refactored

1 files changed, 254 insertions, 0 deletions

diff --git a/sys/cmd/dwm/client.c b/sys/cmd/dwm/client.c
new file mode 100644
index 0000000..cc9730b
--- /dev/null
+++ b/sys/cmd/dwm/client.c
@@ -0,0 +1,254 @@
+#include "dwm.h"
+
+#define WLR_EDGE_ALL WLR_EDGE_TOP|WLR_EDGE_BOTTOM|WLR_EDGE_LEFT|WLR_EDGE_RIGHT
+
+
+/* local callbacks */
+static void map(struct wl_listener *ev, void *arg);
+static void unmap(struct wl_listener *ev, void *arg);
+static void delete(struct wl_listener *ev, void *arg);
+
+/* globals */
+static char *broken = "<broken>";
+
+// -----------------------------------------------------------------------
+// methods
+
+void
+applybounds(Client *c, struct wlr_box *bbox)
+{
+    c->dim.width  = MAX(1, c->dim.width);
+    c->dim.height = MAX(1, c->dim.height);
+
+	if (c->dim.x >= bbox->x + bbox->width)
+		c->dim.x = bbox->x + bbox->width - c->dim.width;
+	if (c->dim.y >= bbox->y + bbox->height)
+		c->dim.y = bbox->y + bbox->height - c->dim.height;
+	if (c->dim.x + c->dim.width + 2 * c->bw <= bbox->x)
+		c->dim.x = bbox->x;
+	if (c->dim.y + c->dim.height + 2 * c->bw <= bbox->y)
+		c->dim.y = bbox->y;
+}
+
+void
+applyrules(Client *c)
+{
+	char *id, *title;
+	uint i, newtags = 0;
+	const Rule *r;
+	Monitor *m, *it;
+
+    m = monitor;
+	/* rule matching */
+	c->floating = 0;
+	if (!(id = c->surf->toplevel->app_id))
+		id = broken;
+	if (!(title = c->surf->toplevel->title))
+		title = broken;
+
+	for (r = apprules; r < arrend(apprules); r++) {
+		if ((!r->title || strstr(title, r->title))
+				&& (!r->id || strstr(id, r->id)))
+		{
+			c->floating = r->floating;
+			newtags    |= r->tags;
+			i = 0;
+			wl_list_for_each(it, &dwm.odevs, link)
+				if (r->monitor == i++)
+					m = it;
+		}
+	}
+	setmonitor(c, m, newtags);
+}
+
+void
+resize(Client *c, int x, int y, int w, int h, int interact)
+{
+	struct wlr_box *bbox;
+
+    bbox = interact ? &dwm.dim : &c->m->area.win;
+	c->dim.x      = x;
+	c->dim.y      = y;
+	c->dim.width  = w;
+	c->dim.height = h;
+
+	applybounds(c, bbox);
+	/* wlroots makes this a no-op if size hasn't changed */
+	wlr_xdg_toplevel_set_size(c->surf, c->dim.width - 2*c->bw - gapwidth, c->dim.height - 2*c->bw - gapwidth);
+}
+
+Client *
+getclient(void)
+{
+    Client *c;
+
+    c = wl_container_of(dwm.focus.next, c, link.focus);
+    if (wl_list_empty(&dwm.focus) || !VISIBLEON(c, monitor))
+        return nil;
+
+    return c;
+}
+
+Client *
+clientat(double x, double y)
+{
+    Client *c;
+	wl_list_for_each(c, &dwm.stack, link.stack)
+		if (VISIBLEON(c, c->m) && wlr_box_contains_point(&c->dim, x, y))
+			return c;
+	return nil;
+}
+
+
+Client *
+lastfocus(void)
+{
+    Client *c;
+    wl_list_for_each(c, &dwm.focus, link.focus)
+        if (VISIBLEON(c, monitor))
+            return c;
+
+    return nil;
+}
+
+void
+setfocus(Client *c, struct wlr_surface *surf, int lift)
+{
+	struct wlr_surface *prev_surface;
+	struct wlr_xdg_surface *prev;
+	struct wlr_keyboard *kb;
+
+	if (c) {
+		if (!surf)
+			surf = c->surf->surface;
+		monitor = c->m;
+	}
+
+	prev_surface = dwm.seat->keyboard_state.focused_surface;
+	if (prev_surface == surf)
+		return;
+
+	if (prev_surface) {
+		prev = wlr_xdg_surface_from_wlr_surface(dwm.seat->keyboard_state.focused_surface);
+		wlr_xdg_toplevel_set_activated(prev, 0);
+	}
+
+	kb = wlr_seat_get_keyboard(dwm.seat);
+	wlr_seat_keyboard_notify_enter(dwm.seat, surf, kb->keycodes, kb->num_keycodes, &kb->modifiers);
+
+	if (c) {
+		wl_list_remove(&c->link.focus);
+		wl_list_insert(&dwm.focus, &c->link.focus);
+		if (lift) {
+			wl_list_remove(&c->link.stack);
+			wl_list_insert(&dwm.stack, &c->link.stack);
+		}
+		wlr_xdg_toplevel_set_activated(c->surf, 1);
+	}
+}
+
+void
+setfloating(Client *c, int f)
+{
+	if (c->floating == f)
+		return;
+
+	c->floating = f;
+	arrange(c->m);
+}
+
+void
+pointerfocus(Client *c, struct wlr_surface *surf, double sx, double sy, uint32 time)
+{
+	if (c && !surf)
+		surf = c->surf->surface;
+
+	if (surf && surf == dwm.seat->pointer_state.focused_surface) {
+		wlr_seat_pointer_notify_motion(dwm.seat, time, sx, sy);
+		return;
+	}
+
+	wlr_seat_pointer_notify_enter(dwm.seat, surf, sx, sy);
+	/* If keyboard focus follows mouse, enforce that */
+	if (sloppyfocus && surf)
+		setfocus(c, surf, 0);
+}
+
+
+// -----------------------------------------------------------------------
+// callback function implementations
+
+/* xdg-surfaces */
+void
+ev·newclient(struct wl_listener *ev, void *arg)
+{
+    Client *c;
+    struct wlr_xdg_surface *surf;
+
+    surf = arg;
+    if (surf->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL)
+        return;
+
+    c = surf->data = calloc(1, sizeof(*c));
+    c->surf = surf;
+    c->bw   = borderwidth;
+
+    wlr_xdg_toplevel_set_tiled(surf, WLR_EDGE_ALL);
+
+    /* install callbacks */
+    c->ev.map.notify   = map;
+    c->ev.unmap.notify = unmap;
+    c->ev.free.notify  = delete;
+
+    wl_signal_add(&surf->events.map,     &c->ev.map);
+    wl_signal_add(&surf->events.unmap,   &c->ev.unmap);
+    wl_signal_add(&surf->events.destroy, &c->ev.free);
+}
+
+static
+void
+map(struct wl_listener *ev, void *arg)
+{
+    Client *c;
+
+    c  = wl_container_of(ev, c, ev.map);
+    
+    wl_list_insert(&dwm.tiles, &c->link.tiles);
+    wl_list_insert(&dwm.focus, &c->link.focus);
+    wl_list_insert(&dwm.stack, &c->link.stack);
+
+    wlr_xdg_surface_get_geometry(c->surf, &c->dim);
+
+	c->dim.width  += 2 * c->bw;
+	c->dim.height += 2 * c->bw;
+
+    applyrules(c);
+}
+
+static
+void
+unmap(struct wl_listener *ev, void *arg)
+{
+    Monitor *m;
+    Client  *c;
+
+    c = wl_container_of(ev, c, ev.unmap);
+    m = c->m;
+    setmonitor(c, nil, 0);
+
+    wl_list_remove(&c->link.tiles);
+    wl_list_remove(&c->link.stack);
+    wl_list_remove(&c->link.focus);
+
+    c->surf = nil;
+    arrange(m);
+}
+
+static
+void
+delete(struct wl_listener *ev, void *arg)
+{
+    Client *c;
+    c = wl_container_of(ev, c, ev.free);
+    free(c);
+}