Пример #1
0
// Shows a dialog modally, returning a return code
int wxDialog::ShowModal()
{
    m_windowStyle |= wxDIALOG_MODAL;

    Show(true);

    // after the event loop ran, the widget might already have been destroyed
    WXDisplay* display = (WXDisplay*)XtDisplay( (Widget)m_mainWidget );

    if (m_modalShowing)
        return 0;
    m_eventLoop = new wxEventLoop;

    m_modalShowing = true;
    XtAddGrab((Widget) m_mainWidget, True, False);

    m_eventLoop->Run();

    // Now process all events in case they get sent to a destroyed dialog
    wxFlushEvents( display );

    delete m_eventLoop;
    m_eventLoop = NULL;

    // TODO: is it safe to call this, if the dialog may have been deleted
    // by now? Probably only if we're using delayed deletion of dialogs.
    return GetReturnCode();
}
Пример #2
0
int wxFileDialog::ShowModal()
{
    wxBeginBusyCursor();

    //  static char fileBuf[512];
    Widget parentWidget = (Widget) 0;
    if (m_parent)
        parentWidget = (Widget) m_parent->GetTopWidget();
    else
        parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
    // prepare the arg list
    Display* dpy = XtDisplay(parentWidget);
    Arg args[10];
    int ac = 0;

    if (m_backgroundColour.IsOk())
    {
        wxComputeColours (dpy, & m_backgroundColour, NULL);

        XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
        XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
        XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
        XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
    }

    wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);

#if __WXMOTIF20__ && !__WXLESSTIF__
    XtSetArg(args[ac], XmNbuttonRenderTable, font.GetFontTypeC(dpy)); ac++;
    XtSetArg(args[ac], XmNlabelRenderTable, font.GetFontTypeC(dpy)); ac++;
    XtSetArg(args[ac], XmNtextRenderTable, font.GetFontTypeC(dpy)); ac++;
#else
    XtSetArg(args[ac], XmNbuttonFontList, font.GetFontTypeC(dpy)); ac++;
    XtSetArg(args[ac], XmNlabelFontList, font.GetFontTypeC(dpy)); ac++;
    XtSetArg(args[ac], XmNtextFontList, font.GetFontTypeC(dpy)); ac++;
#endif

    Widget fileSel = XmCreateFileSelectionDialog(parentWidget,
                                                 wxMOTIF_STR("file_selector"),
                                                 args, ac);
#define wxFSChild( name ) \
    XmFileSelectionBoxGetChild(fileSel, name)

    XtUnmanageChild(wxFSChild(XmDIALOG_HELP_BUTTON));

    Widget filterWidget = wxFSChild(XmDIALOG_FILTER_TEXT);
    Widget selectionWidget = wxFSChild(XmDIALOG_TEXT);
    Widget dirListWidget = wxFSChild(XmDIALOG_DIR_LIST);
    Widget fileListWidget = wxFSChild(XmDIALOG_LIST);

    // for changing labels
    Widget okWidget = wxFSChild(XmDIALOG_OK_BUTTON);
    Widget applyWidget = wxFSChild(XmDIALOG_APPLY_BUTTON);
    Widget cancelWidget = wxFSChild(XmDIALOG_CANCEL_BUTTON);
    Widget dirlistLabel = wxFSChild(XmDIALOG_DIR_LIST_LABEL);
    Widget filterLabel = wxFSChild(XmDIALOG_FILTER_LABEL);
    Widget listLabel = wxFSChild(XmDIALOG_LIST_LABEL);
    Widget selectionLabel = wxFSChild(XmDIALOG_SELECTION_LABEL);

#undef wxFSChild

    // change labels
    wxXmString btnOK( wxGetStockLabel( wxID_OK, false ) ),
               btnCancel( wxGetStockLabel( wxID_CANCEL, false ) ),
               btnFilter( _("Filter") ), lblFilter( _("Filter") ),
               lblDirectories( _("Directories") ),
               lblFiles( _("Files" ) ), lblSelection( _("Selection") );

    XtVaSetValues( okWidget, XmNlabelString, btnOK(), NULL );
    XtVaSetValues( applyWidget, XmNlabelString, btnFilter(), NULL );
    XtVaSetValues( cancelWidget, XmNlabelString, btnCancel(), NULL );
    XtVaSetValues( dirlistLabel, XmNlabelString, lblDirectories(), NULL );
    XtVaSetValues( filterLabel, XmNlabelString, lblFilter(), NULL );
    XtVaSetValues( listLabel, XmNlabelString, lblFiles(), NULL );
    XtVaSetValues( selectionLabel, XmNlabelString, lblSelection(), NULL );

    Widget shell = XtParent(fileSel);

    if ( !m_message.empty() )
        XtVaSetValues(shell,
                      XmNtitle, (const char*)m_message.mb_str(),
                      NULL);

    if (!m_wildCard.empty())
    {
        // return something understandable by Motif
        wxString wildCard = ParseWildCard( m_wildCard );
        wxString filter;
        if (!m_dir.empty())
            filter = m_dir + wxString("/") + wildCard;
        else
            filter = wildCard;

        XmTextSetString(filterWidget, filter.char_str());
        XmFileSelectionDoSearch(fileSel, NULL);
    }

    // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
    // file selector on Solaris 1.5.1.
    if ( !m_dir.empty() )
    {
        wxXmString thePath( m_dir );

        XtVaSetValues (fileSel,
            XmNdirectory, thePath(),
            NULL);
    }

    wxString entirePath;

    if (!m_dir.empty())
    {
        entirePath = m_dir + wxString("/") + m_fileName;
    }
    else
    {
        entirePath = m_fileName;
    }

    if (!entirePath.empty())
    {
        XmTextSetString(selectionWidget, entirePath.char_str());
    }

    XtAddCallback(fileSel, XmNcancelCallback,
                  (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
    XtAddCallback(fileSel, XmNokCallback,
                  (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
    XtAddCallback(fileSel, XmNunmapCallback,
                  (XtCallbackProc)wxFileSelClose, (XtPointer)this);

    //#if XmVersion > 1000
    // I'm not sure about what you mean with XmVersion.
    // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
    // (Motif1.1.4 ==> XmVersion 1100 )
    // Nevertheless, I put here a #define, so anyone can choose in (I)makefile.
    //
#if !DEFAULT_FILE_SELECTOR_SIZE
    int width = wxFSB_WIDTH;
    int height = wxFSB_HEIGHT;
    XtVaSetValues(fileSel,
        XmNwidth, width,
        XmNheight, height,
        XmNresizePolicy, XmRESIZE_NONE,
        NULL);
#endif
    wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
    wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);

    wxChangeListBoxColours(this, dirListWidget);
    wxChangeListBoxColours(this, fileListWidget);

    XtManageChild(fileSel);

    m_fileSelectorAnswer = wxEmptyString;
    m_fileSelectorReturned = false;

    wxEndBusyCursor();

    XtAddGrab(XtParent(fileSel), True, False);
    XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
    XEvent event;
    while (!m_fileSelectorReturned)
    {
        XtAppNextEvent(context, &event);
        XtDispatchEvent(&event);
    }
    XtRemoveGrab(XtParent(fileSel));

    XtUnmapWidget(XtParent(fileSel));
    XtDestroyWidget(XtParent(fileSel));

    // Now process all events, because otherwise
    // this might remain on the screen
    wxFlushEvents(XtDisplay(fileSel));

    m_path = m_fileSelectorAnswer;
    m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
    m_dir = wxPathOnly(m_path);

    if (m_fileName.empty())
        return wxID_CANCEL;
    else
        return wxID_OK;
}