The rounded corners look really dumb at this size.
[wxWidgets.git] / src / richtext / richtextstyles.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/richtext/richtextstyles.cpp
3 // Purpose: Style management for wxRichTextCtrl
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 2005-09-30
7 // Copyright: (c) Julian Smart
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_RICHTEXT
19
20 #include "wx/richtext/richtextstyles.h"
21
22 #ifndef WX_PRECOMP
23 #include "wx/wx.h"
24 #endif
25
26 #include "wx/filename.h"
27 #include "wx/clipbrd.h"
28 #include "wx/wfstream.h"
29 #include "wx/settings.h"
30
31 #include "wx/richtext/richtextctrl.h"
32
33 IMPLEMENT_CLASS(wxRichTextStyleDefinition, wxObject)
34 IMPLEMENT_CLASS(wxRichTextCharacterStyleDefinition, wxRichTextStyleDefinition)
35 IMPLEMENT_CLASS(wxRichTextParagraphStyleDefinition, wxRichTextStyleDefinition)
36 IMPLEMENT_CLASS(wxRichTextListStyleDefinition, wxRichTextParagraphStyleDefinition)
37 IMPLEMENT_CLASS(wxRichTextBoxStyleDefinition, wxRichTextStyleDefinition)
38
39 /*!
40 * A definition
41 */
42
43 void wxRichTextStyleDefinition::Copy(const wxRichTextStyleDefinition& def)
44 {
45 m_name = def.m_name;
46 m_baseStyle = def.m_baseStyle;
47 m_style = def.m_style;
48 m_description = def.m_description;
49 m_properties = def.m_properties;
50 }
51
52 bool wxRichTextStyleDefinition::Eq(const wxRichTextStyleDefinition& def) const
53 {
54 return (m_name == def.m_name && m_baseStyle == def.m_baseStyle && m_style == def.m_style && m_properties == def.m_properties);
55 }
56
57 /// Gets the style combined with the base style
58 wxRichTextAttr wxRichTextStyleDefinition::GetStyleMergedWithBase(const wxRichTextStyleSheet* sheet) const
59 {
60 if (m_baseStyle.IsEmpty())
61 return m_style;
62
63 bool isParaStyle = IsKindOf(wxCLASSINFO(wxRichTextParagraphStyleDefinition));
64 bool isCharStyle = IsKindOf(wxCLASSINFO(wxRichTextCharacterStyleDefinition));
65 bool isListStyle = IsKindOf(wxCLASSINFO(wxRichTextListStyleDefinition));
66 bool isBoxStyle = IsKindOf(wxCLASSINFO(wxRichTextBoxStyleDefinition));
67
68 // Collect the styles, detecting loops
69 wxArrayString styleNames;
70 wxList styles;
71 const wxRichTextStyleDefinition* def = this;
72 while (def)
73 {
74 styles.Insert((wxObject*) def);
75 styleNames.Add(def->GetName());
76
77 wxString baseStyleName = def->GetBaseStyle();
78 if (!baseStyleName.IsEmpty() && styleNames.Index(baseStyleName) == wxNOT_FOUND)
79 {
80 if (isParaStyle)
81 def = sheet->FindParagraphStyle(baseStyleName);
82 else if (isCharStyle)
83 def = sheet->FindCharacterStyle(baseStyleName);
84 else if (isListStyle)
85 def = sheet->FindListStyle(baseStyleName);
86 else if (isBoxStyle)
87 def = sheet->FindBoxStyle(baseStyleName);
88 else
89 def = sheet->FindStyle(baseStyleName);
90 }
91 else
92 def = NULL;
93 }
94
95 wxRichTextAttr attr;
96 wxList::compatibility_iterator node = styles.GetFirst();
97 while (node)
98 {
99 wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
100 attr.Apply(def->GetStyle(), NULL);
101 node = node->GetNext();
102 }
103
104 return attr;
105 }
106
107 /*!
108 * Paragraph style definition
109 */
110
111 void wxRichTextParagraphStyleDefinition::Copy(const wxRichTextParagraphStyleDefinition& def)
112 {
113 wxRichTextStyleDefinition::Copy(def);
114
115 m_nextStyle = def.m_nextStyle;
116 }
117
118 bool wxRichTextParagraphStyleDefinition::operator ==(const wxRichTextParagraphStyleDefinition& def) const
119 {
120 return (Eq(def) && m_nextStyle == def.m_nextStyle);
121 }
122
123 /*!
124 * Box style definition
125 */
126
127 void wxRichTextBoxStyleDefinition::Copy(const wxRichTextBoxStyleDefinition& def)
128 {
129 wxRichTextStyleDefinition::Copy(def);
130 }
131
132 bool wxRichTextBoxStyleDefinition::operator ==(const wxRichTextBoxStyleDefinition& def) const
133 {
134 return (Eq(def));
135 }
136
137 /*!
138 * List style definition
139 */
140
141 void wxRichTextListStyleDefinition::Copy(const wxRichTextListStyleDefinition& def)
142 {
143 wxRichTextParagraphStyleDefinition::Copy(def);
144
145 int i;
146 for (i = 0; i < 10; i++)
147 m_levelStyles[i] = def.m_levelStyles[i];
148 }
149
150 bool wxRichTextListStyleDefinition::operator ==(const wxRichTextListStyleDefinition& def) const
151 {
152 if (!Eq(def))
153 return false;
154 int i;
155 for (i = 0; i < 10; i++)
156 if (!(m_levelStyles[i] == def.m_levelStyles[i]))
157 return false;
158
159 return true;
160 }
161
162 /// Sets/gets the attributes for the given level
163 void wxRichTextListStyleDefinition::SetLevelAttributes(int i, const wxRichTextAttr& attr)
164 {
165 wxASSERT( (i >= 0 && i < 10) );
166 if (i >= 0 && i < 10)
167 m_levelStyles[i] = attr;
168 }
169
170 const wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i) const
171 {
172 wxASSERT( (i >= 0 && i < 10) );
173 if (i >= 0 && i < 10)
174 return & m_levelStyles[i];
175 else
176 return NULL;
177 }
178
179 wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i)
180 {
181 wxASSERT( (i >= 0 && i < 10) );
182 if (i >= 0 && i < 10)
183 return & m_levelStyles[i];
184 else
185 return NULL;
186 }
187
188 /// Convenience function for setting the major attributes for a list level specification
189 void wxRichTextListStyleDefinition::SetAttributes(int i, int leftIndent, int leftSubIndent, int bulletStyle, const wxString& bulletSymbol)
190 {
191 wxASSERT( (i >= 0 && i < 10) );
192 if (i >= 0 && i < 10)
193 {
194 wxRichTextAttr attr;
195
196 attr.SetBulletStyle(bulletStyle);
197 attr.SetLeftIndent(leftIndent, leftSubIndent);
198
199 if (!bulletSymbol.IsEmpty())
200 {
201 if (bulletStyle & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
202 attr.SetBulletText(bulletSymbol);
203 else
204 attr.SetBulletName(bulletSymbol);
205 }
206
207 m_levelStyles[i] = attr;
208 }
209 }
210
211 /// Finds the level corresponding to the given indentation
212 int wxRichTextListStyleDefinition::FindLevelForIndent(int indent) const
213 {
214 int i;
215 for (i = 0; i < 10; i++)
216 {
217 if (indent < m_levelStyles[i].GetLeftIndent())
218 {
219 if (i > 0)
220 return i - 1;
221 else
222 return 0;
223 }
224 }
225 return 9;
226 }
227
228 /// Combine the list style with a paragraph style, using the given indent (from which
229 /// an appropriate level is found)
230 wxRichTextAttr wxRichTextListStyleDefinition::CombineWithParagraphStyle(int indent, const wxRichTextAttr& paraStyle, wxRichTextStyleSheet* styleSheet)
231 {
232 int listLevel = FindLevelForIndent(indent);
233
234 wxRichTextAttr attr(*GetLevelAttributes(listLevel));
235 int oldLeftIndent = attr.GetLeftIndent();
236 int oldLeftSubIndent = attr.GetLeftSubIndent();
237
238 // First apply the overall paragraph style, if any
239 if (styleSheet)
240 attr.Apply(GetStyleMergedWithBase(styleSheet));
241 else
242 attr.Apply(GetStyle());
243
244 // Then apply paragraph style, e.g. from paragraph style definition
245 attr.Apply(paraStyle);
246
247 // We override the indents according to the list definition
248 attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
249
250 return attr;
251 }
252
253 /// Combine the base and list style, using the given indent (from which
254 /// an appropriate level is found)
255 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyle(int indent, wxRichTextStyleSheet* styleSheet)
256 {
257 int listLevel = FindLevelForIndent(indent);
258 return GetCombinedStyleForLevel(listLevel, styleSheet);
259 }
260
261 /// Combine the base and list style, using the given indent (from which
262 /// an appropriate level is found)
263 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyleForLevel(int listLevel, wxRichTextStyleSheet* styleSheet)
264 {
265 wxRichTextAttr attr(*GetLevelAttributes(listLevel));
266 int oldLeftIndent = attr.GetLeftIndent();
267 int oldLeftSubIndent = attr.GetLeftSubIndent();
268
269 // Apply the overall paragraph style, if any
270 if (styleSheet)
271 attr.Apply(GetStyleMergedWithBase(styleSheet));
272 else
273 attr.Apply(GetStyle());
274
275 // We override the indents according to the list definition
276 attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
277
278 return attr;
279 }
280
281 /// Is this a numbered list?
282 bool wxRichTextListStyleDefinition::IsNumbered(int i) const
283 {
284 return (0 != (GetLevelAttributes(i)->GetFlags() &
285 (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER|wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|
286 wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)));
287 }
288
289 /*!
290 * The style manager
291 */
292
293 IMPLEMENT_CLASS(wxRichTextStyleSheet, wxObject)
294
295 wxRichTextStyleSheet::~wxRichTextStyleSheet()
296 {
297 DeleteStyles();
298
299 if (m_nextSheet)
300 m_nextSheet->m_previousSheet = m_previousSheet;
301
302 if (m_previousSheet)
303 m_previousSheet->m_nextSheet = m_nextSheet;
304
305 m_previousSheet = NULL;
306 m_nextSheet = NULL;
307 }
308
309 /// Initialisation
310 void wxRichTextStyleSheet::Init()
311 {
312 m_previousSheet = NULL;
313 m_nextSheet = NULL;
314 }
315
316 /// Add a definition to one of the style lists
317 bool wxRichTextStyleSheet::AddStyle(wxList& list, wxRichTextStyleDefinition* def)
318 {
319 if (!list.Find(def))
320 list.Append(def);
321 return true;
322 }
323
324 /// Remove a style
325 bool wxRichTextStyleSheet::RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle)
326 {
327 wxList::compatibility_iterator node = list.Find(def);
328 if (node)
329 {
330 wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
331 list.Erase(node);
332 if (deleteStyle)
333 delete def;
334 return true;
335 }
336 else
337 return false;
338 }
339
340 /// Remove a style
341 bool wxRichTextStyleSheet::RemoveStyle(wxRichTextStyleDefinition* def, bool deleteStyle)
342 {
343 if (RemoveParagraphStyle(def, deleteStyle))
344 return true;
345 if (RemoveCharacterStyle(def, deleteStyle))
346 return true;
347 if (RemoveListStyle(def, deleteStyle))
348 return true;
349 if (RemoveBoxStyle(def, deleteStyle))
350 return true;
351 return false;
352 }
353
354 /// Find a definition by name
355 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxList& list, const wxString& name, bool recurse) const
356 {
357 for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
358 {
359 wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
360 if (def->GetName() == name)
361 return def;
362 }
363
364 if (m_nextSheet && recurse)
365 return m_nextSheet->FindStyle(list, name, recurse);
366
367 return NULL;
368 }
369
370 /// Delete all styles
371 void wxRichTextStyleSheet::DeleteStyles()
372 {
373 WX_CLEAR_LIST(wxList, m_characterStyleDefinitions);
374 WX_CLEAR_LIST(wxList, m_paragraphStyleDefinitions);
375 WX_CLEAR_LIST(wxList, m_listStyleDefinitions);
376 WX_CLEAR_LIST(wxList, m_boxStyleDefinitions);
377 }
378
379 /// Insert into list of style sheets
380 bool wxRichTextStyleSheet::InsertSheet(wxRichTextStyleSheet* before)
381 {
382 m_previousSheet = before->m_previousSheet;
383 m_nextSheet = before;
384
385 before->m_previousSheet = this;
386 return true;
387 }
388
389 /// Append to list of style sheets
390 bool wxRichTextStyleSheet::AppendSheet(wxRichTextStyleSheet* after)
391 {
392 wxRichTextStyleSheet* last = after;
393 while (last && last->m_nextSheet)
394 {
395 last = last->m_nextSheet;
396 }
397
398 if (last)
399 {
400 m_previousSheet = last;
401 last->m_nextSheet = this;
402
403 return true;
404 }
405 else
406 return false;
407 }
408
409 /// Unlink from the list of style sheets
410 void wxRichTextStyleSheet::Unlink()
411 {
412 if (m_previousSheet)
413 m_previousSheet->m_nextSheet = m_nextSheet;
414 if (m_nextSheet)
415 m_nextSheet->m_previousSheet = m_previousSheet;
416
417 m_previousSheet = NULL;
418 m_nextSheet = NULL;
419 }
420
421 /// Add a definition to the character style list
422 bool wxRichTextStyleSheet::AddCharacterStyle(wxRichTextCharacterStyleDefinition* def)
423 {
424 def->GetStyle().SetCharacterStyleName(def->GetName());
425 return AddStyle(m_characterStyleDefinitions, def);
426 }
427
428 /// Add a definition to the paragraph style list
429 bool wxRichTextStyleSheet::AddParagraphStyle(wxRichTextParagraphStyleDefinition* def)
430 {
431 def->GetStyle().SetParagraphStyleName(def->GetName());
432 return AddStyle(m_paragraphStyleDefinitions, def);
433 }
434
435 /// Add a definition to the list style list
436 bool wxRichTextStyleSheet::AddListStyle(wxRichTextListStyleDefinition* def)
437 {
438 def->GetStyle().SetListStyleName(def->GetName());
439 return AddStyle(m_listStyleDefinitions, def);
440 }
441
442 /// Add a definition to the box style list
443 bool wxRichTextStyleSheet::AddBoxStyle(wxRichTextBoxStyleDefinition* def)
444 {
445 def->GetStyle().GetTextBoxAttr().SetBoxStyleName(def->GetName());
446 return AddStyle(m_boxStyleDefinitions, def);
447 }
448
449 /// Add a definition to the appropriate style list
450 bool wxRichTextStyleSheet::AddStyle(wxRichTextStyleDefinition* def)
451 {
452 wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
453 if (listDef)
454 return AddListStyle(listDef);
455
456 wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
457 if (paraDef)
458 return AddParagraphStyle(paraDef);
459
460 wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
461 if (charDef)
462 return AddCharacterStyle(charDef);
463
464 wxRichTextBoxStyleDefinition* boxDef = wxDynamicCast(def, wxRichTextBoxStyleDefinition);
465 if (boxDef)
466 return AddBoxStyle(boxDef);
467
468 return false;
469 }
470
471 /// Find any definition by name
472 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxString& name, bool recurse) const
473 {
474 wxRichTextListStyleDefinition* listDef = FindListStyle(name, recurse);
475 if (listDef)
476 return listDef;
477
478 wxRichTextParagraphStyleDefinition* paraDef = FindParagraphStyle(name, recurse);
479 if (paraDef)
480 return paraDef;
481
482 wxRichTextCharacterStyleDefinition* charDef = FindCharacterStyle(name, recurse);
483 if (charDef)
484 return charDef;
485
486 wxRichTextBoxStyleDefinition* boxDef = FindBoxStyle(name, recurse);
487 if (boxDef)
488 return boxDef;
489
490 return NULL;
491 }
492
493 /// Copy
494 void wxRichTextStyleSheet::Copy(const wxRichTextStyleSheet& sheet)
495 {
496 DeleteStyles();
497
498 wxList::compatibility_iterator node;
499
500 for (node = sheet.m_characterStyleDefinitions.GetFirst(); node; node = node->GetNext())
501 {
502 wxRichTextCharacterStyleDefinition* def = (wxRichTextCharacterStyleDefinition*) node->GetData();
503 AddCharacterStyle(new wxRichTextCharacterStyleDefinition(*def));
504 }
505
506 for (node = sheet.m_paragraphStyleDefinitions.GetFirst(); node; node = node->GetNext())
507 {
508 wxRichTextParagraphStyleDefinition* def = (wxRichTextParagraphStyleDefinition*) node->GetData();
509 AddParagraphStyle(new wxRichTextParagraphStyleDefinition(*def));
510 }
511
512 for (node = sheet.m_listStyleDefinitions.GetFirst(); node; node = node->GetNext())
513 {
514 wxRichTextListStyleDefinition* def = (wxRichTextListStyleDefinition*) node->GetData();
515 AddListStyle(new wxRichTextListStyleDefinition(*def));
516 }
517
518 for (node = sheet.m_boxStyleDefinitions.GetFirst(); node; node = node->GetNext())
519 {
520 wxRichTextBoxStyleDefinition* def = (wxRichTextBoxStyleDefinition*) node->GetData();
521 AddBoxStyle(new wxRichTextBoxStyleDefinition(*def));
522 }
523
524 SetName(sheet.GetName());
525 SetDescription(sheet.GetDescription());
526 m_properties = sheet.m_properties;
527 }
528
529 /// Equality
530 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
531 {
532 // TODO
533 return false;
534 }
535
536
537 #if wxUSE_HTML
538
539 // Functions for dealing with clashing names for different kinds of style.
540 // Returns "P", "C", "L" or "B" (paragraph, character, list or box) for
541 // style name | type.
542 static wxString wxGetRichTextStyleType(const wxString& style)
543 {
544 return style.AfterLast(wxT('|'));
545 }
546
547 static wxString wxGetRichTextStyle(const wxString& style)
548 {
549 return style.BeforeLast(wxT('|'));
550 }
551
552
553 /*!
554 * wxRichTextStyleListBox: a listbox to display styles.
555 */
556
557 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
558
559 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
560 EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
561 EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
562 EVT_IDLE(wxRichTextStyleListBox::OnIdle)
563 END_EVENT_TABLE()
564
565 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
566 const wxSize& size, long style)
567 {
568 Init();
569 Create(parent, id, pos, size, style);
570 }
571
572 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
573 const wxSize& size, long style)
574 {
575 return wxHtmlListBox::Create(parent, id, pos, size, style);
576 }
577
578 wxRichTextStyleListBox::~wxRichTextStyleListBox()
579 {
580 }
581
582 /// Returns the HTML for this item
583 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
584 {
585 if (!GetStyleSheet())
586 return wxEmptyString;
587
588 wxRichTextStyleDefinition* def = GetStyle(n);
589 if (def)
590 return CreateHTML(def);
591
592 return wxEmptyString;
593 }
594
595 // Get style for index
596 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
597 {
598 if (!GetStyleSheet())
599 return NULL;
600
601 if (i >= m_styleNames.GetCount() /* || i < 0 */ )
602 return NULL;
603
604 wxString styleType = wxGetRichTextStyleType(m_styleNames[i]);
605 wxString style = wxGetRichTextStyle(m_styleNames[i]);
606 if (styleType == wxT("P"))
607 return GetStyleSheet()->FindParagraphStyle(style);
608 else if (styleType == wxT("C"))
609 return GetStyleSheet()->FindCharacterStyle(style);
610 else if (styleType == wxT("L"))
611 return GetStyleSheet()->FindListStyle(style);
612 else if (styleType == wxT("B"))
613 return GetStyleSheet()->FindBoxStyle(style);
614 else
615 return GetStyleSheet()->FindStyle(style);
616 }
617
618 /// Updates the list
619 void wxRichTextStyleListBox::UpdateStyles()
620 {
621 if (GetStyleSheet())
622 {
623 int oldSel = GetSelection();
624
625 SetSelection(wxNOT_FOUND);
626
627 m_styleNames.Clear();
628
629 size_t i;
630 if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
631 {
632 for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
633 m_styleNames.Add(GetStyleSheet()->GetParagraphStyle(i)->GetName() + wxT("|P"));
634 }
635 if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
636 {
637 for (i = 0; i < GetStyleSheet()->GetCharacterStyleCount(); i++)
638 m_styleNames.Add(GetStyleSheet()->GetCharacterStyle(i)->GetName() + wxT("|C"));
639 }
640 if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_LIST)
641 {
642 for (i = 0; i < GetStyleSheet()->GetListStyleCount(); i++)
643 m_styleNames.Add(GetStyleSheet()->GetListStyle(i)->GetName() + wxT("|L"));
644 }
645 if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_BOX)
646 {
647 for (i = 0; i < GetStyleSheet()->GetBoxStyleCount(); i++)
648 m_styleNames.Add(GetStyleSheet()->GetBoxStyle(i)->GetName() + wxT("|B"));
649 }
650
651 m_styleNames.Sort();
652 SetItemCount(m_styleNames.GetCount());
653
654 Refresh();
655
656 int newSel = -1;
657 if (oldSel >= 0 && oldSel < (int) GetItemCount())
658 newSel = oldSel;
659 else if (GetItemCount() > 0)
660 newSel = 0;
661
662 if (newSel >= 0)
663 {
664 SetSelection(newSel);
665 SendSelectedEvent();
666 }
667 }
668 else
669 {
670 m_styleNames.Clear();
671 SetSelection(wxNOT_FOUND);
672 SetItemCount(0);
673 Refresh();
674 }
675 }
676
677 // Get index for style name
678 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
679 {
680 wxString s(name);
681 if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
682 s += wxT("|P");
683 else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
684 s += wxT("|C");
685 else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
686 s += wxT("|L");
687 else if (GetStyleType() == wxRICHTEXT_STYLE_BOX)
688 s += wxT("|B");
689 else
690 {
691 if (m_styleNames.Index(s + wxT("|P")) != wxNOT_FOUND)
692 s += wxT("|P");
693 else if (m_styleNames.Index(s + wxT("|C")) != wxNOT_FOUND)
694 s += wxT("|C");
695 else if (m_styleNames.Index(s + wxT("|L")) != wxNOT_FOUND)
696 s += wxT("|L");
697 else if (m_styleNames.Index(s + wxT("|B")) != wxNOT_FOUND)
698 s += wxT("|B");
699 }
700 return m_styleNames.Index(s);
701 }
702
703 /// Set selection for string
704 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
705 {
706 int i = GetIndexForStyle(name);
707 if (i > -1)
708 {
709 SetSelection(i);
710 if (!IsVisible(i))
711 ScrollToRow(i);
712 }
713 return i;
714 }
715
716 // Convert a colour to a 6-digit hex string
717 static wxString ColourToHexString(const wxColour& col)
718 {
719 wxString hex;
720
721 hex += wxDecToHex(col.Red());
722 hex += wxDecToHex(col.Green());
723 hex += wxDecToHex(col.Blue());
724
725 return hex;
726 }
727
728 /// Creates a suitable HTML fragment for a definition
729 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
730 {
731 // TODO: indicate list format for list style types
732
733 wxString str;
734
735 bool isCentred = false;
736
737 wxRichTextAttr attr(def->GetStyleMergedWithBase(GetStyleSheet()));
738
739 if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
740 isCentred = true;
741
742 str << wxT("<html><head></head>");
743 str << wxT("<body");
744 if (attr.GetBackgroundColour().Ok())
745 str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
746 str << wxT(">");
747
748 if (isCentred)
749 str << wxT("<center>");
750
751 str << wxT("<table");
752 if (attr.GetBackgroundColour().Ok())
753 str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
754
755 str << wxT("><tr>");
756
757 if (attr.GetLeftIndent() > 0)
758 {
759 wxClientDC dc((wxWindow*) this);
760
761 str << wxT("<td width=") << wxMin(50, (ConvertTenthsMMToPixels(dc, attr.GetLeftIndent())/2)) << wxT("></td>");
762 }
763
764 if (isCentred)
765 str << wxT("<td nowrap align=\"center\">");
766 else
767 str << wxT("<td nowrap>");
768
769 #ifdef __WXMSW__
770 int size = 2;
771 #else
772 int size = 3;
773 #endif
774
775 // Guess a standard font size
776 int stdFontSize = 0;
777
778 // First see if we have a default/normal style to base the size on
779 wxString normalTranslated(_("normal"));
780 wxString defaultTranslated(_("default"));
781 size_t i;
782 for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
783 {
784 wxRichTextStyleDefinition* d = GetStyleSheet()->GetParagraphStyle(i);
785 wxString name = d->GetName().Lower();
786 if (name.Find(wxT("normal")) != wxNOT_FOUND || name.Find(normalTranslated) != wxNOT_FOUND ||
787 name.Find(wxT("default")) != wxNOT_FOUND || name.Find(defaultTranslated) != wxNOT_FOUND)
788 {
789 wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
790 if (attr2.HasFontPointSize())
791 {
792 stdFontSize = attr2.GetFontSize();
793 break;
794 }
795 }
796 }
797
798 if (stdFontSize == 0)
799 {
800 // Look at sizes up to 20 points, and see which is the most common
801 wxArrayInt sizes;
802 size_t maxSize = 20;
803 for (i = 0; i <= maxSize; i++)
804 sizes.Add(0);
805 for (i = 0; i < m_styleNames.GetCount(); i++)
806 {
807 wxRichTextStyleDefinition* d = GetStyle(i);
808 if (d)
809 {
810 wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
811 if (attr2.HasFontPointSize())
812 {
813 if (attr2.GetFontSize() <= (int) maxSize)
814 sizes[attr2.GetFontSize()] ++;
815 }
816 }
817 }
818 int mostCommonSize = 0;
819 for (i = 0; i <= maxSize; i++)
820 {
821 if (sizes[i] > mostCommonSize)
822 mostCommonSize = i;
823 }
824 if (mostCommonSize > 0)
825 stdFontSize = mostCommonSize;
826 }
827
828 if (stdFontSize == 0)
829 stdFontSize = 12;
830
831 int thisFontSize = attr.HasFontPointSize() ? attr.GetFontSize() : stdFontSize;
832
833 if (thisFontSize < stdFontSize)
834 size --;
835 else if (thisFontSize > stdFontSize)
836 size ++;
837
838 str += wxT("<font");
839
840 str << wxT(" size=") << size;
841
842 if (!attr.GetFontFaceName().IsEmpty())
843 str << wxT(" face=\"") << attr.GetFontFaceName() << wxT("\"");
844
845 if (attr.GetTextColour().IsOk())
846 str << wxT(" color=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
847
848 if (attr.GetBackgroundColour().Ok())
849 str << wxT(" bgcolor=\"#") << ColourToHexString(attr.GetBackgroundColour()) << wxT("\"");
850
851 str << wxT(">");
852
853 bool hasBold = false;
854 bool hasItalic = false;
855 bool hasUnderline = false;
856
857 if (attr.GetFontWeight() == wxFONTWEIGHT_BOLD)
858 hasBold = true;
859 if (attr.GetFontStyle() == wxFONTSTYLE_ITALIC)
860 hasItalic = true;
861 if (attr.GetFontUnderlined())
862 hasUnderline = true;
863
864 if (hasBold)
865 str << wxT("<b>");
866 if (hasItalic)
867 str << wxT("<i>");
868 if (hasUnderline)
869 str << wxT("<u>");
870
871 str += def->GetName();
872
873 if (hasUnderline)
874 str << wxT("</u>");
875 if (hasItalic)
876 str << wxT("</i>");
877 if (hasBold)
878 str << wxT("</b>");
879
880 if (isCentred)
881 str << wxT("</centre>");
882
883 str << wxT("</font>");
884
885 str << wxT("</td></tr></table>");
886
887 if (isCentred)
888 str << wxT("</center>");
889
890 str << wxT("</body></html>");
891 return str;
892 }
893
894 // Convert units in tends of a millimetre to device units
895 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
896 {
897 int ppi = dc.GetPPI().x;
898
899 // There are ppi pixels in 254.1 "1/10 mm"
900
901 double pixels = ((double) units * (double)ppi) / 254.1;
902
903 return (int) pixels;
904 }
905
906 void wxRichTextStyleListBox::OnLeftDown(wxMouseEvent& event)
907 {
908 wxVListBox::OnLeftDown(event);
909
910 int item = VirtualHitTest(event.GetPosition().y);
911 if (item != wxNOT_FOUND && GetApplyOnSelection())
912 ApplyStyle(item);
913 }
914
915 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
916 {
917 wxVListBox::OnLeftDown(event);
918
919 int item = VirtualHitTest(event.GetPosition().y);
920 if (item != wxNOT_FOUND && !GetApplyOnSelection())
921 ApplyStyle(item);
922 }
923
924 /// Helper for listbox and combo control
925 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
926 {
927 int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
928
929 wxString styleName;
930
931 wxRichTextAttr attr;
932 ctrl->GetStyle(adjustedCaretPos, attr);
933
934 // Take into account current default style just chosen by user
935 if (ctrl->IsDefaultStyleShowing())
936 {
937 wxRichTextApplyStyle(attr, ctrl->GetDefaultStyleEx());
938
939 if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
940 !attr.GetCharacterStyleName().IsEmpty())
941 styleName = attr.GetCharacterStyleName();
942 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
943 !attr.GetParagraphStyleName().IsEmpty())
944 styleName = attr.GetParagraphStyleName();
945 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
946 !attr.GetListStyleName().IsEmpty())
947 styleName = attr.GetListStyleName();
948 // TODO: when we have a concept of focused object (text box), we'll
949 // use the paragraph style name of the focused object as the frame style name.
950 #if 0
951 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_BOX) &&
952 !attr.GetBoxStyleName().IsEmpty())
953 styleName = attr.GetBoxStyleName();
954 #endif
955 }
956 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
957 !attr.GetCharacterStyleName().IsEmpty())
958 {
959 styleName = attr.GetCharacterStyleName();
960 }
961 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
962 !attr.GetParagraphStyleName().IsEmpty())
963 {
964 styleName = attr.GetParagraphStyleName();
965 }
966 else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
967 !attr.GetListStyleName().IsEmpty())
968 {
969 styleName = attr.GetListStyleName();
970 }
971
972 return styleName;
973 }
974
975 /// Auto-select from style under caret in idle time
976 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
977 {
978 if (CanAutoSetSelection() && GetRichTextCtrl() && IsShownOnScreen() && wxWindow::FindFocus() != this)
979 {
980 wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
981
982 int sel = GetSelection();
983 if (!styleName.IsEmpty())
984 {
985 // Don't do the selection if it's already set
986 if (sel == GetIndexForStyle(styleName))
987 return;
988
989 SetStyleSelection(styleName);
990 }
991 else if (sel != -1)
992 SetSelection(-1);
993 }
994 event.Skip();
995 }
996
997 /// Do selection
998 void wxRichTextStyleListBox::ApplyStyle(int item)
999 {
1000 if ( item != wxNOT_FOUND )
1001 {
1002 wxRichTextStyleDefinition* def = GetStyle(item);
1003 if (def && GetRichTextCtrl())
1004 {
1005 GetRichTextCtrl()->ApplyStyle(def);
1006 GetRichTextCtrl()->SetFocus();
1007 }
1008 }
1009 }
1010
1011 /*!
1012 * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
1013 * switch shown style types
1014 */
1015
1016 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
1017
1018 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
1019 EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
1020 EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
1021 END_EVENT_TABLE()
1022
1023 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1024 const wxSize& size, long style)
1025 {
1026 Init();
1027 Create(parent, id, pos, size, style);
1028 }
1029
1030 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1031 const wxSize& size, long style)
1032 {
1033 if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
1034 style |= wxBORDER_THEME;
1035
1036 wxControl::Create(parent, id, pos, size, style);
1037
1038 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
1039 if (size != wxDefaultSize)
1040 SetInitialSize(size);
1041
1042 bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
1043
1044 wxBorder listBoxStyle;
1045 if (showSelector)
1046 listBoxStyle = wxBORDER_THEME;
1047 else
1048 listBoxStyle = wxBORDER_NONE;
1049
1050 m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, listBoxStyle);
1051
1052 wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1053
1054 if (showSelector)
1055 {
1056 wxArrayString choices;
1057 choices.Add(_("All styles"));
1058 choices.Add(_("Paragraph styles"));
1059 choices.Add(_("Character styles"));
1060 choices.Add(_("List styles"));
1061 choices.Add(_("Box styles"));
1062
1063 m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
1064
1065 boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
1066 boxSizer->Add(m_styleChoice, 0, wxLEFT|wxRIGHT|wxBOTTOM|wxEXPAND, 5);
1067 }
1068 else
1069 {
1070 boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
1071 }
1072
1073 SetSizer(boxSizer);
1074 Layout();
1075
1076 m_dontUpdate = true;
1077
1078 if (m_styleChoice)
1079 {
1080 int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1081 m_styleChoice->SetSelection(i);
1082 }
1083
1084 m_dontUpdate = false;
1085
1086 return true;
1087 }
1088
1089 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
1090 {
1091
1092 }
1093
1094 /// React to style type choice
1095 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
1096 {
1097 if (event.GetEventObject() != m_styleChoice)
1098 event.Skip();
1099 else
1100 {
1101 if (m_dontUpdate)
1102 return;
1103
1104 wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
1105 m_styleListBox->SetSelection(-1);
1106 m_styleListBox->SetStyleType(styleType);
1107 }
1108 }
1109
1110 /// Lay out the controls
1111 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1112 {
1113 if (GetAutoLayout())
1114 Layout();
1115 }
1116
1117 /// Get the choice index for style type
1118 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1119 {
1120 if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
1121 {
1122 return 0;
1123 }
1124 else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
1125 {
1126 return 1;
1127 }
1128 else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
1129 {
1130 return 2;
1131 }
1132 else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
1133 {
1134 return 3;
1135 }
1136 else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX)
1137 {
1138 return 4;
1139 }
1140 return 0;
1141 }
1142
1143 /// Get the style type for choice index
1144 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
1145 {
1146 if (i == 1)
1147 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
1148 else if (i == 2)
1149 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
1150 else if (i == 3)
1151 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
1152 else if (i == 4)
1153 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX;
1154
1155 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1156 }
1157
1158 /// Associates the control with a style manager
1159 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
1160 {
1161 if (m_styleListBox)
1162 m_styleListBox->SetStyleSheet(styleSheet);
1163 }
1164
1165 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
1166 {
1167 if (m_styleListBox)
1168 return m_styleListBox->GetStyleSheet();
1169 else
1170 return NULL;
1171 }
1172
1173 /// Associates the control with a wxRichTextCtrl
1174 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
1175 {
1176 if (m_styleListBox)
1177 m_styleListBox->SetRichTextCtrl(ctrl);
1178 }
1179
1180 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
1181 {
1182 if (m_styleListBox)
1183 return m_styleListBox->GetRichTextCtrl();
1184 else
1185 return NULL;
1186 }
1187
1188 /// Set/get the style type to display
1189 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1190 {
1191 if ( !m_styleListBox )
1192 return;
1193
1194 m_styleListBox->SetStyleType(styleType);
1195
1196 m_dontUpdate = true;
1197
1198 if (m_styleChoice)
1199 {
1200 int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1201 m_styleChoice->SetSelection(i);
1202 }
1203
1204 m_dontUpdate = false;
1205 }
1206
1207 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
1208 {
1209 if (m_styleListBox)
1210 return m_styleListBox->GetStyleType();
1211 else
1212 return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1213 }
1214
1215 /// Updates the style list box
1216 void wxRichTextStyleListCtrl::UpdateStyles()
1217 {
1218 if (m_styleListBox)
1219 m_styleListBox->UpdateStyles();
1220 }
1221
1222 #if wxUSE_COMBOCTRL
1223
1224 /*!
1225 * Style drop-down for a wxComboCtrl
1226 */
1227
1228
1229 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
1230 EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
1231 EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
1232 END_EVENT_TABLE()
1233
1234 bool wxRichTextStyleComboPopup::Create( wxWindow* parent )
1235 {
1236 int borderStyle = GetDefaultBorder();
1237 if (borderStyle == wxBORDER_SUNKEN || borderStyle == wxBORDER_NONE)
1238 borderStyle = wxBORDER_THEME;
1239
1240 return wxRichTextStyleListBox::Create(parent, wxID_ANY,
1241 wxPoint(0,0), wxDefaultSize,
1242 borderStyle);
1243 }
1244
1245 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
1246 {
1247 m_value = SetStyleSelection(s);
1248 }
1249
1250 wxString wxRichTextStyleComboPopup::GetStringValue() const
1251 {
1252 int sel = m_value;
1253 if (sel > -1)
1254 {
1255 wxRichTextStyleDefinition* def = GetStyle(sel);
1256 if (def)
1257 return def->GetName();
1258 }
1259 return wxEmptyString;
1260 }
1261
1262 //
1263 // Popup event handlers
1264 //
1265
1266 // Mouse hot-tracking
1267 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
1268 {
1269 // Move selection to cursor if it is inside the popup
1270
1271 int itemHere = wxRichTextStyleListBox::VirtualHitTest(event.GetPosition().y);
1272 if ( itemHere >= 0 )
1273 {
1274 wxRichTextStyleListBox::SetSelection(itemHere);
1275 m_itemHere = itemHere;
1276 }
1277 event.Skip();
1278 }
1279
1280 // On mouse left, set the value and close the popup
1281 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
1282 {
1283 if (m_itemHere >= 0)
1284 m_value = m_itemHere;
1285
1286 // Ordering is important, so we don't dismiss this popup accidentally
1287 // by setting the focus elsewhere e.g. in ApplyStyle
1288 Dismiss();
1289
1290 if (m_itemHere >= 0)
1291 wxRichTextStyleListBox::ApplyStyle(m_itemHere);
1292 }
1293
1294 /*!
1295 * wxRichTextStyleComboCtrl
1296 * A combo for applying styles.
1297 */
1298
1299 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
1300
1301 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
1302 EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
1303 END_EVENT_TABLE()
1304
1305 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1306 const wxSize& size, long style)
1307 {
1308 if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
1309 return false;
1310
1311 SetPopupMaxHeight(400);
1312
1313 m_stylePopup = new wxRichTextStyleComboPopup;
1314
1315 SetPopupControl(m_stylePopup);
1316
1317 return true;
1318 }
1319
1320 /// Auto-select from style under caret in idle time
1321
1322 // TODO: must be able to show italic, bold, combinations
1323 // in style box. Do we have a concept of automatic, temporary
1324 // styles that are added whenever we wish to show a style
1325 // that doesn't exist already? E.g. "Bold, Italic, Underline".
1326 // Word seems to generate these things on the fly.
1327 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
1328 // If you unembolden text in a style that has bold, it uses the
1329 // term "Not bold".
1330 // TODO: order styles alphabetically. This means indexes can change,
1331 // so need a different way to specify selections, i.e. by name.
1332
1333 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1334 {
1335 event.Skip();
1336
1337 if ( !m_stylePopup )
1338 return;
1339
1340 wxRichTextCtrl * const richtext = GetRichTextCtrl();
1341 if ( !richtext )
1342 return;
1343
1344 if ( !IsPopupShown() && IsShownOnScreen() && wxWindow::FindFocus() != this )
1345 {
1346 wxString styleName =
1347 wxRichTextStyleListBox::GetStyleToShowInIdleTime(richtext, m_stylePopup->GetStyleType());
1348
1349 wxString currentValue = GetValue();
1350 if (!styleName.IsEmpty())
1351 {
1352 // Don't do the selection if it's already set
1353 if (currentValue == styleName)
1354 return;
1355
1356 SetValue(styleName);
1357 }
1358 else if (!currentValue.IsEmpty())
1359 SetValue(wxEmptyString);
1360 }
1361 }
1362
1363 #endif
1364 // wxUSE_COMBOCTRL
1365
1366 #endif
1367 // wxUSE_HTML
1368
1369 #endif
1370 // wxUSE_RICHTEXT