feat(ui): allow further customization of StreamMessageInput padding #2328

dballance · 2025-07-25T05:25:37Z

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The code changes follow best practices
Code changes are tested (add some information if not applicable)

Description of the pull request

StreamMessageInput currently contains some hard-coded padding (const EdgeInsets.all(8)) and some fixed, non-configurable margins.

This allows direct overriding of these paddings and margins so users can customize their inputs without unnecessary margin / padding.

Example code used to produce these screenshots (borders are transparent gradients):

StreamMessageInput(
  focusNode: _focusNode,
  messageInputController: _messageInputController,
  onQuotedMessageCleared: _messageInputController.clearQuotedMessage,
  idleSendIcon: _SendIcon(size: iconSizes, color: theme.dividerColor),
  activeSendIcon: _SendIcon(size: iconSizes, color: theme.primaryColor),
  actionsLocation: ActionsLocation.leftInside,
  showCommandsButton: false,
  sendButtonLocation: SendButtonLocation.inside,
  attachmentButtonBuilder: (context, defaultWidget) =>
    defaultWidget.copyWith(
      icon: Container(
        decoration: BoxDecoration(
          shape: BoxShape.circle,
          border: Border.all(
            color: Theme.of(context).dividerColor,
          ),
        ),
        child: const Icon(Icons.plus, size: iconSizes))),
),

With the updates here, I provided the below to produce the "after" shots

padding: const EdgeInsets.symmetric(vertical: 8),
textFieldMargin: EdgeInsets.zero,

Note: Here is the current implementation for the margin calculation - which adds margin to the input anytime you use SendButtonLocation.inside or any ActionLocations that isn't ActionLocationLeft (or commands button is enabled).

final margin = (widget.sendButtonLocation == SendButtonLocation.inside
      ? const EdgeInsets.only(right: 8)
      : EdgeInsets.zero) +
  (widget.actionsLocation != ActionsLocation.left || _commandEnabled
      ? const EdgeInsets.only(left: 8)
      : EdgeInsets.zero);

Certainly open to naming suggestions or even abstracting as some "TextInputEdgeInsets" that would contain both a margin and padding property. Could also be convinced that we should just vendor the StreamMessageInput class here and make these changes ourselves, but seems like there may be a possibility to get this working in the shared lib.

Screenshots / Videos

Before	After

Here shows a top and bottom view of the before and after

I also attempted to drop actionsLocation: ActionsLocation.leftInside and sendButtonLocation: SendButtonLocation.inside, which produced the below:

Still not ideal, as there is extraneous margin around the text input.

Summary by CodeRabbit

New Features
- Added new options to customize the padding and text field margin in the message input component, allowing for improved layout control.
Tests
- Introduced new tests to verify the correct application of custom padding and margin in the message input.
- Refactored test setup for better maintainability.

…on of StreamMessageInput

coderabbitai · 2025-07-25T05:25:45Z

Walkthrough

This change introduces two new layout parameters, padding and textInputMargin, to the StreamMessageInput widget in the stream_chat_flutter package. The changelog is updated, the widget and its state are modified to support these parameters, and new tests are added to verify their behavior. Test setup is refactored for maintainability.

Changes

File(s)	Change Summary
Changelog update `packages/stream_chat_flutter/CHANGELOG.md`	Added "Upcoming" section documenting new `padding` and `textInputMargin` parameters.
Widget modification `packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart`	Added `padding` and `textInputMargin` properties to `StreamMessageInput`; updated layout to use them.
Test refactor and additions `packages/stream_chat_flutter/test/src/message_input/message_input_test.dart`	Refactored test setup with helper function; added tests for new padding and margin parameters; imported `desktop_drop`.

Sequence Diagram(s)

sequenceDiagram
    participant Test as Widget Test
    participant Widget as StreamMessageInput
    participant UI as UI Layout

    Test->>Widget: Instantiate with custom padding/textInputMargin
    Widget->>UI: Build with specified padding and margin
    UI-->>Test: Rendered with expected layout

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~7 minutes

Suggested reviewers

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Poem

In the chat where messages flow,
New paddings and margins now softly grow.
With tests that ensure each edge is just right,
The input feels cozy, both day and night.
A bunny hops by, with a satisfied grin—
Layout control is a win! 🐇✨

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codecov · 2025-07-25T08:19:02Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.65%. Comparing base (ab6554c) to head (5bc8ea2).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2328   +/-   ##
=======================================
  Coverage   63.65%   63.65%           
=======================================
  Files         409      409           
  Lines       25617    25619    +2     
=======================================
+ Hits        16306    16308    +2     
  Misses       9311     9311

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packages/stream_chat_flutter/CHANGELOG.md

[style] ~7-~7: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
Context: ...e context access in async operations. - Added padding and textFieldMargin to `Str...

(ENGLISH_WORD_REPEAT_BEGINNING_RULE)

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packages/stream_chat_flutter/CHANGELOG.md

dballance · 2025-07-25T19:33:16Z

Updated changelog to fix naming conflict and remove from 9.15.0 (moved to Upcoming).

packages/stream_chat_flutter/CHANGELOG.md

xsahil03x

Hey @dballance LGTM, can you just fix the field name in changelog? Thanks

dballance · 2025-07-28T15:27:45Z

Hey @dballance LGTM, can you just fix the field name in changelog? Thanks

Yeah - sorry about that. I thought I had it correct but got cross somewhere along the way.

dballance added 2 commits July 24, 2025 23:56

feat(ui): expose padding and textFieldMargin to allow customizati…

52641ca

…on of StreamMessageInput

fix(ui): rename to textInputMargin

1ea9047

Merge branch 'master' into feat/allow-modifying-input-padding-and-margin

27e5b7f

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fix: update changelog

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fix: update changelog

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xsahil03x merged commit c67a249 into GetStream:master Jul 28, 2025
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This was referenced Aug 13, 2025

chore(repo): release v9.16.0 #2353

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chore(repo): release v10.0.0-beta.5 #2354

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