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Fix slider focus. (#549)

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This resolves:
https://github.com/ArthurSonzogni/FTXUI/issues/547

From discussion:
https://github.com/ArthurSonzogni/FTXUI/discussions/546
This commit is contained in:
Arthur Sonzogni
2023-01-07 18:13:59 +01:00
committed by GitHub
parent 5410329ac6
commit 90dfceefcb
2 changed files with 56 additions and 1 deletions
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3
src/ftxui/component/slider.cpp
View File

@@ -227,6 +227,7 @@ class SliderWithLabel : public ComponentBase {
}
Element Render() override {
auto focus_management = Focused() ? focus : Active() ? select : nothing;
auto gauge_color = Focused() ? color(Color::White) : color(Color::GrayDark);
return hbox({
text(label_()) | dim | vcenter,
@@ -236,7 +237,7 @@ class SliderWithLabel : public ComponentBase {
text("]"),
}) | xflex,
}) |
gauge_color | xflex | reflect(box_);
gauge_color | xflex | reflect(box_) | focus_management;
}
ConstStringRef label_;

54
src/ftxui/component/slider_test.cpp
View File

@@ -1,4 +1,5 @@
#include <gtest/gtest.h> // for AssertionResult, Message, TestPartResult, Test, EXPECT_TRUE, EXPECT_EQ, SuiteApiResolver, TestInfo (ptr only), EXPECT_FALSE, TEST, TestFactoryImpl
#include <array> // for array
#include <ftxui/component/mouse.hpp> // for Mouse, Mouse::Left, Mouse::Pressed, Mouse::Released
#include <ftxui/dom/elements.hpp> // for GaugeDirection, GaugeDirection::Down, GaugeDirection::Left, GaugeDirection::Right, GaugeDirection::Up
#include <memory> // for __shared_ptr_access, shared_ptr, allocator
@@ -129,6 +130,59 @@ TEST(SliderTest, Up) {
EXPECT_FALSE(slider->OnEvent(MousePressed(2, 5)));
}
TEST(SliderTest, Focus) {
static std::array<int, 10> values;
auto container = Container::Vertical({});
for(size_t i = 0; i<values.size(); ++i) {
container->Add(Slider(std::to_string(i), &values[i]));
}
container |= frame;
Screen screen(10, 3);
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "0"); // Select 0
EXPECT_EQ(screen.at(0, 1), "1");
EXPECT_EQ(screen.at(0, 2), "2");
EXPECT_TRUE(container->OnEvent(Event::ArrowDown));
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "0");
EXPECT_EQ(screen.at(0, 1), "1"); // Select 1
EXPECT_EQ(screen.at(0, 2), "2");
EXPECT_TRUE(container->OnEvent(Event::ArrowDown));
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "1");
EXPECT_EQ(screen.at(0, 1), "2"); // Select 2
EXPECT_EQ(screen.at(0, 2), "3");
EXPECT_TRUE(container->OnEvent(Event::ArrowDown)); // Select 3
EXPECT_TRUE(container->OnEvent(Event::ArrowDown)); // Select 4
EXPECT_TRUE(container->OnEvent(Event::ArrowDown)); // Select 5
EXPECT_TRUE(container->OnEvent(Event::ArrowDown)); // Select 6
EXPECT_TRUE(container->OnEvent(Event::ArrowDown));
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "6");
EXPECT_EQ(screen.at(0, 1), "7"); // Select 7
EXPECT_EQ(screen.at(0, 2), "8");
EXPECT_TRUE(container->OnEvent(Event::ArrowDown));
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "7");
EXPECT_EQ(screen.at(0, 1), "8"); // Select 8
EXPECT_EQ(screen.at(0, 2), "9");
EXPECT_TRUE(container->OnEvent(Event::ArrowDown));
Render(screen, container->Render());
EXPECT_EQ(screen.at(0, 0), "7");
EXPECT_EQ(screen.at(0, 1), "8");
EXPECT_EQ(screen.at(0, 2), "9"); // Select 9
EXPECT_FALSE(container->OnEvent(Event::ArrowDown));
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.