refactor keyboard listener conditions
This commit is contained in:
Hakim El Hattab
parent
fef15ea9d1
commit
4c3f778e6e
130
js/reveal.js
130
js/reveal.js
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@ -4909,6 +4909,9 @@
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return true;
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}
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// Shorthand
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var keyCode = event.keyCode;
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// Remember if auto-sliding was paused so we can toggle it
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var autoSlideWasPaused = autoSlidePaused;
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@ -4921,8 +4924,8 @@
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// Whitelist specific modified + keycode combinations
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var prevSlideShortcut = event.shiftKey && event.keyCode === 32;
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var firstSlideShortcut = ( event.metaKey || event.ctrlKey ) && event.keyCode === 37;
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var lastSlideShortcut = ( event.metaKey || event.ctrlKey ) && event.keyCode === 39;
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var firstSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 37;
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var lastSlideShortcut = ( event.metaKey || event.ctrlKey ) && keyCode === 39;
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// Prevent all other events when a modifier is pressed
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var unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut &&
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@ -4945,7 +4948,7 @@
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}
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}
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if( isPaused() && resumeKeyCodes.indexOf( event.keyCode ) === -1 ) {
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if( isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {
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return false;
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}
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@ -4957,7 +4960,7 @@
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for( key in config.keyboard ) {
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// Check if this binding matches the pressed key
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if( parseInt( key, 10 ) === event.keyCode ) {
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if( parseInt( key, 10 ) === keyCode ) {
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var value = config.keyboard[ key ];
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@ -4984,7 +4987,7 @@
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for( key in registeredKeyBindings ) {
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// Check if this binding matches the pressed key
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if( parseInt( key, 10 ) === event.keyCode ) {
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if( parseInt( key, 10 ) === keyCode ) {
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var action = registeredKeyBindings[ key ].callback;
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@ -5008,35 +5011,92 @@
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// Assume true and try to prove false
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triggered = true;
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switch( event.keyCode ) {
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// p, page up
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case 80: case 33: navigatePrev(); break;
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// n, page down
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case 78: case 34: navigateNext(); break;
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// h, left
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case 72: case 37: firstSlideShortcut ? slide( 0 ) : isOverview() || !config.simpleNavigation ? navigateLeft() : navigatePrev(); break;
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// l, right
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case 76: case 39: lastSlideShortcut ? slide( Number.MAX_VALUE ) : isOverview() || !config.simpleNavigation ? navigateRight() : navigateNext(); break;
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// k, up
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case 75: case 38: isOverview() || !config.simpleNavigation ? navigateUp() : navigatePrev(); break;
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// j, down
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case 74: case 40: isOverview() || !config.simpleNavigation ? navigateDown() : navigateNext(); break;
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// home
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case 36: slide( 0 ); break;
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// end
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case 35: slide( Number.MAX_VALUE ); break;
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// space
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case 32: isOverview() ? deactivateOverview() : event.shiftKey ? navigatePrev() : navigateNext(); break;
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// return
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case 13: isOverview() ? deactivateOverview() : triggered = false; break;
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// two-spot, semicolon, b, v, period, Logitech presenter tools "black screen" button
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case 58: case 59: case 66: case 86: case 190: case 191: togglePause(); break;
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// f
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case 70: enterFullscreen(); break;
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// a
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case 65: if ( config.autoSlideStoppable ) toggleAutoSlide( autoSlideWasPaused ); break;
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default:
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triggered = false;
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// P, PAGE UP
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if( keyCode === 80 || keyCode === 33 ) {
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navigatePrev();
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}
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// N, PAGE DOWN
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else if( keyCode === 78 || keyCode === 34 ) {
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navigateNext();
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}
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// H, LEFT
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else if( keyCode === 72 || keyCode === 37 ) {
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if( firstSlideShortcut ) {
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slide( 0 );
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}
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else if( !isOverview() && config.simpleNavigation ) {
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navigatePrev();
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}
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else {
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navigateLeft();
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}
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}
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// L, RIGHT
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else if( keyCode === 76 || keyCode === 39 ) {
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if( lastSlideShortcut ) {
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slide( Number.MAX_VALUE );
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}
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else if( !isOverview() && config.simpleNavigation ) {
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navigateNext();
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}
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else {
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navigateRight();
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}
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}
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// K, UP
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else if( keyCode === 75 || keyCode === 38 ) {
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if( !isOverview() && config.simpleNavigation ) {
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navigatePrev();
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}
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else {
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navigateUp()
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}
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}
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// J, DOWN
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else if( keyCode === 74 || keyCode === 40 ) {
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if( !isOverview() && config.simpleNavigation ) {
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navigateNext()
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}
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else {
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navigateDown()
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}
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}
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// HOME
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else if( keyCode === 36 ) {
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slide( 0 );
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}
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// END
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else if( keyCode === 35 ) {
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slide( Number.MAX_VALUE );
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}
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// SPACE
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else if( keyCode === 32 ) {
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if( isOverview() ) {
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deactivateOverview();
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}
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if( event.shiftKey ) {
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navigatePrev();
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}
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else {
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navigateNext();
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}
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}
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// TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS "BLACK SCREEN" BUTTON
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else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {
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togglePause();
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}
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// F
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else if( keyCode === 70 ) {
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enterFullscreen();
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}
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// A
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else if( keyCode === 65 ) {
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if ( config.autoSlideStoppable ) {
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toggleAutoSlide( autoSlideWasPaused );
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}
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}
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else {
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triggered = false;
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}
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}
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@ -5047,7 +5107,7 @@
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event.preventDefault && event.preventDefault();
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}
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// ESC or O key
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else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && features.transforms3d ) {
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else if ( ( keyCode === 27 || keyCode === 79 ) && features.transforms3d ) {
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if( dom.overlay ) {
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closeOverlay();
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}
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