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#include "WSScreen.h"
#include "WSEventLoop.h"
#include "WSEvent.h"
#include "WSWindowManager.h"
#include <AK/Assertions.h>
static WSScreen* s_the;
void WSScreen::initialize()
{
s_the = nullptr;
}
WSScreen& WSScreen::the()
{
ASSERT(s_the);
return *s_the;
}
WSScreen::WSScreen(RGBA32* framebuffer, unsigned width, unsigned height)
: m_framebuffer(framebuffer)
, m_width(width)
, m_height(height)
{
ASSERT(!s_the);
s_the = this;
m_cursor_location = rect().center();
}
WSScreen::~WSScreen()
{
}
void WSScreen::on_receive_mouse_data(int dx, int dy, bool left_button, bool right_button)
{
auto prev_location = m_cursor_location;
m_cursor_location.move_by(dx, dy);
m_cursor_location.constrain(rect());
if (m_cursor_location.x() >= width())
m_cursor_location.set_x(width() - 1);
if (m_cursor_location.y() >= height())
m_cursor_location.set_y(height() - 1);
unsigned buttons = 0;
if (left_button)
buttons |= (unsigned)MouseButton::Left;
if (right_button)
buttons |= (unsigned)MouseButton::Right;
if (m_cursor_location != prev_location) {
auto event = make<MouseEvent>(WSEvent::MouseMove, m_cursor_location, buttons);
WSEventLoop::the().post_event(&WSWindowManager::the(), move(event));
}
bool prev_left_button = m_left_mouse_button_pressed;
bool prev_right_button = m_right_mouse_button_pressed;
m_left_mouse_button_pressed = left_button;
m_right_mouse_button_pressed = right_button;
if (prev_left_button != left_button) {
auto event = make<MouseEvent>(left_button ? WSEvent::MouseDown : WSEvent::MouseUp, m_cursor_location, buttons, MouseButton::Left);
WSEventLoop::the().post_event(&WSWindowManager::the(), move(event));
}
if (prev_right_button != right_button) {
auto event = make<MouseEvent>(right_button ? WSEvent::MouseDown : WSEvent::MouseUp, m_cursor_location, buttons, MouseButton::Right);
WSEventLoop::the().post_event(&WSWindowManager::the(), move(event));
}
if (m_cursor_location != prev_location || prev_left_button != left_button)
WSWindowManager::the().draw_cursor();
}
void WSScreen::on_receive_keyboard_data(Keyboard::Key key)
{
auto event = make<KeyEvent>(WSEvent::KeyDown, 0);
int key_code = 0;
switch (key.character) {
case 8: key_code = KeyboardKey::Backspace; break;
case 10: key_code = KeyboardKey::Return; break;
}
event->m_key = key_code;
if (key.character) {
char buf[] = { 0, 0 };
char& ch = buf[0];
ch = key.character;
if (key.shift()) {
if (ch >= 'a' && ch <= 'z') {
ch &= ~0x20;
} else {
switch (ch) {
case '1': ch = '!'; break;
case '2': ch = '@'; break;
case '3': ch = '#'; break;
case '4': ch = '$'; break;
case '5': ch = '%'; break;
case '6': ch = '^'; break;
case '7': ch = '&'; break;
case '8': ch = '*'; break;
case '9': ch = '('; break;
case '0': ch = ')'; break;
case '-': ch = '_'; break;
case '=': ch = '+'; break;
case '`': ch = '~'; break;
case ',': ch = '<'; break;
case '.': ch = '>'; break;
case '/': ch = '?'; break;
case '[': ch = '{'; break;
case ']': ch = '}'; break;
case '\\': ch = '|'; break;
case '\'': ch = '"'; break;
case ';': ch = ':'; break;
}
}
}
event->m_text = buf;
}
event->m_shift = key.shift();
event->m_ctrl = key.ctrl();
event->m_alt = key.alt();
WSEventLoop::the().post_event(&WSWindowManager::the(), move(event));
}
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