src/generic/colrdlgg.cpp

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