/// <summary> Initialize local ressources for all constructors. </summary>
/// <param name="assignedPosition"> The position of the top left top corner assigned by the window manager (for shell widgets) or geometry management (by non-shell widgets). Passed as reference to avoid structure copy constructor calls. <see cref="TPoint"/> </param>
public void InitializeOverrideShellResources(ref TPoint assignedPosition)
{
TInt depth = X11lib.XDefaultDepth(_display, _screenNumber);
X11lib.WindowAttributeMask mask = X11lib.WindowAttributeMask.CWOverrideRedirect | X11lib.WindowAttributeMask.CWSaveUnder;
X11lib.XSetWindowAttributes attributes = new X11lib.XSetWindowAttributes();
attributes.override_redirect = (TBoolean)1;
attributes.save_under = (TBoolean)1;
_window = X11lib.XCreateWindow(_display, X11lib.XDefaultRootWindow(_display), (TInt)assignedPosition.X, (TInt)assignedPosition.Y, (TUint)_assignedSize.Width, (TUint)_assignedSize.Height,
0, depth, (TUint)X11lib.WindowClass.InputOutput, IntPtr.Zero, mask, ref attributes);
if (_window == IntPtr.Zero)
{
Console.WriteLine(CLASS_NAME + "::InitializeOverrideShellResources () ERROR. Can not create menu shell.");
return;
}
_hasOwnWindow = true;
X11lib.XSelectInput(_display, _window,
EventMask.ExposureMask | EventMask.ButtonPressMask | EventMask.ButtonReleaseMask |
EventMask.EnterWindowMask | EventMask.LeaveWindowMask | EventMask.PointerMotionMask |
EventMask.FocusChangeMask | EventMask.KeyPressMask | EventMask.KeyReleaseMask |
EventMask.SubstructureNotifyMask);
/* Create the foreground Graphics Context. */
if (_gc != IntPtr.Zero)
{
if (XrwApplicationSettings.VERBOSE_OUTPUT_TO_CONSOLE)
{
Console.WriteLine(CLASS_NAME + "::InitializeOverrideShellResources () Replace the foreground GC.");
}
X11lib.XFreeGC(_display, _gc);
_gc = IntPtr.Zero;
}
_gc = X11lib.XCreateGC(_display, _window, 0, IntPtr.Zero);
}
// ###############################################################################
// ### M E T H O D S
// ###############################################################################
#region Methods
/// <summary> Load the icon from indicated path and set it as shell icon. </summary>
/// <returns> <c>true</c>, if icon was set, <c>false</c> otherwise. </returns>
/// <param name='iconPath'> The icon path. </param>
public bool SetShellIcon(string iconPath)
{
bool result = false;
if (_shell == IntPtr.Zero)
{
Console.WriteLine(CLASS_NAME + "::SetShellIcon() ERROR: Member attribute '_shell' null.");
return(result);
}
if (string.IsNullOrEmpty(iconPath))
{
Console.WriteLine(CLASS_NAME + "::SetShellIcon() ERROR: Paramerter 'iconPath' null or empty.");
return(result);
}
IntPtr display = Xtlib.XtDisplay(_shell);
IntPtr window = Xtlib.XtWindow(_shell);
TInt screenNumber = Xtlib.XDefaultScreen(display);
using (X11Graphic appIcon = new X11Graphic(display, (int)screenNumber, IntPtr.Zero, X11lib.XDefaultDepth(display, screenNumber), iconPath))
{
_appIconPixMap = appIcon.CreateIndependentGraphicPixmap(display, window);
_appMaskPixMap = appIcon.CreateIndependentMaskPixmap(display, window);
if (_appIconPixMap != IntPtr.Zero && _appMaskPixMap != IntPtr.Zero)
{
X11lib.XWMHints wmHints = new X11lib.XWMHints();
IntPtr wmAddr = X11lib.XAllocWMHints(ref wmHints);
wmHints.flags = X11lib.XWMHintMask.IconPixmapHint |
X11lib.XWMHintMask.IconPositionHint |
X11lib.XWMHintMask.IconMaskHint;
wmHints.icon_pixmap = _appIconPixMap;
wmHints.icon_mask = _appMaskPixMap;
wmHints.icon_x = 0;
wmHints.icon_y = 0;
X11lib.XSetWMHints(display, window, ref wmHints);
X11lib.XFree(wmAddr);
result = true;
}
else
{
Console.WriteLine(CLASS_NAME + "::SetShellIcon () ERROR: Can not create application icon.");
}
}
return(result);
}