TextEditButton

[Alexander1205]

Дано диалоговое окно с шестью кнопками: copy, paste, cut, delete, select all, undo. Как сделать так, чтобы static отображал позицию курсора по индексу?

#include <Windows.h>
#include "resource.h"
HINSTANCE hInst;



BOOL CALLBACK DlgProc (HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hInstPrev, LPSTR CmdLine, int CmdShow)
{
	hInst=hInstance;
	return DialogBox(hInst, (LPCWSTR)IDD_DIALOG1, NULL, DlgProc);
}

BOOL CALLBACK DlgProc (HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
{
	int x,y;
	switch (uMessage)
	{
		case WM_MOUSEMOVE:
		char line[30],position[10];
		strcpy(line,"x: ");
		strcat(line,itoa(LOWORD(lParam),position,10));
		strcat(line," y: ");
		strcat(line,itoa(HIWORD(lParam),position,10));
		SetWindowTextA(hWnd,line);
		return TRUE;

		
	case WM_COMMAND:
		
			   
	    if(LOWORD(wParam)==IDC_BUTTON1)// проверка нажатой кнопки
		{
			   SendDlgItemMessageW( hWnd,IDC_EDIT1, WM_COPY,0,0);			   
					
		}
		
		if(LOWORD(wParam)==IDC_BUTTON2)
		{
		       SendDlgItemMessageW( hWnd,IDC_EDIT1, WM_PASTE,0,0);
			   
		}
		if(LOWORD(wParam)==IDC_BUTTON3)
		{
		       SendDlgItemMessageW( hWnd,IDC_EDIT1, WM_CUT,0,0);
			   
		}
		if(LOWORD(wParam)==IDC_BUTTON4)
		{
		       SendDlgItemMessageW( hWnd,IDC_EDIT1, WM_CLEAR,0,0);
			   
		}
		if(LOWORD(wParam)==IDC_BUTTON5)
		{
		       SendDlgItemMessageW( hWnd,IDC_EDIT1,EM_SETSEL,0,-1);
			   
		}
		if(LOWORD(wParam)==IDC_BUTTON6)
		{
		       SendDlgItemMessageW( hWnd,IDC_EDIT1,EM_UNDO,0,0);
			   
		}
                if(LOWORD(wParam)==IDC_EDIT1)
                {
		if(SendMessage(hWnd,WM_GETTEXTLENGTH,0,0)
                      {
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON1),TRUE);
  				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON2),TRUE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON3),TRUE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON4),TRUE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON5),TRUE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON6),TRUE);
		      }
			else
			{
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON1),FALSE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON2),FALSE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON3),FALSE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON4),FALSE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON5),FALSE);
				EnableWindow(GetDlgItem(hWnd,IDC_BUTTON6),FALSE);
			}



		return TRUE;


	case WM_INITDIALOG:

		return TRUE;
		

	case WM_CLOSE:
		EndDialog(hWnd, 0);
		return TRUE;
     }
	
	return FALSE;
}