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Improvement documentation. (#361)
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@ -9,8 +9,8 @@ current (development)
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means non-cmake users should not link against "libftxui-dom" for instance.
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### Component
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- Animations module! Components can implement the `OnAnimation` method and the
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animation::Animator to define some animated properties.
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- **Animations** module! Components can implement the `OnAnimation` method and
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the animation::Animator to define some animated properties.
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- `Menu` now support animations.
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- `Button` now supports animations.
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- Support SIGTSTP. (ctrl+z).
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26
README.md
26
README.md
@ -29,13 +29,26 @@ A simple C++ library for terminal based user interfaces!
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[[1]](https://hackernoon.com/building-reactive-terminal-interfaces-in-c-d392ce34e649?gi=d9fb9ce35901)
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and [React](https://reactjs.org/)
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* Simple and elegant syntax (in my opinion)
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* Keyboard & mouse navigation.
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* Support for [UTF8](https://en.wikipedia.org/wiki/UTF-8) and [fullwidth chars](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) (→ 测试)
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* Support for animations. [Demo 1](https://arthursonzogni.com/FTXUI/examples/?file=component/menu_underline_animated_gallery), [Demo 2](https://arthursonzogni.com/FTXUI/examples/?file=component/button_style)
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* Support for drawing. [Demo](https://arthursonzogni.com/FTXUI/examples/?file=component/canvas_animated)
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* No dependencies
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* Cross platform. Linux/MacOS (main target), Windows (experimental thanks to contributors), WebAssembly
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* Keyboard & mouse navigation
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* Cross platform: Linux/MacOS (main target), WebAssembly, Windows (Thanks to contributors!).
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* Learn by [examples](#documentation), and [tutorials](#documentation)
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* Multiple packages: CMake [FetchContent](https://bewagner.net/programming/2020/05/02/cmake-fetchcontent/) (preferred), vcpkg, pkgbuild, conan.
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* Good practises: documentation, tests, fuzzers, performance tests, automated CI, automated packaging, etc...
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## Documentation
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- [Starter example project](https://github.com/ArthurSonzogni/ftxui-starter)
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- [Documentation](https://arthursonzogni.github.io/FTXUI/)
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- [Examples (WebAssembly)](https://arthursonzogni.com/FTXUI/examples/)
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- [Build using CMake](https://github.com/ArthurSonzogni/FTXUI/blob/master/doc/mainpage.md#using-cmake)
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## Operating systems
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This is expected to be cross platform. This supports / tests:
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- WebAssembly
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- Linux
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- MacOS
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@ -62,13 +75,6 @@ A simple C++ library for terminal based user interfaces!
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└────────────────────────────────────────────────────────────────────────────┘
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~~~
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## Documentation
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- [Starter example project](https://github.com/ArthurSonzogni/ftxui-starter)
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- [Documentation](https://arthursonzogni.github.io/FTXUI/)
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- [Examples (WebAssembly)](https://arthursonzogni.com/FTXUI/examples/)
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- [Build using CMake](https://github.com/ArthurSonzogni/FTXUI/blob/master/doc/mainpage.md#using-cmake)
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## Short gallery
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#### DOM
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@ -165,7 +171,7 @@ Element paragraphAlignCenter(std::string text);
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Element paragraphAlignJustify(std::string text);
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```
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[Paragraph example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2table_8cpp-example.html):
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[Paragraph example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2paragraph_8cpp-example.html)
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![ezgif com-gif-maker (4)](https://user-images.githubusercontent.com/4759106/147251370-983a06e7-6f41-4113-92b8-942f43d34d06.gif)
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425
doc/mainpage.md
425
doc/mainpage.md
@ -1,14 +1,19 @@
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\mainpage
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# Introduction
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# Introduction {#introduction}
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Welcome to the FTXUI documentation. Here, you will find the detail of every
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functions and classes.
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Welcome to the FTXUI documentation!
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This is a brief tutorial. You are also encouraged to learn, by reading the
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[examples](./examples.html)
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@tableofcontents
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**Short example**
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To build a single frame, you need create an `ftxui::Element`, and display it on
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a `ftxui::Screen`.
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**main.cpp**
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```cpp
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#include <ftxui/dom/elements.hpp>
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@ -37,6 +42,7 @@ int main(void) {
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}
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```
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**output**
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```bash
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┌────┐┌─────────────────────────────────────────────────────────────────┐┌─────┐
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@ -44,9 +50,9 @@ int main(void) {
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└────┘└─────────────────────────────────────────────────────────────────┘└─────┘
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```
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# Build
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# Build {#build}
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## Using CMake
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## Using CMake {#build-cmake}
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CMakeLists.txt
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~~~cmake
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@ -58,7 +64,7 @@ include(FetchContent)
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set(FETCHCONTENT_UPDATES_DISCONNECTED TRUE)
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FetchContent_Declare(ftxui
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GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui
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# Specify a GIT_TAG here.
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# Important: Specify a GIT_TAG XXXXX here.
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)
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FetchContent_GetProperties(ftxui)
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@ -86,16 +92,16 @@ target_link_libraries(ftxui-starter
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~~~
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Build
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~~~
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~~~sh
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mkdir build && cd build
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cmake ..
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make
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./main
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~~~
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# List of modules.
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# List of modules. {#modules}
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The project is split into 3 modules:
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The project is made from into 3 modules:
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1. **ftxui/screen** defines a `ftxui::Screen`, this is a grid of `ftxui::Pixel`.
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@ -108,7 +114,7 @@ The project is split into 3 modules:
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using the arrow keys and interact with widgets like checkbox/inputbox/... You
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can make you own components.
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# screen
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# screen {#module-screen}
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It defines a `ftxui::Screen`. This is a grid of `ftxui::Pixel`. A Pixel
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represent a Unicode character and its associated style (bold, colors, etc...).
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@ -132,31 +138,41 @@ The screen can be printed as a string using `ftxui::Screen::ToString()`.
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}
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~~~
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# dom
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# dom {#module-dom}
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This module defines a hierarchical set of Element. An element manages layout and
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can be responsive to the terminal dimensions.
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This module defines a hierarchical set of `ftxui::Element`. An element manages
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layout and can be responsive to the terminal dimensions.
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**Example:**
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```cpp
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// Define the document
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Element document = vbox({
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text("The window") | bold | color(Color::Blue),
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gauge(0.5)
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text("The footer")
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});
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text("The window") | bold | color(Color::Blue),
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gauge(0.5)
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text("The footer")
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});
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// Add a border.
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// Add a border, by calling the `ftxui::border` decorator function.
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document = border(document);
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// Add another border, using the pipe operator.
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document = document | border.
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// Add another border, using the |= operator.
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document |= border
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```
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**List of elements**
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You only need one header: ftxui/dom/elements.hpp
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They are all defined inside:
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```cpp
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#include <ftxui/dom/elements.hpp>
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```
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\include ftxui/dom/elements.hpp
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## text
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## text ## {#dom-text}
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The most simple widget. It displays a text.
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~~~cpp
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@ -166,7 +182,44 @@ text("I am a piece of text");
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I am a piece of text.
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~~~
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## border
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## vtext {#dom-vtext}
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Same as `ftxui::text`, but vertical.
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~~~cpp
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vtext("HELLO");
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~~~
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~~~bash
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H
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E
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L
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L
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O
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~~~
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## paragraph {#dom-paragraph}
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```cpp
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paragraph("A very long text")
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```
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Similar to `ftxui::text`, but this support line wrapping and alignments. The
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words are split by spaces
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[Paragraph example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2paragraph_8cpp-example.html)
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![ezgif com-gif-maker (4)](https://user-images.githubusercontent.com/4759106/147251370-983a06e7-6f41-4113-92b8-942f43d34d06.gif)
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See:
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```cpp
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Element paragraph(std::string text);
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Element paragraphAlignLeft(std::string text);
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Element paragraphAlignRight(std::string text);
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Element paragraphAlignCenter(std::string text);
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Element paragraphAlignJustify(std::string text);
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```
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## border {#dom-border}
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Add a border around an element
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~~~cpp
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@ -179,7 +232,27 @@ border(text("The element"))
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└───────────┘
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~~~
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## window
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Same, with the pipe operator:
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```cpp
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text("The element") | border
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```
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Border come with different styles.
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See:
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```cpp
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Element border(Element);
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Element borderLight(Element);
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Element borderHeavy(Element);
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Element borderDouble(Element);
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Element borderRounded(Element);
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Element borderEmpty(Element);
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Decorator borderStyled(BorderStyle);
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Decorator borderWith(Pixel);
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```
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## window ## {#dom-window}
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A `ftxui::window` is a `ftxui::border`, but with some text on top of the border.
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Add a border around an element
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@ -193,7 +266,7 @@ window("The window", text("The element"))
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└───────────┘
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~~~
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## separator
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## separator {#dom-separator}
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Display a vertical or horizontal line to visually split the content of a
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container in two.
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@ -214,7 +287,29 @@ border(
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└────┴─────┘
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~~~
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## gauge
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Separators come with different styles:
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See:
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```cpp
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Element separator(void);
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Element separatorLight();
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Element separatorHeavy();
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Element separatorDouble();
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Element separatorEmpty();
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Element separatorStyled(BorderStyle);
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Element separator(Pixel);
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Element separatorCharacter(std::string);
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Element separatorHSelector(float left,
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float right,
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Color background,
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Color foreground);
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Element separatorVSelector(float up,
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float down,
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Color background,
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Color foreground);
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```
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## gauge {#dom-gauge}
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A gauge. It can be used to represent a progress bar.
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~~~cpp
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@ -227,13 +322,28 @@ border(gauge(0.5))
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└────────────────────────────────────────────────────────────────────────────┘
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~~~
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## graph
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A gauge can be displayed into several directions. See:
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```cpp
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Element gauge(float ratio);
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Element gaugeLeft(float ratio);
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Element gaugeRight(float ratio);
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Element gaugeUp(float ratio);
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Element gaugeDown(float ratio);
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Element gaugeDirection(float ratio, GaugeDirection);
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```
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## graph {#dom-graph}
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@htmlonly
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<script id="asciicast-223726" src="https://asciinema.org/a/223726.js" async></script>
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@endhtmlonly
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## Colors
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See:
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```cpp
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Element graph(GraphFunction);
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```
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## Colors {#dom-colors}
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A terminal console can usually display colored text and colored background.
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~~~cpp
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@ -241,7 +351,12 @@ Decorator color(Color);
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Decorator bgcolor(Color);
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~~~
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### Palette16
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FTXUI support every color palette:
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Color [gallery](https://arthursonzogni.github.io/FTXUI/examples_2dom_2color_gallery_8cpp-example.html):
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![image](https://user-images.githubusercontent.com/4759106/147248595-04c7245a-5b85-4544-809d-a5984fc6f9e7.png)
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### Palette16 #{#dom-colors-palette-16}
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On most terminal the following colors are supported:
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- Default
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@ -277,7 +392,7 @@ text("Blue background") | bgcolor(Color::Blue);
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text("Black on white") | color(Color::Black) | bgcolor(Color::White);
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```
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### Palette256
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### Palette256 #{#dom-colors-palette-256}
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On terminal supporting 256 colors.
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@htmlonly
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@ -288,7 +403,7 @@ On terminal supporting 256 colors.
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text("HotPink") | color(Color::HotPink);
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```
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### TrueColor
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### TrueColor #{#dom-colors-true-color}
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On terminal supporting trueColor, you can directly chose the 24bit RGB color:
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@ -303,7 +418,7 @@ ftxui::Color::HSV(uint8_t hue, uint8_t saturation, uint8_t value);
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<script id="asciicast-xwzzghmqcqzIuyLwCpQFEqbEu" src="https://asciinema.org/a/xwzzghmqcqzIuyLwCpQFEqbEu.js" async></script>
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@endhtmlonly
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## Style
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## Style {#dom-style}
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A terminal console can usually display colored text and colored background.
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The text can also have different effects: bold, dim, underlined, inverted,
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blink.
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@ -318,6 +433,10 @@ Decorator color(Color);
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Decorator bgcolor(Color);
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~~~
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[Example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2style_gallery_8cpp-example.html)
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![image](https://user-images.githubusercontent.com/4759106/147244118-380bf834-9e33-40df-9ff0-07c10f2598ef.png)
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Example:
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~~~cpp
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underlined(bold(text("This text is bold and underlined")))
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@ -328,22 +447,30 @@ Tips: The pipe operator can be used to chain Decorator:
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text("This text is bold")) | bold | underlined
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~~~
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## Layout
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## Layout {#dom-layout}
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These layout are similar to the HTML flexbox:
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* vbox (Vertical-box)
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* hbox (Horizontal-box)
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* dbox (Z-axis-box)
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They are used to compose all the elements together. Each
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children are put side by side. If the container is flexible, the extra space
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available will be shared among the remaining flexible children.
|
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Element can be arranged together:
|
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- horizontally with `ftxui::hbox`
|
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- vertically with `ftxui::vbox`
|
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- inside a grid with `ftxui::gridbox`
|
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- wrap along one direction using the `ftxui::flexbox`.
|
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|
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`flex(element)` can be used to make a non-flexible element flexible. `filler()`
|
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is a flexible empty element. You can use it align children on one side of the
|
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container.
|
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[Example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2vbox_hbox_8cpp-example.html) using `ftxui::hbox`, `ftxui::vbox` and `ftxui::filler`.
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|
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An horizontal flow layout is implemented by:
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* hflow (Horizontal flow)
|
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![image](https://user-images.githubusercontent.com/4759106/147242524-7103b5d9-1a92-4e2d-ac70-b3d6740061e3.png)
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|
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[Example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2gridbox_8cpp-example.htmlp) using `ftxui::gridbox`:
|
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|
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![image](https://user-images.githubusercontent.com/4759106/147242972-0db1f2e9-0790-496f-86e6-ed2c604f7a73.png)
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|
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[Example](https://github.com/ArthurSonzogni/FTXUI/blob/master/examples/dom/hflow.cpp) using flexbox:
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|
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![image](https://user-images.githubusercontent.com/4759106/147243064-780ac7cc-605b-475f-94b8-cf7c4aed03a5.png)
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[See](https://arthursonzogni.github.io/FTXUI/examples_2dom_2hflow_8cpp-example.html) also this [demo](https://arthursonzogni.com/FTXUI/examples/?file=component/flexbox).
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|
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Element can become flexible using the the `ftxui::flex` decorator.
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|
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**Examples**
|
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~~~cpp
|
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@ -372,11 +499,39 @@ An horizontal flow layout is implemented by:
|
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└────┘└───────────────────────────────────┘└───────────────────────────────────┘
|
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~~~
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## Table {#dom-table}
|
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|
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# component
|
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A class to easily style a table of data.
|
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|
||||
The `ftxui/component` directory defines the logic to get produce
|
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interactive component responding to user's events (keyboard, mouse, etc...)
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2dom_2table_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147250766-77d8ec9e-cf2b-486d-9866-1fd9f1bd2e6b.png)
|
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## Canvas {#dom-canvas}
|
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|
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See [<ftxui/dom/canvas.hpp>](./canvas_8hpp_source.html)
|
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|
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```cpp
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auto c = Canvas(100, 100);
|
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c.DrawPointLine(10, 10, 80, 10, Color::Red);
|
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auto element = canvas(c);
|
||||
```
|
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|
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Drawing can be made on a `ftxui::Canvas`, using braille, block, or simple
|
||||
characters:
|
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|
||||
Simple [example](https://github.com/ArthurSonzogni/FTXUI/blob/master/examples/dom/canvas.cpp):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147245843-76cc62fb-ccb4-421b-aacf-939f9afb42fe.png)
|
||||
|
||||
Complex [examples](https://github.com/ArthurSonzogni/FTXUI/blob/master/examples/component/canvas_animated.cpp):
|
||||
|
||||
![ezgif com-gif-maker (3)](https://user-images.githubusercontent.com/4759106/147250538-783a8246-98e0-4a25-b032-3bd3710549d1.gif)
|
||||
|
||||
# component {#module-component}
|
||||
|
||||
The `ftxui::component`module defines the logic to produce interactive component
|
||||
responding to user's events (keyboard, mouse, etc...)
|
||||
|
||||
A `ftxui::ScreenInteractive` defines a main loop to render a component.
|
||||
|
||||
@ -388,15 +543,23 @@ defines
|
||||
two component. This defines a tree a components, which help properly define
|
||||
how keyboard navigation works.
|
||||
|
||||
Predefined components are available in `ftxui/dom/component.hpp`:
|
||||
`ftxui::Element` are used to render a single frame. On the other side
|
||||
`ftxui::Component` are used to render dynamic user interface, producing multiple
|
||||
frame, and updating its state on events.
|
||||
|
||||
[Gallery](https://arthursonzogni.github.io/FTXUI/examples_2component_2gallery_8cpp-example.html) of multiple components. ([demo](https://arthursonzogni.com/FTXUI/examples/?file=component/gallery))
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147247330-b60beb9f-e665-48b4-81c0-4b01ee95bc66.png)
|
||||
|
||||
Predefined components are available in ["ftxui/dom/component.hpp"](./component_8hpp.html)
|
||||
|
||||
\include ftxui/component/component.hpp
|
||||
|
||||
Element are stateless object. On the other side, components are used when an
|
||||
internal state is needed. Components are used to interact with the user with
|
||||
its keyboard. They handle keyboard navigation, including component focus.
|
||||
## Input {#component-input}
|
||||
|
||||
## Input
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2input_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147247671-f1d6f606-1845-4e94-a4a0-d4273e9ae6bd.png)
|
||||
|
||||
Produced by: `ftxui::Input()` from "ftxui/component/component.hpp"
|
||||
|
||||
@ -404,7 +567,12 @@ Produced by: `ftxui::Input()` from "ftxui/component/component.hpp"
|
||||
<script id="asciicast-223719" src="https://asciinema.org/a/223719.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## Menu
|
||||
## Menu {#component-menu}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2menu_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147247822-0035fd6f-bb13-4b3a-b057-77eb9291582f.png)
|
||||
|
||||
|
||||
Produced by: `ftxui::Menu()` from "ftxui/component/component.hpp"
|
||||
|
||||
@ -412,7 +580,11 @@ Produced by: `ftxui::Menu()` from "ftxui/component/component.hpp"
|
||||
<script id="asciicast-223720" src="https://asciinema.org/a/223720.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## Toggle.
|
||||
## Toggle {#component-toggle}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2toggle_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147249383-e2201cf1-b7b8-4a5a-916f-d761e3e7ae40.png)
|
||||
|
||||
Produced by: `ftxui::Toggle()` from "ftxui/component/component.hpp"
|
||||
|
||||
@ -420,7 +592,11 @@ Produced by: `ftxui::Toggle()` from "ftxui/component/component.hpp"
|
||||
<script id="asciicast-223722" src="https://asciinema.org/a/223722.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## CheckBox
|
||||
## CheckBox {#component-checkbox}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2checkbox_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147246646-b86926a9-1ef9-4efb-af98-48a9b62acd81.png)
|
||||
|
||||
Produced by: `ftxui::Checkbox()` from "ftxui/component/component.hpp"
|
||||
|
||||
@ -428,7 +604,11 @@ Produced by: `ftxui::Checkbox()` from "ftxui/component/component.hpp"
|
||||
<script id="asciicast-223724" src="https://asciinema.org/a/223724.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## RadioBox
|
||||
## RadioBox {#component-radiobox}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2radiobox_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147246401-809d14a5-6621-4e36-8dd9-a2d75ef2a94e.png)
|
||||
|
||||
Produced by: `ftxui::Radiobox()` from "ftxui/component/component.hpp"
|
||||
|
||||
@ -436,37 +616,154 @@ Produced by: `ftxui::Radiobox()` from "ftxui/component/component.hpp"
|
||||
<script id="asciicast-223725" src="https://asciinema.org/a/223725.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## Renderer
|
||||
## Dropdown {#component-dropdown}
|
||||
|
||||
Produced by: `ftxui::Renderer()` from \ref "ftxui/component/component.hpp". This
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2dropdown_8cpp-example.html):
|
||||
|
||||
![youtube-video-gif (3)](https://user-images.githubusercontent.com/4759106/147246982-1e821751-531c-4e1f-bc37-2fa290e143cd.gif)
|
||||
|
||||
Produced by: `ftxui::Dropdown()` from "ftxui/component/component.hpp"
|
||||
|
||||
## Slider {#component-slider}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2slider_8cpp-example.html):
|
||||
|
||||
![image](https://user-images.githubusercontent.com/4759106/147249265-7e2cad75-082c-436e-affe-44a550c480ab.png)
|
||||
|
||||
Produced by: `ftxui::Slider()` from "ftxui/component/component.hpp"
|
||||
|
||||
## Renderer {#component-renderer}
|
||||
|
||||
Produced by: `ftxui::Renderer()` from \ref 'ftxui/component/component.hpp'. This
|
||||
component decorate another one by using a different function to render an
|
||||
interface.
|
||||
|
||||
## CatchEvent
|
||||
Example:
|
||||
```cpp
|
||||
auto inner = [...]
|
||||
|
||||
Produced by: `ftxui::CatchEvent()` from \ref "ftxui/component/component.hpp".
|
||||
auto renderer = Renderer(inner, [&] {
|
||||
return inner->Render() | border
|
||||
});
|
||||
```
|
||||
|
||||
`ftxui::Renderer` also support the component decorator pattern:
|
||||
```cpp
|
||||
auto component = [...]
|
||||
component = component
|
||||
| Renderer([] (Element e) { return e | border))
|
||||
| Renderer(bold)
|
||||
```
|
||||
|
||||
As a short hand, you can also compose a component with an element decorator:
|
||||
```cpp
|
||||
auto component = [...]
|
||||
component = component | border | bold;
|
||||
```
|
||||
|
||||
## CatchEvent {#component-catchevent}
|
||||
|
||||
Produced by: `ftxui::CatchEvent()` from \ref 'ftxui/component/component.hpp'.
|
||||
This component decorate another one and catch the events before the underlying
|
||||
component.
|
||||
|
||||
## Container::Horizontal
|
||||
Examples:
|
||||
```cpp
|
||||
auto screen = ScreenInteractive::TerminalOutput();
|
||||
auto renderer = Renderer([] {
|
||||
return text("My interface");
|
||||
});
|
||||
auto component = CatchEvent(renderer, [&](Event event) {
|
||||
if (event == Event::Character('q')) {
|
||||
screen.ExitLoopClosure()();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
});
|
||||
screen.Loop(component);
|
||||
```
|
||||
|
||||
The `ftxui::CatchEvent` can also be used as a decorator:
|
||||
```cpp
|
||||
component = component
|
||||
| CatchEvent(handler_1)
|
||||
| CatchEvent(handler_2)
|
||||
| CatchEvent(handler_3)
|
||||
;
|
||||
```
|
||||
|
||||
## Collapsible {#component-collapsible}
|
||||
|
||||
Useful for section whose visibility can be toggle on/off by the user.
|
||||
This is basically, a combinaison of a `ftxui::Checkbox` and a `ftxui::Maybe`
|
||||
components.
|
||||
|
||||
```cpp
|
||||
auto collabsible = Collapsible("Show more", inner_element);
|
||||
```
|
||||
|
||||
## Maybe {#component-maybe}
|
||||
|
||||
Produced by: `ftxui::Maybe()` from \ref `ftxui/component/component.hpp`.
|
||||
This component decorate another one, by showing/hiding it depending on a boolean
|
||||
or a predicate.
|
||||
|
||||
Example with a boolean:
|
||||
```cpp
|
||||
bool show = true;
|
||||
auto component = Renderer([]{ return "Hello World!"; });
|
||||
auto maybe_component = Maybe(component, &show)
|
||||
```
|
||||
|
||||
Example with a predicate:
|
||||
```cpp
|
||||
auto component = Renderer([]{ return "Hello World!"; });
|
||||
auto maybe_component = Maybe(component, [&] { return time > 10; })
|
||||
```
|
||||
|
||||
`ftxui::Maybe` can be used as a decorator.
|
||||
|
||||
```
|
||||
component = component
|
||||
| Maybe(&a_boolean)
|
||||
| Maybe([&] { return time > 10; })
|
||||
;
|
||||
```
|
||||
|
||||
## Container {#component-container}
|
||||
|
||||
### Horizontal {#component-horizontal}
|
||||
|
||||
Produced by: `ftxui::Container::Horizontal()` from
|
||||
"ftxui/component/component.hpp". It displays a list of components horizontally
|
||||
and handle keyboard/mouse navigation.
|
||||
|
||||
## Container::Vertial
|
||||
### Vertical {#component-vertical}
|
||||
|
||||
Produced by: `ftxui::Container::Vertical()` from
|
||||
"ftxui/component/component.hpp". It displays a list of components vertically
|
||||
and handles keyboard/mouse navigation.
|
||||
|
||||
## Container::Tab
|
||||
### Tab {#component-tab}
|
||||
|
||||
Produced by: `ftxui::Container::Tab()` from
|
||||
"ftxui/component/component.hpp". It take a list of component and display only
|
||||
one of them. This is useful for implementing a tab bar.
|
||||
|
||||
## ResizableSplit::{Left, Right, Top, Bottom}
|
||||
[Vertical](https://arthursonzogni.github.io/FTXUI/examples_2component_2tab_vertical_8cpp-example.html):
|
||||
|
||||
![ezgif com-gif-maker (1)](https://user-images.githubusercontent.com/4759106/147250144-22ff044a-4773-4ff7-a49c-12ba4034acb4.gif)
|
||||
|
||||
[Horizontal](https://arthursonzogni.github.io/FTXUI/examples_2component_2tab_horizontal_8cpp-example.html):
|
||||
|
||||
![ezgif com-gif-maker (2)](https://user-images.githubusercontent.com/4759106/147250217-fe447e0f-7a99-4e08-948a-995087d9b40e.gif)
|
||||
|
||||
|
||||
## ResizableSplit::{Left, Right, Top, Bottom} {#component-resizable-split}
|
||||
|
||||
[Example](https://arthursonzogni.github.io/FTXUI/examples_2component_2resizable_split_8cpp-example.html):
|
||||
|
||||
![ezgif com-gif-maker](https://user-images.githubusercontent.com/4759106/147248372-c55512fe-9b96-4b08-a1df-d05cf2cae431.gif)
|
||||
|
||||
Produced by:
|
||||
- `ftxui::ResizableSplitLeft()`
|
||||
@ -483,7 +780,7 @@ mouse.
|
||||
<script id="asciicast-tprMH2EdkUoMb7D2YxgMGgpzx" src="https://asciinema.org/a/tprMH2EdkUoMb7D2YxgMGgpzx.js" async></script>
|
||||
@endhtmlonly
|
||||
|
||||
## Force a frame redraw.
|
||||
## Force a frame redraw. {#component-force-redraw}
|
||||
|
||||
Whenever a new group of events have been processed: keyboard, mouse, window
|
||||
resize, etc..., the `ftxui::ScreenInteractive::Loop()` is responsible for
|
||||
|
Loading…
Reference in New Issue
Block a user