From 8847f1b1d916b8a2febd627fa1144c795c44e62d Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Tue, 4 May 2021 06:26:48 +0900
Subject: [PATCH] client: Add data type for keeping track of clients

A data type is needed to keep track of clients and associate them with
workspaces. This commit adds the client type that serves that purpose.
---
 client.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 client.h | 19 ++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 client.c
 create mode 100644 client.h

diff --git a/client.c b/client.c
new file mode 100644
index 0000000..0ac205b
--- /dev/null
+++ b/client.c
@@ -0,0 +1,77 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <X11/Xlib.h>
+#include "common.h"
+#include "client.h"
+#include "workspace.h"
+
+struct client {
+	struct geom geom;
+	Window window;
+	client_flags_t flags;
+	struct workspace *workspace;
+};
+
+int client_new(Window window, XWindowAttributes *attrs, struct client **client)
+{
+	struct client *cl;
+
+	if(!client) {
+		return(-EINVAL);
+	}
+
+	cl = malloc(sizeof(*cl));
+
+	if(!cl) {
+		return(-ENOMEM);
+	}
+
+	memset(cl, 0, sizeof(*cl));
+
+	cl->window = window;
+	*client = cl;
+
+	return(0);
+}
+
+int client_free(struct client **client)
+{
+	if(!client) {
+		return(-EINVAL);
+	}
+
+	if(!*client) {
+		return(-EALREADY);
+	}
+
+	free(*client);
+	*client = NULL;
+
+	return(0);
+}
+
+int client_set_geometry(struct client *client, struct geom *geom)
+{
+	if(!client || !geom) {
+		return(-EINVAL);
+	}
+
+	if(memcmp(&client->geom, geom, sizeof(*geom)) == 0) {
+		return(-EALREADY);
+	}
+
+	memcpy(&client->geom, geom, sizeof(*geom));
+
+	return(0);
+}
+
+int client_get_geometry(struct client *client, struct geom *geom)
+{
+	if(!client || !geom) {
+		return(-EINVAL);
+	}
+
+	memcpy(geom, &client->geom, sizeof(*geom));
+	return(0);
+}
diff --git a/client.h b/client.h
new file mode 100644
index 0000000..f1a338b
--- /dev/null
+++ b/client.h
@@ -0,0 +1,19 @@
+#ifndef MWM_CLIENT_H
+#define MWM_CLIENT_H 1
+
+#include <X11/Xlib.h>
+
+typedef enum {
+	CLIENT_FIXED      = (1 << 0),
+	CLIENT_FLOATING   = (1 << 1),
+	CLIENT_URGENT     = (1 << 2),
+	CLIENT_NEVERFOCUS = (1 << 3),
+	CLIENT_FULLSCREEN = (1 << 4)
+} client_flags_t;
+
+struct client;
+
+int client_new(Window window, XWindowAttributes *attrs, struct client**);
+int client_free(struct client**);
+
+#endif /* MWM_CLIENT_H */
-- 
2.47.3