1 files changed, 92 insertions, 18 deletions

diff --git a/rootston/desktop.c b/rootston/desktop.c
index c5242599..448171ec 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -39,36 +39,64 @@ void view_destroy(struct roots_view *view) {
 	free(view);
 }
 
-void view_get_size(struct roots_view *view, struct wlr_box *box) {
+void view_get_box(const struct roots_view *view, struct wlr_box *box) {
+	box->x = view->x;
+	box->y = view->y;
 	if (view->get_size) {
 		view->get_size(view, box);
-		return;
+	} else {
+		box->width = view->wlr_surface->current->width;
+		box->height = view->wlr_surface->current->height;
 	}
-	box->x = box->y = 0;
-	box->width = view->wlr_surface->current->width;
-	box->height = view->wlr_surface->current->height;
 }
 
-void view_activate(struct roots_view *view, bool activate) {
-	if (view->activate) {
-		view->activate(view, activate);
+static void view_update_output(const struct roots_view *view,
+		const struct wlr_box *before) {
+	struct roots_desktop *desktop = view->desktop;
+	struct roots_output *output;
+	struct wlr_box box;
+	view_get_box(view, &box);
+	wl_list_for_each(output, &desktop->outputs, link) {
+		bool intersected = before->x != -1 && wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				before->x, before->y, before->x + before->width,
+				before->y + before->height);
+		bool intersects = wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				view->x, view->y, view->x + box.width, view->y + box.height);
+		if (intersected && !intersects) {
+			wlr_surface_send_leave(view->wlr_surface, output->wlr_output);
+		}
+		if (!intersected && intersects) {
+			wlr_surface_send_enter(view->wlr_surface, output->wlr_output);
+		}
 	}
 }
 
 void view_move(struct roots_view *view, double x, double y) {
+	struct wlr_box before;
+	view_get_box(view, &before);
 	if (view->move) {
 		view->move(view, x, y);
-		return;
+	} else {
+		view->x = x;
+		view->y = y;
 	}
+}
 
-	view->x = x;
-	view->y = y;
+void view_activate(struct roots_view *view, bool activate) {
+	if (view->activate) {
+		view->activate(view, activate);
+	}
 }
 
 void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	struct wlr_box before;
+	view_get_box(view, &before);
 	if (view->resize) {
 		view->resize(view, width, height);
 	}
+	view_update_output(view, &before);
 }
 
 void view_move_resize(struct roots_view *view, double x, double y,
@@ -82,6 +110,50 @@ void view_move_resize(struct roots_view *view, double x, double y,
 	view_resize(view, width, height);
 }
 
+void view_maximize(struct roots_view *view, bool maximized) {
+	if (view->maximized == maximized) {
+		return;
+	}
+
+	if (view->maximize) {
+		view->maximize(view, maximized);
+	}
+
+	if (!view->maximized && maximized) {
+		struct wlr_box view_box;
+		view_get_box(view, &view_box);
+
+		view->maximized = true;
+		view->saved.x = view->x;
+		view->saved.y = view->y;
+		view->saved.rotation = view->rotation;
+		view->saved.width = view_box.width;
+		view->saved.height = view_box.height;
+
+		double output_x, output_y;
+		wlr_output_layout_closest_point(view->desktop->layout, NULL,
+			view->x + (double)view_box.width/2,
+			view->y + (double)view_box.height/2,
+			&output_x, &output_y);
+		struct wlr_output *output = wlr_output_layout_output_at(
+			view->desktop->layout, output_x, output_y);
+		struct wlr_box *output_box =
+			wlr_output_layout_get_box(view->desktop->layout, output);
+
+		view_move_resize(view, output_box->x, output_box->y, output_box->width,
+			output_box->height);
+		view->rotation = 0;
+	}
+
+	if (view->maximized && !maximized) {
+		view->maximized = false;
+
+		view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
+			view->saved.height);
+		view->rotation = view->saved.rotation;
+	}
+}
+
 void view_close(struct roots_view *view) {
 	if (view->close) {
 		view->close(view);
@@ -89,8 +161,8 @@ void view_close(struct roots_view *view) {
 }
 
 bool view_center(struct roots_view *view) {
-	struct wlr_box size;
-	view_get_size(view, &size);
+	struct wlr_box box;
+	view_get_box(view, &box);
 
 	struct roots_desktop *desktop = view->desktop;
 
@@ -107,23 +179,25 @@ bool view_center(struct roots_view *view) {
 	int width, height;
 	wlr_output_effective_resolution(output, &width, &height);
 
-	double view_x = (double)(width - size.width) / 2 + l_output->x;
-	double view_y = (double)(height - size.height) / 2 + l_output->y;
-
+	double view_x = (double)(width - box.width) / 2 + l_output->x;
+	double view_y = (double)(height - box.height) / 2 + l_output->y;
 	view_move(view, view_x, view_y);
 
 	return true;
 }
 
 void view_setup(struct roots_view *view) {
-	view_center(view);
-
 	struct roots_input *input = view->desktop->server->input;
 	// TODO what seat gets focus? the one with the last input event?
 	struct roots_seat *seat;
 	wl_list_for_each(seat, &input->seats, link) {
 		roots_seat_focus_view(seat, view);
 	}
+
+	view_center(view);
+	struct wlr_box before;
+	view_get_box(view, &before);
+	view_update_output(view, &before);
 }
 
 void view_teardown(struct roots_view *view) {