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 // For compilers that support precompilation, includes "wx.h".
   8 #include "wx/wxprec.h"
   9
  10 #ifdef __BORLANDC__
  11     #pragma hdrstop
  12 #endif
  13
  14 #if wxUSE_STC
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/menu.h"
  18     #include "wx/dcmemory.h"
  19     #include "wx/settings.h"
  20 #endif // WX_PRECOMP
  21
  22 #include <ctype.h>
  23
  24 #if wxUSE_DISPLAY
  25 #include "wx/display.h"
  26 #endif
  27
  28 #include "wx/encconv.h"
  29 #include "wx/listctrl.h"
  30 #include "wx/mstream.h"
  31 #include "wx/image.h"
  32 #include "wx/imaglist.h"
  33 #include "wx/tokenzr.h"
  34
  35 #ifdef wxHAS_RAW_BITMAP
  36 #include "wx/rawbmp.h"
  37 #endif
  38 #if wxUSE_GRAPHICS_CONTEXT
  39 #include "wx/dcgraph.h"
  40 #endif
  41
  42 #include "Platform.h"
  43 #include "PlatWX.h"
  44 #include "wx/stc/stc.h"
  45 #include "wx/stc/private.h"
  46
  47
  48 Point Point::FromLong(long lpoint) {
  49     return Point(lpoint & 0xFFFF, lpoint >> 16);
  50 }
  51
  52 wxRect wxRectFromPRectangle(PRectangle prc) {
  53     wxRect r(prc.left, prc.top,
  54              prc.Width(), prc.Height());
  55     return r;
  56 }
  57
  58 PRectangle PRectangleFromwxRect(wxRect rc) {
  59     return PRectangle(rc.GetLeft(), rc.GetTop(),
  60                       rc.GetRight()+1, rc.GetBottom()+1);
  61 }
  62
  63 wxColour wxColourFromCD(ColourDesired& cd) {
  64     return wxColour((unsigned char)cd.GetRed(),
  65                     (unsigned char)cd.GetGreen(),
  66                     (unsigned char)cd.GetBlue());
  67 }
  68
  69 wxColour wxColourFromCDandAlpha(ColourDesired& cd, int alpha) {
  70     return wxColour((unsigned char)cd.GetRed(),
  71                     (unsigned char)cd.GetGreen(),
  72                     (unsigned char)cd.GetBlue(),
  73                     (unsigned char)alpha);
  74 }
  75
  76 //----------------------------------------------------------------------
  77
  78 Font::Font() {
  79     fid = 0;
  80     ascent = 0;
  81 }
  82
  83 Font::~Font() {
  84 }
  85
  86 void Font::Create(const FontParameters &fp) {
  87     Release();
  88
  89     // The minus one is done because since Scintilla uses SC_CHARSET_DEFAULT
  90     // internally and we need to have wxFONENCODING_DEFAULT == SC_SHARSET_DEFAULT
  91     // so we adjust the encoding before passing it to Scintilla.  See also
  92     // wxStyledTextCtrl::StyleSetCharacterSet
  93     wxFontEncoding encoding = (wxFontEncoding)(fp.characterSet-1);
  94
  95     wxFontEncodingArray ea = wxEncodingConverter::GetPlatformEquivalents(encoding);
  96     if (ea.GetCount())
  97         encoding = ea[0];
  98
  99     wxFontWeight weight;
 100     if (fp.weight <= 300)
 101         weight = wxFONTWEIGHT_LIGHT;
 102     else if (fp.weight >= 700)
 103         weight = wxFONTWEIGHT_BOLD;
 104     else
 105         weight = wxFONTWEIGHT_NORMAL;
 106
 107     wxFont* font = new wxFont(fp.size,
 108                               wxFONTFAMILY_DEFAULT,
 109                               fp.italic ? wxFONTSTYLE_ITALIC :  wxFONTSTYLE_NORMAL,
 110                               weight,
 111                               false,
 112                               stc2wx(fp.faceName),
 113                               encoding);
 114     fid = font;
 115 }
 116
 117
 118 void Font::Release() {
 119     if (fid)
 120         delete (wxFont*)fid;
 121     fid = 0;
 122 }
 123
 124 //----------------------------------------------------------------------
 125
 126 class SurfaceImpl : public Surface {
 127 private:
 128     wxDC*       hdc;
 129     bool        hdcOwned;
 130     wxBitmap*   bitmap;
 131     int         x;
 132     int         y;
 133     bool        unicodeMode;
 134
 135 public:
 136     SurfaceImpl();
 137     ~SurfaceImpl();
 138
 139     virtual void Init(WindowID wid);
 140     virtual void Init(SurfaceID sid, WindowID wid);
 141     virtual void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
 142
 143     virtual void Release();
 144     virtual bool Initialised();
 145     virtual void PenColour(ColourDesired fore);
 146     virtual int LogPixelsY();
 147     virtual int DeviceHeightFont(int points);
 148     virtual void MoveTo(int x_, int y_);
 149     virtual void LineTo(int x_, int y_);
 150     virtual void Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back);
 151     virtual void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back);
 152     virtual void FillRectangle(PRectangle rc, ColourDesired back);
 153     virtual void FillRectangle(PRectangle rc, Surface &surfacePattern);
 154     virtual void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back);
 155     virtual void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
 156                                 ColourDesired outline, int alphaOutline, int flags);
 157     virtual void DrawRGBAImage(PRectangle rc, int width, int height,
 158                                const unsigned char *pixelsImage);
 159     virtual void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back);
 160     virtual void Copy(PRectangle rc, Point from, Surface &surfaceSource);
 161
 162     virtual void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
 163     virtual void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
 164     virtual void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore);
 165     virtual void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions);
 166     virtual XYPOSITION WidthText(Font &font_, const char *s, int len);
 167     virtual XYPOSITION WidthChar(Font &font_, char ch);
 168     virtual XYPOSITION Ascent(Font &font_);
 169     virtual XYPOSITION Descent(Font &font_);
 170     virtual XYPOSITION InternalLeading(Font &font_);
 171     virtual XYPOSITION ExternalLeading(Font &font_);
 172     virtual XYPOSITION Height(Font &font_);
 173     virtual XYPOSITION AverageCharWidth(Font &font_);
 174
 175     virtual void SetClip(PRectangle rc);
 176     virtual void FlushCachedState();
 177
 178     virtual void SetUnicodeMode(bool unicodeMode_);
 179     virtual void SetDBCSMode(int codePage);
 180
 181     void BrushColour(ColourDesired back);
 182     void SetFont(Font &font_);
 183 };
 184
 185
 186
 187 SurfaceImpl::SurfaceImpl() :
 188     hdc(0), hdcOwned(0), bitmap(0),
 189     x(0), y(0), unicodeMode(0)
 190 {}
 191
 192 SurfaceImpl::~SurfaceImpl() {
 193     Release();
 194 }
 195
 196 void SurfaceImpl::Init(WindowID wid) {
 197 #if 0
 198     Release();
 199     hdc = new wxMemoryDC();
 200     hdcOwned = true;
 201 #else
 202     // On Mac and GTK the DC is not really valid until it has a bitmap
 203     // selected into it.  So instead of just creating the DC with no bitmap,
 204     // go ahead and give it one.
 205     InitPixMap(1,1,NULL,wid);
 206 #endif
 207 }
 208
 209 void SurfaceImpl::Init(SurfaceID hdc_, WindowID) {
 210     Release();
 211     hdc = (wxDC*)hdc_;
 212 }
 213
 214 void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID winid) {
 215     Release();
 216     hdc = new wxMemoryDC();
 217     hdcOwned = true;
 218     if (width < 1) width = 1;
 219     if (height < 1) height = 1;
 220     bitmap = new wxBitmap();
 221     bitmap->CreateScaled(width, height,wxBITMAP_SCREEN_DEPTH,((wxWindow*)winid)->GetContentScaleFactor());
 222     ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
 223 }
 224
 225
 226 void SurfaceImpl::Release() {
 227     if (bitmap) {
 228         ((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
 229         delete bitmap;
 230         bitmap = 0;
 231     }
 232     if (hdcOwned) {
 233         delete hdc;
 234         hdc = 0;
 235         hdcOwned = false;
 236     }
 237 }
 238
 239
 240 bool SurfaceImpl::Initialised() {
 241     return hdc != 0;
 242 }
 243
 244
 245 void SurfaceImpl::PenColour(ColourDesired fore) {
 246     hdc->SetPen(wxPen(wxColourFromCD(fore)));
 247 }
 248
 249 void SurfaceImpl::BrushColour(ColourDesired back) {
 250     hdc->SetBrush(wxBrush(wxColourFromCD(back)));
 251 }
 252
 253 void SurfaceImpl::SetFont(Font &font_) {
 254   if (font_.GetID()) {
 255       hdc->SetFont(*((wxFont*)font_.GetID()));
 256     }
 257 }
 258
 259 int SurfaceImpl::LogPixelsY() {
 260     return hdc->GetPPI().y;
 261 }
 262
 263 int SurfaceImpl::DeviceHeightFont(int points) {
 264     return points;
 265 }
 266
 267 void SurfaceImpl::MoveTo(int x_, int y_) {
 268     x = x_;
 269     y = y_;
 270 }
 271
 272 void SurfaceImpl::LineTo(int x_, int y_) {
 273     hdc->DrawLine(x,y, x_,y_);
 274     x = x_;
 275     y = y_;
 276 }
 277
 278 void SurfaceImpl::Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back) {
 279     PenColour(fore);
 280     BrushColour(back);
 281     wxPoint *p = new wxPoint[npts];
 282
 283     for (int i=0; i<npts; i++) {
 284         p[i].x = pts[i].x;
 285         p[i].y = pts[i].y;
 286     }
 287     hdc->DrawPolygon(npts, p);
 288     delete [] p;
 289 }
 290
 291 void SurfaceImpl::RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) {
 292     PenColour(fore);
 293     BrushColour(back);
 294     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 295 }
 296
 297 void SurfaceImpl::FillRectangle(PRectangle rc, ColourDesired back) {
 298     BrushColour(back);
 299     hdc->SetPen(*wxTRANSPARENT_PEN);
 300     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 301 }
 302
 303 void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern) {
 304     wxBrush br;
 305     if (((SurfaceImpl&)surfacePattern).bitmap)
 306         br = wxBrush(*((SurfaceImpl&)surfacePattern).bitmap);
 307     else    // Something is wrong so display in red
 308         br = wxBrush(*wxRED);
 309     hdc->SetPen(*wxTRANSPARENT_PEN);
 310     hdc->SetBrush(br);
 311     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 312 }
 313
 314 void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) {
 315     PenColour(fore);
 316     BrushColour(back);
 317     hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
 318 }
 319
 320 #if defined(__WXMSW__) || defined(__WXMAC__)
 321 #define wxPy_premultiply(p, a)   ((p) * (a) / 0xff)
 322 #else
 323 #define wxPy_premultiply(p, a)   (p)
 324 #endif
 325
 326 void SurfaceImpl::AlphaRectangle(PRectangle rc, int cornerSize,
 327                                  ColourDesired fill, int alphaFill,
 328                                  ColourDesired outline, int alphaOutline,
 329                                  int /*flags*/) {
 330 #if wxUSE_GRAPHICS_CONTEXT
 331     wxGCDC dc(*(wxMemoryDC*)hdc);
 332     wxColour penColour(wxColourFromCDandAlpha(outline, alphaOutline));
 333     wxColour brushColour(wxColourFromCDandAlpha(fill, alphaFill));
 334     dc.SetPen(wxPen(penColour));
 335     dc.SetBrush(wxBrush(brushColour));
 336     dc.DrawRoundedRectangle(wxRectFromPRectangle(rc), cornerSize);
 337     return;
 338 #else
 339
 340 #ifdef wxHAS_RAW_BITMAP
 341
 342     // TODO:  do something with cornerSize
 343     wxUnusedVar(cornerSize);
 344
 345     int x, y;
 346     wxRect r = wxRectFromPRectangle(rc);
 347     wxBitmap bmp(r.width, r.height, 32);
 348
 349     // This block is needed to ensure that the changes done to the bitmap via
 350     // pixel data object are committed before the bitmap is drawn.
 351     {
 352         wxAlphaPixelData pixData(bmp);
 353
 354         // Set the fill pixels
 355         ColourDesired cdf(fill.AsLong());
 356         int red   = cdf.GetRed();
 357         int green = cdf.GetGreen();
 358         int blue  = cdf.GetBlue();
 359
 360         wxAlphaPixelData::Iterator p(pixData);
 361         for (y=0; y<r.height; y++) {
 362             p.MoveTo(pixData, 0, y);
 363             for (x=0; x<r.width; x++) {
 364                 p.Red()   = wxPy_premultiply(red,   alphaFill);
 365                 p.Green() = wxPy_premultiply(green, alphaFill);
 366                 p.Blue()  = wxPy_premultiply(blue,  alphaFill);
 367                 p.Alpha() = alphaFill;
 368                 ++p;
 369             }
 370         }
 371
 372         // Set the outline pixels
 373         ColourDesired cdo(outline.AsLong());
 374         red   = cdo.GetRed();
 375         green = cdo.GetGreen();
 376         blue  = cdo.GetBlue();
 377         for (x=0; x<r.width; x++) {
 378             p.MoveTo(pixData, x, 0);
 379             p.Red()   = wxPy_premultiply(red,   alphaOutline);
 380             p.Green() = wxPy_premultiply(green, alphaOutline);
 381             p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 382             p.Alpha() = alphaOutline;
 383             p.MoveTo(pixData, x, r.height-1);
 384             p.Red()   = wxPy_premultiply(red,   alphaOutline);
 385             p.Green() = wxPy_premultiply(green, alphaOutline);
 386             p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 387             p.Alpha() = alphaOutline;
 388         }
 389
 390         for (y=0; y<r.height; y++) {
 391             p.MoveTo(pixData, 0, y);
 392             p.Red()   = wxPy_premultiply(red,   alphaOutline);
 393             p.Green() = wxPy_premultiply(green, alphaOutline);
 394             p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 395             p.Alpha() = alphaOutline;
 396             p.MoveTo(pixData, r.width-1, y);
 397             p.Red()   = wxPy_premultiply(red,   alphaOutline);
 398             p.Green() = wxPy_premultiply(green, alphaOutline);
 399             p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 400             p.Alpha() = alphaOutline;
 401         }
 402     }
 403
 404     // Draw the bitmap
 405     hdc->DrawBitmap(bmp, r.x, r.y, true);
 406
 407 #else
 408     wxUnusedVar(cornerSize);
 409     wxUnusedVar(alphaFill);
 410     wxUnusedVar(alphaOutline);
 411     RectangleDraw(rc, outline, fill);
 412 #endif
 413 #endif
 414 }
 415
 416 #ifdef wxHAS_RAW_BITMAP
 417 wxBitmap BitmapFromRGBAImage(int width, int height, const unsigned char *pixelsImage)
 418 {
 419     int x, y;
 420     wxBitmap bmp(width, height, 32);
 421     wxAlphaPixelData pixData(bmp);
 422
 423     wxAlphaPixelData::Iterator p(pixData);
 424     for (y=0; y<height; y++) {
 425         p.MoveTo(pixData, 0, y);
 426         for (x=0; x<width; x++) {
 427             unsigned char red   = *pixelsImage++;
 428             unsigned char green = *pixelsImage++;
 429             unsigned char blue  = *pixelsImage++;
 430             unsigned char alpha = *pixelsImage++;
 431
 432             p.Red()   = wxPy_premultiply(red,   alpha);
 433             p.Green() = wxPy_premultiply(green, alpha);
 434             p.Blue()  = wxPy_premultiply(blue,  alpha);
 435             p.Alpha() = alpha;
 436             ++p;
 437         }
 438     }
 439     return bmp;
 440 }
 441 #endif
 442
 443
 444 void SurfaceImpl::DrawRGBAImage(PRectangle rc, int width, int height,
 445                                 const unsigned char *pixelsImage)
 446 {
 447 #ifdef wxHAS_RAW_BITMAP
 448     wxRect r = wxRectFromPRectangle(rc);
 449     wxBitmap bmp = BitmapFromRGBAImage(width, height, pixelsImage);
 450     hdc->DrawBitmap(bmp, r.x, r.y, true);
 451 #endif
 452 }
 453
 454
 455 void SurfaceImpl::Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) {
 456     PenColour(fore);
 457     BrushColour(back);
 458     hdc->DrawEllipse(wxRectFromPRectangle(rc));
 459 }
 460
 461 void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
 462     wxRect r = wxRectFromPRectangle(rc);
 463     hdc->Blit(r.x, r.y, r.width, r.height,
 464               ((SurfaceImpl&)surfaceSource).hdc,
 465               from.x, from.y, wxCOPY);
 466 }
 467
 468 void SurfaceImpl::DrawTextNoClip(PRectangle rc, Font &font, XYPOSITION ybase,
 469                                  const char *s, int len,
 470                                  ColourDesired fore, ColourDesired back) {
 471     SetFont(font);
 472     hdc->SetTextForeground(wxColourFromCD(fore));
 473     hdc->SetTextBackground(wxColourFromCD(back));
 474     FillRectangle(rc, back);
 475
 476     // ybase is where the baseline should be, but wxWin uses the upper left
 477     // corner, so I need to calculate the real position for the text...
 478     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 479 }
 480
 481 void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font, XYPOSITION ybase,
 482                                   const char *s, int len,
 483                                   ColourDesired fore, ColourDesired back) {
 484     SetFont(font);
 485     hdc->SetTextForeground(wxColourFromCD(fore));
 486     hdc->SetTextBackground(wxColourFromCD(back));
 487     FillRectangle(rc, back);
 488     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 489
 490     // see comments above
 491     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 492     hdc->DestroyClippingRegion();
 493 }
 494
 495
 496 void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font, XYPOSITION ybase,
 497                                       const char *s, int len,
 498                                       ColourDesired fore) {
 499
 500     SetFont(font);
 501     hdc->SetTextForeground(wxColourFromCD(fore));
 502     hdc->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 503
 504     // ybase is where the baseline should be, but wxWin uses the upper left
 505     // corner, so I need to calculate the real position for the text...
 506     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 507
 508     hdc->SetBackgroundMode(wxBRUSHSTYLE_SOLID);
 509 }
 510
 511
 512 void SurfaceImpl::MeasureWidths(Font &font, const char *s, int len, XYPOSITION *positions) {
 513
 514     wxString   str = stc2wx(s, len);
 515     wxArrayInt tpos;
 516
 517     SetFont(font);
 518
 519     hdc->GetPartialTextExtents(str, tpos);
 520
 521 #if wxUSE_UNICODE
 522     // Map the widths for UCS-2 characters back to the UTF-8 input string
 523     // NOTE:  I don't think this is right for when sizeof(wxChar) > 2, ie wxGTK2
 524     // so figure it out and fix it!
 525     size_t i = 0;
 526     size_t ui = 0;
 527     while ((int)i < len) {
 528         unsigned char uch = (unsigned char)s[i];
 529         positions[i++] = tpos[ui];
 530         if (uch >= 0x80) {
 531             if (uch < (0x80 + 0x40 + 0x20)) {
 532                 positions[i++] = tpos[ui];
 533             } else {
 534                 positions[i++] = tpos[ui];
 535                 positions[i++] = tpos[ui];
 536             }
 537         }
 538         ui++;
 539     }
 540 #else
 541
 542     // If not unicode then just use the widths we have
 543 #if wxUSE_STD_CONTAINERS
 544     std::copy(tpos.begin(), tpos.end(), positions);
 545 #else
 546     memcpy(positions, tpos.begin(), len * sizeof(int));
 547 #endif
 548 #endif
 549 }
 550
 551
 552 XYPOSITION SurfaceImpl::WidthText(Font &font, const char *s, int len) {
 553     SetFont(font);
 554     int w;
 555     int h;
 556
 557     hdc->GetTextExtent(stc2wx(s, len), &w, &h);
 558     return w;
 559 }
 560
 561
 562 XYPOSITION SurfaceImpl::WidthChar(Font &font, char ch) {
 563     SetFont(font);
 564     int w;
 565     int h;
 566     char s[2] = { ch, 0 };
 567
 568     hdc->GetTextExtent(stc2wx(s, 1), &w, &h);
 569     return w;
 570 }
 571
 572 #define EXTENT_TEST wxT(" `~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 573
 574 XYPOSITION SurfaceImpl::Ascent(Font &font) {
 575     SetFont(font);
 576     int w, h, d, e;
 577     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 578     font.ascent = h - d;
 579     return font.ascent;
 580 }
 581
 582 XYPOSITION SurfaceImpl::Descent(Font &font) {
 583     SetFont(font);
 584     int w, h, d, e;
 585     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 586     return d;
 587 }
 588
 589 XYPOSITION SurfaceImpl::InternalLeading(Font &WXUNUSED(font)) {
 590     return 0;
 591 }
 592
 593 XYPOSITION SurfaceImpl::ExternalLeading(Font &font) {
 594     SetFont(font);
 595     int w, h, d, e;
 596     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 597     return e;
 598 }
 599
 600 XYPOSITION SurfaceImpl::Height(Font &font) {
 601     SetFont(font);
 602     return hdc->GetCharHeight() + 1;
 603 }
 604
 605 XYPOSITION SurfaceImpl::AverageCharWidth(Font &font) {
 606     SetFont(font);
 607     return hdc->GetCharWidth();
 608 }
 609
 610 void SurfaceImpl::SetClip(PRectangle rc) {
 611     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 612 }
 613
 614 void SurfaceImpl::FlushCachedState() {
 615 }
 616
 617 void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
 618     unicodeMode=unicodeMode_;
 619 }
 620
 621 void SurfaceImpl::SetDBCSMode(int WXUNUSED(codePage)) {
 622     // dbcsMode = codePage == SC_CP_DBCS;
 623 }
 624
 625
 626 Surface *Surface::Allocate(int WXUNUSED(technology)) {
 627     return new SurfaceImpl;
 628 }
 629
 630
 631 //----------------------------------------------------------------------
 632
 633
 634 inline wxWindow* GETWIN(WindowID id) { return (wxWindow*)id; }
 635
 636 Window::~Window() {
 637 }
 638
 639 void Window::Destroy() {
 640     if (wid) {
 641         Show(false);
 642         GETWIN(wid)->Destroy();
 643     }
 644     wid = 0;
 645 }
 646
 647 bool Window::HasFocus() {
 648     return wxWindow::FindFocus() == GETWIN(wid);
 649 }
 650
 651 PRectangle Window::GetPosition() {
 652     if (! wid) return PRectangle();
 653     wxRect rc(GETWIN(wid)->GetPosition(), GETWIN(wid)->GetSize());
 654     return PRectangleFromwxRect(rc);
 655 }
 656
 657 void Window::SetPosition(PRectangle rc) {
 658     wxRect r = wxRectFromPRectangle(rc);
 659     GETWIN(wid)->SetSize(r);
 660 }
 661
 662 void Window::SetPositionRelative(PRectangle rc, Window) {
 663     SetPosition(rc);  // ????
 664 }
 665
 666 PRectangle Window::GetClientPosition() {
 667     if (! wid) return PRectangle();
 668     wxSize sz = GETWIN(wid)->GetClientSize();
 669     return  PRectangle(0, 0, sz.x, sz.y);
 670 }
 671
 672 void Window::Show(bool show) {
 673     GETWIN(wid)->Show(show);
 674 }
 675
 676 void Window::InvalidateAll() {
 677     GETWIN(wid)->Refresh(false);
 678 }
 679
 680 void Window::InvalidateRectangle(PRectangle rc) {
 681     wxRect r = wxRectFromPRectangle(rc);
 682     GETWIN(wid)->Refresh(false, &r);
 683 }
 684
 685 void Window::SetFont(Font &font) {
 686     GETWIN(wid)->SetFont(*((wxFont*)font.GetID()));
 687 }
 688
 689 void Window::SetCursor(Cursor curs) {
 690     wxStockCursor cursorId;
 691
 692     switch (curs) {
 693     case cursorText:
 694         cursorId = wxCURSOR_IBEAM;
 695         break;
 696     case cursorArrow:
 697         cursorId = wxCURSOR_ARROW;
 698         break;
 699     case cursorUp:
 700         cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
 701         break;
 702     case cursorWait:
 703         cursorId = wxCURSOR_WAIT;
 704         break;
 705     case cursorHoriz:
 706         cursorId = wxCURSOR_SIZEWE;
 707         break;
 708     case cursorVert:
 709         cursorId = wxCURSOR_SIZENS;
 710         break;
 711     case cursorReverseArrow:
 712         cursorId = wxCURSOR_RIGHT_ARROW;
 713         break;
 714     case cursorHand:
 715         cursorId = wxCURSOR_HAND;
 716         break;
 717     default:
 718         cursorId = wxCURSOR_ARROW;
 719         break;
 720     }
 721
 722     wxCursor wc = wxCursor(cursorId);
 723     if(curs != cursorLast)
 724     {
 725         GETWIN(wid)->SetCursor(wc);
 726         cursorLast = curs;
 727     }
 728 }
 729
 730
 731 void Window::SetTitle(const char *s) {
 732     GETWIN(wid)->SetLabel(stc2wx(s));
 733 }
 734
 735
 736 // Returns rectangle of monitor pt is on
 737 PRectangle Window::GetMonitorRect(Point pt) {
 738     wxRect rect;
 739     if (! wid) return PRectangle();
 740 #if wxUSE_DISPLAY
 741     // Get the display the point is found on
 742     int n = wxDisplay::GetFromPoint(wxPoint(pt.x, pt.y));
 743     wxDisplay dpy(n == wxNOT_FOUND ? 0 : n);
 744     rect = dpy.GetGeometry();
 745 #else
 746     wxUnusedVar(pt);
 747 #endif
 748     return PRectangleFromwxRect(rect);
 749 }
 750
 751 //----------------------------------------------------------------------
 752 // Helper classes for ListBox
 753
 754
 755 // This is a simple subclass of wxListView that just resets focus to the
 756 // parent when it gets it.
 757 class wxSTCListBox : public wxListView {
 758 public:
 759     wxSTCListBox(wxWindow* parent, wxWindowID id,
 760                  const wxPoint& pos, const wxSize& size,
 761                  long style)
 762         : wxListView()
 763     {
 764 #ifdef __WXMSW__
 765         Hide(); // don't flicker as we move it around...
 766 #endif
 767         Create(parent, id, pos, size, style);
 768     }
 769
 770
 771     void OnFocus(wxFocusEvent& event) {
 772         GetParent()->SetFocus();
 773         event.Skip();
 774     }
 775
 776     void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
 777         // Do nothing.  Prevents base class from resetting the colors...
 778     }
 779
 780 #ifdef __WXMAC__
 781     // For some reason I don't understand yet the focus doesn't really leave
 782     // the listbox like it should, so if we get any events feed them back to
 783     // the wxSTC
 784     void OnKeyDown(wxKeyEvent& event) {
 785         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 786     }
 787     void OnChar(wxKeyEvent& event) {
 788         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 789     }
 790
 791     // And we need to force the focus back when being destroyed
 792     ~wxSTCListBox() {
 793         GetGrandParent()->SetFocus();
 794     }
 795 #endif
 796
 797 private:
 798     DECLARE_EVENT_TABLE()
 799 };
 800
 801 BEGIN_EVENT_TABLE(wxSTCListBox, wxListView)
 802     EVT_SET_FOCUS( wxSTCListBox::OnFocus)
 803     EVT_KILL_FOCUS(wxSTCListBox::OnKillFocus)
 804 #ifdef __WXMAC__
 805     EVT_KEY_DOWN(  wxSTCListBox::OnKeyDown)
 806     EVT_CHAR(      wxSTCListBox::OnChar)
 807 #endif
 808 END_EVENT_TABLE()
 809
 810
 811
 812 #if wxUSE_POPUPWIN //-----------------------------------
 813 #include "wx/popupwin.h"
 814
 815 // A popup window to place the wxSTCListBox upon
 816 class wxSTCListBoxWin : public wxPopupWindow
 817 {
 818 private:
 819     wxListView*         lv;
 820     CallBackAction      doubleClickAction;
 821     void*               doubleClickActionData;
 822 public:
 823     wxSTCListBoxWin(wxWindow* parent, wxWindowID id, Point WXUNUSED(location)) :
 824         wxPopupWindow(parent, wxBORDER_SIMPLE)
 825     {
 826
 827         lv = new wxSTCListBox(parent, id, wxPoint(-50,-50), wxDefaultSize,
 828                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxBORDER_NONE);
 829         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 830         lv->InsertColumn(0, wxEmptyString);
 831         lv->InsertColumn(1, wxEmptyString);
 832
 833         // NOTE: We need to fool the wxListView into thinking that it has the
 834         // focus so it will use the normal selection colour and will look
 835         // "right" to the user.  But since the wxPopupWindow or its children
 836         // can't receive focus then we have to pull a fast one and temporarily
 837         // parent the listctrl on the STC window and then call SetFocus and
 838         // then reparent it back to the popup.
 839         lv->SetFocus();
 840         lv->Reparent(this);
 841 #ifdef __WXMSW__
 842         lv->Show();
 843 #endif
 844 #if defined(__WXOSX_COCOA__) || defined(__WXGTK__)
 845         // This color will end up being our border
 846         SetBackgroundColour(wxColour(0xC0, 0xC0, 0xC0));
 847 #endif
 848     }
 849
 850
 851     // Set position in client coords
 852     virtual void DoSetSize(int x, int y,
 853                            int width, int height,
 854                            int sizeFlags = wxSIZE_AUTO) {
 855         if (x != wxDefaultCoord) {
 856             GetParent()->ClientToScreen(&x, NULL);
 857         }
 858         if (y != wxDefaultCoord) {
 859             GetParent()->ClientToScreen(NULL, &y);
 860         }
 861         wxPopupWindow::DoSetSize(x, y, width, height, sizeFlags);
 862     }
 863
 864     // return position as if it were in client coords
 865     virtual void DoGetPosition( int *x, int *y ) const {
 866         int sx, sy;
 867         wxPopupWindow::DoGetPosition(&sx, &sy);
 868         GetParent()->ScreenToClient(&sx, &sy);
 869         if (x) *x = sx;
 870         if (y) *y = sy;
 871     }
 872
 873
 874     bool Destroy() {
 875         if ( !wxPendingDelete.Member(this) )
 876             wxPendingDelete.Append(this);
 877         return true;
 878     }
 879
 880
 881     int IconWidth() {
 882         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 883         if (il != NULL) {
 884             int w, h;
 885             il->GetSize(0, w, h);
 886             return w;
 887         }
 888         return 0;
 889     }
 890
 891
 892     void SetDoubleClickAction(CallBackAction action, void *data) {
 893         doubleClickAction = action;
 894         doubleClickActionData = data;
 895     }
 896
 897
 898     void OnFocus(wxFocusEvent& event) {
 899         GetParent()->SetFocus();
 900         event.Skip();
 901     }
 902
 903     void OnSize(wxSizeEvent& event) {
 904         // resize the child to fill the popup
 905         wxSize sz = GetClientSize();
 906         int x, y, w, h;
 907         x = y = 0;
 908         w = sz.x;
 909         h = sz.y;
 910 #if defined(__WXOSX_COCOA__) || defined(__WXGTK__)
 911         // make room for the parent's bg color to show, to act as a border
 912         x = y = 1;
 913         w -= 2;
 914         h -= 2;
 915 #endif
 916         lv->SetSize(x, y, w, h);
 917         // reset the column widths
 918         lv->SetColumnWidth(0, IconWidth()+4);
 919         lv->SetColumnWidth(1, w - 2 - lv->GetColumnWidth(0) -
 920                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 921         event.Skip();
 922     }
 923
 924     void OnActivate(wxListEvent& WXUNUSED(event)) {
 925         doubleClickAction(doubleClickActionData);
 926     }
 927
 928     wxListView* GetLB() { return lv; }
 929
 930 private:
 931     DECLARE_EVENT_TABLE()
 932
 933 };
 934
 935 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxPopupWindow)
 936     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
 937     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
 938     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
 939 END_EVENT_TABLE()
 940
 941
 942
 943 #else // !wxUSE_POPUPWIN -----------------------------------
 944 #include "wx/frame.h"
 945
 946 // A normal window to place the wxSTCListBox upon, but make it behave as much
 947 // like a wxPopupWindow as possible
 948 class wxSTCListBoxWin : public wxFrame {
 949 private:
 950     wxListView*         lv;
 951     CallBackAction      doubleClickAction;
 952     void*               doubleClickActionData;
 953 public:
 954     wxSTCListBoxWin(wxWindow* parent, wxWindowID id, Point location) :
 955         wxFrame(parent, id, wxEmptyString, wxPoint(location.x, location.y), wxSize(0,0),
 956                 wxFRAME_NO_TASKBAR
 957                 | wxFRAME_FLOAT_ON_PARENT
 958 #ifdef __WXMAC__
 959                 | wxPOPUP_WINDOW
 960                 | wxNO_BORDER
 961 #else
 962                 | wxSIMPLE_BORDER
 963 #endif
 964             )
 965     {
 966
 967         lv = new wxSTCListBox(this, id, wxDefaultPosition, wxDefaultSize,
 968                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxNO_BORDER);
 969         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 970         lv->InsertColumn(0, wxEmptyString);
 971         lv->InsertColumn(1, wxEmptyString);
 972
 973         // Eventhough we immediately reset the focus to the parent, this helps
 974         // things to look right...
 975         lv->SetFocus();
 976
 977         Hide();
 978     }
 979
 980
 981     // On OSX and (possibly others) there can still be pending
 982     // messages/events for the list control when Scintilla wants to
 983     // close it, so do a pending delete of it instead of destroying
 984     // immediately.
 985     bool Destroy()
 986     {
 987 #ifdef __WXMAC__
 988         // The bottom edge of this window is not getting properly
 989         // refreshed upon deletion, so help it out...
 990         wxWindow* p = GetParent();
 991         wxRect r(GetPosition(), GetSize());
 992         r.SetHeight(r.GetHeight()+1);
 993         p->Refresh(false, &r);
 994 #endif
 995         if ( !wxPendingDelete.Member(this) )
 996             wxPendingDelete.Append(this);
 997         return true;
 998     }
 999
1000
1001     int IconWidth()
1002     {
1003         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
1004         if (il != NULL) {
1005             int w, h;
1006             il->GetSize(0, w, h);
1007             return w;
1008         }
1009         return 0;
1010     }
1011
1012
1013     void SetDoubleClickAction(CallBackAction action, void *data)
1014     {
1015         doubleClickAction = action;
1016         doubleClickActionData = data;
1017     }
1018
1019
1020     void OnFocus(wxFocusEvent& event)
1021     {
1022         ActivateParent();
1023         GetParent()->SetFocus();
1024         event.Skip();
1025     }
1026
1027     void OnSize(wxSizeEvent& event)
1028     {
1029         // resize the child
1030         wxSize sz = GetClientSize();
1031         lv->SetSize(sz);
1032         // reset the column widths
1033         lv->SetColumnWidth(0, IconWidth()+4);
1034         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
1035                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
1036         event.Skip();
1037     }
1038
1039     void ActivateParent()
1040     {
1041         // Although we're a frame, we always want the parent to be active, so
1042         // raise it whenever we get shown, focused, etc.
1043         wxTopLevelWindow *frame = wxDynamicCast(
1044             wxGetTopLevelParent(GetParent()), wxTopLevelWindow);
1045         if (frame)
1046             frame->Raise();
1047     }
1048
1049
1050     virtual void DoSetSize(int x, int y,
1051                            int width, int height,
1052                            int sizeFlags = wxSIZE_AUTO)
1053     {
1054         // convert coords to screen coords since we're a top-level window
1055         if (x != wxDefaultCoord) {
1056             GetParent()->ClientToScreen(&x, NULL);
1057         }
1058         if (y != wxDefaultCoord) {
1059             GetParent()->ClientToScreen(NULL, &y);
1060         }
1061         wxFrame::DoSetSize(x, y, width, height, sizeFlags);
1062     }
1063
1064     virtual bool Show(bool show = true)
1065     {
1066         bool rv = wxFrame::Show(show);
1067         if (rv && show)
1068             ActivateParent();
1069 #ifdef __WXMAC__
1070         GetParent()->Refresh(false);
1071 #endif
1072         return rv;
1073     }
1074
1075     void OnActivate(wxListEvent& WXUNUSED(event))
1076     {
1077         doubleClickAction(doubleClickActionData);
1078     }
1079
1080     wxListView* GetLB() { return lv; }
1081
1082 private:
1083     DECLARE_EVENT_TABLE()
1084 };
1085
1086
1087 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxWindow)
1088     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
1089     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
1090     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
1091 END_EVENT_TABLE()
1092
1093 #endif // wxUSE_POPUPWIN -----------------------------------
1094
1095
1096 inline wxSTCListBoxWin* GETLBW(WindowID win) {
1097     return ((wxSTCListBoxWin*)win);
1098 }
1099
1100 inline wxListView* GETLB(WindowID win) {
1101     return GETLBW(win)->GetLB();
1102 }
1103
1104 //----------------------------------------------------------------------
1105
1106 class ListBoxImpl : public ListBox {
1107 private:
1108     int                 lineHeight;
1109     bool                unicodeMode;
1110     int                 desiredVisibleRows;
1111     int                 aveCharWidth;
1112     size_t              maxStrWidth;
1113     Point               location;       // Caret location at which the list is opened
1114     wxImageList*        imgList;
1115     wxArrayInt*         imgTypeMap;
1116
1117 public:
1118     ListBoxImpl();
1119     ~ListBoxImpl();
1120     static ListBox *Allocate();
1121
1122     virtual void SetFont(Font &font);
1123     virtual void Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_, int technology_);
1124     virtual void SetAverageCharWidth(int width);
1125     virtual void SetVisibleRows(int rows);
1126     virtual int GetVisibleRows() const;
1127     virtual PRectangle GetDesiredRect();
1128     virtual int CaretFromEdge();
1129     virtual void Clear();
1130     virtual void Append(char *s, int type = -1);
1131             void Append(const wxString& text, int type);
1132     virtual int Length();
1133     virtual void Select(int n);
1134     virtual int GetSelection();
1135     virtual int Find(const char *prefix);
1136     virtual void GetValue(int n, char *value, int len);
1137     virtual void RegisterImage(int type, const char *xpm_data);
1138             void RegisterImageHelper(int type, wxBitmap& bmp);
1139     virtual void RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage);
1140     virtual void ClearRegisteredImages();
1141     virtual void SetDoubleClickAction(CallBackAction, void *);
1142     virtual void SetList(const char* list, char separator, char typesep);
1143 };
1144
1145
1146 ListBoxImpl::ListBoxImpl()
1147     : lineHeight(10), unicodeMode(false),
1148       desiredVisibleRows(5), aveCharWidth(8), maxStrWidth(0),
1149       imgList(NULL), imgTypeMap(NULL)
1150 {
1151 }
1152
1153 ListBoxImpl::~ListBoxImpl() {
1154     wxDELETE(imgList);
1155     wxDELETE(imgTypeMap);
1156 }
1157
1158
1159 void ListBoxImpl::SetFont(Font &font) {
1160     GETLB(wid)->SetFont(*((wxFont*)font.GetID()));
1161 }
1162
1163
1164 void ListBoxImpl::Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_, int WXUNUSED(technology_)) {
1165     location = location_;
1166     lineHeight =  lineHeight_;
1167     unicodeMode = unicodeMode_;
1168     maxStrWidth = 0;
1169     wid = new wxSTCListBoxWin(GETWIN(parent.GetID()), ctrlID, location);
1170     if (imgList != NULL)
1171         GETLB(wid)->SetImageList(imgList, wxIMAGE_LIST_SMALL);
1172 }
1173
1174
1175 void ListBoxImpl::SetAverageCharWidth(int width) {
1176     aveCharWidth = width;
1177 }
1178
1179
1180 void ListBoxImpl::SetVisibleRows(int rows) {
1181     desiredVisibleRows = rows;
1182 }
1183
1184
1185 int ListBoxImpl::GetVisibleRows() const {
1186     return desiredVisibleRows;
1187 }
1188
1189 PRectangle ListBoxImpl::GetDesiredRect() {
1190     // wxListCtrl doesn't have a DoGetBestSize, so instead we kept track of
1191     // the max size in Append and calculate it here...
1192     int maxw = maxStrWidth * aveCharWidth;
1193     int maxh ;
1194
1195     // give it a default if there are no lines, and/or add a bit more
1196     if (maxw == 0) maxw = 100;
1197     maxw += aveCharWidth * 3 +
1198             GETLBW(wid)->IconWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
1199     if (maxw > 350)
1200         maxw = 350;
1201
1202     // estimate a desired height
1203     int count = GETLB(wid)->GetItemCount();
1204     if (count) {
1205         wxRect rect;
1206         GETLB(wid)->GetItemRect(0, rect);
1207         maxh = count * rect.GetHeight();
1208         if (maxh > 140)  // TODO:  Use desiredVisibleRows??
1209             maxh = 140;
1210
1211         // Try to make the size an exact multiple of some number of lines
1212         int lines = maxh / rect.GetHeight();
1213         maxh = (lines + 1) * rect.GetHeight() + 2;
1214     }
1215     else
1216         maxh = 100;
1217
1218     PRectangle rc;
1219     rc.top = 0;
1220     rc.left = 0;
1221     rc.right = maxw;
1222     rc.bottom = maxh;
1223     return rc;
1224 }
1225
1226
1227 int ListBoxImpl::CaretFromEdge() {
1228     return 4 + GETLBW(wid)->IconWidth();
1229 }
1230
1231
1232 void ListBoxImpl::Clear() {
1233     GETLB(wid)->DeleteAllItems();
1234 }
1235
1236
1237 void ListBoxImpl::Append(char *s, int type) {
1238     Append(stc2wx(s), type);
1239 }
1240
1241 void ListBoxImpl::Append(const wxString& text, int type) {
1242     long count  = GETLB(wid)->GetItemCount();
1243     long itemID  = GETLB(wid)->InsertItem(count, wxEmptyString);
1244     long idx = -1;
1245     GETLB(wid)->SetItem(itemID, 1, text);
1246     maxStrWidth = wxMax(maxStrWidth, text.length());
1247     if (type != -1) {
1248         wxCHECK_RET(imgTypeMap, wxT("Unexpected NULL imgTypeMap"));
1249         idx = imgTypeMap->Item(type);
1250     }
1251     GETLB(wid)->SetItemImage(itemID, idx, idx);
1252 }
1253
1254 void ListBoxImpl::SetList(const char* list, char separator, char typesep) {
1255     GETLB(wid)->Freeze();
1256     Clear();
1257     wxStringTokenizer tkzr(stc2wx(list), (wxChar)separator);
1258     while ( tkzr.HasMoreTokens() ) {
1259         wxString token = tkzr.GetNextToken();
1260         long type = -1;
1261         int pos = token.Find(typesep);
1262         if (pos != -1) {
1263             token.Mid(pos+1).ToLong(&type);
1264             token.Truncate(pos);
1265         }
1266         Append(token, (int)type);
1267     }
1268     GETLB(wid)->Thaw();
1269 }
1270
1271
1272 int ListBoxImpl::Length() {
1273     return GETLB(wid)->GetItemCount();
1274 }
1275
1276
1277 void ListBoxImpl::Select(int n) {
1278     bool select = true;
1279     if (n == -1) {
1280         n = 0;
1281         select = false;
1282     }
1283     GETLB(wid)->EnsureVisible(n);
1284     GETLB(wid)->Select(n, select);
1285 }
1286
1287
1288 int ListBoxImpl::GetSelection() {
1289     return GETLB(wid)->GetFirstSelected();
1290 }
1291
1292
1293 int ListBoxImpl::Find(const char *WXUNUSED(prefix)) {
1294     // No longer used
1295     return wxNOT_FOUND;
1296 }
1297
1298
1299 void ListBoxImpl::GetValue(int n, char *value, int len) {
1300     wxListItem item;
1301     item.SetId(n);
1302     item.SetColumn(1);
1303     item.SetMask(wxLIST_MASK_TEXT);
1304     GETLB(wid)->GetItem(item);
1305     strncpy(value, wx2stc(item.GetText()), len);
1306     value[len-1] = '\0';
1307 }
1308
1309 void ListBoxImpl::RegisterImageHelper(int type, wxBitmap& bmp)
1310 {
1311     if (! imgList) {
1312         // assumes all images are the same size
1313         imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), true);
1314         imgTypeMap = new wxArrayInt;
1315     }
1316
1317     int idx = imgList->Add(bmp);
1318
1319     // do we need to extend the mapping array?
1320     wxArrayInt& itm = *imgTypeMap;
1321     if ( itm.GetCount() < (size_t)type+1)
1322         itm.Add(-1, type - itm.GetCount() + 1);
1323
1324     // Add an item that maps type to the image index
1325     itm[type] = idx;
1326 }
1327
1328 void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
1329     wxMemoryInputStream stream(xpm_data, strlen(xpm_data)+1);
1330     wxImage img(stream, wxBITMAP_TYPE_XPM);
1331     wxBitmap bmp(img);
1332     RegisterImageHelper(type, bmp);
1333 }
1334
1335
1336 void ListBoxImpl::RegisterRGBAImage(int type, int width, int height,
1337                                     const unsigned char *pixelsImage)
1338 {
1339 #ifdef wxHAS_RAW_BITMAP
1340     wxBitmap bmp = BitmapFromRGBAImage(width, height, pixelsImage);
1341     RegisterImageHelper(type, bmp);
1342 #endif
1343 }
1344
1345
1346 void ListBoxImpl::ClearRegisteredImages() {
1347     wxDELETE(imgList);
1348     wxDELETE(imgTypeMap);
1349     if (wid)
1350         GETLB(wid)->SetImageList(NULL, wxIMAGE_LIST_SMALL);
1351 }
1352
1353
1354 void ListBoxImpl::SetDoubleClickAction(CallBackAction action, void *data) {
1355     GETLBW(wid)->SetDoubleClickAction(action, data);
1356 }
1357
1358
1359 ListBox::ListBox() {
1360 }
1361
1362 ListBox::~ListBox() {
1363 }
1364
1365 ListBox *ListBox::Allocate() {
1366     return new ListBoxImpl();
1367 }
1368
1369 //----------------------------------------------------------------------
1370
1371 Menu::Menu() : mid(0) {
1372 }
1373
1374 void Menu::CreatePopUp() {
1375     Destroy();
1376     mid = new wxMenu();
1377 }
1378
1379 void Menu::Destroy() {
1380     if (mid)
1381         delete (wxMenu*)mid;
1382     mid = 0;
1383 }
1384
1385 void Menu::Show(Point pt, Window &w) {
1386     GETWIN(w.GetID())->PopupMenu((wxMenu*)mid, pt.x - 4, pt.y);
1387     Destroy();
1388 }
1389
1390 //----------------------------------------------------------------------
1391
1392 DynamicLibrary *DynamicLibrary::Load(const char *WXUNUSED(modulePath)) {
1393     wxFAIL_MSG(wxT("Dynamic lexer loading not implemented yet"));
1394     return NULL;
1395 }
1396
1397 //----------------------------------------------------------------------
1398
1399 ColourDesired Platform::Chrome() {
1400     wxColour c;
1401     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
1402     return ColourDesired(c.Red(), c.Green(), c.Blue());
1403 }
1404
1405 ColourDesired Platform::ChromeHighlight() {
1406     wxColour c;
1407     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT);
1408     return ColourDesired(c.Red(), c.Green(), c.Blue());
1409 }
1410
1411 const char *Platform::DefaultFont() {
1412     static char buf[128];
1413     strcpy(buf, wxNORMAL_FONT->GetFaceName().mbc_str());
1414     return buf;
1415 }
1416
1417 int Platform::DefaultFontSize() {
1418     return wxNORMAL_FONT->GetPointSize();
1419 }
1420
1421 unsigned int Platform::DoubleClickTime() {
1422     return 500;   // **** ::GetDoubleClickTime();
1423 }
1424
1425 bool Platform::MouseButtonBounce() {
1426     return false;
1427 }
1428
1429 bool Platform::IsKeyDown(int WXUNUSED(key)) {
1430     return false;  // I don't think we'll need this.
1431 }
1432
1433 long Platform::SendScintilla(WindowID w,
1434                              unsigned int msg,
1435                              unsigned long wParam,
1436                              long lParam) {
1437
1438     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1439     return stc->SendMsg(msg, wParam, lParam);
1440 }
1441
1442 long Platform::SendScintillaPointer(WindowID w,
1443                                     unsigned int msg,
1444                                     unsigned long wParam,
1445                                     void *lParam) {
1446
1447     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1448     return stc->SendMsg(msg, wParam, (wxIntPtr)lParam);
1449 }
1450
1451
1452 // These are utility functions not really tied to a platform
1453
1454 int Platform::Minimum(int a, int b) {
1455     if (a < b)
1456         return a;
1457     else
1458         return b;
1459 }
1460
1461 int Platform::Maximum(int a, int b) {
1462     if (a > b)
1463         return a;
1464     else
1465         return b;
1466 }
1467
1468 //#define TRACE
1469
1470 void Platform::DebugDisplay(const char *s) {
1471 #ifdef TRACE
1472     wxLogDebug(stc2wx(s));
1473 #else
1474     wxUnusedVar(s);
1475 #endif
1476 }
1477
1478 void Platform::DebugPrintf(const char *format, ...) {
1479 #ifdef TRACE
1480     char buffer[2000];
1481     va_list pArguments;
1482     va_start(pArguments, format);
1483     vsprintf(buffer,format,pArguments);
1484     va_end(pArguments);
1485     Platform::DebugDisplay(buffer);
1486 #else
1487     wxUnusedVar(format);
1488 #endif
1489 }
1490
1491
1492 static bool assertionPopUps = true;
1493
1494 bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
1495     bool ret = assertionPopUps;
1496     assertionPopUps = assertionPopUps_;
1497     return ret;
1498 }
1499
1500 void Platform::Assert(const char *c, const char *file, int line) {
1501 #ifdef TRACE
1502     char buffer[2000];
1503     sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
1504     if (assertionPopUps) {
1505         /*int idButton = */
1506         wxMessageBox(stc2wx(buffer),
1507                      wxT("Assertion failure"),
1508                      wxICON_HAND | wxOK);
1509     } else {
1510         strcat(buffer, "\r\n");
1511         Platform::DebugDisplay(buffer);
1512         abort();
1513     }
1514 #else
1515     wxUnusedVar(c);
1516     wxUnusedVar(file);
1517     wxUnusedVar(line);
1518 #endif
1519 }
1520
1521
1522 int Platform::Clamp(int val, int minVal, int maxVal) {
1523     if (val > maxVal)
1524         val = maxVal;
1525     if (val < minVal)
1526         val = minVal;
1527     return val;
1528 }
1529
1530
1531 bool Platform::IsDBCSLeadByte(int WXUNUSED(codePage), char WXUNUSED(ch)) {
1532     return false;
1533 }
1534
1535 int Platform::DBCSCharLength(int WXUNUSED(codePage), const char *WXUNUSED(s)) {
1536     return 1;
1537 }
1538
1539 int Platform::DBCSCharMaxLength() {
1540     return 1;
1541 }
1542
1543
1544 //----------------------------------------------------------------------
1545
1546 ElapsedTime::ElapsedTime() {
1547     wxLongLong localTime = wxGetLocalTimeMillis();
1548     littleBit = localTime.GetLo();
1549     bigBit = localTime.GetHi();
1550 }
1551
1552 double ElapsedTime::Duration(bool reset) {
1553     wxLongLong prevTime(bigBit, littleBit);
1554     wxLongLong localTime = wxGetLocalTimeMillis();
1555     if(reset) {
1556         littleBit = localTime.GetLo();
1557         bigBit = localTime.GetHi();
1558     }
1559     wxLongLong duration = localTime - prevTime;
1560     double result = duration.ToDouble();
1561     result /= 1000.0;
1562     return result;
1563 }
1564
1565
1566 //----------------------------------------------------------------------
1567
1568 #if wxUSE_UNICODE
1569
1570 #include "UniConversion.h"
1571
1572 // Convert using Scintilla's functions instead of wx's, Scintilla's are more
1573 // forgiving and won't assert...
1574
1575 wxString stc2wx(const char* str, size_t len)
1576 {
1577     if (!len)
1578         return wxEmptyString;
1579
1580     size_t wclen = UTF16Length(str, len);
1581     wxWCharBuffer buffer(wclen+1);
1582
1583     size_t actualLen = UTF16FromUTF8(str, len, buffer.data(), wclen+1);
1584     return wxString(buffer.data(), actualLen);
1585 }
1586
1587
1588
1589 wxString stc2wx(const char* str)
1590 {
1591     return stc2wx(str, strlen(str));
1592 }
1593
1594
1595 wxWX2MBbuf wx2stc(const wxString& str)
1596 {
1597     const wchar_t* wcstr = str.c_str();
1598     size_t wclen         = str.length();
1599     size_t len           = UTF8Length(wcstr, wclen);
1600
1601     wxCharBuffer buffer(len+1);
1602     UTF8FromUTF16(wcstr, wclen, buffer.data(), len);
1603
1604     // TODO check NULL termination!!
1605
1606     return buffer;
1607 }
1608
1609 #endif
1610
1611 #endif // wxUSE_STC