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-rw-r--r--action.go2
-rw-r--r--addNode.go21
-rw-r--r--find.go59
-rw-r--r--plugin.go24
-rw-r--r--structs.go45
-rw-r--r--table.go4
6 files changed, 97 insertions, 58 deletions
diff --git a/action.go b/action.go
index f2ef7e3..c64dd49 100644
--- a/action.go
+++ b/action.go
@@ -15,7 +15,7 @@ func (me *TreeInfo) doAction(a widget.Action) {
if a.ActionType == widget.ToolkitInit {
log.Log(TREEWARN, "tree.doAction() trapped ToolkitInit finally!")
a.WidgetType = widget.Root
- n := AddNode(&a)
+ n := addNode(&a)
me.Add(n)
log.Log(TREEWARN, "tree.doAction() init() me.treeRoot")
if me.ToolkitInit != nil {
diff --git a/addNode.go b/addNode.go
index 544792f..2f7ccea 100644
--- a/addNode.go
+++ b/addNode.go
@@ -11,10 +11,10 @@ func (me *TreeInfo) AddNode(a *widget.Action) *Node {
} else {
log.Info("TREE: mutex lock was already held before AddNode()")
}
- return AddNode(a)
+ return addNode(a)
}
-func AddNode(a *widget.Action) *Node {
+func addNode(a *widget.Action) *Node {
n := new(Node)
n.WidgetType = a.WidgetType
n.WidgetId = a.WidgetId
@@ -60,18 +60,23 @@ func AddNode(a *widget.Action) *Node {
}
func (me *TreeInfo) DeleteNode(n *Node) {
- me.Lock()
- defer me.Unlock()
+ log.Log(TREEWARN, "DeleteNode() before lock n =", n.WidgetId, n.GetProgName())
+ if me.TryLock() {
+ defer me.Unlock()
+ } else {
+ log.Info("TREE: mutex lock was already held before DeleteNode()")
+ }
p := n.Parent
+ log.Log(TREEWARN, "DeleteNode() parent =", p.WidgetId, p.GetProgName())
for i, child := range p.children {
- log.Log(TREE, "parent has child:", i, child.WidgetId, child.GetProgName())
+ log.Log(TREEWARN, "parent has child:", i, child.WidgetId, child.GetProgName())
if n == child {
- log.Log(TREE, "Found child ==", i, child.WidgetId, child.GetProgName())
- log.Log(TREE, "Found n ==", i, n.WidgetId, n.GetProgName())
+ log.Log(TREEWARN, "Found child ==", i, child.WidgetId, child.GetProgName())
+ log.Log(TREEWARN, "Found n ==", i, n.WidgetId, n.GetProgName())
p.children = append(p.children[:i], p.children[i+1:]...)
}
}
for i, child := range p.children {
- log.Log(TREE, "parent now has child:", i, child.WidgetId, child.GetProgName())
+ log.Log(TREEWARN, "parent now has child:", i, child.WidgetId, child.GetProgName())
}
}
diff --git a/find.go b/find.go
new file mode 100644
index 0000000..6b22ad3
--- /dev/null
+++ b/find.go
@@ -0,0 +1,59 @@
+package tree
+
+import "log"
+
+// find things in the tree
+// also verify parent <-> child mappings aren't a lie
+
+// searches the binary tree for a WidgetId
+func FindWidgetId(id int) *Node {
+ return treeRoot.FindWidgetId(id)
+}
+
+// searches the binary tree for a WidgetId
+func (n *Node) FindWidgetId(id int) *Node {
+ if n == nil {
+ return nil
+ }
+
+ if n.WidgetId == id {
+ return n
+ }
+
+ for _, child := range n.children {
+ newN := child.FindWidgetId(id)
+ if newN != nil {
+ return newN
+ }
+ }
+ return nil
+}
+
+// used for debugging the 'gui' package
+// to make sure things are valid
+// fixes any errors along the way
+func (me *Node) VerifyParentId() bool {
+ return me.verifyParentId(0)
+}
+
+func (n *Node) verifyParentId(parentId int) bool {
+ if n == nil {
+ return false
+ }
+ var ok bool = true
+
+ if n.ParentId != parentId {
+ log.Printf("fixed widgetId %d from %d to %d", n.WidgetId, n.ParentId, parentId)
+ n.ParentId = parentId
+ ok = false
+ }
+
+ for _, child := range n.children {
+ if child.verifyParentId(n.WidgetId) {
+ // everything is ok
+ } else {
+ ok = false
+ }
+ }
+ return ok
+}
diff --git a/plugin.go b/plugin.go
index 3df0607..3b1d741 100644
--- a/plugin.go
+++ b/plugin.go
@@ -16,30 +16,6 @@ import (
"go.wit.com/widget"
)
-// searches the binary tree for a WidgetId
-func FindWidgetId(id int) *Node {
- return treeRoot.FindWidgetId(id)
-}
-
-// searches the binary tree for a WidgetId
-func (n *Node) FindWidgetId(id int) *Node {
- if n == nil {
- return nil
- }
-
- if n.WidgetId == id {
- return n
- }
-
- for _, child := range n.children {
- newN := child.FindWidgetId(id)
- if newN != nil {
- return newN
- }
- }
- return nil
-}
-
func (me *TreeInfo) InitOK() {
me.ok = true
}
diff --git a/structs.go b/structs.go
index 8e3bc19..708780c 100644
--- a/structs.go
+++ b/structs.go
@@ -20,29 +20,28 @@ import (
var treeRoot *Node
type TreeInfo struct {
- sync.Mutex // a lock around the tree to serialize access
- ok bool // indicates the plugin actually initialized
- PluginName string // used to identify the plugin
- config *ToolkitConfigs // protobuf of plugin settings
- callback chan widget.Action // mouse clicks or keyboard events back to the program
- pluginChan chan widget.Action // this is the channel we get requests to make widgets
- frozenChan chan widget.Action // expirement to get fyne to work
- Add func(*Node) // add a new widget
- AddText func(*Node, string) // add a string to a dropdown widget
- SetText func(*Node, string) // set the text of a widget
- SetTitle func(*Node, string) // update the title of a window or tab
- SetLabel func(*Node, string) // update the "label" (aka "Name") for a widget
- SetChecked func(*Node, bool) // set the state of a checkbox
- ToolkitInit func() // init the plugin
- ToolkitClose func() // shutdown and unload the plugin
- Show func(*Node) // show a widget
- Hide func(*Node) // hide a widget
- Enable func(*Node) // enable a widget
- Disable func(*Node) // disable a widget
- ShowTable func(*guipb.Table) // attempt at sending a whole table
- // NodeI interface{} // is an interface useful here?
- // NodeAction func(*Node, widget.ActionType) // deprecate
- currentTables []*guipb.Table
+ sync.Mutex // a lock around the tree to serialize access
+ ok bool // indicates the plugin actually initialized
+ PluginName string // used to identify the plugin
+ config *ToolkitConfigs // protobuf of plugin settings
+ callback chan widget.Action // mouse clicks or keyboard events back to the program
+ pluginChan chan widget.Action // this is the channel we get requests to make widgets
+ frozenChan chan widget.Action // expirement to get fyne to work
+ Add func(*Node) // add a new widget
+ AddText func(*Node, string) // add a string to a dropdown widget
+ SetText func(*Node, string) // set the text of a widget
+ SetTitle func(*Node, string) // update the title of a window or tab
+ SetLabel func(*Node, string) // update the "label" (aka "Name") for a widget
+ SetChecked func(*Node, bool) // set the state of a checkbox
+ ToolkitInit func() // init the plugin
+ ToolkitClose func() // shutdown and unload the plugin
+ Show func(*Node) // show a widget
+ Hide func(*Node) // hide a widget
+ Enable func(*Node) // enable a widget
+ Disable func(*Node) // disable a widget
+ ShowTable func(*guipb.Table) // attempt at sending a whole table
+ currentTables []*guipb.Table // track the list of tables?
+ Root *guipb.Tree // this is the future of this system
}
type Node struct {
diff --git a/table.go b/table.go
index 50e32f2..4b51509 100644
--- a/table.go
+++ b/table.go
@@ -86,7 +86,7 @@ func (grid *Node) makeGridLabel(pb *guipb.Widget, w int, h int) *Node {
a.State.GridOffset.X = w
a.State.GridOffset.Y = h
// log.Info("makeGridLabel()", a.State)
- return AddNode(a)
+ return addNode(a)
}
func (me *TreeInfo) updateTable(t *guipb.Table) {
@@ -184,7 +184,7 @@ func (me *TreeInfo) makeTable(t *guipb.Table) {
a.WidgetId = int(t.Grid.Id)
a.ParentId = int(t.Parent.Id)
a.State.Enable = true
- grid = AddNode(a)
+ grid = addNode(a)
}
if grid == nil {
log.Info("tree: makeTable() failed to make grid")