brian/tcell-widgets
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Buffers ?!

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This commit is contained in:
Brian Buller
2025-10-15 16:25:18 -05:00
parent 7a1afd67ac
commit f823a24fe8
10 changed files with 375 additions and 51 deletions
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34
wdgt_absolute_layout.go
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@@ -22,6 +22,7 @@ THE SOFTWARE.
package widgets
import (
wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
"github.com/gdamore/tcell"
)
@@ -31,6 +32,7 @@ type AbsoluteLayout struct {
x, y int
w, h int
bordered bool
widgets []Widget
wCoords map[Widget]Coord
wAnchor map[Widget]AbsoluteAnchor
@@ -151,6 +153,9 @@ func (w *AbsoluteLayout) Draw(screen tcell.Screen) {
return
}
p := w.GetPos()
if w.bordered {
wh.Border(p.X, p.Y, p.X+w.w, p.Y+w.h, wh.BRD_CSIMPLE, w.style, screen)
}
for _, wd := range w.widgets {
p.DrawOffset(wd, screen)
}
@@ -229,6 +234,8 @@ func (w *AbsoluteLayout) Log(txt string) {
}
}
func (w *AbsoluteLayout) SetBordered(b bool) { w.bordered = b }
func (w *AbsoluteLayout) updateWidgetLayouts() {
// In an Absolute Layout, widgets are given a definite position and anchor.
// The anchor is a side of the layout (see AbsoluteAnchor type)
@@ -268,7 +275,9 @@ func (w *AbsoluteLayout) updateWidgetSize(wd Widget) {
}
// Set a widgets position relative to the layout
func (w *AbsoluteLayout) updateWidgetPos(wd Widget) { wd.SetPos(w.getRelPos(wd)) }
func (w *AbsoluteLayout) updateWidgetPos(wd Widget) {
wd.SetPos(w.getRelPos(wd))
}
// Manually set the size of a widget, the Layout won't override it
func (w *AbsoluteLayout) SetWidgetSize(wd Widget, sz Coord) { w.wManualSizes[wd] = sz }
@@ -288,34 +297,41 @@ func (w *AbsoluteLayout) getRelPos(wd Widget) Coord {
if a, ok = w.wAnchor[wd]; !ok {
a = w.defAnchor
}
leftX, topY, rightX, bottomY := 0, 0, w.w, w.h
if w.bordered {
leftX += 1
topY += 1
rightX -= 1
bottomY -= 1
}
midX, midY := (w.w / 2), (w.h / 2)
switch a {
case AnchorTL:
return p
return p.Add(Coord{X: leftX, Y: topY})
case AnchorT:
return p.Add(Coord{X: midX - (wd.GetW() / 2), Y: 0})
return p.Add(Coord{X: midX - (wd.GetW() / 2), Y: topY})
case AnchorTR:
return p.Add(Coord{X: w.w - wd.GetW(), Y: 0})
return p.Add(Coord{X: rightX - wd.GetW(), Y: topY})
case AnchorL:
return p.Add(Coord{X: 0, Y: midY - (wd.GetH() / 2)})
return p.Add(Coord{X: leftX, Y: midY - (wd.GetH() / 2)})
case AnchorC:
return p.Add(Coord{X: midX - (wd.GetW() / 2), Y: midY - (wd.GetH() / 2)})
case AnchorR:
return p.Add(Coord{X: w.w - wd.GetW(), Y: midY - (wd.GetH() / 2)})
return p.Add(Coord{X: rightX - wd.GetW(), Y: midY - (wd.GetH() / 2)})
case AnchorBR:
return p.Add(Coord{X: w.w - wd.GetW(), Y: w.h - wd.GetH()})
return p.Add(Coord{X: rightX - wd.GetW(), Y: bottomY - wd.GetH()})
case AnchorB:
return p.Add(Coord{X: midX - (wd.GetW() / 2), Y: w.h - wd.GetH()})
return p.Add(Coord{X: midX - (wd.GetW() / 2), Y: bottomY - wd.GetH()})
case AnchorBL:
return p.Add(Coord{X: 0, Y: w.h - wd.GetH()})
return p.Add(Coord{X: leftX, Y: bottomY - wd.GetH()})
}
return p