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During multi-step text input composing, such as with Chinese, Japanese, and Korean text input, the framework sends embedders cursor rect updates in the form of two messages: * TextInput.setMarkedTextRect: notifies the embedder the size and position of the composing text rect (or cursor when not composing) in local coordinates. * TextInput.setEditableSizeAndTransform: notifies the embedder of the size of the EditableText and 4x4 transform matrix from local to PipelineOwner.rootNode coordinates. On receipt of either message, we cache a local copy on the TextInputPlugin and notify the Win32FlutterWindow of the updated cursor rect. In a followup patch, we update Win32FlutterWindow to implement the Win32 input manager (IMM) calls required to position the IME candidates window while editing.
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/platform/common/cpp/geometry.h"
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#include "gtest/gtest.h"
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namespace flutter {
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TEST(Point, SetsCoordinates) {
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Point point(-30.0, 42.0);
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EXPECT_DOUBLE_EQ(-30.0, point.x());
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EXPECT_DOUBLE_EQ(42.0, point.y());
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}
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TEST(Size, SetsDimensions) {
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Size size(20.0, 42.0);
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EXPECT_DOUBLE_EQ(20.0, size.width());
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EXPECT_DOUBLE_EQ(42.0, size.height());
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}
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TEST(Size, ClampsDimensionsPositive) {
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Size size(-20.0, -42.0);
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EXPECT_DOUBLE_EQ(0.0, size.width());
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EXPECT_DOUBLE_EQ(0.0, size.height());
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}
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TEST(Rect, SetsOriginAndSize) {
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Point origin(-30.0, 42.0);
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Size size(20.0, 22.0);
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Rect rect(origin, size);
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EXPECT_EQ(origin, rect.origin());
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EXPECT_EQ(size, rect.size());
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}
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TEST(Rect, ReturnsLTRB) {
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Point origin(-30.0, 42.0);
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Size size(20.0, 22.0);
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Rect rect(origin, size);
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EXPECT_DOUBLE_EQ(-30.0, rect.left());
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EXPECT_DOUBLE_EQ(42.0, rect.top());
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EXPECT_DOUBLE_EQ(-10.0, rect.right());
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EXPECT_DOUBLE_EQ(64.0, rect.bottom());
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}
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TEST(Rect, ReturnsWidthHeight) {
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Point origin(-30.0, 42.0);
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Size size(20.0, 22.0);
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Rect rect(origin, size);
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EXPECT_DOUBLE_EQ(20.0, rect.width());
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EXPECT_DOUBLE_EQ(22.0, rect.height());
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}
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} // namespace flutter
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