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