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/wx.h"
  25 #endif
  26
  27 #if wxUSE_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 wxToolBarSimple::wxToolBarSimple(void)
  43 {
  44     m_currentRowsOrColumns = 0;
  45     m_lastX = 0;
  46     m_lastY = 0;
  47 }
  48
  49 bool wxToolBarSimple::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style,
  50   const wxString& name )
  51 {
  52         if ( ! wxWindow::Create(parent, id, pos, size, style, name) )
  53                 return FALSE;
  54
  55   // Set it to grey (or other 3D face colour)
  56   wxSystemSettings settings;
  57   SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_3DFACE));
  58
  59   if ( GetWindowStyleFlag() & wxTB_VERTICAL )
  60     { m_lastX = 7; m_lastY = 3; }
  61   else
  62     { m_lastX = 3; m_lastY = 7; }
  63   m_maxWidth = m_maxHeight = 0;
  64   m_pressedTool = m_currentTool = -1;
  65   m_xMargin = 0;
  66   m_yMargin = 0;
  67   m_toolPacking = 1;
  68   m_toolSeparation = 5;
  69
  70   return TRUE;
  71 }
  72
  73 wxToolBarSimple::~wxToolBarSimple ()
  74 {
  75 }
  76
  77 void wxToolBarSimple::OnPaint (wxPaintEvent& event)
  78 {
  79   wxPaintDC dc(this);
  80   PrepareDC(dc);
  81
  82   static int count = 0;
  83   // Prevent reentry of OnPaint which would cause wxMemoryDC errors.
  84   if ( count > 0 )
  85     return;
  86   count++;
  87
  88   wxMemoryDC mem_dc;
  89
  90   for ( wxNode *node = m_tools.First(); node; node = node->Next() )
  91   {
  92     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
  93     if (tool->m_toolStyle == wxTOOL_STYLE_BUTTON)
  94       DrawTool(dc, mem_dc, tool);
  95   }
  96
  97   count--;
  98 }
  99
 100 void wxToolBarSimple::OnSize ( wxSizeEvent& event )
 101 {
 102   wxToolBarBase::OnSize(event);
 103 }
 104
 105 void wxToolBarSimple::OnKillFocus (wxFocusEvent& event)
 106 {
 107   OnMouseEnter(m_pressedTool = m_currentTool = -1);
 108 }
 109
 110 void wxToolBarSimple::OnMouseEvent ( wxMouseEvent & event )
 111 {
 112     long x, y;
 113     event.Position(&x, &y);
 114     wxToolBarTool *tool = FindToolForPosition(x, y);
 115
 116     if (event.LeftDown())
 117     {
 118         CaptureMouse();
 119     }
 120     if (event.LeftUp())
 121     {
 122         ReleaseMouse();
 123     }
 124
 125     if (!tool)
 126       {
 127           if (m_currentTool > -1)
 128             {
 129                 if (event.LeftIsDown())
 130                   SpringUpButton(m_currentTool);
 131                 m_currentTool = -1;
 132                 OnMouseEnter(-1);
 133             }
 134           return;
 135       }
 136
 137     if (!event.IsButton())
 138       {
 139           if (tool->m_index != m_currentTool)
 140             {
 141                 // If the left button is kept down and moved over buttons,
 142                 // press those buttons.
 143                 if (event.LeftIsDown() && tool->m_enabled)
 144         {
 145             SpringUpButton(m_currentTool);
 146             tool->m_toggleState = !tool->m_toggleState;
 147             wxMemoryDC *dc2 = new wxMemoryDC;
 148             wxClientDC dc(this);
 149             DrawTool(dc, *dc2, tool);
 150             delete dc2;
 151                 }
 152         m_currentTool = tool->m_index;
 153         OnMouseEnter(tool->m_index);
 154             }
 155           return;
 156       }
 157
 158   // Left button pressed.
 159   if (event.LeftDown() && tool->m_enabled)
 160   {
 161       if (tool->m_isToggle)
 162       {
 163         tool->m_toggleState = !tool->m_toggleState;
 164       }
 165
 166       wxMemoryDC *dc2 = new wxMemoryDC;
 167           wxClientDC dc(this);
 168       DrawTool(dc, *dc2, tool);
 169       delete dc2;
 170
 171   }
 172   else if (event.RightDown())
 173   {
 174     OnRightClick(tool->m_index, x, y);
 175   }
 176
 177   // Left Button Released.  Only this action confirms selection.
 178   // If the button is enabled and it is not a toggle tool and it is
 179   // in the pressed state, then raise the button and call OnLeftClick.
 180   //
 181   if (event.LeftUp() && tool->m_enabled &&
 182       (tool->m_toggleState || tool->m_isToggle))
 183   {
 184     if (!tool->m_isToggle)
 185         tool->m_toggleState = FALSE;
 186
 187     // Pass the OnLeftClick event to tool
 188     if (!OnLeftClick(tool->m_index, tool->m_toggleState) && tool->m_isToggle)
 189     {
 190         // If it was a toggle, and OnLeftClick says No Toggle allowed,
 191         // then change it back
 192         tool->m_toggleState = !tool->m_toggleState;
 193     }
 194
 195     wxClientDC dc(this);
 196     wxMemoryDC *dc2 = new wxMemoryDC;
 197     DrawTool(dc, *dc2, tool);
 198     delete dc2;
 199   }
 200 }
 201
 202 void wxToolBarSimple::DrawTool(wxDC& dc, wxMemoryDC& memDC, wxToolBarTool *tool)
 203 {
 204   PrepareDC(dc);
 205
 206   wxPen dark_grey_pen(wxColour( 85,85,85 ), 1, wxSOLID);
 207   wxPen white_pen("WHITE", 1, wxSOLID);
 208   wxPen black_pen("BLACK", 1, wxSOLID);
 209
 210   wxBitmap *bitmap = tool->m_toggleState ? (& tool->m_bitmap2) : (& tool->m_bitmap1);
 211
 212   if (bitmap && bitmap->Ok())
 213   {
 214     if (bitmap->GetPalette())
 215       memDC.SetPalette(*bitmap->GetPalette());
 216
 217     int ax = (int)tool->m_x,
 218         ay = (int)tool->m_y,
 219         bx = (int)(tool->m_x+tool->GetWidth()),
 220         by = (int)(tool->m_y+tool->GetHeight());
 221
 222     memDC.SelectObject(*bitmap);
 223     if (m_windowStyle & wxTB_3DBUTTONS)
 224     {
 225       dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 226       dc.Blit((ax+1), (ay+1), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 227       wxPen * old_pen = dc.GetPen();
 228       dc.SetPen( white_pen );
 229       dc.DrawLine(ax,(by-1),ax,ay);
 230       dc.DrawLine(ax,ay,(bx-1),ay);
 231       dc.SetPen( dark_grey_pen );
 232       dc.DrawLine((bx-1),(ay+1),(bx-1),(by-1));
 233       dc.DrawLine((bx-1),(by-1),(ax+1),(by-1));
 234       dc.SetPen( black_pen );
 235       dc.DrawLine(bx,ay,bx,by);
 236       dc.DrawLine(bx,by,ax,by);
 237       dc.SetPen( *old_pen );
 238       dc.DestroyClippingRegion();
 239       // Select bitmap out of the DC
 240     }
 241     else
 242     {
 243       dc.Blit(tool->m_x, tool->m_y,
 244             bitmap->GetWidth(), bitmap->GetHeight(),
 245             &memDC, 0, 0);
 246     }
 247     memDC.SelectObject(wxNullBitmap);
 248     memDC.SetPalette(wxNullPalette);
 249   }
 250   // No second bitmap, so draw a thick line around bitmap, or invert if mono
 251   else if (tool->m_toggleState)
 252   {
 253     bool drawBorder = FALSE;
 254     #ifdef __X__ // X doesn't invert properly on colour
 255     drawBorder = wxColourDisplay();
 256     #else       // Inversion works fine under Windows
 257     drawBorder = FALSE;
 258     #endif
 259
 260     if (!drawBorder)
 261     {
 262       memDC.SelectObject(tool->m_bitmap1);
 263       dc.Blit(tool->m_x, tool->m_y, tool->GetWidth(), tool->GetHeight(),
 264                &memDC, 0, 0, wxSRC_INVERT);
 265       memDC.SelectObject(wxNullBitmap);
 266     }
 267     else
 268     {
 269       if (m_windowStyle & wxTB_3DBUTTONS)
 270       {
 271         int ax = (int)tool->m_x,
 272             ay = (int)tool->m_y,
 273             bx = (int)(tool->m_x+tool->GetWidth()),
 274             by = (int)(tool->m_y+tool->GetHeight());
 275
 276         memDC.SelectObject(tool->m_bitmap1);
 277         dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 278         dc.Blit((ax+2), (ay+2), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 279         wxPen * old_pen = dc.GetPen();
 280         dc.SetPen( black_pen );
 281         dc.DrawLine(ax,(by-1),ax,ay);
 282         dc.DrawLine(ax,ay,(bx-1),ay);
 283         dc.SetPen( dark_grey_pen );
 284         dc.DrawLine((ax+1),(by-2),(ax+1),(ay+1));
 285         dc.DrawLine((ax+1),(ay+1),(bx-2),(ay+1));
 286         dc.SetPen( white_pen );
 287         dc.DrawLine(bx,ay,bx,by);
 288         dc.DrawLine(bx,by,ax,by);
 289         dc.SetPen( *old_pen );
 290         dc.DestroyClippingRegion();
 291         memDC.SelectObject(wxNullBitmap);
 292       }
 293       else
 294       {
 295         long x = tool->m_x;
 296         long y = tool->m_y;
 297         long w = tool->m_bitmap1.GetWidth();
 298         long h = tool->m_bitmap1.GetHeight();
 299         wxPen thick_black_pen("BLACK", 3, wxSOLID);
 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