From 920b3a2e417bab28622002750dde564f09602797 Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Mon, 3 May 2021 09:29:40 +0900
Subject: [PATCH] x, common: Add convenience functions and common types

This commit adds convenience functions that wrap functionality provided
by Xlib. Further, it adds a structure that defines the geometry of an
object.
---
 common.h | 11 +++++++++++
 x.c      | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 x.h      | 11 +++++++++++
 3 files changed, 68 insertions(+)
 create mode 100644 common.h
 create mode 100644 x.c
 create mode 100644 x.h

diff --git a/common.h b/common.h
new file mode 100644
index 0000000..3bb5368
--- /dev/null
+++ b/common.h
@@ -0,0 +1,11 @@
+#ifndef COMMON_H
+#define COMMON_H 1
+
+struct geom {
+	int x;
+	int y;
+	unsigned int w;
+	unsigned int h;
+};
+
+#endif /* COMMON_H */
diff --git a/x.c b/x.c
new file mode 100644
index 0000000..c2e8750
--- /dev/null
+++ b/x.c
@@ -0,0 +1,46 @@
+#include <X11/Xlib.h>
+#include <string.h>
+#include <errno.h>
+#include "common.h"
+
+void x_configure_notify(Display *display, Window window,
+			struct geom *geom, unsigned int border)
+{
+	XConfigureEvent event;
+
+	memset(&event, 0, sizeof(event));
+
+	event.type = ConfigureNotify;
+	event.display = display;
+	event.event = window;
+	event.window = window;
+
+	if(geom) {
+		event.x = geom->x;
+		event.y = geom->y;
+		event.width = geom->w;
+		event.height = geom->h;
+	}
+
+	event.border_width = border;
+	event.above = None;
+	event.override_redirect = False;
+
+	XSendEvent(display, window, False, StructureNotifyMask, (XEvent*)&event);
+
+	return;
+}
+
+int x_get_geom(Display *display, Window window, struct geom *geom)
+{
+	Window root;
+	unsigned int border;
+	unsigned int depth;
+
+	if(XGetGeometry(display, window, &root, &geom->x, &geom->y,
+			&geom->w, &geom->h, &border, &depth) == False) {
+		return(-EIO);
+	}
+
+	return(0);
+}
diff --git a/x.h b/x.h
new file mode 100644
index 0000000..fb99e13
--- /dev/null
+++ b/x.h
@@ -0,0 +1,11 @@
+#ifndef MWM_X_H
+#define MWM_X_H 1
+
+#include <X11/Xlib.h>
+#include "common.h"
+
+void x_configure_notify(Display *display, Window window,
+			struct geom *geom, unsigned int border);
+int x_get_geom(Display *display, Window window, struct geom *geom);
+
+#endif /* MWM_X_H */
-- 
2.47.3