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Allow selecting word and entire line using sequential mouse clicking

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EnumDev 2025-06-13 13:43:16 +03:00
parent e2ac216d6e
commit 1b6b45aaea
1 changed files with 81 additions and 0 deletions
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81
src/window.go
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@ -5,6 +5,8 @@ import (
"log"
"slices"
"strings"
"time"
"unicode"
)
type CursorMode uint8
@ -36,6 +38,7 @@ type Window struct {
}
var mouseHeld = false
var lastClick int64 = 0
func CreateWindow() (*Window, error) {
window := Window{
@ -484,9 +487,12 @@ func (window *Window) mouseInput(ev *tcell.EventMouse) {
// Left click was pressed
if ev.Buttons() == tcell.Button1 {
// Get last click time
lastClickTime := time.UnixMilli(lastClick)
// Ensure click was in buffer area
x1, y1, x2, y2 := window.GetTextAreaDimensions()
if mouseX >= x1 && mouseY >= y1 && mouseX <= x2 && mouseY <= y2 {
currentX, currentY := window.GetCursorPos2D()
bufferMouseX, bufferMouseY := window.AbsolutePosToCursorPos2D(mouseX, mouseY)
if mouseHeld {
// Add to selection
@ -495,6 +501,10 @@ func (window *Window) mouseInput(ev *tcell.EventMouse) {
selectionStart: window.CurrentBuffer.CursorPos,
selectionEnd: window.CursorPos2DToCursorPos(bufferMouseX, bufferMouseY),
}
// Set last click time
lastClick = time.Now().UnixMilli()
return
} else {
window.CurrentBuffer.Selection.selectionEnd = window.CursorPos2DToCursorPos(bufferMouseX, bufferMouseY)
@ -503,6 +513,74 @@ func (window *Window) mouseInput(ev *tcell.EventMouse) {
if window.CurrentBuffer.Selection.selectionEnd >= len(window.CurrentBuffer.Contents) {
window.CurrentBuffer.Selection.selectionEnd = len(window.CurrentBuffer.Contents) - 1
}
} else if currentX == bufferMouseX && currentY == bufferMouseY && window.CurrentBuffer.CursorPos < len(window.CurrentBuffer.Contents) && time.Since(lastClickTime).Milliseconds() < 300 {
selectedText := window.CurrentBuffer.GetSelectedText()
if window.CurrentBuffer.Selection == nil || strings.HasSuffix(selectedText, "\n") {
// Select word
startOfWord := window.CurrentBuffer.CursorPos
endOfWord := window.CurrentBuffer.CursorPos
// Find end of word
for i := window.CurrentBuffer.CursorPos + 1; i < len(window.CurrentBuffer.Contents); i++ {
currentRune := rune(window.CurrentBuffer.Contents[i])
if unicode.IsLetter(currentRune) || unicode.IsDigit(currentRune) || currentRune == '_' {
endOfWord++
} else {
break
}
}
// Find start of word
for i := window.CurrentBuffer.CursorPos - 1; i >= 0; i-- {
currentRune := rune(window.CurrentBuffer.Contents[i])
if unicode.IsLetter(currentRune) || unicode.IsDigit(currentRune) || currentRune == '_' {
startOfWord--
} else {
break
}
}
// Add to selection
window.CurrentBuffer.Selection = &Selection{
selectionStart: startOfWord,
selectionEnd: endOfWord,
}
} else {
// Select line
startOfLine := window.CurrentBuffer.CursorPos
endOfLine := window.CurrentBuffer.CursorPos
// Find end of line
for i := window.CurrentBuffer.CursorPos + 1; i < len(window.CurrentBuffer.Contents); i++ {
currentLetter := window.CurrentBuffer.Contents[i]
endOfLine++
if currentLetter == '\n' {
break
}
}
// Find start of line
for i := window.CurrentBuffer.CursorPos - 1; i >= 0; i-- {
currentLetter := window.CurrentBuffer.Contents[i]
if currentLetter != '\n' {
startOfLine--
} else {
break
}
}
// Add to selection
window.CurrentBuffer.Selection = &Selection{
selectionStart: startOfLine,
selectionEnd: endOfLine,
}
}
// Set last click time
lastClick = time.Now().UnixMilli()
return
} else {
// Clear selection
if window.CurrentBuffer.Selection != nil {
@ -511,6 +589,9 @@ func (window *Window) mouseInput(ev *tcell.EventMouse) {
}
// Move cursor
window.SetCursorPos2D(bufferMouseX, bufferMouseY)
// Set last click time
lastClick = time.Now().UnixMilli()
}
mouseHeld = true
} else if ev.Buttons() == tcell.ButtonNone {