zyedidia.micro/cmd/micro/actionhandler.go

package main

import "time"

// The ActionHandler connects the buffer and the window
// It provides a cursor (or multiple) and defines a set of actions
// that can be taken on the buffer
// The ActionHandler can access the window for necessary info about
// visual positions for mouse clicks and scrolling
type ActionHandler struct {
	Buf *Buffer
	Win *Window

	// Since tcell doesn't differentiate between a mouse release event
	// and a mouse move event with no keys pressed, we need to keep
	// track of whether or not the mouse was pressed (or not released) last event to determine
	// mouse release events
	mouseReleased bool

	// We need to keep track of insert key press toggle
	isOverwriteMode bool
	// This stores when the last click was
	// This is useful for detecting double and triple clicks
	lastClickTime time.Time
	lastLoc       Loc

	// lastCutTime stores when the last ctrl+k was issued.
	// It is used for clearing the clipboard to replace it with fresh cut lines.
	lastCutTime time.Time

	// freshClip returns true if the clipboard has never been pasted.
	freshClip bool

	// Was the last mouse event actually a double click?
	// Useful for detecting triple clicks -- if a double click is detected
	// but the last mouse event was actually a double click, it's a triple click
	doubleClick bool
	// Same here, just to keep track for mouse move events
	tripleClick bool
}