GUI 제어 - Windows

int WINAPI WinMain(
  HINSTANCE hInstance,  // handle to current instance
  HINSTANCE hPrevInstance,  // handle to previous instance
  LPSTR lpCmdLine,      // pointer to command line
  int nCmdShow          // show state of window
)

GetCommandLine()


WM_CREATE
WM_DESTROY
WM_QUIT
WM_PAINT
WM_KEYDOWN
WM_CHAR
WM_LBUTTONDOWN
WM_CONTEXTMENU
WM_HELP

GetMessage()
TranslateMessage()
DispatchMessage()
WaitMessage()
PeekMessage()
DefWindowProc()

메시지를 무사히 처리했으면 0을 리턴

메시지 크래커

HANDLE_MSG()

#include <windowsx.h>

BOOL MsgCrk_OnCreate(HWND hWnd, LPCREATESTRUCT lpCreateStruct)
{
    ...
    return TRUE;
}

void MsgCrk_OnDestroy(HWND hWnd)
{
    ...
    PostQuitMessage(0);
}

void MsgCrk_OnKey(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UINT flags)
{
    ...
}

void MsgCrk_OnLButtonDown(HWND hWnd, BOOL fDoubleClick, int x, int y, UINT keyFlags)
{
    ...
}

void MsgCrk_OnTimer(HWND hWnd, UINT id)
{
    ...
}

void MsgCrk_OnSize(HWND hWnd, UINT state, int cx, int cy)
{
    ...
}

void MsgCrk_OnHScroll(HWND hWnd, HWND hwndCtl, UINT code, int pos)
{
    ...
}

void MsgCrk_OnVScroll(HWND hWnd, HWND hwndCtl, UINT code, int pos)
{
    ...
}

void MsgCrk_OnPaint(HWND hWnd)
{
    HDC hdc;
    PAINTSTRUCT ps;
    hdc=BeginPaint(hWnd, &ps);
    ...
    EndPaint(hWnd, &ps);
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    switch (iMessage) {
    HANDLE_MSG(hWnd, WM_CREATE, MsgCrk_OnCreate);
    HANDLE_MSG(hWnd, WM_DESTROY, MsgCrk_OnDestroy);
    HANDLE_MSG(hWnd, WM_KEYDOWN, MsgCrk_OnKey);
    HANDLE_MSG(hWnd, WM_LBUTTONDOWN, MsgCrk_OnLButtonDown);
    HANDLE_MSG(hWnd, WM_TIMER, MsgCrk_OnTimer);
    HANDLE_MSG(hWnd, WM_SIZE, MsgCrk_OnSize);
    HANDLE_MSG(hWnd, WM_HSCROLL, MsgCrk_OnHScroll);
    HANDLE_MSG(hWnd, WM_VSCROLL, MsgCrk_OnVScroll);
    HANDLE_MSG(hWnd, WM_PAINT, MsgCrk_OnPaint);
    }

    return (DefWindowProc(hWnd,iMessage,wParam,lParam));
}

#include <windowsx.h>
#include "resource.h"

HWND hDlgMain;

// WM_INITDIALOG 메시지 핸들러
BOOL OnInitDialog(HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
// {
    hDlgMain = hWnd;
// }
    return TRUE;
}

// WM_COMMAND 메시지 핸들러
void OnDlgCommand(HWND hWnd, int id, HWND hWndCtl, UINT codeNotify)
{
// {
    // 다일얼로그 박스에 확인 버튼을 누르면
    if (id == IDOK)
    {
        EndDialog(hWnd, IDOK);
    }
    // 취소 버튼을 누르면
    else if (id == IDCANCEL)
    {
        EndDialog(hWnd, IDCANCEL);
    }
// }
}

BOOL CALLBACK MainDlgProc(HWND hDlg,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    switch (iMessage) {
    HANDLE_MSG(hDlg, WM_INITDIALOG, OnInitDialog);
    HANDLE_MSG(hDlg, WM_COMMAND, OnDlgCommand);
    }

    return FALSE;
}

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance
    ,LPSTR lpszCmdParam,int nCmdShow)
{
    DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), HWND_DESKTOP, MainDlgProc);

    return 0;
}

미리 등록되어 있는 윈도우 클래스(standard Windows controls)
    컨트롤에 따른 고유한 스타일(속성)
    통지 메시지

    button // 스타일(푸시 버튼, 체크 박스, 라디오 버튼)

BS_PUSHBUTTON

on WM_COMMAND

    static // 텍스트 레이블, 아이콘, 비트맵, 테두리(outline), 사각형(rectangle)
    scrollbar // 스크롤 바
    edit // 텍스트 편집/입력
    listbox // list box
    combobox // combo box
    .. // tab
    .. // 그룹 박스

CreateWindow()

WS_CHILD
WS_VISIBLE

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    switch (iMessage) {
    case WM_CREATE:
        CreateWindow(TEXT("button"),TEXT("Click Me"),WS_CHILD | WS_VISIBLE |
            BS_PUSHBUTTON,20,20,100,25,hWnd,(HMENU)0,g_hInst,NULL);
        ...
        return 0;
        ...
        }

        return 0;
    }

    return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}

common controls // 윈도우 95
    Header
    List-view
    Rebar
    Toolbar
    ToolTip
    Trackbar
    SysTreeView32 // Tree-view, 트리
    msctls_trackbar32 // 슬라이더
    스핀
    애니메이션
    msctls_pregress // progress bar, 게이지
    프로퍼티 페이지

owner draw
    available for all controls.

Custom draw
    available only for the common controls
    not available for the standard (and older) Windows controls

메뉴

WM_COMMAND(싱글 엔트리 포인트)에서 validation을 한다.

액셀러레이터
핫키
툴바
버튼

WM_CTLCOLORBTN // 푸시 버튼은 오너 드로우 버튼으로
WM_CTLCOLOREDIT
WM_CTLCOLORLISTBOX
WM_CTLCOLORSCROLLBAR
WM_CTLCOLORSTATIC
WM_CTLCOLORDLG
WM_CTLCOLORMSGBOX

WM_SETFONT

에디트나 콤보 박스, 리치 에디트 등의 컨트롤에는 클립보드를 제어하는 기능

팝업 메뉴

WM_CUT
WM_COPY
WM_PASTE

컨트롤의 동작에 약간의 변화를 주려면 '서브클래싱'을 하면 된다.

SetWindowLongPtr()

GWLP_WNDPROC

/*

SetWindowLong()

GWL_WNDPROC

*/

CallWindowProc()

HWND hEdit1;
...
WNDPROC OldEditProc;

LRESULT CALLBACK EditSubProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    WNDPROC OldEditProc;
    OldEditProc=(WNDPROC)GetProp(hWnd, "OldProp");

    switch (iMessage) {
    case WM_NCDESTROY:
        SetWindowLongPtr(hWnd, GWLP_WNDPROC, (DWORD)OldEditProc);
        RemoveProp(hWnd,"OldProp");
        break;

    case WM_KEYDOWN:
        if (wParam == VK_RETURN) {
            ...
        }

        break;
    }

    return CallWindowProc(OldEditProc, hWnd, iMessage, wParam, lParam);
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    switch (iMessage) {
    case WM_CREATE: {
        WNDPROC OldEditProc;

        hEdit1 = CreateWindow(TEXT("edit"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER |
            ES_AUTOHSCROLL,
            10, 10, 200, 25, hWnd, (HMENU)ID_EDIT1, g_hInst, NULL);
        ...
        SetFocus(hEdit1);
        OldEditProc = (WNDPROC)SetWindowLongPtr(hEdit1, GWLP_WNDPROC, (LONG_PTR)EditSubProc);
        SetProp(hEdit1, "OldProp", OldEditProc);
        return 0;

    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }

    return(DefWindowProc(hWnd, iMessage, wParam, lParam));
}

참조 사이트:

http://www.codeproject.com/KB/winsdk/msgcrackwizard.aspx
http://jjjryu.tistory.com/entry/ActiveX-%EC%BB%A8%ED%8A%B8%EB%A1%A4-MFC
http://jjjryu.tistory.com/entry/ActiveX-%EC%BB%A8%ED%8A%B8%EB%A1%A4-ATL
http://jjjryu.tistory.com/entry/%EC%B0%A8%EC%9D%BC%EB%93%9C-%EC%BB%A8%ED%8A%B8%EB%A1%A4-Win32
http://jjjryu.tistory.com/entry/%EA%B3%B5%ED%86%B5-%EC%BB%A8%ED%8A%B8%EB%A1%A4