsFocusable(); |
| |
| /* |
| * Returns an increasing unsigned value used for child control IDs. |
| * There is no attempt to reclaim command ID's. |
| */ |
| INLINE UINT CreateControlID() { return m_nextControlID++; } |
| |
| // returns the current keyboard layout |
| INLINE static HKL GetKeyboardLayout() { |
| return m_hkl; |
| } |
| |
| // returns the current code page that should be used in |
| // all MultiByteToWideChar and WideCharToMultiByte calls. |
| // This code page should also be use in IsDBCSLeadByteEx. |
| INLINE static UINT GetCodePage() |
| { |
| return m_CodePage; |
| } |
| |
| // Added by waleed for BIDI Support |
| // returns the right to left status |
| INLINE static BOOL GetRTLReadingOrder() { |
| return sm_rtlReadingOrder; |
| } |
| // returns the right to left status |
| INLINE static BOOL GetRTL() { |
| return sm_rtl; |
| } |
| // returns the current sub language |
| INLINE static LANGID GetSubLanguage() { |
| return SUBLANGID(m_idLang); |
| } |
| // end waleed |
| |
| // returns the current input language |
| INLINE static LANGID GetInputLanguage() |
| { |
| return m_idLang; |
| } |
| // Convert Language ID to CodePage |
| static UINT LangToCodePage(LANGID idLang); |
| |
| /* |
| * methods on this component |
| */ |
| virtual void Show(); |
| virtual void Hide(); |
| virtual void Reshape(int x, int y, int w, int h); |
| |
| /* |
| * Fix for 4046446. |
| * Component size/position helper, for the values above the short int limit. |
| */ |
| static BOOL SetWindowPos(HWND wnd, HWND after, |
| int x, int y, int w, int h, UINT flags); |
| |
| /* |
| * Sets the scrollbar values. 'bar' can be either SB_VERT or |
| * SB_HORZ. 'min', 'value', and 'max' can have the value INT_MAX |
| * which means that the value should not be changed. |
| */ |
| void SetScrollValues(UINT bar, int min, int value, int max); |
| |
| INLINE LRESULT SendMessage(UINT msg, WPARAM wParam=0, LPARAM lParam=0) { |
| DASSERT(GetHWnd()); |
| return ::SendMessage(GetHWnd(), msg, wParam, lParam); |
| } |
| |
| void PostUngrabEvent(); |
| |
| INLINE virtual LONG GetStyle() { |
| DASSERT(GetHWnd()); |
| return ::GetWindowLong(GetHWnd(), GWL_STYLE); |
| } |
| INLINE virtual void SetStyle(LONG style) { |
| DASSERT(GetHWnd()); |
| // SetWindowLong() error handling as recommended by Win32 API doc. |
| ::SetLastError(0); |
| DWORD ret = ::SetWindowLong(GetHWnd(), GWL_STYLE, style); |
| DASSERT(ret != 0 || ::GetLastError() == 0); |
| } |
| INLINE virtual LONG GetStyleEx() { |
| DASSERT(GetHWnd()); |
| return ::GetWindowLong(GetHWnd(), GWL_EXSTYLE); |
| } |
| INLINE virtual void SetStyleEx(LONG style) { |
| DASSERT(GetHWnd()); |
| // SetWindowLong() error handling as recommended by Win32 API doc. |
| ::SetLastError(0); |
| DWORD ret = ::SetWindowLong(GetHWnd(), GWL_EXSTYLE, style); |
| DASSERT(ret != 0 || ::GetLastError() == 0); |
| } |
| |
| virtual BOOL NeedDblClick() { return FALSE; } |
| |
| /* for multifont component */ |
| static void DrawWindowText(HDC hDC, jobject font, jstring text, |
| int x, int y); |
| static void DrawGrayText(HDC hDC, jobject font, jstring text, |
| int x, int y); |
| |
| void DrawListItem(JNIEnv *env, DRAWITEMSTRUCT &drawInfo); |
| |
| void MeasureListItem(JNIEnv *env, MEASUREITEMSTRUCT &measureInfo); |
| |
| jstring GetItemString(JNIEnv *env, jobject target, jint index); |
| |
| jint GetFontHeight(JNIEnv *env); |
| |
| virtual jobject PreferredItemSize(JNIEnv *env) {DASSERT(FALSE); return NULL; } |
| |
| INLINE BOOL isEnabled() { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| if (env->EnsureLocalCapacity(2) < 0) { |
| return NULL; |
| } |
| jobject self = GetPeer(env); |
| jobject target = env->GetObjectField(self, AwtObject::targetID); |
| BOOL e = env->CallBooleanMethod(target, AwtComponent::isEnabledMID); |
| DASSERT(!safe_ExceptionOccurred(env)); |
| |
| env->DeleteLocalRef(target); |
| |
| return e; |
| } |
| |
| INLINE BOOL isRecursivelyEnabled() { |
| AwtComponent* p = this; |
| do { |
| if (!p->isEnabled()) { |
| return FALSE; |
| } |
| } while (!p->IsTopLevel() && |
| (p = p->GetParent()) != NULL); |
| return TRUE; |
| } |
| |
| void SendKeyEventToFocusOwner(jint id, jlong when, jint raw, jint cooked, |
| jint modifiers, jint keyLocation, jlong nativeCode, |
| MSG *msg = NULL); |
| /* |
| * Allocate and initialize a new java.awt.event.KeyEvent, and |
| * post it to the peer's target object. No response is expected |
| * from the target. |
| */ |
| void SendKeyEvent(jint id, jlong when, jint raw, jint cooked, |
| jint modifiers, jint keyLocation, jlong nativeCode, |
| MSG *msg = NULL); |
| |
| /* |
| * Allocate and initialize a new java.awt.event.MouseEvent, and |
| * post it to the peer's target object. No response is expected |
| * from the target. |
| */ |
| void SendMouseEvent(jint id, jlong when, jint x, jint y, |
| jint modifiers, jint clickCount, |
| jboolean popupTrigger, jint button = 0, |
| MSG *msg = NULL); |
| |
| /* |
| * Allocate and initialize a new java.awt.event.MouseWheelEvent, and |
| * post it to the peer's target object. No response is expected |
| * from the target. |
| */ |
| void SendMouseWheelEvent(jint id, jlong when, jint x, jint y, |
| jint modifiers, jint clickCount, |
| jboolean popupTrigger, jint scrollType, |
| jint scrollAmount, jint wheelRotation, |
| jdouble preciseWheelRotation, MSG *msg = NULL); |
| |
| /* |
| * Allocate and initialize a new java.awt.event.FocusEvent, and |
| * post it to the peer's target object. No response is expected |
| * from the target. |
| */ |
| void SendFocusEvent(jint id, HWND opposite); |
| |
| /* Forward a filtered event directly to the subclassed window. |
| synthetic should be TRUE iff the message was generated because |
| of a synthetic Java event, rather than a native event. */ |
| virtual MsgRouting HandleEvent(MSG *msg, BOOL synthetic); |
| |
| /* Post a WM_AWT_HANDLE_EVENT message which invokes HandleEvent |
| on the toolkit thread. This method may pre-filter the messages. */ |
| virtual BOOL PostHandleEventMessage(MSG *msg, BOOL synthetic); |
| |
| /* Event->message synthesizer methods. */ |
| void SynthesizeKeyMessage(JNIEnv *env, jobject keyEvent); |
| void SynthesizeMouseMessage(JNIEnv *env, jobject mouseEvent); |
| |
| /* Components which inherit native mouse wheel behavior will |
| * return TRUE. These are TextArea, Choice, FileDialog, and |
| * List. All other Components return FALSE. |
| */ |
| virtual BOOL InheritsNativeMouseWheelBehavior(); |
| |
| /* Determines whether the component is obscured by another window */ |
| // Called on Toolkit thread |
| static jboolean _IsObscured(void *param); |
| |
| /* Invalidate the specified rectangle. */ |
| virtual void Invalidate(RECT* r); |
| |
| /* Begin and end deferred window positioning. */ |
| virtual void BeginValidate(); |
| virtual void EndValidate(); |
| |
| /* Keyboard conversion routines. */ |
| static void InitDynamicKeyMapTable(); |
| static void BuildDynamicKeyMapTable(); |
| static jint GetJavaModifiers(); |
| static jint GetButton(int mouseButton); |
| static UINT GetButtonMK(int mouseButton); |
| static UINT WindowsKeyToJavaKey(UINT windowsKey, UINT modifiers, UINT character, BOOL isDeadKey); |
| static void JavaKeyToWindowsKey(UINT javaKey, UINT *windowsKey, UINT *modifiers, UINT originalWindowsKey); |
| static void UpdateDynPrimaryKeymap(UINT wkey, UINT jkeyLegacy, jint keyLocation, UINT modifiers); |
| |
| INLINE static void AwtComponent::JavaKeyToWindowsKey(UINT javaKey, |
| UINT *windowsKey, UINT *modifiers) |
| { |
| JavaKeyToWindowsKey(javaKey, windowsKey, modifiers, IGNORE_KEY); |
| } |
| |
| enum TransOps {NONE, LOAD, SAVE}; |
| |
| UINT WindowsKeyToJavaChar(UINT wkey, UINT modifiers, TransOps ops, BOOL &isDeadKey); |
| |
| /* routines used for input method support */ |
| void SetInputMethod(jobject im, BOOL useNativeCompWindow); |
| void SendInputMethodEvent(jint id, jstring text, int cClause, |
| int *rgClauseBoundary, jstring *rgClauseReading, |
| int cAttrBlock, int *rgAttrBoundary, |
| BYTE *rgAttrValue, int commitedTextLength, |
| int caretPos, int visiblePos); |
| void InquireCandidatePosition(); |
| INLINE LPARAM GetCandidateType() { return m_bitsCandType; } |
| HWND ImmGetHWnd(); |
| HIMC ImmAssociateContext(HIMC himc); |
| HWND GetProxyFocusOwner(); |
| |
| INLINE HWND GetProxyToplevelContainer() { |
| HWND proxyHWnd = GetProxyFocusOwner(); |
| return ::GetAncestor(proxyHWnd, GA_ROOT); // a browser in case of EmbeddedFrame |
| } |
| |
| void CallProxyDefWindowProc(UINT message, |
| WPARAM wParam, |
| LPARAM lParam, |
| LRESULT &retVal, |
| MsgRouting &mr); |
| |
| /* |
| * Windows message handler functions |
| */ |
| virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); |
| virtual LRESULT DefWindowProc(UINT msg, WPARAM wParam, LPARAM lParam); |
| |
| /* return true if msg is processed */ |
| virtual MsgRouting PreProcessMsg(MSG& msg); |
| |
| virtual MsgRouting WmCreate() {return mrDoDefault;} |
| virtual MsgRouting WmClose() {return mrDoDefault;} |
| virtual MsgRouting WmDestroy(); |
| virtual MsgRouting WmNcDestroy(); |
| |
| virtual MsgRouting WmActivate(UINT nState, BOOL fMinimized, HWND opposite) |
| { |
| return mrDoDefault; |
| } |
| |
| virtual MsgRouting WmEraseBkgnd(HDC hDC, BOOL& didErase) |
| { |
| return mrDoDefault; |
| } |
| |
| virtual MsgRouting WmPaint(HDC hDC); |
| 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 WmShowWindow(BOOL show, UINT status); |
| virtual MsgRouting WmSetFocus(HWND hWndLost); |
| virtual MsgRouting WmKillFocus(HWND hWndGot); |
| virtual MsgRouting WmCtlColor(HDC hDC, HWND hCtrl, |
| UINT ctlColor, HBRUSH& retBrush); |
| virtual MsgRouting WmHScroll(UINT scrollCode, UINT pos, HWND hScrollBar); |
| virtual MsgRouting WmVScroll(UINT scrollCode, UINT pos, HWND hScrollBar); |
| |
| virtual MsgRouting WmMouseEnter(UINT flags, int x, int y); |
| virtual MsgRouting WmMouseDown(UINT flags, int x, int y, int button); |
| virtual MsgRouting WmMouseUp(UINT flags, int x, int y, int button); |
| virtual MsgRouting WmMouseMove(UINT flags, int x, int y); |
| virtual MsgRouting WmMouseExit(UINT flags, int x, int y); |
| virtual MsgRouting WmMouseWheel(UINT flags, int x, int y, |
| int wheelRotation); |
| virtual MsgRouting WmNcMouseDown(WPARAM hitTest, int x, int y, int button); |
| virtual MsgRouting WmNcMouseUp(WPARAM hitTest, int x, int y, int button); |
| virtual MsgRouting WmWindowPosChanging(LPARAM windowPos); |
| virtual MsgRouting WmWindowPosChanged(LPARAM windowPos); |
| |
| // NB: 64-bit: vkey is wParam of the message, but other API's take |
| // vkey parameters of type UINT, so we do the cast before dispatching. |
| virtual MsgRouting WmKeyDown(UINT vkey, UINT repCnt, UINT flags, BOOL system); |
| virtual MsgRouting WmKeyUp(UINT vkey, UINT repCnt, UINT flags, BOOL system); |
| |
| virtual MsgRouting WmChar(UINT character, UINT repCnt, UINT flags, BOOL system); |
| virtual MsgRouting WmIMEChar(UINT character, UINT repCnt, UINT flags, BOOL system); |
| virtual MsgRouting WmInputLangChange(UINT charset, HKL hKeyBoardLayout); |
| virtual MsgRouting WmForwardChar(WCHAR character, LPARAM lParam, |
| BOOL synthethic); |
| virtual MsgRouting WmPaste(); |
| |
| virtual void SetCompositionWindow(RECT &r); |
| virtual void OpenCandidateWindow(int x, int y); |
| virtual void SetCandidateWindow(int iCandType, int x, int y); |
| virtual MsgRouting WmImeSetContext(BOOL fSet, LPARAM *lplParam); |
| virtual MsgRouting WmImeNotify(WPARAM subMsg, LPARAM bitsCandType); |
| virtual MsgRouting WmImeStartComposition(); |
| virtual MsgRouting WmImeEndComposition(); |
| virtual MsgRouting WmImeComposition(WORD wChar, LPARAM flags); |
| |
| virtual MsgRouting WmTimer(UINT_PTR timerID) {return mrDoDefault;} |
| |
| virtual MsgRouting WmCommand(UINT id, HWND hWndCtrl, UINT notifyCode); |
| |
| /* reflected WmCommand from parent */ |
| virtual MsgRouting WmNotify(UINT notifyCode); |
| |
| virtual MsgRouting WmCompareItem(UINT /*ctrlId*/, |
| COMPAREITEMSTRUCT &compareInfo, |
| LRESULT &result); |
| virtual MsgRouting WmDeleteItem(UINT /*ctrlId*/, |
| DELETEITEMSTRUCT &deleteInfo); |
| virtual MsgRouting WmDrawItem(UINT ctrlId, |
| DRAWITEMSTRUCT &drawInfo); |
| virtual MsgRouting WmMeasureItem(UINT ctrlId, |
| MEASUREITEMSTRUCT &measureInfo); |
| /* Fix 4181790 & 4223341 : These functions get overridden in owner-drawn |
| * components instead of the Wm... versions. |
| */ |
| virtual MsgRouting OwnerDrawItem(UINT ctrlId, |
| DRAWITEMSTRUCT &drawInfo); |
| virtual MsgRouting OwnerMeasureItem(UINT ctrlId, |
| MEASUREITEMSTRUCT &measureInfo); |
| |
| virtual MsgRouting WmPrint(HDC hDC, LPARAM flags); |
| virtual MsgRouting WmPrintClient(HDC hDC, LPARAM flags); |
| |
| 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 WmSysCommand(UINT uCmdType, int xPos, int yPos); |
| virtual MsgRouting WmExitSizeMove(); |
| virtual MsgRouting WmEnterMenuLoop(BOOL isTrackPopupMenu); |
| virtual MsgRouting WmExitMenuLoop(BOOL isTrackPopupMenu); |
| |
| virtual MsgRouting WmQueryNewPalette(LRESULT &retVal); |
| virtual MsgRouting WmPaletteChanged(HWND hwndPalChg); |
| virtual MsgRouting WmPaletteIsChanging(HWND hwndPalChg); |
| virtual MsgRouting WmStyleChanged(int wStyleType, LPSTYLESTRUCT lpss); |
| virtual MsgRouting WmSettingChange(UINT wFlag, LPCTSTR pszSection); |
| |
| virtual MsgRouting WmContextMenu(HWND hCtrl, UINT xPos, UINT yPos) { |
| return mrDoDefault; |
| } |
| |
| void UpdateColorModel(); |
| |
| jintArray CreatePrintedPixels(SIZE &loc, SIZE &size, int alpha); |
| |
| /* |
| * HWND, AwtComponent and Java Peer interaction |
| * |
| * Link the C++, Java peer, and HWNDs together. |
| */ |
| void LinkObjects(JNIEnv *env, jobject peer); |
| |
| void UnlinkObjects(); |
| |
| static BOOL QueryNewPaletteCalled() { return m_QueryNewPaletteCalled; } |
| |
| #ifdef DEBUG |
| virtual void VerifyState(); /* verify component and peer are in sync. */ |
| #else |
| void VerifyState() {} /* no-op */ |
| #endif |
| |
| virtual AwtDropTarget* CreateDropTarget(JNIEnv* env); |
| virtual void DestroyDropTarget(); |
| |
| INLINE virtual HWND GetDBCSEditHandle() { return NULL; } |
| // State for native drawing API |
| INLINE jint GetDrawState() { return GetDrawState(m_hwnd); } |
| INLINE void SetDrawState(jint state) { SetDrawState(m_hwnd, state); } // State for native drawing API |
| |
| INLINE virtual BOOL IsTopLevel() { return FALSE; } |
| INLINE virtual BOOL IsEmbeddedFrame() { return FALSE; } |
| INLINE virtual BOOL IsScrollbar() { return FALSE; } |
| |
| static INLINE BOOL IsTopLevelHWnd(HWND hwnd) { |
| AwtComponent *comp = AwtComponent::GetComponent(hwnd); |
| return (comp != NULL && comp->IsTopLevel()); |
| } |
| static INLINE BOOL IsEmbeddedFrameHWnd(HWND hwnd) { |
| AwtComponent *comp = AwtComponent::GetComponent(hwnd); |
| return (comp != NULL && comp->IsEmbeddedFrame()); |
| } |
| |
| static jint GetDrawState(HWND hwnd); |
| static void SetDrawState(HWND hwnd, jint state); |
| |
| static HWND GetHWnd(JNIEnv* env, jobject target); |
| |
| static MSG* CreateMessage(UINT message, WPARAM wParam, LPARAM lParam, int x, int y); |
| static void InitMessage(MSG* msg, UINT message, WPARAM wParam, LPARAM lParam, int x, int y); |
| |
| // Some methods to be called on Toolkit thread via Toolkit.InvokeFunction() |
| static void _Show(void *param); |
| static void _Hide(void *param); |
| static void _Enable(void *param); |
| static void _Disable(void *param); |
| static jobject _GetLocationOnScreen(void *param); |
| static void _Reshape(void *param); |
| static void _ReshapeNoCheck(void *param); |
| static void _NativeHandleEvent(void *param); |
| static void _SetForeground(void *param); |
| static void _SetBackground(void *param); |
| static void _SetFont(void *param); |
| static void _Start(void *param); |
| static void _BeginValidate(void *param); |
| static void _EndValidate(void *param); |
| static void _UpdateWindow(void *param); |
| static jlong _AddNativeDropTarget(void *param); |
| static void _RemoveNativeDropTarget(void *param); |
| static jintArray _CreatePrintedPixels(void *param); |
| static jboolean _NativeHandlesWheelScrolling(void *param); |
| static void _SetRectangularShape(void *param); |
| static void _SetZOrder(void *param); |
| |
| static HWND sm_focusOwner; |
| |
| private: |
| static HWND sm_focusedWindow; |
| |
| public: |
| static inline HWND GetFocusedWindow() { return sm_focusedWindow; } |
| static void SetFocusedWindow(HWND window); |
| |
| static void _SetFocus(void *param); |
| |
| static void *SetNativeFocusOwner(void *self); |
| static void *GetNativeFocusedWindow(); |
| static void *GetNativeFocusOwner(); |
| |
| static BOOL sm_inSynthesizeFocus; |
| |
| // Execute on Toolkit only. |
| INLINE static LRESULT SynthesizeWmSetFocus(HWND targetHWnd, HWND oppositeHWnd) { |
| sm_inSynthesizeFocus = TRUE; |
| LRESULT res = ::SendMessage(targetHWnd, WM_SETFOCUS, (WPARAM)oppositeHWnd, 0); |
| sm_inSynthesizeFocus = FALSE; |
| return res; |
| } |
| // Execute on Toolkit only. |
| INLINE static LRESULT SynthesizeWmKillFocus(HWND targetHWnd, HWND oppositeHWnd) { |
| sm_inSynthesizeFocus = TRUE; |
| LRESULT res = ::SendMessage(targetHWnd, WM_KILLFOCUS, (WPARAM)oppositeHWnd, 0); |
| sm_inSynthesizeFocus = FALSE; |
| return res; |
| } |
| |
| static BOOL sm_bMenuLoop; |
| static INLINE BOOL isMenuLoopActive() { |
| return sm_bMenuLoop; |
| } |
| |
| // when this component is being destroyed, this method is called |
| // to find out if there are any messages being processed, and if |
| // there are some then disposal of this component is postponed |
| virtual BOOL CanBeDeleted() { |
| return m_MessagesProcessing == 0; |
| } |
| |
| BOOL IsDestroyPaused() const { |
| return m_bPauseDestroy; |
| } |
| |
| protected: |
| static AwtComponent* GetComponentImpl(HWND hWnd); |
| |
| static int GetClickCount(); |
| |
| HWND m_hwnd; |
| UINT m_myControlID; /* its own ID from the view point of parent */ |
| BOOL m_backgroundColorSet; |
| BOOL m_visible; /* copy of Component.visible */ |
| |
| static BOOL sm_suppressFocusAndActivation; |
| static BOOL sm_restoreFocusAndActivation; |
| |
| /* |
| * The function sets the focus-restore flag ON/OFF. |
| * When the flag is ON, focus is restored immidiately after the proxy loses it. |
| * All focus messages are suppressed. It's also assumed that sm_focusedWindow and |
| * sm_focusOwner don't change after the flag is set ON and before it's set OFF. |
| */ |
| static INLINE void SetRestoreFocus(BOOL doSet) { |
| sm_suppressFocusAndActivation = doSet; |
| sm_restoreFocusAndActivation = doSet; |
| } |
| |
| virtual void SetDragCapture(UINT flags); |
| virtual void ReleaseDragCapture(UINT flags); |
| |
| virtual void FillBackground(HDC hMemoryDC, SIZE &size); |
| virtual void FillAlpha(void *bitmapBits, SIZE &size, BYTE alpha); |
| |
| private: |
| /* A bitmask keeps the button's numbers as MK_LBUTTON, MK_MBUTTON, MK_RBUTTON |
| * which are allowed to |
| * generate the CLICK event after the RELEASE has happened. |
| * There are conditions that must be true for that sending CLICK event: |
| * 1) button was initially PRESSED |
| * 2) no movement or drag has happened until RELEASE |
| */ |
| UINT m_mouseButtonClickAllowed; |
| |
| BOOL m_bSubclassed; |
| BOOL m_bPauseDestroy; |
| |
| COLORREF m_colorForeground; |
| COLORREF m_colorBackground; |
| |
| AwtPen* m_penForeground; |
| AwtBrush* m_brushBackground; |
| |
| WNDPROC m_DefWindowProc; |
| // counter for messages being processed by this component |
| UINT m_MessagesProcessing; |
| |
| // provides a unique ID for child controls |
| UINT m_nextControlID; |
| |
| // DeferWindowPos handle for batched-up window positioning |
| HDWP m_hdwp; |
| // Counter to handle nested calls to Begin/EndValidate |
| UINT m_validationNestCount; |
| |
| AwtDropTarget* m_dropTarget; // associated DropTarget object |
| |
| // When we process WM_INPUTLANGCHANGE we remember the keyboard |
| // layout handle and associated input language and codepage. |
| // We also invalidate VK translation table for VK_OEM_* codes |
| static HKL m_hkl; |
| static UINT m_CodePage; |
| static LANGID m_idLang; |
| |
| static BOOL sm_rtl; |
| static BOOL sm_rtlReadingOrder; |
| |
| static BOOL sm_PrimaryDynamicTableBuilt; |
| |
| jobject m_InputMethod; |
| BOOL m_useNativeCompWindow; |
| LPARAM m_bitsCandType; |
| UINT m_PendingLeadByte; |
| |
| void SetComponentInHWND(); |
| |
| // Determines whether a given virtual key is on the numpad |
| static BOOL IsNumPadKey(UINT vkey, BOOL extended); |
| |
| // Determines the keyLocation of a given key |
| static jint GetKeyLocation(UINT wkey, UINT flags); |
| static jint GetShiftKeyLocation(UINT wkey, UINT flags); |
| |
| // Cache for FindComponent |
| static HWND sm_cursorOn; |
| |
| static BOOL m_QueryNewPaletteCalled; |
| |
| static AwtComponent* sm_getComponentCache; // a cache for the GetComponent(..) method. |
| |
| int windowMoveLockPosX; |
| int windowMoveLockPosY; |
| int windowMoveLockPosCX; |
| int windowMoveLockPosCY; |
| |
| // 6524352: support finer-resolution |
| int m_wheelRotationAmount; |
| |
| /* |
| * The association list of children's IDs and corresponding components. |
| * Some components like Choice or List are required their sizes while |
| * the creations of themselfs are in progress. |
| */ |
| class ChildListItem { |
| public: |
| ChildListItem(UINT id, AwtComponent* component) { |
| m_ID = id; |
| m_Component = component; |
| m_next = NULL; |
| } |
| ~ChildListItem() { |
| if (m_next != NULL) |
| delete m_next; |
| } |
| |
| UINT m_ID; |
| AwtComponent* m_Component; |
| ChildListItem* m_next; |
| }; |
| |
| public: |
| INLINE void PushChild(UINT id, AwtComponent* component) { |
| ChildListItem* child = new ChildListItem(id, component); |
| child->m_next = m_childList; |
| m_childList = child; |
| } |
| |
| static void SetParent(void * param); |
| private: |
| AwtComponent* SearchChild(UINT id); |
| void RemoveChild(UINT id) ; |
| static BOOL IsNavigationKey(UINT wkey); |
| static void BuildPrimaryDynamicTable(); |
| |
| ChildListItem* m_childList; |
| |
| HCURSOR m_hCursorCache; // the latest cursor which has been active within the heavyweight component |
| public: |
| inline void setCursorCache(HCURSOR hCursor) { |
| m_hCursorCache = hCursor; |
| } |
| inline HCURSOR getCursorCache() { |
| return m_hCursorCache; |
| } |
| }; |
| |
| class CounterHelper { |
| private: |
| UINT *m_counter; |
| public: |
| explicit CounterHelper(UINT *counter) { |
| m_counter = counter; |
| (*m_counter)++; |
| } |
| ~CounterHelper() { |
| (*m_counter)--; |
| m_counter = NULL; |
| } |
| }; |
| |
| // DC management objects; these classes are used to track the list of |
| // DC's associated with a given Component. Then DC's can be released |
| // appropriately on demand or on window destruction to avoid resource |
| // leakage. |
| class DCItem { |
| public: |
| HDC hDC; |
| HWND hWnd; |
| DCItem *next; |
| }; |
| class DCList { |
| DCItem *head; |
| CriticalSection listLock; |
| public: |
| DCList() { head = NULL; } |
| |
| void AddDC(HDC hDC, HWND hWnd); |
| void AddDCItem(DCItem *newItem); |
| DCItem *RemoveDC(HDC hDC, HWND hWnd); |
| DCItem *RemoveAllDCs(HWND hWnd); |
| void RealizePalettes(int screen); |
| }; |
| |
| void ReleaseDCList(HWND hwnd, DCList &list); |
| void MoveDCToPassiveList(HDC hDC, HWND hWnd); |
| |
| #include "ObjectList.h" |
| |
| #endif /* AWT_COMPONENT_H */ |