Merge pull request #1234 from 4e554c4c/tray

Implement Tray Icons

5 files changed, 157 insertions, 0 deletions

diff --git a/include/swaybar/tray/dbus.h b/include/swaybar/tray/dbus.h
new file mode 100644
index 00000000..eb9cfea7
--- /dev/null
+++ b/include/swaybar/tray/dbus.h
@@ -0,0 +1,18 @@
+#ifndef _SWAYBAR_DBUS_H
+#define _SWAYBAR_DBUS_H
+
+#include <stdbool.h>
+#include <dbus/dbus.h>
+extern DBusConnection *conn;
+
+/**
+ * Should be called in main loop to dispatch events
+ */
+void dispatch_dbus();
+
+/**
+ * Initializes async dbus communication
+ */
+int dbus_init();
+
+#endif /* _SWAYBAR_DBUS_H */
diff --git a/include/swaybar/tray/icon.h b/include/swaybar/tray/icon.h
new file mode 100644
index 00000000..1cc6ff9c
--- /dev/null
+++ b/include/swaybar/tray/icon.h
@@ -0,0 +1,16 @@
+#ifndef _SWAYBAR_ICON_H
+#define _SWAYBAR_ICON_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <client/cairo.h>
+
+/**
+ * Returns the image found by `name` that is closest to `size`
+ */
+cairo_surface_t *find_icon(const char *name, int size);
+
+/* Struct used internally only */
+struct subdir;
+
+#endif /* _SWAYBAR_ICON_H */
diff --git a/include/swaybar/tray/sni.h b/include/swaybar/tray/sni.h
new file mode 100644
index 00000000..83809b2d
--- /dev/null
+++ b/include/swaybar/tray/sni.h
@@ -0,0 +1,81 @@
+#ifndef _SWAYBAR_SNI_H
+#define _SWAYBAR_SNI_H
+
+#include <stdbool.h>
+#include <client/cairo.h>
+
+struct StatusNotifierItem {
+	/* Name registered to sni watcher */
+	char *name;
+	/* Unique bus name, needed for determining signal origins */
+	char *unique_name;
+	bool kde_special_snowflake;
+
+	cairo_surface_t *image;
+	bool dirty;
+};
+
+/* Each output holds an sni_icon_ref of each item to render */
+struct sni_icon_ref {
+	cairo_surface_t *icon;
+	struct StatusNotifierItem *ref;
+};
+
+struct sni_icon_ref *sni_icon_ref_create(struct StatusNotifierItem *item,
+		int height);
+
+void sni_icon_ref_free(struct sni_icon_ref *sni_ref);
+
+/**
+ * Will return a new item and get its icon. (see warning below)
+ */
+struct StatusNotifierItem *sni_create(const char *name);
+
+/**
+ * `item` must be a struct StatusNotifierItem *
+ * `str` must be a NUL terminated char *
+ *
+ * Returns 0 if `item` has a name of `str`
+ */
+int sni_str_cmp(const void *item, const void *str);
+
+/**
+ * Returns 0 if `item` has a unique name of `str` or if
+ * `item->unique_name == NULL`
+ */
+int sni_uniq_cmp(const void *item, const void *str);
+
+/**
+ * Gets an icon for the given item if found.
+ *
+ * XXX
+ * This function keeps a reference to the item until it gets responses, make
+ * sure that the reference and item are valid during this time.
+ */
+void get_icon(struct StatusNotifierItem *item);
+
+/**
+ * Calls the "activate" method on the given StatusNotifierItem
+ *
+ * x and y should be where the item was clicked
+ */
+void sni_activate(struct StatusNotifierItem *item, uint32_t x, uint32_t y);
+
+/**
+ * Asks the item to draw a context menu at the given x and y coords
+ */
+void sni_context_menu(struct StatusNotifierItem *item, uint32_t x, uint32_t y);
+
+/**
+ * Calls the "secondary activate" method on the given StatusNotifierItem
+ *
+ * x and y should be where the item was clicked
+ */
+void sni_secondary(struct StatusNotifierItem *item, uint32_t x, uint32_t y);
+
+/**
+ * Deconstructs `item`
+ */
+void sni_free(struct StatusNotifierItem *item);
+
+#endif /* _SWAYBAR_SNI_H */
diff --git a/include/swaybar/tray/sni_watcher.h b/include/swaybar/tray/sni_watcher.h
new file mode 100644
index 00000000..25ddfcd2
--- /dev/null
+++ b/include/swaybar/tray/sni_watcher.h
@@ -0,0 +1,10 @@
+#ifndef _SWAYBAR_SNI_WATCHER_H
+#define _SWAYBAR_SNI_WATCHER_H
+
+/**
+ * Starts the sni_watcher, the watcher is practically a black box and should
+ * only be accessed though functions described in its spec
+ */
+int init_sni_watcher();
+
+#endif /* _SWAYBAR_SNI_WATCHER_H */
diff --git a/include/swaybar/tray/tray.h b/include/swaybar/tray/tray.h
new file mode 100644
index 00000000..b718e555
--- /dev/null
+++ b/include/swaybar/tray/tray.h
@@ -0,0 +1,32 @@
+#ifndef _SWAYBAR_TRAY_H
+#define _SWAYBAR_TRAY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "swaybar/tray/dbus.h"
+#include "swaybar/tray/sni.h"
+#include "swaybar/bar.h"
+#include "list.h"
+
+extern struct tray *tray;
+
+struct tray {
+	list_t *items;
+};
+
+/**
+ * Processes a mouse event on the bar
+ */
+void tray_mouse_event(struct output *output, int x, int y,
+		uint32_t button, uint32_t state);
+
+uint32_t tray_render(struct output *output, struct config *config);
+
+void tray_upkeep(struct bar *bar);
+
+/**
+ * Initializes the tray with D-Bus
+ */
+void init_tray();
+
+#endif /* _SWAYBAR_TRAY_H */