contrib/src/stc/PlatWX.cpp

   1 // Scintilla source code edit control
   2 // PlatWX.cxx - implementation of platform facilities on wxWidgets
   3 // Copyright 1998-1999 by Neil Hodgson <neilh@scintilla.org>
   4 //                        Robin Dunn <robin@aldunn.com>
   5 // The License.txt file describes the conditions under which this software may be distributed.
   6
   7 #include <ctype.h>
   8
   9 #include <wx/wx.h>
  10 #include <wx/encconv.h>
  11 #include <wx/listctrl.h>
  12 #include <wx/mstream.h>
  13 #include <wx/image.h>
  14 #include <wx/imaglist.h>
  15
  16 #include "Platform.h"
  17 #include "PlatWX.h"
  18 #include "wx/stc/stc.h"
  19
  20
  21
  22 Point Point::FromLong(long lpoint) {
  23     return Point(lpoint & 0xFFFF, lpoint >> 16);
  24 }
  25
  26 wxRect wxRectFromPRectangle(PRectangle prc) {
  27     wxRect r(prc.left, prc.top,
  28              prc.Width(), prc.Height());
  29     return r;
  30 }
  31
  32 PRectangle PRectangleFromwxRect(wxRect rc) {
  33     return PRectangle(rc.GetLeft(), rc.GetTop(),
  34                       rc.GetRight()+1, rc.GetBottom()+1);
  35 }
  36
  37 wxColour wxColourFromCA(const ColourAllocated& ca) {
  38     ColourDesired cd(ca.AsLong());
  39     return wxColour((unsigned char)cd.GetRed(),
  40                     (unsigned char)cd.GetGreen(),
  41                     (unsigned char)cd.GetBlue());
  42 }
  43
  44 //----------------------------------------------------------------------
  45
  46 Palette::Palette() {
  47     used = 0;
  48     allowRealization = false;
  49 }
  50
  51 Palette::~Palette() {
  52     Release();
  53 }
  54
  55 void Palette::Release() {
  56     used = 0;
  57 }
  58
  59 // This method either adds a colour to the list of wanted colours (want==true)
  60 // or retrieves the allocated colour back to the ColourPair.
  61 // This is one method to make it easier to keep the code for wanting and retrieving in sync.
  62 void Palette::WantFind(ColourPair &cp, bool want) {
  63     if (want) {
  64         for (int i=0; i < used; i++) {
  65             if (entries[i].desired == cp.desired)
  66                 return;
  67         }
  68
  69         if (used < numEntries) {
  70             entries[used].desired = cp.desired;
  71             entries[used].allocated.Set(cp.desired.AsLong());
  72             used++;
  73         }
  74     } else {
  75         for (int i=0; i < used; i++) {
  76             if (entries[i].desired == cp.desired) {
  77                 cp.allocated = entries[i].allocated;
  78                 return;
  79             }
  80         }
  81         cp.allocated.Set(cp.desired.AsLong());
  82     }
  83 }
  84
  85 void Palette::Allocate(Window &) {
  86     if (allowRealization) {
  87     }
  88 }
  89
  90
  91 //----------------------------------------------------------------------
  92
  93 Font::Font() {
  94     id = 0;
  95     ascent = 0;
  96 }
  97
  98 Font::~Font() {
  99 }
 100
 101 void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic, bool extraFontFlag) {
 102
 103     Release();
 104
 105     // The minus one is done because since Scintilla uses SC_SHARSET_DEFAULT
 106     // internally and we need to have wxFONENCODING_DEFAULT == SC_SHARSET_DEFAULT
 107     // so we adjust the encoding before passing it to Scintilla.  See also
 108     // wxStyledTextCtrl::StyleSetCharacterSet
 109     wxFontEncoding encoding = (wxFontEncoding)(characterSet-1);
 110
 111     wxFontEncodingArray ea = wxEncodingConverter::GetPlatformEquivalents(encoding);
 112     if (ea.GetCount())
 113         encoding = ea[0];
 114
 115     wxFont* font = new wxFont(size,
 116                     wxDEFAULT,
 117                     italic ? wxITALIC :  wxNORMAL,
 118                     bold ? wxBOLD : wxNORMAL,
 119                     false,
 120                     stc2wx(faceName),
 121                     encoding);
 122     font->SetNoAntiAliasing(!extraFontFlag);
 123     id = font;
 124 }
 125
 126
 127 void Font::Release() {
 128     if (id)
 129         delete (wxFont*)id;
 130     id = 0;
 131 }
 132
 133 //----------------------------------------------------------------------
 134
 135 class SurfaceImpl : public Surface {
 136 private:
 137     wxDC*       hdc;
 138     bool        hdcOwned;
 139     wxBitmap*   bitmap;
 140     int         x;
 141     int         y;
 142     bool        unicodeMode;
 143
 144 public:
 145     SurfaceImpl();
 146     ~SurfaceImpl();
 147
 148     virtual void Init(WindowID wid);
 149     virtual void Init(SurfaceID sid, WindowID wid);
 150     virtual void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
 151
 152     virtual void Release();
 153     virtual bool Initialised();
 154     virtual void PenColour(ColourAllocated fore);
 155     virtual int LogPixelsY();
 156     virtual int DeviceHeightFont(int points);
 157     virtual void MoveTo(int x_, int y_);
 158     virtual void LineTo(int x_, int y_);
 159     virtual void Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back);
 160     virtual void RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 161     virtual void FillRectangle(PRectangle rc, ColourAllocated back);
 162     virtual void FillRectangle(PRectangle rc, Surface &surfacePattern);
 163     virtual void RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 164     virtual void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back);
 165     virtual void Copy(PRectangle rc, Point from, Surface &surfaceSource);
 166
 167     virtual void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 168     virtual void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back);
 169     virtual void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore);
 170     virtual void MeasureWidths(Font &font_, const char *s, int len, int *positions);
 171     virtual int WidthText(Font &font_, const char *s, int len);
 172     virtual int WidthChar(Font &font_, char ch);
 173     virtual int Ascent(Font &font_);
 174     virtual int Descent(Font &font_);
 175     virtual int InternalLeading(Font &font_);
 176     virtual int ExternalLeading(Font &font_);
 177     virtual int Height(Font &font_);
 178     virtual int AverageCharWidth(Font &font_);
 179
 180     virtual int SetPalette(Palette *pal, bool inBackGround);
 181     virtual void SetClip(PRectangle rc);
 182     virtual void FlushCachedState();
 183
 184     virtual void SetUnicodeMode(bool unicodeMode_);
 185     virtual void SetDBCSMode(int codePage);
 186
 187     void BrushColour(ColourAllocated back);
 188     void SetFont(Font &font_);
 189 };
 190
 191
 192
 193 SurfaceImpl::SurfaceImpl() :
 194     hdc(0), hdcOwned(0), bitmap(0),
 195     x(0), y(0), unicodeMode(0)
 196 {}
 197
 198 SurfaceImpl::~SurfaceImpl() {
 199     Release();
 200 }
 201
 202 void SurfaceImpl::Init(WindowID wid) {
 203 #if 0
 204     Release();
 205     hdc = new wxMemoryDC();
 206     hdcOwned = true;
 207 #else
 208     // On Mac and GTK the DC is not really valid until it has a bitmap
 209     // selected into it.  So instead of just creating the DC with no bitmap,
 210     // go ahead and give it one.
 211     InitPixMap(1,1,NULL,wid);
 212 #endif
 213 }
 214
 215 void SurfaceImpl::Init(SurfaceID hdc_, WindowID) {
 216     Release();
 217     hdc = (wxDC*)hdc_;
 218 }
 219
 220 void SurfaceImpl::InitPixMap(int width, int height, Surface *WXUNUSED(surface_), WindowID) {
 221     Release();
 222     hdc = new wxMemoryDC();
 223     hdcOwned = true;
 224     if (width < 1) width = 1;
 225     if (height < 1) height = 1;
 226     bitmap = new wxBitmap(width, height);
 227     ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
 228 }
 229
 230
 231 void SurfaceImpl::Release() {
 232     if (bitmap) {
 233         ((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
 234         delete bitmap;
 235         bitmap = 0;
 236     }
 237     if (hdcOwned) {
 238         delete hdc;
 239         hdc = 0;
 240         hdcOwned = false;
 241     }
 242 }
 243
 244
 245 bool SurfaceImpl::Initialised() {
 246     return hdc != 0;
 247 }
 248
 249
 250 void SurfaceImpl::PenColour(ColourAllocated fore) {
 251     hdc->SetPen(wxPen(wxColourFromCA(fore), 1, wxSOLID));
 252 }
 253
 254 void SurfaceImpl::BrushColour(ColourAllocated back) {
 255     hdc->SetBrush(wxBrush(wxColourFromCA(back), wxSOLID));
 256 }
 257
 258 void SurfaceImpl::SetFont(Font &font_) {
 259   if (font_.GetID()) {
 260       hdc->SetFont(*((wxFont*)font_.GetID()));
 261     }
 262 }
 263
 264 int SurfaceImpl::LogPixelsY() {
 265     return hdc->GetPPI().y;
 266 }
 267
 268 int SurfaceImpl::DeviceHeightFont(int points) {
 269     return points;
 270 }
 271
 272 void SurfaceImpl::MoveTo(int x_, int y_) {
 273     x = x_;
 274     y = y_;
 275 }
 276
 277 void SurfaceImpl::LineTo(int x_, int y_) {
 278     hdc->DrawLine(x,y, x_,y_);
 279     x = x_;
 280     y = y_;
 281 }
 282
 283 void SurfaceImpl::Polygon(Point *pts, int npts, ColourAllocated fore, ColourAllocated back) {
 284     PenColour(fore);
 285     BrushColour(back);
 286     hdc->DrawPolygon(npts, (wxPoint*)pts);
 287 }
 288
 289 void SurfaceImpl::RectangleDraw(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 290     PenColour(fore);
 291     BrushColour(back);
 292     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 293 }
 294
 295 void SurfaceImpl::FillRectangle(PRectangle rc, ColourAllocated back) {
 296     BrushColour(back);
 297     hdc->SetPen(*wxTRANSPARENT_PEN);
 298     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 299 }
 300
 301 void SurfaceImpl::FillRectangle(PRectangle rc, Surface &surfacePattern) {
 302     wxBrush br;
 303     if (((SurfaceImpl&)surfacePattern).bitmap)
 304         br = wxBrush(*((SurfaceImpl&)surfacePattern).bitmap);
 305     else    // Something is wrong so display in red
 306         br = wxBrush(*wxRED, wxSOLID);
 307     hdc->SetPen(*wxTRANSPARENT_PEN);
 308     hdc->SetBrush(br);
 309     hdc->DrawRectangle(wxRectFromPRectangle(rc));
 310 }
 311
 312 void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 313     PenColour(fore);
 314     BrushColour(back);
 315     hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
 316 }
 317
 318 void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back) {
 319     PenColour(fore);
 320     BrushColour(back);
 321     hdc->DrawEllipse(wxRectFromPRectangle(rc));
 322 }
 323
 324 void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
 325     wxRect r = wxRectFromPRectangle(rc);
 326     hdc->Blit(r.x, r.y, r.width, r.height,
 327               ((SurfaceImpl&)surfaceSource).hdc,
 328               from.x, from.y, wxCOPY);
 329 }
 330
 331 void SurfaceImpl::DrawTextNoClip(PRectangle rc, Font &font, int ybase,
 332                                  const char *s, int len,
 333                                  ColourAllocated fore, ColourAllocated back) {
 334     SetFont(font);
 335     hdc->SetTextForeground(wxColourFromCA(fore));
 336     hdc->SetTextBackground(wxColourFromCA(back));
 337     FillRectangle(rc, back);
 338
 339     // ybase is where the baseline should be, but wxWin uses the upper left
 340     // corner, so I need to calculate the real position for the text...
 341     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 342 }
 343
 344 void SurfaceImpl::DrawTextClipped(PRectangle rc, Font &font, int ybase,
 345                                   const char *s, int len,
 346                                   ColourAllocated fore, ColourAllocated back) {
 347     SetFont(font);
 348     hdc->SetTextForeground(wxColourFromCA(fore));
 349     hdc->SetTextBackground(wxColourFromCA(back));
 350     FillRectangle(rc, back);
 351     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 352
 353     // see comments above
 354     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 355     hdc->DestroyClippingRegion();
 356 }
 357
 358
 359 void SurfaceImpl::DrawTextTransparent(PRectangle rc, Font &font, int ybase,
 360                                       const char *s, int len,
 361                                       ColourAllocated fore) {
 362
 363     SetFont(font);
 364     hdc->SetTextForeground(wxColourFromCA(fore));
 365     hdc->SetBackgroundMode(wxTRANSPARENT);
 366
 367     // ybase is where the baseline should be, but wxWin uses the upper left
 368     // corner, so I need to calculate the real position for the text...
 369     hdc->DrawText(stc2wx(s, len), rc.left, ybase - font.ascent);
 370
 371     hdc->SetBackgroundMode(wxSOLID);
 372 }
 373
 374
 375 void SurfaceImpl::MeasureWidths(Font &font, const char *s, int len, int *positions) {
 376
 377     wxString   str = stc2wx(s, len);
 378     wxArrayInt tpos;
 379
 380     SetFont(font);
 381
 382     hdc->GetPartialTextExtents(str, tpos);
 383
 384 #if wxUSE_UNICODE
 385     // Map the widths for UCS-2 characters back to the UTF-8 input string
 386     // NOTE:  I don't think this is right for when sizeof(wxChar) > 2, ie wxGTK2
 387     // so figure it out and fix it!
 388     size_t i = 0;
 389     size_t ui = 0;
 390     while ((int)i < len) {
 391         unsigned char uch = (unsigned char)s[i];
 392         positions[i++] = tpos[ui];
 393         if (uch >= 0x80) {
 394             if (uch < (0x80 + 0x40 + 0x20)) {
 395                 positions[i++] = tpos[ui];
 396             } else {
 397                 positions[i++] = tpos[ui];
 398                 positions[i++] = tpos[ui];
 399             }
 400         }
 401         ui++;
 402     }
 403 #else
 404
 405     // If not unicode then just use the widths we have
 406 #if wxUSE_STL
 407     std::copy(tpos.begin(), tpos.end(), positions);
 408 #else
 409     memcpy(positions, tpos.begin(), len * sizeof(int));
 410 #endif
 411 #endif
 412 }
 413
 414
 415 int SurfaceImpl::WidthText(Font &font, const char *s, int len) {
 416     SetFont(font);
 417     int w;
 418     int h;
 419
 420     hdc->GetTextExtent(stc2wx(s, len), &w, &h);
 421     return w;
 422 }
 423
 424
 425 int SurfaceImpl::WidthChar(Font &font, char ch) {
 426     SetFont(font);
 427     int w;
 428     int h;
 429     char s[2] = { ch, 0 };
 430
 431     hdc->GetTextExtent(stc2wx(s, 1), &w, &h);
 432     return w;
 433 }
 434
 435 #define EXTENT_TEST wxT(" `~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 436
 437 int SurfaceImpl::Ascent(Font &font) {
 438     SetFont(font);
 439     int w, h, d, e;
 440     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 441     font.ascent = h - d;
 442     return font.ascent;
 443 }
 444
 445 int SurfaceImpl::Descent(Font &font) {
 446     SetFont(font);
 447     int w, h, d, e;
 448     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 449     return d;
 450 }
 451
 452 int SurfaceImpl::InternalLeading(Font &WXUNUSED(font)) {
 453     return 0;
 454 }
 455
 456 int SurfaceImpl::ExternalLeading(Font &font) {
 457     SetFont(font);
 458     int w, h, d, e;
 459     hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
 460     return e;
 461 }
 462
 463 int SurfaceImpl::Height(Font &font) {
 464     SetFont(font);
 465     return hdc->GetCharHeight() + 1;
 466 }
 467
 468 int SurfaceImpl::AverageCharWidth(Font &font) {
 469     SetFont(font);
 470     return hdc->GetCharWidth();
 471 }
 472
 473 int SurfaceImpl::SetPalette(Palette *WXUNUSED(pal), bool WXUNUSED(inBackGround)) {
 474     return 0;
 475 }
 476
 477 void SurfaceImpl::SetClip(PRectangle rc) {
 478     hdc->SetClippingRegion(wxRectFromPRectangle(rc));
 479 }
 480
 481 void SurfaceImpl::FlushCachedState() {
 482 }
 483
 484 void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
 485     unicodeMode=unicodeMode_;
 486 }
 487
 488 void SurfaceImpl::SetDBCSMode(int WXUNUSED(codePage)) {
 489     // dbcsMode = codePage == SC_CP_DBCS;
 490 }
 491
 492
 493 Surface *Surface::Allocate() {
 494     return new SurfaceImpl;
 495 }
 496
 497
 498 //----------------------------------------------------------------------
 499
 500
 501 inline wxWindow* GETWIN(WindowID id) { return (wxWindow*)id; }
 502
 503 Window::~Window() {
 504 }
 505
 506 void Window::Destroy() {
 507     if (id) {
 508         Show(false);
 509         GETWIN(id)->Destroy();
 510     }
 511     id = 0;
 512 }
 513
 514 bool Window::HasFocus() {
 515     return wxWindow::FindFocus() == GETWIN(id);
 516 }
 517
 518 PRectangle Window::GetPosition() {
 519     if (! id) return PRectangle();
 520     wxRect rc(GETWIN(id)->GetPosition(), GETWIN(id)->GetSize());
 521     return PRectangleFromwxRect(rc);
 522 }
 523
 524 void Window::SetPosition(PRectangle rc) {
 525     wxRect r = wxRectFromPRectangle(rc);
 526     GETWIN(id)->SetSize(r);
 527 }
 528
 529 void Window::SetPositionRelative(PRectangle rc, Window) {
 530     SetPosition(rc);  // ????
 531 }
 532
 533 PRectangle Window::GetClientPosition() {
 534     if (! id) return PRectangle();
 535     wxSize sz = GETWIN(id)->GetClientSize();
 536     return  PRectangle(0, 0, sz.x, sz.y);
 537 }
 538
 539 void Window::Show(bool show) {
 540     GETWIN(id)->Show(show);
 541 }
 542
 543 void Window::InvalidateAll() {
 544     GETWIN(id)->Refresh(false);
 545     wxWakeUpIdle();
 546 }
 547
 548 void Window::InvalidateRectangle(PRectangle rc) {
 549     wxRect r = wxRectFromPRectangle(rc);
 550     GETWIN(id)->Refresh(false, &r);
 551     wxWakeUpIdle();
 552 }
 553
 554 void Window::SetFont(Font &font) {
 555     GETWIN(id)->SetFont(*((wxFont*)font.GetID()));
 556 }
 557
 558 void Window::SetCursor(Cursor curs) {
 559     int cursorId;
 560
 561     switch (curs) {
 562     case cursorText:
 563         cursorId = wxCURSOR_IBEAM;
 564         break;
 565     case cursorArrow:
 566         cursorId = wxCURSOR_ARROW;
 567         break;
 568     case cursorUp:
 569         cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
 570         break;
 571     case cursorWait:
 572         cursorId = wxCURSOR_WAIT;
 573         break;
 574     case cursorHoriz:
 575         cursorId = wxCURSOR_SIZEWE;
 576         break;
 577     case cursorVert:
 578         cursorId = wxCURSOR_SIZENS;
 579         break;
 580     case cursorReverseArrow:
 581         cursorId = wxCURSOR_RIGHT_ARROW;
 582         break;
 583     case cursorHand:
 584         cursorId = wxCURSOR_HAND;
 585         break;
 586     default:
 587         cursorId = wxCURSOR_ARROW;
 588         break;
 589     }
 590 #ifdef __WXMOTIF__
 591        wxCursor wc = wxStockCursor(cursorId) ;
 592 #else
 593        wxCursor wc = wxCursor(cursorId) ;
 594 #endif
 595        if(curs != cursorLast)
 596        {
 597            GETWIN(id)->SetCursor(wc);
 598            cursorLast = curs;
 599        }
 600 }
 601
 602
 603 void Window::SetTitle(const char *s) {
 604     GETWIN(id)->SetTitle(stc2wx(s));
 605 }
 606
 607
 608 //----------------------------------------------------------------------
 609 // Helper classes for ListBox
 610
 611
 612 // This is a simple subclass of wxListView that just resets focus to the
 613 // parent when it gets it.
 614 class wxSTCListBox : public wxListView {
 615 public:
 616     wxSTCListBox(wxWindow* parent, wxWindowID id,
 617                  const wxPoint& pos, const wxSize& size,
 618                  long style)
 619         : wxListView()
 620     {
 621 #ifdef __WXMSW__
 622         Hide(); // don't flicker as we move it around...
 623 #endif
 624         Create(parent, id, pos, size, style);
 625     }
 626
 627
 628     void OnFocus(wxFocusEvent& event) {
 629         GetParent()->SetFocus();
 630         event.Skip();
 631     }
 632
 633     void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
 634         // Do nothing.  Prevents base class from resetting the colors...
 635     }
 636
 637 #ifdef __WXMAC__
 638     // For some reason I don't understand yet the focus doesn't really leave
 639     // the listbox like it should, so if we get any events feed them back to
 640     // the wxSTC
 641     void OnKeyDown(wxKeyEvent& event) {
 642         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 643     }
 644     void OnChar(wxKeyEvent& event) {
 645         GetGrandParent()->GetEventHandler()->ProcessEvent(event);
 646     }
 647
 648     // And we need to force the focus back when being destroyed
 649     ~wxSTCListBox() {
 650         GetGrandParent()->SetFocus();
 651     }
 652 #endif
 653
 654 private:
 655     DECLARE_EVENT_TABLE()
 656 };
 657
 658 BEGIN_EVENT_TABLE(wxSTCListBox, wxListView)
 659     EVT_SET_FOCUS( wxSTCListBox::OnFocus)
 660     EVT_KILL_FOCUS(wxSTCListBox::OnKillFocus)
 661 #ifdef __WXMAC__
 662     EVT_KEY_DOWN(  wxSTCListBox::OnKeyDown)
 663     EVT_CHAR(      wxSTCListBox::OnChar)
 664 #endif
 665 END_EVENT_TABLE()
 666
 667
 668
 669 #if wxUSE_POPUPWIN //-----------------------------------
 670 #include <wx/popupwin.h>
 671
 672
 673 //
 674 // TODO: Refactor these two classes to have a common base (or a mix-in) to get
 675 // rid of the code duplication.  (Either that or convince somebody to
 676 // implement wxPopupWindow for the Mac!!)
 677 //
 678 // In the meantime, be careful to duplicate any changes as needed...
 679 //
 680
 681 // A popup window to place the wxSTCListBox upon
 682 class wxSTCListBoxWin : public wxPopupWindow
 683 {
 684 private:
 685     wxListView*         lv;
 686     CallBackAction      doubleClickAction;
 687     void*               doubleClickActionData;
 688 public:
 689     wxSTCListBoxWin(wxWindow* parent, wxWindowID id) :
 690         wxPopupWindow(parent, wxBORDER_NONE)
 691     {
 692         SetBackgroundColour(*wxBLACK);  // for our simple border
 693
 694         lv = new wxSTCListBox(parent, id, wxDefaultPosition, wxDefaultSize,
 695                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxBORDER_NONE);
 696         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 697         lv->InsertColumn(0, wxEmptyString);
 698         lv->InsertColumn(1, wxEmptyString);
 699
 700         // NOTE: We need to fool the wxListView into thinking that it has the
 701         // focus so it will use the normal selection colour and will look
 702         // "right" to the user.  But since the wxPopupWindow or its children
 703         // can't receive focus then we have to pull a fast one and temporarily
 704         // parent the listctrl on the STC window and then call SetFocus and
 705         // then reparent it back to the popup.
 706         lv->SetFocus();
 707         lv->Reparent(this);
 708 #ifdef __WXMSW__
 709         lv->Show();
 710 #endif
 711     }
 712
 713
 714     // Set position in client coords
 715     virtual void DoSetSize(int x, int y,
 716                            int width, int height,
 717                            int sizeFlags = wxSIZE_AUTO) {
 718         if (x != wxDefaultCoord) {
 719             GetParent()->ClientToScreen(&x, NULL);
 720         }
 721         if (y != wxDefaultCoord) {
 722             GetParent()->ClientToScreen(NULL, &y);
 723         }
 724         wxPopupWindow::DoSetSize(x, y, width, height, sizeFlags);
 725     }
 726
 727     // return position as if it were in client coords
 728     virtual void DoGetPosition( int *x, int *y ) const {
 729         int sx, sy;
 730         wxPopupWindow::DoGetPosition(&sx, &sy);
 731         GetParent()->ScreenToClient(&sx, &sy);
 732         if (x) *x = sx;
 733         if (y) *y = sy;
 734     }
 735
 736
 737     bool Destroy() {
 738         if ( !wxPendingDelete.Member(this) )
 739             wxPendingDelete.Append(this);
 740         return true;
 741     }
 742
 743
 744     int IconWidth() {
 745         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 746         if (il != NULL) {
 747             int w, h;
 748             il->GetSize(0, w, h);
 749             return w;
 750         }
 751         return 0;
 752     }
 753
 754
 755     void SetDoubleClickAction(CallBackAction action, void *data) {
 756         doubleClickAction = action;
 757         doubleClickActionData = data;
 758     }
 759
 760
 761     void OnFocus(wxFocusEvent& event) {
 762         GetParent()->SetFocus();
 763         event.Skip();
 764     }
 765
 766     void OnSize(wxSizeEvent& event) {
 767         // resize the child
 768         wxSize sz = GetSize();
 769         sz.x -= 2;
 770         sz.y -= 2;
 771         lv->SetSize(1, 1, sz.x, sz.y);
 772         // reset the column widths
 773         lv->SetColumnWidth(0, IconWidth()+4);
 774         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
 775                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 776         event.Skip();
 777     }
 778
 779     void OnActivate(wxListEvent& WXUNUSED(event)) {
 780         doubleClickAction(doubleClickActionData);
 781     }
 782
 783     wxListView* GetLB() { return lv; }
 784
 785 private:
 786     DECLARE_EVENT_TABLE()
 787
 788 };
 789
 790 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxPopupWindow)
 791     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
 792     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
 793     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
 794 END_EVENT_TABLE()
 795
 796
 797
 798 #else // wxUSE_POPUPWIN -----------------------------------
 799
 800 // A normal window to place the wxSTCListBox upon.
 801 class wxSTCListBoxWin : public wxWindow {
 802 private:
 803     wxListView*         lv;
 804     CallBackAction      doubleClickAction;
 805     void*               doubleClickActionData;
 806 public:
 807     wxSTCListBoxWin(wxWindow* parent, wxWindowID id) :
 808         wxWindow(parent, id, wxDefaultPosition, wxSize(0,0), wxSIMPLE_BORDER )
 809     {
 810
 811         lv = new wxSTCListBox(this, id, wxDefaultPosition, wxDefaultSize,
 812                               wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxNO_BORDER);
 813         lv->SetCursor(wxCursor(wxCURSOR_ARROW));
 814         lv->InsertColumn(0, wxEmptyString);
 815         lv->InsertColumn(1, wxEmptyString);
 816
 817         // Eventhough we immediately reset the focus to the parent, this helps
 818         // things to look right...
 819         lv->SetFocus();
 820
 821         Hide();
 822     }
 823
 824
 825     // On OSX and (possibly others) there can still be pending
 826     // messages/events for the list control when Scintilla wants to
 827     // close it, so do a pending delete of it instead of destroying
 828     // immediately.
 829     bool Destroy() {
 830 #ifdef __WXMAC__
 831         // The bottom edge of this window is not getting properly
 832         // refreshed upon deletion, so help it out...
 833         wxWindow* p = GetParent();
 834         wxRect r(GetPosition(), GetSize());
 835         r.SetHeight(r.GetHeight()+1);
 836         p->Refresh(false, &r);
 837 #endif
 838         if ( !wxPendingDelete.Member(this) )
 839             wxPendingDelete.Append(this);
 840         return true;
 841     }
 842
 843
 844     int IconWidth() {
 845         wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
 846         if (il != NULL) {
 847             int w, h;
 848             il->GetSize(0, w, h);
 849             return w;
 850         }
 851         return 0;
 852     }
 853
 854
 855     void SetDoubleClickAction(CallBackAction action, void *data) {
 856         doubleClickAction = action;
 857         doubleClickActionData = data;
 858     }
 859
 860
 861     void OnFocus(wxFocusEvent& event) {
 862         GetParent()->SetFocus();
 863         event.Skip();
 864     }
 865
 866     void OnSize(wxSizeEvent& event) {
 867         // resize the child
 868         wxSize sz = GetClientSize();
 869         lv->SetSize(sz);
 870         // reset the column widths
 871         lv->SetColumnWidth(0, IconWidth()+4);
 872         lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
 873                            wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
 874         event.Skip();
 875     }
 876
 877 #ifdef __WXMAC__
 878     virtual bool Show(bool show = true) {
 879         bool rv = wxWindow::Show(show);
 880         GetParent()->Refresh(false);
 881         return rv;
 882     }
 883 #endif
 884
 885     void OnActivate(wxListEvent& WXUNUSED(event)) {
 886         doubleClickAction(doubleClickActionData);
 887     }
 888
 889     wxListView* GetLB() { return lv; }
 890
 891 private:
 892     DECLARE_EVENT_TABLE()
 893 };
 894
 895
 896 BEGIN_EVENT_TABLE(wxSTCListBoxWin, wxWindow)
 897     EVT_SET_FOCUS          (          wxSTCListBoxWin::OnFocus)
 898     EVT_SIZE               (          wxSTCListBoxWin::OnSize)
 899     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSTCListBoxWin::OnActivate)
 900 END_EVENT_TABLE()
 901
 902 #endif // wxUSE_POPUPWIN -----------------------------------
 903
 904
 905 inline wxSTCListBoxWin* GETLBW(WindowID win) {
 906     return ((wxSTCListBoxWin*)win);
 907 }
 908
 909 inline wxListView* GETLB(WindowID win) {
 910     return GETLBW(win)->GetLB();
 911 }
 912
 913 //----------------------------------------------------------------------
 914
 915 class ListBoxImpl : public ListBox {
 916 private:
 917     int                 lineHeight;
 918     bool                unicodeMode;
 919     int                 desiredVisibleRows;
 920     int                 aveCharWidth;
 921     int                 maxStrWidth;
 922     wxImageList*        imgList;
 923     wxArrayInt*         imgTypeMap;
 924
 925 public:
 926     ListBoxImpl();
 927     ~ListBoxImpl();
 928
 929     virtual void SetFont(Font &font);
 930     virtual void Create(Window &parent, int ctrlID, int lineHeight_, bool unicodeMode_);
 931     virtual void SetAverageCharWidth(int width);
 932     virtual void SetVisibleRows(int rows);
 933     virtual PRectangle GetDesiredRect();
 934     virtual int CaretFromEdge();
 935     virtual void Clear();
 936     virtual void Append(char *s, int type = -1);
 937     virtual int Length();
 938     virtual void Select(int n);
 939     virtual int GetSelection();
 940     virtual int Find(const char *prefix);
 941     virtual void GetValue(int n, char *value, int len);
 942     virtual void RegisterImage(int type, const char *xpm_data);
 943     virtual void ClearRegisteredImages();
 944     virtual void SetDoubleClickAction(CallBackAction, void *);
 945
 946 };
 947
 948
 949 ListBoxImpl::ListBoxImpl()
 950     : lineHeight(10), unicodeMode(false),
 951       desiredVisibleRows(5), aveCharWidth(8), maxStrWidth(0),
 952       imgList(NULL), imgTypeMap(NULL)
 953 {
 954 }
 955
 956 ListBoxImpl::~ListBoxImpl() {
 957     if (imgList) {
 958         delete imgList;
 959         imgList = NULL;
 960     }
 961     if (imgTypeMap) {
 962         delete imgTypeMap;
 963         imgTypeMap = NULL;
 964     }
 965 }
 966
 967
 968 void ListBoxImpl::SetFont(Font &font) {
 969     GETLB(id)->SetFont(*((wxFont*)font.GetID()));
 970 }
 971
 972
 973 void ListBoxImpl::Create(Window &parent, int ctrlID, int lineHeight_, bool unicodeMode_) {
 974     lineHeight =  lineHeight_;
 975     unicodeMode = unicodeMode_;
 976     maxStrWidth = 0;
 977     id = new wxSTCListBoxWin(GETWIN(parent.GetID()), ctrlID);
 978     if (imgList != NULL)
 979         GETLB(id)->SetImageList(imgList, wxIMAGE_LIST_SMALL);
 980 }
 981
 982
 983 void ListBoxImpl::SetAverageCharWidth(int width) {
 984     aveCharWidth = width;
 985 }
 986
 987
 988 void ListBoxImpl::SetVisibleRows(int rows) {
 989     desiredVisibleRows = rows;
 990 }
 991
 992
 993 PRectangle ListBoxImpl::GetDesiredRect() {
 994     // wxListCtrl doesn't have a DoGetBestSize, so instead we kept track of
 995     // the max size in Append and calculate it here...
 996     int maxw = maxStrWidth;
 997     int maxh ;
 998
 999     // give it a default if there are no lines, and/or add a bit more
1000     if (maxw == 0) maxw = 100;
1001     maxw += aveCharWidth * 3 +
1002             GETLBW(id)->IconWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
1003     if (maxw > 350)
1004         maxw = 350;
1005
1006     // estimate a desired height
1007     int count = GETLB(id)->GetItemCount();
1008     if (count) {
1009         wxRect rect;
1010         GETLB(id)->GetItemRect(0, rect);
1011         maxh = count * rect.GetHeight();
1012         if (maxh > 140)  // TODO:  Use desiredVisibleRows??
1013             maxh = 140;
1014
1015         // Try to make the size an exact multiple of some number of lines
1016         int lines = maxh / rect.GetHeight();
1017         maxh = (lines + 1) * rect.GetHeight() + 2;
1018     }
1019     else
1020         maxh = 100;
1021
1022     PRectangle rc;
1023     rc.top = 0;
1024     rc.left = 0;
1025     rc.right = maxw;
1026     rc.bottom = maxh;
1027     return rc;
1028 }
1029
1030
1031 int ListBoxImpl::CaretFromEdge() {
1032     return 4 + GETLBW(id)->IconWidth();
1033 }
1034
1035
1036 void ListBoxImpl::Clear() {
1037     GETLB(id)->DeleteAllItems();
1038 }
1039
1040
1041 void ListBoxImpl::Append(char *s, int type) {
1042     wxString text = stc2wx(s);
1043     long count  = GETLB(id)->GetItemCount();
1044     long itemID  = GETLB(id)->InsertItem(count, wxEmptyString);
1045     GETLB(id)->SetItem(itemID, 1, text);
1046     int itemWidth = 0;
1047     GETLB(id)->GetTextExtent(text, &itemWidth, NULL);
1048     maxStrWidth = wxMax(maxStrWidth, itemWidth);
1049     if (type != -1) {
1050         wxCHECK_RET(imgTypeMap, wxT("Unexpected NULL imgTypeMap"));
1051         long idx = imgTypeMap->Item(type);
1052         GETLB(id)->SetItemImage(itemID, idx, idx);
1053     }
1054 }
1055
1056
1057 int ListBoxImpl::Length() {
1058     return GETLB(id)->GetItemCount();
1059 }
1060
1061
1062 void ListBoxImpl::Select(int n) {
1063     bool select = true;
1064     if (n == -1) {
1065         n = 0;
1066         select = false;
1067     }
1068     GETLB(id)->Focus(n);
1069     GETLB(id)->Select(n, select);
1070 }
1071
1072
1073 int ListBoxImpl::GetSelection() {
1074     return GETLB(id)->GetFirstSelected();
1075 }
1076
1077
1078 int ListBoxImpl::Find(const char *WXUNUSED(prefix)) {
1079     // No longer used
1080     return wxNOT_FOUND;
1081 }
1082
1083
1084 void ListBoxImpl::GetValue(int n, char *value, int len) {
1085     wxListItem item;
1086     item.SetId(n);
1087     item.SetColumn(1);
1088     item.SetMask(wxLIST_MASK_TEXT);
1089     GETLB(id)->GetItem(item);
1090     strncpy(value, wx2stc(item.GetText()), len);
1091     value[len-1] = '\0';
1092 }
1093
1094
1095 void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
1096     wxMemoryInputStream stream(xpm_data, strlen(xpm_data)+1);
1097     wxImage img(stream, wxBITMAP_TYPE_XPM);
1098     wxBitmap bmp(img);
1099
1100     if (! imgList) {
1101         // assumes all images are the same size
1102         imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), true);
1103         imgTypeMap = new wxArrayInt;
1104     }
1105
1106     int idx = imgList->Add(bmp);
1107
1108     // do we need to extend the mapping array?
1109     wxArrayInt& itm = *imgTypeMap;
1110     if ( itm.GetCount() < (size_t)type+1)
1111         itm.Add(-1, type - itm.GetCount() + 1);
1112
1113     // Add an item that maps type to the image index
1114     itm[type] = idx;
1115 }
1116
1117 void ListBoxImpl::ClearRegisteredImages() {
1118     if (imgList) {
1119         delete imgList;
1120         imgList = NULL;
1121     }
1122     if (imgTypeMap) {
1123         delete imgTypeMap;
1124         imgTypeMap = NULL;
1125     }
1126     if (id)
1127         GETLB(id)->SetImageList(NULL, wxIMAGE_LIST_SMALL);
1128 }
1129
1130
1131 void ListBoxImpl::SetDoubleClickAction(CallBackAction action, void *data) {
1132     GETLBW(id)->SetDoubleClickAction(action, data);
1133 }
1134
1135
1136
1137 ListBox::ListBox() {
1138 }
1139
1140 ListBox::~ListBox() {
1141 }
1142
1143 ListBox *ListBox::Allocate() {
1144     return new ListBoxImpl();
1145 }
1146
1147 //----------------------------------------------------------------------
1148
1149 Menu::Menu() : id(0) {
1150 }
1151
1152 void Menu::CreatePopUp() {
1153     Destroy();
1154     id = new wxMenu();
1155 }
1156
1157 void Menu::Destroy() {
1158     if (id)
1159         delete (wxMenu*)id;
1160     id = 0;
1161 }
1162
1163 void Menu::Show(Point pt, Window &w) {
1164     GETWIN(w.GetID())->PopupMenu((wxMenu*)id, pt.x - 4, pt.y);
1165     Destroy();
1166 }
1167
1168 //----------------------------------------------------------------------
1169
1170 DynamicLibrary *DynamicLibrary::Load(const char *WXUNUSED(modulePath)) {
1171     wxFAIL_MSG(wxT("Dynamic lexer loading not implemented yet"));
1172     return NULL;
1173 }
1174
1175 //----------------------------------------------------------------------
1176
1177 ColourDesired Platform::Chrome() {
1178     wxColour c;
1179     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
1180     return ColourDesired(c.Red(), c.Green(), c.Blue());
1181 }
1182
1183 ColourDesired Platform::ChromeHighlight() {
1184     wxColour c;
1185     c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT);
1186     return ColourDesired(c.Red(), c.Green(), c.Blue());
1187 }
1188
1189 const char *Platform::DefaultFont() {
1190     static char buf[128];
1191     strcpy(buf, wxNORMAL_FONT->GetFaceName().mbc_str());
1192     return buf;
1193 }
1194
1195 int Platform::DefaultFontSize() {
1196     return wxNORMAL_FONT->GetPointSize();
1197 }
1198
1199 unsigned int Platform::DoubleClickTime() {
1200     return 500;   // **** ::GetDoubleClickTime();
1201 }
1202
1203 bool Platform::MouseButtonBounce() {
1204     return false;
1205 }
1206 void Platform::DebugDisplay(const char *s) {
1207     wxLogDebug(stc2wx(s));
1208 }
1209
1210 bool Platform::IsKeyDown(int WXUNUSED(key)) {
1211     return false;  // I don't think we'll need this.
1212 }
1213
1214 long Platform::SendScintilla(WindowID w,
1215                              unsigned int msg,
1216                              unsigned long wParam,
1217                              long lParam) {
1218
1219     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1220     return stc->SendMsg(msg, wParam, lParam);
1221 }
1222
1223 long Platform::SendScintillaPointer(WindowID w,
1224                                     unsigned int msg,
1225                                     unsigned long wParam,
1226                                     void *lParam) {
1227
1228     wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
1229     return stc->SendMsg(msg, wParam, (long)lParam);
1230 }
1231
1232
1233 // These are utility functions not really tied to a platform
1234
1235 int Platform::Minimum(int a, int b) {
1236     if (a < b)
1237         return a;
1238     else
1239         return b;
1240 }
1241
1242 int Platform::Maximum(int a, int b) {
1243     if (a > b)
1244         return a;
1245     else
1246         return b;
1247 }
1248
1249 #define TRACE
1250
1251 void Platform::DebugPrintf(const char *format, ...) {
1252 #ifdef TRACE
1253     char buffer[2000];
1254     va_list pArguments;
1255     va_start(pArguments, format);
1256     vsprintf(buffer,format,pArguments);
1257     va_end(pArguments);
1258     Platform::DebugDisplay(buffer);
1259 #endif
1260 }
1261
1262
1263 static bool assertionPopUps = true;
1264
1265 bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
1266     bool ret = assertionPopUps;
1267     assertionPopUps = assertionPopUps_;
1268     return ret;
1269 }
1270
1271 void Platform::Assert(const char *c, const char *file, int line) {
1272     char buffer[2000];
1273     sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
1274     if (assertionPopUps) {
1275         /*int idButton = */
1276         wxMessageBox(stc2wx(buffer),
1277                      wxT("Assertion failure"),
1278                      wxICON_HAND | wxOK);
1279 //      if (idButton == IDRETRY) {
1280 //          ::DebugBreak();
1281 //      } else if (idButton == IDIGNORE) {
1282 //          // all OK
1283 //      } else {
1284 //          abort();
1285 //      }
1286     } else {
1287         strcat(buffer, "\r\n");
1288         Platform::DebugDisplay(buffer);
1289         abort();
1290     }
1291 }
1292
1293
1294 int Platform::Clamp(int val, int minVal, int maxVal) {
1295     if (val > maxVal)
1296         val = maxVal;
1297     if (val < minVal)
1298         val = minVal;
1299     return val;
1300 }
1301
1302
1303 bool Platform::IsDBCSLeadByte(int WXUNUSED(codePage), char WXUNUSED(ch)) {
1304     return false;
1305 }
1306
1307 int Platform::DBCSCharLength(int WXUNUSED(codePage), const char *WXUNUSED(s)) {
1308     return 1;
1309 }
1310
1311 int Platform::DBCSCharMaxLength() {
1312     return 1;
1313 }
1314
1315
1316 //----------------------------------------------------------------------
1317
1318 ElapsedTime::ElapsedTime() {
1319     wxStartTimer();
1320 }
1321
1322 double ElapsedTime::Duration(bool reset) {
1323     double result = wxGetElapsedTime(reset);
1324     result /= 1000.0;
1325     return result;
1326 }
1327
1328
1329 //----------------------------------------------------------------------
1330
1331 #if wxUSE_UNICODE
1332
1333 #include "UniConversion.h"
1334
1335 // Convert using Scintilla's functions instead of wx's, Scintilla's are more
1336 // forgiving and won't assert...
1337
1338 wxString stc2wx(const char* str, size_t len)
1339 {
1340     if (!len)
1341         return wxEmptyString;
1342
1343     size_t wclen = UCS2Length(str, len);
1344     wxWCharBuffer buffer(wclen+1);
1345
1346     size_t actualLen = UCS2FromUTF8(str, len, buffer.data(), wclen+1);
1347     return wxString(buffer.data(), actualLen);
1348 }
1349
1350
1351
1352 wxString stc2wx(const char* str)
1353 {
1354     return stc2wx(str, strlen(str));
1355 }
1356
1357
1358 const wxWX2MBbuf wx2stc(const wxString& str)
1359 {
1360     const wchar_t* wcstr = str.c_str();
1361     size_t wclen         = str.length();
1362     size_t len           = UTF8Length(wcstr, wclen);
1363
1364     wxCharBuffer buffer(len+1);
1365     UTF8FromUCS2(wcstr, wclen, buffer.data(), len);
1366
1367     // TODO check NULL termination!!
1368
1369     return buffer;
1370 }
1371
1372 #endif
1373
1374
1375
1376
1377
1378