src/msw/colordlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "colordlg.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <stdio.h>
  33     #include "wx/defs.h"
  34     #include "wx/bitmap.h"
  35     #include "wx/pen.h"
  36     #include "wx/brush.h"
  37     #include "wx/colour.h"
  38     #include "wx/gdicmn.h"
  39     #include "wx/utils.h"
  40     #include "wx/frame.h"
  41     #include "wx/dialog.h"
  42     #include "wx/msgdlg.h"
  43 #endif
  44
  45 #include <windows.h>
  46
  47 #if !defined(__WIN32__) || defined(__SALFORDC__) || defined(__WXWINE__)
  48     #include <commdlg.h>
  49 #endif
  50
  51 #include "wx/msw/private.h"
  52 #include "wx/colordlg.h"
  53 #include "wx/cmndata.h"
  54
  55 #include <math.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58
  59 // ----------------------------------------------------------------------------
  60 // wxWin macros
  61 // ----------------------------------------------------------------------------
  62
  63 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  64
  65 // ============================================================================
  66 // implementation
  67 // ============================================================================
  68
  69 // ----------------------------------------------------------------------------
  70 // colour dialog hook proc
  71 // ----------------------------------------------------------------------------
  72
  73 UINT CALLBACK wxColourDialogHookProc(HWND hwnd,
  74                                      UINT uiMsg,
  75                                      WPARAM wParam,
  76                                      LPARAM lParam)
  77 {
  78     if ( uiMsg == WM_INITDIALOG )
  79     {
  80         CHOOSECOLOR *pCC = (CHOOSECOLOR *)lParam;
  81         wxColourDialog *dialog = (wxColourDialog *)pCC->lCustData;
  82
  83         ::SetWindowText(hwnd, dialog->GetTitle());
  84     }
  85
  86     return 0;
  87 }
  88
  89 // ----------------------------------------------------------------------------
  90 // wxColourDialog
  91 // ----------------------------------------------------------------------------
  92
  93 wxColourDialog::wxColourDialog()
  94 {
  95 }
  96
  97 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  98 {
  99     Create(parent, data);
 100 }
 101
 102 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 103 {
 104     m_parent = parent;
 105     if (data)
 106         m_colourData = *data;
 107
 108     return TRUE;
 109 }
 110
 111 int wxColourDialog::ShowModal()
 112 {
 113     CHOOSECOLOR chooseColorStruct;
 114     COLORREF custColours[16];
 115     memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
 116
 117     int i;
 118     for (i = 0; i < 16; i++)
 119       custColours[i] = wxColourToRGB(m_colourData.custColours[i]);
 120
 121     chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
 122     if ( m_parent )
 123         chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
 124     chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.dataColour);
 125     chooseColorStruct.lpCustColors = custColours;
 126
 127     chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
 128     chooseColorStruct.lCustData = (LPARAM)this;
 129     chooseColorStruct.lpfnHook = wxColourDialogHookProc;
 130
 131     if (!m_colourData.GetChooseFull())
 132       chooseColorStruct.Flags |= CC_PREVENTFULLOPEN;
 133
 134     // Do the modal dialog
 135     bool success = ::ChooseColor(&(chooseColorStruct)) != 0;
 136
 137     // Try to highlight the correct window (the parent)
 138     HWND hWndParent = 0;
 139     if (GetParent())
 140     {
 141       hWndParent = (HWND) GetParent()->GetHWND();
 142       if (hWndParent)
 143         ::BringWindowToTop(hWndParent);
 144     }
 145
 146
 147     // Restore values
 148     for (i = 0; i < 16; i++)
 149     {
 150       wxRGBToColour(m_colourData.custColours[i], custColours[i]);
 151     }
 152
 153     wxRGBToColour(m_colourData.dataColour, chooseColorStruct.rgbResult);
 154
 155     return success ? wxID_OK : wxID_CANCEL;
 156 }
 157
 158 // ----------------------------------------------------------------------------
 159 // title
 160 // ----------------------------------------------------------------------------
 161
 162 void wxColourDialog::SetTitle(const wxString& title)
 163 {
 164     m_title = title;
 165 }
 166
 167 wxString wxColourDialog::GetTitle()
 168 {
 169     return m_title;
 170 }
 171
 172 // ----------------------------------------------------------------------------
 173 // position/size
 174 // ----------------------------------------------------------------------------
 175
 176 void wxColourDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 177                                int WXUNUSED(width), int WXUNUSED(height),
 178                                int WXUNUSED(sizeFlags))
 179 {
 180     // ignore - we can't change the size of this standard dialog
 181     return;
 182 }
 183
 184 // NB: of course, both of these functions are completely bogus, but it's better
 185 //     than nothing
 186 void wxColourDialog::DoGetSize(int *width, int *height) const
 187 {
 188     // the standard dialog size
 189     if ( width )
 190         *width = 225;
 191     if ( height )
 192         *height = 324;
 193 }
 194
 195 void wxColourDialog::DoGetClientSize(int *width, int *height) const
 196 {
 197     // the standard dialog size
 198     if ( width )
 199         *width = 219;
 200     if ( height )
 201         *height = 299;
 202 }