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, 51 insertions, 0 deletions

diff --git a/tree/structs.go b/tree/structs.go
new file mode 100644
index 0000000..e998b6f
--- /dev/null
+++ b/tree/structs.go
@@ -0,0 +1,51 @@
+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"
+)
+
+// var me *TreeInfo
+
+type TreeInfo struct { 
+	// this is the channel we send user events like
+	// mouse clicks or keyboard events back to the program
+	callback chan widget.Action
+
+	// this is the channel we get requests to make widgets
+	pluginChan chan widget.Action
+
+	treeRoot *Node
+	NodeI interface {}
+	ActionFromChannel func (widget.Action) ()
+	PluginName string
+}
+
+type Node struct {
+	Parent	*Node
+	children []*Node
+
+	WidgetId	int	// widget ID
+	WidgetType	widget.WidgetType
+	ParentId	int	// parent ID
+
+	State	widget.State
+
+	Strings map[string]int
+
+	// the internal plugin toolkit structure
+	// in the gtk plugin, it has gtk things like margin & border settings
+	// in the text console one, it has text console things like colors for menus & buttons
+	TK any
+}