mouse.go

package terminal

import (
	"fyne.io/fyne/v2"
)

func (t *Terminal) handleMouseDownV200(btn int, mods fyne.KeyModifier, pos fyne.Position) {
	_, _ = t.Write(t.encodeMouse(btn, mods, pos))
}

func (t *Terminal) handleMouseDownX10(btn int, _ fyne.KeyModifier, pos fyne.Position) {
	_, _ = t.Write(t.encodeMouse(btn, 0, pos))
}

func (t *Terminal) handleMouseUpV200(btn int, mods fyne.KeyModifier, pos fyne.Position) {
	_, _ = t.Write(t.encodeMouse(0, mods, pos))
}

func (t *Terminal) handleMouseUpX10(_ int, _ fyne.KeyModifier, _ fyne.Position) {
	// no-op for X10 mode
}

func (t *Terminal) encodeMouse(button int, mods fyne.KeyModifier, pos fyne.Position) []byte {
	p := t.getTermPosition(pos)
	var btn byte
	if button == 0 {
		btn = 3
	} else {
		btn = byte(button) - 1
	}

	if mods&fyne.KeyModifierShift != 0 {
		btn += 4
	}
	if mods&fyne.KeyModifierAlt != 0 {
		btn += 8
	}
	if mods&fyne.KeyModifierControl != 0 {
		btn += 16
	}

	return []byte{asciiEscape, '[', 'M', 32 + btn, 32 + byte(p.Col), 32 + byte(p.Row)}
}