Skyring.jl

using Gtk

win = GtkWindow("Skyring", 300, 350)
set_gtk_property!(win,:resizable,false)


grid = GtkGrid()
set_gtk_property!(grid,:margin,20)
text = ""

b1 = GtkButton("1")
b2 = GtkButton("2")
b3 = GtkButton("3")
b_plus = GtkButton("+")
b4 = GtkButton("4")
b5 = GtkButton("5")
b6 = GtkButton("6")
b_minus = GtkButton("-")
b7 = GtkButton("7")
b8 = GtkButton("8")
b9 = GtkButton("9")
b_multiply = GtkButton("x")
b_clear = GtkButton("clear")
set_gtk_property!(b_clear,:tooltip_text,"Clears the text area")
b0 = GtkButton("0")
b_equalto = GtkButton("=")
set_gtk_property!(b_equalto,:tooltip_text,"To get the output")
b_divide = GtkButton("÷")

label = GtkEntry()
set_gtk_property!(label,:text,text)
GAccessor.text(label, "")
set_gtk_property!(label,:editable,false)
# set_gtk_property!(label,:margin,0)

set_gtk_property!(label,:vexpand,true)
# set_gtk_property!(label,:hexpand,false)
b_sqrt = GtkButton("√x")
set_gtk_property!(b_sqrt,:tooltip_text,"To get square root")
b_sqre =  GtkButton("x^2")
set_gtk_property!(b_sqre,:tooltip_text,"To get square")
b_brac1 = GtkButton("(")
b_brac2 = GtkButton(")")
b_expo = GtkButton("x ^ y")
set_gtk_property!(b_sqrt,:tooltip_text,"To get exponential")
b_dot =  GtkButton(".")
b_mod = GtkButton("%")
set_gtk_property!(b_mod,:tooltip_text,"To get mod")
b_pi = GtkButton("π")
set_gtk_property!(b_pi,:tooltip_text,"Our Beloved π")
b_e = GtkButton("ℯ")
set_gtk_property!(b_e,:tooltip_text,"Our Beloved ℯ")
# trignometric functions
b_sin = GtkButton("sin()")
b_cos = GtkButton("cos()")
b_tan = GtkButton("tan()")
b_sinh = GtkButton("sinh()")
b_cosh = GtkButton("cosh()")
b_tanh = GtkButton("tanh()")

# rounding functions
b_round = GtkButton("round()")
b_floor = GtkButton("floor()")
b_ceil = GtkButton("ceil()")
b_trunc = GtkButton("trunc()")

grid[1:7, 1] = label
grid[1, 2] = b1
grid[2, 2] = b2
grid[3, 2] = b3
grid[4, 2] = b_plus
grid[5, 2] = b_sin
grid[6, 2] = b_cos
grid[7, 2] = b_tan

grid[1, 3] = b4
grid[2, 3] = b5
grid[3, 3] = b6
grid[4, 3] = b_minus
grid[5, 3] = b_sinh
grid[6, 3] = b_cosh
grid[7, 3] = b_tanh

grid[1, 4] = b7
grid[2, 4] = b8
grid[3, 4] = b9
grid[4, 4] = b_multiply
grid[5, 4] = b_round
grid[6, 4] = b_floor
grid[7, 4] = b_ceil

grid[1, 5] = b_clear
grid[2, 5] = b0
grid[3, 5] = b_equalto
grid[4, 5] = b_divide
grid[5, 5] = b_brac1
grid[6, 5] = b_brac2
grid[7, 5] = b_trunc



grid[1, 6] = b_pi
grid[2, 6] = b_dot
grid[3, 6] = b_e
grid[4, 6] = b_mod
grid[5, 6] = b_sqrt
grid[6, 6] = b_sqre

grid[7, 6] = b_expo


set_gtk_property!(grid, :column_homogeneous, true)
set_gtk_property!(grid, :column_spacing, 5)  # introduce a 15-pixel gridp between columns
set_gtk_property!(grid, :row_spacing, 5)


push!(win, grid)

function calculate(s)
    parsedexp = Meta.parse(s)
    final = eval(parsedexp)
    println("Eval: $parsedexp ,", "Result:", final)
    return string(final)
end

function button_clicked_callback(widget)
    if widget == b1
        global text = text * "1"
        GAccessor.text(label, text)
    elseif widget == b2
        global text = text * "2"
        GAccessor.text(label, text)
    elseif widget == b3
        global text = text * "3"
        GAccessor.text(label, text)
    elseif widget == b4
        global text = text * "4"
        GAccessor.text(label, text)
    elseif widget == b5
        global text = text * "5"
        GAccessor.text(label, text)
    elseif widget == b6
        global text = text * "6"
        GAccessor.text(label, text)
    elseif widget == b7
        global text = text * "7"
        GAccessor.text(label, text)
    elseif widget == b8
        global text = text * "8"
        GAccessor.text(label, text)
    elseif widget == b9
        global text = text * "9"
        GAccessor.text(label, text)
    elseif widget == b_plus
        global text = text * " + "
        GAccessor.text(label, text)
    elseif widget == b_minus
        global text = text * " - "
        GAccessor.text(label, text)
    elseif widget == b_multiply
        global text = text * " * "
        GAccessor.text(label, text)
    elseif widget == b_divide
        global text = text * " / "
        GAccessor.text(label, text)
    elseif widget == b0
        global text = text * "0"
        GAccessor.text(label, text)
    elseif widget == b_clear
        global text = ""
        GAccessor.text(label, text)
    elseif widget == b_sqrt
        global text =  text * " √ "
        GAccessor.text(label, text)
    elseif widget == b_sqre
        global text =  text * " ^2 "
        GAccessor.text(label, text)
    elseif widget == b_brac1
        global text =  text * " ( "
        GAccessor.text(label, text)
    elseif widget == b_brac2
        global text =  text * " ) "
        GAccessor.text(label, text)
    elseif widget == b_expo
        global text =  text * " ^ "
        GAccessor.text(label, text)
    elseif widget == b_dot
        global text =  text * "."
        GAccessor.text(label, text)
    elseif widget == b_mod
        global text =  text * " % "
        GAccessor.text(label, text)
    elseif widget == b_pi
        global text =  text * " π "
        GAccessor.text(label, text)
    elseif widget == b_e
        global text =  text * " ℯ "
        GAccessor.text(label, text)
    elseif widget == b_sin
        global text =  text * " sin( "
        GAccessor.text(label, text)
    elseif widget == b_cos
        global text =  text * " cos( "
        GAccessor.text(label, text)
    elseif widget == b_tan
        global text =  text * " tan( "
        GAccessor.text(label, text)
    elseif widget == b_sinh
        global text =  text * " sinh( "
        GAccessor.text(label, text)
    elseif widget == b_cosh
        global text =  text * " cosh( "
        GAccessor.text(label, text)
    elseif widget == b_tanh
        global text =  text * " tanh( "
        GAccessor.text(label, text)
    
    # rounding functions
    elseif widget == b_round
        global text =  text * "round("
        GAccessor.text(label, text)
    elseif widget == b_floor
        global text =  text * "floor("
        GAccessor.text(label, text)
    elseif widget == b_ceil
        global text =  text * "ceil("
        GAccessor.text(label, text)
    elseif widget == b_trunc
        global text =  text * "trunc("
        GAccessor.text(label, text)
    
    elseif widget == b_equalto
        global text = calculate(text)
        GAccessor.text(label, text)
    end
end

id1 = signal_connect(button_clicked_callback, b1, "clicked")
id2 = signal_connect(button_clicked_callback, b2, "clicked")
id3 = signal_connect(button_clicked_callback, b3, "clicked")
id4 = signal_connect(button_clicked_callback, b4, "clicked")
id5 = signal_connect(button_clicked_callback, b5, "clicked")
id6 = signal_connect(button_clicked_callback, b6, "clicked")
id7 = signal_connect(button_clicked_callback, b7, "clicked")
id8 = signal_connect(button_clicked_callback, b8, "clicked")
id9 = signal_connect(button_clicked_callback, b9, "clicked")
id10 = signal_connect(button_clicked_callback, b0, "clicked")
id11 = signal_connect(button_clicked_callback, b_plus, "clicked")
id12 = signal_connect(button_clicked_callback, b_minus, "clicked")
id13 = signal_connect(button_clicked_callback, b_multiply, "clicked")
id14 = signal_connect(button_clicked_callback, b_divide, "clicked")
id15 = signal_connect(button_clicked_callback, b_clear, "clicked")
id16 = signal_connect(button_clicked_callback, b_equalto, "clicked")
id17 = signal_connect(button_clicked_callback, b_sqrt, "clicked")
id18 = signal_connect(button_clicked_callback, b_sqre, "clicked")
id19 = signal_connect(button_clicked_callback, b_brac1, "clicked")
id20 = signal_connect(button_clicked_callback, b_brac2, "clicked")
id21 = signal_connect(button_clicked_callback, b_expo, "clicked")

id22 = signal_connect(button_clicked_callback, b_dot, "clicked")
id23 = signal_connect(button_clicked_callback, b_mod, "clicked")
id24 = signal_connect(button_clicked_callback, b_pi, "clicked")
id25 = signal_connect(button_clicked_callback, b_e, "clicked")

id26 = signal_connect(button_clicked_callback, b_sin, "clicked")
id27 = signal_connect(button_clicked_callback, b_cos, "clicked")
id28 = signal_connect(button_clicked_callback, b_tan, "clicked")
id29 = signal_connect(button_clicked_callback, b_sinh, "clicked")
id30 = signal_connect(button_clicked_callback, b_cosh, "clicked")
id31 = signal_connect(button_clicked_callback, b_tanh, "clicked")

# rounding functions
id32 = signal_connect(button_clicked_callback, b_round, "clicked")
id33 = signal_connect(button_clicked_callback, b_floor, "clicked")
id34 = signal_connect(button_clicked_callback, b_ceil, "clicked")
id35 = signal_connect(button_clicked_callback, b_trunc, "clicked")

showall(win)