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