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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/tbarbase.h
3 // Purpose: Base class for toolbar classes
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_TBARBASE_H_
13 #define _WX_TBARBASE_H_
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 #if defined(__GNUG__) && !defined(__APPLE__)
20 #pragma interface "tbarbase.h"
21 #endif
22
23 #include "wx/defs.h"
24
25 #if wxUSE_TOOLBAR
26
27 #include "wx/bitmap.h"
28 #include "wx/list.h"
29 #include "wx/control.h"
30
31 class WXDLLEXPORT wxToolBarBase;
32 class WXDLLEXPORT wxToolBarToolBase;
33 class WXDLLEXPORT wxImage;
34
35 // ----------------------------------------------------------------------------
36 // constants
37 // ----------------------------------------------------------------------------
38
39 WXDLLEXPORT_DATA(extern const wxChar*) wxToolBarNameStr;
40 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
41 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
42
43 enum wxToolBarToolStyle
44 {
45 wxTOOL_STYLE_BUTTON = 1,
46 wxTOOL_STYLE_SEPARATOR = 2,
47 wxTOOL_STYLE_CONTROL
48 };
49
50 // ----------------------------------------------------------------------------
51 // wxToolBarTool is a toolbar element.
52 //
53 // It has a unique id (except for the separators which always have id -1), the
54 // style (telling whether it is a normal button, separator or a control), the
55 // state (toggled or not, enabled or not) and short and long help strings. The
56 // default implementations use the short help string for the tooltip text which
57 // is popped up when the mouse pointer enters the tool and the long help string
58 // for the applications status bar.
59 // ----------------------------------------------------------------------------
60
61 class WXDLLEXPORT wxToolBarToolBase : public wxObject
62 {
63 public:
64 // ctors & dtor
65 // ------------
66
67 wxToolBarToolBase(wxToolBarBase *tbar = (wxToolBarBase *)NULL,
68 int toolid = wxID_SEPARATOR,
69 const wxString& label = wxEmptyString,
70 const wxBitmap& bmpNormal = wxNullBitmap,
71 const wxBitmap& bmpDisabled = wxNullBitmap,
72 wxItemKind kind = wxITEM_NORMAL,
73 wxObject *clientData = (wxObject *) NULL,
74 const wxString& shortHelpString = wxEmptyString,
75 const wxString& longHelpString = wxEmptyString)
76 : m_label(label),
77 m_shortHelpString(shortHelpString),
78 m_longHelpString(longHelpString)
79 {
80 m_tbar = tbar;
81 m_id = toolid;
82 m_clientData = clientData;
83
84 m_bmpNormal = bmpNormal;
85 m_bmpDisabled = bmpDisabled;
86
87 m_kind = kind;
88
89 m_enabled = TRUE;
90 m_toggled = FALSE;
91
92 m_toolStyle = toolid == wxID_SEPARATOR ? wxTOOL_STYLE_SEPARATOR
93 : wxTOOL_STYLE_BUTTON;
94 }
95
96 wxToolBarToolBase(wxToolBarBase *tbar, wxControl *control)
97 {
98 m_tbar = tbar;
99 m_control = control;
100 m_id = control->GetId();
101
102 m_kind = wxITEM_MAX; // invalid value
103
104 m_enabled = TRUE;
105 m_toggled = FALSE;
106
107 m_toolStyle = wxTOOL_STYLE_CONTROL;
108 }
109
110 ~wxToolBarToolBase();
111
112 // accessors
113 // ---------
114
115 // general
116 int GetId() const { return m_id; }
117
118 wxControl *GetControl() const
119 {
120 wxASSERT_MSG( IsControl(), _T("this toolbar tool is not a control") );
121
122 return m_control;
123 }
124
125 wxToolBarBase *GetToolBar() const { return m_tbar; }
126
127 // style
128 bool IsButton() const { return m_toolStyle == wxTOOL_STYLE_BUTTON; }
129 bool IsControl() const { return m_toolStyle == wxTOOL_STYLE_CONTROL; }
130 bool IsSeparator() const { return m_toolStyle == wxTOOL_STYLE_SEPARATOR; }
131 int GetStyle() const { return m_toolStyle; }
132 wxItemKind GetKind() const
133 {
134 wxASSERT_MSG( IsButton(), _T("only makes sense for buttons") );
135
136 return m_kind;
137 }
138
139 // state
140 bool IsEnabled() const { return m_enabled; }
141 bool IsToggled() const { return m_toggled; }
142 bool CanBeToggled() const
143 { return m_kind == wxITEM_CHECK || m_kind == wxITEM_RADIO; }
144
145 // attributes
146 const wxBitmap& GetNormalBitmap() const { return m_bmpNormal; }
147 const wxBitmap& GetDisabledBitmap() const { return m_bmpDisabled; }
148
149 const wxBitmap& GetBitmap() const
150 { return IsEnabled() ? GetNormalBitmap() : GetDisabledBitmap(); }
151
152 wxString GetLabel() const { return m_label; }
153
154 wxString GetShortHelp() const { return m_shortHelpString; }
155 wxString GetLongHelp() const { return m_longHelpString; }
156
157 wxObject *GetClientData() const
158 {
159 if ( m_toolStyle == wxTOOL_STYLE_CONTROL )
160 {
161 return (wxObject*)m_control->GetClientData();
162 }
163 else
164 {
165 return m_clientData;
166 }
167 }
168
169 // modifiers: return TRUE if the state really changed
170 bool Enable(bool enable);
171 bool Toggle(bool toggle);
172 bool SetToggle(bool toggle);
173 bool SetShortHelp(const wxString& help);
174 bool SetLongHelp(const wxString& help);
175
176 void Toggle() { Toggle(!IsToggled()); }
177
178 void SetNormalBitmap(const wxBitmap& bmp) { m_bmpNormal = bmp; }
179 void SetDisabledBitmap(const wxBitmap& bmp) { m_bmpDisabled = bmp; }
180
181 virtual void SetLabel(const wxString& label) { m_label = label; }
182
183 void SetClientData(wxObject *clientData)
184 {
185 if ( m_toolStyle == wxTOOL_STYLE_CONTROL )
186 {
187 m_control->SetClientData(clientData);
188 }
189 else
190 {
191 m_clientData = clientData;
192 }
193 }
194
195 // add tool to/remove it from a toolbar
196 virtual void Detach() { m_tbar = (wxToolBarBase *)NULL; }
197 virtual void Attach(wxToolBarBase *tbar) { m_tbar = tbar; }
198
199 // compatibility only, don't use
200 #if WXWIN_COMPATIBILITY_2_2
201 const wxBitmap& GetBitmap1() const { return GetNormalBitmap(); }
202 const wxBitmap& GetBitmap2() const { return GetDisabledBitmap(); }
203
204 void SetBitmap1(const wxBitmap& bmp) { SetNormalBitmap(bmp); }
205 void SetBitmap2(const wxBitmap& bmp) { SetDisabledBitmap(bmp); }
206 #endif // WXWIN_COMPATIBILITY_2_2
207
208 protected:
209 wxToolBarBase *m_tbar; // the toolbar to which we belong (may be NULL)
210
211 // tool parameters
212 int m_toolStyle; // see enum wxToolBarToolStyle
213 int m_id; // the tool id, wxID_SEPARATOR for separator
214 wxItemKind m_kind; // for normal buttons may be wxITEM_NORMAL/CHECK/RADIO
215
216 // as controls have their own client data, no need to waste memory
217 union
218 {
219 wxObject *m_clientData;
220 wxControl *m_control;
221 };
222
223 // tool state
224 bool m_toggled;
225 bool m_enabled;
226
227 // normal and disabled bitmaps for the tool, both can be invalid
228 wxBitmap m_bmpNormal;
229 wxBitmap m_bmpDisabled;
230
231 // the button label
232 wxString m_label;
233
234 // short and long help strings
235 wxString m_shortHelpString;
236 wxString m_longHelpString;
237
238 DECLARE_NO_COPY_CLASS(wxToolBarToolBase)
239 };
240
241 // a list of toolbar tools
242 WX_DECLARE_EXPORTED_LIST(wxToolBarToolBase, wxToolBarToolsList);
243
244 // ----------------------------------------------------------------------------
245 // the base class for all toolbars
246 // ----------------------------------------------------------------------------
247
248 class WXDLLEXPORT wxToolBarBase : public wxControl
249 {
250 public:
251 wxToolBarBase();
252 virtual ~wxToolBarBase();
253
254 // toolbar construction
255 // --------------------
256
257 // the full AddTool() function
258 //
259 // If bmpDisabled is wxNullBitmap, a shadowed version of the normal bitmap
260 // is created and used as the disabled image.
261 wxToolBarToolBase *AddTool(int toolid,
262 const wxString& label,
263 const wxBitmap& bitmap,
264 const wxBitmap& bmpDisabled,
265 wxItemKind kind = wxITEM_NORMAL,
266 const wxString& shortHelp = wxEmptyString,
267 const wxString& longHelp = wxEmptyString,
268 wxObject *data = NULL)
269 {
270 return DoAddTool(toolid, label, bitmap, bmpDisabled, kind,
271 shortHelp, longHelp, data);
272 }
273
274 // the most common AddTool() version
275 wxToolBarToolBase *AddTool(int toolid,
276 const wxString& label,
277 const wxBitmap& bitmap,
278 const wxString& shortHelp = wxEmptyString,
279 wxItemKind kind = wxITEM_NORMAL)
280 {
281 return AddTool(toolid, label, bitmap, wxNullBitmap, kind, shortHelp);
282 }
283
284 // add a check tool, i.e. a tool which can be toggled
285 wxToolBarToolBase *AddCheckTool(int toolid,
286 const wxString& label,
287 const wxBitmap& bitmap,
288 const wxBitmap& bmpDisabled = wxNullBitmap,
289 const wxString& shortHelp = wxEmptyString,
290 const wxString& longHelp = wxEmptyString,
291 wxObject *data = NULL)
292 {
293 return AddTool(toolid, label, bitmap, bmpDisabled, wxITEM_CHECK,
294 shortHelp, longHelp, data);
295 }
296
297 // add a radio tool, i.e. a tool which can be toggled and releases any
298 // other toggled radio tools in the same group when it happens
299 wxToolBarToolBase *AddRadioTool(int toolid,
300 const wxString& label,
301 const wxBitmap& bitmap,
302 const wxBitmap& bmpDisabled = wxNullBitmap,
303 const wxString& shortHelp = wxEmptyString,
304 const wxString& longHelp = wxEmptyString,
305 wxObject *data = NULL)
306 {
307 return AddTool(toolid, label, bitmap, bmpDisabled, wxITEM_RADIO,
308 shortHelp, longHelp, data);
309 }
310
311
312 // insert the new tool at the given position, if pos == GetToolsCount(), it
313 // is equivalent to AddTool()
314 virtual wxToolBarToolBase *InsertTool
315 (
316 size_t pos,
317 int toolid,
318 const wxString& label,
319 const wxBitmap& bitmap,
320 const wxBitmap& bmpDisabled = wxNullBitmap,
321 wxItemKind kind = wxITEM_NORMAL,
322 const wxString& shortHelp = wxEmptyString,
323 const wxString& longHelp = wxEmptyString,
324 wxObject *clientData = NULL
325 );
326
327 virtual wxToolBarToolBase *AddTool (wxToolBarToolBase *tool);
328 virtual wxToolBarToolBase *InsertTool (size_t pos, wxToolBarToolBase *tool);
329
330 // add an arbitrary control to the toolbar, return TRUE if ok (notice that
331 // the control will be deleted by the toolbar and that it will also adjust
332 // its position/size)
333 //
334 // NB: the control should have toolbar as its parent
335 virtual wxToolBarToolBase *AddControl(wxControl *control);
336 virtual wxToolBarToolBase *InsertControl(size_t pos, wxControl *control);
337
338 // get the control with the given id or return NULL
339 virtual wxControl *FindControl( int toolid );
340
341 // add a separator to the toolbar
342 virtual wxToolBarToolBase *AddSeparator();
343 virtual wxToolBarToolBase *InsertSeparator(size_t pos);
344
345 // remove the tool from the toolbar: the caller is responsible for actually
346 // deleting the pointer
347 virtual wxToolBarToolBase *RemoveTool(int toolid);
348
349 // delete tool either by index or by position
350 virtual bool DeleteToolByPos(size_t pos);
351 virtual bool DeleteTool(int toolid);
352
353 // delete all tools
354 virtual void ClearTools();
355
356 // must be called after all buttons have been created to finish toolbar
357 // initialisation
358 virtual bool Realize();
359
360 // tools state
361 // -----------
362
363 virtual void EnableTool(int toolid, bool enable);
364 virtual void ToggleTool(int toolid, bool toggle);
365
366 // Set this to be togglable (or not)
367 virtual void SetToggle(int toolid, bool toggle);
368
369 // set/get tools client data (not for controls)
370 virtual wxObject *GetToolClientData(int toolid) const;
371 virtual void SetToolClientData(int toolid, wxObject *clientData);
372
373 // return TRUE if the tool is toggled
374 virtual bool GetToolState(int toolid) const;
375
376 virtual bool GetToolEnabled(int toolid) const;
377
378 virtual void SetToolShortHelp(int toolid, const wxString& helpString);
379 virtual wxString GetToolShortHelp(int toolid) const;
380 virtual void SetToolLongHelp(int toolid, const wxString& helpString);
381 virtual wxString GetToolLongHelp(int toolid) const;
382
383 // margins/packing/separation
384 // --------------------------
385
386 virtual void SetMargins(int x, int y);
387 void SetMargins(const wxSize& size)
388 { SetMargins((int) size.x, (int) size.y); }
389 virtual void SetToolPacking(int packing)
390 { m_toolPacking = packing; }
391 virtual void SetToolSeparation(int separation)
392 { m_toolSeparation = separation; }
393
394 virtual wxSize GetToolMargins() const { return wxSize(m_xMargin, m_yMargin); }
395 virtual int GetToolPacking() const { return m_toolPacking; }
396 virtual int GetToolSeparation() const { return m_toolSeparation; }
397
398 // toolbar geometry
399 // ----------------
400
401 // set the number of toolbar rows
402 virtual void SetRows(int nRows);
403
404 // the toolbar can wrap - limit the number of columns or rows it may take
405 void SetMaxRowsCols(int rows, int cols)
406 { m_maxRows = rows; m_maxCols = cols; }
407 int GetMaxRows() const { return m_maxRows; }
408 int GetMaxCols() const { return m_maxCols; }
409
410 // get/set the size of the bitmaps used by the toolbar: should be called
411 // before adding any tools to the toolbar
412 virtual void SetToolBitmapSize(const wxSize& size)
413 { m_defaultWidth = size.x; m_defaultHeight = size.y; };
414 virtual wxSize GetToolBitmapSize() const
415 { return wxSize(m_defaultWidth, m_defaultHeight); }
416
417 // the button size in some implementations is bigger than the bitmap size:
418 // get the total button size (by default the same as bitmap size)
419 virtual wxSize GetToolSize() const
420 { return GetToolBitmapSize(); } ;
421
422 // returns a (non separator) tool containing the point (x, y) or NULL if
423 // there is no tool at this point (corrdinates are client)
424 virtual wxToolBarToolBase *FindToolForPosition(wxCoord x,
425 wxCoord y) const = 0;
426
427 // return TRUE if this is a vertical toolbar, otherwise FALSE
428 bool IsVertical() const { return HasFlag(wxTB_VERTICAL); }
429
430
431 // the old versions of the various methods kept for compatibility
432 // don't use in the new code!
433 // --------------------------------------------------------------
434
435 wxToolBarToolBase *AddTool(int toolid,
436 const wxBitmap& bitmap,
437 const wxBitmap& bmpDisabled,
438 bool toggle = FALSE,
439 wxObject *clientData = NULL,
440 const wxString& shortHelpString = wxEmptyString,
441 const wxString& longHelpString = wxEmptyString)
442 {
443 return AddTool(toolid, wxEmptyString,
444 bitmap, bmpDisabled,
445 toggle ? wxITEM_CHECK : wxITEM_NORMAL,
446 shortHelpString, longHelpString, clientData);
447 }
448
449 wxToolBarToolBase *AddTool(int toolid,
450 const wxBitmap& bitmap,
451 const wxString& shortHelpString = wxEmptyString,
452 const wxString& longHelpString = wxEmptyString)
453 {
454 return AddTool(toolid, wxEmptyString,
455 bitmap, wxNullBitmap, wxITEM_NORMAL,
456 shortHelpString, longHelpString, NULL);
457 }
458
459 wxToolBarToolBase *AddTool(int toolid,
460 const wxBitmap& bitmap,
461 const wxBitmap& bmpDisabled,
462 bool toggle,
463 wxCoord xPos,
464 wxCoord yPos = -1,
465 wxObject *clientData = NULL,
466 const wxString& shortHelp = wxEmptyString,
467 const wxString& longHelp = wxEmptyString)
468 {
469 return DoAddTool(toolid, wxEmptyString, bitmap, bmpDisabled,
470 toggle ? wxITEM_CHECK : wxITEM_NORMAL,
471 shortHelp, longHelp, clientData, xPos, yPos);
472 }
473
474 wxToolBarToolBase *InsertTool(size_t pos,
475 int toolid,
476 const wxBitmap& bitmap,
477 const wxBitmap& bmpDisabled = wxNullBitmap,
478 bool toggle = FALSE,
479 wxObject *clientData = NULL,
480 const wxString& shortHelp = wxEmptyString,
481 const wxString& longHelp = wxEmptyString)
482 {
483 return InsertTool(pos, toolid, wxEmptyString, bitmap, bmpDisabled,
484 toggle ? wxITEM_CHECK : wxITEM_NORMAL,
485 shortHelp, longHelp, clientData);
486 }
487
488 // event handlers
489 // --------------
490
491 // NB: these functions are deprecated, use EVT_TOOL_XXX() instead!
492
493 // Only allow toggle if returns TRUE. Call when left button up.
494 virtual bool OnLeftClick(int toolid, bool toggleDown);
495
496 // Call when right button down.
497 virtual void OnRightClick(int toolid, long x, long y);
498
499 // Called when the mouse cursor enters a tool bitmap.
500 // Argument is -1 if mouse is exiting the toolbar.
501 virtual void OnMouseEnter(int toolid);
502
503 // more deprecated functions
504 // -------------------------
505
506 #if WXWIN_COMPATIBILITY
507 void SetDefaultSize(int w, int h) { SetDefaultSize(wxSize(w, h)); }
508 long GetDefaultWidth() const { return m_defaultWidth; }
509 long GetDefaultHeight() const { return m_defaultHeight; }
510 int GetDefaultButtonWidth() const { return (int) GetDefaultButtonSize().x; };
511 int GetDefaultButtonHeight() const { return (int) GetDefaultButtonSize().y; };
512 virtual void SetDefaultSize(const wxSize& size) { SetToolBitmapSize(size); }
513 virtual wxSize GetDefaultSize() const { return GetToolBitmapSize(); }
514 virtual wxSize GetDefaultButtonSize() const { return GetToolSize(); }
515 #endif // WXWIN_COMPATIBILITY
516
517 // use GetToolMargins() instead
518 wxSize GetMargins() const { return GetToolMargins(); }
519
520 // implementation only from now on
521 // -------------------------------
522
523 size_t GetToolsCount() const { return m_tools.GetCount(); }
524
525 void OnIdle(wxIdleEvent& event);
526
527 // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
528 virtual void DoToolbarUpdates();
529
530 // don't want toolbars to accept the focus
531 virtual bool AcceptsFocus() const { return FALSE; }
532
533 protected:
534 // to implement in derived classes
535 // -------------------------------
536
537 // create a new toolbar tool and add it to the toolbar, this is typically
538 // implemented by just calling InsertTool()
539 virtual wxToolBarToolBase *DoAddTool
540 (
541 int toolid,
542 const wxString& label,
543 const wxBitmap& bitmap,
544 const wxBitmap& bmpDisabled,
545 wxItemKind kind,
546 const wxString& shortHelp = wxEmptyString,
547 const wxString& longHelp = wxEmptyString,
548 wxObject *clientData = NULL,
549 wxCoord xPos = -1,
550 wxCoord yPos = -1
551 );
552
553 // the tool is not yet inserted into m_tools list when this function is
554 // called and will only be added to it if this function succeeds
555 virtual bool DoInsertTool(size_t pos, wxToolBarToolBase *tool) = 0;
556
557 // the tool is still in m_tools list when this function is called, it will
558 // only be deleted from it if it succeeds
559 virtual bool DoDeleteTool(size_t pos, wxToolBarToolBase *tool) = 0;
560
561 // called when the tools enabled flag changes
562 virtual void DoEnableTool(wxToolBarToolBase *tool, bool enable) = 0;
563
564 // called when the tool is toggled
565 virtual void DoToggleTool(wxToolBarToolBase *tool, bool toggle) = 0;
566
567 // called when the tools "can be toggled" flag changes
568 virtual void DoSetToggle(wxToolBarToolBase *tool, bool toggle) = 0;
569
570 // the functions to create toolbar tools
571 virtual wxToolBarToolBase *CreateTool(int toolid,
572 const wxString& label,
573 const wxBitmap& bmpNormal,
574 const wxBitmap& bmpDisabled,
575 wxItemKind kind,
576 wxObject *clientData,
577 const wxString& shortHelp,
578 const wxString& longHelp) = 0;
579
580 virtual wxToolBarToolBase *CreateTool(wxControl *control) = 0;
581
582 // helper functions
583 // ----------------
584
585 // find the tool by id
586 wxToolBarToolBase *FindById(int toolid) const;
587
588 // the list of all our tools
589 wxToolBarToolsList m_tools;
590
591 // the offset of the first tool
592 int m_xMargin;
593 int m_yMargin;
594
595 // the maximum number of toolbar rows/columns
596 int m_maxRows;
597 int m_maxCols;
598
599 // the tool packing and separation
600 int m_toolPacking,
601 m_toolSeparation;
602
603 // the size of the toolbar bitmaps
604 wxCoord m_defaultWidth, m_defaultHeight;
605
606 private:
607 DECLARE_EVENT_TABLE()
608 DECLARE_CLASS(wxToolBarBase)
609 };
610
611 // Helper function for creating the image for disabled buttons
612 bool wxCreateGreyedImage(const wxImage& in, wxImage& out) ;
613
614 #endif // wxUSE_TOOLBAR
615
616 #endif
617 // _WX_TBARBASE_H_
618