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package main
import (
"strings"
"go.wit.com/log"
"go.wit.com/toolkits/tree"
"go.wit.com/widget"
)
func (tk *guiWidget) placeBox(startW int, startH int) (int, int) {
if tk.WidgetType != widget.Box {
return 0, 0
}
tk.dumpTree("beforebox")
newW := startW
newH := startH
var maxW int = 0
var maxH int = 0
for _, child := range tk.children {
sizeW, sizeH := child.placeWidgets(newW, newH)
if child.direction == widget.Horizontal {
log.Log(NOW, "BOX IS HORIZONTAL", tk.String(), "newWH()", newW, newH, "child()", sizeW, sizeH, child.String())
// expand based on the child width
newW += sizeW
maxW += sizeW
if sizeH > maxH {
maxH = sizeH
}
} else {
log.Log(NOW, "BOX IS VERTICAL ", tk.String(), "newWH()", newW, newH, "child()", sizeW, sizeH, child.String())
// expand based on the child height
newH += sizeH
maxH += sizeH
if sizeW > maxW {
maxW = sizeW
}
}
}
// just compute this every time?
// newR := n.realGocuiSize()
tk.dumpTree("afterbox")
return maxW, maxH
}
func (tk *guiWidget) placeWidgets(startW int, startH int) (int, int) {
if tk == nil {
return 0, 0
}
if me.treeRoot == nil {
return 0, 0
}
switch tk.WidgetType {
case widget.Window:
newW := startW
newH := startH
var maxH int = 0
for _, child := range tk.children {
sizeW, sizeH := child.placeWidgets(newW, newH)
if sizeW < 20 {
sizeW = 20
}
newW += sizeW
if sizeH > maxH {
maxH = sizeH
}
}
return newW - startW, maxH
case widget.Tab:
case widget.Grid:
return tk.placeGrid(startW, startH)
case widget.Box:
return tk.placeBox(startW, startH)
case widget.Group:
// move the group to the parent's next location
tk.gocuiSetWH(startW, startH)
tk.dumpTree("start place")
newW := startW + me.GroupPadW
newH := startH + 3 // normal hight of the group label
var maxW int = 0
// now move all the children aka: run place() on them
for _, child := range tk.children {
sizeW, sizeH := child.placeWidgets(newW, newH)
// newR := child.realGocuiSize()
// w := newR.w1 - newR.w0
// h := newR.h1 - newR.h0
// increment straight down
newH += sizeH
if sizeW > maxW {
maxW = sizeW
}
log.Log(INFO, "REAL HEIGHT sizeW:", sizeW, "sizeH:", sizeH)
}
tk.dumpTree("end place")
return maxW, newH - startH
default:
tk.gocuiSetWH(startW, startH)
return tk.Width(), tk.Height()
}
return 0, 0
}
func (w *guiWidget) placeGrid(startW int, startH int) (int, int) {
w.showWidgetPlacement("grid0:")
if w.WidgetType != widget.Grid {
return 0, 0
}
// first compute the max sizes of the rows and columns
for _, child := range w.children {
childW, childH := child.placeWidgets(startW, startH)
// set the child's realWidth, and grid offset
if w.widths[child.AtW] < childW {
w.widths[child.AtW] = childW
}
if w.heights[child.AtH] < childH {
w.heights[child.AtH] = childH
}
// child.showWidgetPlacement("grid: ")
log.Log(INFO, "placeGrid:", child.String(), "child()", childW, childH, "At()", child.AtW, child.AtH)
}
var maxW int = 0
var maxH int = 0
// find the width and height offset of the grid for AtW,AtH
for _, child := range w.children {
child.showWidgetPlacement("grid1:")
var totalW, totalH int
for i, w := range w.widths {
if i < child.AtW {
totalW += w
}
}
for i, h := range w.heights {
if i < child.AtH {
totalH += h
}
}
// the new corner to move the child to
newW := startW + totalW
newH := startH + totalH
if totalW > maxW {
maxW = totalW
}
if totalH > maxH {
maxH = totalH
}
log.Log(INFO, "placeGrid:", child.String(), "new()", newW, newH, "At()", child.AtW, child.AtH)
child.placeWidgets(newW, newH)
child.showWidgetPlacement("grid2:")
}
w.showWidgetPlacement("grid3:")
return maxW, maxH
}
// computes the real, actual size of all the gocli objects in a widget
func (w *guiWidget) realGocuiSize() *rectType {
var f func(tk *guiWidget, r *rectType)
newR := new(rectType)
// initialize the values to opposite
newR.w0 = 80
newR.h0 = 24
if me.baseGui != nil {
maxW, maxH := me.baseGui.Size()
newR.w0 = maxW
newR.h0 = maxH
}
newR.w1 = 0
newR.h1 = 0
// expand the rectangle to the biggest thing displayed
f = func(tk *guiWidget, r *rectType) {
newR := tk.gocuiSize
if !tk.isFake {
if r.w0 > newR.w0 {
r.w0 = newR.w0
}
if r.h0 > newR.h0 {
r.h0 = newR.h0
}
if r.w1 < newR.w1 {
r.w1 = newR.w1
}
if r.h1 < newR.h1 {
r.h1 = newR.h1
}
}
for _, child := range tk.children {
f(child, r)
}
}
f(w, newR)
return newR
}
func textSize(n *tree.Node) (int, int) {
var tk *guiWidget
tk = n.TK.(*guiWidget)
var width, height int
for _, s := range strings.Split(widget.GetString(tk.value), "\n") {
if width < len(s) {
width = len(s)
}
height += 1
}
return width, height
}
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