Add view_resize

include/rootston/input.h

@@ -71,6 +71,7 @@ struct roots_input {
 	enum roots_cursor_mode mode;
 	struct roots_view *active_view;
 	int offs_x, offs_y;
+	uint32_t resize_edges;
 
 	// Ring buffer of input events that could trigger move/resize/rotate
 	int input_events_idx;
@@ -111,6 +112,6 @@ const struct roots_input_event *get_input_event(struct roots_input *input,
 void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
 		struct roots_view *view);
 void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view);
+		struct roots_view *view, uint32_t edges);
 
 #endif

include/rootston/view.h

@@ -63,9 +63,11 @@ struct roots_view {
 	// elsewhere
 	void (*get_input_bounds)(struct roots_view *view, struct wlr_box *box);
 	void (*activate)(struct roots_view *view, bool active);
+	void (*resize)(struct roots_view *view, uint32_t width, uint32_t height);
 };
 
 void view_get_input_bounds(struct roots_view *view, struct wlr_box *box);
 void view_activate(struct roots_view *view, bool active);
+void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
 
 #endif

rootston/cursor.c

@@ -30,10 +30,12 @@ void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
 }
 
 void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view) {
+		struct roots_view *view, uint32_t edges) {
 	input->mode = ROOTS_CURSOR_RESIZE;
-	input->offs_x = cursor->x - view->x;
-	input->offs_y = cursor->y - view->y;
+	wlr_log(L_DEBUG, "begin resize");
+	input->offs_x = cursor->x - (double)view->wlr_surface->current.width - view->x;
+	input->offs_y = cursor->y - (double)view->wlr_surface->current.height - view->y;
+	input->resize_edges = edges;
 	wlr_seat_pointer_clear_focus(input->wl_seat);
 }
 
@@ -61,9 +63,11 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
 		}
 		break;
 	case ROOTS_CURSOR_RESIZE:
-		// TODO: this is just for testing
-		if (input->active_view && input->active_view->type == ROOTS_XDG_SHELL_V6_VIEW) {
-			wlr_xdg_toplevel_v6_set_size(input->active_view->xdg_surface_v6, input->cursor->x - input->offs_x, input->cursor->y - input->offs_y);
+		if (input->active_view) {
+			// TODO: edges
+			uint32_t width = input->cursor->x - input->offs_x;
+			uint32_t height = input->cursor->y - input->offs_y;
+			view_resize(input->active_view, width, height);
 		}
 		break;
 	case ROOTS_CURSOR_ROTATE:

rootston/desktop.c

@@ -41,6 +41,12 @@ void view_activate(struct roots_view *view, bool activate) {
 	}
 }
 
+void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	if (view->resize) {
+		view->resize(view, width, height);
+	}
+}
+
 struct roots_view *view_at(struct roots_desktop *desktop, int x, int y) {
 	for (size_t i = 0; i < desktop->views->length; ++i) {
 		struct roots_view *view = desktop->views->items[i];

rootston/xdg_shell_v6.c

@@ -29,6 +29,14 @@ static void activate(struct roots_view *view, bool active) {
 	}
 }
 
+static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
+	struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
+	if (surf->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		wlr_xdg_toplevel_v6_set_size(surf, width, height);
+	}
+}
+
 static void handle_request_move(struct wl_listener *listener, void *data) {
 	struct roots_xdg_surface_v6 *roots_xdg_surface =
 		wl_container_of(listener, roots_xdg_surface, request_move);
@@ -52,7 +60,7 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_resize(input, event->cursor, view);
+	view_begin_resize(input, event->cursor, view, e->edges);
 }
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
@@ -102,6 +110,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	view->wlr_surface = surface->surface;
 	view->get_input_bounds = get_input_bounds;
 	view->activate = activate;
+	view->resize = resize;
 	view->desktop = desktop;
 	roots_surface->view = view;
 	list_add(desktop->views, view);