src/generic/colrdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/colrdlgg.cpp
   3 // Purpose:     Choice dialogs
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "colrdlgg.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 #if wxUSE_COLOURDLG && (!defined(__WXGTK20__) || defined(__WXUNIVERSAL__))
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/utils.h"
  27     #include "wx/intl.h"
  28     #include "wx/dialog.h"
  29     #include "wx/listbox.h"
  30     #include "wx/button.h"
  31     #include "wx/stattext.h"
  32     #include "wx/layout.h"
  33     #include "wx/dcclient.h"
  34     #include "wx/sizer.h"
  35 #endif
  36
  37 #if wxUSE_STATLINE
  38     #include "wx/statline.h"
  39 #endif
  40
  41 #if wxUSE_SLIDER
  42     #include "wx/slider.h"
  43 #endif
  44
  45 #include "wx/generic/colrdlgg.h"
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxGenericColourDialog, wxDialog)
  48
  49 BEGIN_EVENT_TABLE(wxGenericColourDialog, wxDialog)
  50     EVT_BUTTON(wxID_ADD_CUSTOM, wxGenericColourDialog::OnAddCustom)
  51 #if wxUSE_SLIDER
  52     EVT_SLIDER(wxID_RED_SLIDER, wxGenericColourDialog::OnRedSlider)
  53     EVT_SLIDER(wxID_GREEN_SLIDER, wxGenericColourDialog::OnGreenSlider)
  54     EVT_SLIDER(wxID_BLUE_SLIDER, wxGenericColourDialog::OnBlueSlider)
  55 #endif
  56     EVT_PAINT(wxGenericColourDialog::OnPaint)
  57     EVT_MOUSE_EVENTS(wxGenericColourDialog::OnMouseEvent)
  58     EVT_CLOSE(wxGenericColourDialog::OnCloseWindow)
  59 END_EVENT_TABLE()
  60
  61
  62 /*
  63  * Generic wxColourDialog
  64  */
  65
  66 // don't change the number of elements (48) in this array, the code below is
  67 // hardcoded to use it
  68 static const wxChar *wxColourDialogNames[] =
  69 {
  70     wxT("ORANGE"),
  71     wxT("GOLDENROD"),
  72     wxT("WHEAT"),
  73     wxT("SPRING GREEN"),
  74     wxT("SKY BLUE"),
  75     wxT("SLATE BLUE"),
  76     wxT("MEDIUM VIOLET RED"),
  77     wxT("PURPLE"),
  78
  79     wxT("RED"),
  80     wxT("YELLOW"),
  81     wxT("MEDIUM SPRING GREEN"),
  82     wxT("PALE GREEN"),
  83     wxT("CYAN"),
  84     wxT("LIGHT STEEL BLUE"),
  85     wxT("ORCHID"),
  86     wxT("LIGHT MAGENTA"),
  87
  88     wxT("BROWN"),
  89     wxT("YELLOW"),
  90     wxT("GREEN"),
  91     wxT("CADET BLUE"),
  92     wxT("MEDIUM BLUE"),
  93     wxT("MAGENTA"),
  94     wxT("MAROON"),
  95     wxT("ORANGE RED"),
  96
  97     wxT("FIREBRICK"),
  98     wxT("CORAL"),
  99     wxT("FOREST GREEN"),
 100     wxT("AQUAMARINE"),
 101     wxT("BLUE"),
 102     wxT("NAVY"),
 103     wxT("THISTLE"),
 104     wxT("MEDIUM VIOLET RED"),
 105
 106     wxT("INDIAN RED"),
 107     wxT("GOLD"),
 108     wxT("MEDIUM SEA GREEN"),
 109     wxT("MEDIUM BLUE"),
 110     wxT("MIDNIGHT BLUE"),
 111     wxT("GREY"),
 112     wxT("PURPLE"),
 113     wxT("KHAKI"),
 114
 115     wxT("BLACK"),
 116     wxT("MEDIUM FOREST GREEN"),
 117     wxT("KHAKI"),
 118     wxT("DARK GREY"),
 119     wxT("SEA GREEN"),
 120     wxT("LIGHT GREY"),
 121     wxT("MEDIUM SLATE BLUE"),
 122     wxT("WHITE")
 123 };
 124
 125 wxGenericColourDialog::wxGenericColourDialog()
 126 {
 127   dialogParent = NULL;
 128   whichKind = 1;
 129   colourSelection = -1;
 130 }
 131
 132 wxGenericColourDialog::wxGenericColourDialog(wxWindow *parent,
 133                                              wxColourData *data)
 134 {
 135   whichKind = 1;
 136   colourSelection = -1;
 137   Create(parent, data);
 138 }
 139
 140 wxGenericColourDialog::~wxGenericColourDialog()
 141 {
 142 }
 143
 144 void wxGenericColourDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 145 {
 146   EndModal(wxID_CANCEL);
 147 }
 148
 149 bool wxGenericColourDialog::Create(wxWindow *parent, wxColourData *data)
 150 {
 151     if ( !wxDialog::Create(parent, wxID_ANY, _("Choose colour"),
 152                            wxPoint(0,0), wxSize(900, 900)) )
 153         return false;
 154
 155     dialogParent = parent;
 156
 157     if (data)
 158         colourData = *data;
 159
 160     InitializeColours();
 161     CalculateMeasurements();
 162     CreateWidgets();
 163
 164     return true;
 165 }
 166
 167 int wxGenericColourDialog::ShowModal()
 168 {
 169   return wxDialog::ShowModal();
 170 }
 171
 172
 173 // Internal functions
 174 void wxGenericColourDialog::OnMouseEvent(wxMouseEvent& event)
 175 {
 176   if (event.ButtonDown(1))
 177   {
 178     int x = (int)event.GetX();
 179     int y = (int)event.GetY();
 180
 181 #ifdef __WXPM__
 182     // Handle OS/2's reverse coordinate system and account for the dialog title
 183     int                             nClientHeight;
 184
 185     GetClientSize(NULL, &nClientHeight);
 186     y = (nClientHeight - y) + 20;
 187 #endif
 188     if ((x >= standardColoursRect.x && x <= (standardColoursRect.x + standardColoursRect.width)) &&
 189         (y >= standardColoursRect.y && y <= (standardColoursRect.y + standardColoursRect.height)))
 190     {
 191       int selX = (int)(x - standardColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 192       int selY = (int)(y - standardColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 193       int ptr = (int)(selX + selY*8);
 194       OnBasicColourClick(ptr);
 195     }
 196     else if ((x >= customColoursRect.x && x <= (customColoursRect.x + customColoursRect.width)) &&
 197         (y >= customColoursRect.y && y <= (customColoursRect.y + customColoursRect.height)))
 198     {
 199       int selX = (int)(x - customColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 200       int selY = (int)(y - customColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 201       int ptr = (int)(selX + selY*8);
 202       OnCustomColourClick(ptr);
 203     }
 204     else
 205         event.Skip();
 206   }
 207   else
 208       event.Skip();
 209 }
 210
 211 void wxGenericColourDialog::OnPaint(wxPaintEvent& event)
 212 {
 213 #if !defined(__WXMOTIF__) && !defined(__WXPM__) && !defined(__WXCOCOA__)
 214   wxDialog::OnPaint(event);
 215 #endif
 216
 217   wxPaintDC dc(this);
 218
 219   PaintBasicColours(dc);
 220   PaintCustomColours(dc);
 221   PaintCustomColour(dc);
 222   PaintHighlight(dc, true);
 223 }
 224
 225 void wxGenericColourDialog::CalculateMeasurements()
 226 {
 227   smallRectangleSize.x = 18;
 228   smallRectangleSize.y = 14;
 229   customRectangleSize.x = 40;
 230   customRectangleSize.y = 40;
 231
 232   gridSpacing = 6;
 233   sectionSpacing = 15;
 234
 235   standardColoursRect.x = 10;
 236 #ifdef __WXPM__
 237   standardColoursRect.y = 15 + 20; /* OS/2 needs to account for dialog titlebar */
 238 #else
 239   standardColoursRect.y = 15;
 240 #endif
 241   standardColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 242   standardColoursRect.height = (6*smallRectangleSize.y) + (5*gridSpacing);
 243
 244   customColoursRect.x = standardColoursRect.x;
 245   customColoursRect.y = standardColoursRect.y + standardColoursRect.height  + 20;
 246   customColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 247   customColoursRect.height = (2*smallRectangleSize.y) + (1*gridSpacing);
 248
 249   singleCustomColourRect.x = customColoursRect.width + customColoursRect.x + sectionSpacing;
 250   singleCustomColourRect.y = 80;
 251   singleCustomColourRect.width = customRectangleSize.x;
 252   singleCustomColourRect.height = customRectangleSize.y;
 253
 254   okButtonX = 10;
 255   customButtonX = singleCustomColourRect.x ;
 256   buttonY = customColoursRect.y + customColoursRect.height + 10;
 257 }
 258
 259 void wxGenericColourDialog::CreateWidgets()
 260 {
 261     wxBeginBusyCursor();
 262
 263     wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
 264
 265     const int sliderHeight = 160;
 266
 267 #if wxUSE_SLIDER
 268     const int sliderX = singleCustomColourRect.x + singleCustomColourRect.width + sectionSpacing;
 269
 270     redSlider = new wxSlider(this, wxID_RED_SLIDER, colourData.m_dataColour.Red(), 0, 255,
 271         wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
 272     greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, colourData.m_dataColour.Green(), 0, 255,
 273         wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
 274     blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, colourData.m_dataColour.Blue(), 0, 255,
 275         wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
 276
 277     wxBoxSizer *sliderSizer = new wxBoxSizer( wxHORIZONTAL );
 278
 279     // 1) space for sliders
 280     sliderSizer->Add( sliderX, sliderHeight );
 281     sliderSizer->Add( redSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
 282     sliderSizer->Add( greenSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
 283     sliderSizer->Add( blueSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
 284
 285     topSizer->Add( sliderSizer, 0, wxCENTRE | wxALL, 10 );
 286 #else
 287     topSizer->Add( 1, sliderHeight, 0, wxCENTRE | wxALL, 15 );
 288 #endif // wxUSE_SLIDER
 289
 290 #if wxUSE_STATLINE
 291     // 2) static line
 292     topSizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 293 #endif
 294
 295     // 3) buttons
 296     wxSizer *buttonsizer = CreateButtonSizer( wxOK|wxCANCEL );
 297     buttonsizer->Add( new wxButton(this, wxID_ADD_CUSTOM, _("Add to custom colours") ), 0, wxLEFT|wxRIGHT, 10 );
 298     topSizer->Add( buttonsizer, 0, wxEXPAND | wxALL, 10 );
 299
 300     SetAutoLayout( true );
 301     SetSizer( topSizer );
 302
 303     topSizer->SetSizeHints( this );
 304     topSizer->Fit( this );
 305
 306     Centre( wxBOTH );
 307
 308     wxEndBusyCursor();
 309 }
 310
 311 void wxGenericColourDialog::InitializeColours(void)
 312 {
 313     size_t i;
 314
 315     for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 316     {
 317         wxColour col = wxTheColourDatabase->Find(wxColourDialogNames[i]);
 318         if (col.Ok())
 319             standardColours[i].Set(col.Red(), col.Green(), col.Blue());
 320         else
 321             standardColours[i].Set(0, 0, 0);
 322     }
 323
 324     for (i = 0; i < WXSIZEOF(customColours); i++)
 325     {
 326         wxColour c = colourData.GetCustomColour(i);
 327         if (c.Ok())
 328             customColours[i] = colourData.GetCustomColour(i);
 329         else
 330             customColours[i] = wxColour(255, 255, 255);
 331     }
 332
 333     wxColour curr = colourData.GetColour();
 334     if ( curr.Ok() )
 335     {
 336         bool initColourFound = false;
 337
 338         for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 339         {
 340             if ( standardColours[i] == curr && !initColourFound )
 341             {
 342                 whichKind = 1;
 343                 colourSelection = i;
 344                 initColourFound = true;
 345                 break;
 346             }
 347         }
 348         if ( !initColourFound )
 349         {
 350             for ( i = 0; i < WXSIZEOF(customColours); i++ )
 351             {
 352                 if ( customColours[i] == curr )
 353                 {
 354                     whichKind = 2;
 355                     colourSelection = i;
 356                     break;
 357                 }
 358             }
 359         }
 360         colourData.m_dataColour.Set( curr.Red(), curr.Green(), curr.Blue() );
 361     }
 362     else
 363     {
 364         whichKind = 1;
 365         colourSelection = 0;
 366         colourData.m_dataColour.Set( 0, 0, 0 );
 367     }
 368 }
 369
 370 void wxGenericColourDialog::PaintBasicColours(wxDC& dc)
 371 {
 372   dc.BeginDrawing();
 373
 374   int i;
 375   for (i = 0; i < 6; i++)
 376   {
 377     int j;
 378     for (j = 0; j < 8; j++)
 379     {
 380       int ptr = i*8 + j;
 381
 382       int x = (j*(smallRectangleSize.x+gridSpacing) + standardColoursRect.x);
 383       int y = (i*(smallRectangleSize.y+gridSpacing) + standardColoursRect.y);
 384
 385       dc.SetPen(*wxBLACK_PEN);
 386       wxBrush brush(standardColours[ptr], wxSOLID);
 387       dc.SetBrush(brush);
 388
 389       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 390     }
 391   }
 392   dc.EndDrawing();
 393 }
 394
 395 void wxGenericColourDialog::PaintCustomColours(wxDC& dc)
 396 {
 397   dc.BeginDrawing();
 398
 399   int i;
 400   for (i = 0; i < 2; i++)
 401   {
 402     int j;
 403     for (j = 0; j < 8; j++)
 404     {
 405       int ptr = i*8 + j;
 406
 407       int x = (j*(smallRectangleSize.x+gridSpacing)) + customColoursRect.x;
 408       int y = (i*(smallRectangleSize.y+gridSpacing)) + customColoursRect.y;
 409
 410       dc.SetPen(*wxBLACK_PEN);
 411
 412       wxBrush brush(customColours[ptr], wxSOLID);
 413       dc.SetBrush(brush);
 414
 415       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 416     }
 417   }
 418   dc.EndDrawing();
 419 }
 420
 421 void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
 422 {
 423   if ( colourSelection < 0 )
 424       return;
 425
 426   dc.BeginDrawing();
 427
 428   // Number of pixels bigger than the standard rectangle size
 429   // for drawing a highlight
 430   int deltaX = 2;
 431   int deltaY = 2;
 432
 433   if (whichKind == 1)
 434   {
 435     // Standard colours
 436     int y = (int)(colourSelection / 8);
 437     int x = (int)(colourSelection - (y*8));
 438
 439     x = (x*(smallRectangleSize.x + gridSpacing) + standardColoursRect.x) - deltaX;
 440     y = (y*(smallRectangleSize.y + gridSpacing) + standardColoursRect.y) - deltaY;
 441
 442     if (draw)
 443       dc.SetPen(*wxBLACK_PEN);
 444     else
 445       dc.SetPen(*wxLIGHT_GREY_PEN);
 446
 447     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 448     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 449   }
 450   else
 451   {
 452     // User-defined colours
 453     int y = (int)(colourSelection / 8);
 454     int x = (int)(colourSelection - (y*8));
 455
 456     x = (x*(smallRectangleSize.x + gridSpacing) + customColoursRect.x) - deltaX;
 457     y = (y*(smallRectangleSize.y + gridSpacing) + customColoursRect.y) - deltaY;
 458
 459     if (draw)
 460       dc.SetPen(*wxBLACK_PEN);
 461     else
 462       dc.SetPen(*wxLIGHT_GREY_PEN);
 463
 464     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 465     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 466   }
 467
 468   dc.EndDrawing();
 469 }
 470
 471 void wxGenericColourDialog::PaintCustomColour(wxDC& dc)
 472 {
 473   dc.BeginDrawing();
 474
 475   dc.SetPen(*wxBLACK_PEN);
 476
 477   wxBrush *brush = new wxBrush(colourData.m_dataColour, wxSOLID);
 478   dc.SetBrush(*brush);
 479
 480   dc.DrawRectangle( singleCustomColourRect.x, singleCustomColourRect.y,
 481                     customRectangleSize.x, customRectangleSize.y);
 482
 483   dc.SetBrush(wxNullBrush);
 484   delete brush;
 485
 486   dc.EndDrawing();
 487 }
 488
 489 void wxGenericColourDialog::OnBasicColourClick(int which)
 490 {
 491     wxClientDC dc(this);
 492
 493     PaintHighlight(dc, false);
 494     whichKind = 1;
 495     colourSelection = which;
 496
 497 #if wxUSE_SLIDER
 498     redSlider->SetValue( standardColours[colourSelection].Red() );
 499     greenSlider->SetValue( standardColours[colourSelection].Green() );
 500     blueSlider->SetValue( standardColours[colourSelection].Blue() );
 501 #endif // wxUSE_SLIDER
 502
 503     colourData.m_dataColour.Set(standardColours[colourSelection].Red(),
 504                                 standardColours[colourSelection].Green(),
 505                                 standardColours[colourSelection].Blue());
 506
 507     PaintCustomColour(dc);
 508     PaintHighlight(dc, true);
 509 }
 510
 511 void wxGenericColourDialog::OnCustomColourClick(int which)
 512 {
 513     wxClientDC dc(this);
 514     PaintHighlight(dc, false);
 515     whichKind = 2;
 516     colourSelection = which;
 517
 518 #if wxUSE_SLIDER
 519     redSlider->SetValue( customColours[colourSelection].Red() );
 520     greenSlider->SetValue( customColours[colourSelection].Green() );
 521     blueSlider->SetValue( customColours[colourSelection].Blue() );
 522 #endif // wxUSE_SLIDER
 523
 524     colourData.m_dataColour.Set(customColours[colourSelection].Red(),
 525                                 customColours[colourSelection].Green(),
 526                                 customColours[colourSelection].Blue());
 527
 528     PaintCustomColour(dc);
 529     PaintHighlight(dc, true);
 530 }
 531
 532 /*
 533 void wxGenericColourDialog::OnOk(void)
 534 {
 535   Show(false);
 536 }
 537
 538 void wxGenericColourDialog::OnCancel(void)
 539 {
 540   colourDialogCancelled = true;
 541   Show(false);
 542 }
 543 */
 544
 545 void wxGenericColourDialog::OnAddCustom(wxCommandEvent& WXUNUSED(event))
 546 {
 547   wxClientDC dc(this);
 548   if (whichKind != 2)
 549   {
 550     PaintHighlight(dc, false);
 551     whichKind = 2;
 552     colourSelection = 0;
 553     PaintHighlight(dc, true);
 554   }
 555
 556   customColours[colourSelection].Set(colourData.m_dataColour.Red(),
 557                                      colourData.m_dataColour.Green(),
 558                                      colourData.m_dataColour.Blue());
 559
 560   colourData.SetCustomColour(colourSelection, customColours[colourSelection]);
 561
 562   PaintCustomColours(dc);
 563 }
 564
 565 #if wxUSE_SLIDER
 566
 567 void wxGenericColourDialog::OnRedSlider(wxCommandEvent& WXUNUSED(event))
 568 {
 569   if (!redSlider)
 570     return;
 571
 572   wxClientDC dc(this);
 573   colourData.m_dataColour.Set((unsigned char)redSlider->GetValue(), colourData.m_dataColour.Green(), colourData.m_dataColour.Blue());
 574   PaintCustomColour(dc);
 575 }
 576
 577 void wxGenericColourDialog::OnGreenSlider(wxCommandEvent& WXUNUSED(event))
 578 {
 579   if (!greenSlider)
 580     return;
 581
 582   wxClientDC dc(this);
 583   colourData.m_dataColour.Set(colourData.m_dataColour.Red(), (unsigned char)greenSlider->GetValue(), colourData.m_dataColour.Blue());
 584   PaintCustomColour(dc);
 585 }
 586
 587 void wxGenericColourDialog::OnBlueSlider(wxCommandEvent& WXUNUSED(event))
 588 {
 589   if (!blueSlider)
 590     return;
 591
 592   wxClientDC dc(this);
 593   colourData.m_dataColour.Set(colourData.m_dataColour.Red(), colourData.m_dataColour.Green(), (unsigned char)blueSlider->GetValue());
 594   PaintCustomColour(dc);
 595 }
 596
 597 #endif // wxUSE_SLIDER
 598
 599 #endif // wxUSE_COLOURDLG && !defined(__WXGTK20__)
 600