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authornfnty <git@nfnty.se>2017-02-10 20:03:29 +0100
committernfnty <git@nfnty.se>2017-02-10 20:04:18 +0100
commit0008feed6e111b2d7f823a4c47f1a9577ed6251e (patch)
tree2935518fca8fd4d7f9af8f1aaabcf560df85d58f /doc/ranger.ext.html
parentb7c6483cf8b074a552c7d53b608c2cf19a305dfe (diff)
downloadranger-0008feed6e111b2d7f823a4c47f1a9577ed6251e.tar.gz
doc/howto-publish-a-release: Change to markdown
Diffstat (limited to 'doc/ranger.ext.html')
0 files changed, 0 insertions, 0 deletions
 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-03-02 17:42:13 +0000


 


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package ui

import "github.com/gdamore/tcell"

type Popover struct {
	x, y, width, height int
	content             Drawable
}

func (p *Popover) Draw(ctx *Context) {
	var subcontext *Context

	// trim desired width to fit
	width := p.width
	if p.x+p.width > ctx.Width() {
		width = ctx.Width() - p.x
	}

	if p.y+p.height+1 < ctx.Height() {
		// draw below
		subcontext = ctx.Subcontext(p.x, p.y+1, width, p.height)
	} else if p.y-p.height >= 0 {
		// draw above
		subcontext = ctx.Subcontext(p.x, p.y-p.height, width, p.height)
	} else {
		// can't fit entirely above or below, so find the largest available
		// vertical space and shrink to fit
		if p.y > ctx.Height()-p.y {
			// there is more space above than below
			height := p.y
			subcontext = ctx.Subcontext(p.x, 0, width, height)
		} else {
			// there is more space below than above
			height := ctx.Height() - p.y
			subcontext = ctx.Subcontext(p.x, p.y+1, width, height-1)
		}
	}
	p.content.Draw(subcontext)
}

func (p *Popover) Event(e tcell.Event) bool {
	if di, ok := p.content.(DrawableInteractive); ok {
		return di.Event(e)
	}
	return false
}

func (p *Popover) Focus(f bool) {
	if di, ok := p.content.(DrawableInteractive); ok {
		di.Focus(f)
	}
}

func (p *Popover) Invalidate() {
	p.content.Invalidate()
}

func (p *Popover) OnInvalidate(f func(Drawable)) {
	p.content.OnInvalidate(func(_ Drawable) {
		f(p)
	})
}