public static void PopupMenu(Gtk.Menu menu, Gdk.EventButton ev, Gtk.MenuPositionFunc mpf)
{
menu.Deactivated += DeactivateMenu;
try {
menu.Popup(null,
null,
mpf,
(ev == null) ? 0 : ev.Button,
(ev == null) ? Gtk.Global.CurrentEventTime : ev.Time);
} catch {
Logger.Debug("Menu popup failed with custom MenuPositionFunc; trying again without");
menu.Popup(null,
null,
null,
(ev == null) ? 0 : ev.Button,
(ev == null) ? Gtk.Global.CurrentEventTime : ev.Time);
}
// Highlight the parent
if (menu.AttachWidget != null)
{
menu.AttachWidget.State = Gtk.StateType.Selected;
}
#if WIN32
BringToForeground();
#endif
}
public MenuPositionFuncWrapper(Gtk.MenuPositionFunc managed)
{
this.managed = managed;
if (managed != null)
{
NativeDelegate = new MenuPositionFuncNative(NativeCallback);
}
}
public static int MenuDoPopupModal(Gtk.Widget popup, Gtk.MenuPositionFunc pos_func, Gdk.EventButton evnt, IntPtr user_data, Gtk.Widget for_widget)
{
GtkSharp.MenuPositionFuncWrapper pos_func_wrapper = new GtkSharp.MenuPositionFuncWrapper(pos_func);
int raw_ret = gnome_popup_menu_do_popup_modal(popup == null ? IntPtr.Zero : popup.Handle, pos_func_wrapper.NativeDelegate, IntPtr.Zero, evnt == null ? IntPtr.Zero : evnt.Handle, user_data, for_widget == null ? IntPtr.Zero : for_widget.Handle);
int ret = raw_ret;
return(ret);
}
public void PopupForDevice(Gdk.Device device, Gtk.Widget parent_menu_shell, Gtk.Widget parent_menu_item, Gtk.MenuPositionFunc func, GLib.DestroyNotify destroy, uint button, uint activate_time)
{
GtkSharp.MenuPositionFuncWrapper func_wrapper = new GtkSharp.MenuPositionFuncWrapper(func);
func_wrapper.PersistUntilCalled();
gtk_menu_popup_for_device(Handle, device == null ? IntPtr.Zero : device.Handle, parent_menu_shell == null ? IntPtr.Zero : parent_menu_shell.Handle, parent_menu_item == null ? IntPtr.Zero : parent_menu_item.Handle, func_wrapper.NativeDelegate, IntPtr.Zero, destroy, button, activate_time);
}
public void Popup(Gtk.Widget parent_menu_shell, Gtk.Widget parent_menu_item, Gtk.MenuPositionFunc func, uint button, uint activate_time)
{
GtkSharp.MenuPositionFuncWrapper func_wrapper = new GtkSharp.MenuPositionFuncWrapper(func);
func_wrapper.PersistUntilCalled();
gtk_menu_popup(Handle, parent_menu_shell == null ? IntPtr.Zero : parent_menu_shell.Handle, parent_menu_item == null ? IntPtr.Zero : parent_menu_item.Handle, func_wrapper.NativeDelegate, IntPtr.Zero, button, activate_time);
}
public void Popup(Gtk.Widget parent_menu_shell, Gtk.Widget parent_menu_item, Gtk.MenuPositionFunc func, IntPtr data, uint button, uint activate_time)
{
Popup(parent_menu_shell, parent_menu_item, func, button, activate_time);
}
/// <summary>Shows a context menu.</summary>
/// <param name='menu'>The menu.</param>
/// <param name='parent'>The parent widget.</param>
/// <param name='evt'>The mouse event. May be null if triggered by keyboard.</param>
/// <param name='caret'>The caret/selection position within the parent, if the EventButton is null.</param>
public static void ShowContextMenu(Gtk.Menu menu, Gtk.Widget parent, Gdk.EventButton evt, Gdk.Rectangle caret)
{
Gtk.MenuPositionFunc posFunc = null;
if (parent != null)
{
menu.AttachToWidget(parent, null);
posFunc = delegate(Gtk.Menu m, out int x, out int y, out bool pushIn) {
Gdk.Window window = evt != null? evt.Window : parent.GdkWindow;
window.GetOrigin(out x, out y);
var alloc = parent.Allocation;
if (evt != null)
{
x += (int)evt.X;
y += (int)evt.Y;
}
else if (caret.X >= alloc.X && caret.Y >= alloc.Y)
{
x += caret.X;
y += caret.Y + caret.Height;
}
else
{
x += alloc.X;
y += alloc.Y;
}
Gtk.Requisition request = m.SizeRequest();
var screen = parent.Screen;
Gdk.Rectangle geometry = GetUsableMonitorGeometry(screen, screen.GetMonitorAtPoint(x, y));
//whether to push or flip menus that would extend offscreen
//FIXME: this is the correct behaviour for mac, check other platforms
bool flip_left = true;
bool flip_up = false;
if (x + request.Width > geometry.Right)
{
if (flip_left)
{
x -= request.Width;
}
else
{
x = geometry.Right - request.Width;
}
if (x < geometry.Left)
{
x = geometry.Left;
}
}
if (y + request.Height > geometry.Bottom)
{
if (flip_up)
{
y -= request.Height;
}
else
{
y = geometry.Bottom - request.Height;
}
if (y < geometry.Top)
{
y = geometry.Top;
}
}
pushIn = false;
};
}
uint time;
uint button;
if (evt == null)
{
time = Gtk.Global.CurrentEventTime;
button = 0;
}
else
{
time = evt.Time;
button = evt.Button;
}
//HACK: work around GTK menu issues on mac when passing button to menu.Popup
//some menus appear and immediately hide, and submenus don't activate
if (Platform.IsMac)
{
button = 0;
}
menu.Popup(null, null, posFunc, button, time);
}
public static void MenuDoPopup(Gtk.Widget popup, Gtk.MenuPositionFunc pos_func, IntPtr data, Gdk.EventButton evnt, IntPtr user_data, Gtk.Widget for_widget)
{
MenuDoPopup(popup, pos_func, evnt, user_data, for_widget);
}
public static int MenuDoPopupModal(Gtk.Widget popup, Gtk.MenuPositionFunc pos_func, IntPtr data, Gdk.EventButton evnt, IntPtr user_data, Gtk.Widget for_widget)
{
return(MenuDoPopupModal(popup, pos_func, evnt, user_data, for_widget));
}
/// <summary>Shows a context menu.</summary>
/// <param name='menu'>The menu.</param>
/// <param name='parent'>The parent widget.</param>
/// <param name='evt'>The mouse event. May be null if triggered by keyboard.</param>
/// <param name='caret'>The caret/selection position within the parent, if the EventButton is null.</param>
public static void ShowContextMenu(Gtk.Menu menu, Gtk.Widget parent, Gdk.EventButton evt, Gdk.Rectangle caret)
{
Gtk.MenuPositionFunc posFunc = null;
// NOTE: we don't gtk_menu_attach_to_widget to the parent because it seems to cause issues.
// The expanders in other treeviews in MD stop working when we detach it, and detaching is necessary
// to prevent memory leaks.
// Attaching means menu moves when parent is moved and is destroyed when parent is destroyed. Neither is
// particularly important for us.
// See https://bugzilla.xamarin.com/show_bug.cgi?id=4388
if (parent != null)
{
posFunc = delegate(Gtk.Menu m, out int x, out int y, out bool pushIn) {
Gdk.Window window = evt != null? evt.Window : parent.GdkWindow;
window.GetOrigin(out x, out y);
var alloc = parent.Allocation;
if (evt != null)
{
x += (int)evt.X;
y += (int)evt.Y;
}
else if (caret.X >= alloc.X && caret.Y >= alloc.Y)
{
x += caret.X;
y += caret.Y + caret.Height;
}
else
{
x += alloc.X;
y += alloc.Y;
}
Gtk.Requisition request = m.SizeRequest();
var screen = parent.Screen;
Gdk.Rectangle geometry = GetUsableMonitorGeometry(screen, screen.GetMonitorAtPoint(x, y));
//whether to push or flip menus that would extend offscreen
//FIXME: this is the correct behaviour for mac, check other platforms
bool flip_left = true;
bool flip_up = false;
if (x + request.Width > geometry.X + geometry.Width)
{
if (flip_left)
{
x -= request.Width;
}
else
{
x = geometry.X + geometry.Width - request.Width;
}
if (x < geometry.Left)
{
x = geometry.Left;
}
}
if (y + request.Height > geometry.Y + geometry.Height)
{
if (flip_up)
{
y -= request.Height;
}
else
{
y = geometry.Y + geometry.Height - request.Height;
}
if (y < geometry.Top)
{
y = geometry.Top;
}
}
pushIn = false;
};
}
uint time;
uint button;
if (evt == null)
{
time = Gtk.Global.CurrentEventTime;
button = 0;
}
else
{
time = evt.Time;
button = evt.Button;
}
//HACK: work around GTK menu issues on mac when passing button to menu.Popup
//some menus appear and immediately hide, and submenus don't activate
if (Platform.IsMac)
{
button = 0;
}
menu.Popup(null, null, posFunc, button, time);
}
