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Ignore mouse events without any button state changes (#343)

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This commit is contained in:
Henry Sloan
2021-08-11 22:26:46 -07:00
committed by Keavon Chambers
parent a828f38327
commit 0dda197d65
2 changed files with 12 additions and 6 deletions
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editor/src/input/input_preprocessor.rs
+11 -6
View File
@@ -57,11 +57,15 @@ impl MessageHandler<InputPreprocessorMessage, ()> for InputPreprocessor {
} }
InputPreprocessorMessage::MouseDown(state, modifier_keys) => { InputPreprocessorMessage::MouseDown(state, modifier_keys) => {
self.handle_modifier_keys(modifier_keys, responses); self.handle_modifier_keys(modifier_keys, responses);
responses.push_back(self.translate_mouse_event(state, KeyPosition::Pressed)); if let Some(message) = self.translate_mouse_event(state, KeyPosition::Pressed) {
responses.push_back(message);
}
} }
InputPreprocessorMessage::MouseUp(state, modifier_keys) => { InputPreprocessorMessage::MouseUp(state, modifier_keys) => {
self.handle_modifier_keys(modifier_keys, responses); self.handle_modifier_keys(modifier_keys, responses);
responses.push_back(self.translate_mouse_event(state, KeyPosition::Released)); if let Some(message) = self.translate_mouse_event(state, KeyPosition::Released) {
responses.push_back(message);
}
} }
InputPreprocessorMessage::KeyDown(key, modifier_keys) => { InputPreprocessorMessage::KeyDown(key, modifier_keys) => {
self.handle_modifier_keys(modifier_keys, responses); self.handle_modifier_keys(modifier_keys, responses);
@@ -92,7 +96,7 @@ impl MessageHandler<InputPreprocessorMessage, ()> for InputPreprocessor {
} }
impl InputPreprocessor { impl InputPreprocessor {
fn translate_mouse_event(&mut self, new_state: MouseState, position: KeyPosition) -> Message { fn translate_mouse_event(&mut self, new_state: MouseState, position: KeyPosition) -> Option<Message> {
// Calculate the difference between the two key states (binary xor) // Calculate the difference between the two key states (binary xor)
let diff = self.mouse.mouse_keys ^ new_state.mouse_keys; let diff = self.mouse.mouse_keys ^ new_state.mouse_keys;
self.mouse = new_state; self.mouse = new_state;
@@ -100,15 +104,16 @@ impl InputPreprocessor {
MouseKeys::LEFT => Key::Lmb, MouseKeys::LEFT => Key::Lmb,
MouseKeys::RIGHT => Key::Rmb, MouseKeys::RIGHT => Key::Rmb,
MouseKeys::MIDDLE => Key::Mmb, MouseKeys::MIDDLE => Key::Mmb,
MouseKeys::NONE => return None, // self.mouse.mouse_keys was invalid, e.g. when a drag began outside the client
_ => { _ => {
log::warn!("The number of buttons modified at the same time was not equal to 1. Modification: {:#010b}", diff); log::warn!("The number of buttons modified at the same time was greater than 1. Modification: {:#010b}", diff);
Key::UnknownKey Key::UnknownKey
} }
}; };
match position { Some(match position {
KeyPosition::Pressed => InputMapperMessage::KeyDown(key).into(), KeyPosition::Pressed => InputMapperMessage::KeyDown(key).into(),
KeyPosition::Released => InputMapperMessage::KeyUp(key).into(), KeyPosition::Released => InputMapperMessage::KeyUp(key).into(),
} })
} }
fn handle_modifier_keys(&mut self, modifier_keys: ModifierKeys, responses: &mut VecDeque<Message>) { fn handle_modifier_keys(&mut self, modifier_keys: ModifierKeys, responses: &mut VecDeque<Message>) {
editor/src/input/mouse.rs
+1
View File
@@ -58,5 +58,6 @@ bitflags! {
const LEFT = 0b0000_0001; const LEFT = 0b0000_0001;
const RIGHT = 0b0000_0010; const RIGHT = 0b0000_0010;
const MIDDLE = 0b0000_0100; const MIDDLE = 0b0000_0100;
const NONE = 0b0000_0000;
} }
} }