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Code Issues Releases Wiki Activity

slight memory optimization and possible leak fixes

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diamondburned 2021-01-02 21:52:27 -08:00
parent 150329e5dd
commit 1247f9d48f
5 changed files with 153 additions and 107 deletions
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192
internal/ui/messages/container/list.go
View file

@ -1,8 +1,6 @@
package container
import (
"container/list"
"log"
"time"
"github.com/diamondburned/cchat"
@ -33,8 +31,7 @@ type ListStore struct {
resetMe bool
messages map[messageKey]*messageRow
messageList *list.List
messages map[messageKey]*messageRow
}
func NewListStore(constr Constructor, ctrl Controller) *ListStore {
@ -44,11 +41,10 @@ func NewListStore(constr Constructor, ctrl Controller) *ListStore {
messageListCSS(listBox)
listStore := ListStore{
ListBox: listBox,
Construct: constr,
Controller: ctrl,
messages: make(map[messageKey]*messageRow, BacklogLimit+1),
messageList: list.New(),
ListBox: listBox,
Construct: constr,
Controller: ctrl,
messages: make(map[messageKey]*messageRow, BacklogLimit+1),
}
var selected bool
@ -80,28 +76,10 @@ func NewListStore(constr Constructor, ctrl Controller) *ListStore {
func (c *ListStore) Reset() {
primitives.RemoveChildren(c.ListBox)
c.messages = make(map[messageKey]*messageRow, BacklogLimit+1)
c.messageList = list.New()
}
func (c *ListStore) MessagesLen() int {
return c.messageList.Len()
}
func (c *ListStore) findElement(id cchat.ID) (*list.Element, *messageRow, int) {
var index = c.messageList.Len() - 1
for elem := c.messageList.Back(); elem != nil; elem = elem.Prev() {
if gridMsg := elem.Value.(*messageRow); gridMsg.ID() == id {
return elem, gridMsg, index
}
index--
}
return nil, nil, -1
}
// findIndex searches backwards for id.
func (c *ListStore) findIndex(id cchat.ID) (*messageRow, int) {
_, gridMsg, ix := c.findElement(id)
return gridMsg, ix
return len(c.messages)
}
// Swap changes the message with the ID to the given message. This provides a
@ -149,25 +127,26 @@ func (c *ListStore) Around(id cchat.ID) (before, after MessageRow) {
return
}
func (c *ListStore) around(id cchat.ID) (before, after *messageRow) {
func (c *ListStore) around(aroundID cchat.ID) (before, after *messageRow) {
var last *messageRow
var next bool
for elem := c.messageList.Front(); elem != nil; elem = elem.Next() {
message := elem.Value.(*messageRow)
primitives.ForeachChildBackwards(c.ListBox, func(v interface{}) (stop bool) {
id := primitives.GetName(v.(primitives.Namer))
if next {
after = message
break
after = c.message(id, "")
return true
}
if message.ID() == id {
// The last message is the before.
if id == aroundID {
before = last
next = true
continue
return false
}
last = message
}
last = c.message(id, "")
return false
})
return
}
@ -186,52 +165,92 @@ func (c *ListStore) LatestMessageFrom(userID string) (msgID string, ok bool) {
return msg.ID(), true
}
// FindMessage iterates backwards and returns the message if isMessage() returns
// true on that message.
func (c *ListStore) FindMessage(isMessage func(msg MessageRow) bool) MessageRow {
for elem := c.messageList.Back(); elem != nil; elem = elem.Prev() {
gridMsg := elem.Value.(*messageRow)
// Ignore sending messages.
if gridMsg.presend != nil {
continue
}
if gridMsg := gridMsg.MessageRow; isMessage(gridMsg) {
return gridMsg
// findIndex searches backwards for id.
func (c *ListStore) findIndex(findID cchat.ID) (found *messageRow, index int) {
// Faster implementation of findMessage: no map lookup is done until an ID
// match, so the worst case is a single string hash.
index = c.MessagesLen() - 1
primitives.ForeachChildBackwards(c.ListBox, func(v interface{}) (stop bool) {
id := primitives.GetName(v.(primitives.Namer))
if id == findID {
found = c.message(findID, "")
return true
}
index--
return index == 0
})
// Preserve old behavior.
if found == nil {
index = -1
}
return
}
func (c *ListStore) findMessage(presend bool, fn func(*messageRow) bool) (*messageRow, int) {
var r *messageRow
var i = c.MessagesLen() - 1
primitives.ForeachChildBackwards(c.ListBox, func(v interface{}) (stop bool) {
id := primitives.GetName(v.(primitives.Namer))
gridMsg := c.message(id, "")
// Ignore sending messages.
if (presend || gridMsg.presend == nil) && fn(gridMsg) {
r = gridMsg
return true
}
i--
return i == 0
})
// Preserve old behavior.
if r == nil {
i = -1
}
return r, i
}
// FindMessage iterates backwards and returns the message if isMessage() returns
// true on that message. It does not search presend messages.
func (c *ListStore) FindMessage(isMessage func(MessageRow) bool) MessageRow {
msg, _ := c.findMessage(false, func(row *messageRow) bool {
return isMessage(row.MessageRow)
})
if msg != nil {
return msg.MessageRow
}
return nil
}
func (c *ListStore) nthMessage(n int) *messageRow {
v := primitives.NthChild(c.ListBox, n)
id := primitives.GetName(v.(primitives.Namer))
return c.message(id, "")
}
// NthMessage returns the nth message.
func (c *ListStore) NthMessage(n int) MessageRow {
var index = 0
for elem := c.messageList.Front(); elem != nil; elem = elem.Next() {
if index == n {
return elem.Value.(*messageRow).MessageRow
}
index++
msg := c.nthMessage(n)
if msg != nil {
return msg.MessageRow
}
return nil
}
// FirstMessage returns the first message.
func (c *ListStore) FirstMessage() MessageRow {
if c.messageList.Len() == 0 {
return nil
}
// Long unwrap.
return c.messageList.Front().Value.(*messageRow).MessageRow
return c.NthMessage(0)
}
// LastMessage returns the latest message.
func (c *ListStore) LastMessage() MessageRow {
if c.messageList.Len() == 0 {
return nil
}
// Long unwrap.
return c.messageList.Back().Value.(*messageRow).MessageRow
return c.NthMessage(c.MessagesLen() - 1)
}
// Message finds the message state in the container. It is not thread-safe. This
@ -283,8 +302,6 @@ func (c *ListStore) AddPresendMessage(msg input.PresendMessage) PresendMessageRo
// Set the message into the list.
c.ListBox.Insert(msgc.Row(), c.MessagesLen())
// Append the message.
c.messageList.PushBack(msgc)
// Set the NONCE into the message map.
c.messages[nonceKey(msgc.Nonce())] = msgc
@ -321,31 +338,21 @@ func (c *ListStore) CreateMessageUnsafe(msg cchat.MessageCreate) {
}
msgTime := msg.Time()
var index = c.messageList.Len() - 1
var after = c.messageList.Back()
// Iterate and compare timestamp to find where to insert a message.
for after != nil {
if msgTime.After(after.Value.(*messageRow).Time()) {
break
}
index--
after = after.Prev()
}
after, index := c.findMessage(true, func(after *messageRow) bool {
return msgTime.After(after.Time())
})
// Append the message. If after is nil, then that means the message is the
// oldest, so we add it to the front of the list.
if after != nil {
index++ // insert right after
c.messageList.InsertAfter(msgc, after)
c.ListBox.Insert(msgc.Row(), index)
} else {
index = 0
c.messageList.PushFront(msgc)
c.ListBox.Add(msgc.Row())
}
// Set the message into the grid.
c.ListBox.Insert(msgc.Row(), index)
// Set the ID into the message map.
c.messages[idKey(msgc.ID())] = msgc
@ -375,16 +382,14 @@ func (c *ListStore) DeleteMessageUnsafe(msg cchat.MessageDelete) {
// PopMessage deletes a message off of the list and return the deleted message.
func (c *ListStore) PopMessage(id cchat.ID) (msg MessageRow) {
// Get the raw element to delete it off the list.
elem, gridMsg, _ := c.findElement(id)
if elem == nil {
gridMsg, _ := c.findIndex(id)
if gridMsg == nil {
return nil
}
msg = gridMsg.MessageRow
// Remove off of the Gtk grid.
gridMsg.Row().Destroy()
// Pop off the slice.
c.messageList.Remove(elem)
// Delete off the map.
delete(c.messages, idKey(id))
@ -400,8 +405,9 @@ func (c *ListStore) DeleteEarliest(n int) {
// Since container/list nils out the next element, we can't just call Next
// after deleting, so we have to call Next manually before Removing.
for elem := c.messageList.Front(); elem != nil && n != 0; n-- {
gridMsg := elem.Value.(*messageRow)
primitives.ForeachChildBackwards(c.ListBox, func(v interface{}) (stop bool) {
id := primitives.GetName(v.(primitives.Namer))
gridMsg := c.message(id, "")
if id := gridMsg.ID(); id != "" {
delete(c.messages, idKey(id))
@ -412,15 +418,13 @@ func (c *ListStore) DeleteEarliest(n int) {
gridMsg.Row().Destroy()
next := elem.Next()
c.messageList.Remove(elem)
elem = next
}
n--
return n == 0
})
}
func (c *ListStore) HighlightReference(ref markup.ReferenceSegment) {
msg := c.message(ref.MessageID(), "")
log.Println("Highlighting", ref.MessageID())
if msg != nil {
c.Highlight(msg)
}

4
internal/ui/messages/message/sending.go
View file

@ -7,6 +7,7 @@ import (
"github.com/diamondburned/cchat-gtk/internal/humanize"
"github.com/diamondburned/cchat-gtk/internal/ui/messages/input"
"github.com/diamondburned/cchat-gtk/internal/ui/messages/input/attachment"
"github.com/diamondburned/cchat-gtk/internal/ui/primitives"
"github.com/gotk3/gotk3/gtk"
"github.com/gotk3/gotk3/pango"
)
@ -136,7 +137,8 @@ func (m *GenericPresendContainer) SetSentError(err error) {
// clearBox clears everything inside the content container.
func (m *GenericPresendContainer) clearBox() {
m.contentBox.GetChildren().Foreach(func(v interface{}) {
primitives.ForeachChild(m.contentBox, func(v interface{}) (stop bool) {
m.contentBox.Remove(v.(gtk.IWidget))
return false
})
}

9
internal/ui/primitives/completion/completer.go
View file

@ -110,14 +110,7 @@ func (c *Completer) Popdown() {
}
func (c *Completer) Clear() {
var children = c.List.GetChildren()
if children.Length() == 0 {
return
}
children.Foreach(func(i interface{}) {
i.(primitives.WidgetDestroyer).Destroy()
})
primitives.RemoveChildren(c.List)
}
// Words returns the buffer content split into words.

2
internal/ui/primitives/completion/utils.go
View file

@ -32,7 +32,7 @@ type KeyDownHandlerFn = func(gtk.IWidget, *gdk.Event) bool
func KeyDownHandler(l *gtk.ListBox, focus func()) KeyDownHandlerFn {
return func(w gtk.IWidget, ev *gdk.Event) bool {
// Do we have any entries? If not, don't bother.
var length = int(l.GetChildren().Length())
var length = primitives.ChildrenLen(l)
if length == 0 {
// passthrough.
return false

53
internal/ui/primitives/primitives.go
View file

@ -30,9 +30,56 @@ func RemoveChildren(w Container) {
Destroy()
}
w.GetChildren().Foreach(func(child interface{}) {
child.(destroyer).Destroy()
})
children := w.GetChildren()
children.Foreach(func(child interface{}) { child.(destroyer).Destroy() })
children.Free()
}
// ChildrenLen gets the total count of children for the given container.
func ChildrenLen(w Container) int {
children := w.GetChildren()
defer children.Free()
return int(children.Length())
}
func NthChild(w Container, n int) interface{} {
children := w.GetChildren()
defer children.Free()
return children.NthData(uint(n))
}
// ForeachChildBackwards iterates the list. If the callback returns true, then
// the loop is broken.
func ForeachChild(w Container, fn func(interface{}) (stop bool)) {
children := w.GetChildren()
defer children.Free()
for v := children; v != nil; v = v.Next() {
if fn(v.Data()) {
break
}
}
}
// ForeachChildBackwards iterates the list backwards. If the callback returns
// true, then the loop is broken.
func ForeachChildBackwards(w Container, fn func(interface{}) (stop bool)) {
children := w.GetChildren()
defer children.Free()
// Seek to last.
var last = children
for last != nil {
last = last.Next()
}
for v := last; v != nil; v = v.Previous() {
if fn(v.Data()) {
break
}
}
}
type Namer interface {