work on hiding widgetsv0.12.5

	When widgets are hidden, their state works exactly the same
	as normal, but updates are not sent to the toolkits

Signed-off-by: Jeff Carr <[email protected]>

1 files changed, 68 insertions, 0 deletions

diff --git a/action.go b/action.go
new file mode 100644
index 0000000..516cf15
--- /dev/null
+++ b/action.go
@@ -0,0 +1,68 @@
+package gui
+
+/*
+	This is where the communication to the toolkit plugin happens.
+
+	We copy the current values from the widget node of the binary tree
+	and send an "action" to the toolkit over a channel.
+
+	TODO: use protobuf
+*/
+
+import (
+	"go.wit.com/log"
+	"go.wit.com/gui/widget"
+)
+
+// 2024/01/11 finally moving to type any. simplify to just 'value'
+// 2023/05/09 pretty clean
+// 2023/04/06 Queue() is also being used and channels are being used.
+func sendAction(n *Node, atype widget.ActionType) {
+	if n == nil {
+		return
+	}
+	if n.hidden {
+		return
+	}
+
+	var a widget.Action
+	a.ActionType = atype
+
+	// These should be "stable" at this point (2024/01/13)
+	a.WidgetId = n.id
+	a.ProgName = n.progname
+	a.Value = n.value
+	a.Direction = n.direction
+	a.Strings = n.strings
+
+	// These should be improved/deprecated based on the gui/widget docs
+	a.Expand = n.expand
+
+	a.X = n.X
+	a.Y = n.Y
+
+	a.AtW = n.AtW
+	a.AtH = n.AtH
+
+	if (n.parent != nil) {
+		a.ParentId = n.parent.id
+	}
+	a.WidgetType = n.WidgetType
+	sendActionToPlugin(&a)
+}
+
+// sends the action/event to each toolkit via a golang plugin channel
+func sendActionToPlugin(a *widget.Action) {
+	for _, aplug := range allPlugins {
+		log.Log(PLUG, "Action() aplug =", aplug.name, "Action type=", a.ActionType)
+		if (aplug.pluginChan == nil) {
+			log.Info("Action() retrieving the aplug.PluginChannel()", aplug.name)
+			aplug.pluginChan = aplug.PluginChannel()
+			log.Info("Action() retrieved", aplug.pluginChan)
+		}
+		log.Info("Action() SEND to pluginChan", aplug.name, a.ActionType, a.WidgetType, a.WidgetId, a.ProgName)
+		aplug.pluginChan <- *a
+		// added during debugging. might be a good idea in general for a tactile experience
+		log.Sleep(.02) // this delay makes it so SetText() works on initial widget creation
+	}
+}