src/common/tbarsmpl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tbarsmpl.cpp
   3 // Purpose:     wxToolBarSimple
   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 "tbarsmpl.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx.h"
  25 #endif
  26
  27 #if USE_TOOLBAR
  28
  29 #include "wx/tbarsmpl.h"
  30
  31 #if !USE_SHARED_LIBRARY
  32 IMPLEMENT_DYNAMIC_CLASS(wxToolBarSimple, wxToolBarBase)
  33
  34 BEGIN_EVENT_TABLE(wxToolBarSimple, wxToolBarBase)
  35         EVT_SIZE(wxToolBarSimple::OnSize)
  36         EVT_PAINT(wxToolBarSimple::OnPaint)
  37         EVT_KILL_FOCUS(wxToolBarSimple::OnKillFocus)
  38         EVT_MOUSE_EVENTS(wxToolBarSimple::OnMouseEvent)
  39 END_EVENT_TABLE()
  40 #endif
  41
  42 // TODO: eliminate these; use system colours
  43 static wxPen * white_pen = NULL,
  44              * dark_grey_pen = NULL,
  45              * black_pen = NULL,
  46              * thick_black_pen;
  47
  48 wxToolBarSimple::wxToolBarSimple(void)
  49 {
  50     m_currentRowsOrColumns = 0;
  51     m_lastX = 0;
  52     m_lastY = 0;
  53 }
  54
  55 bool wxToolBarSimple::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style,
  56   const wxString& name )
  57 {
  58         if ( ! wxWindow::Create(parent, id, pos, size, style, name) )
  59                 return FALSE;
  60
  61   // Set it to grey (or other 3D face colour)
  62   wxSystemSettings settings;
  63   SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_3DFACE));
  64   SetDefaultBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_3DFACE));
  65
  66   if ( white_pen == 0 )
  67   {
  68     white_pen = new wxPen;
  69     white_pen->SetColour( "WHITE" );
  70   }
  71   if ( dark_grey_pen == 0 )
  72   {
  73     dark_grey_pen = new wxPen;
  74     dark_grey_pen->SetColour( 85,85,85 );
  75   }
  76   if ( black_pen == 0 )
  77   {
  78     black_pen = new wxPen;
  79     black_pen->SetColour( "BLACK" );
  80   }
  81   if ( thick_black_pen == 0 )
  82   {
  83     thick_black_pen = new wxPen("BLACK", 3, wxSOLID);
  84   }
  85   if ( GetWindowStyleFlag() & wxTB_VERTICAL )
  86     { m_lastX = 7; m_lastY = 3; }
  87   else
  88     { m_lastX = 3; m_lastY = 7; }
  89   m_maxWidth = m_maxHeight = 0;
  90   m_pressedTool = m_currentTool = -1;
  91   m_xMargin = 0;
  92   m_yMargin = 0;
  93   m_toolPacking = 1;
  94   m_toolSeparation = 5;
  95
  96   return TRUE;
  97 }
  98
  99 wxToolBarSimple::~wxToolBarSimple ()
 100 {
 101 }
 102
 103 void wxToolBarSimple::OnPaint (wxPaintEvent& event)
 104 {
 105   wxPaintDC dc(this);
 106   PrepareDC(dc);
 107
 108   static int count = 0;
 109   // Prevent reentry of OnPaint which would cause wxMemoryDC errors.
 110   if ( count > 0 )
 111     return;
 112   count++;
 113
 114   wxMemoryDC mem_dc;
 115
 116   for ( wxNode *node = m_tools.First(); node; node = node->Next() )
 117   {
 118     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 119     if (tool->m_toolStyle == wxTOOL_STYLE_BUTTON)
 120       DrawTool(dc, mem_dc, tool);
 121   }
 122
 123   count--;
 124 }
 125
 126 void wxToolBarSimple::OnSize ( wxSizeEvent& event )
 127 {
 128   wxToolBarBase::OnSize(event);
 129 }
 130
 131 void wxToolBarSimple::OnKillFocus (wxFocusEvent& event)
 132 {
 133   OnMouseEnter(m_pressedTool = m_currentTool = -1);
 134 }
 135
 136 void wxToolBarSimple::OnMouseEvent ( wxMouseEvent & event )
 137 {
 138     long x, y;
 139     event.Position(&x, &y);
 140     wxToolBarTool *tool = FindToolForPosition(x, y);
 141
 142     if (!tool)
 143       {
 144           if (m_currentTool > -1)
 145             {
 146                 if (event.LeftIsDown())
 147                   SpringUpButton(m_currentTool);
 148                 m_currentTool = -1;
 149                 OnMouseEnter(-1);
 150             }
 151           return;
 152       }
 153
 154     if (!event.IsButton())
 155       {
 156           if (tool->m_index != m_currentTool)
 157             {
 158                 // If the left button is kept down and moved over buttons,
 159                 // press those buttons.
 160                 if (event.LeftIsDown() && tool->m_enabled) {
 161                     SpringUpButton(m_currentTool);
 162                     tool->m_toggleState = !tool->m_toggleState;
 163                     wxMemoryDC *dc2 = new wxMemoryDC;
 164                         wxClientDC dc(this);
 165                     DrawTool(dc, *dc2, tool);
 166                     delete dc2;
 167                 }
 168                 OnMouseEnter(tool->m_index);
 169                 m_currentTool = tool->m_index;
 170             }
 171           return;
 172       }
 173
 174   // Left button pressed.
 175   if (event.LeftDown() && tool->m_enabled)
 176   {
 177       tool->m_toggleState = !tool->m_toggleState;
 178       wxMemoryDC *dc2 = new wxMemoryDC;
 179           wxClientDC dc(this);
 180       DrawTool(dc, *dc2, tool);
 181       delete dc2;
 182   }
 183   else if (event.RightDown())
 184   {
 185     OnRightClick(tool->m_index, x, y);
 186   }
 187   // Left Button Released.  Only this action confirms selection.
 188   // If the button is enabled and it is not a toggle tool and it is
 189   // in the pressed state, then raise the button and call OnLeftClick.
 190   //
 191   if (event.LeftUp() && tool->m_enabled &&
 192       (tool->m_toggleState || tool->m_isToggle)){
 193       if (!tool->m_isToggle)
 194         tool->m_toggleState = FALSE;
 195       // Pass the OnLeftClick event to tool
 196       if (!OnLeftClick(tool->m_index, tool->m_toggleState) && tool->m_isToggle)
 197         // If it was a toggle, and OnLeftClick says No Toggle allowed,
 198         // then change it back
 199         tool->m_toggleState = !tool->m_toggleState;
 200     wxClientDC dc(this);
 201       wxMemoryDC *dc2 = new wxMemoryDC;
 202       DrawTool(dc, *dc2, tool);
 203       delete dc2;
 204   }
 205 }
 206
 207 void wxToolBarSimple::DrawTool(wxDC& dc, wxMemoryDC& memDC, wxToolBarTool *tool)
 208 {
 209   PrepareDC(dc);
 210
 211   wxBitmap *bitmap = tool->m_toggleState ? (& tool->m_bitmap2) : (& tool->m_bitmap1);
 212
 213   if (bitmap && bitmap->Ok())
 214   {
 215     if (bitmap->GetColourMap())
 216       memDC.SetPalette(*bitmap->GetColourMap());
 217
 218     int ax = (int)tool->m_x,
 219         ay = (int)tool->m_y,
 220         bx = (int)(tool->m_x+tool->GetWidth()),
 221         by = (int)(tool->m_y+tool->GetHeight());
 222
 223     memDC.SelectObject(*bitmap);
 224     if (m_windowStyle & wxTB_3DBUTTONS)
 225     {
 226       dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 227       dc.Blit((ax+1), (ay+1), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 228       wxPen * old_pen = dc.GetPen();
 229       dc.SetPen( *white_pen );
 230       dc.DrawLine(ax,(by-1),ax,ay);
 231       dc.DrawLine(ax,ay,(bx-1),ay);
 232       dc.SetPen( *dark_grey_pen );
 233       dc.DrawLine((bx-1),(ay+1),(bx-1),(by-1));
 234       dc.DrawLine((bx-1),(by-1),(ax+1),(by-1));
 235       dc.SetPen( *black_pen );
 236       dc.DrawLine(bx,ay,bx,by);
 237       dc.DrawLine(bx,by,ax,by);
 238       dc.SetPen( *old_pen );
 239       dc.DestroyClippingRegion();
 240       // Select bitmap out of the DC
 241     }
 242     else
 243     {
 244       dc.Blit(tool->m_x, tool->m_y,
 245             bitmap->GetWidth(), bitmap->GetHeight(),
 246             &memDC, 0, 0);
 247     }
 248     memDC.SelectObject(wxNullBitmap);
 249     memDC.SetPalette(wxNullPalette);
 250   }
 251   // No second bitmap, so draw a thick line around bitmap, or invert if mono
 252   else if (tool->m_toggleState)
 253   {
 254     bool drawBorder = FALSE;
 255     #ifdef __X__ // X doesn't invert properly on colour
 256     drawBorder = wxColourDisplay();
 257     #else       // Inversion works fine under Windows
 258     drawBorder = FALSE;
 259     #endif
 260
 261     if (!drawBorder)
 262     {
 263       memDC.SelectObject(tool->m_bitmap1);
 264       dc.Blit(tool->m_x, tool->m_y, tool->GetWidth(), tool->GetHeight(),
 265                &memDC, 0, 0, wxSRC_INVERT);
 266       memDC.SelectObject(wxNullBitmap);
 267     }
 268     else
 269     {
 270       if (m_windowStyle & wxTB_3DBUTTONS)
 271       {
 272         int ax = (int)tool->m_x,
 273             ay = (int)tool->m_y,
 274             bx = (int)(tool->m_x+tool->GetWidth()),
 275             by = (int)(tool->m_y+tool->GetHeight());
 276
 277         memDC.SelectObject(tool->m_bitmap1);
 278         dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 279         dc.Blit((ax+2), (ay+2), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 280         wxPen * old_pen = dc.GetPen();
 281         dc.SetPen( *black_pen );
 282         dc.DrawLine(ax,(by-1),ax,ay);
 283         dc.DrawLine(ax,ay,(bx-1),ay);
 284         dc.SetPen( *dark_grey_pen );
 285         dc.DrawLine((ax+1),(by-2),(ax+1),(ay+1));
 286         dc.DrawLine((ax+1),(ay+1),(bx-2),(ay+1));
 287         dc.SetPen( *white_pen );
 288         dc.DrawLine(bx,ay,bx,by);
 289         dc.DrawLine(bx,by,ax,by);
 290         dc.SetPen( *old_pen );
 291         dc.DestroyClippingRegion();
 292         memDC.SelectObject(wxNullBitmap);
 293       }
 294       else
 295       {
 296         long x = tool->m_x;
 297         long y = tool->m_y;
 298         long w = tool->m_bitmap1.GetWidth();
 299         long h = tool->m_bitmap1.GetHeight();
 300
 301         memDC.SelectObject(tool->m_bitmap1);
 302         dc.SetClippingRegion(tool->m_x, tool->m_y, w, h);
 303         dc.Blit(tool->m_x, tool->m_y, w, h,
 304                  &memDC, 0, 0);
 305         dc.SetPen(*thick_black_pen);
 306         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 307         dc.DrawRectangle(x, y, w-1, h-1);
 308         dc.DestroyClippingRegion();
 309         memDC.SelectObject(wxNullBitmap);
 310       }
 311     }
 312   }
 313 }
 314
 315 void wxToolBarSimple::ToggleTool(int index, bool toggle)
 316 {
 317   wxNode *node = m_tools.Find((long)index);
 318   if (node)
 319   {
 320     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 321     if (tool && tool->m_isToggle)
 322     {
 323       bool oldState = tool->m_toggleState;
 324       tool->m_toggleState = toggle;
 325
 326       if (oldState != toggle)
 327       {
 328         wxMemoryDC memDC;
 329                 wxClientDC dc(this);
 330         DrawTool(dc, memDC, tool);
 331       }
 332     }
 333   }
 334 }
 335
 336 // Okay, so we've left the tool we're in ... we must check if
 337 // the tool we're leaving was a 'sprung push button' and if so,
 338 // spring it back to the up state.
 339 //
 340 void wxToolBarSimple::SpringUpButton(int index)
 341 {
 342   wxNode *node=m_tools.Find((long)index);
 343   if (node) {
 344     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 345     if (tool && !tool->m_isToggle && tool->m_toggleState){
 346       tool->m_toggleState = FALSE;
 347       wxMemoryDC memDC;
 348           wxClientDC dc(this);
 349       DrawTool(dc, memDC, tool);
 350     }
 351     else if (tool && tool->m_isToggle){
 352         tool->m_toggleState = !tool->m_toggleState;
 353     wxMemoryDC memDC;
 354         wxClientDC dc(this);
 355     DrawTool(dc, memDC, tool);
 356    }
 357   }
 358 }
 359
 360 void wxToolBarSimple::Layout(void)
 361 {
 362   m_currentRowsOrColumns = 0;
 363   m_lastX = m_xMargin;
 364   m_lastY = m_yMargin;
 365   int maxToolWidth = 0;
 366   int maxToolHeight = 0;
 367   m_maxWidth = 0;
 368   m_maxHeight = 0;
 369
 370   // Find the maximum tool width and height
 371   wxNode *node = m_tools.First();
 372   while (node)
 373   {
 374     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 375     if (tool->GetWidth() > maxToolWidth)
 376       maxToolWidth = (int)tool->GetWidth();
 377     if (tool->GetHeight() > maxToolHeight)
 378       maxToolHeight = (int)tool->GetHeight();
 379     node = node->Next();
 380   }
 381
 382   int separatorSize = m_toolSeparation;
 383
 384   node = m_tools.First();
 385   while (node)
 386   {
 387     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 388     if (tool->m_toolStyle == wxTOOL_STYLE_SEPARATOR)
 389     {
 390       if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 391       {
 392         if (m_currentRowsOrColumns >= m_maxCols)
 393           m_lastY += separatorSize;
 394         else
 395           m_lastX += separatorSize;
 396       }
 397       else
 398       {
 399         if (m_currentRowsOrColumns >= m_maxRows)
 400           m_lastX += separatorSize;
 401         else
 402           m_lastY += separatorSize;
 403       }
 404     }
 405     else if (tool->m_toolStyle == wxTOOL_STYLE_BUTTON)
 406     {
 407       if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 408       {
 409         if (m_currentRowsOrColumns >= m_maxCols)
 410         {
 411           m_currentRowsOrColumns = 0;
 412           m_lastX = m_xMargin;
 413           m_lastY += maxToolHeight + m_toolPacking;
 414         }
 415         tool->m_x = (long) (m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 416         tool->m_y = (long) (m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 417
 418         m_lastX += maxToolWidth + m_toolPacking;
 419       }
 420       else
 421       {
 422         if (m_currentRowsOrColumns >= m_maxRows)
 423         {
 424           m_currentRowsOrColumns = 0;
 425           m_lastX += (maxToolWidth + m_toolPacking);
 426           m_lastY = m_yMargin;
 427         }
 428         tool->m_x = (long) (m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 429         tool->m_y = (long) (m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 430
 431         m_lastY += maxToolHeight + m_toolPacking;
 432       }
 433       m_currentRowsOrColumns ++;
 434     }
 435
 436     if (m_lastX > m_maxWidth)
 437       m_maxWidth = m_lastX;
 438     if (m_lastY > m_maxHeight)
 439       m_maxHeight = m_lastY;
 440
 441     node = node->Next();
 442   }
 443   if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 444     m_maxWidth += maxToolWidth;
 445   else
 446     m_maxHeight += maxToolHeight;
 447
 448   m_maxWidth += m_xMargin;
 449   m_maxHeight += m_yMargin;
 450 }
 451
 452
 453 #endif