| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/richtext/richeditctrl.cpp |
| 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 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | #if wxUSE_RICHTEXT |
| 20 | |
| 21 | #include "wx/richtext/richtextctrl.h" |
| 22 | #include "wx/richtext/richtextstyles.h" |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/wx.h" |
| 26 | #include "wx/settings.h" |
| 27 | #endif |
| 28 | |
| 29 | #include "wx/timer.h" |
| 30 | #include "wx/textfile.h" |
| 31 | #include "wx/ffile.h" |
| 32 | #include "wx/filename.h" |
| 33 | #include "wx/dcbuffer.h" |
| 34 | #include "wx/arrimpl.cpp" |
| 35 | #include "wx/fontenum.h" |
| 36 | #include "wx/accel.h" |
| 37 | |
| 38 | // DLL options compatibility check: |
| 39 | #include "wx/app.h" |
| 40 | WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl") |
| 41 | |
| 42 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_CLICK, wxRichTextEvent ); |
| 43 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK, wxRichTextEvent ); |
| 44 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK, wxRichTextEvent ); |
| 45 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK, wxRichTextEvent ); |
| 46 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RETURN, wxRichTextEvent ); |
| 47 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CHARACTER, wxRichTextEvent ); |
| 48 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_DELETE, wxRichTextEvent ); |
| 49 | |
| 50 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, wxRichTextEvent ); |
| 51 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED, wxRichTextEvent ); |
| 52 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING, wxRichTextEvent ); |
| 53 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED, wxRichTextEvent ); |
| 54 | |
| 55 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED, wxRichTextEvent ); |
| 56 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED, wxRichTextEvent ); |
| 57 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED, wxRichTextEvent ); |
| 58 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED, wxRichTextEvent ); |
| 59 | wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_BUFFER_RESET, wxRichTextEvent ); |
| 60 | |
| 61 | #if wxRICHTEXT_USE_OWN_CARET |
| 62 | |
| 63 | /*! |
| 64 | * wxRichTextCaret |
| 65 | * |
| 66 | * This implements a non-flashing cursor in case there |
| 67 | * are platform-specific problems with the generic caret. |
| 68 | * wxRICHTEXT_USE_OWN_CARET is set in richtextbuffer.h. |
| 69 | */ |
| 70 | |
| 71 | class wxRichTextCaret; |
| 72 | class wxRichTextCaretTimer: public wxTimer |
| 73 | { |
| 74 | public: |
| 75 | wxRichTextCaretTimer(wxRichTextCaret* caret) |
| 76 | { |
| 77 | m_caret = caret; |
| 78 | } |
| 79 | virtual void Notify(); |
| 80 | wxRichTextCaret* m_caret; |
| 81 | }; |
| 82 | |
| 83 | class wxRichTextCaret: public wxCaret |
| 84 | { |
| 85 | public: |
| 86 | // ctors |
| 87 | // ----- |
| 88 | // default - use Create() |
| 89 | wxRichTextCaret(): m_timer(this) { Init(); } |
| 90 | // creates a block caret associated with the given window |
| 91 | wxRichTextCaret(wxRichTextCtrl *window, int width, int height) |
| 92 | : wxCaret(window, width, height), m_timer(this) { Init(); m_richTextCtrl = window; } |
| 93 | wxRichTextCaret(wxRichTextCtrl *window, const wxSize& size) |
| 94 | : wxCaret(window, size), m_timer(this) { Init(); m_richTextCtrl = window; } |
| 95 | |
| 96 | virtual ~wxRichTextCaret(); |
| 97 | |
| 98 | // implementation |
| 99 | // -------------- |
| 100 | |
| 101 | // called by wxWindow (not using the event tables) |
| 102 | virtual void OnSetFocus(); |
| 103 | virtual void OnKillFocus(); |
| 104 | |
| 105 | // draw the caret on the given DC |
| 106 | void DoDraw(wxDC *dc); |
| 107 | |
| 108 | // get the visible count |
| 109 | int GetVisibleCount() const { return m_countVisible; } |
| 110 | |
| 111 | // delay repositioning |
| 112 | bool GetNeedsUpdate() const { return m_needsUpdate; } |
| 113 | void SetNeedsUpdate(bool needsUpdate = true ) { m_needsUpdate = needsUpdate; } |
| 114 | |
| 115 | void Notify(); |
| 116 | |
| 117 | protected: |
| 118 | virtual void DoShow(); |
| 119 | virtual void DoHide(); |
| 120 | virtual void DoMove(); |
| 121 | virtual void DoSize(); |
| 122 | |
| 123 | // refresh the caret |
| 124 | void Refresh(); |
| 125 | |
| 126 | private: |
| 127 | void Init(); |
| 128 | |
| 129 | int m_xOld, |
| 130 | m_yOld; |
| 131 | bool m_hasFocus; // true => our window has focus |
| 132 | bool m_needsUpdate; // must be repositioned |
| 133 | bool m_flashOn; |
| 134 | wxRichTextCaretTimer m_timer; |
| 135 | wxRichTextCtrl* m_richTextCtrl; |
| 136 | }; |
| 137 | #endif |
| 138 | |
| 139 | IMPLEMENT_DYNAMIC_CLASS( wxRichTextCtrl, wxTextCtrlBase ) |
| 140 | |
| 141 | IMPLEMENT_DYNAMIC_CLASS( wxRichTextEvent, wxNotifyEvent ) |
| 142 | |
| 143 | BEGIN_EVENT_TABLE( wxRichTextCtrl, wxTextCtrlBase ) |
| 144 | EVT_PAINT(wxRichTextCtrl::OnPaint) |
| 145 | EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground) |
| 146 | EVT_IDLE(wxRichTextCtrl::OnIdle) |
| 147 | EVT_SCROLLWIN(wxRichTextCtrl::OnScroll) |
| 148 | EVT_LEFT_DOWN(wxRichTextCtrl::OnLeftClick) |
| 149 | EVT_MOTION(wxRichTextCtrl::OnMoveMouse) |
| 150 | EVT_LEFT_UP(wxRichTextCtrl::OnLeftUp) |
| 151 | EVT_RIGHT_DOWN(wxRichTextCtrl::OnRightClick) |
| 152 | EVT_MIDDLE_DOWN(wxRichTextCtrl::OnMiddleClick) |
| 153 | EVT_LEFT_DCLICK(wxRichTextCtrl::OnLeftDClick) |
| 154 | EVT_CHAR(wxRichTextCtrl::OnChar) |
| 155 | EVT_KEY_DOWN(wxRichTextCtrl::OnChar) |
| 156 | EVT_SIZE(wxRichTextCtrl::OnSize) |
| 157 | EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus) |
| 158 | EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus) |
| 159 | EVT_MOUSE_CAPTURE_LOST(wxRichTextCtrl::OnCaptureLost) |
| 160 | EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu) |
| 161 | EVT_SYS_COLOUR_CHANGED(wxRichTextCtrl::OnSysColourChanged) |
| 162 | |
| 163 | EVT_MENU(wxID_UNDO, wxRichTextCtrl::OnUndo) |
| 164 | EVT_UPDATE_UI(wxID_UNDO, wxRichTextCtrl::OnUpdateUndo) |
| 165 | |
| 166 | EVT_MENU(wxID_REDO, wxRichTextCtrl::OnRedo) |
| 167 | EVT_UPDATE_UI(wxID_REDO, wxRichTextCtrl::OnUpdateRedo) |
| 168 | |
| 169 | EVT_MENU(wxID_COPY, wxRichTextCtrl::OnCopy) |
| 170 | EVT_UPDATE_UI(wxID_COPY, wxRichTextCtrl::OnUpdateCopy) |
| 171 | |
| 172 | EVT_MENU(wxID_PASTE, wxRichTextCtrl::OnPaste) |
| 173 | EVT_UPDATE_UI(wxID_PASTE, wxRichTextCtrl::OnUpdatePaste) |
| 174 | |
| 175 | EVT_MENU(wxID_CUT, wxRichTextCtrl::OnCut) |
| 176 | EVT_UPDATE_UI(wxID_CUT, wxRichTextCtrl::OnUpdateCut) |
| 177 | |
| 178 | EVT_MENU(wxID_CLEAR, wxRichTextCtrl::OnClear) |
| 179 | EVT_UPDATE_UI(wxID_CLEAR, wxRichTextCtrl::OnUpdateClear) |
| 180 | |
| 181 | EVT_MENU(wxID_SELECTALL, wxRichTextCtrl::OnSelectAll) |
| 182 | EVT_UPDATE_UI(wxID_SELECTALL, wxRichTextCtrl::OnUpdateSelectAll) |
| 183 | END_EVENT_TABLE() |
| 184 | |
| 185 | /*! |
| 186 | * wxRichTextCtrl |
| 187 | */ |
| 188 | |
| 189 | wxArrayString wxRichTextCtrl::sm_availableFontNames; |
| 190 | |
| 191 | wxRichTextCtrl::wxRichTextCtrl() |
| 192 | : wxScrollHelper(this) |
| 193 | { |
| 194 | Init(); |
| 195 | } |
| 196 | |
| 197 | wxRichTextCtrl::wxRichTextCtrl(wxWindow* parent, |
| 198 | wxWindowID id, |
| 199 | const wxString& value, |
| 200 | const wxPoint& pos, |
| 201 | const wxSize& size, |
| 202 | long style, |
| 203 | const wxValidator& validator, |
| 204 | const wxString& name) |
| 205 | : wxScrollHelper(this) |
| 206 | { |
| 207 | Init(); |
| 208 | Create(parent, id, value, pos, size, style, validator, name); |
| 209 | } |
| 210 | |
| 211 | /// Creation |
| 212 | bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style, |
| 213 | const wxValidator& validator, const wxString& name) |
| 214 | { |
| 215 | style |= wxVSCROLL; |
| 216 | |
| 217 | if (!wxTextCtrlBase::Create(parent, id, pos, size, |
| 218 | style|wxFULL_REPAINT_ON_RESIZE, |
| 219 | validator, name)) |
| 220 | return false; |
| 221 | |
| 222 | if (!GetFont().Ok()) |
| 223 | { |
| 224 | SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); |
| 225 | } |
| 226 | |
| 227 | // No physical scrolling, so we can preserve margins |
| 228 | EnableScrolling(false, false); |
| 229 | |
| 230 | if (style & wxTE_READONLY) |
| 231 | SetEditable(false); |
| 232 | |
| 233 | // The base attributes must all have default values |
| 234 | wxTextAttr attributes; |
| 235 | attributes.SetFont(GetFont()); |
| 236 | attributes.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)); |
| 237 | attributes.SetAlignment(wxTEXT_ALIGNMENT_LEFT); |
| 238 | attributes.SetLineSpacing(10); |
| 239 | attributes.SetParagraphSpacingAfter(10); |
| 240 | attributes.SetParagraphSpacingBefore(0); |
| 241 | |
| 242 | SetBasicStyle(attributes); |
| 243 | |
| 244 | // The default attributes will be merged with base attributes, so |
| 245 | // can be empty to begin with |
| 246 | wxTextAttr defaultAttributes; |
| 247 | SetDefaultStyle(defaultAttributes); |
| 248 | |
| 249 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
| 250 | SetBackgroundStyle(wxBG_STYLE_CUSTOM); |
| 251 | |
| 252 | GetBuffer().Reset(); |
| 253 | GetBuffer().SetRichTextCtrl(this); |
| 254 | |
| 255 | #if wxRICHTEXT_USE_OWN_CARET |
| 256 | SetCaret(new wxRichTextCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16)); |
| 257 | #else |
| 258 | SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16)); |
| 259 | #endif |
| 260 | |
| 261 | // Tell the sizers to use the given or best size |
| 262 | SetInitialSize(size); |
| 263 | |
| 264 | #if wxRICHTEXT_BUFFERED_PAINTING |
| 265 | // Create a buffer |
| 266 | RecreateBuffer(size); |
| 267 | #endif |
| 268 | |
| 269 | m_textCursor = wxCursor(wxCURSOR_IBEAM); |
| 270 | m_urlCursor = wxCursor(wxCURSOR_HAND); |
| 271 | |
| 272 | SetCursor(m_textCursor); |
| 273 | |
| 274 | if (!value.IsEmpty()) |
| 275 | SetValue(value); |
| 276 | |
| 277 | GetBuffer().AddEventHandler(this); |
| 278 | |
| 279 | // Accelerators |
| 280 | wxAcceleratorEntry entries[6]; |
| 281 | |
| 282 | entries[0].Set(wxACCEL_CMD, (int) 'C', wxID_COPY); |
| 283 | entries[1].Set(wxACCEL_CMD, (int) 'X', wxID_CUT); |
| 284 | entries[2].Set(wxACCEL_CMD, (int) 'V', wxID_PASTE); |
| 285 | entries[3].Set(wxACCEL_CMD, (int) 'A', wxID_SELECTALL); |
| 286 | entries[4].Set(wxACCEL_CMD, (int) 'Z', wxID_UNDO); |
| 287 | entries[5].Set(wxACCEL_CMD, (int) 'Y', wxID_REDO); |
| 288 | |
| 289 | wxAcceleratorTable accel(6, entries); |
| 290 | SetAcceleratorTable(accel); |
| 291 | |
| 292 | return true; |
| 293 | } |
| 294 | |
| 295 | wxRichTextCtrl::~wxRichTextCtrl() |
| 296 | { |
| 297 | GetBuffer().RemoveEventHandler(this); |
| 298 | |
| 299 | delete m_contextMenu; |
| 300 | } |
| 301 | |
| 302 | /// Member initialisation |
| 303 | void wxRichTextCtrl::Init() |
| 304 | { |
| 305 | m_contextMenu = NULL; |
| 306 | m_caret = NULL; |
| 307 | m_caretPosition = -1; |
| 308 | m_selectionRange.SetRange(-2, -2); |
| 309 | m_selectionAnchor = -2; |
| 310 | m_editable = true; |
| 311 | m_caretAtLineStart = false; |
| 312 | m_dragging = false; |
| 313 | m_fullLayoutRequired = false; |
| 314 | m_fullLayoutTime = 0; |
| 315 | m_fullLayoutSavedPosition = 0; |
| 316 | m_delayedLayoutThreshold = wxRICHTEXT_DEFAULT_DELAYED_LAYOUT_THRESHOLD; |
| 317 | m_caretPositionForDefaultStyle = -2; |
| 318 | } |
| 319 | |
| 320 | void wxRichTextCtrl::DoThaw() |
| 321 | { |
| 322 | if (GetBuffer().GetDirty()) |
| 323 | LayoutContent(); |
| 324 | else |
| 325 | SetupScrollbars(); |
| 326 | |
| 327 | wxWindow::DoThaw(); |
| 328 | } |
| 329 | |
| 330 | /// Clear all text |
| 331 | void wxRichTextCtrl::Clear() |
| 332 | { |
| 333 | m_buffer.ResetAndClearCommands(); |
| 334 | m_buffer.SetDirty(true); |
| 335 | m_caretPosition = -1; |
| 336 | m_caretPositionForDefaultStyle = -2; |
| 337 | m_caretAtLineStart = false; |
| 338 | m_selectionRange.SetRange(-2, -2); |
| 339 | |
| 340 | Scroll(0,0); |
| 341 | |
| 342 | if (!IsFrozen()) |
| 343 | { |
| 344 | LayoutContent(); |
| 345 | Refresh(false); |
| 346 | } |
| 347 | |
| 348 | wxTextCtrl::SendTextUpdatedEvent(this); |
| 349 | } |
| 350 | |
| 351 | /// Painting |
| 352 | void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event)) |
| 353 | { |
| 354 | #if !wxRICHTEXT_USE_OWN_CARET |
| 355 | if (GetCaret() && !IsFrozen()) |
| 356 | GetCaret()->Hide(); |
| 357 | #endif |
| 358 | |
| 359 | { |
| 360 | #if wxRICHTEXT_BUFFERED_PAINTING |
| 361 | wxBufferedPaintDC dc(this, m_bufferBitmap); |
| 362 | #else |
| 363 | wxPaintDC dc(this); |
| 364 | #endif |
| 365 | |
| 366 | if (IsFrozen()) |
| 367 | return; |
| 368 | |
| 369 | PrepareDC(dc); |
| 370 | |
| 371 | dc.SetFont(GetFont()); |
| 372 | |
| 373 | // Paint the background |
| 374 | PaintBackground(dc); |
| 375 | |
| 376 | // wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize()); |
| 377 | |
| 378 | wxRect drawingArea(GetUpdateRegion().GetBox()); |
| 379 | drawingArea.SetPosition(GetLogicalPoint(drawingArea.GetPosition())); |
| 380 | |
| 381 | wxRect availableSpace(GetClientSize()); |
| 382 | if (GetBuffer().GetDirty()) |
| 383 | { |
| 384 | GetBuffer().Layout(dc, availableSpace, wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT); |
| 385 | GetBuffer().SetDirty(false); |
| 386 | SetupScrollbars(); |
| 387 | } |
| 388 | |
| 389 | wxRect clipRect(availableSpace); |
| 390 | clipRect.x += GetBuffer().GetLeftMargin(); |
| 391 | clipRect.y += GetBuffer().GetTopMargin(); |
| 392 | clipRect.width -= (GetBuffer().GetLeftMargin() + GetBuffer().GetRightMargin()); |
| 393 | clipRect.height -= (GetBuffer().GetTopMargin() + GetBuffer().GetBottomMargin()); |
| 394 | clipRect.SetPosition(GetLogicalPoint(clipRect.GetPosition())); |
| 395 | dc.SetClippingRegion(clipRect); |
| 396 | |
| 397 | GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */); |
| 398 | |
| 399 | dc.DestroyClippingRegion(); |
| 400 | |
| 401 | #if wxRICHTEXT_USE_OWN_CARET |
| 402 | if (GetCaret()->IsVisible()) |
| 403 | { |
| 404 | ((wxRichTextCaret*) GetCaret())->DoDraw(& dc); |
| 405 | } |
| 406 | #endif |
| 407 | } |
| 408 | |
| 409 | #if !wxRICHTEXT_USE_OWN_CARET |
| 410 | if (GetCaret()) |
| 411 | GetCaret()->Show(); |
| 412 | PositionCaret(); |
| 413 | #endif |
| 414 | } |
| 415 | |
| 416 | // Empty implementation, to prevent flicker |
| 417 | void wxRichTextCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) |
| 418 | { |
| 419 | } |
| 420 | |
| 421 | void wxRichTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event)) |
| 422 | { |
| 423 | if (GetCaret()) |
| 424 | { |
| 425 | #if !wxRICHTEXT_USE_OWN_CARET |
| 426 | PositionCaret(); |
| 427 | #endif |
| 428 | GetCaret()->Show(); |
| 429 | } |
| 430 | |
| 431 | #if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET |
| 432 | // Work around dropouts when control is focused |
| 433 | if (!IsFrozen()) |
| 434 | { |
| 435 | Refresh(false); |
| 436 | } |
| 437 | #endif |
| 438 | } |
| 439 | |
| 440 | void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event)) |
| 441 | { |
| 442 | if (GetCaret()) |
| 443 | GetCaret()->Hide(); |
| 444 | |
| 445 | #if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET |
| 446 | // Work around dropouts when control is focused |
| 447 | if (!IsFrozen()) |
| 448 | { |
| 449 | Refresh(false); |
| 450 | } |
| 451 | #endif |
| 452 | } |
| 453 | |
| 454 | void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event)) |
| 455 | { |
| 456 | m_dragging = false; |
| 457 | } |
| 458 | |
| 459 | /// Left-click |
| 460 | void wxRichTextCtrl::OnLeftClick(wxMouseEvent& event) |
| 461 | { |
| 462 | SetFocus(); |
| 463 | |
| 464 | wxClientDC dc(this); |
| 465 | PrepareDC(dc); |
| 466 | dc.SetFont(GetFont()); |
| 467 | |
| 468 | long position = 0; |
| 469 | int hit = GetBuffer().HitTest(dc, event.GetLogicalPosition(dc), position); |
| 470 | |
| 471 | if (hit != wxRICHTEXT_HITTEST_NONE) |
| 472 | { |
| 473 | m_dragStart = event.GetLogicalPosition(dc); |
| 474 | m_dragging = true; |
| 475 | CaptureMouse(); |
| 476 | |
| 477 | bool caretAtLineStart = false; |
| 478 | |
| 479 | if (hit & wxRICHTEXT_HITTEST_BEFORE) |
| 480 | { |
| 481 | // If we're at the start of a line (but not first in para) |
| 482 | // then we should keep the caret showing at the start of the line |
| 483 | // by showing the m_caretAtLineStart flag. |
| 484 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position); |
| 485 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(position); |
| 486 | |
| 487 | if (line && para && line->GetAbsoluteRange().GetStart() == position && para->GetRange().GetStart() != position) |
| 488 | caretAtLineStart = true; |
| 489 | position --; |
| 490 | } |
| 491 | |
| 492 | long oldCaretPos = m_caretPosition; |
| 493 | |
| 494 | MoveCaret(position, caretAtLineStart); |
| 495 | SetDefaultStyleToCursorStyle(); |
| 496 | |
| 497 | if (event.ShiftDown()) |
| 498 | { |
| 499 | if (m_selectionRange.GetStart() == -2) |
| 500 | ExtendSelection(oldCaretPos, m_caretPosition, wxRICHTEXT_SHIFT_DOWN); |
| 501 | else |
| 502 | ExtendSelection(m_caretPosition, m_caretPosition, wxRICHTEXT_SHIFT_DOWN); |
| 503 | } |
| 504 | else |
| 505 | SelectNone(); |
| 506 | } |
| 507 | |
| 508 | event.Skip(); |
| 509 | } |
| 510 | |
| 511 | /// Left-up |
| 512 | void wxRichTextCtrl::OnLeftUp(wxMouseEvent& event) |
| 513 | { |
| 514 | if (m_dragging) |
| 515 | { |
| 516 | m_dragging = false; |
| 517 | if (GetCapture() == this) |
| 518 | ReleaseMouse(); |
| 519 | |
| 520 | // See if we clicked on a URL |
| 521 | wxClientDC dc(this); |
| 522 | PrepareDC(dc); |
| 523 | dc.SetFont(GetFont()); |
| 524 | |
| 525 | long position = 0; |
| 526 | wxPoint logicalPt = event.GetLogicalPosition(dc); |
| 527 | int hit = GetBuffer().HitTest(dc, logicalPt, position); |
| 528 | |
| 529 | if ((hit != wxRICHTEXT_HITTEST_NONE) && !(hit & wxRICHTEXT_HITTEST_OUTSIDE)) |
| 530 | { |
| 531 | wxRichTextEvent cmdEvent( |
| 532 | wxEVT_COMMAND_RICHTEXT_LEFT_CLICK, |
| 533 | GetId()); |
| 534 | cmdEvent.SetEventObject(this); |
| 535 | cmdEvent.SetPosition(m_caretPosition+1); |
| 536 | |
| 537 | if (!GetEventHandler()->ProcessEvent(cmdEvent)) |
| 538 | { |
| 539 | wxTextAttr attr; |
| 540 | if (GetStyle(position, attr)) |
| 541 | { |
| 542 | if (attr.HasFlag(wxTEXT_ATTR_URL)) |
| 543 | { |
| 544 | wxString urlTarget = attr.GetURL(); |
| 545 | if (!urlTarget.IsEmpty()) |
| 546 | { |
| 547 | wxMouseEvent mouseEvent(event); |
| 548 | |
| 549 | long startPos = 0, endPos = 0; |
| 550 | wxRichTextObject* obj = GetBuffer().GetLeafObjectAtPosition(position); |
| 551 | if (obj) |
| 552 | { |
| 553 | startPos = obj->GetRange().GetStart(); |
| 554 | endPos = obj->GetRange().GetEnd(); |
| 555 | } |
| 556 | |
| 557 | wxTextUrlEvent urlEvent(GetId(), mouseEvent, startPos, endPos); |
| 558 | InitCommandEvent(urlEvent); |
| 559 | |
| 560 | urlEvent.SetString(urlTarget); |
| 561 | |
| 562 | GetEventHandler()->ProcessEvent(urlEvent); |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | } |
| 567 | } |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | /// Left-click |
| 572 | void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event) |
| 573 | { |
| 574 | wxClientDC dc(this); |
| 575 | PrepareDC(dc); |
| 576 | dc.SetFont(GetFont()); |
| 577 | |
| 578 | long position = 0; |
| 579 | wxPoint logicalPt = event.GetLogicalPosition(dc); |
| 580 | int hit = GetBuffer().HitTest(dc, logicalPt, position); |
| 581 | |
| 582 | // See if we need to change the cursor |
| 583 | |
| 584 | { |
| 585 | if (hit != wxRICHTEXT_HITTEST_NONE && !(hit & wxRICHTEXT_HITTEST_OUTSIDE)) |
| 586 | { |
| 587 | wxTextAttr attr; |
| 588 | if (GetStyle(position, attr)) |
| 589 | { |
| 590 | if (attr.HasFlag(wxTEXT_ATTR_URL)) |
| 591 | { |
| 592 | SetCursor(m_urlCursor); |
| 593 | } |
| 594 | else if (!attr.HasFlag(wxTEXT_ATTR_URL)) |
| 595 | { |
| 596 | SetCursor(m_textCursor); |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | else |
| 601 | SetCursor(m_textCursor); |
| 602 | } |
| 603 | |
| 604 | if (!event.Dragging()) |
| 605 | { |
| 606 | event.Skip(); |
| 607 | return; |
| 608 | } |
| 609 | |
| 610 | if (m_dragging && hit != wxRICHTEXT_HITTEST_NONE) |
| 611 | { |
| 612 | // TODO: test closeness |
| 613 | |
| 614 | bool caretAtLineStart = false; |
| 615 | |
| 616 | if (hit & wxRICHTEXT_HITTEST_BEFORE) |
| 617 | { |
| 618 | // If we're at the start of a line (but not first in para) |
| 619 | // then we should keep the caret showing at the start of the line |
| 620 | // by showing the m_caretAtLineStart flag. |
| 621 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position); |
| 622 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(position); |
| 623 | |
| 624 | if (line && para && line->GetAbsoluteRange().GetStart() == position && para->GetRange().GetStart() != position) |
| 625 | caretAtLineStart = true; |
| 626 | position --; |
| 627 | } |
| 628 | |
| 629 | if (m_caretPosition != position) |
| 630 | { |
| 631 | ExtendSelection(m_caretPosition, position, wxRICHTEXT_SHIFT_DOWN); |
| 632 | |
| 633 | MoveCaret(position, caretAtLineStart); |
| 634 | SetDefaultStyleToCursorStyle(); |
| 635 | } |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | /// Right-click |
| 640 | void wxRichTextCtrl::OnRightClick(wxMouseEvent& event) |
| 641 | { |
| 642 | SetFocus(); |
| 643 | |
| 644 | wxRichTextEvent cmdEvent( |
| 645 | wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK, |
| 646 | GetId()); |
| 647 | cmdEvent.SetEventObject(this); |
| 648 | cmdEvent.SetPosition(m_caretPosition+1); |
| 649 | |
| 650 | if (!GetEventHandler()->ProcessEvent(cmdEvent)) |
| 651 | event.Skip(); |
| 652 | } |
| 653 | |
| 654 | /// Left-double-click |
| 655 | void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& WXUNUSED(event)) |
| 656 | { |
| 657 | wxRichTextEvent cmdEvent( |
| 658 | wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK, |
| 659 | GetId()); |
| 660 | cmdEvent.SetEventObject(this); |
| 661 | cmdEvent.SetPosition(m_caretPosition+1); |
| 662 | |
| 663 | if (!GetEventHandler()->ProcessEvent(cmdEvent)) |
| 664 | { |
| 665 | SelectWord(GetCaretPosition()+1); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | /// Middle-click |
| 670 | void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event) |
| 671 | { |
| 672 | wxRichTextEvent cmdEvent( |
| 673 | wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK, |
| 674 | GetId()); |
| 675 | cmdEvent.SetEventObject(this); |
| 676 | cmdEvent.SetPosition(m_caretPosition+1); |
| 677 | |
| 678 | if (!GetEventHandler()->ProcessEvent(cmdEvent)) |
| 679 | event.Skip(); |
| 680 | } |
| 681 | |
| 682 | /// Key press |
| 683 | void wxRichTextCtrl::OnChar(wxKeyEvent& event) |
| 684 | { |
| 685 | int flags = 0; |
| 686 | if (event.CmdDown()) |
| 687 | flags |= wxRICHTEXT_CTRL_DOWN; |
| 688 | if (event.ShiftDown()) |
| 689 | flags |= wxRICHTEXT_SHIFT_DOWN; |
| 690 | if (event.AltDown()) |
| 691 | flags |= wxRICHTEXT_ALT_DOWN; |
| 692 | |
| 693 | if (event.GetEventType() == wxEVT_KEY_DOWN) |
| 694 | { |
| 695 | if (event.GetKeyCode() == WXK_LEFT || |
| 696 | event.GetKeyCode() == WXK_RIGHT || |
| 697 | event.GetKeyCode() == WXK_UP || |
| 698 | event.GetKeyCode() == WXK_DOWN || |
| 699 | event.GetKeyCode() == WXK_HOME || |
| 700 | event.GetKeyCode() == WXK_PAGEUP || |
| 701 | event.GetKeyCode() == WXK_PAGEDOWN || |
| 702 | event.GetKeyCode() == WXK_END || |
| 703 | |
| 704 | event.GetKeyCode() == WXK_NUMPAD_LEFT || |
| 705 | event.GetKeyCode() == WXK_NUMPAD_RIGHT || |
| 706 | event.GetKeyCode() == WXK_NUMPAD_UP || |
| 707 | event.GetKeyCode() == WXK_NUMPAD_DOWN || |
| 708 | event.GetKeyCode() == WXK_NUMPAD_HOME || |
| 709 | event.GetKeyCode() == WXK_NUMPAD_PAGEUP || |
| 710 | event.GetKeyCode() == WXK_NUMPAD_PAGEDOWN || |
| 711 | event.GetKeyCode() == WXK_NUMPAD_END) |
| 712 | { |
| 713 | KeyboardNavigate(event.GetKeyCode(), flags); |
| 714 | return; |
| 715 | } |
| 716 | |
| 717 | long keycode = event.GetKeyCode(); |
| 718 | switch ( keycode ) |
| 719 | { |
| 720 | case WXK_ESCAPE: |
| 721 | case WXK_START: |
| 722 | case WXK_LBUTTON: |
| 723 | case WXK_RBUTTON: |
| 724 | case WXK_CANCEL: |
| 725 | case WXK_MBUTTON: |
| 726 | case WXK_CLEAR: |
| 727 | case WXK_SHIFT: |
| 728 | case WXK_ALT: |
| 729 | case WXK_CONTROL: |
| 730 | case WXK_MENU: |
| 731 | case WXK_PAUSE: |
| 732 | case WXK_CAPITAL: |
| 733 | case WXK_END: |
| 734 | case WXK_HOME: |
| 735 | case WXK_LEFT: |
| 736 | case WXK_UP: |
| 737 | case WXK_RIGHT: |
| 738 | case WXK_DOWN: |
| 739 | case WXK_SELECT: |
| 740 | case WXK_PRINT: |
| 741 | case WXK_EXECUTE: |
| 742 | case WXK_SNAPSHOT: |
| 743 | case WXK_INSERT: |
| 744 | case WXK_HELP: |
| 745 | case WXK_F1: |
| 746 | case WXK_F2: |
| 747 | case WXK_F3: |
| 748 | case WXK_F4: |
| 749 | case WXK_F5: |
| 750 | case WXK_F6: |
| 751 | case WXK_F7: |
| 752 | case WXK_F8: |
| 753 | case WXK_F9: |
| 754 | case WXK_F10: |
| 755 | case WXK_F11: |
| 756 | case WXK_F12: |
| 757 | case WXK_F13: |
| 758 | case WXK_F14: |
| 759 | case WXK_F15: |
| 760 | case WXK_F16: |
| 761 | case WXK_F17: |
| 762 | case WXK_F18: |
| 763 | case WXK_F19: |
| 764 | case WXK_F20: |
| 765 | case WXK_F21: |
| 766 | case WXK_F22: |
| 767 | case WXK_F23: |
| 768 | case WXK_F24: |
| 769 | case WXK_NUMLOCK: |
| 770 | case WXK_SCROLL: |
| 771 | case WXK_PAGEUP: |
| 772 | case WXK_PAGEDOWN: |
| 773 | case WXK_NUMPAD_F1: |
| 774 | case WXK_NUMPAD_F2: |
| 775 | case WXK_NUMPAD_F3: |
| 776 | case WXK_NUMPAD_F4: |
| 777 | case WXK_NUMPAD_HOME: |
| 778 | case WXK_NUMPAD_LEFT: |
| 779 | case WXK_NUMPAD_UP: |
| 780 | case WXK_NUMPAD_RIGHT: |
| 781 | case WXK_NUMPAD_DOWN: |
| 782 | case WXK_NUMPAD_PAGEUP: |
| 783 | case WXK_NUMPAD_PAGEDOWN: |
| 784 | case WXK_NUMPAD_END: |
| 785 | case WXK_NUMPAD_BEGIN: |
| 786 | case WXK_NUMPAD_INSERT: |
| 787 | case WXK_NUMPAD_DELETE: |
| 788 | case WXK_WINDOWS_LEFT: |
| 789 | { |
| 790 | return; |
| 791 | } |
| 792 | default: |
| 793 | { |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | // Must process this before translation, otherwise it's translated into a WXK_DELETE event. |
| 798 | if (event.CmdDown() && event.GetKeyCode() == WXK_BACK) |
| 799 | { |
| 800 | BeginBatchUndo(_("Delete Text")); |
| 801 | |
| 802 | long newPos = m_caretPosition; |
| 803 | |
| 804 | bool processed = DeleteSelectedContent(& newPos); |
| 805 | |
| 806 | // Submit range in character positions, which are greater than caret positions, |
| 807 | // so subtract 1 for deleted character and add 1 for conversion to character position. |
| 808 | if (newPos > -1) |
| 809 | { |
| 810 | if (event.CmdDown()) |
| 811 | { |
| 812 | long pos = wxRichTextCtrl::FindNextWordPosition(-1); |
| 813 | if (pos < newPos) |
| 814 | { |
| 815 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(pos+1, newPos), this); |
| 816 | processed = true; |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | if (!processed) |
| 821 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos, newPos), this); |
| 822 | } |
| 823 | |
| 824 | EndBatchUndo(); |
| 825 | |
| 826 | if (GetLastPosition() == -1) |
| 827 | { |
| 828 | GetBuffer().Reset(); |
| 829 | |
| 830 | m_caretPosition = -1; |
| 831 | PositionCaret(); |
| 832 | SetDefaultStyleToCursorStyle(); |
| 833 | } |
| 834 | |
| 835 | ScrollIntoView(m_caretPosition, WXK_LEFT); |
| 836 | |
| 837 | wxRichTextEvent cmdEvent( |
| 838 | wxEVT_COMMAND_RICHTEXT_DELETE, |
| 839 | GetId()); |
| 840 | cmdEvent.SetEventObject(this); |
| 841 | cmdEvent.SetFlags(flags); |
| 842 | cmdEvent.SetPosition(m_caretPosition+1); |
| 843 | GetEventHandler()->ProcessEvent(cmdEvent); |
| 844 | |
| 845 | Update(); |
| 846 | } |
| 847 | else |
| 848 | event.Skip(); |
| 849 | |
| 850 | return; |
| 851 | } |
| 852 | |
| 853 | // all the other keys modify the controls contents which shouldn't be |
| 854 | // possible if we're read-only |
| 855 | if ( !IsEditable() ) |
| 856 | { |
| 857 | event.Skip(); |
| 858 | return; |
| 859 | } |
| 860 | |
| 861 | if (event.GetKeyCode() == WXK_RETURN) |
| 862 | { |
| 863 | BeginBatchUndo(_("Insert Text")); |
| 864 | |
| 865 | long newPos = m_caretPosition; |
| 866 | |
| 867 | DeleteSelectedContent(& newPos); |
| 868 | |
| 869 | if (event.ShiftDown()) |
| 870 | { |
| 871 | wxString text; |
| 872 | text = wxRichTextLineBreakChar; |
| 873 | GetBuffer().InsertTextWithUndo(newPos+1, text, this); |
| 874 | m_caretAtLineStart = true; |
| 875 | PositionCaret(); |
| 876 | } |
| 877 | else |
| 878 | GetBuffer().InsertNewlineWithUndo(newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE|wxRICHTEXT_INSERT_INTERACTIVE); |
| 879 | |
| 880 | EndBatchUndo(); |
| 881 | SetDefaultStyleToCursorStyle(); |
| 882 | |
| 883 | ScrollIntoView(m_caretPosition, WXK_RIGHT); |
| 884 | |
| 885 | wxRichTextEvent cmdEvent( |
| 886 | wxEVT_COMMAND_RICHTEXT_RETURN, |
| 887 | GetId()); |
| 888 | cmdEvent.SetEventObject(this); |
| 889 | cmdEvent.SetFlags(flags); |
| 890 | cmdEvent.SetPosition(newPos+1); |
| 891 | |
| 892 | if (!GetEventHandler()->ProcessEvent(cmdEvent)) |
| 893 | { |
| 894 | // Generate conventional event |
| 895 | wxCommandEvent textEvent(wxEVT_COMMAND_TEXT_ENTER, GetId()); |
| 896 | InitCommandEvent(textEvent); |
| 897 | |
| 898 | GetEventHandler()->ProcessEvent(textEvent); |
| 899 | } |
| 900 | Update(); |
| 901 | } |
| 902 | else if (event.GetKeyCode() == WXK_BACK) |
| 903 | { |
| 904 | BeginBatchUndo(_("Delete Text")); |
| 905 | |
| 906 | long newPos = m_caretPosition; |
| 907 | |
| 908 | bool processed = DeleteSelectedContent(& newPos); |
| 909 | |
| 910 | // Submit range in character positions, which are greater than caret positions, |
| 911 | // so subtract 1 for deleted character and add 1 for conversion to character position. |
| 912 | if (newPos > -1) |
| 913 | { |
| 914 | if (event.CmdDown()) |
| 915 | { |
| 916 | long pos = wxRichTextCtrl::FindNextWordPosition(-1); |
| 917 | if (pos < newPos) |
| 918 | { |
| 919 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(pos+1, newPos), this); |
| 920 | processed = true; |
| 921 | } |
| 922 | } |
| 923 | |
| 924 | if (!processed) |
| 925 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos, newPos), this); |
| 926 | } |
| 927 | |
| 928 | EndBatchUndo(); |
| 929 | |
| 930 | if (GetLastPosition() == -1) |
| 931 | { |
| 932 | GetBuffer().Reset(); |
| 933 | |
| 934 | m_caretPosition = -1; |
| 935 | PositionCaret(); |
| 936 | SetDefaultStyleToCursorStyle(); |
| 937 | } |
| 938 | |
| 939 | ScrollIntoView(m_caretPosition, WXK_LEFT); |
| 940 | |
| 941 | wxRichTextEvent cmdEvent( |
| 942 | wxEVT_COMMAND_RICHTEXT_DELETE, |
| 943 | GetId()); |
| 944 | cmdEvent.SetEventObject(this); |
| 945 | cmdEvent.SetFlags(flags); |
| 946 | cmdEvent.SetPosition(m_caretPosition+1); |
| 947 | GetEventHandler()->ProcessEvent(cmdEvent); |
| 948 | |
| 949 | Update(); |
| 950 | } |
| 951 | else if (event.GetKeyCode() == WXK_DELETE) |
| 952 | { |
| 953 | BeginBatchUndo(_("Delete Text")); |
| 954 | |
| 955 | long newPos = m_caretPosition; |
| 956 | |
| 957 | bool processed = DeleteSelectedContent(& newPos); |
| 958 | |
| 959 | // Submit range in character positions, which are greater than caret positions, |
| 960 | if (newPos < GetBuffer().GetRange().GetEnd()+1) |
| 961 | { |
| 962 | if (event.CmdDown()) |
| 963 | { |
| 964 | long pos = wxRichTextCtrl::FindNextWordPosition(1); |
| 965 | if (pos != -1 && (pos > newPos)) |
| 966 | { |
| 967 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos+1, pos), this); |
| 968 | processed = true; |
| 969 | } |
| 970 | } |
| 971 | |
| 972 | if (!processed) |
| 973 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos+1, newPos+1), this); |
| 974 | } |
| 975 | |
| 976 | EndBatchUndo(); |
| 977 | |
| 978 | if (GetLastPosition() == -1) |
| 979 | { |
| 980 | GetBuffer().Reset(); |
| 981 | |
| 982 | m_caretPosition = -1; |
| 983 | PositionCaret(); |
| 984 | SetDefaultStyleToCursorStyle(); |
| 985 | } |
| 986 | |
| 987 | wxRichTextEvent cmdEvent( |
| 988 | wxEVT_COMMAND_RICHTEXT_DELETE, |
| 989 | GetId()); |
| 990 | cmdEvent.SetEventObject(this); |
| 991 | cmdEvent.SetFlags(flags); |
| 992 | cmdEvent.SetPosition(m_caretPosition+1); |
| 993 | GetEventHandler()->ProcessEvent(cmdEvent); |
| 994 | |
| 995 | Update(); |
| 996 | } |
| 997 | else |
| 998 | { |
| 999 | long keycode = event.GetKeyCode(); |
| 1000 | switch ( keycode ) |
| 1001 | { |
| 1002 | case WXK_ESCAPE: |
| 1003 | { |
| 1004 | event.Skip(); |
| 1005 | return; |
| 1006 | } |
| 1007 | |
| 1008 | default: |
| 1009 | { |
| 1010 | #ifdef __WXMAC__ |
| 1011 | if (event.CmdDown()) |
| 1012 | #else |
| 1013 | // Fixes AltGr+key with European input languages on Windows |
| 1014 | if ((event.CmdDown() && !event.AltDown()) || (event.AltDown() && !event.CmdDown())) |
| 1015 | #endif |
| 1016 | { |
| 1017 | event.Skip(); |
| 1018 | return; |
| 1019 | } |
| 1020 | |
| 1021 | wxRichTextEvent cmdEvent( |
| 1022 | wxEVT_COMMAND_RICHTEXT_CHARACTER, |
| 1023 | GetId()); |
| 1024 | cmdEvent.SetEventObject(this); |
| 1025 | cmdEvent.SetFlags(flags); |
| 1026 | #if wxUSE_UNICODE |
| 1027 | cmdEvent.SetCharacter(event.GetUnicodeKey()); |
| 1028 | #else |
| 1029 | cmdEvent.SetCharacter((wxChar) keycode); |
| 1030 | #endif |
| 1031 | cmdEvent.SetPosition(m_caretPosition+1); |
| 1032 | |
| 1033 | if (keycode == wxT('\t')) |
| 1034 | { |
| 1035 | // See if we need to promote or demote the selection or paragraph at the cursor |
| 1036 | // position, instead of inserting a tab. |
| 1037 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 1038 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos); |
| 1039 | if (para && para->GetRange().GetStart() == pos && para->GetAttributes().HasListStyleName()) |
| 1040 | { |
| 1041 | wxRichTextRange range; |
| 1042 | if (HasSelection()) |
| 1043 | range = GetSelectionRange(); |
| 1044 | else |
| 1045 | range = para->GetRange().FromInternal(); |
| 1046 | |
| 1047 | int promoteBy = event.ShiftDown() ? 1 : -1; |
| 1048 | |
| 1049 | PromoteList(promoteBy, range, NULL); |
| 1050 | |
| 1051 | GetEventHandler()->ProcessEvent(cmdEvent); |
| 1052 | |
| 1053 | return; |
| 1054 | } |
| 1055 | } |
| 1056 | |
| 1057 | BeginBatchUndo(_("Insert Text")); |
| 1058 | |
| 1059 | long newPos = m_caretPosition; |
| 1060 | DeleteSelectedContent(& newPos); |
| 1061 | |
| 1062 | #if wxUSE_UNICODE |
| 1063 | wxString str = event.GetUnicodeKey(); |
| 1064 | #else |
| 1065 | wxString str = (wxChar) event.GetKeyCode(); |
| 1066 | #endif |
| 1067 | GetBuffer().InsertTextWithUndo(newPos+1, str, this, 0); |
| 1068 | |
| 1069 | EndBatchUndo(); |
| 1070 | |
| 1071 | SetDefaultStyleToCursorStyle(); |
| 1072 | ScrollIntoView(m_caretPosition, WXK_RIGHT); |
| 1073 | |
| 1074 | GetEventHandler()->ProcessEvent(cmdEvent); |
| 1075 | |
| 1076 | Update(); |
| 1077 | } |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | |
| 1082 | /// Delete content if there is a selection, e.g. when pressing a key. |
| 1083 | bool wxRichTextCtrl::DeleteSelectedContent(long* newPos) |
| 1084 | { |
| 1085 | if (HasSelection()) |
| 1086 | { |
| 1087 | long pos = m_selectionRange.GetStart(); |
| 1088 | GetBuffer().DeleteRangeWithUndo(m_selectionRange, this); |
| 1089 | m_selectionRange.SetRange(-2, -2); |
| 1090 | |
| 1091 | if (newPos) |
| 1092 | *newPos = pos-1; |
| 1093 | return true; |
| 1094 | } |
| 1095 | else |
| 1096 | return false; |
| 1097 | } |
| 1098 | |
| 1099 | /// Keyboard navigation |
| 1100 | |
| 1101 | /* |
| 1102 | |
| 1103 | Left: left one character |
| 1104 | Right: right one character |
| 1105 | Up: up one line |
| 1106 | Down: down one line |
| 1107 | Ctrl-Left: left one word |
| 1108 | Ctrl-Right: right one word |
| 1109 | Ctrl-Up: previous paragraph start |
| 1110 | Ctrl-Down: next start of paragraph |
| 1111 | Home: start of line |
| 1112 | End: end of line |
| 1113 | Ctrl-Home: start of document |
| 1114 | Ctrl-End: end of document |
| 1115 | Page-Up: Up a screen |
| 1116 | Page-Down: Down a screen |
| 1117 | |
| 1118 | Maybe: |
| 1119 | |
| 1120 | Ctrl-Alt-PgUp: Start of window |
| 1121 | Ctrl-Alt-PgDn: End of window |
| 1122 | F8: Start selection mode |
| 1123 | Esc: End selection mode |
| 1124 | |
| 1125 | Adding Shift does the above but starts/extends selection. |
| 1126 | |
| 1127 | |
| 1128 | */ |
| 1129 | |
| 1130 | bool wxRichTextCtrl::KeyboardNavigate(int keyCode, int flags) |
| 1131 | { |
| 1132 | bool success = false; |
| 1133 | |
| 1134 | if (keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT) |
| 1135 | { |
| 1136 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1137 | success = WordRight(1, flags); |
| 1138 | else |
| 1139 | success = MoveRight(1, flags); |
| 1140 | } |
| 1141 | else if (keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT) |
| 1142 | { |
| 1143 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1144 | success = WordLeft(1, flags); |
| 1145 | else |
| 1146 | success = MoveLeft(1, flags); |
| 1147 | } |
| 1148 | else if (keyCode == WXK_UP || keyCode == WXK_NUMPAD_UP) |
| 1149 | { |
| 1150 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1151 | success = MoveToParagraphStart(flags); |
| 1152 | else |
| 1153 | success = MoveUp(1, flags); |
| 1154 | } |
| 1155 | else if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN) |
| 1156 | { |
| 1157 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1158 | success = MoveToParagraphEnd(flags); |
| 1159 | else |
| 1160 | success = MoveDown(1, flags); |
| 1161 | } |
| 1162 | else if (keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP) |
| 1163 | { |
| 1164 | success = PageUp(1, flags); |
| 1165 | } |
| 1166 | else if (keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN) |
| 1167 | { |
| 1168 | success = PageDown(1, flags); |
| 1169 | } |
| 1170 | else if (keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME) |
| 1171 | { |
| 1172 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1173 | success = MoveHome(flags); |
| 1174 | else |
| 1175 | success = MoveToLineStart(flags); |
| 1176 | } |
| 1177 | else if (keyCode == WXK_END || keyCode == WXK_NUMPAD_END) |
| 1178 | { |
| 1179 | if (flags & wxRICHTEXT_CTRL_DOWN) |
| 1180 | success = MoveEnd(flags); |
| 1181 | else |
| 1182 | success = MoveToLineEnd(flags); |
| 1183 | } |
| 1184 | |
| 1185 | if (success) |
| 1186 | { |
| 1187 | ScrollIntoView(m_caretPosition, keyCode); |
| 1188 | SetDefaultStyleToCursorStyle(); |
| 1189 | } |
| 1190 | |
| 1191 | return success; |
| 1192 | } |
| 1193 | |
| 1194 | /// Extend the selection. Selections are in caret positions. |
| 1195 | bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags) |
| 1196 | { |
| 1197 | if (flags & wxRICHTEXT_SHIFT_DOWN) |
| 1198 | { |
| 1199 | if (oldPos == newPos) |
| 1200 | return false; |
| 1201 | |
| 1202 | wxRichTextRange oldSelection = m_selectionRange; |
| 1203 | |
| 1204 | // If not currently selecting, start selecting |
| 1205 | if (m_selectionRange.GetStart() == -2) |
| 1206 | { |
| 1207 | m_selectionAnchor = oldPos; |
| 1208 | |
| 1209 | if (oldPos > newPos) |
| 1210 | m_selectionRange.SetRange(newPos+1, oldPos); |
| 1211 | else |
| 1212 | m_selectionRange.SetRange(oldPos+1, newPos); |
| 1213 | } |
| 1214 | else |
| 1215 | { |
| 1216 | // Always ensure that the selection range start is greater than |
| 1217 | // the end. |
| 1218 | if (newPos > m_selectionAnchor) |
| 1219 | m_selectionRange.SetRange(m_selectionAnchor+1, newPos); |
| 1220 | else if (newPos == m_selectionAnchor) |
| 1221 | m_selectionRange = wxRichTextRange(-2, -2); |
| 1222 | else |
| 1223 | m_selectionRange.SetRange(newPos+1, m_selectionAnchor); |
| 1224 | } |
| 1225 | |
| 1226 | RefreshForSelectionChange(oldSelection, m_selectionRange); |
| 1227 | |
| 1228 | if (m_selectionRange.GetStart() > m_selectionRange.GetEnd()) |
| 1229 | { |
| 1230 | wxLogDebug(wxT("Strange selection range")); |
| 1231 | } |
| 1232 | |
| 1233 | return true; |
| 1234 | } |
| 1235 | else |
| 1236 | return false; |
| 1237 | } |
| 1238 | |
| 1239 | /// Scroll into view, returning true if we scrolled. |
| 1240 | /// This takes a _caret_ position. |
| 1241 | bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode) |
| 1242 | { |
| 1243 | wxRichTextLine* line = GetVisibleLineForCaretPosition(position); |
| 1244 | |
| 1245 | if (!line) |
| 1246 | return false; |
| 1247 | |
| 1248 | int ppuX, ppuY; |
| 1249 | GetScrollPixelsPerUnit(& ppuX, & ppuY); |
| 1250 | |
| 1251 | int startXUnits, startYUnits; |
| 1252 | GetViewStart(& startXUnits, & startYUnits); |
| 1253 | int startY = startYUnits * ppuY; |
| 1254 | |
| 1255 | int sx = 0, sy = 0; |
| 1256 | GetVirtualSize(& sx, & sy); |
| 1257 | int sxUnits = 0; |
| 1258 | int syUnits = 0; |
| 1259 | if (ppuY != 0) |
| 1260 | syUnits = sy/ppuY; |
| 1261 | |
| 1262 | wxRect rect = line->GetRect(); |
| 1263 | |
| 1264 | bool scrolled = false; |
| 1265 | |
| 1266 | wxSize clientSize = GetClientSize(); |
| 1267 | clientSize.y -= GetBuffer().GetBottomMargin(); |
| 1268 | |
| 1269 | if (GetWindowStyle() & wxRE_CENTRE_CARET) |
| 1270 | { |
| 1271 | int y = rect.y - GetClientSize().y/2; |
| 1272 | int yUnits = (int) (0.5 + ((float) y)/(float) ppuY); |
| 1273 | if (y >= 0 && (y + clientSize.y) < GetBuffer().GetCachedSize().y) |
| 1274 | { |
| 1275 | if (startYUnits != yUnits) |
| 1276 | { |
| 1277 | SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits); |
| 1278 | scrolled = true; |
| 1279 | } |
| 1280 | #if !wxRICHTEXT_USE_OWN_CARET |
| 1281 | if (scrolled) |
| 1282 | #endif |
| 1283 | PositionCaret(); |
| 1284 | |
| 1285 | return scrolled; |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | // Going down |
| 1290 | if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN || |
| 1291 | keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT || |
| 1292 | keyCode == WXK_END || keyCode == WXK_NUMPAD_END || |
| 1293 | keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN) |
| 1294 | { |
| 1295 | if ((rect.y + rect.height) > (clientSize.y + startY)) |
| 1296 | { |
| 1297 | // Make it scroll so this item is at the bottom |
| 1298 | // of the window |
| 1299 | int y = rect.y - (clientSize.y - rect.height); |
| 1300 | int yUnits = (int) (0.5 + ((float) y)/(float) ppuY); |
| 1301 | |
| 1302 | // If we're still off the screen, scroll another line down |
| 1303 | if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY))) |
| 1304 | yUnits ++; |
| 1305 | |
| 1306 | if (startYUnits != yUnits) |
| 1307 | { |
| 1308 | SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits); |
| 1309 | scrolled = true; |
| 1310 | } |
| 1311 | } |
| 1312 | else if (rect.y < (startY + GetBuffer().GetTopMargin())) |
| 1313 | { |
| 1314 | // Make it scroll so this item is at the top |
| 1315 | // of the window |
| 1316 | int y = rect.y - GetBuffer().GetTopMargin(); |
| 1317 | int yUnits = (int) (0.5 + ((float) y)/(float) ppuY); |
| 1318 | |
| 1319 | if (startYUnits != yUnits) |
| 1320 | { |
| 1321 | SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits); |
| 1322 | scrolled = true; |
| 1323 | } |
| 1324 | } |
| 1325 | } |
| 1326 | // Going up |
| 1327 | else if (keyCode == WXK_UP || keyCode == WXK_NUMPAD_UP || |
| 1328 | keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT || |
| 1329 | keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME || |
| 1330 | keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP ) |
| 1331 | { |
| 1332 | if (rect.y < (startY + GetBuffer().GetBottomMargin())) |
| 1333 | { |
| 1334 | // Make it scroll so this item is at the top |
| 1335 | // of the window |
| 1336 | int y = rect.y - GetBuffer().GetTopMargin(); |
| 1337 | int yUnits = (int) (0.5 + ((float) y)/(float) ppuY); |
| 1338 | |
| 1339 | if (startYUnits != yUnits) |
| 1340 | { |
| 1341 | SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits); |
| 1342 | scrolled = true; |
| 1343 | } |
| 1344 | } |
| 1345 | else if ((rect.y + rect.height) > (clientSize.y + startY)) |
| 1346 | { |
| 1347 | // Make it scroll so this item is at the bottom |
| 1348 | // of the window |
| 1349 | int y = rect.y - (clientSize.y - rect.height); |
| 1350 | int yUnits = (int) (0.5 + ((float) y)/(float) ppuY); |
| 1351 | |
| 1352 | // If we're still off the screen, scroll another line down |
| 1353 | if ((rect.y + rect.height) > (clientSize.y + (yUnits*ppuY))) |
| 1354 | yUnits ++; |
| 1355 | |
| 1356 | if (startYUnits != yUnits) |
| 1357 | { |
| 1358 | SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits); |
| 1359 | scrolled = true; |
| 1360 | } |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | #if !wxRICHTEXT_USE_OWN_CARET |
| 1365 | if (scrolled) |
| 1366 | #endif |
| 1367 | PositionCaret(); |
| 1368 | |
| 1369 | return scrolled; |
| 1370 | } |
| 1371 | |
| 1372 | /// Is the given position visible on the screen? |
| 1373 | bool wxRichTextCtrl::IsPositionVisible(long pos) const |
| 1374 | { |
| 1375 | wxRichTextLine* line = GetVisibleLineForCaretPosition(pos-1); |
| 1376 | |
| 1377 | if (!line) |
| 1378 | return false; |
| 1379 | |
| 1380 | int ppuX, ppuY; |
| 1381 | GetScrollPixelsPerUnit(& ppuX, & ppuY); |
| 1382 | |
| 1383 | int startX, startY; |
| 1384 | GetViewStart(& startX, & startY); |
| 1385 | startX = 0; |
| 1386 | startY = startY * ppuY; |
| 1387 | |
| 1388 | wxRect rect = line->GetRect(); |
| 1389 | wxSize clientSize = GetClientSize(); |
| 1390 | clientSize.y -= GetBuffer().GetBottomMargin(); |
| 1391 | |
| 1392 | return (rect.GetBottom() > (startY + GetBuffer().GetTopMargin())) && (rect.GetTop() < (startY + clientSize.y)); |
| 1393 | } |
| 1394 | |
| 1395 | void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart) |
| 1396 | { |
| 1397 | m_caretPosition = position; |
| 1398 | m_caretAtLineStart = showAtLineStart; |
| 1399 | } |
| 1400 | |
| 1401 | /// Move caret one visual step forward: this may mean setting a flag |
| 1402 | /// and keeping the same position if we're going from the end of one line |
| 1403 | /// to the start of the next, which may be the exact same caret position. |
| 1404 | void wxRichTextCtrl::MoveCaretForward(long oldPosition) |
| 1405 | { |
| 1406 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(oldPosition); |
| 1407 | |
| 1408 | // Only do the check if we're not at the end of the paragraph (where things work OK |
| 1409 | // anyway) |
| 1410 | if (para && (oldPosition != para->GetRange().GetEnd() - 1)) |
| 1411 | { |
| 1412 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(oldPosition); |
| 1413 | |
| 1414 | if (line) |
| 1415 | { |
| 1416 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
| 1417 | |
| 1418 | // We're at the end of a line. See whether we need to |
| 1419 | // stay at the same actual caret position but change visual |
| 1420 | // position, or not. |
| 1421 | if (oldPosition == lineRange.GetEnd()) |
| 1422 | { |
| 1423 | if (m_caretAtLineStart) |
| 1424 | { |
| 1425 | // We're already at the start of the line, so actually move on now. |
| 1426 | m_caretPosition = oldPosition + 1; |
| 1427 | m_caretAtLineStart = false; |
| 1428 | } |
| 1429 | else |
| 1430 | { |
| 1431 | // We're showing at the end of the line, so keep to |
| 1432 | // the same position but indicate that we're to show |
| 1433 | // at the start of the next line. |
| 1434 | m_caretPosition = oldPosition; |
| 1435 | m_caretAtLineStart = true; |
| 1436 | } |
| 1437 | SetDefaultStyleToCursorStyle(); |
| 1438 | return; |
| 1439 | } |
| 1440 | } |
| 1441 | } |
| 1442 | m_caretPosition ++; |
| 1443 | SetDefaultStyleToCursorStyle(); |
| 1444 | } |
| 1445 | |
| 1446 | /// Move caret one visual step backward: this may mean setting a flag |
| 1447 | /// and keeping the same position if we're going from the end of one line |
| 1448 | /// to the start of the next, which may be the exact same caret position. |
| 1449 | void wxRichTextCtrl::MoveCaretBack(long oldPosition) |
| 1450 | { |
| 1451 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(oldPosition); |
| 1452 | |
| 1453 | // Only do the check if we're not at the start of the paragraph (where things work OK |
| 1454 | // anyway) |
| 1455 | if (para && (oldPosition != para->GetRange().GetStart())) |
| 1456 | { |
| 1457 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(oldPosition); |
| 1458 | |
| 1459 | if (line) |
| 1460 | { |
| 1461 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
| 1462 | |
| 1463 | // We're at the start of a line. See whether we need to |
| 1464 | // stay at the same actual caret position but change visual |
| 1465 | // position, or not. |
| 1466 | if (oldPosition == lineRange.GetStart()) |
| 1467 | { |
| 1468 | m_caretPosition = oldPosition-1; |
| 1469 | m_caretAtLineStart = true; |
| 1470 | return; |
| 1471 | } |
| 1472 | else if (oldPosition == lineRange.GetEnd()) |
| 1473 | { |
| 1474 | if (m_caretAtLineStart) |
| 1475 | { |
| 1476 | // We're at the start of the line, so keep the same caret position |
| 1477 | // but clear the start-of-line flag. |
| 1478 | m_caretPosition = oldPosition; |
| 1479 | m_caretAtLineStart = false; |
| 1480 | } |
| 1481 | else |
| 1482 | { |
| 1483 | // We're showing at the end of the line, so go back |
| 1484 | // to the previous character position. |
| 1485 | m_caretPosition = oldPosition - 1; |
| 1486 | } |
| 1487 | SetDefaultStyleToCursorStyle(); |
| 1488 | return; |
| 1489 | } |
| 1490 | } |
| 1491 | } |
| 1492 | m_caretPosition --; |
| 1493 | SetDefaultStyleToCursorStyle(); |
| 1494 | } |
| 1495 | |
| 1496 | /// Move right |
| 1497 | bool wxRichTextCtrl::MoveRight(int noPositions, int flags) |
| 1498 | { |
| 1499 | long endPos = GetBuffer().GetRange().GetEnd(); |
| 1500 | |
| 1501 | if (m_caretPosition + noPositions < endPos) |
| 1502 | { |
| 1503 | long oldPos = m_caretPosition; |
| 1504 | long newPos = m_caretPosition + noPositions; |
| 1505 | |
| 1506 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1507 | if (!extendSel) |
| 1508 | SelectNone(); |
| 1509 | |
| 1510 | // Determine by looking at oldPos and m_caretPosition whether |
| 1511 | // we moved from the end of a line to the start of the next line, in which case |
| 1512 | // we want to adjust the caret position such that it is positioned at the |
| 1513 | // start of the next line, rather than jumping past the first character of the |
| 1514 | // line. |
| 1515 | if (noPositions == 1 && !extendSel) |
| 1516 | MoveCaretForward(oldPos); |
| 1517 | else |
| 1518 | SetCaretPosition(newPos); |
| 1519 | |
| 1520 | PositionCaret(); |
| 1521 | SetDefaultStyleToCursorStyle(); |
| 1522 | |
| 1523 | return true; |
| 1524 | } |
| 1525 | else |
| 1526 | return false; |
| 1527 | } |
| 1528 | |
| 1529 | /// Move left |
| 1530 | bool wxRichTextCtrl::MoveLeft(int noPositions, int flags) |
| 1531 | { |
| 1532 | long startPos = -1; |
| 1533 | |
| 1534 | if (m_caretPosition > startPos - noPositions + 1) |
| 1535 | { |
| 1536 | long oldPos = m_caretPosition; |
| 1537 | long newPos = m_caretPosition - noPositions; |
| 1538 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1539 | if (!extendSel) |
| 1540 | SelectNone(); |
| 1541 | |
| 1542 | if (noPositions == 1 && !extendSel) |
| 1543 | MoveCaretBack(oldPos); |
| 1544 | else |
| 1545 | SetCaretPosition(newPos); |
| 1546 | |
| 1547 | PositionCaret(); |
| 1548 | SetDefaultStyleToCursorStyle(); |
| 1549 | |
| 1550 | return true; |
| 1551 | } |
| 1552 | else |
| 1553 | return false; |
| 1554 | } |
| 1555 | |
| 1556 | /// Move up |
| 1557 | bool wxRichTextCtrl::MoveUp(int noLines, int flags) |
| 1558 | { |
| 1559 | return MoveDown(- noLines, flags); |
| 1560 | } |
| 1561 | |
| 1562 | /// Move up |
| 1563 | bool wxRichTextCtrl::MoveDown(int noLines, int flags) |
| 1564 | { |
| 1565 | if (!GetCaret()) |
| 1566 | return false; |
| 1567 | |
| 1568 | long lineNumber = GetBuffer().GetVisibleLineNumber(m_caretPosition, true, m_caretAtLineStart); |
| 1569 | wxPoint pt = GetCaret()->GetPosition(); |
| 1570 | long newLine = lineNumber + noLines; |
| 1571 | |
| 1572 | if (lineNumber != -1) |
| 1573 | { |
| 1574 | if (noLines > 0) |
| 1575 | { |
| 1576 | long lastLine = GetBuffer().GetVisibleLineNumber(GetBuffer().GetRange().GetEnd()); |
| 1577 | |
| 1578 | if (newLine > lastLine) |
| 1579 | return false; |
| 1580 | } |
| 1581 | else |
| 1582 | { |
| 1583 | if (newLine < 0) |
| 1584 | return false; |
| 1585 | } |
| 1586 | } |
| 1587 | |
| 1588 | wxRichTextLine* lineObj = GetBuffer().GetLineForVisibleLineNumber(newLine); |
| 1589 | if (lineObj) |
| 1590 | { |
| 1591 | pt.y = lineObj->GetAbsolutePosition().y + 2; |
| 1592 | } |
| 1593 | else |
| 1594 | return false; |
| 1595 | |
| 1596 | long newPos = 0; |
| 1597 | wxClientDC dc(this); |
| 1598 | PrepareDC(dc); |
| 1599 | dc.SetFont(GetFont()); |
| 1600 | |
| 1601 | int hitTest = GetBuffer().HitTest(dc, pt, newPos); |
| 1602 | |
| 1603 | if (hitTest != wxRICHTEXT_HITTEST_NONE) |
| 1604 | { |
| 1605 | // If end of previous line, and hitTest is wxRICHTEXT_HITTEST_BEFORE, |
| 1606 | // we want to be at the end of the last line but with m_caretAtLineStart set to true, |
| 1607 | // so we view the caret at the start of the line. |
| 1608 | bool caretLineStart = false; |
| 1609 | if (hitTest & wxRICHTEXT_HITTEST_BEFORE) |
| 1610 | { |
| 1611 | wxRichTextLine* thisLine = GetBuffer().GetLineAtPosition(newPos-1); |
| 1612 | wxRichTextRange lineRange; |
| 1613 | if (thisLine) |
| 1614 | lineRange = thisLine->GetAbsoluteRange(); |
| 1615 | |
| 1616 | if (thisLine && (newPos-1) == lineRange.GetEnd()) |
| 1617 | { |
| 1618 | newPos --; |
| 1619 | caretLineStart = true; |
| 1620 | } |
| 1621 | else |
| 1622 | { |
| 1623 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(newPos); |
| 1624 | if (para && para->GetRange().GetStart() == newPos) |
| 1625 | newPos --; |
| 1626 | } |
| 1627 | } |
| 1628 | |
| 1629 | long newSelEnd = newPos; |
| 1630 | |
| 1631 | bool extendSel = ExtendSelection(m_caretPosition, newSelEnd, flags); |
| 1632 | if (!extendSel) |
| 1633 | SelectNone(); |
| 1634 | |
| 1635 | SetCaretPosition(newPos, caretLineStart); |
| 1636 | PositionCaret(); |
| 1637 | SetDefaultStyleToCursorStyle(); |
| 1638 | |
| 1639 | return true; |
| 1640 | } |
| 1641 | |
| 1642 | return false; |
| 1643 | } |
| 1644 | |
| 1645 | /// Move to the end of the paragraph |
| 1646 | bool wxRichTextCtrl::MoveToParagraphEnd(int flags) |
| 1647 | { |
| 1648 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(m_caretPosition, true); |
| 1649 | if (para) |
| 1650 | { |
| 1651 | long newPos = para->GetRange().GetEnd() - 1; |
| 1652 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1653 | if (!extendSel) |
| 1654 | SelectNone(); |
| 1655 | |
| 1656 | SetCaretPosition(newPos); |
| 1657 | PositionCaret(); |
| 1658 | SetDefaultStyleToCursorStyle(); |
| 1659 | |
| 1660 | return true; |
| 1661 | } |
| 1662 | |
| 1663 | return false; |
| 1664 | } |
| 1665 | |
| 1666 | /// Move to the start of the paragraph |
| 1667 | bool wxRichTextCtrl::MoveToParagraphStart(int flags) |
| 1668 | { |
| 1669 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(m_caretPosition, true); |
| 1670 | if (para) |
| 1671 | { |
| 1672 | long newPos = para->GetRange().GetStart() - 1; |
| 1673 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1674 | if (!extendSel) |
| 1675 | SelectNone(); |
| 1676 | |
| 1677 | SetCaretPosition(newPos); |
| 1678 | PositionCaret(); |
| 1679 | SetDefaultStyleToCursorStyle(); |
| 1680 | |
| 1681 | return true; |
| 1682 | } |
| 1683 | |
| 1684 | return false; |
| 1685 | } |
| 1686 | |
| 1687 | /// Move to the end of the line |
| 1688 | bool wxRichTextCtrl::MoveToLineEnd(int flags) |
| 1689 | { |
| 1690 | wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition); |
| 1691 | |
| 1692 | if (line) |
| 1693 | { |
| 1694 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
| 1695 | long newPos = lineRange.GetEnd(); |
| 1696 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1697 | if (!extendSel) |
| 1698 | SelectNone(); |
| 1699 | |
| 1700 | SetCaretPosition(newPos); |
| 1701 | PositionCaret(); |
| 1702 | SetDefaultStyleToCursorStyle(); |
| 1703 | |
| 1704 | return true; |
| 1705 | } |
| 1706 | |
| 1707 | return false; |
| 1708 | } |
| 1709 | |
| 1710 | /// Move to the start of the line |
| 1711 | bool wxRichTextCtrl::MoveToLineStart(int flags) |
| 1712 | { |
| 1713 | wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition); |
| 1714 | if (line) |
| 1715 | { |
| 1716 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
| 1717 | long newPos = lineRange.GetStart()-1; |
| 1718 | |
| 1719 | bool extendSel = ExtendSelection(m_caretPosition, newPos, flags); |
| 1720 | if (!extendSel) |
| 1721 | SelectNone(); |
| 1722 | |
| 1723 | wxRichTextParagraph* para = GetBuffer().GetParagraphForLine(line); |
| 1724 | |
| 1725 | SetCaretPosition(newPos, para->GetRange().GetStart() != lineRange.GetStart()); |
| 1726 | PositionCaret(); |
| 1727 | SetDefaultStyleToCursorStyle(); |
| 1728 | |
| 1729 | return true; |
| 1730 | } |
| 1731 | |
| 1732 | return false; |
| 1733 | } |
| 1734 | |
| 1735 | /// Move to the start of the buffer |
| 1736 | bool wxRichTextCtrl::MoveHome(int flags) |
| 1737 | { |
| 1738 | if (m_caretPosition != -1) |
| 1739 | { |
| 1740 | bool extendSel = ExtendSelection(m_caretPosition, -1, flags); |
| 1741 | if (!extendSel) |
| 1742 | SelectNone(); |
| 1743 | |
| 1744 | SetCaretPosition(-1); |
| 1745 | PositionCaret(); |
| 1746 | SetDefaultStyleToCursorStyle(); |
| 1747 | |
| 1748 | return true; |
| 1749 | } |
| 1750 | else |
| 1751 | return false; |
| 1752 | } |
| 1753 | |
| 1754 | /// Move to the end of the buffer |
| 1755 | bool wxRichTextCtrl::MoveEnd(int flags) |
| 1756 | { |
| 1757 | long endPos = GetBuffer().GetRange().GetEnd()-1; |
| 1758 | |
| 1759 | if (m_caretPosition != endPos) |
| 1760 | { |
| 1761 | bool extendSel = ExtendSelection(m_caretPosition, endPos, flags); |
| 1762 | if (!extendSel) |
| 1763 | SelectNone(); |
| 1764 | |
| 1765 | SetCaretPosition(endPos); |
| 1766 | PositionCaret(); |
| 1767 | SetDefaultStyleToCursorStyle(); |
| 1768 | |
| 1769 | return true; |
| 1770 | } |
| 1771 | else |
| 1772 | return false; |
| 1773 | } |
| 1774 | |
| 1775 | /// Move noPages pages up |
| 1776 | bool wxRichTextCtrl::PageUp(int noPages, int flags) |
| 1777 | { |
| 1778 | return PageDown(- noPages, flags); |
| 1779 | } |
| 1780 | |
| 1781 | /// Move noPages pages down |
| 1782 | bool wxRichTextCtrl::PageDown(int noPages, int flags) |
| 1783 | { |
| 1784 | // Calculate which line occurs noPages * screen height further down. |
| 1785 | wxRichTextLine* line = GetVisibleLineForCaretPosition(m_caretPosition); |
| 1786 | if (line) |
| 1787 | { |
| 1788 | wxSize clientSize = GetClientSize(); |
| 1789 | int newY = line->GetAbsolutePosition().y + noPages*clientSize.y; |
| 1790 | |
| 1791 | wxRichTextLine* newLine = GetBuffer().GetLineAtYPosition(newY); |
| 1792 | if (newLine) |
| 1793 | { |
| 1794 | wxRichTextRange lineRange = newLine->GetAbsoluteRange(); |
| 1795 | long pos = lineRange.GetStart()-1; |
| 1796 | if (pos != m_caretPosition) |
| 1797 | { |
| 1798 | wxRichTextParagraph* para = GetBuffer().GetParagraphForLine(newLine); |
| 1799 | |
| 1800 | bool extendSel = ExtendSelection(m_caretPosition, pos, flags); |
| 1801 | if (!extendSel) |
| 1802 | SelectNone(); |
| 1803 | |
| 1804 | SetCaretPosition(pos, para->GetRange().GetStart() != lineRange.GetStart()); |
| 1805 | PositionCaret(); |
| 1806 | SetDefaultStyleToCursorStyle(); |
| 1807 | |
| 1808 | return true; |
| 1809 | } |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | return false; |
| 1814 | } |
| 1815 | |
| 1816 | static bool wxRichTextCtrlIsWhitespace(const wxString& str) |
| 1817 | { |
| 1818 | return str == wxT(" ") || str == wxT("\t"); |
| 1819 | } |
| 1820 | |
| 1821 | // Finds the caret position for the next word |
| 1822 | long wxRichTextCtrl::FindNextWordPosition(int direction) const |
| 1823 | { |
| 1824 | long endPos = GetBuffer().GetRange().GetEnd(); |
| 1825 | |
| 1826 | if (direction > 0) |
| 1827 | { |
| 1828 | long i = m_caretPosition+1+direction; // +1 for conversion to character pos |
| 1829 | |
| 1830 | // First skip current text to space |
| 1831 | while (i < endPos && i > -1) |
| 1832 | { |
| 1833 | // i is in character, not caret positions |
| 1834 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i)); |
| 1835 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false); |
| 1836 | if (line && (i == line->GetAbsoluteRange().GetEnd())) |
| 1837 | { |
| 1838 | break; |
| 1839 | } |
| 1840 | else if (!wxRichTextCtrlIsWhitespace(text) && !text.empty()) |
| 1841 | i += direction; |
| 1842 | else |
| 1843 | { |
| 1844 | break; |
| 1845 | } |
| 1846 | } |
| 1847 | while (i < endPos && i > -1) |
| 1848 | { |
| 1849 | // i is in character, not caret positions |
| 1850 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i)); |
| 1851 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false); |
| 1852 | if (line && (i == line->GetAbsoluteRange().GetEnd())) |
| 1853 | return wxMax(-1, i); |
| 1854 | |
| 1855 | if (text.empty()) // End of paragraph, or maybe an image |
| 1856 | return wxMax(-1, i - 1); |
| 1857 | else if (wxRichTextCtrlIsWhitespace(text) || text.empty()) |
| 1858 | i += direction; |
| 1859 | else |
| 1860 | { |
| 1861 | // Convert to caret position |
| 1862 | return wxMax(-1, i - 1); |
| 1863 | } |
| 1864 | } |
| 1865 | if (i >= endPos) |
| 1866 | return endPos-1; |
| 1867 | return i-1; |
| 1868 | } |
| 1869 | else |
| 1870 | { |
| 1871 | long i = m_caretPosition; |
| 1872 | |
| 1873 | // First skip white space |
| 1874 | while (i < endPos && i > -1) |
| 1875 | { |
| 1876 | // i is in character, not caret positions |
| 1877 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i)); |
| 1878 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false); |
| 1879 | |
| 1880 | if (text.empty() || (line && (i == line->GetAbsoluteRange().GetStart()))) // End of paragraph, or maybe an image |
| 1881 | break; |
| 1882 | else if (wxRichTextCtrlIsWhitespace(text) || text.empty()) |
| 1883 | i += direction; |
| 1884 | else |
| 1885 | break; |
| 1886 | } |
| 1887 | // Next skip current text to space |
| 1888 | while (i < endPos && i > -1) |
| 1889 | { |
| 1890 | // i is in character, not caret positions |
| 1891 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i)); |
| 1892 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false); |
| 1893 | if (line && line->GetAbsoluteRange().GetStart() == i) |
| 1894 | return i-1; |
| 1895 | |
| 1896 | if (!wxRichTextCtrlIsWhitespace(text) /* && !text.empty() */) |
| 1897 | i += direction; |
| 1898 | else |
| 1899 | { |
| 1900 | return i; |
| 1901 | } |
| 1902 | } |
| 1903 | if (i < -1) |
| 1904 | return -1; |
| 1905 | return i; |
| 1906 | } |
| 1907 | } |
| 1908 | |
| 1909 | /// Move n words left |
| 1910 | bool wxRichTextCtrl::WordLeft(int WXUNUSED(n), int flags) |
| 1911 | { |
| 1912 | long pos = FindNextWordPosition(-1); |
| 1913 | if (pos != m_caretPosition) |
| 1914 | { |
| 1915 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos, true); |
| 1916 | |
| 1917 | bool extendSel = ExtendSelection(m_caretPosition, pos, flags); |
| 1918 | if (!extendSel) |
| 1919 | SelectNone(); |
| 1920 | |
| 1921 | SetCaretPosition(pos, para->GetRange().GetStart() != pos); |
| 1922 | PositionCaret(); |
| 1923 | SetDefaultStyleToCursorStyle(); |
| 1924 | |
| 1925 | return true; |
| 1926 | } |
| 1927 | |
| 1928 | return false; |
| 1929 | } |
| 1930 | |
| 1931 | /// Move n words right |
| 1932 | bool wxRichTextCtrl::WordRight(int WXUNUSED(n), int flags) |
| 1933 | { |
| 1934 | long pos = FindNextWordPosition(1); |
| 1935 | if (pos != m_caretPosition) |
| 1936 | { |
| 1937 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos, true); |
| 1938 | |
| 1939 | bool extendSel = ExtendSelection(m_caretPosition, pos, flags); |
| 1940 | if (!extendSel) |
| 1941 | SelectNone(); |
| 1942 | |
| 1943 | SetCaretPosition(pos, para->GetRange().GetStart() != pos); |
| 1944 | PositionCaret(); |
| 1945 | SetDefaultStyleToCursorStyle(); |
| 1946 | |
| 1947 | return true; |
| 1948 | } |
| 1949 | |
| 1950 | return false; |
| 1951 | } |
| 1952 | |
| 1953 | /// Sizing |
| 1954 | void wxRichTextCtrl::OnSize(wxSizeEvent& event) |
| 1955 | { |
| 1956 | // Only do sizing optimization for large buffers |
| 1957 | if (GetBuffer().GetRange().GetEnd() > m_delayedLayoutThreshold) |
| 1958 | { |
| 1959 | m_fullLayoutRequired = true; |
| 1960 | m_fullLayoutTime = wxGetLocalTimeMillis(); |
| 1961 | m_fullLayoutSavedPosition = GetFirstVisiblePosition(); |
| 1962 | LayoutContent(true /* onlyVisibleRect */); |
| 1963 | } |
| 1964 | else |
| 1965 | GetBuffer().Invalidate(wxRICHTEXT_ALL); |
| 1966 | |
| 1967 | #if wxRICHTEXT_BUFFERED_PAINTING |
| 1968 | RecreateBuffer(); |
| 1969 | #endif |
| 1970 | |
| 1971 | event.Skip(); |
| 1972 | } |
| 1973 | |
| 1974 | |
| 1975 | /// Idle-time processing |
| 1976 | void wxRichTextCtrl::OnIdle(wxIdleEvent& event) |
| 1977 | { |
| 1978 | #if wxRICHTEXT_USE_OWN_CARET |
| 1979 | if (((wxRichTextCaret*) GetCaret())->GetNeedsUpdate()) |
| 1980 | { |
| 1981 | ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate(false); |
| 1982 | PositionCaret(); |
| 1983 | GetCaret()->Show(); |
| 1984 | } |
| 1985 | #endif |
| 1986 | |
| 1987 | const int layoutInterval = wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL; |
| 1988 | |
| 1989 | if (m_fullLayoutRequired && (wxGetLocalTimeMillis() > (m_fullLayoutTime + layoutInterval))) |
| 1990 | { |
| 1991 | m_fullLayoutRequired = false; |
| 1992 | m_fullLayoutTime = 0; |
| 1993 | GetBuffer().Invalidate(wxRICHTEXT_ALL); |
| 1994 | ShowPosition(m_fullLayoutSavedPosition); |
| 1995 | Refresh(false); |
| 1996 | } |
| 1997 | |
| 1998 | if (m_caretPositionForDefaultStyle != -2) |
| 1999 | { |
| 2000 | // If the caret position has changed, no longer reflect the default style |
| 2001 | // in the UI. |
| 2002 | if (GetCaretPosition() != m_caretPositionForDefaultStyle) |
| 2003 | m_caretPositionForDefaultStyle = -2; |
| 2004 | } |
| 2005 | |
| 2006 | event.Skip(); |
| 2007 | } |
| 2008 | |
| 2009 | /// Scrolling |
| 2010 | void wxRichTextCtrl::OnScroll(wxScrollWinEvent& event) |
| 2011 | { |
| 2012 | #if wxRICHTEXT_USE_OWN_CARET |
| 2013 | if (!((wxRichTextCaret*) GetCaret())->GetNeedsUpdate()) |
| 2014 | { |
| 2015 | GetCaret()->Hide(); |
| 2016 | ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate(); |
| 2017 | } |
| 2018 | #endif |
| 2019 | |
| 2020 | event.Skip(); |
| 2021 | } |
| 2022 | |
| 2023 | /// Set up scrollbars, e.g. after a resize |
| 2024 | void wxRichTextCtrl::SetupScrollbars(bool atTop) |
| 2025 | { |
| 2026 | if (IsFrozen()) |
| 2027 | return; |
| 2028 | |
| 2029 | if (GetBuffer().IsEmpty()) |
| 2030 | { |
| 2031 | SetScrollbars(0, 0, 0, 0, 0, 0); |
| 2032 | return; |
| 2033 | } |
| 2034 | |
| 2035 | // TODO: reimplement scrolling so we scroll by line, not by fixed number |
| 2036 | // of pixels. See e.g. wxVScrolledWindow for ideas. |
| 2037 | int pixelsPerUnit = 5; |
| 2038 | wxSize clientSize = GetClientSize(); |
| 2039 | |
| 2040 | int maxHeight = GetBuffer().GetCachedSize().y + GetBuffer().GetTopMargin(); |
| 2041 | |
| 2042 | // Round up so we have at least maxHeight pixels |
| 2043 | int unitsY = (int) (((float)maxHeight/(float)pixelsPerUnit) + 0.5); |
| 2044 | |
| 2045 | int startX = 0, startY = 0; |
| 2046 | if (!atTop) |
| 2047 | GetViewStart(& startX, & startY); |
| 2048 | |
| 2049 | int maxPositionX = 0; |
| 2050 | int maxPositionY = (int) ((((float)(wxMax((unitsY*pixelsPerUnit) - clientSize.y, 0)))/((float)pixelsPerUnit)) + 0.5); |
| 2051 | |
| 2052 | int newStartX = wxMin(maxPositionX, startX); |
| 2053 | int newStartY = wxMin(maxPositionY, startY); |
| 2054 | |
| 2055 | int oldPPUX, oldPPUY; |
| 2056 | int oldStartX, oldStartY; |
| 2057 | int oldVirtualSizeX = 0, oldVirtualSizeY = 0; |
| 2058 | GetScrollPixelsPerUnit(& oldPPUX, & oldPPUY); |
| 2059 | GetViewStart(& oldStartX, & oldStartY); |
| 2060 | GetVirtualSize(& oldVirtualSizeX, & oldVirtualSizeY); |
| 2061 | if (oldPPUY > 0) |
| 2062 | oldVirtualSizeY /= oldPPUY; |
| 2063 | |
| 2064 | if (oldPPUX == 0 && oldPPUY == pixelsPerUnit && oldVirtualSizeY == unitsY && oldStartX == newStartX && oldStartY == newStartY) |
| 2065 | return; |
| 2066 | |
| 2067 | // Don't set scrollbars if there were none before, and there will be none now. |
| 2068 | if (oldPPUY != 0 && (oldVirtualSizeY < clientSize.y) && (unitsY*pixelsPerUnit < clientSize.y)) |
| 2069 | return; |
| 2070 | |
| 2071 | // Move to previous scroll position if |
| 2072 | // possible |
| 2073 | SetScrollbars(0, pixelsPerUnit, 0, unitsY, newStartX, newStartY); |
| 2074 | } |
| 2075 | |
| 2076 | /// Paint the background |
| 2077 | void wxRichTextCtrl::PaintBackground(wxDC& dc) |
| 2078 | { |
| 2079 | wxColour backgroundColour = GetBackgroundColour(); |
| 2080 | if (!backgroundColour.Ok()) |
| 2081 | backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); |
| 2082 | |
| 2083 | // Clear the background |
| 2084 | dc.SetBrush(wxBrush(backgroundColour)); |
| 2085 | dc.SetPen(*wxTRANSPARENT_PEN); |
| 2086 | wxRect windowRect(GetClientSize()); |
| 2087 | windowRect.x -= 2; windowRect.y -= 2; |
| 2088 | windowRect.width += 4; windowRect.height += 4; |
| 2089 | |
| 2090 | // We need to shift the rectangle to take into account |
| 2091 | // scrolling. Converting device to logical coordinates. |
| 2092 | CalcUnscrolledPosition(windowRect.x, windowRect.y, & windowRect.x, & windowRect.y); |
| 2093 | dc.DrawRectangle(windowRect); |
| 2094 | } |
| 2095 | |
| 2096 | #if wxRICHTEXT_BUFFERED_PAINTING |
| 2097 | /// Recreate buffer bitmap if necessary |
| 2098 | bool wxRichTextCtrl::RecreateBuffer(const wxSize& size) |
| 2099 | { |
| 2100 | wxSize sz = size; |
| 2101 | if (sz == wxDefaultSize) |
| 2102 | sz = GetClientSize(); |
| 2103 | |
| 2104 | if (sz.x < 1 || sz.y < 1) |
| 2105 | return false; |
| 2106 | |
| 2107 | if (!m_bufferBitmap.Ok() || m_bufferBitmap.GetWidth() < sz.x || m_bufferBitmap.GetHeight() < sz.y) |
| 2108 | m_bufferBitmap = wxBitmap(sz.x, sz.y); |
| 2109 | return m_bufferBitmap.Ok(); |
| 2110 | } |
| 2111 | #endif |
| 2112 | |
| 2113 | // ---------------------------------------------------------------------------- |
| 2114 | // file IO functions |
| 2115 | // ---------------------------------------------------------------------------- |
| 2116 | |
| 2117 | bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType) |
| 2118 | { |
| 2119 | bool success = GetBuffer().LoadFile(filename, (wxRichTextFileType)fileType); |
| 2120 | if (success) |
| 2121 | m_filename = filename; |
| 2122 | |
| 2123 | DiscardEdits(); |
| 2124 | SetInsertionPoint(0); |
| 2125 | LayoutContent(); |
| 2126 | PositionCaret(); |
| 2127 | SetupScrollbars(true); |
| 2128 | Refresh(false); |
| 2129 | wxTextCtrl::SendTextUpdatedEvent(this); |
| 2130 | |
| 2131 | if (success) |
| 2132 | return true; |
| 2133 | else |
| 2134 | { |
| 2135 | wxLogError(_("File couldn't be loaded.")); |
| 2136 | |
| 2137 | return false; |
| 2138 | } |
| 2139 | } |
| 2140 | |
| 2141 | bool wxRichTextCtrl::DoSaveFile(const wxString& filename, int fileType) |
| 2142 | { |
| 2143 | if (GetBuffer().SaveFile(filename, (wxRichTextFileType)fileType)) |
| 2144 | { |
| 2145 | m_filename = filename; |
| 2146 | |
| 2147 | DiscardEdits(); |
| 2148 | |
| 2149 | return true; |
| 2150 | } |
| 2151 | |
| 2152 | wxLogError(_("The text couldn't be saved.")); |
| 2153 | |
| 2154 | return false; |
| 2155 | } |
| 2156 | |
| 2157 | // ---------------------------------------------------------------------------- |
| 2158 | // wxRichTextCtrl specific functionality |
| 2159 | // ---------------------------------------------------------------------------- |
| 2160 | |
| 2161 | /// Add a new paragraph of text to the end of the buffer |
| 2162 | wxRichTextRange wxRichTextCtrl::AddParagraph(const wxString& text) |
| 2163 | { |
| 2164 | wxRichTextRange range = GetBuffer().AddParagraph(text); |
| 2165 | LayoutContent(); |
| 2166 | return range; |
| 2167 | } |
| 2168 | |
| 2169 | /// Add an image |
| 2170 | wxRichTextRange wxRichTextCtrl::AddImage(const wxImage& image) |
| 2171 | { |
| 2172 | wxRichTextRange range = GetBuffer().AddImage(image); |
| 2173 | LayoutContent(); |
| 2174 | return range; |
| 2175 | } |
| 2176 | |
| 2177 | // ---------------------------------------------------------------------------- |
| 2178 | // selection and ranges |
| 2179 | // ---------------------------------------------------------------------------- |
| 2180 | |
| 2181 | void wxRichTextCtrl::SelectAll() |
| 2182 | { |
| 2183 | SetSelection(0, GetLastPosition()+1); |
| 2184 | m_selectionAnchor = -1; |
| 2185 | } |
| 2186 | |
| 2187 | /// Select none |
| 2188 | void wxRichTextCtrl::SelectNone() |
| 2189 | { |
| 2190 | if (!(GetSelectionRange() == wxRichTextRange(-2, -2))) |
| 2191 | { |
| 2192 | wxRichTextRange oldSelection = m_selectionRange; |
| 2193 | |
| 2194 | m_selectionRange = wxRichTextRange(-2, -2); |
| 2195 | |
| 2196 | RefreshForSelectionChange(oldSelection, m_selectionRange); |
| 2197 | } |
| 2198 | m_selectionAnchor = -2; |
| 2199 | } |
| 2200 | |
| 2201 | static bool wxIsWordDelimiter(const wxString& text) |
| 2202 | { |
| 2203 | return !text.IsEmpty() && !wxIsalnum(text[0]); |
| 2204 | } |
| 2205 | |
| 2206 | /// Select the word at the given character position |
| 2207 | bool wxRichTextCtrl::SelectWord(long position) |
| 2208 | { |
| 2209 | if (position < 0 || position > GetBuffer().GetRange().GetEnd()) |
| 2210 | return false; |
| 2211 | |
| 2212 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position); |
| 2213 | if (!para) |
| 2214 | return false; |
| 2215 | |
| 2216 | if (position == para->GetRange().GetEnd()) |
| 2217 | position --; |
| 2218 | |
| 2219 | long positionStart = position; |
| 2220 | long positionEnd = position; |
| 2221 | |
| 2222 | for (positionStart = position; positionStart >= para->GetRange().GetStart(); positionStart --) |
| 2223 | { |
| 2224 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(positionStart, positionStart)); |
| 2225 | if (wxIsWordDelimiter(text)) |
| 2226 | { |
| 2227 | positionStart ++; |
| 2228 | break; |
| 2229 | } |
| 2230 | } |
| 2231 | if (positionStart < para->GetRange().GetStart()) |
| 2232 | positionStart = para->GetRange().GetStart(); |
| 2233 | |
| 2234 | for (positionEnd = position; positionEnd < para->GetRange().GetEnd(); positionEnd ++) |
| 2235 | { |
| 2236 | wxString text = GetBuffer().GetTextForRange(wxRichTextRange(positionEnd, positionEnd)); |
| 2237 | if (wxIsWordDelimiter(text)) |
| 2238 | { |
| 2239 | positionEnd --; |
| 2240 | break; |
| 2241 | } |
| 2242 | } |
| 2243 | if (positionEnd >= para->GetRange().GetEnd()) |
| 2244 | positionEnd = para->GetRange().GetEnd(); |
| 2245 | |
| 2246 | if (positionEnd < positionStart) |
| 2247 | return false; |
| 2248 | |
| 2249 | SetSelection(positionStart, positionEnd+1); |
| 2250 | |
| 2251 | if (positionStart >= 0) |
| 2252 | { |
| 2253 | MoveCaret(positionStart-1, true); |
| 2254 | SetDefaultStyleToCursorStyle(); |
| 2255 | } |
| 2256 | |
| 2257 | return true; |
| 2258 | } |
| 2259 | |
| 2260 | wxString wxRichTextCtrl::GetStringSelection() const |
| 2261 | { |
| 2262 | long from, to; |
| 2263 | GetSelection(&from, &to); |
| 2264 | |
| 2265 | return GetRange(from, to); |
| 2266 | } |
| 2267 | |
| 2268 | // ---------------------------------------------------------------------------- |
| 2269 | // hit testing |
| 2270 | // ---------------------------------------------------------------------------- |
| 2271 | |
| 2272 | wxTextCtrlHitTestResult |
| 2273 | wxRichTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const |
| 2274 | { |
| 2275 | // implement in terms of the other overload as the native ports typically |
| 2276 | // can get the position and not (x, y) pair directly (although wxUniv |
| 2277 | // directly gets x and y -- and so overrides this method as well) |
| 2278 | long pos; |
| 2279 | wxTextCtrlHitTestResult rc = HitTest(pt, &pos); |
| 2280 | |
| 2281 | if ( rc != wxTE_HT_UNKNOWN ) |
| 2282 | { |
| 2283 | PositionToXY(pos, x, y); |
| 2284 | } |
| 2285 | |
| 2286 | return rc; |
| 2287 | } |
| 2288 | |
| 2289 | wxTextCtrlHitTestResult |
| 2290 | wxRichTextCtrl::HitTest(const wxPoint& pt, |
| 2291 | long * pos) const |
| 2292 | { |
| 2293 | wxClientDC dc((wxRichTextCtrl*) this); |
| 2294 | ((wxRichTextCtrl*)this)->PrepareDC(dc); |
| 2295 | |
| 2296 | // Buffer uses logical position (relative to start of buffer) |
| 2297 | // so convert |
| 2298 | wxPoint pt2 = GetLogicalPoint(pt); |
| 2299 | |
| 2300 | int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt2, *pos); |
| 2301 | |
| 2302 | if ((hit & wxRICHTEXT_HITTEST_BEFORE) && (hit & wxRICHTEXT_HITTEST_OUTSIDE)) |
| 2303 | return wxTE_HT_BEFORE; |
| 2304 | else if ((hit & wxRICHTEXT_HITTEST_AFTER) && (hit & wxRICHTEXT_HITTEST_OUTSIDE)) |
| 2305 | return wxTE_HT_BEYOND; |
| 2306 | else if (hit & (wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_AFTER)) |
| 2307 | return wxTE_HT_ON_TEXT; |
| 2308 | |
| 2309 | return wxTE_HT_UNKNOWN; |
| 2310 | } |
| 2311 | |
| 2312 | // ---------------------------------------------------------------------------- |
| 2313 | // set/get the controls text |
| 2314 | // ---------------------------------------------------------------------------- |
| 2315 | |
| 2316 | wxString wxRichTextCtrl::DoGetValue() const |
| 2317 | { |
| 2318 | return GetBuffer().GetText(); |
| 2319 | } |
| 2320 | |
| 2321 | wxString wxRichTextCtrl::GetRange(long from, long to) const |
| 2322 | { |
| 2323 | // Public API for range is different from internals |
| 2324 | return GetBuffer().GetTextForRange(wxRichTextRange(from, to-1)); |
| 2325 | } |
| 2326 | |
| 2327 | void wxRichTextCtrl::DoSetValue(const wxString& value, int flags) |
| 2328 | { |
| 2329 | // Don't call Clear here, since it always sends a text updated event |
| 2330 | m_buffer.ResetAndClearCommands(); |
| 2331 | m_buffer.SetDirty(true); |
| 2332 | m_caretPosition = -1; |
| 2333 | m_caretPositionForDefaultStyle = -2; |
| 2334 | m_caretAtLineStart = false; |
| 2335 | m_selectionRange.SetRange(-2, -2); |
| 2336 | |
| 2337 | Scroll(0,0); |
| 2338 | |
| 2339 | if (!IsFrozen()) |
| 2340 | { |
| 2341 | LayoutContent(); |
| 2342 | Refresh(false); |
| 2343 | } |
| 2344 | |
| 2345 | if (!value.IsEmpty()) |
| 2346 | { |
| 2347 | // Remove empty paragraph |
| 2348 | GetBuffer().Clear(); |
| 2349 | DoWriteText(value, flags); |
| 2350 | |
| 2351 | // for compatibility, don't move the cursor when doing SetValue() |
| 2352 | SetInsertionPoint(0); |
| 2353 | } |
| 2354 | else |
| 2355 | { |
| 2356 | // still send an event for consistency |
| 2357 | if (flags & SetValue_SendEvent) |
| 2358 | wxTextCtrl::SendTextUpdatedEvent(this); |
| 2359 | } |
| 2360 | DiscardEdits(); |
| 2361 | } |
| 2362 | |
| 2363 | void wxRichTextCtrl::WriteText(const wxString& value) |
| 2364 | { |
| 2365 | DoWriteText(value); |
| 2366 | } |
| 2367 | |
| 2368 | void wxRichTextCtrl::DoWriteText(const wxString& value, int flags) |
| 2369 | { |
| 2370 | wxString valueUnix = wxTextFile::Translate(value, wxTextFileType_Unix); |
| 2371 | |
| 2372 | GetBuffer().InsertTextWithUndo(m_caretPosition+1, valueUnix, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE); |
| 2373 | |
| 2374 | if ( flags & SetValue_SendEvent ) |
| 2375 | wxTextCtrl::SendTextUpdatedEvent(this); |
| 2376 | } |
| 2377 | |
| 2378 | void wxRichTextCtrl::AppendText(const wxString& text) |
| 2379 | { |
| 2380 | SetInsertionPointEnd(); |
| 2381 | |
| 2382 | WriteText(text); |
| 2383 | } |
| 2384 | |
| 2385 | /// Write an image at the current insertion point |
| 2386 | bool wxRichTextCtrl::WriteImage(const wxImage& image, wxBitmapType bitmapType) |
| 2387 | { |
| 2388 | wxRichTextImageBlock imageBlock; |
| 2389 | |
| 2390 | wxImage image2 = image; |
| 2391 | if (imageBlock.MakeImageBlock(image2, bitmapType)) |
| 2392 | return WriteImage(imageBlock); |
| 2393 | |
| 2394 | return false; |
| 2395 | } |
| 2396 | |
| 2397 | bool wxRichTextCtrl::WriteImage(const wxString& filename, wxBitmapType bitmapType) |
| 2398 | { |
| 2399 | wxRichTextImageBlock imageBlock; |
| 2400 | |
| 2401 | wxImage image; |
| 2402 | if (imageBlock.MakeImageBlock(filename, bitmapType, image, false)) |
| 2403 | return WriteImage(imageBlock); |
| 2404 | |
| 2405 | return false; |
| 2406 | } |
| 2407 | |
| 2408 | bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock& imageBlock) |
| 2409 | { |
| 2410 | return GetBuffer().InsertImageWithUndo(m_caretPosition+1, imageBlock, this); |
| 2411 | } |
| 2412 | |
| 2413 | bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, wxBitmapType bitmapType) |
| 2414 | { |
| 2415 | if (bitmap.Ok()) |
| 2416 | { |
| 2417 | wxRichTextImageBlock imageBlock; |
| 2418 | |
| 2419 | wxImage image = bitmap.ConvertToImage(); |
| 2420 | if (image.Ok() && imageBlock.MakeImageBlock(image, bitmapType)) |
| 2421 | return WriteImage(imageBlock); |
| 2422 | } |
| 2423 | |
| 2424 | return false; |
| 2425 | } |
| 2426 | |
| 2427 | /// Insert a newline (actually paragraph) at the current insertion point. |
| 2428 | bool wxRichTextCtrl::Newline() |
| 2429 | { |
| 2430 | return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE); |
| 2431 | } |
| 2432 | |
| 2433 | /// Insert a line break at the current insertion point. |
| 2434 | bool wxRichTextCtrl::LineBreak() |
| 2435 | { |
| 2436 | wxString text; |
| 2437 | text = wxRichTextLineBreakChar; |
| 2438 | return GetBuffer().InsertTextWithUndo(m_caretPosition+1, text, this); |
| 2439 | } |
| 2440 | |
| 2441 | // ---------------------------------------------------------------------------- |
| 2442 | // Clipboard operations |
| 2443 | // ---------------------------------------------------------------------------- |
| 2444 | |
| 2445 | void wxRichTextCtrl::Copy() |
| 2446 | { |
| 2447 | if (CanCopy()) |
| 2448 | { |
| 2449 | wxRichTextRange range = GetInternalSelectionRange(); |
| 2450 | GetBuffer().CopyToClipboard(range); |
| 2451 | } |
| 2452 | } |
| 2453 | |
| 2454 | void wxRichTextCtrl::Cut() |
| 2455 | { |
| 2456 | if (CanCut()) |
| 2457 | { |
| 2458 | wxRichTextRange range = GetInternalSelectionRange(); |
| 2459 | GetBuffer().CopyToClipboard(range); |
| 2460 | |
| 2461 | DeleteSelectedContent(); |
| 2462 | LayoutContent(); |
| 2463 | Refresh(false); |
| 2464 | } |
| 2465 | } |
| 2466 | |
| 2467 | void wxRichTextCtrl::Paste() |
| 2468 | { |
| 2469 | if (CanPaste()) |
| 2470 | { |
| 2471 | BeginBatchUndo(_("Paste")); |
| 2472 | |
| 2473 | long newPos = m_caretPosition; |
| 2474 | DeleteSelectedContent(& newPos); |
| 2475 | |
| 2476 | GetBuffer().PasteFromClipboard(newPos); |
| 2477 | |
| 2478 | EndBatchUndo(); |
| 2479 | } |
| 2480 | } |
| 2481 | |
| 2482 | void wxRichTextCtrl::DeleteSelection() |
| 2483 | { |
| 2484 | if (CanDeleteSelection()) |
| 2485 | { |
| 2486 | DeleteSelectedContent(); |
| 2487 | } |
| 2488 | } |
| 2489 | |
| 2490 | bool wxRichTextCtrl::HasSelection() const |
| 2491 | { |
| 2492 | return m_selectionRange.GetStart() != -2 && m_selectionRange.GetEnd() != -2; |
| 2493 | } |
| 2494 | |
| 2495 | bool wxRichTextCtrl::CanCopy() const |
| 2496 | { |
| 2497 | // Can copy if there's a selection |
| 2498 | return HasSelection(); |
| 2499 | } |
| 2500 | |
| 2501 | bool wxRichTextCtrl::CanCut() const |
| 2502 | { |
| 2503 | return HasSelection() && IsEditable(); |
| 2504 | } |
| 2505 | |
| 2506 | bool wxRichTextCtrl::CanPaste() const |
| 2507 | { |
| 2508 | if ( !IsEditable() ) |
| 2509 | return false; |
| 2510 | |
| 2511 | return GetBuffer().CanPasteFromClipboard(); |
| 2512 | } |
| 2513 | |
| 2514 | bool wxRichTextCtrl::CanDeleteSelection() const |
| 2515 | { |
| 2516 | return HasSelection() && IsEditable(); |
| 2517 | } |
| 2518 | |
| 2519 | |
| 2520 | // ---------------------------------------------------------------------------- |
| 2521 | // Accessors |
| 2522 | // ---------------------------------------------------------------------------- |
| 2523 | |
| 2524 | void wxRichTextCtrl::SetEditable(bool editable) |
| 2525 | { |
| 2526 | m_editable = editable; |
| 2527 | } |
| 2528 | |
| 2529 | void wxRichTextCtrl::SetInsertionPoint(long pos) |
| 2530 | { |
| 2531 | SelectNone(); |
| 2532 | |
| 2533 | m_caretPosition = pos - 1; |
| 2534 | |
| 2535 | PositionCaret(); |
| 2536 | } |
| 2537 | |
| 2538 | void wxRichTextCtrl::SetInsertionPointEnd() |
| 2539 | { |
| 2540 | long pos = GetLastPosition(); |
| 2541 | SetInsertionPoint(pos); |
| 2542 | } |
| 2543 | |
| 2544 | long wxRichTextCtrl::GetInsertionPoint() const |
| 2545 | { |
| 2546 | return m_caretPosition+1; |
| 2547 | } |
| 2548 | |
| 2549 | wxTextPos wxRichTextCtrl::GetLastPosition() const |
| 2550 | { |
| 2551 | return GetBuffer().GetRange().GetEnd(); |
| 2552 | } |
| 2553 | |
| 2554 | // If the return values from and to are the same, there is no |
| 2555 | // selection. |
| 2556 | void wxRichTextCtrl::GetSelection(long* from, long* to) const |
| 2557 | { |
| 2558 | *from = m_selectionRange.GetStart(); |
| 2559 | *to = m_selectionRange.GetEnd(); |
| 2560 | if ((*to) != -1 && (*to) != -2) |
| 2561 | (*to) ++; |
| 2562 | } |
| 2563 | |
| 2564 | bool wxRichTextCtrl::IsEditable() const |
| 2565 | { |
| 2566 | return m_editable; |
| 2567 | } |
| 2568 | |
| 2569 | // ---------------------------------------------------------------------------- |
| 2570 | // selection |
| 2571 | // ---------------------------------------------------------------------------- |
| 2572 | |
| 2573 | void wxRichTextCtrl::SetSelection(long from, long to) |
| 2574 | { |
| 2575 | // if from and to are both -1, it means (in wxWidgets) that all text should |
| 2576 | // be selected. |
| 2577 | if ( (from == -1) && (to == -1) ) |
| 2578 | { |
| 2579 | from = 0; |
| 2580 | to = GetLastPosition()+1; |
| 2581 | } |
| 2582 | |
| 2583 | if (from == to) |
| 2584 | { |
| 2585 | SelectNone(); |
| 2586 | } |
| 2587 | else |
| 2588 | { |
| 2589 | wxRichTextRange oldSelection = m_selectionRange; |
| 2590 | m_selectionAnchor = from; |
| 2591 | m_selectionRange.SetRange(from, to-1); |
| 2592 | if (from > -2) |
| 2593 | m_caretPosition = from-1; |
| 2594 | |
| 2595 | RefreshForSelectionChange(oldSelection, m_selectionRange); |
| 2596 | PositionCaret(); |
| 2597 | } |
| 2598 | } |
| 2599 | |
| 2600 | // ---------------------------------------------------------------------------- |
| 2601 | // Editing |
| 2602 | // ---------------------------------------------------------------------------- |
| 2603 | |
| 2604 | void wxRichTextCtrl::Replace(long WXUNUSED(from), long WXUNUSED(to), |
| 2605 | const wxString& value) |
| 2606 | { |
| 2607 | BeginBatchUndo(_("Replace")); |
| 2608 | |
| 2609 | DeleteSelectedContent(); |
| 2610 | |
| 2611 | DoWriteText(value, SetValue_SelectionOnly); |
| 2612 | |
| 2613 | EndBatchUndo(); |
| 2614 | } |
| 2615 | |
| 2616 | void wxRichTextCtrl::Remove(long from, long to) |
| 2617 | { |
| 2618 | SelectNone(); |
| 2619 | |
| 2620 | GetBuffer().DeleteRangeWithUndo(wxRichTextRange(from, to-1), this); |
| 2621 | |
| 2622 | LayoutContent(); |
| 2623 | if (!IsFrozen()) |
| 2624 | Refresh(false); |
| 2625 | } |
| 2626 | |
| 2627 | bool wxRichTextCtrl::IsModified() const |
| 2628 | { |
| 2629 | return m_buffer.IsModified(); |
| 2630 | } |
| 2631 | |
| 2632 | void wxRichTextCtrl::MarkDirty() |
| 2633 | { |
| 2634 | m_buffer.Modify(true); |
| 2635 | } |
| 2636 | |
| 2637 | void wxRichTextCtrl::DiscardEdits() |
| 2638 | { |
| 2639 | m_caretPositionForDefaultStyle = -2; |
| 2640 | m_buffer.Modify(false); |
| 2641 | m_buffer.GetCommandProcessor()->ClearCommands(); |
| 2642 | } |
| 2643 | |
| 2644 | int wxRichTextCtrl::GetNumberOfLines() const |
| 2645 | { |
| 2646 | return GetBuffer().GetParagraphCount(); |
| 2647 | } |
| 2648 | |
| 2649 | // ---------------------------------------------------------------------------- |
| 2650 | // Positions <-> coords |
| 2651 | // ---------------------------------------------------------------------------- |
| 2652 | |
| 2653 | long wxRichTextCtrl::XYToPosition(long x, long y) const |
| 2654 | { |
| 2655 | return GetBuffer().XYToPosition(x, y); |
| 2656 | } |
| 2657 | |
| 2658 | bool wxRichTextCtrl::PositionToXY(long pos, long *x, long *y) const |
| 2659 | { |
| 2660 | return GetBuffer().PositionToXY(pos, x, y); |
| 2661 | } |
| 2662 | |
| 2663 | // ---------------------------------------------------------------------------- |
| 2664 | // |
| 2665 | // ---------------------------------------------------------------------------- |
| 2666 | |
| 2667 | void wxRichTextCtrl::ShowPosition(long pos) |
| 2668 | { |
| 2669 | if (!IsPositionVisible(pos)) |
| 2670 | ScrollIntoView(pos-1, WXK_DOWN); |
| 2671 | } |
| 2672 | |
| 2673 | int wxRichTextCtrl::GetLineLength(long lineNo) const |
| 2674 | { |
| 2675 | return GetBuffer().GetParagraphLength(lineNo); |
| 2676 | } |
| 2677 | |
| 2678 | wxString wxRichTextCtrl::GetLineText(long lineNo) const |
| 2679 | { |
| 2680 | return GetBuffer().GetParagraphText(lineNo); |
| 2681 | } |
| 2682 | |
| 2683 | // ---------------------------------------------------------------------------- |
| 2684 | // Undo/redo |
| 2685 | // ---------------------------------------------------------------------------- |
| 2686 | |
| 2687 | void wxRichTextCtrl::Undo() |
| 2688 | { |
| 2689 | if (CanUndo()) |
| 2690 | { |
| 2691 | GetCommandProcessor()->Undo(); |
| 2692 | } |
| 2693 | } |
| 2694 | |
| 2695 | void wxRichTextCtrl::Redo() |
| 2696 | { |
| 2697 | if (CanRedo()) |
| 2698 | { |
| 2699 | GetCommandProcessor()->Redo(); |
| 2700 | } |
| 2701 | } |
| 2702 | |
| 2703 | bool wxRichTextCtrl::CanUndo() const |
| 2704 | { |
| 2705 | return GetCommandProcessor()->CanUndo(); |
| 2706 | } |
| 2707 | |
| 2708 | bool wxRichTextCtrl::CanRedo() const |
| 2709 | { |
| 2710 | return GetCommandProcessor()->CanRedo(); |
| 2711 | } |
| 2712 | |
| 2713 | // ---------------------------------------------------------------------------- |
| 2714 | // implementation details |
| 2715 | // ---------------------------------------------------------------------------- |
| 2716 | |
| 2717 | void wxRichTextCtrl::Command(wxCommandEvent& event) |
| 2718 | { |
| 2719 | SetValue(event.GetString()); |
| 2720 | GetEventHandler()->ProcessEvent(event); |
| 2721 | } |
| 2722 | |
| 2723 | void wxRichTextCtrl::OnDropFiles(wxDropFilesEvent& event) |
| 2724 | { |
| 2725 | // By default, load the first file into the text window. |
| 2726 | if (event.GetNumberOfFiles() > 0) |
| 2727 | { |
| 2728 | LoadFile(event.GetFiles()[0]); |
| 2729 | } |
| 2730 | } |
| 2731 | |
| 2732 | wxSize wxRichTextCtrl::DoGetBestSize() const |
| 2733 | { |
| 2734 | return wxSize(10, 10); |
| 2735 | } |
| 2736 | |
| 2737 | // ---------------------------------------------------------------------------- |
| 2738 | // standard handlers for standard edit menu events |
| 2739 | // ---------------------------------------------------------------------------- |
| 2740 | |
| 2741 | void wxRichTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
| 2742 | { |
| 2743 | Cut(); |
| 2744 | } |
| 2745 | |
| 2746 | void wxRichTextCtrl::OnClear(wxCommandEvent& WXUNUSED(event)) |
| 2747 | { |
| 2748 | DeleteSelection(); |
| 2749 | } |
| 2750 | |
| 2751 | void wxRichTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) |
| 2752 | { |
| 2753 | Copy(); |
| 2754 | } |
| 2755 | |
| 2756 | void wxRichTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) |
| 2757 | { |
| 2758 | Paste(); |
| 2759 | } |
| 2760 | |
| 2761 | void wxRichTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) |
| 2762 | { |
| 2763 | Undo(); |
| 2764 | } |
| 2765 | |
| 2766 | void wxRichTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) |
| 2767 | { |
| 2768 | Redo(); |
| 2769 | } |
| 2770 | |
| 2771 | void wxRichTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) |
| 2772 | { |
| 2773 | event.Enable( CanCut() ); |
| 2774 | } |
| 2775 | |
| 2776 | void wxRichTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) |
| 2777 | { |
| 2778 | event.Enable( CanCopy() ); |
| 2779 | } |
| 2780 | |
| 2781 | void wxRichTextCtrl::OnUpdateClear(wxUpdateUIEvent& event) |
| 2782 | { |
| 2783 | event.Enable( CanDeleteSelection() ); |
| 2784 | } |
| 2785 | |
| 2786 | void wxRichTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) |
| 2787 | { |
| 2788 | event.Enable( CanPaste() ); |
| 2789 | } |
| 2790 | |
| 2791 | void wxRichTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) |
| 2792 | { |
| 2793 | event.Enable( CanUndo() ); |
| 2794 | event.SetText( GetCommandProcessor()->GetUndoMenuLabel() ); |
| 2795 | } |
| 2796 | |
| 2797 | void wxRichTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) |
| 2798 | { |
| 2799 | event.Enable( CanRedo() ); |
| 2800 | event.SetText( GetCommandProcessor()->GetRedoMenuLabel() ); |
| 2801 | } |
| 2802 | |
| 2803 | void wxRichTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) |
| 2804 | { |
| 2805 | SelectAll(); |
| 2806 | } |
| 2807 | |
| 2808 | void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event) |
| 2809 | { |
| 2810 | event.Enable(GetLastPosition() > 0); |
| 2811 | } |
| 2812 | |
| 2813 | void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& event) |
| 2814 | { |
| 2815 | if (event.GetEventObject() != this) |
| 2816 | { |
| 2817 | event.Skip(); |
| 2818 | return; |
| 2819 | } |
| 2820 | |
| 2821 | if (!m_contextMenu) |
| 2822 | { |
| 2823 | m_contextMenu = new wxMenu; |
| 2824 | m_contextMenu->Append(wxID_UNDO, _("&Undo")); |
| 2825 | m_contextMenu->Append(wxID_REDO, _("&Redo")); |
| 2826 | m_contextMenu->AppendSeparator(); |
| 2827 | m_contextMenu->Append(wxID_CUT, _("Cu&t")); |
| 2828 | m_contextMenu->Append(wxID_COPY, _("&Copy")); |
| 2829 | m_contextMenu->Append(wxID_PASTE, _("&Paste")); |
| 2830 | m_contextMenu->Append(wxID_CLEAR, _("&Delete")); |
| 2831 | m_contextMenu->AppendSeparator(); |
| 2832 | m_contextMenu->Append(wxID_SELECTALL, _("Select &All")); |
| 2833 | } |
| 2834 | PopupMenu(m_contextMenu); |
| 2835 | return; |
| 2836 | } |
| 2837 | |
| 2838 | bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) |
| 2839 | { |
| 2840 | return GetBuffer().SetStyle(wxRichTextRange(start, end-1), wxTextAttr(style)); |
| 2841 | } |
| 2842 | |
| 2843 | bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxTextAttr& style) |
| 2844 | { |
| 2845 | return GetBuffer().SetStyle(range.ToInternal(), style); |
| 2846 | } |
| 2847 | |
| 2848 | // extended style setting operation with flags including: |
| 2849 | // wxRICHTEXT_SETSTYLE_WITH_UNDO, wxRICHTEXT_SETSTYLE_OPTIMIZE, wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY. |
| 2850 | // see richtextbuffer.h for more details. |
| 2851 | |
| 2852 | bool wxRichTextCtrl::SetStyleEx(const wxRichTextRange& range, const wxTextAttr& style, int flags) |
| 2853 | { |
| 2854 | return GetBuffer().SetStyle(range.ToInternal(), style, flags); |
| 2855 | } |
| 2856 | |
| 2857 | bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr& style) |
| 2858 | { |
| 2859 | return GetBuffer().SetDefaultStyle(wxTextAttr(style)); |
| 2860 | } |
| 2861 | |
| 2862 | const wxTextAttr& wxRichTextCtrl::GetDefaultStyle() const |
| 2863 | { |
| 2864 | return GetBuffer().GetDefaultStyle(); |
| 2865 | } |
| 2866 | |
| 2867 | bool wxRichTextCtrl::GetStyle(long position, wxTextAttr& style) |
| 2868 | { |
| 2869 | return GetBuffer().GetStyle(position, style); |
| 2870 | } |
| 2871 | |
| 2872 | // get the common set of styles for the range |
| 2873 | bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style) |
| 2874 | { |
| 2875 | return GetBuffer().GetStyleForRange(range.ToInternal(), style); |
| 2876 | } |
| 2877 | |
| 2878 | /// Get the content (uncombined) attributes for this position. |
| 2879 | bool wxRichTextCtrl::GetUncombinedStyle(long position, wxTextAttr& style) |
| 2880 | { |
| 2881 | return GetBuffer().GetUncombinedStyle(position, style); |
| 2882 | } |
| 2883 | |
| 2884 | /// Set font, and also the buffer attributes |
| 2885 | bool wxRichTextCtrl::SetFont(const wxFont& font) |
| 2886 | { |
| 2887 | wxTextCtrlBase::SetFont(font); |
| 2888 | |
| 2889 | wxTextAttr attr = GetBuffer().GetAttributes(); |
| 2890 | attr.SetFont(font); |
| 2891 | GetBuffer().SetBasicStyle(attr); |
| 2892 | |
| 2893 | GetBuffer().Invalidate(wxRICHTEXT_ALL); |
| 2894 | Refresh(false); |
| 2895 | |
| 2896 | return true; |
| 2897 | } |
| 2898 | |
| 2899 | /// Transform logical to physical |
| 2900 | wxPoint wxRichTextCtrl::GetPhysicalPoint(const wxPoint& ptLogical) const |
| 2901 | { |
| 2902 | wxPoint pt; |
| 2903 | CalcScrolledPosition(ptLogical.x, ptLogical.y, & pt.x, & pt.y); |
| 2904 | |
| 2905 | return pt; |
| 2906 | } |
| 2907 | |
| 2908 | /// Transform physical to logical |
| 2909 | wxPoint wxRichTextCtrl::GetLogicalPoint(const wxPoint& ptPhysical) const |
| 2910 | { |
| 2911 | wxPoint pt; |
| 2912 | CalcUnscrolledPosition(ptPhysical.x, ptPhysical.y, & pt.x, & pt.y); |
| 2913 | |
| 2914 | return pt; |
| 2915 | } |
| 2916 | |
| 2917 | /// Position the caret |
| 2918 | void wxRichTextCtrl::PositionCaret() |
| 2919 | { |
| 2920 | if (!GetCaret()) |
| 2921 | return; |
| 2922 | |
| 2923 | //wxLogDebug(wxT("PositionCaret")); |
| 2924 | |
| 2925 | wxRect caretRect; |
| 2926 | if (GetCaretPositionForIndex(GetCaretPosition(), caretRect)) |
| 2927 | { |
| 2928 | wxPoint newPt = caretRect.GetPosition(); |
| 2929 | wxSize newSz = caretRect.GetSize(); |
| 2930 | wxPoint pt = GetPhysicalPoint(newPt); |
| 2931 | if (GetCaret()->GetPosition() != pt || GetCaret()->GetSize() != newSz) |
| 2932 | { |
| 2933 | GetCaret()->Hide(); |
| 2934 | if (GetCaret()->GetSize() != newSz) |
| 2935 | GetCaret()->SetSize(newSz); |
| 2936 | |
| 2937 | int halfSize = newSz.y/2; |
| 2938 | // If the caret is beyond the margin, hide it by moving it out of the way |
| 2939 | if (((pt.y + halfSize) < GetBuffer().GetTopMargin()) || ((pt.y + halfSize) > (GetClientSize().y - GetBuffer().GetBottomMargin()))) |
| 2940 | pt.y = -200; |
| 2941 | |
| 2942 | GetCaret()->Move(pt); |
| 2943 | GetCaret()->Show(); |
| 2944 | } |
| 2945 | } |
| 2946 | } |
| 2947 | |
| 2948 | /// Get the caret height and position for the given character position |
| 2949 | bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect) |
| 2950 | { |
| 2951 | wxClientDC dc(this); |
| 2952 | dc.SetFont(GetFont()); |
| 2953 | |
| 2954 | PrepareDC(dc); |
| 2955 | |
| 2956 | wxPoint pt; |
| 2957 | int height = 0; |
| 2958 | |
| 2959 | if (GetBuffer().FindPosition(dc, position, pt, & height, m_caretAtLineStart)) |
| 2960 | { |
| 2961 | // Caret height can't be zero |
| 2962 | if (height == 0) |
| 2963 | height = dc.GetCharHeight(); |
| 2964 | |
| 2965 | rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height)); |
| 2966 | return true; |
| 2967 | } |
| 2968 | |
| 2969 | return false; |
| 2970 | } |
| 2971 | |
| 2972 | /// Gets the line for the visible caret position. If the caret is |
| 2973 | /// shown at the very end of the line, it means the next character is actually |
| 2974 | /// on the following line. So let's get the line we're expecting to find |
| 2975 | /// if this is the case. |
| 2976 | wxRichTextLine* wxRichTextCtrl::GetVisibleLineForCaretPosition(long caretPosition) const |
| 2977 | { |
| 2978 | wxRichTextLine* line = GetBuffer().GetLineAtPosition(caretPosition, true); |
| 2979 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(caretPosition, true); |
| 2980 | if (line) |
| 2981 | { |
| 2982 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
| 2983 | if (caretPosition == lineRange.GetStart()-1 && |
| 2984 | (para->GetRange().GetStart() != lineRange.GetStart())) |
| 2985 | { |
| 2986 | if (!m_caretAtLineStart) |
| 2987 | line = GetBuffer().GetLineAtPosition(caretPosition-1, true); |
| 2988 | } |
| 2989 | } |
| 2990 | return line; |
| 2991 | } |
| 2992 | |
| 2993 | |
| 2994 | /// Move the caret to the given character position |
| 2995 | bool wxRichTextCtrl::MoveCaret(long pos, bool showAtLineStart) |
| 2996 | { |
| 2997 | if (GetBuffer().GetDirty()) |
| 2998 | LayoutContent(); |
| 2999 | |
| 3000 | if (pos <= GetBuffer().GetRange().GetEnd()) |
| 3001 | { |
| 3002 | SetCaretPosition(pos, showAtLineStart); |
| 3003 | |
| 3004 | PositionCaret(); |
| 3005 | |
| 3006 | return true; |
| 3007 | } |
| 3008 | else |
| 3009 | return false; |
| 3010 | } |
| 3011 | |
| 3012 | /// Layout the buffer: which we must do before certain operations, such as |
| 3013 | /// setting the caret position. |
| 3014 | bool wxRichTextCtrl::LayoutContent(bool onlyVisibleRect) |
| 3015 | { |
| 3016 | if (GetBuffer().GetDirty() || onlyVisibleRect) |
| 3017 | { |
| 3018 | wxRect availableSpace(GetClientSize()); |
| 3019 | if (availableSpace.width == 0) |
| 3020 | availableSpace.width = 10; |
| 3021 | if (availableSpace.height == 0) |
| 3022 | availableSpace.height = 10; |
| 3023 | |
| 3024 | int flags = wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT; |
| 3025 | if (onlyVisibleRect) |
| 3026 | { |
| 3027 | flags |= wxRICHTEXT_LAYOUT_SPECIFIED_RECT; |
| 3028 | availableSpace.SetPosition(GetLogicalPoint(wxPoint(0, 0))); |
| 3029 | } |
| 3030 | |
| 3031 | wxClientDC dc(this); |
| 3032 | dc.SetFont(GetFont()); |
| 3033 | |
| 3034 | PrepareDC(dc); |
| 3035 | |
| 3036 | GetBuffer().Defragment(); |
| 3037 | GetBuffer().UpdateRanges(); // If items were deleted, ranges need recalculation |
| 3038 | GetBuffer().Layout(dc, availableSpace, flags); |
| 3039 | GetBuffer().SetDirty(false); |
| 3040 | |
| 3041 | if (!IsFrozen()) |
| 3042 | SetupScrollbars(); |
| 3043 | } |
| 3044 | |
| 3045 | return true; |
| 3046 | } |
| 3047 | |
| 3048 | /// Is all of the selection bold? |
| 3049 | bool wxRichTextCtrl::IsSelectionBold() |
| 3050 | { |
| 3051 | if (HasSelection()) |
| 3052 | { |
| 3053 | wxTextAttr attr; |
| 3054 | wxRichTextRange range = GetSelectionRange(); |
| 3055 | attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT); |
| 3056 | attr.SetFontWeight(wxFONTWEIGHT_BOLD); |
| 3057 | |
| 3058 | return HasCharacterAttributes(range, attr); |
| 3059 | } |
| 3060 | else |
| 3061 | { |
| 3062 | // If no selection, then we need to combine current style with default style |
| 3063 | // to see what the effect would be if we started typing. |
| 3064 | wxTextAttr attr; |
| 3065 | attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT); |
| 3066 | |
| 3067 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 3068 | if (GetStyle(pos, attr)) |
| 3069 | { |
| 3070 | if (IsDefaultStyleShowing()) |
| 3071 | wxRichTextApplyStyle(attr, GetDefaultStyleEx()); |
| 3072 | return attr.GetFontWeight() == wxFONTWEIGHT_BOLD; |
| 3073 | } |
| 3074 | } |
| 3075 | return false; |
| 3076 | } |
| 3077 | |
| 3078 | /// Is all of the selection italics? |
| 3079 | bool wxRichTextCtrl::IsSelectionItalics() |
| 3080 | { |
| 3081 | if (HasSelection()) |
| 3082 | { |
| 3083 | wxRichTextRange range = GetSelectionRange(); |
| 3084 | wxTextAttr attr; |
| 3085 | attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC); |
| 3086 | attr.SetFontStyle(wxFONTSTYLE_ITALIC); |
| 3087 | |
| 3088 | return HasCharacterAttributes(range, attr); |
| 3089 | } |
| 3090 | else |
| 3091 | { |
| 3092 | // If no selection, then we need to combine current style with default style |
| 3093 | // to see what the effect would be if we started typing. |
| 3094 | wxTextAttr attr; |
| 3095 | attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC); |
| 3096 | |
| 3097 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 3098 | if (GetStyle(pos, attr)) |
| 3099 | { |
| 3100 | if (IsDefaultStyleShowing()) |
| 3101 | wxRichTextApplyStyle(attr, GetDefaultStyleEx()); |
| 3102 | return attr.GetFontStyle() == wxFONTSTYLE_ITALIC; |
| 3103 | } |
| 3104 | } |
| 3105 | return false; |
| 3106 | } |
| 3107 | |
| 3108 | /// Is all of the selection underlined? |
| 3109 | bool wxRichTextCtrl::IsSelectionUnderlined() |
| 3110 | { |
| 3111 | if (HasSelection()) |
| 3112 | { |
| 3113 | wxRichTextRange range = GetSelectionRange(); |
| 3114 | wxTextAttr attr; |
| 3115 | attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE); |
| 3116 | attr.SetFontUnderlined(true); |
| 3117 | |
| 3118 | return HasCharacterAttributes(range, attr); |
| 3119 | } |
| 3120 | else |
| 3121 | { |
| 3122 | // If no selection, then we need to combine current style with default style |
| 3123 | // to see what the effect would be if we started typing. |
| 3124 | wxTextAttr attr; |
| 3125 | attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE); |
| 3126 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 3127 | |
| 3128 | if (GetStyle(pos, attr)) |
| 3129 | { |
| 3130 | if (IsDefaultStyleShowing()) |
| 3131 | wxRichTextApplyStyle(attr, GetDefaultStyleEx()); |
| 3132 | return attr.GetFontUnderlined(); |
| 3133 | } |
| 3134 | } |
| 3135 | return false; |
| 3136 | } |
| 3137 | |
| 3138 | /// Apply bold to the selection |
| 3139 | bool wxRichTextCtrl::ApplyBoldToSelection() |
| 3140 | { |
| 3141 | wxTextAttr attr; |
| 3142 | attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT); |
| 3143 | attr.SetFontWeight(IsSelectionBold() ? wxFONTWEIGHT_NORMAL : wxFONTWEIGHT_BOLD); |
| 3144 | |
| 3145 | if (HasSelection()) |
| 3146 | return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY); |
| 3147 | else |
| 3148 | { |
| 3149 | wxRichTextAttr current = GetDefaultStyleEx(); |
| 3150 | current.Apply(attr); |
| 3151 | SetAndShowDefaultStyle(current); |
| 3152 | } |
| 3153 | return true; |
| 3154 | } |
| 3155 | |
| 3156 | /// Apply italic to the selection |
| 3157 | bool wxRichTextCtrl::ApplyItalicToSelection() |
| 3158 | { |
| 3159 | wxTextAttr attr; |
| 3160 | attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC); |
| 3161 | attr.SetFontStyle(IsSelectionItalics() ? wxFONTSTYLE_NORMAL : wxFONTSTYLE_ITALIC); |
| 3162 | |
| 3163 | if (HasSelection()) |
| 3164 | return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY); |
| 3165 | else |
| 3166 | { |
| 3167 | wxRichTextAttr current = GetDefaultStyleEx(); |
| 3168 | current.Apply(attr); |
| 3169 | SetAndShowDefaultStyle(current); |
| 3170 | } |
| 3171 | return true; |
| 3172 | } |
| 3173 | |
| 3174 | /// Apply underline to the selection |
| 3175 | bool wxRichTextCtrl::ApplyUnderlineToSelection() |
| 3176 | { |
| 3177 | wxTextAttr attr; |
| 3178 | attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE); |
| 3179 | attr.SetFontUnderlined(!IsSelectionUnderlined()); |
| 3180 | |
| 3181 | if (HasSelection()) |
| 3182 | return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY); |
| 3183 | else |
| 3184 | { |
| 3185 | wxRichTextAttr current = GetDefaultStyleEx(); |
| 3186 | current.Apply(attr); |
| 3187 | SetAndShowDefaultStyle(current); |
| 3188 | } |
| 3189 | return true; |
| 3190 | } |
| 3191 | |
| 3192 | /// Is all of the selection aligned according to the specified flag? |
| 3193 | bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment) |
| 3194 | { |
| 3195 | wxRichTextRange range; |
| 3196 | if (HasSelection()) |
| 3197 | range = GetSelectionRange(); |
| 3198 | else |
| 3199 | range = wxRichTextRange(GetCaretPosition()+1, GetCaretPosition()+2); |
| 3200 | |
| 3201 | wxTextAttr attr; |
| 3202 | attr.SetAlignment(alignment); |
| 3203 | |
| 3204 | return HasParagraphAttributes(range, attr); |
| 3205 | } |
| 3206 | |
| 3207 | /// Apply alignment to the selection |
| 3208 | bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment) |
| 3209 | { |
| 3210 | wxTextAttr attr; |
| 3211 | attr.SetAlignment(alignment); |
| 3212 | if (HasSelection()) |
| 3213 | return SetStyle(GetSelectionRange(), attr); |
| 3214 | else |
| 3215 | { |
| 3216 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1); |
| 3217 | if (para) |
| 3218 | return SetStyleEx(para->GetRange().FromInternal(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY); |
| 3219 | } |
| 3220 | return true; |
| 3221 | } |
| 3222 | |
| 3223 | /// Apply a named style to the selection |
| 3224 | bool wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def) |
| 3225 | { |
| 3226 | // Flags are defined within each definition, so only certain |
| 3227 | // attributes are applied. |
| 3228 | wxTextAttr attr(GetStyleSheet() ? def->GetStyleMergedWithBase(GetStyleSheet()) : def->GetStyle()); |
| 3229 | |
| 3230 | int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_RESET; |
| 3231 | |
| 3232 | if (def->IsKindOf(CLASSINFO(wxRichTextListStyleDefinition))) |
| 3233 | { |
| 3234 | flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY; |
| 3235 | |
| 3236 | wxRichTextRange range; |
| 3237 | |
| 3238 | if (HasSelection()) |
| 3239 | range = GetSelectionRange(); |
| 3240 | else |
| 3241 | { |
| 3242 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 3243 | range = wxRichTextRange(pos, pos+1); |
| 3244 | } |
| 3245 | |
| 3246 | return SetListStyle(range, (wxRichTextListStyleDefinition*) def, flags); |
| 3247 | } |
| 3248 | |
| 3249 | // Make sure the attr has the style name |
| 3250 | if (def->IsKindOf(CLASSINFO(wxRichTextParagraphStyleDefinition))) |
| 3251 | { |
| 3252 | attr.SetParagraphStyleName(def->GetName()); |
| 3253 | |
| 3254 | // If applying a paragraph style, we only want the paragraph nodes to adopt these |
| 3255 | // attributes, and not the leaf nodes. This will allow the content (e.g. text) |
| 3256 | // to change its style independently. |
| 3257 | flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY; |
| 3258 | } |
| 3259 | else |
| 3260 | attr.SetCharacterStyleName(def->GetName()); |
| 3261 | |
| 3262 | if (HasSelection()) |
| 3263 | return SetStyleEx(GetSelectionRange(), attr, flags); |
| 3264 | else |
| 3265 | { |
| 3266 | wxRichTextAttr current = GetDefaultStyleEx(); |
| 3267 | current.Apply(attr); |
| 3268 | SetAndShowDefaultStyle(current); |
| 3269 | return true; |
| 3270 | } |
| 3271 | } |
| 3272 | |
| 3273 | /// Apply the style sheet to the buffer, for example if the styles have changed. |
| 3274 | bool wxRichTextCtrl::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet) |
| 3275 | { |
| 3276 | if (!styleSheet) |
| 3277 | styleSheet = GetBuffer().GetStyleSheet(); |
| 3278 | if (!styleSheet) |
| 3279 | return false; |
| 3280 | |
| 3281 | if (GetBuffer().ApplyStyleSheet(styleSheet)) |
| 3282 | { |
| 3283 | GetBuffer().Invalidate(wxRICHTEXT_ALL); |
| 3284 | Refresh(false); |
| 3285 | return true; |
| 3286 | } |
| 3287 | else |
| 3288 | return false; |
| 3289 | } |
| 3290 | |
| 3291 | /// Sets the default style to the style under the cursor |
| 3292 | bool wxRichTextCtrl::SetDefaultStyleToCursorStyle() |
| 3293 | { |
| 3294 | wxTextAttr attr; |
| 3295 | attr.SetFlags(wxTEXT_ATTR_CHARACTER); |
| 3296 | |
| 3297 | // If at the start of a paragraph, use the next position. |
| 3298 | long pos = GetAdjustedCaretPosition(GetCaretPosition()); |
| 3299 | |
| 3300 | if (GetUncombinedStyle(pos, attr)) |
| 3301 | { |
| 3302 | SetDefaultStyle(attr); |
| 3303 | return true; |
| 3304 | } |
| 3305 | |
| 3306 | return false; |
| 3307 | } |
| 3308 | |
| 3309 | /// Returns the first visible position in the current view |
| 3310 | long wxRichTextCtrl::GetFirstVisiblePosition() const |
| 3311 | { |
| 3312 | wxRichTextLine* line = GetBuffer().GetLineAtYPosition(GetLogicalPoint(wxPoint(0, 0)).y); |
| 3313 | if (line) |
| 3314 | return line->GetAbsoluteRange().GetStart(); |
| 3315 | else |
| 3316 | return 0; |
| 3317 | } |
| 3318 | |
| 3319 | /// Get the first visible point in the window |
| 3320 | wxPoint wxRichTextCtrl::GetFirstVisiblePoint() const |
| 3321 | { |
| 3322 | int ppuX, ppuY; |
| 3323 | int startXUnits, startYUnits; |
| 3324 | |
| 3325 | GetScrollPixelsPerUnit(& ppuX, & ppuY); |
| 3326 | GetViewStart(& startXUnits, & startYUnits); |
| 3327 | |
| 3328 | return wxPoint(startXUnits * ppuX, startYUnits * ppuY); |
| 3329 | } |
| 3330 | |
| 3331 | /// The adjusted caret position is the character position adjusted to take |
| 3332 | /// into account whether we're at the start of a paragraph, in which case |
| 3333 | /// style information should be taken from the next position, not current one. |
| 3334 | long wxRichTextCtrl::GetAdjustedCaretPosition(long caretPos) const |
| 3335 | { |
| 3336 | wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(caretPos+1); |
| 3337 | |
| 3338 | if (para && (caretPos+1 == para->GetRange().GetStart())) |
| 3339 | caretPos ++; |
| 3340 | return caretPos; |
| 3341 | } |
| 3342 | |
| 3343 | /// Get/set the selection range in character positions. -1, -1 means no selection. |
| 3344 | /// The range is in API convention, i.e. a single character selection is denoted |
| 3345 | /// by (n, n+1) |
| 3346 | wxRichTextRange wxRichTextCtrl::GetSelectionRange() const |
| 3347 | { |
| 3348 | wxRichTextRange range = GetInternalSelectionRange(); |
| 3349 | if (range != wxRichTextRange(-2,-2) && range != wxRichTextRange(-1,-1)) |
| 3350 | range.SetEnd(range.GetEnd() + 1); |
| 3351 | return range; |
| 3352 | } |
| 3353 | |
| 3354 | void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range) |
| 3355 | { |
| 3356 | wxRichTextRange range1(range); |
| 3357 | if (range1 != wxRichTextRange(-2,-2) && range1 != wxRichTextRange(-1,-1) ) |
| 3358 | range1.SetEnd(range1.GetEnd() - 1); |
| 3359 | |
| 3360 | wxASSERT( range1.GetStart() > range1.GetEnd() ); |
| 3361 | |
| 3362 | SetInternalSelectionRange(range1); |
| 3363 | } |
| 3364 | |
| 3365 | /// Set list style |
| 3366 | bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel) |
| 3367 | { |
| 3368 | return GetBuffer().SetListStyle(range.ToInternal(), def, flags, startFrom, specifiedLevel); |
| 3369 | } |
| 3370 | |
| 3371 | bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel) |
| 3372 | { |
| 3373 | return GetBuffer().SetListStyle(range.ToInternal(), defName, flags, startFrom, specifiedLevel); |
| 3374 | } |
| 3375 | |
| 3376 | /// Clear list for given range |
| 3377 | bool wxRichTextCtrl::ClearListStyle(const wxRichTextRange& range, int flags) |
| 3378 | { |
| 3379 | return GetBuffer().ClearListStyle(range.ToInternal(), flags); |
| 3380 | } |
| 3381 | |
| 3382 | /// Number/renumber any list elements in the given range |
| 3383 | bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel) |
| 3384 | { |
| 3385 | return GetBuffer().NumberList(range.ToInternal(), def, flags, startFrom, specifiedLevel); |
| 3386 | } |
| 3387 | |
| 3388 | bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel) |
| 3389 | { |
| 3390 | return GetBuffer().NumberList(range.ToInternal(), defName, flags, startFrom, specifiedLevel); |
| 3391 | } |
| 3392 | |
| 3393 | /// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1 |
| 3394 | bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel) |
| 3395 | { |
| 3396 | return GetBuffer().PromoteList(promoteBy, range.ToInternal(), def, flags, specifiedLevel); |
| 3397 | } |
| 3398 | |
| 3399 | bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel) |
| 3400 | { |
| 3401 | return GetBuffer().PromoteList(promoteBy, range.ToInternal(), defName, flags, specifiedLevel); |
| 3402 | } |
| 3403 | |
| 3404 | /// Deletes the content in the given range |
| 3405 | bool wxRichTextCtrl::Delete(const wxRichTextRange& range) |
| 3406 | { |
| 3407 | return GetBuffer().DeleteRangeWithUndo(range.ToInternal(), this); |
| 3408 | } |
| 3409 | |
| 3410 | const wxArrayString& wxRichTextCtrl::GetAvailableFontNames() |
| 3411 | { |
| 3412 | if (sm_availableFontNames.GetCount() == 0) |
| 3413 | { |
| 3414 | sm_availableFontNames = wxFontEnumerator::GetFacenames(); |
| 3415 | sm_availableFontNames.Sort(); |
| 3416 | } |
| 3417 | return sm_availableFontNames; |
| 3418 | } |
| 3419 | |
| 3420 | void wxRichTextCtrl::ClearAvailableFontNames() |
| 3421 | { |
| 3422 | sm_availableFontNames.Clear(); |
| 3423 | } |
| 3424 | |
| 3425 | void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) |
| 3426 | { |
| 3427 | //wxLogDebug(wxT("wxRichTextCtrl::OnSysColourChanged")); |
| 3428 | |
| 3429 | wxTextAttrEx basicStyle = GetBasicStyle(); |
| 3430 | basicStyle.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)); |
| 3431 | SetBasicStyle(basicStyle); |
| 3432 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
| 3433 | |
| 3434 | Refresh(); |
| 3435 | } |
| 3436 | |
| 3437 | // Refresh the area affected by a selection change |
| 3438 | bool wxRichTextCtrl::RefreshForSelectionChange(const wxRichTextRange& oldSelection, const wxRichTextRange& newSelection) |
| 3439 | { |
| 3440 | // Calculate the refresh rectangle - just the affected lines |
| 3441 | long firstPos, lastPos; |
| 3442 | if (oldSelection.GetStart() == -2 && newSelection.GetStart() != -2) |
| 3443 | { |
| 3444 | firstPos = newSelection.GetStart(); |
| 3445 | lastPos = newSelection.GetEnd(); |
| 3446 | } |
| 3447 | else if (oldSelection.GetStart() != -2 && newSelection.GetStart() == -2) |
| 3448 | { |
| 3449 | firstPos = oldSelection.GetStart(); |
| 3450 | lastPos = oldSelection.GetEnd(); |
| 3451 | } |
| 3452 | else if (oldSelection.GetStart() == -2 && newSelection.GetStart() == -2) |
| 3453 | { |
| 3454 | return false; |
| 3455 | } |
| 3456 | else |
| 3457 | { |
| 3458 | firstPos = wxMin(oldSelection.GetStart(), newSelection.GetStart()); |
| 3459 | lastPos = wxMax(oldSelection.GetEnd(), newSelection.GetEnd()); |
| 3460 | } |
| 3461 | |
| 3462 | wxRichTextLine* firstLine = GetBuffer().GetLineAtPosition(firstPos); |
| 3463 | wxRichTextLine* lastLine = GetBuffer().GetLineAtPosition(lastPos); |
| 3464 | |
| 3465 | if (firstLine && lastLine) |
| 3466 | { |
| 3467 | wxSize clientSize = GetClientSize(); |
| 3468 | wxPoint pt1 = GetPhysicalPoint(firstLine->GetAbsolutePosition()); |
| 3469 | wxPoint pt2 = GetPhysicalPoint(lastLine->GetAbsolutePosition()) + wxPoint(0, lastLine->GetSize().y); |
| 3470 | |
| 3471 | pt1.x = 0; |
| 3472 | pt1.y = wxMax(0, pt1.y); |
| 3473 | pt2.x = 0; |
| 3474 | pt2.y = wxMin(clientSize.y, pt2.y); |
| 3475 | |
| 3476 | wxRect rect(pt1, wxSize(clientSize.x, pt2.y - pt1.y)); |
| 3477 | RefreshRect(rect, false); |
| 3478 | } |
| 3479 | else |
| 3480 | Refresh(false); |
| 3481 | |
| 3482 | return true; |
| 3483 | } |
| 3484 | |
| 3485 | #if wxRICHTEXT_USE_OWN_CARET |
| 3486 | |
| 3487 | // ---------------------------------------------------------------------------- |
| 3488 | // initialization and destruction |
| 3489 | // ---------------------------------------------------------------------------- |
| 3490 | |
| 3491 | void wxRichTextCaret::Init() |
| 3492 | { |
| 3493 | m_hasFocus = true; |
| 3494 | |
| 3495 | m_xOld = |
| 3496 | m_yOld = -1; |
| 3497 | m_richTextCtrl = NULL; |
| 3498 | m_needsUpdate = false; |
| 3499 | m_flashOn = true; |
| 3500 | } |
| 3501 | |
| 3502 | wxRichTextCaret::~wxRichTextCaret() |
| 3503 | { |
| 3504 | if (m_timer.IsRunning()) |
| 3505 | m_timer.Stop(); |
| 3506 | } |
| 3507 | |
| 3508 | // ---------------------------------------------------------------------------- |
| 3509 | // showing/hiding/moving the caret (base class interface) |
| 3510 | // ---------------------------------------------------------------------------- |
| 3511 | |
| 3512 | void wxRichTextCaret::DoShow() |
| 3513 | { |
| 3514 | m_flashOn = true; |
| 3515 | |
| 3516 | if (!m_timer.IsRunning()) |
| 3517 | m_timer.Start(GetBlinkTime()); |
| 3518 | |
| 3519 | Refresh(); |
| 3520 | } |
| 3521 | |
| 3522 | void wxRichTextCaret::DoHide() |
| 3523 | { |
| 3524 | if (m_timer.IsRunning()) |
| 3525 | m_timer.Stop(); |
| 3526 | |
| 3527 | Refresh(); |
| 3528 | } |
| 3529 | |
| 3530 | void wxRichTextCaret::DoMove() |
| 3531 | { |
| 3532 | if (IsVisible()) |
| 3533 | { |
| 3534 | Refresh(); |
| 3535 | |
| 3536 | if (m_xOld != -1 && m_yOld != -1) |
| 3537 | { |
| 3538 | if (m_richTextCtrl) |
| 3539 | { |
| 3540 | wxRect rect(GetPosition(), GetSize()); |
| 3541 | m_richTextCtrl->RefreshRect(rect, false); |
| 3542 | } |
| 3543 | } |
| 3544 | } |
| 3545 | |
| 3546 | m_xOld = m_x; |
| 3547 | m_yOld = m_y; |
| 3548 | } |
| 3549 | |
| 3550 | void wxRichTextCaret::DoSize() |
| 3551 | { |
| 3552 | int countVisible = m_countVisible; |
| 3553 | if (countVisible > 0) |
| 3554 | { |
| 3555 | m_countVisible = 0; |
| 3556 | DoHide(); |
| 3557 | } |
| 3558 | |
| 3559 | if (countVisible > 0) |
| 3560 | { |
| 3561 | m_countVisible = countVisible; |
| 3562 | DoShow(); |
| 3563 | } |
| 3564 | } |
| 3565 | |
| 3566 | // ---------------------------------------------------------------------------- |
| 3567 | // handling the focus |
| 3568 | // ---------------------------------------------------------------------------- |
| 3569 | |
| 3570 | void wxRichTextCaret::OnSetFocus() |
| 3571 | { |
| 3572 | m_hasFocus = true; |
| 3573 | |
| 3574 | if ( IsVisible() ) |
| 3575 | Refresh(); |
| 3576 | } |
| 3577 | |
| 3578 | void wxRichTextCaret::OnKillFocus() |
| 3579 | { |
| 3580 | m_hasFocus = false; |
| 3581 | } |
| 3582 | |
| 3583 | // ---------------------------------------------------------------------------- |
| 3584 | // drawing the caret |
| 3585 | // ---------------------------------------------------------------------------- |
| 3586 | |
| 3587 | void wxRichTextCaret::Refresh() |
| 3588 | { |
| 3589 | if (m_richTextCtrl) |
| 3590 | { |
| 3591 | wxRect rect(GetPosition(), GetSize()); |
| 3592 | m_richTextCtrl->RefreshRect(rect, false); |
| 3593 | } |
| 3594 | } |
| 3595 | |
| 3596 | void wxRichTextCaret::DoDraw(wxDC *dc) |
| 3597 | { |
| 3598 | dc->SetPen( *wxBLACK_PEN ); |
| 3599 | |
| 3600 | dc->SetBrush(*(m_hasFocus ? wxBLACK_BRUSH : wxTRANSPARENT_BRUSH)); |
| 3601 | dc->SetPen(*wxBLACK_PEN); |
| 3602 | |
| 3603 | wxPoint pt(m_x, m_y); |
| 3604 | |
| 3605 | if (m_richTextCtrl) |
| 3606 | { |
| 3607 | pt = m_richTextCtrl->GetLogicalPoint(pt); |
| 3608 | } |
| 3609 | if (IsVisible() && m_flashOn) |
| 3610 | dc->DrawRectangle(pt.x, pt.y, m_width, m_height); |
| 3611 | } |
| 3612 | |
| 3613 | void wxRichTextCaret::Notify() |
| 3614 | { |
| 3615 | m_flashOn = !m_flashOn; |
| 3616 | Refresh(); |
| 3617 | } |
| 3618 | |
| 3619 | void wxRichTextCaretTimer::Notify() |
| 3620 | { |
| 3621 | m_caret->Notify(); |
| 3622 | } |
| 3623 | #endif |
| 3624 | // wxRICHTEXT_USE_OWN_CARET |
| 3625 | |
| 3626 | #endif |
| 3627 | // wxUSE_RICHTEXT |