From 161db6f17d734ac9deb0a20e81b78d4b2a92ce68 Mon Sep 17 00:00:00 2001
From: Pallav Agarwal <pallavagarwal07@gmail.com>
Date: Wed, 20 Dec 2017 17:49:38 +0530
Subject: [PATCH] Add relative coordinates in JSON for i3bar click events
 (fixes #2767)

Add support for relative coordinates in i3bar click events

Rename {x,y}_rel to relative_{x,y}

Update i3bar-protocol doc to mention the added fields in click events
---
 docs/i3bar-protocol   | 11 ++++++++++-
 i3bar/include/child.h |  2 +-
 i3bar/src/child.c     | 14 +++++++++++++-
 i3bar/src/xcb.c       |  3 ++-
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/docs/i3bar-protocol b/docs/i3bar-protocol
index b8c2b5ad..1a302587 100644
--- a/docs/i3bar-protocol
+++ b/docs/i3bar-protocol
@@ -236,6 +236,11 @@ x, y::
 	X11 root window coordinates where the click occurred
 button::
 	X11 button ID (for example 1 to 3 for left/middle/right mouse button)
+relative_x, relative_y::
+    Coordinates where the click occurred, with respect to the top left corner
+    of the block
+width, height::
+    Width and height (in px) of the block
 
 *Example*:
 ------------------------------------------
@@ -244,6 +249,10 @@ button::
  "instance": "eth0",
  "button": 1,
  "x": 1320,
- "y": 1400
+ "y": 1400,
+ "relative_x": 12,
+ "relative_y": 8,
+ "width": 50,
+ "height": 22
 }
 ------------------------------------------
diff --git a/i3bar/include/child.h b/i3bar/include/child.h
index 0871c7f4..9479fac1 100644
--- a/i3bar/include/child.h
+++ b/i3bar/include/child.h
@@ -85,4 +85,4 @@ 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);
+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);
diff --git a/i3bar/src/child.c b/i3bar/src/child.c
index 170fcdef..1cd7d512 100644
--- a/i3bar/src/child.c
+++ b/i3bar/src/child.c
@@ -596,7 +596,7 @@ void child_click_events_key(const char *key) {
  * Generates a click event, if enabled.
  *
  */
-void send_block_clicked(int button, const char *name, const char *instance, int x, int y) {
+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) {
     if (!child.click_events) {
         return;
     }
@@ -624,6 +624,18 @@ void send_block_clicked(int button, const char *name, const char *instance, int
     child_click_events_key("y");
     yajl_gen_integer(gen, y);
 
+    child_click_events_key("relative_x");
+    yajl_gen_integer(gen, x_rel);
+
+    child_click_events_key("relative_y");
+    yajl_gen_integer(gen, y_rel);
+
+    child_click_events_key("width");
+    yajl_gen_integer(gen, width);
+
+    child_click_events_key("height");
+    yajl_gen_integer(gen, height);
+
     yajl_gen_map_close(gen);
     child_write_output();
 }
diff --git a/i3bar/src/xcb.c b/i3bar/src/xcb.c
index 77822544..542c86c3 100644
--- a/i3bar/src/xcb.c
+++ b/i3bar/src/xcb.c
@@ -523,7 +523,8 @@ void handle_button(xcb_button_press_event_t *event) {
                 block_x += render->width + render->x_offset + render->x_append + get_sep_offset(block) + sep_offset_remainder;
 
                 if (statusline_x <= block_x && statusline_x >= last_block_x) {
-                    send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
+                    send_block_clicked(event->detail, block->name, block->instance,
+                                       event->root_x, event->root_y, statusline_x - last_block_x, event->event_y, block_x - last_block_x, bar_height);
                     return;
                 }
 
-- 
2.39.2