Merge pull request #1648 from swaywm/swaybar-layers

Port swaybar to layer shell

13 files changed, 121 insertions, 218 deletions

diff --git a/include/pango.h b/include/pango.h
new file mode 100644
index 00000000..f6325f28
--- /dev/null
+++ b/include/pango.h
@@ -0,0 +1,16 @@
+#ifndef _SWAY_PANGO_H
+#define _SWAY_PANGO_H
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+
+PangoLayout *get_pango_layout(cairo_t *cairo, const char *font,
+		const char *text, int32_t scale, bool markup);
+void get_text_size(cairo_t *cairo, const char *font, int *width, int *height,
+		int32_t scale, bool markup, const char *fmt, ...);
+void pango_printf(cairo_t *cairo, const char *font,
+		int32_t scale, bool markup, const char *fmt, ...);
+
+#endif
diff --git a/include/sway/commands.h b/include/sway/commands.h
index 9ff18823..1291d5fb 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -74,6 +74,9 @@ void free_cmd_results(struct cmd_results *results);
  */
 const char *cmd_results_to_json(struct cmd_results *results);
 
+struct cmd_results *add_color(const char *name,
+		char *buffer, const char *color);
+
 typedef struct cmd_results *sway_cmd(int argc, char **argv);
 
 sway_cmd cmd_assign;
@@ -138,6 +141,7 @@ sway_cmd cmd_splith;
 sway_cmd cmd_splitt;
 sway_cmd cmd_splitv;
 sway_cmd cmd_sticky;
+sway_cmd cmd_swaybg_command;
 sway_cmd cmd_unmark;
 sway_cmd cmd_workspace;
 sway_cmd cmd_ws_auto_back_and_forth;
diff --git a/include/sway/config.h b/include/sway/config.h
index 7fdd0be0..ac1105b4 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -1,17 +1,18 @@
 #ifndef _SWAY_CONFIG_H
 #define _SWAY_CONFIG_H
-
 #define PID_WORKSPACE_TIMEOUT 60
-
 #include <libinput.h>
 #include <stdint.h>
 #include <string.h>
+#include <time.h>
 #include <wlr/types/wlr_box.h>
 #include <xkbcommon/xkbcommon.h>
-#include <time.h>
 #include "list.h"
 #include "tree/layout.h"
 #include "tree/container.h"
+#include "wlr-layer-shell-unstable-v1-protocol.h"
+
+// TODO: Refactor this shit
 
 /**
  * Describes a variable created via the `set` command.
@@ -152,24 +153,13 @@ struct bar_config {
 	char *id;
 	uint32_t modifier;
 	list_t *outputs;
-	//enum desktop_shell_panel_position position; // TODO
+	char *position;
 	list_t *bindings;
 	char *status_command;
 	bool pango_markup;
 	char *swaybar_command;
 	char *font;
 	int height; // -1 not defined
-
-#ifdef ENABLE_TRAY
-	// Tray
-	char *tray_output;
-	char *icon_theme;
-	uint32_t tray_padding;
-	uint32_t activate_button;
-	uint32_t context_button;
-	uint32_t secondary_button;
-#endif
-
 	bool workspace_buttons;
 	bool wrap_scroll;
 	char *separator_symbol;
@@ -292,6 +282,7 @@ struct sway_config {
 	list_t *active_bar_modifiers;
 	struct sway_mode *current_mode;
 	struct bar_config *current_bar;
+	char *swaybg_command;
 	uint32_t floating_mod;
 	uint32_t dragging_key;
 	uint32_t resizing_key;
@@ -420,11 +411,6 @@ void apply_output_config(struct output_config *oc,
 		struct sway_container *output);
 void free_output_config(struct output_config *oc);
 
-/**
- * Updates the list of active bar modifiers
- */
-void update_active_bar_modifiers(void);
-
 int workspace_output_cmp_workspace(const void *a, const void *b);
 
 int sway_binding_cmp(const void *a, const void *b);
@@ -433,27 +419,17 @@ int sway_binding_cmp_keys(const void *a, const void *b);
 void free_sway_binding(struct sway_binding *sb);
 struct sway_binding *sway_binding_dup(struct sway_binding *sb);
 
-int sway_mouse_binding_cmp(const void *a, const void *b);
-int sway_mouse_binding_cmp_qsort(const void *a, const void *b);
-int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
-void free_sway_mouse_binding(struct sway_mouse_binding *smb);
-
+/* Bar stuff */
 void load_swaybars();
+void invoke_swaybar(struct bar_config *bar);
 void terminate_swaybg(pid_t pid);
-
-/**
- * Allocate and initialize default bar configuration.
- */
 struct bar_config *default_bar_config(void);
+void free_bar_config(struct bar_config *bar);
 
-/**
- * Global config singleton.
- */
+/* Global config singleton. */
 extern struct sway_config *config;
 
-/**
- * Config file currently being read.
- */
+/* Config file currently being read */
 extern const char *current_config_path;
 
 #endif
diff --git a/include/sway/ipc-json.h b/include/sway/ipc-json.h
index 3d2fdc4f..7d87d377 100644
--- a/include/sway/ipc-json.h
+++ b/include/sway/ipc-json.h
@@ -9,5 +9,6 @@ json_object *ipc_json_get_version();
 json_object *ipc_json_describe_container(struct sway_container *c);
 json_object *ipc_json_describe_container_recursive(struct sway_container *c);
 json_object *ipc_json_describe_input(struct sway_input_device *device);
+json_object *ipc_json_describe_bar_config(struct bar_config *bar);
 
 #endif
diff --git a/include/sway/ipc-server.h b/include/sway/ipc-server.h
index d73006dc..c3389fe8 100644
--- a/include/sway/ipc-server.h
+++ b/include/sway/ipc-server.h
@@ -12,6 +12,10 @@ void ipc_terminate(void);
 
 struct sockaddr_un *ipc_user_sockaddr(void);
 
+void ipc_event_workspace(struct sway_container *old,
+		struct sway_container *new, const char *change);
 void ipc_event_window(struct sway_container *window, const char *change);
+void ipc_event_barconfig_update(struct bar_config *bar);
+void ipc_event_mode(const char *mode);
 
 #endif
diff --git a/include/sway/layers.h b/include/sway/layers.h
index 22054be1..ee47c5ad 100644
--- a/include/sway/layers.h
+++ b/include/sway/layers.h
@@ -14,8 +14,6 @@ struct sway_layer_surface {
 	struct wl_listener unmap;
 	struct wl_listener surface_commit;
 	struct wl_listener output_destroy;
-	struct wl_listener output_mode;
-	struct wl_listener output_transform;
 
 	bool configured;
 	struct wlr_box geo;
diff --git a/include/sway/output.h b/include/sway/output.h
index f899230f..6fb79987 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -21,6 +21,7 @@ struct sway_output {
 	struct wl_listener frame;
 	struct wl_listener destroy;
 	struct wl_listener mode;
+	struct wl_listener transform;
 
 	pid_t bg_pid;
 };
diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h
index 50d36e76..1bf2ea2d 100644
--- a/include/swaybar/bar.h
+++ b/include/swaybar/bar.h
@@ -1,36 +1,49 @@
 #ifndef _SWAYBAR_BAR_H
 #define _SWAYBAR_BAR_H
-
-#include "client/registry.h"
-#include "client/window.h"
+#include <wayland-client.h>
+#include "pool-buffer.h"
 #include "list.h"
 
-struct bar {
-	struct config *config;
+struct swaybar_config;
+struct swaybar_output;
+struct swaybar_workspace;
+
+struct swaybar {
+	struct wl_display *display;
+	struct wl_compositor *compositor;
+	struct zwlr_layer_shell_v1 *layer_shell;
+	struct wl_shm *shm;
+
+	struct swaybar_config *config;
+	struct swaybar_output *focused_output;
 	struct status_line *status;
-	list_t *outputs;
-	struct output *focused_output;
 
 	int ipc_event_socketfd;
 	int ipc_socketfd;
-	int status_read_fd;
-	int status_write_fd;
-	pid_t status_command_pid;
+
+	struct wl_list outputs;
 };
 
-struct output {
-	struct window *window;
-	struct registry *registry;
-	list_t *workspaces;
-#ifdef ENABLE_TRAY
-	list_t *items;
-#endif
+struct swaybar_output {
+	struct wl_list link;
+	struct swaybar *bar;
+	struct wl_output *output;
+	struct wl_surface *surface;
+	struct zwlr_layer_surface_v1 *layer_surface;
+
+	struct wl_list workspaces;
+
 	char *name;
-	int idx;
+	size_t index;
 	bool focused;
+
+	uint32_t width, height;
+	struct pool_buffer buffers[2];
+	struct pool_buffer *current_buffer;
 };
 
-struct workspace {
+struct swaybar_workspace {
+	struct wl_list link;
 	int num;
 	char *name;
 	bool focused;
@@ -38,35 +51,11 @@ struct workspace {
 	bool urgent;
 };
 
-/** Global bar state */
-extern struct bar swaybar;
+// TODO: Rename stuff to match wlroots conventions (init/create/etc)
+void bar_setup(struct swaybar *bar,
+	const char *socket_path,
+	const char *bar_id);
+void bar_run(struct swaybar *bar);
+void bar_teardown(struct swaybar *bar);
 
-/** True if sway needs to render */
-extern bool dirty;
-
-/**
- * Setup bar.
- */
-void bar_setup(struct bar *bar, const char *socket_path, const char *bar_id);
-
-/**
- * Create new output struct from name.
- */
-struct output *new_output(const char *name);
-
-/**
- * Bar mainloop.
- */
-void bar_run(struct bar *bar);
-
-/**
- * free workspace list.
- */
-void free_workspaces(list_t *workspaces);
-
-/**
- * Teardown bar.
- */
-void bar_teardown(struct bar *bar);
-
-#endif /* _SWAYBAR_BAR_H */
+#endif
diff --git a/include/swaybar/config.h b/include/swaybar/config.h
index 651f0ee3..7634cb16 100644
--- a/include/swaybar/config.h
+++ b/include/swaybar/config.h
@@ -1,49 +1,35 @@
 #ifndef _SWAYBAR_CONFIG_H
 #define _SWAYBAR_CONFIG_H
-
-#include <stdint.h>
 #include <stdbool.h>
-
-#include "list.h"
+#include <stdint.h>
+#include <wayland-client.h>
 #include "util.h"
 
-/**
- * Colors for a box with background, border and text colors.
- */
 struct box_colors {
 	uint32_t border;
 	uint32_t background;
 	uint32_t text;
 };
 
-/**
- * Swaybar config.
- */
-struct config {
+struct config_output {
+	struct wl_list link;
+	char *name;
+	size_t index;
+};
+
+struct swaybar_config {
 	char *status_command;
 	bool pango_markup;
-	uint32_t position;
+	uint32_t position; // zwlr_layer_surface_v1_anchor
 	char *font;
 	char *sep_symbol;
 	char *mode;
+	bool mode_pango_markup;
 	bool strip_workspace_numbers;
 	bool binding_mode_indicator;
 	bool wrap_scroll;
 	bool workspace_buttons;
-	bool all_outputs;
-	list_t *outputs;
-
-#ifdef ENABLE_TRAY
-	// Tray
-	char *tray_output;
-	char *icon_theme;
-
-	uint32_t tray_padding;
-	uint32_t activate_button;
-	uint32_t context_button;
-	uint32_t secondary_button;
-#endif
-
+	struct wl_list outputs;
 	int height;
 
 	struct {
@@ -63,24 +49,8 @@ struct config {
 	} colors;
 };
 
-/**
- * Parse position top|bottom|left|right.
- */
+struct swaybar_config *init_config();
+void free_config(struct swaybar_config *config);
 uint32_t parse_position(const char *position);
 
-/**
- * Parse font.
- */
-char *parse_font(const char *font);
-
-/**
- * Initialize default sway config.
- */
-struct config *init_config();
-
-/**
- * Free config struct.
- */
-void free_config(struct config *config);
-
-#endif /* _SWAYBAR_CONFIG_H */
+#endif
diff --git a/include/swaybar/event_loop.h b/include/swaybar/event_loop.h
index a0cde07f..99f6ed36 100644
--- a/include/swaybar/event_loop.h
+++ b/include/swaybar/event_loop.h
@@ -1,6 +1,5 @@
 #ifndef _SWAYBAR_EVENT_LOOP_H
 #define _SWAYBAR_EVENT_LOOP_H
-
 #include <stdbool.h>
 #include <time.h>
 
@@ -23,4 +22,5 @@ bool remove_timer(timer_t timer);
 void event_loop_poll();
 
 void init_event_loop();
-#endif /*_SWAYBAR_EVENT_LOOP_H */
+
+#endif
diff --git a/include/swaybar/ipc.h b/include/swaybar/ipc.h
index c11931d0..278baef0 100644
--- a/include/swaybar/ipc.h
+++ b/include/swaybar/ipc.h
@@ -1,23 +1,10 @@
 #ifndef _SWAYBAR_IPC_H
 #define _SWAYBAR_IPC_H
+#include <stdbool.h>
+#include "swaybar/bar.h"
 
-#include "bar.h"
-
-/**
- * Initialize ipc connection to sway and get sway state, outputs, bar_config.
- */
-void ipc_bar_init(struct bar *bar, const char *bar_id);
-
-/**
- * Handle ipc event from sway.
- */
-bool handle_ipc_event(struct bar *bar);
-
-
-/**
- * Send workspace command to sway
- */
-void ipc_send_workspace_command(const char *workspace_name);
-
-#endif /* _SWAYBAR_IPC_H */
+void ipc_initialize(struct swaybar *bar, const char *bar_id);
+bool handle_ipc_event(struct swaybar *bar);
+void ipc_get_workspaces(struct swaybar *bar);
 
+#endif
diff --git a/include/swaybar/render.h b/include/swaybar/render.h
index 114f43f4..071e2298 100644
--- a/include/swaybar/render.h
+++ b/include/swaybar/render.h
@@ -1,22 +1,10 @@
 #ifndef _SWAYBAR_RENDER_H
 #define _SWAYBAR_RENDER_H
 
-#include "config.h"
-#include "bar.h"
+struct swaybar;
+struct swaybar_output;
+struct swaybar_config;
 
-/**
- * Render swaybar.
- */
-void render(struct output *output, struct config *config, struct status_line *line);
+void render_frame(struct swaybar *bar, struct swaybar_output *output);
 
-/**
- * Set window height and modify internal spacing accordingly.
- */
-void set_window_height(struct window *window, int height);
-
-/**
- * Compute the size of a workspace name
- */
-void workspace_button_size(struct window *window, const char *workspace_name, int *width, int *height);
-
-#endif /* _SWAYBAR_RENDER_H */
+#endif
diff --git a/include/swaybar/status_line.h b/include/swaybar/status_line.h
index 0664ddee..6c595df0 100644
--- a/include/swaybar/status_line.h
+++ b/include/swaybar/status_line.h
@@ -1,61 +1,30 @@
 #ifndef _SWAYBAR_STATUS_LINE_H
 #define _SWAYBAR_STATUS_LINE_H
-
 #include <stdint.h>
+#include <stdio.h>
 #include <stdbool.h>
-
-#include "list.h"
 #include "bar.h"
 
-typedef enum {UNDEF, TEXT, I3BAR} command_protocol;
+enum status_protocol {
+	PROTOCOL_UNDEF,
+	PROTOCOL_TEXT,
+	PROTOCOL_I3BAR,
+};
 
 struct status_line {
-	list_t *block_line;
-	const char *text_line;
-	command_protocol protocol;
-	bool click_events;
-};
+	pid_t pid;
+	int read_fd, write_fd;
+	FILE *read, *write;
 
-struct status_block {
-	char *full_text, *short_text, *align;
-	bool urgent;
-	uint32_t color;
-	int min_width;
-	char *name, *instance;
-	bool separator;
-	int separator_block_width;
-	bool markup;
-	// Airblader features
-	uint32_t background;
-	uint32_t border;
-	int border_top;
-	int border_bottom;
-	int border_left;
-	int border_right;
+	enum status_protocol protocol;
+	const char *text;
 
-	// Set during rendering
-	int x;
-	int width;
+	char *buffer;
+	size_t buffer_size;
 };
 
-/**
- * Initialize status line struct.
- */
-struct status_line *init_status_line();
-
-/**
- * handle status line activity.
- */
-bool handle_status_line(struct bar *bar);
-
-/**
- * Handle mouse clicks.
- */
-bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button);
-
-/**
- * Free status line struct.
- */
-void free_status_line(struct status_line *line);
+struct status_line *status_line_init(char *cmd);
+void status_line_free(struct status_line *status);
+bool handle_status_readable(struct status_line *status);
 
-#endif /* _SWAYBAR_STATUS_LINE_H */
+#endif