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-rw-r--r--include/swaybar/bar.h1
-rw-r--r--include/swaybar/status_line.h10
-rw-r--r--swaybar/bar.c52
-rw-r--r--swaybar/render.c3
-rw-r--r--swaybar/status_line.c81
5 files changed, 137 insertions, 10 deletions
diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h
index 010e1f84..50d36e76 100644
--- a/include/swaybar/bar.h
+++ b/include/swaybar/bar.h
@@ -14,6 +14,7 @@ struct bar {
int ipc_event_socketfd;
int ipc_socketfd;
int status_read_fd;
+ int status_write_fd;
pid_t status_command_pid;
};
diff --git a/include/swaybar/status_line.h b/include/swaybar/status_line.h
index 9b77e8a7..0664ddee 100644
--- a/include/swaybar/status_line.h
+++ b/include/swaybar/status_line.h
@@ -13,6 +13,7 @@ struct status_line {
list_t *block_line;
const char *text_line;
command_protocol protocol;
+ bool click_events;
};
struct status_block {
@@ -31,6 +32,10 @@ struct status_block {
int border_bottom;
int border_left;
int border_right;
+
+ // Set during rendering
+ int x;
+ int width;
};
/**
@@ -44,6 +49,11 @@ struct status_line *init_status_line();
bool handle_status_line(struct bar *bar);
/**
+ * Handle mouse clicks.
+ */
+bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button);
+
+/**
* Free status line struct.
*/
void free_status_line(struct status_line *line);
diff --git a/swaybar/bar.c b/swaybar/bar.c
index 5e87eac9..85cb5270 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -7,6 +7,7 @@
#include <sys/wait.h>
#include <signal.h>
#include <poll.h>
+#include <linux/input-event-codes.h>
#ifdef ENABLE_TRAY
#include <dbus/dbus.h>
#include "swaybar/tray/sni_watcher.h"
@@ -31,16 +32,30 @@ static void bar_init(struct bar *bar) {
static void spawn_status_cmd_proc(struct bar *bar) {
if (bar->config->status_command) {
- int pipefd[2];
- if (pipe(pipefd) != 0) {
- sway_log(L_ERROR, "Unable to create pipe for status_command fork");
+ int pipe_read_fd[2];
+ int pipe_write_fd[2];
+
+ if (pipe(pipe_read_fd) != 0) {
+ sway_log(L_ERROR, "Unable to create pipes for status_command fork");
+ return;
+ }
+ if (pipe(pipe_write_fd) != 0) {
+ sway_log(L_ERROR, "Unable to create pipe for status_command fork (write)");
+ close(pipe_read_fd[0]);
+ close(pipe_read_fd[1]);
return;
}
+
bar->status_command_pid = fork();
if (bar->status_command_pid == 0) {
- close(pipefd[0]);
- dup2(pipefd[1], STDOUT_FILENO);
- close(pipefd[1]);
+ close(pipe_read_fd[0]);
+ dup2(pipe_read_fd[1], STDOUT_FILENO);
+ close(pipe_read_fd[1]);
+
+ dup2(pipe_write_fd[0], STDIN_FILENO);
+ close(pipe_write_fd[0]);
+ close(pipe_write_fd[1]);
+
char *const cmd[] = {
"sh",
"-c",
@@ -51,9 +66,13 @@ static void spawn_status_cmd_proc(struct bar *bar) {
return;
}
- close(pipefd[1]);
- bar->status_read_fd = pipefd[0];
+ close(pipe_read_fd[1]);
+ bar->status_read_fd = pipe_read_fd[0];
fcntl(bar->status_read_fd, F_SETFL, O_NONBLOCK);
+
+ close(pipe_write_fd[0]);
+ bar->status_write_fd = pipe_write_fd[1];
+ fcntl(bar->status_write_fd, F_SETFL, O_NONBLOCK);
}
}
@@ -103,9 +122,22 @@ static void mouse_button_notify(struct window *window, int x, int y,
}
}
+ switch (button) {
+ case BTN_LEFT:
+ status_line_mouse_event(&swaybar, x, y, 1);
+ break;
+ case BTN_MIDDLE:
+ status_line_mouse_event(&swaybar, x, y, 2);
+ break;
+ case BTN_RIGHT:
+ status_line_mouse_event(&swaybar, x, y, 3);
+ break;
+ }
+
#ifdef ENABLE_TRAY
tray_mouse_event(clicked_output, x, y, button, state_w);
#endif
+
}
static void mouse_scroll_notify(struct window *window, enum scroll_direction direction) {
@@ -318,6 +350,10 @@ void bar_teardown(struct bar *bar) {
close(bar->status_read_fd);
}
+ if (bar->status_write_fd) {
+ close(bar->status_write_fd);
+ }
+
if (bar->ipc_socketfd) {
close(bar->ipc_socketfd);
}
diff --git a/swaybar/render.c b/swaybar/render.c
index 6ec47e79..6fc09078 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -94,6 +94,9 @@ static void render_block(struct window *window, struct config *config, struct st
double pos = *x;
+ block->x = (int)pos;
+ block->width = (int)block_width;
+
// render background
if (block->background != 0x0) {
cairo_set_source_u32(window->cairo, block->background);
diff --git a/swaybar/status_line.c b/swaybar/status_line.c
index 83e8ce2c..e0564c26 100644
--- a/swaybar/status_line.c
+++ b/swaybar/status_line.c
@@ -27,6 +27,8 @@ struct {
static char line[1024];
static char line_rest[1024];
+static char event_buff[1024];
+
static void free_status_block(void *item) {
if (!item) {
return;
@@ -391,6 +393,66 @@ static int i3json_handle_fd(struct bar *bar) {
return i3json_parse(bar);
}
+bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button) {
+ sway_log(L_DEBUG, "status_line_mouse_event.");
+ if (!bar->status->click_events) {
+ sway_log(L_DEBUG, "click_events are not enabled.");
+ return false;
+ }
+
+ if (bar->status->protocol == I3BAR) {
+ sway_log(L_DEBUG, "Sending click event.");
+
+ // find clicked block
+ struct status_block *clicked_block = NULL;
+ struct status_block *current_block = NULL;
+ int num_blocks = bar->status->block_line->length;
+
+ if (num_blocks == 0) {
+ return false;
+ } else {
+ current_block = bar->status->block_line->items[0];
+ if (x < current_block->x) {
+ return false;
+ }
+ }
+
+ for (int i = 0; i < num_blocks; i++) {
+ current_block = bar->status->block_line->items[i];
+ if (x < (current_block->x + current_block->width)) {
+ clicked_block = current_block;
+ break;
+ }
+ }
+
+ if (!clicked_block || !clicked_block->name) {
+ return false;
+ }
+
+ // event example {"name":"capture","instance":"label","button":1,"x":3431,"y":18}
+
+ struct json_object *event_json = json_object_new_object();
+ json_object_object_add(event_json, "name", json_object_new_string(clicked_block->name));
+ if (clicked_block->instance) {
+ json_object_object_add(event_json, "instance", json_object_new_string(clicked_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));
+
+ int len = snprintf(event_buff, sizeof(event_buff), "%s,\n", json_object_to_json_string(event_json));
+
+ json_object_put(event_json);
+
+ if (len <= (int)sizeof(event_buff)) { // if not truncated
+ write(bar->status_write_fd, event_buff, len);
+ return true;
+ }
+ }
+
+ return false;
+}
+
bool handle_status_line(struct bar *bar) {
bool dirty = false;
@@ -418,15 +480,29 @@ bool handle_status_line(struct bar *bar) {
if (line[0] == '{') {
// detect i3bar json protocol
json_object *proto = json_tokener_parse(line);
- json_object *version;
if (proto) {
+
+ json_object *version;
if (json_object_object_get_ex(proto, "version", &version)
&& json_object_get_int(version) == 1
) {
sway_log(L_DEBUG, "Switched to i3bar protocol.");
bar->status->protocol = I3BAR;
- i3json_handle_data(bar, line_rest);
}
+
+ json_object *click_events;
+ if (json_object_object_get_ex(proto, "click_events", &click_events)
+ && json_object_get_boolean(click_events)) {
+
+ sway_log(L_DEBUG, "Enabling click events.");
+ bar->status->click_events = true;
+
+ const char *events_array = "[\n";
+ write(bar->status_write_fd, events_array, strlen(events_array));
+ }
+
+ i3json_handle_data(bar, line_rest);
+
json_object_put(proto);
}
}
@@ -441,6 +517,7 @@ struct status_line *init_status_line() {
line->block_line = create_list();
line->text_line = NULL;
line->protocol = UNDEF;
+ line->click_events = false;
return line;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 03:49:47 +0000