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
  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/slider.h"
  35     #include "wx/sizer.h"
  36 #endif
  37
  38 #if wxUSE_STATLINE
  39     #include "wx/statline.h"
  40 #endif
  41
  42 #include "wx/generic/colrdlgg.h"
  43
  44 IMPLEMENT_DYNAMIC_CLASS(wxGenericColourDialog, wxDialog)
  45
  46 BEGIN_EVENT_TABLE(wxGenericColourDialog, wxDialog)
  47     EVT_BUTTON(wxID_ADD_CUSTOM, wxGenericColourDialog::OnAddCustom)
  48     EVT_SLIDER(wxID_RED_SLIDER, wxGenericColourDialog::OnRedSlider)
  49     EVT_SLIDER(wxID_GREEN_SLIDER, wxGenericColourDialog::OnGreenSlider)
  50     EVT_SLIDER(wxID_BLUE_SLIDER, wxGenericColourDialog::OnBlueSlider)
  51     EVT_PAINT(wxGenericColourDialog::OnPaint)
  52     EVT_MOUSE_EVENTS(wxGenericColourDialog::OnMouseEvent)
  53     EVT_CLOSE(wxGenericColourDialog::OnCloseWindow)
  54 END_EVENT_TABLE()
  55
  56
  57 /*
  58  * Generic wxColourDialog
  59  */
  60
  61 // don't change the number of elements (48) in this array, the code below is
  62 // hardcoded to use it
  63 static const wxChar *wxColourDialogNames[] =
  64 {
  65     wxT("ORANGE"),
  66     wxT("GOLDENROD"),
  67     wxT("WHEAT"),
  68     wxT("SPRING GREEN"),
  69     wxT("SKY BLUE"),
  70     wxT("SLATE BLUE"),
  71     wxT("MEDIUM VIOLET RED"),
  72     wxT("PURPLE"),
  73
  74     wxT("RED"),
  75     wxT("YELLOW"),
  76     wxT("MEDIUM SPRING GREEN"),
  77     wxT("PALE GREEN"),
  78     wxT("CYAN"),
  79     wxT("LIGHT STEEL BLUE"),
  80     wxT("ORCHID"),
  81     wxT("LIGHT MAGENTA"),
  82
  83     wxT("BROWN"),
  84     wxT("YELLOW"),
  85     wxT("GREEN"),
  86     wxT("CADET BLUE"),
  87     wxT("MEDIUM BLUE"),
  88     wxT("MAGENTA"),
  89     wxT("MAROON"),
  90     wxT("ORANGE RED"),
  91
  92     wxT("FIREBRICK"),
  93     wxT("CORAL"),
  94     wxT("FOREST GREEN"),
  95     wxT("AQUAMARINE"),
  96     wxT("BLUE"),
  97     wxT("NAVY"),
  98     wxT("THISTLE"),
  99     wxT("MEDIUM VIOLET RED"),
 100
 101     wxT("INDIAN RED"),
 102     wxT("GOLD"),
 103     wxT("MEDIUM SEA GREEN"),
 104     wxT("MEDIUM BLUE"),
 105     wxT("MIDNIGHT BLUE"),
 106     wxT("GREY"),
 107     wxT("PURPLE"),
 108     wxT("KHAKI"),
 109
 110     wxT("BLACK"),
 111     wxT("MEDIUM FOREST GREEN"),
 112     wxT("KHAKI"),
 113     wxT("DARK GREY"),
 114     wxT("SEA GREEN"),
 115     wxT("LIGHT GREY"),
 116     wxT("MEDIUM SLATE BLUE"),
 117     wxT("WHITE")
 118 };
 119
 120 wxGenericColourDialog::wxGenericColourDialog()
 121 {
 122   dialogParent = NULL;
 123   whichKind = 1;
 124   colourSelection = -1;
 125 }
 126
 127 wxGenericColourDialog::wxGenericColourDialog(wxWindow *parent,
 128                                              wxColourData *data)
 129 {
 130   whichKind = 1;
 131   colourSelection = -1;
 132   Create(parent, data);
 133 }
 134
 135 wxGenericColourDialog::~wxGenericColourDialog()
 136 {
 137 }
 138
 139 void wxGenericColourDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 140 {
 141   EndModal(wxID_CANCEL);
 142 }
 143
 144 bool wxGenericColourDialog::Create(wxWindow *parent, wxColourData *data)
 145 {
 146     if ( !wxDialog::Create(parent, -1, wxT("Colour"),
 147                            wxPoint(0, 0), wxSize(900, 900),
 148                            wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL) )
 149         return FALSE;
 150
 151     dialogParent = parent;
 152
 153     if (data)
 154         colourData = *data;
 155
 156     InitializeColours();
 157     CalculateMeasurements();
 158     CreateWidgets();
 159
 160     return TRUE;
 161 }
 162
 163 int wxGenericColourDialog::ShowModal()
 164 {
 165   return wxDialog::ShowModal();
 166 }
 167
 168
 169 // Internal functions
 170 void wxGenericColourDialog::OnMouseEvent(wxMouseEvent& event)
 171 {
 172   if (event.ButtonDown(1))
 173   {
 174     int x = (int)event.GetX();
 175     int y = (int)event.GetY();
 176
 177 #ifdef __WXPM__
 178     // Handle OS/2's reverse coordinate system and account for the dialog title
 179     int                             nClientHeight;
 180
 181     GetClientSize(NULL, &nClientHeight);
 182     y = (nClientHeight - y) + 20;
 183 #endif
 184     if ((x >= standardColoursRect.x && x <= (standardColoursRect.x + standardColoursRect.width)) &&
 185         (y >= standardColoursRect.y && y <= (standardColoursRect.y + standardColoursRect.height)))
 186     {
 187       int selX = (int)(x - standardColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 188       int selY = (int)(y - standardColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 189       int ptr = (int)(selX + selY*8);
 190       OnBasicColourClick(ptr);
 191     }
 192     else if ((x >= customColoursRect.x && x <= (customColoursRect.x + customColoursRect.width)) &&
 193         (y >= customColoursRect.y && y <= (customColoursRect.y + customColoursRect.height)))
 194     {
 195       int selX = (int)(x - customColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 196       int selY = (int)(y - customColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 197       int ptr = (int)(selX + selY*8);
 198       OnCustomColourClick(ptr);
 199     }
 200     else
 201         event.Skip();
 202   }
 203   else
 204       event.Skip();
 205 }
 206
 207 void wxGenericColourDialog::OnPaint(wxPaintEvent& event)
 208 {
 209 #if !defined(__WXMOTIF__) && !defined(__WXMAC__) && !defined(__WXPM__) && !defined(__WXCOCOA__)
 210   wxDialog::OnPaint(event);
 211 #endif
 212
 213   wxPaintDC dc(this);
 214
 215   PaintBasicColours(dc);
 216   PaintCustomColours(dc);
 217   PaintCustomColour(dc);
 218   PaintHighlight(dc, TRUE);
 219 }
 220
 221 void wxGenericColourDialog::CalculateMeasurements()
 222 {
 223   smallRectangleSize.x = 18;
 224   smallRectangleSize.y = 14;
 225   customRectangleSize.x = 40;
 226   customRectangleSize.y = 40;
 227
 228   gridSpacing = 6;
 229   sectionSpacing = 15;
 230
 231   standardColoursRect.x = 10;
 232 #ifdef __WXPM__
 233   standardColoursRect.y = 15 + 20; /* OS/2 needs to account for dialog titlebar */
 234 #else
 235   standardColoursRect.y = 15;
 236 #endif
 237   standardColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 238   standardColoursRect.height = (6*smallRectangleSize.y) + (5*gridSpacing);
 239
 240   customColoursRect.x = standardColoursRect.x;
 241   customColoursRect.y = standardColoursRect.y + standardColoursRect.height  + 20;
 242   customColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 243   customColoursRect.height = (2*smallRectangleSize.y) + (1*gridSpacing);
 244
 245   singleCustomColourRect.x = customColoursRect.width + customColoursRect.x + sectionSpacing;
 246   singleCustomColourRect.y = 80;
 247   singleCustomColourRect.width = customRectangleSize.x;
 248   singleCustomColourRect.height = customRectangleSize.y;
 249
 250   okButtonX = 10;
 251   customButtonX = singleCustomColourRect.x ;
 252   buttonY = customColoursRect.y + customColoursRect.height + 10;
 253 }
 254
 255 void wxGenericColourDialog::CreateWidgets()
 256 {
 257     wxBeginBusyCursor();
 258
 259     int sliderX = singleCustomColourRect.x + singleCustomColourRect.width + sectionSpacing;
 260 #if defined(__WXMOTIF__)
 261     int sliderSpacing = 65;
 262     int sliderHeight = 160;
 263 #else
 264     int sliderSpacing = 45;
 265     int sliderHeight = 160;
 266 #endif
 267
 268     redSlider = new wxSlider(this, wxID_RED_SLIDER, singleCustomColour.Red(), 0, 255,
 269         wxPoint(sliderX, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 270     greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, singleCustomColour.Green(), 0, 255,
 271         wxPoint(sliderX + sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 272     blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, singleCustomColour.Blue(), 0, 255,
 273         wxPoint(sliderX + 2*sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 274
 275     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 276
 277     // 1) space for explicitly layouted controls
 278     topsizer->Add( sliderX + 3*sliderSpacing, sliderHeight+25 );
 279
 280 #if wxUSE_STATLINE
 281     // 2) static line
 282     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 283 #endif
 284
 285     // 3) buttons
 286     wxSizer *buttonsizer = CreateButtonSizer( wxOK|wxCANCEL );
 287     buttonsizer->Add( new wxButton(this, wxID_ADD_CUSTOM, _("Add to custom colours") ), 0, wxLEFT|wxRIGHT, 10 );
 288     topsizer->Add( buttonsizer, 0, wxCENTRE | wxALL, 10 );
 289
 290     SetAutoLayout( TRUE );
 291     SetSizer( topsizer );
 292
 293     topsizer->SetSizeHints( this );
 294     topsizer->Fit( this );
 295
 296     Centre( wxBOTH );
 297
 298     wxEndBusyCursor();
 299 }
 300
 301 void wxGenericColourDialog::InitializeColours(void)
 302 {
 303     size_t i;
 304
 305     for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 306     {
 307         wxColour *col = wxTheColourDatabase->FindColour(wxColourDialogNames[i]);
 308         if (col)
 309             standardColours[i].Set(col->Red(), col->Green(), col->Blue());
 310         else
 311             standardColours[i].Set(0, 0, 0);
 312     }
 313
 314     for (i = 0; i < 16; i++)
 315     {
 316         customColours[i] = colourData.GetCustomColour(i);
 317     }
 318
 319     wxColour curr = colourData.GetColour();
 320     if ( curr.Ok() )
 321     {
 322         bool initColourFound = FALSE;
 323
 324         for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 325         {
 326             if ( standardColours[i] == curr && !initColourFound )
 327             {
 328                 whichKind = 1;
 329                 colourSelection = i;
 330                 initColourFound = TRUE;
 331                 break;
 332             }
 333         }
 334         if ( !initColourFound )
 335         {
 336             for ( i = 0; i < 16; i++ )
 337             {
 338                 if ( customColours[i] == curr )
 339                 {
 340                     whichKind = 2;
 341                     colourSelection = i;
 342                     initColourFound = TRUE;
 343                     break;
 344                 }
 345             }
 346         }
 347         singleCustomColour.Set( curr.Red(), curr.Green(), curr.Blue() );
 348     }
 349     else
 350     {
 351         whichKind = 1;
 352         colourSelection = 0;
 353         singleCustomColour.Set( 0, 0, 0 );
 354     }
 355 }
 356
 357 void wxGenericColourDialog::PaintBasicColours(wxDC& dc)
 358 {
 359   dc.BeginDrawing();
 360
 361   int i;
 362   for (i = 0; i < 6; i++)
 363   {
 364     int j;
 365     for (j = 0; j < 8; j++)
 366     {
 367       int ptr = i*8 + j;
 368
 369       int x = (j*(smallRectangleSize.x+gridSpacing) + standardColoursRect.x);
 370       int y = (i*(smallRectangleSize.y+gridSpacing) + standardColoursRect.y);
 371
 372       dc.SetPen(*wxBLACK_PEN);
 373       wxBrush brush(standardColours[ptr], wxSOLID);
 374       dc.SetBrush(brush);
 375
 376       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 377     }
 378   }
 379   dc.EndDrawing();
 380 }
 381
 382 void wxGenericColourDialog::PaintCustomColours(wxDC& dc)
 383 {
 384   dc.BeginDrawing();
 385
 386   int i;
 387   for (i = 0; i < 2; i++)
 388   {
 389     int j;
 390     for (j = 0; j < 8; j++)
 391     {
 392       int ptr = i*8 + j;
 393
 394       int x = (j*(smallRectangleSize.x+gridSpacing)) + customColoursRect.x;
 395       int y = (i*(smallRectangleSize.y+gridSpacing)) + customColoursRect.y;
 396
 397       dc.SetPen(*wxBLACK_PEN);
 398
 399       wxBrush brush(customColours[ptr], wxSOLID);
 400       dc.SetBrush(brush);
 401
 402       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 403     }
 404   }
 405   dc.EndDrawing();
 406 }
 407
 408 void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
 409 {
 410   if ( colourSelection < 0 )
 411       return;
 412
 413   dc.BeginDrawing();
 414
 415   // Number of pixels bigger than the standard rectangle size
 416   // for drawing a highlight
 417   int deltaX = 2;
 418   int deltaY = 2;
 419
 420   if (whichKind == 1)
 421   {
 422     // Standard colours
 423     int y = (int)(colourSelection / 8);
 424     int x = (int)(colourSelection - (y*8));
 425
 426     x = (x*(smallRectangleSize.x + gridSpacing) + standardColoursRect.x) - deltaX;
 427     y = (y*(smallRectangleSize.y + gridSpacing) + standardColoursRect.y) - deltaY;
 428
 429     if (draw)
 430       dc.SetPen(*wxBLACK_PEN);
 431     else
 432       dc.SetPen(*wxLIGHT_GREY_PEN);
 433
 434     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 435     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 436   }
 437   else
 438   {
 439     // User-defined colours
 440     int y = (int)(colourSelection / 8);
 441     int x = (int)(colourSelection - (y*8));
 442
 443     x = (x*(smallRectangleSize.x + gridSpacing) + customColoursRect.x) - deltaX;
 444     y = (y*(smallRectangleSize.y + gridSpacing) + customColoursRect.y) - deltaY;
 445
 446     if (draw)
 447       dc.SetPen(*wxBLACK_PEN);
 448     else
 449       dc.SetPen(*wxLIGHT_GREY_PEN);
 450
 451     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 452     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 453   }
 454
 455   dc.EndDrawing();
 456 }
 457
 458 void wxGenericColourDialog::PaintCustomColour(wxDC& dc)
 459 {
 460   dc.BeginDrawing();
 461
 462   dc.SetPen(*wxBLACK_PEN);
 463
 464   wxBrush *brush = new wxBrush(singleCustomColour, wxSOLID);
 465   dc.SetBrush(*brush);
 466
 467   dc.DrawRectangle( singleCustomColourRect.x, singleCustomColourRect.y,
 468                     customRectangleSize.x, customRectangleSize.y);
 469
 470   dc.SetBrush(wxNullBrush);
 471   delete brush;
 472
 473   dc.EndDrawing();
 474 }
 475
 476 void wxGenericColourDialog::OnBasicColourClick(int which)
 477 {
 478   wxClientDC dc(this);
 479
 480   PaintHighlight(dc, FALSE);
 481   whichKind = 1;
 482   colourSelection = which;
 483   colourData.SetColour(standardColours[colourSelection]);
 484   redSlider->SetValue( standardColours[colourSelection].Red() );
 485     greenSlider->SetValue( standardColours[colourSelection].Green() );
 486     blueSlider->SetValue( standardColours[colourSelection].Blue() );
 487   singleCustomColour.Set(standardColours[colourSelection].Red(), standardColours[colourSelection].Green(), standardColours[colourSelection].Blue());
 488
 489   PaintCustomColour(dc);
 490     PaintHighlight(dc, TRUE);
 491 }
 492
 493 void wxGenericColourDialog::OnCustomColourClick(int which)
 494 {
 495   wxClientDC dc(this);
 496   PaintHighlight(dc, FALSE);
 497   whichKind = 2;
 498   colourSelection = which;
 499   colourData.SetColour(customColours[colourSelection]);
 500   redSlider->SetValue( customColours[colourSelection].Red() );
 501     greenSlider->SetValue( customColours[colourSelection].Green() );
 502     blueSlider->SetValue( customColours[colourSelection].Blue() );
 503   singleCustomColour.Set(customColours[colourSelection].Red(), customColours[colourSelection].Green(), customColours[colourSelection].Blue());
 504   PaintCustomColour(dc);
 505   PaintHighlight(dc, TRUE);
 506 }
 507
 508 /*
 509 void wxGenericColourDialog::OnOk(void)
 510 {
 511   Show(FALSE);
 512 }
 513
 514 void wxGenericColourDialog::OnCancel(void)
 515 {
 516   colourDialogCancelled = TRUE;
 517   Show(FALSE);
 518 }
 519 */
 520
 521 void wxGenericColourDialog::OnAddCustom(wxCommandEvent& WXUNUSED(event))
 522 {
 523   wxClientDC dc(this);
 524   if (whichKind != 2)
 525   {
 526     PaintHighlight(dc, FALSE);
 527     whichKind = 2;
 528     colourSelection = 0;
 529     PaintHighlight(dc, TRUE);
 530   }
 531
 532   customColours[colourSelection].Set(singleCustomColour.Red(), singleCustomColour.Green(), singleCustomColour.Blue());
 533   colourData.SetColour(customColours[colourSelection]);
 534   colourData.SetCustomColour(colourSelection, customColours[colourSelection]);
 535
 536   PaintCustomColours(dc);
 537 }
 538
 539 void wxGenericColourDialog::OnRedSlider(wxCommandEvent& WXUNUSED(event))
 540 {
 541   if (!redSlider)
 542     return;
 543
 544   wxClientDC dc(this);
 545   singleCustomColour.Set(redSlider->GetValue(), singleCustomColour.Green(), singleCustomColour.Blue());
 546   PaintCustomColour(dc);
 547 }
 548
 549 void wxGenericColourDialog::OnGreenSlider(wxCommandEvent& WXUNUSED(event))
 550 {
 551   if (!greenSlider)
 552     return;
 553
 554   wxClientDC dc(this);
 555   singleCustomColour.Set(singleCustomColour.Red(), greenSlider->GetValue(), singleCustomColour.Blue());
 556   PaintCustomColour(dc);
 557 }
 558
 559 void wxGenericColourDialog::OnBlueSlider(wxCommandEvent& WXUNUSED(event))
 560 {
 561   if (!blueSlider)
 562     return;
 563
 564   wxClientDC dc(this);
 565   singleCustomColour.Set(singleCustomColour.Red(), singleCustomColour.Green(), blueSlider->GetValue());
 566   PaintCustomColour(dc);
 567 }
 568
 569 #endif // wxUSE_COLOURDLG
 570