src/msw/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        colordlg.cpp
   3 // Purpose:     wxColourDialog class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "colordlg.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 #ifndef WX_PRECOMP
  24 #include <stdio.h>
  25 #include "wx/defs.h"
  26 #include "wx/pen.h"
  27 #include "wx/brush.h"
  28 #include "wx/gdicmn.h"
  29 #include "wx/utils.h"
  30 #include "wx/frame.h"
  31 #include "wx/dialog.h"
  32 #include "wx/msgdlg.h"
  33 #endif
  34
  35 #include <windows.h>
  36
  37 #ifndef __WIN32__
  38 #include <commdlg.h>
  39 #endif
  40
  41 #include "wx/msw/private.h"
  42 #include "wx/colordlg.h"
  43 #include "wx/cmndata.h"
  44
  45 #include <math.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48
  49 #define wxDIALOG_DEFAULT_X 300
  50 #define wxDIALOG_DEFAULT_Y 300
  51
  52 #if !USE_SHARED_LIBRARY
  53 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  54 #endif
  55
  56 /*
  57  * wxColourDialog
  58  */
  59
  60 wxColourDialog::wxColourDialog(void)
  61 {
  62   dialogParent = NULL;
  63 }
  64
  65 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  66 {
  67   Create(parent, data);
  68 }
  69
  70 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
  71 {
  72   dialogParent = parent;
  73
  74   if (data)
  75     colourData = *data;
  76   return TRUE;
  77 }
  78
  79 int wxColourDialog::ShowModal(void)
  80 {
  81     CHOOSECOLOR chooseColorStruct;
  82     COLORREF custColours[16];
  83     memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
  84
  85     int i;
  86     for (i = 0; i < 16; i++)
  87       custColours[i] = RGB(colourData.custColours[i].Red(), colourData.custColours[i].Green(), colourData.custColours[i].Blue());
  88
  89     chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
  90     chooseColorStruct.hwndOwner = (HWND) (dialogParent ? (HWND) dialogParent->GetHWND() : NULL);
  91     chooseColorStruct.rgbResult = RGB(colourData.dataColour.Red(), colourData.dataColour.Green(), colourData.dataColour.Blue());
  92     chooseColorStruct.lpCustColors = custColours;
  93
  94     chooseColorStruct.Flags = CC_RGBINIT;
  95
  96     if (!colourData.GetChooseFull())
  97       chooseColorStruct.Flags |= CC_PREVENTFULLOPEN;
  98
  99     // Do the modal dialog
 100     bool success = (ChooseColor(&(chooseColorStruct)) != 0);
 101
 102     // Try to highlight the correct window (the parent)
 103     HWND hWndParent = 0;
 104     if (GetParent())
 105     {
 106       hWndParent = (HWND) GetParent()->GetHWND();
 107       if (hWndParent)
 108         ::BringWindowToTop(hWndParent);
 109     }
 110
 111
 112     // Restore values
 113     for (i = 0; i < 16; i++)
 114     {
 115       colourData.custColours[i].Set(GetRValue(custColours[i]), GetGValue(custColours[i]),
 116          GetBValue(custColours[i]));
 117     }
 118
 119     colourData.dataColour.Set(GetRValue(chooseColorStruct.rgbResult), GetGValue(chooseColorStruct.rgbResult),
 120      GetBValue(chooseColorStruct.rgbResult));
 121
 122     return success ? wxID_OK : wxID_CANCEL;
 123 }
 124