private static void RemoveSubscription(GtkWidget widget)
{
var impl = windowStack.FirstOrDefault(wbi => wbi.GtkWidget.Equals(widget));
if (impl == null)
{
Logger.Warning("EventManager", widget, "Can't remove subscription for window");
return;
}
if (modalStack.Remove(impl))
{
var lastModal = modalStack.LastOrDefault();
if (lastModal == null)
{
lastModal = windowStack.FirstOrDefault();
modalStack.Add(lastModal);
}
var windowEnum = windowStack.GetEnumerator();
while (windowEnum.MoveNext() && windowEnum.Current != lastModal)
{
; // just skip all before the top modal window
}
while (windowEnum.MoveNext())
{
Native.GtkWindowSetTransientFor(windowEnum.Current.GtkWidget, lastModal.GtkWidget);
}
}
windowStack.Remove(impl);
}
public RenderOp(GtkWidget widget, CairoSurface _surface, double factor, int width, int height)
{
_widget = widget;
this._surface = _surface;
_factor = factor;
_width = width;
_height = height;
}
public RenderOp(GtkWidget widget, ManagedCairoSurface surface, double factor, int width, int height)
{
_widget = widget;
_surface = surface ?? throw new ArgumentNullException();
_factor = factor;
_width = width;
_height = height;
}
static void clicked(GtkWidget app, Void *userdata)
{
var dialog = (GtkDialog *)gtk_message_dialog_new(null,
GtkDialogFlags.GTK_DIALOG_DESTROY_WITH_PARENT,
GtkMessageType.GTK_MESSAGE_INFO,
GtkButtonsType.GTK_BUTTONS_OK,
"Hello World!");
gtk_dialog_run(dialog);
gtk_widget_destroy(dialog);
}
public ImageSurfaceFramebuffer(WindowBaseImpl impl, int width, int height, int factor)
{
_impl = impl;
_widget = impl.GtkWidget;
_factor = factor;
width *= _factor;
height *= _factor;
_surface = new ManagedCairoSurface(width, height);
Size = new PixelSize(width, height);
Address = _surface.Buffer;
RowBytes = _surface.Stride;
Native.CairoSurfaceFlush(_surface.Surface);
}
public ImageSurfaceFramebuffer(IntPtr context, GtkWidget widget, int width, int height)
{
_context = context;
_widget = widget;
_factor = (int)(Native.GtkWidgetGetScaleFactor?.Invoke(_widget) ?? 1u);
width *= _factor;
height *= _factor;
_surface = Native.CairoImageSurfaceCreate(1, width, height);
Width = width;
Height = height;
Address = Native.CairoImageSurfaceGetData(_surface);
RowBytes = Native.CairoImageSurfaceGetStride(_surface);
Native.CairoSurfaceFlush(_surface);
}
public ImageSurfaceFramebuffer(WindowBaseImpl impl, int width, int height, int factor)
{
_impl = impl;
_widget = impl.GtkWidget;
_factor = factor;
width *= _factor;
height *= _factor;
_surface = Native.CairoImageSurfaceCreate(1, width, height);
Width = width;
Height = height;
Address = Native.CairoImageSurfaceGetData(_surface);
RowBytes = Native.CairoImageSurfaceGetStride(_surface);
Native.CairoSurfaceFlush(_surface);
}
/*
* static Stopwatch St =Stopwatch.StartNew();
* private static int _frames;
* private static int _fps;*/
static void DrawToWidget(GtkWidget widget, CairoSurface surface, int width, int height, double factor)
{
if (surface == null || widget.IsClosed)
{
return;
}
var window = Native.GtkWidgetGetWindow(widget);
if (window == IntPtr.Zero)
{
return;
}
var rc = new GdkRectangle {
Width = width, Height = height
};
Native.GdkWindowBeginPaintRect(window, ref rc);
var context = Native.GdkCairoCreate(window);
Draw(context, surface, factor);
/*
* _frames++;
* var el = St.Elapsed;
* if (el.TotalSeconds > 1)
* {
* _fps = (int) (_frames / el.TotalSeconds);
* _frames = 0;
* St = Stopwatch.StartNew();
* }
*
* Native.CairoSetSourceRgba(context, 1, 0, 0, 1);
* Native.CairoMoveTo(context, 20, 20);
* Native.CairoSetFontSize(context, 30);
* using (var txt = new Utf8Buffer("FPS: " + _fps))
* Native.CairoShowText(context, txt);
*/
Native.CairoDestroy(context);
Native.GdkWindowEndPaint(window);
}
public EventSubscription(GtkWidget gtkWidget)
{
GtkWidget = gtkWidget;
}