CalFrame::CalFrame$($const wxString& title, const wxPoint& pos, const wxSize& size$)$

: wxFrame$($nullptr$,$ wxID$\_$ANY, title, pos, size$)$

$\{$

textControl $=$ new wxTextCtrl$($this$,$ wxID$\_$ANY, $"",$ wxPoint$(10,10),$ wxSize$(260,30),$ wxTE$\_$READONLY$)$;

new wxButton$($this$,$ ID$\_$BUTTON$\_1,"1",$ wxPoint$(10,50),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_2,"2",$ wxPoint$(60,50),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_3,"3",$ wxPoint$(110,50),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_4,"4",$ wxPoint$(10,100),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_5,"5",$ wxPoint$(60,100),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_6,"6",$ wxPoint$(110,100),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_7,"7",$ wxPoint$(10,150),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_8,"8",$ wxPoint$(60,150),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_9,"9",$ wxPoint$(110,150),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$DECIMAL, $".",$ wxPoint$(10,200),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_0,"0",$ wxPoint$(60,200),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$NEGATIVE, $"(-)",$ wxPoint$(110,200),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$PLUS, $"+",$ wxPoint$(170,50),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$MINUS, $"-",$ wxPoint$(220,50),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$MULTIPLY, $"*",$ wxPoint$(170,100),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$DIVIDE, $"/",$ wxPoint$(220,100),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$MOD, $"\%",$ wxPoint$(170,150),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$SIN, "SIN", wxPoint$(220,150),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$CON, "CON", wxPoint$(170,200),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$TAN, "TAN", wxPoint$(220,200),$ wxSize$(50,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$BACKSPACE, $"<-",$ wxPoint$(170,250),$ wxSize$(100,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$EQUAL, $"=",$ wxPoint$(10,250),$ wxSize$(150,50))$;

new wxButton$($this$,$ ID$\_$BUTTON$\_$CLEAR, "CLEAR", wxPoint$(10,300),$ wxSize$(260,50))$;

Bind$($wxEVT$\_$BUTTON, &CalFrame::OnButtonClicked, this, ID$\_$BUTTON$\_0,$ ID$\_$BUTTON$\_$TAN$)$;

Bind$($wxEVT$\_$BUTTON, &CalFrame::OnClearButtonClick, this, ID$\_$BUTTON$\_$CLEAR$)$;

Bind$($wxEVT$\_$BUTTON, &CalFrame::OnBackspace, this, ID$\_$BUTTON$\_$BACKSPACE$)$;

Bind$($wxEVT$\_$BUTTON, &CalFrame::OnCalculate, this, ID$\_$BUTTON$\_$EQUAL$)$;

$\}$

void CalFrame::OnButtonClicked$($wxCommandEvent& event$)$

$\{$

int buttonId $=$ event.GetId$()$;

wxString buttonText;

if $($buttonId $>=$ ID$\_$BUTTON$\_0$ && buttonId $<=$ ID$\_$BUTTON$\_9)\{$

buttonText $=$ wxString::Format$("\%$c$",$ buttonId $-$ ID$\_$BUTTON$\_0+\text{'}0\text{'})$;

$\}$

else $\{$

switch $($buttonId$)\{$

case ID$\_$BUTTON$\_$PLUS:

buttonText $="+"$;

break;

case ID$\_$BUTTON$\_$MINUS:

buttonText $="-"$;

break;

case ID$\_$BUTTON$\_$MULTIPLY:

buttonText $="*"$;

break;

case ID$\_$BUTTON$\_$DIVIDE:

buttonText $="/"$;

break;

case ID$\_$BUTTON$\_$MOD:

buttonText $="\%"$;

break;

case ID$\_$BUTTON$\_$DECIMAL:

buttonText $="."$;

break;

case ID$\_$BUTTON$\_$CLEAR:

OnClearButtonClick$($event$)$;

return;

break;

case ID$\_$BUTTON$\_$EQUAL:

OnCalculate$($event$)$;

break;

case ID$\_$BUTTON$\_$TAN:

buttonText $=$ "TAN";

break;

case ID$\_$BUTTON$\_$SIN:

buttonText $=$ "SIN";

break;

case ID$\_$BUTTON$\_$CON:

buttonText $=$ "CON";

break;

case ID$\_$BUTTON$\_$NEGATIVE:

buttonText $="(-)"$;

break;

case ID$\_$BUTTON$\_$BACKSPACE:

OnBackspace$($event$)$;

return;

break;

$\}$

$\}$

textControl$->$AppendText$($buttonText$)$;

$\}$

void CalFrame::OnClearButtonClick$($wxCommandEvent& event$)$

$\{$

textControl$->$Clear$()$;

$\}$

void CalFrame::OnCalculate$($wxCommandEvent& event$)$

$\{$

wxString expression $=$ textControl$->$GetValue$()$;

double result;

if $($wxString$($expression$).$ToCDouble$($&result$))$

$\{$

textControl$->$SetValue$($wxString::Format$("\%$g$",$ result$))$;

$\}$

else

$\{$

wxMessageBox$("$Invalid expression", "Error", wxICON$\_$ERROR $|$ wxOK$)$;

$\}$

$\}$

void CalFrame::OnBackspace$($wxCommandEvent& event$)$

$\{$

wxString currentValue $=$ textControl$->$GetValue$()$;

if $(!$currentValue.empty$())\{$

currentValue.RemoveLast$()$;

textControl$->$SetValue$($currentValue$)$;

$\}$

$\}$ the onCalculation fuction does not work and i cant sema to fix it i dont know what i am doing wrong.