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