diff options
Diffstat (limited to 'hotkeythingy.c')
| -rw-r--r-- | hotkeythingy.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/hotkeythingy.c b/hotkeythingy.c deleted file mode 100644 index dcbcc08..0000000 --- a/hotkeythingy.c +++ /dev/null @@ -1,190 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <unistd.h> - -typedef struct Command { - char* command; - unsigned int mode; - int persist; -} Command; - -typedef struct Key { - unsigned int mod; - KeySym key; - Command command; -} Key; - -typedef struct ModeProperties { - char* label; -} ModeProperties; - -#define NormalMode -1 - -#define cmd(c) (Command) { c, NormalMode, False } -#define mode(m, p) (Command) { NULL, m, p } - -#include "config.h" - -#define LENGTH(X) (sizeof X / sizeof X[0]) -#define CLEANMASK(mask) (mask & ~LockMask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask)) - -int current_mode = NormalMode; -int is_mode_persistent = 0; - -extern char** environ; - -void bind_key(Display *dpy, Window win, unsigned int mod, KeySym key) { - int keycode = XKeysymToKeycode(dpy, key); - XGrabKey(dpy, keycode, mod, win, False, GrabModeAsync, GrabModeAsync); -} -void unbind_key(Display *dpy, Window win, unsigned int mod, KeySym key) { - int keycode = XKeysymToKeycode(dpy, key); - XUngrabKey(dpy, keycode, mod, win); -} - -int error_handler(Display *disp, XErrorEvent *xe) { - switch(xe->error_code) { - case BadAccess: - printf("hotkeythingy: [BadAccess] Cant grab key binding. Already grabbed\n"); - return 0; - } - - printf("hotkeythingy: Something went wrong\n"); - return 1; -} - -void spawn(char** command) { - if (fork() == 0) { - setsid(); - execve(command[0], command, environ); - fprintf(stderr, "hotkeythingy: execve %s", command[0]); - perror(" failed"); - exit(0); - } -} - -char* get_mode_label() { - if (current_mode == NormalMode) return ""; - if (LENGTH(mode_properties) <= current_mode) return ""; - ModeProperties props = mode_properties[current_mode]; - return props.label; -} - -void handle_mode_change() { - char str[255]; - - sprintf(str, "%d", current_mode); - setenv("MODE_ID", str, 1); - - sprintf(str, "%s", get_mode_label()); - setenv("MODE_LABEL", str, 1); - - char* cmd[] = {shell, "-c", on_mode_change, NULL}; - spawn(cmd); -} - -void set_mode(int mode, unsigned int persist) { - current_mode = mode; - is_mode_persistent = persist; - handle_mode_change(); -} - -void run(Display* dpy, Window win, Command command) { - Key mode_key; - unsigned int i; - - if (command.command) { - char* cmd[] = {shell, "-c", command.command, NULL}; - spawn(cmd); - } else if(command.mode != NormalMode) { - // Bind keyboard for mode - XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, CurrentTime); - - // Bind an escape key to quit mode - bind_key(dpy, win, 0, XK_Escape); - - // Set mode - set_mode(command.mode, command.persist); - } -} - -void keypress(Display *dpy, Window win, XKeyEvent *ev) { - unsigned int i; - Key mode_key; - KeySym keysym = XKeycodeToKeysym(dpy, (KeyCode) ev->keycode, 0); - - if (current_mode == NormalMode) { - // Bind all the normal mode keys - for (i = 0; i < LENGTH(keys); i++) { - if (keysym == keys[i].key && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)) { - run(dpy, win, keys[i].command); - } - } - } else { - // Will quit if the key pressed is not defined in the mode - is_mode_persistent = False; - - if (modes[current_mode] && current_mode < LENGTH(modes)) { - // Check if key is in mode and execute - for (i = 0; i < LENGTH(modes[current_mode]); i++) { - mode_key = modes[current_mode][i]; - - if (keysym == mode_key.key && CLEANMASK(mode_key.mod) == CLEANMASK(ev->state)) { - // Action taken so keep the mode alive - is_mode_persistent = True; - run(dpy, win, mode_key.command); - } - } - - if (!is_mode_persistent) { - // Unbind mode related keys - XUngrabKeyboard(dpy, CurrentTime); - - // Unbind escape key - unbind_key(dpy, win, 0, XK_Escape); - } - } - - if (!is_mode_persistent) { - set_mode(NormalMode, False); - } - } -} - -int main() { - XSetErrorHandler(error_handler); - - int running = 1, i = 0; - - Display *dpy = XOpenDisplay(0); - Window root = DefaultRootWindow(dpy); - - // Grab keys - for (i = 0; i < LENGTH(keys); i++) { - bind_key(dpy, root, keys[i].mod, keys[i].key); - } - - XSelectInput(dpy, root, KeyPressMask); - - handle_mode_change(); - - /* main event loop */ - XEvent ev; - XSync(dpy, False); - while (running) { - XMaskEvent(dpy, KeyPressMask, &ev); - - switch (ev.type) { - case KeyPress: { - keypress(dpy, root, &ev.xkey); - break; - } - } - } - - XCloseDisplay(dpy); -} - |