(very) preliminary DnD docs

[wxWidgets.git] / src / motif / filedlg.cpp

diff --git a/src/motif/filedlg.cpp b/src/motif/filedlg.cpp
index fdd54ea7b21ff4833996109544f0d997d29c2bb4..81567f5d87b2ab5b68f8f19984553a8a4d257ead 100644 (file)
--- a/src/motif/filedlg.cpp
+++ b/src/motif/filedlg.cpp
@@ -18,11 +18,31 @@
 #include "wx/dialog.h"
 #include "wx/filedlg.h"
 #include "wx/intl.h"
+#include "wx/app.h"
+
+#include <Xm/Xm.h>
+#include <Xm/MwmUtil.h>
+#include <Xm/Label.h>
+#include <Xm/BulletinB.h>
+#include <Xm/Frame.h>
+#include <Xm/Text.h>
+#include <Xm/DialogS.h>
+#include <Xm/FileSB.h>
+#include <Xm/RowColumn.h>
+#include <Xm/LabelG.h>
 
 #if !USE_SHARED_LIBRARY
 IMPLEMENT_CLASS(wxFileDialog, wxDialog)
 #endif
 
+#define        DEFAULT_FILE_SELECTOR_SIZE 0
+                                   // Let Motif defines the size of File
+                                   // Selector Box (if 1), or fix it to
+                                   // wxFSB_WIDTH x wxFSB_HEIGHT (if 0)
+#define        wxFSB_WIDTH                600
+#define wxFSB_HEIGHT               500
+
+
 char *wxFileSelector(const char *title,
                      const char *defaultDir, const char *defaultFileName,
                      const char *defaultExtension, const char *filter, int flags,
@@ -84,6 +104,31 @@ char *wxFileSelectorEx(const char *title,
         return NULL;
 }
 
+wxString wxFileDialog::m_fileSelectorAnswer = "";
+bool wxFileDialog::m_fileSelectorReturned = FALSE;
+
+void wxFileSelCancel( Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), 
+                      XmFileSelectionBoxCallbackStruct *WXUNUSED(cbs) )
+{
+  wxFileDialog::m_fileSelectorAnswer = "";
+  wxFileDialog::m_fileSelectorReturned = TRUE;
+}
+
+void wxFileSelOk(Widget WXUNUSED(fs), XtPointer WXUNUSED(client_data), XmFileSelectionBoxCallbackStruct *cbs)
+{
+  char *filename = NULL;
+  if (!XmStringGetLtoR(cbs->value, XmSTRING_DEFAULT_CHARSET, &filename)) {
+    wxFileDialog::m_fileSelectorAnswer = "";
+    wxFileDialog::m_fileSelectorReturned = TRUE;
+  } else {
+    if (filename) {
+      wxFileDialog::m_fileSelectorAnswer = filename;
+      XtFree(filename);
+    }
+    wxFileDialog::m_fileSelectorReturned = TRUE;
+  }
+}
+
 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
         long style, const wxPoint& pos)
@@ -96,12 +141,136 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     m_dir = defaultDir;
     m_wildCard = wildCard;
     m_filterIndex = 1;
+    m_pos = pos;
 }
 
 int wxFileDialog::ShowModal()
 {
-    // TODO
+  wxBeginBusyCursor();
+
+//  static char fileBuf[512];
+  Widget parentWidget = (Widget) 0;
+  if (m_parent)
+  {
+    parentWidget = (Widget) m_parent->GetTopWidget();
+  }
+  else
+    parentWidget = (Widget) wxTheApp->GetTopLevelWidget();
+
+  Widget fileSel = XmCreateFileSelectionDialog(parentWidget, "file_selector", NULL, 0);
+  XtUnmanageChild(XmFileSelectionBoxGetChild(fileSel, XmDIALOG_HELP_BUTTON));
+
+  Widget shell = XtParent(fileSel);
+
+  if (!m_message.IsNull())
+    XtVaSetValues(shell, XmNtitle, (char*) (const char*) m_message, NULL);
+
+  wxString entirePath("");
+
+  if ((m_dir != "") && (m_fileName != ""))
+  {
+    entirePath = m_dir + wxString("/") + m_fileName;
+  }
+  else if ((m_dir != "") && (m_fileName == ""))
+  {
+    entirePath = m_dir + wxString("/");
+  }
+  else if ((m_dir == "") && (m_fileName != ""))
+  {
+    entirePath = m_fileName;
+  }
+
+  if (entirePath != "")
+  {
+    Widget selectionWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_TEXT);
+    XmTextSetString(selectionWidget, (char*) (const char*) entirePath);
+  }
+
+  if (m_wildCard != "")
+  {
+    wxString filter("");
+    if (m_dir != "")
+      filter = m_dir + wxString("/") + m_wildCard;
+    else
+      filter = m_wildCard;
+
+    Widget filterWidget = XmFileSelectionBoxGetChild(fileSel, XmDIALOG_FILTER_TEXT);
+    XmTextSetString(filterWidget, (char*) (const char*) filter);
+    XmFileSelectionDoSearch(fileSel, NULL);
+  }
+
+  // Suggested by Terry Gitnick, 16/9/97, because of change in Motif
+  // file selector on Solaris 1.5.1.
+  if ( m_dir != "" )
+  {
+      XmString thePath = XmStringCreateLtoR ((char*) (const char*) m_dir,
+                                           XmSTRING_DEFAULT_CHARSET);
+ 
+      XtVaSetValues (fileSel,
+                   XmNdirectory, thePath,
+                   NULL);
+
+      XmStringFree(thePath);
+  }
+
+  XtAddCallback(fileSel, XmNcancelCallback, (XtCallbackProc)wxFileSelCancel, (XtPointer)NULL);
+  XtAddCallback(fileSel, XmNokCallback, (XtCallbackProc)wxFileSelOk, (XtPointer)NULL);
+
+//#if XmVersion > 1000
+// I'm not sure about what you mean with XmVersion.
+// If this is for Motif1.1/Motif1.2, then check XmVersion>=1200
+// (Motif1.1.4 ==> XmVersion 1100 )
+// Nevertheless, I put here a #define, so anyone can choose in (I)makefile...
+//
+#if !DEFAULT_FILE_SELECTOR_SIZE
+  int width = wxFSB_WIDTH;
+  int height = wxFSB_HEIGHT;
+  XtVaSetValues(fileSel,
+                 XmNwidth, width,
+                 XmNheight, height,
+                 XmNresizePolicy, XmRESIZE_NONE,
+                 NULL);
+#endif
+
+  XtManageChild(fileSel);
+
+  m_fileSelectorAnswer = "";
+  m_fileSelectorReturned = FALSE;
+
+  wxEndBusyCursor();
+
+  XtAddGrab(XtParent(fileSel), TRUE, FALSE);
+  XEvent event;
+  while (!m_fileSelectorReturned)
+  {
+    XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
+  }
+  XtRemoveGrab(XtParent(fileSel));
+
+  XmUpdateDisplay((Widget) wxTheApp->GetTopLevelWidget()); // Experimental
+
+//  XtDestroyWidget(fileSel);
+  XtUnmapWidget(XtParent(fileSel));
+  XtDestroyWidget(XtParent(fileSel));
+
+  // Now process all events, because otherwise
+  // this might remain on the screen
+  XSync(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()), FALSE);
+  while (XtAppPending((XtAppContext) wxTheApp->GetAppContext()))
+  {
+    XFlush(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()));
+    XtAppNextEvent((XtAppContext) wxTheApp->GetAppContext(), &event);
+    XtDispatchEvent(&event);
+  }
+
+  m_path = m_fileSelectorAnswer;
+  m_fileName = wxFileNameFromPath(m_fileSelectorAnswer);
+  m_dir = wxPathOnly(m_path);
+
+  if (m_fileName == "")
     return wxID_CANCEL;
+  else
+    return wxID_OK;
 }
 
 // Generic file load/save dialog