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Feature: hscroll_indicator (#753)

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This is the symetrical of `vscroll_indicator`.

Requested by @ibrahimnasson.

Fixed:https://github.com/ArthurSonzogni/FTXUI/issues/752
This commit is contained in:
Arthur Sonzogni
2023-09-26 23:08:42 +02:00
committed by GitHub
parent 20d4be286b
commit c24a274292
16 changed files with 185 additions and 22 deletions
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71
src/ftxui/dom/scroll_indicator_test.cpp
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@@ -26,6 +26,18 @@ Element MakeVerticalList(int focused_index, int n) {
return vbox(std::move(list)) | vscroll_indicator | frame | border;
}
Element MakeHorizontalList(int focused_index, int n) {
Elements list;
for (int i = 0; i < n; ++i) {
auto element = text(std::to_string(i));
if (i == focused_index) {
element |= focus;
}
list.push_back(element);
}
return hbox(std::move(list)) | hscroll_indicator | frame | border;
}
std::string PrintVerticalList(int focused_index, int n) {
auto element = MakeVerticalList(focused_index, n);
Screen screen(6, 6);
@@ -33,9 +45,16 @@ std::string PrintVerticalList(int focused_index, int n) {
return screen.ToString();
}
std::string PrintHorizontalList(int focused_index, int n) {
auto element = MakeHorizontalList(focused_index, n);
Screen screen(6, 4);
Render(screen, element);
return screen.ToString();
}
} // namespace
TEST(ScrollIndicator, Basic) {
TEST(ScrollIndicator, BasicVertical) {
EXPECT_EQ(PrintVerticalList(0, 10),
"╭────╮\r\n"
"│0 ┃│\r\n"
@@ -108,6 +127,56 @@ TEST(ScrollIndicator, Basic) {
"╰────╯");
}
TEST(ScrollIndicator, BasicHorizontal) {
EXPECT_EQ(PrintHorizontalList(0, 10),
"╭────╮\r\n"
"│0123│\r\n"
"│── │\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(1, 10),
"╭────╮\r\n"
"│0123│\r\n"
"│── │\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(2, 10),
"╭────╮\r\n"
"│1234│\r\n"
"│── │\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(3, 10),
"╭────╮\r\n"
"│2345│\r\n"
"│╶─╴ │\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(4, 10),
"╭────╮\r\n"
"│3456│\r\n"
"│ ── │\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(5, 10),
"╭────╮\r\n"
"│4567│\r\n"
"│ ╶─╴│\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(6, 10),
"╭────╮\r\n"
"│5678│\r\n"
"│ ──│\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(7, 10),
"╭────╮\r\n"
"│6789│\r\n"
"│ ──│\r\n"
"╰────╯");
EXPECT_EQ(PrintHorizontalList(8, 10),
"╭────╮\r\n"
"│6789│\r\n"
"│ ──│\r\n"
"╰────╯");
}
namespace {
Element MakeHorizontalFlexboxList(int n) {