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
  27 #ifdef __VMS__
  28 #pragma message disable nosimpint
  29 #endif
  30 #include <Xm/Xm.h>
  31 #include <Xm/MwmUtil.h>
  32 #include <Xm/Label.h>
  33 #include <Xm/BulletinB.h>
  34 #include <Xm/Frame.h>
  35 #include <Xm/Text.h>
  36 #include <Xm/DialogS.h>
  37 #include <Xm/FileSB.h>
  38 #include <Xm/RowColumn.h>
  39 #include <Xm/LabelG.h>
  40 #ifdef __VMS__
  41 #pragma message enable nosimpint
  42 #endif
  43
  44 #include "wx/motif/private.h"
  45
  46 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  47
  48 #define DEFAULT_FILE_SELECTOR_SIZE 0
  49 // Let Motif defines the size of File
  50 // Selector Box (if 1), or fix it to
  51 // wxFSB_WIDTH x wxFSB_HEIGHT (if 0)
  52 #define wxFSB_WIDTH                600
  53 #define wxFSB_HEIGHT               500
  54
  55
  56 wxString wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  57 bool wxFileDialog::m_fileSelectorReturned = false;
  58
  59 static void wxFileSelClose(Widget WXUNUSED(w),
  60                            void* WXUNUSED(client_data),
  61                            XmAnyCallbackStruct *WXUNUSED(call_data))
  62 {
  63     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  64     wxFileDialog::m_fileSelectorReturned = true;
  65 }
  66
  67 void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data),
  68                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
  69 {
  70     wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  71     wxFileDialog::m_fileSelectorReturned = true;
  72 }
  73
  74 void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
  75 {
  76     char *filename = NULL;
  77     if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
  78         wxFileDialog::m_fileSelectorAnswer = wxEmptyString;
  79         wxFileDialog::m_fileSelectorReturned = true;
  80     } else {
  81         if (filename) {
  82             wxFileDialog::m_fileSelectorAnswer = filename;
  83             XtFree(filename);
  84         }
  85         wxFileDialog::m_fileSelectorReturned = true;
  86     }
  87 }
  88
  89 static wxString ParseWildCard( const wxString& wild )
  90 {
  91 #if wxDEBUG_LEVEL
  92     static const char *msg =
  93         "Motif file dialog does not understand this wildcard syntax";
  94 #endif
  95
  96     wxArrayString wildDescriptions, wildFilters;
  97     const size_t count = wxParseCommonDialogsFilter(wild,
  98                                                     wildDescriptions,
  99                                                     wildFilters);
 100     wxCHECK_MSG( count, _T("*.*"), wxT("wxFileDialog: bad wildcard string") );
 101     wxCHECK_MSG( count == 1, _T("*.*"), msg );
 102
 103     // check for *.txt;*.rtf
 104     wxStringTokenizer tok2( wildFilters[0], _T(";") );
 105     wxString wildcard = tok2.GetNextToken();
 106
 107     wxCHECK_MSG( tok2.CountTokens() <= 1, wildcard, msg );
 108     return wildcard;
 109 }
 110
 111 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 112                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 113                            long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 114              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 115 {
 116     m_filterIndex = 1;
 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     wxBeginBusyCursor();
 156
 157     //  static char fileBuf[512];
 158     Widget parentWidget = (Widget) 0;
 159     if (m_parent)
 160         parentWidget = (Widget) m_parent->GetTopWidget();
 161     else
 162         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 163     // prepare the arg list
 164     Display* dpy = XtDisplay(parentWidget);
 165     Arg args[10];
 166     int ac = 0;
 167
 168     if (m_backgroundColour.Ok())
 169     {
 170         wxComputeColours (dpy, & m_backgroundColour, NULL);
 171
 172         XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 173         XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 174         XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 175         XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 176     }
 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, (const char*)m_message.mb_str(),
 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, filter.char_str());
 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, entirePath.char_str());
 275     }
 276
 277     XtAddCallback(fileSel, XmNcancelCallback,
 278                   (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 279     XtAddCallback(fileSel, XmNokCallback,
 280                   (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 281     XtAddCallback(fileSel, XmNunmapCallback,
 282                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 283
 284     //#if XmVersion > 1000
 285     // I'm not sure about what you mean with XmVersion.
 286     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 287     // (Motif1.1.4 ==> XmVersion 1100 )
 288     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile.
 289     //
 290 #if !DEFAULT_FILE_SELECTOR_SIZE
 291     int width = wxFSB_WIDTH;
 292     int height = wxFSB_HEIGHT;
 293     XtVaSetValues(fileSel,
 294         XmNwidth, width,
 295         XmNheight, height,
 296         XmNresizePolicy, XmRESIZE_NONE,
 297         NULL);
 298 #endif
 299     wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 300     wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 301
 302     wxChangeListBoxColours(this, dirListWidget);
 303     wxChangeListBoxColours(this, fileListWidget);
 304
 305     XtManageChild(fileSel);
 306
 307     m_fileSelectorAnswer = wxEmptyString;
 308     m_fileSelectorReturned = false;
 309
 310     wxEndBusyCursor();
 311
 312     XtAddGrab(XtParent(fileSel), True, False);
 313     XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
 314     XEvent event;
 315     while (!m_fileSelectorReturned)
 316     {
 317         XtAppNextEvent(context, &event);
 318         XtDispatchEvent(&event);
 319     }
 320     XtRemoveGrab(XtParent(fileSel));
 321
 322     XtUnmapWidget(XtParent(fileSel));
 323     XtDestroyWidget(XtParent(fileSel));
 324
 325     // Now process all events, because otherwise
 326     // this might remain on the screen
 327     wxFlushEvents(XtDisplay(fileSel));
 328
 329     m_path = m_fileSelectorAnswer;
 330     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 331     m_dir = wxPathOnly(m_path);
 332
 333     if (m_fileName.empty())
 334         return wxID_CANCEL;
 335     else
 336         return wxID_OK;
 337 }