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
  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 }
  49
  50 bool wxRichTextStyleDefinition::Eq(const wxRichTextStyleDefinition& def) const
  51 {
  52     return (m_name == def.m_name && m_baseStyle == def.m_baseStyle && m_style == def.m_style);
  53 }
  54
  55 /*!
  56  * Paragraph style definition
  57  */
  58
  59 void wxRichTextParagraphStyleDefinition::Copy(const wxRichTextParagraphStyleDefinition& def)
  60 {
  61     wxRichTextStyleDefinition::Copy(def);
  62
  63     m_nextStyle = def.m_nextStyle;
  64 }
  65
  66 bool wxRichTextParagraphStyleDefinition::operator ==(const wxRichTextParagraphStyleDefinition& def) const
  67 {
  68     return (Eq(def) && m_nextStyle == def.m_nextStyle);
  69 }
  70
  71 /*!
  72  * List style definition
  73  */
  74
  75 void wxRichTextListStyleDefinition::Copy(const wxRichTextListStyleDefinition& def)
  76 {
  77     wxRichTextParagraphStyleDefinition::Copy(def);
  78
  79     int i;
  80     for (i = 0; i < 10; i++)
  81         m_levelStyles[i] = def.m_levelStyles[i];
  82 }
  83
  84 bool wxRichTextListStyleDefinition::operator ==(const wxRichTextListStyleDefinition& def) const
  85 {
  86     if (!Eq(def))
  87         return false;
  88     int i;
  89     for (i = 0; i < 10; i++)
  90         if (!(m_levelStyles[i] == def.m_levelStyles[i]))
  91             return false;
  92
  93     return true;
  94 }
  95
  96 /// Sets/gets the attributes for the given level
  97 void wxRichTextListStyleDefinition::SetLevelAttributes(int i, const wxTextAttrEx& attr)
  98 {
  99     wxASSERT( (i >= 0 && i < 10) );
 100     if (i >= 0 && i < 10)
 101         m_levelStyles[i] = attr;
 102 }
 103
 104 const wxTextAttrEx* wxRichTextListStyleDefinition::GetLevelAttributes(int i) const
 105 {
 106     wxASSERT( (i >= 0 && i < 10) );
 107     if (i >= 0 && i < 10)
 108         return & m_levelStyles[i];
 109     else
 110         return NULL;
 111 }
 112
 113 wxTextAttrEx* wxRichTextListStyleDefinition::GetLevelAttributes(int i)
 114 {
 115     wxASSERT( (i >= 0 && i < 10) );
 116     if (i >= 0 && i < 10)
 117         return & m_levelStyles[i];
 118     else
 119         return NULL;
 120 }
 121
 122 /// Convenience function for setting the major attributes for a list level specification
 123 void wxRichTextListStyleDefinition::SetAttributes(int i, int leftIndent, int leftSubIndent, int bulletStyle, const wxString& bulletSymbol)
 124 {
 125     wxASSERT( (i >= 0 && i < 10) );
 126     if (i >= 0 && i < 10)
 127     {
 128         wxTextAttrEx attr;
 129
 130         attr.SetBulletStyle(bulletStyle);
 131         attr.SetLeftIndent(leftIndent, leftSubIndent);
 132
 133         if (!bulletSymbol.IsEmpty())
 134             attr.SetBulletSymbol(bulletSymbol[0]);
 135
 136         m_levelStyles[i] = attr;
 137     }
 138 }
 139
 140 /// Finds the level corresponding to the given indentation
 141 int wxRichTextListStyleDefinition::FindLevelForIndent(int indent) const
 142 {
 143     int i;
 144     for (i = 0; i < 10; i++)
 145     {
 146         if (indent < m_levelStyles[i].GetLeftIndent())
 147         {
 148             if (i > 0)
 149                 return i - 1;
 150             else
 151                 return 0;
 152         }
 153     }
 154     return 9;
 155 }
 156
 157 /// Combine the list style with a paragraph style, using the given indent (from which
 158 /// an appropriate level is found)
 159 wxTextAttrEx wxRichTextListStyleDefinition::CombineWithParagraphStyle(int indent, const wxTextAttrEx& paraStyle)
 160 {
 161     int listLevel = FindLevelForIndent(indent);
 162
 163     wxTextAttrEx attr(*GetLevelAttributes(listLevel));
 164     int oldLeftIndent = attr.GetLeftIndent();
 165     int oldLeftSubIndent = attr.GetLeftSubIndent();
 166
 167     // First apply the overall paragraph style, if any
 168     wxRichTextApplyStyle(attr, GetStyle());
 169
 170     // Then apply paragraph style, e.g. from paragraph style definition
 171     wxRichTextApplyStyle(attr, paraStyle);
 172
 173     // We override the indents according to the list definition
 174     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 175
 176     return attr;
 177 }
 178
 179 /// Combine the base and list style, using the given indent (from which
 180 /// an appropriate level is found)
 181 wxTextAttrEx wxRichTextListStyleDefinition::GetCombinedStyle(int indent)
 182 {
 183     int listLevel = FindLevelForIndent(indent);
 184     return GetCombinedStyleForLevel(listLevel);
 185 }
 186
 187 /// Combine the base and list style, using the given indent (from which
 188 /// an appropriate level is found)
 189 wxTextAttrEx wxRichTextListStyleDefinition::GetCombinedStyleForLevel(int listLevel)
 190 {
 191     wxTextAttrEx attr(*GetLevelAttributes(listLevel));
 192     int oldLeftIndent = attr.GetLeftIndent();
 193     int oldLeftSubIndent = attr.GetLeftSubIndent();
 194
 195     // Apply the overall paragraph style, if any
 196     wxRichTextApplyStyle(attr, GetStyle());
 197
 198     // We override the indents according to the list definition
 199     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 200
 201     return attr;
 202 }
 203
 204 /// Is this a numbered list?
 205 bool wxRichTextListStyleDefinition::IsNumbered(int i) const
 206 {
 207     return (0 != (GetLevelAttributes(i)->GetFlags() &
 208                    (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER|wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|
 209                     wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)));
 210 }
 211
 212 /*!
 213  * The style manager
 214  */
 215
 216 IMPLEMENT_CLASS(wxRichTextStyleSheet, wxObject)
 217
 218 wxRichTextStyleSheet::~wxRichTextStyleSheet()
 219 {
 220     DeleteStyles();
 221
 222     if (m_nextSheet)
 223         m_nextSheet->m_previousSheet = m_previousSheet;
 224
 225     if (m_previousSheet)
 226         m_previousSheet->m_nextSheet = m_nextSheet;
 227
 228     m_previousSheet = NULL;
 229     m_nextSheet = NULL;
 230 }
 231
 232 /// Initialisation
 233 void wxRichTextStyleSheet::Init()
 234 {
 235     m_previousSheet = NULL;
 236     m_nextSheet = NULL;
 237 }
 238
 239 /// Add a definition to one of the style lists
 240 bool wxRichTextStyleSheet::AddStyle(wxList& list, wxRichTextStyleDefinition* def)
 241 {
 242     if (!list.Find(def))
 243         list.Append(def);
 244     return true;
 245 }
 246
 247 /// Remove a style
 248 bool wxRichTextStyleSheet::RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle)
 249 {
 250     wxList::compatibility_iterator node = list.Find(def);
 251     if (node)
 252     {
 253         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 254         list.Erase(node);
 255         if (deleteStyle)
 256             delete def;
 257         return true;
 258     }
 259     else
 260         return false;
 261 }
 262
 263 /// Find a definition by name
 264 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxList& list, const wxString& name, bool recurse) const
 265 {
 266     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 267     {
 268         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 269         if (def->GetName().Lower() == name.Lower())
 270             return def;
 271     }
 272
 273     if (m_nextSheet && recurse)
 274         return m_nextSheet->FindStyle(list, name, recurse);
 275
 276     return NULL;
 277 }
 278
 279 /// Delete all styles
 280 void wxRichTextStyleSheet::DeleteStyles()
 281 {
 282     WX_CLEAR_LIST(wxList, m_characterStyleDefinitions);
 283     WX_CLEAR_LIST(wxList, m_paragraphStyleDefinitions);
 284     WX_CLEAR_LIST(wxList, m_listStyleDefinitions);
 285 }
 286
 287 /// Insert into list of style sheets
 288 bool wxRichTextStyleSheet::InsertSheet(wxRichTextStyleSheet* before)
 289 {
 290     m_previousSheet = before->m_previousSheet;
 291     m_nextSheet = before;
 292
 293     before->m_previousSheet = this;
 294     return true;
 295 }
 296
 297 /// Append to list of style sheets
 298 bool wxRichTextStyleSheet::AppendSheet(wxRichTextStyleSheet* after)
 299 {
 300     wxRichTextStyleSheet* last = after;
 301     while (last && last->m_nextSheet)
 302     {
 303         last = last->m_nextSheet;
 304     }
 305
 306     if (last)
 307     {
 308         m_previousSheet = last;
 309         last->m_nextSheet = this;
 310
 311         return true;
 312     }
 313     else
 314         return false;
 315 }
 316
 317 /// Unlink from the list of style sheets
 318 void wxRichTextStyleSheet::Unlink()
 319 {
 320     if (m_previousSheet)
 321         m_previousSheet->m_nextSheet = m_nextSheet;
 322     if (m_nextSheet)
 323         m_nextSheet->m_previousSheet = m_previousSheet;
 324
 325     m_previousSheet = NULL;
 326     m_nextSheet = NULL;
 327 }
 328
 329 /// Add a definition to the character style list
 330 bool wxRichTextStyleSheet::AddCharacterStyle(wxRichTextCharacterStyleDefinition* def)
 331 {
 332     def->GetStyle().SetCharacterStyleName(def->GetName());
 333     return AddStyle(m_characterStyleDefinitions, def);
 334 }
 335
 336 /// Add a definition to the paragraph style list
 337 bool wxRichTextStyleSheet::AddParagraphStyle(wxRichTextParagraphStyleDefinition* def)
 338 {
 339     def->GetStyle().SetParagraphStyleName(def->GetName());
 340     return AddStyle(m_paragraphStyleDefinitions, def);
 341 }
 342
 343 /// Add a definition to the list style list
 344 bool wxRichTextStyleSheet::AddListStyle(wxRichTextListStyleDefinition* def)
 345 {
 346     def->GetStyle().SetListStyleName(def->GetName());
 347     return AddStyle(m_listStyleDefinitions, def);
 348 }
 349
 350 /// Copy
 351 void wxRichTextStyleSheet::Copy(const wxRichTextStyleSheet& sheet)
 352 {
 353     DeleteStyles();
 354
 355     wxList::compatibility_iterator node;
 356
 357     for (node = sheet.m_characterStyleDefinitions.GetFirst(); node; node = node->GetNext())
 358     {
 359         wxRichTextCharacterStyleDefinition* def = (wxRichTextCharacterStyleDefinition*) node->GetData();
 360         AddCharacterStyle(new wxRichTextCharacterStyleDefinition(*def));
 361     }
 362
 363     for (node = sheet.m_paragraphStyleDefinitions.GetFirst(); node; node = node->GetNext())
 364     {
 365         wxRichTextParagraphStyleDefinition* def = (wxRichTextParagraphStyleDefinition*) node->GetData();
 366         AddParagraphStyle(new wxRichTextParagraphStyleDefinition(*def));
 367     }
 368
 369     for (node = sheet.m_listStyleDefinitions.GetFirst(); node; node = node->GetNext())
 370     {
 371         wxRichTextListStyleDefinition* def = (wxRichTextListStyleDefinition*) node->GetData();
 372         AddListStyle(new wxRichTextListStyleDefinition(*def));
 373     }
 374 }
 375
 376 /// Equality
 377 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
 378 {
 379     // TODO
 380     return false;
 381 }
 382
 383
 384 #if wxUSE_HTML
 385 /*!
 386  * wxRichTextStyleListBox: a listbox to display styles.
 387  */
 388
 389 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
 390
 391 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
 392     EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
 393     EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
 394     EVT_IDLE(wxRichTextStyleListBox::OnIdle)
 395 END_EVENT_TABLE()
 396
 397 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 398     const wxSize& size, long style)
 399 {
 400     Init();
 401     Create(parent, id, pos, size, style);
 402 }
 403
 404 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 405         const wxSize& size, long style)
 406 {
 407     return wxHtmlListBox::Create(parent, id, pos, size, style);
 408 }
 409
 410 wxRichTextStyleListBox::~wxRichTextStyleListBox()
 411 {
 412 }
 413
 414 /// Returns the HTML for this item
 415 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
 416 {
 417     if (!GetStyleSheet())
 418         return wxEmptyString;
 419
 420     wxRichTextStyleDefinition* def = GetStyle(n);
 421     if (def)
 422         return CreateHTML(def);
 423
 424     return wxEmptyString;
 425 }
 426
 427 // Get style for index
 428 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
 429 {
 430     if (!GetStyleSheet())
 431         return NULL;
 432
 433     if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 434     {
 435         // First paragraph styles, then character, then list
 436         if (i < GetStyleSheet()->GetParagraphStyleCount())
 437             return GetStyleSheet()->GetParagraphStyle(i);
 438
 439         if ((i - GetStyleSheet()->GetParagraphStyleCount()) < GetStyleSheet()->GetCharacterStyleCount())
 440             return GetStyleSheet()->GetCharacterStyle(i - GetStyleSheet()->GetParagraphStyleCount());
 441
 442         if ((i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount()) < GetStyleSheet()->GetListStyleCount())
 443             return GetStyleSheet()->GetListStyle(i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount());
 444     }
 445     else if ((GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH) && (i < GetStyleSheet()->GetParagraphStyleCount()))
 446     {
 447         return GetStyleSheet()->GetParagraphStyle(i);
 448     }
 449     else if ((GetStyleType() == wxRICHTEXT_STYLE_CHARACTER) && (i < GetStyleSheet()->GetCharacterStyleCount()))
 450     {
 451         return GetStyleSheet()->GetCharacterStyle(i);
 452     }
 453     else if ((GetStyleType() == wxRICHTEXT_STYLE_LIST) && (i < GetStyleSheet()->GetListStyleCount()))
 454     {
 455         return GetStyleSheet()->GetListStyle(i);
 456     }
 457
 458     return NULL;
 459 }
 460
 461 /// Updates the list
 462 void wxRichTextStyleListBox::UpdateStyles()
 463 {
 464     if (GetStyleSheet())
 465     {
 466         SetSelection(wxNOT_FOUND);
 467
 468         if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 469             SetItemCount(GetStyleSheet()->GetParagraphStyleCount()+GetStyleSheet()->GetCharacterStyleCount()+GetStyleSheet()->GetListStyleCount());
 470         else if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 471             SetItemCount(GetStyleSheet()->GetParagraphStyleCount());
 472         else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 473             SetItemCount(GetStyleSheet()->GetCharacterStyleCount());
 474         else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
 475             SetItemCount(GetStyleSheet()->GetListStyleCount());
 476
 477         Refresh();
 478
 479         if (GetItemCount() > 0)
 480         {
 481             SetSelection(0);
 482             SendSelectedEvent();
 483         }
 484     }
 485 }
 486
 487 // Get index for style name
 488 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
 489 {
 490     if (GetStyleSheet())
 491     {
 492         int count = GetItemCount();
 493
 494         int i;
 495         for (i = 0; i < (int) count; i++)
 496         {
 497             wxRichTextStyleDefinition* def = GetStyle(i);
 498             if (def->GetName() == name)
 499                 return i;
 500         }
 501     }
 502     return -1;
 503 }
 504
 505 /// Set selection for string
 506 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
 507 {
 508     int i = GetIndexForStyle(name);
 509     if (i > -1)
 510         SetSelection(i);
 511     return i;
 512 }
 513
 514 // Convert a colour to a 6-digit hex string
 515 static wxString ColourToHexString(const wxColour& col)
 516 {
 517     wxString hex;
 518
 519     hex += wxDecToHex(col.Red());
 520     hex += wxDecToHex(col.Green());
 521     hex += wxDecToHex(col.Blue());
 522
 523     return hex;
 524 }
 525
 526 /// Creates a suitable HTML fragment for a definition
 527 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
 528 {
 529     // TODO: indicate list format for list style types
 530
 531     wxString str(wxT("<table><tr>"));
 532
 533     if (def->GetStyle().GetLeftIndent() > 0)
 534     {
 535         wxClientDC dc((wxWindow*) this);
 536
 537         str << wxT("<td width=") << (ConvertTenthsMMToPixels(dc, def->GetStyle().GetLeftIndent())/2) << wxT("></td>");
 538     }
 539
 540     str << wxT("<td nowrap>");
 541
 542 #ifdef __WXMSW__
 543     int size = 3;
 544 #else
 545     int size = 4;
 546 #endif
 547
 548     int stdFontSize = 12;
 549     int thisFontSize = ((def->GetStyle().GetFlags() & wxTEXT_ATTR_FONT_SIZE) != 0) ? def->GetStyle().GetFontSize() : stdFontSize;
 550
 551     if (thisFontSize < stdFontSize)
 552         size ++;
 553     else if (thisFontSize > stdFontSize)
 554         size --;
 555
 556     str += wxT("<font");
 557
 558     str << wxT(" size=") << size;
 559
 560     if (!def->GetStyle().GetFontFaceName().IsEmpty())
 561         str << wxT(" face=\"") << def->GetStyle().GetFontFaceName() << wxT("\"");
 562
 563     if (def->GetStyle().GetTextColour().Ok())
 564         str << wxT(" color=\"#") << ColourToHexString(def->GetStyle().GetTextColour()) << wxT("\"");
 565
 566     str << wxT(">");
 567
 568     bool hasBold = false;
 569     bool hasItalic = false;
 570     bool hasUnderline = false;
 571
 572     if (def->GetStyle().GetFontWeight() == wxBOLD)
 573         hasBold = true;
 574     if (def->GetStyle().GetFontStyle() == wxITALIC)
 575         hasItalic = true;
 576     if (def->GetStyle().GetFontUnderlined())
 577         hasUnderline = true;
 578
 579     if (hasBold)
 580         str << wxT("<b>");
 581     if (hasItalic)
 582         str << wxT("<i>");
 583     if (hasUnderline)
 584         str << wxT("<u>");
 585
 586     str += def->GetName();
 587
 588     if (hasUnderline)
 589         str << wxT("</u>");
 590     if (hasItalic)
 591         str << wxT("</i>");
 592     if (hasBold)
 593         str << wxT("</b>");
 594
 595     str << wxT("</font>");
 596
 597     str += wxT("</td></tr></table>");
 598     return str;
 599 }
 600
 601 // Convert units in tends of a millimetre to device units
 602 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
 603 {
 604     int ppi = dc.GetPPI().x;
 605
 606     // There are ppi pixels in 254.1 "1/10 mm"
 607
 608     double pixels = ((double) units * (double)ppi) / 254.1;
 609
 610     return (int) pixels;
 611 }
 612
 613 void wxRichTextStyleListBox::OnLeftDown(wxMouseEvent& event)
 614 {
 615     wxVListBox::OnLeftDown(event);
 616
 617     int item = HitTest(event.GetPosition());
 618     if (item != wxNOT_FOUND && GetApplyOnSelection())
 619         ApplyStyle(item);
 620 }
 621
 622 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
 623 {
 624     wxVListBox::OnLeftDown(event);
 625
 626     int item = HitTest(event.GetPosition());
 627     if (item != wxNOT_FOUND && !GetApplyOnSelection())
 628         ApplyStyle(item);
 629 }
 630
 631 /// Helper for listbox and combo control
 632 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
 633 {
 634     int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
 635
 636     wxRichTextParagraph* para = ctrl->GetBuffer().GetParagraphAtPosition(adjustedCaretPos);
 637     wxRichTextObject* obj = ctrl->GetBuffer().GetLeafObjectAtPosition(adjustedCaretPos);
 638
 639     wxString styleName;
 640
 641     // Take into account current default style just chosen by user
 642     if (ctrl->IsDefaultStyleShowing())
 643     {
 644         if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 645                           !ctrl->GetDefaultStyleEx().GetCharacterStyleName().IsEmpty())
 646             styleName = ctrl->GetDefaultStyleEx().GetCharacterStyleName();
 647         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 648                           !ctrl->GetDefaultStyleEx().GetParagraphStyleName().IsEmpty())
 649             styleName = ctrl->GetDefaultStyleEx().GetParagraphStyleName();
 650         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 651                           !ctrl->GetDefaultStyleEx().GetListStyleName().IsEmpty())
 652             styleName = ctrl->GetDefaultStyleEx().GetListStyleName();
 653     }
 654     else if (obj && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 655              !obj->GetAttributes().GetCharacterStyleName().IsEmpty())
 656     {
 657         styleName = obj->GetAttributes().GetCharacterStyleName();
 658     }
 659     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 660              !para->GetAttributes().GetParagraphStyleName().IsEmpty())
 661     {
 662         styleName = para->GetAttributes().GetParagraphStyleName();
 663     }
 664     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 665              !para->GetAttributes().GetListStyleName().IsEmpty())
 666     {
 667         styleName = para->GetAttributes().GetListStyleName();
 668     }
 669
 670     return styleName;
 671 }
 672
 673 /// Auto-select from style under caret in idle time
 674 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
 675 {
 676     if (CanAutoSetSelection() && GetRichTextCtrl() && wxWindow::FindFocus() != this)
 677     {
 678         wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
 679
 680         int sel = GetSelection();
 681         if (!styleName.IsEmpty())
 682         {
 683             // Don't do the selection if it's already set
 684             if (sel == GetIndexForStyle(styleName))
 685                 return;
 686
 687             SetStyleSelection(styleName);
 688         }
 689         else if (sel != -1)
 690             SetSelection(-1);
 691     }
 692     event.Skip();
 693 }
 694
 695 /// Do selection
 696 void wxRichTextStyleListBox::ApplyStyle(int item)
 697 {
 698     if ( item != wxNOT_FOUND )
 699     {
 700         wxRichTextStyleDefinition* def = GetStyle(item);
 701         if (def && GetRichTextCtrl())
 702         {
 703             GetRichTextCtrl()->ApplyStyle(def);
 704             GetRichTextCtrl()->SetFocus();
 705         }
 706     }
 707 }
 708
 709 /*!
 710  * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
 711  * switch shown style types
 712  */
 713
 714 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
 715
 716 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
 717     EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
 718     EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
 719 END_EVENT_TABLE()
 720
 721 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 722     const wxSize& size, long style)
 723 {
 724     Init();
 725     Create(parent, id, pos, size, style);
 726 }
 727
 728 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 729         const wxSize& size, long style)
 730 {
 731     wxControl::Create(parent, id, pos, size, style);
 732
 733     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 734     if (size != wxDefaultSize)
 735         SetBestFittingSize(size);
 736
 737     bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
 738
 739     m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, showSelector ? wxSIMPLE_BORDER : wxNO_BORDER);
 740
 741     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
 742
 743     if (showSelector)
 744     {
 745         wxArrayString choices;
 746         choices.Add(_("All styles"));
 747         choices.Add(_("Paragraph styles"));
 748         choices.Add(_("Character styles"));
 749         choices.Add(_("List styles"));
 750
 751         m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
 752
 753         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
 754         boxSizer->Add(m_styleChoice, 0, wxALL|wxEXPAND, 5);
 755     }
 756     else
 757     {
 758         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
 759     }
 760
 761     SetSizer(boxSizer);
 762     Layout();
 763
 764     m_dontUpdate = true;
 765
 766     if (m_styleChoice)
 767     {
 768         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 769         m_styleChoice->SetSelection(i);
 770     }
 771
 772     m_dontUpdate = false;
 773
 774     return true;
 775 }
 776
 777 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
 778 {
 779
 780 }
 781
 782 /// React to style type choice
 783 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
 784 {
 785     if (event.GetEventObject() != m_styleChoice)
 786         event.Skip();
 787     else
 788     {
 789         if (m_dontUpdate)
 790             return;
 791
 792         wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
 793         m_styleListBox->SetStyleType(styleType);
 794     }
 795 }
 796
 797 /// Lay out the controls
 798 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
 799 {
 800     if (GetAutoLayout())
 801         Layout();
 802 }
 803
 804 /// Get the choice index for style type
 805 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 806 {
 807     if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
 808     {
 809         return 0;
 810     }
 811     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
 812     {
 813         return 1;
 814     }
 815     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
 816     {
 817         return 2;
 818     }
 819     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
 820     {
 821         return 3;
 822     }
 823     return 0;
 824 }
 825
 826 /// Get the style type for choice index
 827 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
 828 {
 829     if (i == 1)
 830         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
 831     else if (i == 2)
 832         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
 833     else if (i == 3)
 834         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
 835
 836     return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 837 }
 838
 839 /// Associates the control with a style manager
 840 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
 841 {
 842     if (m_styleListBox)
 843         m_styleListBox->SetStyleSheet(styleSheet);
 844 }
 845
 846 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
 847 {
 848     if (m_styleListBox)
 849         return m_styleListBox->GetStyleSheet();
 850     else
 851         return NULL;
 852 }
 853
 854 /// Associates the control with a wxRichTextCtrl
 855 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
 856 {
 857     if (m_styleListBox)
 858         m_styleListBox->SetRichTextCtrl(ctrl);
 859 }
 860
 861 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
 862 {
 863     if (m_styleListBox)
 864         return m_styleListBox->GetRichTextCtrl();
 865     else
 866         return NULL;
 867 }
 868
 869 /// Set/get the style type to display
 870 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 871 {
 872     if (m_styleListBox)
 873         m_styleListBox->SetStyleType(styleType);
 874
 875     m_dontUpdate = true;
 876
 877     if (m_styleChoice)
 878     {
 879         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 880         m_styleChoice->SetSelection(i);
 881     }
 882
 883     m_dontUpdate = false;
 884 }
 885
 886 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
 887 {
 888     if (m_styleListBox)
 889         return m_styleListBox->GetStyleType();
 890     else
 891         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 892 }
 893
 894 /// Updates the style list box
 895 void wxRichTextStyleListCtrl::UpdateStyles()
 896 {
 897     if (m_styleListBox)
 898         m_styleListBox->UpdateStyles();
 899 }
 900
 901 #if wxUSE_COMBOCTRL
 902
 903 /*!
 904  * Style drop-down for a wxComboCtrl
 905  */
 906
 907
 908 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
 909     EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
 910     EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
 911 END_EVENT_TABLE()
 912
 913 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
 914 {
 915     m_value = SetStyleSelection(s);
 916 }
 917
 918 wxString wxRichTextStyleComboPopup::GetStringValue() const
 919 {
 920     int sel = m_value;
 921     if (sel > -1)
 922     {
 923         wxRichTextStyleDefinition* def = GetStyle(sel);
 924         if (def)
 925             return def->GetName();
 926     }
 927     return wxEmptyString;
 928 }
 929
 930 //
 931 // Popup event handlers
 932 //
 933
 934 // Mouse hot-tracking
 935 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
 936 {
 937     // Move selection to cursor if it is inside the popup
 938
 939     int itemHere = wxRichTextStyleListBox::HitTest(event.GetPosition());
 940     if ( itemHere >= 0 )
 941     {
 942         wxRichTextStyleListBox::SetSelection(itemHere);
 943         m_itemHere = itemHere;
 944     }
 945     event.Skip();
 946 }
 947
 948 // On mouse left, set the value and close the popup
 949 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
 950 {
 951     if (m_itemHere >= 0)
 952         m_value = m_itemHere;
 953
 954     // Ordering is important, so we don't dismiss this popup accidentally
 955     // by setting the focus elsewhere e.g. in ApplyStyle
 956     Dismiss();
 957
 958     if (m_itemHere >= 0)
 959         wxRichTextStyleListBox::ApplyStyle(m_itemHere);
 960 }
 961
 962 /*!
 963  * wxRichTextStyleComboCtrl
 964  * A combo for applying styles.
 965  */
 966
 967 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
 968
 969 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
 970     EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
 971 END_EVENT_TABLE()
 972
 973 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 974         const wxSize& size, long style)
 975 {
 976     if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
 977         return false;
 978
 979     SetPopupMaxHeight(400);
 980
 981     m_stylePopup = new wxRichTextStyleComboPopup;
 982
 983     SetPopupControl(m_stylePopup);
 984
 985     return true;
 986 }
 987
 988 /// Auto-select from style under caret in idle time
 989
 990 // TODO: must be able to show italic, bold, combinations
 991 // in style box. Do we have a concept of automatic, temporary
 992 // styles that are added whenever we wish to show a style
 993 // that doesn't exist already? E.g. "Bold, Italic, Underline".
 994 // Word seems to generate these things on the fly.
 995 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
 996 // If you unembolden text in a style that has bold, it uses the
 997 // term "Not bold".
 998 // TODO: order styles alphabetically. This means indexes can change,
 999 // so need a different way to specify selections, i.e. by name.
1000
1001 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1002 {
1003     if (GetRichTextCtrl() && !IsPopupShown() && m_stylePopup && wxWindow::FindFocus() != this)
1004     {
1005         wxString styleName = wxRichTextStyleListBox::GetStyleToShowInIdleTime(GetRichTextCtrl(), m_stylePopup->GetStyleType());
1006
1007         wxString currentValue = GetValue();
1008         if (!styleName.IsEmpty())
1009         {
1010             // Don't do the selection if it's already set
1011             if (currentValue == styleName)
1012                 return;
1013
1014             SetValue(styleName);
1015         }
1016         else if (!currentValue.IsEmpty())
1017             SetValue(wxEmptyString);
1018     }
1019     event.Skip();
1020 }
1021
1022 #endif
1023     // wxUSE_COMBOCTRL
1024
1025 #endif
1026     // wxUSE_HTML
1027
1028 #endif
1029     // wxUSE_RICHTEXT
1030