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 #include "wx/tokenzr.h"
  16
  17 #ifdef wxHAVE_RAW_BITMAP
  18 #include "wx/rawbmp.h"
  19 #endif
  20
  21 #include "Platform.h"
  22 #include "PlatWX.h"
  23 #include "wx/stc/stc.h"
  24
  25
  26
  27 Point Point::FromLong(long lpoint) {
  28     return Point(lpoint & 0xFFFF, lpoint >> 16);
  29 }
  30
  31 wxRect wxRectFromPRectangle(PRectangle prc) {
  32     wxRect r(prc.left, prc.top,
  33              prc.Width(), prc.Height());
  34     return r;
  35 }
  36
  37 PRectangle PRectangleFromwxRect(wxRect rc) {
  38     return PRectangle(rc.GetLeft(), rc.GetTop(),
  39                       rc.GetRight()+1, rc.GetBottom()+1);
  40 }
  41
  42 wxColour wxColourFromCA(const ColourAllocated& ca) {
  43     ColourDesired cd(ca.AsLong());
  44     return wxColour((unsigned char)cd.GetRed(),
  45                     (unsigned char)cd.GetGreen(),
  46                     (unsigned char)cd.GetBlue());
  47 }
  48
  49 //----------------------------------------------------------------------
  50
  51 Palette::Palette() {
  52     used = 0;
  53     allowRealization = false;
  54     size = 100;
  55     entries = new ColourPair[size];
  56 }
  57
  58 Palette::~Palette() {
  59     Release();
  60     delete [] entries;
  61     entries = 0;
  62 }
  63
  64 void Palette::Release() {
  65     used = 0;
  66     delete [] entries;
  67     size = 100;
  68     entries = new ColourPair[size];
  69 }
  70
  71 // This method either adds a colour to the list of wanted colours (want==true)
  72 // or retrieves the allocated colour back to the ColourPair.
  73 // This is one method to make it easier to keep the code for wanting and retrieving in sync.
  74 void Palette::WantFind(ColourPair &cp, bool want) {
  75     if (want) {
  76         for (int i=0; i < used; i++) {
  77             if (entries[i].desired == cp.desired)
  78                 return;
  79         }
  80
  81         if (used >= size) {
  82             int sizeNew = size * 2;
  83             ColourPair *entriesNew = new ColourPair[sizeNew];
  84             for (int j=0; j<size; j++) {
  85                 entriesNew[j] = entries[j];
  86             }
  87             delete []entries;
  88             entries = entriesNew;
  89             size = sizeNew;
  90         }
  91
  92         entries[used].desired = cp.desired;
  93         entries[used].allocated.Set(cp.desired.AsLong());
  94         used++;
  95     } else {
  96         for (int i=0; i < used; i++) {
  97             if (entries[i].desired == cp.desired) {
  98                 cp.allocated = entries[i].allocated;
  99                 return;
 100             }
 101         }
 102         cp.allocated.Set(cp.desired.AsLong());
 103     }
 104 }
 105
 106 void Palette::Allocate(Window &) {
 107     if (allowRealization) {
 108     }
 109 }
 110
 111
 112 //----------------------------------------------------------------------
 113
 114 Font::Font() {
 115     id = 0;
 116     ascent = 0;
 117 }
 118
 119 Font::~Font() {
 120 }
 121
 122 void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic, bool extraFontFlag) {
 123
 124     Release();
 125
 126     // The minus one is done because since Scintilla uses SC_SHARSET_DEFAULT
 127     // internally and we need to have wxFONENCODING_DEFAULT == SC_SHARSET_DEFAULT
 128     // so we adjust the encoding before passing it to Scintilla.  See also
 129     // wxStyledTextCtrl::StyleSetCharacterSet
 130     wxFontEncoding encoding = (wxFontEncoding)(characterSet-1);
 131
 132     wxFontEncodingArray ea = wxEncodingConverter::GetPlatformEquivalents(encoding);
 133     if (ea.GetCount())
 134         encoding = ea[0];
 135
 136     wxFont* font = new wxFont(size,
 137                     wxDEFAULT,
 138                     italic ? wxITALIC :  wxNORMAL,
 139                     bold ? wxBOLD : wxNORMAL,
 140                     false,
 141                     stc2wx(faceName),
 142                     encoding);
 143     font->SetNoAntiAliasing(!extraFontFlag);
 144     id = font;
 145 }
 146
 147
 148 void Font::Release() {
 149     if (id)
 150         delete (wxFont*)id;
 151     id = 0;
 152 }
 153
 154 //----------------------------------------------------------------------
 155
 156 class SurfaceImpl : public Surface {
 157 private:
 158     wxDC*       hdc;
 159     bool        hdcOwned;
 160     wxBitmap*   bitmap;
 161     int         x;
 162     int         y;
 163     bool        unicodeMode;
 164
 165 public:
 166     SurfaceImpl();
 167     ~SurfaceImpl();
 168
 169     virtual void Init(WindowID wid);
 170     virtual void Init(SurfaceID sid, WindowID wid);
 171     virtual void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
 172
 173     virtual void Release();
 174     virtual bool Initialised();
 175     virtual void PenColour(ColourAllocated fore);
 176     virtual int LogPixelsY();
 177     virtual int DeviceHeightFont(int points);
 178     virtual void MoveTo(int x_, int y_);
 179     virtual void LineTo(int x_, int y_);
 180     virtual void Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back);
 181     virtual void RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 182     virtual void FillRectangle(PRectangle rc, ColourAllocated back);
 183     virtual void FillRectangle(PRectangle rc, Surface &surfacePattern);
 184     virtual void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 185     virtual void AlphaRectangle(PRectangle rc, int cornerSize, ColourAllocated fill, int alphaFill,
 186                                 ColourAllocated outline, int alphaOutline, int flags);
 187     virtual void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 188     virtual void Copy(PRectangle rc, Point from, Surface &surfaceSource);
 189
 190     virtual void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 191     virtual void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 192     virtual void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore);
 193     virtual void MeasureWidths(Font &font_, const char *s, int len, int *positions);
 194     virtual int WidthText(Font &font_, const char *s, int len);
 195     virtual int WidthChar(Font &font_, char ch);
 196     virtual int Ascent(Font &font_);
 197     virtual int Descent(Font &font_);
 198     virtual int InternalLeading(Font &font_);
 199     virtual int ExternalLeading(Font &font_);
 200     virtual int Height(Font &font_);
 201     virtual int AverageCharWidth(Font &font_);
 202
 203     virtual int SetPalette(Palette *pal, bool inBackGround);
 204     virtual void SetClip(PRectangle rc);
 205     virtual void FlushCachedState();
 206
 207     virtual void SetUnicodeMode(bool unicodeMode_);
 208     virtual void SetDBCSMode(int codePage);
 209
 210     void BrushColour(ColourAllocated back);
 211     void SetFont(Font &font_);
 212 };
 213
 214
 215
 216 SurfaceImpl::SurfaceImpl() :
 217     hdc(0), hdcOwned(0), bitmap(0),
 218     x(0), y(0), unicodeMode(0)
 219 {}
 220
 221 SurfaceImpl::~SurfaceImpl() {
 222     Release();
 223 }
 224
 225 void SurfaceImpl::Init(WindowID wid) {
 226 #if 0
 227     Release();
 228     hdc = new wxMemoryDC();
 229     hdcOwned = true;
 230 #else
 231     // On Mac and GTK the DC is not really valid until it has a bitmap
 232     // selected into it.  So instead of just creating the DC with no bitmap,
 233     // go ahead and give it one.
 234     InitPixMap(1,1,NULL,wid);
 235 #endif
 236 }
 237
 238 void SurfaceImpl::Init(SurfaceID hdc_, WindowID) {
 239     Release();
 240     hdc = (wxDC*)hdc_;
 241 }
 242
 243 void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID) {
 244     Release();
 245     hdc = new wxMemoryDC();
 246     hdcOwned = true;
 247     if (width < 1) width = 1;
 248     if (height < 1) height = 1;
 249     bitmap = new wxBitmap(width, height);
 250     ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
 251 }
 252
 253
 254 void SurfaceImpl::Release() {
 255     if (bitmap) {
 256         ((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
 257         delete bitmap;
 258         bitmap = 0;
 259     }
 260     if (hdcOwned) {
 261         delete hdc;
 262         hdc = 0;
 263         hdcOwned = false;
 264     }
 265 }
 266
 267
 268 bool SurfaceImpl::Initialised() {
 269     return hdc != 0;
 270 }
 271
 272
 273 void SurfaceImpl::PenColour(ColourAllocated fore) {
 274     hdc->SetPen(wxPen(wxColourFromCA(fore), 1, wxSOLID));
 275 }
 276
 277 void SurfaceImpl::BrushColour(ColourAllocated back) {
 278     hdc->SetBrush(wxBrush(wxColourFromCA(back), wxSOLID));
 279 }
 280
 281 void SurfaceImpl::SetFont(Font &font_) {
 282   if (font_.GetID()) {
 283       hdc->SetFont(*((wxFont*)font_.GetID()));
 284     }
 285 }
 286
 287 int SurfaceImpl::LogPixelsY() {
 288     return hdc->GetPPI().y;
 289 }
 290
 291 int SurfaceImpl::DeviceHeightFont(int points) {
 292     return points;
 293 }
 294
 295 void SurfaceImpl::MoveTo(int x_, int y_) {
 296     x = x_;
 297     y = y_;
 298 }
 299
 300 void SurfaceImpl::LineTo(int x_, int y_) {
 301     hdc->DrawLine(x,y, x_,y_);
 302     x = x_;
 303     y = y_;
 304 }
 305
 306 void SurfaceImpl::Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back) {
 307     PenColour(fore);
 308     BrushColour(back);
 309     hdc->DrawPolygon(npts, (wxPoint*)pts);
 310 }
 311
 312 void SurfaceImpl::RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 313     PenColour(fore);
 314     BrushColour(back);
 315     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 316 }
 317
 318 void SurfaceImpl::FillRectangle(PRectangle rc, ColourAllocated back) {
 319     BrushColour(back);
 320     hdc->SetPen(*wxTRANSPARENT_PEN);
 321     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 322 }
 323
 324 void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern) {
 325     wxBrush br;
 326     if (((SurfaceImpl&)surfacePattern).bitmap)
 327         br = wxBrush(*((SurfaceImpl&)surfacePattern).bitmap);
 328     else    // Something is wrong so display in red
 329         br = wxBrush(*wxRED, wxSOLID);
 330     hdc->SetPen(*wxTRANSPARENT_PEN);
 331     hdc->SetBrush(br);
 332     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 333 }
 334
 335 void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 336     PenColour(fore);
 337     BrushColour(back);
 338     hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
 339 }
 340
 341 #ifdef __WXMSW__
 342 #define wxPy_premultiply(p, a)   ((p) * (a) / 0xff)
 343 #else
 344 #define wxPy_premultiply(p, a)   (p)
 345 #endif
 346
 347 void SurfaceImpl::AlphaRectangle(PRectangle rc, int cornerSize,
 348                                  ColourAllocated fill, int alphaFill,
 349                                  ColourAllocated outline, int alphaOutline,
 350                                  int /*flags*/) {
 351 #ifdef wxHAVE_RAW_BITMAP
 352
 353     // TODO:  do something with cornerSize
 354     wxUnusedVar(cornerSize);
 355
 356     int x, y;
 357     wxRect r = wxRectFromPRectangle(rc);
 358     wxBitmap bmp(r.width, r.height, 32);
 359     wxAlphaPixelData pixData(bmp);
 360     pixData.UseAlpha();
 361
 362     // Set the fill pixels
 363     ColourDesired cdf(fill.AsLong());
 364     int red   = cdf.GetRed();
 365     int green = cdf.GetGreen();
 366     int blue  = cdf.GetBlue();
 367
 368     wxAlphaPixelData::Iterator p(pixData);
 369     for (y=0; y<r.height; y++) {
 370         p.MoveTo(pixData, 0, y);
 371         for (x=0; x<r.width; x++) {
 372             p.Red()   = wxPy_premultiply(red,   alphaFill);
 373             p.Green() = wxPy_premultiply(green, alphaFill);
 374             p.Blue()  = wxPy_premultiply(blue,  alphaFill);
 375             p.Alpha() = alphaFill;
 376             ++p;
 377         }
 378     }
 379
 380     // Set the outline pixels
 381     ColourDesired cdo(outline.AsLong());
 382     red   = cdo.GetRed();
 383     green = cdo.GetGreen();
 384     blue  = cdo.GetBlue();
 385     for (x=0; x<r.width; x++) {
 386         p.MoveTo(pixData, x, 0);
 387         p.Red()   = wxPy_premultiply(red,   alphaOutline);
 388         p.Green() = wxPy_premultiply(green, alphaOutline);
 389         p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 390         p.Alpha() = alphaOutline;
 391         p.MoveTo(pixData, x, r.height-1);
 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     }
 397
 398     for (y=0; y<r.height; y++) {
 399         p.MoveTo(pixData, 0, y);
 400         p.Red()   = wxPy_premultiply(red,   alphaOutline);
 401         p.Green() = wxPy_premultiply(green, alphaOutline);
 402         p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 403         p.Alpha() = alphaOutline;
 404         p.MoveTo(pixData, r.width-1, y);
 405         p.Red()   = wxPy_premultiply(red,   alphaOutline);
 406         p.Green() = wxPy_premultiply(green, alphaOutline);
 407         p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
 408         p.Alpha() = alphaOutline;
 409     }
 410
 411     // Draw the bitmap
 412     hdc->DrawBitmap(bmp, r.x, r.y, true);
 413
 414 #else
 415     wxUnusedVar(cornerSize);
 416     wxUnusedVar(alphaFill);
 417     wxUnusedVar(alphaOutline);
 418     RectangleDraw(rc, outline, fill);
 419 #endif
 420 }
 421
 422 void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 423     PenColour(fore);
 424     BrushColour(back);
 425     hdc->DrawEllipse(wxRectFromPRectangle(rc));
 426 }
 427
 428 void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
 429     wxRect r = wxRectFromPRectangle(rc);
 430     hdc->Blit(r.x, r.y, r.width, r.height,
 431               ((SurfaceImpl&)surfaceSource).hdc,
 432               from.x, from.y, wxCOPY);
 433 }
 434
 435 void SurfaceImpl::DrawTextNoClip(PRectangle rc, Font &font, int ybase,
 436                                  const char *s, int len,
 437                                  ColourAllocated fore, ColourAllocated back) {
 438     SetFont(font);
 439     hdc->SetTextForeground(wxColourFromCA(fore));
 440     hdc->SetTextBackground(wxColourFromCA(back));
 441     FillRectangle(rc, back);
 442
 443     // ybase is where the baseline should be, but wxWin uses the upper left
 444     // corner, so I need to calculate the real position for the text...
 445     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 446 }
 447
 448 void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font, int ybase,
 449                                   const char *s, int len,
 450                                   ColourAllocated fore, ColourAllocated back) {
 451     SetFont(font);
 452     hdc->SetTextForeground(wxColourFromCA(fore));
 453     hdc->SetTextBackground(wxColourFromCA(back));
 454     FillRectangle(rc, back);
 455     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 456
 457     // see comments above
 458     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 459     hdc->DestroyClippingRegion();
 460 }
 461
 462
 463 void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font, int ybase,
 464                                       const char *s, int len,
 465                                       ColourAllocated fore) {
 466
 467     SetFont(font);
 468     hdc->SetTextForeground(wxColourFromCA(fore));
 469     hdc->SetBackgroundMode(wxTRANSPARENT);
 470
 471     // ybase is where the baseline should be, but wxWin uses the upper left
 472     // corner, so I need to calculate the real position for the text...
 473     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 474
 475     hdc->SetBackgroundMode(wxSOLID);
 476 }
 477
 478
 479 void SurfaceImpl::MeasureWidths(Font &font, const char *s, int len, int *positions) {
 480
 481     wxString   str = stc2wx(s, len);
 482     wxArrayInt tpos;
 483
 484     SetFont(font);
 485
 486     hdc->GetPartialTextExtents(str, tpos);
 487
 488 #if wxUSE_UNICODE
 489     // Map the widths for UCS-2 characters back to the UTF-8 input string
 490     // NOTE:  I don't think this is right for when sizeof(wxChar) > 2, ie wxGTK2
 491     // so figure it out and fix it!
 492     size_t i = 0;
 493     size_t ui = 0;
 494     while ((int)i < len) {
 495         unsigned char uch = (unsigned char)s[i];
 496         positions[i++] = tpos[ui];
 497         if (uch >= 0x80) {
 498             if (uch < (0x80 + 0x40 + 0x20)) {
 499                 positions[i++] = tpos[ui];
 500             } else {
 501                 positions[i++] = tpos[ui];
 502                 positions[i++] = tpos[ui];
 503             }
 504         }
 505         ui++;
 506     }
 507 #else
 508
 509     // If not unicode then just use the widths we have
 510 #if wxUSE_STL
 511     std::copy(tpos.begin(), tpos.end(), positions);
 512 #else
 513     memcpy(positions, tpos.begin(), len * sizeof(int));
 514 #endif
 515 #endif
 516 }
 517
 518
 519 int SurfaceImpl::WidthText(Font &font, const char *s, int len) {
 520     SetFont(font);
 521     int w;
 522     int h;
 523
 524     hdc->GetTextExtent(stc2wx(s, len), &w, &h);
 525     return w;
 526 }
 527
 528
 529 int SurfaceImpl::WidthChar(Font &font, char ch) {
 530     SetFont(font);
 531     int w;
 532     int h;
 533     char s[2] = { ch, 0 };
 534
 535     hdc->GetTextExtent(stc2wx(s, 1), &w, &h);
 536     return w;
 537 }
 538
 539 #define EXTENT_TEST wxT(" `~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 540
 541 int SurfaceImpl::Ascent(Font &font) {
 542     SetFont(font);
 543     int w, h, d, e;
 544     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 545     font.ascent = h - d;
 546     return font.ascent;
 547 }
 548
 549 int SurfaceImpl::Descent(Font &font) {
 550     SetFont(font);
 551     int w, h, d, e;
 552     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 553     return d;
 554 }
 555
 556 int SurfaceImpl::InternalLeading(Font &WXUNUSED(font)) {
 557     return 0;
 558 }
 559
 560 int SurfaceImpl::ExternalLeading(Font &font) {
 561     SetFont(font);
 562     int w, h, d, e;
 563     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 564     return e;
 565 }
 566
 567 int SurfaceImpl::Height(Font &font) {
 568     SetFont(font);
 569     return hdc->GetCharHeight() + 1;
 570 }
 571
 572 int SurfaceImpl::AverageCharWidth(Font &font) {
 573     SetFont(font);
 574     return hdc->GetCharWidth();
 575 }
 576
 577 int SurfaceImpl::SetPalette(Palette *WXUNUSED(pal), bool WXUNUSED(inBackGround)) {
 578     return 0;
 579 }
 580
 581 void SurfaceImpl::SetClip(PRectangle rc) {
 582     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 583 }
 584
 585 void SurfaceImpl::FlushCachedState() {
 586 }
 587
 588 void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
 589     unicodeMode=unicodeMode_;
 590 }
 591
 592 void SurfaceImpl::SetDBCSMode(int WXUNUSED(codePage)) {
 593     // dbcsMode = codePage == SC_CP_DBCS;
 594 }
 595
 596
 597 Surface *Surface::Allocate() {
 598     return new SurfaceImpl;
 599 }
 600
 601
 602 //----------------------------------------------------------------------
 603
 604
 605 inline wxWindow* GETWIN(WindowID id) { return (wxWindow*)id; }
 606
 607 Window::~Window() {
 608 }
 609
 610 void Window::Destroy() {
 611     if (id) {
 612         Show(false);
 613         GETWIN(id)->Destroy();
 614     }
 615     id = 0;
 616 }
 617
 618 bool Window::HasFocus() {
 619     return wxWindow::FindFocus() == GETWIN(id);
 620 }
 621
 622 PRectangle Window::GetPosition() {
 623     if (! id) return PRectangle();
 624     wxRect rc(GETWIN(id)->GetPosition(), GETWIN(id)->GetSize());
 625     return PRectangleFromwxRect(rc);
 626 }
 627
 628 void Window::SetPosition(PRectangle rc) {
 629     wxRect r = wxRectFromPRectangle(rc);
 630     GETWIN(id)->SetSize(r);
 631 }
 632
 633 void Window::SetPositionRelative(PRectangle rc, Window) {
 634     SetPosition(rc);  // ????
 635 }
 636
 637 PRectangle Window::GetClientPosition() {
 638     if (! id) return PRectangle();
 639     wxSize sz = GETWIN(id)->GetClientSize();
 640     return  PRectangle(0, 0, sz.x, sz.y);
 641 }
 642
 643 void Window::Show(bool show) {
 644     GETWIN(id)->Show(show);
 645 }
 646
 647 void Window::InvalidateAll() {
 648     GETWIN(id)->Refresh(false);
 649 }
 650
 651 void Window::InvalidateRectangle(PRectangle rc) {
 652     wxRect r = wxRectFromPRectangle(rc);
 653     GETWIN(id)->Refresh(false, &r);
 654 }
 655
 656 void Window::SetFont(Font &font) {
 657     GETWIN(id)->SetFont(*((wxFont*)font.GetID()));
 658 }
 659
 660 void Window::SetCursor(Cursor curs) {
 661     int cursorId;
 662
 663     switch (curs) {
 664     case cursorText:
 665         cursorId = wxCURSOR_IBEAM;
 666         break;
 667     case cursorArrow:
 668         cursorId = wxCURSOR_ARROW;
 669         break;
 670     case cursorUp:
 671         cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
 672         break;
 673     case cursorWait:
 674         cursorId = wxCURSOR_WAIT;
 675         break;
 676     case cursorHoriz:
 677         cursorId = wxCURSOR_SIZEWE;
 678         break;
 679     case cursorVert:
 680         cursorId = wxCURSOR_SIZENS;
 681         break;
 682     case cursorReverseArrow:
 683         cursorId = wxCURSOR_RIGHT_ARROW;
 684         break;
 685     case cursorHand:
 686         cursorId = wxCURSOR_HAND;
 687         break;
 688     default:
 689         cursorId = wxCURSOR_ARROW;
 690         break;
 691     }
 692 #ifdef __WXMOTIF__
 693        wxCursor wc = wxStockCursor(cursorId) ;
 694 #else
 695        wxCursor wc = wxCursor(cursorId) ;
 696 #endif
 697        if(curs != cursorLast)
 698        {
 699            GETWIN(id)->SetCursor(wc);
 700            cursorLast = curs;
 701        }
 702 }
 703
 704
 705 void Window::SetTitle(const char *s) {
 706     GETWIN(id)->SetLabel(stc2wx(s));
 707 }
 708
 709
 710 //----------------------------------------------------------------------
 711 // Helper classes for ListBox
 712
 713
 714 // This is a simple subclass of wxListView that just resets focus to the
 715 // parent when it gets it.
 716 class wxSTCListBox : public wxListView {
 717 public:
 718     wxSTCListBox(wxWindow* parent, wxWindowID id,
 719                  const wxPoint& pos, const wxSize& size,
 720                  long style)
 721         : wxListView()
 722     {
 723 #ifdef __WXMSW__
 724         Hide(); // don't flicker as we move it around...
 725 #endif
 726         Create(parent, id, pos, size, style);
 727     }
 728
 729
 730     void OnFocus(wxFocusEvent& event) {
 731         GetParent()->SetFocus();
 732         event.Skip();
 733     }
 734
 735     void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
 736         // Do nothing.  Prevents base class from resetting the colors...
 737     }
 738
 739 #ifdef __WXMAC__
 740     // For some reason I don't understand yet the focus doesn't really leave
 741     // the listbox like it should, so if we get any events feed them back to
 742     // the wxSTC
 743     void OnKeyDown(wxKeyEvent& event) {
 744         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 745     }
 746     void OnChar(wxKeyEvent& event) {
 747         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 748     }
 749
 750     // And we need to force the focus back when being destroyed
 751     ~wxSTCListBox() {
 752         GetGrandParent()->SetFocus();
 753     }
 754 #endif
 755
 756 private:
 757     DECLARE_EVENT_TABLE()
 758 };
 759
 760 BEGIN_EVENT_TABLE(wxSTCListBox, wxListView)
 761     EVT_SET_FOCUS( wxSTCListBox::OnFocus)
 762     EVT_KILL_FOCUS(wxSTCListBox::OnKillFocus)
 763 #ifdef __WXMAC__
 764     EVT_KEY_DOWN(  wxSTCListBox::OnKeyDown)
 765     EVT_CHAR(      wxSTCListBox::OnChar)
 766 #endif
 767 END_EVENT_TABLE()
 768
 769
 770
 771 #if wxUSE_POPUPWIN //-----------------------------------
 772 #include <wx/popupwin.h>
 773
 774
 775 //
 776 // TODO: Refactor these two classes to have a common base (or a mix-in) to get
 777 // rid of the code duplication.  (Either that or convince somebody to
 778 // implement wxPopupWindow for the Mac!!)
 779 //
 780 // In the meantime, be careful to duplicate any changes as needed...
 781 //
 782
 783 // A popup window to place the wxSTCListBox upon
 784 class wxSTCListBoxWin : public wxPopupWindow
 785 {
 786 private:
 787     wxListView*         lv;
 788     CallBackAction      doubleClickAction;
 789     void*               doubleClickActionData;
 790 public:
 791     wxSTCListBoxWin(wxWindow* parent, wxWindowID id, Point WXUNUSED(location)) :
 792         wxPopupWindow(parent, wxBORDER_NONE)
 793     {
 794         SetBackgroundColour(*wxBLACK);  // for our simple border
 795
 796         lv = new wxSTCListBox(parent, id, wxDefaultPosition, wxDefaultSize,
 797                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxBORDER_NONE);
 798         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 799         lv->InsertColumn(0, wxEmptyString);
 800         lv->InsertColumn(1, wxEmptyString);
 801
 802         // NOTE: We need to fool the wxListView into thinking that it has the
 803         // focus so it will use the normal selection colour and will look
 804         // "right" to the user.  But since the wxPopupWindow or its children
 805         // can't receive focus then we have to pull a fast one and temporarily
 806         // parent the listctrl on the STC window and then call SetFocus and
 807         // then reparent it back to the popup.
 808         lv->SetFocus();
 809         lv->Reparent(this);
 810 #ifdef __WXMSW__
 811         lv->Show();
 812 #endif
 813     }
 814
 815
 816     // Set position in client coords
 817     virtual void DoSetSize(int x, int y,
 818                            int width, int height,
 819                            int sizeFlags = wxSIZE_AUTO) {
 820         if (x != wxDefaultCoord) {
 821             GetParent()->ClientToScreen(&x, NULL);
 822         }
 823         if (y != wxDefaultCoord) {
 824             GetParent()->ClientToScreen(NULL, &y);
 825         }
 826         wxPopupWindow::DoSetSize(x, y, width, height, sizeFlags);
 827     }
 828
 829     // return position as if it were in client coords
 830     virtual void DoGetPosition( int *x, int *y ) const {
 831         int sx, sy;
 832         wxPopupWindow::DoGetPosition(&sx, &sy);
 833         GetParent()->ScreenToClient(&sx, &sy);
 834         if (x) *x = sx;
 835         if (y) *y = sy;
 836     }
 837
 838
 839     bool Destroy() {
 840         if ( !wxPendingDelete.Member(this) )
 841             wxPendingDelete.Append(this);
 842         return true;
 843     }
 844
 845
 846     int IconWidth() {
 847         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 848         if (il != NULL) {
 849             int w, h;
 850             il->GetSize(0, w, h);
 851             return w;
 852         }
 853         return 0;
 854     }
 855
 856
 857     void SetDoubleClickAction(CallBackAction action, void *data) {
 858         doubleClickAction = action;
 859         doubleClickActionData = data;
 860     }
 861
 862
 863     void OnFocus(wxFocusEvent& event) {
 864         GetParent()->SetFocus();
 865         event.Skip();
 866     }
 867
 868     void OnSize(wxSizeEvent& event) {
 869         // resize the child
 870         wxSize sz = GetSize();
 871         sz.x -= 2;
 872         sz.y -= 2;
 873         lv->SetSize(1, 1, sz.x, sz.y);
 874         // reset the column widths
 875         lv->SetColumnWidth(0, IconWidth()+4);
 876         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
 877                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 878         event.Skip();
 879     }
 880
 881     void OnActivate(wxListEvent& WXUNUSED(event)) {
 882         doubleClickAction(doubleClickActionData);
 883     }
 884
 885     wxListView* GetLB() { return lv; }
 886
 887 private:
 888     DECLARE_EVENT_TABLE()
 889
 890 };
 891
 892 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxPopupWindow)
 893     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
 894     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
 895     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
 896 END_EVENT_TABLE()
 897
 898
 899
 900 #else // wxUSE_POPUPWIN -----------------------------------
 901
 902 // A normal window to place the wxSTCListBox upon.
 903 class wxSTCListBoxWin : public wxWindow {
 904 private:
 905     wxListView*         lv;
 906     CallBackAction      doubleClickAction;
 907     void*               doubleClickActionData;
 908 public:
 909     wxSTCListBoxWin(wxWindow* parent, wxWindowID id, Point location) :
 910         wxWindow(parent, id, wxPoint(location.x, location.y), wxSize(0,0), wxSIMPLE_BORDER )
 911     {
 912
 913         lv = new wxSTCListBox(this, id, wxDefaultPosition, wxDefaultSize,
 914                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxNO_BORDER);
 915         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 916         lv->InsertColumn(0, wxEmptyString);
 917         lv->InsertColumn(1, wxEmptyString);
 918
 919         // Eventhough we immediately reset the focus to the parent, this helps
 920         // things to look right...
 921         lv->SetFocus();
 922
 923         Hide();
 924     }
 925
 926
 927     // On OSX and (possibly others) there can still be pending
 928     // messages/events for the list control when Scintilla wants to
 929     // close it, so do a pending delete of it instead of destroying
 930     // immediately.
 931     bool Destroy() {
 932 #ifdef __WXMAC__
 933         // The bottom edge of this window is not getting properly
 934         // refreshed upon deletion, so help it out...
 935         wxWindow* p = GetParent();
 936         wxRect r(GetPosition(), GetSize());
 937         r.SetHeight(r.GetHeight()+1);
 938         p->Refresh(false, &r);
 939 #endif
 940         if ( !wxPendingDelete.Member(this) )
 941             wxPendingDelete.Append(this);
 942         return true;
 943     }
 944
 945
 946     int IconWidth() {
 947         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 948         if (il != NULL) {
 949             int w, h;
 950             il->GetSize(0, w, h);
 951             return w;
 952         }
 953         return 0;
 954     }
 955
 956
 957     void SetDoubleClickAction(CallBackAction action, void *data) {
 958         doubleClickAction = action;
 959         doubleClickActionData = data;
 960     }
 961
 962
 963     void OnFocus(wxFocusEvent& event) {
 964         GetParent()->SetFocus();
 965         event.Skip();
 966     }
 967
 968     void OnSize(wxSizeEvent& event) {
 969         // resize the child
 970         wxSize sz = GetClientSize();
 971         lv->SetSize(sz);
 972         // reset the column widths
 973         lv->SetColumnWidth(0, IconWidth()+4);
 974         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
 975                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 976         event.Skip();
 977     }
 978
 979 #ifdef __WXMAC__
 980     virtual bool Show(bool show = true) {
 981         bool rv = wxWindow::Show(show);
 982         GetParent()->Refresh(false);
 983         return rv;
 984     }
 985 #endif
 986
 987     void OnActivate(wxListEvent& WXUNUSED(event)) {
 988         doubleClickAction(doubleClickActionData);
 989     }
 990
 991     wxListView* GetLB() { return lv; }
 992
 993 private:
 994     DECLARE_EVENT_TABLE()
 995 };
 996
 997
 998 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxWindow)
 999     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
1000     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
1001     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
1002 END_EVENT_TABLE()
1003
1004 #endif // wxUSE_POPUPWIN -----------------------------------
1005
1006
1007 inline wxSTCListBoxWin* GETLBW(WindowID win) {
1008     return ((wxSTCListBoxWin*)win);
1009 }
1010
1011 inline wxListView* GETLB(WindowID win) {
1012     return GETLBW(win)->GetLB();
1013 }
1014
1015 //----------------------------------------------------------------------
1016
1017 class ListBoxImpl : public ListBox {
1018 private:
1019     int                 lineHeight;
1020     bool                unicodeMode;
1021     int                 desiredVisibleRows;
1022     int                 aveCharWidth;
1023     size_t              maxStrWidth;
1024     Point               location;       // Caret location at which the list is opened
1025     wxImageList*        imgList;
1026     wxArrayInt*         imgTypeMap;
1027
1028 public:
1029     ListBoxImpl();
1030     ~ListBoxImpl();
1031
1032     virtual void SetFont(Font &font);
1033     virtual void Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_);
1034     virtual void SetAverageCharWidth(int width);
1035     virtual void SetVisibleRows(int rows);
1036     virtual int GetVisibleRows() const;
1037     virtual PRectangle GetDesiredRect();
1038     virtual int CaretFromEdge();
1039     virtual void Clear();
1040     virtual void Append(char *s, int type = -1);
1041             void Append(const wxString& text, int type);
1042     virtual int Length();
1043     virtual void Select(int n);
1044     virtual int GetSelection();
1045     virtual int Find(const char *prefix);
1046     virtual void GetValue(int n, char *value, int len);
1047     virtual void RegisterImage(int type, const char *xpm_data);
1048     virtual void ClearRegisteredImages();
1049     virtual void SetDoubleClickAction(CallBackAction, void *);
1050     virtual void SetList(const char* list, char separator, char typesep);
1051 };
1052
1053
1054 ListBoxImpl::ListBoxImpl()
1055     : lineHeight(10), unicodeMode(false),
1056       desiredVisibleRows(5), aveCharWidth(8), maxStrWidth(0),
1057       imgList(NULL), imgTypeMap(NULL)
1058 {
1059 }
1060
1061 ListBoxImpl::~ListBoxImpl() {
1062     if (imgList) {
1063         delete imgList;
1064         imgList = NULL;
1065     }
1066     if (imgTypeMap) {
1067         delete imgTypeMap;
1068         imgTypeMap = NULL;
1069     }
1070 }
1071
1072
1073 void ListBoxImpl::SetFont(Font &font) {
1074     GETLB(id)->SetFont(*((wxFont*)font.GetID()));
1075 }
1076
1077
1078 void ListBoxImpl::Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_) {
1079     location = location_;
1080     lineHeight =  lineHeight_;
1081     unicodeMode = unicodeMode_;
1082     maxStrWidth = 0;
1083     id = new wxSTCListBoxWin(GETWIN(parent.GetID()), ctrlID, location);
1084     if (imgList != NULL)
1085         GETLB(id)->SetImageList(imgList, wxIMAGE_LIST_SMALL);
1086 }
1087
1088
1089 void ListBoxImpl::SetAverageCharWidth(int width) {
1090     aveCharWidth = width;
1091 }
1092
1093
1094 void ListBoxImpl::SetVisibleRows(int rows) {
1095     desiredVisibleRows = rows;
1096 }
1097
1098
1099 int ListBoxImpl::GetVisibleRows() const {
1100     return desiredVisibleRows;
1101 }
1102
1103 PRectangle ListBoxImpl::GetDesiredRect() {
1104     // wxListCtrl doesn't have a DoGetBestSize, so instead we kept track of
1105     // the max size in Append and calculate it here...
1106     int maxw = maxStrWidth * aveCharWidth;
1107     int maxh ;
1108
1109     // give it a default if there are no lines, and/or add a bit more
1110     if (maxw == 0) maxw = 100;
1111     maxw += aveCharWidth * 3 +
1112             GETLBW(id)->IconWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
1113     if (maxw > 350)
1114         maxw = 350;
1115
1116     // estimate a desired height
1117     int count = GETLB(id)->GetItemCount();
1118     if (count) {
1119         wxRect rect;
1120         GETLB(id)->GetItemRect(0, rect);
1121         maxh = count * rect.GetHeight();
1122         if (maxh > 140)  // TODO:  Use desiredVisibleRows??
1123             maxh = 140;
1124
1125         // Try to make the size an exact multiple of some number of lines
1126         int lines = maxh / rect.GetHeight();
1127         maxh = (lines + 1) * rect.GetHeight() + 2;
1128     }
1129     else
1130         maxh = 100;
1131
1132     PRectangle rc;
1133     rc.top = 0;
1134     rc.left = 0;
1135     rc.right = maxw;
1136     rc.bottom = maxh;
1137     return rc;
1138 }
1139
1140
1141 int ListBoxImpl::CaretFromEdge() {
1142     return 4 + GETLBW(id)->IconWidth();
1143 }
1144
1145
1146 void ListBoxImpl::Clear() {
1147     GETLB(id)->DeleteAllItems();
1148 }
1149
1150
1151 void ListBoxImpl::Append(char *s, int type) {
1152     Append(stc2wx(s), type);
1153 }
1154
1155 void ListBoxImpl::Append(const wxString& text, int type) {
1156     long count  = GETLB(id)->GetItemCount();
1157     long itemID  = GETLB(id)->InsertItem(count, wxEmptyString);
1158     GETLB(id)->SetItem(itemID, 1, text);
1159     maxStrWidth = wxMax(maxStrWidth, text.length());
1160     if (type != -1) {
1161         wxCHECK_RET(imgTypeMap, wxT("Unexpected NULL imgTypeMap"));
1162         long idx = imgTypeMap->Item(type);
1163         GETLB(id)->SetItemImage(itemID, idx, idx);
1164     }
1165 }
1166
1167 void ListBoxImpl::SetList(const char* list, char separator, char typesep) {
1168     GETLB(id)->Freeze();
1169     Clear();
1170     wxStringTokenizer tkzr(stc2wx(list), (wxChar)separator);
1171     while ( tkzr.HasMoreTokens() ) {
1172         wxString token = tkzr.GetNextToken();
1173         long type = -1;
1174         int pos = token.Find(typesep);
1175         if (pos != -1) {
1176             token.Mid(pos+1).ToLong(&type);
1177             token.Truncate(pos);
1178         }
1179         Append(token, (int)type);
1180     }
1181     GETLB(id)->Thaw();
1182 }
1183
1184
1185 int ListBoxImpl::Length() {
1186     return GETLB(id)->GetItemCount();
1187 }
1188
1189
1190 void ListBoxImpl::Select(int n) {
1191     bool select = true;
1192     if (n == -1) {
1193         n = 0;
1194         select = false;
1195     }
1196     GETLB(id)->Focus(n);
1197     GETLB(id)->Select(n, select);
1198 }
1199
1200
1201 int ListBoxImpl::GetSelection() {
1202     return GETLB(id)->GetFirstSelected();
1203 }
1204
1205
1206 int ListBoxImpl::Find(const char *WXUNUSED(prefix)) {
1207     // No longer used
1208     return wxNOT_FOUND;
1209 }
1210
1211
1212 void ListBoxImpl::GetValue(int n, char *value, int len) {
1213     wxListItem item;
1214     item.SetId(n);
1215     item.SetColumn(1);
1216     item.SetMask(wxLIST_MASK_TEXT);
1217     GETLB(id)->GetItem(item);
1218     strncpy(value, wx2stc(item.GetText()), len);
1219     value[len-1] = '\0';
1220 }
1221
1222
1223 void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
1224     wxMemoryInputStream stream(xpm_data, strlen(xpm_data)+1);
1225     wxImage img(stream, wxBITMAP_TYPE_XPM);
1226     wxBitmap bmp(img);
1227
1228     if (! imgList) {
1229         // assumes all images are the same size
1230         imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), true);
1231         imgTypeMap = new wxArrayInt;
1232     }
1233
1234     int idx = imgList->Add(bmp);
1235
1236     // do we need to extend the mapping array?
1237     wxArrayInt& itm = *imgTypeMap;
1238     if ( itm.GetCount() < (size_t)type+1)
1239         itm.Add(-1, type - itm.GetCount() + 1);
1240
1241     // Add an item that maps type to the image index
1242     itm[type] = idx;
1243 }
1244
1245 void ListBoxImpl::ClearRegisteredImages() {
1246     if (imgList) {
1247         delete imgList;
1248         imgList = NULL;
1249     }
1250     if (imgTypeMap) {
1251         delete imgTypeMap;
1252         imgTypeMap = NULL;
1253     }
1254     if (id)
1255         GETLB(id)->SetImageList(NULL, wxIMAGE_LIST_SMALL);
1256 }
1257
1258
1259 void ListBoxImpl::SetDoubleClickAction(CallBackAction action, void *data) {
1260     GETLBW(id)->SetDoubleClickAction(action, data);
1261 }
1262
1263
1264 ListBox::ListBox() {
1265 }
1266
1267 ListBox::~ListBox() {
1268 }
1269
1270 ListBox *ListBox::Allocate() {
1271     return new ListBoxImpl();
1272 }
1273
1274 //----------------------------------------------------------------------
1275
1276 Menu::Menu() : id(0) {
1277 }
1278
1279 void Menu::CreatePopUp() {
1280     Destroy();
1281     id = new wxMenu();
1282 }
1283
1284 void Menu::Destroy() {
1285     if (id)
1286         delete (wxMenu*)id;
1287     id = 0;
1288 }
1289
1290 void Menu::Show(Point pt, Window &w) {
1291     GETWIN(w.GetID())->PopupMenu((wxMenu*)id, pt.x - 4, pt.y);
1292     Destroy();
1293 }
1294
1295 //----------------------------------------------------------------------
1296
1297 DynamicLibrary *DynamicLibrary::Load(const char *WXUNUSED(modulePath)) {
1298     wxFAIL_MSG(wxT("Dynamic lexer loading not implemented yet"));
1299     return NULL;
1300 }
1301
1302 //----------------------------------------------------------------------
1303
1304 ColourDesired Platform::Chrome() {
1305     wxColour c;
1306     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
1307     return ColourDesired(c.Red(), c.Green(), c.Blue());
1308 }
1309
1310 ColourDesired Platform::ChromeHighlight() {
1311     wxColour c;
1312     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT);
1313     return ColourDesired(c.Red(), c.Green(), c.Blue());
1314 }
1315
1316 const char *Platform::DefaultFont() {
1317     static char buf[128];
1318     strcpy(buf, wxNORMAL_FONT->GetFaceName().mbc_str());
1319     return buf;
1320 }
1321
1322 int Platform::DefaultFontSize() {
1323     return wxNORMAL_FONT->GetPointSize();
1324 }
1325
1326 unsigned int Platform::DoubleClickTime() {
1327     return 500;   // **** ::GetDoubleClickTime();
1328 }
1329
1330 bool Platform::MouseButtonBounce() {
1331     return false;
1332 }
1333
1334 bool Platform::IsKeyDown(int WXUNUSED(key)) {
1335     return false;  // I don't think we'll need this.
1336 }
1337
1338 long Platform::SendScintilla(WindowID w,
1339                              unsigned int msg,
1340                              unsigned long wParam,
1341                              long lParam) {
1342
1343     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1344     return stc->SendMsg(msg, wParam, lParam);
1345 }
1346
1347 long Platform::SendScintillaPointer(WindowID w,
1348                                     unsigned int msg,
1349                                     unsigned long wParam,
1350                                     void *lParam) {
1351
1352     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1353     return stc->SendMsg(msg, wParam, (long)lParam);
1354 }
1355
1356
1357 // These are utility functions not really tied to a platform
1358
1359 int Platform::Minimum(int a, int b) {
1360     if (a < b)
1361         return a;
1362     else
1363         return b;
1364 }
1365
1366 int Platform::Maximum(int a, int b) {
1367     if (a > b)
1368         return a;
1369     else
1370         return b;
1371 }
1372
1373 //#define TRACE
1374
1375 void Platform::DebugDisplay(const char *s) {
1376 #ifdef TRACE
1377     wxLogDebug(stc2wx(s));
1378 #else
1379     wxUnusedVar(s);
1380 #endif
1381 }
1382
1383 void Platform::DebugPrintf(const char *format, ...) {
1384 #ifdef TRACE
1385     char buffer[2000];
1386     va_list pArguments;
1387     va_start(pArguments, format);
1388     vsprintf(buffer,format,pArguments);
1389     va_end(pArguments);
1390     Platform::DebugDisplay(buffer);
1391 #endif
1392 }
1393
1394
1395 static bool assertionPopUps = true;
1396
1397 bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
1398     bool ret = assertionPopUps;
1399     assertionPopUps = assertionPopUps_;
1400     return ret;
1401 }
1402
1403 void Platform::Assert(const char *c, const char *file, int line) {
1404 #ifdef TRACE
1405     char buffer[2000];
1406     sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
1407     if (assertionPopUps) {
1408         /*int idButton = */
1409         wxMessageBox(stc2wx(buffer),
1410                      wxT("Assertion failure"),
1411                      wxICON_HAND | wxOK);
1412     } else {
1413         strcat(buffer, "\r\n");
1414         Platform::DebugDisplay(buffer);
1415         abort();
1416     }
1417 #else
1418     wxUnusedVar(c);
1419     wxUnusedVar(file);
1420     wxUnusedVar(line);
1421 #endif
1422 }
1423
1424
1425 int Platform::Clamp(int val, int minVal, int maxVal) {
1426     if (val > maxVal)
1427         val = maxVal;
1428     if (val < minVal)
1429         val = minVal;
1430     return val;
1431 }
1432
1433
1434 bool Platform::IsDBCSLeadByte(int WXUNUSED(codePage), char WXUNUSED(ch)) {
1435     return false;
1436 }
1437
1438 int Platform::DBCSCharLength(int WXUNUSED(codePage), const char *WXUNUSED(s)) {
1439     return 1;
1440 }
1441
1442 int Platform::DBCSCharMaxLength() {
1443     return 1;
1444 }
1445
1446
1447 //----------------------------------------------------------------------
1448
1449 ElapsedTime::ElapsedTime() {
1450     wxLongLong localTime = wxGetLocalTimeMillis();
1451     littleBit = localTime.GetLo();
1452     bigBit = localTime.GetHi();
1453 }
1454
1455 double ElapsedTime::Duration(bool reset) {
1456     wxLongLong prevTime(bigBit, littleBit);
1457     wxLongLong localTime = wxGetLocalTimeMillis();
1458     if(reset) {
1459         littleBit = localTime.GetLo();
1460         bigBit = localTime.GetHi();
1461     }
1462     wxLongLong duration = localTime - prevTime;
1463     double result = duration.ToDouble();
1464     result /= 1000.0;
1465     return result;
1466 }
1467
1468
1469 //----------------------------------------------------------------------
1470
1471 #if wxUSE_UNICODE
1472
1473 #include "UniConversion.h"
1474
1475 // Convert using Scintilla's functions instead of wx's, Scintilla's are more
1476 // forgiving and won't assert...
1477
1478 wxString stc2wx(const char* str, size_t len)
1479 {
1480     if (!len)
1481         return wxEmptyString;
1482
1483     size_t wclen = UCS2Length(str, len);
1484     wxWCharBuffer buffer(wclen+1);
1485
1486     size_t actualLen = UCS2FromUTF8(str, len, buffer.data(), wclen+1);
1487     return wxString(buffer.data(), actualLen);
1488 }
1489
1490
1491
1492 wxString stc2wx(const char* str)
1493 {
1494     return stc2wx(str, strlen(str));
1495 }
1496
1497
1498 const wxWX2MBbuf wx2stc(const wxString& str)
1499 {
1500     const wchar_t* wcstr = str.c_str();
1501     size_t wclen         = str.length();
1502     size_t len           = UTF8Length(wcstr, wclen);
1503
1504     wxCharBuffer buffer(len+1);
1505     UTF8FromUCS2(wcstr, wclen, buffer.data(), len);
1506
1507     // TODO check NULL termination!!
1508
1509     return buffer;
1510 }
1511
1512 #endif