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package uitcell
import (
"fmt"
"github.com/prodhe/poe/editor"
)
const (
RuneVerticalLine = '\u2502' // \u007c = |, \u23b8, \u2502
)
type Workspace struct {
x, y, w, h int
tagline *View
cols []*Column
}
type Column struct {
x, y, w, h int
tagline *View
windows []*Window
}
// Add adds a new column and resizes.
func (wrk *Workspace) AddCol() *Column {
nx, ny := wrk.x, wrk.y
nw, nh := wrk.w, wrk.h
if len(wrk.cols) > 0 {
nx = wrk.cols[len(wrk.cols)-1].x + wrk.cols[len(wrk.cols)-1].w/2
nw = wrk.cols[len(wrk.cols)-1].w / 2
wrk.cols[len(wrk.cols)-1].w /= 2
}
newcol := &Column{
x: nx,
y: ny,
w: nw,
h: nh,
tagline: &View{
text: &editor.Buffer{},
what: ViewColumn,
style: bodyStyle,
cursorStyle: bodyCursorStyle,
hilightStyle: bodyHilightStyle,
tabstop: 4,
},
windows: nil,
}
fmt.Fprintf(newcol.tagline, "%s", "New Delcol ")
if len(wrk.cols) > 1 {
wrk.cols = append(wrk.cols[:len(wrk.cols)-1], newcol, wrk.cols[len(wrk.cols)-1])
} else {
wrk.cols = append(wrk.cols, newcol)
}
wrk.Resize(wrk.x, wrk.y, wrk.w, wrk.h) // for re-arranging side effects
return newcol
}
func (wrk *Workspace) CloseCol(c *Column) {
var j int
for _, col := range wrk.cols {
if col != c {
wrk.cols[j] = col
j++
}
}
wrk.cols = wrk.cols[:j]
wrk.Resize(wrk.x, wrk.y, wrk.w, wrk.h) // for re-arranging side effects
}
func (wrk *Workspace) Col(i int) *Column {
if i > len(wrk.cols)-1 {
return nil
}
return wrk.cols[i]
}
func (wrk *Workspace) LastCol() *Column {
return wrk.cols[len(wrk.cols)-1]
}
func (wrk *Workspace) Resize(x, y, w, h int) {
wrk.x, wrk.y, wrk.w, wrk.h = x, y, w, h
wrk.tagline.x, wrk.tagline.y, wrk.tagline.w = x, y, w
wrk.tagline.h = 1
n := len(wrk.cols)
if n == 0 {
return
}
var remainder int
if n > 0 {
remainder = w % (n)
}
for i := range wrk.cols {
if i == 0 {
var firstvertline int
if n > 1 {
firstvertline = 1
}
wrk.cols[i].Resize(x, y+1, (w/n)+remainder-(n-1)-firstvertline, h)
continue
}
// +i-n-1 on x so we do not draw on last vert line of previous col
wrk.cols[i].Resize((w/n)*i+remainder+i-(n-1), y+1, (w/n)-1, h)
}
}
func (wrk *Workspace) Draw() {
wrk.tagline.Draw()
for _, col := range wrk.cols {
col.Draw()
// draw vertical lines between cols
for x, y := col.x+col.w+1, wrk.y+1; y < wrk.y+wrk.h; y++ {
screen.SetContent(x, y, RuneVerticalLine, nil, vertlineStyle)
}
}
}
func (c *Column) AddWindow(win *Window) {
win.col = c
c.windows = append(c.windows, win)
c.ResizeWindows()
}
func (c *Column) CloseWindow(w *Window) {
var j int
for _, win := range c.windows {
if win != w {
c.windows[j] = win
j++
}
}
c.windows = c.windows[:j]
if CurWin == w {
// If we are not out of windows in our own column, pick another or do nothing
if len(c.windows) > 0 {
CurWin = c.windows[j-1]
} else {
// clear clutter
screen.Clear()
return
}
}
c.ResizeWindows()
}
func (c *Column) Resize(x, y, w, h int) {
c.x, c.y = x, y
c.w, c.h = w, h
c.tagline.x, c.tagline.y = x, y
c.tagline.w, c.tagline.h = w, 1
c.ResizeWindows()
}
func (c *Column) ResizeWindows() {
n := len(c.windows)
var remainder int
if n > 0 {
remainder = c.h % n
}
for i, win := range c.windows {
if i == 0 {
win.Resize(c.x, c.y+1, c.w, (c.h/n)+remainder)
continue
}
win.Resize(c.x, c.y+1+(c.h/n)*i+remainder, c.w, c.h/n)
}
}
func (c *Column) Draw() {
c.tagline.Draw()
for _, win := range c.windows {
win.Draw()
}
if len(c.windows) == 0 {
x, y := c.x, c.y+1
for ; y < c.y+c.h; y++ {
x = c.x + c.w
for x >= c.x {
screen.SetContent(x, y, ' ', nil, bodyStyle)
x--
}
}
}
}
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