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ListView的创建

admin • • C/C++ • 阅读 147

里面涉及到很多知识

包括3D样式的去除，重绘ListView控件，以及处理控件的边框颜色

// Test_listview_1.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "Test_listview_1.h"
#include <commctrl.h>
#include <uxtheme.h>

#pragma comment (lib,"Comctl32.lib")
#pragma comment (lib,"UxTheme.lib")
//#pragma comment(linker,"\"/manifestdependency:type='win32' \
//name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
//processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;                                // current instance
WCHAR szTitle[MAX_LOADSTRING];                  // The title bar text
WCHAR szWindowClass[MAX_LOADSTRING];            // the main window class name
HWND  hwndList1;
int middle = 600, middleH = 400, width = 400, height = 200;
BOOL S_1 = FALSE;
// Forward declarations of functions included in this code module:
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK ListProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, UINT_PTR, DWORD_PTR);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
                     _In_opt_ HINSTANCE hPrevInstance,
                     _In_ LPWSTR    lpCmdLine,
                     _In_ int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    // TODO: Place code here.

    // Initialize global strings
    LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadStringW(hInstance, IDC_TESTLISTVIEW1, szWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

    // Perform application initialization:
    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_TESTLISTVIEW1));

    MSG msg;

    // Main message loop:
    while (GetMessage(&msg, nullptr, 0, 0))
    {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    return (int) msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEXW wcex;

    wcex.cbSize = sizeof(WNDCLASSEX);

    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_TESTLISTVIEW1));
    wcex.hCursor        = LoadCursor(nullptr, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = MAKEINTRESOURCEW(IDC_TESTLISTVIEW1);
    wcex.lpszClassName  = szWindowClass;
    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClassExW(&wcex);
}

//
//   FUNCTION: InitInstance(HINSTANCE, int)
//
//   PURPOSE: Saves instance handle and creates main window
//
//   COMMENTS:
//
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   hInst = hInstance; // Store instance handle in our global variable  
   
   HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  PURPOSE: Processes messages for the main window.
//
//  WM_COMMAND  - process the application menu
//  WM_PAINT    - Paint the main window
//  WM_DESTROY  - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_CREATE:
    {
        INITCOMMONCONTROLSEX icex;           // Structure for control initialization.
        icex.dwICC = ICC_LISTVIEW_CLASSES;
        InitCommonControlsEx(&icex);

        hwndList1 = CreateWindow(WC_LISTVIEW, L"", WS_VISIBLE | WS_CHILD | LVS_REPORT | WS_BORDER | WS_VSCROLL | LVS_OWNERDRAWFIXED , 500, 200, width, height, hWnd, NULL, GetModuleHandle(NULL), 0);
        DWORD Style = GetWindowLong(hwndList1, GWL_STYLE);
        SetWindowLong(hwndList1, GWL_STYLE, Style &~WS_BORDER);
        SetWindowSubclass(hwndList1, &ListProc, 0, NULL);
//        HWND hHeader = ListView_GetHeader(hwndList1);
//        SetWindowTheme(hHeader, L"", L"");
        LVCOLUMN column;
        column.mask = LVCF_WIDTH | LVCF_TEXT;
        column.cx = 200;
        column.pszText = (LPWSTR)L"MASTER";
        ListView_InsertColumn(hwndList1, 0, &column); //column for sub item 0

        LVITEM lvi = {};
        lvi.iItem = ListView_GetItemCount(hwndList1);
        lvi.mask = LVIF_TEXT | LVIF_STATE;
        lvi.pszText = (LPWSTR)L"MASTER1";
        lvi.iSubItem = 0;
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER2";
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER3";
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER4";
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER5";
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER6";
        ListView_InsertItem(hwndList1, &lvi);
        lvi.pszText = (LPWSTR)L"MASTER7";
        ListView_InsertItem(hwndList1, &lvi);
    }
    break;
    case WM_COMMAND:
        {
            int wmId = LOWORD(wParam);
            // Parse the menu selections:
            switch (wmId)
            {
            case IDM_ABOUT:
                DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
                break;
            case IDM_EXIT:
                DestroyWindow(hWnd);
                break;
            default:
                return DefWindowProc(hWnd, message, wParam, lParam);
            }
        }
        break;
    case WM_SIZE:
        if (wParam == SIZE_RESTORED) {
            SetWindowPos(hwndList1, 0, 30, 40, 200, 120, 0);
        }
        else if (wParam == SIZE_MAXIMIZED) {
            SetWindowPos(hwndList1, 0, middle - (18 + width), middleH - (18 + height), width, height, 0);
            RECT rc;
            GetClientRect(hwndList1, &rc);
            ListView_SetColumnWidth(hwndList1, 0, rc.right - rc.left);//rc.left is zero
        }
        break;
    case WM_DRAWITEM:
        {
            LPDRAWITEMSTRUCT pDIS = (LPDRAWITEMSTRUCT)lParam;
            HDC hDC = pDIS->hDC;
            RECT rc = pDIS->rcItem;
            HFONT hF;
            HBRUSH bg = (HBRUSH)(::GetStockObject(DC_BRUSH));
            HPEN pn = (HPEN)(::GetStockObject(NULL_PEN));
            ::SelectObject(hDC, bg);
            ::SelectObject(hDC, pn);
            ::SetTextColor(hDC, RGB(0, 0, 0));
            int points = 0;
//            if (resX <= 800) 
//            {
                hF = CreateFont(17, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, L"Tahoma");
//            }
//            else 
//            {
//                points = 10;
//                int fontheight = -MulDiv(points, GetDeviceCaps(hDC, LOGPIXELSY), 72);
//                hF = CreateFont(fontheight, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, L"Tahoma");
//            }

            HFONT hOldFont = (HFONT)SelectObject(hDC, hF);
            if ((pDIS->itemID % 2) != 0)
                ::SetDCBrushColor(hDC, RGB(255, 255, 255));
            else {
                ::SetDCBrushColor(hDC, RGB(223, 241, 255));

            }
            ::Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);

            wchar_t buffer[1000] = { 0 };
            ListView_GetItemText(pDIS->hwndItem, pDIS->itemID, 0, (LPWSTR)buffer, 1000);

            rc.left = 12;

            ::DrawText(hDC, (LPWSTR)buffer, -1, &rc, DT_SINGLELINE | DT_VCENTER);
            SelectObject(hDC, hOldFont);
            DeleteObject(hF);

        }
        break;
    case WM_MEASUREITEM: 
        {
            MEASUREITEMSTRUCT * m = (MEASUREITEMSTRUCT*)lParam;
            m->itemHeight = 28;
        }
         break;

    //case WM_NOTIFY:
    //        if (((LPNMHDR)lParam)->code == NM_CUSTOMDRAW) 
    //        {
    //            LPNMLVCUSTOMDRAW  lplvcd = (LPNMLVCUSTOMDRAW)lParam;
    //            switch (lplvcd->nmcd.dwDrawStage)
    //            {
    //            case CDDS_PREPAINT:
    //                return CDRF_NOTIFYITEMDRAW;

    //            case CDDS_ITEMPREPAINT:                
    //                if (((int)lplvcd->nmcd.dwItemSpec % 2) == 0) {
    //                    lplvcd->clrText = RGB(0, 0, 0);
    //                //    lplvcd->clrTextBk = RGB(255, 255, 255);
    //                    lplvcd->clrTextBk = RGB(193, 228, 255);
    //                }
    //                else {
    //                    lplvcd->clrText = RGB(0, 0, 0);
    //                    lplvcd->clrTextBk = RGB(202, 233, 255);
    //                }

    //                return CDRF_NEWFONT;
    //            }
    //            return TRUE;
    //        }
    //        
    case WM_PAINT:
        {
            PAINTSTRUCT ps;

            HDC hdc = BeginPaint(hWnd, &ps);
            RECT rc,clrc;
            GetWindowRect(hwndList1, &rc);
            ScreenToClient(hWnd, (LPPOINT)&rc.left);
            ScreenToClient(hWnd, (LPPOINT)&rc.right);
            auto hpen = CreatePen(PS_SOLID, 1, RGB(255, 0, 0));
            auto oldpen = SelectObject(hdc, hpen);
            SelectObject(hdc, GetStockObject(NULL_BRUSH));
            if (S_1)
            {
                Rectangle(hdc, rc.left - 1, rc.top - 1, rc.right + 1, rc.bottom + 1);
            }
            else
            {
                Rectangle(hdc, 29, 39, 231, 161);
            }
            SelectObject(hdc, oldpen);
            DeleteObject(oldpen);
            ReleaseDC(hwndList1, hdc);
            // TODO: Add any drawing code that uses hdc here...
            EndPaint(hWnd, &ps);
        }
        break;

    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    UNREFERENCED_PARAMETER(lParam);
    switch (message)
    {
    case WM_INITDIALOG:
        return (INT_PTR)TRUE;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, LOWORD(wParam));
            return (INT_PTR)TRUE;
        }
        break;
    }
    return (INT_PTR)FALSE;
}

LRESULT CALLBACK ListProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, UINT_PTR, DWORD_PTR) {
    switch (msg)
    {
    case WM_NOTIFY:
        if (((LPNMHDR)lp)->code == NM_CUSTOMDRAW)
        {
            LPNMCUSTOMDRAW lpcd = (LPNMCUSTOMDRAW)lp;
            switch (lpcd->dwDrawStage)
            {
            case CDDS_PREPAINT:

                return CDRF_NOTIFYITEMDRAW;
            case CDDS_ITEMPREPAINT:
            {

                SetBkColor(lpcd->hdc, RGB(255, 132, 72));
//                SetBkColor(lpcd->hdc, RGB(255, 0, 0));
                SetTextColor(lpcd->hdc, RGB(255, 255, 0));
                return CDRF_NEWFONT;
            }


            }
        }

        break;

    case WM_NCPAINT:
    {
        RECT rc;
        GetWindowRect(hwnd, &rc);
        OffsetRect(&rc, -rc.left, -rc.top);
        auto hdc = GetWindowDC(hwnd);
        auto hpen = CreatePen(PS_SOLID, 1, RGB(255, 0, 0));
        auto oldpen = SelectObject(hdc, hpen);
        SelectObject(hdc, GetStockObject(NULL_BRUSH));
//        Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
        SelectObject(hdc, oldpen);
        DeleteObject(oldpen);
        ReleaseDC(hwnd, hdc);
        S_1 = TRUE;
//        return 0;
        break;
    }

    case WM_NCDESTROY:
        RemoveWindowSubclass(hwnd, ListProc, 0);
        break;
    }

    return DefSubclassProc(hwnd, msg, wp, lp);
}


//InvalidateRect(hwnd, &rc, TRUE);

里面有很多注释的代码，我没删除是因为它们是有意义的

当创建ListView控件的时候，添加自定义的样式LVS_OWNERDRAWFIXED之后， 主窗口的WM_DRAWITEM起作用，WM_NOTIFY失效； 控件的自定义的窗口处理里的WM_NOTIFY依然有效。

原文链接: https://www.cnblogs.com/strive-sun/p/11514540.html

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上一篇 2023年4月25日 下午4:53
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