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neo-blessed
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fixed shrunken centered nested elements.

This commit is contained in:
Christopher Jeffrey 2013-07-17 12:43:13 -05:00
parent ab449a12e3
commit 5c114b8b69
2 changed files with 24 additions and 13 deletions
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31
lib/widget.js
View File

@ -1666,6 +1666,20 @@ Element.prototype.clearPos = function() {
* Positioning
*/
// Help center shrunken nested elements.
Screen.prototype.spos =
Element.prototype.spos = function() {
var pos = this.lpos;
if (!pos || !this.shrink) return this;
pos.width = pos.xl - pos.xi;
pos.height = pos.yl - pos.yi;
pos.left = pos.xi;
pos.top = pos.yi;
pos.right = this.screen.cols - pos.xl;
pos.bottom = this.screen.rows - pos.yl;
return pos;
};
// NOTE: When coords are entered in the Element constructor, all of the coords
// are *relative* to their parent, when retrieving them from `.left`, `.right`,
// etc members, the coords are absolute. To see the *relative* coords again,
@ -1674,6 +1688,8 @@ Element.prototype.clearPos = function() {
Element.prototype.__defineGetter__('left', function() {
var left = this.position.left;
var parent = this.parent.spos();
if (typeof left === 'string') {
if (left === 'center') left = '50%';
left = +left.slice(0, -1) / 100;
@ -1687,7 +1703,7 @@ Element.prototype.__defineGetter__('left', function() {
return this.screen.cols - this.width - this.right;
}
return (this.parent.left || 0) + left;
return (parent.left || 0) + left;
});
Element.prototype.__defineGetter__('right', function() {
@ -1700,6 +1716,8 @@ Element.prototype.__defineGetter__('right', function() {
Element.prototype.__defineGetter__('top', function() {
var top = this.position.top;
var parent = this.parent.spos();
if (typeof top === 'string') {
if (top === 'center') top = '50%';
top = +top.slice(0, -1) / 100;
@ -1713,7 +1731,7 @@ Element.prototype.__defineGetter__('top', function() {
return this.screen.rows - this.height - this.bottom;
}
return (this.parent.top || 0) + top;
return (parent.top || 0) + top;
});
Element.prototype.__defineGetter__('bottom', function() {
@ -2144,15 +2162,6 @@ Box.prototype.render = function(stop) {
xi = ret.xi, xl = ret.xl, yi = ret.yi, yl = ret.yl;
}
// TODO: Possibly do something like this, except more complex.
// if (this.parent.padding) {
// xi += this.parent.padding;
// xl += this.parent.padding;
// yi += this.parent.padding;
// yl += this.parent.padding;
// }
// if (this.parent.border) xi++, xl++, yi++, yl++;
ret = {
xi: xi,
xl: xl,

6
test/widget-shrink-padding.js
View File

@ -18,8 +18,10 @@ var inner = blessed.box({
parent: outer,
left: 0,
top: 0,
width: 5,
height: 5,
//width: 5,
//height: 5,
shrink: true,
content: 'foobar',
//padding: 1,
//content: 'f',
bg: 'magenta'