5a0bc016e7
* Added support for F16-F19 keys. * Documented support for F16-F19 keys * Added support for F20 key * Added support for F21-F24 on platforms except macOs * Added support for F21-F24 on macOs * Documented addition of F16-F24 keys * Added missing ref qualifier * Fixed compilation error on 1.24.1 * Refactored methods in macOs events_loop and view files
267 lines
13 KiB
Rust
267 lines
13 KiB
Rust
use std::char;
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use std::os::raw::c_int;
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use events::VirtualKeyCode;
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use events::ModifiersState;
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use winapi::shared::minwindef::{WPARAM, LPARAM, UINT};
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use winapi::um::winuser;
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use ScanCode;
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pub fn get_key_mods() -> ModifiersState {
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let mut mods = ModifiersState::default();
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unsafe {
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if winuser::GetKeyState(winuser::VK_SHIFT) & (1 << 15) == (1 << 15) {
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mods.shift = true;
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}
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if winuser::GetKeyState(winuser::VK_CONTROL) & (1 << 15) == (1 << 15) {
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mods.ctrl = true;
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}
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if winuser::GetKeyState(winuser::VK_MENU) & (1 << 15) == (1 << 15) {
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mods.alt = true;
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}
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if (winuser::GetKeyState(winuser::VK_LWIN) | winuser::GetKeyState(winuser::VK_RWIN)) & (1 << 15) == (1 << 15) {
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mods.logo = true;
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}
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}
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mods
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}
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pub fn vkey_to_winit_vkey(vkey: c_int) -> Option<VirtualKeyCode> {
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// VK_* codes are documented here https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx
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match vkey {
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//winuser::VK_LBUTTON => Some(VirtualKeyCode::Lbutton),
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//winuser::VK_RBUTTON => Some(VirtualKeyCode::Rbutton),
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//winuser::VK_CANCEL => Some(VirtualKeyCode::Cancel),
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//winuser::VK_MBUTTON => Some(VirtualKeyCode::Mbutton),
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//winuser::VK_XBUTTON1 => Some(VirtualKeyCode::Xbutton1),
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//winuser::VK_XBUTTON2 => Some(VirtualKeyCode::Xbutton2),
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winuser::VK_BACK => Some(VirtualKeyCode::Back),
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winuser::VK_TAB => Some(VirtualKeyCode::Tab),
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//winuser::VK_CLEAR => Some(VirtualKeyCode::Clear),
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winuser::VK_RETURN => Some(VirtualKeyCode::Return),
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winuser::VK_LSHIFT => Some(VirtualKeyCode::LShift),
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winuser::VK_RSHIFT => Some(VirtualKeyCode::RShift),
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winuser::VK_LCONTROL => Some(VirtualKeyCode::LControl),
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winuser::VK_RCONTROL => Some(VirtualKeyCode::RControl),
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winuser::VK_LMENU => Some(VirtualKeyCode::LAlt),
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winuser::VK_RMENU => Some(VirtualKeyCode::RAlt),
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winuser::VK_PAUSE => Some(VirtualKeyCode::Pause),
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winuser::VK_CAPITAL => Some(VirtualKeyCode::Capital),
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winuser::VK_KANA => Some(VirtualKeyCode::Kana),
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//winuser::VK_HANGUEL => Some(VirtualKeyCode::Hanguel),
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//winuser::VK_HANGUL => Some(VirtualKeyCode::Hangul),
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//winuser::VK_JUNJA => Some(VirtualKeyCode::Junja),
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//winuser::VK_FINAL => Some(VirtualKeyCode::Final),
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//winuser::VK_HANJA => Some(VirtualKeyCode::Hanja),
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winuser::VK_KANJI => Some(VirtualKeyCode::Kanji),
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winuser::VK_ESCAPE => Some(VirtualKeyCode::Escape),
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winuser::VK_CONVERT => Some(VirtualKeyCode::Convert),
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winuser::VK_NONCONVERT => Some(VirtualKeyCode::NoConvert),
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//winuser::VK_ACCEPT => Some(VirtualKeyCode::Accept),
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//winuser::VK_MODECHANGE => Some(VirtualKeyCode::Modechange),
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winuser::VK_SPACE => Some(VirtualKeyCode::Space),
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winuser::VK_PRIOR => Some(VirtualKeyCode::PageUp),
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winuser::VK_NEXT => Some(VirtualKeyCode::PageDown),
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winuser::VK_END => Some(VirtualKeyCode::End),
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winuser::VK_HOME => Some(VirtualKeyCode::Home),
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winuser::VK_LEFT => Some(VirtualKeyCode::Left),
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winuser::VK_UP => Some(VirtualKeyCode::Up),
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winuser::VK_RIGHT => Some(VirtualKeyCode::Right),
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winuser::VK_DOWN => Some(VirtualKeyCode::Down),
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//winuser::VK_SELECT => Some(VirtualKeyCode::Select),
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//winuser::VK_PRINT => Some(VirtualKeyCode::Print),
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//winuser::VK_EXECUTE => Some(VirtualKeyCode::Execute),
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winuser::VK_SNAPSHOT => Some(VirtualKeyCode::Snapshot),
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winuser::VK_INSERT => Some(VirtualKeyCode::Insert),
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winuser::VK_DELETE => Some(VirtualKeyCode::Delete),
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//winuser::VK_HELP => Some(VirtualKeyCode::Help),
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0x30 => Some(VirtualKeyCode::Key0),
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0x31 => Some(VirtualKeyCode::Key1),
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0x32 => Some(VirtualKeyCode::Key2),
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0x33 => Some(VirtualKeyCode::Key3),
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0x34 => Some(VirtualKeyCode::Key4),
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0x35 => Some(VirtualKeyCode::Key5),
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0x36 => Some(VirtualKeyCode::Key6),
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0x37 => Some(VirtualKeyCode::Key7),
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0x38 => Some(VirtualKeyCode::Key8),
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0x39 => Some(VirtualKeyCode::Key9),
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0x41 => Some(VirtualKeyCode::A),
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0x42 => Some(VirtualKeyCode::B),
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0x43 => Some(VirtualKeyCode::C),
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0x44 => Some(VirtualKeyCode::D),
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0x45 => Some(VirtualKeyCode::E),
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0x46 => Some(VirtualKeyCode::F),
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0x47 => Some(VirtualKeyCode::G),
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0x48 => Some(VirtualKeyCode::H),
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0x49 => Some(VirtualKeyCode::I),
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0x4A => Some(VirtualKeyCode::J),
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0x4B => Some(VirtualKeyCode::K),
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0x4C => Some(VirtualKeyCode::L),
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0x4D => Some(VirtualKeyCode::M),
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0x4E => Some(VirtualKeyCode::N),
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0x4F => Some(VirtualKeyCode::O),
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0x50 => Some(VirtualKeyCode::P),
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0x51 => Some(VirtualKeyCode::Q),
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0x52 => Some(VirtualKeyCode::R),
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0x53 => Some(VirtualKeyCode::S),
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0x54 => Some(VirtualKeyCode::T),
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0x55 => Some(VirtualKeyCode::U),
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0x56 => Some(VirtualKeyCode::V),
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0x57 => Some(VirtualKeyCode::W),
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0x58 => Some(VirtualKeyCode::X),
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0x59 => Some(VirtualKeyCode::Y),
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0x5A => Some(VirtualKeyCode::Z),
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//winuser::VK_LWIN => Some(VirtualKeyCode::Lwin),
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//winuser::VK_RWIN => Some(VirtualKeyCode::Rwin),
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winuser::VK_APPS => Some(VirtualKeyCode::Apps),
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winuser::VK_SLEEP => Some(VirtualKeyCode::Sleep),
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winuser::VK_NUMPAD0 => Some(VirtualKeyCode::Numpad0),
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winuser::VK_NUMPAD1 => Some(VirtualKeyCode::Numpad1),
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winuser::VK_NUMPAD2 => Some(VirtualKeyCode::Numpad2),
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winuser::VK_NUMPAD3 => Some(VirtualKeyCode::Numpad3),
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winuser::VK_NUMPAD4 => Some(VirtualKeyCode::Numpad4),
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winuser::VK_NUMPAD5 => Some(VirtualKeyCode::Numpad5),
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winuser::VK_NUMPAD6 => Some(VirtualKeyCode::Numpad6),
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winuser::VK_NUMPAD7 => Some(VirtualKeyCode::Numpad7),
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winuser::VK_NUMPAD8 => Some(VirtualKeyCode::Numpad8),
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winuser::VK_NUMPAD9 => Some(VirtualKeyCode::Numpad9),
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winuser::VK_MULTIPLY => Some(VirtualKeyCode::Multiply),
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winuser::VK_ADD => Some(VirtualKeyCode::Add),
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//winuser::VK_SEPARATOR => Some(VirtualKeyCode::Separator),
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winuser::VK_SUBTRACT => Some(VirtualKeyCode::Subtract),
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winuser::VK_DECIMAL => Some(VirtualKeyCode::Decimal),
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winuser::VK_DIVIDE => Some(VirtualKeyCode::Divide),
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winuser::VK_F1 => Some(VirtualKeyCode::F1),
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winuser::VK_F2 => Some(VirtualKeyCode::F2),
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winuser::VK_F3 => Some(VirtualKeyCode::F3),
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winuser::VK_F4 => Some(VirtualKeyCode::F4),
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winuser::VK_F5 => Some(VirtualKeyCode::F5),
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winuser::VK_F6 => Some(VirtualKeyCode::F6),
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winuser::VK_F7 => Some(VirtualKeyCode::F7),
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winuser::VK_F8 => Some(VirtualKeyCode::F8),
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winuser::VK_F9 => Some(VirtualKeyCode::F9),
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winuser::VK_F10 => Some(VirtualKeyCode::F10),
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winuser::VK_F11 => Some(VirtualKeyCode::F11),
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winuser::VK_F12 => Some(VirtualKeyCode::F12),
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winuser::VK_F13 => Some(VirtualKeyCode::F13),
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winuser::VK_F14 => Some(VirtualKeyCode::F14),
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winuser::VK_F15 => Some(VirtualKeyCode::F15),
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winuser::VK_F16 => Some(VirtualKeyCode::F16),
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winuser::VK_F17 => Some(VirtualKeyCode::F17),
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winuser::VK_F18 => Some(VirtualKeyCode::F18),
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winuser::VK_F19 => Some(VirtualKeyCode::F19),
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winuser::VK_F20 => Some(VirtualKeyCode::F20),
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winuser::VK_F21 => Some(VirtualKeyCode::F21),
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winuser::VK_F22 => Some(VirtualKeyCode::F22),
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winuser::VK_F23 => Some(VirtualKeyCode::F23),
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winuser::VK_F24 => Some(VirtualKeyCode::F24),
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winuser::VK_NUMLOCK => Some(VirtualKeyCode::Numlock),
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winuser::VK_SCROLL => Some(VirtualKeyCode::Scroll),
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winuser::VK_BROWSER_BACK => Some(VirtualKeyCode::NavigateBackward),
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winuser::VK_BROWSER_FORWARD => Some(VirtualKeyCode::NavigateForward),
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winuser::VK_BROWSER_REFRESH => Some(VirtualKeyCode::WebRefresh),
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winuser::VK_BROWSER_STOP => Some(VirtualKeyCode::WebStop),
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winuser::VK_BROWSER_SEARCH => Some(VirtualKeyCode::WebSearch),
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winuser::VK_BROWSER_FAVORITES => Some(VirtualKeyCode::WebFavorites),
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winuser::VK_BROWSER_HOME => Some(VirtualKeyCode::WebHome),
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winuser::VK_VOLUME_MUTE => Some(VirtualKeyCode::Mute),
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winuser::VK_VOLUME_DOWN => Some(VirtualKeyCode::VolumeDown),
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winuser::VK_VOLUME_UP => Some(VirtualKeyCode::VolumeUp),
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winuser::VK_MEDIA_NEXT_TRACK => Some(VirtualKeyCode::NextTrack),
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winuser::VK_MEDIA_PREV_TRACK => Some(VirtualKeyCode::PrevTrack),
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winuser::VK_MEDIA_STOP => Some(VirtualKeyCode::MediaStop),
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winuser::VK_MEDIA_PLAY_PAUSE => Some(VirtualKeyCode::PlayPause),
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winuser::VK_LAUNCH_MAIL => Some(VirtualKeyCode::Mail),
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winuser::VK_LAUNCH_MEDIA_SELECT => Some(VirtualKeyCode::MediaSelect),
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/*winuser::VK_LAUNCH_APP1 => Some(VirtualKeyCode::Launch_app1),
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winuser::VK_LAUNCH_APP2 => Some(VirtualKeyCode::Launch_app2),*/
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winuser::VK_OEM_PLUS => Some(VirtualKeyCode::Equals),
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winuser::VK_OEM_COMMA => Some(VirtualKeyCode::Comma),
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winuser::VK_OEM_MINUS => Some(VirtualKeyCode::Minus),
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winuser::VK_OEM_PERIOD => Some(VirtualKeyCode::Period),
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winuser::VK_OEM_1 => map_text_keys(vkey),
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winuser::VK_OEM_2 => map_text_keys(vkey),
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winuser::VK_OEM_3 => map_text_keys(vkey),
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winuser::VK_OEM_4 => map_text_keys(vkey),
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winuser::VK_OEM_5 => map_text_keys(vkey),
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winuser::VK_OEM_6 => map_text_keys(vkey),
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winuser::VK_OEM_7 => map_text_keys(vkey),
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/*winuser::VK_OEM_8 => Some(VirtualKeyCode::Oem_8), */
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winuser::VK_OEM_102 => Some(VirtualKeyCode::OEM102),
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/*winuser::VK_PROCESSKEY => Some(VirtualKeyCode::Processkey),
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winuser::VK_PACKET => Some(VirtualKeyCode::Packet),
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winuser::VK_ATTN => Some(VirtualKeyCode::Attn),
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winuser::VK_CRSEL => Some(VirtualKeyCode::Crsel),
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winuser::VK_EXSEL => Some(VirtualKeyCode::Exsel),
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winuser::VK_EREOF => Some(VirtualKeyCode::Ereof),
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winuser::VK_PLAY => Some(VirtualKeyCode::Play),
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winuser::VK_ZOOM => Some(VirtualKeyCode::Zoom),
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winuser::VK_NONAME => Some(VirtualKeyCode::Noname),
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winuser::VK_PA1 => Some(VirtualKeyCode::Pa1),
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winuser::VK_OEM_CLEAR => Some(VirtualKeyCode::Oem_clear),*/
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_ => None
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}
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}
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pub fn handle_extended_keys(vkey: c_int, mut scancode: UINT, extended: bool) -> Option<(c_int, UINT)> {
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// Welcome to hell https://blog.molecular-matters.com/2011/09/05/properly-handling-keyboard-input/
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let vkey = match vkey {
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winuser::VK_SHIFT => unsafe { winuser::MapVirtualKeyA(
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scancode,
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winuser::MAPVK_VSC_TO_VK_EX,
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) as _ },
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winuser::VK_CONTROL => if extended {
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winuser::VK_RCONTROL
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} else {
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winuser::VK_LCONTROL
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},
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winuser::VK_MENU => if extended {
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winuser::VK_RMENU
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} else {
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winuser::VK_LMENU
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},
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_ => match scancode {
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// This is only triggered when using raw input. Without this check, we get two events whenever VK_PAUSE is
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// pressed, the first one having scancode 0x1D but vkey VK_PAUSE...
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0x1D if vkey == winuser::VK_PAUSE => return None,
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// ...and the second having scancode 0x45 but an unmatched vkey!
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0x45 => winuser::VK_PAUSE,
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// VK_PAUSE and VK_SCROLL have the same scancode when using modifiers, alongside incorrect vkey values.
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0x46 => {
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if extended {
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scancode = 0x45;
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winuser::VK_PAUSE
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} else {
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winuser::VK_SCROLL
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}
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},
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_ => vkey,
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},
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};
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Some((vkey, scancode))
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}
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pub fn process_key_params(wparam: WPARAM, lparam: LPARAM) -> Option<(ScanCode, Option<VirtualKeyCode>)> {
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let scancode = ((lparam >> 16) & 0xff) as UINT;
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let extended = (lparam & 0x01000000) != 0;
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handle_extended_keys(wparam as _, scancode, extended)
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.map(|(vkey, scancode)| (scancode, vkey_to_winit_vkey(vkey)))
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}
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// This is needed as windows doesn't properly distinguish
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// some virtual key codes for different keyboard layouts
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fn map_text_keys(win_virtual_key: i32) -> Option<VirtualKeyCode> {
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let char_key = unsafe { winuser::MapVirtualKeyA(win_virtual_key as u32, winuser::MAPVK_VK_TO_CHAR) } & 0x7FFF;
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match char::from_u32(char_key) {
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Some(';') => Some(VirtualKeyCode::Semicolon),
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Some('/') => Some(VirtualKeyCode::Slash),
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Some('`') => Some(VirtualKeyCode::Grave),
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Some('[') => Some(VirtualKeyCode::LBracket),
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Some(']') => Some(VirtualKeyCode::RBracket),
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Some('\'') => Some(VirtualKeyCode::Apostrophe),
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Some('\\') => Some(VirtualKeyCode::Backslash),
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_ => None
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}
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}
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