base

2026-01-02 22:53:34 +07:00
commit a12293fd3a
22 changed files with 915 additions and 0 deletions
@@ -0,0 +1,89 @@
+#include <wayland-server-core.h>
+#include <wlr/util/log.h>
+
+#include "types.h"
+#include "absinthe-toplevel.h"
+
+void reset_cursor_mode(struct absinthe_server *server)
+{
+    server->cursor_mode = ABSINTHE_CURSOR_PASSTHROUGH;
+    server->grabbed_toplevel = NULL;
+}
+
+static void process_cursor_move(struct absinthe_server *server) {
+    struct absinthe_toplevel *toplevel = server->grabbed_toplevel;
+
+    if (!toplevel) return;
+
+    uint32_t new_x, new_y;
+    new_x = server->cursor->x - server->grab_x + server->grabbed_toplevel_x;
+    new_y = server->cursor->y - server->grab_y + server->grabbed_toplevel_y;
+    wlr_scene_node_set_position(&toplevel->scene_tree->node, new_x, new_y);
+}
+
+static void process_cursor_resize(struct absinthe_server *server) {
+    struct absinthe_toplevel *toplevel = server->grabbed_toplevel;
+
+    if (!toplevel) return;
+
+    int32_t new_x, new_y, new_width, new_height;
+    new_x = server->grabbed_toplevel_x;
+    new_y = server->grabbed_toplevel_y;
+    new_width = server->grabbed_toplevel_width;
+    new_height = server->grabbed_toplevel_height;
+
+    switch (server->cursor_resize_corner) {
+    case ABSINTHE_CURSOR_RESIZE_CORNER_TOP_LEFT:
+        new_x += server->cursor->x - server->grab_x;
+        new_y += server->cursor->y - server->grab_y;
+        new_width -= server->cursor->x - server->grab_x;
+        new_height -= server->cursor->y - server->grab_y;
+        break;
+    case ABSINTHE_CURSOR_RESIZE_CORNER_TOP_RIGHT:
+        new_y += server->cursor->y - server->grab_y;
+        new_width += server->cursor->x - server->grab_x;
+        new_height -= server->cursor->y - server->grab_y;
+        break;
+    case ABSINTHE_CURSOR_RESIZE_CORNER_BOTTOM_LEFT:
+        new_x += server->cursor->x - server->grab_x;
+        new_width -= server->cursor->x - server->grab_x;
+        new_height += server->cursor->y - server->grab_y;
+        break;
+    case ABSINTHE_CURSOR_RESIZE_CORNER_BOTTOM_RIGHT:
+        new_width += server->cursor->x - server->grab_x;
+        new_height += server->cursor->y - server->grab_y;
+        break;
+    default: // unreachable
+        break;
+    }
+
+    if (new_width > 0 && new_height > 0) {
+        wlr_scene_node_set_position(&toplevel->scene_tree->node, new_x, new_y);
+        wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, new_width, new_height);
+    }
+}
+
+void process_cursor_motion(struct absinthe_server *server, uint32_t time)
+{
+    if (server->cursor_mode == ABSINTHE_CURSOR_MOVE) {
+        process_cursor_move(server);
+        return;
+    } else if (server->cursor_mode == ABSINTHE_CURSOR_RESIZE) {
+        process_cursor_resize(server);
+        return;
+    }
+
+    double sx, sy;
+    struct wlr_seat *seat = server->seat;
+    struct wlr_surface *surface = NULL;
+    struct absinthe_toplevel *toplevel = absinthe_toplevel_at(server, server->cursor->x, server->cursor->y, &surface, &sx, &sy);
+    if (!toplevel) {
+        wlr_cursor_set_xcursor(server->cursor, server->cursor_mgr, "default");
+    }
+    if (surface) {
+        wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
+        wlr_seat_pointer_notify_motion(seat, time, sx, sy);
+    } else {
+        wlr_seat_pointer_clear_focus(seat);
+    }
+}