banan-os/kernel/kernel/USB/HID/Mouse.cpp

98 lines
2.3 KiB
C++

#include <kernel/USB/HID/Mouse.h>
#include <LibInput/MouseEvent.h>
namespace Kernel
{
void USBMouse::start_report()
{
for (auto& val : m_button_state_temp)
val = false;
}
void USBMouse::stop_report()
{
if (m_pointer_x || m_pointer_y)
{
dprintln_if(DEBUG_USB_MOUSE, "Mouse move event {}, {}", m_pointer_x, m_pointer_y);
LibInput::MouseEvent event;
event.type = LibInput::MouseEventType::MouseMoveEvent;
event.move_event.rel_x = m_pointer_x;
event.move_event.rel_y = -m_pointer_y;
add_event(BAN::ConstByteSpan::from(event));
m_pointer_x = 0;
m_pointer_y = 0;
}
if (m_wheel)
{
dprintln_if(DEBUG_USB_MOUSE, "Mouse scroll event {}", m_wheel);
LibInput::MouseEvent event;
event.type = LibInput::MouseEventType::MouseScrollEvent;
event.scroll_event.scroll = m_wheel;
add_event(BAN::ConstByteSpan::from(event));
m_wheel = 0;
}
for (size_t i = 0; i < m_button_state.size(); i++)
{
if (m_button_state[i] == m_button_state_temp[i])
continue;
const bool pressed = m_button_state_temp[i];
dprintln_if(DEBUG_USB_MOUSE, "Mouse button event {}: {}", i, pressed);
LibInput::MouseEvent event;
event.type = LibInput::MouseEventType::MouseButtonEvent;
event.button_event.pressed = pressed;
event.button_event.button = static_cast<LibInput::MouseButton>(i);
add_event(BAN::ConstByteSpan::from(event));
m_button_state[i] = m_button_state_temp[i];
}
}
void USBMouse::handle_variable(uint16_t usage_page, uint16_t usage, int64_t state)
{
switch (usage_page)
{
case 0x01: // pointer
switch (usage)
{
case 0x30:
m_pointer_x = state;
break;
case 0x31:
m_pointer_y = state;
break;
case 0x38:
m_wheel = state;
break;
default:
dprintln_if(DEBUG_USB_MOUSE, "Unsupported mouse usage {2H} on page {2H}", usage, usage_page);
break;
}
break;
case 0x09: // button
if (usage == 0 || usage >= m_button_state_temp.size())
break;
m_button_state_temp[usage - 1] = state;
break;
default:
dprintln_if(DEBUG_USB_MOUSE, "Unsupported mouse usage page {2H}", usage_page);
break;
}
}
void USBMouse::handle_array(uint16_t usage_page, uint16_t usage)
{
dprintln_if(DEBUG_USB_MOUSE, "Unhandled array report {2H}:{2H}", usage_page, usage);
}
}