source: trunk/src/user32/win32wbase.h@ 6340

Last change on this file since 6340 was 6169, checked in by sandervl, 24 years ago

fix for GetTopWindow/GetWindow calls during WM_NCCREATE
File size: 20.2 KB
Line 
1/* $Id: win32wbase.h,v 1.123 2001-07-04 17:46:05 sandervl Exp $ */
2/*
3 * Win32 Window Base Class for OS/2
4 *
5 *
6 * Copyright 1998-1999 Sander van Leeuwen (sandervl@xs4all.nl)
7 * Copyright 1999 Daniela Engert (dani@ngrt.de)
8 *
9 *
10 * Project Odin Software License can be found in LICENSE.TXT
11 *
12 */
13#ifndef __WIN32WNDBASE_H__
14#define __WIN32WNDBASE_H__
15
16#ifdef __cplusplus
17
18#include <win32class.h>
19#include "open32wbase.h"
20#include <gen_object.h>
21#include <win32wndchild.h>
22#include <winres.h>
23#include <scroll.h>
24
25class Win32BaseWindow;
26
27#define OFFSET_RESERVED 0 //reserved for odin apps (such as Opera)
28#define OFFSET_WIN32WNDPTR 4
29#define OFFSET_WIN32PM_MAGIC 8
30#define OFFSET_WIN32FLAGS 12
31#define NROF_WIN32WNDBYTES 16
32
33#define WINDOWFLAG_ACTIVE 1
34
35#define WIN32PM_MAGIC 0x12345678
36#define CheckMagicDword(a) (a==WIN32PM_MAGIC)
37
38#define RELEASE_WNDOBJ(a) { a->release(); a = NULL; }
39
40typedef struct {
41 USHORT cb;
42 Win32BaseWindow *win32wnd;
43 ULONG win32CreateStruct; //or dialog create dword
44} CUSTOMWNDDATA;
45
46typedef struct tagPROPERTY
47{
48 struct tagPROPERTY *next; /* Next property in window list */
49 HANDLE handle; /* User's data */
50 LPSTR string; /* Property string (or atom) */
51} PROPERTY;
52
53//PostThreadMessage is done through Open32; which means the message id will be translated
54//(0xc00 added)
55#define OPEN32_MSGDIFF 0xC00
56#define WIN32APP_POSTMSG (0x1000+OPEN32_MSGDIFF)
57
58//PM doesn't allow SetFocus during WM_SETFOCUS message processing; must delay
59//this by posting a message
60//NOTE Must be smaller than WIN32APP_POSTMSG!
61#define WIN32APP_SETFOCUSMSG (WIN32APP_POSTMSG-1)
62
63#define WIN32MSG_MAGICA 0x12345678
64#define WIN32MSG_MAGICW 0x12345679
65
66typedef struct
67{
68 ULONG wParam;
69 ULONG lParam;
70} POSTMSG_PACKET;
71
72#define BROADCAST_SEND 0
73#define BROADCAST_POST 1
74
75#define HAS_DLGFRAME(style,exStyle) \
76 (((exStyle) & WS_EX_DLGMODALFRAME) || \
77 (((style) & WS_DLGFRAME) && !((style) & WS_THICKFRAME)))
78
79#define HAS_THICKFRAME(style,exStyle) \
80 (((style) & WS_THICKFRAME) && \
81 !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
82#if 0
83 (((style) & WS_THICKFRAME) && \
84 !((exStyle) & WS_EX_DLGMODALFRAME) && \
85 !((style) & WS_CHILD))
86#endif
87
88#define HAS_THINFRAME(style) \
89 (((style) & WS_BORDER) || !((style) & (WS_CHILD | WS_POPUP)))
90
91#define HAS_BIGFRAME(style,exStyle) \
92 (((style) & (WS_THICKFRAME | WS_DLGFRAME)) || \
93 ((exStyle) & WS_EX_DLGMODALFRAME))
94
95#define HAS_ANYFRAME(style,exStyle) \
96 (((style) & (WS_THICKFRAME | WS_DLGFRAME | WS_BORDER)) || \
97 ((exStyle) & WS_EX_DLGMODALFRAME) || \
98 !((style) & (WS_CHILD | WS_POPUP)))
99
100#define HAS_3DFRAME(exStyle) \
101 ((exStyle & WS_EX_CLIENTEDGE) || (exStyle & WS_EX_STATICEDGE) || (exStyle & WS_EX_WINDOWEDGE))
102
103#define HAS_BORDER(style, exStyle) \
104 ((style & WS_BORDER) || HAS_THICKFRAME(style) || HAS_DLGFRAME(style,exStyle))
105
106#define IS_OVERLAPPED(style) \
107 !(style & (WS_CHILD | WS_POPUP))
108
109#define HAS_MENU() (!(getStyle() & WS_CHILD) && (GetMenu() != 0))
110
111#define STATE_INIT 0 //initial state
112#define STATE_PRE_WMNCCREATE 1 //before WM_NCCREATE
113#define STATE_POST_WMNCCREATE 2 //after WM_NCCREATE
114#define STATE_PRE_WMCREATE 3 //before WM_CREATE
115#define STATE_POST_WMCREATE 4 //after WM_CREATE
116#define STATE_CREATED 5 //after successful return of WinCreateWindow
117#define STATE_DESTROYED 6 //DestroyWindow called for window
118
119
120class Win32BaseWindow : public GenericObject, public ChildWindow
121{
122public:
123 Win32BaseWindow();
124 Win32BaseWindow(CREATESTRUCTA *lpCreateStructA, ATOM classAtom, BOOL isUnicode);
125 Win32BaseWindow(HWND hwndOS2, ULONG reserved);
126
127virtual ~Win32BaseWindow();
128
129virtual ULONG MsgCreate(HWND hwndOS2);
130 ULONG MsgQuit();
131 ULONG MsgClose();
132 ULONG MsgDestroy();
133virtual ULONG MsgEnable(BOOL fEnable);
134 ULONG MsgShow(BOOL fShow);
135 ULONG MsgPosChanging(LPARAM lp);
136 ULONG MsgPosChanged(LPARAM lp);
137 ULONG MsgActivate(BOOL fActivate, BOOL fMinimized, HWND hwnd, HWND hwndOS2Win);
138 ULONG MsgSetFocus(HWND hwnd);
139 ULONG MsgKillFocus(HWND hwnd);
140 ULONG MsgScroll(ULONG msg, ULONG scrollCode, ULONG scrollPos);
141 ULONG MsgButton(MSG *msg);
142 ULONG MsgMouseMove(MSG *msg);
143 ULONG MsgChar(MSG *msg);
144 ULONG MsgPaint(ULONG tmp1, BOOL select = TRUE);
145 ULONG MsgEraseBackGround(HDC hdc);
146 ULONG MsgNCPaint(PRECT pUpdateRect);
147 ULONG MsgFormatFrame(WINDOWPOS *lpWndPos);
148 ULONG DispatchMsgA(MSG *msg);
149 ULONG DispatchMsgW(MSG *msg);
150
151 ULONG MsgSetText(LPSTR lpsz, LONG cch);
152 ULONG MsgGetTextLength();
153 void MsgGetText(char *wndtext, ULONG textlength);
154 VOID updateWindowStyle(DWORD oldExStyle,DWORD oldStyle);
155
156virtual LONG SetWindowLongA(int index, ULONG value, BOOL fUnicode = FALSE);
157virtual ULONG GetWindowLongA(int index, BOOL fUnicode = FALSE);
158virtual WORD SetWindowWord(int index, WORD value);
159virtual WORD GetWindowWord(int index);
160
161 DWORD getStyle() { return dwStyle; };
162 DWORD getOldStyle() { return dwOldStyle; };
163 void setStyle(DWORD newstyle) { dwStyle = newstyle; };
164 DWORD getExStyle() { return dwExStyle; };
165 void setExStyle(DWORD newexstyle) { dwExStyle = newexstyle; };
166 ULONG getInstance() { return hInstance; };
167 void setInstance(ULONG newinstance) { hInstance = newinstance; };
168 HWND getWindowHandle() { return Win32Hwnd; };
169 HWND getOS2WindowHandle() { return OS2Hwnd; };
170 HWND getOS2FrameWindowHandle() { return OS2HwndFrame; };
171
172 Win32WndClass *getWindowClass() { return windowClass; };
173
174 LONG getLastHitTestVal() { return lastHitTestVal; }
175
176 DWORD getWindowContextHelpId() { return contextHelpId; };
177 void setWindowContextHelpId(DWORD id){ contextHelpId = id; };
178
179 BOOL isFrameWindow();
180virtual BOOL isMDIClient();
181virtual BOOL isMDIChild();
182virtual BOOL isDesktopWindow();
183
184 BOOL fHasParentDC() { return fParentDC; };
185
186Win32BaseWindow *getParent();
187 void setParent(Win32BaseWindow *pwindow) { setParentOfChild((ChildWindow *)pwindow); };
188 WNDPROC getWindowProc() { return win32wndproc; };
189 void setWindowProc(WNDPROC newproc) { win32wndproc = newproc; };
190 DWORD getWindowId() { return dwIDMenu; };
191 void setWindowId(DWORD id);
192 ULONG getWindowHeight() { return rectWindow.bottom - rectWindow.top; };
193 ULONG getWindowWidth() { return rectWindow.right - rectWindow.left; };
194 ULONG getClientHeight() { return rectClient.bottom - rectClient.top; };
195 ULONG getClientWidth() { return rectClient.right - rectClient.left; };
196 BOOL isChild();
197 PRECT getClientRectPtr() { return &rectClient; };
198 void getClientRect(PRECT rect)
199 {
200 *rect = rectClient;
201 rect->right -= rect->left;
202 rect->bottom -= rect->top;
203 rect->left = rect->top = 0;
204 }
205 void setClientRect(PRECT rect) { rectClient = *rect; };
206 PRECT getWindowRect() { return &rectWindow; };
207 void setClientRect(LONG left, LONG top, LONG right, LONG bottom)
208 {
209 rectClient.left = left; rectClient.top = top;
210 rectClient.right = right; rectClient.bottom = bottom;
211 };
212 void setWindowRect(LONG left, LONG top, LONG right, LONG bottom)
213 {
214 rectWindow.left = left; rectWindow.top = top;
215 rectWindow.right = right; rectWindow.bottom = bottom;
216 };
217 void setWindowRect(PRECT rect) { rectWindow = *rect; };
218 DWORD getFlags() { return flags; };
219 void setFlags(DWORD newflags) { flags = newflags; };
220
221 HMENU GetMenu() { return dwIDMenu; };
222 VOID SetMenu(HMENU newMenu) { dwIDMenu = newMenu; };
223 void SetSysMenu(HMENU hSystemMenu) { hSysMenu = hSystemMenu; };
224 HMENU GetSysMenu() { return hSysMenu; }
225
226 HICON IconForWindow(WPARAM fType);
227
228 void SetWindowRegion(HRGN hRegion) { hWindowRegion = hRegion; };
229 HRGN GetWindowRegion() { return hWindowRegion; };
230
231 //Save old clip region for CS_OWNDC windows (in BeginPaint)
232 HRGN GetClipRegion() { return hClipRegion; };
233 void SetClipRegion(HRGN hRegion) { hClipRegion = hRegion; };
234
235 BOOL ShowWindow(ULONG nCmdShow);
236 BOOL SetWindowPos(HWND hwndInsertAfter, int x, int y, int cx, int cy, UINT fuFlags);
237 BOOL SetWindowPlacement(WINDOWPLACEMENT *winpos);
238 BOOL GetWindowPlacement(LPWINDOWPLACEMENT winpos);
239 BOOL ScrollWindow(int dx, int dy);
240virtual BOOL DestroyWindow();
241 HWND SetActiveWindow();
242 BOOL DeactivateChildWindow();
243 HWND GetParent();
244 HWND SetParent(HWND hwndNewParent);
245
246 BOOL IsChild(HWND hwndParent);
247
248 HWND GetTopWindow();
249 HWND GetTopParent();
250
251 HWND GetWindow(UINT uCmd);
252 virtual BOOL EnableWindow(BOOL fEnable);
253 BOOL CloseWindow();
254 static HWND GetActiveWindow();
255 //Window handle has already been verified, so just return true
256 BOOL IsWindow() { return TRUE; };
257 BOOL IsDialog() { return fIsDialog; };
258 BOOL IsModalDialog() { return fIsModalDialog; };
259 BOOL IsModalDialogOwner() { return fIsModalDialogOwner; };
260 VOID setModalDialogOwner(BOOL fMDO) { fIsModalDialogOwner = fMDO; };
261 VOID setOS2HwndModalDialog(HWND aHwnd) { OS2HwndModalDialog = aHwnd; };
262 HWND getOS2HwndModalDialog() { return OS2HwndModalDialog; };
263 BOOL CanReceiveSizeMsgs() { return state >= STATE_PRE_WMCREATE; };
264 BOOL IsParentChanging() { return fParentChange; };
265 BOOL IsWindowCreated() { return state >= STATE_PRE_WMNCCREATE; }
266 BOOL IsWindowDestroyed() { return state >= STATE_DESTROYED; };
267 BOOL IsWindowIconic();
268 //Window procedure type
269 BOOL IsWindowUnicode();
270 BOOL IsMixMaxStateChanging() { return fMinMaxChange; };
271
272 void SetVisibleRegionChanged(BOOL changed) { fVisibleRegionChanged = changed; };
273 BOOL IsVisibleRegionChanged() { return fVisibleRegionChanged; };
274
275 int GetWindowTextLength(BOOL fUnicode);
276 int GetWindowTextLengthA() { return GetWindowTextLength(FALSE); };
277 int GetWindowTextLengthW() { return GetWindowTextLength(TRUE); };
278
279 int GetWindowTextA(LPSTR lpsz, int cch);
280 int GetWindowTextW(LPWSTR lpsz, int cch);
281 BOOL SetWindowTextA(LPSTR lpsz);
282 BOOL SetWindowTextW(LPWSTR lpsz);
283 BOOL hasWindowName(LPSTR wndname, BOOL fUnicode = 0);
284 CHAR *getWindowNamePtrA();
285 WCHAR *getWindowNamePtrW();
286 VOID freeWindowNamePtr(PVOID namePtr);
287 CHAR *getWindowNameA() { return windowNameA; }; //only for MDI windows!
288 WCHAR *getWindowNameW() { return windowNameW; }; //only for MDI windows!
289Win32WndClass *getClass() { return windowClass; };
290Win32BaseWindow *getOwner() { return owner; };
291 void setOwner(Win32BaseWindow *newOwner) { owner = newOwner; };
292
293 SCROLLBAR_INFO *getScrollInfo(int nBar);
294
295 LRESULT SendMessageA(ULONG msg, WPARAM wParam, LPARAM lParam);
296 LRESULT SendMessageW(ULONG msg, WPARAM wParam, LPARAM lParam);
297static LRESULT BroadcastMessageA(int type, UINT msg, WPARAM wParam, LPARAM lParam);
298static LRESULT BroadcastMessageW(int type, UINT msg, WPARAM wParam, LPARAM lParam);
299 void CallWindowHookProc(ULONG hooktype, ULONG Msg, WPARAM wParam, LPARAM lParam, BOOL fUnicode = FALSE);
300
301 LRESULT DefWindowProcA(UINT Msg, WPARAM wParam, LPARAM lParam);
302 LRESULT DefWindowProcW(UINT msg, WPARAM wParam, LPARAM lParam);
303
304 LRESULT DefWndControlColor(UINT ctlType, HDC hdc);
305 LRESULT DefWndPrint(HDC hdc,ULONG uFlags);
306
307 void NotifyParent(UINT Msg, WPARAM wParam, LPARAM lParam);
308
309 HWND FindWindowById(int id);
310
311 static HWND FindWindowEx(HWND hwndParent, HWND hwndChildAfter, ATOM atom, LPSTR lpszWindow);
312
313 BOOL EnumChildWindows(WNDENUMPROC lpfn, LPARAM lParam);
314 BOOL EnumThreadWindows(DWORD dwThreadId, WNDENUMPROC lpfn, LPARAM lParam);
315 BOOL EnumWindows(WNDENUMPROC lpfn, LPARAM lParam);
316
317 HWND getNextDlgGroupItem(HWND hwndCtrl, BOOL fPrevious);
318
319 BOOL isComingToTop() { return fComingToTop; };
320 void setComingToTop(BOOL fTop) { fComingToTop = fTop; };
321 BOOL isInTasklist() { return fTaskList; };
322
323 //window property methods
324 HANDLE getProp(LPCSTR str);
325 BOOL setProp(LPCSTR str, HANDLE handle);
326 HANDLE removeProp(LPCSTR str);
327 INT enumPropsExA(PROPENUMPROCEXA func, LPARAM lParam);
328 INT enumPropsExW(PROPENUMPROCEXW func, LPARAM lParam);
329
330//Locates window in linked list and increases reference count (if found)
331//Window object must be unreferenced after usage
332static Win32BaseWindow *GetWindowFromHandle(HWND hwnd);
333static Win32BaseWindow *GetWindowFromOS2Handle(HWND hwnd);
334static Win32BaseWindow *GetWindowFromOS2FrameHandle(HWND hwnd);
335
336 static void DestroyAll();
337
338protected:
339#ifndef OS2_INCLUDED
340 BOOL CreateWindowExA(CREATESTRUCTA *lpCreateStruct, ATOM classAtom);
341#endif
342 LRESULT SendInternalMessageA(ULONG msg, WPARAM wParam, LPARAM lParam);
343 LRESULT SendInternalMessageW(ULONG msg, WPARAM wParam, LPARAM lParam);
344 void Init();
345
346 void NotifyFrameChanged(WINDOWPOS *wpos, RECT *oldClientRect);
347
348 //called in destructor to remove all (if any) window properties
349 void removeWindowProps();
350 PROPERTY *findWindowProperty(LPCSTR str);
351
352 HWND OS2Hwnd, OS2HwndFrame;
353 HMENU hSysMenu;
354 HWND Win32Hwnd;
355
356 int posx, posy, width, height;
357
358 // values normally contained in the standard window words
359 ULONG dwExStyle; //GWL_EXSTYLE
360 ULONG dwStyle; //GWL_STYLE
361 ULONG dwOldStyle; //Used to determine which frame control buttons to change (OS/2 mode)
362 WNDPROC win32wndproc; //GWL_WNDPROC
363 ULONG hInstance; //GWL_HINSTANCE
364//Moved in ChildWindow class
365///// Win32BaseWindow *parent; //GWL_HWNDPARENT
366 ULONG dwIDMenu; //GWL_ID
367 ULONG userData; //GWL_USERDATA
368
369
370 HWND hwndLinkAfter;
371 DWORD flags;
372 DWORD contextHelpId;
373 DWORD hotkey;
374 LONG lastHitTestVal; //Last value returned by WM_NCHITTEST handler
375
376 HWND OS2HwndModalDialog;
377
378 ULONG fFirstShow:1,
379 fIsDialog:1,
380 fIsModalDialog:1,
381 fIsModalDialogOwner:1,
382 fInternalMsg:1, //Used to distinguish between messages
383 //sent by PM and those sent by apps
384 fParentChange:1,
385 fDestroyWindowCalled:1, //DestroyWindow was called for this window
386 fTaskList:1, //should be listed in PM tasklist or not
387 fXDefault:1,
388 fCXDefault:1,
389 fParentDC:1,
390 fComingToTop:1,
391 isUnicode:1,
392 fMinMaxChange:1, //set when switching between min/max/restored state
393 fVisibleRegionChanged:1, //set when visible region has changed -> erase background must be sent during next BeginPaint
394 fEraseBkgndFlag:1;
395
396 ULONG state;
397 HRGN hWindowRegion;
398 HRGN hClipRegion;
399
400 DWORD dwThreadId; //id of thread that created this window
401 DWORD dwProcessId; //id of process that created this window
402
403 Win32BaseWindow *owner;
404 HICON hIcon,hIconSm;
405
406 char *windowNameA;
407 WCHAR *windowNameW;
408
409 char *userWindowBytes;
410 ULONG nrUserWindowBytes;
411
412 RECT rectWindow; //relative to parent
413 RECT rectClient; //relative to frame
414WINDOWPLACEMENT windowpos;
415
416 PROPERTY *propertyList;
417
418 HANDLE hTaskList; //PM specific (switchentry handle)
419
420CREATESTRUCTA *tmpcs; //temporary pointer to CREATESTRUCT used in CreateWindowEx
421 ULONG sw; //set in CreateWindowExA, used in MsgCreate method
422
423SCROLLBAR_INFO *vertScrollInfo;
424SCROLLBAR_INFO *horzScrollInfo;
425
426Win32WndClass *windowClass;
427
428static GenericObject *windows;
429static CRITICAL_SECTION critsect;
430
431private:
432#ifndef OS2_INCLUDED
433 void GetMinMaxInfo(POINT *maxSize, POINT *maxPos, POINT *minTrack, POINT *maxTrack );
434 UINT MinMaximize(UINT cmd, LPRECT lpRect);
435 LONG HandleWindowPosChanging(WINDOWPOS *winpos);
436 LONG HandleNCActivate(WPARAM wParam);
437 VOID TrackMinMaxHelpBox(WORD wParam);
438 VOID TrackCloseButton(WORD wParam);
439 VOID TrackScrollBar(WPARAM wParam,POINT pt);
440 LONG HandleNCLButtonDown(WPARAM wParam,LPARAM lParam);
441 LONG HandleNCLButtonDblClk(WPARAM wParam,LPARAM lParam);
442 LONG HandleNCRButtonUp(WPARAM wParam,LPARAM lParam);
443 VOID AdjustRectOuter(LPRECT rect,BOOL menu);
444 VOID AdjustRectInner(LPRECT rect);
445 LONG HandleNCCalcSize(BOOL calcValidRects,RECT *winRect);
446 VOID GetInsideRect(RECT *rect);
447 VOID DrawFrame(HDC hdc,RECT *rect,BOOL dlgFrame,BOOL active);
448public:
449 LONG HandleNCHitTest(POINT pt);
450 BOOL GetSysPopupPos(RECT* rect);
451private:
452 BOOL DrawSysButton(HDC hdc,RECT *rect);
453 BOOL DrawGrayButton(HDC hdc,int x,int y);
454 VOID DrawCloseButton(HDC hdc,RECT *rect,BOOL down,BOOL bGrayed);
455 VOID DrawMaxButton(HDC hdc,RECT *rect,BOOL down,BOOL bGrayed);
456 VOID DrawMinButton(HDC hdc,RECT *rect,BOOL down,BOOL bGrayed);
457 VOID DrawContextHelpButton(HDC hdc,RECT *rect,BOOL down,BOOL bGrayed);
458 VOID DrawCaption(HDC hdc,RECT *rect,BOOL active);
459 VOID DoNCPaint(HRGN clip,BOOL suppress_menupaint);
460 LONG HandleNCPaint(HRGN clip);
461 LONG HandleSysCommand(WPARAM wParam, POINT *pt32);
462
463 LONG SendNCCalcSize(BOOL calcValidRect,
464 RECT *newWindowRect, RECT *oldWindowRect,
465 RECT *oldClientRect, WINDOWPOS *winpos,
466 RECT *newClientRect );
467
468#else
469friend BOOL OS2ToWinMsgTranslate(void *pThdb, QMSG *os2Msg, MSG *winMsg, BOOL isUnicode, BOOL fTranslateExtraMsgs);
470#endif
471
472public:
473 void SetFakeOpen32() { WinSetDAXData (OS2Hwnd, &fakeWinBase); }
474 void RemoveFakeOpen32() { WinSetDAXData (OS2Hwnd, NULL); }
475
476 fakeOpen32WinBaseClass fakeWinBase;
477
478 VOID AdjustMaximizedRect(LPRECT rect);
479 VOID AdjustTrackInfo(PPOINT minTrackSize,PPOINT maxTrackSize);
480
481 //Temporary hack for CS_CLASSDC style (do the same as for CS_OWNDC)
482#ifndef OS2_INCLUDED
483 BOOL isOwnDC() { return (windowClass && windowClass->getStyle() & (CS_OWNDC|CS_CLASSDC)); }
484#else
485 BOOL isOwnDC() { return (windowClass && windowClass->getStyle() & (CS_OWNDC_W|CS_CLASSDC_W)); }
486#endif
487
488 HDC getOwnDC() { return ownDC; }
489 void setOwnDC(HDC hdc) { ownDC = hdc; }
490protected:
491 HDC ownDC;
492
493public:
494 VOID setEraseBkgnd (BOOL erase) { fEraseBkgndFlag = erase; }
495 BOOL needsEraseBkgnd() { return fEraseBkgndFlag; }
496};
497
498#endif //__cplusplus
499
500#endif //__WIN32WNDBASE_H__
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