move stuff to src

src/event.c

@@ -0,0 +1,23 @@
+#include "event.h"
+
+void (*events[XCB_NO_OPERATION])(xcb_generic_event_t *) = {
+    [XCB_BUTTON_PRESS]      = event_button_press,
+    [XCB_BUTTON_RELEASE]    = event_button_release,
+    [XCB_CONFIGURE_REQUEST] = event_configure_request,
+    [XCB_KEY_PRESS]         = event_key_press,
+    [XCB_CREATE_NOTIFY]     = event_notify_create,
+    [XCB_DESTROY_NOTIFY]    = event_notify_destroy,
+    [XCB_ENTER_NOTIFY]      = event_notify_enter,
+    [XCB_MOTION_NOTIFY]     = event_notify_motion
+};
+
+/* todo */
+void event_button_press(xcb_generic_event_t *ev) { }
+void event_button_release(xcb_generic_event_t *ev) { }
+void event_configure_request(xcb_generic_event_t *ev) { }
+void event_key_press(xcb_generic_event_t *ev) { }
+void event_notify_create(xcb_generic_event_t *ev) { }
+void event_notify_destroy(xcb_generic_event_t *ev) { }
+void event_notify_enter(xcb_generic_event_t *ev) { }
+void event_notify_motion(xcb_generic_event_t *ev) { }
+

src/event.h

@@ -0,0 +1,17 @@
+#ifndef SOWM_EVENT_H_INCLUDED
+#define SOWM_EVENT_H_INCLUDED
+
+#include <xcb/xcb.h>
+
+void event_button_press(xcb_generic_event_t *ev);
+void event_button_release(xcb_generic_event_t *ev);
+void event_configure_request(xcb_generic_event_t *ev);
+void event_key_press(xcb_generic_event_t *ev);
+void event_notify_create(xcb_generic_event_t *ev);
+void event_notify_destroy(xcb_generic_event_t *ev);
+void event_notify_enter(xcb_generic_event_t *ev);
+void event_notify_motion(xcb_generic_event_t *ev);
+
+extern void (*events[XCB_NO_OPERATION])(xcb_generic_event_t *);
+
+#endif

src/sowm.c

@@ -0,0 +1,81 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#include <xcb/xcb.h>
+
+#include "event.h"
+
+static xcb_connection_t *dpy;
+static xcb_screen_t *scr;
+
+static void init_wm(void);
+static void init_input(void);
+
+static void init_wm(void) {
+    uint32_t values[2];
+
+    dpy = xcb_connect(NULL, NULL);
+
+    if (xcb_connection_has_error(dpy)) {
+        printf("error: Failed to start sowm\n");
+        exit(1);
+    }
+
+    scr = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
+
+    if (!scr) {
+        printf("error: Failed to assign screen number\n");
+        xcb_disconnect(dpy);
+        exit(1);
+    }
+
+    values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
+
+    xcb_change_window_attributes_checked(dpy, scr->root,
+        XCB_CW_EVENT_MASK, values);
+
+    xcb_flush(dpy);
+}
+
+static void init_input(void) {
+    xcb_grab_key(dpy, 1, scr->root, XCB_MOD_MASK_4, XCB_NO_SYMBOL,
+        XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
+
+    xcb_grab_button(dpy, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
+        XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
+        XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 1, XCB_MOD_MASK_4);
+
+    xcb_grab_button(dpy, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
+        XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
+        XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 3, XCB_MOD_MASK_4);
+
+    xcb_flush(dpy);
+}
+
+int main(int argc, char **argv) {
+    xcb_generic_event_t *ev;
+    unsigned int ev_type;
+
+    /* unused */
+    (void) argc;
+    (void) argv;
+
+    /* we don't want sigchld */
+    signal(SIGCHLD, SIG_IGN);
+
+    init_wm();
+    init_input();
+
+    while ((ev = xcb_wait_for_event(dpy))) {
+        ev_type = ev->response_type & ~0x80;
+
+        if (events[ev_type]) {
+            events[ev_type](ev);
+        }
+
+        free(ev);
+    }
+
+    return 0;
+}