| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/views/layout/box_layout.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/views/test/test_views.h" |
| #include "ui/views/view.h" |
| |
| namespace views { |
| |
| namespace { |
| |
| class BoxLayoutTest : public testing::Test { |
| public: |
| virtual void SetUp() override { |
| host_.reset(new View); |
| } |
| |
| scoped_ptr<View> host_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(BoxLayoutTest, Empty) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 20); |
| host_->SetLayoutManager(layout); |
| EXPECT_EQ(gfx::Size(20, 20), layout->GetPreferredSize(host_.get())); |
| } |
| |
| TEST_F(BoxLayoutTest, AlignmentHorizontal) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 20), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 20, 20); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 20), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, AlignmentVertical) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 20), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 20, 20); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 10), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, SetInsideBorderInsets) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 20, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(40, 60), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 40, 60); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 20, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(20, 20, 10, 20), v2->bounds()); |
| |
| layout->set_inside_border_insets( |
| gfx::Insets(5, 10, 15, 20)); |
| EXPECT_EQ(gfx::Size(50, 40), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 50, 40); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 5, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(20, 5, 10, 20), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, Spacing) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 7, 7, 8); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(42, 34), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 100, 100); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(7, 7, 10, 86), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(25, 7, 10, 86), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, Overflow) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v2); |
| host_->SetBounds(0, 0, 10, 10); |
| |
| // Overflows by positioning views at the start and truncating anything that |
| // doesn't fit. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| // All values of main axis alignment should overflow in the same manner. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, NoSpace) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| View* childView = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(childView); |
| host_->SetBounds(0, 0, 10, 10); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), childView->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, InvisibleChild) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| v1->SetVisible(false); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(30, 30), layout->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 30, 30); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 10, 10), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, UseHeightForWidth) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| ProportionallySizedView* v2 = new ProportionallySizedView(2); |
| v2->set_preferred_width(10); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 50), layout->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 20, 50); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 40), v2->bounds()); |
| |
| EXPECT_EQ(110, layout->GetPreferredHeightForWidth(host_.get(), 50)); |
| |
| // Test without horizontal stretching of the views. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_END); |
| EXPECT_EQ(gfx::Size(20, 30).ToString(), |
| layout->GetPreferredSize(host_.get()).ToString()); |
| |
| host_->SetBounds(0, 0, 20, 30); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(10, 10, 10, 20), v2->bounds()); |
| |
| EXPECT_EQ(30, layout->GetPreferredHeightForWidth(host_.get(), 50)); |
| } |
| |
| TEST_F(BoxLayoutTest, EmptyPreferredSize) { |
| for (size_t i = 0; i < 2; i++) { |
| BoxLayout::Orientation orientation = i == 0 ? BoxLayout::kHorizontal : |
| BoxLayout::kVertical; |
| host_->RemoveAllChildViews(true); |
| host_->SetLayoutManager(new BoxLayout(orientation, 0, 0, 5)); |
| View* v1 = new StaticSizedView(gfx::Size()); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| host_->SizeToPreferredSize(); |
| host_->Layout(); |
| |
| EXPECT_EQ(v2->GetPreferredSize().width(), host_->bounds().width()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().height(), host_->bounds().height()) << i; |
| EXPECT_EQ(v1->GetPreferredSize().width(), v1->bounds().width()) << i; |
| EXPECT_EQ(v1->GetPreferredSize().height(), v1->bounds().height()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().width(), v2->bounds().width()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().height(), v2->bounds().height()) << i; |
| } |
| } |
| |
| TEST_F(BoxLayoutTest, MainAxisAlignmentHorizontal) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 100, 40); |
| |
| // Align children to the horizontal start by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for MAIN_AXIS_ALIGNMENT_START. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center horizontally. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(30, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(60, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host horizontally, accounting for the |
| // inside border spacing. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(50, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(80, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, MainAxisAlignmentVertical) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 40, 100); |
| |
| // Align children to the vertical start by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for MAIN_AXIS_ALIGNMENT_START. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center vertically. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 30, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 60, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host vertically, accounting for the |
| // inside border spacing. |
| layout->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 50, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 80, 20, 10).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, CrossAxisAlignmentHorizontal) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 100, 60); |
| |
| // Stretch children to fill the available height by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 40).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 40).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for CROSS_AXIS_ALIGNMENT_STRETCH. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 40).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 40).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the start vertically. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_START); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center vertically. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 20, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 25, 10, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host vertically, accounting for the |
| // inside border spacing. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_END); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 30, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 40, 10, 10).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, CrossAxisAlignmentVertical) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 60, 100); |
| |
| // Stretch children to fill the available width by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 40, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 40, 10).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for CROSS_AXIS_ALIGNMENT_STRETCH. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 40, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 40, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the start horizontally. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_START); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 10, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center horizontally. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(20, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(25, 40, 10, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host horizontally, accounting for the |
| // inside border spacing. |
| layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_END); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(30, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 40, 10, 10).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, FlexAll) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| layout->SetDefaultFlex(1); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| View* v3 = new StaticSizedView(gfx::Size(30, 30)); |
| host_->AddChildView(v3); |
| EXPECT_EQ(gfx::Size(100, 50), layout->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 120, 50); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 27, 30).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(47, 10, 16, 30).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(73, 10, 37, 30).ToString(), v3->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, FlexGrowVertical) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| View* v3 = new StaticSizedView(gfx::Size(30, 30)); |
| host_->AddChildView(v3); |
| |
| host_->SetBounds(0, 0, 50, 130); |
| |
| // Views don't fill the available space by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 30, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 30, 10).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 60, 30, 30).ToString(), v3->bounds().ToString()); |
| |
| std::vector<BoxLayout::MainAxisAlignment> main_alignments; |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| |
| for (size_t i = 0; i < main_alignments.size(); ++i) { |
| layout->set_main_axis_alignment(main_alignments[i]); |
| |
| // Set the first view to consume all free space. |
| layout->SetFlexForView(v1, 1); |
| layout->ClearFlexForView(v2); |
| layout->ClearFlexForView(v3); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 30, 50).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 70, 30, 10).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 90, 30, 30).ToString(), v3->bounds().ToString()); |
| |
| // Set the third view to take 2/3s of the free space and leave the first |
| // view |
| // with 1/3. |
| layout->SetFlexForView(v3, 2); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 30, 30).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 50, 30, 10).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 70, 30, 50).ToString(), v3->bounds().ToString()); |
| |
| // Clear the previously set flex values and set the second view to take all |
| // the free space. |
| layout->ClearFlexForView(v1); |
| layout->SetFlexForView(v2, 1); |
| layout->ClearFlexForView(v3); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 30, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 30, 40).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 90, 30, 30).ToString(), v3->bounds().ToString()); |
| } |
| } |
| |
| TEST_F(BoxLayoutTest, FlexGrowHorizontalWithRemainder) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| layout->SetDefaultFlex(1); |
| std::vector<View*> views; |
| for (int i = 0; i < 5; ++i) { |
| View* view = new StaticSizedView(gfx::Size(10, 10)); |
| views.push_back(view); |
| host_->AddChildView(view); |
| } |
| |
| EXPECT_EQ(gfx::Size(50, 10), layout->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 52, 10); |
| host_->Layout(); |
| // The 2nd and 4th views should have an extra pixel as they correspond to 20.8 |
| // and 41.6 which round up. |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10).ToString(), views[0]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 0, 11, 10).ToString(), views[1]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(21, 0, 10, 10).ToString(), views[2]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(31, 0, 11, 10).ToString(), views[3]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(42, 0, 10, 10).ToString(), views[4]->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, FlexGrowHorizontalWithRemainder2) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| layout->SetDefaultFlex(1); |
| std::vector<View*> views; |
| for (int i = 0; i < 4; ++i) { |
| View* view = new StaticSizedView(gfx::Size(1, 10)); |
| views.push_back(view); |
| host_->AddChildView(view); |
| } |
| |
| EXPECT_EQ(gfx::Size(4, 10), layout->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 10, 10); |
| host_->Layout(); |
| // The 1st and 3rd views should have an extra pixel as they correspond to 2.5 |
| // and 7.5 which round up. |
| EXPECT_EQ(gfx::Rect(0, 0, 3, 10).ToString(), views[0]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(3, 0, 2, 10).ToString(), views[1]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(5, 0, 3, 10).ToString(), views[2]->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(8, 0, 2, 10).ToString(), views[3]->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, FlexShrinkHorizontal) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10); |
| host_->SetLayoutManager(layout); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| View* v3 = new StaticSizedView(gfx::Size(30, 30)); |
| host_->AddChildView(v3); |
| |
| host_->SetBounds(0, 0, 85, 50); |
| |
| // Truncate width by default. |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 30).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 30).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(60, 10, 15, 30).ToString(), v3->bounds().ToString()); |
| |
| std::vector<BoxLayout::MainAxisAlignment> main_alignments; |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| |
| for (size_t i = 0; i < main_alignments.size(); ++i) { |
| layout->set_main_axis_alignment(main_alignments[i]); |
| |
| // Set the first view to shrink as much as necessary. |
| layout->SetFlexForView(v1, 1); |
| layout->ClearFlexForView(v2); |
| layout->ClearFlexForView(v3); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 5, 30).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(25, 10, 10, 30).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(45, 10, 30, 30).ToString(), v3->bounds().ToString()); |
| |
| // Set the third view to shrink 2/3s of the free space and leave the first |
| // view with 1/3. |
| layout->SetFlexForView(v3, 2); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 15, 30).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(35, 10, 10, 30).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(55, 10, 20, 30).ToString(), v3->bounds().ToString()); |
| |
| // Clear the previously set flex values and set the second view to take all |
| // the free space with MAIN_AXIS_ALIGNMENT_END set. This causes the second |
| // view to shrink to zero and the third view still doesn't fit so it |
| // overflows. |
| layout->ClearFlexForView(v1); |
| layout->SetFlexForView(v2, 2); |
| layout->ClearFlexForView(v3); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 30).ToString(), v1->bounds().ToString()); |
| // Conceptually this view is at 10, 40, 0, 0. |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(50, 10, 25, 30).ToString(), v3->bounds().ToString()); |
| } |
| } |
| |
| TEST_F(BoxLayoutTest, FlexShrinkVerticalWithRemainder) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v2); |
| View* v3 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v3); |
| host_->SetBounds(0, 0, 20, 20); |
| |
| std::vector<BoxLayout::MainAxisAlignment> main_alignments; |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| main_alignments.push_back(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| |
| for (size_t i = 0; i < main_alignments.size(); ++i) { |
| layout->set_main_axis_alignment(main_alignments[i]); |
| |
| // The first view shrinks by 1/3 of the excess, the second view shrinks by |
| // 2/3 of the excess and the third view should maintain its preferred size. |
| layout->SetFlexForView(v1, 1); |
| layout->SetFlexForView(v2, 2); |
| layout->ClearFlexForView(v3); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 3).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 3, 20, 7).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 10).ToString(), v3->bounds().ToString()); |
| |
| // The second view shrinks to 2/3 of the excess, the third view shrinks to |
| // 1/3 of the excess and the first view should maintain its preferred size. |
| layout->ClearFlexForView(v1); |
| layout->SetFlexForView(v2, 2); |
| layout->SetFlexForView(v3, 1); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 7).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 17, 20, 3).ToString(), v3->bounds().ToString()); |
| |
| // Each view shrinks equally to fit within the available space. |
| layout->SetFlexForView(v1, 1); |
| layout->SetFlexForView(v2, 1); |
| layout->SetFlexForView(v3, 1); |
| host_->Layout(); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 3).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 3, 20, 14).ToString(), v2->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(0, 17, 20, 3).ToString(), v3->bounds().ToString()); |
| } |
| } |
| |
| TEST_F(BoxLayoutTest, MinimumCrossAxisVertical) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| layout->set_minimum_cross_axis_size(30); |
| |
| EXPECT_EQ(gfx::Size(30, 10), layout->GetPreferredSize(host_.get())); |
| } |
| |
| TEST_F(BoxLayoutTest, MinimumCrossAxisHorizontal) { |
| BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0); |
| host_->SetLayoutManager(layout); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| layout->set_minimum_cross_axis_size(30); |
| |
| EXPECT_EQ(gfx::Size(20, 30), layout->GetPreferredSize(host_.get())); |
| } |
| |
| } // namespace views |