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author | Matthias Schiffer <mschiffer@universe-factory.net> | 2018-12-08 12:39:18 +0100 |
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committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2018-12-08 12:39:18 +0100 |
commit | b3950330e3351437f153c6c1debb3821d6e28864 (patch) | |
tree | 0b381b523045bd59cd679825a11976a45813fc24 /src/renderer/view/input/inputhandler.ts | |
parent | 439dcf391784ea3abb61473c74b9c27fcd9fdc2d (diff) | |
download | rpgedit-b3950330e3351437f153c6c1debb3821d6e28864.tar rpgedit-b3950330e3351437f153c6c1debb3821d6e28864.zip |
Create Electron app
Diffstat (limited to 'src/renderer/view/input/inputhandler.ts')
-rw-r--r-- | src/renderer/view/input/inputhandler.ts | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/renderer/view/input/inputhandler.ts b/src/renderer/view/input/inputhandler.ts new file mode 100644 index 0000000..17abfe6 --- /dev/null +++ b/src/renderer/view/input/inputhandler.ts @@ -0,0 +1,44 @@ +import { Listenable } from '../../util'; + +export class InputHandler extends Listenable<[string, boolean]> { + private readonly keys: Set<string> = new Set(); + + constructor(relevantKeys: Set<string>) { + super(); + + window.addEventListener('keydown', (ev) => { + if (!relevantKeys.has(ev.code)) + return; + + ev.preventDefault(); + + if (ev.repeat) + return; + + this.keys.add(ev.code); + this.runListeners(ev.code, true); + }); + + window.addEventListener('keyup', (ev) => { + if (!relevantKeys.has(ev.code)) + return; + + ev.preventDefault(); + + if (!this.keys.has(ev.code)) + return; + + this.keys.delete(ev.code); + this.runListeners(ev.code, false); + }); + + window.addEventListener('blur', () => { + this.keys.clear(); + this.runListeners('', false); + }); + } + + public has(key: string): boolean { + return this.keys.has(key); + } +} |