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[wxWidgets.git] / include / wx / motif / window.h
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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
34636400 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_WINDOW_H_
13#define _WX_WINDOW_H_
14
15#ifdef __GNUG__
34636400 16 #pragma interface "window.h"
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17#endif
18
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19// ----------------------------------------------------------------------------
20// A list of rectangles type used by wxWindow
21// ----------------------------------------------------------------------------
22
23WX_DECLARE_LIST(wxRect, wxRectList);
24
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25// ----------------------------------------------------------------------------
26// wxWindow class for Motif - see also wxWindowBase
27// ----------------------------------------------------------------------------
9b6dbb09 28
34636400 29class wxWindow : public wxWindowBase
9b6dbb09 30{
34636400 31DECLARE_DYNAMIC_CLASS(wxWindow)
9b6dbb09 32
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33friend class WXDLLEXPORT wxDC;
34friend class WXDLLEXPORT wxWindowDC;
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35
36public:
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37 wxWindow() { Init(); }
38
39 wxWindow(wxWindow *parent,
40 wxWindowID id,
41 const wxPoint& pos = wxDefaultPosition,
42 const wxSize& size = wxDefaultSize,
43 long style = 0,
44 const wxString& name = wxPanelNameStr)
bfc6fde4 45 {
34636400 46 Init();
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47 Create(parent, id, pos, size, style, name);
48 }
49
50 virtual ~wxWindow();
51
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52 bool Create(wxWindow *parent,
53 wxWindowID id,
54 const wxPoint& pos = wxDefaultPosition,
55 const wxSize& size = wxDefaultSize,
56 long style = 0,
57 const wxString& name = wxPanelNameStr);
bfc6fde4 58
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59 // implement base class pure virtuals
60 virtual void SetTitle( const wxString& title);
61 virtual wxString GetTitle() const;
bfc6fde4 62
bfc6fde4 63 virtual void Raise();
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64 virtual void Lower();
65
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66 virtual bool Show( bool show = TRUE );
67 virtual bool Enable( bool enable = TRUE );
bfc6fde4 68
34636400 69 virtual void SetFocus();
bfc6fde4 70
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71 virtual void WarpPointer(int x, int y);
72 virtual void CaptureMouse();
73 virtual void ReleaseMouse();
bfc6fde4 74
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75 virtual void Refresh( bool eraseBackground = TRUE,
76 const wxRect *rect = (const wxRect *) NULL );
77 virtual void Clear();
bfc6fde4 78
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79 virtual bool SetBackgroundColour( const wxColour &colour );
80 virtual bool SetForegroundColour( const wxColour &colour );
81
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82 virtual bool SetCursor( const wxCursor &cursor );
83 virtual bool SetFont( const wxFont &font );
bfc6fde4 84
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85 virtual int GetCharHeight() const;
86 virtual int GetCharWidth() const;
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87 virtual void GetTextExtent(const wxString& string,
88 int *x, int *y,
89 int *descent = (int *) NULL,
90 int *externalLeading = (int *) NULL,
91 const wxFont *theFont = (const wxFont *) NULL)
92 const;
93
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94 virtual void SetScrollbar( int orient, int pos, int thumbVisible,
95 int range, bool refresh = TRUE );
96 virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
97 virtual int GetScrollPos( int orient ) const;
98 virtual int GetScrollThumb( int orient ) const;
99 virtual int GetScrollRange( int orient ) const;
100 virtual void ScrollWindow( int dx, int dy,
101 const wxRect* rect = (wxRect *) NULL );
9b6dbb09 102
af0bb3b1 103 virtual void SetSizeHints(int minW, int minH,
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104 int maxW = -1, int maxH = -1,
105 int incW = -1, int incH = -1);
47d67540 106#if wxUSE_DRAG_AND_DROP
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107 virtual void SetDropTarget( wxDropTarget *dropTarget );
108#endif // wxUSE_DRAG_AND_DROP
9b6dbb09 109
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110 // Accept files for dragging
111 virtual void DragAcceptFiles(bool accept);
9b6dbb09 112
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113 // Get the unique identifier of a window
114 virtual WXWidget GetHandle() const { return GetMainWidget(); }
115
116 // implementation from now on
117 // --------------------------
118
119 // accessors
120 // ---------
121
122 // Get main widget for this window, e.g. a text widget
123 virtual WXWidget GetMainWidget() const;
124 // Get the widget that corresponds to the label (for font setting, label setting etc.)
125 virtual WXWidget GetLabelWidget() const;
126 // Get the client widget for this window (something we can create other
127 // windows on)
128 virtual WXWidget GetClientWidget() const;
129 // Get the top widget for this window, e.g. the scrolled widget parent of a
130 // multi-line text widget. Top means, top in the window hierarchy that
131 // implements this window.
132 virtual WXWidget GetTopWidget() const;
133
134 // Get the underlying X window and display
135 WXWindow GetXWindow() const;
136 WXDisplay *GetXDisplay() const;
137
138 // called from Motif callbacks - and should only be called from there
139
140 void SetButton1(bool pressed) { m_button1Pressed = pressed; }
141 void SetButton2(bool pressed) { m_button2Pressed = pressed; }
142 void SetButton3(bool pressed) { m_button3Pressed = pressed; }
143
144 void SetLastClick(int button, long timestamp)
145 { m_lastButton = button; m_lastTS = timestamp; }
146
147 int GetLastClickedButton() const { return m_lastButton; }
148 long GetLastClickTime() const { return m_lastTS; }
149
150 // Gives window a chance to do something in response to a size message, e.g.
151 // arrange status bar, toolbar etc.
152 virtual bool PreResize();
153
154 // Generates a paint event
155 virtual void DoPaint();
156
157 // update rectangle/region manipulation
158 // (for wxWindowDC and Motif callbacks only)
159 // -----------------------------------------
160
161 // read/write access to the update rect list
162 const wxRectList& GetUpdateRects() const { return m_updateRects; }
163
164 // Adds a recangle to the updates list
165 void AddUpdateRect(int x, int y, int w, int h)
166 { m_updateRects.Append(new wxRect(x, y, w, h)); }
167
168 // Empties the m_updateRects list
169 void ClearUpdateRects();
170
171 void ClearUpdateRegion() { m_updateRegion.Clear(); }
172 void SetUpdateRegion(const wxRegion& region) { m_updateRegion = region; }
173
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174 // sets the fore/background colour for the given widget
175 static void DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour);
176 static void DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE);
177
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178protected:
179 // event handlers (not virtual by design)
bfc6fde4 180 void OnIdle(wxIdleEvent& event);
9b6dbb09 181
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182 // For implementation purposes - sometimes decorations make the client area
183 // smaller
184 virtual wxPoint GetClientAreaOrigin() const;
185
186 // Makes an adjustment to the window position (for example, a frame that has
187 // a toolbar that it manages itself).
188 virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags);
189
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190 wxWindow *GetChild(int number) const
191 { return GetChildren().Item(number)->GetData(); }
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192
193 // Responds to colour changes: passes event on to children.
194 void OnSysColourChanged(wxSysColourChangedEvent& event);
195
34636400 196 // Motif-specific
bfc6fde4 197
34636400 198 // CanvasXXXSiize functions
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199 void CanvasGetSize(int* width, int* height) const; // If have drawing area
200 void CanvasGetClientSize(int *width, int *height) const;
201 void CanvasGetPosition(int *x, int *y) const; // If have drawing area
202 void CanvasSetClientSize(int width, int size);
203 void CanvasSetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO);
204
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205 void SetMainWidget(WXWidget w) { m_mainWidget = w; }
206
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207 bool CanAddEventHandler() const { return m_canAddEventHandler; }
208 void SetCanAddEventHandler(bool flag) { m_canAddEventHandler = flag; }
209
34636400 210 WXPixmap GetBackingPixmap() const { return m_backingPixmap; }
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211 int GetPixmapWidth() const { return m_pixmapWidth; }
212 int GetPixmapHeight() const { return m_pixmapHeight; }
213
da175b2c 214public:
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215 // Change properties
216 virtual void ChangeFont(bool keepOriginalSize = TRUE); // Change to the current font (often overridden)
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217
218 // Change background and foreground colour using current background colour
219 // setting (Motif generates foreground based on background)
220 virtual void ChangeBackgroundColour();
221 // Change foreground colour using current foreground colour setting
222 virtual void ChangeForegroundColour();
bfc6fde4 223
da175b2c 224protected:
bfc6fde4 225 // Adds the widget to the hash table and adds event handlers.
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226 bool AttachWidget(wxWindow* parent, WXWidget mainWidget,
227 WXWidget formWidget, int x, int y, int width, int height);
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228 bool DetachWidget(WXWidget widget);
229
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230 // How to implement accelerators. If we find a key event, translate to
231 // wxWindows wxKeyEvent form. Find a widget for the window. Now find a
232 // wxWindow for the widget. If there isn't one, go up the widget hierarchy
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233 // trying to find one. Once one is found, call ProcessAccelerator for the
234 // window. If it returns TRUE (processed the event), skip the X event,
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235 // otherwise carry on up the wxWindows window hierarchy calling
236 // ProcessAccelerator. If all return FALSE, process the X event as normal.
237 // Eventually we can implement OnCharHook the same way, but concentrate on
238 // accelerators for now. ProcessAccelerator must look at the current
239 // accelerator table, and try to find what menu id or window (beneath it)
240 // has this ID. Then construct an appropriate command
bfc6fde4 241 // event and send it.
d75638f8 242public:
bfc6fde4 243 virtual bool ProcessAccelerator(wxKeyEvent& event);
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244
245protected:
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246 // unmanage and destroy an X widget f it's !NULL (passing NULL is ok)
247 void UnmanageAndDestroy(WXWidget widget);
9b6dbb09 248
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249 // map or unmap an X widget (passing NULL is ok), returns TRUE if widget was
250 // mapped/unmapped
251 bool MapOrUnmap(WXWidget widget, bool map);
9b6dbb09 252
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253 // scrolling stuff
254 // ---------------
255
256 // create/destroy window scrollbars
257 void CreateScrollbar(wxOrientation orientation);
258 void DestroyScrollbar(wxOrientation orientation);
259
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260 // get either hor or vert scrollbar widget
261 WXWidget GetScrollbar(wxOrientation orient) const
262 { return orient == wxHORIZONTAL ? m_hScrollBar : m_vScrollBar; }
263
264 // set the scroll pos
265 void SetInternalScrollPos(wxOrientation orient, int pos)
266 {
267 if ( orient == wxHORIZONTAL )
268 m_scrollPosX = pos;
269 else
270 m_scrollPosY = pos;
271 }
272
273 // Motif-specific flags
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274 // --------------------
275
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276 bool m_needsRefresh:1; // repaint backing store?
277 bool m_canAddEventHandler:1; // ???
278 bool m_button1Pressed:1;
279 bool m_button2Pressed:1;
280 bool m_button3Pressed:1;
9b6dbb09 281
bfc6fde4 282 // For double-click detection
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283 long m_lastTS; // last timestamp
284 int m_lastButton; // last pressed button
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285
286 // List of wxRects representing damaged region
287 wxRectList m_updateRects;
34636400 288
9b6dbb09 289protected:
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290 WXWidget m_mainWidget;
291 WXWidget m_hScrollBar;
292 WXWidget m_vScrollBar;
293 WXWidget m_borderWidget;
294 WXWidget m_scrolledWindow;
295 WXWidget m_drawingArea;
296 bool m_winCaptured;
297 bool m_hScroll;
298 bool m_vScroll;
299 WXPixmap m_backingPixmap;
300 int m_pixmapWidth;
301 int m_pixmapHeight;
302 int m_pixmapOffsetX;
303 int m_pixmapOffsetY;
bfc6fde4 304
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305 // Store the last scroll pos, since in wxWin the pos isn't set automatically
306 // by system
307 int m_scrollPosX;
308 int m_scrollPosY;
309
310 // implement the base class pure virtuals
311 virtual void DoClientToScreen( int *x, int *y ) const;
312 virtual void DoScreenToClient( int *x, int *y ) const;
313 virtual void DoGetPosition( int *x, int *y ) const;
314 virtual void DoGetSize( int *width, int *height ) const;
315 virtual void DoGetClientSize( int *width, int *height ) const;
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316 virtual void DoSetSize(int x, int y,
317 int width, int height,
318 int sizeFlags = wxSIZE_AUTO);
bfc6fde4 319 virtual void DoSetClientSize(int width, int height);
ee31c392 320 virtual bool DoPopupMenu(wxMenu *menu, int x, int y);
bfc6fde4 321
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322#if wxUSE_TOOLTIPS
323 virtual void DoSetToolTip( wxToolTip *tip );
324#endif // wxUSE_TOOLTIPS
325
bfc6fde4 326private:
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327 // common part of all ctors
328 void Init();
329
330 DECLARE_NO_COPY_CLASS(wxWindow);
bfc6fde4 331 DECLARE_EVENT_TABLE()
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332};
333
34636400 334// ----------------------------------------------------------------------------
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335// A little class to switch off `size optimization' while an instance of the
336// object exists: this may be useful to temporarily disable the optimisation
337// which consists to do nothing when the new size is equal to the old size -
338// although quite useful usually to avoid flicker, sometimes it leads to
339// undesired effects.
34636400 340//
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341// Usage: create an instance of this class on the stack to disable the size
342// optimisation, it will be reenabled as soon as the object goes out from scope.
34636400 343// ----------------------------------------------------------------------------
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344
345class WXDLLEXPORT wxNoOptimize
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346{
347public:
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348 wxNoOptimize() { ms_count++; }
349 ~wxNoOptimize() { ms_count--; }
88150e60 350
af0bb3b1 351 static bool CanOptimize() { return ms_count == 0; }
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352
353protected:
af0bb3b1 354 static int ms_count;
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355};
356
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357#endif
358 // _WX_WINDOW_H_