VGMTool Code

#include <windows.h>
#include <stdio.h>
#include <stdarg.h>
#include "gui.h"
#include "resource.h"

extern HWND hWndMain;
extern char* ProgName;

#define NumTabChildWnds 6
extern HWND TabChildWnds[NumTabChildWnds];
#define HeaderWnd   TabChildWnds[0]
#define TrimWnd     TabChildWnds[1]
#define StripWnd    TabChildWnds[2]
#define GD3Wnd      TabChildWnds[3]
#define ConvertWnd  TabChildWnds[4]
#define MiscWnd     TabChildWnds[5]

void ShowError(char *format,...){
  va_list args;
  char buffer[1024];
  va_start(args, format); // varargs start after format
  _vsnprintf(buffer,1024,format,args);
  va_end(args); // clean things up before leaving
  MessageBox(hWndMain,buffer,ProgName,MB_ICONERROR+MB_OK);
}

void ShowMessage(char *format,...) {
  va_list args;
  char buffer[1024];
  va_start(args, format); // varargs start after format
  _vsnprintf(buffer,1024,format,args);
  va_end(args); // clean things up before leaving
  MessageBox(hWndMain,buffer,ProgName,0);
}

int ShowQuestion(char *format,...){
  va_list args;
  char buffer[1024];
  va_start(args, format); // varargs start after format
  _vsnprintf(buffer,1024,format,args);
  va_end(args); // clean things up before leaving
  return MessageBox(hWndMain,buffer,ProgName,MB_ICONQUESTION+MB_YESNO);
}


void ShowStatus(char *format,...) {
  va_list args;
  char buffer[1024];
  va_start(args, format); // varargs start after format
  _vsnprintf(buffer,1024,format,args);
  va_end(args); // clean things up before leaving
  SetDlgItemText(hWndMain,txtStatusBar,buffer);
}

// wnd, id specify a multi-line edit box
// format and subsequent printf-style parameters define a string to append to it
void AddConvertText(char *format,...) {
  va_list args;
  char buffer[1024];
  int length;
  va_start(args, format); // varargs start after format
  _vsnprintf(buffer,1024,format,args);
  va_end(args); // clean things up before leaving

  length=SendDlgItemMessage(ConvertWnd,edtConvertResults,WM_GETTEXTLENGTH,0,0);  // Get length
  SendDlgItemMessage(ConvertWnd,edtConvertResults,EM_SETSEL,length,length);  // move caret to end of text
  SendDlgItemMessage(ConvertWnd,edtConvertResults,EM_REPLACESEL,FALSE,(LPARAM)buffer); // insert text there
}

BOOL GetInt(HWND hDlg,int item,int *result) {
  BOOL b;
  char c[3];
  int i;
  i=GetDlgItemInt(hDlg,item,&b,FALSE);
  if(b || i) {
    // b==TRUE -> no errors
    // b==FALSE but i!=0 -> there were errors, but it managed to convert an integer
    // This is the case when the text is something like "1234 (text)"
    *result=i;
	return TRUE;
  }
  // However, text like "0 (text)" looks like a total failure.
  // But I can test for that.
  if(
    (GetDlgItemText(hDlg,item,c,3)==2) &&
    (c[0]=='0') && 
	!isdigit(c[1])
  ) {
    // It looks like it was like that
    *result=0;
	return TRUE;
  }

  return FALSE;
}