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 #include "wx/filedlg.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/app.h"
  20     #include "wx/utils.h"
  21     #include "wx/settings.h"
  22 #endif
  23
  24 #include "wx/tokenzr.h"
  25 #include "wx/stockitem.h"
  26 #include "wx/modalhook.h"
  27
  28 #ifdef __VMS__
  29 #pragma message disable nosimpint
  30 #endif
  31 #include <Xm/Xm.h>
  32 #include <Xm/MwmUtil.h>
  33 #include <Xm/Label.h>
  34 #include <Xm/BulletinB.h>
  35 #include <Xm/Frame.h>
  36 #include <Xm/Text.h>
  37 #include <Xm/DialogS.h>
  38 #include <Xm/FileSB.h>
  39 #include <Xm/RowColumn.h>
  40 #include <Xm/LabelG.h>
  41 #ifdef __VMS__
  42 #pragma message enable nosimpint
  43 #endif
  44
  45 #include "wx/motif/private.h"
  46
  47 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  48
  49 #define DEFAULT_FILE_SELECTOR_SIZE 0
  50 // Let Motif defines the size of File
  51 // Selector Box (if 1), or fix it to
  52 // wxFSB_WIDTH x wxFSB_HEIGHT (if 0)
  53 #define wxFSB_WIDTH                600
  54 #define wxFSB_HEIGHT               500
  55
  56
  57 wxString wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  58 bool wxFileDialog::m_fileSelectorReturned = false;
  59
  60 static void wxFileSelClose(Widget WXUNUSED(w),
  61                            void* WXUNUSED(client_data),
  62                            XmAnyCallbackStruct *WXUNUSED(call_data))
  63 {
  64     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  65     wxFileDialog::m_fileSelectorReturned = true;
  66 }
  67
  68 void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data),
  69                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
  70 {
  71     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  72     wxFileDialog::m_fileSelectorReturned = true;
  73 }
  74
  75 void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
  76 {
  77     char *filename = NULL;
  78     if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
  79         wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  80         wxFileDialog::m_fileSelectorReturned = true;
  81     } else {
  82         if (filename) {
  83             wxFileDialog::m_fileSelectorAnswer = filename;
  84             XtFree(filename);
  85         }
  86         wxFileDialog::m_fileSelectorReturned = true;
  87     }
  88 }
  89
  90 static wxString ParseWildCard( const wxString& wild )
  91 {
  92 #if wxDEBUG_LEVEL
  93     static const char *msg =
  94         "Motif file dialog does not understand this wildcard syntax";
  95 #endif
  96
  97     wxArrayString wildDescriptions, wildFilters;
  98     const size_t count = wxParseCommonDialogsFilter(wild,
  99                                                     wildDescriptions,
 100                                                     wildFilters);
 101     wxCHECK_MSG( count, wxT("*.*"), wxT("wxFileDialog: bad wildcard string") );
 102     wxCHECK_MSG( count == 1, wxT("*.*"), msg );
 103
 104     // check for *.txt;*.rtf
 105     wxStringTokenizer tok2( wildFilters[0], wxT(";") );
 106     wxString wildcard = tok2.GetNextToken();
 107
 108     wxCHECK_MSG( tok2.CountTokens() <= 1, wildcard, msg );
 109     return wildcard;
 110 }
 111
 112 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 113                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 114                            long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 115              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 116 {
 117 }
 118
 119 static void wxChangeListBoxColours(wxWindow* WXUNUSED(win), Widget widget)
 120 {
 121     wxDoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 122
 123     // Change colour of the scrolled areas of the listboxes
 124     Widget listParent = XtParent (widget);
 125 #if 0
 126     wxDoChangeBackgroundColour((WXWidget) listParent, *wxWHITE, true);
 127 #endif
 128
 129     Widget hsb = (Widget) 0;
 130     Widget vsb = (Widget) 0;
 131     XtVaGetValues (listParent,
 132         XmNhorizontalScrollBar, &hsb,
 133         XmNverticalScrollBar, &vsb,
 134         NULL);
 135
 136    /* TODO: should scrollbars be affected? Should probably have separate
 137     * function to change them (by default, taken from wxSystemSettings)
 138     */
 139     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 140     wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
 141     wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 142
 143     if (hsb)
 144       XtVaSetValues (hsb,
 145         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
 146         NULL);
 147     if (vsb)
 148       XtVaSetValues (vsb,
 149         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
 150         NULL);
 151 }
 152
 153 int wxFileDialog::ShowModal()
 154 {
 155     WX_HOOK_MODAL_DIALOG();
 156
 157     wxBeginBusyCursor();
 158
 159     //  static char fileBuf[512];
 160     Widget parentWidget = (Widget) 0;
 161     if (m_parent)
 162         parentWidget = (Widget) m_parent->GetTopWidget();
 163     else
 164         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 165     // prepare the arg list
 166     Display* dpy = XtDisplay(parentWidget);
 167     Arg args[10];
 168     int ac = 0;
 169
 170     if (m_backgroundColour.IsOk())
 171     {
 172         wxComputeColours (dpy, & m_backgroundColour, 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
 180     wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 181
 182 #if __WXMOTIF20__ && !__WXLESSTIF__
 183     XtSetArg(args[ac], XmNbuttonRenderTable, font.GetFontTypeC(dpy)); ac++;
 184     XtSetArg(args[ac], XmNlabelRenderTable, font.GetFontTypeC(dpy)); ac++;
 185     XtSetArg(args[ac], XmNtextRenderTable, font.GetFontTypeC(dpy)); ac++;
 186 #else
 187     XtSetArg(args[ac], XmNbuttonFontList, font.GetFontTypeC(dpy)); ac++;
 188     XtSetArg(args[ac], XmNlabelFontList, font.GetFontTypeC(dpy)); ac++;
 189     XtSetArg(args[ac], XmNtextFontList, font.GetFontTypeC(dpy)); ac++;
 190 #endif
 191
 192     Widget fileSel = XmCreateFileSelectionDialog(parentWidget,
 193                                                  wxMOTIF_STR("file_selector"),
 194                                                  args, ac);
 195 #define wxFSChild( name ) \
 196     XmFileSelectionBoxGetChild(fileSel, name)
 197
 198     XtUnmanageChild(wxFSChild(XmDIALOG_HELP_BUTTON));
 199
 200     Widget filterWidget = wxFSChild(XmDIALOG_FILTER_TEXT);
 201     Widget selectionWidget = wxFSChild(XmDIALOG_TEXT);
 202     Widget dirListWidget = wxFSChild(XmDIALOG_DIR_LIST);
 203     Widget fileListWidget = wxFSChild(XmDIALOG_LIST);
 204
 205     // for changing labels
 206     Widget okWidget = wxFSChild(XmDIALOG_OK_BUTTON);
 207     Widget applyWidget = wxFSChild(XmDIALOG_APPLY_BUTTON);
 208     Widget cancelWidget = wxFSChild(XmDIALOG_CANCEL_BUTTON);
 209     Widget dirlistLabel = wxFSChild(XmDIALOG_DIR_LIST_LABEL);
 210     Widget filterLabel = wxFSChild(XmDIALOG_FILTER_LABEL);
 211     Widget listLabel = wxFSChild(XmDIALOG_LIST_LABEL);
 212     Widget selectionLabel = wxFSChild(XmDIALOG_SELECTION_LABEL);
 213
 214 #undef wxFSChild
 215
 216     // change labels
 217     wxXmString btnOK( wxGetStockLabel( wxID_OK, false ) ),
 218                btnCancel( wxGetStockLabel( wxID_CANCEL, false ) ),
 219                btnFilter( _("Filter") ), lblFilter( _("Filter") ),
 220                lblDirectories( _("Directories") ),
 221                lblFiles( _("Files" ) ), lblSelection( _("Selection") );
 222
 223     XtVaSetValues( okWidget, XmNlabelString, btnOK(), NULL );
 224     XtVaSetValues( applyWidget, XmNlabelString, btnFilter(), NULL );
 225     XtVaSetValues( cancelWidget, XmNlabelString, btnCancel(), NULL );
 226     XtVaSetValues( dirlistLabel, XmNlabelString, lblDirectories(), NULL );
 227     XtVaSetValues( filterLabel, XmNlabelString, lblFilter(), NULL );
 228     XtVaSetValues( listLabel, XmNlabelString, lblFiles(), NULL );
 229     XtVaSetValues( selectionLabel, XmNlabelString, lblSelection(), NULL );
 230
 231     Widget shell = XtParent(fileSel);
 232
 233     if ( !m_message.empty() )
 234         XtVaSetValues(shell,
 235                       XmNtitle, (const char*)m_message.mb_str(),
 236                       NULL);
 237
 238     if (!m_wildCard.empty())
 239     {
 240         // return something understandable by Motif
 241         wxString wildCard = ParseWildCard( m_wildCard );
 242         wxString filter;
 243         if (!m_dir.empty())
 244             filter = m_dir + wxString("/") + wildCard;
 245         else
 246             filter = wildCard;
 247
 248         XmTextSetString(filterWidget, filter.char_str());
 249         XmFileSelectionDoSearch(fileSel, NULL);
 250     }
 251
 252     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 253     // file selector on Solaris 1.5.1.
 254     if ( !m_dir.empty() )
 255     {
 256         wxXmString thePath( m_dir );
 257
 258         XtVaSetValues (fileSel,
 259             XmNdirectory, thePath(),
 260             NULL);
 261     }
 262
 263     wxString entirePath;
 264
 265     if (!m_dir.empty())
 266     {
 267         entirePath = m_dir + wxString("/") + m_fileName;
 268     }
 269     else
 270     {
 271         entirePath = m_fileName;
 272     }
 273
 274     if (!entirePath.empty())
 275     {
 276         XmTextSetString(selectionWidget, entirePath.char_str());
 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 }