From b9a07a67b85e9192faa0e285b4419bd5ef242a03 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Tue, 28 Sep 2021 14:34:34 -0700
Subject: feat: reorganized code to be more modular

---
 sys/cmd/wm/client.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 sys/cmd/wm/client.c

(limited to 'sys/cmd/wm/client.c')

diff --git a/sys/cmd/wm/client.c b/sys/cmd/wm/client.c
new file mode 100644
index 0000000..7d828a0
--- /dev/null
+++ b/sys/cmd/wm/client.c
@@ -0,0 +1,95 @@
+#include "wm.h"
+
+void
+focus(Client *client, struct wlr_surface *new)
+{
+    struct wlr_seat        *seat;
+    struct wlr_surface     *old;
+    struct wlr_xdg_surface *xdg;
+    struct wlr_keyboard    *keyboard;
+
+    if(!client)
+        return;
+
+    seat = server.input.seat;
+    old  = seat->keyboard_state.focused_surface;
+    if(old == new)
+        return;
+
+    if(old) {
+        xdg = wlr_xdg_surface_from_wlr_surface(seat->keyboard_state.focused_surface);
+        wlr_xdg_toplevel_set_activated(xdg, false);
+    }
+
+    keyboard = wlr_seat_get_keyboard(seat);
+
+    wl_list_remove(&client->link);
+    wl_list_insert(&server.clients, &client->link);
+
+    wlr_xdg_toplevel_set_activated(client->xdg, true);
+    wlr_seat_keyboard_notify_enter(seat, client->xdg->surface,
+        keyboard->keycodes, keyboard->num_keycodes, &keyboard->modifiers);
+}
+
+int
+clienthas(Client *client, double lx, double ly, struct wlr_surface **surface, double *sx, double *sy)
+{
+    double x, y, vsx = lx - client->x, vsy = ly - client->y;
+    struct wlr_surface *find = nil;
+
+    find = wlr_xdg_surface_surface_at(client->xdg, vsx, vsy, &x, &y);
+    if(find) {
+        *sx = x;
+        *sy = y;
+        *surface = find;
+        return true;
+    }
+
+    return false;
+}
+
+Client*
+clientat(double lx, double ly, struct wlr_surface **surface, double *sx, double *sy)
+{
+    Client *it;
+    wl_list_for_each(it, &server.clients, link) {
+        if(clienthas(it, lx, ly, surface, sx, sy))
+            return it;
+    }
+
+    return nil;
+}
+
+void
+setinteractive(Client *client, int mode, uint32 edges) {
+    double bx, by;
+    struct wlr_box box;
+    struct wlr_surface *focused = server.input.seat->pointer_state.focused_surface;
+
+    if(client->xdg->surface != focused)
+        return;
+
+    server.grab.client = client;
+    server.cursor.mode = mode;
+
+    if(mode == CursorMove) {
+        server.grab.x = server.cursor.dot->x - client->x;
+        server.grab.y = server.cursor.dot->y - client->y;
+    } else {
+        wlr_xdg_surface_get_geometry(client->xdg, &box);
+
+        bx = (client->x + box.x) + ((edges & WLR_EDGE_RIGHT)  ? box.width  : 0);
+        by = (client->y + box.y) + ((edges & WLR_EDGE_BOTTOM) ? box.height : 0);
+
+        server.grab.x = server.cursor.dot->x - bx;
+        server.grab.y = server.cursor.dot->y - by;
+
+        server.grab.box = box;
+        server.grab.box.x += client->x;
+        server.grab.box.y += client->y;
+
+        server.resize = edges;
+    }
+}
+
+
-- 
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