enhance(frontend): improve usability on touch device

15 files changed, 69 insertions, 17 deletions

diff --git a/locales/index.d.ts b/locales/index.d.ts
index 00d275ee43..7e4892eb39 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5433,6 +5433,14 @@ export interface Locale extends ILocale {
          * タイムラインとノート
          */
         "timelineAndNote": string;
+        /**
+         * 全てのテキスト要素を選択可能にする
+         */
+        "makeEveryTextElementsSelectable": string;
+        /**
+         * 有効にすると、一部のシチュエーションでのユーザビリティが低下する場合があります。
+         */
+        "makeEveryTextElementsSelectable_description": string;
     };
     "_preferencesProfile": {
         /**
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 8e787fa02f..f17c5a1278 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1357,6 +1357,8 @@ _settings:
   appearanceBanner: "好みに応じた、クライアントの見た目・表示方法に関する設定が行えます。"
   soundsBanner: "クライアントで再生するサウンドの設定が行えます。"
   timelineAndNote: "タイムラインとノート"
+  makeEveryTextElementsSelectable: "全てのテキスト要素を選択可能にする"
+  makeEveryTextElementsSelectable_description: "有効にすると、一部のシチュエーションでのユーザビリティが低下する場合があります。"
 
 _preferencesProfile:
   profileName: "プロファイル名"
diff --git a/packages/frontend/src/boot/common.ts b/packages/frontend/src/boot/common.ts
index 73c4256c4b..10bcddbde7 100644
--- a/packages/frontend/src/boot/common.ts
+++ b/packages/frontend/src/boot/common.ts
@@ -234,6 +234,10 @@ export async function common(createVue: () => App<Element>) {
 			});
 	}
 
+	if (prefer.s.makeEveryTextElementsSelectable) {
+		document.documentElement.classList.add('forceSelectableAll');
+	}
+
 	//#region Fetch user
 	if ($i && $i.token) {
 		if (_DEV_) {
diff --git a/packages/frontend/src/components/MkDialog.vue b/packages/frontend/src/components/MkDialog.vue
index 6c9fa3167a..312c7ab58f 100644
--- a/packages/frontend/src/components/MkDialog.vue
+++ b/packages/frontend/src/components/MkDialog.vue
@@ -25,8 +25,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<i v-else-if="type === 'question'" :class="$style.iconInner" class="ti ti-help-circle"></i>
 			<MkLoading v-else-if="type === 'waiting'" :class="$style.iconInner" :em="true"/>
 		</div>
-		<header v-if="title" :class="$style.title"><Mfm :text="title"/></header>
-		<div v-if="text" :class="$style.text"><Mfm :text="text"/></div>
+		<header v-if="title" :class="$style.title" class="_selectable"><Mfm :text="title"/></header>
+		<div v-if="text" :class="$style.text" class="_selectable"><Mfm :text="text"/></div>
 		<MkInput v-if="input" v-model="inputValue" autofocus :type="input.type || 'text'" :placeholder="input.placeholder || undefined" :autocomplete="input.autocomplete" @keydown="onInputKeydown">
 			<template v-if="input.type === 'password'" #prefix><i class="ti ti-lock"></i></template>
 			<template #caption>
diff --git a/packages/frontend/src/components/MkInfo.vue b/packages/frontend/src/components/MkInfo.vue
index 90ca1b5a9d..f114ec8a71 100644
--- a/packages/frontend/src/components/MkInfo.vue
+++ b/packages/frontend/src/components/MkInfo.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div :class="[$style.root, { [$style.warn]: warn }]">
+<div :class="[$style.root, { [$style.warn]: warn }]" class="_selectable">
 	<i v-if="warn" class="ti ti-alert-triangle" :class="$style.i"></i>
 	<i v-else class="ti ti-info-circle" :class="$style.i"></i>
 	<div><slot></slot></div>
diff --git a/packages/frontend/src/components/MkInput.vue b/packages/frontend/src/components/MkInput.vue
index aff9a67020..a66e64311a 100644
--- a/packages/frontend/src/components/MkInput.vue
+++ b/packages/frontend/src/components/MkInput.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
+<div class="_selectable">
 	<div :class="$style.label" @click="focus"><slot name="label"></slot></div>
 	<div :class="[$style.input, { [$style.inline]: inline, [$style.disabled]: disabled, [$style.focused]: focused }]">
 		<div ref="prefixEl" :class="$style.prefix"><slot name="prefix"></slot></div>
@@ -45,13 +45,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { onMounted, onUnmounted, nextTick, ref, shallowRef, watch, computed, toRefs } from 'vue';
-import type { InputHTMLAttributes } from 'vue';
 import { debounce } from 'throttle-debounce';
-import MkButton from '@/components/MkButton.vue';
 import { useInterval } from '@@/js/use-interval.js';
+import type { InputHTMLAttributes } from 'vue';
+import type { SuggestionType } from '@/utility/autocomplete.js';
+import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n.js';
 import { Autocomplete } from '@/utility/autocomplete.js';
-import type { SuggestionType } from '@/utility/autocomplete.js';
 
 const props = defineProps<{
 	modelValue: string | number | null;
diff --git a/packages/frontend/src/components/MkInviteCode.vue b/packages/frontend/src/components/MkInviteCode.vue
index 08eddfc03c..0f53d1573d 100644
--- a/packages/frontend/src/components/MkInviteCode.vue
+++ b/packages/frontend/src/components/MkInviteCode.vue
@@ -22,7 +22,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div :class="$style.items">
 			<div>
 				<div :class="$style.label">{{ i18n.ts.invitationCode }}</div>
-				<div>{{ invite.code }}</div>
+				<div class="_selectableAtomic">{{ invite.code }}</div>
 			</div>
 			<div v-if="moderator">
 				<div :class="$style.label">{{ i18n.ts.inviteCodeCreator }}</div>
diff --git a/packages/frontend/src/components/MkKeyValue.vue b/packages/frontend/src/components/MkKeyValue.vue
index 6a4b298523..275b153e4a 100644
--- a/packages/frontend/src/components/MkKeyValue.vue
+++ b/packages/frontend/src/components/MkKeyValue.vue
@@ -8,7 +8,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<div :class="$style.key">
 		<slot name="key"></slot>
 	</div>
-	<div :class="$style.value">
+	<div :class="$style.value" class="_selectable">
 		<slot name="value"></slot>
 		<button v-if="copy" v-tooltip="i18n.ts.copy" class="_textButton" style="margin-left: 0.5em;" @click="copy_"><i class="ti ti-copy"></i></button>
 	</div>
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index e08f5e6163..1f18b173a0 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -76,12 +76,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 							:emojiUrls="appearNote.emojis"
 							:enableEmojiMenu="true"
 							:enableEmojiMenuReaction="true"
+							class="_selectable"
 						/>
 						<div v-if="translating || translation" :class="$style.translation">
 							<MkLoading v-if="translating" mini/>
 							<div v-else-if="translation">
 								<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-								<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+								<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis" class="_selectable"/>
 							</div>
 						</div>
 					</div>
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index dd8d3567b2..6af8acb2df 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -97,13 +97,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 					:emojiUrls="appearNote.emojis"
 					:enableEmojiMenu="true"
 					:enableEmojiMenuReaction="true"
+					class="_selectable"
 				/>
 				<a v-if="appearNote.renote != null" :class="$style.rn">RN:</a>
 				<div v-if="translating || translation" :class="$style.translation">
 					<MkLoading v-if="translating" mini/>
 					<div v-else-if="translation">
 						<b>{{ i18n.tsx.translatedFrom({ x: translation.sourceLang }) }}: </b>
-						<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis"/>
+						<Mfm :text="translation.text" :author="appearNote.user" :nyaize="'respect'" :emojiUrls="appearNote.emojis" class="_selectable"/>
 					</div>
 				</div>
 				<div v-if="appearNote.files && appearNote.files.length > 0">
diff --git a/packages/frontend/src/components/MkTextarea.vue b/packages/frontend/src/components/MkTextarea.vue
index eb47a8b858..c9da226734 100644
--- a/packages/frontend/src/components/MkTextarea.vue
+++ b/packages/frontend/src/components/MkTextarea.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div>
+<div class="_selectable">
 	<div :class="$style.label" @click="focus"><slot name="label"></slot></div>
 	<div :class="{ [$style.disabled]: disabled, [$style.focused]: focused, [$style.tall]: tall, [$style.pre]: pre }" style="position: relative;">
 		<textarea
@@ -38,10 +38,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { onMounted, onUnmounted, nextTick, ref, watch, computed, toRefs, shallowRef } from 'vue';
 import { debounce } from 'throttle-debounce';
+import type { SuggestionType } from '@/utility/autocomplete.js';
 import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n.js';
 import { Autocomplete } from '@/utility/autocomplete.js';
-import type { SuggestionType } from '@/utility/autocomplete.js';
 
 const props = defineProps<{
 	modelValue: string | null;
diff --git a/packages/frontend/src/pages/settings/accessibility.vue b/packages/frontend/src/pages/settings/accessibility.vue
index f7b1e7d2a0..e8268719f5 100644
--- a/packages/frontend/src/pages/settings/accessibility.vue
+++ b/packages/frontend/src/pages/settings/accessibility.vue
@@ -58,6 +58,15 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</MkSwitch>
 				</MkPreferenceContainer>
 			</SearchMarker>
+
+			<SearchMarker :keywords="['text', 'selectable']">
+				<MkPreferenceContainer k="makeEveryTextElementsSelectable">
+					<MkSwitch v-model="makeEveryTextElementsSelectable">
+						<template #label><SearchLabel>{{ i18n.ts._settings.makeEveryTextElementsSelectable }}</SearchLabel></template>
+						<template #caption>{{ i18n.ts._settings.makeEveryTextElementsSelectable_description }}</template>
+					</MkSwitch>
+				</MkPreferenceContainer>
+			</SearchMarker>
 		</div>
 
 		<SearchMarker :keywords="['menu', 'style', 'popup', 'drawer']">
@@ -122,6 +131,7 @@ const enableHorizontalSwipe = prefer.model('enableHorizontalSwipe');
 const useNativeUiForVideoAudioPlayer = prefer.model('useNativeUiForVideoAudioPlayer');
 const contextMenu = prefer.model('contextMenu');
 const menuStyle = prefer.model('menuStyle');
+const makeEveryTextElementsSelectable = prefer.model('makeEveryTextElementsSelectable');
 
 const fontSize = ref(miLocalStorage.getItem('fontSize'));
 const useSystemFont = ref(miLocalStorage.getItem('useSystemFont') != null);
@@ -147,6 +157,7 @@ watch([
 	contextMenu,
 	fontSize,
 	useSystemFont,
+	makeEveryTextElementsSelectable,
 ], async () => {
 	await reloadAsk({ reason: i18n.ts.reloadToApplySetting, unison: true });
 });
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index e460359acd..048392ef49 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -313,6 +313,9 @@ export const PREF_DEF = {
 	defaultFollowWithReplies: {
 		default: false,
 	},
+	makeEveryTextElementsSelectable: {
+		default: DEFAULT_DEVICE_KIND === 'desktop',
+	},
 	plugins: {
 		default: [] as Plugin[],
 	},
diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index 5308c312bb..43aff3012e 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -81,6 +81,11 @@ html {
 	&.useSystemFont {
 		font-family: system-ui;
 	}
+
+	&:not(.forceSelectableAll) {
+		user-select: none;
+		-webkit-user-select: none;
+	}
 }
 
 html._themeChanging_ {
@@ -120,6 +125,8 @@ a {
 textarea, input {
 	tap-highlight-color: transparent;
 	-webkit-tap-highlight-color: transparent;
+	user-select: text;
+	-webkit-user-select: text;
 }
 
 optgroup, option {
@@ -184,6 +191,16 @@ rt {
 	padding: 0.3em 0.5em;
 }
 
+._selectable {
+	user-select: text;
+	-webkit-user-select: text;
+}
+
+._selectableAtomic {
+	user-select: all;
+	-webkit-user-select: all;
+}
+
 ._noSelect {
 	user-select: none;
 	-webkit-user-select: none;
diff --git a/packages/frontend/src/utility/autogen/settings-search-index.ts b/packages/frontend/src/utility/autogen/settings-search-index.ts
index ab26d671a2..2a0a4c1857 100644
--- a/packages/frontend/src/utility/autogen/settings-search-index.ts
+++ b/packages/frontend/src/utility/autogen/settings-search-index.ts
@@ -897,22 +897,27 @@ export const searchIndexes: SearchIndexItem[] = [
 				keywords: ['native', 'system', 'video', 'audio', 'player', 'media'],
 			},
 			{
-				id: '1fV9WINCQ',
+				id: 'b1GYEEJeh',
+				label: i18n.ts._settings.makeEveryTextElementsSelectable,
+				keywords: ['text', 'selectable'],
+			},
+			{
+				id: 'vVLxwINTJ',
 				label: i18n.ts.menuStyle,
 				keywords: ['menu', 'style', 'popup', 'drawer'],
 			},
 			{
-				id: 'mLQzlKUNu',
+				id: '14cMhMLHL',
 				label: i18n.ts._contextMenu.title,
 				keywords: ['contextmenu', 'system', 'native'],
 			},
 			{
-				id: 'yP96aA3j9',
+				id: 'oSo4LXMX9',
 				label: i18n.ts.fontSize,
 				keywords: ['font', 'size'],
 			},
 			{
-				id: 'jQeiMopFE',
+				id: '7LQSAThST',
 				label: i18n.ts.useSystemFont,
 				keywords: ['font', 'system', 'native'],
 			},