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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: toolbar.h
3 // Purpose: interface of wxToolBar
4 // Author: wxWidgets team
5 // RCS-ID: $Id$
6 // Licence: wxWindows license
7 /////////////////////////////////////////////////////////////////////////////
8
9 /**
10 @class wxToolBar
11 @wxheader{toolbar.h}
12
13 The name wxToolBar is defined to be a synonym for one of the following
14 classes:
15
16 - @b wxToolBar95 - The native Windows 95 toolbar. Used on Windows 95, NT 4
17 and above.
18 - @b wxToolBarMSW - A Windows implementation. Used on 16-bit Windows.
19 - @b wxToolBarGTK - The GTK toolbar.
20
21 You may also create a toolbar that is managed by the frame, by calling
22 wxFrame::CreateToolBar(). Under Pocket PC, you should always use this
23 function for creating the toolbar to be managed by the frame, so that
24 wxWidgets can use a combined menubar and toolbar. Where you manage your
25 own toolbars, create a wxToolBar as usual.
26
27 The meaning of a "separator" is a vertical line under Windows and simple
28 space under GTK+.
29
30 @b wxToolBar95: Note that this toolbar paints tools to reflect
31 system-wide colours. If you use more than 16 colours in your tool
32 bitmaps, you may wish to suppress this behaviour, otherwise system
33 colours in your bitmaps will inadvertently be mapped to system colours.
34 To do this, set the msw.remap system option before creating the toolbar:
35
36 @code
37 wxSystemOptions::SetOption(wxT("msw.remap"), 0);
38 @endcode
39
40 If you wish to use 32-bit images (which include an alpha channel for
41 transparency) use:
42
43 @code
44 wxSystemOptions::SetOption(wxT("msw.remap"), 2);
45 @endcode
46
47 Then colour remapping is switched off, and a transparent background
48 used. But only use this option under Windows XP with true colour:
49
50 @code
51 if (wxTheApp->GetComCtl32Version() >= 600 && ::wxDisplayDepth() >= 32)
52 @endcode
53
54 There are several different types of tools you can add to a toolbar. These
55 types are controlled by the ::wxItemKind enumeration.
56
57 @beginStyleTable
58 @style{wxTB_FLAT}
59 Gives the toolbar a flat look (Windows and GTK only).
60 @style{wxTB_DOCKABLE}
61 Makes the toolbar floatable and dockable (GTK only).
62 @style{wxTB_HORIZONTAL}
63 Specifies horizontal layout (default).
64 @style{wxTB_VERTICAL}
65 Specifies vertical layout.
66 @style{wxTB_TEXT}
67 Shows the text in the toolbar buttons; by default only icons are shown.
68 @style{wxTB_NOICONS}
69 Specifies no icons in the toolbar buttons; by default they are shown.
70 @style{wxTB_NODIVIDER}
71 Specifies no divider (border) above the toolbar (Windows only)
72 @style{wxTB_NOALIGN}
73 Specifies no alignment with the parent window (Windows only, not very
74 useful).
75 @style{wxTB_HORZ_LAYOUT}
76 Shows the text and the icons alongside, not vertically stacked (Windows
77 and GTK 2 only). This style must be used with @c wxTB_TEXT.
78 @style{wxTB_HORZ_TEXT}
79 Combination of @c wxTB_HORZ_LAYOUT and @c wxTB_TEXT.
80 @style{wxTB_NO_TOOLTIPS}
81 Don't show the short help tooltips for the tools when the mouse hovers
82 over them.
83 @style{wxTB_BOTTOM}
84 Align the toolbar at the bottom of parent window.
85 @style{wxTB_RIGHT}
86 Align the toolbar at the right side of parent window.
87 @endStyleTable
88
89 See also @ref overview_windowstyles. Note that the Win32 native toolbar
90 ignores @c wxTB_NOICONS style. Also, toggling the @c wxTB_TEXT works only
91 if the style was initially on.
92
93 @beginEventTable{wxCommandEvent}
94 @event{EVT_TOOL(id, func)}
95 Process a @c wxEVT_COMMAND_TOOL_CLICKED event (a synonym for @c
96 wxEVT_COMMAND_MENU_SELECTED). Pass the id of the tool.
97 @event{EVT_MENU(id, func)}
98 The same as EVT_TOOL().
99 @event{EVT_TOOL_RANGE(id1, id2, func)}
100 Process a @c wxEVT_COMMAND_TOOL_CLICKED event for a range of
101 identifiers. Pass the ids of the tools.
102 @event{EVT_MENU_RANGE(id1, id2, func)}
103 The same as EVT_TOOL_RANGE().
104 @event{EVT_TOOL_RCLICKED(id, func)}
105 Process a @c wxEVT_COMMAND_TOOL_RCLICKED event. Pass the id of the
106 tool.
107 @event{EVT_TOOL_RCLICKED_RANGE(id1, id2, func)}
108 Process a @c wxEVT_COMMAND_TOOL_RCLICKED event for a range of ids. Pass
109 the ids of the tools.
110 @event{EVT_TOOL_ENTER(id, func)}
111 Process a @c wxEVT_COMMAND_TOOL_ENTER event. Pass the id of the toolbar
112 itself. The value of wxCommandEvent::GetSelection() is the tool id, or
113 -1 if the mouse cursor has moved off a tool.
114 @event{EVT_TOOL_DROPDOWN(id, func)}
115 Process a @c wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED event. If unhandled,
116 displays the default dropdown menu set using
117 wxToolBar::SetDropdownMenu().
118 @endEventTable
119
120 The toolbar class emits menu commands in the same way that a frame menubar
121 does, so you can use one EVT_MENU() macro for both a menu item and a toolbar
122 button. The event handler functions take a wxCommandEvent argument. For most
123 event macros, the identifier of the tool is passed, but for EVT_TOOL_ENTER()
124 the toolbar window identifier is passed and the tool identifier is retrieved
125 from the wxCommandEvent. This is because the identifier may be -1 when the
126 mouse moves off a tool, and -1 is not allowed as an identifier in the event
127 system.
128
129 @library{wxcore}
130 @category{miscwnd}
131
132 @see @ref overview_toolbar
133 */
134 class wxToolBar : public wxControl
135 {
136 public:
137 /**
138 Default constructor.
139 */
140 wxToolBar();
141
142 /**
143 Constructs a toolbar.
144
145 @param parent
146 Pointer to a parent window.
147 @param id
148 Window identifier. If -1, will automatically create an identifier.
149 @param pos
150 Window position. ::wxDefaultPosition is (-1, -1) which indicates that
151 wxWidgets should generate a default position for the window. If
152 using the wxWindow class directly, supply an actual position.
153 @param size
154 Window size. ::wxDefaultSize is (-1, -1) which indicates that
155 wxWidgets should generate a default size for the window.
156 @param style
157 Window style. See wxToolBar for details.
158 @param name
159 Window name.
160
161 @remarks After a toolbar is created, you use AddTool() and perhaps
162 AddSeparator(), and then you must call Realize() to construct and
163 display the toolbar tools.
164 */
165 wxToolBar(wxWindow* parent, wxWindowID id,
166 const wxPoint& pos = wxDefaultPosition,
167 const wxSize& size = wxDefaultSize,
168 long style = wxTB_HORIZONTAL | wxBORDER_NONE,
169 const wxString& name = wxPanelNameStr);
170
171 /**
172 Toolbar destructor.
173 */
174 ~wxToolBar();
175
176 /**
177 Adds a new check (or toggle) tool to the toolbar. The parameters are the
178 same as in AddTool().
179
180 @see AddTool()
181 */
182 wxToolBarToolBase* AddCheckTool(int toolId,
183 const wxString& label,
184 const wxBitmap& bitmap1,
185 const wxBitmap& bitmap2,
186 const wxString& shortHelpString = "",
187 const wxString& longHelpString = "",
188 wxObject* clientData = NULL);
189
190 /**
191 Adds any control to the toolbar, typically e.g. a wxComboBox.
192
193 @param control
194 The control to be added.
195 @param label
196 Text to be displayed near the control.
197
198 @remarks
199 wxMSW: the label is only displayed if there is enough space
200 available below the embedded control.
201
202 @remarks
203 wxMac: labels are only displayed if wxWidgets is built with @c
204 wxMAC_USE_NATIVE_TOOLBAR set to 1
205 */
206 bool AddControl(wxControl* control, const wxString label = "");
207
208 /**
209 Adds a new radio tool to the toolbar. Consecutive radio tools form a
210 radio group such that exactly one button in the group is pressed at any
211 moment, in other words whenever a button in the group is pressed the
212 previously pressed button is automatically released. You should avoid
213 having the radio groups of only one element as it would be impossible
214 for the user to use such button.
215
216 By default, the first button in the radio group is initially pressed,
217 the others are not.
218
219
220 @see AddTool()
221 */
222 wxToolBarToolBase* AddRadioTool(int toolId,
223 const wxString& label,
224 const wxBitmap& bitmap1,
225 const wxBitmap& bitmap2,
226 const wxString& shortHelpString = "",
227 const wxString& longHelpString = "",
228 wxObject* clientData = NULL);
229
230 /**
231 Adds a separator for spacing groups of tools.
232
233 @see AddTool(), SetToolSeparation()
234 */
235 void AddSeparator();
236
237 //@{
238 /**
239 Adds a tool to the toolbar. The first (short and most commonly used)
240 version has fewer parameters than the full version at the price of not
241 being able to specify some of the more rarely used button features. The
242 last version allows you to add an existing tool.
243
244 @param toolId
245 An integer by which the tool may be identified in subsequent
246 operations.
247 @param kind
248 May be ::wxITEM_NORMAL for a normal button (default), ::wxITEM_CHECK
249 for a checkable tool (such tool stays pressed after it had been
250 toggled) or ::wxITEM_RADIO for a checkable tool which makes part of
251 a radio group of tools each of which is automatically unchecked
252 whenever another button in the group is checked. ::wxITEM_DROPDOWN
253 specifies that a drop-down menu button will appear next to the
254 tool button (only GTK+ and MSW). Call SetDropdownMenu() afterwards.
255 @param bitmap1
256 The primary tool bitmap.
257 @param bitmap2
258 The bitmap used when the tool is disabled. If it is equal to
259 ::wxNullBitmap, the disabled bitmap is automatically generated by
260 greying the normal one.
261 @param shortHelpString
262 This string is used for the tools tooltip.
263 @param longHelpString
264 This string is shown in the statusbar (if any) of the parent frame
265 when the mouse pointer is inside the tool.
266 @param clientData
267 An optional pointer to client data which can be retrieved later
268 using GetToolClientData().
269 @param tool
270 The tool to be added.
271
272 @remarks After you have added tools to a toolbar, you must call
273 Realize() in order to have the tools appear.
274
275 @see AddSeparator(), AddCheckTool(), AddRadioTool(),
276 InsertTool(), DeleteTool(), Realize(), SetDropdownMenu()
277 */
278 wxToolBarToolBase* AddTool(int toolId, const wxString& label,
279 const wxBitmap& bitmap1,
280 const wxString& shortHelpString = "",
281 wxItemKind kind = wxITEM_NORMAL);
282 wxToolBarToolBase* AddTool(int toolId, const wxString& label,
283 const wxBitmap& bitmap1,
284 const wxBitmap& bitmap2 = wxNullBitmap,
285 wxItemKind kind = wxITEM_NORMAL,
286 const wxString& shortHelpString = "",
287 const wxString& longHelpString = "",
288 wxObject* clientData = NULL);
289 wxToolBarToolBase* AddTool(wxToolBarToolBase* tool);
290 //@}
291
292 /**
293 Deletes all the tools in the toolbar.
294 */
295 void ClearTools();
296
297 /**
298 Removes the specified tool from the toolbar and deletes it. If you don't
299 want to delete the tool, but just to remove it from the toolbar (to
300 possibly add it back later), you may use RemoveTool() instead.
301
302 @note It is unnecessary to call Realize() for the change to take
303 place, it will happen immediately.
304
305 @returns @true if the tool was deleted, @false otherwise.
306
307 @see DeleteToolByPos()
308 */
309 bool DeleteTool(int toolId);
310
311 /**
312 This function behaves like DeleteTool() but it deletes the tool at the
313 specified position and not the one with the given id.
314 */
315 bool DeleteToolByPos(size_t pos);
316
317 /**
318 Enables or disables the tool.
319
320 @param toolId
321 Tool to enable or disable.
322 @param enable
323 If @true, enables the tool, otherwise disables it.
324
325 @remarks Some implementations will change the visible state of the tool
326 to indicate that it is disabled.
327
328
329 @see GetToolEnabled(), ToggleTool()
330 */
331 void EnableTool(int toolId, bool enable);
332
333 /**
334 Returns a pointer to the tool identified by @a id or @NULL if no
335 corresponding tool is found.
336 */
337 wxToolBarToolBase* FindById(int id);
338
339 /**
340 Returns a pointer to the control identified by @a id or @NULL if no
341 corresponding control is found.
342 */
343 wxControl* FindControl(int id);
344
345 /**
346 Finds a tool for the given mouse position.
347
348 @param x
349 X position.
350 @param y
351 Y position.
352
353 @return A pointer to a tool if a tool is found, or @NULL otherwise.
354
355 @remarks Currently not implemented in wxGTK (always returns @NULL
356 there).
357 */
358 wxToolBarToolBase* FindToolForPosition(wxCoord x, wxCoord y) const;
359
360 /**
361 Returns the left/right and top/bottom margins, which are also used for
362 inter-toolspacing.
363
364 @see SetMargins()
365 */
366 wxSize GetMargins() const;
367
368 /**
369 Returns the size of bitmap that the toolbar expects to have. The default
370 bitmap size is 16 by 15 pixels.
371
372 @remarks Note that this is the size of the bitmap you pass to AddTool(),
373 and not the eventual size of the tool button.
374
375 @see SetToolBitmapSize(), GetToolSize()
376 */
377 wxSize GetToolBitmapSize();
378
379 /**
380 Get any client data associated with the tool.
381
382 @param toolId
383 Id of the tool, as passed to AddTool().
384
385 @return Client data, or @NULL if there is none.
386 */
387 wxObject* GetToolClientData(int toolId) const;
388
389 /**
390 Called to determine whether a tool is enabled (responds to user input).
391
392 @param toolId
393 Id of the tool in question.
394
395 @return @true if the tool is enabled, @false otherwise.
396
397 @see EnableTool()
398 */
399 bool GetToolEnabled(int toolId) const;
400
401 /**
402 Returns the long help for the given tool.
403
404 @param toolId
405 The tool in question.
406
407 @see SetToolLongHelp(), SetToolShortHelp()
408 */
409 wxString GetToolLongHelp(int toolId) const;
410
411 /**
412 Returns the value used for packing tools.
413
414 @see SetToolPacking()
415 */
416 int GetToolPacking() const;
417
418 /**
419 Returns the tool position in the toolbar, or @c wxNOT_FOUND if the tool
420 is not found.
421 */
422 int GetToolPos(int toolId) const;
423
424 /**
425 Returns the default separator size.
426
427 @see SetToolSeparation()
428 */
429 int GetToolSeparation() const;
430
431 /**
432 Returns the short help for the given tool.
433
434 @param toolId
435 The tool in question.
436
437 @see GetToolLongHelp(), SetToolShortHelp()
438 */
439 wxString GetToolShortHelp(int toolId) const;
440
441 /**
442 Returns the size of a whole button, which is usually larger than a tool
443 bitmap because of added 3D effects.
444
445 @see SetToolBitmapSize(), GetToolBitmapSize()
446 */
447 wxSize GetToolSize();
448
449 /**
450 Gets the on/off state of a toggle tool.
451
452 @param toolId
453 The tool in question.
454
455 @return @true if the tool is toggled on, @false otherwise.
456
457 @see ToggleTool()
458 */
459 bool GetToolState(int toolId) const;
460
461 /**
462 Returns the number of tools in the toolbar.
463 */
464 int GetToolsCount() const;
465
466 /**
467 Inserts the control into the toolbar at the given position. You must
468 call Realize() for the change to take place.
469
470 @see AddControl(), InsertTool()
471 */
472 wxToolBarToolBase* InsertControl(size_t pos, wxControl* control);
473
474 /**
475 Inserts the separator into the toolbar at the given position. You must
476 call Realize() for the change to take place.
477
478 @see AddSeparator(), InsertTool()
479 */
480 wxToolBarToolBase* InsertSeparator(size_t pos);
481
482 //@{
483 /**
484 Inserts the tool with the specified attributes into the toolbar at the
485 given position.
486
487 You must call Realize() for the change to take place.
488
489 @see AddTool(), InsertControl(), InsertSeparator()
490 */
491 wxToolBarToolBase* InsertTool(size_t pos, int toolId,
492 const wxBitmap& bitmap1,
493 const wxBitmap& bitmap2 = wxNullBitmap,
494 bool isToggle = false,
495 wxObject* clientData = NULL,
496 const wxString& shortHelpString = "",
497 const wxString& longHelpString = "");
498 wxToolBarToolBase* InsertTool(size_t pos,
499 wxToolBarToolBase* tool);
500 //@}
501
502 /**
503 Called when the user clicks on a tool with the left mouse button. This
504 is the old way of detecting tool clicks; although it will still work,
505 you should use the EVT_MENU() or EVT_TOOL() macro instead.
506
507 @param toolId
508 The identifier passed to AddTool().
509 @param toggleDown
510 @true if the tool is a toggle and the toggle is down, otherwise is
511 @false.
512
513 @return If the tool is a toggle and this function returns @false, the
514 toggle state (internal and visual) will not be changed. This
515 provides a way of specifying that toggle operations are not
516 permitted in some circumstances.
517
518 @see OnMouseEnter(), OnRightClick()
519 */
520 bool OnLeftClick(int toolId, bool toggleDown);
521
522 /**
523 This is called when the mouse cursor moves into a tool or out of the
524 toolbar. This is the old way of detecting mouse enter events;
525 although it will still work, you should use the EVT_TOOL_ENTER()
526 macro instead.
527
528 @param toolId
529 Greater than -1 if the mouse cursor has moved into the tool, or -1
530 if the mouse cursor has moved. The programmer can override this to
531 provide extra information about the tool, such as a short
532 description on the status line.
533
534 @remarks With some derived toolbar classes, if the mouse moves quickly
535 out of the toolbar, wxWidgets may not be able to detect it.
536 Therefore this function may not always be called when expected.
537 */
538 void OnMouseEnter(int toolId);
539
540 /**
541 @deprecated This is the old way of detecting tool right clicks;
542 although it will still work, you should use the
543 EVT_TOOL_RCLICKED() macro instead.
544
545 Called when the user clicks on a tool with the right mouse button. The
546 programmer should override this function to detect right tool clicks.
547
548 @param toolId
549 The identifier passed to AddTool().
550 @param x
551 The x position of the mouse cursor.
552 @param y
553 The y position of the mouse cursor.
554
555 @remarks A typical use of this member might be to pop up a menu.
556
557 @see OnMouseEnter(), OnLeftClick()
558 */
559 void OnRightClick(int toolId, float x, float y);
560
561 /**
562 This function should be called after you have added tools.
563 */
564 bool Realize();
565
566 /**
567 Removes the given tool from the toolbar but doesn't delete it. This
568 allows to insert/add this tool back to this (or another) toolbar later.
569
570 @note It is unnecessary to call Realize() for the change to take place,
571 it will happen immediately.
572
573
574 @see DeleteTool()
575 */
576 wxToolBarToolBase* RemoveTool(int id);
577
578 /**
579 Sets the bitmap resource identifier for specifying tool bitmaps as
580 indices into a custom bitmap. Windows CE only.
581 */
582 void SetBitmapResource(int resourceId);
583
584 /**
585 Sets the dropdown menu for the tool given by its @e id. The tool itself
586 will delete the menu when it's no longer needed. Only supported under
587 GTK+ und MSW.
588
589 If you define a EVT_TOOL_DROPDOWN() handler in your program, you must
590 call wxEvent::Skip() from it or the menu won't be displayed.
591 */
592 bool SetDropdownMenu(int id, wxMenu* menu);
593
594 //@{
595 /**
596 Set the values to be used as margins for the toolbar.
597
598 @param size
599 Margin size.
600 @param x
601 Left margin, right margin and inter-tool separation value.
602 @param y
603 Top margin, bottom margin and inter-tool separation value.
604
605 @remarks This must be called before the tools are added if absolute
606 positioning is to be used, and the default (zero-size) margins are
607 to be overridden.
608
609 @see GetMargins(), wxSize
610 */
611 void SetMargins(const wxSize& size);
612 void SetMargins(int x, int y);
613 //@}
614
615 /**
616 Sets the default size of each tool bitmap. The default bitmap size is 16
617 by 15 pixels.
618
619 @param size
620 The size of the bitmaps in the toolbar.
621
622 @remarks This should be called to tell the toolbar what the tool bitmap
623 size is. Call it before you add tools.
624
625 @see GetToolBitmapSize(), GetToolSize()
626 */
627 void SetToolBitmapSize(const wxSize& size);
628
629 /**
630 Sets the client data associated with the tool.
631 */
632 void SetToolClientData(int id, wxObject* clientData);
633
634 /**
635 Sets the bitmap to be used by the tool with the given ID when the tool
636 is in a disabled state. This can only be used on Button tools, not
637 controls.
638
639 @note The native toolbar classes on the main platforms all synthesize
640 the disabled bitmap from the normal bitmap, so this function will
641 have no effect on those platforms.
642
643 */
644 void SetToolDisabledBitmap(int id, const wxBitmap& bitmap);
645
646 /**
647 Sets the long help for the given tool.
648
649 @param toolId
650 The tool in question.
651 @param helpString
652 A string for the long help.
653
654 @remarks You might use the long help for displaying the tool purpose on
655 the status line.
656
657 @see GetToolLongHelp(), SetToolShortHelp(),
658 */
659 void SetToolLongHelp(int toolId, const wxString& helpString);
660
661 /**
662 Sets the bitmap to be used by the tool with the given ID. This can only
663 be used on Button tools, not controls.
664 */
665 void SetToolNormalBitmap(int id, const wxBitmap& bitmap);
666
667 /**
668 Sets the value used for spacing tools. The default value is 1.
669
670 @param packing
671 The value for packing.
672
673 @remarks The packing is used for spacing in the vertical direction if
674 the toolbar is horizontal, and for spacing in the horizontal
675 direction if the toolbar is vertical.
676
677 @see GetToolPacking()
678 */
679 void SetToolPacking(int packing);
680
681 /**
682 Sets the default separator size. The default value is 5.
683
684 @param separation
685 The separator size.
686
687 @see AddSeparator()
688 */
689 void SetToolSeparation(int separation);
690
691 /**
692 Sets the short help for the given tool.
693
694 @param toolId
695 The tool in question.
696 @param helpString
697 The string for the short help.
698
699 @remarks An application might use short help for identifying the tool
700 purpose in a tooltip.
701
702
703 @see GetToolShortHelp(), SetToolLongHelp()
704 */
705 void SetToolShortHelp(int toolId, const wxString& helpString);
706
707 /**
708 Toggles a tool on or off. This does not cause any event to get emitted.
709
710 @param toolId
711 Tool in question.
712 @param toggle
713 If @true, toggles the tool on, otherwise toggles it off.
714
715 @remarks Only applies to a tool that has been specified as a toggle
716 tool.
717 */
718 void ToggleTool(int toolId, bool toggle);
719 };
720