common tree package for toolkitsv0.12.4

    This update provides *lots* of toolkit updates. This will allow
        the next step of debugging the gocui toolkit to make it work
        again. There are new common routines for handling the plugin
        channel communication

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

1 files changed, 88 insertions, 0 deletions

diff --git a/tree/event.go b/tree/event.go
new file mode 100644
index 0000000..ee74138
--- /dev/null
+++ b/tree/event.go
@@ -0,0 +1,88 @@
+package tree
+
+/*
+	These code should be common to all gui plugins
+
+	There are some helper functions that are probably going to be
+	the same everywhere. Mostly due to handling the binary tree structure
+	and the channel communication
+
+	For now, it's just a symlink to the 'master' version in
+	./toolkit/nocui/common.go
+*/
+
+import (
+	"go.wit.com/log"
+	"go.wit.com/gui/widget"
+)
+
+func (me *TreeInfo) DoEnableDebugger() {
+	if (me.callback == nil) {
+		log.Warn("DoUserEvent() toolkit panic() callback == nil")
+		return
+	}
+	var a widget.Action
+	a.ActionType = widget.EnableDebug
+	a.ProgName = me.PluginName
+	me.callback <- a
+	return
+}
+
+func (me *TreeInfo) DoToolkitLoad(s string) {
+	if (me.callback == nil) {
+		log.Warn("DoUserEvent() toolkit load callback == nil")
+		return
+	}
+	var a widget.Action
+	a.ActionType = widget.ToolkitLoad
+	a.ProgName = me.PluginName
+	a.Value = s
+	log.Warn("DoUserEvent() START: toolkit load", s)
+	me.callback <- a
+	log.Warn("DoUserEvent() END:   toolkit load", s)
+	return
+}
+
+func (me *TreeInfo) DoToolkitPanic() {
+	if (me.callback == nil) {
+		log.Warn("DoUserEvent() toolkit panic() callback == nil")
+		return
+	}
+	var a widget.Action
+	a.ActionType = widget.ToolkitPanic
+	a.ProgName = me.PluginName
+	log.Info("DoUserEvent() START: toolkit panic()")
+	me.callback <- a
+	log.Info("DoUserEvent() END:   toolkit panic()")
+	return
+}
+
+func (me *TreeInfo) DoWindowCloseEvent(n *Node) {
+	if (me.callback == nil) {
+		log.Warn("DoUserEvent() callback == nil", n.WidgetId)
+		return
+	}
+	var a widget.Action
+	a.WidgetId = n.WidgetId
+	a.ActionType = widget.CloseWindow
+	log.Info("DoUserEvent() START: user closed the window", n.GetProgName())
+	me.callback <- a
+	log.Info("DoUserEvent() END:   user closed the window", n.GetProgName())
+	return
+}
+
+// Other goroutines must use this to access the GUI
+func (me *TreeInfo) DoUserEvent(n *Node) {
+	if (me.callback == nil) {
+		log.Warn("DoUserEvent() callback == nil", n.WidgetId)
+		return
+	}
+	var a widget.Action
+	a.WidgetId = n.WidgetId
+	a.Value = n.State.Value
+	a.ActionType = widget.User
+	log.Info("DoUserEvent() START: send a user event to the callback channel")
+	me.callback <- a
+	log.Info("DoUserEvent() END:   sent a user event to the callback channel")
+	return
+}