src/motif/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/filedlg.cpp
   3 // Purpose:     wxFileDialog
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __VMS
  16 #define XtDisplay XTDISPLAY
  17 #define XtParent XTPARENT
  18 #define XtWindow XTWINDOW
  19 #endif
  20
  21 #include "wx/filedlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/intl.h"
  25     #include "wx/app.h"
  26     #include "wx/utils.h"
  27     #include "wx/settings.h"
  28 #endif
  29
  30 #include "wx/tokenzr.h"
  31 #include "wx/stockitem.h"
  32
  33 #ifdef __VMS__
  34 #pragma message disable nosimpint
  35 #endif
  36 #include <Xm/Xm.h>
  37 #include <Xm/MwmUtil.h>
  38 #include <Xm/Label.h>
  39 #include <Xm/BulletinB.h>
  40 #include <Xm/Frame.h>
  41 #include <Xm/Text.h>
  42 #include <Xm/DialogS.h>
  43 #include <Xm/FileSB.h>
  44 #include <Xm/RowColumn.h>
  45 #include <Xm/LabelG.h>
  46 #ifdef __VMS__
  47 #pragma message enable nosimpint
  48 #endif
  49
  50 #include "wx/motif/private.h"
  51
  52 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  53
  54 #define DEFAULT_FILE_SELECTOR_SIZE 0
  55 // Let Motif defines the size of File
  56 // Selector Box (if 1), or fix it to
  57 // wxFSB_WIDTH x wxFSB_HEIGHT (if 0)
  58 #define wxFSB_WIDTH                600
  59 #define wxFSB_HEIGHT               500
  60
  61
  62 wxString wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  63 bool wxFileDialog::m_fileSelectorReturned = false;
  64
  65 static void wxFileSelClose(Widget WXUNUSED(w),
  66                            void* WXUNUSED(client_data),
  67                            XmAnyCallbackStruct *WXUNUSED(call_data))
  68 {
  69     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  70     wxFileDialog::m_fileSelectorReturned = true;
  71 }
  72
  73 void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data),
  74                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
  75 {
  76     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  77     wxFileDialog::m_fileSelectorReturned = true;
  78 }
  79
  80 void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
  81 {
  82     char *filename = NULL;
  83     if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
  84         wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  85         wxFileDialog::m_fileSelectorReturned = true;
  86     } else {
  87         if (filename) {
  88             wxFileDialog::m_fileSelectorAnswer = filename;
  89             XtFree(filename);
  90         }
  91         wxFileDialog::m_fileSelectorReturned = true;
  92     }
  93 }
  94
  95 static wxString ParseWildCard( const wxString& wild )
  96 {
  97 #ifdef __WXDEBUG__
  98     static const wxChar* msg =
  99         _T("Motif file dialog does not understand this ")
 100         _T("wildcard syntax");
 101 #endif
 102
 103     wxArrayString wildDescriptions, wildFilters;
 104     const size_t count = wxParseCommonDialogsFilter(wild,
 105                                                     wildDescriptions,
 106                                                     wildFilters);
 107     wxCHECK_MSG( count, _T("*.*"), wxT("wxFileDialog: bad wildcard string") );
 108     wxCHECK_MSG( count == 1, _T("*.*"), msg );
 109
 110     // check for *.txt;*.rtf
 111     wxStringTokenizer tok2( wildFilters[0], _T(";") );
 112     wxString wildcard = tok2.GetNextToken();
 113
 114     wxCHECK_MSG( tok2.CountTokens() <= 1, wildcard, msg );
 115     return wildcard;
 116 }
 117
 118 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 119                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 120                            long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 121              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 122 {
 123     m_filterIndex = 1;
 124 }
 125
 126 static void wxChangeListBoxColours(wxWindow* WXUNUSED(win), Widget widget)
 127 {
 128     wxDoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 129
 130     // Change colour of the scrolled areas of the listboxes
 131     Widget listParent = XtParent (widget);
 132 #if 0
 133     wxDoChangeBackgroundColour((WXWidget) listParent, *wxWHITE, true);
 134 #endif
 135
 136     Widget hsb = (Widget) 0;
 137     Widget vsb = (Widget) 0;
 138     XtVaGetValues (listParent,
 139         XmNhorizontalScrollBar, &hsb,
 140         XmNverticalScrollBar, &vsb,
 141         NULL);
 142
 143    /* TODO: should scrollbars be affected? Should probably have separate
 144     * function to change them (by default, taken from wxSystemSettings)
 145     */
 146     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 147     wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
 148     wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 149
 150     if (hsb)
 151       XtVaSetValues (hsb,
 152         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
 153         NULL);
 154     if (vsb)
 155       XtVaSetValues (vsb,
 156         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
 157         NULL);
 158 }
 159
 160 int wxFileDialog::ShowModal()
 161 {
 162     wxBeginBusyCursor();
 163
 164     //  static char fileBuf[512];
 165     Widget parentWidget = (Widget) 0;
 166     if (m_parent)
 167         parentWidget = (Widget) m_parent->GetTopWidget();
 168     else
 169         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 170     // prepare the arg list
 171     Display* dpy = XtDisplay(parentWidget);
 172     Arg args[10];
 173     int ac = 0;
 174
 175     if (m_backgroundColour.Ok())
 176     {
 177         wxComputeColours (dpy, & m_backgroundColour, (wxColour*) NULL);
 178
 179         XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 180         XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 181         XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 182         XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 183     }
 184
 185     wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 186
 187 #if __WXMOTIF20__ && !__WXLESSTIF__
 188     XtSetArg(args[ac], XmNbuttonRenderTable, font.GetFontTypeC(dpy)); ac++;
 189     XtSetArg(args[ac], XmNlabelRenderTable, font.GetFontTypeC(dpy)); ac++;
 190     XtSetArg(args[ac], XmNtextRenderTable, font.GetFontTypeC(dpy)); ac++;
 191 #else
 192     XtSetArg(args[ac], XmNbuttonFontList, font.GetFontTypeC(dpy)); ac++;
 193     XtSetArg(args[ac], XmNlabelFontList, font.GetFontTypeC(dpy)); ac++;
 194     XtSetArg(args[ac], XmNtextFontList, font.GetFontTypeC(dpy)); ac++;
 195 #endif
 196
 197     Widget fileSel = XmCreateFileSelectionDialog(parentWidget,
 198                                                  wxMOTIF_STR("file_selector"),
 199                                                  args, ac);
 200 #define wxFSChild( name ) \
 201     XmFileSelectionBoxGetChild(fileSel, name)
 202
 203     XtUnmanageChild(wxFSChild(XmDIALOG_HELP_BUTTON));
 204
 205     Widget filterWidget = wxFSChild(XmDIALOG_FILTER_TEXT);
 206     Widget selectionWidget = wxFSChild(XmDIALOG_TEXT);
 207     Widget dirListWidget = wxFSChild(XmDIALOG_DIR_LIST);
 208     Widget fileListWidget = wxFSChild(XmDIALOG_LIST);
 209
 210     // for changing labels
 211     Widget okWidget = wxFSChild(XmDIALOG_OK_BUTTON);
 212     Widget applyWidget = wxFSChild(XmDIALOG_APPLY_BUTTON);
 213     Widget cancelWidget = wxFSChild(XmDIALOG_CANCEL_BUTTON);
 214     Widget dirlistLabel = wxFSChild(XmDIALOG_DIR_LIST_LABEL);
 215     Widget filterLabel = wxFSChild(XmDIALOG_FILTER_LABEL);
 216     Widget listLabel = wxFSChild(XmDIALOG_LIST_LABEL);
 217     Widget selectionLabel = wxFSChild(XmDIALOG_SELECTION_LABEL);
 218
 219 #undef wxFSChild
 220
 221     // change labels
 222     wxXmString btnOK( wxGetStockLabel( wxID_OK, false ) ),
 223                btnCancel( wxGetStockLabel( wxID_CANCEL, false ) ),
 224                btnFilter( _("Filter") ), lblFilter( _("Filter") ),
 225                lblDirectories( _("Directories") ),
 226                lblFiles( _("Files" ) ), lblSelection( _("Selection") );
 227
 228     XtVaSetValues( okWidget, XmNlabelString, btnOK(), NULL );
 229     XtVaSetValues( applyWidget, XmNlabelString, btnFilter(), NULL );
 230     XtVaSetValues( cancelWidget, XmNlabelString, btnCancel(), NULL );
 231     XtVaSetValues( dirlistLabel, XmNlabelString, lblDirectories(), NULL );
 232     XtVaSetValues( filterLabel, XmNlabelString, lblFilter(), NULL );
 233     XtVaSetValues( listLabel, XmNlabelString, lblFiles(), NULL );
 234     XtVaSetValues( selectionLabel, XmNlabelString, lblSelection(), NULL );
 235
 236     Widget shell = XtParent(fileSel);
 237
 238     if (!m_message.IsNull())
 239         XtVaSetValues(shell,
 240                       XmNtitle, wxConstCast(m_message.mb_str(), char),
 241                       NULL);
 242
 243     if (!m_wildCard.empty())
 244     {
 245         // return something understandable by Motif
 246         wxString wildCard = ParseWildCard( m_wildCard );
 247         wxString filter;
 248         if (!m_dir.empty())
 249             filter = m_dir + wxString("/") + wildCard;
 250         else
 251             filter = wildCard;
 252
 253         XmTextSetString(filterWidget, wxConstCast(filter.mb_str(), char));
 254         XmFileSelectionDoSearch(fileSel, NULL);
 255     }
 256
 257     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 258     // file selector on Solaris 1.5.1.
 259     if ( !m_dir.empty() )
 260     {
 261         wxXmString thePath( m_dir );
 262
 263         XtVaSetValues (fileSel,
 264             XmNdirectory, thePath(),
 265             NULL);
 266     }
 267
 268     wxString entirePath;
 269
 270     if (!m_dir.empty())
 271     {
 272         entirePath = m_dir + wxString("/") + m_fileName;
 273     }
 274     else
 275     {
 276         entirePath = m_fileName;
 277     }
 278
 279     if (!entirePath.empty())
 280     {
 281         XmTextSetString(selectionWidget,
 282                         wxConstCast(entirePath.mb_str(), char));
 283     }
 284
 285     XtAddCallback(fileSel, XmNcancelCallback,
 286                   (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 287     XtAddCallback(fileSel, XmNokCallback,
 288                   (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 289     XtAddCallback(fileSel, XmNunmapCallback,
 290                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 291
 292     //#if XmVersion > 1000
 293     // I'm not sure about what you mean with XmVersion.
 294     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 295     // (Motif1.1.4 ==> XmVersion 1100 )
 296     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile.
 297     //
 298 #if !DEFAULT_FILE_SELECTOR_SIZE
 299     int width = wxFSB_WIDTH;
 300     int height = wxFSB_HEIGHT;
 301     XtVaSetValues(fileSel,
 302         XmNwidth, width,
 303         XmNheight, height,
 304         XmNresizePolicy, XmRESIZE_NONE,
 305         NULL);
 306 #endif
 307     wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 308     wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 309
 310     wxChangeListBoxColours(this, dirListWidget);
 311     wxChangeListBoxColours(this, fileListWidget);
 312
 313     XtManageChild(fileSel);
 314
 315     m_fileSelectorAnswer = wxEmptyString;
 316     m_fileSelectorReturned = false;
 317
 318     wxEndBusyCursor();
 319
 320     XtAddGrab(XtParent(fileSel), True, False);
 321     XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
 322     XEvent event;
 323     while (!m_fileSelectorReturned)
 324     {
 325         XtAppNextEvent(context, &event);
 326         XtDispatchEvent(&event);
 327     }
 328     XtRemoveGrab(XtParent(fileSel));
 329
 330     XtUnmapWidget(XtParent(fileSel));
 331     XtDestroyWidget(XtParent(fileSel));
 332
 333     // Now process all events, because otherwise
 334     // this might remain on the screen
 335     wxFlushEvents(XtDisplay(fileSel));
 336
 337     m_path = m_fileSelectorAnswer;
 338     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 339     m_dir = wxPathOnly(m_path);
 340
 341     if (m_fileName.empty())
 342         return wxID_CANCEL;
 343     else
 344         return wxID_OK;
 345 }