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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "add_virtual_device.h"
#include <miral/sticky_keys.h>
#include <miral/test_server.h>
#include <mir/input/event_builder.h>
#include <mir/input/input_device_hub.h>
#include <mir/input/input_device_registry.h>
#include <mir/input/input_sink.h>
#include <mir/input/virtual_input_device.h>
#include <mir/server.h>
#include <linux/input-event-codes.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <miral/append_event_filter.h>
namespace mi = mir::input;
using namespace testing;
namespace
{
void click(mi::InputSink* sink, mi::EventBuilder* builder, unsigned int keysym, unsigned int scancode)
{
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_down, keysym, scancode));
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_up, keysym, scancode));
}
}
class TestStickyKeys : public miral::TestServer
{
public:
TestStickyKeys()
{
add_server_init([this](mir::Server& server)
{
server.add_init_callback([&server, this]
{
input_device_registry = server.the_input_device_registry();
input_device_hub = server.the_input_device_hub();
});
sticky_keys(server);
});
}
miral::StickyKeys sticky_keys{miral::StickyKeys::enabled()};
std::weak_ptr<mi::InputDeviceRegistry> input_device_registry;
std::weak_ptr<mi::InputDeviceHub> input_device_hub;
};
TEST_F(TestStickyKeys, when_enabled_clicking_modifier_results_in_callback)
{
int count = 0;
sticky_keys.on_modifier_clicked([&](int32_t scan_code)
{
EXPECT_THAT(scan_code, Eq(KEY_LEFTSHIFT));
count++;
});
auto const virtual_keyboard = miral::test::add_test_device(
input_device_registry.lock(), input_device_hub.lock(), mi::DeviceCapability::keyboard);
virtual_keyboard->if_started_then(
[&](mi::InputSink* sink, mi::EventBuilder* builder)
{
click(sink, builder, XKB_KEY_Shift_L, KEY_LEFTSHIFT);
});
EXPECT_THAT(count, Eq(1));
}
TEST_F(TestStickyKeys, when_disabled_clicking_modifier_does_not_result_in_callback)
{
int count = 0;
sticky_keys.disable().on_modifier_clicked([&](int32_t)
{
count++;
});
auto const virtual_keyboard = miral::test::add_test_device(
input_device_registry.lock(), input_device_hub.lock(), mi::DeviceCapability::keyboard);
virtual_keyboard->if_started_then(
[&](mi::InputSink* sink, mi::EventBuilder* builder)
{
click(sink, builder, XKB_KEY_Shift_L, KEY_LEFTSHIFT);
});
EXPECT_THAT(count, Eq(0));
}
TEST_F(TestStickyKeys, clicking_two_modifiers_simultaneously_results_in_no_modifiers_stuck)
{
int count = 0;
sticky_keys.should_disable_if_two_keys_are_pressed_together(true)
.on_modifier_clicked([&](int32_t)
{
count++;
});
auto const virtual_keyboard = miral::test::add_test_device(
input_device_registry.lock(), input_device_hub.lock(), mi::DeviceCapability::keyboard);
virtual_keyboard->if_started_then(
[&](mi::InputSink* sink, mi::EventBuilder* builder)
{
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_down, XKB_KEY_Shift_L, KEY_LEFTSHIFT));
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_down, XKB_KEY_Shift_R, KEY_RIGHTSHIFT));
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_up, XKB_KEY_Shift_L, KEY_LEFTSHIFT));
sink->handle_input(builder->key_event(std::nullopt, mir_keyboard_action_up, XKB_KEY_Shift_R, KEY_RIGHTSHIFT));
});
EXPECT_THAT(count, Eq(0));
}
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