mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2025-09-28 16:29:34 +08:00
Remove input.hpp
This commit is contained in:
ArthurSonzogni
committed by
Arthur Sonzogni
Arthur Sonzogni
parent
7ee6edfd1f
commit
26db8228f9
@@ -3,13 +3,166 @@
|
||||
#include <string> // for wstring, allocator, basic_string
|
||||
|
||||
#include "ftxui/component/captured_mouse.hpp" // for CapturedMouse
|
||||
#include "ftxui/component/component.hpp" // for Component
|
||||
#include "ftxui/component/component_base.hpp" // for Component
|
||||
#include "ftxui/component/event.hpp" // for Event, Event::ArrowLeft, Event::ArrowRight, Event::Backspace, Event::Custom, Event::Delete, Event::End, Event::Home, Event::Return
|
||||
#include "ftxui/component/input.hpp"
|
||||
#include "ftxui/component/mouse.hpp" // for Mouse, Mouse::Left, Mouse::Pressed
|
||||
#include "ftxui/component/screen_interactive.hpp" // for Component
|
||||
#include "ftxui/util/ref.hpp" // for Component
|
||||
|
||||
namespace ftxui {
|
||||
|
||||
/// @brief An input box. The user can type text into it.
|
||||
/// @ingroup component.
|
||||
class InputBase : public ComponentBase {
|
||||
public:
|
||||
InputBase(StringRef content,
|
||||
ConstStringRef placeholder,
|
||||
Ref<InputOption> option)
|
||||
: content_(content), placeholder_(placeholder), option_(option) {}
|
||||
~InputBase() override = default;
|
||||
|
||||
int& cursor_position() { return *(option_->cursor_position); }
|
||||
|
||||
// Component implementation:
|
||||
Element Render() override {
|
||||
cursor_position() =
|
||||
std::max(0, std::min<int>(content_->size(), cursor_position()));
|
||||
auto main_decorator = flex | size(HEIGHT, EQUAL, 1);
|
||||
bool is_focused = Focused();
|
||||
|
||||
// placeholder.
|
||||
if (content_->size() == 0) {
|
||||
if (is_focused)
|
||||
return text(*placeholder_) | focus | dim | inverted | main_decorator |
|
||||
reflect(input_box_);
|
||||
else
|
||||
return text(*placeholder_) | dim | main_decorator | reflect(input_box_);
|
||||
}
|
||||
|
||||
// Not focused.
|
||||
if (!is_focused)
|
||||
return text(*content_) | main_decorator | reflect(input_box_);
|
||||
|
||||
std::wstring part_before_cursor = content_->substr(0, cursor_position());
|
||||
std::wstring part_at_cursor = cursor_position() < (int)content_->size()
|
||||
? content_->substr(cursor_position(), 1)
|
||||
: L" ";
|
||||
std::wstring part_after_cursor =
|
||||
cursor_position() < (int)content_->size() - 1
|
||||
? content_->substr(cursor_position() + 1)
|
||||
: L"";
|
||||
auto focused = is_focused ? focus : select;
|
||||
|
||||
// clang-format off
|
||||
return
|
||||
hbox(
|
||||
text(part_before_cursor),
|
||||
text(part_at_cursor) | underlined | focused | reflect(cursor_box_),
|
||||
text(part_after_cursor)
|
||||
) | flex | inverted | frame | main_decorator | reflect(input_box_);
|
||||
// clang-format on
|
||||
}
|
||||
|
||||
bool OnEvent(Event event) override {
|
||||
cursor_position() =
|
||||
std::max(0, std::min<int>(content_->size(), cursor_position()));
|
||||
|
||||
if (event.is_mouse())
|
||||
return OnMouseEvent(event);
|
||||
|
||||
std::wstring c;
|
||||
|
||||
// Backspace.
|
||||
if (event == Event::Backspace) {
|
||||
if (cursor_position() == 0)
|
||||
return false;
|
||||
content_->erase(cursor_position() - 1, 1);
|
||||
cursor_position()--;
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Delete
|
||||
if (event == Event::Delete) {
|
||||
if (cursor_position() == int(content_->size()))
|
||||
return false;
|
||||
content_->erase(cursor_position(), 1);
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Enter.
|
||||
if (event == Event::Return) {
|
||||
option_->on_enter();
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::Custom) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (event == Event::ArrowLeft && cursor_position() > 0) {
|
||||
cursor_position()--;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::ArrowRight &&
|
||||
cursor_position() < (int)content_->size()) {
|
||||
cursor_position()++;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::Home) {
|
||||
cursor_position() = 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::End) {
|
||||
cursor_position() = (int)content_->size();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Content
|
||||
if (event.is_character()) {
|
||||
content_->insert(cursor_position(), 1, event.character());
|
||||
cursor_position()++;
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private:
|
||||
bool OnMouseEvent(Event event) {
|
||||
if (!CaptureMouse(event))
|
||||
return false;
|
||||
if (!input_box_.Contain(event.mouse().x, event.mouse().y))
|
||||
return false;
|
||||
|
||||
TakeFocus();
|
||||
|
||||
if (event.mouse().button == Mouse::Left &&
|
||||
event.mouse().motion == Mouse::Pressed) {
|
||||
int new_cursor_position =
|
||||
cursor_position() + event.mouse().x - cursor_box_.x_min;
|
||||
new_cursor_position =
|
||||
std::max(0, std::min<int>(content_->size(), new_cursor_position));
|
||||
if (cursor_position() != new_cursor_position) {
|
||||
cursor_position() = new_cursor_position;
|
||||
option_->on_change();
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
StringRef content_;
|
||||
ConstStringRef placeholder_;
|
||||
|
||||
Box input_box_;
|
||||
Box cursor_box_;
|
||||
Ref<InputOption> option_;
|
||||
};
|
||||
|
||||
/// @brief An input box for editing text.
|
||||
/// @param content The editable content.
|
||||
/// @param placeholder The text displayed when content is still empty.
|
||||
@@ -33,149 +186,10 @@ namespace ftxui {
|
||||
/// ```
|
||||
Component Input(StringRef content,
|
||||
ConstStringRef placeholder,
|
||||
ConstRef<InputOption> option) {
|
||||
Ref<InputOption> option) {
|
||||
return Make<InputBase>(content, placeholder, std::move(option));
|
||||
}
|
||||
|
||||
// static
|
||||
InputBase* InputBase::From(Component component) {
|
||||
return static_cast<InputBase*>(component.get());
|
||||
}
|
||||
|
||||
InputBase::InputBase(StringRef content,
|
||||
ConstStringRef placeholder,
|
||||
ConstRef<InputOption> option)
|
||||
: content_(content), placeholder_(placeholder), option_(option) {}
|
||||
|
||||
// Component implementation.
|
||||
Element InputBase::Render() {
|
||||
cursor_position =
|
||||
std::max(0, std::min<int>(content_->size(), cursor_position));
|
||||
auto main_decorator = flex | size(HEIGHT, EQUAL, 1);
|
||||
bool is_focused = Focused();
|
||||
|
||||
// placeholder.
|
||||
if (content_->size() == 0) {
|
||||
if (is_focused)
|
||||
return text(*placeholder_) | focus | dim | inverted | main_decorator |
|
||||
reflect(input_box_);
|
||||
else
|
||||
return text(*placeholder_) | dim | main_decorator | reflect(input_box_);
|
||||
}
|
||||
|
||||
// Not focused.
|
||||
if (!is_focused)
|
||||
return text(*content_) | main_decorator | reflect(input_box_);
|
||||
|
||||
std::wstring part_before_cursor = content_->substr(0, cursor_position);
|
||||
std::wstring part_at_cursor = cursor_position < (int)content_->size()
|
||||
? content_->substr(cursor_position, 1)
|
||||
: L" ";
|
||||
std::wstring part_after_cursor = cursor_position < (int)content_->size() - 1
|
||||
? content_->substr(cursor_position + 1)
|
||||
: L"";
|
||||
auto focused = is_focused ? focus : select;
|
||||
|
||||
// clang-format off
|
||||
return
|
||||
hbox(
|
||||
text(part_before_cursor),
|
||||
text(part_at_cursor) | underlined | focused | reflect(cursor_box_),
|
||||
text(part_after_cursor)
|
||||
) | flex | inverted | frame | main_decorator | reflect(input_box_);
|
||||
// clang-format on
|
||||
}
|
||||
|
||||
bool InputBase::OnEvent(Event event) {
|
||||
cursor_position =
|
||||
std::max(0, std::min<int>(content_->size(), cursor_position));
|
||||
|
||||
if (event.is_mouse())
|
||||
return OnMouseEvent(event);
|
||||
|
||||
std::wstring c;
|
||||
|
||||
// Backspace.
|
||||
if (event == Event::Backspace) {
|
||||
if (cursor_position == 0)
|
||||
return false;
|
||||
content_->erase(cursor_position - 1, 1);
|
||||
cursor_position--;
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Delete
|
||||
if (event == Event::Delete) {
|
||||
if (cursor_position == int(content_->size()))
|
||||
return false;
|
||||
content_->erase(cursor_position, 1);
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Enter.
|
||||
if (event == Event::Return) {
|
||||
option_->on_enter();
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::Custom) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (event == Event::ArrowLeft && cursor_position > 0) {
|
||||
cursor_position--;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::ArrowRight && cursor_position < (int)content_->size()) {
|
||||
cursor_position++;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::Home) {
|
||||
cursor_position = 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if (event == Event::End) {
|
||||
cursor_position = (int)content_->size();
|
||||
return true;
|
||||
}
|
||||
|
||||
// Content
|
||||
if (event.is_character()) {
|
||||
content_->insert(cursor_position, 1, event.character());
|
||||
cursor_position++;
|
||||
option_->on_change();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool InputBase::OnMouseEvent(Event event) {
|
||||
if (!CaptureMouse(event))
|
||||
return false;
|
||||
if (!input_box_.Contain(event.mouse().x, event.mouse().y))
|
||||
return false;
|
||||
|
||||
TakeFocus();
|
||||
|
||||
if (event.mouse().button == Mouse::Left &&
|
||||
event.mouse().motion == Mouse::Pressed) {
|
||||
int new_cursor_position =
|
||||
cursor_position + event.mouse().x - cursor_box_.x_min;
|
||||
new_cursor_position =
|
||||
std::max(0, std::min<int>(content_->size(), new_cursor_position));
|
||||
if (cursor_position != new_cursor_position) {
|
||||
cursor_position = new_cursor_position;
|
||||
option_->on_change();
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace ftxui
|
||||
|
||||
// Copyright 2020 Arthur Sonzogni. All rights reserved.
|
||||
|
||||
Reference in New Issue
Block a user