gpm: refactor to fit style.

This commit is contained in:
Christopher Jeffrey 2015-02-01 07:07:55 -08:00
parent fae4acceef
commit 87a3d2f288
2 changed files with 327 additions and 281 deletions

View File

@ -1,30 +1,35 @@
var net=require('net');
var fs=require('fs');
var EventEmitter=require('events').EventEmitter;
var net = require('net');
var fs = require('fs');
var EventEmitter = require('events').EventEmitter;
var util = require('util')
var GPM_USE_MAGIC=false;
var GPM_USE_MAGIC = false;
var GPM_MOVE=1, GPM_DRAG=2, GPM_DOWN=4, GPM_UP=8;
var GPM_DOUBLE=32,GPM_MFLAG=128;
var GPM_MOVE = 1
, GPM_DRAG = 2
, GPM_DOWN = 4
, GPM_UP = 8;
var GPM_REQ_NOPASTE=3, GPM_HARD=256;
var GPM_DOUBLE = 32
, GPM_MFLAG = 128;
var GPM_MAGIC=0x47706D4C;
var GPM_SOCKET="/dev/gpmctl";
var GPM_REQ_NOPASTE = 3
, GPM_HARD = 256;
var GPM_MAGIC = 0x47706D4C;
var GPM_SOCKET = '/dev/gpmctl';
/*
typedef struct Gpm_Connect {
unsigned short eventMask, defaultMask;
unsigned short minMod, maxMod;
int pid;
int vc;
} Gpm_Connect;
*/
function send_config(sock, Gpm_Connect, cb) {
// typedef struct Gpm_Connect {
// unsigned short eventMask, defaultMask;
// unsigned short minMod, maxMod;
// int pid;
// int vc;
// } Gpm_Connect;
function send_config(socket, Gpm_Connect, callback) {
if (GPM_USE_MAGIC) {
var buffer=new Buffer(20);
var buffer = new Buffer(20);
buffer.writeUInt32LE(GPM_MAGIC, 0);
buffer.writeUInt16LE(Gpm_Connect.eventMask, 4);
buffer.writeUInt16LE(Gpm_Connect.defaultMask, 6);
@ -33,7 +38,7 @@ function send_config(sock, Gpm_Connect, cb) {
buffer.writeInt16LE(process.pid, 12);
buffer.writeInt16LE(Gpm_Connect.vc, 16);
} else {
var buffer=new Buffer(16);
var buffer = new Buffer(16);
buffer.writeUInt16LE(Gpm_Connect.eventMask, 0);
buffer.writeUInt16LE(Gpm_Connect.defaultMask, 2);
buffer.writeUInt16LE(Gpm_Connect.minMod, 4);
@ -41,43 +46,42 @@ function send_config(sock, Gpm_Connect, cb) {
buffer.writeInt16LE(Gpm_Connect.pid, 8);
buffer.writeInt16LE(Gpm_Connect.vc, 12);
}
sock.write(buffer, function () {
if (cb) cb();
socket.write(buffer, function() {
if (callback) callback();
});
}
/*
typedef struct Gpm_Event {
unsigned char buttons, modifiers; // try to be a multiple of 4
unsigned short vc;
short dx, dy, x, y; // displacement x,y for this event, and absolute x,y
enum Gpm_Etype type;
// clicks e.g. double click are determined by time-based processing
int clicks;
enum Gpm_Margin margin;
// wdx/y: displacement of wheels in this event. Absolute values are not
// required, because wheel movement is typically used for scrolling
// or selecting fields, not for cursor positioning. The application
// can determine when the end of file or form is reached, and not
// go any further.
// A single mouse will use wdy, "vertical scroll" wheel.
short wdx, wdy;
} Gpm_Event;
*/
// typedef struct Gpm_Event {
// unsigned char buttons, modifiers; // try to be a multiple of 4
// unsigned short vc;
// short dx, dy, x, y; // displacement x,y for this event, and absolute x,y
// enum Gpm_Etype type;
// // clicks e.g. double click are determined by time-based processing
// int clicks;
// enum Gpm_Margin margin;
// // wdx/y: displacement of wheels in this event. Absolute values are not
// // required, because wheel movement is typically used for scrolling
// // or selecting fields, not for cursor positioning. The application
// // can determine when the end of file or form is reached, and not
// // go any further.
// // A single mouse will use wdy, "vertical scroll" wheel.
// short wdx, wdy;
// } Gpm_Event;
function parseEvent(raw) {
var evnt={};
evnt.buttons=raw[0];
evnt.modifiers=raw[1];
evnt.vc=raw.readUInt16LE(2);
evnt.dx=raw.readInt16LE(4);
evnt.dy=raw.readInt16LE(6);
evnt.x=raw.readInt16LE(8);
evnt.y=raw.readInt16LE(10);
evnt.type=raw.readInt16LE(12);
evnt.clicks=raw.readInt32LE(16);
evnt.margin=raw.readInt32LE(20);
evnt.wdx=raw.readInt16LE(24);
evnt.wdy=raw.readInt16LE(26);
var evnt = {};
evnt.buttons = raw[0];
evnt.modifiers = raw[1];
evnt.vc = raw.readUInt16LE(2);
evnt.dx = raw.readInt16LE(4);
evnt.dy = raw.readInt16LE(6);
evnt.x = raw.readInt16LE(8);
evnt.y = raw.readInt16LE(10);
evnt.type = raw.readInt16LE(12);
evnt.clicks = raw.readInt32LE(16);
evnt.margin = raw.readInt32LE(20);
evnt.wdx = raw.readInt16LE(24);
evnt.wdy = raw.readInt16LE(26);
return evnt;
}
@ -88,106 +92,119 @@ function GpmClient(options) {
EventEmitter.call(this);
var pid=process.pid;
var pid = process.pid;
// check tty for /dev/tty[n]
var tty=/tty[0-9]+$/.exec(fs.readlinkSync('/proc/'+pid+'/fd/0'));
var tty = /tty[0-9]+$/.exec(fs.readlinkSync('/proc/' + pid + '/fd/0'));
if (tty === null) {
//TODO: should also check for /dev/input/..
// TODO: should also check for /dev/input/..
}
var vc;
if (tty) {
var tty=tty[0];
vc=/[0-9]+$/.exec(tty)[0];
var tty = tty[0];
vc = /[0-9]+$/.exec(tty)[0];
}
var self=this;
var self = this;
if (tty) {
fs.stat(GPM_SOCKET, function(err, stat) {
if (err || !stat.isSocket())
if (err || !stat.isSocket()) {
return;
}
var conf = {
eventMask: 0xffff,
defaultMask: GPM_MOVE|GPM_HARD,
defaultMask: GPM_MOVE | GPM_HARD,
minMod: 0,
maxMod: 0xffff,
pid: pid,
vc: vc
};
var gpm=net.createConnection(GPM_SOCKET);
this.gpm=gpm;
var gpm = net.createConnection(GPM_SOCKET);
this.gpm = gpm;
gpm.on('connect', function() {
send_config(gpm, conf, function() {
conf.pid=0;
conf.vc=GPM_REQ_NOPASTE;
conf.pid = 0;
conf.vc = GPM_REQ_NOPASTE;
//send_config(gpm, conf);
});
});
gpm.on('data', function(packet) {
var evnt=parseEvent(packet);
switch(evnt.type & 15) {
var evnt = parseEvent(packet);
switch (evnt.type & 15) {
case GPM_MOVE:
if (evnt.dx || evnt.dy) self.emit('move', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
if (evnt.wdx || evnt.wdy) self.emit('mousewheel', evnt.buttons, evnt.modifiers, evnt.x, evnt.y, evnt.wdx, evnt.wdy)
if (evnt.dx || evnt.dy) {
self.emit('move', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
}
if (evnt.wdx || evnt.wdy) {
self.emit('mousewheel',
evnt.buttons, evnt.modifiers,
evnt.x, evnt.y, evnt.wdx, evnt.wdy);
}
break;
case GPM_DRAG:
if (evnt.dx || evnt.dy) self.emit('drag', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
if (evnt.wdx || evnt.wdy) self.emit('mousewheel', evnt.buttons, evnt.modifiers, evnt.x, evnt.y, evnt.wdx, evnt.wdy)
if (evnt.dx || evnt.dy) {
self.emit('drag', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
}
if (evnt.wdx || evnt.wdy) {
self.emit('mousewheel',
evnt.buttons, evnt.modifiers,
evnt.x, evnt.y, evnt.wdx, evnt.wdy);
}
break;
case GPM_DOWN:
self.emit('btndown', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
self.emit('btndown', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
if (evnt.type & GPM_DOUBLE) {
self.emit('dblclick', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
self.emit('dblclick', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
}
break;
case GPM_UP:
self.emit('btnup', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
self.emit('btnup', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
if (!(evnt.type & GPM_MFLAG)) {
self.emit('click', evnt.buttons, evnt.modifiers, evnt.x, evnt.y)
self.emit('click', evnt.buttons, evnt.modifiers, evnt.x, evnt.y);
}
break;
}
})
});
gpm.on('error', function(err) {
console.log('GPM ERROR', err);
// console.log('GPM ERROR', err);
self.stop();
});
});
}
}
GpmClient.prototype=new EventEmitter();
GpmClient.prototype.__proto__ = EventEmitter.prototype;
GpmClient.prototype.stop=function() {
if (this.gpm) this.gpm.end();
GpmClient.prototype.stop = function() {
if (this.gpm) {
this.gpm.end();
}
delete this.gpm;
}
};
GpmClient.prototype.ButtonName = function(btn) {
if (btn & 4) return 'left';
if (btn & 2) return 'middle';
if (btn & 1) return 'right';
return ''
}
return '';
};
GpmClient.prototype.hasShiftKey = function(mod) {
return (mod & 1) ? true:false;
}
return (mod & 1) ? true : false;
};
GpmClient.prototype.hasCtrlKey = function(mod) {
return (mod & 4) ? true:false;
}
return (mod & 4) ? true : false;
};
GpmClient.prototype.hasMetaKey = function(mod) {
return (mod & 8) ? true:false;
}
return (mod & 8) ? true : false;
};
module.exports=GpmClient;
module.exports = GpmClient;

View File

@ -635,76 +635,100 @@ Program.prototype._bindMouse = function(s, buf) {
/* gpm support for linux vc */
Program.prototype.enableGpm = function() {
var gpmclient=require('./gpmclient')
this.gpm=gpmclient();
var self=this;
this.gpm.on('btndown', function(btn,modifier, x, y) {
var self = this;
var gpmclient = require('./gpmclient')
this.gpm = gpmclient();
this.gpm.on('btndown', function(btn, modifier, x, y) {
x--, y--;
var key={
name: 'mouse', type: 'GPM',
var key = {
name: 'mouse',
type: 'GPM',
action: 'mousedown',
button: self.gpm.ButtonName(btn),
raw: [btn,modifier, x, y],
x: x, y: y,
x: x,
y: y,
shift: self.gpm.hasShiftKey(modifier),
meta: self.gpm.hasMetaKey(modifier),
ctrl: self.gpm.hasCtrlKey(modifier)
};
self.emit('keypress', null, key);
self.emit('mouse', key);
});
this.gpm.on('btnup', function(btn,modifier, x, y) {
this.gpm.on('btnup', function(btn, modifier, x, y) {
x--, y--;
var key={
name: 'mouse', type: 'GPM',
var key = {
name: 'mouse',
type: 'GPM',
action: 'mouseup',
button: self.gpm.ButtonName(btn),
raw: [btn,modifier, x, y],
x: x, y: y,
x: x,
y: y,
shift: self.gpm.hasShiftKey(modifier),
meta: self.gpm.hasMetaKey(modifier),
ctrl: self.gpm.hasCtrlKey(modifier)
};
self.emit('keypress', null, key);
self.emit('mouse', key);
});
this.gpm.on('move', function(btn,modifier, x, y) {
this.gpm.on('move', function(btn, modifier, x, y) {
x--, y--;
var key={
name: 'mouse', type: 'GPM',
var key = {
name: 'mouse',
type: 'GPM',
action: 'mousemove',
button: self.gpm.ButtonName(btn),
raw: [btn,modifier, x, y],
x: x, y: y,
x: x,
y: y,
shift: self.gpm.hasShiftKey(modifier),
meta: self.gpm.hasMetaKey(modifier),
ctrl: self.gpm.hasCtrlKey(modifier)
};
self.emit('keypress', null, key);
self.emit('mouse', key);
});
this.gpm.on('drag', function(btn,modifier, x, y) {
this.gpm.on('drag', function(btn, modifier, x, y) {
x--, y--;
var key={
name: 'mouse', type: 'GPM',
var key = {
name: 'mouse',
type: 'GPM',
action: 'mousemove',
button: self.gpm.ButtonName(btn),
raw: [btn,modifier, x, y],
x: x, y: y,
x: x,
y: y,
shift: self.gpm.hasShiftKey(modifier),
meta: self.gpm.hasMetaKey(modifier),
ctrl: self.gpm.hasCtrlKey(modifier)
};
self.emit('keypress', null, key);
self.emit('mouse', key);
});
this.gpm.on('mousewheel', function(btn,modifier, x, y, dx, dy) {
var key={
name: 'mouse', type: 'GPM',
action: dy>0? 'wheelup':'wheeldown',
this.gpm.on('mousewheel', function(btn, modifier, x, y, dx, dy) {
var key = {
name: 'mouse',
type: 'GPM',
action: dy > 0 ? 'wheelup':'wheeldown',
button: self.gpm.ButtonName(btn),
raw: [btn,modifier, x, y, dx, dy],
x: x, y: y,
x: x,
y: y,
shift: self.gpm.hasShiftKey(modifier),
meta: self.gpm.hasMetaKey(modifier),
ctrl: self.gpm.hasCtrlKey(modifier)
@ -722,7 +746,6 @@ Program.prototype.disableGpm = function() {
}
};
// All possible responses from the terminal
Program.prototype.bindResponse = function() {
if (this._boundResponse) return;
@ -2751,36 +2774,42 @@ Program.prototype.normalBuffer = function() {
};
Program.prototype.enableMouse = function() {
console.log(process.env.BLESSED_FORCE_MODES);
if (process.env.BLESSED_FORCE_MODES) {
var modes=process.env.BLESSED_FORCE_MODES.split(',');
var options={};
for (var n=0; n<modes.length; ++n) {
var mds=modes[n].split('=');
var v=mds[1]=='0' ? false : true;
switch(mds[0].toUpperCase()) {
var modes = process.env.BLESSED_FORCE_MODES.split(',');
var options = {};
for (var n = 0; n < modes.length; ++n) {
var pair = modes[n].split('=');
var v = pair[1] !== '0';
switch (pair[0].toUpperCase()) {
case 'SGRMOUSE':
options.sgrMouse=v; break;
options.sgrMouse = v;
break;
case 'UTFMOUSE':
options.utfMouse=v; break;
options.utfMouse = v;
break;
case 'VT200MOUSE':
options.vt200Mouse=v; break;
options.vt200Mouse = v;
break;
case 'URXVTMOUSE':
options.urxvtMouse=true; break;
options.urxvtMouse = v;
break;
case 'X10MOUSE':
options.x10Mouse=true; break;
options.x10Mouse = v;
break;
case 'GPMMOUSE':
this.enableGpm();
break;
case 'CELLMOTION':
options.cellMotion=v; break;
options.cellMotion = v;
break;
case 'ALLMOTION':
options.allMotion=v; break;
options.allMotion = v;
break;
case 'SENDFOCUS':
options.sendFocus=v; break;
options.sendFocus = v;
break;
}
}
console.log(options);
return this.setMouse(options, true);
}