/// <summary> Register a "configure notify action" to application context, translate the "configure notify action", add/overwrite
/// the shell widget's translation table and set windows manager protocol hook for the shell widget. </summary>
/// <param name="appContext"> The application's context to register the action to. <see cref="System.IntPtr"/> </param>
/// <param name="configureNotifyAction"> The action to register to the application's context. <see cref="XtActionProc"/> </param>
/// <remarks> This method can be called *** BEFORE *** XtRealizeWidget (). </remarks>
public void RegisterConfigureNotifyAction(IntPtr appContext, XtActionProc configureNotifyAction)
{
try
{
// Register (instance method) action procedure to runtime action marshaller and let it map the signal to the (global static) action procedure.
IntPtr configureNotifyActionPtr = ActionMarshaler.Add(_shell, X11.XEventName.ConfigureNotify, configureNotifyAction);
// Create an actions record, to provide the application's context with a "action-name" to "action-procedure" translation.
XtActionsRec[] actionProcs = new XtActionsRec[] {
new XtActionsRec(X11Utils.StringToSByteArray(XtWmShell.COFIGURE_NOTIFY_ACTION_NAME + "\0"), configureNotifyActionPtr)
};
// Register the actions record to the application's context.
Xtlib.XtAppAddActions(appContext, actionProcs, (XCardinal)1);
// Create a compiled translation table, to provide the widget with a "message" to "action-name" translation.
IntPtr translationTable = Xtlib.XtParseTranslationTable("<Configure>: " + XtWmShell.COFIGURE_NOTIFY_ACTION_NAME + "()");
// Merge new translations to the widget, overriding existing ones.
Xtlib.XtOverrideTranslations(_shell, translationTable);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
/// <summary> Register a "delete window action" to application context, translate the "delete
/// window action", add/overwrite the shell widget's translation table and set windows manager
/// protocol hook for the shell widget. </summary>
/// <param name="appContext"> The application's context to register the action to.
/// <see cref="System.IntPtr"/> </param>
/// <param name="deleteWindowAction"> The action to register to the application's context.
/// <see cref="XtActionProc"/> </param>
/// <remarks> This must be done *** AFTER *** XtRealizeWidget (). </remarks>
public void RegisterDeleteWindowAction(IntPtr appContext, XtActionProc deleteWindowAction)
{
try
{
// Register (instance method) action procedure to runtime action marshaller
// and let it map the signal to the (global static) action procedure.
IntPtr deleteWindowActionPtr = ActionMarshaler.Add(_shell,
X11.XEventName.ClientMessage, deleteWindowAction);
// Create an actions record, to provide the application's context
// with a "action-name" to "action-procedure" translation.
XtActionsRec[] actionProcs = new XtActionsRec[] {
new XtActionsRec(X11Utils.StringToSByteArray(XtWmShell.DELETE_WINDOW_ACTION_NAME + "\0"),
deleteWindowActionPtr)
};
// Register the actions record to the application's context.
Xtlib.XtAppAddActions(appContext, actionProcs, (XCardinal)1);
// Create a compiled translation table, to provide the widget with
// a "message" to "action-name" translation.
IntPtr translationTable = Xtlib.XtParseTranslationTable("<Message>WM_PROTOCOLS: " +
XtWmShell.DELETE_WINDOW_ACTION_NAME + "()");
// Merge new translations to the widget, overriding existing ones.
Xtlib.XtOverrideTranslations(_shell, translationTable);
/// The delete message from the windows manager. Closing an app via window
/// title functionality doesn't generate a window message - it only generates a
/// window manager message, thot must be routed to the window (message loop).
IntPtr wmDeleteMessage = IntPtr.Zero;
// Hook the closing event from windows manager.
// Must be done *** AFTER *** XtRealizeWidget () to determine display and window!
wmDeleteMessage = X11lib.XInternAtom(Xtlib.XtDisplay(_shell), "WM_DELETE_WINDOW", false);
if (X11lib.XSetWMProtocols(Xtlib.XtDisplay(_shell), Xtlib.XtWindow(_shell),
ref wmDeleteMessage, (X11.TInt) 1) == 0)
{
Console.WriteLine(CLASS_NAME + "::RegisterDeleteWindowAction () " +
"WARNING: Failed to register 'WM_DELETE_WINDOW' event.");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
/// <summary> Initializing constructor. </summary>
/// <param name="visibleRectObj">The rect object to initialize the lines for. <see cref="XrwVisibleRectObj"/> </param>
/// <param name="text"> The label text. A <see cref="System.String"/> </param>
public Multiline(XrwVisibleRectObj visibleRectObj, string text)
{
if (visibleRectObj == null)
{
throw new ArgumentNullException("labelWidget");
}
text = text.Replace("\r\n", "\n");
if (string.IsNullOrEmpty(text))
{
TChar[] lineText = {};
this.Add(new Line(lineText, 0, 0));
return;
}
string [] lines = text.Split('\n');
for (int countLines = 0; countLines < lines.Length; countLines++)
{
TChar[] lineText = X11Utils.StringToSByteArray(lines[countLines]);
TSize textMeasure = visibleRectObj.MeasureTextLine(visibleRectObj.Display, visibleRectObj.GC, lineText);
this.Add(new Line(lineText, textMeasure.Width, textMeasure.Height));
}
}
