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Implement modes. Modes allow you to use different keybindings and switch between them. 

For example, you can create a mode which will let you resize windows
with some easy to use keys. So, instead of binding a combination
of your homerow and modifiers to resize, like this:

	bind Mod4+44 resize right +10
	bind Mod4+45 resize right -10
	...

You can instead define a new mode:

	mode "resize" {
		bind 44 resize right +10
		bind 45 resize right -10
		...
		bind 36 mode default
	}

	bindsym Mod4+r mode resize

So, if you press Mod4+r now, your keybindings will be set to the ones
defined in your resize mode above. You can then use your homerow
(without any other modifier) to resize the current column/row and
press enter to go back to the default mode when you are done.

Note that using this option requires you to enable the new lexer/parser
by passing the -l flag to i3 when starting.
This commit is contained in:
Michael Stapelberg 2009-09-27 18:45:39 +02:00
parent 97d949d16c
commit 8f67eba044
7 changed files with 96 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
include/config.h
View File

@ -21,6 +21,7 @@
typedef struct Config Config;
extern Config config;
extern bool config_use_lexer;
extern SLIST_HEAD(modes_head, Mode) modes;
/**
* Part of the struct Config. It makes sense to group colors for background,
@ -46,6 +47,19 @@ struct Variable {
SLIST_ENTRY(Variable) variables;
};
/**
* The configuration file can contain multiple sets of bindings. Apart from the
* default set (name == "default"), you can specify other sets and change the
* currently active set of bindings by using the "mode <name>" command.
*
*/
struct Mode {
char *name;
struct bindings_head *bindings;
SLIST_ENTRY(Mode) modes;
};
/**
* Holds part of the configuration (the part which is not already in dedicated
* structures in include/data.h).
@ -97,4 +111,10 @@ void ungrab_all_keys(xcb_connection_t *conn);
*/
void grab_all_keys(xcb_connection_t *conn);
/**
* Switches the key bindings to the given mode, if the mode exists
*
*/
void switch_mode(xcb_connection_t *conn, const char *new_mode);
#endif

2
include/i3.h
View File

@ -27,7 +27,7 @@ extern xcb_connection_t *global_conn;
extern xcb_key_symbols_t *keysyms;
extern char **start_argv;
extern Display *xkbdpy;
extern TAILQ_HEAD(bindings_head, Binding) bindings;
extern TAILQ_HEAD(bindings_head, Binding) *bindings;
extern TAILQ_HEAD(autostarts_head, Autostart) autostarts;
extern TAILQ_HEAD(assignments_head, Assignment) assignments;
extern SLIST_HEAD(stack_wins_head, Stack_Window) stack_wins;

17
src/cfgparse.y
View File

@ -222,7 +222,7 @@ command:
bindline:
binding
{
TAILQ_INSERT_TAIL(&bindings, $<binding>1, bindings);
TAILQ_INSERT_TAIL(bindings, $<binding>1, bindings);
}
;
@ -262,8 +262,23 @@ bindsym:
mode:
TOKMODE WHITESPACE QUOTEDSTRING WHITESPACE '{' modelines '}'
{
if (strcasecmp($<string>3, "default") == 0) {
printf("You cannot use the name \"default\" for your mode\n");
exit(1);
}
printf("\t now in mode %s\n", $<string>3);
printf("\t current bindings = %p\n", current_bindings);
Binding *binding;
TAILQ_FOREACH(binding, current_bindings, bindings) {
printf("got binding on mods %d, keycode %d, symbol %s, command %s\n",
binding->mods, binding->keycode, binding->symbol, binding->command);
}
struct Mode *mode = scalloc(sizeof(struct Mode));
mode->name = strdup($<string>3);
mode->bindings = current_bindings;
current_bindings = NULL;
SLIST_INSERT_HEAD(&modes, mode, modes);
}
;

6
src/commands.c
View File

@ -948,6 +948,12 @@ void parse_command(xcb_connection_t *conn, const char *command) {
return;
}
if (STARTS_WITH(command, "mode ")) {
const char *rest = command + strlen("mode ");
switch_mode(conn, rest);
return;
}
/* Is it an <exit>? */
if (STARTS_WITH(command, "exit")) {
LOG("User issued exit-command, exiting without error.\n");

58
src/config.c
View File

@ -31,6 +31,7 @@
void parse_file(const char *f);
Config config;
struct modes_head modes;
bool config_use_lexer = false;
@ -99,7 +100,7 @@ static void grab_keycode_for_binding(xcb_connection_t *conn, Binding *bind, uint
*/
void grab_all_keys(xcb_connection_t *conn) {
Binding *bind;
TAILQ_FOREACH(bind, &bindings, bindings) {
TAILQ_FOREACH(bind, bindings, bindings) {
/* The easy case: the user specified a keycode directly. */
if (bind->keycode > 0) {
grab_keycode_for_binding(conn, bind, bind->keycode);
@ -137,6 +138,28 @@ void grab_all_keys(xcb_connection_t *conn) {
}
}
/*
* Switches the key bindings to the given mode, if the mode exists
*
*/
void switch_mode(xcb_connection_t *conn, const char *new_mode) {
struct Mode *mode;
LOG("Switching to mode %s\n", new_mode);
SLIST_FOREACH(mode, &modes, modes) {
if (strcasecmp(mode->name, new_mode) != 0)
continue;
ungrab_all_keys(conn);
bindings = mode->bindings;
grab_all_keys(conn);
return;
}
LOG("ERROR: Mode not found\n");
}
/*
* Reads the configuration from ~/.i3/config or /etc/i3/config if not found.
*
@ -149,13 +172,22 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
/* First ungrab the keys */
ungrab_all_keys(conn);
/* Clear the old binding and assignment lists */
struct Mode *mode;
Binding *bind;
while (!TAILQ_EMPTY(&bindings)) {
bind = TAILQ_FIRST(&bindings);
TAILQ_REMOVE(&bindings, bind, bindings);
FREE(bind->command);
FREE(bind);
while (!SLIST_EMPTY(&modes)) {
mode = SLIST_FIRST(&modes);
FREE(mode->name);
/* Clear the old binding list */
bindings = mode->bindings;
while (!TAILQ_EMPTY(bindings)) {
bind = TAILQ_FIRST(bindings);
TAILQ_REMOVE(bindings, bind, bindings);
FREE(bind->command);
FREE(bind);
}
FREE(bindings);
SLIST_REMOVE(&modes, mode, Mode, modes);
}
struct Assignment *assign;
@ -167,6 +199,16 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
}
}
SLIST_INIT(&modes);
struct Mode *default_mode = scalloc(sizeof(struct Mode));
default_mode->name = sstrdup("default");
default_mode->bindings = scalloc(sizeof(struct bindings_head));
TAILQ_INIT(default_mode->bindings);
SLIST_INSERT_HEAD(&modes, default_mode, modes);
bindings = default_mode->bindings;
SLIST_HEAD(variables_head, Variable) variables;
#define OPTION_STRING(name) \
@ -364,7 +406,7 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
LOG("keycode = %d, symbol = %s, modifiers = %d, command = *%s*\n", new->keycode, new->symbol, modifiers, rest);
new->mods = modifiers;
new->command = sstrdup(rest);
TAILQ_INSERT_TAIL(&bindings, new, bindings);
TAILQ_INSERT_TAIL(bindings, new, bindings);
continue;
}

4
src/handlers.c
View File

@ -116,7 +116,7 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
/* Find the binding */
Binding *bind;
TAILQ_FOREACH(bind, &bindings, bindings) {
TAILQ_FOREACH(bind, bindings, bindings) {
/* First compare the modifiers */
if (bind->mods != state_filtered)
continue;
@ -137,7 +137,7 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
/* No match? Then it was an actively grabbed key, that is with Mode_switch, and
the user did not press Mode_switch, so just pass it… */
if (bind == TAILQ_END(&bindings)) {
if (bind == TAILQ_END(bindings)) {
xcb_allow_events(conn, ReplayKeyboard, event->time);
xcb_flush(conn);
return 1;

2
src/mainx.c
View File

@ -61,7 +61,7 @@ Display *xkbdpy;
xcb_key_symbols_t *keysyms;
/* The list of key bindings */
struct bindings_head bindings = TAILQ_HEAD_INITIALIZER(bindings);
struct bindings_head *bindings;
/* The list of exec-lines */
struct autostarts_head autostarts = TAILQ_HEAD_INITIALIZER(autostarts);