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clamp camera fixes panic when trying to scroll out of bounds

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This commit is contained in:
Felix Angell 2018-05-18 23:31:24 +01:00
parent 2012c04a10
commit a7ce51cac2
1 changed files with 9 additions and 0 deletions
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9
gui/buffer.go
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@ -1092,6 +1092,14 @@ func (b *Buffer) OnUpdate() bool {
b.cam.y = b.cam.dy
}
// clamp camera
if b.cam.y <= 0 {
b.cam.y = 0
}
if b.cam.x <= 0 {
b.cam.x = 0
}
switch strife.MouseButtonsState() {
case strife.LeftMouseButton:
b.processLeftClick()
@ -1268,6 +1276,7 @@ func (b *Buffer) renderAt(ctx *strife.Renderer, rx int, ry int) {
if start > len(b.table.Lines) {
start = len(b.table.Lines)
}
if upper > len(b.table.Lines) {
upper = len(b.table.Lines)
}