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[wxWidgets.git] / src / gtk / tbargtk.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: tbargtk.cpp
3 // Purpose: GTK toolbar
4 // Author: Robert Roebling
5 // Modified: 13.12.99 by VZ to derive from wxToolBarBase
6 // RCS-ID: $Id$
7 // Copyright: (c) Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
20 #pragma implementation "tbargtk.h"
21 #endif
22
23 // For compilers that support precompilation, includes "wx.h".
24 #include "wx/wxprec.h"
25
26 #include "wx/toolbar.h"
27
28 #if wxUSE_TOOLBAR_NATIVE
29
30 #include "wx/frame.h"
31
32 #include <glib.h>
33 #include "wx/gtk/private.h"
34
35 extern GdkFont *GtkGetDefaultGuiFont();
36
37 // ----------------------------------------------------------------------------
38 // globals
39 // ----------------------------------------------------------------------------
40
41 // idle system
42 extern void wxapp_install_idle_handler();
43 extern bool g_isIdle;
44
45 // data
46 extern bool g_blockEventsOnDrag;
47 extern wxCursor g_globalCursor;
48
49 // ----------------------------------------------------------------------------
50 // private functions
51 // ----------------------------------------------------------------------------
52
53 // translate wxWidgets toolbar style flags to GTK orientation and style
54 static void GetGtkStyle(long style,
55 GtkOrientation *orient, GtkToolbarStyle *gtkStyle)
56 {
57 *orient = style & wxTB_VERTICAL ? GTK_ORIENTATION_VERTICAL
58 : GTK_ORIENTATION_HORIZONTAL;
59
60
61 if ( style & wxTB_TEXT )
62 {
63 *gtkStyle = style & wxTB_NOICONS
64 ? GTK_TOOLBAR_TEXT
65 : (
66 #ifdef __WXGTK20__
67 style & wxTB_HORZ_LAYOUT ? GTK_TOOLBAR_BOTH_HORIZ :
68 #endif // __WXGTK20__
69 GTK_TOOLBAR_BOTH);
70 }
71 else // no text, hence we must have the icons or what would we show?
72 {
73 *gtkStyle = GTK_TOOLBAR_ICONS;
74 }
75 }
76
77 // ----------------------------------------------------------------------------
78 // wxToolBarTool
79 // ----------------------------------------------------------------------------
80
81 class wxToolBarTool : public wxToolBarToolBase
82 {
83 public:
84 wxToolBarTool(wxToolBar *tbar,
85 int id,
86 const wxString& label,
87 const wxBitmap& bitmap1,
88 const wxBitmap& bitmap2,
89 wxItemKind kind,
90 wxObject *clientData,
91 const wxString& shortHelpString,
92 const wxString& longHelpString)
93 : wxToolBarToolBase(tbar, id, label, bitmap1, bitmap2, kind,
94 clientData, shortHelpString, longHelpString)
95 {
96 Init();
97 }
98
99 wxToolBarTool(wxToolBar *tbar, wxControl *control)
100 : wxToolBarToolBase(tbar, control)
101 {
102 Init();
103 }
104
105 // is this a radio button?
106 //
107 // unlike GetKind(), can be called for any kind of tools, not just buttons
108 bool IsRadio() const { return IsButton() && GetKind() == wxITEM_RADIO; }
109
110 // this is only called for the normal buttons, i.e. not separators nor
111 // controls
112 GtkToolbarChildType GetGtkChildType() const
113 {
114 switch ( GetKind() )
115 {
116 case wxITEM_CHECK:
117 return GTK_TOOLBAR_CHILD_TOGGLEBUTTON;
118
119 case wxITEM_RADIO:
120 return GTK_TOOLBAR_CHILD_RADIOBUTTON;
121
122 default:
123 wxFAIL_MSG( _T("unknown toolbar child type") );
124 // fall through
125
126 case wxITEM_NORMAL:
127 return GTK_TOOLBAR_CHILD_BUTTON;
128 }
129 }
130
131 void SetPixmap(const wxBitmap& bitmap)
132 {
133 if (bitmap.Ok())
134 {
135 GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
136 : (GdkBitmap *)NULL;
137 #ifdef __WXGTK20__
138 if (bitmap.HasPixbuf())
139 gtk_image_set_from_pixbuf( GTK_IMAGE(m_pixmap), bitmap.GetPixbuf() );
140 else
141 #endif // !__WXGTK20__
142 gtk_pixmap_set( GTK_PIXMAP(m_pixmap), bitmap.GetPixmap(), mask );
143 }
144 }
145
146 GtkWidget *m_item;
147 GtkWidget *m_pixmap;
148
149 protected:
150 void Init();
151 };
152
153 // ----------------------------------------------------------------------------
154 // wxWin macros
155 // ----------------------------------------------------------------------------
156
157 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
158
159 // ============================================================================
160 // implementation
161 // ============================================================================
162
163 //-----------------------------------------------------------------------------
164 // "clicked" (internal from gtk_toolbar)
165 //-----------------------------------------------------------------------------
166
167 extern "C" {
168 static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget),
169 wxToolBarTool *tool )
170 {
171 if (g_isIdle)
172 wxapp_install_idle_handler();
173
174 wxToolBar *tbar = (wxToolBar *)tool->GetToolBar();
175
176 if (tbar->m_blockEvent) return;
177
178 if (g_blockEventsOnDrag) return;
179 if (!tool->IsEnabled()) return;
180
181 if (tool->CanBeToggled())
182 {
183 tool->Toggle();
184
185 tool->SetPixmap(tool->GetBitmap());
186
187 if ( tool->IsRadio() && !tool->IsToggled() )
188 {
189 // radio button went up, don't report this as a wxWin event
190 return;
191 }
192 }
193
194 if( !tbar->OnLeftClick( tool->GetId(), tool->IsToggled() ) && tool->CanBeToggled() )
195 {
196 // revert back
197 tool->Toggle();
198
199 tool->SetPixmap(tool->GetBitmap());
200 }
201 }
202 }
203
204 //-----------------------------------------------------------------------------
205 // "enter_notify_event" / "leave_notify_event"
206 //-----------------------------------------------------------------------------
207
208 extern "C" {
209 static gint gtk_toolbar_tool_callback( GtkWidget *WXUNUSED(widget),
210 GdkEventCrossing *gdk_event,
211 wxToolBarTool *tool )
212 {
213 if (g_isIdle) wxapp_install_idle_handler();
214
215 if (g_blockEventsOnDrag) return TRUE;
216
217 wxToolBar *tb = (wxToolBar *)tool->GetToolBar();
218
219 // emit the event
220 if( gdk_event->type == GDK_ENTER_NOTIFY )
221 tb->OnMouseEnter( tool->GetId() );
222 else
223 tb->OnMouseEnter( -1 );
224
225 return FALSE;
226 }
227 }
228
229 //-----------------------------------------------------------------------------
230 // InsertChild callback for wxToolBar
231 //-----------------------------------------------------------------------------
232
233 static void wxInsertChildInToolBar( wxToolBar* WXUNUSED(parent),
234 wxWindow* WXUNUSED(child) )
235 {
236 // we don't do anything here
237 }
238
239 // ----------------------------------------------------------------------------
240 // wxToolBarTool
241 // ----------------------------------------------------------------------------
242
243 void wxToolBarTool::Init()
244 {
245 m_item =
246 m_pixmap = (GtkWidget *)NULL;
247 }
248
249 wxToolBarToolBase *wxToolBar::CreateTool(int id,
250 const wxString& text,
251 const wxBitmap& bitmap1,
252 const wxBitmap& bitmap2,
253 wxItemKind kind,
254 wxObject *clientData,
255 const wxString& shortHelpString,
256 const wxString& longHelpString)
257 {
258 return new wxToolBarTool(this, id, text, bitmap1, bitmap2, kind,
259 clientData, shortHelpString, longHelpString);
260 }
261
262 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
263 {
264 return new wxToolBarTool(this, control);
265 }
266
267 //-----------------------------------------------------------------------------
268 // wxToolBar construction
269 //-----------------------------------------------------------------------------
270
271 void wxToolBar::Init()
272 {
273 m_toolbar = (GtkToolbar *)NULL;
274 m_blockEvent = FALSE;
275 m_defaultWidth = 32;
276 m_defaultHeight = 32;
277 }
278
279 wxToolBar::~wxToolBar()
280 {
281 }
282
283 bool wxToolBar::Create( wxWindow *parent,
284 wxWindowID id,
285 const wxPoint& pos,
286 const wxSize& size,
287 long style,
288 const wxString& name )
289 {
290 m_needParent = TRUE;
291 m_insertCallback = (wxInsertChildFunction)wxInsertChildInToolBar;
292
293 if ( !PreCreation( parent, pos, size ) ||
294 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
295 {
296 wxFAIL_MSG( wxT("wxToolBar creation failed") );
297
298 return FALSE;
299 }
300
301 #ifdef __WXGTK20__
302 m_toolbar = GTK_TOOLBAR( gtk_toolbar_new() );
303 GtkSetStyle();
304
305 // Doesn't work this way.
306 // GtkToolbarSpaceStyle space_style = GTK_TOOLBAR_SPACE_EMPTY;
307 // gtk_widget_style_set (GTK_WIDGET (m_toolbar), "space_style", &space_style, NULL);
308 #else
309 GtkOrientation orient;
310 GtkToolbarStyle gtkStyle;
311 GetGtkStyle(style, &orient, &gtkStyle);
312
313 m_toolbar = GTK_TOOLBAR( gtk_toolbar_new(orient, gtkStyle) );
314 #endif
315
316 SetToolSeparation(7);
317
318 if (style & wxTB_DOCKABLE)
319 {
320 m_widget = gtk_handle_box_new();
321 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
322 gtk_widget_show( GTK_WIDGET(m_toolbar) );
323
324 if (style & wxTB_FLAT)
325 gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
326 }
327 else
328 {
329 m_widget = gtk_event_box_new();
330 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
331 ConnectWidget( m_widget );
332 gtk_widget_show(GTK_WIDGET(m_toolbar));
333 }
334
335 gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
336
337 // FIXME: there is no such function for toolbars in 2.0
338 #ifndef __WXGTK20__
339 if (style & wxTB_FLAT)
340 gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
341 #endif
342
343 m_parent->DoAddChild( this );
344
345 PostCreation(size);
346
347 return TRUE;
348 }
349
350 void wxToolBar::GtkSetStyle()
351 {
352 GtkOrientation orient;
353 GtkToolbarStyle style;
354 GetGtkStyle(GetWindowStyle(), &orient, &style);
355
356 gtk_toolbar_set_orientation(m_toolbar, orient);
357 gtk_toolbar_set_style(m_toolbar, style);
358 }
359
360 void wxToolBar::SetWindowStyleFlag( long style )
361 {
362 wxToolBarBase::SetWindowStyleFlag(style);
363
364 if ( m_toolbar )
365 GtkSetStyle();
366 }
367
368 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
369 {
370 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
371
372 #ifndef __WXGTK20__
373 // if we have inserted a space before all the tools we must change the GTK
374 // index by 1
375 size_t posGtk = m_xMargin > 1 ? pos + 1 : pos;
376 #else
377 size_t posGtk = pos;
378 #endif
379
380 if ( tool->IsButton() )
381 {
382 if ( !HasFlag(wxTB_NOICONS) )
383 {
384 wxBitmap bitmap = tool->GetNormalBitmap();
385
386 wxCHECK_MSG( bitmap.Ok(), FALSE,
387 wxT("invalid bitmap for wxToolBar icon") );
388
389 wxCHECK_MSG( bitmap.GetBitmap() == NULL, FALSE,
390 wxT("wxToolBar doesn't support GdkBitmap") );
391
392 wxCHECK_MSG( bitmap.GetPixmap() != NULL, FALSE,
393 wxT("wxToolBar::Add needs a wxBitmap") );
394
395 GtkWidget *tool_pixmap = (GtkWidget *)NULL;
396
397
398 #ifdef __WXGTK20__
399 if (bitmap.HasPixbuf())
400 {
401 tool_pixmap = gtk_image_new();
402 tool->m_pixmap = tool_pixmap;
403 tool->SetPixmap(bitmap);
404 }
405 else
406 #endif
407 {
408 GdkPixmap *pixmap = bitmap.GetPixmap();
409
410 GdkBitmap *mask = (GdkBitmap *)NULL;
411 if ( bitmap.GetMask() )
412 mask = bitmap.GetMask()->GetBitmap();
413
414 tool_pixmap = gtk_pixmap_new( pixmap, mask );
415 gtk_pixmap_set_build_insensitive( GTK_PIXMAP(tool_pixmap), TRUE );
416 }
417
418 gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );
419
420 tool->m_pixmap = tool_pixmap;
421 }
422 }
423
424 switch ( tool->GetStyle() )
425 {
426 case wxTOOL_STYLE_BUTTON:
427 // for a radio button we need the widget which starts the radio
428 // group it belongs to, i.e. the first radio button immediately
429 // preceding this one
430 {
431 GtkWidget *widget = NULL;
432
433 if ( tool->IsRadio() )
434 {
435 wxToolBarToolsList::compatibility_iterator node
436 = wxToolBarToolsList::compatibility_iterator();
437 if ( pos ) node = m_tools.Item(pos - 1);
438
439 while ( node )
440 {
441 wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
442 if ( !tool->IsRadio() )
443 break;
444
445 widget = tool->m_item;
446
447 node = node->GetPrevious();
448 }
449
450 if ( !widget )
451 {
452 // this is the first button in the radio button group,
453 // it will be toggled automatically by GTK so bring the
454 // internal flag in sync
455 tool->Toggle(TRUE);
456 }
457 }
458
459 tool->m_item = gtk_toolbar_insert_element
460 (
461 m_toolbar,
462 tool->GetGtkChildType(),
463 widget,
464 tool->GetLabel().empty()
465 ? NULL
466 : (const char*) wxGTK_CONV( tool->GetLabel() ),
467 tool->GetShortHelp().empty()
468 ? NULL
469 : (const char*) wxGTK_CONV( tool->GetShortHelp() ),
470 "", // tooltip_private_text (?)
471 tool->m_pixmap,
472 (GtkSignalFunc)gtk_toolbar_callback,
473 (gpointer)tool,
474 posGtk
475 );
476
477 if ( !tool->m_item )
478 {
479 wxFAIL_MSG( _T("gtk_toolbar_insert_element() failed") );
480
481 return FALSE;
482 }
483
484 gtk_signal_connect( GTK_OBJECT(tool->m_item),
485 "enter_notify_event",
486 GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
487 (gpointer)tool );
488 gtk_signal_connect( GTK_OBJECT(tool->m_item),
489 "leave_notify_event",
490 GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
491 (gpointer)tool );
492 }
493 break;
494
495 case wxTOOL_STYLE_SEPARATOR:
496 gtk_toolbar_insert_space( m_toolbar, posGtk );
497
498 // skip the rest
499 return TRUE;
500
501 case wxTOOL_STYLE_CONTROL:
502 gtk_toolbar_insert_widget(
503 m_toolbar,
504 tool->GetControl()->m_widget,
505 (const char *) NULL,
506 (const char *) NULL,
507 posGtk
508 );
509 break;
510 }
511
512 GtkRequisition req;
513 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
514 (m_widget, &req );
515 m_width = req.width + m_xMargin;
516 m_height = req.height + 2*m_yMargin;
517 InvalidateBestSize();
518
519 return TRUE;
520 }
521
522 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *toolBase)
523 {
524 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
525
526 switch ( tool->GetStyle() )
527 {
528 case wxTOOL_STYLE_CONTROL:
529 tool->GetControl()->Destroy();
530 break;
531
532 case wxTOOL_STYLE_BUTTON:
533 gtk_widget_destroy( tool->m_item );
534 break;
535
536 #ifdef __WXGTK20__
537 case wxTOOL_STYLE_SEPARATOR:
538 gtk_toolbar_remove_space( m_toolbar, pos );
539 break;
540 #endif
541 }
542
543 InvalidateBestSize();
544 return TRUE;
545 }
546
547 // ----------------------------------------------------------------------------
548 // wxToolBar tools state
549 // ----------------------------------------------------------------------------
550
551 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
552 {
553 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
554
555 if (tool->m_item)
556 {
557 gtk_widget_set_sensitive( tool->m_item, enable );
558 }
559 }
560
561 void wxToolBar::DoToggleTool( wxToolBarToolBase *toolBase, bool toggle )
562 {
563 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
564
565 GtkWidget *item = tool->m_item;
566 if ( item && GTK_IS_TOGGLE_BUTTON(item) )
567 {
568 tool->SetPixmap(tool->GetBitmap());
569
570 m_blockEvent = TRUE;
571
572 gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(item), toggle );
573
574 m_blockEvent = FALSE;
575 }
576 }
577
578 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
579 bool WXUNUSED(toggle))
580 {
581 // VZ: absolutely no idea about how to do it
582 wxFAIL_MSG( _T("not implemented") );
583 }
584
585 // ----------------------------------------------------------------------------
586 // wxToolBar geometry
587 // ----------------------------------------------------------------------------
588
589 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
590 wxCoord WXUNUSED(y)) const
591 {
592 // VZ: GTK+ doesn't seem to have such thing
593 wxFAIL_MSG( _T("wxToolBar::FindToolForPosition() not implemented") );
594
595 return (wxToolBarToolBase *)NULL;
596 }
597
598 void wxToolBar::SetMargins( int x, int y )
599 {
600 wxCHECK_RET( GetToolsCount() == 0,
601 wxT("wxToolBar::SetMargins must be called before adding tools.") );
602
603 #ifndef __WXGTK20__
604 if (x > 1)
605 gtk_toolbar_append_space( m_toolbar ); // oh well
606 #endif
607
608 m_xMargin = x;
609 m_yMargin = y;
610 }
611
612 void wxToolBar::SetToolSeparation( int separation )
613 {
614 // FIXME: this function disappeared
615 #ifndef __WXGTK20__
616 gtk_toolbar_set_space_size( m_toolbar, separation );
617 #endif
618
619 m_toolSeparation = separation;
620 }
621
622 void wxToolBar::SetToolShortHelp( int id, const wxString& helpString )
623 {
624 wxToolBarTool *tool = (wxToolBarTool *)FindById(id);
625
626 if ( tool )
627 {
628 (void)tool->SetShortHelp(helpString);
629 gtk_tooltips_set_tip(m_toolbar->tooltips, tool->m_item,
630 wxGTK_CONV( helpString ), "");
631 }
632 }
633
634 // ----------------------------------------------------------------------------
635 // wxToolBar idle handling
636 // ----------------------------------------------------------------------------
637
638 void wxToolBar::OnInternalIdle()
639 {
640 wxCursor cursor = m_cursor;
641 if (g_globalCursor.Ok()) cursor = g_globalCursor;
642
643 if (cursor.Ok())
644 {
645 /* I now set the cursor the anew in every OnInternalIdle call
646 as setting the cursor in a parent window also effects the
647 windows above so that checking for the current cursor is
648 not possible. */
649
650 if (HasFlag(wxTB_DOCKABLE) && (m_widget->window))
651 {
652 /* if the toolbar is dockable, then m_widget stands for the
653 GtkHandleBox widget, which uses its own window so that we
654 can set the cursor for it. if the toolbar is not dockable,
655 m_widget comes from m_toolbar which uses its parent's
656 window ("windowless windows") and thus we cannot set the
657 cursor. */
658 gdk_window_set_cursor( m_widget->window, cursor.GetCursor() );
659 }
660
661 wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
662 while ( node )
663 {
664 wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
665 node = node->GetNext();
666
667 GtkWidget *item = tool->m_item;
668 if ( item )
669 {
670 GdkWindow *window = item->window;
671
672 if ( window )
673 {
674 gdk_window_set_cursor( window, cursor.GetCursor() );
675 }
676 }
677 }
678 }
679
680 if (wxUpdateUIEvent::CanUpdate(this))
681 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
682 }
683
684
685 // ----------------------------------------------------------------------------
686
687 // static
688 wxVisualAttributes
689 wxToolBar::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
690 {
691 #ifdef __WXGTK20__
692 return GetDefaultAttributesFromGTKWidget(gtk_toolbar_new);
693 #else
694 wxVisualAttributes attr;
695 GtkWidget* widget = gtk_toolbar_new(GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
696 attr = GetDefaultAttributesFromGTKWidget(widget);
697 gtk_widget_destroy(widget);
698 return attr;
699 #endif
700 }
701
702 #endif // wxUSE_TOOLBAR_NATIVE