void guac_terminal_scrollbar_flush(guac_terminal_scrollbar* scrollbar) {
guac_socket* socket = scrollbar->client->socket;
/* Get old state */
int old_value = scrollbar->value;
guac_terminal_scrollbar_render_state* old_state = &scrollbar->render_state;
/* Calculate new state */
int new_value;
guac_terminal_scrollbar_render_state new_state;
calculate_state(scrollbar, &new_state, &new_value);
/* Notify of scroll if value is changing */
if (new_value != old_value && scrollbar->scroll_handler)
scrollbar->scroll_handler(scrollbar, new_value);
/* Reposition container if moved */
if (old_state->container_x != new_state.container_x
|| old_state->container_y != new_state.container_y) {
guac_terminal_scrollbar_move_container(scrollbar, &new_state, socket);
}
/* Resize and redraw container if size changed */
if (old_state->container_width != new_state.container_width
|| old_state->container_height != new_state.container_height) {
guac_terminal_scrollbar_draw_container(scrollbar, &new_state, socket);
}
/* Reposition handle if moved */
if (old_state->handle_x != new_state.handle_x
|| old_state->handle_y != new_state.handle_y) {
guac_terminal_scrollbar_move_handle(scrollbar, &new_state, socket);
}
/* Resize and redraw handle if size changed */
if (old_state->handle_width != new_state.handle_width
|| old_state->handle_height != new_state.handle_height) {
guac_terminal_scrollbar_draw_handle(scrollbar, &new_state, socket);
}
/* Store current render state */
scrollbar->render_state = new_state;
}
void guac_terminal_scrollbar_flush(guac_terminal_scrollbar* scrollbar) {
guac_socket* socket = scrollbar->client->socket;
/* Get old state */
int old_value = scrollbar->value;
guac_terminal_scrollbar_render_state* old_state = &scrollbar->render_state;
/* Calculate new state */
int new_value;
guac_terminal_scrollbar_render_state new_state;
calculate_state(scrollbar, &new_state, &new_value);
/* Notify of scroll if value is changing */
if (new_value != old_value && scrollbar->scroll_handler)
scrollbar->scroll_handler(scrollbar, new_value);
/* Reposition container if moved */
if (old_state->container_x != new_state.container_x
|| old_state->container_y != new_state.container_y) {
guac_protocol_send_move(socket,
scrollbar->container, scrollbar->parent,
new_state.container_x,
new_state.container_y,
0);
}
/* Resize and redraw container if size changed */
if (old_state->container_width != new_state.container_width
|| old_state->container_height != new_state.container_height) {
/* Set new size */
guac_protocol_send_size(socket, scrollbar->container,
new_state.container_width,
new_state.container_height);
/* Fill container with solid color */
guac_protocol_send_rect(socket, scrollbar->container, 0, 0,
new_state.container_width,
new_state.container_height);
guac_protocol_send_cfill(socket, GUAC_COMP_SRC, scrollbar->container,
0x40, 0x40, 0x40, 0xFF);
}
/* Reposition handle if moved */
if (old_state->handle_x != new_state.handle_x
|| old_state->handle_y != new_state.handle_y) {
guac_protocol_send_move(socket,
scrollbar->handle, scrollbar->container,
new_state.handle_x,
new_state.handle_y,
0);
}
/* Resize and redraw handle if size changed */
if (old_state->handle_width != new_state.handle_width
|| old_state->handle_height != new_state.handle_height) {
/* Send new size */
guac_protocol_send_size(socket, scrollbar->handle,
new_state.handle_width,
new_state.handle_height);
/* Fill and stroke handle with solid color */
guac_protocol_send_rect(socket, scrollbar->handle, 0, 0,
new_state.handle_width,
new_state.handle_height);
guac_protocol_send_cfill(socket, GUAC_COMP_SRC, scrollbar->handle,
0x80, 0x80, 0x80, 0xFF);
guac_protocol_send_cstroke(socket, GUAC_COMP_OVER, scrollbar->handle,
GUAC_LINE_CAP_SQUARE, GUAC_LINE_JOIN_MITER, 2,
0xA0, 0xA0, 0xA0, 0xFF);
}
/* Store current render state */
scrollbar->render_state = new_state;
}
