From b112daf4cb3bb7e8a7b886ed28015ce5c4e773ef Mon Sep 17 00:00:00 2001
From: BigRedEye <skvor.sm@gmail.com>
Date: Fri, 16 Nov 2018 02:25:28 +0300
Subject: [PATCH] Add window_properties processing

---
 examples/workspaces.cpp |  1 +
 include/i3ipc++/ipc.hpp | 14 ++++++++++++++
 src/ipc.cpp             | 25 +++++++++++++++++++++++++
 3 files changed, 40 insertions(+)

diff --git a/examples/workspaces.cpp b/examples/workspaces.cpp
index 58ea242..46f850b 100644
--- a/examples/workspaces.cpp
+++ b/examples/workspaces.cpp
@@ -17,6 +17,7 @@ void  dump_tree_container(const i3ipc::container_t&  c, std::string&  prefix) {
 	prefix.push_back('\t');
 	std::cout << prefix << "name = \"" << c.name << "\"" << std::endl;
 	std::cout << prefix << "type = \"" << c.type << "\"" << std::endl;
+	std::cout << prefix << "class = \"" << c.window_properties.xclass << "\"" << std::endl;
 	std::cout << prefix << "border = \"" << c.border_raw << "\"" << std::endl;
 	std::cout << prefix << "current_border_width = " << c.current_border_width << std::endl;
 	std::cout << prefix << "layout = \"" << c.layout_raw << "\"" << std::endl;
diff --git a/include/i3ipc++/ipc.hpp b/include/i3ipc++/ipc.hpp
index 0d76a4d..b66b38b 100644
--- a/include/i3ipc++/ipc.hpp
+++ b/include/i3ipc++/ipc.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <cstdint>
+#include <list>
 #include <string>
 #include <memory>
 #include <vector>
@@ -165,6 +166,17 @@ enum class Position : char {
 };
 
 
+/**
+ * X11 window properties
+ */
+struct window_properties_t {
+	std::string  xclass; /// X11 Window class (WM_CLASS class)
+	std::string  instance; ///X11 Window class instance (WM_CLASS instance)
+	std::string  window_role; /// X11 Window role (WM_WINDOW_ROLE)
+	std::string  title; /// X11 UTF8 window title (_NET_WM_NAME)
+	uint64_t  transient_for; /// Logical top-level window. Nonzero value is an X11 window ID of the parent window (WM_TRANSIENT_FOR)
+};
+
 /**
  * A node of tree of windows
  */
@@ -186,6 +198,8 @@ struct container_t {
 	bool  urgent;
 	bool  focused;
 
+	window_properties_t  window_properties; /// X11 window properties
+
 	std::list< std::shared_ptr<container_t> >  nodes;
 };
 
diff --git a/src/ipc.cpp b/src/ipc.cpp
index 8af9ba0..eeab110 100644
--- a/src/ipc.cpp
+++ b/src/ipc.cpp
@@ -49,6 +49,29 @@ inline rect_t  parse_rect_from_json(const Json::Value&  value) {
 	};
 }
 
+window_properties_t  parse_window_props_from_json(const Json::Value&  value) {
+	if (value.isNull()) {
+		window_properties_t result;
+		result.transient_for = 0ull;
+		return result;
+	}
+
+	window_properties_t result {
+		value["class"].asString(),
+		value["instance"].asString(),
+		value["window_role"].asString(),
+		value["title"].asString(),
+		0ull
+	};
+
+	const Json::Value transient_for = value["transient_for"];
+	if (!transient_for.isNull()) {
+		result.transient_for = transient_for.asUInt64();
+	}
+
+	return result;
+}
+
 
 static std::shared_ptr<container_t>  parse_container_from_json(const Json::Value&  o) {
 #define i3IPC_TYPE_STR "PARSE CONTAINER FROM JSON"
@@ -113,6 +136,8 @@ static std::shared_ptr<container_t>  parse_container_from_json(const Json::Value
 		}
 	}
 
+	container->window_properties = parse_window_props_from_json(o["window_properties"]);
+
 	return container;
 #undef i3IPC_TYPE_STR
 }