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
   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 #if wxUSE_COLOURDLG
  46
  47 #include <windows.h>
  48
  49 #if !defined(__WIN32__) || defined(__SALFORDC__)
  50     #include <commdlg.h>
  51 #endif
  52
  53 #include "wx/msw/private.h"
  54 #include "wx/colordlg.h"
  55 #include "wx/cmndata.h"
  56
  57 #include <math.h>
  58 #include <stdlib.h>
  59 #include <string.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // wxWin macros
  63 // ----------------------------------------------------------------------------
  64
  65 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  66
  67 // ============================================================================
  68 // implementation
  69 // ============================================================================
  70
  71 // ----------------------------------------------------------------------------
  72 // colour dialog hook proc
  73 // ----------------------------------------------------------------------------
  74
  75 UINT CALLBACK wxColourDialogHookProc(HWND hwnd,
  76                                      UINT uiMsg,
  77                                      WPARAM WXUNUSED(wParam),
  78                                      LPARAM lParam)
  79 {
  80     if ( uiMsg == WM_INITDIALOG )
  81     {
  82         CHOOSECOLOR *pCC = (CHOOSECOLOR *)lParam;
  83         wxColourDialog *dialog = (wxColourDialog *)pCC->lCustData;
  84
  85         ::SetWindowText(hwnd, dialog->GetTitle());
  86
  87         wxPoint pos = dialog->GetPosition();
  88         if ( pos != wxDefaultPosition )
  89         {
  90             ::SetWindowPos(hwnd, NULL /* Z-order: ignored */,
  91                            pos.x, pos.y, -1, -1,
  92                            SWP_NOSIZE | SWP_NOZORDER);
  93         }
  94     }
  95
  96     return 0;
  97 }
  98
  99 // ----------------------------------------------------------------------------
 100 // wxColourDialog
 101 // ----------------------------------------------------------------------------
 102
 103 wxColourDialog::wxColourDialog()
 104 {
 105     m_pos = wxDefaultPosition;
 106 }
 107
 108 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
 109 {
 110     m_pos = wxDefaultPosition;
 111
 112     Create(parent, data);
 113 }
 114
 115 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 116 {
 117     m_parent = parent;
 118     if (data)
 119         m_colourData = *data;
 120
 121     return TRUE;
 122 }
 123
 124 int wxColourDialog::ShowModal()
 125 {
 126     CHOOSECOLOR chooseColorStruct;
 127     COLORREF custColours[16];
 128     memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
 129
 130     int i;
 131     for (i = 0; i < 16; i++)
 132       custColours[i] = wxColourToRGB(m_colourData.m_custColours[i]);
 133
 134     chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
 135     if ( m_parent )
 136         chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
 137     chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.m_dataColour);
 138     chooseColorStruct.lpCustColors = custColours;
 139
 140     chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
 141     chooseColorStruct.lCustData = (LPARAM)this;
 142     chooseColorStruct.lpfnHook = wxColourDialogHookProc;
 143
 144     if (m_colourData.GetChooseFull())
 145         chooseColorStruct.Flags |= CC_FULLOPEN;
 146
 147     // Do the modal dialog
 148     bool success = ::ChooseColor(&(chooseColorStruct)) != 0;
 149
 150     // Try to highlight the correct window (the parent)
 151     HWND hWndParent = 0;
 152     if (GetParent())
 153     {
 154       hWndParent = (HWND) GetParent()->GetHWND();
 155       if (hWndParent)
 156         ::BringWindowToTop(hWndParent);
 157     }
 158
 159
 160     // Restore values
 161     for (i = 0; i < 16; i++)
 162     {
 163       wxRGBToColour(m_colourData.m_custColours[i], custColours[i]);
 164     }
 165
 166     wxRGBToColour(m_colourData.m_dataColour, chooseColorStruct.rgbResult);
 167
 168     return success ? wxID_OK : wxID_CANCEL;
 169 }
 170
 171 // ----------------------------------------------------------------------------
 172 // title
 173 // ----------------------------------------------------------------------------
 174
 175 void wxColourDialog::SetTitle(const wxString& title)
 176 {
 177     m_title = title;
 178 }
 179
 180 wxString wxColourDialog::GetTitle() const
 181 {
 182     return m_title;
 183 }
 184
 185 // ----------------------------------------------------------------------------
 186 // position/size
 187 // ----------------------------------------------------------------------------
 188
 189 void wxColourDialog::DoGetPosition(int *x, int *y) const
 190 {
 191     if ( x )
 192         *x = m_pos.x;
 193     if ( y )
 194         *y = m_pos.y;
 195 }
 196
 197 void wxColourDialog::DoSetSize(int x, int y,
 198                                int WXUNUSED(width), int WXUNUSED(height),
 199                                int WXUNUSED(sizeFlags))
 200 {
 201     if ( x != -1 )
 202         m_pos.x = x;
 203
 204     if ( y != -1 )
 205         m_pos.y = y;
 206
 207     // ignore the size params - we can't change the size of a standard dialog
 208     return;
 209 }
 210
 211 // NB: of course, both of these functions are completely bogus, but it's better
 212 //     than nothing
 213 void wxColourDialog::DoGetSize(int *width, int *height) const
 214 {
 215     // the standard dialog size
 216     if ( width )
 217         *width = 225;
 218     if ( height )
 219         *height = 324;
 220 }
 221
 222 void wxColourDialog::DoGetClientSize(int *width, int *height) const
 223 {
 224     // the standard dialog size
 225     if ( width )
 226         *width = 219;
 227     if ( height )
 228         *height = 299;
 229 }
 230
 231 #endif