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Bug fixes. (#367)

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- Do not draw more frames than what is needed.
- Fix MenuEntry transform state.
- Fix Canvas animated example.
This commit is contained in:
Arthur Sonzogni
2022-03-26 07:55:52 +01:00
committed by GitHub
parent 548fa51b71
commit 62fb6298be
4 changed files with 58 additions and 57 deletions
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2
src/ftxui/component/menu.cpp
View File

@@ -512,9 +512,9 @@ Component MenuEntry(ConstStringRef label, Ref<MenuEntryOption> option) {
EntryState state = {
*label_,
false,
hovered_,
focused,
false,
};
Element element =

109
src/ftxui/component/screen_interactive.cpp
View File

@@ -485,63 +485,64 @@ void ScreenInteractive::Main(Component component) {
Clear();
};
draw();
bool attempt_draw = true;
while (!quit_) {
if (!task_receiver_->HasPending())
if (attempt_draw && !task_receiver_->HasPending()) {
draw();
bool continue_event_loop = true;
while (continue_event_loop) {
continue_event_loop = false;
Task task;
if (!task_receiver_->Receive(&task))
break;
std::visit(
[&](auto&& arg) {
using T = std::decay_t<decltype(arg)>;
// Handle Event.
if constexpr (std::is_same_v<T, Event>) {
if (arg.is_cursor_reporting()) {
cursor_x_ = arg.cursor_x();
cursor_y_ = arg.cursor_y();
return;
}
if (arg.is_mouse()) {
arg.mouse().x -= cursor_x_;
arg.mouse().y -= cursor_y_;
}
arg.screen_ = this;
component->OnEvent(arg);
}
// Handle callback
if constexpr (std::is_same_v<T, Closure>) {
arg();
return;
}
// Handle Animation
if constexpr (std::is_same_v<T, AnimationTask>) {
if (!animation_requested_) {
continue_event_loop = true;
return;
}
animation_requested_ = false;
animation::TimePoint now = animation::Clock::now();
animation::Duration delta = now - previous_animation_time;
previous_animation_time = now;
animation::Params params(delta);
component->OnAnimation(params);
}
},
task);
attempt_draw = false;
}
Task task;
if (!task_receiver_->Receive(&task))
break;
// clang-format off
std::visit([&](auto&& arg) {
using T = std::decay_t<decltype(arg)>;
// Handle Event.
if constexpr (std::is_same_v<T, Event>) {
if (arg.is_cursor_reporting()) {
cursor_x_ = arg.cursor_x();
cursor_y_ = arg.cursor_y();
return;
}
if (arg.is_mouse()) {
arg.mouse().x -= cursor_x_;
arg.mouse().y -= cursor_y_;
}
arg.screen_ = this;
component->OnEvent(arg);
attempt_draw = true;
return;
}
// Handle callback
if constexpr (std::is_same_v<T, Closure>) {
arg();
return;
}
// Handle Animation
if constexpr (std::is_same_v<T, AnimationTask>) {
if (!animation_requested_)
return;
animation_requested_ = false;
animation::TimePoint now = animation::Clock::now();
animation::Duration delta = now - previous_animation_time;
previous_animation_time = now;
animation::Params params(delta);
component->OnAnimation(params);
attempt_draw = true;
return;
}
},
task);
// clang-format on
}
}