#include "window.h"
#include "wm.h"
-static int dev_fd = -1;
-static enum {RAW, CANONICAL} ttystate = CANONICAL;
+struct Keyboard {
+ int dev_fd;
+ enum {RAW, CANONICAL} ttystate;
+};
+
+static Keyboard *keyboard;
bool init_keyboard()
{
- if((dev_fd = open("/dev/tty", O_RDWR)) == -1) {
+ if(!(keyboard = (Keyboard*)malloc(sizeof *keyboard))) {
+ return false;
+ }
+
+ keyboard->ttystate = keyboard->CANONICAL;
+ keyboard->dev_fd = -1;
+
+ if((keyboard->dev_fd = open("/dev/tty", O_RDWR)) == -1) {
fprintf(stderr, "Cannot open /dev/tty : %s\n", strerror(errno));
return false;
}
struct termios buf;
- if(tcgetattr(dev_fd, &buf) < 0) {
+ if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
return false;
}
buf.c_cflag |= CS8;
buf.c_oflag &= ~(OPOST);
- if(tcsetattr(dev_fd, TCSAFLUSH, &buf) < 0) {
+ if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
return false;
}
- ttystate = RAW;
+ keyboard->ttystate = keyboard->RAW;
return true;
}
{
struct termios buf;
- if(tcgetattr(dev_fd, &buf) < 0) {
+ if(tcgetattr(keyboard->dev_fd, &buf) < 0) {
fprintf(stderr, "Cannot get the tty parameters : %s\n", strerror(errno));
}
buf.c_cflag &= CS8;
buf.c_oflag |= (OPOST);
- if(tcsetattr(dev_fd, TCSAFLUSH, &buf) < 0) {
+ if(tcsetattr(keyboard->dev_fd, TCSAFLUSH, &buf) < 0) {
fprintf(stderr, "Cannot set the tty parameters : %s\n", strerror(errno));
}
- ttystate = CANONICAL;
+ keyboard->ttystate = keyboard->CANONICAL;
- if(dev_fd != -1) {
- close(dev_fd);
- dev_fd = -1;
+ if(keyboard->dev_fd != -1) {
+ close(keyboard->dev_fd);
+ keyboard->dev_fd = -1;
}
+
+ free(keyboard);
}
int get_keyboard_fd()
{
- return dev_fd;
+ return keyboard->dev_fd;
}
void process_keyboard_event()
{
char key;
- if(read(dev_fd, &key, 1) < 1) {
+ if(read(keyboard->dev_fd, &key, 1) < 1) {
return;
}