Implement mouse warping

5 files changed, 39 insertions, 4 deletions

diff --git a/sway/commands.c b/sway/commands.c
index eee7f254..d983dcbb 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -101,6 +101,7 @@ static struct cmd_handler handlers[] = {
         { "include", cmd_include },
         { "input", cmd_input },
         { "mode", cmd_mode },
+        { "mouse_warping", cmd_mouse_warping },
         { "output", cmd_output },
         { "seat", cmd_seat },
         { "workspace", cmd_workspace },
diff --git a/sway/commands/mouse_warping.c b/sway/commands/mouse_warping.c
new file mode 100644
index 00000000..eef32ce7
--- /dev/null
+++ b/sway/commands/mouse_warping.c
@@ -0,0 +1,19 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+
+struct cmd_results *cmd_mouse_warping(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, "mouse_warping", EXPECTED_EQUAL_TO, 1))) {
+                return error;
+        } else if (strcasecmp(argv[0], "output") == 0) {
+                config->mouse_warping = true;
+        } else if (strcasecmp(argv[0], "none") == 0) {
+                config->mouse_warping = false;
+        } else {
+                return cmd_results_new(CMD_FAILURE, "mouse_warping",
+                                "Expected 'mouse_warping output|none'");
+        }
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index 74af6426..9cdd66d8 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -156,8 +156,8 @@ static void handle_cursor_motion(struct wl_listener *listener, void *data) {
         cursor_send_pointer_motion(cursor, event->time_msec);
 }
 
-static void handle_cursor_motion_absolute(struct wl_listener *listener,
-                void *data) {
+static void handle_cursor_motion_absolute(
+                struct wl_listener *listener, void *data) {
         struct sway_cursor *cursor =
                 wl_container_of(listener, cursor, motion_absolute);
         struct wlr_event_pointer_motion_absolute *event = data;
diff --git a/sway/input/seat.c b/sway/input/seat.c
index 8d592872..eab5cf40 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -333,15 +333,29 @@ void sway_seat_set_focus(struct sway_seat *seat,
         if (last_focus) {
                 struct sway_container *last_ws = last_focus;
                 if (last_ws && last_ws->type != C_WORKSPACE) {
-                        last_ws = container_parent(last_focus, C_WORKSPACE);
+                        last_ws = container_parent(last_ws, C_WORKSPACE);
                 }
                 if (last_ws) {
-                        wlr_log(L_DEBUG, "sending workspace event");
                         ipc_event_workspace(last_ws, container, "focus");
                         if (last_ws->children->length == 0) {
                                 container_workspace_destroy(last_ws);
                         }
                 }
+                struct sway_container *last_output = last_focus;
+                if (last_output && last_output->type != C_OUTPUT) {
+                        last_output = container_parent(last_output, C_OUTPUT);
+                }
+                struct sway_container *new_output = container;
+                if (new_output && new_output->type != C_OUTPUT) {
+                        new_output = container_parent(new_output, C_OUTPUT);
+                }
+                if (new_output != last_output && config->mouse_warping) {
+                        struct wlr_output *output = new_output->sway_output->wlr_output;
+                        // TODO: Change container coords to layout coords
+                        double x = container->x + output->lx + container->width / 2.0;
+                        double y = container->y + output->ly + container->height / 2.0;
+                        wlr_cursor_warp(seat->cursor->cursor, NULL, x, y);
+                }
         }
 
         if (last_focus && last_focus->type == C_VIEW &&
diff --git a/sway/meson.build b/sway/meson.build
index e8a192f0..5bc57964 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -63,6 +63,7 @@ sway_sources = files(
         'commands/input/xkb_options.c',
         'commands/input/xkb_rules.c',
         'commands/input/xkb_variant.c',
+        'commands/mouse_warping.c',
         'commands/output.c',
         'commands/reload.c',
         'commands/workspace.c',