Nexus/nexus
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Code Issues 34 Pull requests Releases 1 Activity

allow pasting attachments from keyboard

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Closes #55
This commit is contained in:
Henry Hiles 2026-10-15 13:40:24 -04:00
commit 36f61a62d8
Signed by: Henry-Hiles
SSH key fingerprint: SHA256:VKQUdS31Q90KvX7EkKMHMBpUspcmItAh86a+v7PGiIs
12 changed files with 154 additions and 15 deletions
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116
lib/widgets/composer/composer.dart
View file

@ -18,6 +18,10 @@ import "package:nexus/controllers/power_level.dart";
import "package:nexus/models/content/message.dart";
import "package:nexus/models/relation_type.dart";
import "package:nexus/widgets/composer/overlays/tagger_overlay.dart";
import "package:nexus/widgets/composer/paste_files_action.dart";
import "package:pasteboard/pasteboard.dart";
import "package:path/path.dart";
import "package:path_provider/path_provider.dart";
import "package:nexus/widgets/composer/relation_preview.dart";
import "package:nexus/main.dart";
@ -100,6 +104,46 @@ class const Composer(
}
}
/// Attaches [bytes] as a file called [filename], e.g. for pasted images.
Future<void> attachBytes(Uint8List bytes, String filename) async {
// A new directory each time, so files with the same name don't clash
final directory = await (await getTemporaryDirectory()).createTemp(
"attachment",
);
final file = await File(join(directory.path, filename))
.writeAsBytes(bytes);
await ref
.read(AttachmentController.provider(roomId).notifier)
.add(.new(file.path));
}
/// Attaches the first file on the clipboard, or the image on it if there
/// are no files. Returns whether there was either, so that text can be
/// pasted otherwise.
Future<bool> pasteFiles() async {
// Only one attachment is supported at a time
if (attachment != null) return false;
// Failing to read the clipboard counts as it being empty, so that text
// can still be pasted
final files = await Pasteboard.files().onError((_, _) => const []);
if (files.firstOrNull case final path?) {
ref
.read(AttachmentController.provider(roomId).notifier)
.add(XFile(path))
.onError(showError);
return true;
}
if (await Pasteboard.image.onError((_, _) => null) case final image?) {
attachBytes(image, "image.png").onError(showError);
return true;
}
return false;
}
void send() {
if (controller.value.text.isEmpty && attachment == null ||
attachment != null && attachment.$2 == null) {
@ -257,21 +301,65 @@ class const Composer(
return KeyEventResult.ignored;
},
child: TextField(
maxLines: 12,
minLines: 1,
textCapitalization: .sentences,
autofocus:
(Platform.isLinux ||
Platform.isMacOS ||
Platform.isWindows),
decoration: .new(
hintText: "Your message here...",
border: .none,
// Overrides the keyboard shortcut for pasting
child: Actions(
actions: {
PasteTextIntent: PasteFilesAction(
pasteFiles,
),
},
child: TextField(
maxLines: 12,
minLines: 1,
textCapitalization: .sentences,
autofocus:
(Platform.isLinux ||
Platform.isMacOS ||
Platform.isWindows),
decoration: .new(
hintText: "Your message here...",
border: .none,
),
controller: controller,
key: key,
focusNode: node,
// The toolbar's paste button doesn't use the shortcut's action, so replace it too
contextMenuBuilder: (_, editableText) =>
AdaptiveTextSelectionToolbar.buttonItems(
anchors:
editableText.contextMenuAnchors,
buttonItems: editableText
.contextMenuButtonItems
.map(
(item) => item.type == .paste
? item.copyWith(
onPressed: () async {
editableText
.hideToolbar();
if (!await pasteFiles()) {
item.onPressed
?.call();
}
},
)
: item,
)
.toList(),
),
// Images pasted from Android keyboards' clipboards are inserted as content
contentInsertionConfiguration: .new(
onContentInserted: (content) {
if (attachment != null) return;
if (content.data case final data?) {
attachBytes(
data,
"image.${content.mimeType.split("/").last}",
).onError(showError);
}
},
),
),
controller: controller,
key: key,
focusNode: node,
),
),
),

12
lib/widgets/composer/paste_files_action.dart Normal file
View file

@ -0,0 +1,12 @@
import "package:material_ui/material_ui.dart";
/// Overrides a text field's paste, to paste files and images with
/// [pasteFiles], falling back to pasting text if it returns false.
class PasteFilesAction(final Future<bool> Function() pasteFiles)
extends Action<PasteTextIntent> {
@override
Future<void> invoke(PasteTextIntent intent) async {
// callingAction is the text field's own paste action, which this overrides
if (!await pasteFiles()) callingAction?.invoke(intent);
}
}