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