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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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/filedlg.h"
  25 #include "wx/intl.h"
  26 #include "wx/app.h"
  27 #include "wx/settings.h"
  28 #include "wx/tokenzr.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, wxFileDialogBase)
  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 wxFileDialog::m_fileSelectorAnswer = "";
  60 bool wxFileDialog::m_fileSelectorReturned = FALSE;
  61
  62 static void wxFileSelClose(Widget WXUNUSED(w),
  63                            void* WXUNUSED(client_data),
  64                            XmAnyCallbackStruct *WXUNUSED(call_data))
  65 {
  66     wxFileDialog::m_fileSelectorAnswer = "";
  67     wxFileDialog::m_fileSelectorReturned = TRUE;
  68 }
  69
  70 void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data),
  71                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
  72 {
  73     wxFileDialog::m_fileSelectorAnswer = "";
  74     wxFileDialog::m_fileSelectorReturned = TRUE;
  75 }
  76
  77 void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
  78 {
  79     char *filename = NULL;
  80     if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
  81         wxFileDialog::m_fileSelectorAnswer = "";
  82         wxFileDialog::m_fileSelectorReturned = TRUE;
  83     } else {
  84         if (filename) {
  85             wxFileDialog::m_fileSelectorAnswer = filename;
  86             XtFree(filename);
  87         }
  88         wxFileDialog::m_fileSelectorReturned = TRUE;
  89     }
  90 }
  91
  92 static wxString ParseWildCard( const wxString& wild )
  93 {
  94 #ifdef __WXDEBUG__
  95     static const wxChar* msg =
  96         _T("Motif file dialog does not understand this ")
  97         _T("wildcard syntax");
  98 #endif
  99
 100     wxStringTokenizer tok( wild, _T("|") );
 101
 102     wxCHECK_MSG( tok.CountTokens() <= 2, _T("*.*"), msg );
 103
 104     if( tok.CountTokens() == 1 ) return wild;
 105
 106     // CountTokens == 2
 107     tok.GetNextToken();
 108     wxStringTokenizer tok2( tok.GetNextToken(), _T(";") );
 109
 110     wxCHECK_MSG( tok2.CountTokens() == 1, tok2.GetNextToken(), msg );
 111     return tok2.GetNextToken();
 112 }
 113
 114 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 115                            const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 116                            long style, const wxPoint& pos)
 117              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos)
 118 {
 119     m_filterIndex = 1;
 120 }
 121
 122 static void wxChangeListBoxColours(wxWindow* WXUNUSED(win), Widget widget)
 123 {
 124     wxDoChangeBackgroundColour((WXWidget) widget, *wxWHITE);
 125
 126     // Change colour of the scrolled areas of the listboxes
 127     Widget listParent = XtParent (widget);
 128 #if 0
 129     wxDoChangeBackgroundColour((WXWidget) listParent, *wxWHITE, TRUE);
 130 #endif
 131
 132     Widget hsb = (Widget) 0;
 133     Widget vsb = (Widget) 0;
 134     XtVaGetValues (listParent,
 135         XmNhorizontalScrollBar, &hsb,
 136         XmNverticalScrollBar, &vsb,
 137         NULL);
 138
 139    /* TODO: should scrollbars be affected? Should probably have separate
 140     * function to change them (by default, taken from wxSystemSettings)
 141     */
 142     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 143     wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
 144     wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
 145
 146     if (hsb)
 147       XtVaSetValues (hsb,
 148         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
 149         NULL);
 150     if (vsb)
 151       XtVaSetValues (vsb,
 152         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
 153         NULL);
 154 }
 155
 156 int wxFileDialog::ShowModal()
 157 {
 158     wxBeginBusyCursor();
 159
 160     //  static char fileBuf[512];
 161     Widget parentWidget = (Widget) 0;
 162     if (m_parent)
 163         parentWidget = (Widget) m_parent->GetTopWidget();
 164     else
 165         parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
 166     // prepare the arg list
 167     Arg args[10];
 168     int ac = 0;
 169
 170     wxComputeColours (XtDisplay(parentWidget), & m_backgroundColour,
 171         (wxColour*) NULL);
 172
 173     XtSetArg(args[ac], XmNbackground, g_itemColors[wxBACK_INDEX].pixel); ac++;
 174     XtSetArg(args[ac], XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel); ac++;
 175     XtSetArg(args[ac], XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel); ac++;
 176     XtSetArg(args[ac], XmNforeground, g_itemColors[wxFORE_INDEX].pixel); ac++;
 177
 178
 179     Widget fileSel = XmCreateFileSelectionDialog(parentWidget, "file_selector", args, ac);
 180     XtUnmanageChild(XmFileSelectionBoxGetChild(fileSel, XmDIALOG_HELP_BUTTON));
 181
 182     Widget filterWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_FILTER_TEXT);
 183     Widget selectionWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_TEXT);
 184     Widget dirListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_DIR_LIST);
 185     Widget fileListWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_LIST);
 186
 187     // code using these vars disabled
 188 #if 0
 189     Widget okWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_OK_BUTTON);
 190     Widget applyWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_APPLY_BUTTON);
 191     Widget cancelWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_CANCEL_BUTTON);
 192 #endif
 193
 194
 195     Widget shell = XtParent(fileSel);
 196
 197     if (!m_message.IsNull())
 198         XtVaSetValues(shell,
 199                       XmNtitle, wxConstCast(m_message.c_str(), char),
 200                       NULL);
 201
 202     wxString entirePath("");
 203
 204     if ((m_dir != "") && (m_fileName != ""))
 205     {
 206         entirePath = m_dir + wxString("/") + m_fileName;
 207     }
 208     else if ((m_dir != "") && (m_fileName == ""))
 209     {
 210         entirePath = m_dir + wxString("/");
 211     }
 212     else if ((m_dir == "") && (m_fileName != ""))
 213     {
 214         entirePath = m_fileName;
 215     }
 216
 217     if (m_wildCard != "")
 218     {
 219         // return something understandable by Motif
 220         wxString wildCard = ParseWildCard( m_wildCard );
 221         wxString filter;
 222         if (m_dir != "")
 223             filter = m_dir + wxString("/") + wildCard;
 224         else
 225             filter = wildCard;
 226
 227         XmTextSetString(filterWidget, wxConstCast(filter.c_str(), char));
 228         XmFileSelectionDoSearch(fileSel, NULL);
 229     }
 230
 231     // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
 232     // file selector on Solaris 1.5.1.
 233     if ( m_dir != "" )
 234     {
 235         wxXmString thePath( m_dir );
 236
 237         XtVaSetValues (fileSel,
 238             XmNdirectory, thePath(),
 239             NULL);
 240     }
 241
 242     if (entirePath != "")
 243     {
 244         XmTextSetString(selectionWidget,
 245                         wxConstCast(entirePath.c_str(), char));
 246     }
 247
 248     XtAddCallback(fileSel, XmNcancelCallback, (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
 249     XtAddCallback(fileSel, XmNokCallback, (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
 250     XtAddCallback(fileSel, XmNunmapCallback,
 251                   (XtCallbackProc)wxFileSelClose, (XtPointer)this);
 252
 253     //#if XmVersion > 1000
 254     // I'm not sure about what you mean with XmVersion.
 255     // If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
 256     // (Motif1.1.4 ==> XmVersion 1100 )
 257     // Nevertheless, I put here a #define, so anyone can choose in (I)makefile...
 258     //
 259 #if !DEFAULT_FILE_SELECTOR_SIZE
 260     int width = wxFSB_WIDTH;
 261     int height = wxFSB_HEIGHT;
 262     XtVaSetValues(fileSel,
 263         XmNwidth, width,
 264         XmNheight, height,
 265         XmNresizePolicy, XmRESIZE_NONE,
 266         NULL);
 267 #endif
 268     //    wxDoChangeBackgroundColour((WXWidget) fileSel, m_backgroundColour);
 269     wxDoChangeBackgroundColour((WXWidget) filterWidget, *wxWHITE);
 270     wxDoChangeBackgroundColour((WXWidget) selectionWidget, *wxWHITE);
 271
 272     wxChangeListBoxColours(this, dirListWidget);
 273     wxChangeListBoxColours(this, fileListWidget);
 274
 275     XtManageChild(fileSel);
 276
 277     m_fileSelectorAnswer = "";
 278     m_fileSelectorReturned = FALSE;
 279
 280     wxEndBusyCursor();
 281
 282     XtAddGrab(XtParent(fileSel), TRUE, FALSE);
 283     XtAppContext context = (XtAppContext) wxTheApp->GetAppContext();
 284     XEvent event;
 285     while (!m_fileSelectorReturned)
 286     {
 287         XtAppNextEvent(context, &event);
 288         XtDispatchEvent(&event);
 289     }
 290     XtRemoveGrab(XtParent(fileSel));
 291
 292     // XmUpdateDisplay((Widget) wxTheApp->GetTopLevelWidget()); // Experimental
 293
 294     Display* display = XtDisplay(fileSel);
 295
 296     XtUnmapWidget(XtParent(fileSel));
 297     XtDestroyWidget(XtParent(fileSel));
 298
 299     // Now process all events, because otherwise
 300     // this might remain on the screen
 301     wxFlushEvents(display);
 302
 303     m_path = m_fileSelectorAnswer;
 304     m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
 305     m_dir = wxPathOnly(m_path);
 306
 307     if (m_fileName == "")
 308         return wxID_CANCEL;
 309     else
 310         return wxID_OK;
 311 }
 312