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[wxWidgets.git] / src / generic / tbarsmpl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: generic/tbarsmpl.cpp
3 // Purpose: wxToolBarSimple
4 // Author: Julian Smart
5 // Modified by: VZ on 14.12.99 during wxToolBarSimple reorganization
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart and Markus Holzem
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "tbarsmpl.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #if wxUSE_TOOLBAR_SIMPLE
32
33 #ifndef WX_PRECOMP
34 #include "wx/settings.h"
35 #include "wx/window.h"
36 #include "wx/dcclient.h"
37 #include "wx/dcmemory.h"
38 #endif
39
40 #include "wx/tbarsmpl.h"
41
42 // ----------------------------------------------------------------------------
43 // private classes
44 // ----------------------------------------------------------------------------
45
46 class WXDLLEXPORT wxToolBarToolSimple : public wxToolBarToolBase
47 {
48 public:
49 wxToolBarToolSimple(wxToolBarSimple *tbar,
50 int id,
51 const wxString& label,
52 const wxBitmap& bmpNormal,
53 const wxBitmap& bmpDisabled,
54 wxItemKind kind,
55 wxObject *clientData,
56 const wxString& shortHelp,
57 const wxString& longHelp)
58 : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
59 clientData, shortHelp, longHelp)
60 {
61 }
62
63 wxToolBarToolSimple(wxToolBarSimple *tbar, wxControl *control)
64 : wxToolBarToolBase(tbar, control)
65 {
66 }
67
68 void SetSize(const wxSize& size)
69 {
70 m_width = size.x;
71 m_height = size.y;
72 }
73
74 wxCoord GetWidth() const { return m_width; }
75 wxCoord GetHeight() const { return m_height; }
76
77 wxCoord m_x;
78 wxCoord m_y;
79 wxCoord m_width;
80 wxCoord m_height;
81 };
82
83 // ----------------------------------------------------------------------------
84 // wxWin macros
85 // ----------------------------------------------------------------------------
86
87 IMPLEMENT_DYNAMIC_CLASS(wxToolBarSimple, wxToolBarBase)
88
89 #if !wxUSE_TOOLBAR_NATIVE
90 #include "wx/toolbar.h"
91
92 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarSimple)
93 #endif
94
95 BEGIN_EVENT_TABLE(wxToolBarSimple, wxToolBarBase)
96 EVT_SIZE(wxToolBarSimple::OnSize)
97 EVT_SCROLL(wxToolBarSimple::OnScroll)
98 EVT_PAINT(wxToolBarSimple::OnPaint)
99 EVT_KILL_FOCUS(wxToolBarSimple::OnKillFocus)
100 EVT_MOUSE_EVENTS(wxToolBarSimple::OnMouseEvent)
101 END_EVENT_TABLE()
102
103 // ============================================================================
104 // implementation
105 // ============================================================================
106
107 // ----------------------------------------------------------------------------
108 // tool bar tools creation
109 // ----------------------------------------------------------------------------
110
111 wxToolBarToolBase *wxToolBarSimple::CreateTool(int id,
112 const wxString& label,
113 const wxBitmap& bmpNormal,
114 const wxBitmap& bmpDisabled,
115 wxItemKind kind,
116 wxObject *clientData,
117 const wxString& shortHelp,
118 const wxString& longHelp)
119 {
120 return new wxToolBarToolSimple(this, id, label, bmpNormal, bmpDisabled,
121 kind, clientData, shortHelp, longHelp);
122 }
123
124 wxToolBarToolBase *wxToolBarSimple::CreateTool(wxControl *control)
125 {
126 return new wxToolBarToolSimple(this, control);
127 }
128
129 // ----------------------------------------------------------------------------
130 // wxToolBarSimple creation
131 // ----------------------------------------------------------------------------
132
133 void wxToolBarSimple::Init()
134 {
135 m_currentRowsOrColumns = 0;
136
137 m_lastX =
138 m_lastY = 0;
139
140 m_maxWidth =
141 m_maxHeight = 0;
142
143 m_pressedTool =
144 m_currentTool = -1;
145
146 m_xPos =
147 m_yPos = -1;
148
149 m_toolPacking = 1;
150 m_toolSeparation = 5;
151
152 m_defaultWidth = 16;
153 m_defaultHeight = 15;
154
155 m_xScrollPixelsPerLine = 1;
156 m_yScrollPixelsPerLine = 1;
157 m_xScrollingEnabled = FALSE;
158 m_yScrollingEnabled = FALSE;
159 m_xScrollPosition = 0;
160 m_yScrollPosition = 0;
161 m_xScrollLines = 0;
162 m_yScrollLines = 0;
163 m_xScrollLinesPerPage = 0;
164 m_yScrollLinesPerPage = 0;
165 }
166
167 wxToolBarToolBase *wxToolBarSimple::DoAddTool(int id,
168 const wxString& label,
169 const wxBitmap& bitmap,
170 const wxBitmap& bmpDisabled,
171 wxItemKind kind,
172 const wxString& shortHelp,
173 const wxString& longHelp,
174 wxObject *clientData,
175 wxCoord xPos,
176 wxCoord yPos)
177 {
178 // rememeber the position for DoInsertTool()
179 m_xPos = xPos;
180 m_yPos = yPos;
181
182 return wxToolBarBase::DoAddTool(id, label, bitmap, bmpDisabled, kind,
183 shortHelp, longHelp,
184 clientData, xPos, yPos);
185 }
186
187 bool wxToolBarSimple::DoInsertTool(size_t WXUNUSED(pos),
188 wxToolBarToolBase *toolBase)
189 {
190 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;
191
192 wxCHECK_MSG( !tool->IsControl(), FALSE,
193 _T("generic wxToolBarSimple doesn't support controls") );
194
195 tool->m_x = m_xPos;
196 if ( tool->m_x == -1 )
197 tool->m_x = m_xMargin;
198
199 tool->m_y = m_yPos;
200 if ( tool->m_y == -1 )
201 tool->m_y = m_yMargin;
202
203 tool->SetSize(GetToolSize());
204
205 if ( tool->IsButton() )
206 {
207 // Calculate reasonable max size in case Layout() not called
208 if ((tool->m_x + tool->GetNormalBitmap().GetWidth() + m_xMargin) > m_maxWidth)
209 m_maxWidth = (wxCoord)((tool->m_x + tool->GetWidth() + m_xMargin));
210
211 if ((tool->m_y + tool->GetNormalBitmap().GetHeight() + m_yMargin) > m_maxHeight)
212 m_maxHeight = (wxCoord)((tool->m_y + tool->GetHeight() + m_yMargin));
213 }
214
215 return TRUE;
216 }
217
218 bool wxToolBarSimple::DoDeleteTool(size_t WXUNUSED(pos),
219 wxToolBarToolBase *tool)
220 {
221 // VZ: didn't test whether it works, but why not...
222 tool->Detach();
223
224 Refresh();
225
226 return TRUE;
227 }
228
229 bool wxToolBarSimple::Create(wxWindow *parent,
230 wxWindowID id,
231 const wxPoint& pos,
232 const wxSize& size,
233 long style,
234 const wxString& name)
235 {
236 if ( !wxWindow::Create(parent, id, pos, size, style, name) )
237 return FALSE;
238
239 // Set it to grey (or other 3D face colour)
240 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
241
242 if ( GetWindowStyleFlag() & wxTB_VERTICAL )
243 {
244 m_lastX = 7;
245 m_lastY = 3;
246
247 m_maxRows = 32000; // a lot
248 m_maxCols = 1;
249 }
250 else
251 {
252 m_lastX = 3;
253 m_lastY = 7;
254
255 m_maxRows = 1;
256 m_maxCols = 32000; // a lot
257 }
258
259 SetCursor(*wxSTANDARD_CURSOR);
260
261 return TRUE;
262 }
263
264 wxToolBarSimple::~wxToolBarSimple()
265 {
266 }
267
268 bool wxToolBarSimple::Realize()
269 {
270 m_currentRowsOrColumns = 0;
271 m_lastX = m_xMargin;
272 m_lastY = m_yMargin;
273 m_maxWidth = 0;
274 m_maxHeight = 0;
275
276 int maxToolWidth = 0;
277 int maxToolHeight = 0;
278
279 // Find the maximum tool width and height
280 wxToolBarToolsList::Node *node = m_tools.GetFirst();
281 while ( node )
282 {
283 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
284 if ( tool->GetWidth() > maxToolWidth )
285 maxToolWidth = tool->GetWidth();
286 if (tool->GetHeight() > maxToolHeight)
287 maxToolHeight = tool->GetHeight();
288
289 node = node->GetNext();
290 }
291
292 int separatorSize = m_toolSeparation;
293
294 node = m_tools.GetFirst();
295 while ( node )
296 {
297 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
298 if ( tool->IsSeparator() )
299 {
300 if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
301 {
302 if (m_currentRowsOrColumns >= m_maxCols)
303 m_lastY += separatorSize;
304 else
305 m_lastX += separatorSize;
306 }
307 else
308 {
309 if (m_currentRowsOrColumns >= m_maxRows)
310 m_lastX += separatorSize;
311 else
312 m_lastY += separatorSize;
313 }
314 }
315 else if ( tool->IsButton() )
316 {
317 if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
318 {
319 if (m_currentRowsOrColumns >= m_maxCols)
320 {
321 m_currentRowsOrColumns = 0;
322 m_lastX = m_xMargin;
323 m_lastY += maxToolHeight + m_toolPacking;
324 }
325 tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
326 tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
327
328 m_lastX += maxToolWidth + m_toolPacking;
329 }
330 else
331 {
332 if (m_currentRowsOrColumns >= m_maxRows)
333 {
334 m_currentRowsOrColumns = 0;
335 m_lastX += (maxToolWidth + m_toolPacking);
336 m_lastY = m_yMargin;
337 }
338 tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
339 tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
340
341 m_lastY += maxToolHeight + m_toolPacking;
342 }
343 m_currentRowsOrColumns ++;
344 }
345 else
346 {
347 // TODO: support the controls
348 }
349
350 if (m_lastX > m_maxWidth)
351 m_maxWidth = m_lastX;
352 if (m_lastY > m_maxHeight)
353 m_maxHeight = m_lastY;
354
355 node = node->GetNext();
356 }
357
358 if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
359 m_maxWidth += maxToolWidth;
360 else
361 m_maxHeight += maxToolHeight;
362
363 m_maxWidth += m_xMargin;
364 m_maxHeight += m_yMargin;
365
366 return TRUE;
367 }
368
369 // ----------------------------------------------------------------------------
370 // event handlers
371 // ----------------------------------------------------------------------------
372
373 void wxToolBarSimple::OnPaint (wxPaintEvent& WXUNUSED(event))
374 {
375 wxPaintDC dc(this);
376 PrepareDC(dc);
377
378 static int count = 0;
379 // Prevent reentry of OnPaint which would cause wxMemoryDC errors.
380 if ( count > 0 )
381 return;
382 count++;
383
384 for ( wxToolBarToolsList::Node *node = m_tools.GetFirst();
385 node;
386 node = node->GetNext() )
387 {
388 wxToolBarToolBase *tool = node->GetData();
389 if ( tool->IsButton() )
390 DrawTool(dc, tool);
391 }
392
393 count--;
394 }
395
396 void wxToolBarSimple::OnSize (wxSizeEvent& WXUNUSED(event))
397 {
398 #if wxUSE_CONSTRAINTS
399 if (GetAutoLayout())
400 Layout();
401 #endif
402
403 AdjustScrollbars();
404 }
405
406 void wxToolBarSimple::OnKillFocus(wxFocusEvent& WXUNUSED(event))
407 {
408 OnMouseEnter(m_pressedTool = m_currentTool = -1);
409 }
410
411 void wxToolBarSimple::OnMouseEvent(wxMouseEvent & event)
412 {
413 wxCoord x, y;
414 event.GetPosition(&x, &y);
415 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)FindToolForPosition(x, y);
416
417 if (event.LeftDown())
418 {
419 CaptureMouse();
420 }
421 if (event.LeftUp())
422 {
423 ReleaseMouse();
424 }
425
426 if (!tool)
427 {
428 if (m_currentTool > -1)
429 {
430 if (event.LeftIsDown())
431 SpringUpButton(m_currentTool);
432 m_currentTool = -1;
433 OnMouseEnter(-1);
434 }
435 return;
436 }
437
438 if (!event.IsButton())
439 {
440 if ( tool->GetId() != m_currentTool )
441 {
442 // If the left button is kept down and moved over buttons,
443 // press those buttons.
444 if ( event.LeftIsDown() && tool->IsEnabled() )
445 {
446 SpringUpButton(m_currentTool);
447
448 if ( tool->CanBeToggled() )
449 {
450 tool->Toggle();
451 }
452
453 DrawTool(tool);
454 }
455
456 m_currentTool = tool->GetId();
457 OnMouseEnter(m_currentTool);
458 }
459 return;
460 }
461
462 // Left button pressed.
463 if ( event.LeftDown() && tool->IsEnabled() )
464 {
465 if ( tool->CanBeToggled() )
466 {
467 tool->Toggle();
468 }
469
470 DrawTool(tool);
471 }
472 else if (event.RightDown())
473 {
474 OnRightClick(tool->GetId(), x, y);
475 }
476
477 // Left Button Released. Only this action confirms selection.
478 // If the button is enabled and it is not a toggle tool and it is
479 // in the pressed state, then raise the button and call OnLeftClick.
480 //
481 if ( event.LeftUp() && tool->IsEnabled() )
482 {
483 // Pass the OnLeftClick event to tool
484 if ( !OnLeftClick(tool->GetId(), tool->IsToggled()) &&
485 tool->CanBeToggled() )
486 {
487 // If it was a toggle, and OnLeftClick says No Toggle allowed,
488 // then change it back
489 tool->Toggle();
490 }
491
492 DrawTool(tool);
493 }
494 }
495
496 // ----------------------------------------------------------------------------
497 // drawing
498 // ----------------------------------------------------------------------------
499
500 void wxToolBarSimple::DrawTool(wxToolBarToolBase *tool)
501 {
502 wxClientDC dc(this);
503 DrawTool(dc, tool);
504 }
505
506 void wxToolBarSimple::DrawTool(wxDC& dc, wxToolBarToolBase *toolBase)
507 {
508 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;
509
510 wxMemoryDC memDC;
511 PrepareDC(dc);
512
513 wxPen dark_grey_pen(wxColour( 85,85,85 ), 1, wxSOLID);
514 wxPen white_pen(wxT("WHITE"), 1, wxSOLID);
515 wxPen black_pen(wxT("BLACK"), 1, wxSOLID);
516
517 wxBitmap bitmap = tool->GetBitmap();
518
519 if ( bitmap.Ok() )
520 {
521 #if wxUSE_PALETTE
522 #ifndef __WXGTK__
523 if (bitmap.GetPalette())
524 memDC.SetPalette(*bitmap.GetPalette());
525 #endif
526 #endif // wxUSE_PALETTE
527
528 int ax = (int)tool->m_x,
529 ay = (int)tool->m_y,
530 bx = (int)(tool->m_x+tool->GetWidth()),
531 by = (int)(tool->m_y+tool->GetHeight());
532
533 memDC.SelectObject(bitmap);
534 if (m_windowStyle & wxTB_3DBUTTONS)
535 {
536 dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
537 dc.Blit((ax+1), (ay+1), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
538 wxPen * old_pen = & dc.GetPen();
539 dc.SetPen( white_pen );
540 dc.DrawLine(ax,(by-1),ax,ay);
541 dc.DrawLine(ax,ay,(bx-1),ay);
542 dc.SetPen( dark_grey_pen );
543 dc.DrawLine((bx-1),(ay+1),(bx-1),(by-1));
544 dc.DrawLine((bx-1),(by-1),(ax+1),(by-1));
545 dc.SetPen( black_pen );
546 dc.DrawLine(bx,ay,bx,by);
547 dc.DrawLine(bx,by,ax,by);
548 dc.SetPen( *old_pen );
549 dc.DestroyClippingRegion();
550 // Select bitmap out of the DC
551 }
552 else
553 {
554 dc.Blit(tool->m_x, tool->m_y,
555 bitmap.GetWidth(), bitmap.GetHeight(),
556 &memDC, 0, 0);
557 }
558 memDC.SelectObject(wxNullBitmap);
559
560 #if wxUSE_PALETTE
561 #ifndef __WXGTK__
562 if (bitmap.GetPalette())
563 memDC.SetPalette(wxNullPalette);
564 #endif
565 #endif // wxUSE_PALETTE
566 }
567 // No second bitmap, so draw a thick line around bitmap, or invert if mono
568 else if ( tool->IsToggled() )
569 {
570 bool drawBorder = FALSE;
571 #ifdef __X__ // X doesn't invert properly on colour
572 drawBorder = wxColourDisplay();
573 #else // Inversion works fine under Windows
574 drawBorder = FALSE;
575 #endif
576
577 if (!drawBorder)
578 {
579 memDC.SelectObject(tool->GetNormalBitmap());
580 dc.Blit(tool->m_x, tool->m_y, tool->GetWidth(), tool->GetHeight(),
581 &memDC, 0, 0, wxSRC_INVERT);
582 memDC.SelectObject(wxNullBitmap);
583 }
584 else
585 {
586 bitmap = tool->GetNormalBitmap();
587
588 if (m_windowStyle & wxTB_3DBUTTONS)
589 {
590 int ax = (int)tool->m_x,
591 ay = (int)tool->m_y,
592 bx = (int)(tool->m_x+tool->GetWidth()),
593 by = (int)(tool->m_y+tool->GetHeight());
594
595 memDC.SelectObject(bitmap);
596 dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
597 dc.Blit((ax+2), (ay+2), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
598 wxPen * old_pen = & dc.GetPen();
599 dc.SetPen( black_pen );
600 dc.DrawLine(ax,(by-1),ax,ay);
601 dc.DrawLine(ax,ay,(bx-1),ay);
602 dc.SetPen( dark_grey_pen );
603 dc.DrawLine((ax+1),(by-2),(ax+1),(ay+1));
604 dc.DrawLine((ax+1),(ay+1),(bx-2),(ay+1));
605 dc.SetPen( white_pen );
606 dc.DrawLine(bx,ay,bx,by);
607 dc.DrawLine(bx,by,ax,by);
608 dc.SetPen( *old_pen );
609 dc.DestroyClippingRegion();
610 memDC.SelectObject(wxNullBitmap);
611 }
612 else
613 {
614 wxCoord x = tool->m_x;
615 wxCoord y = tool->m_y;
616 wxCoord w = bitmap.GetWidth();
617 wxCoord h = bitmap.GetHeight();
618 wxPen thick_black_pen(wxT("BLACK"), 3, wxSOLID);
619
620 memDC.SelectObject(bitmap);
621 dc.SetClippingRegion(tool->m_x, tool->m_y, w, h);
622 dc.Blit(tool->m_x, tool->m_y, w, h,
623 &memDC, 0, 0);
624 dc.SetPen(thick_black_pen);
625 dc.SetBrush(*wxTRANSPARENT_BRUSH);
626 dc.DrawRectangle(x, y, w-1, h-1);
627 dc.DestroyClippingRegion();
628 memDC.SelectObject(wxNullBitmap);
629 }
630 }
631 }
632 }
633
634 // ----------------------------------------------------------------------------
635 // toolbar geometry
636 // ----------------------------------------------------------------------------
637
638 void wxToolBarSimple::SetRows(int nRows)
639 {
640 wxCHECK_RET( nRows != 0, _T("max number of rows must be > 0") );
641
642 m_maxCols = (GetToolsCount() + nRows - 1) / nRows;
643
644 AdjustScrollbars();
645 Refresh();
646 }
647
648 wxToolBarToolBase *wxToolBarSimple::FindToolForPosition(wxCoord x,
649 wxCoord y) const
650 {
651 wxToolBarToolsList::Node *node = m_tools.GetFirst();
652 while (node)
653 {
654 wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
655 if ((x >= tool->m_x) && (y >= tool->m_y) &&
656 (x <= (tool->m_x + tool->GetWidth())) &&
657 (y <= (tool->m_y + tool->GetHeight())))
658 {
659 return tool;
660 }
661
662 node = node->GetNext();
663 }
664
665 return (wxToolBarToolBase *)NULL;
666 }
667
668 // ----------------------------------------------------------------------------
669 // tool state change handlers
670 // ----------------------------------------------------------------------------
671
672 void wxToolBarSimple::DoEnableTool(wxToolBarToolBase *tool,
673 bool WXUNUSED(enable))
674 {
675 DrawTool(tool);
676 }
677
678 void wxToolBarSimple::DoToggleTool(wxToolBarToolBase *tool,
679 bool WXUNUSED(toggle))
680 {
681 DrawTool(tool);
682 }
683
684 void wxToolBarSimple::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
685 bool WXUNUSED(toggle))
686 {
687 // nothing to do
688 }
689
690 // Okay, so we've left the tool we're in ... we must check if the tool we're
691 // leaving was a 'sprung push button' and if so, spring it back to the up
692 // state.
693 void wxToolBarSimple::SpringUpButton(int id)
694 {
695 wxToolBarToolBase *tool = FindById(id);
696
697 if ( tool && tool->CanBeToggled() )
698 {
699 if (tool->IsToggled())
700 tool->Toggle();
701
702 DrawTool(tool);
703 }
704 }
705
706 // ----------------------------------------------------------------------------
707 // scrolling implementation
708 // ----------------------------------------------------------------------------
709
710 /*
711 * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line)
712 * noUnitsX/noUnitsY: : no. units per scrollbar
713 */
714 void wxToolBarSimple::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
715 int noUnitsX, int noUnitsY,
716 int xPos, int yPos)
717 {
718 m_xScrollPixelsPerLine = pixelsPerUnitX;
719 m_yScrollPixelsPerLine = pixelsPerUnitY;
720 m_xScrollLines = noUnitsX;
721 m_yScrollLines = noUnitsY;
722
723 int w, h;
724 GetSize(&w, &h);
725
726 // Recalculate scroll bar range and position
727 if (m_xScrollLines > 0)
728 {
729 m_xScrollPosition = xPos;
730 SetScrollPos (wxHORIZONTAL, m_xScrollPosition, TRUE);
731 }
732 else
733 {
734 SetScrollbar(wxHORIZONTAL, 0, 0, 0, FALSE);
735 m_xScrollPosition = 0;
736 }
737
738 if (m_yScrollLines > 0)
739 {
740 m_yScrollPosition = yPos;
741 SetScrollPos (wxVERTICAL, m_yScrollPosition, TRUE);
742 }
743 else
744 {
745 SetScrollbar(wxVERTICAL, 0, 0, 0, FALSE);
746 m_yScrollPosition = 0;
747 }
748 AdjustScrollbars();
749 Refresh();
750
751 #if 0 //def __WXMSW__
752 ::UpdateWindow ((HWND) GetHWND());
753 #endif
754 }
755
756 void wxToolBarSimple::OnScroll(wxScrollEvent& event)
757 {
758 int orient = event.GetOrientation();
759
760 int nScrollInc = CalcScrollInc(event);
761 if (nScrollInc == 0)
762 return;
763
764 if (orient == wxHORIZONTAL)
765 {
766 int newPos = m_xScrollPosition + nScrollInc;
767 SetScrollPos(wxHORIZONTAL, newPos, TRUE );
768 }
769 else
770 {
771 int newPos = m_yScrollPosition + nScrollInc;
772 SetScrollPos(wxVERTICAL, newPos, TRUE );
773 }
774
775 if (orient == wxHORIZONTAL)
776 {
777 if (m_xScrollingEnabled)
778 ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, NULL);
779 else
780 Refresh();
781 }
782 else
783 {
784 if (m_yScrollingEnabled)
785 ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, NULL);
786 else
787 Refresh();
788 }
789
790 if (orient == wxHORIZONTAL)
791 {
792 m_xScrollPosition += nScrollInc;
793 }
794 else
795 {
796 m_yScrollPosition += nScrollInc;
797 }
798
799 }
800
801 int wxToolBarSimple::CalcScrollInc(wxScrollEvent& event)
802 {
803 int pos = event.GetPosition();
804 int orient = event.GetOrientation();
805
806 int nScrollInc = 0;
807 if (event.GetEventType() == wxEVT_SCROLL_TOP)
808 {
809 if (orient == wxHORIZONTAL)
810 nScrollInc = - m_xScrollPosition;
811 else
812 nScrollInc = - m_yScrollPosition;
813 } else
814 if (event.GetEventType() == wxEVT_SCROLL_BOTTOM)
815 {
816 if (orient == wxHORIZONTAL)
817 nScrollInc = m_xScrollLines - m_xScrollPosition;
818 else
819 nScrollInc = m_yScrollLines - m_yScrollPosition;
820 } else
821 if (event.GetEventType() == wxEVT_SCROLL_LINEUP)
822 {
823 nScrollInc = -1;
824 } else
825 if (event.GetEventType() == wxEVT_SCROLL_LINEDOWN)
826 {
827 nScrollInc = 1;
828 } else
829 if (event.GetEventType() == wxEVT_SCROLL_PAGEUP)
830 {
831 if (orient == wxHORIZONTAL)
832 nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
833 else
834 nScrollInc = -GetScrollPageSize(wxVERTICAL);
835 } else
836 if (event.GetEventType() == wxEVT_SCROLL_PAGEDOWN)
837 {
838 if (orient == wxHORIZONTAL)
839 nScrollInc = GetScrollPageSize(wxHORIZONTAL);
840 else
841 nScrollInc = GetScrollPageSize(wxVERTICAL);
842 } else
843 if ((event.GetEventType() == wxEVT_SCROLL_THUMBTRACK) ||
844 (event.GetEventType() == wxEVT_SCROLL_THUMBRELEASE))
845 {
846 if (orient == wxHORIZONTAL)
847 nScrollInc = pos - m_xScrollPosition;
848 else
849 nScrollInc = pos - m_yScrollPosition;
850 }
851
852 if (orient == wxHORIZONTAL)
853 {
854 int w, h;
855 GetClientSize(&w, &h);
856
857 int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
858 int noPositions = (int) ( ((nMaxWidth - w)/(float)m_xScrollPixelsPerLine) + 0.5 );
859 if (noPositions < 0)
860 noPositions = 0;
861
862 if ( (m_xScrollPosition + nScrollInc) < 0 )
863 nScrollInc = -m_xScrollPosition; // As -ve as we can go
864 else if ( (m_xScrollPosition + nScrollInc) > noPositions )
865 nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go
866
867 return nScrollInc;
868 }
869 else
870 {
871 int w, h;
872 GetClientSize(&w, &h);
873
874 int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
875 int noPositions = (int) ( ((nMaxHeight - h)/(float)m_yScrollPixelsPerLine) + 0.5 );
876 if (noPositions < 0)
877 noPositions = 0;
878
879 if ( (m_yScrollPosition + nScrollInc) < 0 )
880 nScrollInc = -m_yScrollPosition; // As -ve as we can go
881 else if ( (m_yScrollPosition + nScrollInc) > noPositions )
882 nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go
883
884 return nScrollInc;
885 }
886 }
887
888 // Adjust the scrollbars - new version.
889 void wxToolBarSimple::AdjustScrollbars()
890 {
891 int w, h;
892 GetClientSize(&w, &h);
893
894 // Recalculate scroll bar range and position
895 if (m_xScrollLines > 0)
896 {
897 int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
898 int newRange = (int) ( ((nMaxWidth)/(float)m_xScrollPixelsPerLine) + 0.5 );
899 if (newRange < 0)
900 newRange = 0;
901
902 m_xScrollPosition = wxMin(newRange, m_xScrollPosition);
903
904 // Calculate page size i.e. number of scroll units you get on the
905 // current client window
906 int noPagePositions = (int) ( (w/(float)m_xScrollPixelsPerLine) + 0.5 );
907 if (noPagePositions < 1)
908 noPagePositions = 1;
909
910 SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, newRange);
911 SetScrollPageSize(wxHORIZONTAL, noPagePositions);
912 }
913 if (m_yScrollLines > 0)
914 {
915 int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
916 int newRange = (int) ( ((nMaxHeight)/(float)m_yScrollPixelsPerLine) + 0.5 );
917 if (newRange < 0)
918 newRange = 0;
919
920 m_yScrollPosition = wxMin(newRange, m_yScrollPosition);
921
922 // Calculate page size i.e. number of scroll units you get on the
923 // current client window
924 int noPagePositions = (int) ( (h/(float)m_yScrollPixelsPerLine) + 0.5 );
925 if (noPagePositions < 1)
926 noPagePositions = 1;
927
928 SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, newRange);
929 SetScrollPageSize(wxVERTICAL, noPagePositions);
930 }
931 }
932
933 // Prepare the DC by translating it according to the current scroll position
934 void wxToolBarSimple::PrepareDC(wxDC& dc)
935 {
936 dc.SetDeviceOrigin(- m_xScrollPosition * m_xScrollPixelsPerLine, - m_yScrollPosition * m_yScrollPixelsPerLine);
937 }
938
939 void wxToolBarSimple::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
940 {
941 *x_unit = m_xScrollPixelsPerLine;
942 *y_unit = m_yScrollPixelsPerLine;
943 }
944
945 int wxToolBarSimple::GetScrollPageSize(int orient) const
946 {
947 if ( orient == wxHORIZONTAL )
948 return m_xScrollLinesPerPage;
949 else
950 return m_yScrollLinesPerPage;
951 }
952
953 void wxToolBarSimple::SetScrollPageSize(int orient, int pageSize)
954 {
955 if ( orient == wxHORIZONTAL )
956 m_xScrollLinesPerPage = pageSize;
957 else
958 m_yScrollLinesPerPage = pageSize;
959 }
960
961 /*
962 * Scroll to given position (scroll position, not pixel position)
963 */
964 void wxToolBarSimple::Scroll (int x_pos, int y_pos)
965 {
966 int old_x, old_y;
967 ViewStart (&old_x, &old_y);
968 if (((x_pos == -1) || (x_pos == old_x)) && ((y_pos == -1) || (y_pos == old_y)))
969 return;
970
971 if (x_pos > -1)
972 {
973 m_xScrollPosition = x_pos;
974 SetScrollPos (wxHORIZONTAL, x_pos, TRUE);
975 }
976 if (y_pos > -1)
977 {
978 m_yScrollPosition = y_pos;
979 SetScrollPos (wxVERTICAL, y_pos, TRUE);
980 }
981 Refresh();
982
983 #if 0 //def __WXMSW__
984 UpdateWindow ((HWND) GetHWND());
985 #endif
986 }
987
988 void wxToolBarSimple::EnableScrolling (bool x_scroll, bool y_scroll)
989 {
990 m_xScrollingEnabled = x_scroll;
991 m_yScrollingEnabled = y_scroll;
992 }
993
994 void wxToolBarSimple::GetVirtualSize (int *x, int *y) const
995 {
996 *x = m_xScrollPixelsPerLine * m_xScrollLines;
997 *y = m_yScrollPixelsPerLine * m_yScrollLines;
998 }
999
1000 // Where the current view starts from
1001 void wxToolBarSimple::ViewStart (int *x, int *y) const
1002 {
1003 *x = m_xScrollPosition;
1004 *y = m_yScrollPosition;
1005 }
1006
1007 #endif // wxUSE_TOOLBAR_SIMPLE