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i3bar: Honor "urgent" protocol hint by unhiding

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This commit is contained in:
Quentin Glidic 2012-08-21 13:52:15 +02:00 committed by Michael Stapelberg
parent 830829922b
commit 89ca48be20
2 changed files with 24 additions and 3 deletions
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2
i3bar/include/common.h
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@ -34,6 +34,8 @@ struct status_block {
char *color;
bool urgent;
/* The amount of pixels necessary to render this block. This variable is
* only temporarily used in refresh_statusline(). */
uint32_t width;

25
i3bar/src/child.c
View File

@ -36,6 +36,9 @@ yajl_callbacks callbacks;
yajl_handle parser;
typedef struct parser_ctx {
/* True if one of the parsed blocks was urgent */
bool has_urgent;
/* A copy of the last JSON map key. */
char *last_map_key;
@ -109,6 +112,14 @@ static int stdin_map_key(void *context, const unsigned char *key, unsigned int l
return 1;
}
static int stdin_boolean(void *context, int val) {
parser_ctx *ctx = context;
if (strcasecmp(ctx->last_map_key, "urgent") == 0) {
ctx->block.urgent = val;
}
return 1;
}
#if YAJL_MAJOR >= 2
static int stdin_string(void *context, const unsigned char *val, size_t len) {
#else
@ -132,6 +143,8 @@ static int stdin_end_map(void *context) {
* i3bar doesn’t crash and the user gets an annoying message. */
if (!new_block->full_text)
new_block->full_text = i3string_from_utf8("SPEC VIOLATION (null)");
if (new_block->urgent)
ctx->has_urgent = true;
TAILQ_INSERT_TAIL(&statusline_head, new_block, blocks);
return 1;
}
@ -203,8 +216,9 @@ static void read_flat_input(char *buffer, int length) {
first->full_text = i3string_from_utf8(buffer);
}
static void read_json_input(unsigned char *input, int length) {
static bool read_json_input(unsigned char *input, int length) {
yajl_status status = yajl_parse(parser, input, length);
bool has_urgent = false;
#if YAJL_MAJOR >= 2
if (status != yajl_status_ok) {
#else
@ -212,7 +226,10 @@ static void read_json_input(unsigned char *input, int length) {
#endif
fprintf(stderr, "[i3bar] Could not parse JSON input (code %d): %.*s\n",
status, length, input);
} else if (parser_context.has_urgent) {
has_urgent = true;
}
return has_urgent;
}
/*
@ -225,13 +242,14 @@ void stdin_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
unsigned char *buffer = get_buffer(watcher, &rec);
if (buffer == NULL)
return;
bool has_urgent = false;
if (child.version > 0) {
read_json_input(buffer, rec);
has_urgent = read_json_input(buffer, rec);
} else {
read_flat_input((char*)buffer, rec);
}
free(buffer);
draw_bars(false);
draw_bars(has_urgent);
}
/*
@ -293,6 +311,7 @@ void start_child(char *command) {
/* Allocate a yajl parser which will be used to parse stdin. */
memset(&callbacks, '\0', sizeof(yajl_callbacks));
callbacks.yajl_map_key = stdin_map_key;
callbacks.yajl_boolean = stdin_boolean;
callbacks.yajl_string = stdin_string;
callbacks.yajl_start_array = stdin_start_array;
callbacks.yajl_end_array = stdin_end_array;