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/*
* Copyright © 2015 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 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/>.
*
* Authored By: Andreas Pokorny <andreas.pokorny@canonical.com>
*/
#include "server_example_input_device_config.h"
#include "mir/input/device_capability.h"
#include "mir/input/pointer_configuration.h"
#include "mir/input/touchpad_configuration.h"
#include "mir/input/input_device_hub.h"
#include "mir/input/device.h"
#include "mir/options/option.h"
#include "mir/server.h"
namespace me = mir::examples;
namespace mi = mir::input;
///\example server_example_input_device_config.cpp
/// Demonstrate input device configuration
namespace
{
char const* const disable_while_typing_opt = "disable-while-typing";
char const* const mouse_acceleration_opt = "mouse-acceleration";
char const* const acceleration_none = "none";
char const* const acceleration_adaptive = "adaptive";
char const* const mouse_cursor_acceleration_bias_opt = "mouse-cursor-acceleration-bias";
char const* const mouse_scroll_speed_scale_opt = "mouse-scroll-speed-scale";
char const* const touchpad_cursor_acceleration_bias_opt = "touchpad-cursor-acceleration-bias";
char const* const touchpad_scroll_speed_scale_opt = "touchpad-scroll-speed-scale";
char const* const touchpad_scroll_mode_opt = "touchpad-scroll-mode";
char const* const touchpad_scroll_mode_two_finger = "two-finger";
char const* const touchpad_scroll_mode_edge = "edge";
char const* const touchpad_click_mode_opt= "touchpad-click-mode";
char const* const touchpad_click_mode_area = "area";
char const* const touchpad_click_mode_finger_count = "finger-count";
}
void me::add_input_device_configuration_options_to(mir::Server& server)
{
// Add choice of monitor configuration
server.add_configuration_option(disable_while_typing_opt,
"Disable touchpad while typing on keyboard configuration [true, false]",
false);
server.add_configuration_option(mouse_acceleration_opt,
"Select acceleration profile for mice and trackballs [none, adaptive]",
acceleration_adaptive);
server.add_configuration_option(mouse_cursor_acceleration_bias_opt,
"Constant factor (+1) to velocity or bias to the acceleration curve within the range [-1.0, 1.0] for mice",
0.0);
server.add_configuration_option(mouse_scroll_speed_scale_opt,
"Scales mice scroll events, use negative values for natural scrolling",
1.0);
server.add_configuration_option(touchpad_cursor_acceleration_bias_opt,
"Constant factor (+1) to velocity or bias to the acceleration curve within the range [-1.0, 1.0] for touchpads",
0.0);
server.add_configuration_option(touchpad_scroll_speed_scale_opt,
"Scales touchpad scroll events, use negative values for natural scrolling",
-1.0);
server.add_configuration_option(touchpad_scroll_mode_opt,
"Select scroll mode for touchpads: [{two-finger, edge}]",
touchpad_scroll_mode_two_finger);
server.add_configuration_option(touchpad_click_mode_opt,
"Select click mode for touchpads: [{area, finger-count}]",
touchpad_click_mode_finger_count);
auto clamp_to_range = [](double val)
{
if (val < -1.0)
val = -1.0;
else if (val > 1.0)
val = 1.0;
return val;
};
// TODO the configuration api allows a combination of values. We might want to expose that in the command line api too.
auto convert_to_scroll_mode = [](std::string const& val)
{
if (val == touchpad_scroll_mode_edge)
return mir_touchpad_scroll_mode_edge_scroll;
if (val == touchpad_scroll_mode_two_finger)
return mir_touchpad_scroll_mode_two_finger_scroll;
return mir_touchpad_scroll_mode_none;
};
auto to_profile = [](std::string const& val)
{
if (val == acceleration_none)
return mir_pointer_acceleration_none;
return mir_pointer_acceleration_adaptive;
};
auto convert_to_click_mode = [](std::string const& val)
{
if (val == touchpad_click_mode_finger_count)
return mir_touchpad_click_mode_finger_count;
if (val == touchpad_click_mode_area)
return mir_touchpad_click_mode_area_to_click;
return mir_touchpad_click_mode_none;
};
server.add_init_callback([&]()
{
auto const options = server.get_options();
auto const input_config = std::make_shared<me::InputDeviceConfig>(
options->get<bool>(disable_while_typing_opt),
to_profile(options->get<std::string>(mouse_acceleration_opt)),
clamp_to_range(options->get<double>(mouse_cursor_acceleration_bias_opt)),
options->get<double>(mouse_scroll_speed_scale_opt),
clamp_to_range(options->get<double>(touchpad_cursor_acceleration_bias_opt)),
options->get<double>(touchpad_scroll_speed_scale_opt),
convert_to_click_mode(options->get<std::string>(touchpad_click_mode_opt)),
convert_to_scroll_mode(options->get<std::string>(touchpad_scroll_mode_opt))
);
server.the_input_device_hub()->add_observer(input_config);
});
}
me::InputDeviceConfig::InputDeviceConfig(bool disable_while_typing,
MirPointerAcceleration mouse_profile,
double mouse_cursor_acceleration_bias,
double mouse_scroll_speed_scale,
double touchpad_cursor_acceleration_bias,
double touchpad_scroll_speed_scale,
MirTouchpadClickModes click_mode,
MirTouchpadClickModes scroll_mode)
: disable_while_typing(disable_while_typing), mouse_profile{mouse_profile},
mouse_cursor_acceleration_bias(mouse_cursor_acceleration_bias),
mouse_scroll_speed_scale(mouse_scroll_speed_scale),
touchpad_cursor_acceleration_bias(touchpad_cursor_acceleration_bias),
touchpad_scroll_speed_scale(touchpad_scroll_speed_scale), click_mode(click_mode), scroll_mode(scroll_mode)
{
}
void me::InputDeviceConfig::device_added(std::shared_ptr<mi::Device> const& device)
{
if (contains(device->capabilities(), mi::DeviceCapability::touchpad))
{
auto optional_pointer_config = device->pointer_configuration();
if (optional_pointer_config.is_set())
{
mi::PointerConfiguration pointer_config( optional_pointer_config.value() );
pointer_config.cursor_acceleration_bias = touchpad_cursor_acceleration_bias;
pointer_config.vertical_scroll_scale = touchpad_scroll_speed_scale;
pointer_config.horizontal_scroll_scale = touchpad_scroll_speed_scale;
device->apply_pointer_configuration(pointer_config);
}
auto optional_touchpad_config = device->touchpad_configuration();
if (optional_touchpad_config.is_set())
{
mi::TouchpadConfiguration touch_config( optional_touchpad_config.value() );
touch_config.disable_while_typing = disable_while_typing;
touch_config.click_mode = click_mode;
touch_config.scroll_mode = scroll_mode;
device->apply_touchpad_configuration(touch_config);
}
}
else if (contains(device->capabilities(), mi::DeviceCapability::pointer))
{
auto optional_pointer_config = device->pointer_configuration();
if (optional_pointer_config.is_set())
{
mi::PointerConfiguration pointer_config( optional_pointer_config.value() );
pointer_config.acceleration = mouse_profile;
pointer_config.cursor_acceleration_bias = mouse_cursor_acceleration_bias;
pointer_config.vertical_scroll_scale = mouse_scroll_speed_scale;
pointer_config.horizontal_scroll_scale = mouse_scroll_speed_scale;
device->apply_pointer_configuration(pointer_config);
}
}
}
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