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cchat-gtk/internal/ui/messages/header.go

175 lines
3.7 KiB
Go

package messages
import (
"html"
"strings"
"github.com/diamondburned/cchat-gtk/internal/ui/primitives"
"github.com/diamondburned/cchat-gtk/internal/ui/service/session/server/traverse"
"github.com/diamondburned/handy"
"github.com/gotk3/gotk3/gtk"
"github.com/gotk3/gotk3/pango"
)
// const BreadcrumbSlash = `<span rise="-1024" size="x-large">❭</span>`
const BreadcrumbSlash = " 〉"
const iconSize = gtk.ICON_SIZE_BUTTON
type Header struct {
handy.HeaderBar
ShowBackBtn *gtk.Revealer
BackButton *gtk.Button
Breadcrumb *gtk.Label
MessageCtrl *MessageControl
ShowMembers *gtk.ToggleButton
breadcrumbs []string
minicrumbs bool
}
var backButtonCSS = primitives.PrepareClassCSS("back-button", `
.back-button {
margin-left: 14px;
}
`)
var rightBreadcrumbCSS = primitives.PrepareClassCSS("right-breadcrumb", `
.right-breadcrumb {
margin-left: 14px;
}
`)
func NewHeader() *Header {
bk, _ := gtk.ButtonNewFromIconName("go-previous-symbolic", iconSize)
bk.SetVAlign(gtk.ALIGN_CENTER)
bk.Show()
backButtonCSS(bk)
rbk, _ := gtk.RevealerNew()
rbk.Add(bk)
rbk.SetRevealChild(false)
rbk.SetTransitionType(gtk.REVEALER_TRANSITION_TYPE_SLIDE_LEFT)
rbk.SetTransitionDuration(50)
rbk.Show()
bc, _ := gtk.LabelNew(BreadcrumbSlash)
bc.SetUseMarkup(true)
bc.SetXAlign(0.0)
bc.SetEllipsize(pango.ELLIPSIZE_MIDDLE)
bc.SetSingleLineMode(true)
bc.SetHExpand(true)
bc.SetMaxWidthChars(75)
bc.Show()
rightBreadcrumbCSS(bc)
msgctrl := NewMessageControl()
msgctrl.Disable()
msgctrl.Show()
memberIcon, _ := gtk.ImageNewFromIconName("system-users-symbolic", iconSize)
memberIcon.Show()
mb, _ := gtk.ToggleButtonNew()
mb.SetVAlign(gtk.ALIGN_CENTER)
mb.SetImage(memberIcon)
mb.SetActive(false)
mb.SetSensitive(false)
header := handy.HeaderBarNew()
header.SetShowCloseButton(true)
header.PackStart(rbk)
header.PackStart(bc)
header.PackEnd(mb)
header.PackEnd(msgctrl)
header.Show()
// Hack to hide the title.
b, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
header.SetCustomTitle(b)
return &Header{
HeaderBar: *header,
ShowBackBtn: rbk,
BackButton: bk,
Breadcrumb: bc,
MessageCtrl: msgctrl,
ShowMembers: mb,
}
}
func (h *Header) Reset() {
h.SetBreadcrumber(nil)
h.MessageCtrl.Disable()
}
func (h *Header) OnBackPressed(fn func()) {
h.BackButton.Connect("clicked", func(*gtk.Button) { fn() })
}
func (h *Header) OnShowMembersToggle(fn func(show bool)) {
h.ShowMembers.Connect("toggled", func(showMembers *gtk.ToggleButton) {
fn(showMembers.GetActive())
})
}
func (h *Header) SetShowBackButton(show bool) {
h.ShowBackBtn.SetRevealChild(show)
}
func (h *Header) SetCanShowMembers(canShow bool) {
if canShow {
h.ShowMembers.Show()
h.ShowMembers.SetSensitive(true)
} else {
h.ShowMembers.Hide()
h.ShowMembers.SetSensitive(false)
}
}
// SetMiniBreadcrumb sets whether or not the breadcrumb should display the full
// label.
func (h *Header) SetMiniBreadcrumb(mini bool) {
h.minicrumbs = mini
h.updateBreadcrumb()
}
// updateBreadcrumb updates the breadcrumb label from the local state.
func (h *Header) updateBreadcrumb() {
switch {
case len(h.breadcrumbs) == 0:
h.Breadcrumb.SetText("")
case h.minicrumbs:
h.Breadcrumb.SetMarkup(h.breadcrumbs[len(h.breadcrumbs)-1])
default:
h.Breadcrumb.SetMarkup(
BreadcrumbSlash + " " + strings.Join(h.breadcrumbs, " "+BreadcrumbSlash+" "),
)
}
}
func (h *Header) SetBreadcrumber(b traverse.Breadcrumber) {
if b == nil {
h.breadcrumbs = nil
h.updateBreadcrumb()
return
}
h.breadcrumbs = traverse.TryBreadcrumb(b)
if len(h.breadcrumbs) < 2 {
return
}
// Skip the service name and username.
h.breadcrumbs = h.breadcrumbs[2:]
for i := range h.breadcrumbs {
h.breadcrumbs[i] = html.EscapeString(h.breadcrumbs[i])
}
h.updateBreadcrumb()
}