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