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 WXUNUSED(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         wxPoint pos = dialog->GetPosition();
  86         if ( pos != wxDefaultPosition )
  87         {
  88             ::SetWindowPos(hwnd, NULL /* Z-order: ignored */,
  89                            pos.x, pos.y, -1, -1,
  90                            SWP_NOSIZE | SWP_NOZORDER);
  91         }
  92     }
  93
  94     return 0;
  95 }
  96
  97 // ----------------------------------------------------------------------------
  98 // wxColourDialog
  99 // ----------------------------------------------------------------------------
 100
 101 wxColourDialog::wxColourDialog()
 102 {
 103     m_pos = wxDefaultPosition;
 104 }
 105
 106 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
 107 {
 108     m_pos = wxDefaultPosition;
 109
 110     Create(parent, data);
 111 }
 112
 113 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 114 {
 115     m_parent = parent;
 116     if (data)
 117         m_colourData = *data;
 118
 119     return TRUE;
 120 }
 121
 122 int wxColourDialog::ShowModal()
 123 {
 124     CHOOSECOLOR chooseColorStruct;
 125     COLORREF custColours[16];
 126     memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
 127
 128     int i;
 129     for (i = 0; i < 16; i++)
 130       custColours[i] = wxColourToRGB(m_colourData.custColours[i]);
 131
 132     chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
 133     if ( m_parent )
 134         chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
 135     chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.dataColour);
 136     chooseColorStruct.lpCustColors = custColours;
 137
 138     chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
 139     chooseColorStruct.lCustData = (LPARAM)this;
 140     chooseColorStruct.lpfnHook = wxColourDialogHookProc;
 141
 142     if (m_colourData.GetChooseFull())
 143         chooseColorStruct.Flags |= CC_FULLOPEN;
 144
 145     // Do the modal dialog
 146     bool success = ::ChooseColor(&(chooseColorStruct)) != 0;
 147
 148     // Try to highlight the correct window (the parent)
 149     HWND hWndParent = 0;
 150     if (GetParent())
 151     {
 152       hWndParent = (HWND) GetParent()->GetHWND();
 153       if (hWndParent)
 154         ::BringWindowToTop(hWndParent);
 155     }
 156
 157
 158     // Restore values
 159     for (i = 0; i < 16; i++)
 160     {
 161       wxRGBToColour(m_colourData.custColours[i], custColours[i]);
 162     }
 163
 164     wxRGBToColour(m_colourData.dataColour, chooseColorStruct.rgbResult);
 165
 166     return success ? wxID_OK : wxID_CANCEL;
 167 }
 168
 169 // ----------------------------------------------------------------------------
 170 // title
 171 // ----------------------------------------------------------------------------
 172
 173 void wxColourDialog::SetTitle(const wxString& title)
 174 {
 175     m_title = title;
 176 }
 177
 178 wxString wxColourDialog::GetTitle()
 179 {
 180     return m_title;
 181 }
 182
 183 // ----------------------------------------------------------------------------
 184 // position/size
 185 // ----------------------------------------------------------------------------
 186
 187 void wxColourDialog::DoGetPosition(int *x, int *y) const
 188 {
 189     if ( x )
 190         *x = m_pos.x;
 191     if ( y )
 192         *y = m_pos.y;
 193 }
 194
 195 void wxColourDialog::DoSetSize(int x, int y,
 196                                int WXUNUSED(width), int WXUNUSED(height),
 197                                int WXUNUSED(sizeFlags))
 198 {
 199     if ( x != -1 )
 200         m_pos.x = x;
 201
 202     if ( y != -1 )
 203         m_pos.y = y;
 204
 205     // ignore the size params - we can't change the size of a standard dialog
 206     return;
 207 }
 208
 209 // NB: of course, both of these functions are completely bogus, but it's better
 210 //     than nothing
 211 void wxColourDialog::DoGetSize(int *width, int *height) const
 212 {
 213     // the standard dialog size
 214     if ( width )
 215         *width = 225;
 216     if ( height )
 217         *height = 324;
 218 }
 219
 220 void wxColourDialog::DoGetClientSize(int *width, int *height) const
 221 {
 222     // the standard dialog size
 223     if ( width )
 224         *width = 219;
 225     if ( height )
 226         *height = 299;
 227 }
 228