virtual void handle_key_event(g_key_event& e) {
waitingInputLock.lock();
waitingInput.push_back(g_keyboard::fullKeyInfo(e.info));
lastInput = g_millis();
noInputAvailable = false;
waitingInputLock.unlock();
}
void message_test_sender() {
g_sleep(1000);
klog("starting to send old messages");
for (;;) {
g_message message;
int c = 4000;
auto start = g_millis();
for (int i = 0; i < c; i++) {
g_send_msg(message_receiver_tid, &message);
}
klog("%i took %i ms", c, g_millis() - start);
g_sleep(1000);
}
}
int main() {
signal(SIGINT, SIG_IGN);
uint32_t idles = 0;
uint64_t last = 0;
again:
uint64_t now = g_millis();
if (now - last > 1000) {
last = now;
klog("%i idles per second", idles);
idles = 0;
}
++idles;
asm("hlt");
goto again;
}
virtual void handle_focus_changed(bool now_focused) {
focused = now_focused;
paint_uptodate = false;
lastInput = g_millis();
}
void gui_screen_t::paint() {
g_create_thread((void*) blinkCursorThread);
int padding = 5;
while (true) {
auto windowBounds = window->getBounds();
canvas->setBounds(g_rectangle(0, 0, windowBounds.width, windowBounds.height));
auto cr = getGraphics();
if (cr == 0) {
g_sleep(100);
continue;
}
// clear
cairo_save(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr);
cairo_restore(cr);
// relayout text
g_text_layouter::getInstance()->layout(cr, output.c_str(), font, 14,
g_rectangle(padding, padding, windowBounds.width - 2 * padding - 20, windowBounds.height - 2 * padding), g_text_alignment::LEFT, viewModel,
true);
// check which is the lowest-down-the-screen character
int highesty = 0;
for (g_positioned_glyph& g : viewModel->positions) {
int ypos = g.position.y - g.glyph->y;
if (ypos > highesty) {
highesty = ypos;
}
}
// calculate limit
int yLimit = windowBounds.height - 60;
int yOffset = 0;
if (highesty > yLimit) {
yOffset = yLimit - highesty;
}
// paint characters
g_point last;
cairo_set_source_rgba(cr, 1, 1, 1, 1);
for (g_positioned_glyph& g : viewModel->positions) {
last = g.position;
cairo_save(cr);
cairo_translate(cr, g.position.x - g.glyph->x, yOffset + g.position.y - g.glyph->y);
cairo_glyph_path(cr, g.glyph, g.glyph_count);
cairo_fill(cr);
cairo_restore(cr);
}
// paint cursor
if (focused) {
if ((g_millis() - lastInput < 300) || cursorBlink) {
cairo_save(cr);
cairo_set_source_rgba(cr, 1, 1, 1, 1);
cairo_rectangle(cr, last.x + 10, yOffset + last.y - 12, 8, 14);
cairo_fill(cr);
cairo_restore(cr);
}
}
canvas->blit(g_rectangle(0, 0, bufferSize.width, bufferSize.height));
paint_uptodate = true;
g_atomic_block(&paint_uptodate);
}
}
