104 lines
1.9 KiB
Go
104 lines
1.9 KiB
Go
// Copyright 2015 Zack Guo <gizak@icloud.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
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// be found in the LICENSE file.
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package termui
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// basic struct, consider it as css: display:block
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type Block struct {
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X int
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Y int
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Border labeledBorder
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IsDisplay bool
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HasBorder bool
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BgColor Attribute
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Width int
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Height int
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innerWidth int
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innerHeight int
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innerX int
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innerY int
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PaddingTop int
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PaddingBottom int
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PaddingLeft int
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PaddingRight int
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}
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func NewBlock() *Block {
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d := Block{}
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d.IsDisplay = true
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d.HasBorder = theme.HasBorder
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d.Border.BgColor = theme.BorderBg
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d.Border.FgColor = theme.BorderFg
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d.Border.LabelBgColor = theme.BorderLabelTextBg
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d.Border.LabelFgColor = theme.BorderLabelTextFg
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d.BgColor = theme.BlockBg
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d.Width = 2
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d.Height = 2
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return &d
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}
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// compute box model
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func (d *Block) align() {
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d.innerWidth = d.Width - d.PaddingLeft - d.PaddingRight
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d.innerHeight = d.Height - d.PaddingTop - d.PaddingBottom
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d.innerX = d.X + d.PaddingLeft
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d.innerY = d.Y + d.PaddingTop
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if d.HasBorder {
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d.innerHeight -= 2
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d.innerWidth -= 2
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d.Border.X = d.X
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d.Border.Y = d.Y
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d.Border.Width = d.Width
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d.Border.Height = d.Height
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d.innerX += 1
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d.innerY += 1
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}
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}
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func (d *Block) Buffer() []Point {
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d.align()
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ps := []Point{}
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if !d.IsDisplay {
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return ps
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}
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if d.HasBorder {
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ps = d.Border.Buffer()
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}
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for i := 0; i < d.innerWidth; i++ {
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for j := 0; j < d.innerHeight; j++ {
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p := Point{}
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p.X = d.X + 1 + i
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p.Y = d.Y + 1 + j
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p.Ch = ' '
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p.Bg = d.BgColor
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ps = append(ps, p)
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}
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}
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return ps
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}
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func (d Block) GetHeight() int {
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return d.Height
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}
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func (d Block) GetWidth() int {
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return d.Width
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}
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func (d *Block) SetX(x int) {
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d.X = x
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}
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func (d *Block) SetY(y int) {
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d.Y = y
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}
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func (d *Block) SetWidth(w int) {
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d.Width = w
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}
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