src/generic/buttonbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/buttonbar.cpp
   3 // Purpose:     wxButtonToolBar implementation
   4 // Author:      Julian Smart, after Robert Roebling, Vadim Zeitlin, SciTech
   5 // Modified by:
   6 // Created:     2006-04-13
   7 // Id:          $Id$
   8 // Copyright:   (c) Julian Smart, Robert Roebling, Vadim Zeitlin,
   9 //              SciTech Software, Inc.
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // For compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 // Currently, only for Mac as a toolbar replacement.
  29 #if defined(__WXMAC__) && wxUSE_TOOLBAR && wxUSE_BMPBUTTON
  30
  31 #include "wx/generic/buttonbar.h"
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/utils.h"
  35     #include "wx/app.h"
  36     #include "wx/log.h"
  37     #include "wx/frame.h"
  38     #include "wx/dcclient.h"
  39     #include "wx/settings.h"
  40     #include "wx/image.h"
  41 #endif
  42
  43 // ----------------------------------------------------------------------------
  44 // wxButtonToolBarTool: our implementation of wxToolBarToolBase
  45 // ----------------------------------------------------------------------------
  46
  47 class WXDLLEXPORT wxButtonToolBarTool : public wxToolBarToolBase
  48 {
  49 public:
  50     wxButtonToolBarTool(wxButtonToolBar *tbar,
  51                   int id,
  52                   const wxString& label,
  53                   const wxBitmap& bmpNormal,
  54                   const wxBitmap& bmpDisabled,
  55                   wxItemKind kind,
  56                   wxObject *clientData,
  57                   const wxString& shortHelp,
  58                   const wxString& longHelp)
  59         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
  60                             clientData, shortHelp, longHelp)
  61     {
  62         m_x = m_y = wxDefaultCoord;
  63         m_width =
  64         m_height = 0;
  65
  66         m_button = NULL;
  67     }
  68
  69     wxButtonToolBarTool(wxButtonToolBar *tbar,
  70                         wxControl *control,
  71                         const wxString& label)
  72         : wxToolBarToolBase(tbar, control, label)
  73     {
  74         m_x = m_y = wxDefaultCoord;
  75         m_width =
  76         m_height = 0;
  77         m_button = NULL;
  78     }
  79
  80     wxBitmapButton* GetButton() const { return m_button; }
  81     void SetButton(wxBitmapButton* button) { m_button = button; }
  82
  83 public:
  84     // the tool position (for controls)
  85     wxCoord m_x;
  86     wxCoord m_y;
  87     wxCoord m_width;
  88     wxCoord m_height;
  89
  90 private:
  91     // the control representing the button
  92     wxBitmapButton* m_button;
  93 };
  94
  95 // ============================================================================
  96 // wxButtonToolBar implementation
  97 // ============================================================================
  98
  99 IMPLEMENT_DYNAMIC_CLASS(wxButtonToolBar, wxControl)
 100
 101 BEGIN_EVENT_TABLE(wxButtonToolBar, wxControl)
 102     EVT_BUTTON(wxID_ANY, wxButtonToolBar::OnCommand)
 103     EVT_PAINT(wxButtonToolBar::OnPaint)
 104     EVT_LEFT_UP(wxButtonToolBar::OnLeftUp)
 105 END_EVENT_TABLE()
 106
 107 // ----------------------------------------------------------------------------
 108 // wxButtonToolBar creation
 109 // ----------------------------------------------------------------------------
 110
 111 void wxButtonToolBar::Init()
 112 {
 113     // no tools yet
 114     m_needsLayout = false;
 115
 116     // unknown widths for the tools and separators
 117     m_widthSeparator = wxDefaultCoord;
 118
 119     m_maxWidth = m_maxHeight = 0;
 120
 121     m_labelMargin = 2;
 122     m_labelHeight = 0;
 123
 124     SetMargins(8, 2);
 125     SetToolPacking(8);
 126 }
 127
 128 bool wxButtonToolBar::Create(wxWindow *parent,
 129                        wxWindowID id,
 130                        const wxPoint& pos,
 131                        const wxSize& size,
 132                        long style,
 133                        const wxString& name)
 134 {
 135     if ( !wxToolBarBase::Create(parent, id, pos, size, style,
 136                                 wxDefaultValidator, name) )
 137     {
 138         return false;
 139     }
 140
 141     // wxColour lightBackground(244, 244, 244);
 142
 143     wxFont font(wxSMALL_FONT->GetPointSize(),
 144                 wxNORMAL_FONT->GetFamily(),
 145                 wxNORMAL_FONT->GetStyle(),
 146                 wxFONTWEIGHT_NORMAL);
 147     SetFont(font);
 148
 149     // Calculate the label height if necessary
 150     if (GetWindowStyle() & wxTB_TEXT)
 151     {
 152         wxClientDC dc(this);
 153         dc.SetFont(font);
 154         int w, h;
 155         dc.GetTextExtent(wxT("X"), & w, & h);
 156         m_labelHeight = h;
 157     }
 158     return true;
 159 }
 160
 161 wxButtonToolBar::~wxButtonToolBar()
 162 {
 163 }
 164
 165 // ----------------------------------------------------------------------------
 166 // wxButtonToolBar tool-related methods
 167 // ----------------------------------------------------------------------------
 168
 169 wxToolBarToolBase *wxButtonToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
 170 {
 171     // check the "other" direction first: it must be inside the toolbar or we
 172     // don't risk finding anything
 173     if ( IsVertical() )
 174     {
 175         if ( x < 0 || x > m_maxWidth )
 176             return NULL;
 177
 178         // we always use x, even for a vertical toolbar, this makes the code
 179         // below simpler
 180         x = y;
 181     }
 182     else // horizontal
 183     {
 184         if ( y < 0 || y > m_maxHeight )
 185             return NULL;
 186     }
 187
 188     for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 189           node;
 190           node = node->GetNext() )
 191     {
 192         wxButtonToolBarTool *tool =  (wxButtonToolBarTool*) node->GetData();
 193         wxRect rectTool = GetToolRect(tool);
 194
 195         wxCoord startTool, endTool;
 196         GetRectLimits(rectTool, &startTool, &endTool);
 197
 198         if ( x >= startTool && x <= endTool )
 199         {
 200             // don't return the separators from here, they don't accept any
 201             // input anyhow
 202             return tool->IsSeparator() ? NULL : tool;
 203         }
 204     }
 205
 206     return NULL;
 207 }
 208
 209 void wxButtonToolBar::GetRectLimits(const wxRect& rect,
 210                               wxCoord *start,
 211                               wxCoord *end) const
 212 {
 213     wxCHECK_RET( start && end, wxT("NULL pointer in GetRectLimits") );
 214
 215     if ( IsVertical() )
 216     {
 217         *start = rect.GetTop();
 218         *end = rect.GetBottom();
 219     }
 220     else // horizontal
 221     {
 222         *start = rect.GetLeft();
 223         *end = rect.GetRight();
 224     }
 225 }
 226
 227
 228 void wxButtonToolBar::SetToolShortHelp(int id, const wxString& help)
 229 {
 230     wxToolBarToolBase *tool = FindById(id);
 231
 232     wxCHECK_RET( tool, wxT("SetToolShortHelp: no such tool") );
 233
 234     // TODO: set tooltip/short help
 235     tool->SetShortHelp(help);
 236 }
 237
 238 bool wxButtonToolBar::DoInsertTool(size_t WXUNUSED(pos),
 239                              wxToolBarToolBase * WXUNUSED(tool))
 240 {
 241     return true;
 242 }
 243
 244 bool wxButtonToolBar::DoDeleteTool(size_t WXUNUSED(pos),
 245                              wxToolBarToolBase * WXUNUSED(tool))
 246 {
 247     // TODO
 248     return true;
 249 }
 250
 251 void wxButtonToolBar::DoEnableTool(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(enable))
 252 {
 253     // TODO
 254 }
 255
 256 void wxButtonToolBar::DoToggleTool(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
 257 {
 258     // TODO
 259 }
 260
 261 void wxButtonToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
 262 {
 263     // TODO
 264 }
 265
 266 wxToolBarToolBase *wxButtonToolBar::CreateTool(int id,
 267                                          const wxString& label,
 268                                          const wxBitmap& bmpNormal,
 269                                          const wxBitmap& bmpDisabled,
 270                                          wxItemKind kind,
 271                                          wxObject *clientData,
 272                                          const wxString& shortHelp,
 273                                          const wxString& longHelp)
 274 {
 275     return new wxButtonToolBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
 276                              clientData, shortHelp, longHelp);
 277 }
 278
 279 wxToolBarToolBase *wxButtonToolBar::CreateTool(wxControl *control,
 280                                                const wxString& label)
 281 {
 282     return new wxButtonToolBarTool(this, control, label);
 283 }
 284
 285 // ----------------------------------------------------------------------------
 286 // wxButtonToolBar geometry
 287 // ----------------------------------------------------------------------------
 288
 289 wxRect wxButtonToolBar::GetToolRect(wxToolBarToolBase *toolBase) const
 290 {
 291     const wxButtonToolBarTool *tool = (wxButtonToolBarTool *)toolBase;
 292
 293     wxRect rect;
 294
 295     wxCHECK_MSG( tool, rect, wxT("GetToolRect: NULL tool") );
 296
 297     // ensure that we always have the valid tool position
 298     if ( m_needsLayout )
 299     {
 300         wxConstCast(this, wxButtonToolBar)->DoLayout();
 301     }
 302
 303     rect.x = tool->m_x - (m_toolPacking/2);
 304     rect.y = tool->m_y;
 305
 306     if ( IsVertical() )
 307     {
 308         if (tool->IsButton())
 309         {
 310             rect.width = m_defaultWidth;
 311             rect.height = m_defaultHeight;
 312             if (tool->GetButton())
 313                 rect.SetSize(wxSize(tool->m_width, tool->m_height));
 314         }
 315         else if (tool->IsSeparator())
 316         {
 317             rect.width = m_defaultWidth;
 318             rect.height = m_widthSeparator;
 319         }
 320         else // control
 321         {
 322             rect.width = tool->m_width;
 323             rect.height = tool->m_height;
 324         }
 325     }
 326     else // horizontal
 327     {
 328         if (tool->IsButton())
 329         {
 330             rect.width = m_defaultWidth;
 331             rect.height = m_defaultHeight;
 332             if (tool->GetButton())
 333                 rect.SetSize(wxSize(tool->m_width, tool->m_height));
 334         }
 335         else if (tool->IsSeparator())
 336         {
 337             rect.width = m_widthSeparator;
 338             rect.height = m_defaultHeight;
 339         }
 340         else // control
 341         {
 342             rect.width = tool->m_width;
 343             rect.height = tool->m_height;
 344         }
 345     }
 346
 347     rect.width += m_toolPacking;
 348
 349     return rect;
 350 }
 351
 352 bool wxButtonToolBar::Realize()
 353 {
 354     if ( !wxToolBarBase::Realize() )
 355         return false;
 356
 357     m_needsLayout = true;
 358     DoLayout();
 359
 360     SetInitialSize(wxSize(m_maxWidth, m_maxHeight));
 361
 362     return true;
 363 }
 364
 365 void wxButtonToolBar::DoLayout()
 366 {
 367     m_needsLayout = false;
 368
 369     wxCoord x = m_xMargin,
 370             y = m_yMargin;
 371
 372     int maxHeight = 0;
 373
 374     const wxCoord widthTool = IsVertical() ? m_defaultHeight : m_defaultWidth;
 375     wxCoord margin = IsVertical() ? m_xMargin : m_yMargin;
 376     wxCoord *pCur = IsVertical() ? &y : &x;
 377
 378     // calculate the positions of all elements
 379     for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 380           node;
 381           node = node->GetNext() )
 382     {
 383         wxButtonToolBarTool *tool = (wxButtonToolBarTool *) node->GetData();
 384
 385         tool->m_x = x;
 386         tool->m_y = y;
 387
 388         if (tool->IsButton())
 389         {
 390             if (!tool->GetButton())
 391             {
 392                 wxBitmapButton* bmpButton = new wxBitmapButton(this, tool->GetId(), tool->GetNormalBitmap(), wxPoint(tool->m_x, tool->m_y), wxDefaultSize,
 393                                                                wxBU_AUTODRAW|wxBORDER_NONE);
 394                 if (!tool->GetShortHelp().empty())
 395                     bmpButton->SetLabel(tool->GetShortHelp());
 396
 397                 tool->SetButton(bmpButton);
 398             }
 399             else
 400             {
 401                 tool->GetButton()->Move(wxPoint(tool->m_x, tool->m_y));
 402             }
 403
 404             int w = widthTool;
 405             if (tool->GetButton())
 406             {
 407                 wxSize sz = tool->GetButton()->GetSize();
 408                 w = sz.x;
 409
 410                 if (m_labelHeight > 0)
 411                 {
 412                     sz.y += (m_labelHeight + m_labelMargin);
 413
 414                     if (!tool->GetShortHelp().empty())
 415                     {
 416                         wxClientDC dc(this);
 417                         dc.SetFont(GetFont());
 418                         int tw, th;
 419                         dc.GetTextExtent(tool->GetShortHelp(), & tw, & th);
 420
 421                         // If the label is bigger than the icon, the label width
 422                         // becomes the new tool width, and we need to centre the
 423                         // the bitmap in this box.
 424                         if (tw > sz.x)
 425                         {
 426                             int newX = int(tool->m_x + (tw - sz.x)/2.0);
 427                             tool->GetButton()->Move(newX, tool->m_y);
 428                             sz.x = tw;
 429                         }
 430                     }
 431                 }
 432
 433                 maxHeight = wxMax(maxHeight, sz.y);
 434
 435                 tool->m_width = sz.x;
 436                 tool->m_height = sz.y;
 437                 w = sz.x;
 438             }
 439
 440             *pCur += (w + GetToolPacking());
 441         }
 442         else if (tool->IsSeparator())
 443         {
 444             *pCur += m_widthSeparator;
 445         }
 446         else if (!IsVertical()) // horizontal control
 447         {
 448             wxControl *control = tool->GetControl();
 449             wxSize size = control->GetSize();
 450             tool->m_y += (m_defaultHeight - size.y)/2;
 451             tool->m_width = size.x;
 452             tool->m_height = size.y;
 453
 454             *pCur += tool->m_width;
 455
 456             maxHeight = wxMax(maxHeight, size.y);
 457         }
 458         *pCur += margin;
 459     }
 460
 461     // calculate the total toolbar size
 462     m_maxWidth = x + 2*m_xMargin;
 463     m_maxHeight = maxHeight + 2*m_yMargin;
 464
 465     if ((GetWindowStyle() & wxTB_NODIVIDER) == 0)
 466         m_maxHeight += 2;
 467
 468 }
 469
 470 wxSize wxButtonToolBar::DoGetBestClientSize() const
 471 {
 472     return wxSize(m_maxWidth, m_maxHeight);
 473 }
 474
 475 // receives button commands
 476 void wxButtonToolBar::OnCommand(wxCommandEvent& event)
 477 {
 478     wxButtonToolBarTool* tool = (wxButtonToolBarTool*) FindById(event.GetId());
 479     if (!tool)
 480     {
 481         event.Skip();
 482         return;
 483     }
 484
 485     if (tool->CanBeToggled())
 486         tool->Toggle(tool->IsToggled());
 487
 488     // TODO: handle toggle items
 489     OnLeftClick(event.GetId(), false);
 490
 491     if (tool->GetKind() == wxITEM_RADIO)
 492         UnToggleRadioGroup(tool);
 493
 494     if (tool->CanBeToggled())
 495         Refresh();
 496 }
 497
 498 // paints a border
 499 void wxButtonToolBar::OnPaint(wxPaintEvent& WXUNUSED(event))
 500 {
 501     wxPaintDC dc(this);
 502
 503     dc.SetFont(GetFont());
 504     dc.SetBackgroundMode(wxTRANSPARENT);
 505
 506     for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 507           node;
 508           node = node->GetNext() )
 509     {
 510         wxButtonToolBarTool *tool =  (wxButtonToolBarTool*) node->GetData();
 511         wxRect rectTool = GetToolRect(tool);
 512         if (tool->IsToggled())
 513         {
 514             wxRect backgroundRect = rectTool;
 515             backgroundRect.y = -1; backgroundRect.height = GetClientSize().y + 1;
 516             wxBrush brush(wxColour(219, 219, 219));
 517             wxPen pen(wxColour(159, 159, 159));
 518             dc.SetBrush(brush);
 519             dc.SetPen(pen);
 520             dc.DrawRectangle(backgroundRect);
 521         }
 522
 523         if (m_labelHeight > 0 && !tool->GetShortHelp().empty())
 524         {
 525             int tw, th;
 526             dc.GetTextExtent(tool->GetShortHelp(), & tw, & th);
 527
 528             int x = tool->m_x;
 529             dc.DrawText(tool->GetShortHelp(), x, tool->m_y + tool->GetButton()->GetSize().y + m_labelMargin);
 530         }
 531     }
 532
 533     if ((GetWindowStyle() & wxTB_NODIVIDER) == 0)
 534     {
 535         wxPen pen(wxColour(159, 159, 159));
 536         dc.SetPen(pen);
 537         int x1 = 0;
 538         int y1 = GetClientSize().y-1;
 539         int x2 = GetClientSize().x;
 540         int y2 = y1;
 541         dc.DrawLine(x1, y1, x2, y2);
 542     }
 543 }
 544
 545 // detects mouse clicks outside buttons
 546 void wxButtonToolBar::OnLeftUp(wxMouseEvent& event)
 547 {
 548     if (m_labelHeight > 0)
 549     {
 550         wxButtonToolBarTool* tool = (wxButtonToolBarTool*) FindToolForPosition(event.GetX(), event.GetY());
 551         if (tool && tool->GetButton() && (event.GetY() > (tool->m_y + tool->GetButton()->GetSize().y)))
 552         {
 553             wxCommandEvent event(wxEVT_BUTTON, tool->GetId());
 554             event.SetEventObject(tool->GetButton());
 555             if (!GetEventHandler()->ProcessEvent(event))
 556                 event.Skip();
 557         }
 558     }
 559 }
 560
 561 #endif // wxUSE_TOOLBAR && wxUSE_BMPBUTTON