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The list element calls the scroll bounds change callback

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This commit is contained in:
Sasha Koshka
2023-03-17 01:58:42 -04:00
parent 493c5210a7
commit d651570746
2 changed files with 17 additions and 22 deletions
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37
elements/basic/list.go
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@@ -65,9 +65,7 @@ func (element *List) handleResize () {
element.scroll = element.maxScrollHeight()
}
element.draw()
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// SetTheme sets the element's theme.
@@ -103,9 +101,7 @@ func (element *List) redo () {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// Collapse forces a minimum width and height upon the list. If a zero value is
@@ -209,9 +205,7 @@ func (element *List) ScrollTo (position image.Point) {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// ScrollAxes returns the supported axes for scrolling.
@@ -264,9 +258,7 @@ func (element *List) Append (entry ListEntry) {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// EntryAt returns the entry at the specified index. If the index is out of
@@ -297,9 +289,7 @@ func (element *List) Insert (index int, entry ListEntry) {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// Remove removes the entry at the specified index. If the index is out of
@@ -320,9 +310,7 @@ func (element *List) Remove (index int) {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// Replace replaces the entry at the specified index with another. If the index
@@ -342,9 +330,7 @@ func (element *List) Replace (index int, entry ListEntry) {
element.draw()
element.core.DamageAll()
}
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
element.scrollBoundsChange()
}
// Select selects a specific item in the list. If the index is out of bounds,
@@ -432,6 +418,15 @@ func (element *List) updateMinimumSize () {
element.core.SetMinimumSize(minimumWidth, minimumHeight)
}
func (element *List) scrollBoundsChange () {
if parent, ok := element.core.Parent().(elements.ScrollableParent); ok {
parent.NotifyScrollBoundsChange(element)
}
if element.onScrollBoundsChange != nil {
element.onScrollBoundsChange()
}
}
func (element *List) draw () {
bounds := element.Bounds()
padding := element.theme.Padding(theme.PatternSunken)