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     wxStringTokenizer tok( wild, _T("|") );
 104
 105     wxCHECK_MSG( tok.CountTokens() <= 2, _T("*.*"), msg );
 106
 107     if( tok.CountTokens() == 1 ) return wild;
 108
 109     // CountTokens == 2
 110     tok.GetNextToken();
 111     wxStringTokenizer tok2( tok.GetNextToken(), _T(";") );
 112
 113     wxCHECK_MSG( tok2.CountTokens() == 1, tok2.GetNextToken(), msg );
 114     return tok2.GetNextToken();
 115 }
 116
 117 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 118                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 119                            long style, const wxPoint& pos)
 120              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos)
 121 {
 122     m_filterIndex = 1;
 123 }
 124
 125 static void wxChangeListBoxColours(wxWindow* WXUNUSED(win), Widget widget)
 126 {
 127     wxDoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 128
 129     // Change colour of the scrolled areas of the listboxes
 130     Widget listParent = XtParent (widget);
 131 #if 0
 132     wxDoChangeBackgroundColour((WXWidget) listParent, *wxWHITE, true);
 133 #endif
 134
 135     Widget hsb = (Widget) 0;
 136     Widget vsb = (Widget) 0;
 137     XtVaGetValues (listParent,
 138         XmNhorizontalScrollBar, &hsb,
 139         XmNverticalScrollBar, &vsb,
 140         NULL);
 141
 142    /* TODO: should scrollbars be affected? Should probably have separate
 143     * function to change them (by default, taken from wxSystemSettings)
 144     */
 145     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 146     wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
 147     wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 148
 149     if (hsb)
 150       XtVaSetValues (hsb,
 151         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
 152         NULL);
 153     if (vsb)
 154       XtVaSetValues (vsb,
 155         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
 156         NULL);
 157 }
 158
 159 int wxFileDialog::ShowModal()
 160 {
 161     wxBeginBusyCursor();
 162
 163     //  static char fileBuf[512];
 164     Widget parentWidget = (Widget) 0;
 165     if (m_parent)
 166         parentWidget = (Widget) m_parent->GetTopWidget();
 167     else
 168         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 169     // prepare the arg list
 170     Arg args[10];
 171     int ac = 0;
 172
 173     wxComputeColours (XtDisplay(parentWidget), & m_backgroundColour,
 174         (wxColour*) NULL);
 175
 176     XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 177     XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 178     XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 179     XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 180
 181
 182     Widget fileSel = XmCreateFileSelectionDialog(parentWidget, "file_selector", args, ac);
 183     XtUnmanageChild(XmFileSelectionBoxGetChild(fileSel, XmDIALOG_HELP_BUTTON));
 184
 185     Widget filterWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_FILTER_TEXT);
 186     Widget selectionWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_TEXT);
 187     Widget dirListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_DIR_LIST);
 188     Widget fileListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_LIST);
 189
 190     // code using these vars disabled
 191 #if 0
 192     Widget okWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_OK_BUTTON);
 193     Widget applyWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_APPLY_BUTTON);
 194     Widget cancelWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_CANCEL_BUTTON);
 195 #endif
 196
 197
 198     Widget shell = XtParent(fileSel);
 199
 200     if (!m_message.IsNull())
 201         XtVaSetValues(shell,
 202                       XmNtitle, wxConstCast(m_message.c_str(), char),
 203                       NULL);
 204
 205     wxString entirePath("");
 206
 207     if ((m_dir != "") && (m_fileName != ""))
 208     {
 209         entirePath = m_dir + wxString("/") + m_fileName;
 210     }
 211     else if ((m_dir != "") && (m_fileName == ""))
 212     {
 213         entirePath = m_dir + wxString("/");
 214     }
 215     else if ((m_dir == "") && (m_fileName != ""))
 216     {
 217         entirePath = m_fileName;
 218     }
 219
 220     if (m_wildCard != "")
 221     {
 222         // return something understandable by Motif
 223         wxString wildCard = ParseWildCard( m_wildCard );
 224         wxString filter;
 225         if (m_dir != "")
 226             filter = m_dir + wxString("/") + wildCard;
 227         else
 228             filter = wildCard;
 229
 230         XmTextSetString(filterWidget, wxConstCast(filter.c_str(), char));
 231         XmFileSelectionDoSearch(fileSel, NULL);
 232     }
 233
 234     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 235     // file selector on Solaris 1.5.1.
 236     if ( m_dir != "" )
 237     {
 238         wxXmString thePath( m_dir );
 239
 240         XtVaSetValues (fileSel,
 241             XmNdirectory, thePath(),
 242             NULL);
 243     }
 244
 245     if (entirePath != "")
 246     {
 247         XmTextSetString(selectionWidget,
 248                         wxConstCast(entirePath.c_str(), char));
 249     }
 250
 251     XtAddCallback(fileSel, XmNcancelCallback, (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 252     XtAddCallback(fileSel, XmNokCallback, (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 253     XtAddCallback(fileSel, XmNunmapCallback,
 254                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 255
 256     //#if XmVersion > 1000
 257     // I'm not sure about what you mean with XmVersion.
 258     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 259     // (Motif1.1.4 ==> XmVersion 1100 )
 260     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile...
 261     //
 262 #if !DEFAULT_FILE_SELECTOR_SIZE
 263     int width = wxFSB_WIDTH;
 264     int height = wxFSB_HEIGHT;
 265     XtVaSetValues(fileSel,
 266         XmNwidth, width,
 267         XmNheight, height,
 268         XmNresizePolicy, XmRESIZE_NONE,
 269         NULL);
 270 #endif
 271     //    wxDoChangeBackgroundColour((WXWidget) fileSel, m_backgroundColour);
 272     wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 273     wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 274
 275     wxChangeListBoxColours(this, dirListWidget);
 276     wxChangeListBoxColours(this, fileListWidget);
 277
 278     XtManageChild(fileSel);
 279
 280     m_fileSelectorAnswer = "";
 281     m_fileSelectorReturned = false;
 282
 283     wxEndBusyCursor();
 284
 285     XtAddGrab(XtParent(fileSel), True, False);
 286     XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
 287     XEvent event;
 288     while (!m_fileSelectorReturned)
 289     {
 290         XtAppNextEvent(context, &event);
 291         XtDispatchEvent(&event);
 292     }
 293     XtRemoveGrab(XtParent(fileSel));
 294
 295     // XmUpdateDisplay((Widget) wxTheApp->GetTopLevelWidget()); // Experimental
 296
 297     Display* display = XtDisplay(fileSel);
 298
 299     XtUnmapWidget(XtParent(fileSel));
 300     XtDestroyWidget(XtParent(fileSel));
 301
 302     // Now process all events, because otherwise
 303     // this might remain on the screen
 304     wxFlushEvents(display);
 305
 306     m_path = m_fileSelectorAnswer;
 307     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 308     m_dir = wxPathOnly(m_path);
 309
 310     if (m_fileName == "")
 311         return wxID_CANCEL;
 312     else
 313         return wxID_OK;
 314 }
 315