120 lines
2.4 KiB
JavaScript
120 lines
2.4 KiB
JavaScript
var blessed = require('blessed')
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, program = blessed()
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, assert = require('assert');
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// My terminal size at the time of writing these tests:
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program.cols = 154;
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program.rows = 19;
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var screen = new blessed.Screen({
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program: program
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});
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var main = new blessed.Box({
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//width: '75%',
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//height: '75%',
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width: 115,
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height: 14,
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bg: 3,
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top: 2,
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left: 2,
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content: 'Welcome to my program'
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});
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screen.append(main);
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var inner = new blessed.Box({
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width: '50%',
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height: '50%',
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//width: 57,
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//height: 7,
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bg: 4,
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top: 2,
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left: 2,
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content: 'Hello'
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});
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main.append(inner);
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inner.setContent(inner.content + '\n' + JSON.stringify({
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left: inner.left,
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right: inner.right,
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top: inner.top,
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bottom: inner.bottom,
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width: inner.width,
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height: inner.height,
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rleft: inner.rleft,
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rright: inner.rright,
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rtop: inner.rtop,
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rbottom: inner.rbottom
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}));
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assert.equal(inner.width, 57);
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assert.equal(inner.height, 7);
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assert.equal(inner.left, 4);
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assert.equal(inner.right, 93);
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assert.equal(inner.top, 4);
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assert.equal(inner.bottom, 8);
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assert.equal(inner.rleft, 2);
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assert.equal(inner.rright, 56);
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assert.equal(inner.rtop, 2);
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assert.equal(inner.rbottom, 5);
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// Change left to half of the parent width.
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inner.rleft = '50%';
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assert.equal(inner.left, 59);
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// Change left to half of the screen width.
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inner.left = '50%';
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assert.equal(inner.left, screen.width / 2 | 0);
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// Test implied height/width.
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reset(inner, {
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top: 5,
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bottom: 5,
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left: 5,
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right: 5
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});
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assert.equal(inner.width, 105);
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assert.equal(inner.height, 4);
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// Demonstrate the difference between `left: 5`, and `.left = 5` (relative vs. absolute):
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inner.top = inner.bottom = inner.left = inner.right = 5;
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assert.equal(inner.width, 144);
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assert.equal(inner.height, 9);
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// Test center keyword
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reset(inner, {
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width: '50%',
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height: '50%',
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left: 'center',
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top: 'center'
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});
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assert.equal(inner.rleft, 29);
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assert.equal(inner.rtop, 4);
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// TODO: Start storing position.left, etc. as absolute?
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screen.on('keypress', function(ch, key) {
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if (key.name === 'escape' || key.name === 'q') {
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return process.exit(0);
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}
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});
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screen.render();
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function reset(el, pos) {
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pos = pos || {};
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el.position.width = el.options.width = pos.width;
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el.position.height = el.options.height = pos.height;
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el.position.left = el.options.left = pos.left;
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el.position.right = el.options.right = pos.right;
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el.position.top = el.options.top = pos.top;
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el.position.bottom = el.options.bottom = pos.bottom;
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}
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