public void CloseFile(DataView dv)
{
if (!dv.Buffer.FileOperationsAllowed)
{
return;
}
// if user decides not to close after all
if (AskForSaveIfFileChanged(dv) == false)
{
return;
}
dataBook.RemoveView(dv);
// promptly free resources memory (eg pixmaps)
dv.Buffer.CloseFile();
dv.Cleanup();
// Make sure the new current DataView has the focus
DataViewDisplay dvd = (DataViewDisplay)dataBook.CurrentPageWidget;
if (dvd != null)
{
dvd.GrabKeyboardFocus();
}
else
{
// there is no dataview left,
// update title and statusbars
mainWindow.Title = "Bless - Gtk# Hex Editor";
Services.UI.Info.ClearMessage();
}
}
///<summary>Handle mouse button presses</summary>
internal void OnButtonPress(object o, ButtonPressEventArgs args)
{
dvDisplay.GrabKeyboardFocus();
Gdk.EventButton e = args.Event;
Area clickArea = GetAreaByXY((int)e.X, (int)e.Y);
if (clickArea == null)
{
return;
}
// get the position in the file
Position pos = new Position();
CalculatePosition(clickArea, (int)(e.X - clickArea.X), (int)(e.Y - clickArea.Y), ref pos);
// right mouse button
if (e.Button == 3)
{
// show the popup
clickArea.ShowPopup(Services.UI.Manager);
// if there is no selection change the cursor position
if (dataView.Selection.IsEmpty())
{
selStartPos = pos;
selEndPos = pos;
}
}
else
{
// update selection and cursor if they have changed externally
UpdateSelection(pos.First != pos.Second);
// if shift is pressed the position is the end position of the selection
if ((e.State & Gdk.ModifierType.ShiftMask) != 0)
{
selEndPos = pos;
}
else // ... start a new selection
{
selStartPos = pos;
selEndPos = pos;
}
}
// give the focus to the appropriate area
// do this before setting the new cursor/selection
UpdateFocus(clickArea);
EvaluateSelection(DataViewDisplay.ShowType.Closest);
}