package main import ( "fmt" "github.com/awesome-gocui/gocui" log "go.wit.com/log" "go.wit.com/toolkits/tree" "go.wit.com/widget" ) func makeDropdownView(ddItems string) *guiWidget { newNode := addDropdown() tk := newNode.TK.(*guiWidget) tk.labelN = ddItems tk.SetText(ddItems) tk.gocuiSize.w0 = 20 tk.gocuiSize.w1 = 40 tk.gocuiSize.h0 = 10 tk.gocuiSize.h1 = 25 tk.v, _ = me.baseGui.SetView("ddview", tk.gocuiSize.w0, tk.gocuiSize.h0, tk.gocuiSize.w1, tk.gocuiSize.h1, 0) if tk.v == nil { return tk } tk.v.Wrap = true tk.v.Frame = true tk.v.Clear() fmt.Fprint(tk.v, ddItems) tk.SetVisible(true) return tk } func addDropdown() *tree.Node { n := new(tree.Node) n.WidgetType = widget.Flag n.WidgetId = 2222 n.ParentId = 0 // store the internal toolkit information tk := new(guiWidget) tk.frame = true tk.labelN = "DropBox text" tk.node = n // copy the data from the action message tk.node.State.Label = "DropBox" // set the name used by gocui to the id tk.cuiName = "-1 dropbox" tk.color = &colorFlag // add this new widget on the binary tree tk.parent = me.treeRoot.TK.(*guiWidget) if tk.parent == nil { panic("addDropdown() didn't get treeRoot guiWidget") } else { tk.parent.children = append(tk.parent.children, tk) } n.TK = tk return n } func (tk *guiWidget) showDropdown() { var ddItems string for i, s := range tk.vals { log.Log(NOW, "showDropdown()", tk.String(), i, s) ddItems += s + "\n" } log.Log(NOW, "showDropdown() visible =", tk.Visible()) if tk.Visible() { tk.SetVisible(false) me.baseGui.DeleteView("ddview") tk.v = nil } else { log.Log(NOW, "new dns list should be set to:", ddItems) tk.labelN = ddItems tk.SetText(ddItems) tk.SetVisible(true) tk.v.Clear() fmt.Fprint(tk.v, ddItems) } } func hideDDview() error { w, h := me.baseGui.MousePosition() log.Log(NOW, "hide dropdown menu() view msgMouseDown (w,h) =", w, h) if me.dropdownV == nil { return gocui.ErrUnknownView } if me.dropdownV.v == nil { return gocui.ErrUnknownView } me.dropdownV.SetVisible(false) return nil } func showDDview() error { w, h := me.baseGui.MousePosition() log.Log(NOW, "show dropdown menu() view msgMouseDown (w,h) =", w, h) if me.dropdownV == nil { return gocui.ErrUnknownView } if me.dropdownV.v == nil { return gocui.ErrUnknownView } me.dropdownV.SetVisible(true) return nil } // if there is a drop down view active, treat it like a dialog box and close it func (w *guiWidget) dropdownClicked(mouseW, mouseH int) { log.Log(NOW, "dropdownClicked() (w,h) =", mouseW, mouseH) w.deleteView() /* tk := me.dropdownV if tk.Visible() { log.Log(NOW, "hide DDview() Mouse really down at:", mouseX, mouseH) // hideDDview() } else { log.Log(NOW, "show DDview() Mouse really down at:", mouseX, mouseH) log.Log(NOW, "can you see the dropdown menu right now?") log.Log(NOW, "if so, something is wrong. I think you can't see it") showDDview() } */ } func dropdownUnclicked(mouseX, mouseH int) { tk := me.dropdownV log.Log(NOW, "mouseUp() view msgMouseDown (check here for dropdown menu click) (w,h) =", mouseX, mouseH) log.Log(NOW, "mouseUp() ddview is the thing that was clicked", mouseX, mouseH) log.Log(NOW, "mouseUp() find out what the string is here", mouseX, mouseH, tk.gocuiSize.h1) var newZone string = "" if me.dropdownW == nil { return } // try to compute the line item clicked here /* var ddtk *guiWidget ddtk = me.ddview.TK.(*guiWidget) value := mouseH - tk.gocuiSize.h0 - 1 log.Log(NOW, "mouseUp() me.ddview.tk.gocuiSize.h1 =", tk.gocuiSize.h1) log.Log(NOW, "mouseUp() me.ddNode.vals =", ddtk.vals) valsLen := len(ddtk.vals) log.Log(NOW, "mouseUp() value =", value, "valsLen =", valsLen) log.Log(NOW, "mouseUp() me.ddNode.vals =", ddtk.vals) if (value >= 0) && (value < valsLen) { newZone = ddtk.vals[value] log.Log(NOW, "mouseUp() value =", value, "newZone =", newZone) } */ // send the event the user selected something from the dropdown hideDDview() me.dropdownW.SetText(newZone) me.myTree.SendUserEvent(me.dropdownW.node) }