mirror of
https://github.com/eliasstepanik/imgui-rs.git
synced 2026-01-11 21:48:36 +00:00
Update key handling to be event-based
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dbr
parent
09a83bac6c
commit
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@ -24,6 +24,123 @@ use sdl2::{
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EventPump,
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};
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/// Handle changes in the key states.
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fn handle_key(io: &mut Io, key: &Scancode, pressed: bool) {
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let igkey = match key {
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Scancode::A => imgui::Key::A,
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Scancode::B => imgui::Key::B,
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Scancode::C => imgui::Key::C,
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Scancode::D => imgui::Key::D,
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Scancode::E => imgui::Key::E,
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Scancode::F => imgui::Key::F,
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Scancode::G => imgui::Key::G,
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Scancode::H => imgui::Key::H,
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Scancode::I => imgui::Key::I,
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Scancode::J => imgui::Key::J,
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Scancode::K => imgui::Key::K,
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Scancode::L => imgui::Key::L,
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Scancode::M => imgui::Key::M,
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Scancode::N => imgui::Key::N,
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Scancode::O => imgui::Key::O,
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Scancode::P => imgui::Key::P,
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Scancode::Q => imgui::Key::Q,
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Scancode::R => imgui::Key::R,
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Scancode::S => imgui::Key::S,
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Scancode::T => imgui::Key::T,
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Scancode::U => imgui::Key::U,
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Scancode::V => imgui::Key::V,
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Scancode::W => imgui::Key::W,
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Scancode::X => imgui::Key::X,
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Scancode::Y => imgui::Key::Y,
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Scancode::Z => imgui::Key::Z,
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Scancode::Num1 => imgui::Key::Keypad1,
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Scancode::Num2 => imgui::Key::Keypad2,
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Scancode::Num3 => imgui::Key::Keypad3,
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Scancode::Num4 => imgui::Key::Keypad4,
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Scancode::Num5 => imgui::Key::Keypad5,
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Scancode::Num6 => imgui::Key::Keypad6,
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Scancode::Num7 => imgui::Key::Keypad7,
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Scancode::Num8 => imgui::Key::Keypad8,
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Scancode::Num9 => imgui::Key::Keypad9,
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Scancode::Num0 => imgui::Key::Keypad0,
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Scancode::Return => imgui::Key::Enter, // TODO: Should this be treated as alias?
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Scancode::Escape => imgui::Key::Escape,
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Scancode::Backspace => imgui::Key::Backspace,
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Scancode::Tab => imgui::Key::Tab,
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Scancode::Space => imgui::Key::Space,
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Scancode::Minus => imgui::Key::Minus,
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Scancode::Equals => imgui::Key::Equal,
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Scancode::LeftBracket => imgui::Key::LeftBracket,
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Scancode::RightBracket => imgui::Key::RightBracket,
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Scancode::Backslash => imgui::Key::Backslash,
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Scancode::Semicolon => imgui::Key::Semicolon,
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Scancode::Apostrophe => imgui::Key::Apostrophe,
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Scancode::Grave => imgui::Key::GraveAccent,
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Scancode::Comma => imgui::Key::Comma,
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Scancode::Period => imgui::Key::Period,
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Scancode::Slash => imgui::Key::Slash,
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Scancode::CapsLock => imgui::Key::CapsLock,
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Scancode::F1 => imgui::Key::F1,
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Scancode::F2 => imgui::Key::F2,
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Scancode::F3 => imgui::Key::F3,
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Scancode::F4 => imgui::Key::F4,
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Scancode::F5 => imgui::Key::F5,
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Scancode::F6 => imgui::Key::F6,
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Scancode::F7 => imgui::Key::F7,
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Scancode::F8 => imgui::Key::F8,
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Scancode::F9 => imgui::Key::F9,
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Scancode::F10 => imgui::Key::F10,
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Scancode::F11 => imgui::Key::F11,
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Scancode::F12 => imgui::Key::F12,
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Scancode::PrintScreen => imgui::Key::PrintScreen,
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Scancode::ScrollLock => imgui::Key::ScrollLock,
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Scancode::Pause => imgui::Key::Pause,
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Scancode::Insert => imgui::Key::Insert,
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Scancode::Home => imgui::Key::Home,
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Scancode::PageUp => imgui::Key::PageUp,
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Scancode::Delete => imgui::Key::Delete,
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Scancode::End => imgui::Key::End,
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Scancode::PageDown => imgui::Key::PageDown,
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Scancode::Right => imgui::Key::RightArrow,
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Scancode::Left => imgui::Key::LeftArrow,
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Scancode::Down => imgui::Key::DownArrow,
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Scancode::Up => imgui::Key::UpArrow,
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Scancode::KpDivide => imgui::Key::KeypadDivide,
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Scancode::KpMultiply => imgui::Key::KeypadMultiply,
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Scancode::KpMinus => imgui::Key::KeypadSubtract,
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Scancode::KpPlus => imgui::Key::KeypadAdd,
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Scancode::KpEnter => imgui::Key::KeypadEnter,
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Scancode::Kp1 => imgui::Key::Keypad1,
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Scancode::Kp2 => imgui::Key::Keypad2,
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Scancode::Kp3 => imgui::Key::Keypad3,
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Scancode::Kp4 => imgui::Key::Keypad4,
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Scancode::Kp5 => imgui::Key::Keypad5,
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Scancode::Kp6 => imgui::Key::Keypad6,
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Scancode::Kp7 => imgui::Key::Keypad7,
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Scancode::Kp8 => imgui::Key::Keypad8,
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Scancode::Kp9 => imgui::Key::Keypad9,
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Scancode::Kp0 => imgui::Key::Keypad0,
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Scancode::KpPeriod => imgui::Key::KeypadDecimal,
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Scancode::Application => imgui::Key::Menu,
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Scancode::KpEquals => imgui::Key::KeypadEqual,
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Scancode::Menu => imgui::Key::Menu,
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Scancode::LCtrl => imgui::Key::LeftCtrl,
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Scancode::LShift => imgui::Key::LeftShift,
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Scancode::LAlt => imgui::Key::LeftAlt,
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Scancode::LGui => imgui::Key::LeftSuper,
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Scancode::RCtrl => imgui::Key::RightCtrl,
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Scancode::RShift => imgui::Key::RightShift,
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Scancode::RAlt => imgui::Key::RightAlt,
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Scancode::RGui => imgui::Key::RightSuper,
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_ => {
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// Ignore unknown keys
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return;
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}
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};
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io.add_key_event(igkey, pressed);
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}
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/// Handle changes in the key modifier states.
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fn handle_key_modifier(io: &mut Io, keymod: &Mod) {
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io.key_shift = keymod.intersects(Mod::LSHIFTMOD | Mod::RSHIFTMOD);
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@ -95,29 +212,6 @@ impl SdlPlatform {
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io.backend_flags.insert(BackendFlags::HAS_MOUSE_CURSORS);
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io.backend_flags.insert(BackendFlags::HAS_SET_MOUSE_POS);
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io[Key::Tab] = Scancode::Tab as _;
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io[Key::LeftArrow] = Scancode::Left as _;
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io[Key::RightArrow] = Scancode::Right as _;
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io[Key::UpArrow] = Scancode::Up as _;
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io[Key::DownArrow] = Scancode::Down as _;
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io[Key::PageUp] = Scancode::PageUp as _;
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io[Key::PageDown] = Scancode::PageDown as _;
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io[Key::Home] = Scancode::Home as _;
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io[Key::End] = Scancode::End as _;
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io[Key::Insert] = Scancode::Insert as _;
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io[Key::Delete] = Scancode::Delete as _;
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io[Key::Backspace] = Scancode::Backspace as _;
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io[Key::Space] = Scancode::Space as _;
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io[Key::Enter] = Scancode::Return as _;
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io[Key::Escape] = Scancode::Escape as _;
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io[Key::KeypadEnter] = Scancode::KpEnter as _;
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io[Key::A] = Scancode::A as _;
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io[Key::C] = Scancode::C as _;
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io[Key::V] = Scancode::V as _;
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io[Key::X] = Scancode::X as _;
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io[Key::Y] = Scancode::Y as _;
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io[Key::Z] = Scancode::Z as _;
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imgui.set_platform_name(Some(format!(
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"imgui-sdl2-support {}",
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env!("CARGO_PKG_VERSION")
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@ -164,8 +258,8 @@ impl SdlPlatform {
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keymod,
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..
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} => {
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io.keys_down[key as usize] = true;
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handle_key_modifier(io, &keymod);
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handle_key(io, &key, true);
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true
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}
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@ -174,8 +268,8 @@ impl SdlPlatform {
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keymod,
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..
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} => {
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io.keys_down[key as usize] = false;
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handle_key_modifier(io, &keymod);
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handle_key(io, &key, false);
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true
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}
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