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