PowerBuilder Calculator
Source code
w_calculator from window
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w_calculator end type type cb_digit8 from commandbutton within w_calculator end type type cb_digit7 from commandbutton within w_calculator end type type cb_digit4 from commandbutton within w_calculator end type type cb_digit3 from commandbutton within w_calculator end type type cb_digit2 from commandbutton within w_calculator end type type cb_digit1 from commandbutton within w_calculator end type type cb_ce from commandbutton within w_calculator end type end forward global type w_calculator from window integer width = 809 integer height = 1020 boolean titlebar = true string title = "Calculator" boolean controlmenu = true boolean resizable = true long backcolor = 67108864 string icon = "AppIcon!" boolean center = true sle_2 sle_2 sle_1 sle_1 cb_digitdot cb_digitdot cb_equal cb_equal cb_divide cb_divide cb_multiply cb_multiply cb_minus cb_minus cb_plus cb_plus cb_digit0 cb_digit0 cb_digit9 cb_digit9 cb_digit6 cb_digit6 cb_digit5 cb_digit5 cb_digit8 cb_digit8 cb_digit7 cb_digit7 cb_digit4 cb_digit4 cb_digit3 cb_digit3 cb_digit2 cb_digit2 cb_digit1 cb_digit1 cb_ce cb_ce end type global w_calculator w_calculator type variables Decimal add1 // store operands Char s1 // store operator Int flag //Check if the calculation is complete end variables forward prototypes public subroutine wf_operator (commandbutton cba) public subroutine wf_digit (commandbutton cba) end prototypes public subroutine wf_operator (commandbutton cba);//==================================================================== // Function: w_calculator.wf_operator() //-------------------------------------------------------------------- // Description: //-------------------------------------------------------------------- // Arguments: // value commandbutton cba //-------------------------------------------------------------------- // Returns: (none) //-------------------------------------------------------------------- // Author: PB.BaoGa Date: 2021/06/18 //-------------------------------------------------------------------- // Copyright (c) PB.BaoGa(TM), All rights reserved. //-------------------------------------------------------------------- // Modify History: // //==================================================================== Choose Case s1 Case '*' sle_2.Text = String(Dec(sle_2.Text)*add1) Case '/' sle_2.Text = String(add1/Dec(sle_2.Text)) Case '+' sle_2.Text = String(Dec(sle_2.Text)+add1) Case '-' sle_2.Text = String(add1 - Dec(sle_2.Text)) End Choose add1 = Dec(sle_2.Text) //Retain intermediate results s1 = cba.Text // keep the operator just pressed Flag = 0 //Ready to enter the next number sle_1.Text = sle_1.Text+cba.Text end subroutine public subroutine wf_digit (commandbutton cba);//==================================================================== // Function: w_calculator.wf_digit() //-------------------------------------------------------------------- // Description: //-------------------------------------------------------------------- // Arguments: // value commandbutton cba //-------------------------------------------------------------------- // Returns: (none) //-------------------------------------------------------------------- // Author: PB.BaoGa Date: 2021/06/18 //-------------------------------------------------------------------- // Copyright (c) PB.BaoGa(TM), All rights reserved. //-------------------------------------------------------------------- // Modify History: // //==================================================================== If flag = 0 Then Sle_2.Text = "" //Clear the contents of the sle_2.text text box flag = 1 // End If /* If you don't judge, after you click the = button for the first time, you can start the second calculation without clicking the ce button. The value displayed on the text box will be the result of your first calculation and the value you just clicked, displayed together; (The result of the first calculation is 10, you clicked 3, the text box shows 103) */ If s1 = "=" Then sle_1.Text = " " s1 = "" End If sle_1.Text = sle_1.Text+cba.Text Sle_2.Text = Sle_2.Text+cba.Text end subroutine on w_calculator.create this.sle_2=create sle_2 this.sle_1=create sle_1 this.cb_digitdot=create cb_digitdot this.cb_equal=create cb_equal this.cb_divide=create cb_divide this.cb_multiply=create cb_multiply this.cb_minus=create cb_minus this.cb_plus=create cb_plus this.cb_digit0=create cb_digit0 this.cb_digit9=create cb_digit9 this.cb_digit6=create cb_digit6 this.cb_digit5=create cb_digit5 this.cb_digit8=create cb_digit8 this.cb_digit7=create cb_digit7 this.cb_digit4=create cb_digit4 this.cb_digit3=create cb_digit3 this.cb_digit2=create cb_digit2 this.cb_digit1=create cb_digit1 this.cb_ce=create cb_ce this.Control[]={this.sle_2,& this.sle_1,& this.cb_digitdot,& this.cb_equal,& this.cb_divide,& this.cb_multiply,& this.cb_minus,& this.cb_plus,& this.cb_digit0,& this.cb_digit9,& this.cb_digit6,& this.cb_digit5,& this.cb_digit8,& this.cb_digit7,& this.cb_digit4,& this.cb_digit3,& this.cb_digit2,& this.cb_digit1,& this.cb_ce} end on on w_calculator.destroy destroy(this.sle_2) destroy(this.sle_1) destroy(this.cb_digitdot) destroy(this.cb_equal) destroy(this.cb_divide) destroy(this.cb_multiply) destroy(this.cb_minus) destroy(this.cb_plus) destroy(this.cb_digit0) destroy(this.cb_digit9) destroy(this.cb_digit6) destroy(this.cb_digit5) destroy(this.cb_digit8) destroy(this.cb_digit7) destroy(this.cb_digit4) destroy(this.cb_digit3) destroy(this.cb_digit2) destroy(this.cb_digit1) destroy(this.cb_ce) end on event open;sle_2.SetFocus() end event type sle_2 from singlelineedit within w_calculator integer x = 37 integer y = 120 integer width = 695 integer height = 96 integer taborder = 180 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" long textcolor = 33554432 boolean border = false boolean displayonly = true end type type sle_1 from singlelineedit within w_calculator integer x = 37 integer y = 32 integer width = 695 integer height = 96 integer taborder = 190 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" long textcolor = 33554432 boolean border = false boolean displayonly = true end type type cb_digitdot from commandbutton within w_calculator integer x = 402 integer y = 768 integer width = 146 integer height = 112 integer taborder = 120 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "." end type event clicked;wf_digit(This) end event type cb_equal from commandbutton within w_calculator integer x = 585 integer y = 768 integer width = 146 integer height = 112 integer taborder = 170 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "=" boolean default = true end type event clicked;wf_operator(This) end event type cb_divide from commandbutton within w_calculator integer x = 585 integer y = 640 integer width = 146 integer height = 112 integer taborder = 160 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "/" end type event clicked;wf_operator(This) end event type cb_multiply from commandbutton within w_calculator integer x = 585 integer y = 512 integer width = 146 integer height = 112 integer taborder = 150 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "*" end type event clicked;wf_operator(This) end event type cb_minus from commandbutton within w_calculator integer x = 585 integer y = 384 integer width = 146 integer height = 112 integer taborder = 140 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "-" end type event clicked;wf_operator(This) end event type cb_plus from commandbutton within w_calculator integer x = 585 integer y = 256 integer width = 146 integer height = 112 integer taborder = 130 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "+" end type event clicked;wf_operator(This) end event type cb_digit0 from commandbutton within w_calculator integer x = 37 integer y = 768 integer width = 329 integer height = 112 integer taborder = 110 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "0" end type event clicked;wf_digit(This) end event type cb_digit9 from commandbutton within w_calculator integer x = 402 integer y = 640 integer width = 146 integer height = 112 integer taborder = 100 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "9" end type event clicked;wf_digit(This) end event type cb_digit6 from commandbutton within w_calculator integer x = 402 integer y = 512 integer width = 146 integer height = 112 integer taborder = 70 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "6" end type event clicked;wf_digit(This) end event type cb_digit5 from commandbutton within w_calculator integer x = 219 integer y = 512 integer width = 146 integer height = 112 integer taborder = 60 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "5" end type event clicked;wf_digit(This) end event type cb_digit8 from commandbutton within w_calculator integer x = 219 integer y = 640 integer width = 146 integer height = 112 integer taborder = 90 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "8" end type event clicked;wf_digit(This) end event type cb_digit7 from commandbutton within w_calculator integer x = 37 integer y = 640 integer width = 146 integer height = 112 integer taborder = 80 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "7" end type event clicked;wf_digit(This) end event type cb_digit4 from commandbutton within w_calculator integer x = 37 integer y = 512 integer width = 146 integer height = 112 integer taborder = 50 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "4" end type event clicked;wf_digit(This) end event type cb_digit3 from commandbutton within w_calculator integer x = 402 integer y = 384 integer width = 146 integer height = 112 integer taborder = 40 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "3" end type event clicked;wf_digit(This) end event type cb_digit2 from commandbutton within w_calculator integer x = 219 integer y = 384 integer width = 146 integer height = 112 integer taborder = 30 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "2" end type event clicked;wf_digit(This) end event type cb_digit1 from commandbutton within w_calculator integer x = 37 integer y = 384 integer width = 146 integer height = 112 integer taborder = 20 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "1" end type event clicked;wf_digit(This) end event type cb_ce from commandbutton within w_calculator integer x = 37 integer y = 256 integer width = 512 integer height = 112 integer taborder = 10 integer textsize = -10 integer weight = 400 fontcharset fontcharset = ansi! fontpitch fontpitch = variable! fontfamily fontfamily = swiss! string facename = "Tahoma" string text = "CE" end type event clicked;add1 = 0 s1 = '' flag = 0 sle_1.Text = '' sle_2.Text = '' end event |
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