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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 wxWindows 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 GtkWidget *m_item;
132 GtkWidget *m_pixmap;
133
134 protected:
135 void Init();
136 };
137
138 // ----------------------------------------------------------------------------
139 // wxWin macros
140 // ----------------------------------------------------------------------------
141
142 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
143
144 // ============================================================================
145 // implementation
146 // ============================================================================
147
148 //-----------------------------------------------------------------------------
149 // "clicked" (internal from gtk_toolbar)
150 //-----------------------------------------------------------------------------
151
152 static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget),
153 wxToolBarTool *tool )
154 {
155 if (g_isIdle)
156 wxapp_install_idle_handler();
157
158 wxToolBar *tbar = (wxToolBar *)tool->GetToolBar();
159
160 if (tbar->m_blockEvent) return;
161
162 if (g_blockEventsOnDrag) return;
163 if (!tool->IsEnabled()) return;
164
165 if (tool->CanBeToggled())
166 {
167 tool->Toggle();
168
169 wxBitmap bitmap = tool->GetBitmap();
170 if ( bitmap.Ok() )
171 {
172 GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
173
174 GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
175 : (GdkBitmap *)NULL;
176
177 gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
178 }
179
180 if ( tool->IsRadio() && !tool->IsToggled() )
181 {
182 // radio button went up, don't report this as a wxWin event
183 return;
184 }
185 }
186
187 tbar->OnLeftClick( tool->GetId(), tool->IsToggled() );
188 }
189
190 //-----------------------------------------------------------------------------
191 // "enter_notify_event" / "leave_notify_event"
192 //-----------------------------------------------------------------------------
193
194 static gint gtk_toolbar_tool_callback( GtkWidget *WXUNUSED(widget),
195 GdkEventCrossing *gdk_event,
196 wxToolBarTool *tool )
197 {
198 if (g_isIdle) wxapp_install_idle_handler();
199
200 if (g_blockEventsOnDrag) return TRUE;
201
202 wxToolBar *tb = (wxToolBar *)tool->GetToolBar();
203
204 // emit the event
205 if( gdk_event->type == GDK_ENTER_NOTIFY )
206 tb->OnMouseEnter( tool->GetId() );
207 else
208 tb->OnMouseEnter( -1 );
209
210 return FALSE;
211 }
212
213 //-----------------------------------------------------------------------------
214 // InsertChild callback for wxToolBar
215 //-----------------------------------------------------------------------------
216
217 static void wxInsertChildInToolBar( wxToolBar* WXUNUSED(parent),
218 wxWindow* WXUNUSED(child) )
219 {
220 // we don't do anything here
221 }
222
223 // ----------------------------------------------------------------------------
224 // wxToolBarTool
225 // ----------------------------------------------------------------------------
226
227 void wxToolBarTool::Init()
228 {
229 m_item =
230 m_pixmap = (GtkWidget *)NULL;
231 }
232
233 wxToolBarToolBase *wxToolBar::CreateTool(int id,
234 const wxString& text,
235 const wxBitmap& bitmap1,
236 const wxBitmap& bitmap2,
237 wxItemKind kind,
238 wxObject *clientData,
239 const wxString& shortHelpString,
240 const wxString& longHelpString)
241 {
242 return new wxToolBarTool(this, id, text, bitmap1, bitmap2, kind,
243 clientData, shortHelpString, longHelpString);
244 }
245
246 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
247 {
248 return new wxToolBarTool(this, control);
249 }
250
251 //-----------------------------------------------------------------------------
252 // wxToolBar construction
253 //-----------------------------------------------------------------------------
254
255 void wxToolBar::Init()
256 {
257 m_fg =
258 m_bg = (GdkColor *)NULL;
259 m_toolbar = (GtkToolbar *)NULL;
260 m_blockEvent = FALSE;
261 m_defaultWidth = 32;
262 m_defaultHeight = 32;
263 }
264
265 wxToolBar::~wxToolBar()
266 {
267 delete m_fg;
268 delete m_bg;
269 }
270
271 bool wxToolBar::Create( wxWindow *parent,
272 wxWindowID id,
273 const wxPoint& pos,
274 const wxSize& size,
275 long style,
276 const wxString& name )
277 {
278 m_needParent = TRUE;
279 m_insertCallback = (wxInsertChildFunction)wxInsertChildInToolBar;
280
281 if ( !PreCreation( parent, pos, size ) ||
282 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
283 {
284 wxFAIL_MSG( wxT("wxToolBar creation failed") );
285
286 return FALSE;
287 }
288
289 #ifdef __WXGTK20__
290 m_toolbar = GTK_TOOLBAR( gtk_toolbar_new() );
291 GtkSetStyle();
292
293 // Doesn't work this way.
294 // GtkToolbarSpaceStyle space_style = GTK_TOOLBAR_SPACE_EMPTY;
295 // gtk_widget_style_set (GTK_WIDGET (m_toolbar), "space_style", &space_style, NULL);
296 #else
297 GtkOrientation orient;
298 GtkToolbarStyle gtkStyle;
299 GetGtkStyle(style, &orient, &gtkStyle);
300
301 m_toolbar = GTK_TOOLBAR( gtk_toolbar_new(orient, gtkStyle) );
302 #endif
303
304 SetToolSeparation(7);
305
306 if (style & wxTB_DOCKABLE)
307 {
308 m_widget = gtk_handle_box_new();
309 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
310 gtk_widget_show( GTK_WIDGET(m_toolbar) );
311
312 if (style & wxTB_FLAT)
313 gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
314 }
315 else
316 {
317 m_widget = gtk_event_box_new();
318 gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
319 ConnectWidget( m_widget );
320 gtk_widget_show(GTK_WIDGET(m_toolbar));
321 }
322
323 gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
324
325 // FIXME: there is no such function for toolbars in 2.0
326 #ifndef __WXGTK20__
327 if (style & wxTB_FLAT)
328 gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
329 #endif
330
331
332 m_fg = new GdkColor;
333 m_fg->red = 0;
334 m_fg->green = 0;
335 m_fg->blue = 0;
336 wxColour fg(0,0,0);
337 fg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
338 m_fg->pixel = fg.GetPixel();
339
340 m_bg = new GdkColor;
341 m_bg->red = 65535;
342 m_bg->green = 65535;
343 m_bg->blue = 49980;
344 wxColour bg(255,255,196);
345 bg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
346 m_bg->pixel = bg.GetPixel();
347
348 gtk_tooltips_force_window( GTK_TOOLBAR(m_toolbar)->tooltips );
349
350 GtkStyle *g_style =
351 gtk_style_copy(
352 gtk_widget_get_style(
353 GTK_TOOLBAR(m_toolbar)->tooltips->tip_window ) );
354
355 g_style->bg[GTK_STATE_NORMAL] = *m_bg;
356
357 gtk_widget_set_style( GTK_TOOLBAR(m_toolbar)->tooltips->tip_window, g_style );
358
359 m_parent->DoAddChild( this );
360
361 PostCreation();
362
363 Show( TRUE );
364
365 return TRUE;
366 }
367
368 void wxToolBar::GtkSetStyle()
369 {
370 GtkOrientation orient;
371 GtkToolbarStyle style;
372 GetGtkStyle(GetWindowStyle(), &orient, &style);
373
374 gtk_toolbar_set_orientation(m_toolbar, orient);
375 gtk_toolbar_set_style(m_toolbar, style);
376 }
377
378 void wxToolBar::SetWindowStyleFlag( long style )
379 {
380 wxToolBarBase::SetWindowStyleFlag(style);
381
382 if ( m_toolbar )
383 GtkSetStyle();
384 }
385
386 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
387 {
388 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
389
390 #ifndef __WXGTK20__
391 // if we have inserted a space before all the tools we must change the GTK
392 // index by 1
393 size_t posGtk = m_xMargin > 1 ? pos + 1 : pos;
394 #else
395 size_t posGtk = pos;
396 #endif
397
398 if ( tool->IsButton() )
399 {
400 if ( !HasFlag(wxTB_NOICONS) )
401 {
402 wxBitmap bitmap = tool->GetNormalBitmap();
403
404 wxCHECK_MSG( bitmap.Ok(), FALSE,
405 wxT("invalid bitmap for wxToolBar icon") );
406
407 wxCHECK_MSG( bitmap.GetBitmap() == NULL, FALSE,
408 wxT("wxToolBar doesn't support GdkBitmap") );
409
410 wxCHECK_MSG( bitmap.GetPixmap() != NULL, FALSE,
411 wxT("wxToolBar::Add needs a wxBitmap") );
412
413 GtkWidget *tool_pixmap = (GtkWidget *)NULL;
414
415 GdkPixmap *pixmap = bitmap.GetPixmap();
416
417 GdkBitmap *mask = (GdkBitmap *)NULL;
418 if ( bitmap.GetMask() )
419 mask = bitmap.GetMask()->GetBitmap();
420
421 tool_pixmap = gtk_pixmap_new( pixmap, mask );
422 gtk_pixmap_set_build_insensitive( GTK_PIXMAP(tool_pixmap), TRUE );
423
424 gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );
425
426 tool->m_pixmap = tool_pixmap;
427 }
428 }
429
430 switch ( tool->GetStyle() )
431 {
432 case wxTOOL_STYLE_BUTTON:
433 // for a radio button we need the widget which starts the radio
434 // group it belongs to, i.e. the first radio button immediately
435 // preceding this one
436 {
437 GtkWidget *widget = NULL;
438
439 if ( tool->IsRadio() )
440 {
441 wxToolBarToolsList::compatibility_iterator node
442 = wxToolBarToolsList::compatibility_iterator();
443 if ( pos ) node = m_tools.Item(pos - 1);
444
445 while ( node )
446 {
447 wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
448 if ( !tool->IsRadio() )
449 break;
450
451 widget = tool->m_item;
452
453 node = node->GetPrevious();
454 }
455
456 if ( !widget )
457 {
458 // this is the first button in the radio button group,
459 // it will be toggled automatically by GTK so bring the
460 // internal flag in sync
461 tool->Toggle(TRUE);
462 }
463 }
464
465 tool->m_item = gtk_toolbar_insert_element
466 (
467 m_toolbar,
468 tool->GetGtkChildType(),
469 widget,
470 tool->GetLabel().empty()
471 ? NULL
472 : (const char*) wxGTK_CONV( tool->GetLabel() ),
473 tool->GetShortHelp().empty()
474 ? NULL
475 : (const char*) wxGTK_CONV( tool->GetShortHelp() ),
476 "", // tooltip_private_text (?)
477 tool->m_pixmap,
478 (GtkSignalFunc)gtk_toolbar_callback,
479 (gpointer)tool,
480 posGtk
481 );
482
483 if ( !tool->m_item )
484 {
485 wxFAIL_MSG( _T("gtk_toolbar_insert_element() failed") );
486
487 return FALSE;
488 }
489
490 gtk_signal_connect( GTK_OBJECT(tool->m_item),
491 "enter_notify_event",
492 GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
493 (gpointer)tool );
494 gtk_signal_connect( GTK_OBJECT(tool->m_item),
495 "leave_notify_event",
496 GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
497 (gpointer)tool );
498 }
499 break;
500
501 case wxTOOL_STYLE_SEPARATOR:
502 gtk_toolbar_insert_space( m_toolbar, posGtk );
503
504 // skip the rest
505 return TRUE;
506
507 case wxTOOL_STYLE_CONTROL:
508 gtk_toolbar_insert_widget(
509 m_toolbar,
510 tool->GetControl()->m_widget,
511 (const char *) NULL,
512 (const char *) NULL,
513 posGtk
514 );
515 break;
516 }
517
518 GtkRequisition req;
519 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
520 (m_widget, &req );
521 m_width = req.width + m_xMargin;
522 m_height = req.height + 2*m_yMargin;
523
524 return TRUE;
525 }
526
527 bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *toolBase)
528 {
529 wxToolBarTool *tool = (wxToolBarTool *)toolBase;
530
531 switch ( tool->GetStyle() )
532 {
533 case wxTOOL_STYLE_CONTROL:
534 tool->GetControl()->Destroy();
535 break;
536
537 case wxTOOL_STYLE_BUTTON:
538 gtk_widget_destroy( tool->m_item );
539 break;
540
541 //case wxTOOL_STYLE_SEPARATOR: -- nothing to do
542 }
543
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 wxBitmap bitmap = tool->GetBitmap();
569 if ( bitmap.Ok() )
570 {
571 GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
572
573 GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
574 : (GdkBitmap *)NULL;
575
576 gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
577 }
578
579 m_blockEvent = TRUE;
580
581 gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(item), toggle );
582
583 m_blockEvent = FALSE;
584 }
585 }
586
587 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
588 bool WXUNUSED(toggle))
589 {
590 // VZ: absolutely no idea about how to do it
591 wxFAIL_MSG( _T("not implemented") );
592 }
593
594 // ----------------------------------------------------------------------------
595 // wxToolBar geometry
596 // ----------------------------------------------------------------------------
597
598 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
599 wxCoord WXUNUSED(y)) const
600 {
601 // VZ: GTK+ doesn't seem to have such thing
602 wxFAIL_MSG( _T("wxToolBar::FindToolForPosition() not implemented") );
603
604 return (wxToolBarToolBase *)NULL;
605 }
606
607 void wxToolBar::SetMargins( int x, int y )
608 {
609 wxCHECK_RET( GetToolsCount() == 0,
610 wxT("wxToolBar::SetMargins must be called before adding tools.") );
611
612 #ifndef __WXGTK20__
613 if (x > 1)
614 gtk_toolbar_append_space( m_toolbar ); // oh well
615 #endif
616
617 m_xMargin = x;
618 m_yMargin = y;
619 }
620
621 void wxToolBar::SetToolSeparation( int separation )
622 {
623 // FIXME: this function disappeared
624 #ifndef __WXGTK20__
625 gtk_toolbar_set_space_size( m_toolbar, separation );
626 #endif
627
628 m_toolSeparation = separation;
629 }
630
631 void wxToolBar::SetToolShortHelp( int id, const wxString& helpString )
632 {
633 wxToolBarTool *tool = (wxToolBarTool *)FindById(id);
634
635 if ( tool )
636 {
637 (void)tool->SetShortHelp(helpString);
638 gtk_tooltips_set_tip(m_toolbar->tooltips, tool->m_item,
639 wxGTK_CONV( helpString ), "");
640 }
641 }
642
643 // ----------------------------------------------------------------------------
644 // wxToolBar idle handling
645 // ----------------------------------------------------------------------------
646
647 void wxToolBar::OnInternalIdle()
648 {
649 wxCursor cursor = m_cursor;
650 if (g_globalCursor.Ok()) cursor = g_globalCursor;
651
652 if (cursor.Ok())
653 {
654 /* I now set the cursor the anew in every OnInternalIdle call
655 as setting the cursor in a parent window also effects the
656 windows above so that checking for the current cursor is
657 not possible. */
658
659 if (HasFlag(wxTB_DOCKABLE) && (m_widget->window))
660 {
661 /* if the toolbar is dockable, then m_widget stands for the
662 GtkHandleBox widget, which uses its own window so that we
663 can set the cursor for it. if the toolbar is not dockable,
664 m_widget comes from m_toolbar which uses its parent's
665 window ("windowless windows") and thus we cannot set the
666 cursor. */
667 gdk_window_set_cursor( m_widget->window, cursor.GetCursor() );
668 }
669
670 wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
671 while ( node )
672 {
673 wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
674 node = node->GetNext();
675
676 GtkWidget *item = tool->m_item;
677 if ( item )
678 {
679 GdkWindow *window = item->window;
680
681 if ( window )
682 {
683 gdk_window_set_cursor( window, cursor.GetCursor() );
684 }
685 }
686 }
687 }
688
689 if (wxUpdateUIEvent::CanUpdate(this))
690 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
691 }
692
693 #endif // wxUSE_TOOLBAR_NATIVE