FTXUI/examples/component/dropdown_custom.cpp

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// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
#include <string> // for basic_string, string, allocator
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component.hpp" // for Dropdown, Horizontal, Vertical
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
int main() {
using namespace ftxui;
std::vector<std::string> entries = {
"tribute", "clearance", "ally", "bend", "electronics",
"module", "era", "cultural", "sniff", "nationalism",
"negotiation", "deliver", "figure", "east", "tribute",
"clearance", "ally", "bend", "electronics", "module",
"era", "cultural", "sniff", "nationalism", "negotiation",
"deliver", "figure", "east", "tribute", "clearance",
"ally", "bend", "electronics", "module", "era",
"cultural", "sniff", "nationalism", "negotiation", "deliver",
"figure", "east",
};
auto dropdown_1 = Dropdown({
.radiobox = {.entries = &entries},
.transform =
[](bool open, Element checkbox, Element radiobox) {
if (open) {
return vbox({
checkbox | inverted,
radiobox | vscroll_indicator | frame |
size(HEIGHT, LESS_THAN, 10),
filler(),
});
}
return vbox({
checkbox,
filler(),
});
},
});
auto dropdown_2 = Dropdown({
.radiobox = {.entries = &entries},
.transform =
[](bool open, Element checkbox, Element radiobox) {
if (open) {
return vbox({
checkbox | inverted,
radiobox | vscroll_indicator | frame |
size(HEIGHT, LESS_THAN, 10) | bgcolor(Color::Blue),
filler(),
});
}
return vbox({
checkbox | bgcolor(Color::Blue),
filler(),
});
},
});
auto dropdown_3 = Dropdown({
.radiobox =
{
.entries = &entries,
.transform =
[](const EntryState& s) {
auto t = text(s.label) | borderEmpty;
if (s.active) {
t |= bold;
}
if (s.focused) {
t |= inverted;
}
return t;
},
},
.transform =
[](bool open, Element checkbox, Element radiobox) {
checkbox |= borderEmpty;
if (open) {
return vbox({
checkbox | inverted,
radiobox | vscroll_indicator | frame |
size(HEIGHT, LESS_THAN, 20) | bgcolor(Color::Red),
filler(),
});
}
return vbox({
checkbox | bgcolor(Color::Red),
filler(),
});
},
});
auto screen = ScreenInteractive::FitComponent();
screen.Loop(Container::Horizontal({
dropdown_1,
dropdown_2,
dropdown_3,
}));
}