1 files changed, 111 insertions, 0 deletions
diff --git a/tab.go b/tab.go
new file mode 100644
index 0000000..f0fc563
--- /dev/null
+++ b/tab.go
@@ -0,0 +1,111 @@
+package main
+
+// implements widgets 'Window' and 'Tab'
+
+import (
+	"strings"
+
+	"go.wit.com/lib/widget"
+	"go.wit.com/log"
+)
+
+func (w *guiWidget) Width() int {
+	if w.frame {
+		return w.gocuiSize.w1 - w.gocuiSize.w0
+	}
+	return w.gocuiSize.w1 - w.gocuiSize.w0 - 1
+}
+
+func (w *guiWidget) Height() int {
+	if w.frame {
+		return w.gocuiSize.h1 - w.gocuiSize.h0
+	}
+	return w.gocuiSize.h1 - w.gocuiSize.h0 - 1
+}
+
+func (n *node) gocuiSetWH(sizeW, sizeH int) {
+	w := len(widget.GetString(n.value))
+	lines := strings.Split(widget.GetString(n.value), "\n")
+	h := len(lines)
+
+	tk := n.tk
+	if tk.isFake {
+		tk.gocuiSize.w0 = sizeW
+		tk.gocuiSize.h0 = sizeH
+		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + me.FramePadW
+		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + me.FramePadH
+		return
+	}
+
+	if tk.frame {
+		tk.gocuiSize.w0 = sizeW
+		tk.gocuiSize.h0 = sizeH
+		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + me.FramePadW
+		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + me.FramePadH
+	} else {
+		tk.gocuiSize.w0 = sizeW - 1
+		tk.gocuiSize.h0 = sizeH - 1
+		tk.gocuiSize.w1 = tk.gocuiSize.w0 + w + 1
+		tk.gocuiSize.h1 = tk.gocuiSize.h0 + h + 1
+	}
+}
+
+func redoWindows(nextW int, nextH int) {
+	for _, n := range me.rootNode.children {
+		if n.WidgetType != widget.Window {
+			continue
+		}
+		w := n.tk
+		var tabs bool
+		for _, child := range n.children {
+			if child.WidgetType == widget.Tab {
+				tabs = true
+			}
+		}
+		if tabs {
+			// window is tabs. Don't show it as a standard button
+			w.frame = false
+			n.hasTabs = true
+		} else {
+			w.frame = false
+			n.hasTabs = false
+		}
+
+		n.gocuiSetWH(nextW, nextH)
+		n.deleteView()
+		n.showView()
+
+		sizeW := w.Width() + me.WindowPadW
+		sizeH := w.Height()
+		nextW += sizeW
+		log.Log(NOW, "redoWindows() start nextW,H =", nextW, nextH, "gocuiSize.W,H =", sizeW, sizeH, n.progname)
+
+		if n.hasTabs {
+			n.redoTabs(me.TabW, me.TabH)
+		}
+	}
+}
+
+func (p *node) redoTabs(nextW int, nextH int) {
+	for _, n := range p.children {
+		if n.WidgetType != widget.Tab {
+			continue
+		}
+		w := n.tk
+		w.frame = true
+
+		n.gocuiSetWH(nextW, nextH)
+		n.deleteView()
+		// setCurrentTab(n)
+		// if (len(w.cuiName) < 4) {
+		// 	w.cuiName = "abcd"
+		// }
+
+		n.showView()
+
+		sizeW := w.Width() + me.TabPadW
+		sizeH := w.Height()
+		log.Log(NOW, "redoTabs() start nextW,H =", nextW, nextH, "gocuiSize.W,H =", sizeW, sizeH, n.progname)
+		nextW += sizeW
+	}
+}