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