wlroots: add basic support for zwp_input_method_v2

Implemented basic input method functionality. Not included: popups, grabbing.

2 files changed, 89 insertions, 1 deletions

diff --git a/include/wlr/types/meson.build b/include/wlr/types/meson.build
index e8de124a..7bc2b50f 100644
--- a/include/wlr/types/meson.build
+++ b/include/wlr/types/meson.build
@@ -11,6 +11,7 @@ install_headers(
 	'wlr_idle_inhibit_v1.h',
 	'wlr_input_device.h',
 	'wlr_input_inhibitor.h',
+	'wlr_input_method_v2.h',
 	'wlr_keyboard.h',
 	'wlr_layer_shell_v1.h',
 	'wlr_linux_dmabuf_v1.h',
@@ -30,7 +31,7 @@ install_headers(
 	'wlr_tablet_pad.h',
 	'wlr_tablet_tool.h',
 	'wlr_tablet_v2.h',
-    'wlr_text_input_v3.h',
+	'wlr_text_input_v3.h',
 	'wlr_touch.h',
 	'wlr_virtual_keyboard_v1.h',
 	'wlr_wl_shell.h',
diff --git a/include/wlr/types/wlr_input_method_v2.h b/include/wlr/types/wlr_input_method_v2.h
new file mode 100644
index 00000000..823088b7
--- /dev/null
+++ b/include/wlr/types/wlr_input_method_v2.h
@@ -0,0 +1,87 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_INPUT_METHOD_V1_H
+#define WLR_TYPES_WLR_INPUT_METHOD_V1_H
+#include <stdint.h>
+#include <stdlib.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_seat.h>
+
+struct wlr_input_method_v2_preedit_string {
+	char *text;
+	int32_t cursor_begin;
+	int32_t cursor_end;
+};
+
+struct wlr_input_method_v2_delete_surrounding_text {
+	uint32_t before_length;
+	uint32_t after_length;
+};
+
+struct wlr_input_method_v2_state {
+	struct wlr_input_method_v2_preedit_string preedit;
+	char *commit_text;
+	struct wlr_input_method_v2_delete_surrounding_text delete;
+};
+
+struct wlr_input_method_v2 {
+	struct wl_resource *resource;
+
+	struct wlr_seat *seat;
+
+	struct wlr_input_method_v2_state pending;
+	struct wlr_input_method_v2_state current;
+	bool active; // pending compositor-side state
+	bool client_active; // state known to the client
+	uint32_t current_serial; // received in last commit call
+
+	struct wl_list link;
+
+	struct wl_listener seat_destroy;
+
+	struct {
+		struct wl_signal commit; // (struct wlr_input_method_v2*)
+		struct wl_signal destroy; // (struct wlr_input_method_v2*)
+	} events;
+};
+
+struct wlr_input_method_manager_v2 {
+	struct wl_global *global;
+	struct wl_list bound_resources; // struct wl_resource*::link
+	struct wl_list input_methods; // struct wlr_input_method_v2*::link
+
+	struct wl_listener display_destroy;
+
+	struct {
+		struct wl_signal input_method; // (struct wlr_input_method_v2*)
+		struct wl_signal destroy; // (struct wlr_input_method_manager_v2*)
+	} events;
+};
+
+struct wlr_input_method_manager_v2 *wlr_input_method_manager_v2_create(
+	struct wl_display *display);
+void wlr_input_method_manager_v2_destroy(
+	struct wlr_input_method_manager_v2 *manager);
+
+void wlr_input_method_v2_send_activate(
+	struct wlr_input_method_v2 *input_method);
+void wlr_input_method_v2_send_deactivate(
+	struct wlr_input_method_v2 *input_method);
+void wlr_input_method_v2_send_surrounding_text(
+	struct wlr_input_method_v2 *input_method, const char *text,
+	uint32_t cursor, uint32_t anchor);
+void wlr_input_method_v2_send_content_type(
+	struct wlr_input_method_v2 *input_method, uint32_t hint,
+	uint32_t purpose);
+void wlr_input_method_v2_send_text_change_cause(
+	struct wlr_input_method_v2 *input_method, uint32_t cause);
+void wlr_input_method_v2_send_done(struct wlr_input_method_v2 *input_method);
+void wlr_input_method_v2_send_unavailable(
+	struct wlr_input_method_v2 *input_method);
+#endif