1 files changed, 124 insertions, 0 deletions
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..9453557
--- /dev/null
+++ b/main.c
@@ -0,0 +1,124 @@
+#include <pthread.h>
+#include <unistd.h>
+
+#include "glitch.h"
+
+WindowManager wm = {0};
+
+static void* expose_timer_thread(void* arg) {
+	(void)arg;
+
+	for(;;) {
+		sleep(1);
+
+		if (wm.dpy != NULL) {
+			XEvent event = {0};
+			event.type = Expose;
+			event.xexpose.window = wm.root;
+			event.xexpose.x = 0;
+			event.xexpose.y = 0;
+			event.xexpose.width = 1;
+			event.xexpose.height = 1;
+			event.xexpose.count = 0;
+
+			// This is thread-safe - XSendEvent is designed for this.
+			XSendEvent(wm.dpy, wm.root, False, ExposureMask, &event);
+			XFlush(wm.dpy);
+		}
+	}
+	return NULL;
+}
+
+int main(int argc, char *argv[]) {
+	(void)argc;
+	set_log_level(get_log_level_from_env());
+
+	// Initialize X11 threading support.
+	if (!XInitThreads()) {
+		log_message(stderr, LOG_ERROR, "XInitThreads failed");
+		return 1;
+	}
+
+	init_window_manager();
+
+	// Starts Expose ticker for updating widgets.
+	pthread_t timer_tid;
+	if (pthread_create(&timer_tid, NULL, expose_timer_thread, NULL) != 0) {
+		log_message(stderr, LOG_ERROR, "failed to create timer thread");
+	} else {
+		pthread_detach(timer_tid);
+	}
+
+	wm.running = 1;
+	while(wm.running) {
+		XNextEvent(wm.dpy, &wm.ev);
+
+		switch (wm.ev.type) {
+			case MapRequest:
+				handle_map_request();
+				break;
+			case UnmapNotify:
+				handle_unmap_notify();
+				break;
+			case DestroyNotify:
+				handle_destroy_notify();
+				break;
+			case PropertyNotify:
+				handle_property_notify();
+				break;
+			case MotionNotify:
+				// Compress MotionNotify events.
+				while (XCheckTypedEvent(wm.dpy, MotionNotify, &wm.ev));
+				handle_motion_notify();
+				break;
+			case ClientMessage: 
+				{
+					static Atom redraw_atom = None;
+					if (redraw_atom == None) redraw_atom = XInternAtom(wm.dpy, "GLITCH_WIDGET_REDRAW", False);
+
+					if (wm.ev.xclient.message_type == redraw_atom) {
+						redraw_widgets();
+					} else {
+						handle_client_message();
+					}
+				}
+				break;
+			case ButtonPress:
+				handle_button_press();
+				break;
+			case ButtonRelease:
+				handle_button_release();
+				break;
+			case KeyPress:
+				handle_key_press();
+				break;
+			case KeyRelease:
+				handle_key_release();
+				break;
+			case FocusIn:
+				handle_focus_in();
+				break;
+			case FocusOut:
+				handle_focus_out();
+				break;
+			case EnterNotify:
+				handle_enter_notify();
+				break;
+			case Expose:
+				handle_expose();
+				break;
+			case ConfigureRequest:
+				handle_configure_request();
+				break;
+		}
+	}
+
+	deinit_window_manager();
+
+	if (wm.restart) {
+		execvp(argv[0], argv);
+		perror("execvp");
+	}
+
+	return 0;
+}