Data commit

Task/Window-management/Go/window-management.go

@@ -0,0 +1,100 @@
+package main
+
+import (
+    "github.com/gotk3/gotk3/gtk"
+    "log"
+    "time"
+)
+
+func check(err error, msg string) {
+    if err != nil {
+        log.Fatal(msg, err)
+    }
+}
+
+func main() {
+    gtk.Init(nil)
+
+    window, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
+    check(err, "Unable to create window:")
+    window.SetResizable(true)
+    window.SetTitle("Window management")
+    window.SetBorderWidth(5)
+    window.Connect("destroy", func() {
+        gtk.MainQuit()
+    })
+
+    stackbox, err := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 10)
+    check(err, "Unable to create stack box:")
+
+    bmax, err := gtk.ButtonNewWithLabel("Maximize")
+    check(err, "Unable to create maximize button:")
+    bmax.Connect("clicked", func() {
+        window.Maximize()
+    })
+
+    bunmax, err := gtk.ButtonNewWithLabel("Unmaximize")
+    check(err, "Unable to create unmaximize button:")
+    bunmax.Connect("clicked", func() {
+        window.Unmaximize()
+    })
+
+    bicon, err := gtk.ButtonNewWithLabel("Iconize")
+    check(err, "Unable to create iconize button:")
+    bicon.Connect("clicked", func() {
+        window.Iconify()
+    })
+
+    bdeicon, err := gtk.ButtonNewWithLabel("Deiconize")
+    check(err, "Unable to create deiconize button:")
+    bdeicon.Connect("clicked", func() {
+        window.Deiconify()
+    })
+
+    bhide, err := gtk.ButtonNewWithLabel("Hide")
+    check(err, "Unable to create hide button:")
+    bhide.Connect("clicked", func() {
+        // not working on Ubuntu 16.04 but window 'dims' after a few seconds
+        window.Hide()
+        time.Sleep(10 * time.Second)
+        window.Show()
+    })
+
+    bshow, err := gtk.ButtonNewWithLabel("Show")
+    check(err, "Unable to create show button:")
+    bshow.Connect("clicked", func() {
+        window.Show()
+    })
+
+    bmove, err := gtk.ButtonNewWithLabel("Move")
+    check(err, "Unable to create move button:")
+    isShifted := false
+    bmove.Connect("clicked", func() {
+        w, h := window.GetSize()
+        if isShifted {
+            window.Move(w-10, h-10)
+        } else {
+            window.Move(w+10, h+10)
+        }
+        isShifted = !isShifted
+    })
+
+    bquit, err := gtk.ButtonNewWithLabel("Quit")
+    check(err, "Unable to create quit button:")
+    bquit.Connect("clicked", func() {
+        window.Destroy()
+    })
+
+    stackbox.PackStart(bmax, true, true, 0)
+    stackbox.PackStart(bunmax, true, true, 0)
+    stackbox.PackStart(bicon, true, true, 0)
+    stackbox.PackStart(bdeicon, true, true, 0)
+    stackbox.PackStart(bhide, true, true, 0)
+    stackbox.PackStart(bshow, true, true, 0)
+    stackbox.PackStart(bmove, true, true, 0)
+    stackbox.PackStart(bquit, true, true, 0)
+
+    window.Add(stackbox)
+    window.ShowAll()
+    gtk.Main()
+}