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