81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package service
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import (
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"github.com/diamondburned/cchat-gtk/internal/ui/primitives"
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"github.com/diamondburned/cchat-gtk/internal/ui/service/session"
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"github.com/gotk3/gotk3/gtk"
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)
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type children struct {
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*gtk.Box
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sessions map[string]*session.Row
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}
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func newChildren() *children {
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box, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
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box.Show()
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return &children{box, map[string]*session.Row{}}
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}
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func (c *children) Sessions() []*session.Row {
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// We already know the size beforehand. Allocate it wisely.
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var rows = make([]*session.Row, 0, len(c.sessions))
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// Loop over widget children.
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primitives.EachChildren(c.Box, func(i int, v interface{}) bool {
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var id = primitives.GetName(v.(primitives.Namer))
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if row, ok := c.sessions[id]; ok {
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rows = append(rows, row)
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}
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return false
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})
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return rows
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}
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func (c *children) AddSessionRow(id string, row *session.Row) {
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c.sessions[id] = row
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c.Box.Add(row)
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// Bind the mover.
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row.BindMover(id)
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// Assert that a name can be obtained.
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namer := primitives.Namer(row)
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namer.SetName(id) // set ID here, get it in Move
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}
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func (c *children) RemoveSessionRow(sessionID string) bool {
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row, ok := c.sessions[sessionID]
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if ok {
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delete(c.sessions, sessionID)
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c.Box.Remove(row)
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}
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return ok
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}
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func (c *children) MoveSession(id, movingID string) {
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// Get the widget of the row that is moving.
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var moving = c.sessions[movingID]
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// Find the current position of the row that we're moving the other one
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// underneath of.
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var rowix = -1
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primitives.EachChildren(c.Box, func(i int, v interface{}) bool {
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// The obtained name will be the ID set in AddSessionRow.
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if primitives.GetName(v.(primitives.Namer)) == id {
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rowix = i
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return true
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}
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return false
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})
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// Reorder the box.
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c.Box.ReorderChild(moving, rowix)
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}
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