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feat: Support mouse scroll. (#201)

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This commit is contained in:
Arthur Sonzogni
2021-09-08 09:36:37 +02:00
committed by GitHub
parent ed28bad02a
commit 4d50dadb41
12 changed files with 237 additions and 109 deletions
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19
src/ftxui/component/checkbox.cpp
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@@ -33,8 +33,12 @@ class CheckboxBase : public ComponentBase {
// Component implementation.
Element Render() override {
bool is_focused = Focused();
auto style = is_focused ? option_->style_focused : option_->style_unfocused;
auto focus_management = is_focused ? focus : *state_ ? select : nothing;
bool is_active = Active();
auto style = is_focused ? (hovered_ ? option_->style_selected_focused
: option_->style_selected)
: (hovered_ ? option_->style_focused
: option_->style_normal);
auto focus_management = is_focused ? focus : is_active ? select : nothing;
return hbox(text(*state_ ? option_->style_checked
: option_->style_unchecked),
text(*label_) | style | focus_management) |
@@ -45,6 +49,7 @@ class CheckboxBase : public ComponentBase {
if (event.is_mouse())
return OnMouseEvent(event);
hovered_ = false;
if (event == Event::Character(' ') || event == Event::Return) {
*state_ = !*state_;
option_->on_change();
@@ -54,12 +59,13 @@ class CheckboxBase : public ComponentBase {
}
bool OnMouseEvent(Event event) {
hovered_ = box_.Contain(event.mouse().x, event.mouse().y);
if (!CaptureMouse(event))
return false;
if (!box_.Contain(event.mouse().x, event.mouse().y))
return false;
TakeFocus();
if (!hovered_)
return false;
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Pressed) {
@@ -75,8 +81,9 @@ class CheckboxBase : public ComponentBase {
ConstStringRef label_;
bool* const state_;
Box box_;
bool hovered_ = false;
Ref<CheckboxOption> option_;
Box box_;
};
} // namespace