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Add SliderWithCallback component (#938)

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Add SliderOption::on_change.

Useful to observe a change to the value.

Signed-off-by: Mikołaj Lubiak <lubiak@proton.me>
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Mikołaj Lubiak
2024-10-29 08:03:59 +01:00
committed by GitHub
parent 1d40687a40
commit 99df1ac8ba
4 changed files with 90 additions and 47 deletions
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33
src/ftxui/component/slider_test.cpp
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@@ -45,6 +45,7 @@ Event MouseReleased(int x, int y) {
} // namespace
TEST(SliderTest, Right) {
int updated = 0;
int value = 50;
auto slider = Slider<int>({
.value = &value,
@@ -52,23 +53,31 @@ TEST(SliderTest, Right) {
.max = 100,
.increment = 10,
.direction = Direction::Right,
.on_change = [&]() { updated++; },
});
Screen screen(11, 1);
Render(screen, slider->Render());
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(3, 0)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(9, 0)));
EXPECT_EQ(value, 90);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(9, 2)));
EXPECT_EQ(value, 90);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(5, 2)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 2);
EXPECT_TRUE(slider->OnEvent(MouseReleased(5, 2)));
EXPECT_FALSE(slider->OnEvent(MousePressed(5, 2)));
EXPECT_EQ(value, 50);
}
TEST(SliderTest, Left) {
int updated = 0;
int value = 50;
auto slider = Slider<int>({
.value = &value,
@@ -76,23 +85,31 @@ TEST(SliderTest, Left) {
.max = 100,
.increment = 10,
.direction = Direction::Left,
.on_change = [&]() { updated++; },
});
Screen screen(11, 1);
Render(screen, slider->Render());
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(3, 0)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(9, 0)));
EXPECT_EQ(value, 10);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(9, 2)));
EXPECT_EQ(value, 10);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(5, 2)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 2);
EXPECT_TRUE(slider->OnEvent(MouseReleased(5, 2)));
EXPECT_FALSE(slider->OnEvent(MousePressed(5, 2)));
EXPECT_EQ(value, 50);
}
TEST(SliderTest, Down) {
int updated = 0;
int value = 50;
auto slider = Slider<int>({
.value = &value,
@@ -100,23 +117,32 @@ TEST(SliderTest, Down) {
.max = 100,
.increment = 10,
.direction = Direction::Down,
.on_change = [&]() { updated++; },
});
Screen screen(1, 11);
Render(screen, slider->Render());
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(0, 3)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(0, 9)));
EXPECT_EQ(value, 90);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(2, 9)));
EXPECT_EQ(value, 90);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(2, 5)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 2);
EXPECT_TRUE(slider->OnEvent(MouseReleased(2, 5)));
EXPECT_FALSE(slider->OnEvent(MousePressed(2, 5)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 2);
}
TEST(SliderTest, Up) {
int updated = 0;
int value = 50;
auto slider = Slider<int>({
.value = &value,
@@ -124,20 +150,27 @@ TEST(SliderTest, Up) {
.max = 100,
.increment = 10,
.direction = Direction::Up,
.on_change = [&]() { updated++; },
});
Screen screen(1, 11);
Render(screen, slider->Render());
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(0, 3)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 0);
EXPECT_TRUE(slider->OnEvent(MousePressed(0, 9)));
EXPECT_EQ(value, 10);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(2, 9)));
EXPECT_EQ(value, 10);
EXPECT_EQ(updated, 1);
EXPECT_TRUE(slider->OnEvent(MousePressed(2, 5)));
EXPECT_EQ(value, 50);
EXPECT_EQ(updated, 2);
EXPECT_TRUE(slider->OnEvent(MouseReleased(2, 5)));
EXPECT_FALSE(slider->OnEvent(MousePressed(2, 5)));
EXPECT_EQ(value, 50);
}
TEST(SliderTest, Focus) {