Commits
Diff
package crop
import (
"fmt"
"gui/cstyle"
"gui/element"
"strings"
)
func Init() cstyle.Plugin {
return cstyle.Plugin{
Selector: func(n *element.Node) bool {
if n.Style["overflow"] != "" || n.Style["overflow-x"] != "" || n.Style["overflow-y"] != "" {
// fmt.Println(n.Properties.Id)
return true
} else {
return false
}
},
Level: 1,
Handler: func(n *element.Node, state *map[string]element.State) {
// !TODO: Needs to find crop bounds for X
s := *state
self := s[n.Properties.Id]
// parent := s[n.Parent.Properties.Id]
scrollTop := findScroll(n)
fmt.Println(scrollTop)
minY, maxY := findBounds(n, state)
// // !ISSUE: Can add to the scroll value while it is pegged out
scrollAmt := ((maxY - minY) + self.Padding.Bottom + self.Padding.Top) / self.Height
for _, v := range n.Children {
if v.TagName == "grim-scrollbar" {
if scrollAmt > 1 {
diff := 1 - (scrollAmt - 1)
p := s[v.Children[0].Properties.Id]
p.Height = self.Height * diff
p.Y += float32(scrollAmt)
if self.Y+self.Height < p.Y+p.Height {
p.Y = (self.Y + self.Height) - p.Height
} else if p.Y < self.Y {
p.Y = self.Y
}
(*state)[v.Children[0].Properties.Id] = p
} else {
p := s[v.Properties.Id]
p.Hidden = true
(*state)[v.Properties.Id] = p
p = s[v.Children[0].Properties.Id]
p.Hidden = true
(*state)[v.Children[0].Properties.Id] = p
// originalWidth, originalPaddingRight := getOriginalStyles(n.Style)
// fmt.Println(n.Style["width"], originalWidth, originalPaddingRight)
// if originalWidth != "" {
// self.Width = utils.ConvertToPixels(originalWidth, self.EM, parent.Width)
// } else {
// self.Width = 0
// }
// if originalPaddingRight != "" {
// self.Padding.Right = utils.ConvertToPixels(originalPaddingRight, self.EM, parent.Width)
// } else {
// self.Padding.Right = 0
// }
// fmt.Println(self.Width, self.Padding.Right)
}
break
}
}
for _, v := range n.Children {
if v.Style["position"] == "fixed" || v.TagName == "grim-scrollbar" {
continue
}
child := s[v.Properties.Id]
if (child.Y+child.Height)-float32(scrollTop) < (self.Y) || (child.Y-float32(scrollTop)) > self.Y+self.Height {
child.Hidden = true
(*state)[v.Properties.Id] = child
} else {
child.Hidden = false
yCrop := 0
height := int(child.Height)
// !ISSUE: Text got messed up after the cropping? also in the raylib adapter with add the drawrect crop thing
if child.Y-float32(scrollTop) < (self.Y) {
yCrop = int((self.Y) - (child.Y - float32(scrollTop)))
height = int(child.Height) - yCrop
} else if (child.Y-float32(scrollTop))+child.Height > self.Y+self.Height {
diff := ((child.Y - float32(scrollTop)) + child.Height) - (self.Y + self.Height)
height = int(child.Height) - int(diff)
}
child.Crop = element.Crop{
X: 0,
Y: yCrop,
Width: int(child.Width),
Height: height,
}
(*state)[v.Properties.Id] = child
// child.Y -= float32(n.ScrollTop)
updateChildren(v, state, scrollTop)
}
}
(*state)[n.Properties.Id] = self
},
}
}
func updateChildren(n *element.Node, state *map[string]element.State, offset int) {
self := (*state)[n.Properties.Id]
self.Y -= float32(offset)
(*state)[n.Properties.Id] = self
for _, v := range n.Children {
updateChildren(v, state, offset)
}
}
func findBounds(n *element.Node, state *map[string]element.State) (float32, float32) {
s := *state
var minY, maxY float32
minY = 10e10
for _, v := range n.Children {
if strings.HasPrefix(v.TagName, "grim") {
continue
}
child := s[v.Properties.Id]
if child.Y < minY {
minY = child.Y
}
if child.Y+child.Height > maxY {
maxY = child.Y + child.Height
}
nMinY, nMaxY := findBounds(v, state)
if nMinY < minY {
minY = nMinY
}
if nMaxY > maxY {
maxY = nMaxY
}
}
return minY, maxY
}
func findScroll(n *element.Node) int {
if n.ScrollTop != 0 {
return n.ScrollTop
} else {
for _, v := range n.Children {
if v.Style["overflow"] == "" && v.Style["overflow-x"] == "" && v.Style["overflow-y"] == "" {
s := findScroll(v)
if s != 0 {
return s
}
}
}
return 0
}
}
// // Helper function to extract the original value from a calc expression
// func extractOriginalValue(value string, operator string) string {
// if strings.HasPrefix(value, "calc(") && strings.Contains(value, operator) {
// // Trim "calc(" and everything after the operator
// start := strings.TrimPrefix(value, "calc(")
// end := strings.Index(start, operator)
// if end != -1 {
// return start[:end]
// }
// }
// return ""
// }
// // Function to return the original width and padding-right
// func getOriginalStyles(n map[string]string) (originalWidth, originalPaddingRight string) {
// // Get the current width and padding-right
// currentWidth := n["width"]
// pr := n["padding-right"]
// // Handle the case where padding-right might be in padding shorthand
// if pr == "" {
// if n["padding"] != "" {
// pr = n["padding"]
// }
// }
// // Extract the original width by looking for calc and -
// originalWidth = extractOriginalValue(currentWidth, "-")
// // Extract the original padding-right by looking for calc and +
// originalPaddingRight = extractOriginalValue(pr, "+")
// return originalWidth, originalPaddingRight
// }
