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https://github.com/swaywm/sway.git
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Render i3bar blocks
This commit is contained in:
Drew DeVault
parent
ee85c91831
commit
333dbcbe72
7 changed files with 314 additions and 34 deletions
120
swaybar/i3bar.c
120
swaybar/i3bar.c
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@ -1,3 +1,5 @@
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#define _POSIX_C_SOURCE 200809L
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#include <json-c/json.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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@ -5,11 +7,109 @@
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#include "swaybar/config.h"
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#include "swaybar/status_line.h"
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static void i3bar_parse_json(struct status_line *status, const char *text) {
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wlr_log(L_DEBUG, "got json: %s", text);
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static void i3bar_block_free(struct i3bar_block *block) {
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if (!block) {
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return;
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}
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wl_list_remove(&block->link);
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free(block->full_text);
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free(block->short_text);
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free(block->align);
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free(block->name);
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free(block->instance);
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free(block->color);
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}
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int i3bar_readable(struct status_line *status) {
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static bool i3bar_parse_json(struct status_line *status, const char *text) {
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struct i3bar_block *block, *tmp;
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wl_list_for_each_safe(block, tmp, &status->blocks, link) {
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i3bar_block_free(block);
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}
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json_object *results = json_tokener_parse(text);
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if (!results) {
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status_error(status, "[failed to parse i3bar json]");
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return false;
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}
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if (json_object_array_length(results) < 1) {
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return true;
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}
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for (size_t i = 0; i < json_object_array_length(results); ++i) {
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json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
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json_object *name, *instance, *separator, *separator_block_width;
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json_object *background, *border, *border_top, *border_bottom;
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json_object *border_left, *border_right, *markup;
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json_object *json = json_object_array_get_idx(results, i);
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if (!json) {
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continue;
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}
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json_object_object_get_ex(json, "full_text", &full_text);
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json_object_object_get_ex(json, "short_text", &short_text);
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json_object_object_get_ex(json, "color", &color);
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json_object_object_get_ex(json, "min_width", &min_width);
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json_object_object_get_ex(json, "align", &align);
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json_object_object_get_ex(json, "urgent", &urgent);
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json_object_object_get_ex(json, "name", &name);
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json_object_object_get_ex(json, "instance", &instance);
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json_object_object_get_ex(json, "markup", &markup);
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json_object_object_get_ex(json, "separator", &separator);
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json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
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json_object_object_get_ex(json, "background", &background);
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json_object_object_get_ex(json, "border", &border);
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json_object_object_get_ex(json, "border_top", &border_top);
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json_object_object_get_ex(json, "border_bottom", &border_bottom);
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json_object_object_get_ex(json, "border_left", &border_left);
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json_object_object_get_ex(json, "border_right", &border_right);
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struct i3bar_block *block = calloc(1, sizeof(struct i3bar_block));
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block->full_text = full_text ?
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strdup(json_object_get_string(full_text)) : NULL;
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block->short_text = short_text ?
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strdup(json_object_get_string(short_text)) : NULL;
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if (color) {
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block->color = malloc(sizeof(uint32_t));
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*block->color = parse_color(json_object_get_string(color));
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}
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if (min_width) {
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json_type type = json_object_get_type(min_width);
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if (type == json_type_int) {
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block->min_width = json_object_get_int(min_width);
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} else if (type == json_type_string) {
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/* the width will be calculated when rendering */
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block->min_width = 0;
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}
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}
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block->align = strdup(align ? json_object_get_string(align) : "left");
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block->urgent = urgent ? json_object_get_int(urgent) : false;
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block->name = name ? strdup(json_object_get_string(name)) : NULL;
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block->instance = instance ?
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strdup(json_object_get_string(instance)) : NULL;
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if (markup) {
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block->markup = false;
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const char *markup_str = json_object_get_string(markup);
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if (strcmp(markup_str, "pango") == 0) {
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block->markup = true;
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}
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}
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block->separator = separator ? json_object_get_int(separator) : true;
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block->separator_block_width = separator_block_width ?
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json_object_get_int(separator_block_width) : 9;
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// Airblader features
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block->background = background ?
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parse_color(json_object_get_string(background)) : 0;
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block->border = border ?
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parse_color(json_object_get_string(border)) : 0;
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block->border_top = border_top ? json_object_get_int(border_top) : 1;
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block->border_bottom = border_bottom ?
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json_object_get_int(border_bottom) : 1;
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block->border_left = border_left ? json_object_get_int(border_left) : 1;
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block->border_right = border_right ?
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json_object_get_int(border_right) : 1;
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wl_list_insert(&status->blocks, &block->link);
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}
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return true;
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}
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bool i3bar_handle_readable(struct status_line *status) {
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struct i3bar_protocol_state *state = &status->i3bar_state;
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char *cur = &state->buffer[state->buffer_index];
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@ -30,7 +130,7 @@ int i3bar_readable(struct status_line *status) {
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state->buffer = new_buffer;
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}
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int handled = 0;
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bool redraw = false;
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while (*cur) {
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if (state->nodes[state->depth] == JSON_NODE_STRING) {
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if (!state->escape && *cur == '"') {
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@ -44,7 +144,7 @@ int i3bar_readable(struct status_line *status) {
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if (state->depth >
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sizeof(state->nodes) / sizeof(state->nodes[0])) {
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status_error(status, "[i3bar json too deep]");
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return -1;
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return false;
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}
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state->nodes[state->depth] = JSON_NODE_ARRAY;
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if (state->depth == 1) {
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@ -54,18 +154,18 @@ int i3bar_readable(struct status_line *status) {
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case ']':
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if (state->nodes[state->depth] != JSON_NODE_ARRAY) {
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status_error(status, "[failed to parse i3bar json]");
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return -1;
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return false;
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}
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--state->depth;
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if (state->depth == 0) {
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// cur[1] is valid since cur[0] != '\0'
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char p = cur[1];
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cur[1] = '\0';
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i3bar_parse_json(status, state->current_node);
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redraw = i3bar_parse_json(
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status, state->current_node) || redraw;
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cur[1] = p;
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memmove(state->buffer, cur,
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state->buffer_size - (cur - state->buffer));
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++handled;
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cur = state->buffer;
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state->current_node = cur + 1;
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}
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@ -75,7 +175,7 @@ int i3bar_readable(struct status_line *status) {
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if (state->depth >
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sizeof(state->nodes) / sizeof(state->nodes[0])) {
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status_error(status, "[i3bar json too deep]");
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return -1;
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return false;
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}
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state->nodes[state->depth] = JSON_NODE_STRING;
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break;
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@ -84,5 +184,5 @@ int i3bar_readable(struct status_line *status) {
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++cur;
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}
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state->buffer_index = cur - state->buffer;
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return handled;
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return redraw;
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}
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