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