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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_COLOURDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
  28
  29 #include "wx/colordlg.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/msw/wrapcdlg.h"
  33     #include <stdio.h>
  34     #include "wx/colour.h"
  35     #include "wx/gdicmn.h"
  36     #include "wx/utils.h"
  37     #include "wx/dialog.h"
  38     #include "wx/cmndata.h"
  39     #include "wx/math.h"
  40 #endif
  41
  42 #include "wx/msw/private.h"
  43
  44 #include <stdlib.h>
  45 #include <string.h>
  46
  47 // ----------------------------------------------------------------------------
  48 // wxWin macros
  49 // ----------------------------------------------------------------------------
  50
  51 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
  52
  53 // ============================================================================
  54 // implementation
  55 // ============================================================================
  56
  57 // ----------------------------------------------------------------------------
  58 // colour dialog hook proc
  59 // ----------------------------------------------------------------------------
  60
  61 UINT_PTR CALLBACK
  62 wxColourDialogHookProc(HWND hwnd,
  63                        UINT uiMsg,
  64                        WPARAM WXUNUSED(wParam),
  65                        LPARAM lParam)
  66 {
  67     if ( uiMsg == WM_INITDIALOG )
  68     {
  69         CHOOSECOLOR *pCC = (CHOOSECOLOR *)lParam;
  70         wxColourDialog *dialog = (wxColourDialog *)pCC->lCustData;
  71
  72         const wxString title = dialog->GetTitle();
  73         if ( !title.empty() )
  74             ::SetWindowText(hwnd, title.wx_str());
  75
  76         wxPoint pos = dialog->GetPosition();
  77         if ( pos != wxDefaultPosition )
  78         {
  79             ::SetWindowPos(hwnd, NULL /* Z-order: ignored */,
  80                            pos.x, pos.y, -1, -1,
  81                            SWP_NOSIZE | SWP_NOZORDER);
  82         }
  83     }
  84
  85     return 0;
  86 }
  87
  88 // ----------------------------------------------------------------------------
  89 // wxColourDialog
  90 // ----------------------------------------------------------------------------
  91
  92 wxColourDialog::wxColourDialog()
  93 {
  94     m_pos = wxDefaultPosition;
  95 }
  96
  97 wxColourDialog::wxColourDialog(wxWindow *parent, wxColourData *data)
  98 {
  99     m_pos = wxDefaultPosition;
 100
 101     Create(parent, data);
 102 }
 103
 104 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
 105 {
 106     m_parent = parent;
 107     if (data)
 108         m_colourData = *data;
 109
 110     return true;
 111 }
 112
 113 int wxColourDialog::ShowModal()
 114 {
 115     CHOOSECOLOR chooseColorStruct;
 116     COLORREF custColours[16];
 117     memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
 118
 119     int i;
 120     for (i = 0; i < 16; i++)
 121     {
 122         if (m_colourData.m_custColours[i].Ok())
 123             custColours[i] = wxColourToRGB(m_colourData.m_custColours[i]);
 124         else
 125             custColours[i] = RGB(255,255,255);
 126     }
 127
 128     chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
 129     if ( m_parent )
 130         chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
 131     chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.m_dataColour);
 132     chooseColorStruct.lpCustColors = custColours;
 133
 134     chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
 135     chooseColorStruct.lCustData = (LPARAM)this;
 136     chooseColorStruct.lpfnHook = wxColourDialogHookProc;
 137
 138     if (m_colourData.GetChooseFull())
 139         chooseColorStruct.Flags |= CC_FULLOPEN;
 140
 141     // Do the modal dialog
 142     bool success = ::ChooseColor(&(chooseColorStruct)) != 0;
 143
 144     // Try to highlight the correct window (the parent)
 145     if (GetParent())
 146     {
 147       HWND hWndParent = (HWND) GetParent()->GetHWND();
 148       if (hWndParent)
 149         ::BringWindowToTop(hWndParent);
 150     }
 151
 152
 153     // Restore values
 154     for (i = 0; i < 16; i++)
 155     {
 156       wxRGBToColour(m_colourData.m_custColours[i], custColours[i]);
 157     }
 158
 159     wxRGBToColour(m_colourData.m_dataColour, chooseColorStruct.rgbResult);
 160
 161     return success ? wxID_OK : wxID_CANCEL;
 162 }
 163
 164 // ----------------------------------------------------------------------------
 165 // title
 166 // ----------------------------------------------------------------------------
 167
 168 void wxColourDialog::SetTitle(const wxString& title)
 169 {
 170     m_title = title;
 171 }
 172
 173 wxString wxColourDialog::GetTitle() const
 174 {
 175     return m_title;
 176 }
 177
 178 // ----------------------------------------------------------------------------
 179 // position/size
 180 // ----------------------------------------------------------------------------
 181
 182 void wxColourDialog::DoGetPosition(int *x, int *y) const
 183 {
 184     if ( x )
 185         *x = m_pos.x;
 186     if ( y )
 187         *y = m_pos.y;
 188 }
 189
 190 void wxColourDialog::DoSetSize(int x, int y,
 191                                int WXUNUSED(width), int WXUNUSED(height),
 192                                int WXUNUSED(sizeFlags))
 193 {
 194     if ( x != wxDefaultCoord )
 195         m_pos.x = x;
 196
 197     if ( y != wxDefaultCoord )
 198         m_pos.y = y;
 199
 200     // ignore the size params - we can't change the size of a standard dialog
 201     return;
 202 }
 203
 204 // NB: of course, both of these functions are completely bogus, but it's better
 205 //     than nothing
 206 void wxColourDialog::DoGetSize(int *width, int *height) const
 207 {
 208     // the standard dialog size
 209     if ( width )
 210         *width = 225;
 211     if ( height )
 212         *height = 324;
 213 }
 214
 215 void wxColourDialog::DoGetClientSize(int *width, int *height) const
 216 {
 217     // the standard dialog size
 218     if ( width )
 219         *width = 219;
 220     if ( height )
 221         *height = 299;
 222 }
 223
 224 #endif // wxUSE_COLOURDLG && !(__SMARTPHONE__ && __WXWINCE__)