Merge pull request #65 from tiosgz/map-pointer-output

include/input/input.h

@@ -12,6 +12,7 @@
 
 struct kiwmi_input {
     struct wl_list keyboards; // struct kiwmi_keyboard::link
+    struct wl_list pointers;  // struct kiwmi_pointer::link
     struct wl_listener new_input;
     struct kiwmi_cursor *cursor;
     struct kiwmi_seat *seat;

include/input/pointer.h

@@ -0,0 +1,27 @@
+/* Copyright (c), Niclas Meyer <niclas@countingsort.com>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef KIWMI_INPUT_POINTER_H
+#define KIWMI_INPUT_POINTER_H
+
+#include <wayland-server.h>
+#include <wlr/types/wlr_input_device.h>
+
+#include "server.h"
+
+struct kiwmi_pointer {
+    struct wlr_input_device *device;
+    struct wl_list link;
+
+    struct wl_listener device_destroy;
+};
+
+struct kiwmi_pointer *
+pointer_create(struct kiwmi_server *server, struct wlr_input_device *device);
+void pointer_destroy(struct kiwmi_pointer *pointer);
+
+#endif /* KIWMI_INPUT_POINTER_H */

kiwmi/desktop/output.c

@@ -27,6 +27,7 @@
 #include "desktop/view.h"
 #include "input/cursor.h"
 #include "input/input.h"
+#include "input/pointer.h"
 #include "server.h"
 
 static void
@@ -351,9 +352,17 @@ new_output_notify(struct wl_listener *listener, void *data)
     wlr_output->data = output;
 
     struct kiwmi_cursor *cursor = server->input.cursor;
-
     wlr_xcursor_manager_load(cursor->xcursor_manager, wlr_output->scale);
 
+    struct kiwmi_pointer *pointer;
+    wl_list_for_each (pointer, &server->input.pointers, link) {
+        if (pointer->device->output_name
+            && strcmp(pointer->device->output_name, wlr_output->name) == 0) {
+            wlr_cursor_map_input_to_output(
+                cursor->cursor, pointer->device, wlr_output);
+        }
+    }
+
     wl_list_insert(&desktop->outputs, &output->link);
 
     wlr_output_layout_add_auto(desktop->output_layout, wlr_output);

kiwmi/input/input.c

@@ -19,13 +19,21 @@
 #include "desktop/desktop.h"
 #include "input/cursor.h"
 #include "input/keyboard.h"
+#include "input/pointer.h"
 #include "input/seat.h"
 #include "server.h"
 
 static void
 new_pointer(struct kiwmi_input *input, struct wlr_input_device *device)
 {
-    wlr_cursor_attach_input_device(input->cursor->cursor, device);
+    struct kiwmi_server *server = wl_container_of(input, server, input);
+
+    struct kiwmi_pointer *pointer = pointer_create(server, device);
+    if (!pointer) {
+        return;
+    }
+
+    wl_list_insert(&input->pointers, &pointer->link);
 }
 
 static void
@@ -86,6 +94,7 @@ input_init(struct kiwmi_input *input)
     }
 
     wl_list_init(&input->keyboards);
+    wl_list_init(&input->pointers);
 
     input->new_input.notify = new_input_notify;
     wl_signal_add(&server->backend->events.new_input, &input->new_input);
@@ -99,11 +108,17 @@ void
 input_fini(struct kiwmi_input *input)
 {
     struct kiwmi_keyboard *keyboard;
-    struct kiwmi_keyboard *tmp;
-    wl_list_for_each_safe (keyboard, tmp, &input->keyboards, link) {
+    struct kiwmi_keyboard *tmp_keyboard;
+    wl_list_for_each_safe (keyboard, tmp_keyboard, &input->keyboards, link) {
         keyboard_destroy(keyboard);
     }
 
+    struct kiwmi_pointer *pointer;
+    struct kiwmi_pointer *tmp_pointer;
+    wl_list_for_each_safe (pointer, tmp_pointer, &input->pointers, link) {
+        pointer_destroy(pointer);
+    }
+
     seat_destroy(input->seat);
 
     cursor_destroy(input->cursor);

kiwmi/input/pointer.c

@@ -0,0 +1,67 @@
+/* Copyright (c), Niclas Meyer <niclas@countingsort.com>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include "input/pointer.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <wayland-server.h>
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_input_device.h>
+
+#include "desktop/output.h"
+#include "input/cursor.h"
+#include "input/input.h"
+#include "server.h"
+
+static void
+pointer_destroy_notify(struct wl_listener *listener, void *UNUSED(data))
+{
+    struct kiwmi_pointer *pointer =
+        wl_container_of(listener, pointer, device_destroy);
+
+    pointer_destroy(pointer);
+}
+
+struct kiwmi_pointer *
+pointer_create(struct kiwmi_server *server, struct wlr_input_device *device)
+{
+    wlr_cursor_attach_input_device(server->input.cursor->cursor, device);
+
+    struct kiwmi_pointer *pointer = malloc(sizeof(*pointer));
+    if (!pointer) {
+        return NULL;
+    }
+
+    pointer->device = device;
+
+    pointer->device_destroy.notify = pointer_destroy_notify;
+    wl_signal_add(&device->events.destroy, &pointer->device_destroy);
+
+    if (device->output_name) {
+        struct kiwmi_output *output;
+        wl_list_for_each (output, &server->desktop.outputs, link) {
+            if (strcmp(device->output_name, output->wlr_output->name) == 0) {
+                wlr_cursor_map_input_to_output(
+                    server->input.cursor->cursor, device, output->wlr_output);
+                break;
+            }
+        }
+    }
+
+    return pointer;
+}
+
+void
+pointer_destroy(struct kiwmi_pointer *pointer)
+{
+    wl_list_remove(&pointer->device_destroy.link);
+    wl_list_remove(&pointer->link);
+
+    free(pointer);
+}

kiwmi/meson.build

@@ -10,6 +10,7 @@ kiwmi_sources = files(
   'input/cursor.c',
   'input/input.c',
   'input/keyboard.c',
+  'input/pointer.c',
   'input/seat.c',
   'luak/ipc.c',
   'luak/kiwmi_cursor.c',