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 and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  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     if ((x >= standardColoursRect.x && x <= (standardColoursRect.x + standardColoursRect.width)) &&
 178         (y >= standardColoursRect.y && y <= (standardColoursRect.y + standardColoursRect.height)))
 179     {
 180       int selX = (int)(x - standardColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 181       int selY = (int)(y - standardColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 182       int ptr = (int)(selX + selY*8);
 183       OnBasicColourClick(ptr);
 184     }
 185     else if ((x >= customColoursRect.x && x <= (customColoursRect.x + customColoursRect.width)) &&
 186         (y >= customColoursRect.y && y <= (customColoursRect.y + customColoursRect.height)))
 187     {
 188       int selX = (int)(x - customColoursRect.x)/(smallRectangleSize.x + gridSpacing);
 189       int selY = (int)(y - customColoursRect.y)/(smallRectangleSize.y + gridSpacing);
 190       int ptr = (int)(selX + selY*8);
 191       OnCustomColourClick(ptr);
 192     }
 193     else
 194         event.Skip();
 195   }
 196   else
 197       event.Skip();
 198 }
 199
 200 void wxGenericColourDialog::OnPaint(wxPaintEvent& event)
 201 {
 202 #if !defined(__WXMOTIF__) && !defined(__WXMAC__) && !defined(__WXPM__)
 203   wxDialog::OnPaint(event);
 204 #endif
 205
 206   wxPaintDC dc(this);
 207
 208   PaintBasicColours(dc);
 209   PaintCustomColours(dc);
 210   PaintCustomColour(dc);
 211   PaintHighlight(dc, TRUE);
 212 }
 213
 214 void wxGenericColourDialog::CalculateMeasurements()
 215 {
 216   smallRectangleSize.x = 18;
 217   smallRectangleSize.y = 14;
 218   customRectangleSize.x = 40;
 219   customRectangleSize.y = 40;
 220
 221   gridSpacing = 6;
 222   sectionSpacing = 15;
 223
 224   standardColoursRect.x = 10;
 225   standardColoursRect.y = 15;
 226   standardColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 227   standardColoursRect.height = (6*smallRectangleSize.y) + (5*gridSpacing);
 228
 229   customColoursRect.x = standardColoursRect.x;
 230   customColoursRect.y = standardColoursRect.y + standardColoursRect.height  + 20;
 231   customColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
 232   customColoursRect.height = (2*smallRectangleSize.y) + (1*gridSpacing);
 233
 234   singleCustomColourRect.x = customColoursRect.width + customColoursRect.x + sectionSpacing;
 235   singleCustomColourRect.y = 80;
 236   singleCustomColourRect.width = customRectangleSize.x;
 237   singleCustomColourRect.height = customRectangleSize.y;
 238
 239   okButtonX = 10;
 240   customButtonX = singleCustomColourRect.x ;
 241   buttonY = customColoursRect.y + customColoursRect.height + 10;
 242 }
 243
 244 void wxGenericColourDialog::CreateWidgets()
 245 {
 246     wxBeginBusyCursor();
 247
 248     int sliderX = singleCustomColourRect.x + singleCustomColourRect.width + sectionSpacing;
 249 #if defined(__WXMOTIF__)
 250     int sliderSpacing = 65;
 251     int sliderHeight = 160;
 252 #else
 253     int sliderSpacing = 45;
 254     int sliderHeight = 160;
 255 #endif
 256
 257     redSlider = new wxSlider(this, wxID_RED_SLIDER, singleCustomColour.Red(), 0, 255,
 258         wxPoint(sliderX, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 259     greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, singleCustomColour.Green(), 0, 255,
 260         wxPoint(sliderX + sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 261     blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, singleCustomColour.Blue(), 0, 255,
 262         wxPoint(sliderX + 2*sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
 263
 264     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 265
 266     // 1) space for explicitly layouted controls
 267     topsizer->Add( sliderX + 3*sliderSpacing, sliderHeight+25 );
 268
 269 #if wxUSE_STATLINE
 270     // 2) static line
 271     topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
 272 #endif
 273
 274     // 3) buttons
 275     wxSizer *buttonsizer = CreateButtonSizer( wxOK|wxCANCEL );
 276     buttonsizer->Add( new wxButton(this, wxID_ADD_CUSTOM, _("Add to custom colours") ), 0, wxLEFT|wxRIGHT, 10 );
 277     topsizer->Add( buttonsizer, 0, wxCENTRE | wxALL, 10 );
 278
 279     SetAutoLayout( TRUE );
 280     SetSizer( topsizer );
 281
 282     topsizer->SetSizeHints( this );
 283     topsizer->Fit( this );
 284
 285     Centre( wxBOTH );
 286
 287     wxEndBusyCursor();
 288 }
 289
 290 void wxGenericColourDialog::InitializeColours(void)
 291 {
 292     size_t i;
 293
 294     for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 295     {
 296         wxColour *col = wxTheColourDatabase->FindColour(wxColourDialogNames[i]);
 297         if (col)
 298             standardColours[i].Set(col->Red(), col->Green(), col->Blue());
 299         else
 300             standardColours[i].Set(0, 0, 0);
 301     }
 302
 303     for (i = 0; i < 16; i++)
 304     {
 305         customColours[i] = colourData.GetCustomColour(i);
 306     }
 307
 308     wxColour curr = colourData.GetColour();
 309     if ( curr.Ok() )
 310     {
 311         bool initColourFound = FALSE;
 312
 313         for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
 314         {
 315             if ( standardColours[i] == curr && !initColourFound )
 316             {
 317                 whichKind = 1;
 318                 colourSelection = i;
 319                 initColourFound = TRUE;
 320                 break;
 321             }
 322         }
 323         if ( !initColourFound )
 324         {
 325             for ( i = 0; i < 16; i++ )
 326             {
 327                 if ( customColours[i] == curr )
 328                 {
 329                     whichKind = 2;
 330                     colourSelection = i;
 331                     initColourFound = TRUE;
 332                     break;
 333                 }
 334             }
 335         }
 336         singleCustomColour.Set( curr.Red(), curr.Green(), curr.Blue() );
 337     }
 338     else
 339     {
 340         whichKind = 1;
 341         colourSelection = 0;
 342         singleCustomColour.Set( 0, 0, 0 );
 343     }
 344 }
 345
 346 void wxGenericColourDialog::PaintBasicColours(wxDC& dc)
 347 {
 348   dc.BeginDrawing();
 349
 350   int i;
 351   for (i = 0; i < 6; i++)
 352   {
 353     int j;
 354     for (j = 0; j < 8; j++)
 355     {
 356       int ptr = i*8 + j;
 357
 358       int x = (j*(smallRectangleSize.x+gridSpacing) + standardColoursRect.x);
 359       int y = (i*(smallRectangleSize.y+gridSpacing) + standardColoursRect.y);
 360
 361       dc.SetPen(*wxBLACK_PEN);
 362       wxBrush brush(standardColours[ptr], wxSOLID);
 363       dc.SetBrush(brush);
 364
 365       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 366     }
 367   }
 368   dc.EndDrawing();
 369 }
 370
 371 void wxGenericColourDialog::PaintCustomColours(wxDC& dc)
 372 {
 373   dc.BeginDrawing();
 374
 375   int i;
 376   for (i = 0; i < 2; i++)
 377   {
 378     int j;
 379     for (j = 0; j < 8; j++)
 380     {
 381       int ptr = i*8 + j;
 382
 383       int x = (j*(smallRectangleSize.x+gridSpacing)) + customColoursRect.x;
 384       int y = (i*(smallRectangleSize.y+gridSpacing)) + customColoursRect.y;
 385
 386       dc.SetPen(*wxBLACK_PEN);
 387
 388       wxBrush brush(customColours[ptr], wxSOLID);
 389       dc.SetBrush(brush);
 390
 391       dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
 392     }
 393   }
 394   dc.EndDrawing();
 395 }
 396
 397 void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
 398 {
 399   if ( colourSelection < 0 )
 400       return;
 401
 402   dc.BeginDrawing();
 403
 404   // Number of pixels bigger than the standard rectangle size
 405   // for drawing a highlight
 406   int deltaX = 2;
 407   int deltaY = 2;
 408
 409   if (whichKind == 1)
 410   {
 411     // Standard colours
 412     int y = (int)(colourSelection / 8);
 413     int x = (int)(colourSelection - (y*8));
 414
 415     x = (x*(smallRectangleSize.x + gridSpacing) + standardColoursRect.x) - deltaX;
 416     y = (y*(smallRectangleSize.y + gridSpacing) + standardColoursRect.y) - deltaY;
 417
 418     if (draw)
 419       dc.SetPen(*wxBLACK_PEN);
 420     else
 421       dc.SetPen(*wxLIGHT_GREY_PEN);
 422
 423     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 424     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 425   }
 426   else
 427   {
 428     // User-defined colours
 429     int y = (int)(colourSelection / 8);
 430     int x = (int)(colourSelection - (y*8));
 431
 432     x = (x*(smallRectangleSize.x + gridSpacing) + customColoursRect.x) - deltaX;
 433     y = (y*(smallRectangleSize.y + gridSpacing) + customColoursRect.y) - deltaY;
 434
 435     if (draw)
 436       dc.SetPen(*wxBLACK_PEN);
 437     else
 438       dc.SetPen(*wxLIGHT_GREY_PEN);
 439
 440     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 441     dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
 442   }
 443
 444   dc.EndDrawing();
 445 }
 446
 447 void wxGenericColourDialog::PaintCustomColour(wxDC& dc)
 448 {
 449   dc.BeginDrawing();
 450
 451   dc.SetPen(*wxBLACK_PEN);
 452
 453   wxBrush *brush = new wxBrush(singleCustomColour, wxSOLID);
 454   dc.SetBrush(*brush);
 455
 456   dc.DrawRectangle( singleCustomColourRect.x, singleCustomColourRect.y,
 457                     customRectangleSize.x, customRectangleSize.y);
 458
 459   dc.SetBrush(wxNullBrush);
 460   delete brush;
 461
 462   dc.EndDrawing();
 463 }
 464
 465 void wxGenericColourDialog::OnBasicColourClick(int which)
 466 {
 467   wxClientDC dc(this);
 468
 469   PaintHighlight(dc, FALSE);
 470   whichKind = 1;
 471   colourSelection = which;
 472   colourData.SetColour(standardColours[colourSelection]);
 473   redSlider->SetValue( standardColours[colourSelection].Red() );
 474     greenSlider->SetValue( standardColours[colourSelection].Green() );
 475     blueSlider->SetValue( standardColours[colourSelection].Blue() );
 476   singleCustomColour.Set(standardColours[colourSelection].Red(), standardColours[colourSelection].Green(), standardColours[colourSelection].Blue());
 477
 478   PaintCustomColour(dc);
 479     PaintHighlight(dc, TRUE);
 480 }
 481
 482 void wxGenericColourDialog::OnCustomColourClick(int which)
 483 {
 484   wxClientDC dc(this);
 485   PaintHighlight(dc, FALSE);
 486   whichKind = 2;
 487   colourSelection = which;
 488   colourData.SetColour(customColours[colourSelection]);
 489   redSlider->SetValue( customColours[colourSelection].Red() );
 490     greenSlider->SetValue( customColours[colourSelection].Green() );
 491     blueSlider->SetValue( customColours[colourSelection].Blue() );
 492   singleCustomColour.Set(customColours[colourSelection].Red(), customColours[colourSelection].Green(), customColours[colourSelection].Blue());
 493   PaintCustomColour(dc);
 494   PaintHighlight(dc, TRUE);
 495 }
 496
 497 /*
 498 void wxGenericColourDialog::OnOk(void)
 499 {
 500   Show(FALSE);
 501 }
 502
 503 void wxGenericColourDialog::OnCancel(void)
 504 {
 505   colourDialogCancelled = TRUE;
 506   Show(FALSE);
 507 }
 508 */
 509
 510 void wxGenericColourDialog::OnAddCustom(wxCommandEvent& WXUNUSED(event))
 511 {
 512   wxClientDC dc(this);
 513   if (whichKind != 2)
 514   {
 515     PaintHighlight(dc, FALSE);
 516     whichKind = 2;
 517     colourSelection = 0;
 518     PaintHighlight(dc, TRUE);
 519   }
 520
 521   customColours[colourSelection].Set(singleCustomColour.Red(), singleCustomColour.Green(), singleCustomColour.Blue());
 522   colourData.SetColour(customColours[colourSelection]);
 523   colourData.SetCustomColour(colourSelection, customColours[colourSelection]);
 524
 525   PaintCustomColours(dc);
 526 }
 527
 528 void wxGenericColourDialog::OnRedSlider(wxCommandEvent& WXUNUSED(event))
 529 {
 530   if (!redSlider)
 531     return;
 532
 533   wxClientDC dc(this);
 534   singleCustomColour.Set(redSlider->GetValue(), singleCustomColour.Green(), singleCustomColour.Blue());
 535   PaintCustomColour(dc);
 536 }
 537
 538 void wxGenericColourDialog::OnGreenSlider(wxCommandEvent& WXUNUSED(event))
 539 {
 540   if (!greenSlider)
 541     return;
 542
 543   wxClientDC dc(this);
 544   singleCustomColour.Set(singleCustomColour.Red(), greenSlider->GetValue(), singleCustomColour.Blue());
 545   PaintCustomColour(dc);
 546 }
 547
 548 void wxGenericColourDialog::OnBlueSlider(wxCommandEvent& WXUNUSED(event))
 549 {
 550   if (!blueSlider)
 551     return;
 552
 553   wxClientDC dc(this);
 554   singleCustomColour.Set(singleCustomColour.Red(), singleCustomColour.Green(), blueSlider->GetValue());
 555   PaintCustomColour(dc);
 556 }
 557
 558 #endif // wxUSE_COLOURDLG
 559