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Commit 96d64b11 authored by mcmlxxix's avatar mcmlxxix
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Move dependent object definitions outside of Frame class. Fix cleartoeol() and... 

Move dependent object definitions outside of Frame class. Fix cleartoeol() and clearline() methods. use incremental frame id's (to solve deletion problem, and probably curb memory appetite)
parent 1f9cc6d5
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with 352 additions and 348 deletions
exec/load/frame.js
+ 352
− 348
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......@@ -109,347 +109,6 @@ load("sbbsdefs.js");
function Frame(x,y,width,height,attr,frame) {
/* frame reference object */
function Canvas(frame,display) {
this.frame = frame;
this.display = display;
this.__defineGetter__("xoff",function() {
return this.frame.x - this.display.x;
});
this.__defineGetter__("yoff",function() {
return this.frame.y - this.display.y;
});
this.hasData = function(x,y) {
if(x-this.xoff < 0 || y - this.yoff < 0)
return undefined;
if(x-this.xoff >= this.frame.width || y - this.yoff >= this.frame.height)
return undefined;
return true;
}
}
/* object representing screen positional and dimensional limits and canvas stack */
function Display(x,y,width,height) {
/* private properties */
var properties = {
x:undefined,
y:undefined,
width:undefined,
height:undefined,
canvas:{},
update:{},
buffer:{}
}
/* protected properties */
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
properties.x = 1;
else if(isNaN(x))
throw("invalid x coordinate: " + x);
else
properties.x = Number(x);
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
properties.y = 1;
else if(isNaN(y) || y < 1 || y > console.screen_rows)
throw("invalid y coordinate: " + y);
else
properties.y = Number(y);
});
this.__defineGetter__("width", function() {
return properties.width;
});
this.__defineSetter__("width", function(width) {
if(width == undefined)
properties.width = console.screen_columns;
else if(isNaN(width) || (this.x + Number(width) - 1) > (console.screen_columns))
throw("invalid width: " + width);
else
properties.width = Number(width);
});
this.__defineGetter__("height", function() {
return properties.height;
});
this.__defineSetter__("height", function(height) {
if(height == undefined)
properties.height = console.screen_rows;
else if(isNaN(height) || (this.y + Number(height) - 1) > (console.screen_rows))
throw("invalid height: " + height);
else
properties.height = Number(height);
});
/* public methods */
this.cycle = function() {
var updates = getUpdateList();
if(updates.length > 0) {
var lasty = undefined;
var lastx = undefined;
var lastid = undefined;
for each(var u in updates) {
var posx = u.x + properties.x;
var posy = u.y + properties.y;
if(posx < 1 || posy < 1 || posx > console.screen_columns
|| posy > console.screen_rows)
continue;
if(lasty !== u.y || lastx == undefined || (u.x - lastx) != 1)
console.gotoxy(posx,posy);
if(lastid !== u.id)
console.attributes = undefined;
drawChar(u.ch,u.attr,posx,posy);
lastx = u.x;
lasty = u.y;
lastid = u.id;
}
properties.update = {};
console.attributes=undefined;
return true;
}
return false;
}
this.draw = function() {
for(var y = 0;y<this.height;y++) {
for(var x = 0;x<this.width;x++) {
updateChar(x,y);
}
}
this.cycle();
}
this.open = function(frame) {
var canvas = new Canvas(frame,this);
properties.canvas[frame.id] = canvas;
this.updateFrame(frame);
}
this.close = function(frame) {
this.updateFrame(frame);
delete properties.canvas[frame.id];
}
this.top = function(frame) {
var canvas = properties.canvas[frame.id];
delete properties.canvas[frame.id];
properties.canvas[frame.id] = canvas;
this.updateFrame(frame);
}
this.bottom = function(frame) {
for(var c in properties.canvas) {
if(c == frame.id)
continue;
var canvas = properties.canvas[c];
delete properties.canvas[c];
properties.canvas[c] = canvas;
}
this.updateFrame(frame);
}
this.updateFrame = function(frame) {
var xoff = frame.x - this.x;
var yoff = frame.y - this.y;
for(var y = 0;y<frame.height;y++) {
for(var x = 0;x<frame.width;x++) {
updateChar(xoff + x,yoff + y);
}
}
}
this.updateChar = function(frame,x,y) {
var xoff = frame.x - this.x;
var yoff = frame.y - this.y;
updateChar(xoff + x,yoff + y);
}
this.screenShot = function(file,append) {
var f = new File(file);
if(append)
f.open('ab',true,4096);
else
f.open('wb',true,4096) ;
if(!f.is_open)
return false;
for(var y = 0;y<this.height;y++) {
for(var x = 0;x<this.width;x++) {
var c = getTopCanvas(x,y);
var d = getData(c,x,y);
if(d.ch)
f.write(d.ch);
else
f.write(" ");
if(d.attr)
f.writeBin(d.attr,1);
else
f.writeBin(0,1);
}
}
f.close();
return true;
}
/* private functions */
function updateChar(x,y) {
if(!properties.update[y])
properties.update[y] = {};
properties.update[y][x] = 1;
}
function getUpdateList() {
var list = [];
for(var y in properties.update) {
for(var x in properties.update[y]) {
var c = getTopCanvas(x,y);
var d = getData(c,x,y);
if(!properties.buffer[x])
properties.buffer[x] = {};
if(!properties.buffer[x][y] ||
properties.buffer[x][y].ch != d.ch ||
properties.buffer[x][y].attr != d.attr) {
properties.buffer[x][y] = d;
list.push(d);
}
}
}
return list.sort(updateSort);
}
function getData(c,x,y) {
var cd = {
x:Number(x),
y:Number(y)
};
if(c) {
var d = c.frame.getData(x-c.xoff,y-c.yoff,true);
cd.id = c.frame.id;
cd.ch = d.ch;
if(d.attr)
cd.attr = d.attr;
else
cd.attr = c.frame.attr;
}
return cd;
}
function updateSort(a,b) {
if(a.y == b.y)
return a.x-b.x;
return a.y-b.y;
}
function drawChar(ch,attr,xpos,ypos) {
if(attr)
console.attributes = attr;
if(xpos == console.screen_columns && ypos == console.screen_rows)
console.cleartoeol();
else if(ch == undefined)
console.write(" ");
else
console.write(ch);
}
function getTopCanvas(x,y) {
var top = undefined;
for each(var c in properties.canvas) {
if(c.hasData(x,y))
top = c;
}
return top;
}
/* initialize display properties */
this.x = x;
this.y = y;
this.width = width;
this.height = height;
log(LOG_DEBUG,format("new display initialized: %sx%s at %s,%s",this.width,this.height,this.x,this.y));
}
/* character/attribute pair representing a screen position and its contents */
function Char(ch,attr) {
this.ch = ch;
this.attr = attr;
}
/* self-validating cursor position object */
function Cursor(x,y,frame) {
var properties = {
x:undefined,
y:undefined,
frame:undefined
}
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
throw("invalid x coordinate: " + x);
else if(x < 0)
x = 0;
else if(x >= properties.frame.width)
x = properties.frame.width - 1;
properties.x = x;
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
throw("invalid y coordinate: " + y);
else if(y < 0)
y = 0;
else if(y > properties.frame.height)
y = properties.frame.height - 1;
properties.y = y;
});
if(frame instanceof Frame)
properties.frame = frame;
else
throw("the frame is not a frame");
this.x = x;
this.y = y;
}
/* self-validating scroll offset object */
function Offset(x,y,frame) {
var properties = {
x:undefined,
y:undefined,
frame:undefined
}
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
throw("invalid x offset: " + x);
else if(x < 0)
x = 0;
else if(x > properties.frame.data_width - properties.frame.width)
x = properties.frame.data_width - properties.frame.width;
properties.x = x;
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
throw("invalid y offset: " + y);
else if(y < 0)
y = 0;
else if(y > properties.frame.data_height - properties.frame.height)
y = properties.frame.data_height - properties.frame.height;
properties.y = y;
});
if(frame instanceof Frame)
properties.frame = frame;
else
throw("the frame is not a frame");
this.x = x;
this.y = y;
}
/* private properties */
var properties = {
x:undefined,
......@@ -554,8 +213,6 @@ function Frame(x,y,width,height,attr,frame) {
return position.offset;
});
this.__defineGetter__("id", function() {
if(relations.parent)
return relations.parent.id+"."+properties.id;
return properties.id;
});
this.__defineGetter__("parent", function() {
......@@ -1001,10 +658,11 @@ function Frame(x,y,width,height,attr,frame) {
this.clearline = function(attr) {
if(attr == undefined)
attr = this.attr;
for(var x = 0;x<this.width;x++) {
properties.display.updateChar(this,x,y);
properties.data[y][x].ch = undefined;
properties.data[y][x].attr = attr;
properties.data[position.cursor.y][x].ch = undefined;
properties.data[position.cursor.y][x].attr = attr;
}
}
this.cleartoeol = function(attr) {
......@@ -1012,8 +670,8 @@ function Frame(x,y,width,height,attr,frame) {
attr = this.attr;
for(var x = position.cursor.x;x<this.width;x++) {
properties.display.updateChar(this,x,y);
properties.data[y][x].ch = undefined;
properties.data[y][x].attr = attr;
properties.data[position.cursor.y][x].ch = undefined;
properties.data[position.cursor.y][x].attr = attr;
}
}
this.crlf = function() {
......@@ -1283,7 +941,7 @@ function Frame(x,y,width,height,attr,frame) {
}
function init(x,y,width,height,attr,frame) {
if(frame instanceof Frame) {
properties.id = frame.child.length;
properties.id = frame.display.nextID;
properties.display = frame.display;
settings.checkbounds = frame.checkbounds;
relations.parent = frame;
......@@ -1310,3 +968,349 @@ function Frame(x,y,width,height,attr,frame) {
}
init.apply(this,arguments);
}
/* frame reference object */
function Canvas(frame,display) {
this.frame = frame;
this.display = display;
this.__defineGetter__("xoff",function() {
return this.frame.x - this.display.x;
});
this.__defineGetter__("yoff",function() {
return this.frame.y - this.display.y;
});
this.hasData = function(x,y) {
if(x-this.xoff < 0 || y - this.yoff < 0)
return undefined;
if(x-this.xoff >= this.frame.width || y - this.yoff >= this.frame.height)
return undefined;
return true;
}
}
/* object representing screen positional and dimensional limits and canvas stack */
function Display(x,y,width,height) {
/* private properties */
var properties = {
x:undefined,
y:undefined,
width:undefined,
height:undefined,
canvas:{},
update:{},
buffer:{},
count:0
}
/* protected properties */
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
properties.x = 1;
else if(isNaN(x))
throw("invalid x coordinate: " + x);
else
properties.x = Number(x);
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
properties.y = 1;
else if(isNaN(y) || y < 1 || y > console.screen_rows)
throw("invalid y coordinate: " + y);
else
properties.y = Number(y);
});
this.__defineGetter__("width", function() {
return properties.width;
});
this.__defineSetter__("width", function(width) {
if(width == undefined)
properties.width = console.screen_columns;
else if(isNaN(width) || (this.x + Number(width) - 1) > (console.screen_columns))
throw("invalid width: " + width);
else
properties.width = Number(width);
});
this.__defineGetter__("height", function() {
return properties.height;
});
this.__defineSetter__("height", function(height) {
if(height == undefined)
properties.height = console.screen_rows;
else if(isNaN(height) || (this.y + Number(height) - 1) > (console.screen_rows))
throw("invalid height: " + height);
else
properties.height = Number(height);
});
this.__defineGetter__("nextID",function() {
return ++properties.count;
});
/* public methods */
this.cycle = function() {
var updates = getUpdateList();
if(updates.length > 0) {
var lasty = undefined;
var lastx = undefined;
var lastid = undefined;
for each(var u in updates) {
var posx = u.x + properties.x;
var posy = u.y + properties.y;
if(posx < 1 || posy < 1 || posx > console.screen_columns
|| posy > console.screen_rows)
continue;
if(lasty !== u.y || lastx == undefined || (u.x - lastx) != 1)
console.gotoxy(posx,posy);
if(lastid !== u.id)
console.attributes = undefined;
drawChar(u.ch,u.attr,posx,posy);
lastx = u.x;
lasty = u.y;
lastid = u.id;
}
properties.update = {};
console.attributes=undefined;
return true;
}
return false;
}
this.draw = function() {
for(var y = 0;y<this.height;y++) {
for(var x = 0;x<this.width;x++) {
updateChar(x,y);
}
}
this.cycle();
}
this.open = function(frame) {
var canvas = new Canvas(frame,this);
properties.canvas[frame.id] = canvas;
this.updateFrame(frame);
}
this.close = function(frame) {
this.updateFrame(frame);
delete properties.canvas[frame.id];
}
this.top = function(frame) {
var canvas = properties.canvas[frame.id];
delete properties.canvas[frame.id];
properties.canvas[frame.id] = canvas;
this.updateFrame(frame);
}
this.bottom = function(frame) {
for(var c in properties.canvas) {
if(c == frame.id)
continue;
var canvas = properties.canvas[c];
delete properties.canvas[c];
properties.canvas[c] = canvas;
}
this.updateFrame(frame);
}
this.updateFrame = function(frame) {
var xoff = frame.x - this.x;
var yoff = frame.y - this.y;
for(var y = 0;y<frame.height;y++) {
for(var x = 0;x<frame.width;x++) {
updateChar(xoff + x,yoff + y);
}
}
}
this.updateChar = function(frame,x,y) {
var xoff = frame.x - this.x;
var yoff = frame.y - this.y;
updateChar(xoff + x,yoff + y);
}
this.screenShot = function(file,append) {
var f = new File(file);
if(append)
f.open('ab',true,4096);
else
f.open('wb',true,4096) ;
if(!f.is_open)
return false;
for(var y = 0;y<this.height;y++) {
for(var x = 0;x<this.width;x++) {
var c = getTopCanvas(x,y);
var d = getData(c,x,y);
if(d.ch)
f.write(d.ch);
else
f.write(" ");
if(d.attr)
f.writeBin(d.attr,1);
else
f.writeBin(0,1);
}
}
f.close();
return true;
}
/* private functions */
function updateChar(x,y) {
if(!properties.update[y])
properties.update[y] = {};
properties.update[y][x] = 1;
}
function getUpdateList() {
var list = [];
for(var y in properties.update) {
for(var x in properties.update[y]) {
var c = getTopCanvas(x,y);
var d = getData(c,x,y);
if(!properties.buffer[x])
properties.buffer[x] = {};
if(!properties.buffer[x][y] ||
properties.buffer[x][y].ch != d.ch ||
properties.buffer[x][y].attr != d.attr) {
properties.buffer[x][y] = d;
list.push(d);
}
}
}
return list.sort(updateSort);
}
function getData(c,x,y) {
var cd = {
x:Number(x),
y:Number(y)
};
if(c) {
var d = c.frame.getData(x-c.xoff,y-c.yoff,true);
cd.id = c.frame.id;
cd.ch = d.ch;
if(d.attr)
cd.attr = d.attr;
else
cd.attr = c.frame.attr;
}
return cd;
}
function updateSort(a,b) {
if(a.y == b.y)
return a.x-b.x;
return a.y-b.y;
}
function drawChar(ch,attr,xpos,ypos) {
if(attr)
console.attributes = attr;
if(xpos == console.screen_columns && ypos == console.screen_rows)
console.cleartoeol();
else if(ch == undefined)
console.write(" ");
else
console.write(ch);
}
function getTopCanvas(x,y) {
var top = undefined;
for each(var c in properties.canvas) {
if(c.hasData(x,y))
top = c;
}
return top;
}
/* initialize display properties */
this.x = x;
this.y = y;
this.width = width;
this.height = height;
log(LOG_DEBUG,format("new display initialized: %sx%s at %s,%s",this.width,this.height,this.x,this.y));
}
/* character/attribute pair representing a screen position and its contents */
function Char(ch,attr) {
this.ch = ch;
this.attr = attr;
}
/* self-validating cursor position object */
function Cursor(x,y,frame) {
var properties = {
x:undefined,
y:undefined,
frame:undefined
}
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
throw("invalid x coordinate: " + x);
else if(x < 0)
x = 0;
else if(x >= properties.frame.width)
x = properties.frame.width - 1;
properties.x = x;
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
throw("invalid y coordinate: " + y);
else if(y < 0)
y = 0;
else if(y > properties.frame.height)
y = properties.frame.height - 1;
properties.y = y;
});
if(frame instanceof Frame)
properties.frame = frame;
else
throw("the frame is not a frame");
this.x = x;
this.y = y;
}
/* self-validating scroll offset object */
function Offset(x,y,frame) {
var properties = {
x:undefined,
y:undefined,
frame:undefined
}
this.__defineGetter__("x", function() {
return properties.x;
});
this.__defineSetter__("x", function(x) {
if(x == undefined)
throw("invalid x offset: " + x);
else if(x < 0)
x = 0;
else if(x > properties.frame.data_width - properties.frame.width)
x = properties.frame.data_width - properties.frame.width;
properties.x = x;
});
this.__defineGetter__("y", function() {
return properties.y;
});
this.__defineSetter__("y", function(y) {
if(y == undefined)
throw("invalid y offset: " + y);
else if(y < 0)
y = 0;
else if(y > properties.frame.data_height - properties.frame.height)
y = properties.frame.data_height - properties.frame.height;
properties.y = y;
});
if(frame instanceof Frame)
properties.frame = frame;
else
throw("the frame is not a frame");
this.x = x;
this.y = y;
}
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