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     wxWindow::DoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 192
 193     // Change colour of the scrolled areas of the listboxes
 194     Widget listParent = XtParent (widget);
 195 #if 0
 196     wxWindow::DoChangeBackgroundColour((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     wxWindow::DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
 211     wxWindow::DoChangeBackgroundColour((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     {
 231         parentWidget = (Widget) m_parent->GetTopWidget();
 232     }
 233     else
 234         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 235     // prepare the arg list
 236     Arg args[10];
 237     int ac = 0;
 238
 239     wxComputeColours (XtDisplay(parentWidget), & m_backgroundColour,
 240         (wxColour*) NULL);
 241
 242     XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 243     XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 244     XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 245     XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 246
 247
 248     Widget fileSel = XmCreateFileSelectionDialog(parentWidget, "file_selector", args, ac);
 249     XtUnmanageChild(XmFileSelectionBoxGetChild(fileSel, XmDIALOG_HELP_BUTTON));
 250
 251     Widget filterWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_FILTER_TEXT);
 252     Widget selectionWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_TEXT);
 253     Widget dirListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_DIR_LIST);
 254     Widget fileListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_LIST);
 255
 256     // code using these vars disabled
 257 #if 0
 258     Widget okWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_OK_BUTTON);
 259     Widget applyWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_APPLY_BUTTON);
 260     Widget cancelWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_CANCEL_BUTTON);
 261 #endif
 262
 263
 264     Widget shell = XtParent(fileSel);
 265
 266     if (!m_message.IsNull())
 267         XtVaSetValues(shell,
 268                       XmNtitle, wxConstCast(m_message.c_str(), char),
 269                       NULL);
 270
 271     wxString entirePath("");
 272
 273     if ((m_dir != "") && (m_fileName != ""))
 274     {
 275         entirePath = m_dir + wxString("/") + m_fileName;
 276     }
 277     else if ((m_dir != "") && (m_fileName == ""))
 278     {
 279         entirePath = m_dir + wxString("/");
 280     }
 281     else if ((m_dir == "") && (m_fileName != ""))
 282     {
 283         entirePath = m_fileName;
 284     }
 285
 286     if (m_wildCard != "")
 287     {
 288         // return something understandable by Motif
 289         wxString wildCard = ParseWildCard( m_wildCard );
 290         wxString filter;
 291         if (m_dir != "")
 292             filter = m_dir + wxString("/") + wildCard;
 293         else
 294             filter = wildCard;
 295
 296         XmTextSetString(filterWidget, wxConstCast(filter.c_str(), char));
 297         XmFileSelectionDoSearch(fileSel, NULL);
 298     }
 299
 300     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 301     // file selector on Solaris 1.5.1.
 302     if ( m_dir != "" )
 303     {
 304         wxXmString thePath( m_dir );
 305
 306         XtVaSetValues (fileSel,
 307             XmNdirectory, thePath(),
 308             NULL);
 309     }
 310
 311     if (entirePath != "")
 312     {
 313         XmTextSetString(selectionWidget,
 314                         wxConstCast(entirePath.c_str(), char));
 315     }
 316
 317     XtAddCallback(fileSel, XmNcancelCallback, (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 318     XtAddCallback(fileSel, XmNokCallback, (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 319     XtAddCallback(fileSel, XmNunmapCallback,
 320                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 321
 322     //#if XmVersion > 1000
 323     // I'm not sure about what you mean with XmVersion.
 324     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 325     // (Motif1.1.4 ==> XmVersion 1100 )
 326     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile...
 327     //
 328 #if !DEFAULT_FILE_SELECTOR_SIZE
 329     int width = wxFSB_WIDTH;
 330     int height = wxFSB_HEIGHT;
 331     XtVaSetValues(fileSel,
 332         XmNwidth, width,
 333         XmNheight, height,
 334         XmNresizePolicy, XmRESIZE_NONE,
 335         NULL);
 336 #endif
 337     //    DoChangeBackgroundColour((WXWidget) fileSel, m_backgroundColour);
 338     DoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 339     DoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 340
 341     wxChangeListBoxColours(this, dirListWidget);
 342     wxChangeListBoxColours(this, fileListWidget);
 343
 344     XtManageChild(fileSel);
 345
 346     m_fileSelectorAnswer = "";
 347     m_fileSelectorReturned = FALSE;
 348
 349     wxEndBusyCursor();
 350
 351     XtAddGrab(XtParent(fileSel), TRUE, FALSE);
 352     XEvent event;
 353     while (!m_fileSelectorReturned)
 354     {
 355         XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
 356     }
 357     XtRemoveGrab(XtParent(fileSel));
 358
 359     XmUpdateDisplay((Widget) wxTheApp->GetTopLevelWidget()); // Experimental
 360
 361     //  XtDestroyWidget(fileSel);
 362     XtUnmapWidget(XtParent(fileSel));
 363     XtDestroyWidget(XtParent(fileSel));
 364
 365     // Now process all events, because otherwise
 366     // this might remain on the screen
 367     XSync(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), FALSE);
 368     while (XtAppPending((XtAppContext) wxTheApp->GetAppContext()))
 369     {
 370         XFlush(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()));
 371         XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event);
 372         XtDispatchEvent(&event);
 373     }
 374
 375     m_path = m_fileSelectorAnswer;
 376     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 377     m_dir = wxPathOnly(m_path);
 378
 379     if (m_fileName == "")
 380         return wxID_CANCEL;
 381     else
 382         return wxID_OK;
 383 }
 384
 385 // Generic file load/save dialog
 386 static wxString
 387 wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
 388 {
 389     char *ext = wxConstCast(extension, char);
 390
 391     wxString prompt;
 392     wxString str;
 393     if (load)
 394         str = _("Load %s file");
 395     else
 396         str = _("Save %s file");
 397     prompt.Printf(str, what);
 398
 399     if (*ext == '.')
 400         ext++;
 401     wxString wild;
 402     wild.Printf("*.%s", ext);
 403
 404     return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
 405 }
 406
 407 // Generic file load dialog
 408 wxString wxLoadFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 409 {
 410     return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
 411 }
 412
 413
 414 // Generic file save dialog
 415 wxString wxSaveFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
 416 {
 417     return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
 418 }
 419
 420