Add relative coordinates in JSON for i3bar click events (fixes #2767)

[i3/i3] / i3bar / include / child.h

diff --git a/i3bar/include/child.h b/i3bar/include/child.h
index 69cfc5767a6c9b2c051cc19450215f13c6390e2e..9479fac1df8bdfecd0c005000bfd76b7dd10a6e5 100644 (file)
--- a/i3bar/include/child.h
+++ b/i3bar/include/child.h
@@ -1,18 +1,49 @@
 /*
- * i3bar - an xcb-based status- and ws-bar for i3
+ * vim:ts=4:sw=4:expandtab
  *
- * © 2010 Axel Wagner and contributors
+ * i3bar - an xcb-based status- and ws-bar for i3
+ * © 2010 Axel Wagner and contributors (see also: LICENSE)
  *
- * See file LICNSE for license information
+ * child.c: Getting input for the statusline
  *
  */
-#ifndef CHILD_H_
-#define CHILD_H_
+#pragma once
+
+#include <config.h>
+
+#include <stdbool.h>
 
 #define STDIN_CHUNK_SIZE 1024
 
+typedef struct {
+    pid_t pid;
+
+    /**
+     * The version number is an uint32_t to avoid machines with different sizes of
+     * 'int' to allow different values here. It’s highly unlikely we ever exceed
+     * even an int8_t, but still…
+     */
+    uint32_t version;
+
+    bool stopped;
+    /**
+     * The signal requested by the client to inform it of the hidden state of i3bar
+     */
+    int stop_signal;
+    /**
+     * The signal requested by the client to inform it of theun hidden state of i3bar
+     */
+    int cont_signal;
+
+    /**
+     * Enable click events
+     */
+    bool click_events;
+    bool click_events_init;
+} i3bar_child;
+
 /*
- * Start a child-process with the specified command and reroute stdin.
+ * Start a child process with the specified command and reroute stdin.
  * We actually start a $SHELL to execute the command so we don't have to care
  * about arguments and such
  *
@@ -20,22 +51,38 @@
 void start_child(char *command);
 
 /*
- * kill()s the child-prozess (if existend) and closes and
- * free()s the stdin- and sigchild-watchers
+ * kill()s the child process (if any). Called when exit()ing.
  *
  */
-void kill_child();
+void kill_child_at_exit(void);
 
 /*
- * Sends a SIGSTOP to the child-process (if existent)
+ * kill()s the child process (if any) and closes and
+ * free()s the stdin- and SIGCHLD-watchers
  *
  */
-void stop_child();
+void kill_child(void);
 
 /*
- * Sends a SIGCONT to the child-process (if existent)
+ * Sends a SIGSTOP to the child process (if existent)
  *
  */
-void cont_child();
+void stop_child(void);
 
-#endif
+/*
+ * Sends a SIGCONT to the child process (if existent)
+ *
+ */
+void cont_child(void);
+
+/*
+ * Whether or not the child want click events
+ *
+ */
+bool child_want_click_events(void);
+
+/*
+ * Generates a click event, if enabled.
+ *
+ */
+void send_block_clicked(int button, const char *name, const char *instance, int x, int y, int x_rel, int y_rel, int width, int height);