/src/mozilla-central/widget/gtk/nsGtkUtils.h

Source (jump to first uncovered line)
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsGtkUtils_h__
#define nsGtkUtils_h__

#include <glib.h>

// Some gobject functions expect functions for gpointer arguments.
// gpointer is void* but C++ doesn't like casting functions to void*.
template<class T> static inline gpointer
FuncToGpointer(T aFunction)
{
    return reinterpret_cast<gpointer>
        (reinterpret_cast<uintptr_t>
         // This cast just provides a warning if T is not a function.
         (reinterpret_cast<void (*)()>(aFunction)));
}

#endif // nsGtkUtils_h__

Coverage Report

Created: 2018-09-25 14:53

Line	Count	Source (jump to first uncovered line)
1		/* -- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -- */
2		/* vim:expandtab:shiftwidth=4:tabstop=4:
3		*/
4		/* This Source Code Form is subject to the terms of the Mozilla Public
5		* License, v. 2.0. If a copy of the MPL was not distributed with this
6		* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7
8		#ifndef nsGtkUtils_h__
9		#define nsGtkUtils_h__
10
11		#include <glib.h>
12
13		// Some gobject functions expect functions for gpointer arguments.
14		// gpointer is void* but C++ doesn't like casting functions to void*.
15		template<class T> static inline gpointer
16		FuncToGpointer(T aFunction)
17	0	{
18	0	return reinterpret_cast<gpointer>
19	0	(reinterpret_cast<uintptr_t>
20	0	// This cast just provides a warning if T is not a function.
21	0	(reinterpret_cast<void (*)()>(aFunction)));
22	0	} Unexecuted instantiation: nsWindow.cpp:void* FuncToGpointer<int ()(_GtkWidget, _GdkEventWindowState)>(int ()(_GtkWidget, _GdkEventWindowState)) Unexecuted instantiation: nsWindow.cpp:void* FuncToGpointer<void ()(_GtkSettings, _GParamSpec, nsWindow)>(void ()(_GtkSettings, _GParamSpec, nsWindow)) Unexecuted instantiation: nsWindow.cpp:void* FuncToGpointer<void ()(_GdkScreen, void)>(void ()(_GdkScreen, void)) Unexecuted instantiation: Unified_cpp_widget_gtk0.cpp:void* FuncToGpointer<void ()(_GdkScreen, void)>(void ()(_GdkScreen, void)) Unexecuted instantiation: Unified_cpp_widget_gtk1.cpp:void* FuncToGpointer<void ()(_GtkWidget, void)>(void ()(_GtkWidget, void)) Unexecuted instantiation: Unified_cpp_widget_gtk1.cpp:void* FuncToGpointer<void ()(_GtkWidget, _GdkEvent, void)>(void ()(_GtkWidget, _GdkEvent, void)) Unexecuted instantiation: Unified_cpp_widget_gtk1.cpp:void* FuncToGpointer<void ()(_GdkKeymap, mozilla::widget::KeymapWrapper)>(void ()(_GdkKeymap, mozilla::widget::KeymapWrapper))
23
24		#endif // nsGtkUtils_h__