tree/event.go

92 lines
2.3 KiB
Go

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/widget"
)
func (me *TreeInfo) SendEnableDebugger() {
if me.callback == nil {
log.Warn("SendUserEvent() toolkit panic() callback == nil")
return
}
var a widget.Action
a.ActionType = widget.EnableDebug
a.ProgName = me.PluginName
me.callback <- a
return
}
func (me *TreeInfo) SendToolkitLoad(s string) {
if me.callback == nil {
log.Warn("SendUserEvent() toolkit load callback == nil")
return
}
var a widget.Action
a.ActionType = widget.ToolkitLoad
a.ProgName = me.PluginName
a.Value = s
log.Warn("SendUserEvent() START: toolkit load", s)
me.callback <- a
log.Warn("SendUserEvent() END: toolkit load", s)
return
}
func (me *TreeInfo) SendToolkitPanic() {
if me.callback == nil {
log.Warn("SendUserEvent() toolkit panic() callback == nil")
return
}
var a widget.Action
a.ActionType = widget.ToolkitPanic
a.ProgName = me.PluginName
log.Info("SendUserEvent() START: toolkit panic()")
me.callback <- a
log.Info("SendUserEvent() END: toolkit panic()")
return
}
func (me *TreeInfo) SendWindowCloseEvent(n *Node) {
if me.callback == nil {
log.Warn("SendUserEvent() callback == nil", n.WidgetId)
return
}
var a widget.Action
a.WidgetId = n.WidgetId
a.ActionType = widget.CloseWindow
log.Info("SendUserEvent() START: user closed the window", n.GetProgName())
me.callback <- a
log.Info("SendUserEvent() END: user closed the window", n.GetProgName())
return
}
// Other goroutines must use this to access the GUI
func (me *TreeInfo) SendUserEvent(n *Node) {
if me.callback == nil {
log.Warn("SendUserEvent() callback == nil", n.WidgetId)
return
}
var a widget.Action
a.WidgetId = n.WidgetId
a.Value = n.State.Value
a.ActionType = widget.User
if n.WidgetType == widget.Checkbox {
log.Info("SendUserEvent() checkbox going to send:", a.Value)
}
log.Info("SendUserEvent() START: send a user event to the callback channel")
me.callback <- a
log.Info("SendUserEvent() END: sent a user event to the callback channel")
return
}