void handle_button_down(Display* display, GC gc, XButtonEvent* button_event, unsigned int win_width, unsigned int win_height) {
int x = button_event->x;
int y = button_event->y;
if(is_OK(x, y)) {
prevx = x;
prevy = y;
}
}
void handle_drag(Display* display, GC gc, XButtonEvent* drag_event, unsigned int win_width, unsigned int win_height, int sockfd) {
int x, y;
x = drag_event->x;
y = drag_event->y;
if(is_OK(x, y)) {
XDrawLine(display, drag_event->window, gc, prevx, prevy, x, y);
XDrawLine(display, back_buffer, gc, prevx, prevy, x, y);
if(sending) send_comm(sockfd, prevx, prevy, x, y, 0);
prevx = x;
prevy = y;
}
XFlush(display);
}
void indexed_vector<T>::resize(unsigned data_size) {
clear();
m_data.resize(data_size, numeric_traits<T>::zero());
SASSERT(is_OK());
}
