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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: window.h | |
3 | // Purpose: wxWindow class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_WINDOW_H_ | |
13 | #define _WX_WINDOW_H_ | |
14 | ||
15 | #ifdef __GNUG__ | |
16 | #pragma interface "window.h" | |
17 | #endif | |
18 | ||
19 | #include "wx/gdicmn.h" | |
20 | #include "wx/icon.h" | |
21 | #include "wx/cursor.h" | |
22 | #include "wx/pen.h" | |
23 | #include "wx/font.h" | |
24 | #include "wx/validate.h" | |
25 | #include "wx/event.h" | |
26 | #include "wx/string.h" | |
27 | #include "wx/list.h" | |
28 | #include "wx/region.h" | |
29 | #include "wx/accel.h" | |
30 | #include "wx/intl.h" | |
31 | ||
32 | #define wxKEY_SHIFT 1 | |
33 | #define wxKEY_CTRL 2 | |
34 | ||
35 | /* | |
36 | * Base class for frame, panel, canvas, panel items, dialog box. | |
37 | * | |
38 | */ | |
39 | ||
40 | /* | |
41 | * Event handler: windows have themselves as their event handlers | |
42 | * by default, but their event handlers could be set to another | |
43 | * object entirely. This separation can reduce the amount of | |
44 | * derivation required, and allow alteration of a window's functionality | |
45 | * (e.g. by a resource editor that temporarily switches event handlers). | |
46 | */ | |
47 | ||
48 | class WXDLLEXPORT wxWindow; | |
49 | class WXDLLEXPORT wxEvent; | |
50 | class WXDLLEXPORT wxCommandEvent; | |
51 | class WXDLLEXPORT wxKeyEvent; | |
52 | class WXDLLEXPORT wxControl; | |
53 | class WXDLLEXPORT wxCursor; | |
54 | class WXDLLEXPORT wxColourMap; | |
55 | class WXDLLEXPORT wxFont; | |
56 | class WXDLLEXPORT wxMenu; | |
57 | class WXDLLEXPORT wxRect; | |
58 | class WXDLLEXPORT wxBitmap; | |
59 | class WXDLLEXPORT wxSizer; | |
60 | class WXDLLEXPORT wxList; | |
61 | class WXDLLEXPORT wxLayoutConstraints; | |
62 | class WXDLLEXPORT wxMouseEvent; | |
63 | class WXDLLEXPORT wxButton; | |
64 | class WXDLLEXPORT wxColour; | |
65 | class WXDLLEXPORT wxBrush; | |
66 | class WXDLLEXPORT wxPen; | |
67 | class WXDLLEXPORT wxIcon; | |
68 | class WXDLLEXPORT wxDC; | |
69 | class WXDLLEXPORT wxValidator; | |
70 | ||
71 | #if wxUSE_DRAG_AND_DROP | |
72 | class WXDLLEXPORT wxDropTarget; | |
73 | #endif | |
74 | ||
75 | #if wxUSE_WX_RESOURCES | |
76 | class WXDLLEXPORT wxResourceTable; | |
77 | class WXDLLEXPORT wxItemResource; | |
78 | #endif | |
79 | ||
80 | WXDLLEXPORT_DATA(extern const char*) wxPanelNameStr; | |
81 | ||
82 | WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize; | |
83 | WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition; | |
84 | ||
85 | //----------------------------------------------------------------------------- | |
86 | // wxClientData | |
87 | //----------------------------------------------------------------------------- | |
88 | ||
89 | class wxClientData | |
90 | { | |
91 | public: | |
92 | wxClientData() { } | |
93 | virtual ~wxClientData() { } | |
94 | }; | |
95 | ||
96 | //----------------------------------------------------------------------------- | |
97 | // wxStringClientData | |
98 | //----------------------------------------------------------------------------- | |
99 | ||
100 | class wxStringClientData: public wxClientData | |
101 | { | |
102 | public: | |
103 | wxStringClientData() { } | |
104 | wxStringClientData( wxString &data ) { m_data = data; } | |
105 | void SetData( wxString &data ) { m_data = data; } | |
106 | wxString GetData() const { return m_data; } | |
107 | ||
108 | private: | |
109 | wxString m_data; | |
110 | }; | |
111 | ||
112 | class WXDLLEXPORT wxWindow : public wxEvtHandler | |
113 | { | |
114 | DECLARE_ABSTRACT_CLASS(wxWindow) | |
115 | ||
116 | friend class WXDLLEXPORT wxDC; | |
117 | friend class WXDLLEXPORT wxWindowDC; | |
118 | ||
119 | public: | |
120 | wxWindow(); | |
121 | wxWindow(wxWindow *parent, wxWindowID id, | |
122 | const wxPoint& pos = wxDefaultPosition, | |
123 | const wxSize& size = wxDefaultSize, | |
124 | long style = 0, | |
125 | const wxString& name = wxPanelNameStr) | |
126 | { | |
127 | m_children = new wxList; | |
128 | Create(parent, id, pos, size, style, name); | |
129 | } | |
130 | ||
131 | virtual ~wxWindow(); | |
132 | ||
133 | bool Create(wxWindow *parent, wxWindowID id, | |
134 | const wxPoint& pos = wxDefaultPosition, | |
135 | const wxSize& size = wxDefaultSize, | |
136 | long style = 0, | |
137 | const wxString& name = wxPanelNameStr); | |
138 | ||
139 | // Fit the window around the items | |
140 | virtual void Fit(); | |
141 | ||
142 | // Show or hide the window | |
143 | virtual bool Show(bool show); | |
144 | ||
145 | // Is the window shown? | |
146 | virtual bool IsShown() const; | |
147 | ||
148 | // Raise the window to the top of the Z order | |
149 | virtual void Raise(); | |
150 | ||
151 | // Lower the window to the bottom of the Z order | |
152 | virtual void Lower(); | |
153 | ||
154 | // Is the window enabled? | |
155 | virtual bool IsEnabled() const; | |
156 | ||
157 | // For compatibility | |
158 | bool Enabled() const { return IsEnabled(); } | |
159 | ||
160 | // Dialog support: override these and call | |
161 | // base class members to add functionality | |
162 | // that can't be done using validators. | |
163 | ||
164 | // Transfer values to controls. If returns FALSE, | |
165 | // it's an application error (pops up a dialog) | |
166 | virtual bool TransferDataToWindow(); | |
167 | ||
168 | // Transfer values from controls. If returns FALSE, | |
169 | // transfer failed: don't quit | |
170 | virtual bool TransferDataFromWindow(); | |
171 | ||
172 | // Validate controls. If returns FALSE, | |
173 | // validation failed: don't quit | |
174 | virtual bool Validate(); | |
175 | ||
176 | // Return code for dialogs | |
177 | inline void SetReturnCode(int retCode); | |
178 | inline int GetReturnCode(); | |
179 | ||
180 | // Set the cursor | |
181 | virtual void SetCursor(const wxCursor& cursor); | |
182 | virtual wxCursor *GetCursor() const { return (wxCursor *)& m_windowCursor; }; | |
183 | ||
184 | // Get the window with the focus | |
185 | static wxWindow *FindFocus(); | |
186 | ||
187 | // Get character size | |
188 | virtual int GetCharHeight() const; | |
189 | virtual int GetCharWidth() const; | |
190 | ||
191 | // moving/resizing | |
192 | // --------------- | |
193 | ||
194 | // set the window size and/or position | |
195 | void SetSize( int x, int y, int width, int height, | |
196 | int sizeFlags = wxSIZE_AUTO ) | |
197 | { DoSetSize(x, y, width, height, sizeFlags); } | |
198 | ||
199 | void SetSize( int width, int height ) | |
200 | { DoSetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); } | |
201 | ||
202 | void SetSize( const wxSize& size ) | |
203 | { SetSize( size.x, size.y); } | |
204 | ||
205 | void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO) | |
206 | { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); } | |
207 | ||
208 | void Move( int x, int y ) | |
209 | { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); } | |
210 | ||
211 | void Move(const wxPoint& pt) | |
212 | { Move(pt.x, pt.y); } | |
213 | ||
214 | // client size is the size of area available for subwindows | |
215 | void SetClientSize( int width, int height ) | |
216 | { DoSetClientSize(width, height); } | |
217 | ||
218 | void SetClientSize( const wxSize& size ) | |
219 | { DoSetClientSize(size.x, size.y); } | |
220 | ||
221 | void SetClientSize(const wxRect& rect) | |
222 | { SetClientSize( rect.width, rect.height ); } | |
223 | ||
224 | // get the window position and/or size | |
225 | virtual void GetPosition( int *x, int *y ) const; | |
226 | wxPoint GetPosition() const | |
227 | { | |
228 | int w, h; | |
229 | GetPosition(& w, & h); | |
230 | ||
231 | return wxPoint(w, h); | |
232 | } | |
233 | ||
234 | virtual void GetSize( int *width, int *height ) const; | |
235 | ||
236 | wxSize GetSize() const | |
237 | { | |
238 | int w, h; | |
239 | GetSize(& w, & h); | |
240 | return wxSize(w, h); | |
241 | } | |
242 | ||
243 | wxRect GetRect() const | |
244 | { | |
245 | int x, y, w, h; | |
246 | GetPosition(& x, & y); | |
247 | GetSize(& w, & h); | |
248 | ||
249 | return wxRect(x, y, w, h); | |
250 | } | |
251 | ||
252 | virtual void GetClientSize( int *width, int *height ) const; | |
253 | wxSize GetClientSize() const | |
254 | { | |
255 | int w, h; | |
256 | GetClientSize(& w, & h); | |
257 | return wxSize(w, h); | |
258 | } | |
259 | ||
260 | // Convert client to screen coordinates | |
261 | virtual void ClientToScreen(int *x, int *y) const; | |
262 | virtual wxPoint ClientToScreen(const wxPoint& pt) const | |
263 | { int x = pt.x; int y = pt.y; ClientToScreen(& x, & y); return wxPoint(x, y); } | |
264 | ||
265 | // Convert screen to client coordinates | |
266 | virtual void ScreenToClient(int *x, int *y) const; | |
267 | virtual wxPoint ScreenToClient(const wxPoint& pt) const | |
268 | { int x = pt.x; int y = pt.y; ScreenToClient(& x, & y); return wxPoint(x, y); } | |
269 | ||
270 | // Set the focus to this window | |
271 | virtual void SetFocus(); | |
272 | ||
273 | // Capture/release mouse | |
274 | virtual void CaptureMouse(); | |
275 | virtual void ReleaseMouse(); | |
276 | ||
277 | // Enable or disable the window | |
278 | virtual void Enable(bool enable); | |
279 | ||
280 | #if wxUSE_DRAG_AND_DROP | |
281 | // Associate a drop target with this window (if the window already had a drop | |
282 | // target, it's deleted!) and return the current drop target (may be NULL). | |
283 | void SetDropTarget(wxDropTarget *pDropTarget); | |
284 | wxDropTarget *GetDropTarget() const { return m_pDropTarget; } | |
285 | #endif | |
286 | ||
287 | // Accept files for dragging | |
288 | virtual void DragAcceptFiles(bool accept); | |
289 | ||
290 | // tooltips | |
291 | // create a tooltip with this text | |
292 | void SetToolTip(const wxString& tip); | |
293 | ||
294 | // TODO | |
295 | #if wxUSE_TOOLTIPS | |
296 | // pointer may be NULL to remove the tooltip | |
297 | void SetToolTip(wxToolTip *tooltip); | |
298 | // get the current tooltip (may return NULL if none) | |
299 | wxToolTip* GetToolTip() const { return m_tooltip; } | |
300 | #endif | |
301 | ||
302 | // Update region access | |
303 | virtual wxRegion& GetUpdateRegion() const; | |
304 | virtual bool IsExposed(int x, int y, int w, int h) const; | |
305 | virtual bool IsExposed(const wxPoint& pt) const; | |
306 | virtual bool IsExposed(const wxRect& rect) const; | |
307 | ||
308 | // Set/get the window title | |
309 | virtual void SetTitle(const wxString& WXUNUSED(title)) {}; | |
310 | virtual wxString GetTitle() const { return wxString(""); }; | |
311 | // Most windows have the concept of a label; for frames, this is the | |
312 | // title; for items, this is the label or button text. | |
313 | virtual wxString GetLabel() const { return GetTitle(); } | |
314 | ||
315 | // Set/get the window name (used for resource setting in X) | |
316 | virtual wxString GetName() const; | |
317 | virtual void SetName(const wxString& name); | |
318 | ||
319 | // Centre the window | |
320 | virtual void Centre(int direction) ; | |
321 | void Center(int direction = wxHORIZONTAL) { Centre(direction); } | |
322 | ||
323 | // Popup a menu | |
324 | virtual bool PopupMenu(wxMenu *menu, int x, int y); | |
325 | ||
326 | // Send the window a refresh event | |
327 | virtual void Refresh(bool eraseBack = TRUE, const wxRect *rect = NULL); | |
328 | ||
329 | // New functions that will replace the above. | |
330 | virtual void SetScrollbar(int orient, int pos, int thumbVisible, | |
331 | int range, bool refresh = TRUE); | |
332 | ||
333 | // Helper functions for Motif | |
334 | void CreateScrollbar(int orientation); | |
335 | void DestroyScrollbar(int orientation); | |
336 | ||
337 | virtual void SetScrollPos(int orient, int pos, bool refresh = TRUE); | |
338 | virtual int GetScrollPos(int orient) const; | |
339 | virtual int GetScrollRange(int orient) const; | |
340 | virtual int GetScrollThumb(int orient) const; | |
341 | ||
342 | virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL); | |
343 | ||
344 | // Caret manipulation | |
345 | virtual void CreateCaret(int w, int h); | |
346 | virtual void CreateCaret(const wxBitmap *bitmap); | |
347 | virtual void DestroyCaret(); | |
348 | virtual void ShowCaret(bool show); | |
349 | virtual void SetCaretPos(int x, int y); | |
350 | virtual void GetCaretPos(int *x, int *y) const; | |
351 | ||
352 | // Tell window how much it can be sized | |
353 | virtual void SetSizeHints(int minW = -1, int minH = -1, int maxW = -1, int maxH = -1, int incW = -1, int incH = -1); | |
354 | ||
355 | // Set/get the window's identifier | |
356 | inline int GetId() const; | |
357 | inline void SetId(int id); | |
358 | ||
359 | virtual void SetAcceleratorTable(const wxAcceleratorTable& accel); | |
360 | virtual wxAcceleratorTable& GetAcceleratorTable() const { return (wxAcceleratorTable&) m_acceleratorTable; } | |
361 | ||
362 | // Make the window modal (all other windows unresponsive) | |
363 | virtual void MakeModal(bool modal); | |
364 | ||
365 | // Get the private handle (platform-dependent) | |
366 | inline void *GetHandle() const; | |
367 | ||
368 | // Set/get the window's relatives | |
369 | inline wxWindow *GetParent() const; | |
370 | inline void SetParent(wxWindow *p) ; | |
371 | inline wxWindow *GetGrandParent() const; | |
372 | inline wxList& GetChildren() const; | |
373 | // Reparents this window to have the new parent. | |
374 | virtual bool Reparent(wxWindow* parent); | |
375 | ||
376 | // Set/get the window's font | |
377 | virtual void SetFont(const wxFont& f); | |
378 | virtual wxFont& GetFont() const; | |
379 | ||
380 | // Set/get the window's validator | |
381 | void SetValidator(const wxValidator& validator); | |
382 | inline wxValidator *GetValidator() const; | |
383 | ||
384 | virtual void SetClientObject( wxClientData *data ); | |
385 | virtual wxClientData *GetClientObject(); | |
386 | ||
387 | virtual void SetClientData( void *data ); | |
388 | virtual void *GetClientData(); | |
389 | ||
390 | // Set/get the window's style | |
391 | inline void SetWindowStyleFlag(long flag); | |
392 | inline long GetWindowStyleFlag() const; | |
393 | ||
394 | // Handle a control command | |
395 | virtual void OnCommand(wxWindow& win, wxCommandEvent& event); | |
396 | ||
397 | // Set/get event handler | |
398 | inline void SetEventHandler(wxEvtHandler *handler); | |
399 | inline wxEvtHandler *GetEventHandler() const; | |
400 | ||
401 | // Push/pop event handler (i.e. allow a chain of event handlers | |
402 | // be searched) | |
403 | void PushEventHandler(wxEvtHandler *handler) ; | |
404 | wxEvtHandler *PopEventHandler(bool deleteHandler = FALSE) ; | |
405 | ||
406 | // Close the window by calling OnClose, posting a deletion | |
407 | virtual bool Close(bool force = FALSE); | |
408 | ||
409 | // Destroy the window (delayed, if a managed window) | |
410 | virtual bool Destroy() ; | |
411 | ||
412 | // Mode for telling default OnSize members to | |
413 | // call Layout(), if not using Sizers, just top-down constraints | |
414 | inline void SetAutoLayout(bool a); | |
415 | inline bool GetAutoLayout() const; | |
416 | ||
417 | // Set/get constraints | |
418 | inline wxLayoutConstraints *GetConstraints() const; | |
419 | void SetConstraints(wxLayoutConstraints *c); | |
420 | ||
421 | // Set/get window background colour | |
422 | virtual void SetBackgroundColour(const wxColour& col); | |
423 | virtual wxColour GetBackgroundColour() const; | |
424 | ||
425 | // Set/get window foreground colour | |
426 | virtual void SetForegroundColour(const wxColour& col); | |
427 | virtual wxColour GetForegroundColour() const; | |
428 | ||
429 | // Get the default button, if there is one | |
430 | virtual wxButton *GetDefaultItem() const; | |
431 | virtual void SetDefaultItem(wxButton *but); | |
432 | ||
433 | // Override to define new behaviour for default action (e.g. double clicking | |
434 | // on a listbox) | |
435 | virtual void OnDefaultAction(wxControl *initiatingItem); | |
436 | ||
437 | // Resource loading | |
438 | #if wxUSE_WX_RESOURCES | |
439 | virtual bool LoadFromResource(wxWindow *parent, const wxString& resourceName, const wxResourceTable *table = NULL); | |
440 | virtual wxControl *CreateItem(const wxItemResource* childResource, const wxItemResource* parentResource, | |
441 | const wxResourceTable *table = (const wxResourceTable *) NULL); | |
442 | #endif | |
443 | ||
444 | virtual void GetTextExtent(const wxString& string, int *x, int *y, | |
445 | int *descent = NULL, | |
446 | int *externalLeading = NULL, | |
447 | const wxFont *theFont = NULL, bool use16 = FALSE) const; | |
448 | ||
449 | // Is the window retained? | |
450 | inline bool IsRetained() const; | |
451 | ||
452 | // Warp the pointer the given position | |
453 | virtual void WarpPointer(int x_pos, int y_pos) ; | |
454 | ||
455 | // Clear the window | |
456 | virtual void Clear(); | |
457 | ||
458 | // Find a window by id or name | |
459 | virtual wxWindow *FindWindow(long id); | |
460 | virtual wxWindow *FindWindow(const wxString& name); | |
461 | ||
462 | // Constraint operations | |
463 | bool Layout(); | |
464 | void SetSizer(wxSizer *sizer); // Adds sizer child to this window | |
465 | inline wxSizer *GetSizer() const ; | |
466 | inline wxWindow *GetSizerParent() const ; | |
467 | inline void SetSizerParent(wxWindow *win); | |
468 | ||
469 | // Do Update UI processing for controls | |
470 | void UpdateWindowUI(); | |
471 | ||
472 | void OnEraseBackground(wxEraseEvent& event); | |
473 | void OnChar(wxKeyEvent& event); | |
474 | void OnKeyDown(wxKeyEvent& event); | |
475 | void OnKeyUp(wxKeyEvent& event); | |
476 | void OnPaint(wxPaintEvent& event); | |
477 | void OnIdle(wxIdleEvent& event); | |
478 | ||
479 | // Does this window want to accept keyboard focus? | |
480 | virtual bool AcceptsFocus() const; | |
481 | ||
482 | virtual void PrepareDC( wxDC & WXUNUSED(dc) ) {}; | |
483 | ||
484 | ||
485 | public: | |
486 | //////////////////////////////////////////////////////////////////////// | |
487 | //// IMPLEMENTATION | |
488 | ||
489 | // For implementation purposes - sometimes decorations make the client area | |
490 | // smaller | |
491 | virtual wxPoint GetClientAreaOrigin() const; | |
492 | ||
493 | // Makes an adjustment to the window position (for example, a frame that has | |
494 | // a toolbar that it manages itself). | |
495 | virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags); | |
496 | ||
497 | // Executes the default message | |
498 | virtual long Default(); | |
499 | ||
500 | /* TODO: you may need something like this | |
501 | // Determine whether 3D effects are wanted | |
502 | virtual WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D); | |
503 | */ | |
504 | ||
505 | virtual void AddChild(wxWindow *child); // Adds reference to the child object | |
506 | virtual void RemoveChild(wxWindow *child); // Removes reference to child | |
507 | // (but doesn't delete the child object) | |
508 | virtual void DestroyChildren(); // Removes and destroys all children | |
509 | ||
510 | bool IsBeingDeleted() const { return FALSE; } // TODO: Should probably eliminate this | |
511 | ||
512 | // Constraint implementation | |
513 | void UnsetConstraints(wxLayoutConstraints *c); | |
514 | inline wxList *GetConstraintsInvolvedIn() const ; | |
515 | // Back-pointer to other windows we're involved with, so if we delete | |
516 | // this window, we must delete any constraints we're involved with. | |
517 | void AddConstraintReference(wxWindow *otherWin); | |
518 | void RemoveConstraintReference(wxWindow *otherWin); | |
519 | void DeleteRelatedConstraints(); | |
520 | ||
521 | virtual void ResetConstraints(); | |
522 | virtual void SetConstraintSizes(bool recurse = TRUE); | |
523 | virtual bool LayoutPhase1(int *noChanges); | |
524 | virtual bool LayoutPhase2(int *noChanges); | |
525 | virtual bool DoPhase(int); | |
526 | // Transforms from sizer coordinate space to actual | |
527 | // parent coordinate space | |
528 | virtual void TransformSizerToActual(int *x, int *y) const ; | |
529 | ||
530 | // Set size with transformation to actual coordinates if nec. | |
531 | virtual void SizerSetSize(int x, int y, int w, int h); | |
532 | virtual void SizerMove(int x, int y); | |
533 | ||
534 | // Only set/get the size/position of the constraint (if any) | |
535 | virtual void SetSizeConstraint(int x, int y, int w, int h); | |
536 | virtual void MoveConstraint(int x, int y); | |
537 | virtual void GetSizeConstraint(int *w, int *h) const ; | |
538 | virtual void GetClientSizeConstraint(int *w, int *h) const ; | |
539 | virtual void GetPositionConstraint(int *x, int *y) const ; | |
540 | ||
541 | // Dialog units translations. Implemented in wincmn.cpp. | |
542 | wxPoint ConvertPixelsToDialog(const wxPoint& pt) ; | |
543 | wxPoint ConvertDialogToPixels(const wxPoint& pt) ; | |
544 | inline wxSize ConvertPixelsToDialog(const wxSize& sz) | |
545 | { wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); } | |
546 | inline wxSize ConvertDialogToPixels(const wxSize& sz) | |
547 | { wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); } | |
548 | ||
549 | wxObject *GetChild(int number) const ; | |
550 | ||
551 | // Generates a new id for controls | |
552 | static int NewControlId(); | |
553 | ||
554 | // Responds to colour changes: passes event on to children. | |
555 | void OnSysColourChanged(wxSysColourChangedEvent& event); | |
556 | ||
557 | // Transfers data to any child controls | |
558 | void OnInitDialog(wxInitDialogEvent& event); | |
559 | ||
560 | // Sends an OnInitDialog event, which in turns transfers data to | |
561 | // to the window via validators. | |
562 | virtual void InitDialog(); | |
563 | ||
564 | /// Motif-specific | |
565 | ||
566 | void ClearUpdateRects(); | |
567 | void CanvasGetSize(int* width, int* height) const; // If have drawing area | |
568 | void CanvasGetClientSize(int *width, int *height) const; | |
569 | void CanvasGetPosition(int *x, int *y) const; // If have drawing area | |
570 | void CanvasSetClientSize(int width, int size); | |
571 | void CanvasSetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO); | |
572 | ||
573 | // Gives window a chance to do something in response to a size | |
574 | // message, e.g. arrange status bar, toolbar etc. | |
575 | virtual bool PreResize() { return TRUE; } | |
576 | ||
577 | // Get main widget for this window, e.g. a text widget | |
578 | virtual WXWidget GetMainWidget() const; | |
579 | // Get the widget that corresponds to the label (for font setting, label setting etc.) | |
580 | virtual WXWidget GetLabelWidget() const { return GetMainWidget(); } | |
581 | // Get the client widget for this window (something we can | |
582 | // create other windows on) | |
583 | virtual WXWidget GetClientWidget() const; | |
584 | // Get the top widget for this window, e.g. the scrolled widget parent | |
585 | // of a multi-line text widget. Top means, top in the window hierarchy | |
586 | // that implements this window. | |
587 | virtual WXWidget GetTopWidget() const; | |
588 | virtual void SetMainWidget(WXWidget w) { m_mainWidget = w; } | |
589 | bool CanAddEventHandler() const { return m_canAddEventHandler; } | |
590 | void SetCanAddEventHandler(bool flag) { m_canAddEventHandler = flag; } | |
591 | ||
592 | // Get the underlying X window and display | |
593 | virtual WXWindow GetXWindow() const; | |
594 | virtual WXDisplay *GetXDisplay() const; | |
595 | ||
596 | virtual WXPixmap GetBackingPixmap() const { return m_backingPixmap; } | |
597 | int GetPixmapWidth() const { return m_pixmapWidth; } | |
598 | int GetPixmapHeight() const { return m_pixmapHeight; } | |
599 | ||
600 | // Change properties | |
601 | virtual void ChangeFont(bool keepOriginalSize = TRUE); // Change to the current font (often overridden) | |
602 | virtual void DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour); | |
603 | virtual void DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE); | |
604 | // These to be overridden as needed (may change several widgets) | |
605 | virtual void ChangeBackgroundColour(); // Change background and foreground colour using current | |
606 | // background colour setting (Motif generates | |
607 | // foreground based on background) | |
608 | virtual void ChangeForegroundColour(); // Change foreground colour using current | |
609 | // foreground colour setting | |
610 | ||
611 | // Adds the widget to the hash table and adds event handlers. | |
612 | bool AttachWidget (wxWindow* parent, WXWidget mainWidget, | |
613 | WXWidget formWidget, int x, int y, int width, int height); | |
614 | bool DetachWidget(WXWidget widget); | |
615 | ||
616 | // Generates a paint event | |
617 | virtual void DoPaint(); | |
618 | ||
619 | // How to implement accelerators. If we find a key event, | |
620 | // translate to wxWindows wxKeyEvent form. Find a widget for the window. | |
621 | // Now find a wxWindow for the widget. If there isn't one, go up the widget hierarchy | |
622 | // trying to find one. Once one is found, call ProcessAccelerator for the | |
623 | // window. If it returns TRUE (processed the event), skip the X event, | |
624 | // otherwise carry on up the wxWindows window hierarchy calling ProcessAccelerator. | |
625 | // If all return FALSE, process the X event as normal. | |
626 | // Eventually we can implement OnCharHook the same way, but concentrate on accelerators | |
627 | // for now. | |
628 | // ProcessAccelerator must look at the current accelerator table, and try to find | |
629 | // what menu id or window (beneath it) has this ID. Then construct an appropriate command | |
630 | // event and send it. | |
631 | virtual bool ProcessAccelerator(wxKeyEvent& event); | |
632 | ||
633 | //////////////////////////////////////////////////////////////////////// | |
634 | //// PROTECTED DATA | |
635 | protected: | |
636 | int m_windowId; | |
637 | long m_windowStyle; // Store the window's style | |
638 | wxEvtHandler * m_windowEventHandler; // Usually is 'this' | |
639 | wxLayoutConstraints * m_constraints; // Constraints for this window | |
640 | wxList * m_constraintsInvolvedIn; // List of constraints we're involved in | |
641 | wxSizer * m_windowSizer; // Window's top-level sizer (if any) | |
642 | wxWindow * m_sizerParent; // Window's parent sizer (if any) | |
643 | bool m_autoLayout; // Whether to call Layout() in OnSize | |
644 | wxWindow * m_windowParent; // Each window always knows its parent | |
645 | wxValidator * m_windowValidator; | |
646 | int m_minSizeX; | |
647 | int m_minSizeY; | |
648 | int m_maxSizeX; | |
649 | int m_maxSizeY; | |
650 | ||
651 | // Caret data | |
652 | int m_caretWidth; | |
653 | int m_caretHeight; | |
654 | bool m_caretEnabled; | |
655 | bool m_caretShown; | |
656 | wxFont m_windowFont; // Window's font | |
657 | wxCursor m_windowCursor; // Window's cursor | |
658 | wxString m_windowName; // Window name | |
659 | ||
660 | wxButton * m_defaultItem; | |
661 | ||
662 | wxColour m_backgroundColour ; | |
663 | wxColour m_foregroundColour ; | |
664 | wxAcceleratorTable m_acceleratorTable; | |
665 | wxClientData* m_clientObject; | |
666 | void* m_clientData; | |
667 | ||
668 | #if wxUSE_DRAG_AND_DROP | |
669 | wxDropTarget *m_pDropTarget; // the current drop target or NULL | |
670 | #endif //USE_DRAG_AND_DROP | |
671 | ||
672 | public: | |
673 | wxRegion m_updateRegion; | |
674 | wxList * m_children; // Window's children | |
675 | int m_returnCode; | |
676 | ||
677 | public: | |
678 | /// Motif-specific | |
679 | bool m_needsRefresh; // Do we need to repaint the backing store? | |
680 | bool m_canAddEventHandler; | |
681 | bool m_button1Pressed; | |
682 | bool m_button2Pressed; | |
683 | bool m_button3Pressed; | |
684 | // For double-click detection | |
685 | long m_lastTS; // last timestamp | |
686 | int m_lastButton; // last pressed button | |
687 | wxList m_updateRects; // List of wxRects representing damaged region | |
688 | bool m_isShown; | |
689 | protected: | |
690 | WXWidget m_mainWidget; | |
691 | WXWidget m_hScrollBar; | |
692 | WXWidget m_vScrollBar; | |
693 | WXWidget m_borderWidget; | |
694 | WXWidget m_scrolledWindow; | |
695 | WXWidget m_drawingArea; | |
696 | bool m_winCaptured; | |
697 | bool m_hScroll; | |
698 | bool m_vScroll; | |
699 | WXPixmap m_backingPixmap; | |
700 | int m_pixmapWidth; | |
701 | int m_pixmapHeight; | |
702 | int m_pixmapOffsetX; | |
703 | int m_pixmapOffsetY; | |
704 | int m_scrollPosX; // Store the last scroll pos, | |
705 | int m_scrollPosY; // since in wxWin the pos isn't | |
706 | // set automatically by system | |
707 | ||
708 | // this is the virtual function to be overriden in any derived class which | |
709 | // wants to change how SetSize() or Move() works - it is called by all | |
710 | // versions of these functions in the base class | |
711 | virtual void DoSetSize(int x, int y, | |
712 | int width, int height, | |
713 | int sizeFlags = wxSIZE_AUTO); | |
714 | ||
715 | // same as DoSetSize() for the client size | |
716 | virtual void DoSetClientSize(int width, int height); | |
717 | ||
718 | private: | |
719 | DECLARE_EVENT_TABLE() | |
720 | }; | |
721 | ||
722 | //////////////////////////////////////////////////////////////////////// | |
723 | //// INLINES | |
724 | ||
725 | inline void *wxWindow::GetHandle() const { return (void *)NULL; } | |
726 | inline int wxWindow::GetId() const { return m_windowId; } | |
727 | inline void wxWindow::SetId(int id) { m_windowId = id; } | |
728 | inline wxWindow *wxWindow::GetParent() const { return m_windowParent; } | |
729 | inline void wxWindow::SetParent(wxWindow *p) { m_windowParent = p; } | |
730 | inline wxWindow *wxWindow::GetGrandParent() const { return (m_windowParent ? m_windowParent->m_windowParent : (wxWindow*) NULL); } | |
731 | inline wxList& wxWindow::GetChildren() const { return (wxList&) * m_children; } | |
732 | inline wxFont& wxWindow::GetFont() const { return (wxFont&) m_windowFont; } | |
733 | inline wxString wxWindow::GetName() const { return m_windowName; } | |
734 | inline void wxWindow::SetName(const wxString& name) { m_windowName = name; } | |
735 | inline long wxWindow::GetWindowStyleFlag() const { return m_windowStyle; } | |
736 | inline void wxWindow::SetWindowStyleFlag(long flag) { m_windowStyle = flag; } | |
737 | inline void wxWindow::SetEventHandler(wxEvtHandler *handler) { m_windowEventHandler = handler; } | |
738 | inline wxEvtHandler *wxWindow::GetEventHandler() const { return m_windowEventHandler; } | |
739 | inline void wxWindow::SetAutoLayout(bool a) { m_autoLayout = a; } | |
740 | inline bool wxWindow::GetAutoLayout() const { return m_autoLayout; } | |
741 | inline wxLayoutConstraints *wxWindow::GetConstraints() const { return m_constraints; } | |
742 | inline wxColour wxWindow::GetBackgroundColour() const { return m_backgroundColour; }; | |
743 | inline wxColour wxWindow::GetForegroundColour() const { return m_foregroundColour; }; | |
744 | ||
745 | inline wxButton *wxWindow::GetDefaultItem() const { return m_defaultItem; } | |
746 | inline void wxWindow::SetDefaultItem(wxButton *but) { m_defaultItem = but; } | |
747 | inline bool wxWindow::IsRetained() const { return ((m_windowStyle & wxRETAINED) == wxRETAINED); } | |
748 | ||
749 | inline wxList *wxWindow::GetConstraintsInvolvedIn() const { return m_constraintsInvolvedIn; } | |
750 | inline wxSizer *wxWindow::GetSizer() const { return m_windowSizer; } | |
751 | inline wxWindow *wxWindow::GetSizerParent() const { return m_sizerParent; } | |
752 | inline void wxWindow::SetSizerParent(wxWindow *win) { m_sizerParent = win; } | |
753 | inline wxValidator *wxWindow::GetValidator() const { return m_windowValidator; } | |
754 | inline void wxWindow::SetReturnCode(int retCode) { m_returnCode = retCode; } | |
755 | inline int wxWindow::GetReturnCode() { return m_returnCode; } | |
756 | ||
757 | // Get the active window. | |
758 | wxWindow* WXDLLEXPORT wxGetActiveWindow(); | |
759 | ||
760 | WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; | |
761 | ||
762 | // A little class to switch off size optimization while an instance of the object | |
763 | // exists | |
764 | class WXDLLEXPORT wxNoOptimize: public wxObject | |
765 | { | |
766 | public: | |
767 | wxNoOptimize(); | |
768 | ~wxNoOptimize(); | |
769 | ||
770 | static bool CanOptimize(); | |
771 | ||
772 | protected: | |
773 | static int m_count; | |
774 | }; | |
775 | ||
776 | #endif | |
777 | // _WX_WINDOW_H_ |