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-rw-r--r--swaybar/bar.c4
-rw-r--r--swaybar/i3bar.c211
-rw-r--r--swaybar/ipc.c2
-rw-r--r--swaybar/meson.build1
-rw-r--r--swaybar/render.c238
-rw-r--r--swaybar/status_line.c69
6 files changed, 492 insertions, 33 deletions
diff --git a/swaybar/bar.c b/swaybar/bar.c
index f743236c..fb417095 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -308,14 +308,14 @@ static void display_in(int fd, short mask, void *_bar) {
static void ipc_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar;
- if (handle_ipc_event(bar)) {
+ if (handle_ipc_readable(bar)) {
render_all_frames(bar);
}
}
static void status_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar;
- if (handle_status_readable(bar->status)) {
+ if (status_handle_readable(bar->status)) {
render_all_frames(bar);
}
}
diff --git a/swaybar/i3bar.c b/swaybar/i3bar.c
new file mode 100644
index 00000000..ed134a01
--- /dev/null
+++ b/swaybar/i3bar.c
@@ -0,0 +1,211 @@
+#define _POSIX_C_SOURCE 200809L
+#include <json-c/json.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <wlr/util/log.h>
+#include "swaybar/config.h"
+#include "swaybar/status_line.h"
+
+static void i3bar_block_free(struct i3bar_block *block) {
+ if (!block) {
+ return;
+ }
+ wl_list_remove(&block->link);
+ free(block->full_text);
+ free(block->short_text);
+ free(block->align);
+ free(block->name);
+ free(block->instance);
+ free(block->color);
+}
+
+static bool i3bar_parse_json(struct status_line *status, const char *text) {
+ struct i3bar_block *block, *tmp;
+ wl_list_for_each_safe(block, tmp, &status->blocks, link) {
+ i3bar_block_free(block);
+ }
+ json_object *results = json_tokener_parse(text);
+ if (!results) {
+ status_error(status, "[failed to parse i3bar json]");
+ return false;
+ }
+ wlr_log(L_DEBUG, "Got i3bar json: '%s'", text);
+ for (size_t i = 0; i < json_object_array_length(results); ++i) {
+ json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
+ json_object *name, *instance, *separator, *separator_block_width;
+ json_object *background, *border, *border_top, *border_bottom;
+ json_object *border_left, *border_right, *markup;
+ json_object *json = json_object_array_get_idx(results, i);
+ if (!json) {
+ continue;
+ }
+ json_object_object_get_ex(json, "full_text", &full_text);
+ json_object_object_get_ex(json, "short_text", &short_text);
+ json_object_object_get_ex(json, "color", &color);
+ json_object_object_get_ex(json, "min_width", &min_width);
+ json_object_object_get_ex(json, "align", &align);
+ json_object_object_get_ex(json, "urgent", &urgent);
+ json_object_object_get_ex(json, "name", &name);
+ json_object_object_get_ex(json, "instance", &instance);
+ json_object_object_get_ex(json, "markup", &markup);
+ json_object_object_get_ex(json, "separator", &separator);
+ json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
+ json_object_object_get_ex(json, "background", &background);
+ json_object_object_get_ex(json, "border", &border);
+ json_object_object_get_ex(json, "border_top", &border_top);
+ json_object_object_get_ex(json, "border_bottom", &border_bottom);
+ json_object_object_get_ex(json, "border_left", &border_left);
+ json_object_object_get_ex(json, "border_right", &border_right);
+
+ struct i3bar_block *block = calloc(1, sizeof(struct i3bar_block));
+ block->full_text = full_text ?
+ strdup(json_object_get_string(full_text)) : NULL;
+ block->short_text = short_text ?
+ strdup(json_object_get_string(short_text)) : NULL;
+ if (color) {
+ block->color = malloc(sizeof(uint32_t));
+ *block->color = parse_color(json_object_get_string(color));
+ }
+ if (min_width) {
+ json_type type = json_object_get_type(min_width);
+ if (type == json_type_int) {
+ block->min_width = json_object_get_int(min_width);
+ } else if (type == json_type_string) {
+ /* the width will be calculated when rendering */
+ block->min_width = 0;
+ }
+ }
+ block->align = strdup(align ? json_object_get_string(align) : "left");
+ block->urgent = urgent ? json_object_get_int(urgent) : false;
+ block->name = name ? strdup(json_object_get_string(name)) : NULL;
+ block->instance = instance ?
+ strdup(json_object_get_string(instance)) : NULL;
+ if (markup) {
+ block->markup = false;
+ const char *markup_str = json_object_get_string(markup);
+ if (strcmp(markup_str, "pango") == 0) {
+ block->markup = true;
+ }
+ }
+ block->separator = separator ? json_object_get_int(separator) : true;
+ block->separator_block_width = separator_block_width ?
+ json_object_get_int(separator_block_width) : 9;
+ // Airblader features
+ block->background = background ?
+ parse_color(json_object_get_string(background)) : 0;
+ block->border = border ?
+ parse_color(json_object_get_string(border)) : 0;
+ block->border_top = border_top ? json_object_get_int(border_top) : 1;
+ block->border_bottom = border_bottom ?
+ json_object_get_int(border_bottom) : 1;
+ block->border_left = border_left ? json_object_get_int(border_left) : 1;
+ block->border_right = border_right ?
+ json_object_get_int(border_right) : 1;
+ wl_list_insert(&status->blocks, &block->link);
+ }
+ return true;
+}
+
+bool i3bar_handle_readable(struct status_line *status) {
+ struct i3bar_protocol_state *state = &status->i3bar_state;
+
+ char *cur = &state->buffer[state->buffer_index];
+ ssize_t n = read(status->read_fd, cur,
+ state->buffer_size - state->buffer_index);
+ if (n == 0) {
+ return 0;
+ }
+
+ if (n == (ssize_t)(state->buffer_size - state->buffer_index)) {
+ state->buffer_size = state->buffer_size * 2;
+ char *new_buffer = realloc(state->buffer, state->buffer_size);
+ if (!new_buffer) {
+ free(state->buffer);
+ status_error(status, "[failed to allocate buffer]");
+ return -1;
+ }
+ state->buffer = new_buffer;
+ }
+
+ bool redraw = false;
+ while (*cur) {
+ if (state->nodes[state->depth] == JSON_NODE_STRING) {
+ if (!state->escape && *cur == '"') {
+ --state->depth;
+ }
+ state->escape = !state->escape && *cur == '\\';
+ } else {
+ switch (*cur) {
+ case '[':
+ ++state->depth;
+ if (state->depth >
+ sizeof(state->nodes) / sizeof(state->nodes[0])) {
+ status_error(status, "[i3bar json too deep]");
+ return false;
+ }
+ state->nodes[state->depth] = JSON_NODE_ARRAY;
+ if (state->depth == 1) {
+ state->current_node = cur;
+ }
+ break;
+ case ']':
+ if (state->nodes[state->depth] != JSON_NODE_ARRAY) {
+ status_error(status, "[failed to parse i3bar json]");
+ return false;
+ }
+ --state->depth;
+ if (state->depth == 0) {
+ // cur[1] is valid since cur[0] != '\0'
+ char p = cur[1];
+ cur[1] = '\0';
+ redraw = i3bar_parse_json(
+ status, state->current_node) || redraw;
+ cur[1] = p;
+ memmove(state->buffer, cur,
+ state->buffer_size - (cur - state->buffer));
+ cur = state->buffer;
+ state->current_node = cur + 1;
+ }
+ break;
+ case '"':
+ ++state->depth;
+ if (state->depth >
+ sizeof(state->nodes) / sizeof(state->nodes[0])) {
+ status_error(status, "[i3bar json too deep]");
+ return false;
+ }
+ state->nodes[state->depth] = JSON_NODE_STRING;
+ break;
+ }
+ }
+ ++cur;
+ }
+ state->buffer_index = cur - state->buffer;
+ return redraw;
+}
+
+void i3bar_block_send_click(struct status_line *status,
+ struct i3bar_block *block, int x, int y, uint32_t button) {
+ wlr_log(L_DEBUG, "block %s clicked", block->name ? block->name : "(nil)");
+ if (!block->name || !status->i3bar_state.click_events) {
+ return;
+ }
+
+ struct json_object *event_json = json_object_new_object();
+ json_object_object_add(event_json, "name",
+ json_object_new_string(block->name));
+ if (block->instance) {
+ json_object_object_add(event_json, "instance",
+ json_object_new_string(block->instance));
+ }
+
+ json_object_object_add(event_json, "button", json_object_new_int(button));
+ json_object_object_add(event_json, "x", json_object_new_int(x));
+ json_object_object_add(event_json, "y", json_object_new_int(y));
+ if (dprintf(status->write_fd, "%s\n",
+ json_object_to_json_string(event_json)) < 0) {
+ status_error(status, "[failed to write click event]");
+ }
+ json_object_put(event_json);
+}
diff --git a/swaybar/ipc.c b/swaybar/ipc.c
index 64583df0..ed5d9a31 100644
--- a/swaybar/ipc.c
+++ b/swaybar/ipc.c
@@ -323,7 +323,7 @@ void ipc_initialize(struct swaybar *bar, const char *bar_id) {
IPC_SUBSCRIBE, subscribe, &len));
}
-bool handle_ipc_event(struct swaybar *bar) {
+bool handle_ipc_readable(struct swaybar *bar) {
struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
if (!resp) {
return false;
diff --git a/swaybar/meson.build b/swaybar/meson.build
index bf6f6d7a..d65edb11 100644
--- a/swaybar/meson.build
+++ b/swaybar/meson.build
@@ -3,6 +3,7 @@ executable(
'bar.c',
'config.c',
'event_loop.c',
+ 'i3bar.c',
'ipc.c',
'main.c',
'render.c',
diff --git a/swaybar/render.c b/swaybar/render.c
index c2358724..6f3b0788 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -18,10 +18,33 @@ static const int ws_horizontal_padding = 5;
static const double ws_vertical_padding = 1.5;
static const double border_width = 1;
+static uint32_t render_status_line_error(cairo_t *cairo,
+ struct swaybar_config *config, const char *error,
+ double *x, uint32_t width, uint32_t height) {
+ if (!error) {
+ return 0;
+ }
+ cairo_set_source_u32(cairo, 0xFF0000FF);
+ static const int margin = 3;
+ int text_width, text_height;
+ get_text_size(cairo, config->font,
+ &text_width, &text_height, 1, false, "%s", error);
+ uint32_t ideal_height = text_height + ws_vertical_padding * 2;
+ if (height < ideal_height) {
+ return ideal_height;
+ }
+ *x -= text_width + margin;
+ double text_y = height / 2.0 - text_height / 2.0;
+ cairo_move_to(cairo, *x, (int)floor(text_y));
+ pango_printf(cairo, config->font, 1, false, "%s", error);
+ *x -= margin;
+ return ideal_height;
+}
+
static uint32_t render_status_line_text(cairo_t *cairo,
- struct swaybar_config *config, struct status_line *status,
- bool focused, uint32_t width, uint32_t height) {
- if (!status->text) {
+ struct swaybar_config *config, const char *text,
+ bool focused, double *x, uint32_t width, uint32_t height) {
+ if (!text) {
return 0;
}
cairo_set_source_u32(cairo, focused ?
@@ -29,38 +52,211 @@ static uint32_t render_status_line_text(cairo_t *cairo,
static const int margin = 3;
int text_width, text_height;
get_text_size(cairo, config->font, &text_width, &text_height,
- 1, config->pango_markup, "%s", status->text);
+ 1, config->pango_markup, "%s", text);
uint32_t ideal_height = text_height + ws_vertical_padding * 2;
if (height < ideal_height) {
return ideal_height;
}
+ *x -= text_width + margin;
double text_y = height / 2.0 - text_height / 2.0;
- cairo_move_to(cairo, width - text_width - margin, (int)floor(text_y));
- pango_printf(cairo, config->font, 1, config->pango_markup,
- "%s", status->text);
+ cairo_move_to(cairo, *x, (int)floor(text_y));
+ pango_printf(cairo, config->font, 1, config->pango_markup, "%s", text);
+ *x -= margin;
+ return ideal_height;
+}
+
+static void render_sharp_line(cairo_t *cairo, uint32_t color,
+ double x, double y, double width, double height) {
+ cairo_set_source_u32(cairo, color);
+ if (width > 1 && height > 1) {
+ cairo_rectangle(cairo, x, y, width, height);
+ cairo_fill(cairo);
+ } else {
+ if (width == 1) {
+ x += 0.5;
+ height += y;
+ width = x;
+ }
+ if (height == 1) {
+ y += 0.5;
+ width += x;
+ height = y;
+ }
+ cairo_move_to(cairo, x, y);
+ cairo_set_line_width(cairo, 1.0);
+ cairo_line_to(cairo, width, height);
+ cairo_stroke(cairo);
+ }
+}
+
+static void block_hotspot_callback(struct swaybar_output *output,
+ int x, int y, uint32_t button, void *data) {
+ struct i3bar_block *block = data;
+ struct status_line *status = output->bar->status;
+ i3bar_block_send_click(status, block, x, y, button);
+}
+
+static uint32_t render_status_block(cairo_t *cairo,
+ struct swaybar_config *config, struct swaybar_output *output,
+ struct i3bar_block *block, double *x,
+ uint32_t height, bool focused, bool edge) {
+ static const int margin = 3;
+ if (!block->full_text || !*block->full_text) {
+ return 0;
+ }
+
+ int text_width, text_height;
+ get_text_size(cairo, config->font, &text_width, &text_height,
+ 1, block->markup, "%s", block->full_text);
+ int width = text_width;
+ if (width < block->min_width) {
+ width = block->min_width;
+ }
+ double block_width = width;
+ uint32_t ideal_height = text_height + ws_vertical_padding * 2;
+ if (height < ideal_height) {
+ return ideal_height;
+ }
+
+ *x -= width;
+ if (block->border && block->border_left > 0) {
+ *x -= (block->border_left + margin);
+ block_width += block->border_left + margin;
+ }
+ if (block->border && block->border_right > 0) {
+ *x -= (block->border_right + margin);
+ block_width += block->border_right + margin;
+ }
+
+ int sep_width;
+ if (!edge) {
+ if (config->sep_symbol) {
+ int _height;
+ get_text_size(cairo, config->font, &sep_width, &_height,
+ 1, false, "%s", config->sep_symbol);
+ uint32_t _ideal_height = _height + ws_vertical_padding * 2;
+ if (height < _ideal_height) {
+ return _height;
+ }
+ if (sep_width > block->separator_block_width) {
+ block->separator_block_width = sep_width + margin * 2;
+ }
+ }
+ *x -= block->separator_block_width;
+ } else {
+ *x -= margin;
+ }
+
+ struct swaybar_hotspot *hotspot = calloc(1, sizeof(struct swaybar_hotspot));
+ hotspot->x = *x;
+ hotspot->y = 0;
+ hotspot->width = width;
+ hotspot->height = height;
+ hotspot->callback = block_hotspot_callback;
+ hotspot->destroy = NULL;
+ hotspot->data = block;
+ wl_list_insert(&output->hotspots, &hotspot->link);
+
+ double pos = *x;
+ if (block->background) {
+ cairo_set_source_u32(cairo, block->background);
+ cairo_rectangle(cairo, pos - 0.5, 1, block_width, height);
+ cairo_fill(cairo);
+ }
+
+ if (block->border && block->border_top > 0) {
+ render_sharp_line(cairo, block->border,
+ pos - 0.5, 1, block_width, block->border_top);
+ }
+ if (block->border && block->border_bottom > 0) {
+ render_sharp_line(cairo, block->border,
+ pos - 0.5, height - 1 - block->border_bottom,
+ block_width, block->border_bottom);
+ }
+ if (block->border != 0 && block->border_left > 0) {
+ render_sharp_line(cairo, block->border,
+ pos - 0.5, 1, block->border_left, height);
+ pos += block->border_left + margin;
+ }
+
+ double offset = 0;
+ if (strncmp(block->align, "left", 5) == 0) {
+ offset = pos;
+ } else if (strncmp(block->align, "right", 5) == 0) {
+ offset = pos + width - text_width;
+ } else if (strncmp(block->align, "center", 6) == 0) {
+ offset = pos + (width - text_width) / 2;
+ }
+ cairo_move_to(cairo, offset, height / 2.0 - text_height / 2.0);
+ uint32_t color = block->color ? *block->color : config->colors.statusline;
+ cairo_set_source_u32(cairo, color);
+ pango_printf(cairo, config->font, 1, block->markup, "%s", block->full_text);
+ pos += width;
+
+ if (block->border && block->border_right > 0) {
+ pos += margin;
+ render_sharp_line(cairo, block->border,
+ pos - 0.5, 1, block->border_right, height);
+ pos += block->border_right;
+ }
+
+ if (!edge && block->separator) {
+ if (focused) {
+ cairo_set_source_u32(cairo, config->colors.focused_separator);
+ } else {
+ cairo_set_source_u32(cairo, config->colors.separator);
+ }
+ if (config->sep_symbol) {
+ offset = pos + (block->separator_block_width - sep_width) / 2;
+ cairo_move_to(cairo, offset, margin);
+ pango_printf(cairo, config->font, 1, false,
+ "%s", config->sep_symbol);
+ } else {
+ cairo_set_line_width(cairo, 1);
+ cairo_move_to(cairo,
+ pos + block->separator_block_width / 2, margin);
+ cairo_line_to(cairo,
+ pos + block->separator_block_width / 2, height - margin);
+ cairo_stroke(cairo);
+ }
+ }
return ideal_height;
}
static uint32_t render_status_line_i3bar(cairo_t *cairo,
- struct swaybar_config *config, struct status_line *status,
- bool focused, uint32_t width, uint32_t height) {
- // TODO
- return 0;
+ struct swaybar_config *config, struct swaybar_output *output,
+ struct status_line *status, bool focused,
+ double *x, uint32_t width, uint32_t height) {
+ uint32_t max_height = 0;
+ bool edge = true;
+ struct i3bar_block *block;
+ wl_list_for_each(block, &status->blocks, link) {
+ uint32_t h = render_status_block(cairo, config, output,
+ block, x, height, focused, edge);
+ max_height = h > max_height ? h : max_height;
+ edge = false;
+ }
+ return max_height;
}
static uint32_t render_status_line(cairo_t *cairo,
- struct swaybar_config *config, struct status_line *status,
- bool focused, uint32_t width, uint32_t height) {
+ struct swaybar_config *config, struct swaybar_output *output,
+ struct status_line *status, bool focused,
+ double *x, uint32_t width, uint32_t height) {
switch (status->protocol) {
+ case PROTOCOL_ERROR:
+ return render_status_line_error(cairo,
+ config, status->text, x, width, height);
case PROTOCOL_TEXT:
return render_status_line_text(cairo,
- config, status, focused, width, height);
+ config, status->text, focused, x, width, height);
case PROTOCOL_I3BAR:
- return render_status_line_i3bar(cairo,
- config, status, focused, width, height);
- default:
+ return render_status_line_i3bar(cairo, config, output, status,
+ focused, x, width, height);
+ case PROTOCOL_UNDEF:
return 0;
}
+ return 0;
}
static uint32_t render_binding_mode_indicator(cairo_t *cairo,
@@ -166,8 +362,8 @@ static uint32_t render_workspace_button(cairo_t *cairo,
struct swaybar_hotspot *hotspot = calloc(1, sizeof(struct swaybar_hotspot));
hotspot->x = *x;
hotspot->y = 0;
- hotspot->height = height;
hotspot->width = width;
+ hotspot->height = height;
hotspot->callback = workspace_hotspot_callback;
hotspot->destroy = free;
hotspot->data = strdup(name);
@@ -180,6 +376,7 @@ static uint32_t render_workspace_button(cairo_t *cairo,
static uint32_t render_to_cairo(cairo_t *cairo,
struct swaybar *bar, struct swaybar_output *output) {
struct swaybar_config *config = bar->config;
+ wlr_log(L_DEBUG, "output %p", output);
cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
if (output->focused) {
@@ -211,9 +408,10 @@ static uint32_t render_to_cairo(cairo_t *cairo,
cairo, config, config->mode, x, output->height);
max_height = h > max_height ? h : max_height;
}
+ x = output->width;
if (bar->status) {
- uint32_t h = render_status_line(cairo, config, bar->status,
- output->focused, output->width, output->height);
+ uint32_t h = render_status_line(cairo, config, output, bar->status,
+ output->focused, &x, output->width, output->height);
max_height = h > max_height ? h : max_height;
}
diff --git a/swaybar/status_line.c b/swaybar/status_line.c
index 3454f207..8afe4707 100644
--- a/swaybar/status_line.c
+++ b/swaybar/status_line.c
@@ -1,5 +1,6 @@
#define _POSIX_C_SOURCE
#include <fcntl.h>
+#include <json-c/json.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
@@ -9,35 +10,83 @@
#include "swaybar/status_line.h"
#include "readline.h"
-bool handle_status_readable(struct status_line *status) {
- char *line = read_line_buffer(status->read,
- status->buffer, status->buffer_size);
+void status_error(struct status_line *status, const char *text) {
+ close(status->read_fd);
+ close(status->write_fd);
+ status->protocol = PROTOCOL_ERROR;
+ status->text = text;
+}
+
+bool status_handle_readable(struct status_line *status) {
+ char *line;
switch (status->protocol) {
+ case PROTOCOL_ERROR:
+ return false;
case PROTOCOL_I3BAR:
- // TODO
+ if (i3bar_handle_readable(status) > 0) {
+ return true;
+ }
break;
case PROTOCOL_TEXT:
- status->text = line;
+ line = read_line_buffer(status->read,
+ status->text_state.buffer, status->text_state.buffer_size);
+ if (!line) {
+ status_error(status, "[error reading from status command]");
+ } else {
+ status->text = line;
+ }
return true;
case PROTOCOL_UNDEF:
+ line = read_line_buffer(status->read,
+ status->text_state.buffer, status->text_state.buffer_size);
if (!line) {
+ status_error(status, "[error reading from status command]");
return false;
}
if (line[0] == '{') {
- // TODO: JSON
+ json_object *proto = json_tokener_parse(line);
+ if (proto) {
+ json_object *version;
+ if (json_object_object_get_ex(proto, "version", &version)
+ && json_object_get_int(version) == 1) {
+ wlr_log(L_DEBUG, "Switched to i3bar protocol.");
+ status->protocol = PROTOCOL_I3BAR;
+ }
+ json_object *click_events;
+ if (json_object_object_get_ex(
+ proto, "click_events", &click_events)
+ && json_object_get_boolean(click_events)) {
+ wlr_log(L_DEBUG, "Enabled click events.");
+ status->i3bar_state.click_events = true;
+ const char *events_array = "[\n";
+ ssize_t len = strlen(events_array);
+ if (write(status->write_fd, events_array, len) != len) {
+ status_error(status,
+ "[failed to write to status command]");
+ }
+ }
+ json_object_put(proto);
+ }
+
+ status->protocol = PROTOCOL_I3BAR;
+ free(status->text_state.buffer);
+ wl_list_init(&status->blocks);
+ status->i3bar_state.buffer_size = 4096;
+ status->i3bar_state.buffer =
+ malloc(status->i3bar_state.buffer_size);
} else {
- status->text = line;
status->protocol = PROTOCOL_TEXT;
+ status->text = line;
}
- return false;
+ return true;
}
return false;
}
struct status_line *status_line_init(char *cmd) {
struct status_line *status = calloc(1, sizeof(struct status_line));
- status->buffer_size = 4096;
- status->buffer = malloc(status->buffer_size);
+ status->text_state.buffer_size = 8192;
+ status->text_state.buffer = malloc(status->text_state.buffer_size);
int pipe_read_fd[2];
int pipe_write_fd[2];
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 08:54:44 +0000