got the strings for a dropdown widget (finally. only took me 4 years)
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parent
9f38585892
commit
1d32c5da2b
21
dropdown.go
21
dropdown.go
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@ -156,12 +156,29 @@ func (w *guiWidget) dropdownClicked(mouseW, mouseH int) string {
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}
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func dropdownUnclicked(mouseX, mouseH int) {
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log.Log(GOCUI, "dropdownUnclicked() mouseup: got inside me.dropdown handler? wxh =", mouseX, mouseH)
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var d *guiWidget
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// log.Log(GOCUI, "dropdownUnclicked() mouseup: got inside me.dropdown handler? wxh =", mouseX, mouseH)
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if me.dropdownV == nil {
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log.Log(GOCUI, "mouseUp() dropdownV = nil", mouseX, mouseH)
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log.Log(GOCUI, "mouseUp() dropdownV = nil. you don't have a fake dropdown window to make visible", mouseX, mouseH)
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return
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}
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tk := me.dropdownV
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log.Log(GOCUI, fmt.Sprintf("dropdownUnclicked at apparently (w=%d h=%d)", mouseX, mouseH))
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log.Log(GOCUI, "dropdownUnclicked() find out what the string is here", mouseX, mouseH, tk.gocuiSize.h1)
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rootW := me.treeRoot.TK.(*guiWidget)
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// examine everything under X & Y on the screen)
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for i, w := range findByXY(rootW, mouseX, mouseH) {
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log.Log(GOCUI, "dropdownUnclicked()", i, w.WidgetType)
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if w.WidgetType == widget.Dropdown {
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d = w
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break
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}
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}
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if d == nil {
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log.Log(GOCUI, fmt.Sprintf("dropdownUnclicked() there was no dropdown widget at (w=%d h=%d)", mouseX, mouseH))
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return
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}
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log.Log(GOCUI, "dropdownUnclicked()", d.node.Strings(), "end")
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}
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@ -160,84 +160,3 @@ func click(g *gocui.Gui, v *gocui.View) error {
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log.Log(GOCUI, "click() END gocui name:", v.Name())
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return nil
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}
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func findUnderMouse() *guiWidget {
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var widgets []*guiWidget
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var f func(w *guiWidget)
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w, h := me.baseGui.MousePosition()
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// find buttons that are below where the mouse button click
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f = func(widget *guiWidget) {
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// ignore widgets that are not visible
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if widget.Visible() {
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if (widget.gocuiSize.w0 <= w) && (w <= widget.gocuiSize.w1) &&
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(widget.gocuiSize.h0 <= h) && (h <= widget.gocuiSize.h1) {
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widgets = append(widgets, widget)
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}
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}
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for _, child := range widget.children {
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f(child)
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}
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}
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rootW := me.treeRoot.TK.(*guiWidget)
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f(rootW)
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// search through all the widgets that were below the mouse click
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var found *guiWidget
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for _, w := range widgets {
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// prioritize window buttons. This means if some code covers
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// up the window widgets, then it will ignore everything else
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// and allow the user (hopefully) to redraw or switch windows
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// TODO: display the window widgets on top
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if w.WidgetType == widget.Window {
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return w
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}
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}
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// return anything else that is interactive
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for _, w := range widgets {
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if w.WidgetType == widget.Button {
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return w
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}
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if w.WidgetType == widget.Combobox {
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return w
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}
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if w.WidgetType == widget.Checkbox {
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return w
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}
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w.showWidgetPlacement("findUnderMouse() found something unknown")
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found = w
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}
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// maybe something else was found
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return found
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}
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// find the widget under the mouse click
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func ctrlDown(g *gocui.Gui, v *gocui.View) error {
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var found *guiWidget
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// var widgets []*node
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// var f func (n *node)
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found = findUnderMouse()
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if me.ctrlDown == nil {
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setupCtrlDownWidget()
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var tk *guiWidget
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tk = me.ctrlDown.TK.(*guiWidget)
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tk.labelN = found.String()
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tk.cuiName = "ctrlDown"
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// me.ctrlDown.parent = me.rootNode
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}
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var tk *guiWidget
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tk = me.ctrlDown.TK.(*guiWidget)
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if found == nil {
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found = me.treeRoot.TK.(*guiWidget)
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}
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tk.labelN = found.String()
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newR := found.realGocuiSize()
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tk.gocuiSize.w0 = newR.w0
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tk.gocuiSize.h0 = newR.h0
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tk.gocuiSize.w1 = newR.w1
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tk.gocuiSize.h1 = newR.h1
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return nil
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}
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@ -0,0 +1,96 @@
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package main
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import (
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"github.com/awesome-gocui/gocui"
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"go.wit.com/widget"
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)
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// returns the widget under the location on the screen
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func findByXY(widget *guiWidget, w int, h int) []*guiWidget {
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var widgets []*guiWidget
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if !widget.Visible() {
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// ignore widgets that are not visible
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} else {
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// check the location to see if this is under (W,H)
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// if it is, return this widget
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if (widget.gocuiSize.w0 <= w) && (w <= widget.gocuiSize.w1) &&
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(widget.gocuiSize.h0 <= h) && (h <= widget.gocuiSize.h1) {
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widgets = append(widgets, widget)
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// log.Log(GOCUI, "findByXY() found", widget.WidgetType, w, h)
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}
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}
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// search through the children widgets in the binary tree
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for _, child := range widget.children {
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widgets = append(widgets, findByXY(child, w, h)...)
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}
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return widgets
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}
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func findUnderMouse() *guiWidget {
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w, h := me.baseGui.MousePosition()
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rootW := me.treeRoot.TK.(*guiWidget)
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widgets := findByXY(rootW, w, h)
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// search through all the widgets that were below the mouse click
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var found *guiWidget
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for _, w := range widgets {
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// prioritize window buttons. This means if some code covers
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// up the window widgets, then it will ignore everything else
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// and allow the user (hopefully) to redraw or switch windows
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// TODO: display the window widgets on top
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if w.WidgetType == widget.Window {
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return w
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}
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}
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// return anything else that is interactive
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for _, w := range widgets {
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if w.WidgetType == widget.Button {
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return w
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}
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if w.WidgetType == widget.Combobox {
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return w
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}
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if w.WidgetType == widget.Checkbox {
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return w
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}
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w.showWidgetPlacement("findUnderMouse() found something unknown")
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found = w
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}
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// maybe something else was found
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return found
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}
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// find the widget under the mouse click
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func ctrlDown(g *gocui.Gui, v *gocui.View) error {
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var found *guiWidget
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// var widgets []*node
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// var f func (n *node)
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found = findUnderMouse()
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if me.ctrlDown == nil {
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setupCtrlDownWidget()
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var tk *guiWidget
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tk = me.ctrlDown.TK.(*guiWidget)
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tk.labelN = found.String()
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tk.cuiName = "ctrlDown"
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// me.ctrlDown.parent = me.rootNode
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}
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var tk *guiWidget
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tk = me.ctrlDown.TK.(*guiWidget)
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if found == nil {
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found = me.treeRoot.TK.(*guiWidget)
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}
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tk.labelN = found.String()
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newR := found.realGocuiSize()
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tk.gocuiSize.w0 = newR.w0
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tk.gocuiSize.h0 = newR.h0
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tk.gocuiSize.w1 = newR.w1
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tk.gocuiSize.h1 = newR.h1
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return nil
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}
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