tray: implement d-bus menu

include/swaybar/input.h

@@ -48,8 +48,8 @@ struct swaybar_hotspot {
 	struct wl_list link; // swaybar_output::hotspots
 	int x, y, width, height;
 	enum hotspot_event_handling (*callback)(struct swaybar_output *output,
-		struct swaybar_hotspot *hotspot, double x, double y, uint32_t button,
-		void *data);
+		struct swaybar_hotspot *hotspot, struct wl_seat *seat, uint32_t serial,
+		double x, double y, uint32_t button, void *data);
 	void (*destroy)(void *data);
 	void *data;
 };

include/swaybar/tray/item.h

@@ -7,6 +7,7 @@
 #include "swaybar/tray/tray.h"
 #include "list.h"
 
+struct swaybar_menu;
 struct swaybar_output;
 
 struct swaybar_pixmap {
@@ -21,6 +22,7 @@ struct swaybar_sni_slot {
 	const char *type;
 	void *dest;
 	sd_bus_slot *slot;
+	int menu_id;
 };
 
 struct swaybar_sni {
@@ -35,7 +37,7 @@ struct swaybar_sni {
 	char *watcher_id;
 	char *service;
 	char *path;
-	char *interface;
+	const char *interface;
 
 	char *status;
 	char *icon_name;
@@ -43,10 +45,13 @@ struct swaybar_sni {
 	char *attention_icon_name;
 	list_t *attention_icon_pixmap; // struct swaybar_pixmap *
 	bool item_is_menu;
-	char *menu;
+	char *menu_path;
 	char *icon_theme_path; // non-standard KDE property
 
 	struct wl_list slots; // swaybar_sni_slot::link
+
+	struct swaybar_menu_item *menu;
+	char **menu_icon_theme_paths;
 };
 
 struct swaybar_sni *create_sni(char *id, struct swaybar_tray *tray);

include/swaybar/tray/menu.h

@@ -0,0 +1,102 @@
+#ifndef _SWAYBAR_TRAY_MENU_H
+#define _SWAYBAR_TRAY_MENU_H
+
+#include <cairo.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include "pool-buffer.h"
+#include "xdg-shell-client-protocol.h"
+
+struct swaybar_tray;
+struct swaybar_output;
+struct swaybar_sni;
+struct wl_seat;
+
+
+/* MENU */
+
+struct swaybar_menu_item {
+	struct swaybar_sni *sni;
+	struct swaybar_menu_item *parent;
+
+	int32_t id;
+
+	bool is_separator; // instead of type
+	char *label;
+	bool enabled;
+	bool visible;
+	char *icon_name;
+	cairo_surface_t *icon;
+	cairo_surface_t *icon_data;
+
+	enum {
+		MENU_NONE,
+		MENU_CHECKMARK,
+		MENU_RADIO
+	} toggle_type;
+	int toggle_state;
+
+	list_t *children; // struct swaybar_menu_item *
+};
+
+void destroy_menu(struct swaybar_menu_item *menu);
+
+
+/* POPUP */
+
+struct swaybar_popup_hotspot {
+	int y;
+	struct swaybar_menu_item *item;
+};
+
+struct swaybar_popup_surface {
+	struct swaybar_menu_item *item;
+	struct swaybar_popup_surface *child;
+	list_t *hotspots; // struct swaybar_popup_hotspot *
+
+	struct xdg_popup *xdg_popup;
+	struct xdg_surface *xdg_surface;
+	struct wl_surface *surface;
+	struct pool_buffer buffers[2];
+	struct pool_buffer *current_buffer;
+};
+
+struct swaybar_popup {
+	struct swaybar_tray *tray;
+	struct swaybar_sni *sni;
+	struct swaybar_output *output;
+	struct wl_seat *seat;
+	struct xdg_wm_base *wm_base;
+
+	struct swaybar_popup_surface *popup_surface;
+	struct swaybar_popup_surface *pointer_focus;
+	struct swaybar_popup_hotspot **last_hover;
+
+	// used to track clicks across callbacks
+	uint32_t serial;
+	int x, y;
+};
+
+void open_popup(struct swaybar_sni *sni, struct swaybar_output *output,
+		struct wl_seat *seat, uint32_t serial, int x, int y);
+void destroy_popup(struct swaybar_popup *popup);
+
+
+/* INPUT HOOKS
+ * These functions are called at the start of their respective counterparts in
+ * input.c, returning true if the event occurs on the popup instead of the bar
+ */
+
+bool popup_pointer_enter(void *data, struct wl_pointer *wl_pointer,
+		uint32_t serial, struct wl_surface *surface,
+		wl_fixed_t surface_x, wl_fixed_t surface_y);
+bool popup_pointer_leave(void *data, struct wl_pointer *wl_pointer,
+		uint32_t serial, struct wl_surface *surface);
+bool popup_pointer_motion(void *data, struct wl_pointer *wl_pointer,
+		uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y);
+bool popup_pointer_button(void *data, struct wl_pointer *wl_pointer,
+		uint32_t serial, uint32_t time, uint32_t button, uint32_t state);
+bool popup_pointer_axis(void *data, struct wl_pointer *wl_pointer,
+		uint32_t time, uint32_t axis, wl_fixed_t value);
+
+#endif

include/swaybar/tray/tray.h

@@ -14,6 +14,7 @@
 
 struct swaybar;
 struct swaybar_output;
+struct swaybar_popup;
 struct swaybar_watcher;
 
 struct swaybar_tray {
@@ -30,6 +31,8 @@ struct swaybar_tray {
 
 	list_t *basedirs; // char *
 	list_t *themes; // struct swaybar_theme *
+
+	struct swaybar_popup *popup;
 };
 
 struct swaybar_tray *create_tray(struct swaybar *bar);