440 lines
11 KiB
JavaScript
440 lines
11 KiB
JavaScript
(function(){
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var ns = __namespace( "Components.Vim" );
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/** @type {System.Debug} */
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var debug = __import( "System.Debug" );
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var beep = ns[ NS_INVOKE ]( "Beep" );
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var SHIFT = 1 << 9;
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var CTRL = 1 << 10;
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var ALT = 1 << 11;
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var KEY_SHIFT = 16;
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var KEY_CTRL = 17;
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var KEY_ALT = 18;
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var BACKSPACE = 8;
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var DELETE = 46;
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var _0 = 48; var _1 = 49; var _2 = 50; var _3 = 51; var _4 = 52;
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var _5 = 53; var _6 = 54; var _7 = 55; var _8 = 56; var _9 = 57;
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var A = 65; var B = 66; var C = 67; var D = 68; var E = 69;
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var F = 70; var G = 71; var H = 72; var I = 73; var J = 74;
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var K = 75; var L = 76; var M = 77; var N = 78; var O = 79;
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var P = 80; var Q = 81; var R = 82; var S = 83; var T = 84;
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var U = 85; var V = 86; var W = 87; var X = 88; var Y = 89;
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var Z = 90;
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var S_BRACKET_L = 219; var S_BRACKET_R = 221;
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var ESC = 27;
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var F1 = 112; var F2 = 113; var F3 = 114; var F4 = 115; var F5 = 116;
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var F6 = 117; var F7 = 118; var F8 = 119; var F9 = 120; var F10 = 121;
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var F11 = 122; var F12 = 123;
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var COMMA = 188; var FULLSTOP = 190;
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var __maps = {};
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var Map = function( str )
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{
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if( __maps[ str ] ) return __maps[ str ];
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// C-Left, A-Up ...
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var Code = str.split( "-" );
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var sCode = Code[0];
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var Mod = 0;
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if( Code.length == 2 )
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{
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var m = true;
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switch( Code[0] )
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{
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case "C": Mod = CTRL; break;
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case "A": Mod = ALT; break;
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case "S": Mod = SHIFT; break;
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default:
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m = false;
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}
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if( m )
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{
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sCode = Code[1];
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}
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}
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var kCode;
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switch( sCode )
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{
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case "BS": kCode = Mod + BACKSPACE; break;
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case "Del": kCode = Mod + DELETE; break;
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case "A": Mod = SHIFT; case "a": kCode = Mod + A; break;
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case "B": Mod = SHIFT; case "b": kCode = Mod + B; break;
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case "C": Mod = SHIFT; case "c": kCode = Mod + C; break;
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case "D": Mod = SHIFT; case "d": kCode = Mod + D; break;
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case "E": Mod = SHIFT; case "e": kCode = Mod + E; break;
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case "F": Mod = SHIFT; case "f": kCode = Mod + F; break;
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case "G": Mod = SHIFT; case "g": kCode = Mod + G; break;
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case "H": Mod = SHIFT; case "h": kCode = Mod + H; break;
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case "I": Mod = SHIFT; case "i": kCode = Mod + I; break;
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case "J": Mod = SHIFT; case "j": kCode = Mod + J; break;
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case "K": Mod = SHIFT; case "k": kCode = Mod + K; break;
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case "L": Mod = SHIFT; case "l": kCode = Mod + L; break;
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case "M": Mod = SHIFT; case "m": kCode = Mod + M; break;
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case "N": Mod = SHIFT; case "n": kCode = Mod + N; break;
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case "O": Mod = SHIFT; case "o": kCode = Mod + O; break;
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case "P": Mod = SHIFT; case "p": kCode = Mod + P; break;
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case "Q": Mod = SHIFT; case "q": kCode = Mod + Q; break;
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case "R": Mod = SHIFT; case "r": kCode = Mod + R; break;
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case "S": Mod = SHIFT; case "s": kCode = Mod + S; break;
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case "T": Mod = SHIFT; case "t": kCode = Mod + T; break;
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case "U": Mod = SHIFT; case "u": kCode = Mod + U; break;
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case "V": Mod = SHIFT; case "v": kCode = Mod + V; break;
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case "W": Mod = SHIFT; case "w": kCode = Mod + W; break;
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case "X": Mod = SHIFT; case "x": kCode = Mod + X; break;
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case "Y": Mod = SHIFT; case "y": kCode = Mod + Y; break;
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case "Z": Mod = SHIFT; case "z": kCode = Mod + Z; break;
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case "!": Mod = SHIFT; case "1": kCode = Mod + _1; break;
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case "@": Mod = SHIFT; case "2": kCode = Mod + _2; break;
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case "#": Mod = SHIFT; case "3": kCode = Mod + _3; break;
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case "$": Mod = SHIFT; case "4": kCode = Mod + _4; break;
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case "%": Mod = SHIFT; case "5": kCode = Mod + _5; break;
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case "^": Mod = SHIFT; case "6": kCode = Mod + _6; break;
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case "&": Mod = SHIFT; case "7": kCode = Mod + _7; break;
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case "*": Mod = SHIFT; case "8": kCode = Mod + _8; break;
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case "(": Mod = SHIFT; case "9": kCode = Mod + _9; break;
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case ")": Mod = SHIFT; case "0": kCode = Mod + _0; break;
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case "<": Mod = SHIFT; case ",": kCode = Mod + COMMA; break;
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case ">": Mod = SHIFT; case ".": kCode = Mod + FULLSTOP; break;
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default:
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throw new Error( "Unsupport keys: " + str );
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}
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return __maps[ str ] = kCode;
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};
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var Controls = function( vimArea )
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{
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/** @type {Components.Vim.VimArea} */
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this.__vimArea = vimArea
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this.__cfeeder = vimArea.contentFeeder;
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this.__sfeeder = vimArea.statusFeeder;
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this.__ccur = this.__cfeeder.cursor;
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};
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Controls.prototype.__comp = function( kCode, handler )
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{
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if( handler )
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{
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if( !this.__compReg ) this.__compReg = [];
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this.__compReg.push({
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keys: Array.prototype.slice.call( arguments, 2 )
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, handler: handler
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, i: 0
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});
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return true;
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}
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for( var i = 0; i < this.__compReg.length; i ++ )
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{
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var compReg = this.__compReg[i];
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var keys = compReg.keys;
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if( keys[ compReg.i ++ ] == kCode )
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{
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if( compReg.i == keys.length )
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{
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compReg.handler();
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this.__compReg = null;
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this.__cMovement = false;
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}
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return true;
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}
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}
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if( this.__compReg ) beep();
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this.__compReg = null;
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this.__cMovement = false;
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return false;
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};
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Controls.prototype.__actionCommand = function( e )
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{
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var ActionHandled = true;
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var ccur = this.__ccur;
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// Action Command
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switch( e.keyCode )
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{
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case SHIFT + A: // Append at the line end
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ccur.lineEnd();
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case A: // Append
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this.__cMoveX( 1, true, true );
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case I: // Insert
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ccur.openAction( "INSERT" );
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break;
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case U: // Undo
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ccur.openRunAction( "UNDO", e );
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break;
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case CTRL + R: // Redo
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ccur.openRunAction( "REDO", e );
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break;
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case D: // Del with motion
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ccur.openAction( "DELETE" );
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break;
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case X: // Del
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break;
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case SHIFT + X: // Delete before
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break;
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case SHIFT + U: // Undo previous changes in oneline
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break;
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case SHIFT + I: // Append before the line start, after spaces
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break;
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case SHIFT + J: // Join lines
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break;
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case SHIFT + K: // Find the manual entry
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break;
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case V: // Visual
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ccur.openAction( "VISUAL" );
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break;
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case SHIFT + V: // Visual line
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ccur.openAction( "VISUAL_LINE" );
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break;
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case F1: // F1, help
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break;
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default:
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ActionHandled = false;
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}
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return ActionHandled;
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};
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Controls.prototype.__cMoveX = function( a, b, c )
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{
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var ccur = this.__ccur;
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var x = ccur.X;
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ccur.moveX( a, b, c || ccur.pSpace );
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if( ccur.X == x ) beep();
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};
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Controls.prototype.__cMoveY = function( a )
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{
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var ccur = this.__ccur;
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var cfeeder = this.__cfeeder;
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var y = ccur.Y + cfeeder.panY;
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ccur.moveY( a );
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if( y == ( ccur.Y + cfeeder.panY ) )
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{
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if( 0 < a && !cfeeder.EOF ) return;
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beep();
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}
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};
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Controls.prototype.__cursorCommand = function( e )
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{
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var kCode = e.keyCode;
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if( this.__cMovement && this.__comp )
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{
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if( !e.ModKeys )
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{
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this.__comp( kCode );
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return true;
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}
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}
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var ccur = this.__ccur;
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var cursorHandled = true;
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switch( kCode )
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{
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case BACKSPACE: this.__cMoveX( -1, true ); break; // Backspace, go back 1 char
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case H: this.__cMoveX( -1 ); break; // Left
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case L: this.__cMoveX( 1 ); break; // Right
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case K: this.__cMoveY( -1 ); break; // Up
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case J: this.__cMoveY( 1 ); break; // Down
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case SHIFT + H: // First line buffer
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break;
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case SHIFT + L: // Last line buffer
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break;
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case SHIFT + _6: // ^, Start
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ccur.lineStart();
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break;
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case SHIFT + _4: // $, End
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ccur.lineEnd( ccur.pSpace );
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break;
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case SHIFT + G: // Goto last line
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ccur.moveY( Number.MAX_VALUE );
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ccur.moveX( Number.MAX_VALUE, true );
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break
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case SHIFT + _5: // %, Find next item
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var analyzer = this.__vimArea.contentAnalyzer;
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/** @type {Components.Vim.Syntax.TokenMatch} */
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var bracketMatch = analyzer.bracketAt( ccur.aPos );
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if( bracketMatch.open == -1 )
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{
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beep();
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break;
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}
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ccur.moveTo(
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bracketMatch.selected == bracketMatch.close
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? bracketMatch.open
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: bracketMatch.close
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);
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break;
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case T: // To
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break;
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case I: // In between boundary
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if( !ccur.action )
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{
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cursorHandled = false;
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break;
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}
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var analyzer = this.__vimArea.contentAnalyzer;
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this.__cMovement = true;
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// Word boundary
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this.__comp( kCode, function(){
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debug.Info( "Word boundary" );
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}, W );
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this.__comp( kCode, function(){
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debug.Info( "Bracket boundary [" );
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}, S_BRACKET_L );
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this.__comp( kCode, function(){
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debug.Info( "Bracket boundary ]" );
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}, S_BRACKET_R );
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this.__comp( kCode, function(){
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debug.Info( "Bracket boundary {" );
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}, SHIFT + S_BRACKET_L );
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this.__comp( kCode, function(){
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debug.Info( "Bracket boundary }" );
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analyzer.bracketAt( ccur.aPos );
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}, SHIFT + S_BRACKET_R );
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break;
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case G: // Go to top
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this.__cMovement = true;
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this.__comp( kCode, function(){
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ccur.moveY( -Number.MAX_VALUE );
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ccur.moveX( -Number.MAX_VALUE, true );
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}, G );
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this.__comp( kCode, function(){
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ccur.openRunAction( "PRINT_HEX", e );
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}, _8 );
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break;
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default:
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cursorHandled = false;
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}
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return cursorHandled;
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};
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/**
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* sender @param {Components.Vim.VimArea}
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* e @param {Components.Vim.Controls.InputEvent}
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* */
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Controls.prototype.handler = function( sender, e )
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{
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// Never capture these keys
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if( e.keyCode == ( ALT + D )
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// F2 - F12
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|| ( F1 < e.keyCode && e.keyCode <= F12 )
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) return;
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// Clear composite command
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if( e.Escape && this.__compReg )
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{
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this.__compReg = null;
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this.__cMovement = false;
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beep();
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return;
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}
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var cfeeder = this.__cfeeder;
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var ccur = this.__ccur;
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var kCode = e.keyCode;
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// Action commands are handled by the actions themselves
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if( ccur.action )
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{
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if( e.Escape )
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{
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e.preventDefault();
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ccur.closeAction();
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}
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else
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{
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if( ccur.action.allowMovement )
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this.__cursorCommand( e, kCode );
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if( ccur.action.handler( e ) )
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{
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ccur.closeAction();
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}
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}
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return;
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}
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e.preventDefault();
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if( this.__cursorCommand( e ) ) return;
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if( this.__actionCommand( e ) ) return;
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};
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var InputEvent = function( sender, e )
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{
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this.__e = e;
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this.__target = sender;
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var c = this.__e.keyCode;
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this.__escape = c == ESC || ( e.ctrlKey && c == C );
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this.__kCode = c
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+ ( e.shiftKey || e.getModifierState( "CapsLock" ) ? SHIFT : 0 )
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+ ( e.ctrlKey ? CTRL : 0 )
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+ ( e.altKey ? ALT : 0 );
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this.__modKeys = c == KEY_SHIFT || c == KEY_CTRL || c == KEY_ALT;
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this.__key = e.key;
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};
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__readOnly( InputEvent.prototype, "target", function() { return this.__target; } );
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__readOnly( InputEvent.prototype, "key", function() { return this.__key; } );
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__readOnly( InputEvent.prototype, "keyCode", function() { return this.__kCode; } );
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__readOnly( InputEvent.prototype, "ModKeys", function() { return this.__modKeys; } );
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__readOnly( InputEvent.prototype, "Escape", function() { return this.__escape; } );
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InputEvent.prototype.kMap = function( map )
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{
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return this.__kCode == Map( map );
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};
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InputEvent.prototype.preventDefault = function()
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{
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if( this.__e ) this.__e.preventDefault();
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};
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ns[ NS_EXPORT ]( EX_CLASS, "Controls", Controls );
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ns[ NS_EXPORT ]( EX_CLASS, "InputEvent", InputEvent );
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})();
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