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1 ////////////////////////////////////////////////////////////////////////////
2 // Name: stc.cpp
3 // Purpose: A wxWindows implementation of Scintilla. This class is the
4 // one meant to be used directly by wx applications. It does not
5 // derive directly from the Scintilla classes, but instead
6 // delegates most things to the real Scintilla class.
7 // This allows the use of Scintilla without polluting the
8 // namespace with all the classes and identifiers from Scintilla.
9 //
10 // Author: Robin Dunn
11 //
12 // Created: 13-Jan-2000
13 // RCS-ID: $Id$
14 // Copyright: (c) 2000 by Total Control Software
15 // Licence: wxWindows license
16 /////////////////////////////////////////////////////////////////////////////
17
18 #include <ctype.h>
19
20 #include "wx/stc/stc.h"
21 #include "ScintillaWX.h"
22
23 #include <wx/tokenzr.h>
24
25
26 //----------------------------------------------------------------------
27
28 const wxChar* wxSTCNameStr = wxT("stcwindow");
29
30 DEFINE_EVENT_TYPE( wxEVT_STC_CHANGE )
31 DEFINE_EVENT_TYPE( wxEVT_STC_STYLENEEDED )
32 DEFINE_EVENT_TYPE( wxEVT_STC_CHARADDED )
33 DEFINE_EVENT_TYPE( wxEVT_STC_SAVEPOINTREACHED )
34 DEFINE_EVENT_TYPE( wxEVT_STC_SAVEPOINTLEFT )
35 DEFINE_EVENT_TYPE( wxEVT_STC_ROMODIFYATTEMPT )
36 DEFINE_EVENT_TYPE( wxEVT_STC_KEY )
37 DEFINE_EVENT_TYPE( wxEVT_STC_DOUBLECLICK )
38 DEFINE_EVENT_TYPE( wxEVT_STC_UPDATEUI )
39 DEFINE_EVENT_TYPE( wxEVT_STC_MODIFIED )
40 DEFINE_EVENT_TYPE( wxEVT_STC_MACRORECORD )
41 DEFINE_EVENT_TYPE( wxEVT_STC_MARGINCLICK )
42 DEFINE_EVENT_TYPE( wxEVT_STC_NEEDSHOWN )
43 DEFINE_EVENT_TYPE( wxEVT_STC_POSCHANGED )
44 DEFINE_EVENT_TYPE( wxEVT_STC_PAINTED )
45 DEFINE_EVENT_TYPE( wxEVT_STC_USERLISTSELECTION )
46 DEFINE_EVENT_TYPE( wxEVT_STC_URIDROPPED )
47 DEFINE_EVENT_TYPE( wxEVT_STC_DWELLSTART )
48 DEFINE_EVENT_TYPE( wxEVT_STC_DWELLEND )
49 DEFINE_EVENT_TYPE( wxEVT_STC_START_DRAG )
50 DEFINE_EVENT_TYPE( wxEVT_STC_DRAG_OVER )
51 DEFINE_EVENT_TYPE( wxEVT_STC_DO_DROP )
52
53
54 BEGIN_EVENT_TABLE(wxStyledTextCtrl, wxControl)
55 EVT_PAINT (wxStyledTextCtrl::OnPaint)
56 EVT_SCROLLWIN (wxStyledTextCtrl::OnScrollWin)
57 EVT_SCROLL (wxStyledTextCtrl::OnScroll)
58 EVT_SIZE (wxStyledTextCtrl::OnSize)
59 EVT_LEFT_DOWN (wxStyledTextCtrl::OnMouseLeftDown)
60 #ifdef __WXMSW__
61 // Let Scintilla see the double click as a second click
62 EVT_LEFT_DCLICK (wxStyledTextCtrl::OnMouseLeftDown)
63 #endif
64 EVT_MOTION (wxStyledTextCtrl::OnMouseMove)
65 EVT_LEFT_UP (wxStyledTextCtrl::OnMouseLeftUp)
66 #ifdef __WXGTK__
67 EVT_RIGHT_UP (wxStyledTextCtrl::OnMouseRightUp)
68 #else
69 EVT_CONTEXT_MENU (wxStyledTextCtrl::OnContextMenu)
70 #endif
71 EVT_MOUSEWHEEL (wxStyledTextCtrl::OnMouseWheel)
72 EVT_CHAR (wxStyledTextCtrl::OnChar)
73 EVT_KEY_DOWN (wxStyledTextCtrl::OnKeyDown)
74 EVT_KILL_FOCUS (wxStyledTextCtrl::OnLoseFocus)
75 EVT_SET_FOCUS (wxStyledTextCtrl::OnGainFocus)
76 EVT_SYS_COLOUR_CHANGED (wxStyledTextCtrl::OnSysColourChanged)
77 EVT_ERASE_BACKGROUND (wxStyledTextCtrl::OnEraseBackground)
78 EVT_MENU_RANGE (-1, -1, wxStyledTextCtrl::OnMenu)
79 EVT_LISTBOX_DCLICK (-1, wxStyledTextCtrl::OnListBox)
80 END_EVENT_TABLE()
81
82
83 IMPLEMENT_CLASS(wxStyledTextCtrl, wxControl)
84 IMPLEMENT_DYNAMIC_CLASS(wxStyledTextEvent, wxCommandEvent)
85
86 // forces the linking of the lexer modules
87 int Scintilla_LinkLexers();
88
89 //----------------------------------------------------------------------
90 // Constructor and Destructor
91
92 wxStyledTextCtrl::wxStyledTextCtrl(wxWindow *parent,
93 wxWindowID id,
94 const wxPoint& pos,
95 const wxSize& size,
96 long style,
97 const wxString& name) :
98 wxControl(parent, id, pos, size,
99 style | wxVSCROLL | wxHSCROLL | wxWANTS_CHARS | wxCLIP_CHILDREN,
100 wxDefaultValidator, name)
101 {
102 Scintilla_LinkLexers();
103 m_swx = new ScintillaWX(this);
104 m_stopWatch.Start();
105 m_lastKeyDownConsumed = FALSE;
106 m_vScrollBar = NULL;
107 m_hScrollBar = NULL;
108 #if wxUSE_UNICODE
109 // Put Scintilla into unicode (UTF-8) mode
110 SetCodePage(wxSTC_CP_UTF8);
111 #endif
112 }
113
114
115 wxStyledTextCtrl::~wxStyledTextCtrl() {
116 delete m_swx;
117 }
118
119
120 //----------------------------------------------------------------------
121
122 long wxStyledTextCtrl::SendMsg(int msg, long wp, long lp) {
123
124 return m_swx->WndProc(msg, wp, lp);
125 }
126
127
128 #ifdef MAKELONG
129 #undef MAKELONG
130 #endif
131
132 #define MAKELONG(a, b) ((a) | ((b) << 16))
133
134
135 static long wxColourAsLong(const wxColour& co) {
136 return (((long)co.Blue() << 16) |
137 ((long)co.Green() << 8) |
138 ((long)co.Red()));
139 }
140
141 static wxColour wxColourFromLong(long c) {
142 wxColour clr;
143 clr.Set(c & 0xff, (c >> 8) & 0xff, (c >> 16) & 0xff);
144 return clr;
145 }
146
147
148 static wxColour wxColourFromSpec(const wxString& spec) {
149 // spec should be "#RRGGBB"
150 long red, green, blue;
151 red = green = blue = 0;
152 spec.Mid(1,2).ToLong(&red, 16);
153 spec.Mid(3,2).ToLong(&green, 16);
154 spec.Mid(5,2).ToLong(&blue, 16);
155 return wxColour(red, green, blue);
156 }
157
158
159 //----------------------------------------------------------------------
160 // BEGIN generated section. The following code is automatically generated
161 // by gen_iface.py from the contents of Scintilla.iface. Do not edit
162 // this file. Edit stc.cpp.in or gen_iface.py instead and regenerate.
163
164 %(METHOD_IMPS)s
165
166 // END of generated section
167 //----------------------------------------------------------------------
168
169
170 // Returns the line number of the line with the caret.
171 int wxStyledTextCtrl::GetCurrentLine() {
172 int line = LineFromPosition(GetCurrentPos());
173 return line;
174 }
175
176
177 // Extract style settings from a spec-string which is composed of one or
178 // more of the following comma separated elements:
179 //
180 // bold turns on bold
181 // italic turns on italics
182 // fore:#RRGGBB sets the foreground colour
183 // back:#RRGGBB sets the background colour
184 // face:[facename] sets the font face name to use
185 // size:[num] sets the font size in points
186 // eol turns on eol filling
187 // underline turns on underlining
188 //
189 void wxStyledTextCtrl::StyleSetSpec(int styleNum, const wxString& spec) {
190
191 wxStringTokenizer tkz(spec, ",");
192 while (tkz.HasMoreTokens()) {
193 wxString token = tkz.GetNextToken();
194
195 wxString option = token.BeforeFirst(':');
196 wxString val = token.AfterFirst(':');
197
198 if (option == "bold")
199 StyleSetBold(styleNum, true);
200
201 else if (option == "italic")
202 StyleSetItalic(styleNum, true);
203
204 else if (option == "underline")
205 StyleSetUnderline(styleNum, true);
206
207 else if (option == "eol")
208 StyleSetEOLFilled(styleNum, true);
209
210 else if (option == "size") {
211 long points;
212 if (val.ToLong(&points))
213 StyleSetSize(styleNum, points);
214 }
215
216 else if (option == "face")
217 StyleSetFaceName(styleNum, val);
218
219 else if (option == "fore")
220 StyleSetForeground(styleNum, wxColourFromSpec(val));
221
222 else if (option == "back")
223 StyleSetBackground(styleNum, wxColourFromSpec(val));
224 }
225 }
226
227
228 // Set style size, face, bold, italic, and underline attributes from
229 // a wxFont's attributes.
230 void wxStyledTextCtrl::StyleSetFont(int styleNum, wxFont& font) {
231 int size = font.GetPointSize();
232 wxString faceName = font.GetFaceName();
233 bool bold = font.GetWeight() == wxBOLD;
234 bool italic = font.GetStyle() != wxNORMAL;
235 bool under = font.GetUnderlined();
236
237 // TODO: add encoding/charset mapping
238 StyleSetFontAttr(styleNum, size, faceName, bold, italic, under);
239 }
240
241 // Set all font style attributes at once.
242 void wxStyledTextCtrl::StyleSetFontAttr(int styleNum, int size,
243 const wxString& faceName,
244 bool bold, bool italic,
245 bool underline) {
246 StyleSetSize(styleNum, size);
247 StyleSetFaceName(styleNum, faceName);
248 StyleSetBold(styleNum, bold);
249 StyleSetItalic(styleNum, italic);
250 StyleSetUnderline(styleNum, underline);
251
252 // TODO: add encoding/charset mapping
253 }
254
255
256 // Perform one of the operations defined by the wxSTC_CMD_* constants.
257 void wxStyledTextCtrl::CmdKeyExecute(int cmd) {
258 SendMsg(cmd);
259 }
260
261
262 // Set the left and right margin in the edit area, measured in pixels.
263 void wxStyledTextCtrl::SetMargins(int left, int right) {
264 SetMarginLeft(left);
265 SetMarginRight(right);
266 }
267
268
269 // Retrieve the start and end positions of the current selection.
270 void wxStyledTextCtrl::GetSelection(int* startPos, int* endPos) {
271 if (startPos != NULL)
272 *startPos = SendMsg(SCI_GETSELECTIONSTART);
273 if (endPos != NULL)
274 *endPos = SendMsg(SCI_GETSELECTIONEND);
275 }
276
277
278 // Retrieve the point in the window where a position is displayed.
279 wxPoint wxStyledTextCtrl::PointFromPosition(int pos) {
280 int x = SendMsg(SCI_POINTXFROMPOSITION, 0, pos);
281 int y = SendMsg(SCI_POINTYFROMPOSITION, 0, pos);
282 return wxPoint(x, y);
283 }
284
285 // Scroll enough to make the given line visible
286 void wxStyledTextCtrl::ScrollToLine(int line) {
287 m_swx->DoScrollToLine(line);
288 }
289
290
291 // Scroll enough to make the given column visible
292 void wxStyledTextCtrl::ScrollToColumn(int column) {
293 m_swx->DoScrollToColumn(column);
294 }
295
296
297
298 //----------------------------------------------------------------------
299 // Event handlers
300
301 void wxStyledTextCtrl::OnPaint(wxPaintEvent& evt) {
302 wxPaintDC dc(this);
303 wxRegion region = GetUpdateRegion();
304
305 m_swx->DoPaint(&dc, region.GetBox());
306 }
307
308 void wxStyledTextCtrl::OnScrollWin(wxScrollWinEvent& evt) {
309 if (evt.GetOrientation() == wxHORIZONTAL)
310 m_swx->DoHScroll(evt.GetEventType(), evt.GetPosition());
311 else
312 m_swx->DoVScroll(evt.GetEventType(), evt.GetPosition());
313 }
314
315 void wxStyledTextCtrl::OnScroll(wxScrollEvent& evt) {
316 wxScrollBar* sb = wxDynamicCast(evt.GetEventObject(), wxScrollBar);
317 if (sb) {
318 if (sb->IsVertical())
319 m_swx->DoVScroll(evt.GetEventType(), evt.GetPosition());
320 else
321 m_swx->DoHScroll(evt.GetEventType(), evt.GetPosition());
322 }
323 }
324
325 void wxStyledTextCtrl::OnSize(wxSizeEvent& evt) {
326 wxSize sz = GetClientSize();
327 m_swx->DoSize(sz.x, sz.y);
328 Refresh(FALSE);
329 }
330
331 void wxStyledTextCtrl::OnMouseLeftDown(wxMouseEvent& evt) {
332 wxPoint pt = evt.GetPosition();
333 m_swx->DoButtonDown(Point(pt.x, pt.y), m_stopWatch.Time(),
334 evt.ShiftDown(), evt.ControlDown(), evt.AltDown());
335 }
336
337 void wxStyledTextCtrl::OnMouseMove(wxMouseEvent& evt) {
338 wxPoint pt = evt.GetPosition();
339 m_swx->DoButtonMove(Point(pt.x, pt.y));
340 }
341
342 void wxStyledTextCtrl::OnMouseLeftUp(wxMouseEvent& evt) {
343 wxPoint pt = evt.GetPosition();
344 m_swx->DoButtonUp(Point(pt.x, pt.y), m_stopWatch.Time(),
345 evt.ControlDown());
346 }
347
348
349 void wxStyledTextCtrl::OnMouseRightUp(wxMouseEvent& evt) {
350 wxPoint pt = evt.GetPosition();
351 m_swx->DoContextMenu(Point(pt.x, pt.y));
352 }
353
354
355 void wxStyledTextCtrl::OnContextMenu(wxContextMenuEvent& evt) {
356 wxPoint pt = evt.GetPosition();
357 ScreenToClient(&pt.x, &pt.y);
358 m_swx->DoContextMenu(Point(pt.x, pt.y));
359 }
360
361
362 void wxStyledTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
363 m_swx->DoMouseWheel(evt.GetWheelRotation(),
364 evt.GetWheelDelta(),
365 evt.GetLinesPerAction(),
366 evt.ControlDown());
367 }
368
369
370 void wxStyledTextCtrl::OnChar(wxKeyEvent& evt) {
371 int key = evt.GetKeyCode();
372
373 // AltGr keys???
374 // \|@#¬[]{}?£$~ ã,õ,Ã,Õ, ñ, Ñ
375
376 // On (some?) non-US keyboards the AltGr key is required to enter some
377 // common characters. It comes to us as both Alt and Ctrl down so we need
378 // to let the char through in that case, otherwise if only ctrl or only
379 // alt let's skip it.
380 bool ctrl = evt.ControlDown();
381 bool alt = evt.AltDown();
382 bool skip = ((ctrl || alt) && ! (ctrl && alt));
383
384 //printf("OnChar key:%%d consumed:%%d ctrl:%%d alt:%%d skip:%%d\n",
385 // key, m_lastKeyDownConsumed, ctrl, alt, skip);
386
387 if (key <= WXK_START && /*key >= 32 &&*/ !m_lastKeyDownConsumed && !skip) {
388 m_swx->DoAddChar(key);
389 return;
390 }
391 evt.Skip();
392 }
393
394
395 void wxStyledTextCtrl::OnKeyDown(wxKeyEvent& evt) {
396 int key = evt.GetKeyCode();
397 bool shift = evt.ShiftDown(),
398 ctrl = evt.ControlDown(),
399 alt = evt.AltDown();
400
401 int processed = m_swx->DoKeyDown(key, shift, ctrl, alt, &m_lastKeyDownConsumed);
402
403 // printf("key: %%d shift: %%d ctrl: %%d alt: %%d processed: %%d consumed: %%d\n",
404 // key, shift, ctrl, alt, processed, m_lastKeyDownConsumed);
405
406 if (!processed && !m_lastKeyDownConsumed)
407 evt.Skip();
408 }
409
410
411 void wxStyledTextCtrl::OnLoseFocus(wxFocusEvent& evt) {
412 m_swx->DoLoseFocus();
413 }
414
415
416 void wxStyledTextCtrl::OnGainFocus(wxFocusEvent& evt) {
417 m_swx->DoGainFocus();
418 }
419
420
421 void wxStyledTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& evt) {
422 m_swx->DoSysColourChange();
423 }
424
425
426 void wxStyledTextCtrl::OnEraseBackground(wxEraseEvent& evt) {
427 // do nothing to help avoid flashing
428 }
429
430
431
432 void wxStyledTextCtrl::OnMenu(wxCommandEvent& evt) {
433 m_swx->DoCommand(evt.GetId());
434 }
435
436
437 void wxStyledTextCtrl::OnListBox(wxCommandEvent& evt) {
438 m_swx->DoOnListBox();
439 }
440
441
442 //----------------------------------------------------------------------
443 // Turn notifications from Scintilla into events
444
445
446 void wxStyledTextCtrl::NotifyChange() {
447 wxStyledTextEvent evt(wxEVT_STC_CHANGE, GetId());
448 evt.SetEventObject(this);
449 GetEventHandler()->ProcessEvent(evt);
450 }
451
452 void wxStyledTextCtrl::NotifyParent(SCNotification* _scn) {
453 SCNotification& scn = *_scn;
454 wxStyledTextEvent evt(0, GetId());
455
456 evt.SetEventObject(this);
457 evt.SetPosition(scn.position);
458 evt.SetKey(scn.ch);
459 evt.SetModifiers(scn.modifiers);
460
461 switch (scn.nmhdr.code) {
462 case SCN_STYLENEEDED:
463 evt.SetEventType(wxEVT_STC_STYLENEEDED);
464 break;
465
466 case SCN_CHARADDED:
467 evt.SetEventType(wxEVT_STC_CHARADDED);
468 break;
469
470 case SCN_SAVEPOINTREACHED:
471 evt.SetEventType(wxEVT_STC_SAVEPOINTREACHED);
472 break;
473
474 case SCN_SAVEPOINTLEFT:
475 evt.SetEventType(wxEVT_STC_SAVEPOINTLEFT);
476 break;
477
478 case SCN_MODIFYATTEMPTRO:
479 evt.SetEventType(wxEVT_STC_ROMODIFYATTEMPT);
480 break;
481
482 case SCN_KEY:
483 evt.SetEventType(wxEVT_STC_KEY);
484 break;
485
486 case SCN_DOUBLECLICK:
487 evt.SetEventType(wxEVT_STC_DOUBLECLICK);
488 break;
489
490 case SCN_UPDATEUI:
491 evt.SetEventType(wxEVT_STC_UPDATEUI);
492 break;
493
494 case SCN_MODIFIED:
495 evt.SetEventType(wxEVT_STC_MODIFIED);
496 evt.SetModificationType(scn.modificationType);
497 if (scn.text) {
498 // The unicode conversion MUST have a null byte to terminate the
499 // string so move it into a buffer first and give it one.
500 wxMemoryBuffer buf(scn.length+1);
501 buf.AppendData((void*)scn.text, scn.length);
502 buf.AppendByte(0);
503 evt.SetText(wxString(buf, wxConvUTF8));
504 }
505 evt.SetLength(scn.length);
506 evt.SetLinesAdded(scn.linesAdded);
507 evt.SetLine(scn.line);
508 evt.SetFoldLevelNow(scn.foldLevelNow);
509 evt.SetFoldLevelPrev(scn.foldLevelPrev);
510 break;
511
512 case SCN_MACRORECORD:
513 evt.SetEventType(wxEVT_STC_MACRORECORD);
514 evt.SetMessage(scn.message);
515 evt.SetWParam(scn.wParam);
516 evt.SetLParam(scn.lParam);
517 break;
518
519 case SCN_MARGINCLICK:
520 evt.SetEventType(wxEVT_STC_MARGINCLICK);
521 evt.SetMargin(scn.margin);
522 break;
523
524 case SCN_NEEDSHOWN:
525 evt.SetEventType(wxEVT_STC_NEEDSHOWN);
526 evt.SetLength(scn.length);
527 break;
528
529 case SCN_PAINTED:
530 evt.SetEventType(wxEVT_STC_PAINTED);
531 break;
532
533 case SCN_USERLISTSELECTION:
534 evt.SetEventType(wxEVT_STC_USERLISTSELECTION);
535 evt.SetListType(scn.listType);
536 evt.SetText(scn.text);
537 break;
538
539 case SCN_URIDROPPED:
540 evt.SetEventType(wxEVT_STC_URIDROPPED);
541 evt.SetText(scn.text);
542 break;
543
544 case SCN_DWELLSTART:
545 evt.SetEventType(wxEVT_STC_DWELLSTART);
546 evt.SetX(scn.x);
547 evt.SetY(scn.y);
548 break;
549
550 case SCN_DWELLEND:
551 evt.SetEventType(wxEVT_STC_DWELLEND);
552 evt.SetX(scn.x);
553 evt.SetY(scn.y);
554 break;
555
556 default:
557 return;
558 }
559
560 GetEventHandler()->ProcessEvent(evt);
561 }
562
563
564 //----------------------------------------------------------------------
565 //----------------------------------------------------------------------
566 //----------------------------------------------------------------------
567
568 wxStyledTextEvent::wxStyledTextEvent(wxEventType commandType, int id)
569 : wxCommandEvent(commandType, id)
570 {
571 m_position = 0;
572 m_key = 0;
573 m_modifiers = 0;
574 m_modificationType = 0;
575 m_length = 0;
576 m_linesAdded = 0;
577 m_line = 0;
578 m_foldLevelNow = 0;
579 m_foldLevelPrev = 0;
580 m_margin = 0;
581 m_message = 0;
582 m_wParam = 0;
583 m_lParam = 0;
584 m_listType = 0;
585 m_x = 0;
586 m_y = 0;
587 m_dragAllowMove = FALSE;
588 m_dragResult = wxDragNone;
589 }
590
591 bool wxStyledTextEvent::GetShift() const { return (m_modifiers & SCI_SHIFT) != 0; }
592 bool wxStyledTextEvent::GetControl() const { return (m_modifiers & SCI_CTRL) != 0; }
593 bool wxStyledTextEvent::GetAlt() const { return (m_modifiers & SCI_ALT) != 0; }
594
595
596 wxStyledTextEvent::wxStyledTextEvent(const wxStyledTextEvent& event):
597 wxCommandEvent(event)
598 {
599 m_position = event.m_position;
600 m_key = event.m_key;
601 m_modifiers = event.m_modifiers;
602 m_modificationType = event.m_modificationType;
603 m_text = event.m_text;
604 m_length = event.m_length;
605 m_linesAdded = event.m_linesAdded;
606 m_line = event.m_line;
607 m_foldLevelNow = event.m_foldLevelNow;
608 m_foldLevelPrev = event.m_foldLevelPrev;
609
610 m_margin = event.m_margin;
611
612 m_message = event.m_message;
613 m_wParam = event.m_wParam;
614 m_lParam = event.m_lParam;
615
616 m_listType = event.m_listType;
617 m_x = event.m_x;
618 m_y = event.m_y;
619
620 m_dragText = event.m_dragText;
621 m_dragAllowMove =event.m_dragAllowMove;
622 m_dragResult = event.m_dragResult;
623 }
624
625 //----------------------------------------------------------------------
626 //----------------------------------------------------------------------
627
628
629
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631
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635