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