116 lines
2.4 KiB
Go
116 lines
2.4 KiB
Go
package cui
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import (
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"fmt"
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"strings"
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)
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type box struct {
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row1 int
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col1 int
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row2 int
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col2 int
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}
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// TODO add coloring
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type Window struct {
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Box box
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Scrollbar bool
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Scrollposition int
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Content []string
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drawBox bool
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Active bool
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Show bool
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}
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func (w *Window) DrawWindow() {
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w.DrawContent()
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if w.drawBox {
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w.DrawBox()
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}
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}
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func (w *Window) DrawBox(){
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lead := ""
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if w.Active {
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lead = "a"
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}
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moveThenDrawShape(w.Box.row1, w.Box.col1, lead + "tl")
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moveThenDrawShape(w.Box.row1, w.Box.col2, lead + "tr")
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moveThenDrawShape(w.Box.row2, w.Box.col1, lead + "bl")
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moveThenDrawShape(w.Box.row2, w.Box.col2, lead + "br")
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for i := w.Box.col1 + 1; i < w.Box.col2; i++ {
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moveThenDrawShape(w.Box.row1, i, lead + "ceiling")
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moveThenDrawShape(w.Box.row2, i, lead + "ceiling")
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}
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for i:= w.Box.row1 + 1; i < w.Box.row2; i++ {
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moveThenDrawShape(i, w.Box.col1, lead + "wall")
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moveThenDrawShape(i, w.Box.col2, lead + "wall")
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}
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}
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func (w *Window) DrawContent(){
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var maxlines, border_thickness, contenth int
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var short_content bool = false
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if w.drawBox {
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border_thickness, contenth = -1, 1
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} else {
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border_thickness, contenth = 1, 0
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}
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height := w.Box.row2 - w.Box.row1 + border_thickness
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width := w.Box.col2 - w.Box.col1 + border_thickness
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content := WrapLines(w.Content, width)
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if len(content) < w.Scrollposition + height {
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maxlines = len(content)
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short_content = true
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} else {
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maxlines = w.Scrollposition + height
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}
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for i := w.Scrollposition; i < maxlines; i++ {
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MoveCursorTo(w.Box.row1 + contenth + i - w.Scrollposition, w.Box.col1 + contenth)
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fmt.Print( strings.Repeat(" ", width) )
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MoveCursorTo(w.Box.row1 + contenth + i - w.Scrollposition, w.Box.col1 + contenth)
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fmt.Print(content[i])
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}
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if short_content {
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for i := len(content); i <= height; i++ {
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MoveCursorTo(w.Box.row1 + contenth + i - w.Scrollposition, w.Box.col1 + contenth)
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fmt.Print( strings.Repeat(" ", width) )
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}
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}
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}
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func (w *Window) ScrollDown() {
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var border_thickness int
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if w.drawBox {
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border_thickness = -1
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} else {
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border_thickness = 1
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}
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height := w.Box.row2 - w.Box.row1 + border_thickness
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contentLength := len(w.Content)
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if w.Scrollposition < contentLength - height {
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w.Scrollposition++
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} else {
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fmt.Print("\a")
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}
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}
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func (w *Window) ScrollUp() {
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if w.Scrollposition > 0 {
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w.Scrollposition--
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} else {
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fmt.Print("\a")
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}
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}
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