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     m_description = def.m_description;
  49 }
  50
  51 bool wxRichTextStyleDefinition::Eq(const wxRichTextStyleDefinition& def) const
  52 {
  53     return (m_name == def.m_name && m_baseStyle == def.m_baseStyle && m_style == def.m_style);
  54 }
  55
  56 /*!
  57  * Paragraph style definition
  58  */
  59
  60 void wxRichTextParagraphStyleDefinition::Copy(const wxRichTextParagraphStyleDefinition& def)
  61 {
  62     wxRichTextStyleDefinition::Copy(def);
  63
  64     m_nextStyle = def.m_nextStyle;
  65 }
  66
  67 bool wxRichTextParagraphStyleDefinition::operator ==(const wxRichTextParagraphStyleDefinition& def) const
  68 {
  69     return (Eq(def) && m_nextStyle == def.m_nextStyle);
  70 }
  71
  72 /*!
  73  * List style definition
  74  */
  75
  76 void wxRichTextListStyleDefinition::Copy(const wxRichTextListStyleDefinition& def)
  77 {
  78     wxRichTextParagraphStyleDefinition::Copy(def);
  79
  80     int i;
  81     for (i = 0; i < 10; i++)
  82         m_levelStyles[i] = def.m_levelStyles[i];
  83 }
  84
  85 bool wxRichTextListStyleDefinition::operator ==(const wxRichTextListStyleDefinition& def) const
  86 {
  87     if (!Eq(def))
  88         return false;
  89     int i;
  90     for (i = 0; i < 10; i++)
  91         if (!(m_levelStyles[i] == def.m_levelStyles[i]))
  92             return false;
  93
  94     return true;
  95 }
  96
  97 /// Sets/gets the attributes for the given level
  98 void wxRichTextListStyleDefinition::SetLevelAttributes(int i, const wxRichTextAttr& attr)
  99 {
 100     wxASSERT( (i >= 0 && i < 10) );
 101     if (i >= 0 && i < 10)
 102         m_levelStyles[i] = attr;
 103 }
 104
 105 const wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i) const
 106 {
 107     wxASSERT( (i >= 0 && i < 10) );
 108     if (i >= 0 && i < 10)
 109         return & m_levelStyles[i];
 110     else
 111         return NULL;
 112 }
 113
 114 wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i)
 115 {
 116     wxASSERT( (i >= 0 && i < 10) );
 117     if (i >= 0 && i < 10)
 118         return & m_levelStyles[i];
 119     else
 120         return NULL;
 121 }
 122
 123 /// Convenience function for setting the major attributes for a list level specification
 124 void wxRichTextListStyleDefinition::SetAttributes(int i, int leftIndent, int leftSubIndent, int bulletStyle, const wxString& bulletSymbol)
 125 {
 126     wxASSERT( (i >= 0 && i < 10) );
 127     if (i >= 0 && i < 10)
 128     {
 129         wxRichTextAttr attr;
 130
 131         attr.SetBulletStyle(bulletStyle);
 132         attr.SetLeftIndent(leftIndent, leftSubIndent);
 133
 134         if (!bulletSymbol.IsEmpty())
 135         {
 136             if (bulletStyle & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
 137                 attr.SetBulletText(bulletSymbol);
 138             else
 139                 attr.SetBulletName(bulletSymbol);
 140         }
 141
 142         m_levelStyles[i] = attr;
 143     }
 144 }
 145
 146 /// Finds the level corresponding to the given indentation
 147 int wxRichTextListStyleDefinition::FindLevelForIndent(int indent) const
 148 {
 149     int i;
 150     for (i = 0; i < 10; i++)
 151     {
 152         if (indent < m_levelStyles[i].GetLeftIndent())
 153         {
 154             if (i > 0)
 155                 return i - 1;
 156             else
 157                 return 0;
 158         }
 159     }
 160     return 9;
 161 }
 162
 163 /// Combine the list style with a paragraph style, using the given indent (from which
 164 /// an appropriate level is found)
 165 wxRichTextAttr wxRichTextListStyleDefinition::CombineWithParagraphStyle(int indent, const wxRichTextAttr& paraStyle)
 166 {
 167     int listLevel = FindLevelForIndent(indent);
 168
 169     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 170     int oldLeftIndent = attr.GetLeftIndent();
 171     int oldLeftSubIndent = attr.GetLeftSubIndent();
 172
 173     // First apply the overall paragraph style, if any
 174     wxRichTextApplyStyle(attr, GetStyle());
 175
 176     // Then apply paragraph style, e.g. from paragraph style definition
 177     wxRichTextApplyStyle(attr, paraStyle);
 178
 179     // We override the indents according to the list definition
 180     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 181
 182     return attr;
 183 }
 184
 185 /// Combine the base and list style, using the given indent (from which
 186 /// an appropriate level is found)
 187 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyle(int indent)
 188 {
 189     int listLevel = FindLevelForIndent(indent);
 190     return GetCombinedStyleForLevel(listLevel);
 191 }
 192
 193 /// Combine the base and list style, using the given indent (from which
 194 /// an appropriate level is found)
 195 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyleForLevel(int listLevel)
 196 {
 197     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 198     int oldLeftIndent = attr.GetLeftIndent();
 199     int oldLeftSubIndent = attr.GetLeftSubIndent();
 200
 201     // Apply the overall paragraph style, if any
 202     wxRichTextApplyStyle(attr, GetStyle());
 203
 204     // We override the indents according to the list definition
 205     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 206
 207     return attr;
 208 }
 209
 210 /// Is this a numbered list?
 211 bool wxRichTextListStyleDefinition::IsNumbered(int i) const
 212 {
 213     return (0 != (GetLevelAttributes(i)->GetFlags() &
 214                    (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER|wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|
 215                     wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)));
 216 }
 217
 218 /*!
 219  * The style manager
 220  */
 221
 222 IMPLEMENT_CLASS(wxRichTextStyleSheet, wxObject)
 223
 224 wxRichTextStyleSheet::~wxRichTextStyleSheet()
 225 {
 226     DeleteStyles();
 227
 228     if (m_nextSheet)
 229         m_nextSheet->m_previousSheet = m_previousSheet;
 230
 231     if (m_previousSheet)
 232         m_previousSheet->m_nextSheet = m_nextSheet;
 233
 234     m_previousSheet = NULL;
 235     m_nextSheet = NULL;
 236 }
 237
 238 /// Initialisation
 239 void wxRichTextStyleSheet::Init()
 240 {
 241     m_previousSheet = NULL;
 242     m_nextSheet = NULL;
 243 }
 244
 245 /// Add a definition to one of the style lists
 246 bool wxRichTextStyleSheet::AddStyle(wxList& list, wxRichTextStyleDefinition* def)
 247 {
 248     if (!list.Find(def))
 249         list.Append(def);
 250     return true;
 251 }
 252
 253 /// Remove a style
 254 bool wxRichTextStyleSheet::RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle)
 255 {
 256     wxList::compatibility_iterator node = list.Find(def);
 257     if (node)
 258     {
 259         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 260         list.Erase(node);
 261         if (deleteStyle)
 262             delete def;
 263         return true;
 264     }
 265     else
 266         return false;
 267 }
 268
 269 /// Find a definition by name
 270 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxList& list, const wxString& name, bool recurse) const
 271 {
 272     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 273     {
 274         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 275         if (def->GetName().Lower() == name.Lower())
 276             return def;
 277     }
 278
 279     if (m_nextSheet && recurse)
 280         return m_nextSheet->FindStyle(list, name, recurse);
 281
 282     return NULL;
 283 }
 284
 285 /// Delete all styles
 286 void wxRichTextStyleSheet::DeleteStyles()
 287 {
 288     WX_CLEAR_LIST(wxList, m_characterStyleDefinitions);
 289     WX_CLEAR_LIST(wxList, m_paragraphStyleDefinitions);
 290     WX_CLEAR_LIST(wxList, m_listStyleDefinitions);
 291 }
 292
 293 /// Insert into list of style sheets
 294 bool wxRichTextStyleSheet::InsertSheet(wxRichTextStyleSheet* before)
 295 {
 296     m_previousSheet = before->m_previousSheet;
 297     m_nextSheet = before;
 298
 299     before->m_previousSheet = this;
 300     return true;
 301 }
 302
 303 /// Append to list of style sheets
 304 bool wxRichTextStyleSheet::AppendSheet(wxRichTextStyleSheet* after)
 305 {
 306     wxRichTextStyleSheet* last = after;
 307     while (last && last->m_nextSheet)
 308     {
 309         last = last->m_nextSheet;
 310     }
 311
 312     if (last)
 313     {
 314         m_previousSheet = last;
 315         last->m_nextSheet = this;
 316
 317         return true;
 318     }
 319     else
 320         return false;
 321 }
 322
 323 /// Unlink from the list of style sheets
 324 void wxRichTextStyleSheet::Unlink()
 325 {
 326     if (m_previousSheet)
 327         m_previousSheet->m_nextSheet = m_nextSheet;
 328     if (m_nextSheet)
 329         m_nextSheet->m_previousSheet = m_previousSheet;
 330
 331     m_previousSheet = NULL;
 332     m_nextSheet = NULL;
 333 }
 334
 335 /// Add a definition to the character style list
 336 bool wxRichTextStyleSheet::AddCharacterStyle(wxRichTextCharacterStyleDefinition* def)
 337 {
 338     def->GetStyle().SetCharacterStyleName(def->GetName());
 339     return AddStyle(m_characterStyleDefinitions, def);
 340 }
 341
 342 /// Add a definition to the paragraph style list
 343 bool wxRichTextStyleSheet::AddParagraphStyle(wxRichTextParagraphStyleDefinition* def)
 344 {
 345     def->GetStyle().SetParagraphStyleName(def->GetName());
 346     return AddStyle(m_paragraphStyleDefinitions, def);
 347 }
 348
 349 /// Add a definition to the list style list
 350 bool wxRichTextStyleSheet::AddListStyle(wxRichTextListStyleDefinition* def)
 351 {
 352     def->GetStyle().SetListStyleName(def->GetName());
 353     return AddStyle(m_listStyleDefinitions, def);
 354 }
 355
 356 /// Copy
 357 void wxRichTextStyleSheet::Copy(const wxRichTextStyleSheet& sheet)
 358 {
 359     DeleteStyles();
 360
 361     wxList::compatibility_iterator node;
 362
 363     for (node = sheet.m_characterStyleDefinitions.GetFirst(); node; node = node->GetNext())
 364     {
 365         wxRichTextCharacterStyleDefinition* def = (wxRichTextCharacterStyleDefinition*) node->GetData();
 366         AddCharacterStyle(new wxRichTextCharacterStyleDefinition(*def));
 367     }
 368
 369     for (node = sheet.m_paragraphStyleDefinitions.GetFirst(); node; node = node->GetNext())
 370     {
 371         wxRichTextParagraphStyleDefinition* def = (wxRichTextParagraphStyleDefinition*) node->GetData();
 372         AddParagraphStyle(new wxRichTextParagraphStyleDefinition(*def));
 373     }
 374
 375     for (node = sheet.m_listStyleDefinitions.GetFirst(); node; node = node->GetNext())
 376     {
 377         wxRichTextListStyleDefinition* def = (wxRichTextListStyleDefinition*) node->GetData();
 378         AddListStyle(new wxRichTextListStyleDefinition(*def));
 379     }
 380
 381     SetName(sheet.GetName());
 382     SetDescription(sheet.GetDescription());
 383 }
 384
 385 /// Equality
 386 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
 387 {
 388     // TODO
 389     return false;
 390 }
 391
 392
 393 #if wxUSE_HTML
 394 /*!
 395  * wxRichTextStyleListBox: a listbox to display styles.
 396  */
 397
 398 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
 399
 400 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
 401     EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
 402     EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
 403     EVT_IDLE(wxRichTextStyleListBox::OnIdle)
 404 END_EVENT_TABLE()
 405
 406 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 407     const wxSize& size, long style)
 408 {
 409     Init();
 410     Create(parent, id, pos, size, style);
 411 }
 412
 413 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 414         const wxSize& size, long style)
 415 {
 416     return wxHtmlListBox::Create(parent, id, pos, size, style);
 417 }
 418
 419 wxRichTextStyleListBox::~wxRichTextStyleListBox()
 420 {
 421 }
 422
 423 /// Returns the HTML for this item
 424 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
 425 {
 426     if (!GetStyleSheet())
 427         return wxEmptyString;
 428
 429     wxRichTextStyleDefinition* def = GetStyle(n);
 430     if (def)
 431         return CreateHTML(def);
 432
 433     return wxEmptyString;
 434 }
 435
 436 // Get style for index
 437 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
 438 {
 439     if (!GetStyleSheet())
 440         return NULL;
 441
 442     if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 443     {
 444         // First paragraph styles, then character, then list
 445         if (i < GetStyleSheet()->GetParagraphStyleCount())
 446             return GetStyleSheet()->GetParagraphStyle(i);
 447
 448         if ((i - GetStyleSheet()->GetParagraphStyleCount()) < GetStyleSheet()->GetCharacterStyleCount())
 449             return GetStyleSheet()->GetCharacterStyle(i - GetStyleSheet()->GetParagraphStyleCount());
 450
 451         if ((i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount()) < GetStyleSheet()->GetListStyleCount())
 452             return GetStyleSheet()->GetListStyle(i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount());
 453     }
 454     else if ((GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH) && (i < GetStyleSheet()->GetParagraphStyleCount()))
 455     {
 456         return GetStyleSheet()->GetParagraphStyle(i);
 457     }
 458     else if ((GetStyleType() == wxRICHTEXT_STYLE_CHARACTER) && (i < GetStyleSheet()->GetCharacterStyleCount()))
 459     {
 460         return GetStyleSheet()->GetCharacterStyle(i);
 461     }
 462     else if ((GetStyleType() == wxRICHTEXT_STYLE_LIST) && (i < GetStyleSheet()->GetListStyleCount()))
 463     {
 464         return GetStyleSheet()->GetListStyle(i);
 465     }
 466
 467     return NULL;
 468 }
 469
 470 /// Updates the list
 471 void wxRichTextStyleListBox::UpdateStyles()
 472 {
 473     if (GetStyleSheet())
 474     {
 475         SetSelection(wxNOT_FOUND);
 476
 477         if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 478             SetItemCount(GetStyleSheet()->GetParagraphStyleCount()+GetStyleSheet()->GetCharacterStyleCount()+GetStyleSheet()->GetListStyleCount());
 479         else if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 480             SetItemCount(GetStyleSheet()->GetParagraphStyleCount());
 481         else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 482             SetItemCount(GetStyleSheet()->GetCharacterStyleCount());
 483         else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
 484             SetItemCount(GetStyleSheet()->GetListStyleCount());
 485
 486         Refresh();
 487
 488         if (GetItemCount() > 0)
 489         {
 490             SetSelection(0);
 491             SendSelectedEvent();
 492         }
 493     }
 494 }
 495
 496 // Get index for style name
 497 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
 498 {
 499     if (GetStyleSheet())
 500     {
 501         int count = GetItemCount();
 502
 503         int i;
 504         for (i = 0; i < (int) count; i++)
 505         {
 506             wxRichTextStyleDefinition* def = GetStyle(i);
 507             if (def->GetName() == name)
 508                 return i;
 509         }
 510     }
 511     return -1;
 512 }
 513
 514 /// Set selection for string
 515 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
 516 {
 517     int i = GetIndexForStyle(name);
 518     if (i > -1)
 519         SetSelection(i);
 520     return i;
 521 }
 522
 523 // Convert a colour to a 6-digit hex string
 524 static wxString ColourToHexString(const wxColour& col)
 525 {
 526     wxString hex;
 527
 528     hex += wxDecToHex(col.Red());
 529     hex += wxDecToHex(col.Green());
 530     hex += wxDecToHex(col.Blue());
 531
 532     return hex;
 533 }
 534
 535 /// Creates a suitable HTML fragment for a definition
 536 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
 537 {
 538     // TODO: indicate list format for list style types
 539
 540     wxString str(wxT("<table><tr>"));
 541
 542     if (def->GetStyle().GetLeftIndent() > 0)
 543     {
 544         wxClientDC dc((wxWindow*) this);
 545
 546         str << wxT("<td width=") << (ConvertTenthsMMToPixels(dc, def->GetStyle().GetLeftIndent())/2) << wxT("></td>");
 547     }
 548
 549     str << wxT("<td nowrap>");
 550
 551 #ifdef __WXMSW__
 552     int size = 3;
 553 #else
 554     int size = 4;
 555 #endif
 556
 557     int stdFontSize = 12;
 558     int thisFontSize = ((def->GetStyle().GetFlags() & wxTEXT_ATTR_FONT_SIZE) != 0) ? def->GetStyle().GetFontSize() : stdFontSize;
 559
 560     if (thisFontSize < stdFontSize)
 561         size ++;
 562     else if (thisFontSize > stdFontSize)
 563         size --;
 564
 565     str += wxT("<font");
 566
 567     str << wxT(" size=") << size;
 568
 569     if (!def->GetStyle().GetFontFaceName().IsEmpty())
 570         str << wxT(" face=\"") << def->GetStyle().GetFontFaceName() << wxT("\"");
 571
 572     if (def->GetStyle().GetTextColour().Ok())
 573         str << wxT(" color=\"#") << ColourToHexString(def->GetStyle().GetTextColour()) << wxT("\"");
 574
 575     str << wxT(">");
 576
 577     bool hasBold = false;
 578     bool hasItalic = false;
 579     bool hasUnderline = false;
 580
 581     if (def->GetStyle().GetFontWeight() == wxBOLD)
 582         hasBold = true;
 583     if (def->GetStyle().GetFontStyle() == wxITALIC)
 584         hasItalic = true;
 585     if (def->GetStyle().GetFontUnderlined())
 586         hasUnderline = true;
 587
 588     if (hasBold)
 589         str << wxT("<b>");
 590     if (hasItalic)
 591         str << wxT("<i>");
 592     if (hasUnderline)
 593         str << wxT("<u>");
 594
 595     str += def->GetName();
 596
 597     if (hasUnderline)
 598         str << wxT("</u>");
 599     if (hasItalic)
 600         str << wxT("</i>");
 601     if (hasBold)
 602         str << wxT("</b>");
 603
 604     str << wxT("</font>");
 605
 606     str += wxT("</td></tr></table>");
 607     return str;
 608 }
 609
 610 // Convert units in tends of a millimetre to device units
 611 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
 612 {
 613     int ppi = dc.GetPPI().x;
 614
 615     // There are ppi pixels in 254.1 "1/10 mm"
 616
 617     double pixels = ((double) units * (double)ppi) / 254.1;
 618
 619     return (int) pixels;
 620 }
 621
 622 void wxRichTextStyleListBox::OnLeftDown(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 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
 632 {
 633     wxVListBox::OnLeftDown(event);
 634
 635     int item = HitTest(event.GetPosition());
 636     if (item != wxNOT_FOUND && !GetApplyOnSelection())
 637         ApplyStyle(item);
 638 }
 639
 640 /// Helper for listbox and combo control
 641 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
 642 {
 643     int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
 644
 645     wxRichTextParagraph* para = ctrl->GetBuffer().GetParagraphAtPosition(adjustedCaretPos);
 646     wxRichTextObject* obj = ctrl->GetBuffer().GetLeafObjectAtPosition(adjustedCaretPos);
 647
 648     wxString styleName;
 649
 650     // Take into account current default style just chosen by user
 651     if (ctrl->IsDefaultStyleShowing())
 652     {
 653         if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 654                           !ctrl->GetDefaultStyleEx().GetCharacterStyleName().IsEmpty())
 655             styleName = ctrl->GetDefaultStyleEx().GetCharacterStyleName();
 656         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 657                           !ctrl->GetDefaultStyleEx().GetParagraphStyleName().IsEmpty())
 658             styleName = ctrl->GetDefaultStyleEx().GetParagraphStyleName();
 659         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 660                           !ctrl->GetDefaultStyleEx().GetListStyleName().IsEmpty())
 661             styleName = ctrl->GetDefaultStyleEx().GetListStyleName();
 662     }
 663     else if (obj && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 664              !obj->GetAttributes().GetCharacterStyleName().IsEmpty())
 665     {
 666         styleName = obj->GetAttributes().GetCharacterStyleName();
 667     }
 668     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 669              !para->GetAttributes().GetParagraphStyleName().IsEmpty())
 670     {
 671         styleName = para->GetAttributes().GetParagraphStyleName();
 672     }
 673     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 674              !para->GetAttributes().GetListStyleName().IsEmpty())
 675     {
 676         styleName = para->GetAttributes().GetListStyleName();
 677     }
 678
 679     return styleName;
 680 }
 681
 682 /// Auto-select from style under caret in idle time
 683 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
 684 {
 685     if (CanAutoSetSelection() && GetRichTextCtrl() && wxWindow::FindFocus() != this)
 686     {
 687         wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
 688
 689         int sel = GetSelection();
 690         if (!styleName.IsEmpty())
 691         {
 692             // Don't do the selection if it's already set
 693             if (sel == GetIndexForStyle(styleName))
 694                 return;
 695
 696             SetStyleSelection(styleName);
 697         }
 698         else if (sel != -1)
 699             SetSelection(-1);
 700     }
 701     event.Skip();
 702 }
 703
 704 /// Do selection
 705 void wxRichTextStyleListBox::ApplyStyle(int item)
 706 {
 707     if ( item != wxNOT_FOUND )
 708     {
 709         wxRichTextStyleDefinition* def = GetStyle(item);
 710         if (def && GetRichTextCtrl())
 711         {
 712             GetRichTextCtrl()->ApplyStyle(def);
 713             GetRichTextCtrl()->SetFocus();
 714         }
 715     }
 716 }
 717
 718 /*!
 719  * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
 720  * switch shown style types
 721  */
 722
 723 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
 724
 725 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
 726     EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
 727     EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
 728 END_EVENT_TABLE()
 729
 730 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 731     const wxSize& size, long style)
 732 {
 733     Init();
 734     Create(parent, id, pos, size, style);
 735 }
 736
 737 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 738         const wxSize& size, long style)
 739 {
 740     wxControl::Create(parent, id, pos, size, style);
 741
 742     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 743     if (size != wxDefaultSize)
 744         SetInitialSize(size);
 745
 746     bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
 747
 748     m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, showSelector ? wxSIMPLE_BORDER : wxNO_BORDER);
 749
 750     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
 751
 752     if (showSelector)
 753     {
 754         wxArrayString choices;
 755         choices.Add(_("All styles"));
 756         choices.Add(_("Paragraph styles"));
 757         choices.Add(_("Character styles"));
 758         choices.Add(_("List styles"));
 759
 760         m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
 761
 762         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
 763         boxSizer->Add(m_styleChoice, 0, wxALL|wxEXPAND, 5);
 764     }
 765     else
 766     {
 767         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
 768     }
 769
 770     SetSizer(boxSizer);
 771     Layout();
 772
 773     m_dontUpdate = true;
 774
 775     if (m_styleChoice)
 776     {
 777         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 778         m_styleChoice->SetSelection(i);
 779     }
 780
 781     m_dontUpdate = false;
 782
 783     return true;
 784 }
 785
 786 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
 787 {
 788
 789 }
 790
 791 /// React to style type choice
 792 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
 793 {
 794     if (event.GetEventObject() != m_styleChoice)
 795         event.Skip();
 796     else
 797     {
 798         if (m_dontUpdate)
 799             return;
 800
 801         wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
 802         m_styleListBox->SetStyleType(styleType);
 803     }
 804 }
 805
 806 /// Lay out the controls
 807 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
 808 {
 809     if (GetAutoLayout())
 810         Layout();
 811 }
 812
 813 /// Get the choice index for style type
 814 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 815 {
 816     if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
 817     {
 818         return 0;
 819     }
 820     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
 821     {
 822         return 1;
 823     }
 824     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
 825     {
 826         return 2;
 827     }
 828     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
 829     {
 830         return 3;
 831     }
 832     return 0;
 833 }
 834
 835 /// Get the style type for choice index
 836 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
 837 {
 838     if (i == 1)
 839         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
 840     else if (i == 2)
 841         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
 842     else if (i == 3)
 843         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
 844
 845     return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 846 }
 847
 848 /// Associates the control with a style manager
 849 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
 850 {
 851     if (m_styleListBox)
 852         m_styleListBox->SetStyleSheet(styleSheet);
 853 }
 854
 855 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
 856 {
 857     if (m_styleListBox)
 858         return m_styleListBox->GetStyleSheet();
 859     else
 860         return NULL;
 861 }
 862
 863 /// Associates the control with a wxRichTextCtrl
 864 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
 865 {
 866     if (m_styleListBox)
 867         m_styleListBox->SetRichTextCtrl(ctrl);
 868 }
 869
 870 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
 871 {
 872     if (m_styleListBox)
 873         return m_styleListBox->GetRichTextCtrl();
 874     else
 875         return NULL;
 876 }
 877
 878 /// Set/get the style type to display
 879 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 880 {
 881     if (m_styleListBox)
 882         m_styleListBox->SetStyleType(styleType);
 883
 884     m_dontUpdate = true;
 885
 886     if (m_styleChoice)
 887     {
 888         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 889         m_styleChoice->SetSelection(i);
 890     }
 891
 892     m_dontUpdate = false;
 893 }
 894
 895 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
 896 {
 897     if (m_styleListBox)
 898         return m_styleListBox->GetStyleType();
 899     else
 900         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 901 }
 902
 903 /// Updates the style list box
 904 void wxRichTextStyleListCtrl::UpdateStyles()
 905 {
 906     if (m_styleListBox)
 907         m_styleListBox->UpdateStyles();
 908 }
 909
 910 #if wxUSE_COMBOCTRL
 911
 912 /*!
 913  * Style drop-down for a wxComboCtrl
 914  */
 915
 916
 917 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
 918     EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
 919     EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
 920 END_EVENT_TABLE()
 921
 922 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
 923 {
 924     m_value = SetStyleSelection(s);
 925 }
 926
 927 wxString wxRichTextStyleComboPopup::GetStringValue() const
 928 {
 929     int sel = m_value;
 930     if (sel > -1)
 931     {
 932         wxRichTextStyleDefinition* def = GetStyle(sel);
 933         if (def)
 934             return def->GetName();
 935     }
 936     return wxEmptyString;
 937 }
 938
 939 //
 940 // Popup event handlers
 941 //
 942
 943 // Mouse hot-tracking
 944 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
 945 {
 946     // Move selection to cursor if it is inside the popup
 947
 948     int itemHere = wxRichTextStyleListBox::HitTest(event.GetPosition());
 949     if ( itemHere >= 0 )
 950     {
 951         wxRichTextStyleListBox::SetSelection(itemHere);
 952         m_itemHere = itemHere;
 953     }
 954     event.Skip();
 955 }
 956
 957 // On mouse left, set the value and close the popup
 958 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
 959 {
 960     if (m_itemHere >= 0)
 961         m_value = m_itemHere;
 962
 963     // Ordering is important, so we don't dismiss this popup accidentally
 964     // by setting the focus elsewhere e.g. in ApplyStyle
 965     Dismiss();
 966
 967     if (m_itemHere >= 0)
 968         wxRichTextStyleListBox::ApplyStyle(m_itemHere);
 969 }
 970
 971 /*!
 972  * wxRichTextStyleComboCtrl
 973  * A combo for applying styles.
 974  */
 975
 976 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
 977
 978 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
 979     EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
 980 END_EVENT_TABLE()
 981
 982 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 983         const wxSize& size, long style)
 984 {
 985     if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
 986         return false;
 987
 988     SetPopupMaxHeight(400);
 989
 990     m_stylePopup = new wxRichTextStyleComboPopup;
 991
 992     SetPopupControl(m_stylePopup);
 993
 994     return true;
 995 }
 996
 997 /// Auto-select from style under caret in idle time
 998
 999 // TODO: must be able to show italic, bold, combinations
1000 // in style box. Do we have a concept of automatic, temporary
1001 // styles that are added whenever we wish to show a style
1002 // that doesn't exist already? E.g. "Bold, Italic, Underline".
1003 // Word seems to generate these things on the fly.
1004 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
1005 // If you unembolden text in a style that has bold, it uses the
1006 // term "Not bold".
1007 // TODO: order styles alphabetically. This means indexes can change,
1008 // so need a different way to specify selections, i.e. by name.
1009
1010 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1011 {
1012     if (GetRichTextCtrl() && !IsPopupShown() && m_stylePopup && wxWindow::FindFocus() != this)
1013     {
1014         wxString styleName = wxRichTextStyleListBox::GetStyleToShowInIdleTime(GetRichTextCtrl(), m_stylePopup->GetStyleType());
1015
1016         wxString currentValue = GetValue();
1017         if (!styleName.IsEmpty())
1018         {
1019             // Don't do the selection if it's already set
1020             if (currentValue == styleName)
1021                 return;
1022
1023             SetValue(styleName);
1024         }
1025         else if (!currentValue.IsEmpty())
1026             SetValue(wxEmptyString);
1027     }
1028     event.Skip();
1029 }
1030
1031 #endif
1032     // wxUSE_COMBOCTRL
1033
1034 #endif
1035     // wxUSE_HTML
1036
1037 #endif
1038     // wxUSE_RICHTEXT