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[wxWidgets.git] / src / motif / msgdlg.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: msgdlg.cpp
3 // Purpose: wxMessageDialog
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 #ifdef __GNUG__
17 #pragma implementation "msgdlg.h"
18 #endif
19
20 // ----------------------------------------------------------------------------
21 // headers
22 // ----------------------------------------------------------------------------
23
24 #ifdef __VMS
25 #pragma message disable nosimpint
26 #endif
27 #include <X11/Xlib.h>
28
29 #include <Xm/Xm.h>
30 #include <Xm/MessageB.h>
31 #ifdef __VMS
32 #pragma message enable nosimpint
33 #endif
34
35 #include "wx/app.h"
36 #include "wx/intl.h"
37 #include "wx/motif/msgdlg.h"
38 #include "wx/motif/private.h"
39
40 // ----------------------------------------------------------------------------
41 // macros
42 // ----------------------------------------------------------------------------
43
44 #if !USE_SHARED_LIBRARY
45 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
46 #endif
47
48 // ============================================================================
49 // implementation
50 // ============================================================================
51
52 // ----------------------------------------------------------------------------
53 // the callbacks for message box buttons
54 // ----------------------------------------------------------------------------
55
56 // the common part
57 static void msgboxCallBack(Widget w, int client_data, int id)
58 {
59 // close the dialog
60 XtUnmanageChild(w);
61
62 wxMessageDialog *dlg = (wxMessageDialog *)client_data;
63 dlg->SetResult(id);
64 }
65
66 static void msgboxCallBackOk(Widget w,
67 int client_data,
68 XmAnyCallbackStruct *WXUNUSED(call_data))
69 {
70 msgboxCallBack(w, client_data, wxID_OK);
71 }
72
73 static void msgboxCallBackCancel(Widget w,
74 int client_data,
75 XmAnyCallbackStruct *WXUNUSED(call_data))
76 {
77 msgboxCallBack(w, client_data, wxID_CANCEL);
78 }
79
80 static void msgboxCallBackHelp(Widget w,
81 int client_data,
82 XmAnyCallbackStruct *WXUNUSED(call_data))
83 {
84 msgboxCallBack(w, client_data, wxID_HELP);
85 }
86
87 static void msgboxCallBackClose(Widget w,
88 int client_data,
89 XmAnyCallbackStruct *WXUNUSED(call_data))
90 {
91 msgboxCallBack(w, client_data, wxID_CANCEL);
92 }
93
94 // ----------------------------------------------------------------------------
95 // wxMessageDialog
96 // ----------------------------------------------------------------------------
97
98 wxMessageDialog::wxMessageDialog(wxWindow *parent,
99 const wxString& message,
100 const wxString& caption,
101 long style,
102 const wxPoint& WXUNUSED(pos))
103 {
104 m_caption = caption;
105 m_message = message;
106 m_dialogStyle = style;
107 m_parent = parent;
108 }
109
110 int wxMessageDialog::ShowModal()
111 {
112 Widget (*dialogCreateFunction)(Widget, String, ArgList, Cardinal) = NULL;
113 if ( m_dialogStyle & wxYES_NO )
114 {
115 // if we have [Yes], it must be a question
116 dialogCreateFunction = XmCreateQuestionDialog;
117 }
118 else if ( m_dialogStyle & wxICON_STOP )
119 {
120 // error dialog is the one with error icon...
121 dialogCreateFunction = XmCreateErrorDialog;
122 }
123 else if ( m_dialogStyle & wxICON_EXCLAMATION )
124 {
125 // ...and the warning dialog too
126 dialogCreateFunction = XmCreateWarningDialog;
127 }
128 else
129 {
130 // finally, use the info dialog by default
131 dialogCreateFunction = XmCreateInformationDialog;
132 }
133
134 Widget wParent = m_parent ? GetWidget(m_parent) : (Widget) 0;
135 if ( !wParent )
136 {
137 wxWindow *window = wxTheApp->GetTopWindow();
138 if ( !window )
139 {
140 wxFAIL_MSG("can't show message box without parent window");
141
142 return wxID_CANCEL;
143 }
144
145 wParent = GetWidget(window);
146 }
147
148 // prepare the arg list
149 Arg args[10];
150 int ac = 0;
151
152 wxXmString text(m_message);
153 wxXmString title(m_caption);
154 XtSetArg(args[ac], XmNmessageString, text()); ac++;
155 XtSetArg(args[ac], XmNdialogTitle, title()); ac++;
156
157 wxComputeColours (XtDisplay(wParent), & m_backgroundColour,
158 (wxColour*) NULL);
159
160 XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
161 XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
162 XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
163 XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
164
165 // do create message box
166
167 Widget wMsgBox = (*dialogCreateFunction)(wParent, "", args, ac);
168
169 wxCHECK_MSG( wMsgBox, wxID_CANCEL, "msg box creation failed" );
170
171 // get the buttons which we might either remove or rename
172 // depending on the requested style
173 //
174 Widget wBtnOk = XmMessageBoxGetChild(wMsgBox, XmDIALOG_OK_BUTTON);
175 Widget wBtnHelp = XmMessageBoxGetChild(wMsgBox, XmDIALOG_HELP_BUTTON);
176 Widget wBtnCancel = XmMessageBoxGetChild(wMsgBox, XmDIALOG_CANCEL_BUTTON);
177
178 if ( m_dialogStyle & wxYES_NO )
179 {
180 wxXmString yes(_("Yes")), no(_("No")), cancel(_("Cancel"));
181
182 if ( m_dialogStyle & wxCANCEL )
183 {
184 // use the cancel button for No and the help button for
185 // Cancel Yuk :-) MB
186 //
187 XtVaSetValues(wBtnOk, XmNlabelString, yes(), NULL);
188 XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
189 XtVaSetValues(wBtnHelp, XmNlabelString, cancel(), NULL);
190 }
191 else
192 {
193 // no cancel button requested...
194 // remove the help button and use cancel for no
195 //
196 XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
197 XtUnmanageChild(wBtnHelp);
198 }
199 }
200 else
201 {
202 // remove the help button and the cancel button (unless it was
203 // requested)
204 //
205 XtUnmanageChild(wBtnHelp);
206 if ( !(m_dialogStyle & wxCANCEL ) ) XtUnmanageChild(wBtnCancel);
207 }
208
209 // set the callbacks for the message box buttons
210 XtAddCallback(wMsgBox, XmNokCallback,
211 (XtCallbackProc)msgboxCallBackOk, (XtPointer)this);
212 XtAddCallback(wMsgBox, XmNcancelCallback,
213 (XtCallbackProc)msgboxCallBackCancel, (XtPointer)this);
214 XtAddCallback(wMsgBox, XmNhelpCallback,
215 (XtCallbackProc)msgboxCallBackHelp, (XtPointer)this);
216 XtAddCallback(wMsgBox, XmNunmapCallback,
217 (XtCallbackProc)msgboxCallBackClose, (XtPointer)this);
218
219 // show it as a modal dialog
220 XtManageChild(wMsgBox);
221 XtAddGrab(wMsgBox, True, False);
222
223 // the m_result will be changed when message box goes away
224 m_result = -1;
225
226 // local message loop
227 XtAppContext context = XtWidgetToApplicationContext(wParent);
228 XEvent event;
229 while ( m_result == -1 )
230 {
231 XtAppNextEvent(context, &event);
232 XtDispatchEvent(&event);
233 }
234
235 // translate the result if necessary
236 if ( m_dialogStyle & wxYES_NO )
237 {
238 if ( m_result == wxID_OK )
239 m_result = wxID_YES;
240 else if ( m_result == wxID_CANCEL )
241 m_result = wxID_NO;
242 else if ( m_result == wxID_HELP )
243 m_result = wxID_CANCEL;
244 }
245
246 return m_result;
247 }
248