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 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16   #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_RICHTEXT
  20
  21 #include "wx/richtext/richtextstyles.h"
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/filename.h"
  28 #include "wx/clipbrd.h"
  29 #include "wx/wfstream.h"
  30 #include "wx/settings.h"
  31
  32 #include "wx/richtext/richtextctrl.h"
  33
  34 IMPLEMENT_CLASS(wxRichTextStyleDefinition, wxObject)
  35 IMPLEMENT_CLASS(wxRichTextCharacterStyleDefinition, wxRichTextStyleDefinition)
  36 IMPLEMENT_CLASS(wxRichTextParagraphStyleDefinition, wxRichTextStyleDefinition)
  37 IMPLEMENT_CLASS(wxRichTextListStyleDefinition, wxRichTextParagraphStyleDefinition)
  38 IMPLEMENT_CLASS(wxRichTextBoxStyleDefinition, wxRichTextStyleDefinition)
  39
  40 /*!
  41  * A definition
  42  */
  43
  44 void wxRichTextStyleDefinition::Copy(const wxRichTextStyleDefinition& def)
  45 {
  46     m_name = def.m_name;
  47     m_baseStyle = def.m_baseStyle;
  48     m_style = def.m_style;
  49     m_description = def.m_description;
  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);
  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(CLASSINFO(wxRichTextParagraphStyleDefinition));
  64     bool isCharStyle = IsKindOf(CLASSINFO(wxRichTextCharacterStyleDefinition));
  65     bool isListStyle = IsKindOf(CLASSINFO(wxRichTextListStyleDefinition));
  66     bool isBoxStyle = IsKindOf(CLASSINFO(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().SetParagraphStyleName(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 }
 527
 528 /// Equality
 529 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
 530 {
 531     // TODO
 532     return false;
 533 }
 534
 535
 536 #if wxUSE_HTML
 537
 538 // Functions for dealing with clashing names for different kinds of style.
 539 // Returns "P", "C", "L" or "B" (paragraph, character, list or box) for
 540 // style name | type.
 541 static wxString wxGetRichTextStyleType(const wxString& style)
 542 {
 543     return style.AfterLast(wxT('|'));
 544 }
 545
 546 static wxString wxGetRichTextStyle(const wxString& style)
 547 {
 548     return style.BeforeLast(wxT('|'));
 549 }
 550
 551
 552 /*!
 553  * wxRichTextStyleListBox: a listbox to display styles.
 554  */
 555
 556 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
 557
 558 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
 559     EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
 560     EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
 561     EVT_IDLE(wxRichTextStyleListBox::OnIdle)
 562 END_EVENT_TABLE()
 563
 564 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 565     const wxSize& size, long style)
 566 {
 567     Init();
 568     Create(parent, id, pos, size, style);
 569 }
 570
 571 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 572         const wxSize& size, long style)
 573 {
 574     return wxHtmlListBox::Create(parent, id, pos, size, style);
 575 }
 576
 577 wxRichTextStyleListBox::~wxRichTextStyleListBox()
 578 {
 579 }
 580
 581 /// Returns the HTML for this item
 582 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
 583 {
 584     if (!GetStyleSheet())
 585         return wxEmptyString;
 586
 587     wxRichTextStyleDefinition* def = GetStyle(n);
 588     if (def)
 589         return CreateHTML(def);
 590
 591     return wxEmptyString;
 592 }
 593
 594 // Get style for index
 595 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
 596 {
 597     if (!GetStyleSheet())
 598         return NULL;
 599
 600     if (i >= m_styleNames.GetCount() /* || i < 0 */ )
 601         return NULL;
 602
 603     wxString styleType = wxGetRichTextStyleType(m_styleNames[i]);
 604     wxString style = wxGetRichTextStyle(m_styleNames[i]);
 605     if (styleType == wxT("P"))
 606         return GetStyleSheet()->FindParagraphStyle(style);
 607     else if (styleType == wxT("C"))
 608         return GetStyleSheet()->FindCharacterStyle(style);
 609     else if (styleType == wxT("L"))
 610         return GetStyleSheet()->FindListStyle(style);
 611     else if (styleType == wxT("B"))
 612         return GetStyleSheet()->FindBoxStyle(style);
 613     else
 614         return GetStyleSheet()->FindStyle(style);
 615 }
 616
 617 /// Updates the list
 618 void wxRichTextStyleListBox::UpdateStyles()
 619 {
 620     if (GetStyleSheet())
 621     {
 622         int oldSel = GetSelection();
 623
 624         SetSelection(wxNOT_FOUND);
 625
 626         m_styleNames.Clear();
 627
 628         size_t i;
 629         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 630         {
 631             for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
 632                 m_styleNames.Add(GetStyleSheet()->GetParagraphStyle(i)->GetName() + wxT("|P"));
 633         }
 634         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 635         {
 636             for (i = 0; i < GetStyleSheet()->GetCharacterStyleCount(); i++)
 637                 m_styleNames.Add(GetStyleSheet()->GetCharacterStyle(i)->GetName() + wxT("|C"));
 638         }
 639         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_LIST)
 640         {
 641             for (i = 0; i < GetStyleSheet()->GetListStyleCount(); i++)
 642                 m_styleNames.Add(GetStyleSheet()->GetListStyle(i)->GetName() + wxT("|L"));
 643         }
 644         if (GetStyleType() == wxRICHTEXT_STYLE_ALL || GetStyleType() == wxRICHTEXT_STYLE_BOX)
 645         {
 646             for (i = 0; i < GetStyleSheet()->GetBoxStyleCount(); i++)
 647                 m_styleNames.Add(GetStyleSheet()->GetBoxStyle(i)->GetName() + wxT("|B"));
 648         }
 649
 650         m_styleNames.Sort();
 651         SetItemCount(m_styleNames.GetCount());
 652
 653         Refresh();
 654
 655         int newSel = -1;
 656         if (oldSel >= 0 && oldSel < (int) GetItemCount())
 657             newSel = oldSel;
 658         else if (GetItemCount() > 0)
 659             newSel = 0;
 660
 661         if (newSel >= 0)
 662         {
 663             SetSelection(newSel);
 664             SendSelectedEvent();
 665         }
 666     }
 667 }
 668
 669 // Get index for style name
 670 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
 671 {
 672     wxString s(name);
 673     if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 674         s += wxT("|P");
 675     else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 676         s += wxT("|C");
 677     else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
 678         s += wxT("|L");
 679     else if (GetStyleType() == wxRICHTEXT_STYLE_BOX)
 680         s += wxT("|B");
 681     else
 682     {
 683         if (m_styleNames.Index(s + wxT("|P")) != wxNOT_FOUND)
 684             s += wxT("|P");
 685         else if (m_styleNames.Index(s + wxT("|C")) != wxNOT_FOUND)
 686             s += wxT("|C");
 687         else if (m_styleNames.Index(s + wxT("|L")) != wxNOT_FOUND)
 688             s += wxT("|L");
 689         else if (m_styleNames.Index(s + wxT("|B")) != wxNOT_FOUND)
 690             s += wxT("|B");
 691     }
 692     return m_styleNames.Index(s);
 693 }
 694
 695 /// Set selection for string
 696 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
 697 {
 698     int i = GetIndexForStyle(name);
 699     if (i > -1)
 700         SetSelection(i);
 701     return i;
 702 }
 703
 704 // Convert a colour to a 6-digit hex string
 705 static wxString ColourToHexString(const wxColour& col)
 706 {
 707     wxString hex;
 708
 709     hex += wxDecToHex(col.Red());
 710     hex += wxDecToHex(col.Green());
 711     hex += wxDecToHex(col.Blue());
 712
 713     return hex;
 714 }
 715
 716 /// Creates a suitable HTML fragment for a definition
 717 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
 718 {
 719     // TODO: indicate list format for list style types
 720
 721     wxString str;
 722
 723     bool isCentred = false;
 724
 725     wxRichTextAttr attr(def->GetStyleMergedWithBase(GetStyleSheet()));
 726
 727     if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
 728         isCentred = true;
 729
 730     if (isCentred)
 731         str << wxT("<center>");
 732
 733
 734     str << wxT("<table><tr>");
 735
 736     if (attr.GetLeftIndent() > 0)
 737     {
 738         wxClientDC dc((wxWindow*) this);
 739
 740         str << wxT("<td width=") << wxMin(50, (ConvertTenthsMMToPixels(dc, attr.GetLeftIndent())/2)) << wxT("></td>");
 741     }
 742
 743     if (isCentred)
 744         str << wxT("<td nowrap align=\"center\">");
 745     else
 746         str << wxT("<td nowrap>");
 747
 748 #ifdef __WXMSW__
 749     int size = 2;
 750 #else
 751     int size = 3;
 752 #endif
 753
 754     // Guess a standard font size
 755     int stdFontSize = 0;
 756
 757     // First see if we have a default/normal style to base the size on
 758     wxString normalTranslated(_("normal"));
 759     wxString defaultTranslated(_("default"));
 760     size_t i;
 761     for (i = 0; i < GetStyleSheet()->GetParagraphStyleCount(); i++)
 762     {
 763         wxRichTextStyleDefinition* d = GetStyleSheet()->GetParagraphStyle(i);
 764         wxString name = d->GetName().Lower();
 765         if (name.Find(wxT("normal")) != wxNOT_FOUND || name.Find(normalTranslated) != wxNOT_FOUND ||
 766             name.Find(wxT("default")) != wxNOT_FOUND || name.Find(defaultTranslated) != wxNOT_FOUND)
 767         {
 768             wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
 769             if (attr2.HasFontSize())
 770             {
 771                 stdFontSize = attr2.GetFontSize();
 772                 break;
 773             }
 774         }
 775     }
 776
 777     if (stdFontSize == 0)
 778     {
 779         // Look at sizes up to 20 points, and see which is the most common
 780         wxArrayInt sizes;
 781         size_t maxSize = 20;
 782         for (i = 0; i <= maxSize; i++)
 783             sizes.Add(0);
 784         for (i = 0; i < m_styleNames.GetCount(); i++)
 785         {
 786             wxRichTextStyleDefinition* d = GetStyle(i);
 787             if (d)
 788             {
 789                 wxRichTextAttr attr2(d->GetStyleMergedWithBase(GetStyleSheet()));
 790                 if (attr2.HasFontSize())
 791                 {
 792                     if (attr2.GetFontSize() <= (int) maxSize)
 793                         sizes[attr2.GetFontSize()] ++;
 794                 }
 795             }
 796         }
 797         int mostCommonSize = 0;
 798         for (i = 0; i <= maxSize; i++)
 799         {
 800             if (sizes[i] > mostCommonSize)
 801                 mostCommonSize = i;
 802         }
 803         if (mostCommonSize > 0)
 804             stdFontSize = mostCommonSize;
 805     }
 806
 807     if (stdFontSize == 0)
 808         stdFontSize = 12;
 809
 810     int thisFontSize = ((attr.GetFlags() & wxTEXT_ATTR_FONT_SIZE) != 0) ? attr.GetFontSize() : stdFontSize;
 811
 812     if (thisFontSize < stdFontSize)
 813         size --;
 814     else if (thisFontSize > stdFontSize)
 815         size ++;
 816
 817     str += wxT("<font");
 818
 819     str << wxT(" size=") << size;
 820
 821     if (!attr.GetFontFaceName().IsEmpty())
 822         str << wxT(" face=\"") << attr.GetFontFaceName() << wxT("\"");
 823
 824     if (attr.GetTextColour().IsOk())
 825         str << wxT(" color=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 826
 827     str << wxT(">");
 828
 829     bool hasBold = false;
 830     bool hasItalic = false;
 831     bool hasUnderline = false;
 832
 833     if (attr.GetFontWeight() == wxBOLD)
 834         hasBold = true;
 835     if (attr.GetFontStyle() == wxITALIC)
 836         hasItalic = true;
 837     if (attr.GetFontUnderlined())
 838         hasUnderline = true;
 839
 840     if (hasBold)
 841         str << wxT("<b>");
 842     if (hasItalic)
 843         str << wxT("<i>");
 844     if (hasUnderline)
 845         str << wxT("<u>");
 846
 847     str += def->GetName();
 848
 849     if (hasUnderline)
 850         str << wxT("</u>");
 851     if (hasItalic)
 852         str << wxT("</i>");
 853     if (hasBold)
 854         str << wxT("</b>");
 855
 856     if (isCentred)
 857         str << wxT("</centre>");
 858
 859     str << wxT("</font>");
 860
 861     str << wxT("</td></tr></table>");
 862
 863     if (isCentred)
 864         str << wxT("</center>");
 865
 866     return str;
 867 }
 868
 869 // Convert units in tends of a millimetre to device units
 870 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
 871 {
 872     int ppi = dc.GetPPI().x;
 873
 874     // There are ppi pixels in 254.1 "1/10 mm"
 875
 876     double pixels = ((double) units * (double)ppi) / 254.1;
 877
 878     return (int) pixels;
 879 }
 880
 881 void wxRichTextStyleListBox::OnLeftDown(wxMouseEvent& event)
 882 {
 883     wxVListBox::OnLeftDown(event);
 884
 885     int item = VirtualHitTest(event.GetPosition().y);
 886     if (item != wxNOT_FOUND && GetApplyOnSelection())
 887         ApplyStyle(item);
 888 }
 889
 890 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
 891 {
 892     wxVListBox::OnLeftDown(event);
 893
 894     int item = VirtualHitTest(event.GetPosition().y);
 895     if (item != wxNOT_FOUND && !GetApplyOnSelection())
 896         ApplyStyle(item);
 897 }
 898
 899 /// Helper for listbox and combo control
 900 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
 901 {
 902     int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
 903
 904     wxString styleName;
 905
 906     wxRichTextAttr attr;
 907     ctrl->GetStyle(adjustedCaretPos, attr);
 908
 909     // Take into account current default style just chosen by user
 910     if (ctrl->IsDefaultStyleShowing())
 911     {
 912         wxRichTextApplyStyle(attr, ctrl->GetDefaultStyleEx());
 913
 914         if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 915                           !attr.GetCharacterStyleName().IsEmpty())
 916             styleName = attr.GetCharacterStyleName();
 917         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 918                           !attr.GetParagraphStyleName().IsEmpty())
 919             styleName = attr.GetParagraphStyleName();
 920         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 921                           !attr.GetListStyleName().IsEmpty())
 922             styleName = attr.GetListStyleName();
 923         // TODO: when we have a concept of focused object (text box), we'll
 924         // use the paragraph style name of the focused object as the frame style name.
 925 #if 0
 926         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_BOX) &&
 927                           !attr.GetBoxStyleName().IsEmpty())
 928             styleName = attr.GetBoxStyleName();
 929 #endif
 930     }
 931     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 932              !attr.GetCharacterStyleName().IsEmpty())
 933     {
 934         styleName = attr.GetCharacterStyleName();
 935     }
 936     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 937              !attr.GetParagraphStyleName().IsEmpty())
 938     {
 939         styleName = attr.GetParagraphStyleName();
 940     }
 941     else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 942              !attr.GetListStyleName().IsEmpty())
 943     {
 944         styleName = attr.GetListStyleName();
 945     }
 946
 947     return styleName;
 948 }
 949
 950 /// Auto-select from style under caret in idle time
 951 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
 952 {
 953     if (CanAutoSetSelection() && GetRichTextCtrl() && IsShownOnScreen() && wxWindow::FindFocus() != this)
 954     {
 955         wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
 956
 957         int sel = GetSelection();
 958         if (!styleName.IsEmpty())
 959         {
 960             // Don't do the selection if it's already set
 961             if (sel == GetIndexForStyle(styleName))
 962                 return;
 963
 964             SetStyleSelection(styleName);
 965         }
 966         else if (sel != -1)
 967             SetSelection(-1);
 968     }
 969     event.Skip();
 970 }
 971
 972 /// Do selection
 973 void wxRichTextStyleListBox::ApplyStyle(int item)
 974 {
 975     if ( item != wxNOT_FOUND )
 976     {
 977         wxRichTextStyleDefinition* def = GetStyle(item);
 978         if (def && GetRichTextCtrl())
 979         {
 980             GetRichTextCtrl()->ApplyStyle(def);
 981             GetRichTextCtrl()->SetFocus();
 982         }
 983     }
 984 }
 985
 986 /*!
 987  * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
 988  * switch shown style types
 989  */
 990
 991 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
 992
 993 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
 994     EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
 995     EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
 996 END_EVENT_TABLE()
 997
 998 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 999     const wxSize& size, long style)
1000 {
1001     Init();
1002     Create(parent, id, pos, size, style);
1003 }
1004
1005 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1006         const wxSize& size, long style)
1007 {
1008     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
1009         style |= wxBORDER_THEME;
1010
1011     wxControl::Create(parent, id, pos, size, style);
1012
1013     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
1014     if (size != wxDefaultSize)
1015         SetInitialSize(size);
1016
1017     bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
1018
1019     wxBorder listBoxStyle;
1020     if (showSelector)
1021         listBoxStyle = wxBORDER_THEME;
1022     else
1023         listBoxStyle = wxBORDER_NONE;
1024
1025     m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, listBoxStyle);
1026
1027     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
1028
1029     if (showSelector)
1030     {
1031         wxArrayString choices;
1032         choices.Add(_("All styles"));
1033         choices.Add(_("Paragraph styles"));
1034         choices.Add(_("Character styles"));
1035         choices.Add(_("List styles"));
1036         choices.Add(_("Box styles"));
1037
1038         m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
1039
1040         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
1041         boxSizer->Add(m_styleChoice, 0, wxLEFT|wxRIGHT|wxBOTTOM|wxEXPAND, 5);
1042     }
1043     else
1044     {
1045         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
1046     }
1047
1048     SetSizer(boxSizer);
1049     Layout();
1050
1051     m_dontUpdate = true;
1052
1053     if (m_styleChoice)
1054     {
1055         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1056         m_styleChoice->SetSelection(i);
1057     }
1058
1059     m_dontUpdate = false;
1060
1061     return true;
1062 }
1063
1064 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
1065 {
1066
1067 }
1068
1069 /// React to style type choice
1070 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
1071 {
1072     if (event.GetEventObject() != m_styleChoice)
1073         event.Skip();
1074     else
1075     {
1076         if (m_dontUpdate)
1077             return;
1078
1079         wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
1080         m_styleListBox->SetSelection(-1);
1081         m_styleListBox->SetStyleType(styleType);
1082     }
1083 }
1084
1085 /// Lay out the controls
1086 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1087 {
1088     if (GetAutoLayout())
1089         Layout();
1090 }
1091
1092 /// Get the choice index for style type
1093 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1094 {
1095     if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
1096     {
1097         return 0;
1098     }
1099     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
1100     {
1101         return 1;
1102     }
1103     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
1104     {
1105         return 2;
1106     }
1107     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
1108     {
1109         return 3;
1110     }
1111     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX)
1112     {
1113         return 4;
1114     }
1115     return 0;
1116 }
1117
1118 /// Get the style type for choice index
1119 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
1120 {
1121     if (i == 1)
1122         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
1123     else if (i == 2)
1124         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
1125     else if (i == 3)
1126         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
1127     else if (i == 4)
1128         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_BOX;
1129
1130     return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1131 }
1132
1133 /// Associates the control with a style manager
1134 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
1135 {
1136     if (m_styleListBox)
1137         m_styleListBox->SetStyleSheet(styleSheet);
1138 }
1139
1140 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
1141 {
1142     if (m_styleListBox)
1143         return m_styleListBox->GetStyleSheet();
1144     else
1145         return NULL;
1146 }
1147
1148 /// Associates the control with a wxRichTextCtrl
1149 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
1150 {
1151     if (m_styleListBox)
1152         m_styleListBox->SetRichTextCtrl(ctrl);
1153 }
1154
1155 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
1156 {
1157     if (m_styleListBox)
1158         return m_styleListBox->GetRichTextCtrl();
1159     else
1160         return NULL;
1161 }
1162
1163 /// Set/get the style type to display
1164 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
1165 {
1166     if ( !m_styleListBox )
1167         return;
1168
1169     m_styleListBox->SetStyleType(styleType);
1170
1171     m_dontUpdate = true;
1172
1173     if (m_styleChoice)
1174     {
1175         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
1176         m_styleChoice->SetSelection(i);
1177     }
1178
1179     m_dontUpdate = false;
1180 }
1181
1182 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
1183 {
1184     if (m_styleListBox)
1185         return m_styleListBox->GetStyleType();
1186     else
1187         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
1188 }
1189
1190 /// Updates the style list box
1191 void wxRichTextStyleListCtrl::UpdateStyles()
1192 {
1193     if (m_styleListBox)
1194         m_styleListBox->UpdateStyles();
1195 }
1196
1197 #if wxUSE_COMBOCTRL
1198
1199 /*!
1200  * Style drop-down for a wxComboCtrl
1201  */
1202
1203
1204 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
1205     EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
1206     EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
1207 END_EVENT_TABLE()
1208
1209 bool wxRichTextStyleComboPopup::Create( wxWindow* parent )
1210 {
1211     int borderStyle = GetDefaultBorder();
1212     if (borderStyle == wxBORDER_SUNKEN)
1213         borderStyle = wxBORDER_SIMPLE;
1214
1215     return wxRichTextStyleListBox::Create(parent, wxID_ANY,
1216                                   wxPoint(0,0), wxDefaultSize,
1217                                   borderStyle);
1218 }
1219
1220 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
1221 {
1222     m_value = SetStyleSelection(s);
1223 }
1224
1225 wxString wxRichTextStyleComboPopup::GetStringValue() const
1226 {
1227     int sel = m_value;
1228     if (sel > -1)
1229     {
1230         wxRichTextStyleDefinition* def = GetStyle(sel);
1231         if (def)
1232             return def->GetName();
1233     }
1234     return wxEmptyString;
1235 }
1236
1237 //
1238 // Popup event handlers
1239 //
1240
1241 // Mouse hot-tracking
1242 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
1243 {
1244     // Move selection to cursor if it is inside the popup
1245
1246     int itemHere = wxRichTextStyleListBox::VirtualHitTest(event.GetPosition().y);
1247     if ( itemHere >= 0 )
1248     {
1249         wxRichTextStyleListBox::SetSelection(itemHere);
1250         m_itemHere = itemHere;
1251     }
1252     event.Skip();
1253 }
1254
1255 // On mouse left, set the value and close the popup
1256 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
1257 {
1258     if (m_itemHere >= 0)
1259         m_value = m_itemHere;
1260
1261     // Ordering is important, so we don't dismiss this popup accidentally
1262     // by setting the focus elsewhere e.g. in ApplyStyle
1263     Dismiss();
1264
1265     if (m_itemHere >= 0)
1266         wxRichTextStyleListBox::ApplyStyle(m_itemHere);
1267 }
1268
1269 /*!
1270  * wxRichTextStyleComboCtrl
1271  * A combo for applying styles.
1272  */
1273
1274 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
1275
1276 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
1277     EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
1278 END_EVENT_TABLE()
1279
1280 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1281         const wxSize& size, long style)
1282 {
1283     if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
1284         return false;
1285
1286     SetPopupMaxHeight(400);
1287
1288     m_stylePopup = new wxRichTextStyleComboPopup;
1289
1290     SetPopupControl(m_stylePopup);
1291
1292     return true;
1293 }
1294
1295 /// Auto-select from style under caret in idle time
1296
1297 // TODO: must be able to show italic, bold, combinations
1298 // in style box. Do we have a concept of automatic, temporary
1299 // styles that are added whenever we wish to show a style
1300 // that doesn't exist already? E.g. "Bold, Italic, Underline".
1301 // Word seems to generate these things on the fly.
1302 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
1303 // If you unembolden text in a style that has bold, it uses the
1304 // term "Not bold".
1305 // TODO: order styles alphabetically. This means indexes can change,
1306 // so need a different way to specify selections, i.e. by name.
1307
1308 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1309 {
1310     event.Skip();
1311
1312     if ( !m_stylePopup )
1313         return;
1314
1315     wxRichTextCtrl * const richtext = GetRichTextCtrl();
1316     if ( !richtext )
1317         return;
1318
1319     if ( !IsPopupShown() && IsShownOnScreen() && wxWindow::FindFocus() != this )
1320     {
1321         wxString styleName =
1322             wxRichTextStyleListBox::GetStyleToShowInIdleTime(richtext, m_stylePopup->GetStyleType());
1323
1324         wxString currentValue = GetValue();
1325         if (!styleName.IsEmpty())
1326         {
1327             // Don't do the selection if it's already set
1328             if (currentValue == styleName)
1329                 return;
1330
1331             SetValue(styleName);
1332         }
1333         else if (!currentValue.IsEmpty())
1334             SetValue(wxEmptyString);
1335     }
1336 }
1337
1338 #endif
1339     // wxUSE_COMBOCTRL
1340
1341 #endif
1342     // wxUSE_HTML
1343
1344 #endif
1345     // wxUSE_RICHTEXT