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[wxWidgets.git] / include / wx / richtext / richtextctrl.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/richtext/richtextctrl.h
3 // Purpose: A rich edit control
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 2005-09-30
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_RICHTEXTCTRL_H_
13 #define _WX_RICHTEXTCTRL_H_
14
15 #include "wx/richtext/richtextbuffer.h"
16
17 #if wxUSE_RICHTEXT
18
19 #include "wx/scrolwin.h"
20 #include "wx/caret.h"
21
22 #include "wx/textctrl.h"
23
24 #if !defined(__WXGTK__) && !defined(__WXMAC__)
25 #define wxRICHTEXT_BUFFERED_PAINTING 1
26 #else
27 #define wxRICHTEXT_BUFFERED_PAINTING 0
28 #endif
29
30 class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextStyleDefinition;
31
32 /*!
33 * Styles and flags
34 */
35
36 /* Styles
37 */
38
39 #define wxRE_READONLY 0x0010
40 #define wxRE_MULTILINE 0x0020
41 #define wxRE_CENTRE_CARET 0x8000
42 #define wxRE_CENTER_CARET wxRE_CENTRE_CARET
43
44 /* Flags
45 */
46
47 #define wxRICHTEXT_SHIFT_DOWN 0x01
48 #define wxRICHTEXT_CTRL_DOWN 0x02
49 #define wxRICHTEXT_ALT_DOWN 0x04
50
51 /* Defaults
52 */
53
54 #define wxRICHTEXT_DEFAULT_OVERALL_SIZE wxSize(-1, -1)
55 #define wxRICHTEXT_DEFAULT_IMAGE_SIZE wxSize(80, 80)
56 #define wxRICHTEXT_DEFAULT_SPACING 3
57 #define wxRICHTEXT_DEFAULT_MARGIN 3
58 #define wxRICHTEXT_DEFAULT_UNFOCUSSED_BACKGROUND wxColour(175, 175, 175)
59 #define wxRICHTEXT_DEFAULT_FOCUSSED_BACKGROUND wxColour(140, 140, 140)
60 #define wxRICHTEXT_DEFAULT_UNSELECTED_BACKGROUND wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)
61 #define wxRICHTEXT_DEFAULT_TYPE_COLOUR wxColour(0, 0, 200)
62 #define wxRICHTEXT_DEFAULT_FOCUS_RECT_COLOUR wxColour(100, 80, 80)
63 #define wxRICHTEXT_DEFAULT_CARET_WIDTH 2
64 // Minimum buffer size before delayed layout kicks in
65 #define wxRICHTEXT_DEFAULT_DELAYED_LAYOUT_THRESHOLD 20000
66 // Milliseconds before layout occurs after resize
67 #define wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL 50
68
69 /*!
70 * Forward declarations
71 */
72
73 /*!
74 * wxRichTextItem class declaration
75 */
76
77 // Drawing styles/states
78 #define wxRICHTEXT_SELECTED 0x01
79 #define wxRICHTEXT_TAGGED 0x02
80 // The control is focussed
81 #define wxRICHTEXT_FOCUSSED 0x04
82 // The item itself has the focus
83 #define wxRICHTEXT_IS_FOCUS 0x08
84
85 /*!
86 * wxRichTextCtrl class declaration
87 */
88
89 class WXDLLIMPEXP_RICHTEXT wxRichTextCtrl : public wxTextCtrlBase,
90 public wxScrollHelper
91 {
92 DECLARE_CLASS( wxRichTextCtrl )
93 DECLARE_EVENT_TABLE()
94
95 public:
96 // Constructors
97
98 wxRichTextCtrl( );
99 wxRichTextCtrl( wxWindow* parent, wxWindowID id = -1, const wxString& value = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
100 long style = wxRE_MULTILINE, const wxValidator& validator = wxDefaultValidator, const wxString& name = wxTextCtrlNameStr);
101
102 virtual ~wxRichTextCtrl( );
103
104 // Operations
105
106 /// Creation
107 bool Create( wxWindow* parent, wxWindowID id = -1, const wxString& value = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
108 long style = wxRE_MULTILINE, const wxValidator& validator = wxDefaultValidator, const wxString& name = wxTextCtrlNameStr );
109
110 /// Member initialisation
111 void Init();
112
113 ///// wxTextCtrl compatibility
114
115 // Accessors
116
117 virtual wxString GetRange(long from, long to) const;
118
119 virtual int GetLineLength(long lineNo) const ;
120 virtual wxString GetLineText(long lineNo) const ;
121 virtual int GetNumberOfLines() const ;
122
123 virtual bool IsModified() const ;
124 virtual bool IsEditable() const ;
125
126 // more readable flag testing methods
127 bool IsSingleLine() const { return !HasFlag(wxRE_MULTILINE); }
128 bool IsMultiLine() const { return !IsSingleLine(); }
129
130 // If the return values from and to are the same, there is no selection.
131 virtual void GetSelection(long* from, long* to) const;
132
133 virtual wxString GetStringSelection() const;
134
135 /// Get filename
136 wxString GetFilename() const { return m_filename; }
137
138 /// Set filename
139 void SetFilename(const wxString& filename) { m_filename = filename; }
140
141 /// Set the threshold in character positions for doing layout optimization during sizing
142 void SetDelayedLayoutThreshold(long threshold) { m_delayedLayoutThreshold = threshold; }
143
144 /// Get the threshold in character positions for doing layout optimization during sizing
145 long GetDelayedLayoutThreshold() const { return m_delayedLayoutThreshold; }
146
147 /// Set text cursor
148 void SetTextCursor(const wxCursor& cursor ) { m_textCursor = cursor; }
149
150 /// Get text cursor
151 wxCursor GetTextCursor() const { return m_textCursor; }
152
153 /// Set URL cursor
154 void SetURLCursor(const wxCursor& cursor ) { m_urlCursor = cursor; }
155
156 /// Get URL cursor
157 wxCursor GetURLCursor() const { return m_urlCursor; }
158
159 /// Are we showing the caret position at the start of a line
160 /// instead of at the end of the previous one?
161 bool GetCaretAtLineStart() const { return m_caretAtLineStart; }
162 void SetCaretAtLineStart(bool atStart) { m_caretAtLineStart = atStart; }
163
164 /// Are we dragging a selection?
165 bool GetDragging() const { return m_dragging; }
166 void SetDragging(bool dragging) { m_dragging = dragging; }
167
168 /// Get/set drag start position
169 const wxPoint& GetDragStart() const { return m_dragStart; }
170 void SetDragStart(const wxPoint& pt) { m_dragStart = pt; }
171
172 #if wxRICHTEXT_BUFFERED_PAINTING
173 /// Get the buffer bitmap
174 const wxBitmap& GetBufferBitmap() const { return m_bufferBitmap; }
175 wxBitmap& GetBufferBitmap() { return m_bufferBitmap; }
176 #endif
177
178 /// Get/set context menu
179 wxMenu* GetContextMenu() const { return m_contextMenu; }
180 void SetContextMenu(wxMenu* menu);
181
182 /// Anchor so we know how to extend the selection
183 /// It's a caret position since it's between two characters.
184 long GetSelectionAnchor() const { return m_selectionAnchor; }
185 void SetSelectionAnchor(long anchor) { m_selectionAnchor = anchor; }
186
187 // Operations
188
189 // editing
190 virtual void Clear();
191 virtual void Replace(long from, long to, const wxString& value);
192 virtual void Remove(long from, long to);
193
194 // load/save the controls contents from/to the file
195 virtual bool DoLoadFile(const wxString& file, int fileType);
196 virtual bool DoSaveFile(const wxString& file = wxEmptyString,
197 int fileType = wxRICHTEXT_TYPE_ANY);
198
199 /// Set the handler flags, controlling loading and saving
200 void SetHandlerFlags(int flags) { GetBuffer().SetHandlerFlags(flags); }
201
202 /// Get the handler flags, controlling loading and saving
203 int GetHandlerFlags() const { return GetBuffer().GetHandlerFlags(); }
204
205 // sets/clears the dirty flag
206 virtual void MarkDirty();
207 virtual void DiscardEdits();
208
209 // set the max number of characters which may be entered in a single line
210 // text control
211 virtual void SetMaxLength(unsigned long WXUNUSED(len)) { }
212
213 // writing text inserts it at the current position, appending always
214 // inserts it at the end
215 virtual void WriteText(const wxString& text);
216 virtual void AppendText(const wxString& text);
217
218 // text control under some platforms supports the text styles: these
219 // methods allow to apply the given text style to the given selection or to
220 // set/get the style which will be used for all appended text
221 virtual bool SetStyle(long start, long end, const wxTextAttr& style);
222 virtual bool SetStyle(const wxRichTextRange& range, const wxTextAttr& style);
223 virtual bool GetStyle(long position, wxTextAttr& style);
224
225 // get the common set of styles for the range
226 virtual bool GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style);
227 // extended style setting operation with flags including:
228 // wxRICHTEXT_SETSTYLE_WITH_UNDO, wxRICHTEXT_SETSTYLE_OPTIMIZE, wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY, wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY
229 // see richtextbuffer.h for more details.
230 virtual bool SetStyleEx(const wxRichTextRange& range, const wxTextAttr& style, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO);
231
232 /// Get the content (uncombined) attributes for this position.
233 virtual bool GetUncombinedStyle(long position, wxTextAttr& style);
234
235 virtual bool SetDefaultStyle(const wxTextAttr& style);
236
237 virtual const wxTextAttr& GetDefaultStyleEx() const { return GetDefaultStyle(); }
238
239 virtual const wxTextAttr& GetDefaultStyle() const;
240
241 /// Set list style
242 virtual bool SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
243 virtual bool SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
244
245 /// Clear list for given range
246 virtual bool ClearListStyle(const wxRichTextRange& range, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO);
247
248 /// Number/renumber any list elements in the given range
249 /// def/defName can be NULL/empty to indicate that the existing list style should be used.
250 virtual bool NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def = NULL, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
251 virtual bool NumberList(const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
252
253 /// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
254 /// def/defName can be NULL/empty to indicate that the existing list style should be used.
255 virtual bool PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def = NULL, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int specifiedLevel = -1);
256 virtual bool PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int specifiedLevel = -1);
257
258 /// Deletes the content in the given range
259 virtual bool Delete(const wxRichTextRange& range);
260
261 // translate between the position (which is just an index in the text ctrl
262 // considering all its contents as a single strings) and (x, y) coordinates
263 // which represent column and line.
264 virtual long XYToPosition(long x, long y) const;
265 virtual bool PositionToXY(long pos, long *x, long *y) const;
266
267 virtual void ShowPosition(long pos);
268
269 // find the character at position given in pixels
270 //
271 // NB: pt is in device coords (not adjusted for the client area origin nor
272 // scrolling)
273 virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
274 virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
275 wxTextCoord *col,
276 wxTextCoord *row) const;
277
278 // Clipboard operations
279 virtual void Copy();
280 virtual void Cut();
281 virtual void Paste();
282 virtual void DeleteSelection();
283
284 virtual bool CanCopy() const;
285 virtual bool CanCut() const;
286 virtual bool CanPaste() const;
287 virtual bool CanDeleteSelection() const;
288
289 // Undo/redo
290 virtual void Undo();
291 virtual void Redo();
292
293 virtual bool CanUndo() const;
294 virtual bool CanRedo() const;
295
296 // Insertion point
297 virtual void SetInsertionPoint(long pos);
298 virtual void SetInsertionPointEnd();
299 virtual long GetInsertionPoint() const;
300 virtual wxTextPos GetLastPosition() const;
301
302 virtual void SetSelection(long from, long to);
303 virtual void SelectAll();
304 virtual void SetEditable(bool editable);
305
306 virtual bool HasSelection() const;
307
308 ///// Functionality specific to wxRichTextCtrl
309
310 /// Write an image at the current insertion point. Supply optional type to use
311 /// for internal and file storage of the raw data.
312 virtual bool WriteImage(const wxImage& image, wxBitmapType bitmapType = wxBITMAP_TYPE_PNG);
313
314 /// Write a bitmap at the current insertion point. Supply optional type to use
315 /// for internal and file storage of the raw data.
316 virtual bool WriteImage(const wxBitmap& bitmap, wxBitmapType bitmapType = wxBITMAP_TYPE_PNG);
317
318 /// Load an image from file and write at the current insertion point.
319 virtual bool WriteImage(const wxString& filename, wxBitmapType bitmapType);
320
321 /// Write an image block at the current insertion point.
322 virtual bool WriteImage(const wxRichTextImageBlock& imageBlock);
323
324 /// Insert a newline (actually paragraph) at the current insertion point.
325 virtual bool Newline();
326
327 /// Insert a line break at the current insertion point.
328 virtual bool LineBreak();
329
330 /// Set basic (overall) style
331 virtual void SetBasicStyle(const wxTextAttr& style) { GetBuffer().SetBasicStyle(style); }
332
333 /// Get basic (overall) style
334 virtual const wxTextAttr& GetBasicStyle() const { return GetBuffer().GetBasicStyle(); }
335
336 virtual bool BeginStyle(const wxTextAttr& style) { return GetBuffer().BeginStyle(style); }
337
338 /// End the style
339 virtual bool EndStyle() { return GetBuffer().EndStyle(); }
340
341 /// End all styles
342 virtual bool EndAllStyles() { return GetBuffer().EndAllStyles(); }
343
344 /// Begin using bold
345 bool BeginBold() { return GetBuffer().BeginBold(); }
346
347 /// End using bold
348 bool EndBold() { return GetBuffer().EndBold(); }
349
350 /// Begin using italic
351 bool BeginItalic() { return GetBuffer().BeginItalic(); }
352
353 /// End using italic
354 bool EndItalic() { return GetBuffer().EndItalic(); }
355
356 /// Begin using underline
357 bool BeginUnderline() { return GetBuffer().BeginUnderline(); }
358
359 /// End using underline
360 bool EndUnderline() { return GetBuffer().EndUnderline(); }
361
362 /// Begin using point size
363 bool BeginFontSize(int pointSize) { return GetBuffer().BeginFontSize(pointSize); }
364
365 /// End using point size
366 bool EndFontSize() { return GetBuffer().EndFontSize(); }
367
368 /// Begin using this font
369 bool BeginFont(const wxFont& font) { return GetBuffer().BeginFont(font); }
370
371 /// End using a font
372 bool EndFont() { return GetBuffer().EndFont(); }
373
374 /// Begin using this colour
375 bool BeginTextColour(const wxColour& colour) { return GetBuffer().BeginTextColour(colour); }
376
377 /// End using a colour
378 bool EndTextColour() { return GetBuffer().EndTextColour(); }
379
380 /// Begin using alignment
381 bool BeginAlignment(wxTextAttrAlignment alignment) { return GetBuffer().BeginAlignment(alignment); }
382
383 /// End alignment
384 bool EndAlignment() { return GetBuffer().EndAlignment(); }
385
386 /// Begin left indent
387 bool BeginLeftIndent(int leftIndent, int leftSubIndent = 0) { return GetBuffer().BeginLeftIndent(leftIndent, leftSubIndent); }
388
389 /// End left indent
390 bool EndLeftIndent() { return GetBuffer().EndLeftIndent(); }
391
392 /// Begin right indent
393 bool BeginRightIndent(int rightIndent) { return GetBuffer().BeginRightIndent(rightIndent); }
394
395 /// End right indent
396 bool EndRightIndent() { return GetBuffer().EndRightIndent(); }
397
398 /// Begin paragraph spacing
399 bool BeginParagraphSpacing(int before, int after) { return GetBuffer().BeginParagraphSpacing(before, after); }
400
401 /// End paragraph spacing
402 bool EndParagraphSpacing() { return GetBuffer().EndParagraphSpacing(); }
403
404 /// Begin line spacing
405 bool BeginLineSpacing(int lineSpacing) { return GetBuffer().BeginLineSpacing(lineSpacing); }
406
407 /// End line spacing
408 bool EndLineSpacing() { return GetBuffer().EndLineSpacing(); }
409
410 /// Begin numbered bullet
411 bool BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD)
412 { return GetBuffer().BeginNumberedBullet(bulletNumber, leftIndent, leftSubIndent, bulletStyle); }
413
414 /// End numbered bullet
415 bool EndNumberedBullet() { return GetBuffer().EndNumberedBullet(); }
416
417 /// Begin symbol bullet
418 bool BeginSymbolBullet(const wxString& symbol, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
419 { return GetBuffer().BeginSymbolBullet(symbol, leftIndent, leftSubIndent, bulletStyle); }
420
421 /// End symbol bullet
422 bool EndSymbolBullet() { return GetBuffer().EndSymbolBullet(); }
423
424 /// Begin standard bullet
425 bool BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_STANDARD)
426 { return GetBuffer().BeginStandardBullet(bulletName, leftIndent, leftSubIndent, bulletStyle); }
427
428 /// End standard bullet
429 bool EndStandardBullet() { return GetBuffer().EndStandardBullet(); }
430
431 /// Begin named character style
432 bool BeginCharacterStyle(const wxString& characterStyle) { return GetBuffer().BeginCharacterStyle(characterStyle); }
433
434 /// End named character style
435 bool EndCharacterStyle() { return GetBuffer().EndCharacterStyle(); }
436
437 /// Begin named paragraph style
438 bool BeginParagraphStyle(const wxString& paragraphStyle) { return GetBuffer().BeginParagraphStyle(paragraphStyle); }
439
440 /// End named character style
441 bool EndParagraphStyle() { return GetBuffer().EndParagraphStyle(); }
442
443 /// Begin named list style
444 bool BeginListStyle(const wxString& listStyle, int level = 1, int number = 1) { return GetBuffer().BeginListStyle(listStyle, level, number); }
445
446 /// End named character style
447 bool EndListStyle() { return GetBuffer().EndListStyle(); }
448
449 /// Begin URL
450 bool BeginURL(const wxString& url, const wxString& characterStyle = wxEmptyString) { return GetBuffer().BeginURL(url, characterStyle); }
451
452 /// End URL
453 bool EndURL() { return GetBuffer().EndURL(); }
454
455 /// Sets the default style to the style under the cursor
456 bool SetDefaultStyleToCursorStyle();
457
458 /// Clear the selection
459 virtual void SelectNone();
460
461 /// Select the word at the given character position
462 virtual bool SelectWord(long position);
463
464 /// Get/set the selection range in character positions. -1, -1 means no selection.
465 /// The range is in API convention, i.e. a single character selection is denoted
466 /// by (n, n+1)
467 wxRichTextRange GetSelectionRange() const;
468 void SetSelectionRange(const wxRichTextRange& range);
469
470 /// Get/set the selection range in character positions. -1, -1 means no selection.
471 /// The range is in internal format, i.e. a single character selection is denoted
472 /// by (n, n)
473 const wxRichTextRange& GetInternalSelectionRange() const { return m_selectionRange; }
474 void SetInternalSelectionRange(const wxRichTextRange& range) { m_selectionRange = range; }
475
476 /// Add a new paragraph of text to the end of the buffer
477 virtual wxRichTextRange AddParagraph(const wxString& text);
478
479 /// Add an image
480 virtual wxRichTextRange AddImage(const wxImage& image);
481
482 /// Layout the buffer: which we must do before certain operations, such as
483 /// setting the caret position.
484 virtual bool LayoutContent(bool onlyVisibleRect = false);
485
486 /// Move the caret to the given character position
487 virtual bool MoveCaret(long pos, bool showAtLineStart = false);
488
489 /// Move right
490 virtual bool MoveRight(int noPositions = 1, int flags = 0);
491
492 /// Move left
493 virtual bool MoveLeft(int noPositions = 1, int flags = 0);
494
495 /// Move up
496 virtual bool MoveUp(int noLines = 1, int flags = 0);
497
498 /// Move up
499 virtual bool MoveDown(int noLines = 1, int flags = 0);
500
501 /// Move to the end of the line
502 virtual bool MoveToLineEnd(int flags = 0);
503
504 /// Move to the start of the line
505 virtual bool MoveToLineStart(int flags = 0);
506
507 /// Move to the end of the paragraph
508 virtual bool MoveToParagraphEnd(int flags = 0);
509
510 /// Move to the start of the paragraph
511 virtual bool MoveToParagraphStart(int flags = 0);
512
513 /// Move to the start of the buffer
514 virtual bool MoveHome(int flags = 0);
515
516 /// Move to the end of the buffer
517 virtual bool MoveEnd(int flags = 0);
518
519 /// Move n pages up
520 virtual bool PageUp(int noPages = 1, int flags = 0);
521
522 /// Move n pages down
523 virtual bool PageDown(int noPages = 1, int flags = 0);
524
525 /// Move n words left
526 virtual bool WordLeft(int noPages = 1, int flags = 0);
527
528 /// Move n words right
529 virtual bool WordRight(int noPages = 1, int flags = 0);
530
531 /// Returns the buffer associated with the control.
532 wxRichTextBuffer& GetBuffer() { return m_buffer; }
533 const wxRichTextBuffer& GetBuffer() const { return m_buffer; }
534
535 /// Start batching undo history for commands.
536 virtual bool BeginBatchUndo(const wxString& cmdName) { return m_buffer.BeginBatchUndo(cmdName); }
537
538 /// End batching undo history for commands.
539 virtual bool EndBatchUndo() { return m_buffer.EndBatchUndo(); }
540
541 /// Are we batching undo history for commands?
542 virtual bool BatchingUndo() const { return m_buffer.BatchingUndo(); }
543
544 /// Start suppressing undo history for commands.
545 virtual bool BeginSuppressUndo() { return m_buffer.BeginSuppressUndo(); }
546
547 /// End suppressing undo history for commands.
548 virtual bool EndSuppressUndo() { return m_buffer.EndSuppressUndo(); }
549
550 /// Are we suppressing undo history for commands?
551 virtual bool SuppressingUndo() const { return m_buffer.SuppressingUndo(); }
552
553 /// Test if this whole range has character attributes of the specified kind. If any
554 /// of the attributes are different within the range, the test fails. You
555 /// can use this to implement, for example, bold button updating. style must have
556 /// flags indicating which attributes are of interest.
557 virtual bool HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttr& style) const
558 {
559 return GetBuffer().HasCharacterAttributes(range.ToInternal(), style);
560 }
561
562 /// Test if this whole range has paragraph attributes of the specified kind. If any
563 /// of the attributes are different within the range, the test fails. You
564 /// can use this to implement, for example, centering button updating. style must have
565 /// flags indicating which attributes are of interest.
566 virtual bool HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttr& style) const
567 {
568 return GetBuffer().HasParagraphAttributes(range.ToInternal(), style);
569 }
570
571 /// Is all of the selection bold?
572 virtual bool IsSelectionBold();
573
574 /// Is all of the selection italics?
575 virtual bool IsSelectionItalics();
576
577 /// Is all of the selection underlined?
578 virtual bool IsSelectionUnderlined();
579
580 /// Is all of the selection aligned according to the specified flag?
581 virtual bool IsSelectionAligned(wxTextAttrAlignment alignment);
582
583 /// Apply bold to the selection
584 virtual bool ApplyBoldToSelection();
585
586 /// Apply italic to the selection
587 virtual bool ApplyItalicToSelection();
588
589 /// Apply underline to the selection
590 virtual bool ApplyUnderlineToSelection();
591
592 /// Apply alignment to the selection
593 virtual bool ApplyAlignmentToSelection(wxTextAttrAlignment alignment);
594
595 /// Apply a named style to the selection
596 virtual bool ApplyStyle(wxRichTextStyleDefinition* def);
597
598 /// Set style sheet, if any
599 void SetStyleSheet(wxRichTextStyleSheet* styleSheet) { GetBuffer().SetStyleSheet(styleSheet); }
600 wxRichTextStyleSheet* GetStyleSheet() const { return GetBuffer().GetStyleSheet(); }
601
602 /// Push style sheet to top of stack
603 bool PushStyleSheet(wxRichTextStyleSheet* styleSheet) { return GetBuffer().PushStyleSheet(styleSheet); }
604
605 /// Pop style sheet from top of stack
606 wxRichTextStyleSheet* PopStyleSheet() { return GetBuffer().PopStyleSheet(); }
607
608 /// Apply the style sheet to the buffer, for example if the styles have changed.
609 bool ApplyStyleSheet(wxRichTextStyleSheet* styleSheet = NULL);
610
611 // Command handlers
612
613 void Command(wxCommandEvent& event);
614 void OnDropFiles(wxDropFilesEvent& event);
615 void OnCaptureLost(wxMouseCaptureLostEvent& event);
616 void OnSysColourChanged(wxSysColourChangedEvent& event);
617
618 void OnCut(wxCommandEvent& event);
619 void OnCopy(wxCommandEvent& event);
620 void OnPaste(wxCommandEvent& event);
621 void OnUndo(wxCommandEvent& event);
622 void OnRedo(wxCommandEvent& event);
623 void OnSelectAll(wxCommandEvent& event);
624 void OnClear(wxCommandEvent& event);
625
626 void OnUpdateCut(wxUpdateUIEvent& event);
627 void OnUpdateCopy(wxUpdateUIEvent& event);
628 void OnUpdatePaste(wxUpdateUIEvent& event);
629 void OnUpdateUndo(wxUpdateUIEvent& event);
630 void OnUpdateRedo(wxUpdateUIEvent& event);
631 void OnUpdateSelectAll(wxUpdateUIEvent& event);
632 void OnUpdateClear(wxUpdateUIEvent& event);
633
634 // Show a context menu for Rich Edit controls (the standard
635 // EDIT control has one already)
636 void OnContextMenu(wxContextMenuEvent& event);
637
638 // Event handlers
639
640 /// Painting
641 void OnPaint(wxPaintEvent& event);
642 void OnEraseBackground(wxEraseEvent& event);
643
644 /// Left-click
645 void OnLeftClick(wxMouseEvent& event);
646
647 /// Left-up
648 void OnLeftUp(wxMouseEvent& event);
649
650 /// Motion
651 void OnMoveMouse(wxMouseEvent& event);
652
653 /// Left-double-click
654 void OnLeftDClick(wxMouseEvent& event);
655
656 /// Middle-click
657 void OnMiddleClick(wxMouseEvent& event);
658
659 /// Right-click
660 void OnRightClick(wxMouseEvent& event);
661
662 /// Key press
663 void OnChar(wxKeyEvent& event);
664
665 /// Sizing
666 void OnSize(wxSizeEvent& event);
667
668 /// Setting/losing focus
669 void OnSetFocus(wxFocusEvent& event);
670 void OnKillFocus(wxFocusEvent& event);
671
672 /// Idle-time processing
673 void OnIdle(wxIdleEvent& event);
674
675 /// Scrolling
676 void OnScroll(wxScrollWinEvent& event);
677
678 /// Set font, and also default attributes
679 virtual bool SetFont(const wxFont& font);
680
681 /// Set up scrollbars, e.g. after a resize
682 virtual void SetupScrollbars(bool atTop = false);
683
684 /// Keyboard navigation
685 virtual bool KeyboardNavigate(int keyCode, int flags);
686
687 /// Paint the background
688 virtual void PaintBackground(wxDC& dc);
689
690 #if wxRICHTEXT_BUFFERED_PAINTING
691 /// Recreate buffer bitmap if necessary
692 virtual bool RecreateBuffer(const wxSize& size = wxDefaultSize);
693 #endif
694
695 /// Write text
696 virtual void DoWriteText(const wxString& value, int flags = 0);
697
698 /// Should we inherit colours?
699 virtual bool ShouldInheritColours() const { return false; }
700
701 /// Position the caret
702 virtual void PositionCaret();
703
704 /// Extend the selection, returning true if the selection was
705 /// changed. Selections are in caret positions.
706 virtual bool ExtendSelection(long oldPosition, long newPosition, int flags);
707
708 /// Scroll into view. This takes a _caret_ position.
709 virtual bool ScrollIntoView(long position, int keyCode);
710
711 /// Refresh the area affected by a selection change
712 bool RefreshForSelectionChange(const wxRichTextRange& oldSelection, const wxRichTextRange& newSelection);
713
714 /// The caret position is the character position just before the caret.
715 /// A value of -1 means the caret is at the start of the buffer.
716 void SetCaretPosition(long position, bool showAtLineStart = false) ;
717 long GetCaretPosition() const { return m_caretPosition; }
718
719 /// The adjusted caret position is the character position adjusted to take
720 /// into account whether we're at the start of a paragraph, in which case
721 /// style information should be taken from the next position, not current one.
722 long GetAdjustedCaretPosition(long caretPos) const;
723
724 /// Move caret one visual step forward: this may mean setting a flag
725 /// and keeping the same position if we're going from the end of one line
726 /// to the start of the next, which may be the exact same caret position.
727 void MoveCaretForward(long oldPosition) ;
728
729 /// Move caret one visual step forward: this may mean setting a flag
730 /// and keeping the same position if we're going from the end of one line
731 /// to the start of the next, which may be the exact same caret position.
732 void MoveCaretBack(long oldPosition) ;
733
734 /// Get the caret height and position for the given character position
735 bool GetCaretPositionForIndex(long position, wxRect& rect);
736
737 /// Gets the line for the visible caret position. If the caret is
738 /// shown at the very end of the line, it means the next character is actually
739 /// on the following line. So let's get the line we're expecting to find
740 /// if this is the case.
741 wxRichTextLine* GetVisibleLineForCaretPosition(long caretPosition) const;
742
743 /// Gets the command processor
744 wxCommandProcessor* GetCommandProcessor() const { return GetBuffer().GetCommandProcessor(); }
745
746 /// Delete content if there is a selection, e.g. when pressing a key.
747 /// Returns the new caret position in newPos, or leaves it if there
748 /// was no action.
749 bool DeleteSelectedContent(long* newPos= NULL);
750
751 /// Transform logical to physical
752 wxPoint GetPhysicalPoint(const wxPoint& ptLogical) const;
753
754 /// Transform physical to logical
755 wxPoint GetLogicalPoint(const wxPoint& ptPhysical) const;
756
757 /// Finds the caret position for the next word. Direction
758 /// is 1 (forward) or -1 (backwards).
759 virtual long FindNextWordPosition(int direction = 1) const;
760
761 /// Is the given position visible on the screen?
762 bool IsPositionVisible(long pos) const;
763
764 /// Returns the first visible position in the current view
765 long GetFirstVisiblePosition() const;
766
767 /// Returns the caret position since the default formatting was changed. As
768 /// soon as this position changes, we no longer reflect the default style
769 /// in the UI. A value of -2 means that we should only reflect the style of the
770 /// content under the caret.
771 long GetCaretPositionForDefaultStyle() const { return m_caretPositionForDefaultStyle; }
772
773 /// Set the caret position for the default style that the user is selecting.
774 void SetCaretPositionForDefaultStyle(long pos) { m_caretPositionForDefaultStyle = pos; }
775
776 /// Should the UI reflect the default style chosen by the user, rather than the style under
777 /// the caret?
778 bool IsDefaultStyleShowing() const { return m_caretPositionForDefaultStyle != -2; }
779
780 /// Convenience function that tells the control to start reflecting the default
781 /// style, since the user is changing it.
782 void SetAndShowDefaultStyle(const wxTextAttr& attr)
783 {
784 SetDefaultStyle(attr);
785 SetCaretPositionForDefaultStyle(GetCaretPosition());
786 }
787
788 /// Get the first visible point in the window
789 wxPoint GetFirstVisiblePoint() const;
790
791 // Implementation
792
793 /// Font names take a long time to retrieve, so cache them (on demand)
794 static const wxArrayString& GetAvailableFontNames();
795 static void ClearAvailableFontNames();
796
797 WX_FORWARD_TO_SCROLL_HELPER()
798
799 // implement wxTextEntry methods
800 virtual wxString DoGetValue() const;
801
802 protected:
803 // FIXME: this does not work, it allows this code to compile but will fail
804 // during run-time
805 #ifdef __WXMSW__
806 virtual WXHWND GetEditHWND() const { return GetHWND(); }
807 #endif
808 #ifdef __WXMOTIF__
809 virtual WXWidget GetTextWidget() const { return NULL; }
810 #endif
811 #ifdef __WXGTK20__
812 virtual wxWindow *GetEditableWindow() { return this; }
813 virtual GtkEditable *GetEditable() const { return NULL; }
814 virtual GtkEntry *GetEntry() const { return NULL; }
815 #endif
816
817 // Overrides
818 protected:
819
820 virtual wxSize DoGetBestSize() const ;
821
822 virtual void DoSetValue(const wxString& value, int flags = 0);
823
824 virtual void DoThaw();
825
826
827 // Data members
828 private:
829 #if wxRICHTEXT_BUFFERED_PAINTING
830 /// Buffer bitmap
831 wxBitmap m_bufferBitmap;
832 #endif
833
834 /// Text buffer
835 wxRichTextBuffer m_buffer;
836
837 wxMenu* m_contextMenu;
838
839 /// Caret position (1 less than the character position, so -1 is the
840 /// first caret position).
841 long m_caretPosition;
842
843 /// Caret position when the default formatting has been changed. As
844 /// soon as this position changes, we no longer reflect the default style
845 /// in the UI.
846 long m_caretPositionForDefaultStyle;
847
848 /// Selection range in character positions. -2, -2 means no selection.
849 wxRichTextRange m_selectionRange;
850
851 /// Anchor so we know how to extend the selection
852 /// It's a caret position since it's between two characters.
853 long m_selectionAnchor;
854
855 /// Are we editable?
856 bool m_editable;
857
858 /// Are we showing the caret position at the start of a line
859 /// instead of at the end of the previous one?
860 bool m_caretAtLineStart;
861
862 /// Are we dragging a selection?
863 bool m_dragging;
864
865 /// Start position for drag
866 wxPoint m_dragStart;
867
868 /// Do we need full layout in idle?
869 bool m_fullLayoutRequired;
870 wxLongLong m_fullLayoutTime;
871 long m_fullLayoutSavedPosition;
872
873 /// Threshold for doing delayed layout
874 long m_delayedLayoutThreshold;
875
876 /// Cursors
877 wxCursor m_textCursor;
878 wxCursor m_urlCursor;
879
880 static wxArrayString sm_availableFontNames;
881 };
882
883 /*!
884 * wxRichTextEvent - the event class for wxRichTextCtrl notifications
885 */
886
887 class WXDLLIMPEXP_RICHTEXT wxRichTextEvent : public wxNotifyEvent
888 {
889 public:
890 wxRichTextEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
891 : wxNotifyEvent(commandType, winid),
892 m_flags(0), m_position(-1), m_oldStyleSheet(NULL), m_newStyleSheet(NULL),
893 m_char((wxChar) 0)
894 { }
895
896 wxRichTextEvent(const wxRichTextEvent& event)
897 : wxNotifyEvent(event),
898 m_flags(event.m_flags), m_position(-1),
899 m_oldStyleSheet(event.m_oldStyleSheet), m_newStyleSheet(event.m_newStyleSheet),
900 m_char((wxChar) 0)
901 { }
902
903 long GetPosition() const { return m_position; }
904 void SetPosition(long pos) { m_position = pos; }
905
906 int GetFlags() const { return m_flags; }
907 void SetFlags(int flags) { m_flags = flags; }
908
909 wxRichTextStyleSheet* GetOldStyleSheet() const { return m_oldStyleSheet; }
910 void SetOldStyleSheet(wxRichTextStyleSheet* sheet) { m_oldStyleSheet = sheet; }
911
912 wxRichTextStyleSheet* GetNewStyleSheet() const { return m_newStyleSheet; }
913 void SetNewStyleSheet(wxRichTextStyleSheet* sheet) { m_newStyleSheet = sheet; }
914
915 const wxRichTextRange& GetRange() const { return m_range; }
916 void SetRange(const wxRichTextRange& range) { m_range = range; }
917
918 wxChar GetCharacter() const { return m_char; }
919 void SetCharacter(wxChar ch) { m_char = ch; }
920
921 virtual wxEvent *Clone() const { return new wxRichTextEvent(*this); }
922
923 protected:
924 int m_flags;
925 long m_position;
926 wxRichTextStyleSheet* m_oldStyleSheet;
927 wxRichTextStyleSheet* m_newStyleSheet;
928 wxRichTextRange m_range;
929 wxChar m_char;
930
931 private:
932 DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxRichTextEvent)
933 };
934
935 /*!
936 * wxRichTextCtrl events
937 */
938 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_LEFT_CLICK, wxRichTextEvent );
939 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK, wxRichTextEvent );
940 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK, wxRichTextEvent );
941 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK, wxRichTextEvent );
942 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_RETURN, wxRichTextEvent );
943 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_CHARACTER, wxRichTextEvent );
944 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_DELETE, wxRichTextEvent );
945
946 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING, wxRichTextEvent );
947 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED, wxRichTextEvent );
948 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, wxRichTextEvent );
949 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED, wxRichTextEvent );
950
951 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED, wxRichTextEvent );
952 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED, wxRichTextEvent );
953 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED, wxRichTextEvent );
954 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED, wxRichTextEvent );
955 wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_RICHTEXT, wxEVT_COMMAND_RICHTEXT_BUFFER_RESET, wxRichTextEvent );
956
957 typedef void (wxEvtHandler::*wxRichTextEventFunction)(wxRichTextEvent&);
958
959 #define wxRichTextEventHandler(func) \
960 wxEVENT_HANDLER_CAST(wxRichTextEventFunction, func)
961
962 #define EVT_RICHTEXT_LEFT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_LEFT_CLICK, id, -1, wxRichTextEventHandler( fn ), NULL ),
963 #define EVT_RICHTEXT_RIGHT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK, id, -1, wxRichTextEventHandler( fn ), NULL ),
964 #define EVT_RICHTEXT_MIDDLE_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK, id, -1, wxRichTextEventHandler( fn ), NULL ),
965 #define EVT_RICHTEXT_LEFT_DCLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK, id, -1, wxRichTextEventHandler( fn ), NULL ),
966 #define EVT_RICHTEXT_RETURN(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_RETURN, id, -1, wxRichTextEventHandler( fn ), NULL ),
967 #define EVT_RICHTEXT_CHARACTER(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_CHARACTER, id, -1, wxRichTextEventHandler( fn ), NULL ),
968 #define EVT_RICHTEXT_DELETE(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_DELETE, id, -1, wxRichTextEventHandler( fn ), NULL ),
969
970 #define EVT_RICHTEXT_STYLESHEET_CHANGING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING, id, -1, wxRichTextEventHandler( fn ), NULL ),
971 #define EVT_RICHTEXT_STYLESHEET_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED, id, -1, wxRichTextEventHandler( fn ), NULL ),
972 #define EVT_RICHTEXT_STYLESHEET_REPLACING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, id, -1, wxRichTextEventHandler( fn ), NULL ),
973 #define EVT_RICHTEXT_STYLESHEET_REPLACED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED, id, -1, wxRichTextEventHandler( fn ), NULL ),
974
975 #define EVT_RICHTEXT_CONTENT_INSERTED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED, id, -1, wxRichTextEventHandler( fn ), NULL ),
976 #define EVT_RICHTEXT_CONTENT_DELETED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED, id, -1, wxRichTextEventHandler( fn ), NULL ),
977 #define EVT_RICHTEXT_STYLE_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED, id, -1, wxRichTextEventHandler( fn ), NULL ),
978 #define EVT_RICHTEXT_SELECTION_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED, id, -1, wxRichTextEventHandler( fn ), NULL ),
979 #define EVT_RICHTEXT_BUFFER_RESET(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_RICHTEXT_BUFFER_RESET, id, -1, wxRichTextEventHandler( fn ), NULL ),
980
981 #endif
982 // wxUSE_RICHTEXT
983
984 #endif
985 // _WX_RICHTEXTCTRL_H_