Merge pull request #1585 from acrisci/focus-overhaul

focus overhaul

8 files changed, 70 insertions, 18 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 4ee7af2a..9ff18823 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -46,9 +46,9 @@ struct cmd_results *checkarg(int argc, const char *name,
 		enum expected_args type, int val);
 
 /**
- * Parse and handles a command.
+ * Parse and executes a command.
  */
-struct cmd_results *handle_command(char *command);
+struct cmd_results *execute_command(char *command,  struct sway_seat *seat);
 /**
  * Parse and handles a command during config file loading.
  *
diff --git a/include/sway/container.h b/include/sway/container.h
index 0c66932d..f200a1a2 100644
--- a/include/sway/container.h
+++ b/include/sway/container.h
@@ -106,10 +106,6 @@ struct sway_container {
 	 * The parent of this container. NULL for the root container.
 	 */
 	struct sway_container *parent;
-	/**
-	 * Which of this container's children has focus.
-	 */
-	struct sway_container *focused;
 
 	/**
 	 * Number of master views in auto layouts.
@@ -162,4 +158,12 @@ void container_map(swayc_t *container,
 swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
 		struct wlr_surface **surface, double *sx, double *sy);
 
+/**
+ * Apply the function for each child of the container breadth first.
+ */
+void container_for_each_bfs(swayc_t *con, void (*f)(swayc_t *con, void *data),
+		void *data);
+
+swayc_t *swayc_change_layout(swayc_t *container, enum swayc_layouts layout);
+
 #endif
diff --git a/include/sway/input/input-manager.h b/include/sway/input/input-manager.h
index 66ace262..eab7dc90 100644
--- a/include/sway/input/input-manager.h
+++ b/include/sway/input/input-manager.h
@@ -16,14 +16,15 @@ struct sway_input_device {
 	struct wlr_input_device *wlr_device;
 	struct input_config *config;
 	struct wl_list link;
+	struct wl_listener device_destroy;
 };
 
 struct sway_input_manager {
-	struct wl_listener input_add;
-	struct wl_listener input_remove;
 	struct sway_server *server;
 	struct wl_list devices;
 	struct wl_list seats;
+
+	struct wl_listener new_input;
 };
 
 struct sway_input_manager *sway_input_manager_create(
diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h
index b21cbccb..1d55bec7 100644
--- a/include/sway/input/seat.h
+++ b/include/sway/input/seat.h
@@ -12,14 +12,26 @@ struct sway_seat_device {
 	struct wl_list link; // sway_seat::devices
 };
 
+struct sway_seat_container {
+	struct sway_seat *seat;
+	swayc_t *container;
+
+	struct wl_list link; // sway_seat::focus_stack
+
+	struct wl_listener destroy;
+};
+
 struct sway_seat {
 	struct wlr_seat *wlr_seat;
 	struct seat_config *config;
 	struct sway_cursor *cursor;
 	struct sway_input_manager *input;
-	swayc_t *focus;
+
+	bool has_focus;
+	struct wl_list focus_stack; // list of containers in focus order
 
 	struct wl_listener focus_destroy;
+	struct wl_listener new_container;
 
 	struct wl_list devices; // sway_seat_device::link
 
@@ -44,6 +56,22 @@ void sway_seat_configure_xcursor(struct sway_seat *seat);
 
 void sway_seat_set_focus(struct sway_seat *seat, swayc_t *container);
 
+swayc_t *sway_seat_get_focus(struct sway_seat *seat);
+
+/**
+ * Return the last container to be focused for the seat (or the most recently
+ * opened if no container has received focused) that is a child of the given
+ * container. The focus-inactive container of the root window is the focused
+ * container for the seat (if the seat does have focus). This function can be
+ * used to determine what container gets focused next if the focused container
+ * is destroyed, or focus moves to a container with children and we need to
+ * descend into the next leaf in focus order.
+ */
+swayc_t *sway_seat_get_focus_inactive(struct sway_seat *seat, swayc_t *container);
+
+swayc_t *sway_seat_get_focus_by_type(struct sway_seat *seat,
+		enum swayc_types type);
+
 void sway_seat_set_config(struct sway_seat *seat, struct seat_config *seat_config);
 
 #endif
diff --git a/include/sway/layout.h b/include/sway/layout.h
index af561453..e82c4442 100644
--- a/include/sway/layout.h
+++ b/include/sway/layout.h
@@ -2,6 +2,19 @@
 #define _SWAY_LAYOUT_H
 
 #include <wlr/types/wlr_output_layout.h>
+#include "sway/container.h"
+
+enum movement_direction {
+	MOVE_LEFT,
+	MOVE_RIGHT,
+	MOVE_UP,
+	MOVE_DOWN,
+	MOVE_PARENT,
+	MOVE_CHILD,
+	MOVE_NEXT,
+	MOVE_PREV,
+	MOVE_FIRST
+};
 
 struct sway_container;
 
@@ -11,13 +24,20 @@ struct sway_root {
 	struct wl_listener output_layout_change;
 
 	struct wl_list unmanaged_views; // sway_view::unmanaged_view_link
+
+	struct {
+		struct wl_signal new_container;
+	} events;
 };
 
 void init_layout(void);
 void add_child(struct sway_container *parent, struct sway_container *child);
+swayc_t *add_sibling(swayc_t *parent, swayc_t *child);
 struct sway_container *remove_child(struct sway_container *child);
 enum swayc_layouts default_layout(struct sway_container *output);
 void sort_workspaces(struct sway_container *output);
 void arrange_windows(struct sway_container *container, double width, double height);
+swayc_t *get_swayc_in_direction(swayc_t *container,
+		struct sway_seat *seat, enum movement_direction dir);
 
 #endif
diff --git a/include/sway/output.h b/include/sway/output.h
index 7ca02d7b..95d64705 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -14,6 +14,7 @@ struct sway_output {
 	struct timespec last_frame;
 
 	struct wl_listener frame;
+	struct wl_listener output_destroy;
 };
 
 #endif
diff --git a/include/sway/server.h b/include/sway/server.h
index d497e132..3fcdb1ba 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -24,8 +24,7 @@ struct sway_server {
 
 	struct sway_input_manager *input;
 
-	struct wl_listener output_add;
-	struct wl_listener output_remove;
+	struct wl_listener new_output;
 	struct wl_listener output_frame;
 
 	struct wlr_xdg_shell_v6 *xdg_shell_v6;
@@ -45,8 +44,7 @@ bool server_init(struct sway_server *server);
 void server_fini(struct sway_server *server);
 void server_run(struct sway_server *server);
 
-void output_add_notify(struct wl_listener *listener, void *data);
-void output_remove_notify(struct wl_listener *listener, void *data);
+void handle_new_output(struct wl_listener *listener, void *data);
 
 void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data);
 void handle_xwayland_surface(struct wl_listener *listener, void *data);
diff --git a/include/sway/workspace.h b/include/sway/workspace.h
index 30bbdaa8..fee54255 100644
--- a/include/sway/workspace.h
+++ b/include/sway/workspace.h
@@ -1,7 +1,7 @@
 #ifndef _SWAY_WORKSPACE_H
 #define _SWAY_WORKSPACE_H
 
-struct sway_container;
+#include "sway/container.h"
 
 extern char *prev_workspace_name;
 
@@ -12,9 +12,9 @@ bool workspace_switch(swayc_t *workspace);
 struct sway_container *workspace_by_number(const char* name);
 swayc_t *workspace_by_name(const char*);
 
-struct sway_container *workspace_output_next(struct sway_container *current);
-struct sway_container *workspace_next(struct sway_container *current);
-struct sway_container *workspace_output_prev(struct sway_container *current);
-struct sway_container *workspace_prev(struct sway_container *current);
+struct sway_container *workspace_output_next(swayc_t *current);
+struct sway_container *workspace_next(swayc_t *current);
+struct sway_container *workspace_output_prev(swayc_t *current);
+struct sway_container *workspace_prev(swayc_t *current);
 
 #endif