src/stc/PlatWX.cpp

   1 // Scintilla source code edit control
   2 // PlatWX.cxx - implementation of platform facilities on wxWidgets
   3 // Copyright 1998-1999 by Neil Hodgson <neilh@scintilla.org>
   4 //                        Robin Dunn <robin@aldunn.com>
   5 // The License.txt file describes the conditions under which this software may be distributed.
   6
   7 #include <ctype.h>
   8
   9 #include <wx/wx.h>
  10 #include <wx/encconv.h>
  11 #include <wx/listctrl.h>
  12 #include <wx/mstream.h>
  13 #include <wx/image.h>
  14 #include <wx/imaglist.h>
  15
  16 #include "Platform.h"
  17 #include "PlatWX.h"
  18 #include "wx/stc/stc.h"
  19
  20
  21 #ifdef __WXGTK__
  22 #include <gtk/gtk.h>
  23 #endif
  24
  25
  26 Point Point::FromLong(long lpoint) {
  27     return Point(lpoint & 0xFFFF, lpoint >> 16);
  28 }
  29
  30 wxRect wxRectFromPRectangle(PRectangle prc) {
  31     wxRect r(prc.left, prc.top,
  32              prc.Width(), prc.Height());
  33     return r;
  34 }
  35
  36 PRectangle PRectangleFromwxRect(wxRect rc) {
  37     return PRectangle(rc.GetLeft(), rc.GetTop(),
  38                       rc.GetRight()+1, rc.GetBottom()+1);
  39 }
  40
  41 wxColour wxColourFromCA(const ColourAllocated& ca) {
  42     ColourDesired cd(ca.AsLong());
  43     return wxColour((unsigned char)cd.GetRed(),
  44                     (unsigned char)cd.GetGreen(),
  45                     (unsigned char)cd.GetBlue());
  46 }
  47
  48 //----------------------------------------------------------------------
  49
  50 Palette::Palette() {
  51     used = 0;
  52     allowRealization = false;
  53 }
  54
  55 Palette::~Palette() {
  56     Release();
  57 }
  58
  59 void Palette::Release() {
  60     used = 0;
  61 }
  62
  63 // This method either adds a colour to the list of wanted colours (want==true)
  64 // or retrieves the allocated colour back to the ColourPair.
  65 // This is one method to make it easier to keep the code for wanting and retrieving in sync.
  66 void Palette::WantFind(ColourPair &cp, bool want) {
  67     if (want) {
  68         for (int i=0; i < used; i++) {
  69             if (entries[i].desired == cp.desired)
  70                 return;
  71         }
  72
  73         if (used < numEntries) {
  74             entries[used].desired = cp.desired;
  75             entries[used].allocated.Set(cp.desired.AsLong());
  76             used++;
  77         }
  78     } else {
  79         for (int i=0; i < used; i++) {
  80             if (entries[i].desired == cp.desired) {
  81                 cp.allocated = entries[i].allocated;
  82                 return;
  83             }
  84         }
  85         cp.allocated.Set(cp.desired.AsLong());
  86     }
  87 }
  88
  89 void Palette::Allocate(Window &) {
  90     if (allowRealization) {
  91     }
  92 }
  93
  94
  95 //----------------------------------------------------------------------
  96
  97 Font::Font() {
  98     id = 0;
  99     ascent = 0;
 100 }
 101
 102 Font::~Font() {
 103 }
 104
 105 void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic, bool extraFontFlag) {
 106     wxFontEncoding encoding;
 107
 108     Release();
 109
 110     switch (characterSet) {
 111         default:
 112         case wxSTC_CHARSET_ANSI:
 113         case wxSTC_CHARSET_DEFAULT:
 114             encoding = wxFONTENCODING_DEFAULT;
 115             break;
 116
 117         case wxSTC_CHARSET_BALTIC:
 118             encoding = wxFONTENCODING_ISO8859_13;
 119             break;
 120
 121         case wxSTC_CHARSET_CHINESEBIG5:
 122             encoding = wxFONTENCODING_CP950;
 123             break;
 124
 125         case wxSTC_CHARSET_EASTEUROPE:
 126             encoding = wxFONTENCODING_ISO8859_2;
 127             break;
 128
 129         case wxSTC_CHARSET_GB2312:
 130             encoding = wxFONTENCODING_CP936;
 131             break;
 132
 133         case wxSTC_CHARSET_GREEK:
 134             encoding = wxFONTENCODING_ISO8859_7;
 135             break;
 136
 137         case wxSTC_CHARSET_HANGUL:
 138             encoding = wxFONTENCODING_CP949;
 139             break;
 140
 141         case wxSTC_CHARSET_MAC:
 142             encoding = wxFONTENCODING_DEFAULT;
 143             break;
 144
 145         case wxSTC_CHARSET_OEM:
 146             encoding = wxFONTENCODING_DEFAULT;
 147             break;
 148
 149         case wxSTC_CHARSET_RUSSIAN:
 150             encoding = wxFONTENCODING_KOI8;
 151             break;
 152
 153         case wxSTC_CHARSET_SHIFTJIS:
 154             encoding = wxFONTENCODING_CP932;
 155             break;
 156
 157         case wxSTC_CHARSET_SYMBOL:
 158             encoding = wxFONTENCODING_DEFAULT;
 159             break;
 160
 161         case wxSTC_CHARSET_TURKISH:
 162             encoding = wxFONTENCODING_ISO8859_9;
 163             break;
 164
 165         case wxSTC_CHARSET_JOHAB:
 166             encoding = wxFONTENCODING_DEFAULT;
 167             break;
 168
 169         case wxSTC_CHARSET_HEBREW:
 170             encoding = wxFONTENCODING_ISO8859_8;
 171             break;
 172
 173         case wxSTC_CHARSET_ARABIC:
 174             encoding = wxFONTENCODING_ISO8859_6;
 175             break;
 176
 177         case wxSTC_CHARSET_VIETNAMESE:
 178             encoding = wxFONTENCODING_DEFAULT;
 179             break;
 180
 181         case wxSTC_CHARSET_THAI:
 182             encoding = wxFONTENCODING_ISO8859_11;
 183             break;
 184     }
 185
 186     wxFontEncodingArray ea = wxEncodingConverter::GetPlatformEquivalents(encoding);
 187     if (ea.GetCount())
 188         encoding = ea[0];
 189
 190     wxFont* font = new wxFont(size,
 191                     wxDEFAULT,
 192                     italic ? wxITALIC :  wxNORMAL,
 193                     bold ? wxBOLD : wxNORMAL,
 194                     false,
 195                     stc2wx(faceName),
 196                     encoding);
 197     font->SetNoAntiAliasing(!extraFontFlag);
 198     id = font;
 199 }
 200
 201
 202 void Font::Release() {
 203     if (id)
 204         delete (wxFont*)id;
 205     id = 0;
 206 }
 207
 208 //----------------------------------------------------------------------
 209
 210 class SurfaceImpl : public Surface {
 211 private:
 212     wxDC*       hdc;
 213     bool        hdcOwned;
 214     wxBitmap*   bitmap;
 215     int         x;
 216     int         y;
 217     bool        unicodeMode;
 218
 219 public:
 220     SurfaceImpl();
 221     ~SurfaceImpl();
 222
 223     virtual void Init(WindowID wid);
 224     virtual void Init(SurfaceID sid, WindowID wid);
 225     virtual void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
 226
 227     virtual void Release();
 228     virtual bool Initialised();
 229     virtual void PenColour(ColourAllocated fore);
 230     virtual int LogPixelsY();
 231     virtual int DeviceHeightFont(int points);
 232     virtual void MoveTo(int x_, int y_);
 233     virtual void LineTo(int x_, int y_);
 234     virtual void Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back);
 235     virtual void RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 236     virtual void FillRectangle(PRectangle rc, ColourAllocated back);
 237     virtual void FillRectangle(PRectangle rc, Surface &surfacePattern);
 238     virtual void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 239     virtual void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 240     virtual void Copy(PRectangle rc, Point from, Surface &surfaceSource);
 241
 242     virtual void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 243     virtual void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 244     virtual void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore);
 245     virtual void MeasureWidths(Font &font_, const char *s, int len, int *positions);
 246     virtual int WidthText(Font &font_, const char *s, int len);
 247     virtual int WidthChar(Font &font_, char ch);
 248     virtual int Ascent(Font &font_);
 249     virtual int Descent(Font &font_);
 250     virtual int InternalLeading(Font &font_);
 251     virtual int ExternalLeading(Font &font_);
 252     virtual int Height(Font &font_);
 253     virtual int AverageCharWidth(Font &font_);
 254
 255     virtual int SetPalette(Palette *pal, bool inBackGround);
 256     virtual void SetClip(PRectangle rc);
 257     virtual void FlushCachedState();
 258
 259     virtual void SetUnicodeMode(bool unicodeMode_);
 260     virtual void SetDBCSMode(int codePage);
 261
 262     void BrushColour(ColourAllocated back);
 263     void SetFont(Font &font_);
 264 };
 265
 266
 267
 268 SurfaceImpl::SurfaceImpl() :
 269     hdc(0), hdcOwned(0), bitmap(0),
 270     x(0), y(0), unicodeMode(0)
 271 {}
 272
 273 SurfaceImpl::~SurfaceImpl() {
 274     Release();
 275 }
 276
 277 void SurfaceImpl::Init(WindowID wid) {
 278 #if 0
 279     Release();
 280     hdc = new wxMemoryDC();
 281     hdcOwned = true;
 282 #else
 283     // On Mac and GTK the DC is not really valid until it has a bitmap
 284     // selected into it.  So instead of just creating the DC with no bitmap,
 285     // go ahead and give it one.
 286     InitPixMap(1,1,NULL,wid);
 287 #endif
 288 }
 289
 290 void SurfaceImpl::Init(SurfaceID hdc_, WindowID) {
 291     Release();
 292     hdc = (wxDC*)hdc_;
 293 }
 294
 295 void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID) {
 296     Release();
 297     hdc = new wxMemoryDC();
 298     hdcOwned = true;
 299     if (width < 1) width = 1;
 300     if (height < 1) height = 1;
 301     bitmap = new wxBitmap(width, height);
 302     ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
 303 }
 304
 305
 306 void SurfaceImpl::Release() {
 307     if (bitmap) {
 308         ((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
 309         delete bitmap;
 310         bitmap = 0;
 311     }
 312     if (hdcOwned) {
 313         delete hdc;
 314         hdc = 0;
 315         hdcOwned = false;
 316     }
 317 }
 318
 319
 320 bool SurfaceImpl::Initialised() {
 321     return hdc != 0;
 322 }
 323
 324
 325 void SurfaceImpl::PenColour(ColourAllocated fore) {
 326     hdc->SetPen(wxPen(wxColourFromCA(fore), 1, wxSOLID));
 327 }
 328
 329 void SurfaceImpl::BrushColour(ColourAllocated back) {
 330     hdc->SetBrush(wxBrush(wxColourFromCA(back), wxSOLID));
 331 }
 332
 333 void SurfaceImpl::SetFont(Font &font_) {
 334   if (font_.GetID()) {
 335       hdc->SetFont(*((wxFont*)font_.GetID()));
 336     }
 337 }
 338
 339 int SurfaceImpl::LogPixelsY() {
 340     return hdc->GetPPI().y;
 341 }
 342
 343 int SurfaceImpl::DeviceHeightFont(int points) {
 344     return points;
 345 }
 346
 347 void SurfaceImpl::MoveTo(int x_, int y_) {
 348     x = x_;
 349     y = y_;
 350 }
 351
 352 void SurfaceImpl::LineTo(int x_, int y_) {
 353     hdc->DrawLine(x,y, x_,y_);
 354     x = x_;
 355     y = y_;
 356 }
 357
 358 void SurfaceImpl::Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back) {
 359     PenColour(fore);
 360     BrushColour(back);
 361     hdc->DrawPolygon(npts, (wxPoint*)pts);
 362 }
 363
 364 void SurfaceImpl::RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 365     PenColour(fore);
 366     BrushColour(back);
 367     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 368 }
 369
 370 void SurfaceImpl::FillRectangle(PRectangle rc, ColourAllocated back) {
 371     BrushColour(back);
 372     hdc->SetPen(*wxTRANSPARENT_PEN);
 373     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 374 }
 375
 376 void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern) {
 377     wxBrush br;
 378     if (((SurfaceImpl&)surfacePattern).bitmap)
 379         br = wxBrush(*((SurfaceImpl&)surfacePattern).bitmap);
 380     else    // Something is wrong so display in red
 381         br = wxBrush(*wxRED, wxSOLID);
 382     hdc->SetPen(*wxTRANSPARENT_PEN);
 383     hdc->SetBrush(br);
 384     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 385 }
 386
 387 void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 388     PenColour(fore);
 389     BrushColour(back);
 390     hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
 391 }
 392
 393 void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 394     PenColour(fore);
 395     BrushColour(back);
 396     hdc->DrawEllipse(wxRectFromPRectangle(rc));
 397 }
 398
 399 void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
 400     wxRect r = wxRectFromPRectangle(rc);
 401     hdc->Blit(r.x, r.y, r.width, r.height,
 402               ((SurfaceImpl&)surfaceSource).hdc,
 403               from.x, from.y, wxCOPY);
 404 }
 405
 406 void SurfaceImpl::DrawTextNoClip(PRectangle rc, Font &font, int ybase,
 407                                  const char *s, int len,
 408                                  ColourAllocated fore, ColourAllocated back) {
 409     SetFont(font);
 410     hdc->SetTextForeground(wxColourFromCA(fore));
 411     hdc->SetTextBackground(wxColourFromCA(back));
 412     FillRectangle(rc, back);
 413
 414     // ybase is where the baseline should be, but wxWin uses the upper left
 415     // corner, so I need to calculate the real position for the text...
 416     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 417 }
 418
 419 void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font, int ybase,
 420                                   const char *s, int len,
 421                                   ColourAllocated fore, ColourAllocated back) {
 422     SetFont(font);
 423     hdc->SetTextForeground(wxColourFromCA(fore));
 424     hdc->SetTextBackground(wxColourFromCA(back));
 425     FillRectangle(rc, back);
 426     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 427
 428     // see comments above
 429     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 430     hdc->DestroyClippingRegion();
 431 }
 432
 433
 434 void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font, int ybase,
 435                                       const char *s, int len,
 436                                       ColourAllocated fore) {
 437
 438     SetFont(font);
 439     hdc->SetTextForeground(wxColourFromCA(fore));
 440     hdc->SetBackgroundMode(wxTRANSPARENT);
 441
 442     // ybase is where the baseline should be, but wxWin uses the upper left
 443     // corner, so I need to calculate the real position for the text...
 444     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 445
 446     hdc->SetBackgroundMode(wxSOLID);
 447 }
 448
 449
 450 void SurfaceImpl::MeasureWidths(Font &font, const char *s, int len, int *positions) {
 451
 452     wxString   str = stc2wx(s, len);
 453     wxArrayInt tpos;
 454
 455     SetFont(font);
 456
 457     hdc->GetPartialTextExtents(str, tpos);
 458
 459 #if wxUSE_UNICODE
 460     // Map the widths for UCS-2 characters back to the UTF-8 input string
 461     // NOTE:  I don't think this is right for when sizeof(wxChar) > 2, ie wxGTK2
 462     // so figure it out and fix it!
 463     size_t i = 0;
 464     size_t ui = 0;
 465     while ((int)i < len) {
 466         unsigned char uch = (unsigned char)s[i];
 467         positions[i++] = tpos[ui];
 468         if (uch >= 0x80) {
 469             if (uch < (0x80 + 0x40 + 0x20)) {
 470                 positions[i++] = tpos[ui];
 471             } else {
 472                 positions[i++] = tpos[ui];
 473                 positions[i++] = tpos[ui];
 474             }
 475         }
 476         ui++;
 477     }
 478 #else
 479
 480     // If not unicode then just use the widths we have
 481     memcpy(positions, tpos.begin(), len * sizeof(int));
 482 #endif
 483 }
 484
 485
 486 int SurfaceImpl::WidthText(Font &font, const char *s, int len) {
 487     SetFont(font);
 488     int w;
 489     int h;
 490
 491     hdc->GetTextExtent(stc2wx(s, len), &w, &h);
 492     return w;
 493 }
 494
 495
 496 int SurfaceImpl::WidthChar(Font &font, char ch) {
 497     SetFont(font);
 498     int w;
 499     int h;
 500     char s[2] = { ch, 0 };
 501
 502     hdc->GetTextExtent(stc2wx(s, 1), &w, &h);
 503     return w;
 504 }
 505
 506 #define EXTENT_TEST wxT(" `~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 507
 508 int SurfaceImpl::Ascent(Font &font) {
 509     SetFont(font);
 510     int w, h, d, e;
 511     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 512     font.ascent = h - d;
 513     return font.ascent;
 514 }
 515
 516 int SurfaceImpl::Descent(Font &font) {
 517     SetFont(font);
 518     int w, h, d, e;
 519     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 520     return d;
 521 }
 522
 523 int SurfaceImpl::InternalLeading(Font &WXUNUSED(font)) {
 524     return 0;
 525 }
 526
 527 int SurfaceImpl::ExternalLeading(Font &font) {
 528     SetFont(font);
 529     int w, h, d, e;
 530     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 531     return e;
 532 }
 533
 534 int SurfaceImpl::Height(Font &font) {
 535     SetFont(font);
 536     return hdc->GetCharHeight() + 1;
 537 }
 538
 539 int SurfaceImpl::AverageCharWidth(Font &font) {
 540     SetFont(font);
 541     return hdc->GetCharWidth();
 542 }
 543
 544 int SurfaceImpl::SetPalette(Palette *WXUNUSED(pal), bool WXUNUSED(inBackGround)) {
 545     return 0;
 546 }
 547
 548 void SurfaceImpl::SetClip(PRectangle rc) {
 549     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 550 }
 551
 552 void SurfaceImpl::FlushCachedState() {
 553 }
 554
 555 void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
 556     unicodeMode=unicodeMode_;
 557 }
 558
 559 void SurfaceImpl::SetDBCSMode(int WXUNUSED(codePage)) {
 560     // dbcsMode = codePage == SC_CP_DBCS;
 561 }
 562
 563
 564 Surface *Surface::Allocate() {
 565     return new SurfaceImpl;
 566 }
 567
 568
 569 //----------------------------------------------------------------------
 570
 571
 572 inline wxWindow* GETWIN(WindowID id) { return (wxWindow*)id; }
 573
 574 Window::~Window() {
 575 }
 576
 577 void Window::Destroy() {
 578     if (id) {
 579         Show(false);
 580         GETWIN(id)->Destroy();
 581     }
 582     id = 0;
 583 }
 584
 585 bool Window::HasFocus() {
 586     return wxWindow::FindFocus() == GETWIN(id);
 587 }
 588
 589 PRectangle Window::GetPosition() {
 590     if (! id) return PRectangle();
 591     wxRect rc(GETWIN(id)->GetPosition(), GETWIN(id)->GetSize());
 592     return PRectangleFromwxRect(rc);
 593 }
 594
 595 void Window::SetPosition(PRectangle rc) {
 596     wxRect r = wxRectFromPRectangle(rc);
 597     GETWIN(id)->SetSize(r);
 598 }
 599
 600 void Window::SetPositionRelative(PRectangle rc, Window) {
 601     SetPosition(rc);  // ????
 602 }
 603
 604 PRectangle Window::GetClientPosition() {
 605     if (! id) return PRectangle();
 606     wxSize sz = GETWIN(id)->GetClientSize();
 607     return  PRectangle(0, 0, sz.x, sz.y);
 608 }
 609
 610 void Window::Show(bool show) {
 611     GETWIN(id)->Show(show);
 612 }
 613
 614 void Window::InvalidateAll() {
 615     GETWIN(id)->Refresh(false);
 616     wxWakeUpIdle();
 617 }
 618
 619 void Window::InvalidateRectangle(PRectangle rc) {
 620     wxRect r = wxRectFromPRectangle(rc);
 621     GETWIN(id)->Refresh(false, &r);
 622     wxWakeUpIdle();
 623 }
 624
 625 void Window::SetFont(Font &font) {
 626     GETWIN(id)->SetFont(*((wxFont*)font.GetID()));
 627 }
 628
 629 void Window::SetCursor(Cursor curs) {
 630     int cursorId;
 631
 632     switch (curs) {
 633     case cursorText:
 634         cursorId = wxCURSOR_IBEAM;
 635         break;
 636     case cursorArrow:
 637         cursorId = wxCURSOR_ARROW;
 638         break;
 639     case cursorUp:
 640         cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
 641         break;
 642     case cursorWait:
 643         cursorId = wxCURSOR_WAIT;
 644         break;
 645     case cursorHoriz:
 646         cursorId = wxCURSOR_SIZEWE;
 647         break;
 648     case cursorVert:
 649         cursorId = wxCURSOR_SIZENS;
 650         break;
 651     case cursorReverseArrow:
 652         cursorId = wxCURSOR_RIGHT_ARROW;
 653         break;
 654     case cursorHand:
 655         cursorId = wxCURSOR_HAND;
 656         break;
 657     default:
 658         cursorId = wxCURSOR_ARROW;
 659         break;
 660     }
 661 #ifdef __WXMOTIF__
 662        wxCursor wc = wxStockCursor(cursorId) ;
 663 #else
 664        wxCursor wc = wxCursor(cursorId) ;
 665 #endif
 666        GETWIN(id)->SetCursor(wc);
 667 }
 668
 669
 670 void Window::SetTitle(const char *s) {
 671     GETWIN(id)->SetTitle(stc2wx(s));
 672 }
 673
 674
 675 //----------------------------------------------------------------------
 676 // Helper classes for ListBox
 677
 678
 679 // This is a simple subclass of wxListView that just resets focus to the
 680 // parent when it gets it.
 681 class wxSTCListBox : public wxListView {
 682 public:
 683     wxSTCListBox(wxWindow* parent, wxWindowID id,
 684                  const wxPoint& pos, const wxSize& size,
 685                  long style)
 686         : wxListView(parent, id, pos, size, style)
 687     {}
 688
 689
 690     void OnFocus(wxFocusEvent& event) {
 691         GetParent()->SetFocus();
 692         event.Skip();
 693     }
 694
 695     void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
 696         // Do nothing.  Prevents base class from resetting the colors...
 697     }
 698
 699 #ifdef __WXMAC__
 700     // For some reason I don't understand yet the focus doesn't really leave
 701     // the listbox like it should, so if we get any events feed them back to
 702     // the wxSTC
 703     void OnKeyDown(wxKeyEvent& event) {
 704         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 705     }
 706     void OnChar(wxKeyEvent& event) {
 707         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 708     }
 709
 710     // And we need to force the focus back when being destroyed
 711     ~wxSTCListBox() {
 712         GetGrandParent()->SetFocus();
 713     }
 714 #endif
 715
 716 private:
 717     DECLARE_EVENT_TABLE()
 718 };
 719
 720 BEGIN_EVENT_TABLE(wxSTCListBox, wxListView)
 721     EVT_SET_FOCUS( wxSTCListBox::OnFocus)
 722     EVT_KILL_FOCUS(wxSTCListBox::OnKillFocus)
 723 #ifdef __WXMAC__
 724     EVT_KEY_DOWN(  wxSTCListBox::OnKeyDown)
 725     EVT_CHAR(      wxSTCListBox::OnChar)
 726 #endif
 727 END_EVENT_TABLE()
 728
 729
 730
 731
 732 // A window to place the wxSTCListBox upon
 733 class wxSTCListBoxWin : public wxWindow {
 734 private:
 735     wxListView*         lv;
 736     CallBackAction      doubleClickAction;
 737     void*               doubleClickActionData;
 738 public:
 739     wxSTCListBoxWin(wxWindow* parent, wxWindowID id) :
 740         wxWindow(parent, id, wxDefaultPosition, wxSize(0,0), wxSIMPLE_BORDER )
 741     {
 742
 743         lv = new wxSTCListBox(this, id, wxDefaultPosition, wxDefaultSize,
 744                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxNO_BORDER);
 745         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 746         lv->InsertColumn(0, wxEmptyString);
 747         lv->InsertColumn(1, wxEmptyString);
 748
 749         // Eventhough we immediately reset the focus to the parent, this helps
 750         // things to look right...
 751         lv->SetFocus();
 752
 753         Hide();
 754     }
 755
 756
 757     // On OSX and (possibly others) there can still be pending
 758     // messages/events for the list control when Scintilla wants to
 759     // close it, so do a pending delete of it instead of destroying
 760     // immediately.
 761     bool Destroy() {
 762 #ifdef __WXMAC__
 763         // The bottom edge of this window is not getting properly
 764         // refreshed upon deletion, so help it out...
 765         wxWindow* p = GetParent();
 766         wxRect r(GetPosition(), GetSize());
 767         r.SetHeight(r.GetHeight()+1);
 768         p->Refresh(false, &r);
 769 #endif
 770         if ( !wxPendingDelete.Member(this) )
 771             wxPendingDelete.Append(this);
 772         return true;
 773     }
 774
 775
 776     int IconWidth() {
 777         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 778         if (il != NULL) {
 779             int w, h;
 780             il->GetSize(0, w, h);
 781             return w;
 782         }
 783         return 0;
 784     }
 785
 786
 787     void SetDoubleClickAction(CallBackAction action, void *data) {
 788         doubleClickAction = action;
 789         doubleClickActionData = data;
 790     }
 791
 792
 793     void OnFocus(wxFocusEvent& event) {
 794         GetParent()->SetFocus();
 795         event.Skip();
 796     }
 797
 798     void OnSize(wxSizeEvent& event) {
 799         // resize the child
 800         wxSize sz = GetClientSize();
 801         lv->SetSize(sz);
 802         // reset the column widths
 803         lv->SetColumnWidth(0, IconWidth()+4);
 804         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
 805                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 806         event.Skip();
 807     }
 808
 809     void OnActivate(wxListEvent& WXUNUSED(event)) {
 810         doubleClickAction(doubleClickActionData);
 811     }
 812
 813     wxListView* GetLB() { return lv; }
 814
 815 private:
 816     DECLARE_EVENT_TABLE()
 817 };
 818
 819
 820 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxWindow)
 821     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
 822     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
 823     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
 824 END_EVENT_TABLE()
 825
 826
 827
 828 inline wxSTCListBoxWin* GETLBW(WindowID win) {
 829     return ((wxSTCListBoxWin*)win);
 830 }
 831
 832 inline wxListView* GETLB(WindowID win) {
 833     return GETLBW(win)->GetLB();
 834 }
 835
 836 //----------------------------------------------------------------------
 837
 838 class ListBoxImpl : public ListBox {
 839 private:
 840     int                 lineHeight;
 841     bool                unicodeMode;
 842     int                 desiredVisibleRows;
 843     int                 aveCharWidth;
 844     int                 maxStrWidth;
 845     wxImageList*        imgList;
 846     wxArrayInt*         imgTypeMap;
 847
 848 public:
 849     ListBoxImpl();
 850     ~ListBoxImpl();
 851
 852     virtual void SetFont(Font &font);
 853     virtual void Create(Window &parent, int ctrlID, int lineHeight_, bool unicodeMode_);
 854     virtual void SetAverageCharWidth(int width);
 855     virtual void SetVisibleRows(int rows);
 856     virtual PRectangle GetDesiredRect();
 857     virtual int CaretFromEdge();
 858     virtual void Clear();
 859     virtual void Append(char *s, int type = -1);
 860     virtual int Length();
 861     virtual void Select(int n);
 862     virtual int GetSelection();
 863     virtual int Find(const char *prefix);
 864     virtual void GetValue(int n, char *value, int len);
 865     virtual void RegisterImage(int type, const char *xpm_data);
 866     virtual void ClearRegisteredImages();
 867     virtual void SetDoubleClickAction(CallBackAction, void *);
 868
 869 };
 870
 871
 872 ListBoxImpl::ListBoxImpl()
 873     : lineHeight(10), unicodeMode(false),
 874       desiredVisibleRows(5), aveCharWidth(8), maxStrWidth(0),
 875       imgList(NULL), imgTypeMap(NULL)
 876 {
 877 }
 878
 879 ListBoxImpl::~ListBoxImpl() {
 880     if (imgList) {
 881         delete imgList;
 882         imgList = NULL;
 883     }
 884     if (imgTypeMap) {
 885         delete imgTypeMap;
 886         imgTypeMap = NULL;
 887     }
 888 }
 889
 890
 891 void ListBoxImpl::SetFont(Font &font) {
 892     GETLB(id)->SetFont(*((wxFont*)font.GetID()));
 893 }
 894
 895
 896 void ListBoxImpl::Create(Window &parent, int ctrlID, int lineHeight_, bool unicodeMode_) {
 897     lineHeight =  lineHeight_;
 898     unicodeMode = unicodeMode_;
 899     maxStrWidth = 0;
 900     id = new wxSTCListBoxWin(GETWIN(parent.GetID()), ctrlID);
 901     if (imgList != NULL)
 902         GETLB(id)->SetImageList(imgList, wxIMAGE_LIST_SMALL);
 903 }
 904
 905
 906 void ListBoxImpl::SetAverageCharWidth(int width) {
 907     aveCharWidth = width;
 908 }
 909
 910
 911 void ListBoxImpl::SetVisibleRows(int rows) {
 912     desiredVisibleRows = rows;
 913 }
 914
 915
 916 PRectangle ListBoxImpl::GetDesiredRect() {
 917     // wxListCtrl doesn't have a DoGetBestSize, so instead we kept track of
 918     // the max size in Append and calculate it here...
 919     int maxw = maxStrWidth;
 920     int maxh ;
 921
 922     // give it a default if there are no lines, and/or add a bit more
 923     if (maxw == 0) maxw = 100;
 924     maxw += aveCharWidth * 3 +
 925             GETLBW(id)->IconWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 926     if (maxw > 350)
 927         maxw = 350;
 928
 929     // estimate a desired height
 930     int count = GETLB(id)->GetItemCount();
 931     if (count) {
 932         wxRect rect;
 933         GETLB(id)->GetItemRect(0, rect);
 934         maxh = count * rect.GetHeight();
 935         if (maxh > 140)  // TODO:  Use desiredVisibleRows??
 936             maxh = 140;
 937
 938         // Try to make the size an exact multiple of some number of lines
 939         int lines = maxh / rect.GetHeight();
 940         maxh = (lines + 1) * rect.GetHeight() + 2;
 941     }
 942     else
 943         maxh = 100;
 944
 945     PRectangle rc;
 946     rc.top = 0;
 947     rc.left = 0;
 948     rc.right = maxw;
 949     rc.bottom = maxh;
 950     return rc;
 951 }
 952
 953
 954 int ListBoxImpl::CaretFromEdge() {
 955     return 4 + GETLBW(id)->IconWidth();
 956 }
 957
 958
 959 void ListBoxImpl::Clear() {
 960     GETLB(id)->DeleteAllItems();
 961 }
 962
 963
 964 void ListBoxImpl::Append(char *s, int type) {
 965     wxString text = stc2wx(s);
 966     long count  = GETLB(id)->GetItemCount();
 967     long itemID  = GETLB(id)->InsertItem(count, wxEmptyString);
 968     GETLB(id)->SetItem(itemID, 1, text);
 969     int itemWidth = 0;
 970     GETLB(id)->GetTextExtent(text, &itemWidth, NULL);
 971     maxStrWidth = wxMax(maxStrWidth, itemWidth);
 972     if (type != -1) {
 973         wxCHECK_RET(imgTypeMap, wxT("Unexpected NULL imgTypeMap"));
 974         long idx = imgTypeMap->Item(type);
 975         GETLB(id)->SetItemImage(itemID, idx, idx);
 976     }
 977 }
 978
 979
 980 int ListBoxImpl::Length() {
 981     return GETLB(id)->GetItemCount();
 982 }
 983
 984
 985 void ListBoxImpl::Select(int n) {
 986     bool select = true;
 987     if (n == -1) {
 988         n = 0;
 989         select = false;
 990     }
 991     GETLB(id)->Focus(n);
 992     GETLB(id)->Select(n, select);
 993 }
 994
 995
 996 int ListBoxImpl::GetSelection() {
 997     return GETLB(id)->GetFirstSelected();
 998 }
 999
1000
1001 int ListBoxImpl::Find(const char *WXUNUSED(prefix)) {
1002     // No longer used
1003     return wxNOT_FOUND;
1004 }
1005
1006
1007 void ListBoxImpl::GetValue(int n, char *value, int len) {
1008     wxListItem item;
1009     item.SetId(n);
1010     item.SetColumn(1);
1011     item.SetMask(wxLIST_MASK_TEXT);
1012     GETLB(id)->GetItem(item);
1013     strncpy(value, wx2stc(item.GetText()), len);
1014     value[len-1] = '\0';
1015 }
1016
1017
1018 void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
1019     wxMemoryInputStream stream(xpm_data, strlen(xpm_data)+1);
1020     wxImage img(stream, wxBITMAP_TYPE_XPM);
1021     wxBitmap bmp(img);
1022
1023     if (! imgList) {
1024         // assumes all images are the same size
1025         imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), true);
1026         imgTypeMap = new wxArrayInt;
1027     }
1028
1029     int idx = imgList->Add(bmp);
1030
1031     // do we need to extend the mapping array?
1032     wxArrayInt& itm = *imgTypeMap;
1033     if ( itm.GetCount() < (size_t)type+1)
1034         itm.Add(-1, type - itm.GetCount() + 1);
1035
1036     // Add an item that maps type to the image index
1037     itm[type] = idx;
1038 }
1039
1040 void ListBoxImpl::ClearRegisteredImages() {
1041     if (imgList) {
1042         delete imgList;
1043         imgList = NULL;
1044     }
1045     if (imgTypeMap) {
1046         delete imgTypeMap;
1047         imgTypeMap = NULL;
1048     }
1049     if (id)
1050         GETLB(id)->SetImageList(NULL, wxIMAGE_LIST_SMALL);
1051 }
1052
1053
1054 void ListBoxImpl::SetDoubleClickAction(CallBackAction action, void *data) {
1055     GETLBW(id)->SetDoubleClickAction(action, data);
1056 }
1057
1058
1059
1060 ListBox::ListBox() {
1061 }
1062
1063 ListBox::~ListBox() {
1064 }
1065
1066 ListBox *ListBox::Allocate() {
1067     return new ListBoxImpl();
1068 }
1069
1070 //----------------------------------------------------------------------
1071
1072 Menu::Menu() : id(0) {
1073 }
1074
1075 void Menu::CreatePopUp() {
1076     Destroy();
1077     id = new wxMenu();
1078 }
1079
1080 void Menu::Destroy() {
1081     if (id)
1082         delete (wxMenu*)id;
1083     id = 0;
1084 }
1085
1086 void Menu::Show(Point pt, Window &w) {
1087     GETWIN(w.GetID())->PopupMenu((wxMenu*)id, pt.x - 4, pt.y);
1088     Destroy();
1089 }
1090
1091 //----------------------------------------------------------------------
1092
1093 DynamicLibrary *DynamicLibrary::Load(const char *WXUNUSED(modulePath)) {
1094     wxFAIL_MSG(wxT("Dynamic lexer loading not implemented yet"));
1095     return NULL;
1096 }
1097
1098 //----------------------------------------------------------------------
1099
1100 ColourDesired Platform::Chrome() {
1101     wxColour c;
1102     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
1103     return ColourDesired(c.Red(), c.Green(), c.Blue());
1104 }
1105
1106 ColourDesired Platform::ChromeHighlight() {
1107     wxColour c;
1108     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT);
1109     return ColourDesired(c.Red(), c.Green(), c.Blue());
1110 }
1111
1112 const char *Platform::DefaultFont() {
1113     static char buf[128];
1114     strcpy(buf, wxNORMAL_FONT->GetFaceName().mbc_str());
1115     return buf;
1116 }
1117
1118 int Platform::DefaultFontSize() {
1119     return wxNORMAL_FONT->GetPointSize();
1120 }
1121
1122 unsigned int Platform::DoubleClickTime() {
1123     return 500;   // **** ::GetDoubleClickTime();
1124 }
1125
1126 bool Platform::MouseButtonBounce() {
1127     return false;
1128 }
1129 void Platform::DebugDisplay(const char *s) {
1130     wxLogDebug(stc2wx(s));
1131 }
1132
1133 bool Platform::IsKeyDown(int WXUNUSED(key)) {
1134     return false;  // I don't think we'll need this.
1135 }
1136
1137 long Platform::SendScintilla(WindowID w,
1138                              unsigned int msg,
1139                              unsigned long wParam,
1140                              long lParam) {
1141
1142     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1143     return stc->SendMsg(msg, wParam, lParam);
1144 }
1145
1146 long Platform::SendScintillaPointer(WindowID w,
1147                                     unsigned int msg,
1148                                     unsigned long wParam,
1149                                     void *lParam) {
1150
1151     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1152     return stc->SendMsg(msg, wParam, (long)lParam);
1153 }
1154
1155
1156 // These are utility functions not really tied to a platform
1157
1158 int Platform::Minimum(int a, int b) {
1159     if (a < b)
1160         return a;
1161     else
1162         return b;
1163 }
1164
1165 int Platform::Maximum(int a, int b) {
1166     if (a > b)
1167         return a;
1168     else
1169         return b;
1170 }
1171
1172 #define TRACE
1173
1174 void Platform::DebugPrintf(const char *format, ...) {
1175 #ifdef TRACE
1176     char buffer[2000];
1177     va_list pArguments;
1178     va_start(pArguments, format);
1179     vsprintf(buffer,format,pArguments);
1180     va_end(pArguments);
1181     Platform::DebugDisplay(buffer);
1182 #endif
1183 }
1184
1185
1186 static bool assertionPopUps = true;
1187
1188 bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
1189     bool ret = assertionPopUps;
1190     assertionPopUps = assertionPopUps_;
1191     return ret;
1192 }
1193
1194 void Platform::Assert(const char *c, const char *file, int line) {
1195     char buffer[2000];
1196     sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
1197     if (assertionPopUps) {
1198         /*int idButton = */
1199         wxMessageBox(stc2wx(buffer),
1200                      wxT("Assertion failure"),
1201                      wxICON_HAND | wxOK);
1202 //      if (idButton == IDRETRY) {
1203 //          ::DebugBreak();
1204 //      } else if (idButton == IDIGNORE) {
1205 //          // all OK
1206 //      } else {
1207 //          abort();
1208 //      }
1209     } else {
1210         strcat(buffer, "\r\n");
1211         Platform::DebugDisplay(buffer);
1212         abort();
1213     }
1214 }
1215
1216
1217 int Platform::Clamp(int val, int minVal, int maxVal) {
1218     if (val > maxVal)
1219         val = maxVal;
1220     if (val < minVal)
1221         val = minVal;
1222     return val;
1223 }
1224
1225
1226 bool Platform::IsDBCSLeadByte(int WXUNUSED(codePage), char WXUNUSED(ch)) {
1227     return false;
1228 }
1229
1230 int Platform::DBCSCharLength(int WXUNUSED(codePage), const char *WXUNUSED(s)) {
1231     return 1;
1232 }
1233
1234 int Platform::DBCSCharMaxLength() {
1235     return 1;
1236 }
1237
1238
1239 //----------------------------------------------------------------------
1240
1241 ElapsedTime::ElapsedTime() {
1242     wxStartTimer();
1243 }
1244
1245 double ElapsedTime::Duration(bool reset) {
1246     double result = wxGetElapsedTime(reset);
1247     result /= 1000.0;
1248     return result;
1249 }
1250
1251
1252 //----------------------------------------------------------------------
1253
1254 #if wxUSE_UNICODE
1255
1256 #include "UniConversion.h"
1257
1258 // Convert using Scintilla's functions instead of wx's, Scintilla's are more
1259 // forgiving and won't assert...
1260
1261 wxString stc2wx(const char* str, size_t len)
1262 {
1263     if (!len)
1264         return wxEmptyString;
1265
1266     size_t wclen = UCS2Length(str, len);
1267     wxWCharBuffer buffer(wclen+1);
1268
1269     size_t actualLen = UCS2FromUTF8(str, len, buffer.data(), wclen+1);
1270     return wxString(buffer.data(), actualLen);
1271 }
1272
1273
1274
1275 wxString stc2wx(const char* str)
1276 {
1277     return stc2wx(str, strlen(str));
1278 }
1279
1280
1281 const wxWX2MBbuf wx2stc(const wxString& str)
1282 {
1283     const wchar_t* wcstr = str.c_str();
1284     size_t wclen         = str.length();
1285     size_t len           = UTF8Length(wcstr, wclen);
1286
1287     wxCharBuffer buffer(len+1);
1288     UTF8FromUCS2(wcstr, wclen, buffer.data(), len);
1289
1290     // TODO check NULL termination!!
1291
1292     return buffer;
1293 }
1294
1295 #endif
1296
1297
1298
1299
1300
1301