mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 06:05:44 +00:00
26c8790fb2
--HG-- extra : commitid : 7Sm7XcTb8Do extra : rebase_source : c10ad90f03b90eb34349edc80be110b90cc2a663
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
#include "WidgetUtilsGtk.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace widget {
|
|
|
|
int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent()
|
|
{
|
|
#if GTK_CHECK_VERSION(3,4,0)
|
|
int32_t result = 0;
|
|
GdkDisplay* display = gdk_display_get_default();
|
|
if (!display) {
|
|
return 0;
|
|
}
|
|
|
|
GdkDeviceManager* manager = gdk_display_get_device_manager(display);
|
|
if (!manager) {
|
|
return 0;
|
|
}
|
|
|
|
GList* devices =
|
|
gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_SLAVE);
|
|
GList* list = devices;
|
|
|
|
while (devices) {
|
|
GdkDevice* device = static_cast<GdkDevice*>(devices->data);
|
|
if (gdk_device_get_source(device) == GDK_SOURCE_TOUCHSCREEN) {
|
|
result = 1;
|
|
break;
|
|
}
|
|
devices = devices->next;
|
|
}
|
|
|
|
if (list) {
|
|
g_list_free(list);
|
|
}
|
|
|
|
return result;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
} // namespace widget
|
|
|
|
} // namespace mozilla
|