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Improve and fix bugs with the SetCursorPos2D function

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This commit is contained in:
EnumDev 2025-06-06 18:21:05 +03:00
parent e14f2d9a74
commit 93b7cb3c62
1 changed files with 21 additions and 8 deletions
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29
src/window.go
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@ -319,9 +319,17 @@ func (window *Window) SetCursorPos(position int) {
}
func (window *Window) SetCursorPos2D(x, y int) {
// Ensure x and y are positive
x = max(x, 0)
y = max(y, 0)
// Set cursor position to 0 buffer is empty
if len(window.textArea.CurrentBuffer.Contents) == 0 {
window.SetCursorPos(0)
return
}
// Create line slice from buffer contents
lines := make([]struct {
charIndex int
str string
@ -330,7 +338,7 @@ func (window *Window) SetCursorPos2D(x, y int) {
var str string
for i, char := range window.textArea.CurrentBuffer.Contents {
str += string(char)
if char == '\n' || i == len(window.textArea.CurrentBuffer.Contents) {
if char == '\n' || i == len(window.textArea.CurrentBuffer.Contents)-1 {
lines = append(lines, struct {
charIndex int
str string
@ -339,14 +347,19 @@ func (window *Window) SetCursorPos2D(x, y int) {
}
}
y = min(y, len(lines))
if y == len(lines) {
x = 0
window.SetCursorPos(lines[y-1].charIndex + len(lines[y-1].str) + 1)
// Append extra character or line
if window.textArea.CurrentBuffer.Contents[len(window.textArea.CurrentBuffer.Contents)-1] == '\n' {
lines = append(lines, struct {
charIndex int
str string
}{charIndex: len(window.textArea.CurrentBuffer.Contents), str: " "})
} else {
x = min(x, len(lines[y].str)-1)
window.SetCursorPos(lines[y].charIndex + x)
lines[len(lines)-1].str += " "
}
// Limit x and y
y = min(y, len(lines)-1)
x = min(x, len(lines[y].str)-1)
window.SetCursorPos(lines[y].charIndex + x)
}