src/motif/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/msgdlg.cpp
   3 // Purpose:     wxMessageDialog
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  17     #pragma implementation "msgdlg.h"
  18 #endif
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #include "wx/defs.h"
  28
  29 #ifdef __VMS
  30 #define XtDisplay XTDISPLAY
  31 #pragma message disable nosimpint
  32 #include <wx/vms_x_fix.h>
  33 #endif
  34 #include <X11/Xlib.h>
  35
  36 #include <Xm/Xm.h>
  37 #include <Xm/MessageB.h>
  38 #ifdef __VMS
  39 #pragma message enable nosimpint
  40 #endif
  41
  42 #include "wx/app.h"
  43 #include "wx/intl.h"
  44 #include "wx/msgdlg.h"
  45 #include "wx/motif/private.h"
  46 #include "wx/settings.h"
  47
  48 // ----------------------------------------------------------------------------
  49 // macros
  50 // ----------------------------------------------------------------------------
  51
  52     IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  53
  54 // ============================================================================
  55 // implementation
  56 // ============================================================================
  57
  58 // ----------------------------------------------------------------------------
  59 // the callbacks for message box buttons
  60 // ----------------------------------------------------------------------------
  61
  62 // the common part
  63 static void msgboxCallBack(Widget w, void* client_data, int id)
  64 {
  65     // close the dialog
  66     XtUnmanageChild(w);
  67
  68     wxMessageDialog *dlg = (wxMessageDialog *)client_data;
  69     dlg->SetResult(id);
  70 }
  71
  72 static void msgboxCallBackOk(Widget w,
  73                              void* client_data,
  74                              XmAnyCallbackStruct *WXUNUSED(call_data))
  75 {
  76     msgboxCallBack(w, client_data, wxID_OK);
  77 }
  78
  79 static void msgboxCallBackCancel(Widget w,
  80                                  void* client_data,
  81                                  XmAnyCallbackStruct *WXUNUSED(call_data))
  82 {
  83     msgboxCallBack(w, client_data, wxID_CANCEL);
  84 }
  85
  86 static void msgboxCallBackHelp(Widget w,
  87                                void* client_data,
  88                                XmAnyCallbackStruct *WXUNUSED(call_data))
  89 {
  90     msgboxCallBack(w, client_data, wxID_HELP);
  91 }
  92
  93 static void msgboxCallBackClose(Widget w,
  94                                 void* client_data,
  95                                 XmAnyCallbackStruct *WXUNUSED(call_data))
  96 {
  97     msgboxCallBack(w, client_data, wxID_CANCEL);
  98 }
  99
 100 // ----------------------------------------------------------------------------
 101 // wxMessageDialog
 102 // ----------------------------------------------------------------------------
 103
 104 wxMessageDialog::wxMessageDialog(wxWindow *parent,
 105                                  const wxString& message,
 106                                  const wxString& caption,
 107                                  long style,
 108                                  const wxPoint& WXUNUSED(pos))
 109 {
 110     m_caption = caption;
 111     m_message = message;
 112     m_parent = parent;
 113     SetMessageDialogStyle(style);
 114 }
 115
 116 int wxMessageDialog::ShowModal()
 117 {
 118     Widget (*dialogCreateFunction)(Widget, String, ArgList, Cardinal) = NULL;
 119     const long style = GetMessageDialogStyle();
 120
 121     if ( style & wxYES_NO )
 122     {
 123         // if we have [Yes], it must be a question
 124         dialogCreateFunction = XmCreateQuestionDialog;
 125     }
 126     else if ( style & wxICON_STOP )
 127     {
 128         // error dialog is the one with error icon...
 129         dialogCreateFunction = XmCreateErrorDialog;
 130     }
 131     else if ( style & wxICON_EXCLAMATION )
 132     {
 133         // ...and the warning dialog too
 134         dialogCreateFunction = XmCreateWarningDialog;
 135     }
 136     else
 137     {
 138         // finally, use the info dialog by default
 139         dialogCreateFunction = XmCreateInformationDialog;
 140     }
 141
 142     Widget wParent = m_parent ? GetWidget(m_parent) : (Widget) 0;
 143     if ( !wParent )
 144     {
 145         wxWindow *window = wxTheApp->GetTopWindow();
 146         if ( !window )
 147         {
 148             wxFAIL_MSG("can't show message box without parent window");
 149
 150             return wxID_CANCEL;
 151         }
 152
 153         wParent = GetWidget(window);
 154     }
 155
 156     // prepare the arg list
 157     Arg args[10];
 158     int ac = 0;
 159
 160     wxXmString text(m_message);
 161     wxXmString title(m_caption);
 162     XtSetArg(args[ac], XmNmessageString, text()); ac++;
 163     XtSetArg(args[ac], XmNdialogTitle, title()); ac++;
 164
 165     Display* dpy = XtDisplay(wParent);
 166
 167     wxComputeColours (dpy, & m_backgroundColour, (wxColour*) NULL);
 168
 169     XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 170     XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 171     XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 172     XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 173
 174     wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 175
 176     if ( wxFont::GetFontTag() == (WXString) XmNfontList )
 177     {
 178         XtSetArg(args[ac], XmNbuttonFontList, font.GetFontTypeC(dpy)); ac++;
 179         XtSetArg(args[ac], XmNlabelFontList, font.GetFontTypeC(dpy)); ac++;
 180         XtSetArg(args[ac], XmNtextFontList, font.GetFontTypeC(dpy)); ac++;
 181     }
 182     else
 183     {
 184         XtSetArg(args[ac], XmNbuttonRenderTable, font.GetFontTypeC(dpy)); ac++;
 185         XtSetArg(args[ac], XmNlabelRenderTable, font.GetFontTypeC(dpy)); ac++;
 186         XtSetArg(args[ac], XmNtextRenderTable, font.GetFontTypeC(dpy)); ac++;
 187     }
 188
 189     // do create message box
 190
 191     Widget wMsgBox = (*dialogCreateFunction)(wParent, "", args, ac);
 192
 193     wxCHECK_MSG( wMsgBox, wxID_CANCEL, "msg box creation failed" );
 194
 195     // get the buttons which we might either remove or rename
 196     // depending on the requested style
 197     //
 198     Widget wBtnOk = XmMessageBoxGetChild(wMsgBox, XmDIALOG_OK_BUTTON);
 199     Widget wBtnHelp = XmMessageBoxGetChild(wMsgBox, XmDIALOG_HELP_BUTTON);
 200     Widget wBtnCancel = XmMessageBoxGetChild(wMsgBox, XmDIALOG_CANCEL_BUTTON);
 201
 202     if ( style & wxYES_NO )
 203     {
 204         wxXmString yes(_("Yes")), no(_("No")), cancel(_("Cancel"));
 205
 206         if ( style & wxCANCEL )
 207         {
 208             // use the cancel button for No and the help button for
 209             // Cancel  Yuk :-)  MB
 210             //
 211             XtVaSetValues(wBtnOk, XmNlabelString, yes(), NULL);
 212             XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
 213             XtVaSetValues(wBtnHelp, XmNlabelString, cancel(), NULL);
 214         }
 215         else
 216         {
 217             // no cancel button requested...
 218             // remove the help button and use cancel for no
 219             //
 220             XtVaSetValues(wBtnCancel, XmNlabelString, no(), NULL);
 221             XtUnmanageChild(wBtnHelp);
 222         }
 223     }
 224     else
 225     {
 226         // remove the help button and the cancel button (unless it was
 227         // requested)
 228         //
 229         XtUnmanageChild(wBtnHelp);
 230         if ( !(style & wxCANCEL ) ) XtUnmanageChild(wBtnCancel);
 231     }
 232
 233     // set the callbacks for the message box buttons
 234     XtAddCallback(wMsgBox, XmNokCallback,
 235                   (XtCallbackProc)msgboxCallBackOk, (XtPointer)this);
 236     XtAddCallback(wMsgBox, XmNcancelCallback,
 237                   (XtCallbackProc)msgboxCallBackCancel, (XtPointer)this);
 238     XtAddCallback(wMsgBox, XmNhelpCallback,
 239                   (XtCallbackProc)msgboxCallBackHelp, (XtPointer)this);
 240     XtAddCallback(wMsgBox, XmNunmapCallback,
 241                   (XtCallbackProc)msgboxCallBackClose, (XtPointer)this);
 242
 243     // show it as a modal dialog
 244     XtManageChild(wMsgBox);
 245     XtAddGrab(wMsgBox, True, False);
 246
 247     // the m_result will be changed when message box goes away
 248     m_result = -1;
 249
 250     // local message loop
 251     XtAppContext context = XtWidgetToApplicationContext(wParent);
 252     XEvent event;
 253     while ( m_result == -1 )
 254     {
 255         XtAppNextEvent(context, &event);
 256         XtDispatchEvent(&event);
 257     }
 258
 259     // translate the result if necessary
 260     if ( style & wxYES_NO )
 261     {
 262         if ( m_result == wxID_OK )
 263             m_result = wxID_YES;
 264         else if ( m_result == wxID_CANCEL )
 265             m_result = wxID_NO;
 266         else if ( m_result == wxID_HELP )
 267             m_result = wxID_CANCEL;
 268     }
 269
 270     return m_result;
 271 }
 272