Merge pull request #2874 from ianyfan/swaybar

swaybar: separate input code to new file

7 files changed, 340 insertions, 316 deletions

diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h
index 58e2dee6..95b20510 100644
--- a/include/swaybar/bar.h
+++ b/include/swaybar/bar.h
@@ -1,6 +1,7 @@
 #ifndef _SWAYBAR_BAR_H
 #define _SWAYBAR_BAR_H
 #include <wayland-client.h>
+#include "input.h"
 #include "pool-buffer.h"
 #include "wlr-layer-shell-unstable-v1-client-protocol.h"
 #include "xdg-output-unstable-v1-client-protocol.h"
@@ -10,42 +11,6 @@ struct swaybar_output;
 struct swaybar_workspace;
 struct loop;
 
-struct swaybar_pointer {
-        struct wl_pointer *pointer;
-        struct wl_cursor_theme *cursor_theme;
-        struct wl_cursor_image *cursor_image;
-        struct wl_surface *cursor_surface;
-        struct swaybar_output *current;
-        int x, y;
-};
-
-enum x11_button {
-        NONE,
-        LEFT,
-        MIDDLE,
-        RIGHT,
-        SCROLL_UP,
-        SCROLL_DOWN,
-        SCROLL_LEFT,
-        SCROLL_RIGHT,
-        BACK,
-        FORWARD,
-};
-
-enum hotspot_event_handling {
-        HOTSPOT_IGNORE,
-        HOTSPOT_PROCESS,
-};
-
-struct swaybar_hotspot {
-        struct wl_list link; // swaybar_output::hotspots
-        int x, y, width, height;
-        enum hotspot_event_handling (*callback)(struct swaybar_output *output,
-                        int x, int y, enum x11_button button, void *data);
-        void (*destroy)(void *data);
-        void *data;
-};
-
 struct swaybar {
         char *id;
         char *mode;
@@ -125,7 +90,6 @@ void bar_teardown(struct swaybar *bar);
  * Returns true if the bar is now visible, otherwise false.
  */
 bool determine_bar_visibility(struct swaybar *bar, bool moving_layer);
-void free_hotspots(struct wl_list *list);
 void free_workspaces(struct wl_list *list);
 
 #endif
diff --git a/include/swaybar/i3bar.h b/include/swaybar/i3bar.h
index d4a48e07..3f1ecc25 100644
--- a/include/swaybar/i3bar.h
+++ b/include/swaybar/i3bar.h
@@ -1,7 +1,7 @@
 #ifndef _SWAYBAR_I3BAR_H
 #define _SWAYBAR_I3BAR_H
 
-#include "bar.h"
+#include "input.h"
 #include "status_line.h"
 
 struct i3bar_block {
@@ -28,7 +28,5 @@ void i3bar_block_unref(struct i3bar_block *block);
 bool i3bar_handle_readable(struct status_line *status);
 enum hotspot_event_handling i3bar_block_send_click(struct status_line *status,
                 struct i3bar_block *block, int x, int y, enum x11_button button);
-enum x11_button wl_button_to_x11_button(uint32_t button);
-enum x11_button wl_axis_to_x11_button(uint32_t axis, wl_fixed_t value);
 
 #endif
diff --git a/include/swaybar/input.h b/include/swaybar/input.h
new file mode 100644
index 00000000..a552e7ac
--- /dev/null
+++ b/include/swaybar/input.h
@@ -0,0 +1,49 @@
+#ifndef _SWAYBAR_INPUT_H
+#define _SWAYBAR_INPUT_H
+
+#include <wayland-client.h>
+#include "list.h"
+
+struct swaybar_output;
+
+struct swaybar_pointer {
+        struct wl_pointer *pointer;
+        struct wl_cursor_theme *cursor_theme;
+        struct wl_cursor_image *cursor_image;
+        struct wl_surface *cursor_surface;
+        struct swaybar_output *current;
+        int x, y;
+};
+
+enum x11_button {
+        NONE,
+        LEFT,
+        MIDDLE,
+        RIGHT,
+        SCROLL_UP,
+        SCROLL_DOWN,
+        SCROLL_LEFT,
+        SCROLL_RIGHT,
+        BACK,
+        FORWARD,
+};
+
+enum hotspot_event_handling {
+        HOTSPOT_IGNORE,
+        HOTSPOT_PROCESS,
+};
+
+struct swaybar_hotspot {
+        struct wl_list link; // swaybar_output::hotspots
+        int x, y, width, height;
+        enum hotspot_event_handling (*callback)(struct swaybar_output *output,
+                        int x, int y, enum x11_button button, void *data);
+        void (*destroy)(void *data);
+        void *data;
+};
+
+extern const struct wl_seat_listener seat_listener;
+
+void free_hotspots(struct wl_list *list);
+
+#endif
diff --git a/swaybar/bar.c b/swaybar/bar.c
index 0deba72d..5e9767b2 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -11,14 +11,10 @@
 #include <wayland-client.h>
 #include <wayland-cursor.h>
 #include <wlr/util/log.h>
-#ifdef __FreeBSD__
-#include <dev/evdev/input-event-codes.h>
-#else
-#include <linux/input-event-codes.h>
-#endif
 #include "swaybar/bar.h"
 #include "swaybar/config.h"
 #include "swaybar/i3bar.h"
+#include "swaybar/input.h"
 #include "swaybar/ipc.h"
 #include "swaybar/status_line.h"
 #include "swaybar/render.h"
@@ -36,17 +32,6 @@ static void bar_init(struct swaybar *bar) {
         wl_list_init(&bar->outputs);
 }
 
-void free_hotspots(struct wl_list *list) {
-        struct swaybar_hotspot *hotspot, *tmp;
-        wl_list_for_each_safe(hotspot, tmp, list, link) {
-                wl_list_remove(&hotspot->link);
-                if (hotspot->destroy) {
-                        hotspot->destroy(hotspot->data);
-                }
-                free(hotspot);
-        }
-}
-
 void free_workspaces(struct wl_list *list) {
         struct swaybar_workspace *ws, *tmp;
         wl_list_for_each_safe(ws, tmp, list, link) {
@@ -107,237 +92,6 @@ struct zwlr_layer_surface_v1_listener layer_surface_listener = {
         .closed = layer_surface_closed,
 };
 
-static void wl_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) {
-        struct swaybar *bar = data;
-        struct swaybar_pointer *pointer = &bar->pointer;
-        struct swaybar_output *output;
-        wl_list_for_each(output, &bar->outputs, link) {
-                if (output->surface == surface) {
-                        pointer->current = output;
-                        break;
-                }
-        }
-        int max_scale = 1;
-        struct swaybar_output *_output;
-        wl_list_for_each(_output, &bar->outputs, link) {
-                if (_output->scale > max_scale) {
-                        max_scale = _output->scale;
-                }
-        }
-        wl_surface_set_buffer_scale(pointer->cursor_surface, max_scale);
-        wl_surface_attach(pointer->cursor_surface,
-                        wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
-        wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface,
-                        pointer->cursor_image->hotspot_x / max_scale,
-                        pointer->cursor_image->hotspot_y / max_scale);
-        wl_surface_commit(pointer->cursor_surface);
-}
-
-static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
-                uint32_t serial, struct wl_surface *surface) {
-        struct swaybar *bar = data;
-        bar->pointer.current = NULL;
-}
-
-static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
-                uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
-        struct swaybar *bar = data;
-        bar->pointer.x = wl_fixed_to_int(surface_x);
-        bar->pointer.y = wl_fixed_to_int(surface_y);
-}
-
-static bool check_bindings(struct swaybar *bar, uint32_t x11_button,
-                uint32_t state) {
-        bool released = state == WL_POINTER_BUTTON_STATE_RELEASED;
-        for (int i = 0; i < bar->config->bindings->length; i++) {
-                struct swaybar_binding *binding = bar->config->bindings->items[i];
-                if (binding->button == x11_button && binding->release == released) {
-                        ipc_execute_binding(bar, binding);
-                        return true;
-                }
-        }
-        return false;
-}
-
-static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
-                uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
-        struct swaybar *bar = data;
-        struct swaybar_pointer *pointer = &bar->pointer;
-        struct swaybar_output *output = pointer->current;
-        if (!sway_assert(output, "button with no active output")) {
-                return;
-        }
-
-        if (check_bindings(bar, wl_button_to_x11_button(button), state)) {
-                return;
-        }
-
-        if (state != WL_POINTER_BUTTON_STATE_PRESSED) {
-                return;
-        }
-        struct swaybar_hotspot *hotspot;
-        wl_list_for_each(hotspot, &output->hotspots, link) {
-                double x = pointer->x * output->scale;
-                double y = pointer->y * output->scale;
-                if (x >= hotspot->x
-                                && y >= hotspot->y
-                                && x < hotspot->x + hotspot->width
-                                && y < hotspot->y + hotspot->height) {
-                        if (HOTSPOT_IGNORE == hotspot->callback(output, pointer->x, pointer->y,
-                                        wl_button_to_x11_button(button), hotspot->data)) {
-                                return;
-                        }
-                }
-        }
-}
-
-static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
-                uint32_t time, uint32_t axis, wl_fixed_t value) {
-        struct swaybar *bar = data;
-        struct swaybar_pointer *pointer = &bar->pointer;
-        struct swaybar_output *output = bar->pointer.current;
-        if (!sway_assert(output, "axis with no active output")) {
-                return;
-        }
-
-        // If there is a button press binding, execute it, skip default behavior,
-        // and check button release bindings
-        if (check_bindings(bar, wl_axis_to_x11_button(axis, value),
-                        WL_POINTER_BUTTON_STATE_PRESSED)) {
-                check_bindings(bar, wl_axis_to_x11_button(axis, value),
-                                WL_POINTER_BUTTON_STATE_RELEASED);
-                return;
-        }
-
-        struct swaybar_hotspot *hotspot;
-        wl_list_for_each(hotspot, &output->hotspots, link) {
-                double x = pointer->x * output->scale;
-                double y = pointer->y * output->scale;
-                if (x >= hotspot->x
-                                && y >= hotspot->y
-                                && x < hotspot->x + hotspot->width
-                                && y < hotspot->y + hotspot->height) {
-                        if (HOTSPOT_IGNORE == hotspot->callback(
-                                        output, pointer->x, pointer->y,
-                                        wl_axis_to_x11_button(axis, value), hotspot->data)) {
-                                return;
-                        }
-                }
-        }
-
-        double amt = wl_fixed_to_double(value);
-        if (amt == 0.0) {
-                return;
-        }
-
-        // last doesn't actually need initialization,
-        // but gcc (7.3.1) is too dumb to figure it out
-        struct swaybar_workspace *first = NULL;
-        struct swaybar_workspace *active = NULL;
-        struct swaybar_workspace *last = NULL;
-
-        struct swaybar_workspace *iter;
-        wl_list_for_each(iter, &output->workspaces, link) {
-                if (!first) {
-                        first = iter;
-                }
-
-                if (iter->visible) {
-                        active = iter;
-                }
-
-                last = iter;
-        }
-
-        if (!sway_assert(active, "axis with null workspace")) {
-                return;
-        }
-
-        struct swaybar_workspace *new;
-
-        if (amt > 0.0) {
-                if (active == first) {
-                        if (!bar->config->wrap_scroll) {
-                                return;
-                        }
-                        new = last;
-                }
-
-                new = wl_container_of(active->link.prev, new, link);
-        } else {
-                if (active == last) {
-                        if (!bar->config->wrap_scroll) {
-                                return;
-                        }
-                        new = first;
-                }
-
-                new = wl_container_of(active->link.next, new, link);
-        }
-
-        ipc_send_workspace_command(bar, new->name);
-
-        // Check button release bindings
-        check_bindings(bar, wl_axis_to_x11_button(axis, value),
-                        WL_POINTER_BUTTON_STATE_RELEASED);
-}
-
-static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
-        // Who cares
-}
-
-static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
-                uint32_t axis_source) {
-        // Who cares
-}
-
-static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
-                uint32_t time, uint32_t axis) {
-        // Who cares
-}
-
-static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
-                uint32_t axis, int32_t discrete) {
-        // Who cares
-}
-
-struct wl_pointer_listener pointer_listener = {
-        .enter = wl_pointer_enter,
-        .leave = wl_pointer_leave,
-        .motion = wl_pointer_motion,
-        .button = wl_pointer_button,
-        .axis = wl_pointer_axis,
-        .frame = wl_pointer_frame,
-        .axis_source = wl_pointer_axis_source,
-        .axis_stop = wl_pointer_axis_stop,
-        .axis_discrete = wl_pointer_axis_discrete,
-};
-
-static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
-                enum wl_seat_capability caps) {
-        struct swaybar *bar = data;
-        if (bar->pointer.pointer != NULL) {
-                wl_pointer_release(bar->pointer.pointer);
-                bar->pointer.pointer = NULL;
-        }
-        if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
-                bar->pointer.pointer = wl_seat_get_pointer(wl_seat);
-                wl_pointer_add_listener(bar->pointer.pointer, &pointer_listener, bar);
-        }
-}
-
-static void seat_handle_name(void *data, struct wl_seat *wl_seat,
-                const char *name) {
-        // Who cares
-}
-
-const struct wl_seat_listener seat_listener = {
-        .capabilities = seat_handle_capabilities,
-        .name = seat_handle_name,
-};
-
 static void add_layer_surface(struct swaybar_output *output) {
         if (output->layer_surface) {
                 return;
diff --git a/swaybar/i3bar.c b/swaybar/i3bar.c
index 1d754808..3ea74e13 100644
--- a/swaybar/i3bar.c
+++ b/swaybar/i3bar.c
@@ -9,6 +9,7 @@
 #include "swaybar/bar.h"
 #include "swaybar/config.h"
 #include "swaybar/i3bar.h"
+#include "swaybar/input.h"
 #include "swaybar/status_line.h"
 
 void i3bar_block_unref(struct i3bar_block *block) {
@@ -284,32 +285,3 @@ enum hotspot_event_handling i3bar_block_send_click(struct status_line *status,
         json_object_put(event_json);
         return HOTSPOT_IGNORE;
 }
-
-enum x11_button wl_button_to_x11_button(uint32_t button) {
-        switch (button) {
-        case BTN_LEFT:
-                return LEFT;
-        case BTN_MIDDLE:
-                return MIDDLE;
-        case BTN_RIGHT:
-                return RIGHT;
-        case BTN_SIDE:
-                return BACK;
-        case BTN_EXTRA:
-                return FORWARD;
-        default:
-                return NONE;
-        }
-}
-
-enum x11_button wl_axis_to_x11_button(uint32_t axis, wl_fixed_t value) {
-        switch (axis) {
-        case WL_POINTER_AXIS_VERTICAL_SCROLL:
-                return wl_fixed_to_double(value) < 0 ? SCROLL_UP : SCROLL_DOWN;
-        case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
-                return wl_fixed_to_double(value) < 0 ? SCROLL_LEFT : SCROLL_RIGHT;
-        default:
-                wlr_log(WLR_DEBUG, "Unexpected axis value on mouse scroll");
-                return NONE;
-        }
-}
diff --git a/swaybar/input.c b/swaybar/input.c
new file mode 100644
index 00000000..31137f44
--- /dev/null
+++ b/swaybar/input.c
@@ -0,0 +1,286 @@
+#include <assert.h>
+#ifdef __FreeBSD__
+#include <dev/evdev/input-event-codes.h>
+#else
+#include <linux/input-event-codes.h>
+#endif
+#include <wayland-client.h>
+#include <wayland-cursor.h>
+#include <wlr/util/log.h>
+#include "list.h"
+#include "log.h"
+#include "swaybar/bar.h"
+#include "swaybar/config.h"
+#include "swaybar/input.h"
+#include "swaybar/ipc.h"
+
+void free_hotspots(struct wl_list *list) {
+        struct swaybar_hotspot *hotspot, *tmp;
+        wl_list_for_each_safe(hotspot, tmp, list, link) {
+                wl_list_remove(&hotspot->link);
+                if (hotspot->destroy) {
+                        hotspot->destroy(hotspot->data);
+                }
+                free(hotspot);
+        }
+}
+
+static enum x11_button wl_button_to_x11_button(uint32_t button) {
+        switch (button) {
+        case BTN_LEFT:
+                return LEFT;
+        case BTN_MIDDLE:
+                return MIDDLE;
+        case BTN_RIGHT:
+                return RIGHT;
+        case BTN_SIDE:
+                return BACK;
+        case BTN_EXTRA:
+                return FORWARD;
+        default:
+                return NONE;
+        }
+}
+
+static enum x11_button wl_axis_to_x11_button(uint32_t axis, wl_fixed_t value) {
+        switch (axis) {
+        case WL_POINTER_AXIS_VERTICAL_SCROLL:
+                return wl_fixed_to_double(value) < 0 ? SCROLL_UP : SCROLL_DOWN;
+        case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
+                return wl_fixed_to_double(value) < 0 ? SCROLL_LEFT : SCROLL_RIGHT;
+        default:
+                wlr_log(WLR_DEBUG, "Unexpected axis value on mouse scroll");
+                return NONE;
+        }
+}
+
+static void wl_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) {
+        struct swaybar *bar = data;
+        struct swaybar_pointer *pointer = &bar->pointer;
+        struct swaybar_output *output;
+        wl_list_for_each(output, &bar->outputs, link) {
+                if (output->surface == surface) {
+                        pointer->current = output;
+                        break;
+                }
+        }
+        int max_scale = 1;
+        struct swaybar_output *_output;
+        wl_list_for_each(_output, &bar->outputs, link) {
+                if (_output->scale > max_scale) {
+                        max_scale = _output->scale;
+                }
+        }
+        wl_surface_set_buffer_scale(pointer->cursor_surface, max_scale);
+        wl_surface_attach(pointer->cursor_surface,
+                        wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
+        wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface,
+                        pointer->cursor_image->hotspot_x / max_scale,
+                        pointer->cursor_image->hotspot_y / max_scale);
+        wl_surface_commit(pointer->cursor_surface);
+}
+
+static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
+                uint32_t serial, struct wl_surface *surface) {
+        struct swaybar *bar = data;
+        bar->pointer.current = NULL;
+}
+
+static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
+                uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
+        struct swaybar *bar = data;
+        bar->pointer.x = wl_fixed_to_int(surface_x);
+        bar->pointer.y = wl_fixed_to_int(surface_y);
+}
+
+static bool check_bindings(struct swaybar *bar, uint32_t x11_button,
+                uint32_t state) {
+        bool released = state == WL_POINTER_BUTTON_STATE_RELEASED;
+        for (int i = 0; i < bar->config->bindings->length; i++) {
+                struct swaybar_binding *binding = bar->config->bindings->items[i];
+                if (binding->button == x11_button && binding->release == released) {
+                        ipc_execute_binding(bar, binding);
+                        return true;
+                }
+        }
+        return false;
+}
+
+static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
+                uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
+        struct swaybar *bar = data;
+        struct swaybar_pointer *pointer = &bar->pointer;
+        struct swaybar_output *output = pointer->current;
+        if (!sway_assert(output, "button with no active output")) {
+                return;
+        }
+
+        if (check_bindings(bar, wl_button_to_x11_button(button), state)) {
+                return;
+        }
+
+        if (state != WL_POINTER_BUTTON_STATE_PRESSED) {
+                return;
+        }
+        struct swaybar_hotspot *hotspot;
+        wl_list_for_each(hotspot, &output->hotspots, link) {
+                double x = pointer->x * output->scale;
+                double y = pointer->y * output->scale;
+                if (x >= hotspot->x
+                                && y >= hotspot->y
+                                && x < hotspot->x + hotspot->width
+                                && y < hotspot->y + hotspot->height) {
+                        if (HOTSPOT_IGNORE == hotspot->callback(output, pointer->x, pointer->y,
+                                        wl_button_to_x11_button(button), hotspot->data)) {
+                                return;
+                        }
+                }
+        }
+}
+
+static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
+                uint32_t time, uint32_t axis, wl_fixed_t value) {
+        struct swaybar *bar = data;
+        struct swaybar_pointer *pointer = &bar->pointer;
+        struct swaybar_output *output = pointer->current;
+        if (!sway_assert(output, "axis with no active output")) {
+                return;
+        }
+
+        // If there is a button press binding, execute it, skip default behavior,
+        // and check button release bindings
+        if (check_bindings(bar, wl_axis_to_x11_button(axis, value),
+                        WL_POINTER_BUTTON_STATE_PRESSED)) {
+                check_bindings(bar, wl_axis_to_x11_button(axis, value),
+                                WL_POINTER_BUTTON_STATE_RELEASED);
+                return;
+        }
+
+        struct swaybar_hotspot *hotspot;
+        wl_list_for_each(hotspot, &output->hotspots, link) {
+                double x = pointer->x * output->scale;
+                double y = pointer->y * output->scale;
+                if (x >= hotspot->x
+                                && y >= hotspot->y
+                                && x < hotspot->x + hotspot->width
+                                && y < hotspot->y + hotspot->height) {
+                        if (HOTSPOT_IGNORE == hotspot->callback(
+                                        output, pointer->x, pointer->y,
+                                        wl_axis_to_x11_button(axis, value), hotspot->data)) {
+                                return;
+                        }
+                }
+        }
+
+        double amt = wl_fixed_to_double(value);
+        if (amt == 0.0) {
+                return;
+        }
+
+        // last doesn't actually need initialization,
+        // but gcc (7.3.1) is too dumb to figure it out
+        struct swaybar_workspace *first = NULL;
+        struct swaybar_workspace *active = NULL;
+        struct swaybar_workspace *last = NULL;
+
+        struct swaybar_workspace *iter;
+        wl_list_for_each(iter, &output->workspaces, link) {
+                if (!first) {
+                        first = iter;
+                }
+
+                if (iter->visible) {
+                        active = iter;
+                }
+
+                last = iter;
+        }
+
+        if (!sway_assert(active, "axis with null workspace")) {
+                return;
+        }
+
+        struct swaybar_workspace *new;
+
+        if (amt > 0.0) {
+                if (active == first) {
+                        if (!bar->config->wrap_scroll) {
+                                return;
+                        }
+                        new = last;
+                }
+
+                new = wl_container_of(active->link.prev, new, link);
+        } else {
+                if (active == last) {
+                        if (!bar->config->wrap_scroll) {
+                                return;
+                        }
+                        new = first;
+                }
+
+                new = wl_container_of(active->link.next, new, link);
+        }
+
+        ipc_send_workspace_command(bar, new->name);
+
+        // Check button release bindings
+        check_bindings(bar, wl_axis_to_x11_button(axis, value),
+                        WL_POINTER_BUTTON_STATE_RELEASED);
+}
+
+static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
+        // Who cares
+}
+
+static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
+                uint32_t axis_source) {
+        // Who cares
+}
+
+static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
+                uint32_t time, uint32_t axis) {
+        // Who cares
+}
+
+static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
+                uint32_t axis, int32_t discrete) {
+        // Who cares
+}
+
+struct wl_pointer_listener pointer_listener = {
+        .enter = wl_pointer_enter,
+        .leave = wl_pointer_leave,
+        .motion = wl_pointer_motion,
+        .button = wl_pointer_button,
+        .axis = wl_pointer_axis,
+        .frame = wl_pointer_frame,
+        .axis_source = wl_pointer_axis_source,
+        .axis_stop = wl_pointer_axis_stop,
+        .axis_discrete = wl_pointer_axis_discrete,
+};
+
+static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
+                enum wl_seat_capability caps) {
+        struct swaybar *bar = data;
+        if (bar->pointer.pointer != NULL) {
+                wl_pointer_release(bar->pointer.pointer);
+                bar->pointer.pointer = NULL;
+        }
+        if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
+                bar->pointer.pointer = wl_seat_get_pointer(wl_seat);
+                wl_pointer_add_listener(bar->pointer.pointer, &pointer_listener, bar);
+        }
+}
+
+static void seat_handle_name(void *data, struct wl_seat *wl_seat,
+                const char *name) {
+        // Who cares
+}
+
+const struct wl_seat_listener seat_listener = {
+        .capabilities = seat_handle_capabilities,
+        .name = seat_handle_name,
+};
diff --git a/swaybar/meson.build b/swaybar/meson.build
index 0c116172..c27cf2c2 100644
--- a/swaybar/meson.build
+++ b/swaybar/meson.build
@@ -3,6 +3,7 @@ executable(
                 'bar.c',
                 'config.c',
                 'i3bar.c',
+                'input.c',
                 'ipc.c',
                 'main.c',
                 'render.c',