리치 텍스트 (rich text)

#include <windows.h>
#include "Richedit.h"
#include "Resource.h"

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hInst;
HWND hWndMain;
LPSTR lpszClass="RichTest";
HWND hRich;

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance
     ,LPSTR lpszCmdParam,int nCmdShow)
{
    HWND hWnd;
    MSG Message;
    WNDCLASS WndClass;
    g_hInst=hInstance;
    HMODULE hMod;
    
    // 리치 에디트가 정의되어 있는 DLL을 로드한다.
    hMod=LoadLibrary("Riched20.dll");

    WndClass.cbClsExtra=0;
    WndClass.cbWndExtra=0;
    WndClass.hbrBackground=(HBRUSH)(COLOR_BTNFACE+1);
    WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
    WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
    WndClass.hInstance=hInstance;
    WndClass.lpfnWndProc=(WNDPROC)WndProc;
    WndClass.lpszClassName=lpszClass;
    WndClass.lpszMenuName=MAKEINTRESOURCE(IDR_MENU1);
    WndClass.style=CS_HREDRAW | CS_VREDRAW;
    RegisterClass(&WndClass);

    hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
        NULL,(HMENU)NULL,hInstance,NULL);
    ShowWindow(hWnd,nCmdShow);
    hWndMain=hWnd;
    
    while(GetMessage(&Message,0,0,0)) {
        TranslateMessage(&Message);
        DispatchMessage(&Message);
    }

    // DLL을 해제한다.
    FreeLibrary(hMod);
    return Message.wParam;
}

// 글자의 속성 설정
void SetChar()
{
    CHARFORMAT2 cf;
    CHOOSEFONT CFT;
    LOGFONT lf;
    HDC hdc;

    // 현재 설정된 문자 속성을 읽어온다.
    memset(&cf,0,sizeof(CHARFORMAT2));
    cf.cbSize=sizeof(CHARFORMAT2);
    SendMessage(hRich,EM_GETCHARFORMAT,1,(LPARAM)&cf);

    // 글꼴 공통 대화상자로 글자 속성을 입력받는다.
    memset(&CFT, 0, sizeof(CHOOSEFONT));
    CFT.lStructSize = sizeof(CHOOSEFONT);
    CFT.hwndOwner=hWndMain;
    strcpy(lf.lfFaceName, cf.szFaceName);
    if (cf.dwEffects & CFE_ITALIC) lf.lfItalic=TRUE; else lf.lfItalic=FALSE;
    if (cf.dwEffects & CFE_BOLD) lf.lfWeight=FW_BOLD; else lf.lfWeight=FW_NORMAL;
    if (cf.dwEffects & CFE_UNDERLINE) lf.lfUnderline=TRUE; else lf.lfUnderline=FALSE;
    if (cf.dwEffects & CFE_STRIKEOUT) lf.lfStrikeOut=TRUE; else lf.lfStrikeOut=FALSE;
    CFT.rgbColors=cf.crTextColor;
    hdc=GetDC(hWndMain);
    lf.lfHeight=-MulDiv(cf.yHeight/20,GetDeviceCaps(hdc,LOGPIXELSY),72);
    ReleaseDC(hWndMain,hdc);
    CFT.lpLogFont=&lf;
    CFT.Flags=CF_EFFECTS | CF_SCREENFONTS | CF_INITTOLOGFONTSTRUCT;
    if (ChooseFont(&CFT)==FALSE) {
        return;
    }

    // 입력받은 글자 속성을 리치 에디트에 설정한다.
    memset(&cf,0,sizeof(CHARFORMAT2));
    cf.cbSize=sizeof(CHARFORMAT2);
    cf.dwMask=CFM_COLOR | CFM_FACE | CFM_SIZE | CFM_BOLD | CFM_ITALIC |
        CFM_UNDERLINE | CFM_STRIKEOUT;
    cf.crTextColor=CFT.rgbColors;
    cf.yHeight=CFT.iPointSize*2;
    strcpy(cf.szFaceName,lf.lfFaceName);
    cf.dwEffects=0;
    if (lf.lfItalic) cf.dwEffects |= CFE_ITALIC;
    if (lf.lfWeight == FW_BOLD) cf.dwEffects |= CFE_BOLD;
    if (lf.lfUnderline) cf.dwEffects |= CFE_UNDERLINE;
    if (lf.lfStrikeOut) cf.dwEffects |= CFE_STRIKEOUT;

    SendMessage(hRich,EM_SETCHARFORMAT,SCF_SELECTION,(LPARAM)&cf);
}

// 문단 속성 설정 대화상자
BOOL CALLBACK ParaDlgProc(HWND hDlg,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
    static PARAFORMAT2 *pf;

    switch(iMessage)
    {
    case WM_INITDIALOG:
        pf=(PARAFORMAT2 *)lParam;
        if (pf->wAlignment==PFA_LEFT) CheckDlgButton(hDlg,IDC_ALLEFT,BST_CHECKED);
        if (pf->wAlignment==PFA_RIGHT) CheckDlgButton(hDlg,IDC_ALRIGHT,BST_CHECKED);
        if (pf->wAlignment==PFA_CENTER) CheckDlgButton(hDlg,IDC_ALCENTER,BST_CHECKED);

        if (pf->bLineSpacingRule==0) CheckDlgButton(hDlg,IDC_LINE1,BST_CHECKED);
        if (pf->bLineSpacingRule==1) CheckDlgButton(hDlg,IDC_LINE1P5,BST_CHECKED);
        if (pf->bLineSpacingRule==2) CheckDlgButton(hDlg,IDC_LINE2,BST_CHECKED);

        SetDlgItemInt(hDlg,IDC_INFIRST,pf->dxStartIndent,FALSE);
        SetDlgItemInt(hDlg,IDC_INLEFT,pf->dxOffset,FALSE);
        SetDlgItemInt(hDlg,IDC_INRIGHT,pf->dxRightIndent,FALSE);
        return TRUE;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDCANCEL:
            EndDialog(hDlg,IDCANCEL);
            return TRUE;
        case IDOK:
            if (IsDlgButtonChecked(hDlg,IDC_ALLEFT)) pf->wAlignment=PFA_LEFT;
            if (IsDlgButtonChecked(hDlg,IDC_ALRIGHT)) pf->wAlignment=PFA_RIGHT;
            if (IsDlgButtonChecked(hDlg,IDC_ALCENTER)) pf->wAlignment=PFA_CENTER;

            if (IsDlgButtonChecked(hDlg,IDC_LINE1)) pf->bLineSpacingRule=0;
            if (IsDlgButtonChecked(hDlg,IDC_LINE1P5)) pf->bLineSpacingRule=1;
            if (IsDlgButtonChecked(hDlg,IDC_LINE2)) pf->bLineSpacingRule=2;

            pf->dxStartIndent=GetDlgItemInt(hDlg,IDC_INFIRST,NULL,FALSE);
            pf->dxOffset=GetDlgItemInt(hDlg,IDC_INLEFT,NULL,FALSE);
            pf->dxRightIndent=GetDlgItemInt(hDlg,IDC_INRIGHT,NULL,FALSE);
            EndDialog(hDlg,IDOK);
        }
        return FALSE;
    }
    return FALSE;
}

// 문단 속성 설정
void SetPara()
{
    PARAFORMAT2 pf;

    // 현재 설정된 문단 속성을 읽어온다.
    memset(&pf,0,sizeof(PARAFORMAT2));
    pf.cbSize=sizeof(PARAFORMAT2);
    pf.dwMask=PFM_ALIGNMENT | PFM_OFFSETINDENT | PFM_OFFSET |
        PFM_RIGHTINDENT | PFM_LINESPACING;
    SendMessage(hRich,EM_GETPARAFORMAT,0,(LPARAM)&pf);

    // 새로운 문단 속성을 입력받아 설정한다.
    if (DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_DLGPARA), hWndMain,
        ParaDlgProc, (LPARAM)&pf)==IDOK) {
        pf.dwMask=PFM_ALIGNMENT | PFM_OFFSETINDENT | PFM_OFFSET |
            PFM_RIGHTINDENT | PFM_LINESPACING;
        SendMessage(hRich,EM_SETPARAFORMAT,0,(LPARAM)&pf);
    }
}

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

        // 리치 텍스트 박스 RICHEDIT_CLASS
        hRich=CreateWindow(RICHEDIT_CLASS,NULL,WS_CHILD | WS_VISIBLE |
            WS_BORDER | ES_MULTILINE | WS_VSCROLL,
            0,0,0,0,hWnd,(HMENU)0,g_hInst,NULL);
        SendMessage(hRich,EM_HIDESELECTION,0,0);
        SetWindowText(hRich,"이 컨트롤은 글자와 문단의 다양한 서식을 표현할 "
            "수 있는 리치 에디트 컨트롤입니다\r\n"
            "문단 서식 설정을 테스트하기 위해 에디트의 폭을 300픽셀로 고정해 "
            "두었으며 메뉴에는 클립보드 관련 기능과 글자 서식, 문단 서식을 "
            "설정할 수 있는 항목이 있으므로 테스트해 보시기 바랍니다");
        return 0;
    case WM_SIZE:
        MoveWindow(hRich,0,0,min(LOWORD(lParam),300),HIWORD(lParam),TRUE);
        return 0;
    case WM_SETFOCUS:
        SetFocus(hRich);
        return 0;
    case WM_COMMAND:
        switch(LOWORD(wParam))
        {
        case IDM_EXIT:
            DestroyWindow(hWnd);
            return 0;
        case IDM_CUT:
            SendMessage(hRich,WM_CUT,0,0);
            return 0;
        case IDM_COPY:
            SendMessage(hRich,WM_COPY,0,0);
            return 0;
        case IDM_PASTE:
            SendMessage(hRich,WM_PASTE,0,0);
            return 0;
        case IDM_SETCHAR:
            SetChar();
            return 0;
        case IDM_SETPARA:
            SetPara();
            return 0;
        }
        return 0;
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }
    return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}