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 /// Gets the style combined with the base style
  57 wxRichTextAttr wxRichTextStyleDefinition::GetStyleMergedWithBase(const wxRichTextStyleSheet* sheet) const
  58 {
  59     if (!m_baseStyle.IsEmpty())
  60     {
  61         wxRichTextStyleDefinition* baseStyle = sheet->FindStyle(m_baseStyle);
  62         if (baseStyle)
  63         {
  64             wxRichTextAttr baseAttr = baseStyle->GetStyleMergedWithBase(sheet);
  65             baseAttr.Apply(m_style, NULL);
  66             return baseAttr;
  67         }
  68     }
  69     return m_style;
  70 }
  71
  72 /*!
  73  * Paragraph style definition
  74  */
  75
  76 void wxRichTextParagraphStyleDefinition::Copy(const wxRichTextParagraphStyleDefinition& def)
  77 {
  78     wxRichTextStyleDefinition::Copy(def);
  79
  80     m_nextStyle = def.m_nextStyle;
  81 }
  82
  83 bool wxRichTextParagraphStyleDefinition::operator ==(const wxRichTextParagraphStyleDefinition& def) const
  84 {
  85     return (Eq(def) && m_nextStyle == def.m_nextStyle);
  86 }
  87
  88 /*!
  89  * List style definition
  90  */
  91
  92 void wxRichTextListStyleDefinition::Copy(const wxRichTextListStyleDefinition& def)
  93 {
  94     wxRichTextParagraphStyleDefinition::Copy(def);
  95
  96     int i;
  97     for (i = 0; i < 10; i++)
  98         m_levelStyles[i] = def.m_levelStyles[i];
  99 }
 100
 101 bool wxRichTextListStyleDefinition::operator ==(const wxRichTextListStyleDefinition& def) const
 102 {
 103     if (!Eq(def))
 104         return false;
 105     int i;
 106     for (i = 0; i < 10; i++)
 107         if (!(m_levelStyles[i] == def.m_levelStyles[i]))
 108             return false;
 109
 110     return true;
 111 }
 112
 113 /// Sets/gets the attributes for the given level
 114 void wxRichTextListStyleDefinition::SetLevelAttributes(int i, const wxRichTextAttr& attr)
 115 {
 116     wxASSERT( (i >= 0 && i < 10) );
 117     if (i >= 0 && i < 10)
 118         m_levelStyles[i] = attr;
 119 }
 120
 121 const wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i) const
 122 {
 123     wxASSERT( (i >= 0 && i < 10) );
 124     if (i >= 0 && i < 10)
 125         return & m_levelStyles[i];
 126     else
 127         return NULL;
 128 }
 129
 130 wxRichTextAttr* wxRichTextListStyleDefinition::GetLevelAttributes(int i)
 131 {
 132     wxASSERT( (i >= 0 && i < 10) );
 133     if (i >= 0 && i < 10)
 134         return & m_levelStyles[i];
 135     else
 136         return NULL;
 137 }
 138
 139 /// Convenience function for setting the major attributes for a list level specification
 140 void wxRichTextListStyleDefinition::SetAttributes(int i, int leftIndent, int leftSubIndent, int bulletStyle, const wxString& bulletSymbol)
 141 {
 142     wxASSERT( (i >= 0 && i < 10) );
 143     if (i >= 0 && i < 10)
 144     {
 145         wxRichTextAttr attr;
 146
 147         attr.SetBulletStyle(bulletStyle);
 148         attr.SetLeftIndent(leftIndent, leftSubIndent);
 149
 150         if (!bulletSymbol.IsEmpty())
 151         {
 152             if (bulletStyle & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
 153                 attr.SetBulletText(bulletSymbol);
 154             else
 155                 attr.SetBulletName(bulletSymbol);
 156         }
 157
 158         m_levelStyles[i] = attr;
 159     }
 160 }
 161
 162 /// Finds the level corresponding to the given indentation
 163 int wxRichTextListStyleDefinition::FindLevelForIndent(int indent) const
 164 {
 165     int i;
 166     for (i = 0; i < 10; i++)
 167     {
 168         if (indent < m_levelStyles[i].GetLeftIndent())
 169         {
 170             if (i > 0)
 171                 return i - 1;
 172             else
 173                 return 0;
 174         }
 175     }
 176     return 9;
 177 }
 178
 179 /// Combine the list style with a paragraph style, using the given indent (from which
 180 /// an appropriate level is found)
 181 wxRichTextAttr wxRichTextListStyleDefinition::CombineWithParagraphStyle(int indent, const wxRichTextAttr& paraStyle, wxRichTextStyleSheet* styleSheet)
 182 {
 183     int listLevel = FindLevelForIndent(indent);
 184
 185     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 186     int oldLeftIndent = attr.GetLeftIndent();
 187     int oldLeftSubIndent = attr.GetLeftSubIndent();
 188
 189     // First apply the overall paragraph style, if any
 190     if (styleSheet)
 191         attr.Apply(GetStyleMergedWithBase(styleSheet));
 192     else
 193         attr.Apply(GetStyle());
 194
 195     // Then apply paragraph style, e.g. from paragraph style definition
 196     attr.Apply(paraStyle);
 197
 198     // We override the indents according to the list definition
 199     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 200
 201     return attr;
 202 }
 203
 204 /// Combine the base and list style, using the given indent (from which
 205 /// an appropriate level is found)
 206 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyle(int indent, wxRichTextStyleSheet* styleSheet)
 207 {
 208     int listLevel = FindLevelForIndent(indent);
 209     return GetCombinedStyleForLevel(listLevel, styleSheet);
 210 }
 211
 212 /// Combine the base and list style, using the given indent (from which
 213 /// an appropriate level is found)
 214 wxRichTextAttr wxRichTextListStyleDefinition::GetCombinedStyleForLevel(int listLevel, wxRichTextStyleSheet* styleSheet)
 215 {
 216     wxRichTextAttr attr(*GetLevelAttributes(listLevel));
 217     int oldLeftIndent = attr.GetLeftIndent();
 218     int oldLeftSubIndent = attr.GetLeftSubIndent();
 219
 220     // Apply the overall paragraph style, if any
 221     if (styleSheet)
 222         attr.Apply(GetStyleMergedWithBase(styleSheet));
 223     else
 224         attr.Apply(GetStyle());
 225
 226     // We override the indents according to the list definition
 227     attr.SetLeftIndent(oldLeftIndent, oldLeftSubIndent);
 228
 229     return attr;
 230 }
 231
 232 /// Is this a numbered list?
 233 bool wxRichTextListStyleDefinition::IsNumbered(int i) const
 234 {
 235     return (0 != (GetLevelAttributes(i)->GetFlags() &
 236                    (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER|wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER|
 237                     wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER|wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)));
 238 }
 239
 240 /*!
 241  * The style manager
 242  */
 243
 244 IMPLEMENT_CLASS(wxRichTextStyleSheet, wxObject)
 245
 246 wxRichTextStyleSheet::~wxRichTextStyleSheet()
 247 {
 248     DeleteStyles();
 249
 250     if (m_nextSheet)
 251         m_nextSheet->m_previousSheet = m_previousSheet;
 252
 253     if (m_previousSheet)
 254         m_previousSheet->m_nextSheet = m_nextSheet;
 255
 256     m_previousSheet = NULL;
 257     m_nextSheet = NULL;
 258 }
 259
 260 /// Initialisation
 261 void wxRichTextStyleSheet::Init()
 262 {
 263     m_previousSheet = NULL;
 264     m_nextSheet = NULL;
 265 }
 266
 267 /// Add a definition to one of the style lists
 268 bool wxRichTextStyleSheet::AddStyle(wxList& list, wxRichTextStyleDefinition* def)
 269 {
 270     if (!list.Find(def))
 271         list.Append(def);
 272     return true;
 273 }
 274
 275 /// Remove a style
 276 bool wxRichTextStyleSheet::RemoveStyle(wxList& list, wxRichTextStyleDefinition* def, bool deleteStyle)
 277 {
 278     wxList::compatibility_iterator node = list.Find(def);
 279     if (node)
 280     {
 281         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 282         list.Erase(node);
 283         if (deleteStyle)
 284             delete def;
 285         return true;
 286     }
 287     else
 288         return false;
 289 }
 290
 291 /// Remove a style
 292 bool wxRichTextStyleSheet::RemoveStyle(wxRichTextStyleDefinition* def, bool deleteStyle)
 293 {
 294     if (RemoveParagraphStyle(def, deleteStyle))
 295         return true;
 296     if (RemoveCharacterStyle(def, deleteStyle))
 297         return true;
 298     if (RemoveListStyle(def, deleteStyle))
 299         return true;
 300     return false;
 301 }
 302
 303 /// Find a definition by name
 304 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxList& list, const wxString& name, bool recurse) const
 305 {
 306     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 307     {
 308         wxRichTextStyleDefinition* def = (wxRichTextStyleDefinition*) node->GetData();
 309         if (def->GetName().Lower() == name.Lower())
 310             return def;
 311     }
 312
 313     if (m_nextSheet && recurse)
 314         return m_nextSheet->FindStyle(list, name, recurse);
 315
 316     return NULL;
 317 }
 318
 319 /// Delete all styles
 320 void wxRichTextStyleSheet::DeleteStyles()
 321 {
 322     WX_CLEAR_LIST(wxList, m_characterStyleDefinitions);
 323     WX_CLEAR_LIST(wxList, m_paragraphStyleDefinitions);
 324     WX_CLEAR_LIST(wxList, m_listStyleDefinitions);
 325 }
 326
 327 /// Insert into list of style sheets
 328 bool wxRichTextStyleSheet::InsertSheet(wxRichTextStyleSheet* before)
 329 {
 330     m_previousSheet = before->m_previousSheet;
 331     m_nextSheet = before;
 332
 333     before->m_previousSheet = this;
 334     return true;
 335 }
 336
 337 /// Append to list of style sheets
 338 bool wxRichTextStyleSheet::AppendSheet(wxRichTextStyleSheet* after)
 339 {
 340     wxRichTextStyleSheet* last = after;
 341     while (last && last->m_nextSheet)
 342     {
 343         last = last->m_nextSheet;
 344     }
 345
 346     if (last)
 347     {
 348         m_previousSheet = last;
 349         last->m_nextSheet = this;
 350
 351         return true;
 352     }
 353     else
 354         return false;
 355 }
 356
 357 /// Unlink from the list of style sheets
 358 void wxRichTextStyleSheet::Unlink()
 359 {
 360     if (m_previousSheet)
 361         m_previousSheet->m_nextSheet = m_nextSheet;
 362     if (m_nextSheet)
 363         m_nextSheet->m_previousSheet = m_previousSheet;
 364
 365     m_previousSheet = NULL;
 366     m_nextSheet = NULL;
 367 }
 368
 369 /// Add a definition to the character style list
 370 bool wxRichTextStyleSheet::AddCharacterStyle(wxRichTextCharacterStyleDefinition* def)
 371 {
 372     def->GetStyle().SetCharacterStyleName(def->GetName());
 373     return AddStyle(m_characterStyleDefinitions, def);
 374 }
 375
 376 /// Add a definition to the paragraph style list
 377 bool wxRichTextStyleSheet::AddParagraphStyle(wxRichTextParagraphStyleDefinition* def)
 378 {
 379     def->GetStyle().SetParagraphStyleName(def->GetName());
 380     return AddStyle(m_paragraphStyleDefinitions, def);
 381 }
 382
 383 /// Add a definition to the list style list
 384 bool wxRichTextStyleSheet::AddListStyle(wxRichTextListStyleDefinition* def)
 385 {
 386     def->GetStyle().SetListStyleName(def->GetName());
 387     return AddStyle(m_listStyleDefinitions, def);
 388 }
 389
 390 /// Add a definition to the appropriate style list
 391 bool wxRichTextStyleSheet::AddStyle(wxRichTextStyleDefinition* def)
 392 {
 393     wxRichTextListStyleDefinition* listDef = wxDynamicCast(def, wxRichTextListStyleDefinition);
 394     if (listDef)
 395         return AddListStyle(listDef);
 396
 397     wxRichTextParagraphStyleDefinition* paraDef = wxDynamicCast(def, wxRichTextParagraphStyleDefinition);
 398     if (paraDef)
 399         return AddParagraphStyle(paraDef);
 400
 401     wxRichTextCharacterStyleDefinition* charDef = wxDynamicCast(def, wxRichTextCharacterStyleDefinition);
 402     if (charDef)
 403         return AddCharacterStyle(charDef);
 404
 405     return false;
 406 }
 407
 408 /// Find any definition by name
 409 wxRichTextStyleDefinition* wxRichTextStyleSheet::FindStyle(const wxString& name, bool recurse) const
 410 {
 411     wxRichTextListStyleDefinition* listDef = FindListStyle(name, recurse);
 412     if (listDef)
 413         return listDef;
 414
 415     wxRichTextParagraphStyleDefinition* paraDef = FindParagraphStyle(name, recurse);
 416     if (paraDef)
 417         return paraDef;
 418
 419     wxRichTextCharacterStyleDefinition* charDef = FindCharacterStyle(name, recurse);
 420     if (charDef)
 421         return charDef;
 422
 423     return NULL;
 424 }
 425
 426 /// Copy
 427 void wxRichTextStyleSheet::Copy(const wxRichTextStyleSheet& sheet)
 428 {
 429     DeleteStyles();
 430
 431     wxList::compatibility_iterator node;
 432
 433     for (node = sheet.m_characterStyleDefinitions.GetFirst(); node; node = node->GetNext())
 434     {
 435         wxRichTextCharacterStyleDefinition* def = (wxRichTextCharacterStyleDefinition*) node->GetData();
 436         AddCharacterStyle(new wxRichTextCharacterStyleDefinition(*def));
 437     }
 438
 439     for (node = sheet.m_paragraphStyleDefinitions.GetFirst(); node; node = node->GetNext())
 440     {
 441         wxRichTextParagraphStyleDefinition* def = (wxRichTextParagraphStyleDefinition*) node->GetData();
 442         AddParagraphStyle(new wxRichTextParagraphStyleDefinition(*def));
 443     }
 444
 445     for (node = sheet.m_listStyleDefinitions.GetFirst(); node; node = node->GetNext())
 446     {
 447         wxRichTextListStyleDefinition* def = (wxRichTextListStyleDefinition*) node->GetData();
 448         AddListStyle(new wxRichTextListStyleDefinition(*def));
 449     }
 450
 451     SetName(sheet.GetName());
 452     SetDescription(sheet.GetDescription());
 453 }
 454
 455 /// Equality
 456 bool wxRichTextStyleSheet::operator==(const wxRichTextStyleSheet& WXUNUSED(sheet)) const
 457 {
 458     // TODO
 459     return false;
 460 }
 461
 462
 463 #if wxUSE_HTML
 464 /*!
 465  * wxRichTextStyleListBox: a listbox to display styles.
 466  */
 467
 468 IMPLEMENT_CLASS(wxRichTextStyleListBox, wxHtmlListBox)
 469
 470 BEGIN_EVENT_TABLE(wxRichTextStyleListBox, wxHtmlListBox)
 471     EVT_LEFT_DOWN(wxRichTextStyleListBox::OnLeftDown)
 472     EVT_LEFT_DCLICK(wxRichTextStyleListBox::OnLeftDoubleClick)
 473     EVT_IDLE(wxRichTextStyleListBox::OnIdle)
 474 END_EVENT_TABLE()
 475
 476 wxRichTextStyleListBox::wxRichTextStyleListBox(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 477     const wxSize& size, long style)
 478 {
 479     Init();
 480     Create(parent, id, pos, size, style);
 481 }
 482
 483 bool wxRichTextStyleListBox::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 484         const wxSize& size, long style)
 485 {
 486     return wxHtmlListBox::Create(parent, id, pos, size, style);
 487 }
 488
 489 wxRichTextStyleListBox::~wxRichTextStyleListBox()
 490 {
 491 }
 492
 493 /// Returns the HTML for this item
 494 wxString wxRichTextStyleListBox::OnGetItem(size_t n) const
 495 {
 496     if (!GetStyleSheet())
 497         return wxEmptyString;
 498
 499     wxRichTextStyleDefinition* def = GetStyle(n);
 500     if (def)
 501         return CreateHTML(def);
 502
 503     return wxEmptyString;
 504 }
 505
 506 // Get style for index
 507 wxRichTextStyleDefinition* wxRichTextStyleListBox::GetStyle(size_t i) const
 508 {
 509     if (!GetStyleSheet())
 510         return NULL;
 511
 512     if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 513     {
 514         // First paragraph styles, then character, then list
 515         if (i < GetStyleSheet()->GetParagraphStyleCount())
 516             return GetStyleSheet()->GetParagraphStyle(i);
 517
 518         if ((i - GetStyleSheet()->GetParagraphStyleCount()) < GetStyleSheet()->GetCharacterStyleCount())
 519             return GetStyleSheet()->GetCharacterStyle(i - GetStyleSheet()->GetParagraphStyleCount());
 520
 521         if ((i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount()) < GetStyleSheet()->GetListStyleCount())
 522             return GetStyleSheet()->GetListStyle(i - GetStyleSheet()->GetParagraphStyleCount() - GetStyleSheet()->GetCharacterStyleCount());
 523     }
 524     else if ((GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH) && (i < GetStyleSheet()->GetParagraphStyleCount()))
 525     {
 526         return GetStyleSheet()->GetParagraphStyle(i);
 527     }
 528     else if ((GetStyleType() == wxRICHTEXT_STYLE_CHARACTER) && (i < GetStyleSheet()->GetCharacterStyleCount()))
 529     {
 530         return GetStyleSheet()->GetCharacterStyle(i);
 531     }
 532     else if ((GetStyleType() == wxRICHTEXT_STYLE_LIST) && (i < GetStyleSheet()->GetListStyleCount()))
 533     {
 534         return GetStyleSheet()->GetListStyle(i);
 535     }
 536
 537     return NULL;
 538 }
 539
 540 /// Updates the list
 541 void wxRichTextStyleListBox::UpdateStyles()
 542 {
 543     if (GetStyleSheet())
 544     {
 545         SetSelection(wxNOT_FOUND);
 546
 547         if (GetStyleType() == wxRICHTEXT_STYLE_ALL)
 548             SetItemCount(GetStyleSheet()->GetParagraphStyleCount()+GetStyleSheet()->GetCharacterStyleCount()+GetStyleSheet()->GetListStyleCount());
 549         else if (GetStyleType() == wxRICHTEXT_STYLE_PARAGRAPH)
 550             SetItemCount(GetStyleSheet()->GetParagraphStyleCount());
 551         else if (GetStyleType() == wxRICHTEXT_STYLE_CHARACTER)
 552             SetItemCount(GetStyleSheet()->GetCharacterStyleCount());
 553         else if (GetStyleType() == wxRICHTEXT_STYLE_LIST)
 554             SetItemCount(GetStyleSheet()->GetListStyleCount());
 555
 556         Refresh();
 557
 558         if (GetItemCount() > 0)
 559         {
 560             SetSelection(0);
 561             SendSelectedEvent();
 562         }
 563     }
 564 }
 565
 566 // Get index for style name
 567 int wxRichTextStyleListBox::GetIndexForStyle(const wxString& name) const
 568 {
 569     if (GetStyleSheet())
 570     {
 571         int count = GetItemCount();
 572
 573         int i;
 574         for (i = 0; i < (int) count; i++)
 575         {
 576             wxRichTextStyleDefinition* def = GetStyle(i);
 577             if (def->GetName() == name)
 578                 return i;
 579         }
 580     }
 581     return -1;
 582 }
 583
 584 /// Set selection for string
 585 int wxRichTextStyleListBox::SetStyleSelection(const wxString& name)
 586 {
 587     int i = GetIndexForStyle(name);
 588     if (i > -1)
 589         SetSelection(i);
 590     return i;
 591 }
 592
 593 // Convert a colour to a 6-digit hex string
 594 static wxString ColourToHexString(const wxColour& col)
 595 {
 596     wxString hex;
 597
 598     hex += wxDecToHex(col.Red());
 599     hex += wxDecToHex(col.Green());
 600     hex += wxDecToHex(col.Blue());
 601
 602     return hex;
 603 }
 604
 605 /// Creates a suitable HTML fragment for a definition
 606 wxString wxRichTextStyleListBox::CreateHTML(wxRichTextStyleDefinition* def) const
 607 {
 608     // TODO: indicate list format for list style types
 609
 610     wxString str;
 611
 612     bool isCentred = false;
 613
 614     wxRichTextAttr attr(def->GetStyleMergedWithBase(GetStyleSheet()));
 615
 616     if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
 617         isCentred = true;
 618
 619     if (isCentred)
 620         str << wxT("<center>");
 621
 622
 623     str << wxT("<table><tr>");
 624
 625     if (attr.GetLeftIndent() > 0)
 626     {
 627         wxClientDC dc((wxWindow*) this);
 628
 629         str << wxT("<td width=") << wxMin(50, (ConvertTenthsMMToPixels(dc, attr.GetLeftIndent())/2)) << wxT("></td>");
 630     }
 631
 632     if (isCentred)
 633         str << wxT("<td nowrap align=\"center\">");
 634     else
 635         str << wxT("<td nowrap>");
 636
 637 #ifdef __WXMSW__
 638     int size = 3;
 639 #else
 640     int size = 4;
 641 #endif
 642
 643     int stdFontSize = 12;
 644     int thisFontSize = ((attr.GetFlags() & wxTEXT_ATTR_FONT_SIZE) != 0) ? attr.GetFontSize() : stdFontSize;
 645
 646     if (thisFontSize < stdFontSize)
 647         size ++;
 648     else if (thisFontSize > stdFontSize)
 649         size --;
 650
 651     str += wxT("<font");
 652
 653     str << wxT(" size=") << size;
 654
 655     if (!attr.GetFontFaceName().IsEmpty())
 656         str << wxT(" face=\"") << attr.GetFontFaceName() << wxT("\"");
 657
 658     if (attr.GetTextColour().Ok())
 659         str << wxT(" color=\"#") << ColourToHexString(attr.GetTextColour()) << wxT("\"");
 660
 661     str << wxT(">");
 662
 663     bool hasBold = false;
 664     bool hasItalic = false;
 665     bool hasUnderline = false;
 666
 667     if (attr.GetFontWeight() == wxBOLD)
 668         hasBold = true;
 669     if (attr.GetFontStyle() == wxITALIC)
 670         hasItalic = true;
 671     if (attr.GetFontUnderlined())
 672         hasUnderline = true;
 673
 674     if (hasBold)
 675         str << wxT("<b>");
 676     if (hasItalic)
 677         str << wxT("<i>");
 678     if (hasUnderline)
 679         str << wxT("<u>");
 680
 681     str += def->GetName();
 682
 683     if (hasUnderline)
 684         str << wxT("</u>");
 685     if (hasItalic)
 686         str << wxT("</i>");
 687     if (hasBold)
 688         str << wxT("</b>");
 689
 690     if (isCentred)
 691         str << wxT("</centre>");
 692
 693     str << wxT("</font>");
 694
 695     str << wxT("</td></tr></table>");
 696
 697     if (isCentred)
 698         str << wxT("</center>");
 699
 700     return str;
 701 }
 702
 703 // Convert units in tends of a millimetre to device units
 704 int wxRichTextStyleListBox::ConvertTenthsMMToPixels(wxDC& dc, int units) const
 705 {
 706     int ppi = dc.GetPPI().x;
 707
 708     // There are ppi pixels in 254.1 "1/10 mm"
 709
 710     double pixels = ((double) units * (double)ppi) / 254.1;
 711
 712     return (int) pixels;
 713 }
 714
 715 void wxRichTextStyleListBox::OnLeftDown(wxMouseEvent& event)
 716 {
 717     wxVListBox::OnLeftDown(event);
 718
 719     int item = HitTest(event.GetPosition());
 720     if (item != wxNOT_FOUND && GetApplyOnSelection())
 721         ApplyStyle(item);
 722 }
 723
 724 void wxRichTextStyleListBox::OnLeftDoubleClick(wxMouseEvent& event)
 725 {
 726     wxVListBox::OnLeftDown(event);
 727
 728     int item = HitTest(event.GetPosition());
 729     if (item != wxNOT_FOUND && !GetApplyOnSelection())
 730         ApplyStyle(item);
 731 }
 732
 733 /// Helper for listbox and combo control
 734 wxString wxRichTextStyleListBox::GetStyleToShowInIdleTime(wxRichTextCtrl* ctrl, wxRichTextStyleType styleType)
 735 {
 736     int adjustedCaretPos = ctrl->GetAdjustedCaretPosition(ctrl->GetCaretPosition());
 737
 738     wxRichTextParagraph* para = ctrl->GetBuffer().GetParagraphAtPosition(adjustedCaretPos);
 739     wxRichTextObject* obj = ctrl->GetBuffer().GetLeafObjectAtPosition(adjustedCaretPos);
 740
 741     wxString styleName;
 742
 743     // Take into account current default style just chosen by user
 744     if (ctrl->IsDefaultStyleShowing())
 745     {
 746         if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 747                           !ctrl->GetDefaultStyleEx().GetCharacterStyleName().IsEmpty())
 748             styleName = ctrl->GetDefaultStyleEx().GetCharacterStyleName();
 749         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 750                           !ctrl->GetDefaultStyleEx().GetParagraphStyleName().IsEmpty())
 751             styleName = ctrl->GetDefaultStyleEx().GetParagraphStyleName();
 752         else if ((styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 753                           !ctrl->GetDefaultStyleEx().GetListStyleName().IsEmpty())
 754             styleName = ctrl->GetDefaultStyleEx().GetListStyleName();
 755     }
 756     else if (obj && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_CHARACTER) &&
 757              !obj->GetAttributes().GetCharacterStyleName().IsEmpty())
 758     {
 759         styleName = obj->GetAttributes().GetCharacterStyleName();
 760     }
 761     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_PARAGRAPH) &&
 762              !para->GetAttributes().GetParagraphStyleName().IsEmpty())
 763     {
 764         styleName = para->GetAttributes().GetParagraphStyleName();
 765     }
 766     else if (para && (styleType == wxRICHTEXT_STYLE_ALL || styleType == wxRICHTEXT_STYLE_LIST) &&
 767              !para->GetAttributes().GetListStyleName().IsEmpty())
 768     {
 769         styleName = para->GetAttributes().GetListStyleName();
 770     }
 771
 772     return styleName;
 773 }
 774
 775 /// Auto-select from style under caret in idle time
 776 void wxRichTextStyleListBox::OnIdle(wxIdleEvent& event)
 777 {
 778     if (CanAutoSetSelection() && GetRichTextCtrl() && wxWindow::FindFocus() != this)
 779     {
 780         wxString styleName = GetStyleToShowInIdleTime(GetRichTextCtrl(), GetStyleType());
 781
 782         int sel = GetSelection();
 783         if (!styleName.IsEmpty())
 784         {
 785             // Don't do the selection if it's already set
 786             if (sel == GetIndexForStyle(styleName))
 787                 return;
 788
 789             SetStyleSelection(styleName);
 790         }
 791         else if (sel != -1)
 792             SetSelection(-1);
 793     }
 794     event.Skip();
 795 }
 796
 797 /// Do selection
 798 void wxRichTextStyleListBox::ApplyStyle(int item)
 799 {
 800     if ( item != wxNOT_FOUND )
 801     {
 802         wxRichTextStyleDefinition* def = GetStyle(item);
 803         if (def && GetRichTextCtrl())
 804         {
 805             GetRichTextCtrl()->ApplyStyle(def);
 806             GetRichTextCtrl()->SetFocus();
 807         }
 808     }
 809 }
 810
 811 /*!
 812  * wxRichTextStyleListCtrl class: manages a listbox and a choice control to
 813  * switch shown style types
 814  */
 815
 816 IMPLEMENT_CLASS(wxRichTextStyleListCtrl, wxControl)
 817
 818 BEGIN_EVENT_TABLE(wxRichTextStyleListCtrl, wxControl)
 819     EVT_CHOICE(wxID_ANY, wxRichTextStyleListCtrl::OnChooseType)
 820     EVT_SIZE(wxRichTextStyleListCtrl::OnSize)
 821 END_EVENT_TABLE()
 822
 823 wxRichTextStyleListCtrl::wxRichTextStyleListCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 824     const wxSize& size, long style)
 825 {
 826     Init();
 827     Create(parent, id, pos, size, style);
 828 }
 829
 830 bool wxRichTextStyleListCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
 831         const wxSize& size, long style)
 832 {
 833     wxControl::Create(parent, id, pos, size, style);
 834
 835     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 836     if (size != wxDefaultSize)
 837         SetInitialSize(size);
 838
 839     bool showSelector = ((style & wxRICHTEXTSTYLELIST_HIDE_TYPE_SELECTOR) == 0);
 840
 841     m_styleListBox = new wxRichTextStyleListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, showSelector ? wxSIMPLE_BORDER : wxNO_BORDER);
 842
 843     wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
 844
 845     if (showSelector)
 846     {
 847         wxArrayString choices;
 848         choices.Add(_("All styles"));
 849         choices.Add(_("Paragraph styles"));
 850         choices.Add(_("Character styles"));
 851         choices.Add(_("List styles"));
 852
 853         m_styleChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, choices);
 854
 855         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 5);
 856         boxSizer->Add(m_styleChoice, 0, wxALL|wxEXPAND, 5);
 857     }
 858     else
 859     {
 860         boxSizer->Add(m_styleListBox, 1, wxALL|wxEXPAND, 0);
 861     }
 862
 863     SetSizer(boxSizer);
 864     Layout();
 865
 866     m_dontUpdate = true;
 867
 868     if (m_styleChoice)
 869     {
 870         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 871         m_styleChoice->SetSelection(i);
 872     }
 873
 874     m_dontUpdate = false;
 875
 876     return true;
 877 }
 878
 879 wxRichTextStyleListCtrl::~wxRichTextStyleListCtrl()
 880 {
 881
 882 }
 883
 884 /// React to style type choice
 885 void wxRichTextStyleListCtrl::OnChooseType(wxCommandEvent& event)
 886 {
 887     if (event.GetEventObject() != m_styleChoice)
 888         event.Skip();
 889     else
 890     {
 891         if (m_dontUpdate)
 892             return;
 893
 894         wxRichTextStyleListBox::wxRichTextStyleType styleType = StyleIndexToType(event.GetSelection());
 895         m_styleListBox->SetStyleType(styleType);
 896     }
 897 }
 898
 899 /// Lay out the controls
 900 void wxRichTextStyleListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
 901 {
 902     if (GetAutoLayout())
 903         Layout();
 904 }
 905
 906 /// Get the choice index for style type
 907 int wxRichTextStyleListCtrl::StyleTypeToIndex(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 908 {
 909     if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL)
 910     {
 911         return 0;
 912     }
 913     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH)
 914     {
 915         return 1;
 916     }
 917     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER)
 918     {
 919         return 2;
 920     }
 921     else if (styleType == wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST)
 922     {
 923         return 3;
 924     }
 925     return 0;
 926 }
 927
 928 /// Get the style type for choice index
 929 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::StyleIndexToType(int i)
 930 {
 931     if (i == 1)
 932         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_PARAGRAPH;
 933     else if (i == 2)
 934         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_CHARACTER;
 935     else if (i == 3)
 936         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_LIST;
 937
 938     return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 939 }
 940
 941 /// Associates the control with a style manager
 942 void wxRichTextStyleListCtrl::SetStyleSheet(wxRichTextStyleSheet* styleSheet)
 943 {
 944     if (m_styleListBox)
 945         m_styleListBox->SetStyleSheet(styleSheet);
 946 }
 947
 948 wxRichTextStyleSheet* wxRichTextStyleListCtrl::GetStyleSheet() const
 949 {
 950     if (m_styleListBox)
 951         return m_styleListBox->GetStyleSheet();
 952     else
 953         return NULL;
 954 }
 955
 956 /// Associates the control with a wxRichTextCtrl
 957 void wxRichTextStyleListCtrl::SetRichTextCtrl(wxRichTextCtrl* ctrl)
 958 {
 959     if (m_styleListBox)
 960         m_styleListBox->SetRichTextCtrl(ctrl);
 961 }
 962
 963 wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
 964 {
 965     if (m_styleListBox)
 966         return m_styleListBox->GetRichTextCtrl();
 967     else
 968         return NULL;
 969 }
 970
 971 /// Set/get the style type to display
 972 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 973 {
 974     if (m_styleListBox)
 975         m_styleListBox->SetStyleType(styleType);
 976
 977     m_dontUpdate = true;
 978
 979     if (m_styleChoice)
 980     {
 981         int i = StyleTypeToIndex(m_styleListBox->GetStyleType());
 982         m_styleChoice->SetSelection(i);
 983     }
 984
 985     m_dontUpdate = false;
 986 }
 987
 988 wxRichTextStyleListBox::wxRichTextStyleType wxRichTextStyleListCtrl::GetStyleType() const
 989 {
 990     if (m_styleListBox)
 991         return m_styleListBox->GetStyleType();
 992     else
 993         return wxRichTextStyleListBox::wxRICHTEXT_STYLE_ALL;
 994 }
 995
 996 /// Updates the style list box
 997 void wxRichTextStyleListCtrl::UpdateStyles()
 998 {
 999     if (m_styleListBox)
1000         m_styleListBox->UpdateStyles();
1001 }
1002
1003 #if wxUSE_COMBOCTRL
1004
1005 /*!
1006  * Style drop-down for a wxComboCtrl
1007  */
1008
1009
1010 BEGIN_EVENT_TABLE(wxRichTextStyleComboPopup, wxRichTextStyleListBox)
1011     EVT_MOTION(wxRichTextStyleComboPopup::OnMouseMove)
1012     EVT_LEFT_DOWN(wxRichTextStyleComboPopup::OnMouseClick)
1013 END_EVENT_TABLE()
1014
1015 void wxRichTextStyleComboPopup::SetStringValue( const wxString& s )
1016 {
1017     m_value = SetStyleSelection(s);
1018 }
1019
1020 wxString wxRichTextStyleComboPopup::GetStringValue() const
1021 {
1022     int sel = m_value;
1023     if (sel > -1)
1024     {
1025         wxRichTextStyleDefinition* def = GetStyle(sel);
1026         if (def)
1027             return def->GetName();
1028     }
1029     return wxEmptyString;
1030 }
1031
1032 //
1033 // Popup event handlers
1034 //
1035
1036 // Mouse hot-tracking
1037 void wxRichTextStyleComboPopup::OnMouseMove(wxMouseEvent& event)
1038 {
1039     // Move selection to cursor if it is inside the popup
1040
1041     int itemHere = wxRichTextStyleListBox::HitTest(event.GetPosition());
1042     if ( itemHere >= 0 )
1043     {
1044         wxRichTextStyleListBox::SetSelection(itemHere);
1045         m_itemHere = itemHere;
1046     }
1047     event.Skip();
1048 }
1049
1050 // On mouse left, set the value and close the popup
1051 void wxRichTextStyleComboPopup::OnMouseClick(wxMouseEvent& WXUNUSED(event))
1052 {
1053     if (m_itemHere >= 0)
1054         m_value = m_itemHere;
1055
1056     // Ordering is important, so we don't dismiss this popup accidentally
1057     // by setting the focus elsewhere e.g. in ApplyStyle
1058     Dismiss();
1059
1060     if (m_itemHere >= 0)
1061         wxRichTextStyleListBox::ApplyStyle(m_itemHere);
1062 }
1063
1064 /*!
1065  * wxRichTextStyleComboCtrl
1066  * A combo for applying styles.
1067  */
1068
1069 IMPLEMENT_CLASS(wxRichTextStyleComboCtrl, wxComboCtrl)
1070
1071 BEGIN_EVENT_TABLE(wxRichTextStyleComboCtrl, wxComboCtrl)
1072     EVT_IDLE(wxRichTextStyleComboCtrl::OnIdle)
1073 END_EVENT_TABLE()
1074
1075 bool wxRichTextStyleComboCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos,
1076         const wxSize& size, long style)
1077 {
1078     if (!wxComboCtrl::Create(parent, id, wxEmptyString, pos, size, style))
1079         return false;
1080
1081     SetPopupMaxHeight(400);
1082
1083     m_stylePopup = new wxRichTextStyleComboPopup;
1084
1085     SetPopupControl(m_stylePopup);
1086
1087     return true;
1088 }
1089
1090 /// Auto-select from style under caret in idle time
1091
1092 // TODO: must be able to show italic, bold, combinations
1093 // in style box. Do we have a concept of automatic, temporary
1094 // styles that are added whenever we wish to show a style
1095 // that doesn't exist already? E.g. "Bold, Italic, Underline".
1096 // Word seems to generate these things on the fly.
1097 // If there's a named style already, it uses e.g. Heading1 + Bold, Italic
1098 // If you unembolden text in a style that has bold, it uses the
1099 // term "Not bold".
1100 // TODO: order styles alphabetically. This means indexes can change,
1101 // so need a different way to specify selections, i.e. by name.
1102
1103 void wxRichTextStyleComboCtrl::OnIdle(wxIdleEvent& event)
1104 {
1105     if (GetRichTextCtrl() && !IsPopupShown() && m_stylePopup && wxWindow::FindFocus() != this)
1106     {
1107         wxString styleName = wxRichTextStyleListBox::GetStyleToShowInIdleTime(GetRichTextCtrl(), m_stylePopup->GetStyleType());
1108
1109         wxString currentValue = GetValue();
1110         if (!styleName.IsEmpty())
1111         {
1112             // Don't do the selection if it's already set
1113             if (currentValue == styleName)
1114                 return;
1115
1116             SetValue(styleName);
1117         }
1118         else if (!currentValue.IsEmpty())
1119             SetValue(wxEmptyString);
1120     }
1121     event.Skip();
1122 }
1123
1124 #endif
1125     // wxUSE_COMBOCTRL
1126
1127 #endif
1128     // wxUSE_HTML
1129
1130 #endif
1131     // wxUSE_RICHTEXT