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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gridg.cpp
3 // Purpose: wxGenericGrid
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart and Markus Holzem
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "gridg.h"
14 #pragma interface
15 #endif
16
17 // For compilers that support precompilation, includes "wx/wx.h".
18 #include "wx/wxprec.h"
19
20 #ifdef __BORLANDC__
21 #pragma hdrstop
22 #endif
23
24 #ifndef WX_PRECOMP
25 #include "wx/wx.h"
26 #endif
27
28 #include <string.h>
29
30 #include "wx/string.h"
31 #include "wx/generic/gridg.h"
32 #include "wx/settings.h"
33
34 // Set to zero to use no double-buffering
35 #ifdef __WXMSW__
36 #define wxUSE_DOUBLE_BUFFERING 1
37 #else
38 #define wxUSE_DOUBLE_BUFFERING 0
39 #endif
40
41 #define wxGRID_DRAG_NONE 0
42 #define wxGRID_DRAG_LEFT_RIGHT 1
43 #define wxGRID_DRAG_UP_DOWN 2
44
45 IMPLEMENT_DYNAMIC_CLASS(wxGenericGrid, wxPanel)
46 IMPLEMENT_DYNAMIC_CLASS(wxGridEvent, wxEvent)
47
48 BEGIN_EVENT_TABLE(wxGenericGrid, wxPanel)
49 EVT_SIZE(wxGenericGrid::OnSize)
50 EVT_PAINT(wxGenericGrid::OnPaint)
51 EVT_ERASE_BACKGROUND(wxGenericGrid::OnEraseBackground)
52 EVT_MOUSE_EVENTS(wxGenericGrid::OnMouseEvent)
53 EVT_TEXT(wxGRID_TEXT_CTRL, wxGenericGrid::OnText)
54 EVT_COMMAND_SCROLL(wxGRID_HSCROLL, wxGenericGrid::OnGridScroll)
55 EVT_COMMAND_SCROLL(wxGRID_VSCROLL, wxGenericGrid::OnGridScroll)
56
57 // default wxGridEvent handlers
58 EVT_GRID_SELECT_CELL(wxGenericGrid::_OnSelectCell)
59 EVT_GRID_CREATE_CELL(wxGenericGrid::_OnCreateCell)
60 EVT_GRID_CHANGE_LABELS(wxGenericGrid::_OnChangeLabels)
61 EVT_GRID_CHANGE_SEL_LABEL(wxGenericGrid::_OnChangeSelectionLabel)
62 EVT_GRID_CELL_CHANGE(wxGenericGrid::_OnCellChange)
63 EVT_GRID_CELL_LCLICK(wxGenericGrid::_OnCellLeftClick)
64 EVT_GRID_CELL_RCLICK(wxGenericGrid::_OnCellRightClick)
65 EVT_GRID_LABEL_LCLICK(wxGenericGrid::_OnLabelLeftClick)
66 EVT_GRID_LABEL_RCLICK(wxGenericGrid::_OnLabelRightClick)
67
68 END_EVENT_TABLE()
69
70
71
72
73 wxGenericGrid::wxGenericGrid(void)
74 {
75 m_batchCount = 0;
76 m_hScrollBar = (wxScrollBar *) NULL;
77 m_vScrollBar = (wxScrollBar *) NULL;
78 m_cellTextColour = *wxBLACK;
79 m_cellBackgroundColour = *wxWHITE;
80 m_labelTextColour = *wxBLACK;
81 // m_labelBackgroundColour = *wxLIGHT_GREY;
82 m_labelBackgroundColour = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
83 m_labelBackgroundBrush = wxNullBrush;
84 m_labelTextFont = wxNullFont;
85 m_cellTextFont = wxNullFont;
86 m_textItem = (wxTextCtrl *) NULL;
87 m_currentRectVisible = FALSE;
88 m_editable = TRUE;
89 #if defined(__WIN95__)
90 m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
91 #elif defined(__WXGTK__)
92 m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
93 #else
94 m_scrollWidth = 16;
95 #endif
96 m_dragStatus = wxGRID_DRAG_NONE;
97 m_dragRowOrCol = 0;
98 m_dragStartPosition = 0;
99 m_dragLastPosition = 0;
100 m_divisionPen = wxNullPen;
101 m_leftOfSheet = wxGRID_DEFAULT_SHEET_LEFT;
102 m_topOfSheet = wxGRID_DEFAULT_SHEET_TOP;
103 m_cellHeight = wxGRID_DEFAULT_CELL_HEIGHT;
104 m_totalGridWidth = 0;
105 m_totalGridHeight = 0;
106 m_colWidths = (short *) NULL;
107 m_rowHeights = (short *) NULL;
108 m_verticalLabelWidth = wxGRID_DEFAULT_VERTICAL_LABEL_WIDTH;
109 m_horizontalLabelHeight = wxGRID_DEFAULT_HORIZONAL_LABEL_HEIGHT;
110 m_verticalLabelAlignment = wxCENTRE;
111 m_horizontalLabelAlignment = wxCENTRE;
112 m_editControlPosition.x = wxGRID_DEFAULT_EDIT_X;
113 m_editControlPosition.y = wxGRID_DEFAULT_EDIT_Y;
114 m_editControlPosition.width = wxGRID_DEFAULT_EDIT_WIDTH;
115 m_editControlPosition.height = wxGRID_DEFAULT_EDIT_HEIGHT;
116 m_wCursorRow = 0;
117 m_wCursorColumn = 0;
118 m_scrollPosX = 0;
119 m_scrollPosY = 0;
120 m_editCreated = FALSE;
121 m_totalRows = 0;
122 m_totalCols = 0;
123 m_gridCells = (wxGridCell ***) NULL;
124 m_rowLabelCells = (wxGridCell **) NULL;
125 m_colLabelCells = (wxGridCell **) NULL;
126 m_textItem = (wxTextCtrl *) NULL;
127 }
128
129 bool wxGenericGrid::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
130 long style, const wxString& name)
131 {
132 m_batchCount = 0;
133 m_editingPanel = (wxPanel *) NULL;
134 m_hScrollBar = (wxScrollBar *) NULL;
135 m_vScrollBar = (wxScrollBar *) NULL;
136 m_cellTextColour = *wxBLACK;
137 m_cellBackgroundColour = *wxWHITE;
138 m_labelTextColour = *wxBLACK;
139 // m_labelBackgroundColour = *wxLIGHT_GREY;
140 m_labelBackgroundColour = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
141 m_labelBackgroundBrush = wxNullBrush;
142 m_labelTextFont = * wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxBOLD);
143 m_cellTextFont = * wxTheFontList->FindOrCreateFont(10, wxSWISS, wxNORMAL, wxNORMAL);
144 m_textItem = (wxTextCtrl *) NULL;
145 m_currentRectVisible = FALSE;
146 m_editable = TRUE;
147 #if defined(__WIN95__)
148 m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
149 #elif defined(__WXGTK__)
150 m_scrollWidth = wxSystemSettings::GetSystemMetric(wxSYS_VSCROLL_X);
151 #else
152 m_scrollWidth = 16;
153 #endif
154 m_dragStatus = wxGRID_DRAG_NONE;
155 m_dragRowOrCol = 0;
156 m_dragStartPosition = 0;
157 m_dragLastPosition = 0;
158 m_divisionPen = * wxThePenList->FindOrCreatePen("LIGHT GREY", 1, wxSOLID);
159 m_doubleBufferingBitmap = (wxBitmap *) NULL;
160
161 if (!m_horizontalSashCursor.Ok())
162 {
163 m_horizontalSashCursor = wxCursor(wxCURSOR_SIZEWE);
164 m_verticalSashCursor = wxCursor(wxCURSOR_SIZENS);
165 }
166
167 SetLabelBackgroundColour(m_labelBackgroundColour);
168
169 m_leftOfSheet = wxGRID_DEFAULT_SHEET_LEFT;
170 m_topOfSheet = wxGRID_DEFAULT_SHEET_TOP;
171 m_cellHeight = wxGRID_DEFAULT_CELL_HEIGHT;
172 m_totalGridWidth = 0;
173 m_totalGridHeight = 0;
174 m_colWidths = (short *) NULL;
175 m_rowHeights = (short *) NULL;
176
177 m_verticalLabelWidth = wxGRID_DEFAULT_VERTICAL_LABEL_WIDTH;
178 m_horizontalLabelHeight = wxGRID_DEFAULT_HORIZONAL_LABEL_HEIGHT;
179 m_verticalLabelAlignment = wxCENTRE;
180 m_horizontalLabelAlignment = wxCENTRE;
181 m_editControlPosition.x = wxGRID_DEFAULT_EDIT_X;
182 m_editControlPosition.y = wxGRID_DEFAULT_EDIT_Y;
183 m_editControlPosition.width = wxGRID_DEFAULT_EDIT_WIDTH;
184 m_editControlPosition.height = wxGRID_DEFAULT_EDIT_HEIGHT;
185
186 m_wCursorRow = 0;
187 m_wCursorColumn = 0;
188
189 m_scrollPosX = 0;
190 m_scrollPosY = 0;
191
192 /* Store the rect. coordinates for the current cell */
193 SetCurrentRect(m_wCursorRow, m_wCursorColumn);
194
195 m_editCreated = FALSE;
196
197 m_totalRows = 0;
198 m_totalCols = 0;
199 m_gridCells = (wxGridCell ***) NULL;
200 m_rowLabelCells = (wxGridCell **) NULL;
201 m_colLabelCells = (wxGridCell **) NULL;
202 m_textItem = (wxTextCtrl *) NULL;
203
204 wxPanel::Create(parent, id, pos, size, style, name);
205
206 m_editingPanel = new wxPanel(this);
207
208 m_textItem = new wxTextCtrl(m_editingPanel, wxGRID_TEXT_CTRL, "",
209 wxPoint(m_editControlPosition.x, m_editControlPosition.y), wxSize(m_editControlPosition.width, -1),
210 0);
211 m_textItem->Show(TRUE);
212 m_textItem->SetFocus();
213 int controlW, controlH;
214
215 m_textItem->GetSize(&controlW, &controlH);
216 m_editControlPosition.height = controlH;
217
218 m_topOfSheet = m_editControlPosition.y + controlH + 2;
219
220 m_editCreated = TRUE;
221
222 m_hScrollBar = new wxScrollBar(this, wxGRID_HSCROLL, wxPoint(0, 0), wxSize(20, 100), wxHORIZONTAL);
223 m_vScrollBar = new wxScrollBar(this, wxGRID_VSCROLL, wxPoint(0, 0), wxSize(100, 20), wxVERTICAL);
224
225 // SetSize(pos.x, pos.y, size.x, size.y);
226
227 return TRUE;
228 }
229
230 wxGenericGrid::~wxGenericGrid(void)
231 {
232 ClearGrid();
233 }
234
235 void wxGenericGrid::ClearGrid(void)
236 {
237 int i,j;
238 if (m_gridCells)
239 {
240 for (i = 0; i < m_totalRows; i++)
241 {
242 for (j = 0; j < m_totalCols; j++)
243 if (m_gridCells[i][j])
244 delete m_gridCells[i][j];
245 delete[] m_gridCells[i];
246 }
247 delete[] m_gridCells;
248 m_gridCells = (wxGridCell ***) NULL;
249 }
250 if (m_colWidths)
251 delete[] m_colWidths;
252 m_colWidths = (short *) NULL;
253 if (m_rowHeights)
254 delete[] m_rowHeights;
255 m_rowHeights = (short *) NULL;
256
257 if (m_rowLabelCells)
258 {
259 for (i = 0; i < m_totalRows; i++)
260 delete m_rowLabelCells[i];
261 delete[] m_rowLabelCells;
262 m_rowLabelCells = (wxGridCell **) NULL;
263 }
264 if (m_colLabelCells)
265 {
266 for (i = 0; i < m_totalCols; i++)
267 delete m_colLabelCells[i];
268 delete[] m_colLabelCells;
269 m_colLabelCells = (wxGridCell **) NULL;
270 }
271 if (m_doubleBufferingBitmap)
272 {
273 delete m_doubleBufferingBitmap;
274 m_doubleBufferingBitmap = (wxBitmap *) NULL;
275 }
276 }
277
278 bool wxGenericGrid::CreateGrid(int nRows, int nCols, wxString **cellValues, short *widths,
279 short defaultWidth, short defaultHeight)
280 {
281 m_totalRows = nRows;
282 m_totalCols = nCols;
283
284 int i,j;
285 m_colWidths = new short[nCols];
286 m_rowHeights = new short[nRows];
287 for (i = 0; i < nCols; i++)
288 if (widths)
289 m_colWidths[i] = widths[i];
290 else
291 m_colWidths[i] = defaultWidth;
292 for (i = 0; i < nRows; i++)
293 m_rowHeights[i] = defaultHeight;
294
295 m_gridCells = new wxGridCell **[nRows];
296
297 for (i = 0; i < nRows; i++)
298 m_gridCells[i] = new wxGridCell *[nCols];
299
300 for (i = 0; i < nRows; i++)
301 for (j = 0; j < nCols; j++)
302 if (cellValues)
303 {
304 //m_gridCells[i][j] = OnCreateCell();
305 wxGridEvent g_evt(GetId(), wxEVT_GRID_CREATE_CELL, this, i, j);
306 GetEventHandler()->ProcessEvent(g_evt);
307 m_gridCells[i][j] = g_evt.m_cell;
308 m_gridCells[i][j]->SetTextValue(cellValues[i][j]);
309 }
310 else
311 m_gridCells[i][j] = (wxGridCell *) NULL;
312
313 m_rowLabelCells = new wxGridCell *[nRows];
314 for (i = 0; i < nRows; i++)
315 m_rowLabelCells[i] = new wxGridCell(this);
316 m_colLabelCells = new wxGridCell *[nCols];
317 for (i = 0; i < nCols; i++)
318 m_colLabelCells[i] = new wxGridCell(this);
319
320 m_wCursorRow = m_wCursorColumn = 0;
321 SetCurrentRect(0, 0);
322
323 // Need to determine various dimensions
324 UpdateDimensions();
325
326 // Number of 'lines'
327 int objectSizeX = m_totalCols;
328 int pageSizeX = 1;
329 int viewLengthX = m_totalCols;
330
331 /*
332 m_hScrollBar->SetViewLength(viewLengthX);
333 m_hScrollBar->SetObjectLength(objectSizeX);
334 m_hScrollBar->SetPageSize(pageSizeX);
335 */
336 m_hScrollBar->SetScrollbar(m_hScrollBar->GetThumbPosition(), pageSizeX, objectSizeX, viewLengthX);
337
338 int objectSizeY = m_totalRows;
339 int pageSizeY = 1;
340 int viewLengthY = m_totalRows;
341
342 /*
343 m_vScrollBar->SetViewLength(viewLengthY);
344 m_vScrollBar->SetObjectLength(objectSizeY);
345 m_vScrollBar->SetPageSize(pageSizeY);
346 */
347
348 m_vScrollBar->SetScrollbar(m_vScrollBar->GetThumbPosition(), pageSizeY, objectSizeY, viewLengthY);
349
350 AdjustScrollbars();
351
352 //OnChangeLabels();
353 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_LABELS, this);
354 GetEventHandler()->ProcessEvent(g_evt);
355
356 //OnChangeSelectionLabel();
357 wxGridEvent g_evt2(GetId(), wxEVT_GRID_CHANGE_SEL_LABEL, this);
358 GetEventHandler()->ProcessEvent(g_evt2);
359
360 return TRUE;
361 }
362
363 // Need to determine various dimensions
364 void wxGenericGrid::UpdateDimensions(void)
365 {
366 int canvasWidth, canvasHeight;
367 GetSize(&canvasWidth, &canvasHeight);
368
369 if (m_editCreated && m_editable)
370 {
371 int controlW, controlH;
372 GetTextItem()->GetSize(&controlW, &controlH);
373 m_topOfSheet = m_editControlPosition.y + controlH + 2;
374 }
375 else
376 m_topOfSheet = 0;
377 m_rightOfSheet = m_leftOfSheet + m_verticalLabelWidth;
378 int i;
379 for (i = m_scrollPosX; i < m_totalCols; i++)
380 {
381 if (m_rightOfSheet > canvasWidth)
382 break;
383 else
384 m_rightOfSheet += m_colWidths[i];
385 }
386 m_bottomOfSheet = m_topOfSheet + m_horizontalLabelHeight;
387 for (i = m_scrollPosY; i < m_totalRows; i++)
388 {
389 if (m_bottomOfSheet > canvasHeight)
390 break;
391 else
392 m_bottomOfSheet += m_rowHeights[i];
393 }
394
395 m_totalGridWidth = m_leftOfSheet + m_verticalLabelWidth;
396 for (i = 0; i < m_totalCols; i++)
397 {
398 m_totalGridWidth += m_colWidths[i];
399 }
400 m_totalGridHeight = m_topOfSheet + m_horizontalLabelHeight;
401 for (i = 0; i < m_totalRows; i++)
402 {
403 m_totalGridHeight += m_rowHeights[i];
404 }
405 }
406
407 wxGridCell *wxGenericGrid::GetCell(int row, int col) const
408 {
409 if (!m_gridCells)
410 return (wxGridCell *) NULL;
411
412 if ((row >= m_totalRows) || (col >= m_totalCols))
413 return (wxGridCell *) NULL;
414
415 wxGridCell *cell = m_gridCells[row][col];
416 if (!cell)
417 {
418 // m_gridCells[row][col] = OnCreateCell();
419 wxGridEvent g_evt(GetId(), wxEVT_GRID_CREATE_CELL, (wxGenericGrid*) this, row, col);
420 GetEventHandler()->ProcessEvent(g_evt);
421 m_gridCells[row][col] = g_evt.m_cell;
422 return m_gridCells[row][col];
423 }
424 else
425 return cell;
426 }
427
428 void wxGenericGrid::SetGridClippingRegion(wxDC *dc)
429 {
430 int m_scrollWidthHoriz = 0;
431 int m_scrollWidthVert = 0;
432 int cw, ch;
433 GetClientSize(&cw, &ch);
434
435 if (m_hScrollBar && m_hScrollBar->IsShown())
436 m_scrollWidthHoriz = m_scrollWidth;
437 if (m_vScrollBar && m_vScrollBar->IsShown())
438 m_scrollWidthVert = m_scrollWidth;
439
440 // Don't paint over the scrollbars
441 dc->SetClippingRegion(m_leftOfSheet, m_topOfSheet,
442 cw - m_scrollWidthVert - m_leftOfSheet, ch - m_scrollWidthHoriz - m_topOfSheet);
443 }
444
445 void wxGenericGrid::OnPaint(wxPaintEvent& WXUNUSED(event))
446 {
447 int w, h;
448 GetClientSize(&w, &h);
449
450 bool useDoubleBuffering = (bool) wxUSE_DOUBLE_BUFFERING;
451 if (useDoubleBuffering)
452 {
453 // Reuse the old bitmap if possible
454
455 if (!m_doubleBufferingBitmap ||
456 (m_doubleBufferingBitmap->GetWidth() < w || m_doubleBufferingBitmap->GetHeight() < h))
457 {
458 if (m_doubleBufferingBitmap)
459 delete m_doubleBufferingBitmap;
460 m_doubleBufferingBitmap = new wxBitmap(w, h);
461 }
462 if (!m_doubleBufferingBitmap || !m_doubleBufferingBitmap->Ok())
463 {
464 // If we couldn't create a new bitmap, perhaps because resources were low,
465 // then don't complain, just don't double-buffer
466 if (m_doubleBufferingBitmap)
467 delete m_doubleBufferingBitmap;
468 m_doubleBufferingBitmap = (wxBitmap *) NULL;
469 useDoubleBuffering = FALSE;
470 }
471 }
472
473 if (useDoubleBuffering)
474 {
475 wxPaintDC paintDC(this);
476 wxMemoryDC dc(& paintDC);
477 dc.SelectObject(* m_doubleBufferingBitmap);
478
479 PaintGrid(dc);
480
481 int vertScrollBarWidth = m_scrollWidth;
482 int horizScrollBarHeight = m_scrollWidth;
483 if (m_vScrollBar && !m_vScrollBar->IsShown())
484 vertScrollBarWidth = 0;
485 if (m_hScrollBar && !m_hScrollBar->IsShown())
486 horizScrollBarHeight = 0;
487
488 paintDC.Blit(m_leftOfSheet, m_topOfSheet, w - vertScrollBarWidth - m_leftOfSheet, h - horizScrollBarHeight - m_topOfSheet,
489 &dc, m_leftOfSheet, m_topOfSheet, wxCOPY);
490
491 dc.SelectObject(wxNullBitmap);
492 }
493 else
494 {
495 wxPaintDC dc(this);
496 PaintGrid(dc);
497 }
498 }
499
500 void wxGenericGrid::PaintGrid(wxDC& dc)
501 {
502 dc.BeginDrawing();
503 dc.SetOptimization(FALSE);
504
505 SetGridClippingRegion(& dc);
506
507 DrawLabelAreas(& dc);
508
509 DrawEditableArea(& dc);
510 DrawColumnLabels(& dc);
511 DrawRowLabels(& dc);
512 DrawCells(& dc);
513 DrawGridLines(& dc);
514
515 /* Hilight present cell */
516 SetCurrentRect(m_wCursorRow, m_wCursorColumn);
517 if (m_currentRectVisible)
518 HighlightCell(& dc);
519
520 dc.DestroyClippingRegion();
521 dc.SetOptimization(TRUE);
522 dc.EndDrawing();
523 }
524
525 // Erase (some of) the background.
526 // Currently, a Windows-only optimisation.
527 void wxGenericGrid::OnEraseBackground(wxEraseEvent& WXUNUSED(event) )
528 {
529 wxClientDC dc(this);
530 dc.BeginDrawing();
531 dc.SetOptimization(FALSE);
532
533 int w, h;
534 GetClientSize(& w, & h);
535 dc.SetBrush(*wxLIGHT_GREY_BRUSH);
536 dc.SetPen(*wxLIGHT_GREY_PEN);
537
538 if (m_hScrollBar && m_hScrollBar->IsShown() && m_vScrollBar && m_vScrollBar->IsShown())
539 {
540 dc.DrawRectangle(w - m_scrollWidth, h - m_scrollWidth, m_scrollWidth, m_scrollWidth);
541 }
542
543 dc.SetOptimization(TRUE);
544 dc.EndDrawing();
545 }
546
547
548 void wxGenericGrid::DrawLabelAreas(wxDC *dc)
549 {
550 int cw, ch;
551 GetClientSize(&cw, &ch);
552
553 dc->SetPen(*wxTRANSPARENT_PEN);
554 // dc->SetBrush(*dc->GetBackground());
555
556 // Should blank out any area which isn't going to be painted over.
557 // dc->DrawRectangle(m_leftOfSheet, m_bottomOfSheet, cw - m_leftOfSheet, ch - m_bottomOfSheet);
558 // dc->DrawRectangle(m_rightOfSheet, m_topOfSheet, cw - m_rightOfSheet, ch - m_topOfSheet);
559
560 // Paint the label areas
561 dc->SetBrush(m_labelBackgroundBrush);
562 // dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_rightOfSheet - m_leftOfSheet + 1, m_horizontalLabelHeight + 1);
563 dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, cw-m_leftOfSheet, m_horizontalLabelHeight + 1);
564 // dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_verticalLabelWidth + 1, m_bottomOfSheet - m_topOfSheet + 1);
565 dc->DrawRectangle(m_leftOfSheet, m_topOfSheet, m_verticalLabelWidth + 1, ch-m_topOfSheet);
566 }
567
568 void wxGenericGrid::DrawEditableArea(wxDC *dc)
569 {
570 int cw, ch;
571 GetClientSize(&cw, &ch);
572
573 dc->SetPen(*wxTRANSPARENT_PEN);
574 dc->SetBrush(*wxTheBrushList->FindOrCreateBrush(m_cellBackgroundColour, wxSOLID));
575 // dc->DrawRectangle(m_leftOfSheet+m_verticalLabelWidth, m_topOfSheet+m_horizontalLabelHeight,
576 // m_rightOfSheet-(m_leftOfSheet+m_verticalLabelWidth) + 1, m_bottomOfSheet - (m_topOfSheet+m_horizontalLabelHeight) + 1);
577 dc->DrawRectangle(m_leftOfSheet+m_verticalLabelWidth, m_topOfSheet+m_horizontalLabelHeight,
578 cw-(m_leftOfSheet+m_verticalLabelWidth), ch - (m_topOfSheet+m_horizontalLabelHeight));
579 }
580
581 void wxGenericGrid::DrawGridLines(wxDC *dc)
582 {
583 int cw, ch;
584 GetClientSize(&cw, &ch);
585
586 int i;
587
588 if (m_divisionPen.Ok())
589 {
590 dc->SetPen(m_divisionPen);
591
592 int heightCount = m_topOfSheet + m_horizontalLabelHeight;
593
594 // Draw horizontal grey lines for cells
595 for (i = m_scrollPosY; i < (m_totalRows+1); i++)
596 {
597 if (heightCount > ch)
598 break;
599 else
600 {
601 dc->DrawLine(m_leftOfSheet, heightCount,
602 cw, heightCount);
603 if (i < m_totalRows)
604 heightCount += m_rowHeights[i];
605 }
606 }
607 }
608
609 if (m_verticalLabelWidth > 0)
610 {
611 dc->SetPen(*wxBLACK_PEN);
612
613 // Draw horizontal black lines for row labels
614 int heightCount = m_topOfSheet + m_horizontalLabelHeight;
615 for (i = m_scrollPosY; i < (m_totalRows+1); i++)
616 {
617 if (heightCount > ch)
618 break;
619 else
620 {
621 dc->DrawLine(m_leftOfSheet, heightCount,
622 m_verticalLabelWidth, heightCount);
623 if (i < m_totalRows)
624 heightCount += m_rowHeights[i];
625 }
626 }
627 // Draw a black vertical line for row number cells
628 dc->DrawLine(m_leftOfSheet + m_verticalLabelWidth, m_topOfSheet,
629 m_leftOfSheet + m_verticalLabelWidth, ch);
630 // First vertical line
631 dc->DrawLine(m_leftOfSheet, m_topOfSheet, m_leftOfSheet, ch);
632
633 dc->SetPen(*wxWHITE_PEN);
634
635 // Draw highlights on row labels
636 heightCount = m_topOfSheet + m_horizontalLabelHeight;
637 for (i = m_scrollPosY; i < m_totalRows; i++)
638 {
639 if (heightCount > ch)
640 break;
641 else
642 {
643 dc->DrawLine(m_leftOfSheet+1, heightCount+1,
644 m_verticalLabelWidth, heightCount+1);
645 dc->DrawLine(m_leftOfSheet+1, heightCount+1,
646 m_leftOfSheet+1, heightCount + m_rowHeights[i] - 1);
647 heightCount += m_rowHeights[i];
648 }
649 }
650 // Last one - down to the floor.
651 dc->DrawLine(m_leftOfSheet+1, heightCount+1,
652 m_verticalLabelWidth, heightCount+1);
653 dc->DrawLine(m_leftOfSheet+1, heightCount+1,
654 m_leftOfSheet+1, ch);
655
656 }
657
658 if (m_divisionPen.Ok())
659 {
660 dc->SetPen(m_divisionPen);
661
662 // Draw vertical grey lines for cells
663 int widthCount = m_leftOfSheet + m_verticalLabelWidth;
664 for (i = m_scrollPosX; i < m_totalCols; i++)
665 {
666 if (widthCount > cw)
667 break;
668 else
669 {
670 // Skip the first one
671 if (i != m_scrollPosX)
672 {
673 dc->DrawLine(widthCount, m_topOfSheet + m_horizontalLabelHeight,
674 widthCount, m_bottomOfSheet);
675 }
676 widthCount += m_colWidths[i];
677 }
678 }
679 // Last one
680 dc->DrawLine(widthCount, m_topOfSheet + m_horizontalLabelHeight,
681 widthCount, m_bottomOfSheet);
682 }
683
684 dc->SetPen(*wxBLACK_PEN);
685
686 // Draw two black horizontal lines for column number cells
687 dc->DrawLine(
688 m_leftOfSheet, m_topOfSheet,
689 cw, m_topOfSheet);
690 dc->DrawLine(m_leftOfSheet, m_topOfSheet + m_horizontalLabelHeight,
691 cw, m_topOfSheet + m_horizontalLabelHeight);
692
693 if (m_horizontalLabelHeight > 0)
694 {
695 int widthCount = m_leftOfSheet + m_verticalLabelWidth;
696
697 // Draw black vertical lines for column number cells
698 for (i = m_scrollPosX; i < m_totalCols; i++)
699 {
700 if (widthCount > cw)
701 break;
702 else
703 {
704 dc->DrawLine(widthCount, m_topOfSheet,
705 widthCount, m_topOfSheet + m_horizontalLabelHeight);
706 widthCount += m_colWidths[i];
707 }
708 }
709
710 // Last one
711 dc->DrawLine(widthCount, m_topOfSheet,
712 widthCount, m_topOfSheet + m_horizontalLabelHeight);
713
714 // Draw highlights
715 dc->SetPen(*wxWHITE_PEN);
716 widthCount = m_leftOfSheet + m_verticalLabelWidth;
717
718 for (i = m_scrollPosX; i < m_totalCols; i++)
719 {
720 if (widthCount > cw)
721 break;
722 else
723 {
724 dc->DrawLine(widthCount+1, m_topOfSheet+1,
725 widthCount+m_colWidths[i], m_topOfSheet+1);
726 dc->DrawLine(widthCount+1, m_topOfSheet+1,
727 widthCount+1, m_topOfSheet+m_horizontalLabelHeight);
728 widthCount += m_colWidths[i];
729 }
730 }
731 // Last one - to the right side of the canvas.
732 dc->DrawLine(widthCount+1, m_topOfSheet+1,
733 cw, m_topOfSheet+1);
734 dc->DrawLine(widthCount+1, m_topOfSheet+1,
735 widthCount+1, m_topOfSheet+m_horizontalLabelHeight);
736
737 }
738 }
739
740 void wxGenericGrid::DrawColumnLabels(wxDC *dc)
741 {
742 int cw, ch;
743 GetClientSize(&cw, &ch);
744
745 if (m_horizontalLabelHeight == 0)
746 return;
747
748 int i;
749 wxRect rect;
750
751 // Draw letters for columns
752 rect.y = m_topOfSheet + 1;
753 rect.height = m_horizontalLabelHeight - 1;
754
755 dc->SetTextBackground(m_labelBackgroundColour);
756 dc->SetBackgroundMode(wxTRANSPARENT);
757 // dc->SetTextForeground(m_labelTextColour);
758
759 int widthCount = m_leftOfSheet + m_verticalLabelWidth;
760 for (i = m_scrollPosX; i < m_totalCols; i++)
761 {
762 if (widthCount > cw)
763 break;
764 else
765 {
766 rect.x = 1 + widthCount;
767 rect.width = m_colWidths[i];
768 DrawColumnLabel(dc, &rect, i);
769
770 widthCount += m_colWidths[i];
771 }
772 }
773 }
774
775 void wxGenericGrid::DrawColumnLabel(wxDC *dc, wxRect *rect, int col)
776 {
777 wxGridCell *cell = GetLabelCell(wxHORIZONTAL, col);
778 if (cell)
779 {
780 wxRect rect2;
781 rect2 = *rect;
782 rect2.x += 3;
783 rect2.y += 2;
784 rect2.width -= 5;
785 rect2.height -= 4;
786 dc->SetTextForeground(GetLabelTextColour());
787 dc->SetFont(GetLabelTextFont());
788 if ( !cell->GetTextValue().IsNull() )
789 DrawTextRect(dc, cell->GetTextValue(), &rect2, GetLabelAlignment(wxHORIZONTAL));
790 }
791 }
792
793 void wxGenericGrid::DrawRowLabels(wxDC *dc)
794 {
795 int cw, ch;
796 GetClientSize(&cw, &ch);
797
798 if (m_verticalLabelWidth == 0)
799 return;
800
801 int i;
802 wxRect rect;
803
804 // Draw numbers for rows
805 rect.x = m_leftOfSheet;
806 rect.width = m_verticalLabelWidth;
807
808 int heightCount = m_topOfSheet + m_horizontalLabelHeight;
809
810 dc->SetTextBackground(m_labelBackgroundColour);
811 dc->SetBackgroundMode(wxTRANSPARENT);
812
813 for (i = m_scrollPosY; i < m_totalRows; i++)
814 {
815 if (heightCount > ch)
816 break;
817 else
818 {
819 rect.y = 1 + heightCount;
820 rect.height = m_rowHeights[i];
821 DrawRowLabel(dc, &rect, i);
822
823 heightCount += m_rowHeights[i];
824 }
825 }
826 }
827
828 void wxGenericGrid::DrawRowLabel(wxDC *dc, wxRect *rect, int row)
829 {
830 wxGridCell *cell = GetLabelCell(wxVERTICAL, row);
831 if (cell)
832 {
833 wxRect rect2;
834 rect2 = *rect;
835 rect2.x += 3;
836 rect2.y += 2;
837 rect2.width -= 5;
838 rect2.height -= 4;
839 dc->SetTextForeground(GetLabelTextColour());
840 dc->SetFont(GetLabelTextFont());
841 if ( !cell->GetTextValue().IsNull() )
842 DrawTextRect(dc, cell->GetTextValue(), &rect2, GetLabelAlignment(wxVERTICAL));
843 }
844 }
845
846 void wxGenericGrid::DrawCells(wxDC *dc)
847 {
848 int cw, ch;
849 GetClientSize(&cw, &ch);
850
851 int i,j;
852
853 // Draw value corresponding to each cell
854 for (i = m_scrollPosY; i < m_totalRows; i++)
855 {
856 for (j = m_scrollPosX; j < m_totalCols; j++)
857 {
858 SetCurrentRect(i, j, cw, ch);
859 if (m_currentRectVisible)
860 {
861 DrawCellBackground(dc, &m_currentRect, i, j);
862 DrawCellValue(dc, &m_currentRect, i, j);
863 }
864 if (m_currentRect.x > cw)
865 break;
866 }
867 if (m_currentRect.y > ch)
868 break;
869 }
870 dc->SetBackgroundMode(wxSOLID);
871 dc->SetPen(*wxBLACK_PEN);
872 }
873
874 void wxGenericGrid::DrawCellBackground(wxDC *dc, wxRect *rect, int row, int col)
875 {
876 wxGridCell *cell = GetCell(row, col);
877 if (cell)
878 {
879 dc->SetBrush(cell->GetBackgroundBrush());
880 dc->SetPen(*wxTRANSPARENT_PEN);
881
882 #if 0 // In wxWin 2.0 the dc code is exact. RR.
883 #ifdef __WXMOTIF__
884 dc->DrawRectangle(rect->x+1, rect->y+1, rect->width-1, rect->height-1);
885 #else
886 dc->DrawRectangle(rect->x+1, rect->y+1, rect->width, rect->height);
887 #endif
888 #endif
889
890 dc->DrawRectangle(rect->x+1, rect->y+1, rect->width-1, rect->height-1);
891
892 dc->SetPen(*wxBLACK_PEN);
893 }
894 }
895
896 void wxGenericGrid::DrawCellValue(wxDC *dc, wxRect *rect, int row, int col)
897 {
898 wxGridCell *cell = GetCell(row, col);
899 if (cell)
900 {
901 wxBitmap *bitmap = cell->GetCellBitmap();
902 wxRect rect2;
903 rect2 = *rect;
904 rect2.x += 3;
905 rect2.y += 2;
906 rect2.width -= 5;
907 rect2.height -= 4;
908
909 if (bitmap)
910 {
911 DrawBitmapRect(dc, bitmap, &rect2, cell->GetAlignment());
912 }
913 else
914 {
915 dc->SetBackgroundMode(wxTRANSPARENT);
916 dc->SetTextForeground(cell->GetTextColour());
917 dc->SetFont(cell->GetFont());
918
919 if ( !cell->GetTextValue().IsNull() )
920 DrawTextRect(dc, cell->GetTextValue(), &rect2, cell->GetAlignment());
921 }
922 }
923 }
924
925 void wxGenericGrid::AdjustScrollbars(void)
926 {
927 int cw, ch;
928 GetClientSize(&cw, &ch);
929
930 // We find the view size by seeing how many rows/cols fit on
931 // the current view.
932 // BUT... this means that the scrollbar should be adjusted every time
933 // it's scrolled, as well as when sized, because with variable size rows/cols,
934 // the number of rows/col visible on the view differs according to what bit
935 // you're looking at. The object length is always the same, but the
936 // view length differs.
937
938 // Since this may not be known until the end of this function, we should probably call AdjustScrollbars
939 // twice.
940 int vertScrollBarWidth = m_scrollWidth;
941 int horizScrollBarHeight = m_scrollWidth;
942 if (m_vScrollBar && !m_vScrollBar->IsShown())
943 vertScrollBarWidth = 0;
944 if (m_hScrollBar && !m_hScrollBar->IsShown())
945 horizScrollBarHeight = 0;
946
947 int noHorizSteps = 0;
948 int noVertSteps = 0;
949
950 if (m_totalGridWidth + vertScrollBarWidth <= cw)
951 noHorizSteps = 0;
952 else
953 {
954 noHorizSteps = 0;
955 int widthCount = 0;
956
957 int i;
958 int nx = 0;
959 for (i = m_scrollPosX ; i < m_totalCols; i++)
960 {
961 widthCount += m_colWidths[i];
962 // A partial bit doesn't count, we still have to scroll to see the
963 // rest of it
964 if (widthCount + m_leftOfSheet + m_verticalLabelWidth > (cw-vertScrollBarWidth))
965 break;
966 else
967 nx ++;
968
969 }
970
971 noHorizSteps += nx;
972 }
973 if (m_totalGridHeight + horizScrollBarHeight <= ch)
974 noVertSteps = 0;
975 else
976 {
977 noVertSteps = 0;
978 int heightCount = 0;
979
980 int i;
981 int ny = 0;
982 for (i = m_scrollPosY ; i < m_totalRows; i++)
983 {
984 heightCount += m_rowHeights[i];
985 // A partial bit doesn't count, we still have to scroll to see the
986 // rest of it
987 if (heightCount + m_topOfSheet + m_horizontalLabelHeight > (ch-horizScrollBarHeight))
988 break;
989 else
990 ny ++;
991 }
992
993 noVertSteps += ny;
994 }
995
996 if (m_totalGridWidth + vertScrollBarWidth <= cw)
997 {
998 if ( m_hScrollBar )
999 m_hScrollBar->Show(FALSE);
1000 SetScrollPosX(0);
1001 }
1002 else
1003 {
1004 if ( m_hScrollBar )
1005 m_hScrollBar->Show(TRUE);
1006 }
1007
1008 if (m_totalGridHeight + horizScrollBarHeight <= ch)
1009 {
1010 if ( m_vScrollBar )
1011 m_vScrollBar->Show(FALSE);
1012 SetScrollPosY(0);
1013 }
1014 else
1015 {
1016 if ( m_vScrollBar )
1017 m_vScrollBar->Show(TRUE);
1018 }
1019
1020 UpdateDimensions(); // Necessary in case m_scrollPosX/Y changed
1021
1022 vertScrollBarWidth = m_scrollWidth;
1023 horizScrollBarHeight = m_scrollWidth;
1024 if (m_vScrollBar && !m_vScrollBar->IsShown())
1025 vertScrollBarWidth = 0;
1026 if (m_hScrollBar && !m_hScrollBar->IsShown())
1027 horizScrollBarHeight = 0;
1028
1029 if (m_hScrollBar && m_hScrollBar->IsShown())
1030 {
1031 int nCols = GetCols();
1032 m_hScrollBar->SetScrollbar(m_hScrollBar->GetThumbPosition(), wxMax(noHorizSteps, 1), (noHorizSteps == 0) ? 1 : nCols, wxMax(noHorizSteps, 1));
1033
1034 /*
1035 m_hScrollBar->SetSize(m_leftOfSheet, ch - m_scrollWidth -2, // why -2 ? Robert.
1036 cw - vertScrollBarWidth - m_leftOfSheet, m_scrollWidth);
1037 */
1038 m_hScrollBar->SetSize(m_leftOfSheet, ch - m_scrollWidth,
1039 cw - vertScrollBarWidth - m_leftOfSheet, m_scrollWidth);
1040
1041 }
1042
1043 if (m_vScrollBar && m_vScrollBar->IsShown())
1044 {
1045 int nRows = GetRows();
1046
1047 m_vScrollBar->SetScrollbar(m_vScrollBar->GetThumbPosition(), wxMax(noVertSteps, 1), (noVertSteps == 0) ? 1 : nRows, wxMax(noVertSteps, 1));
1048 m_vScrollBar->SetSize(cw - m_scrollWidth, m_topOfSheet,
1049 m_scrollWidth, ch - m_topOfSheet - horizScrollBarHeight);
1050 }
1051 }
1052
1053 void wxGenericGrid::OnSize(wxSizeEvent& WXUNUSED(event) )
1054 {
1055 if (!m_vScrollBar || !m_hScrollBar)
1056 return;
1057
1058 AdjustScrollbars();
1059
1060 int cw, ch;
1061 GetClientSize(&cw, &ch);
1062
1063 if (m_editCreated && m_editingPanel && GetTextItem() && GetTextItem()->IsShown())
1064 {
1065 m_editingPanel->SetSize(0, 0, cw, m_editControlPosition.height + m_editControlPosition.y + 2);
1066 GetTextItem()->SetSize(m_editControlPosition.x, m_editControlPosition.y,
1067 cw - 2*m_editControlPosition.x, m_editControlPosition.height);
1068 }
1069 }
1070
1071 bool wxGenericGrid::CellHitTest(int x, int y, int *row, int *col)
1072 {
1073 // Find the selected cell and call OnSelectCell
1074 if (x >= (m_leftOfSheet + m_verticalLabelWidth) && y >= (m_topOfSheet + m_horizontalLabelHeight) &&
1075 x <= m_rightOfSheet && y <= m_bottomOfSheet)
1076 {
1077 // Calculate the cell number from x and y
1078 x -= (m_verticalLabelWidth + m_leftOfSheet);
1079 y -= (m_topOfSheet + m_horizontalLabelHeight);
1080
1081 int i;
1082
1083 // Now we need to do a hit test for which row we're on
1084 int currentHeight = 0;
1085 for (i = m_scrollPosY; i < m_totalRows; i++)
1086 {
1087 if (y >= currentHeight && y <= (currentHeight + m_rowHeights[i]))
1088 {
1089 *row = i;
1090 break;
1091 }
1092 currentHeight += m_rowHeights[i];
1093 }
1094
1095 // Now we need to do a hit test for which column we're on
1096 int currentWidth = 0;
1097 for (i = m_scrollPosX; i < m_totalCols; i++)
1098 {
1099 if (x >= currentWidth && x <= (currentWidth + m_colWidths[i]))
1100 {
1101 *col = i;
1102 break;
1103 }
1104 currentWidth += m_colWidths[i];
1105 }
1106 return TRUE;
1107 }
1108 return FALSE;
1109 }
1110
1111 bool wxGenericGrid::LabelSashHitTest(int x, int y, int *orientation, int *rowOrCol, int *startPos)
1112 {
1113 int i;
1114 int tolerance = 3;
1115
1116 if (x >= (m_leftOfSheet + m_verticalLabelWidth) && y >= m_topOfSheet &&
1117 x <= m_rightOfSheet && y <= (m_topOfSheet + m_horizontalLabelHeight))
1118 {
1119 // We may be on a column label sash.
1120 int currentWidth = m_leftOfSheet + m_verticalLabelWidth;
1121 for (i = m_scrollPosX; i < m_totalCols; i++)
1122 {
1123 if (x >= (currentWidth + m_colWidths[i] - tolerance) && x <= (currentWidth + m_colWidths[i] + tolerance))
1124 {
1125 *orientation = wxHORIZONTAL;
1126 *rowOrCol = i;
1127 *startPos = currentWidth;
1128 return TRUE;
1129 }
1130 currentWidth += m_colWidths[i];
1131 }
1132 return FALSE;
1133 }
1134 else if (x >= m_leftOfSheet && y >= (m_topOfSheet + m_horizontalLabelHeight) &&
1135 x <= (m_leftOfSheet + m_verticalLabelWidth) && y <= m_bottomOfSheet)
1136 {
1137 // We may be on a row label sash.
1138 int currentHeight = m_topOfSheet + m_horizontalLabelHeight;
1139 for (i = m_scrollPosY; i < m_totalRows; i++)
1140 {
1141 if (y >= (currentHeight + m_rowHeights[i] - tolerance) && y <= (currentHeight + m_rowHeights[i] + tolerance))
1142 {
1143 *orientation = wxVERTICAL;
1144 *rowOrCol = i;
1145 *startPos = currentHeight;
1146 return TRUE;
1147 }
1148 currentHeight += m_rowHeights[i];
1149 }
1150 return FALSE;
1151 }
1152 return FALSE;
1153 }
1154
1155 bool wxGenericGrid::LabelHitTest(int x, int y, int *row, int *col)
1156 {
1157 // Find the selected label
1158 if (x >= m_leftOfSheet && y >= m_topOfSheet &&
1159 x <= m_rightOfSheet && y <= m_bottomOfSheet)
1160 {
1161 // Calculate the cell number from x and y
1162 x -= m_leftOfSheet;
1163 y -= m_topOfSheet;
1164
1165 int i;
1166
1167 // Now we need to do a hit test for which row we're on
1168 int currentHeight = m_horizontalLabelHeight;
1169 for (i = m_scrollPosY; i < m_totalRows; i++)
1170 {
1171 if (y >= currentHeight && y <= (currentHeight + m_rowHeights[i]))
1172 {
1173 *row = i;
1174 break;
1175 }
1176 currentHeight += m_rowHeights[i];
1177 }
1178 if (y >= 0 && y <= m_horizontalLabelHeight)
1179 {
1180 *row = -1;
1181 }
1182
1183 // Now we need to do a hit test for which column we're on
1184 int currentWidth = m_verticalLabelWidth;
1185 for (i = m_scrollPosX; i < m_totalCols; i++)
1186 {
1187 if (x >= currentWidth && x <= (currentWidth + m_colWidths[i]))
1188 {
1189 *col = i;
1190 break;
1191 }
1192 currentWidth += m_colWidths[i];
1193 }
1194 if (x >= 0 && x <= m_verticalLabelWidth)
1195 {
1196 *col = -1;
1197 }
1198
1199 if ((*col == -1) || (*row == -1))
1200 {
1201 return TRUE;
1202 }
1203 }
1204 return FALSE;
1205 }
1206
1207 void wxGenericGrid::OnMouseEvent(wxMouseEvent& ev)
1208 {
1209 if (ev.LeftDown())
1210 {
1211 wxClientDC dc(this);
1212 dc.BeginDrawing();
1213
1214 int row, col;
1215 if (CellHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1216 {
1217 OnSelectCellImplementation(& dc, row, col);
1218
1219 //OnCellLeftClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1220 wxGridEvent g_evt(GetId(), wxEVT_GRID_CELL_LCLICK, this,
1221 row, col, (int)ev.GetX(), (int)ev.GetY(),
1222 ev.ControlDown(), ev.ShiftDown());
1223 GetEventHandler()->ProcessEvent(g_evt);
1224
1225 }
1226 if (LabelHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1227 {
1228 //OnLabelLeftClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1229 wxGridEvent g_evt(GetId(), wxEVT_GRID_LABEL_LCLICK, this,
1230 row, col, (int)ev.GetX(), (int)ev.GetY(),
1231 ev.ControlDown(), ev.ShiftDown());
1232 GetEventHandler()->ProcessEvent(g_evt);
1233
1234 }
1235 dc.EndDrawing();
1236 }
1237 else if (ev.Dragging() && ev.LeftIsDown())
1238 {
1239 switch (m_dragStatus)
1240 {
1241 case wxGRID_DRAG_NONE:
1242 {
1243 int orientation;
1244 if (LabelSashHitTest((int)ev.GetX(), (int)ev.GetY(), &orientation, &m_dragRowOrCol, &m_dragStartPosition))
1245 {
1246 if (orientation == wxHORIZONTAL)
1247 {
1248 m_dragStatus = wxGRID_DRAG_LEFT_RIGHT;
1249 SetCursor(m_horizontalSashCursor);
1250 m_dragLastPosition = (int)ev.GetX();
1251 }
1252 else
1253 {
1254 m_dragStatus = wxGRID_DRAG_UP_DOWN;
1255 SetCursor(m_verticalSashCursor);
1256 m_dragLastPosition = (int)ev.GetY();
1257 }
1258 wxClientDC dc(this);
1259 dc.BeginDrawing();
1260 dc.SetLogicalFunction(wxINVERT);
1261 if (orientation == wxHORIZONTAL)
1262 dc.DrawLine((int)ev.GetX(), m_topOfSheet, (int)ev.GetX(), m_bottomOfSheet);
1263 else
1264 dc.DrawLine(m_leftOfSheet, (int)ev.GetY(), m_rightOfSheet, (int)ev.GetY());
1265 dc.EndDrawing();
1266
1267 CaptureMouse();
1268 }
1269 break;
1270 }
1271 case wxGRID_DRAG_LEFT_RIGHT:
1272 {
1273 wxClientDC dc(this);
1274 dc.BeginDrawing();
1275 dc.SetLogicalFunction(wxINVERT);
1276 dc.DrawLine(m_dragLastPosition, m_topOfSheet, m_dragLastPosition, m_bottomOfSheet);
1277
1278 dc.DrawLine((int)ev.GetX(), m_topOfSheet, (int)ev.GetX(), m_bottomOfSheet);
1279 dc.EndDrawing();
1280
1281 m_dragLastPosition = (int)ev.GetX();
1282 SetCursor(m_horizontalSashCursor);
1283 break;
1284 }
1285 case wxGRID_DRAG_UP_DOWN:
1286 {
1287 wxClientDC dc(this);
1288 dc.BeginDrawing();
1289 dc.SetLogicalFunction(wxINVERT);
1290 dc.DrawLine(m_leftOfSheet, m_dragLastPosition, m_rightOfSheet, m_dragLastPosition);
1291
1292 dc.DrawLine(m_leftOfSheet, (int)ev.GetY(), m_rightOfSheet, (int)ev.GetY());
1293 dc.EndDrawing();
1294
1295 m_dragLastPosition = (int)ev.GetY();
1296 SetCursor(m_verticalSashCursor);
1297 break;
1298 }
1299 }
1300 }
1301 else if (ev.Moving())
1302 {
1303 int rowOrCol, orientation, startPos;
1304 if (LabelSashHitTest((int)ev.GetX(), (int)ev.GetY(), &orientation, &rowOrCol, &startPos))
1305 {
1306 if (orientation == wxHORIZONTAL)
1307 SetCursor(m_horizontalSashCursor);
1308 else
1309 SetCursor(m_verticalSashCursor);
1310 }
1311 else
1312 SetCursor(*wxSTANDARD_CURSOR);
1313 }
1314 else if (ev.LeftUp())
1315 {
1316 switch (m_dragStatus)
1317 {
1318 case wxGRID_DRAG_LEFT_RIGHT:
1319 {
1320 wxClientDC dc(this);
1321 dc.BeginDrawing();
1322 dc.SetLogicalFunction(wxINVERT);
1323 dc.DrawLine(m_dragLastPosition, m_topOfSheet, m_dragLastPosition, m_bottomOfSheet);
1324 dc.SetLogicalFunction(wxCOPY);
1325 dc.EndDrawing();
1326
1327 ReleaseMouse();
1328 if (ev.GetX() > m_dragStartPosition)
1329 {
1330 m_colWidths[m_dragRowOrCol] = (short)(ev.GetX() - m_dragStartPosition);
1331 UpdateDimensions();
1332 AdjustScrollbars();
1333 Refresh();
1334 }
1335 SetCursor(*wxSTANDARD_CURSOR);
1336 int cw, ch;
1337 GetClientSize(&cw, &ch);
1338 wxSizeEvent evt;
1339 OnSize(evt);
1340 break;
1341 }
1342 case wxGRID_DRAG_UP_DOWN:
1343 {
1344 wxClientDC dc(this);
1345 dc.BeginDrawing();
1346 dc.SetLogicalFunction(wxINVERT);
1347 dc.DrawLine(m_leftOfSheet, m_dragLastPosition, m_rightOfSheet, m_dragLastPosition);
1348 dc.SetLogicalFunction(wxCOPY);
1349 dc.EndDrawing();
1350
1351 ReleaseMouse();
1352 if (ev.GetY() > m_dragStartPosition)
1353 {
1354 m_rowHeights[m_dragRowOrCol] = (short)(ev.GetY() - m_dragStartPosition);
1355 UpdateDimensions();
1356 AdjustScrollbars();
1357 Refresh();
1358 }
1359 SetCursor(*wxSTANDARD_CURSOR);
1360 break;
1361 }
1362 }
1363 m_dragStatus = wxGRID_DRAG_NONE;
1364 }
1365 else if (ev.RightDown())
1366 {
1367 int row, col;
1368 if (CellHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1369 {
1370 //OnCellRightClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1371 wxGridEvent g_evt(GetId(), wxEVT_GRID_CELL_RCLICK, this,
1372 row, col, (int)ev.GetX(), (int)ev.GetY(),
1373 ev.ControlDown(), ev.ShiftDown());
1374 GetEventHandler()->ProcessEvent(g_evt);
1375
1376 }
1377 if (LabelHitTest((int)ev.GetX(), (int)ev.GetY(), &row, &col))
1378 {
1379 //OnLabelRightClick(row, col, (int)ev.GetX(), (int)ev.GetY(), ev.ControlDown(), ev.ShiftDown());
1380 wxGridEvent g_evt(GetId(), wxEVT_GRID_LABEL_RCLICK, this,
1381 row, col, (int)ev.GetX(), (int)ev.GetY(),
1382 ev.ControlDown(), ev.ShiftDown());
1383 GetEventHandler()->ProcessEvent(g_evt);
1384 }
1385 }
1386 }
1387
1388 void wxGenericGrid::OnSelectCellImplementation(wxDC *dc, int row, int col)
1389 {
1390 m_wCursorColumn = col;
1391 m_wCursorRow = row;
1392
1393 //OnChangeSelectionLabel();
1394 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_SEL_LABEL, this);
1395 GetEventHandler()->ProcessEvent(g_evt);
1396
1397 SetGridClippingRegion(dc);
1398
1399 // Remove the highlight from the old cell
1400 if (m_currentRectVisible)
1401 HighlightCell(dc);
1402
1403 // Highlight the new cell and copy its content to the edit control
1404 SetCurrentRect(m_wCursorRow, m_wCursorColumn);
1405 wxGridCell *cell = GetCell(m_wCursorRow, m_wCursorColumn);
1406 if (cell)
1407 {
1408 if ( cell->GetTextValue().IsNull() )
1409 m_textItem->SetValue("");
1410 else
1411 m_textItem->SetValue(cell->GetTextValue());
1412 }
1413
1414 SetGridClippingRegion(dc);
1415
1416 // 1) Why isn't this needed for Windows??
1417 // Probably because of the SetValue?? JS.
1418 // 2) Arrrrrgh. This isn't needed anywhere,
1419 // of course. One hour of debugging... RR.
1420 #ifndef __WXMSW__
1421 // HighlightCell(dc);
1422 #endif
1423 dc->DestroyClippingRegion();
1424
1425 //OnSelectCell(row, col);
1426 wxGridEvent g_evt2(GetId(), wxEVT_GRID_SELECT_CELL, this, row, col);
1427 GetEventHandler()->ProcessEvent(g_evt2);
1428 }
1429
1430 wxGridCell *wxGenericGrid::OnCreateCell(void)
1431 {
1432 return new wxGridCell(this);
1433 }
1434
1435 void wxGenericGrid::OnChangeLabels(void)
1436 {
1437 char buf[100];
1438 int i;
1439 for (i = 0; i < m_totalRows; i++)
1440 {
1441 sprintf(buf, "%d", i+1);
1442 SetLabelValue(wxVERTICAL, buf, i);
1443 }
1444 // A...Z,AA...ZZ,AAA...ZZZ, etc.
1445 for (i = 0; i < m_totalCols; i++)
1446 {
1447 int j;
1448 int noTimes = (i/26 + 1);
1449 int ch = (i % 26) + 65;
1450 buf[0] = 0;
1451 for (j = 0; j < noTimes; j++)
1452 {
1453 char buf2[20];
1454 sprintf(buf2, "%c", (char)ch);
1455 strcat(buf, buf2);
1456 }
1457 SetLabelValue(wxHORIZONTAL, buf, i);
1458 }
1459 }
1460
1461 void wxGenericGrid::OnChangeSelectionLabel(void)
1462 {
1463 if (!GetEditable())
1464 return;
1465
1466 wxString rowLabel(GetLabelValue(wxVERTICAL, GetCursorRow()));
1467 wxString colLabel(GetLabelValue(wxHORIZONTAL, GetCursorColumn()));
1468
1469 wxString newLabel = colLabel + rowLabel;
1470 if ((newLabel.Length() > 0) && (newLabel.Length() <= 8) && GetTextItem())
1471 {
1472 // GetTextItem()->SetLabel(newLabel);
1473 }
1474 }
1475
1476 void wxGenericGrid::HighlightCell(wxDC *dc)
1477 {
1478 dc->SetLogicalFunction(wxINVERT);
1479
1480 // Top
1481 dc->DrawLine( m_currentRect.x + 1,
1482 m_currentRect.y + 1,
1483 m_currentRect.x + m_currentRect.width - 1,
1484 m_currentRect.y + 1);
1485 // Right
1486 dc->DrawLine( m_currentRect.x + m_currentRect.width - 1,
1487 m_currentRect.y + 1,
1488 m_currentRect.x + m_currentRect.width - 1,
1489 m_currentRect.y +m_currentRect.height - 1 );
1490 // Bottom
1491 dc->DrawLine( m_currentRect.x + m_currentRect.width - 1,
1492 m_currentRect.y + m_currentRect.height - 1,
1493 m_currentRect.x + 1,
1494 m_currentRect.y + m_currentRect.height - 1);
1495 // Left
1496 dc->DrawLine( m_currentRect.x + 1,
1497 m_currentRect.y + m_currentRect.height - 1,
1498 m_currentRect.x + 1,
1499 m_currentRect.y + 1);
1500
1501 dc->SetLogicalFunction(wxCOPY);
1502 }
1503
1504 void wxGenericGrid::DrawCellText(void)
1505 {
1506 if (!m_currentRectVisible)
1507 return;
1508
1509 wxGridCell *cell = GetCell(GetCursorRow(), GetCursorColumn());
1510 if (!cell)
1511 return;
1512
1513 static char szEdit[300];
1514
1515 wxClientDC dc(this);
1516 dc.BeginDrawing();
1517
1518 SetGridClippingRegion(& dc);
1519
1520 dc.SetBackgroundMode(wxTRANSPARENT);
1521 dc.SetBrush(cell->GetBackgroundBrush());
1522
1523 strcpy(szEdit, m_textItem->GetValue());
1524
1525 wxRect rect;
1526 rect = m_currentRect;
1527 rect.x += 3;
1528 rect.y += 2;
1529 rect.width -= 5;
1530 rect.height -= 4;
1531
1532 DrawTextRect(& dc, " ", &rect, wxLEFT);
1533 DrawTextRect(& dc, szEdit, &rect, cell->GetAlignment());
1534
1535 dc.DestroyClippingRegion();
1536
1537 dc.SetBackgroundMode(wxSOLID);
1538
1539 dc.EndDrawing();
1540 }
1541
1542 void wxGenericGrid::SetCurrentRect(int Row, int Column, int canvasW, int canvasH)
1543 {
1544 int currentWidth = m_leftOfSheet + m_verticalLabelWidth;
1545 int i;
1546 for (i = m_scrollPosX; i < Column; i++)
1547 currentWidth += m_colWidths[i];
1548
1549 int currentHeight = m_topOfSheet + m_horizontalLabelHeight;
1550 for (i = m_scrollPosY; i < Row; i++)
1551 currentHeight += m_rowHeights[i];
1552
1553 m_currentRect.x = currentWidth;
1554 m_currentRect.y = currentHeight;
1555 m_currentRect.width = m_colWidths ? (m_colWidths[Column]) : 0;
1556 m_currentRect.height = m_rowHeights ? (m_rowHeights[Row]) : 0;
1557
1558 if (Row < m_scrollPosY || Column < m_scrollPosX)
1559 m_currentRectVisible = FALSE;
1560 else if ((canvasW != -1 && canvasH != -1) && (m_currentRect.x > canvasW || m_currentRect.y > canvasH))
1561 m_currentRectVisible = FALSE;
1562 else m_currentRectVisible = TRUE;
1563 }
1564
1565 static bool wxRectIntersection(wxRect *rect1, wxRect *rect2, wxRect *rect3)
1566 {
1567 int x2_1 = rect1->x + rect1->width;
1568 int y2_1 = rect1->y + rect1->height;
1569
1570 int x2_2 = rect2->x + rect2->width;
1571 int y2_2 = rect2->y + rect2->height;
1572
1573 int x2_3, y2_3;
1574
1575 // Check for intersection
1576 if ((rect1->x > x2_2) || (rect2->x > x2_1) ||
1577 (rect1->y > y2_2) || (rect2->y > y2_1))
1578 {
1579 // No intersection
1580 rect3->x = rect3->y = rect3->width = rect3->height = 0;
1581 return FALSE;
1582 }
1583
1584 if (rect1->x > rect2->x)
1585 rect3->x = rect1->x;
1586 else
1587 rect3->x = rect2->x;
1588 if (rect1->y > rect2->y)
1589 rect3->y = rect1->y;
1590 else
1591 rect3->y = rect2->y;
1592
1593 if (x2_1 > x2_2)
1594 x2_3 = x2_2;
1595 else
1596 x2_3 = x2_1;
1597 if (y2_1 > y2_2)
1598 y2_3 = y2_2;
1599 else
1600 y2_3 = y2_1;
1601
1602 rect3->width = (int)(x2_3 - rect3->x);
1603 rect3->height = (int)(y2_3 - rect3->y);
1604 return TRUE;
1605 }
1606
1607 void wxGenericGrid::DrawTextRect(wxDC *dc, const wxString& text, wxRect *rect, int flag)
1608 {
1609 dc->BeginDrawing();
1610
1611 // Ultimately, this functionality should be built into wxWindows,
1612 // and optimized for each platform. E.g. on Windows, use DrawText
1613 // passing a clipping rectangle, so that the wxWindows clipping region
1614 // does not have to be used to implement this.
1615
1616 // If we're already clipping, we need to find the intersection
1617 // between current clipping area and text clipping area.
1618
1619 wxRect clipRect;
1620 wxRect clipRect2;
1621 long clipX, clipY, clipW, clipH;
1622 dc->GetClippingBox(&clipX, &clipY, &clipW, &clipH);
1623 clipRect.x = (int)clipX; clipRect.y = (int)clipY;
1624 clipRect.width = (int)clipW; clipRect.height = (int)clipH;
1625
1626 bool alreadyClipping = TRUE;
1627
1628 if (clipRect.x == 0 && clipRect.y == 0 && clipRect.width == 0 && clipRect.height == 0)
1629 {
1630 alreadyClipping = FALSE;
1631 clipRect2.x = rect->x; clipRect2.y = rect->y;
1632 clipRect2.width = rect->width; clipRect2.height = rect->height;
1633 }
1634 else
1635 {
1636 // Find intersection.
1637 if (!wxRectIntersection(rect, &clipRect, &clipRect2))
1638 return;
1639 }
1640
1641 if (alreadyClipping)
1642 dc->DestroyClippingRegion();
1643
1644 dc->SetClippingRegion(clipRect2.x, clipRect2.y, clipRect2.width, clipRect2.height);
1645 long textWidth, textHeight;
1646
1647 dc->GetTextExtent(text, &textWidth, &textHeight);
1648
1649 // Do alignment
1650 float x,y;
1651 switch (flag)
1652 {
1653 case wxRIGHT:
1654 {
1655 x = (rect->x + rect->width - textWidth - 1.0);
1656 y = (rect->y + (rect->height - textHeight)/2.0);
1657 break;
1658 }
1659 case wxCENTRE:
1660 {
1661 x = (rect->x + (rect->width - textWidth)/2.0);
1662 y = (rect->y + (rect->height - textHeight)/2.0);
1663 break;
1664 }
1665 case wxLEFT:
1666 default:
1667 {
1668 x = (rect->x + 1.0);
1669 y = (rect->y + (rect->height - textHeight)/2.0);
1670 break;
1671 }
1672 }
1673 dc->DrawText(text, (long)x, (long)y );
1674
1675 dc->DestroyClippingRegion();
1676
1677 // Restore old clipping
1678 if (alreadyClipping)
1679 dc->SetClippingRegion(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
1680
1681 dc->EndDrawing();
1682 }
1683
1684 void wxGenericGrid::DrawBitmapRect(wxDC *dc, wxBitmap *bitmap, wxRect *rect, int flag)
1685 {
1686 dc->BeginDrawing();
1687
1688 // Ultimately, this functionality should be built into wxWindows,
1689 // and optimized for each platform. E.g. on Windows, use DrawText
1690 // passing a clipping rectangle, so that the wxWindows clipping region
1691 // does not have to be used to implement this.
1692
1693 // If we're already clipping, we need to find the intersection
1694 // between current clipping area and text clipping area.
1695
1696 wxRect clipRect;
1697 wxRect clipRect2;
1698 long clipX, clipY, clipW, clipH;
1699 dc->GetClippingBox(&clipX, &clipY, &clipW, &clipH);
1700 clipRect.x = (int)clipX; clipRect.y = (int)clipY;
1701 clipRect.width = (int)clipW; clipRect.height = (int)clipH;
1702
1703 bool alreadyClipping = TRUE;
1704
1705 if (clipRect.x == 0 && clipRect.y == 0 && clipRect.width == 0 && clipRect.height == 0)
1706 {
1707 alreadyClipping = FALSE;
1708 clipRect2.x = rect->x; clipRect2.y = rect->y;
1709 clipRect2.width = rect->width; clipRect2.height = rect->height;
1710 }
1711 else
1712 {
1713 // Find intersection.
1714 if (!wxRectIntersection(rect, &clipRect, &clipRect2))
1715 return;
1716 }
1717
1718 if (alreadyClipping)
1719 dc->DestroyClippingRegion();
1720
1721 dc->SetClippingRegion(clipRect2.x, clipRect2.y, clipRect2.width, clipRect2.height);
1722 float bitmapWidth, bitmapHeight;
1723
1724 bitmapWidth = bitmap->GetWidth();
1725 bitmapHeight = bitmap->GetHeight();
1726
1727 // Do alignment
1728 long x,y;
1729 switch (flag)
1730 {
1731 case wxRIGHT:
1732 {
1733 x = (long)(rect->x + rect->width - bitmapWidth - 1);
1734 y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1735 break;
1736 }
1737 case wxCENTRE:
1738 {
1739 x = (long)(rect->x + (rect->width - bitmapWidth)/2.0);
1740 y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1741 break;
1742 }
1743 case wxLEFT:
1744 default:
1745 {
1746 x = (long)(rect->x + 1);
1747 y = (long)(rect->y + (rect->height - bitmapHeight)/2.0);
1748 break;
1749 }
1750 }
1751 wxMemoryDC dcTemp;
1752 dcTemp.SelectObject(*bitmap);
1753
1754 dc->Blit( (long)x, (long)y, (long)bitmapWidth, (long)bitmapHeight, &dcTemp, 0, 0);
1755 dcTemp.SelectObject(wxNullBitmap);
1756
1757 dc->DestroyClippingRegion();
1758
1759 // Restore old clipping
1760 if (alreadyClipping)
1761 dc->SetClippingRegion(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
1762
1763 dc->EndDrawing();
1764 }
1765
1766 void wxGenericGrid::OnActivate(bool active)
1767 {
1768 if (active)
1769 {
1770 // Edit control should always have the focus
1771 if (GetTextItem() && GetEditable())
1772 {
1773 GetTextItem()->SetFocus();
1774 wxGridCell *cell = GetCell(GetCursorRow(), GetCursorColumn());
1775 if (cell)
1776 GetTextItem()->SetValue(cell->GetTextValue());
1777 }
1778 }
1779 }
1780
1781 void wxGenericGrid::SetCellValue(const wxString& val, int row, int col)
1782 {
1783 wxGridCell *cell = GetCell(row, col);
1784 if (cell)
1785 {
1786 cell->SetTextValue(val);
1787
1788 RefreshCell(row, col, TRUE);
1789 }
1790 }
1791
1792 void wxGenericGrid::RefreshCell(int row, int col, bool setText)
1793 {
1794 // Don't refresh within a pair of batch brackets
1795 if (GetBatchCount() > 0)
1796 return;
1797
1798 int cw, ch;
1799 GetClientSize(&cw, &ch);
1800
1801 SetCurrentRect(row, col, cw, ch);
1802 if (m_currentRectVisible)
1803 {
1804 wxGridCell *cell = GetCell(row, col);
1805
1806 bool currentPos = FALSE;
1807 if (row == m_wCursorRow && col == m_wCursorColumn && GetTextItem() && GetTextItem()->IsShown() && setText)
1808 {
1809 GetTextItem()->SetValue(cell->GetTextValue());
1810 currentPos = TRUE;
1811 }
1812 // Gets refreshed anyway in MSW
1813 #ifdef __WXMSW__
1814 if (!currentPos)
1815 #endif
1816 {
1817 wxClientDC dc(this);
1818 dc.BeginDrawing();
1819 DrawCellBackground(& dc, &m_currentRect, row, col);
1820 DrawCellValue(& dc, &m_currentRect, row, col);
1821 dc.EndDrawing();
1822 }
1823 }
1824 }
1825
1826 wxString& wxGenericGrid::GetCellValue(int row, int col) const
1827 {
1828 static wxString emptyString("");
1829
1830 wxGridCell *cell = GetCell(row, col);
1831 if (cell)
1832 return cell->GetTextValue();
1833 else
1834 return emptyString;
1835 }
1836
1837 void wxGenericGrid::SetColumnWidth(int col, int width)
1838 {
1839 if (col <= m_totalCols)
1840 m_colWidths[col] = width;
1841 }
1842
1843 int wxGenericGrid::GetColumnWidth(int col) const
1844 {
1845 if (col <= m_totalCols)
1846 return m_colWidths[col];
1847 else
1848 return 0;
1849 }
1850
1851 void wxGenericGrid::SetRowHeight(int row, int height)
1852 {
1853 if (row <= m_totalRows)
1854 m_rowHeights[row] = height;
1855 }
1856
1857 int wxGenericGrid::GetRowHeight(int row) const
1858 {
1859 if (row <= m_totalRows)
1860 return m_rowHeights[row];
1861 else
1862 return 0;
1863 }
1864
1865 void wxGenericGrid::SetLabelSize(int orientation, int sz)
1866 {
1867 if (orientation == wxHORIZONTAL)
1868 m_horizontalLabelHeight = sz;
1869 else
1870 m_verticalLabelWidth = sz;
1871 UpdateDimensions();
1872 SetCurrentRect(GetCursorRow(), GetCursorColumn());
1873 }
1874
1875 int wxGenericGrid::GetLabelSize(int orientation) const
1876 {
1877 if (orientation == wxHORIZONTAL)
1878 return m_horizontalLabelHeight;
1879 else
1880 return m_verticalLabelWidth;
1881 }
1882
1883 wxGridCell *wxGenericGrid::GetLabelCell(int orientation, int pos) const
1884 {
1885 if (orientation == wxHORIZONTAL)
1886 {
1887 if (m_colLabelCells && pos < m_totalCols)
1888 return m_colLabelCells[pos];
1889 else
1890 return (wxGridCell *) NULL;
1891 }
1892 else
1893 {
1894 if (m_rowLabelCells && pos < m_totalRows)
1895 return m_rowLabelCells[pos];
1896 else
1897 return (wxGridCell *) NULL;
1898 }
1899 }
1900
1901 void wxGenericGrid::SetLabelValue(int orientation, const wxString& val, int pos)
1902 {
1903 wxGridCell *cell = GetLabelCell(orientation, pos);
1904 if (cell)
1905 cell->SetTextValue(val);
1906 }
1907
1908 wxString& wxGenericGrid::GetLabelValue(int orientation, int pos) const
1909 {
1910 static wxString emptyString = "";
1911 wxGridCell *cell = GetLabelCell(orientation, pos);
1912 if (cell)
1913 return cell->GetTextValue();
1914 else
1915 return emptyString;
1916 }
1917
1918 void wxGenericGrid::SetLabelAlignment(int orientation, int align)
1919 {
1920 if (orientation == wxHORIZONTAL)
1921 m_horizontalLabelAlignment = align;
1922 else
1923 m_verticalLabelAlignment = align;
1924 UpdateDimensions();
1925 SetCurrentRect(GetCursorRow(), GetCursorColumn());
1926 }
1927
1928 int wxGenericGrid::GetLabelAlignment(int orientation) const
1929 {
1930 if (orientation == wxHORIZONTAL)
1931 return m_horizontalLabelAlignment;
1932 else
1933 return m_verticalLabelAlignment;
1934 }
1935
1936 void wxGenericGrid::SetLabelTextColour(const wxColour& colour)
1937 {
1938 m_labelTextColour = colour;
1939
1940 }
1941
1942 void wxGenericGrid::SetLabelBackgroundColour(const wxColour& colour)
1943 {
1944 m_labelBackgroundColour = colour;
1945 m_labelBackgroundBrush = * wxTheBrushList->FindOrCreateBrush(m_labelBackgroundColour, wxSOLID);
1946 }
1947
1948 void wxGenericGrid::SetEditable(bool edit)
1949 {
1950 m_editable = edit;
1951 if (edit)
1952 {
1953 int controlW, controlH;
1954 m_textItem->GetSize(&controlW, &controlH);
1955 m_editControlPosition.height = controlH;
1956
1957 m_topOfSheet = m_editControlPosition.x + controlH + 2;
1958 if (m_textItem)
1959 {
1960 m_editingPanel->Show(TRUE);
1961 m_textItem->Show(TRUE);
1962 m_textItem->SetFocus();
1963 }
1964 }
1965 else
1966 {
1967 m_topOfSheet = 0;
1968 if (m_textItem)
1969 {
1970 m_textItem->Show(FALSE);
1971 m_editingPanel->Show(FALSE);
1972 }
1973 }
1974 UpdateDimensions();
1975 SetCurrentRect(GetCursorRow(), GetCursorColumn());
1976
1977 int cw, ch;
1978 GetClientSize(&cw, &ch);
1979 wxSizeEvent evt;
1980 OnSize(evt);
1981 /*
1982 int cw, ch;
1983 int m_scrollWidth = 16;
1984 GetClientSize(&cw, &ch);
1985
1986 if (m_vScrollBar)
1987 m_vScrollBar->SetSize(cw - m_scrollWidth, m_topOfSheet,
1988 m_scrollWidth, ch - m_topOfSheet - m_scrollWidth);
1989 */
1990 }
1991
1992 void wxGenericGrid::SetCellAlignment(int flag, int row, int col)
1993 {
1994 wxGridCell *cell = GetCell(row, col);
1995 if (cell)
1996 cell->SetAlignment(flag);
1997 }
1998
1999 int wxGenericGrid::GetCellAlignment(int row, int col) const
2000 {
2001 wxGridCell *cell = GetCell(row, col);
2002 if (cell)
2003 return cell->GetAlignment();
2004 else
2005 return m_cellAlignment;
2006 }
2007
2008 void wxGenericGrid::SetCellAlignment(int flag)
2009 {
2010 m_cellAlignment = flag;
2011 int i,j;
2012 for (i = 0; i < GetRows(); i++)
2013 for (j = 0; j < GetCols(); j++)
2014 if (GetCell(i, j))
2015 GetCell(i, j)->SetAlignment(flag);
2016 }
2017
2018 int wxGenericGrid::GetCellAlignment(void) const
2019 {
2020 return m_cellAlignment;
2021 }
2022
2023 void wxGenericGrid::SetCellBackgroundColour(const wxColour& col)
2024 {
2025 m_cellBackgroundColour = col;
2026 int i,j;
2027 for (i = 0; i < GetRows(); i++)
2028 for (j = 0; j < GetCols(); j++)
2029 if (GetCell(i, j))
2030 GetCell(i, j)->SetBackgroundColour(col);
2031 }
2032
2033 void wxGenericGrid::SetCellBackgroundColour(const wxColour& val, int row, int col)
2034 {
2035 wxGridCell *cell = GetCell(row, col);
2036 if (cell)
2037 {
2038 cell->SetBackgroundColour(val);
2039 RefreshCell(row, col);
2040 }
2041 }
2042
2043 wxColour& wxGenericGrid::GetCellBackgroundColour(int row, int col) const
2044 {
2045 wxGridCell *cell = GetCell(row, col);
2046 if (cell)
2047 return cell->GetBackgroundColour();
2048 else
2049 return (wxColour&) m_cellBackgroundColour;
2050 }
2051
2052 void wxGenericGrid::SetCellTextColour(const wxColour& val, int row, int col)
2053 {
2054 wxGridCell *cell = GetCell(row, col);
2055 if (cell)
2056 {
2057 cell->SetTextColour(val);
2058 RefreshCell(row, col);
2059 }
2060 }
2061
2062 void wxGenericGrid::SetCellTextFont(const wxFont& fnt, int row, int col)
2063 {
2064 wxGridCell *cell = GetCell(row, col);
2065 if (cell)
2066 {
2067 cell->SetFont(fnt);
2068 RefreshCell(row, col);
2069 }
2070 }
2071
2072 wxFont& wxGenericGrid::GetCellTextFont(int row, int col) const
2073 {
2074 wxGridCell *cell = GetCell(row, col);
2075 if (cell)
2076 return (wxFont&) cell->GetFont();
2077 else
2078 return (wxFont&) m_cellTextFont;
2079 }
2080
2081 wxColour& wxGenericGrid::GetCellTextColour(int row, int col) const
2082 {
2083 wxGridCell *cell = GetCell(row, col);
2084 if (cell)
2085 return (wxColour&) cell->GetTextColour();
2086 else
2087 return (wxColour&) m_cellTextColour;
2088 }
2089
2090 void wxGenericGrid::SetCellTextColour(const wxColour& val)
2091 {
2092 m_cellTextColour = val;
2093 int i,j;
2094 for (i = 0; i < GetRows(); i++)
2095 for (j = 0; j < GetCols(); j++)
2096 if (GetCell(i, j))
2097 GetCell(i, j)->SetTextColour(val);
2098 }
2099
2100 void wxGenericGrid::SetCellTextFont(const wxFont& fnt)
2101 {
2102 m_cellTextFont = fnt;
2103 int i,j;
2104 for (i = 0; i < GetRows(); i++)
2105 for (j = 0; j < GetCols(); j++)
2106 if (GetCell(i, j))
2107 GetCell(i, j)->SetFont(fnt);
2108 }
2109
2110 void wxGenericGrid::SetCellBitmap(wxBitmap *bitmap, int row, int col)
2111 {
2112 wxGridCell *cell = GetCell(row, col);
2113 if (cell)
2114 {
2115 cell->SetCellBitmap(bitmap);
2116 RefreshCell(row, col);
2117 }
2118 }
2119
2120 wxBitmap *wxGenericGrid::GetCellBitmap(int row, int col) const
2121 {
2122 wxGridCell *cell = GetCell(row, col);
2123 if (cell)
2124 {
2125 return cell->GetCellBitmap();
2126 }
2127 else
2128 return (wxBitmap *) NULL;
2129 }
2130
2131 bool wxGenericGrid::InsertCols(int pos, int n, bool updateLabels)
2132 {
2133 if (pos > m_totalCols)
2134 return FALSE;
2135
2136 if (!m_gridCells)
2137 return CreateGrid(1, n);
2138 else
2139 {
2140 int i, j;
2141 // Cells
2142 for (i = 0; i < m_totalRows; i++)
2143 {
2144 wxGridCell **cols = m_gridCells[i];
2145 wxGridCell **newCols = new wxGridCell *[m_totalCols + n];
2146 for (j = 0; j < pos; j++)
2147 newCols[j] = cols[j];
2148 for (j = pos; j < pos + n; j++)
2149 newCols[j] = new wxGridCell(this);
2150 for (j = pos + n; j < m_totalCols + n; j++)
2151 newCols[j] = cols[j - n];
2152
2153 delete[] cols;
2154 m_gridCells[i] = newCols;
2155 }
2156
2157 // Column widths
2158 short *newColWidths = new short[m_totalCols + n];
2159 for (j = 0; j < pos; j++)
2160 newColWidths[j] = m_colWidths[j];
2161 for (j = pos; j < pos + n; j++)
2162 newColWidths[j] = wxGRID_DEFAULT_CELL_WIDTH;
2163 for (j = pos + n; j < m_totalCols + n; j++)
2164 newColWidths[j] = m_colWidths[j - n];
2165 delete[] m_colWidths;
2166 m_colWidths = newColWidths;
2167
2168 // Column labels
2169 wxGridCell **newLabels = new wxGridCell *[m_totalCols + n];
2170 for (j = 0; j < pos; j++)
2171 newLabels[j] = m_colLabelCells[j];
2172 for (j = pos; j < pos + n; j++)
2173 newLabels[j] = new wxGridCell(this);
2174 for (j = pos + n; j < m_totalCols + n; j++)
2175 newLabels[j] = m_colLabelCells[j - n];
2176
2177 delete[] m_colLabelCells;
2178 m_colLabelCells = newLabels;
2179
2180 m_totalCols += n;
2181
2182 if (updateLabels) {
2183 //OnChangeLabels();
2184 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_LABELS, this);
2185 GetEventHandler()->ProcessEvent(g_evt);
2186 }
2187
2188 UpdateDimensions();
2189 AdjustScrollbars();
2190 return TRUE;
2191 }
2192 }
2193
2194 bool wxGenericGrid::InsertRows(int pos, int n, bool updateLabels)
2195 {
2196 if (pos > m_totalRows)
2197 return FALSE;
2198
2199 if (!m_gridCells)
2200 return CreateGrid(n, 1);
2201 else
2202 {
2203 int i, j;
2204
2205 wxGridCell ***rows = new wxGridCell **[m_totalRows + n];
2206
2207 // Cells
2208 for (i = 0; i < pos; i++)
2209 rows[i] = m_gridCells[i];
2210
2211 for (i = pos; i < pos + n; i++)
2212 {
2213 rows[i] = new wxGridCell *[m_totalCols];
2214 for (j = 0; j < m_totalCols; j++)
2215 rows[i][j] = new wxGridCell(this);
2216 }
2217
2218 for (i = pos + n; i < m_totalRows + n; i++)
2219 rows[i] = m_gridCells[i - n];
2220
2221 delete[] m_gridCells;
2222 m_gridCells = rows;
2223
2224 // Row heights
2225 short *newRowHeights = new short[m_totalRows + n];
2226 for (i = 0; i < pos; i++)
2227 newRowHeights[i] = m_rowHeights[i];
2228 for (i = pos; i < pos + n; i++)
2229 newRowHeights[i] = wxGRID_DEFAULT_CELL_HEIGHT;
2230 for (i = pos + n; i < m_totalRows + n; i++)
2231 newRowHeights[i] = m_rowHeights[i - n];
2232 delete[] m_rowHeights;
2233 m_rowHeights = newRowHeights;
2234
2235 // Column labels
2236 wxGridCell **newLabels = new wxGridCell *[m_totalRows + n];
2237 for (i = 0; i < pos; i++)
2238 newLabels[i] = m_rowLabelCells[i];
2239 for (i = pos; i < pos + n; i++)
2240 newLabels[i] = new wxGridCell(this);
2241 for (i = pos + n; i < m_totalRows + n; i++)
2242 newLabels[i] = m_rowLabelCells[i - n];
2243
2244 delete[] m_rowLabelCells;
2245 m_rowLabelCells = newLabels;
2246
2247 m_totalRows += n;
2248
2249 if (updateLabels) {
2250 //OnChangeLabels();
2251 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_LABELS, this);
2252 GetEventHandler()->ProcessEvent(g_evt);
2253 }
2254
2255 UpdateDimensions();
2256 AdjustScrollbars();
2257 return TRUE;
2258 }
2259 }
2260
2261 bool wxGenericGrid::AppendCols(int n, bool updateLabels)
2262 {
2263 return InsertCols(GetCols(), n, updateLabels);
2264 }
2265
2266 bool wxGenericGrid::AppendRows(int n, bool updateLabels)
2267 {
2268 return InsertRows(GetRows(), n, updateLabels);
2269 }
2270
2271 bool wxGenericGrid::DeleteRows(int pos, int n, bool updateLabels)
2272 {
2273 if (pos > m_totalRows)
2274 return FALSE;
2275 if (!m_gridCells)
2276 return FALSE;
2277
2278 int i;
2279
2280 wxGridCell ***rows = new wxGridCell **[m_totalRows - n];
2281
2282 // Cells
2283 for (i = 0; i < pos; i++)
2284 rows[i] = m_gridCells[i];
2285
2286 for (i = pos + n; i < m_totalRows; i++)
2287 rows[i-n] = m_gridCells[i];
2288
2289 delete[] m_gridCells;
2290 m_gridCells = rows;
2291
2292 // Row heights
2293 short *newRowHeights = new short[m_totalRows - n];
2294 for (i = 0; i < pos; i++)
2295 newRowHeights[i] = m_rowHeights[i];
2296 for (i = pos + n; i < m_totalRows; i++)
2297 newRowHeights[i-n] = m_rowHeights[i];
2298 delete[] m_rowHeights;
2299 m_rowHeights = newRowHeights;
2300
2301 // Column labels
2302 wxGridCell **newLabels = new wxGridCell *[m_totalRows - n];
2303 for (i = 0; i < pos; i++)
2304 newLabels[i] = m_rowLabelCells[i];
2305 for (i = pos + n; i < m_totalRows; i++)
2306 newLabels[i-n] = m_rowLabelCells[i];
2307
2308 delete[] m_rowLabelCells;
2309 m_rowLabelCells = newLabels;
2310
2311 m_totalRows -= n;
2312
2313 if (updateLabels){
2314 //OnChangeLabels();
2315 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_LABELS, this);
2316 GetEventHandler()->ProcessEvent(g_evt);
2317 }
2318 UpdateDimensions();
2319 AdjustScrollbars();
2320 return TRUE;
2321 }
2322
2323 bool wxGenericGrid::DeleteCols(int pos, int n, bool updateLabels)
2324 {
2325 if (pos + n > m_totalCols)
2326 return FALSE;
2327 if (!m_gridCells)
2328 return FALSE;
2329
2330 int i, j;
2331
2332 // Cells
2333 for (i = 0; i < m_totalRows; i++)
2334 {
2335 wxGridCell **cols = m_gridCells[i];
2336 wxGridCell **newCols = new wxGridCell *[m_totalCols - n];
2337 for (j = 0; j < pos; j++)
2338 newCols[j] = cols[j];
2339 for (j = pos; j < pos + n; j++)
2340 delete cols[j];
2341 for (j = pos + n; j < m_totalCols; j++)
2342 newCols[j-n] = cols[j];
2343
2344 delete[] cols;
2345 m_gridCells[i] = newCols;
2346 }
2347
2348 // Column widths
2349 short *newColWidths = new short[m_totalCols - n];
2350 for (j = 0; j < pos; j++)
2351 newColWidths[j] = m_colWidths[j];
2352 for (j = pos + n; j < m_totalCols; j++)
2353 newColWidths[j-n] = m_colWidths[j];
2354 delete[] m_colWidths;
2355 m_colWidths = newColWidths;
2356
2357 // Column labels
2358 wxGridCell **newLabels = new wxGridCell *[m_totalCols - n];
2359 for (j = 0; j < pos; j++)
2360 newLabels[j] = m_colLabelCells[j];
2361 for (j = pos + n; j < m_totalCols; j++)
2362 newLabels[j-n] = m_colLabelCells[j];
2363
2364 delete[] m_colLabelCells;
2365 m_colLabelCells = newLabels;
2366
2367 m_totalCols -= n;
2368
2369 if (updateLabels) {
2370 //OnChangeLabels();
2371 wxGridEvent g_evt(GetId(), wxEVT_GRID_CHANGE_LABELS, this);
2372 GetEventHandler()->ProcessEvent(g_evt);
2373 }
2374 UpdateDimensions();
2375 AdjustScrollbars();
2376 return TRUE;
2377 }
2378
2379 void wxGenericGrid::SetGridCursor(int row, int col)
2380 {
2381 if (row >= m_totalRows || col >= m_totalCols)
2382 return;
2383
2384 if (row == GetCursorRow() && col == GetCursorColumn())
2385 return;
2386
2387 wxClientDC dc(this);
2388 dc.BeginDrawing();
2389
2390 SetGridClippingRegion(& dc);
2391
2392 if (m_currentRectVisible)
2393 HighlightCell(& dc);
2394
2395 m_wCursorRow = row;
2396 m_wCursorColumn = col;
2397
2398 int cw, ch;
2399 GetClientSize(&cw, &ch);
2400
2401 SetCurrentRect(row, col, cw, ch);
2402
2403 if (m_currentRectVisible)
2404 HighlightCell(& dc);
2405
2406 dc.DestroyClippingRegion();
2407 dc.EndDrawing();
2408 }
2409
2410 /*
2411 * Grid cell
2412 */
2413
2414 wxGridCell::wxGridCell(wxGenericGrid *window)
2415 {
2416 cellBitmap = (wxBitmap *) NULL;
2417 font = wxNullFont;
2418 backgroundBrush = wxNullBrush;
2419 if (window)
2420 textColour = window->GetCellTextColour();
2421 else
2422 textColour.Set(0,0,0);
2423 if (window)
2424 backgroundColour = window->GetCellBackgroundColour();
2425 else
2426 backgroundColour.Set(255,255,255);
2427
2428 if (window)
2429 font = window->GetCellTextFont();
2430 else
2431 font = * wxTheFontList->FindOrCreateFont(12, wxSWISS, wxNORMAL, wxNORMAL);
2432
2433 SetBackgroundColour(backgroundColour);
2434
2435 if (window)
2436 alignment = window->GetCellAlignment();
2437 else
2438 alignment = wxLEFT;
2439 }
2440
2441 wxGridCell::~wxGridCell(void)
2442 {
2443 }
2444
2445 void wxGridCell::SetBackgroundColour(const wxColour& colour)
2446 {
2447 backgroundColour = colour;
2448 backgroundBrush = * wxTheBrushList->FindOrCreateBrush(backgroundColour, wxSOLID);
2449 }
2450
2451 void wxGenericGrid::OnText(wxCommandEvent& WXUNUSED(ev) )
2452 {
2453 wxGenericGrid *grid = this;
2454 wxGridCell *cell = grid->GetCell(grid->GetCursorRow(), grid->GetCursorColumn());
2455 if (cell && grid->CurrentCellVisible())
2456 {
2457 cell->SetTextValue(grid->GetTextItem()->GetValue());
2458 wxClientDC dc(grid);
2459
2460 dc.BeginDrawing();
2461 grid->SetGridClippingRegion(& dc);
2462 grid->DrawCellBackground(& dc, &grid->GetCurrentRect(), grid->GetCursorRow(), grid->GetCursorColumn());
2463 grid->DrawCellValue(& dc, &grid->GetCurrentRect(), grid->GetCursorRow(), grid->GetCursorColumn());
2464 grid->HighlightCell(& dc);
2465 dc.DestroyClippingRegion();
2466 dc.EndDrawing();
2467
2468 //grid->OnCellChange(grid->GetCursorRow(), grid->GetCursorColumn());
2469 wxGridEvent g_evt(GetId(), wxEVT_GRID_CELL_CHANGE, grid,
2470 grid->GetCursorRow(), grid->GetCursorColumn());
2471 GetEventHandler()->ProcessEvent(g_evt);
2472
2473 // grid->DrawCellText();
2474 }
2475 }
2476
2477 void wxGenericGrid::OnGridScroll(wxScrollEvent& ev)
2478 {
2479 static bool inScroll = FALSE;
2480
2481 if ( inScroll )
2482 return;
2483
2484 inScroll = TRUE;
2485 wxGenericGrid *win = this;
2486
2487 bool change = FALSE;
2488
2489 if (ev.GetEventObject() == win->GetHorizScrollBar())
2490 {
2491 change = (ev.GetPosition() != m_scrollPosX);
2492 win->SetScrollPosX(ev.GetPosition());
2493 }
2494 else
2495 {
2496 change = (ev.GetPosition() != m_scrollPosY);
2497 win->SetScrollPosY(ev.GetPosition());
2498 }
2499
2500 win->UpdateDimensions();
2501
2502 win->SetCurrentRect(win->GetCursorRow(), win->GetCursorColumn());
2503
2504 // Because rows and columns can be arbitrary sizes,
2505 // the scrollbars will need to be adjusted to reflect the
2506 // current view.
2507 AdjustScrollbars();
2508
2509 if (change) win->Refresh(FALSE);
2510 inScroll = FALSE;
2511
2512 }
2513
2514
2515 //----------------------------------------------------------------------
2516 // Default wxGridEvent handlers
2517 // (just redirect to the pre-existing virtual methods)
2518
2519 void wxGenericGrid::_OnSelectCell(wxGridEvent& ev)
2520 {
2521 OnSelectCell(ev.m_row, ev.m_col);
2522 }
2523
2524 void wxGenericGrid::_OnCreateCell(wxGridEvent& ev)
2525 {
2526 ev.m_cell = OnCreateCell();
2527 }
2528
2529 void wxGenericGrid::_OnChangeLabels(wxGridEvent& WXUNUSED(ev))
2530 {
2531 OnChangeLabels();
2532 }
2533
2534 void wxGenericGrid::_OnChangeSelectionLabel(wxGridEvent& WXUNUSED(ev))
2535 {
2536 OnChangeSelectionLabel();
2537 }
2538
2539 void wxGenericGrid::_OnCellChange(wxGridEvent& ev)
2540 {
2541 OnCellChange(ev.m_row, ev.m_col);
2542 }
2543
2544 void wxGenericGrid::_OnCellLeftClick(wxGridEvent& ev)
2545 {
2546 OnCellLeftClick(ev.m_row, ev.m_col, ev.m_x, ev.m_y, ev.m_control, ev.m_shift);
2547 }
2548
2549 void wxGenericGrid::_OnCellRightClick(wxGridEvent& ev)
2550 {
2551 OnCellRightClick(ev.m_row, ev.m_col, ev.m_x, ev.m_y, ev.m_control, ev.m_shift);
2552 }
2553
2554 void wxGenericGrid::_OnLabelLeftClick(wxGridEvent& ev)
2555 {
2556 OnLabelLeftClick(ev.m_row, ev.m_col, ev.m_x, ev.m_y, ev.m_control, ev.m_shift);
2557 }
2558
2559 void wxGenericGrid::_OnLabelRightClick(wxGridEvent& ev)
2560 {
2561 OnLabelRightClick(ev.m_row, ev.m_col, ev.m_x, ev.m_y, ev.m_control, ev.m_shift);
2562 }
2563
2564