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 #ifdef __GNUG__
  13 #pragma implementation "filedlg.h"
  14 #endif
  15
  16 #ifdef __VMS
  17 #define XtDisplay XTDISPLAY
  18 #define XtParent XTPARENT
  19 #define XtWindow XTWINDOW
  20 #endif
  21
  22 #include "wx/defs.h"
  23 #include "wx/utils.h"
  24 #include "wx/dialog.h"
  25 #include "wx/filedlg.h"
  26 #include "wx/intl.h"
  27 #include "wx/app.h"
  28 #include "wx/settings.h"
  29 #include "wx/tokenzr.h"
  30
  31 #ifdef __VMS__
  32 #pragma message disable nosimpint
  33 #endif
  34 #include <Xm/Xm.h>
  35 #include <Xm/MwmUtil.h>
  36 #include <Xm/Label.h>
  37 #include <Xm/BulletinB.h>
  38 #include <Xm/Frame.h>
  39 #include <Xm/Text.h>
  40 #include <Xm/DialogS.h>
  41 #include <Xm/FileSB.h>
  42 #include <Xm/RowColumn.h>
  43 #include <Xm/LabelG.h>
  44 #ifdef __VMS__
  45 #pragma message enable nosimpint
  46 #endif
  47
  48 #include "wx/motif/private.h"
  49
  50 IMPLEMENT_CLASS(wxFileDialog, wxDialog)
  51
  52 #define DEFAULT_FILE_SELECTOR_SIZE 0
  53 // Let Motif defines the size of File
  54 // Selector Box (if 1), or fix it to
  55 // wxFSB_WIDTH x wxFSB_HEIGHT (if 0)
  56 #define wxFSB_WIDTH                600
  57 #define wxFSB_HEIGHT               500
  58
  59
  60 wxString wxFileSelector(const char *title,
  61                      const char *defaultDir, const char *defaultFileName,
  62                      const char *defaultExtension, const char *filter, int flags,
  63                      wxWindow *parent, int x, int y)
  64 {
  65     // If there's a default extension specified but no filter, we create a suitable
  66     // filter.
  67
  68     wxString filter2("");
  69     if ( defaultExtension && !filter )
  70         filter2 = wxString("*.") + wxString(defaultExtension) ;
  71     else if ( filter )
  72         filter2 = filter;
  73
  74     wxString defaultDirString;
  75     if (defaultDir)
  76         defaultDirString = defaultDir;
  77     else
  78         defaultDirString = "";
  79
  80     wxString defaultFilenameString;
  81     if (defaultFileName)
  82         defaultFilenameString = defaultFileName;
  83     else
  84         defaultFilenameString = "";
  85
  86     wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y));
  87
  88     if ( fileDialog.ShowModal() == wxID_OK )
  89     {
  90         return fileDialog.GetPath();
  91     }
  92     else
  93         return wxEmptyString;
  94 }
  95
  96 wxString wxFileSelectorEx(const char *title,
  97                        const char *defaultDir,
  98                        const char *defaultFileName,
  99                        int* defaultFilterIndex,
 100                        const char *filter,
 101                        int       flags,
 102                        wxWindow* parent,
 103                        int       x,
 104                        int       y)
 105
 106 {
 107     wxFileDialog fileDialog(parent, title ? title : "", defaultDir ? defaultDir : "",
 108         defaultFileName ? defaultFileName : "", filter ? filter : "", flags, wxPoint(x, y));
 109
 110     if ( fileDialog.ShowModal() == wxID_OK )
 111     {
 112         *defaultFilterIndex = fileDialog.GetFilterIndex();
 113         return fileDialog.GetPath();
 114     }
 115     else
 116         return wxEmptyString;
 117 }
 118
 119 wxString wxFileDialog::m_fileSelectorAnswer = "";
 120 bool wxFileDialog::m_fileSelectorReturned = FALSE;
 121
 122 static void wxFileSelClose(Widget WXUNUSED(w),
 123                            void* WXUNUSED(client_data),
 124                            XmAnyCallbackStruct *WXUNUSED(call_data))
 125 {
 126     wxFileDialog::m_fileSelectorAnswer = "";
 127     wxFileDialog::m_fileSelectorReturned = TRUE;
 128 }
 129
 130 void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data),
 131                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
 132 {
 133     wxFileDialog::m_fileSelectorAnswer = "";
 134     wxFileDialog::m_fileSelectorReturned = TRUE;
 135 }
 136
 137 void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
 138 {
 139     char *filename = NULL;
 140     if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
 141         wxFileDialog::m_fileSelectorAnswer = "";
 142         wxFileDialog::m_fileSelectorReturned = TRUE;
 143     } else {
 144         if (filename) {
 145             wxFileDialog::m_fileSelectorAnswer = filename;
 146             XtFree(filename);
 147         }
 148         wxFileDialog::m_fileSelectorReturned = TRUE;
 149     }
 150 }
 151
 152 static wxString ParseWildCard( const wxString& wild )
 153 {
 154 #ifdef __WXDEBUG__
 155     static const wxChar* msg =
 156         _T("Motif file dialog does not understand this ")
 157         _T("wildcard syntax");
 158 #endif
 159
 160     wxStringTokenizer tok( wild, _T("|") );
 161
 162     wxCHECK_MSG( tok.CountTokens() <= 2, _T("*.*"), msg );
 163
 164     if( tok.CountTokens() == 1 ) return wild;
 165
 166     // CountTokens == 2
 167     tok.GetNextToken();
 168     wxStringTokenizer tok2( tok.GetNextToken(), _T(";") );
 169
 170     wxCHECK_MSG( tok2.CountTokens() == 1, tok2.GetNextToken(), msg );
 171     return tok2.GetNextToken();
 172 }
 173
 174 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 175                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 176                            long style, const wxPoint& pos)
 177 {
 178     m_message = message;
 179     m_dialogStyle = style;
 180     m_parent = parent;
 181     m_path = "";
 182     m_fileName = defaultFileName;
 183     m_dir = defaultDir;
 184     m_wildCard = wildCard;
 185     m_filterIndex = 1;
 186     m_pos = pos;
 187 }
 188
 189 static void wxChangeListBoxColours(wxWindow* WXUNUSED(win), Widget widget)
 190 {
 191     wxDoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 192
 193     // Change colour of the scrolled areas of the listboxes
 194     Widget listParent = XtParent (widget);
 195 #if 0
 196     wxDoChangeBackgroundColour((WXWidget) listParent, *wxWHITE, TRUE);
 197 #endif
 198
 199     Widget hsb = (Widget) 0;
 200     Widget vsb = (Widget) 0;
 201     XtVaGetValues (listParent,
 202         XmNhorizontalScrollBar, &hsb,
 203         XmNverticalScrollBar, &vsb,
 204         NULL);
 205
 206    /* TODO: should scrollbars be affected? Should probably have separate
 207     * function to change them (by default, taken from wxSystemSettings)
 208     */
 209     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 210     wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
 211     wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
 212
 213     if (hsb)
 214       XtVaSetValues (hsb,
 215         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
 216         NULL);
 217     if (vsb)
 218       XtVaSetValues (vsb,
 219         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
 220         NULL);
 221 }
 222
 223 int wxFileDialog::ShowModal()
 224 {
 225     wxBeginBusyCursor();
 226
 227     //  static char fileBuf[512];
 228     Widget parentWidget = (Widget) 0;
 229     if (m_parent)
 230         parentWidget = (Widget) m_parent->GetTopWidget();
 231     else
 232         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 233     // prepare the arg list
 234     Arg args[10];
 235     int ac = 0;
 236
 237     wxComputeColours (XtDisplay(parentWidget), & m_backgroundColour,
 238         (wxColour*) NULL);
 239
 240     XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 241     XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 242     XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 243     XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 244
 245
 246     Widget fileSel = XmCreateFileSelectionDialog(parentWidget, "file_selector", args, ac);
 247     XtUnmanageChild(XmFileSelectionBoxGetChild(fileSel, XmDIALOG_HELP_BUTTON));
 248
 249     Widget filterWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_FILTER_TEXT);
 250     Widget selectionWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_TEXT);
 251     Widget dirListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_DIR_LIST);
 252     Widget fileListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_LIST);
 253
 254     // code using these vars disabled
 255 #if 0
 256     Widget okWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_OK_BUTTON);
 257     Widget applyWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_APPLY_BUTTON);
 258     Widget cancelWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_CANCEL_BUTTON);
 259 #endif
 260
 261
 262     Widget shell = XtParent(fileSel);
 263
 264     if (!m_message.IsNull())
 265         XtVaSetValues(shell,
 266                       XmNtitle, wxConstCast(m_message.c_str(), char),
 267                       NULL);
 268
 269     wxString entirePath("");
 270
 271     if ((m_dir != "") && (m_fileName != ""))
 272     {
 273         entirePath = m_dir + wxString("/") + m_fileName;
 274     }
 275     else if ((m_dir != "") && (m_fileName == ""))
 276     {
 277         entirePath = m_dir + wxString("/");
 278     }
 279     else if ((m_dir == "") && (m_fileName != ""))
 280     {
 281         entirePath = m_fileName;
 282     }
 283
 284     if (m_wildCard != "")
 285     {
 286         // return something understandable by Motif
 287         wxString wildCard = ParseWildCard( m_wildCard );
 288         wxString filter;
 289         if (m_dir != "")
 290             filter = m_dir + wxString("/") + wildCard;
 291         else
 292             filter = wildCard;
 293
 294         XmTextSetString(filterWidget, wxConstCast(filter.c_str(), char));
 295         XmFileSelectionDoSearch(fileSel, NULL);
 296     }
 297
 298     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 299     // file selector on Solaris 1.5.1.
 300     if ( m_dir != "" )
 301     {
 302         wxXmString thePath( m_dir );
 303
 304         XtVaSetValues (fileSel,
 305             XmNdirectory, thePath(),
 306             NULL);
 307     }
 308
 309     if (entirePath != "")
 310     {
 311         XmTextSetString(selectionWidget,
 312                         wxConstCast(entirePath.c_str(), char));
 313     }
 314
 315     XtAddCallback(fileSel, XmNcancelCallback, (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 316     XtAddCallback(fileSel, XmNokCallback, (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 317     XtAddCallback(fileSel, XmNunmapCallback,
 318                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 319
 320     //#if XmVersion > 1000
 321     // I'm not sure about what you mean with XmVersion.
 322     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 323     // (Motif1.1.4 ==> XmVersion 1100 )
 324     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile...
 325     //
 326 #if !DEFAULT_FILE_SELECTOR_SIZE
 327     int width = wxFSB_WIDTH;
 328     int height = wxFSB_HEIGHT;
 329     XtVaSetValues(fileSel,
 330         XmNwidth, width,
 331         XmNheight, height,
 332         XmNresizePolicy, XmRESIZE_NONE,
 333         NULL);
 334 #endif
 335     //    wxDoChangeBackgroundColour((WXWidget) fileSel, m_backgroundColour);
 336     wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 337     wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 338
 339     wxChangeListBoxColours(this, dirListWidget);
 340     wxChangeListBoxColours(this, fileListWidget);
 341
 342     XtManageChild(fileSel);
 343
 344     m_fileSelectorAnswer = "";
 345     m_fileSelectorReturned = FALSE;
 346
 347     wxEndBusyCursor();
 348
 349     XtAddGrab(XtParent(fileSel), TRUE, FALSE);
 350     XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
 351     XEvent event;
 352     while (!m_fileSelectorReturned)
 353     {
 354         XtAppNextEvent(context, &event);
 355         XtDispatchEvent(&event);
 356     }
 357     XtRemoveGrab(XtParent(fileSel));
 358
 359     // XmUpdateDisplay((Widget) wxTheApp->GetTopLevelWidget()); // Experimental
 360
 361     Display* display = XtDisplay(fileSel);
 362
 363     XtUnmapWidget(XtParent(fileSel));
 364     XtDestroyWidget(XtParent(fileSel));
 365
 366     // Now process all events, because otherwise
 367     // this might remain on the screen
 368     wxFlushEvents(display);
 369
 370     m_path = m_fileSelectorAnswer;
 371     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 372     m_dir = wxPathOnly(m_path);
 373
 374     if (m_fileName == "")
 375         return wxID_CANCEL;
 376     else
 377         return wxID_OK;
 378 }
 379
 380 // Generic file load/save dialog
 381 static wxString
 382 wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
 383 {
 384     char *ext = wxConstCast(extension, char);
 385
 386     wxString prompt;
 387     wxString str;
 388     if (load)
 389         str = _("Load %s file");
 390     else
 391         str = _("Save %s file");
 392     prompt.Printf(str, what);
 393
 394     if (*ext == '.')
 395         ext++;
 396     wxString wild;
 397     wild.Printf("*.%s", ext);
 398
 399     return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
 400 }
 401
 402 // Generic file load dialog
 403 wxString wxLoadFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 404 {
 405     return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
 406 }
 407
 408
 409 // Generic file save dialog
 410 wxString wxSaveFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 411 {
 412     return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
 413 }
 414
 415