116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include "event.h"
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#include "read_events.h"
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args_cancel_thread_read* init_args_read(int fd, event *user_event, Display *display)
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{
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args_cancel_thread_read *ret = (args_cancel_thread_read *) malloc(sizeof(args_cancel_thread_read));
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ret->fd = fd;
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ret->user_event = user_event;
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ret->display = display;
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return ret;
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}
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void cancel_read_events(args_cancel_thread_read *arg)
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{
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int fd = arg->fd;
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/* flush the middle button */
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unsigned char data[3];
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read(fd, data, sizeof(data));
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read(fd, data, sizeof(data));
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free(arg->user_event);
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close(fd);
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XCloseDisplay(arg->display);
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free(arg);
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}
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void write_event(event *new_event, FILE *file)
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{
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fwrite(new_event, sizeof(event), 1, file);
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fflush(file);
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}
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int listen(FILE *file)
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{
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event *user_event = new_event();
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Display *display = XOpenDisplay(0);
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Window root_window = DefaultRootWindow(display);
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XEvent event;
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int bytes;
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unsigned char data[3];
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const char *pDevice = "/dev/input/mice";
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int left = 0;
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int right = 0;
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int middle = 0;
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signed char x, y;
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int fd = open(pDevice, O_RDWR);
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if (fd == -1)
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{
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printf("ERROR Opening %s\n", pDevice);
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return -1;
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}
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pthread_cleanup_push(cancel_read_events, init_args_read(fd, user_event, display));
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while (!(left && right))
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{
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/* Read Mouse */
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bytes = read(fd, data, sizeof(data));
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if (bytes > 0)
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{
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left = data[0] & 0x1;
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right = data[0] & 0x2;
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middle = data[0] & 0x4;
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XQueryPointer(
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display,
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root_window,
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&event.xbutton.root,
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&event.xbutton.subwindow,
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&event.xbutton.x_root,
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&event.xbutton.y_root,
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&event.xbutton.x,
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&event.xbutton.y,
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&event.xbutton.state
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);
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/* printf("%d - %d\n", event.xmotion.x, event.xmotion.y); */
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if (left || right) {
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mouse_button type_button = M_NONE;
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if (left) type_button |= M_LEFT;
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if (right) type_button |= M_RIGHT;
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if (middle) type_button |= M_MIDDLE;
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mouse_event_coord(user_event, type_button, event.xmotion.x, event.xmotion.y);
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write_event(user_event, file);
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}
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}
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}
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/* flush the middle button */
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bytes = read(fd, data, sizeof(data));
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bytes = read(fd, data, sizeof(data));
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free(user_event);
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close(fd);
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XCloseDisplay(display);
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pthread_cleanup_pop(1);
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return 0;
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}
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