Add tasks for all the new languages

Task/Window-management/Phix/window-management.phix

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+include pGUI.e
+
+Ihandle dlg
+
+function doFull(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"FULLSCREEN","YES")
+    return IUP_DEFAULT
+end function
+
+function doMax(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"PLACEMENT","MAXIMIZED")
+    -- this is a work-around to get the dialog minimised (on win platform)
+    IupSetAttribute(dlg,"VISIBLE","YES")
+    return IUP_DEFAULT
+end function
+
+function doMin(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"PLACEMENT","MINIMIZED")
+    -- this is a work-around to get the dialog minimised (on win platform)
+    IupSetAttribute(dlg,"VISIBLE","YES")
+    return IUP_DEFAULT
+end function
+
+function doRestore(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"OPACITY","255")
+    IupSetAttribute(dlg,"FULLSCREEN","NO")
+    IupSetAttribute(dlg,"PLACEMENT","NORMAL")
+    IupSetAttribute(dlg,"VISIBLE","YES")
+    return IUP_DEFAULT
+end function
+
+function doDim(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"OPACITY","60")
+    return IUP_DEFAULT
+end function
+
+function doShow(Ihandle /*ih*/)
+    IupSetAttribute(dlg,"OPACITY","255")
+    return IUP_DEFAULT
+end function
+
+function doMove(Ihandle /*ih*/)
+    integer {x,y} = IupGetIntInt(dlg,"SCREENPOSITION")
+    integer shift = iff(IupGetInt(NULL,"SHIFTKEY")?-10,+10)
+    IupShowXY(dlg,x+shift,y+shift)
+    return IUP_DEFAULT
+end function
+
+procedure main()
+    IupOpen("../pGUI/")
+
+    Ihandle hbox = IupHbox({IupButton("restore",    Icallback("doRestore")),
+                            IupButton("full screen",Icallback("doFull")),
+                            IupButton("maximize",   Icallback("doMax")),
+                            IupButton("minimize",   Icallback("doMin")),
+                            IupButton("dim",        Icallback("doDim")),
+                            IupButton("show",       Icallback("doShow")),
+                            IupButton("move",       Icallback("doMove"))})
+    IupSetAttribute(hbox,"MARGIN", "10x10")
+    IupSetAttribute(hbox,"PADDING", "5x5")
+
+    dlg = IupDialog(hbox)
+    IupSetAttribute(dlg,"OPACITY","255")
+
+    IupShowXY(dlg,IUP_CENTER,IUP_CENTER)
+    IupMainLoop()
+    IupClose()
+end procedure
+main()