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feat: Dropdown select menu. (#214)

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Dom
 - `vscroll_indicator`. Show a scrollback indicator on the right.

Component
 - `Maybe`: Display an component conditionnally based on a boolean.
 - `Dropdown`: A dropdown select list.

This address:
https://github.com/ArthurSonzogni/FTXUI/issues/204
This commit is contained in:
Arthur Sonzogni
2021-09-26 15:19:17 +02:00
parent 0d1a7ffe6d
commit c5ef0c7fb5
12 changed files with 282 additions and 6 deletions
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8
examples/component/CMakeLists.txt
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@@ -2,19 +2,21 @@ set(DIRECTORY_LIB component)
example(button)
example(checkbox)
example(nested_screen)
example(checkbox_in_frame)
example(composition)
example(dropdown)
example(gallery)
example(homescreen)
example(input)
example(maybe)
example(menu)
example(menu_in_frame)
example(menu2)
example(menu_multiple)
example(menu_entries)
example(menu_in_frame)
example(menu_multiple)
example(menu_style)
example(modal_dialog)
example(nested_screen)
example(print_key_press)
example(radiobox)
example(radiobox_in_frame)

48
examples/component/dropdown.cpp Normal file
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@@ -0,0 +1,48 @@
#include <functional> // for function
#include <iostream> // for basic_ostream::operator<<, operator<<, endl, basic_ostream, basic_ostream<>::__ostream_type, cout, ostream
#include <string> // for string, basic_string, allocator
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component.hpp" // for Menu
#include "ftxui/component/component_options.hpp" // for MenuOption
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
int main(int argc, const char* argv[]) {
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",
};
int selected_1 = 0;
int selected_2 = 0;
int selected_3 = 0;
int selected_4 = 0;
auto layout = Container::Vertical({
Container::Horizontal({
Dropdown(&entries, &selected_1),
Dropdown(&entries, &selected_2),
}),
Container::Horizontal({
Dropdown(&entries, &selected_3),
Dropdown(&entries, &selected_4),
}),
});
auto screen = ScreenInteractive::FitComponent();
screen.Loop(layout);
}
// 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.

47
examples/component/maybe.cpp Normal file
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@@ -0,0 +1,47 @@
#include <functional> // for function
#include <iostream> // for basic_ostream::operator<<, operator<<, endl, basic_ostream, basic_ostream<>::__ostream_type, cout, ostream
#include <string> // for string, basic_string, allocator
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component.hpp" // for Menu
#include "ftxui/component/component_options.hpp" // for MenuOption
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
using namespace ftxui;
Component Border(Component child) {
return Renderer(child, [child] { return child->Render() | border; });
}
int main(int argc, const char* argv[]) {
std::vector<std::string> entries = {
"entry 1",
"entry 2",
"entry 3",
};
int menu_1_selected = 0;
int menu_2_selected = 0;
auto menu_1 = Radiobox(&entries, &menu_1_selected);
auto menu_2 = Radiobox(&entries, &menu_2_selected);
menu_1 = Border(menu_1);
menu_2 = Border(menu_2);
bool menu_1_show = false;
bool menu_2_show = false;
auto layout = Container::Vertical({
Checkbox("Show menu_1", &menu_1_show),
Maybe(menu_1, &menu_1_show),
Checkbox("Show menu_2", &menu_2_show),
Maybe(menu_2, &menu_2_show),
});
auto screen = ScreenInteractive::TerminalOutput();
screen.Loop(layout);
}
// 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.