initial commit

4 files changed, 112 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aa406a3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+xbar
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..2c4ec25
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Jakob Kaivo <jkk@ung.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d73399a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,34 @@
+.POSIX:
+
+# This Makefile was generated by maje
+# See https://src.kaivo.net/dev/maje/ for more information
+# Do not edit this Makefile by hand
+
+CC=c99
+LD=$(CC)
+CFLAGS=-Wall -Wextra -Wpedantic -Werror -g
+LDFLAGS=
+LDLIBS= -lX11
+SRCDIR=.
+OBJDIR=.
+BINDIR=$(OBJDIR)
+LIBDIR=$(OBJDIR)
+DESTDIR=/usr/local
+
+all: $(BINDIR)/xbar
+
+clean:
+	rm -f $(BINDIR)/xbar $(OBJDIR)/*.o
+
+install: $(BINDIR)/xbar
+	mkdir -p $(DESTDIR)/bin
+	cp $(BINDIR)/xbar $(DESTDIR)/bin
+
+$(BINDIR)/xbar: $(OBJDIR)/xbar.o
+$(OBJDIR)/xbar.o: $(SRCDIR)/xbar.c
+	@mkdir -p $(@D)
+	$(CC) $(CFLAGS) -o $@ -c $(SRCDIR)/xbar.c
+
+$(BINDIR)/xbar:
+	@mkdir -p $(@D)
+	$(LD) $(LDFLAGS) -o $@ $(OBJDIR)/*.o $(LDLIBS)
diff --git a/xbar.c b/xbar.c
new file mode 100644
index 0000000..01090fa
--- /dev/null
+++ b/xbar.c
@@ -0,0 +1,55 @@
+/* MAJE_LDLIB=-lX11 */
+
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+
+int main(int argc, char *argv[])
+{
+	int c = 0;
+	while ((c = getopt(argc, argv, "")) != -1) {
+		switch (c) {
+		default:
+			return 1;
+		}
+	}
+
+	Display *dpy = XOpenDisplay("");
+	if (dpy == NULL) {
+		fprintf(stderr, "xbar: can't open display\n");
+		return 1;
+	}
+
+	int screen = DefaultScreen(dpy);
+	int width = DisplayWidth(dpy, screen);
+	int height = 20;
+
+	Window win = XCreateSimpleWindow(dpy, XDefaultRootWindow(dpy),
+		0, 0, width, height, 0,
+		BlackPixel(dpy, screen), BlackPixel(dpy, screen));
+	XSelectInput(dpy, win, ExposureMask | KeyPressMask);
+	XMapWindow(dpy, win);
+
+	for (;;) {
+		XEvent e;
+		XNextEvent(dpy, &e);
+		switch (e.type) {
+		case Expose:
+			XDrawString(dpy, win, DefaultGC(dpy, screen), 0, 0,
+				"hello", strlen("hello"));
+			break;
+
+		case KeyPress:
+			printf("keypress\n");
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	return 0;
+}