removed copyright from one-line, docstring-only __init__.py files - ranger - mirror of ranger

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author	hut <hut@lavabit.com>	2010-03-12 01:03:31 +0100
committer	hut <hut@lavabit.com>	2010-03-12 01:03:31 +0100
commit	936211c8913fe2ed9df9e97342e8ddf3b939c6bb (patch)
tree	deadb5a690fd9a9d6c7be5a5722e70ce7a051641 /doc/uml/cpp_includes
parent	39edded7b8dcc7a65955bf69e30182dd80f2de09 (diff)
download	ranger-936211c8913fe2ed9df9e97342e8ddf3b939c6bb.tar.gz

removed copyright from one-line, docstring-only __init__.py files

Diffstat (limited to 'doc/uml/cpp_includes')

0 files changed, 0 insertions, 0 deletions

title='author Drew DeVault <sir@cmpwn.com> 2018-02-17 19:42:29 -0500 committer Drew DeVault <sir@cmpwn.com> 2018-02-17 19:42:29 -0500 Implement tab container' href='/akspecs/aerc/commit/ui/tab.go?h=0.5.0&id=5b2e3a0ca0b549c569ff6c01549c2dc425b0ba40'>5b2e3a0 ^

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package ui

import (
	"github.com/gdamore/tcell"
	"github.com/mattn/go-runewidth"
)

type Tabs struct {
	Tabs       []*Tab
	TabStrip   *TabStrip
	TabContent *TabContent
	Selected   int
	history    []int

	onInvalidateStrip   func(d Drawable)
	onInvalidateContent func(d Drawable)
}

type Tab struct {
	Content Drawable
	Name    string
	invalid bool
}

type TabStrip Tabs
type TabContent Tabs

func NewTabs() *Tabs {
	tabs := &Tabs{}
	tabs.TabStrip = (*TabStrip)(tabs)
	tabs.TabContent = (*TabContent)(tabs)
	tabs.history = []int{0}
	return tabs
}

func (tabs *Tabs) Add(content Drawable, name string) *Tab {
	tab := &Tab{
		Content: content,
		Name:    name,
	}
	tabs.Tabs = append(tabs.Tabs, tab)
	tabs.TabStrip.Invalidate()
	content.OnInvalidate(tabs.invalidateChild)
	return tab
}

func (tabs *Tabs) invalidateChild(d Drawable) {
	if tabs.Selected >= len(tabs.Tabs) {
		return
	}

	if tabs.Tabs[tabs.Selected].Content == d {
		if tabs.onInvalidateContent != nil {
			tabs.onInvalidateContent(tabs.TabContent)
		}
	}
}

func (tabs *Tabs) Remove(content Drawable) {
	for i, tab := range tabs.Tabs {
		if tab.Content == content {
			tabs.Tabs = append(tabs.Tabs[:i], tabs.Tabs[i+1:]...)
			tabs.removeHistory(i)
			break
		}
	}
	tabs.Select(tabs.popHistory())
	tabs.TabStrip.Invalidate()
}

func (tabs *Tabs) Replace(contentSrc Drawable, contentTarget Drawable, name string) {
	replaceTab := &Tab{
		Content: contentTarget,
		Name:    name,
	}
	for i, tab := range tabs.Tabs {
		if tab.Content == contentSrc {
			tabs.Tabs[i] = replaceTab
			tabs.Select(i)
			break
		}
	}
	tabs.TabStrip.Invalidate()
	contentTarget.OnInvalidate(tabs.invalidateChild)
}

func (tabs *Tabs) Select(index int) {
	if index >= len(tabs.Tabs) {
		panic("Tried to set tab index to a non-existing element")
	}

	if tabs.Selected != index {
		tabs.Selected = index
		tabs.pushHistory(index)
		tabs.TabStrip.Invalidate()
		tabs.TabContent.Invalidate()
	}
}

func (tabs *Tabs) pushHistory(index int) {
	tabs.history = append(tabs.history, index)
}

func (tabs *Tabs) popHistory() int {
	lastIdx := len(tabs.history) - 1
	item := tabs.history[lastIdx]
	tabs.history = tabs.history[:lastIdx]
	return item
}

func (tabs *Tabs) removeHistory(index int) {
	newHist := make([]int, 0, len(tabs.history))
	for i, item := range tabs.history {
		if item == index {
			continue
		}
		if item > index {
			item = item - 1
		}
		// dedup
		if i > 0 && len(newHist) > 0 && item == newHist[len(newHist)-1] {
			continue
		}
		newHist = append(newHist, item)
	}
	tabs.history = newHist
}

// TODO: Color repository
func (strip *TabStrip) Draw(ctx *Context) {
	x := 0
	for i, tab := range strip.Tabs {
		style := tcell.StyleDefault.Reverse(true)
		if strip.Selected == i {
			style = tcell.StyleDefault
		}
		trunc := runewidth.Truncate(tab.Name, 32, "…")
		x += ctx.Printf(x, 0, style, " %s ", trunc)
	}
	style := tcell.StyleDefault.Reverse(true)
	ctx.Fill(x, 0, ctx.Width()-x, 1, ' ', style)
}

func (strip *TabStrip) Invalidate() {
	if strip.onInvalidateStrip != nil {
		strip.onInvalidateStrip(strip)
	}
}

func (strip *TabStrip) OnInvalidate(onInvalidate func(d Drawable)) {
	strip.onInvalidateStrip = onInvalidate
}

func (content *TabContent) Children() []Drawable {
	children := make([]Drawable, len(content.Tabs))
	for i, tab := range content.Tabs {
		children[i] = tab.Content
	}
	return children
}

func (content *TabContent) Draw(ctx *Context) {
	if content.Selected >= len(content.Tabs) {
		width := ctx.Width()
		height := ctx.Height()
		ctx.Fill(0, 0, width, height, ' ', tcell.StyleDefault)
	}

	tab := content.Tabs[content.Selected]
	tab.Content.Draw(ctx)
}

func (content *TabContent) Invalidate() {
	if content.onInvalidateContent != nil {
		content.onInvalidateContent(content)
	}
	tab := content.Tabs[content.Selected]
	tab.Content.Invalidate()
}

func (content *TabContent) OnInvalidate(onInvalidate func(d Drawable)) {
	content.onInvalidateContent = onInvalidate
}


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