joejulian/gio
1
0
Fork 1
mirror of https://git.sr.ht/~eliasnaur/gio synced 2026-07-01 15:45:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

ui/layout: convert Sized and Insets to use ui.Value

Browse Source 
Layout objects are usually ephemereal, but when saved and re-used
between frames their measurements are not updated with varying pixel
density and font scaling.

Go back to storing unconverted ui.Values instead of raw pixels,
and convert them at each use.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-07-09 11:28:41 +02:00
parent 8a34469211
commit 99be31bc26
1 changed files with 22 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ui/layout/layout.go
+22 -19
View File
@@ -68,25 +68,29 @@ func ExactConstraints(size image.Point) Constraints {
}
type Insets struct {
Top, Right, Bottom, Left float32
Top, Right, Bottom, Left ui.Value
ops *ui.Ops
begun bool
cs Constraints
top, right, bottom, left int
ops *ui.Ops
begun bool
cs Constraints
}
func (in *Insets) Begin(ops *ui.Ops, cs Constraints) Constraints {
func (in *Insets) Begin(c *ui.Config, ops *ui.Ops, cs Constraints) Constraints {
if in.begun {
panic("must End before Begin")
}
in.top = int(math.Round(float64(c.Val(in.Top))))
in.right= int(math.Round(float64(c.Val(in.Right))))
in.bottom = int(math.Round(float64(c.Val(in.Bottom))))
in.left = int(math.Round(float64(c.Val(in.Left))))
in.begun = true
in.ops = ops
in.cs = cs
mcs := cs
t, r, b, l := int(math.Round(float64(in.Top))), int(math.Round(float64(in.Right))), int(math.Round(float64(in.Bottom))), int(math.Round(float64(in.Left)))
if mcs.Width.Max != ui.Inf {
mcs.Width.Min -= l + r
mcs.Width.Max -= l + r
mcs.Width.Min -= in.left + in.right
mcs.Width.Max -= in.left + in.right
if mcs.Width.Min < 0 {
mcs.Width.Min = 0
}
@@ -95,8 +99,8 @@ func (in *Insets) Begin(ops *ui.Ops, cs Constraints) Constraints {
}
}
if mcs.Height.Max != ui.Inf {
mcs.Height.Min -= t + b
mcs.Height.Max -= t + b
mcs.Height.Min -= in.top + in.bottom
mcs.Height.Max -= in.top + in.bottom
if mcs.Height.Min < 0 {
mcs.Height.Min = 0
}
@@ -105,7 +109,7 @@ func (in *Insets) Begin(ops *ui.Ops, cs Constraints) Constraints {
}
}
ui.PushOp{}.Add(ops)
ui.TransformOp{Transform: ui.Offset(toPointF(image.Point{X: l, Y: t}))}.Add(ops)
ui.TransformOp{Transform: ui.Offset(toPointF(image.Point{X: in.left, Y: in.top}))}.Add(ops)
return mcs
}
@@ -116,14 +120,13 @@ func (in *Insets) End(dims Dimens) Dimens {
in.begun = false
ops := in.ops
ui.PopOp{}.Add(ops)
t, r, b, l := int(math.Round(float64(in.Top))), int(math.Round(float64(in.Right))), int(math.Round(float64(in.Bottom))), int(math.Round(float64(in.Left)))
return Dimens{
Size: in.cs.Constrain(dims.Size.Add(image.Point{X: r + l, Y: t + b})),
Baseline: dims.Baseline + t,
Size: in.cs.Constrain(dims.Size.Add(image.Point{X: in.right + in.left, Y: in.top + in.bottom})),
Baseline: dims.Baseline + in.top,
}
}
func EqualInsets(v float32) Insets {
func EqualInsets(v ui.Value) Insets {
return Insets{Top: v, Right: v, Bottom: v, Left: v}
}
@@ -132,11 +135,11 @@ func isInf(v ui.Value) bool {
}
type Sized struct {
Width, Height float32
Width, Height ui.Value
}
func (s Sized) Constrain(cs Constraints) Constraints {
if h := int(s.Height + 0.5); h != 0 {
func (s Sized) Constrain(c *ui.Config, cs Constraints) Constraints {
if h := int(c.Val(s.Height) + 0.5); h != 0 {
if cs.Height.Min < h {
cs.Height.Min = h
}
@@ -144,7 +147,7 @@ func (s Sized) Constrain(cs Constraints) Constraints {
cs.Height.Max = h
}
}
if w := int(s.Width + .5); w != 0 {
if w := int(c.Val(s.Width) + .5); w != 0 {
if cs.Width.Min < w {
cs.Width.Min = w
}