ibus: support modern client preedit

2026-08-14 19:59:52 +09:00
parent a841894015
commit 7619d2bd9d
6 changed files with 557 additions and 47 deletions
--- a/tests/ibus_client_smoke.c
+++ b/tests/ibus_client_smoke.c
@@ -0,0 +1,154 @@
+#define _POSIX_C_SOURCE 200809L
+#include <ibus.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct Log Log;
+struct Log
+{
+	GMainLoop	*loop;
+	int	want;
+	int	legacy;
+	int	modern;
+	int	invalid;
+	int	sawtext;
+	int	sawempty;
+};
+
+static void
+legacy(IBusInputContext *ctx, IBusText *text, guint cursor,
+	gboolean visible, void *arg)
+{
+	Log *log;
+
+	(void)ctx;
+	(void)text;
+	(void)cursor;
+	(void)visible;
+	log = arg;
+	log->legacy++;
+}
+
+static void
+modern(IBusInputContext *ctx, IBusText *text, guint cursor,
+	gboolean visible, guint mode, void *arg)
+{
+	IBusAttrList *attrs;
+	IBusAttribute *a;
+	Log *log;
+	const char *s;
+
+	(void)ctx;
+	log = arg;
+	log->modern++;
+	s = ibus_text_get_text(text);
+	attrs = ibus_text_get_attributes(text);
+	a = ibus_attr_list_get(attrs, 0);
+	if(s[0] != '\0'){
+		if(strcmp(s, "k") != 0 || cursor != 1 || !visible ||
+		   mode != IBUS_ENGINE_PREEDIT_CLEAR || a == NULL ||
+		   a->type != IBUS_ATTR_TYPE_UNDERLINE ||
+		   a->value != IBUS_ATTR_UNDERLINE_SINGLE ||
+		   a->start_index != 0 || a->end_index != 1 ||
+		   ibus_attr_list_get(attrs, 1) != NULL)
+			log->invalid = 1;
+		else
+			log->sawtext = 1;
+	}else{
+		if(cursor != 0 || visible || mode != IBUS_ENGINE_PREEDIT_CLEAR ||
+		   a != NULL)
+			log->invalid = 1;
+		else
+			log->sawempty = 1;
+	}
+	if(log->loop != NULL && log->modern >= log->want)
+		g_main_loop_quit(log->loop);
+}
+
+static gboolean
+timeout(void *arg)
+{
+	g_main_loop_quit(arg);
+	return G_SOURCE_REMOVE;
+}
+
+static int
+waitmodern(Log *log, int want)
+{
+	guint timer;
+
+	log->want = want;
+	if(log->modern >= want)
+		return 1;
+	log->loop = g_main_loop_new(NULL, FALSE);
+	timer = g_timeout_add_seconds(4, timeout, log->loop);
+	g_main_loop_run(log->loop);
+	if(g_main_context_find_source_by_id(NULL, timer) != NULL)
+		g_source_remove(timer);
+	g_main_loop_unref(log->loop);
+	log->loop = NULL;
+	return log->modern >= want;
+}
+
+int
+main(int argc, char **argv)
+{
+	IBusBus *bus;
+	IBusInputContext *ctx;
+	Log log;
+	int ok;
+
+	if(argc != 2){
+		fprintf(stderr, "usage: ibus_client_smoke address\n");
+		return 2;
+	}
+	if(setenv("IBUS_ADDRESS", argv[1], 1) < 0 ||
+	   unsetenv("DBUS_SESSION_BUS_ADDRESS") < 0 || unsetenv("DISPLAY") < 0){
+		perror("ibus_client_smoke: environment");
+		return 1;
+	}
+	memset(&log, 0, sizeof log);
+	ibus_init();
+	bus = ibus_bus_new();
+	if(bus == NULL || !ibus_bus_is_connected(bus)){
+		fprintf(stderr, "ibus_client_smoke: cannot connect to private bus\n");
+		if(bus != NULL) g_object_unref(bus);
+		return 1;
+	}
+	ctx = ibus_bus_create_input_context(bus, "strans-libibus-smoke");
+	if(ctx == NULL){
+		fprintf(stderr, "ibus_client_smoke: cannot create input context\n");
+		g_object_unref(bus);
+		return 1;
+	}
+	g_signal_connect(ctx, "update-preedit-text", G_CALLBACK(legacy), &log);
+	g_signal_connect(ctx, "update-preedit-text-with-mode", G_CALLBACK(modern),
+		&log);
+	ibus_input_context_set_capabilities(ctx, IBUS_CAP_PREEDIT_TEXT);
+	ibus_input_context_set_client_commit_preedit(ctx, TRUE);
+	ibus_input_context_focus_in(ctx);
+	ok = ibus_input_context_process_key_event(ctx, 'n', 0,
+		IBUS_CONTROL_MASK) && waitmodern(&log, 1) &&
+		ibus_input_context_process_key_event(ctx, 'k', 0, 0) &&
+		waitmodern(&log, 2);
+	ibus_input_context_reset(ctx);
+	if(ok)
+		ok = waitmodern(&log, 3);
+	ibus_input_context_focus_out(ctx);
+	if(ok)
+		ok = waitmodern(&log, 4);
+	if(log.legacy != 0 || log.modern != 4 || log.invalid ||
+	   !log.sawtext || !log.sawempty)
+		ok = 0;
+	g_object_unref(ctx);
+	g_object_unref(bus);
+	if(!ok){
+		fprintf(stderr,
+			"ibus_client_smoke: legacy=%d modern=%d invalid=%d text=%d empty=%d\n",
+			log.legacy, log.modern, log.invalid, log.sawtext, log.sawempty);
+		return 1;
+	}
+	printf("official libibus client preedit: ok\n");
+	return 0;
+}