src/motif/filedlg.cpp

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