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Fix needlessly convoluted test in wxXmlResourceHandlerImpl::GetImageList().
[wxWidgets.git] / 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 // Copyright: (c) Julian Smart
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 // For compilers that support precompilation, includes "wx.h".
20 #include "wx/wxprec.h"
21
22 #ifdef __BORLANDC__
23 #pragma hdrstop
24 #endif
25
26 #if wxUSE_COLOURDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
27
28 #include "wx/colordlg.h"
29 #include "wx/modalhook.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/math.h"
38 #endif
39
40 #include "wx/msw/private.h"
41
42 #include <stdlib.h>
43 #include <string.h>
44
45 // ----------------------------------------------------------------------------
46 // globals
47 // ----------------------------------------------------------------------------
48
49 // standard colors dialog size for the Windows systems
50 // this is ok if color dialog created with standart color
51 // and "Define Custom Colors" extension not shown
52 static wxRect gs_rectDialog(0, 0, 222, 324);
53
54 // ----------------------------------------------------------------------------
55 // wxWin macros
56 // ----------------------------------------------------------------------------
57
58 IMPLEMENT_DYNAMIC_CLASS(wxColourDialog, wxDialog)
59
60 // ============================================================================
61 // implementation
62 // ============================================================================
63
64 // ----------------------------------------------------------------------------
65 // colour dialog hook proc
66 // ----------------------------------------------------------------------------
67
68 UINT_PTR CALLBACK
69 wxColourDialogHookProc(HWND hwnd,
70 UINT uiMsg,
71 WPARAM WXUNUSED(wParam),
72 LPARAM lParam)
73 {
74 if ( uiMsg == WM_INITDIALOG )
75 {
76 CHOOSECOLOR *pCC = (CHOOSECOLOR *)lParam;
77 wxColourDialog * const
78 dialog = reinterpret_cast<wxColourDialog *>(pCC->lCustData);
79
80 const wxString title = dialog->GetTitle();
81 if ( !title.empty() )
82 ::SetWindowText(hwnd, title.t_str());
83
84 dialog->MSWOnInitDone((WXHWND)hwnd);
85 }
86
87 return 0;
88 }
89
90 // ----------------------------------------------------------------------------
91 // wxColourDialog
92 // ----------------------------------------------------------------------------
93
94 void wxColourDialog::Init()
95 {
96 m_movedWindow = false;
97 m_centreDir = 0;
98
99 // reset to zero, otherwise the wx routines won't size the window the
100 // second time the dialog is shown, because they would believe it already
101 // has the requested size/position
102 gs_rectDialog.x =
103 gs_rectDialog.y = 0;
104 }
105
106 bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
107 {
108 m_parent = parent;
109 if (data)
110 m_colourData = *data;
111
112 return true;
113 }
114
115 int wxColourDialog::ShowModal()
116 {
117 WX_HOOK_MODAL_DIALOG();
118
119 // initialize the struct used by Windows
120 CHOOSECOLOR chooseColorStruct;
121 memset(&chooseColorStruct, 0, sizeof(CHOOSECOLOR));
122
123 size_t i;
124
125 // and transfer data from m_colourData to it
126 COLORREF custColours[16];
127 for ( i = 0; i < WXSIZEOF(custColours); i++ )
128 {
129 if ( m_colourData.GetCustomColour(i).IsOk() )
130 custColours[i] = wxColourToRGB(m_colourData.GetCustomColour(i));
131 else
132 custColours[i] = RGB(255,255,255);
133 }
134
135 chooseColorStruct.lStructSize = sizeof(CHOOSECOLOR);
136 if ( m_parent )
137 chooseColorStruct.hwndOwner = GetHwndOf(m_parent);
138 chooseColorStruct.rgbResult = wxColourToRGB(m_colourData.GetColour());
139 chooseColorStruct.lpCustColors = custColours;
140
141 chooseColorStruct.Flags = CC_RGBINIT | CC_ENABLEHOOK;
142 chooseColorStruct.lCustData = (LPARAM)this;
143 chooseColorStruct.lpfnHook = wxColourDialogHookProc;
144
145 if ( m_colourData.GetChooseFull() )
146 chooseColorStruct.Flags |= CC_FULLOPEN;
147
148 // do show the modal dialog
149 if ( !::ChooseColor(&chooseColorStruct) )
150 {
151 // 0 error means the dialog was simply cancelled, i.e. no real error
152 // occurred
153 const DWORD err = CommDlgExtendedError();
154 if ( err )
155 {
156 wxLogError(_("Colour selection dialog failed with error %0lx."), err);
157 }
158
159 return wxID_CANCEL;
160 }
161
162
163 // transfer the values chosen by user back into m_colourData
164 for ( i = 0; i < WXSIZEOF(custColours); i++ )
165 {
166 wxRGBToColour(m_colourData.m_custColours[i], custColours[i]);
167 }
168
169 wxRGBToColour(m_colourData.GetColour(), chooseColorStruct.rgbResult);
170
171 // this doesn't seem to work (contrary to what MSDN implies) on current
172 // Windows versions: CC_FULLOPEN is never set on return if it wasn't
173 // initially set and vice versa
174 //m_colourData.SetChooseFull((chooseColorStruct.Flags & CC_FULLOPEN) != 0);
175
176 return wxID_OK;
177 }
178
179 // ----------------------------------------------------------------------------
180 // title
181 // ----------------------------------------------------------------------------
182
183 void wxColourDialog::SetTitle(const wxString& title)
184 {
185 m_title = title;
186 }
187
188 wxString wxColourDialog::GetTitle() const
189 {
190 return m_title;
191 }
192
193 // ----------------------------------------------------------------------------
194 // position/size
195 // ----------------------------------------------------------------------------
196
197 void wxColourDialog::DoGetPosition(int *x, int *y) const
198 {
199 if ( x )
200 *x = gs_rectDialog.x;
201 if ( y )
202 *y = gs_rectDialog.y;
203 }
204
205 void wxColourDialog::DoCentre(int dir)
206 {
207 m_centreDir = dir;
208
209 // it's unnecessary to do anything else at this stage as we'll redo it in
210 // MSWOnInitDone() anyhow
211 }
212
213 void wxColourDialog::DoMoveWindow(int x, int y, int WXUNUSED(w), int WXUNUSED(h))
214 {
215 gs_rectDialog.x = x;
216 gs_rectDialog.y = y;
217
218 // our HWND is only set when we're called from MSWOnInitDone(), test if
219 // this is the case
220 HWND hwnd = GetHwnd();
221 if ( hwnd )
222 {
223 // size of the dialog can't be changed because the controls are not
224 // laid out correctly then
225 ::SetWindowPos(hwnd, HWND_TOP, x, y, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
226 }
227 else // just remember that we were requested to move the window
228 {
229 m_movedWindow = true;
230
231 // if Centre() had been called before, it shouldn't be taken into
232 // account now
233 m_centreDir = 0;
234 }
235 }
236
237 void wxColourDialog::DoGetSize(int *width, int *height) const
238 {
239 if ( width )
240 *width = gs_rectDialog.width;
241 if ( height )
242 *height = gs_rectDialog.height;
243 }
244
245 void wxColourDialog::DoGetClientSize(int *width, int *height) const
246 {
247 if ( width )
248 *width = gs_rectDialog.width;
249 if ( height )
250 *height = gs_rectDialog.height;
251 }
252
253 void wxColourDialog::MSWOnInitDone(WXHWND hDlg)
254 {
255 // set HWND so that our DoMoveWindow() works correctly
256 SetHWND(hDlg);
257
258 if ( m_centreDir )
259 {
260 // now we have the real dialog size, remember it
261 RECT rect;
262 ::GetWindowRect((HWND)hDlg, &rect);
263 gs_rectDialog = wxRectFromRECT(rect);
264
265 // and position the window correctly: notice that we must use the base
266 // class version as our own doesn't do anything except setting flags
267 wxDialog::DoCentre(m_centreDir);
268 }
269 else if ( m_movedWindow ) // need to just move it to the correct place
270 {
271 SetPosition(GetPosition());
272 }
273
274 // we shouldn't destroy hDlg, so disassociate from it
275 SetHWND(NULL);
276 }
277
278 #endif // wxUSE_COLOURDLG && !(__SMARTPHONE__ && __WXWINCE__)