zhangyiss/FTXUI
1
0
Fork 0
mirror of https://github.com/ArthurSonzogni/FTXUI.git synced 2025-09-17 00:18:11 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Introduce CatchEvent (#104)

Browse Source
This commit is contained in:
Arthur Sonzogni
2021-05-23 12:53:20 +02:00
committed by GitHub
parent ffb6dcef9a
commit aacb677e84
8 changed files with 93 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
examples/component/button.cpp
View File

@@ -14,8 +14,10 @@ int main(int argc, const char* argv[]) {
// The tree of components. This defines how to navigate using the keyboard.
auto buttons = Container::Horizontal({
Button("Decrease", [&] { value--; }),
Button("Increase", [&] { value++; }),
Button(
"[Decrease]", [&] { value--; }, false),
Button(
"[Increase]", [&] { value++; }, false),
});
// Modify the way to render them on screen:

52
examples/util/print_key_press.cpp
View File

@@ -2,19 +2,19 @@
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.
#include <stddef.h> // for size_t
#include <algorithm> // for max
#include <ftxui/component/component.hpp> // for Make
#include <ftxui/component/screen_interactive.hpp> // for ScreenInteractive
#include <string> // for allocator, operator+, wstring, char_traits, to_wstring, string
#include <stddef.h> // for size_t
#include <algorithm> // for max
#include <memory> // for shared_ptr
#include <string> // for allocator, char_traits, operator+, wstring, basic_string, to_wstring, string
#include <utility> // for move
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/component/component.hpp" // for CatchEvent, Renderer
#include "ftxui/component/event.hpp" // for Event
#include "ftxui/component/mouse.hpp" // for Mouse, Mouse::Left, Mouse::Middle, Mouse::None, Mouse::Pressed, Mouse::Released, Mouse::Right, Mouse::WheelDown, Mouse::WheelUp
#include "ftxui/dom/elements.hpp" // for text, vbox, window, Elements, Element
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
#include "ftxui/dom/elements.hpp" // for text, vbox, window, Element, Elements
using namespace ftxui;
@@ -72,28 +72,22 @@ std::wstring Stringify(Event event) {
return out;
}
class DrawKey : public ComponentBase {
public:
~DrawKey() override = default;
Element Render() override {
Elements children;
for (size_t i = std::max(0, (int)keys.size() - 20); i < keys.size(); ++i) {
children.push_back(text(Stringify(keys[i])));
}
return window(text(L"keys"), vbox(std::move(children)));
}
bool OnEvent(Event event) override {
keys.push_back(event);
return true;
}
private:
std::vector<Event> keys;
};
int main(int argc, const char* argv[]) {
auto screen = ScreenInteractive::TerminalOutput();
screen.Loop(Make<DrawKey>());
std::vector<Event> keys;
auto component = Renderer([&] {
Elements children;
for (size_t i = std::max(0, (int)keys.size() - 20); i < keys.size(); ++i)
children.push_back(text(Stringify(keys[i])));
return window(text(L"keys"), vbox(std::move(children)));
});
component = CatchEvent(component, [&](Event event) {
keys.push_back(event);
return true;
});
screen.Loop(component);
}