用ListView 控件修改单元格数据，并update到SQLite数据库
作者：互联网
用ListView控件显示SQlite数据，响应双击消息，在对应的单元格上放置Edit控件，编辑后回车，保存数据，更新Item中字符串，ESC取消数据。
保存时，利用备份的单元格数据和ListView Item显示的数据一起构建成 update语句，保存进数据库。
主要的代码：
SQLView.h
#pragma once
#include "xmdiview.h"
#include "stdio.h"
#include "sqlite3.h"
struct SQLCell
{
int x_row;
int y_colum;
int len;
int Modifyed;
TCHAR *text;
};
class CSQLTable
{
public:
CSQLTable(void);
~CSQLTable(void);
int Max_row;
int Max_column;
int Modifyed;
int Select_column;
int Select_row;
TCHAR table[1024];
SQLCell** Cell;
int Empty();
};
class CSQLView :
public CXMDIView
{
public:
CSQLView(void);
~CSQLView(void);
XDECLARE_DYNCREATE(CSQLView)
public:
CXWnd* m_pMainFrame;
virtual BOOL PreCreateWindow(WNDCLASSEX &cs);
virtual BOOL PreCreateWindow(MDICREATESTRUCT &mdicreate);
int OnCreate(HWND, UINT, WPARAM, LPARAM);
int OnPaint(HWND, UINT, WPARAM, LPARAM);
int OnSize(HWND, UINT, WPARAM, LPARAM);
int OnChar(HWND, UINT, WPARAM, LPARAM);
int OnClose(HWND, UINT, WPARAM, LPARAM);
int OnNotify(HWND, UINT, WPARAM, LPARAM);
virtual int OnDestroy(HWND, UINT, WPARAM, LPARAM);
int OnExit(HWND, UINT, WPARAM, LPARAM);
int OnTest1(HWND, UINT, WPARAM, LPARAM);
int OnTest2(HWND, UINT, WPARAM, LPARAM);
int OnSQL(HWND, UINT, WPARAM, LPARAM);
int OnEXEC(HWND, UINT, WPARAM, LPARAM);
int OnTables(HWND, UINT, WPARAM, LPARAM);
HWND m_hListView1;
HWND m_hWndLVEdit;
LV_COLUMN m_List1;
LVITEM m_Item1;
HIMAGELIST m_ImgList1;
HWND CreateListView (HWND hwndParent);
int InitListView (HWND hListView);
int UpdateListView (HWND hListView, int nrow, int ncol, TCHAR **pData);
HTREEITEM hNodeSQLite3;
void *pTree;
static LONG lpfnDefLVEdit;
static LRESULT CALLBACK LVEditWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
static TCHAR LVEditText[1024];
HWND m_hWndToolBar;
HWND CreateToolbar(HWND hWnd);
sqlite3 *db;
char *szErrMsg;
int rc;
char sql[1024];
static int sqlcallback(void *NotUsed, int argc, char **argv, char **azColName);
int OnSaveTables(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
int Open(HWND hWnd);
int ListTables(HWND hWnd);
int OnSQLData(TCHAR* wSQL);
int OnSqlExec(TCHAR* wSQL);
CSQLTable m_SQLTable;
int OnSQLData(TCHAR* wSQL, CSQLTable &wSQLTable);
int SQLUpdateListView(CSQLTable &wSQLTable);
XDECLARE_MESSAGE_MAP()
};
SQLView.cpp
#include "StdAfx.h"
#include "SQLView.h"
#include "sqlite3.h"
#include "main.h"
#include "PrjTree.h"
CSQLTable::CSQLTable(void)
{
Max_row = 0;
Max_column = 0;
}
CSQLTable::~CSQLTable(void)
{
Empty();
}
int CSQLTable::Empty()
{
int i,j;
Modifyed = 0;
Select_column = 0;
Select_row =0;
if(Max_row == 0) return 0;
for(i=0;i<Max_row; i++) // include head
{
for(j = 0; j< Max_column;j++)
{
delete[] Cell[i][j].text;
}
delete [] Cell[i];
}
delete [] Cell;
Max_row = 0;
Max_column = 0;
return 1;
}
XIMPLEMENT_DYNCREATE(CSQLView, CXMDIView)
XBEGIN_MESSAGE_MAP(CSQLView, CXMDIView)
XON_MESSAGE(WM_CREATE, OnCreate)
XON_MESSAGE(WM_SIZE, OnSize)
XON_MESSAGE(WM_DESTROY, OnDestroy)
XON_MESSAGE(WM_COMMAND, OnCommand)
XON_MESSAGE(WM_CHAR, OnChar)
XON_MESSAGE(WM_CLOSE, OnClose)
XON_MESSAGE(WM_NOTIFY, OnNotify)
XON_COMMAND(IDM_TVIEW_TEST_TEST1, OnTest1)
XON_COMMAND(IDM_TVIEW_TEST_TEST2, OnTest2)
XON_COMMAND(IDM_SQLVIEW_SQL, OnSQL)
XON_COMMAND(IDM_SQLVIEW_EXEC, OnEXEC)
XON_COMMAND(IDM_SQLVIEW_TABLES, OnTables)
XON_COMMAND(IDM_SQLVIEW_SAVETABLES, OnSaveTables)
XEND_MESSAGE_MAP()
CSQLView::CSQLView(void)
{
wcscpy_s(szWindowClass,_T("XSQLView")); // The title bar text
wcscpy_s(szTitle,_T("XSQLView"));
m_hWnd = NULL;
}
CSQLView::~CSQLView(void)
{
}
TCHAR CSQLView::LVEditText[1024]= _T("") ;
LONG CSQLView::lpfnDefLVEdit = 0;
LRESULT CALLBACK CSQLView::LVEditWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HWND hListView;
HWND hSQLView;
static CSQLTable *wSQLTable = NULL;
int row,colum;
LVITEM lvItem;
TCHAR wBuf[1024];
switch (message)
{
case WM_CREATE:
break;
case WM_ACTIVATE:
PRINT(_T("\r\n WM_ACTIVATE-r "));
ShowWindow(hWnd, SW_HIDE);
break;
case WM_SIZE:
break;
case WM_COMMAND:
{
switch(wParam)
{
case EN_CHANGE:
PRINT(_T("\r\nchange "));
break;
case 0:
wSQLTable = (CSQLTable *)lParam;
PRINT(_T("\r\SelectCell=%d,%d "), wSQLTable->Select_column,wSQLTable->Select_row);
break;
}
}
break;
case WM_CHAR:
switch(wParam)
{
case '\r':
PRINT(_T("\r\n get -r "));
GetWindowText(hWnd,wBuf,1024);
ShowWindow(hWnd, SW_HIDE);
hListView = GetParent(hWnd);
hSQLView = GetParent(hListView);
row =wSQLTable->Select_row;
colum = wSQLTable->Select_column;
lvItem.mask = LVIF_TEXT;
lvItem.iItem = row -1;
lvItem.iSubItem = colum;
lvItem.pszText = wBuf;
ListView_SetItem(hListView,&lvItem); // for cell
SendMessage(hSQLView, WM_COMMAND, IDM_TVIEW_TEST_TEST2, (LPARAM)hWnd);
break;
case '\n':
PRINT(_T("\r\n get -n "));
break;
case 0x1b:
PRINT(_T("\r\n get -ESC "));
ShowWindow(hWnd, SW_HIDE);
break;
default:
break;
}
break;
default:
break;
}
return CallWindowProc((WNDPROC)lpfnDefLVEdit, hWnd, message, wParam, lParam);
}
HWND CSQLView::CreateListView (HWND hwndParent)
{
DWORD dwStyle;
dwStyle = WS_TABSTOP|WS_CHILD|WS_BORDER|WS_VISIBLE|LVS_REPORT;
HWND hWndListView = CreateWindow (WC_LISTVIEW, _T("ListView"),
dwStyle,
0, 0,0,0,
hwndParent,
(HMENU)IDC_VIEW_LISTVIEW,m_hInst,NULL);
ListView_SetExtendedListViewStyle(hWndListView, LVS_EX_FULLROWSELECT| LVS_EX_GRIDLINES); // LVS_EX_FULLROWSELECT is important ？ //LVS_EX_CHECKBOXES
return (hWndListView);
}
BOOL CSQLView::PreCreateWindow(WNDCLASSEX &cs)
{
return TRUE;
}
BOOL CSQLView::PreCreateWindow(MDICREATESTRUCT &mdicreate)
{
m_hMenu = LoadMenu(m_hInst, TEXT("MDIMENUTESTVIEW")); //for MDIFrame Menu When Active
m_hMenuWindow = GetSubMenu(m_hMenu, TEST_MENU_POS); //Windows Menu Pos
return TRUE;
}
int CSQLView::OnCreate(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
m_hListView1 = CreateListView(hWnd);
m_hWndLVEdit = CreateWindow(TEXT("edit"), NULL, WS_CHILD|WS_BORDER,
0,0,0,0,
m_hListView1, (HMENU) 0, m_hInst, NULL);
lpfnDefLVEdit = SetWindowLong(m_hWndLVEdit, GWL_WNDPROC, (LONG)LVEditWndProc);
m_hWndToolBar = CreateToolbar(hWnd);
if(Open(hWnd))
{
PRINT(_T("\r\n test.db Open OK!"));
}
ListTables(hWnd);
return 0;
}
int CSQLView::OnPaint(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rt;
hdc = BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
return 0;
}
int CSQLView::OnSize(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int cxClient,cyClient;
cxClient = LOWORD (lParam);
cyClient = HIWORD (lParam);
MoveWindow(m_hListView1, 0, 25, cxClient, cyClient -25, TRUE);
MoveWindow(m_hWndToolBar, 0, 0, 0, 0, TRUE);
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
int CSQLView::OnChar(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
int CSQLView::OnDestroy(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
m_hWnd = NULL;
sqlite3_close(db);
// PostQuitMessage(0);
return 0;
}
int CSQLView::OnExit(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
DestroyWindow(hWnd);
return 0;
}
int CSQLView::OnClose(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
int CSQLView::OnTest1(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PRINT(_T("\r\n Test1!"));
return 0;
}
int CSQLView::OnTest2(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LV_COLUMN lvColum;
LVITEM lvItem;
TCHAR wBuf[1024];
PRINT(_T("\r\n Test2!"));
int row,colum;
row = m_SQLTable.Select_row-1;
colum = m_SQLTable.Select_column;
lvColum.mask = LVCF_TEXT;
lvColum.iSubItem = 0;
lvColum.pszText = _T("*No");
ListView_SetColumn(m_hListView1,0, &lvColum);
lvItem.mask = LVIF_TEXT;
lvItem.iItem =row;
lvItem.iSubItem = 0; // No
swprintf(wBuf, _T("*%4d"),row+1); //begin from 0
lvItem.pszText = wBuf;
ListView_SetItem(m_hListView1,&lvItem); // for cell
return 0;
}
int CSQLView::OnSQL(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
TCHAR wSTR[1024];
HWND hStr = ((CMain*)m_pMainFrame)->m_pPBottom->m_pStrBox->m_hWndEditMsg; //for input sql
GetWindowText(hStr, wSTR, 1024);
PRINT(_T("\r\n OnSQL=%s"), wSTR);
m_SQLTable.Empty();
OnSQLData(wSTR, m_SQLTable);
SQLUpdateListView(m_SQLTable);
return 0;
}
int CSQLView::OnEXEC(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PRINT(_T("\r\n OnSQL!"));
TCHAR wSTR[1024];
HWND hStr = ((CMain*)m_pMainFrame)->m_pPBottom->m_pStrBox->m_hWndEditMsg;
GetWindowText(hStr,wSTR, 1024);
PRINT(_T("\r\n OnSQL=%s"), wSTR);
OnSqlExec(wSTR);
return 0;
}
int CSQLView::OnTables(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PRINT(_T("\r\nselect * from sqlite_master;"));
m_SQLTable.Empty();
OnSQLData(_T("select * from sqlite_master;"), m_SQLTable);
SQLUpdateListView(m_SQLTable);
return 0;
}
int CSQLView::OnSaveTables(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int i,j;
int column, row;
LV_COLUMN lvColum;
LVITEM lvItem;
TCHAR wBuf[1024]=_T("");
TCHAR wSQL[1024]=_T("");
TCHAR wLVText[1024]=_T("");
char str[1024]="";
if(m_SQLTable.Max_row == 0)
{
PRINT(_T("\r\nNothing in table;"));
return 0;
}
if(m_SQLTable.Modifyed == 0)
{
PRINT(_T("\r\nNothing to save;"));
//return 0;
}
column=m_SQLTable.Max_column;
row=m_SQLTable.Select_row;
swprintf(wSQL, _T("UPDATE TTest SET ")); // how to get the Table name in SQL
i = row; j=0;
ListView_GetItemText(m_hListView1,i-1, j+1, wLVText, 1024);
swprintf(wBuf, _T("%s=%s "), m_SQLTable.Cell[0][j].text, wLVText );
wcscat(wSQL, wBuf);
for( j=1; j<column; j++)
{
ListView_GetItemText(m_hListView1,i-1, j+1, wLVText, 1024);
swprintf(wBuf, _T(",%s=%s "), m_SQLTable.Cell[0][j].text, wLVText );
wcscat(wSQL, wBuf);
}
j=0;
wcscat(wSQL, _T("WHERE "));
swprintf(wBuf, _T("%s=%s "), m_SQLTable.Cell[0][j].text, m_SQLTable.Cell[i][j].text );
wcscat(wSQL, wBuf);
for( j=1; j<column; j++)
{
swprintf(wBuf, _T("and %s=%s "), m_SQLTable.Cell[0][j].text, m_SQLTable.Cell[i][j].text );
wcscat(wSQL, wBuf);
}
wcscat(wSQL, _T(";"));
PRINT(wSQL);
OnSqlExec( wSQL);
return 0;
}
HWND CSQLView::CreateToolbar(HWND hWnd)
{
// image，COMMAND, STATUS, STYLE,
TBBUTTON tbButton[] = {
{ 0, IDM_SQLVIEW_SQL, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 1, IDM_SQLVIEW_EXEC, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 2, IDM_SQLVIEW_TABLES, TBSTATE_ENABLED , TBSTYLE_BUTTON , 0L, 0},
{ 3, IDM_SQLVIEW_SAVETABLES, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 0, 0, TBSTATE_ENABLED, TBSTYLE_SEP, 0L, -1},
{ 4, IDM_SQLVIEW_OPENTABLES, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 5, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 6, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 0, 0, TBSTATE_ENABLED, TBSTYLE_SEP, 0L, -1},
{ 7, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 8, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 9, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 10, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 11, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 12, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 13, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 14, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 15, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 16, IDM_TEST_TEST3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0},
{ 17, IDM_EXIT, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0L, 0}
};
HINSTANCE hLib = (HINSTANCE) GetWindowLong(hWnd, GWL_HINSTANCE); //It can be other DLL,here same as m_hInst
HWND hWndToolbar = CreateWindowEx(0, TOOLBARCLASSNAME, _T(""),
WS_VISIBLE|WS_CHILD|TBSTYLE_TOOLTIPS|TBSTYLE_FLAT, //| WS_BORDER
0,0, 0,0,
hWnd, (HMENU) IDC_MAINTOOLSBAR, m_hInst, NULL);
if(!hWndToolbar)
return NULL;
SendMessage(hWndToolbar, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0);
SendMessage(hWndToolbar, TB_SETEXTENDEDSTYLE, 0, (LPARAM)(DWORD)(TBSTYLE_EX_DRAWDDARROWS));
HIMAGELIST hImageList;
hImageList = ImageList_Create(16, 16, ILC_COLOR32 | ILC_MASK, //size 16x16
sizeof(tbButton)/sizeof(tbButton[0]), sizeof(tbButton)/sizeof(tbButton[0])); //double space
for(unsigned int i = 0 ; i <= sizeof(tbButton)/sizeof(tbButton[0]) ; i++)
{
HICON hIcon = LoadIcon(hLib, MAKEINTRESOURCE(IDI_ICON1 + i));
ImageList_AddIcon(hImageList, hIcon);
DestroyIcon(hIcon);
}
SendMessage(hWndToolbar, TB_SETIMAGELIST, 0, (LPARAM)hImageList);
SendMessage(hWndToolbar, TB_SETBITMAPSIZE, 0, (LPARAM)MAKELONG(16, 16)); //size 16x16
SendMessage(hWndToolbar, TB_AUTOSIZE, 0, 0);
SendMessage(hWndToolbar, TB_ADDBUTTONS, 16, (LONG) &tbButton); //add 16-2 button
return hWndToolbar;
}
//sql执行回调函数
int CSQLView::sqlcallback(void *NotUsed, int argc, char **argv, char **azColName)
{
int i;
for(i=0; i<argc; i++){
PRINT(_T("%s = %s\n"), azColName[i], argv[i]?argv[i]:"NULL");
}
PRINT(_T("\r\n"));
return 0;
}
//打开数据库
int CSQLView::Open(HWND hWnd)
{
rc=sqlite3_open("test.db", &db); /* open database */
if(rc)
{
PRINT(_T("\r\n<ERR>Can't open database: %s\n"), sqlite3_errmsg(db));
sqlite3_close(db);
return -1;
}
//wsprintf(StatusText, _T(" test.db open"));
return 1;
}
int CSQLView::ListTables(HWND hWnd)
{
int i,j;
m_SQLTable.Empty();
OnSQLData(_T("select * from sqlite_master limit 100;"), m_SQLTable); // MAX 100
SQLUpdateListView(m_SQLTable);
HWND hTree;
HTREEITEM m_hNodeSQL;
HTREEITEM m_hNodeDB;
HTREEITEM hti;
CPrjTree *pTree = NULL;
pTree = ((CMain*)m_pMainFrame)->m_pPLeft->m_pPrjTree;
hTree =pTree->m_hWndTree;
m_hNodeSQL =pTree->m_hNodeSQLite3;
m_hNodeDB =pTree->m_hNodeSQLite3DB;
m_hNodeDB = pTree->InsertTreeNode(hTree, m_hNodeSQL, _T("Test1.db"));
for(i=1;i<m_SQLTable.Max_row;i++)
{
hti = pTree->InsertTreeNode(hTree, m_hNodeDB, m_SQLTable.Cell[i][2].text);
}
hti = pTree->InsertTreeNode(hTree, m_hNodeDB, _T("Table2"));
SendMessage(hTree, TVM_EXPAND, TVE_EXPAND, (LPARAM)m_hNodeDB);
return 1;
}
int CSQLView::OnSQLData(TCHAR* wSQL, CSQLTable &wSQLTable)
{
int i,j;
TCHAR wBuf[1024];
wcstombs(sql, wSQL, 1024);
char ss[1024];
wcstombs(ss, wSQL, 1024);
char *token;
char *next_token = NULL;
//strcpy(sql,"select * from sqlite_master");
token = strtok_s(ss, "from", &next_token);
token = strtok_s(NULL, " ", &next_token);
token = strtok_s(NULL, " ", &next_token);
mbstowcs(wBuf, token, 1024);
PRINT(_T("\r\nTable: %s\n"),wBuf);
char **sresult;
int nrow = 0, ncolum = 0;
rc=sqlite3_get_table(db, sql, &sresult, &nrow, &ncolum,&szErrMsg); /* execute SQL statement */
if(rc!=SQLITE_OK)
{
if(NULL != szErrMsg)
{
mbstowcs(wBuf, szErrMsg, 1024);
PRINT(_T("\r\n<ERR>SQL error: %s\n"),wBuf);
sqlite3_free(szErrMsg);
}
PRINT(_T("\r\n<OK>select success!"));
}
PRINT(_T("\r\n row:%d, colum:%d"), nrow, ncolum);
wSQLTable.Max_column = ncolum;
wSQLTable.Max_row = nrow+1; // include the head
wSQLTable.Cell = new SQLCell *[nrow+1];
for(i=0;i<nrow+1; i++)
{
wSQLTable.Cell[i] = new SQLCell[ncolum];
for(j = 0; j< ncolum;j++)
{
if(sresult[i*ncolum+j] !=NULL)
{
wSQLTable.Cell[i][j].len = 0;
wSQLTable.Cell[i][j].len = strlen(sresult[i*ncolum+j]) + 1; //xgz 长度要加上结尾符号???
wSQLTable.Cell[i][j].text = new TCHAR[wSQLTable.Cell[i][j].len];
mbstowcs(wSQLTable.Cell[i][j].text, sresult[i*ncolum+j], 1024);
}
else
{
wSQLTable.Cell[i][j].len = 5;
wSQLTable.Cell[i][j].text = new TCHAR[5];
mbstowcs(wSQLTable.Cell[i][j].text, "NULL", 1024);
}
}
}
sqlite3_free_table(sresult);
return 1;
}
int CSQLView::SQLUpdateListView(CSQLTable &wSQLTable)
{
TCHAR wBuf[10];
LV_COLUMN lvColum;
LVITEM lvItem;
HIMAGELIST ImgList;
SendMessage(m_hListView1, LVM_DELETEALLITEMS,0,0);
HWND hWndListViewHeader = (HWND)SendMessage(m_hListView1, LVM_GETHEADER, 0 , 0);
int nOldCols = SendMessage(hWndListViewHeader, HDM_GETITEMCOUNT, 0 , 0);
nOldCols -- ;
for (; nOldCols >= 0; nOldCols-- )
SendMessage(m_hListView1, LVM_DELETECOLUMN, nOldCols, 0);
lvColum.mask = LVCF_TEXT| LVCF_WIDTH;//|LVCF_SUBITEM;
int nrow = wSQLTable.Max_row;
int ncolum = wSQLTable.Max_column+1; // add the No colum
lvColum.cx = 40; //宽度
lvColum.iSubItem = 0;
lvColum.pszText = _T("No");
ListView_InsertColumn(m_hListView1,0, &lvColum);
int i,j;
lvColum.cx = 100; //宽度
for(i=1;i<ncolum;i++)
{
lvColum.iSubItem = i;
lvColum.pszText = wSQLTable.Cell[0][i-1].text;
ListView_InsertColumn(m_hListView1,i, &lvColum);
}
ListView_SetItemCount(m_hListView1,nrow+2); // for memory
lvItem.mask = LVIF_TEXT;
for(i=1;i<nrow;i++) // nrow include head
{
lvItem.iItem = i-1;
lvItem.iSubItem = 0; // No
swprintf(wBuf, _T("%4d"),i-1); //begin from 0
lvItem.pszText = wBuf;
ListView_InsertItem(m_hListView1,&lvItem); // for cell
for(j=1;j<ncolum;j++)
{
lvItem.iSubItem = j;
lvItem.pszText = wSQLTable.Cell[i][j-1].text; //have No colum
ListView_SetItem(m_hListView1,&lvItem); // for cell
}
}
return 1;
}
int CSQLView::OnSqlExec(TCHAR* wSQL)
{
TCHAR wBuf[1024];
wcstombs(sql, wSQL, 1024);
rc=sqlite3_exec(db, sql, sqlcallback,0,&szErrMsg); /* execute SQL statement */
if(rc!=SQLITE_OK){
mbstowcs(wBuf, szErrMsg, 1024);
PRINT(_T("\r\n<ERR>SQL error: %s"), wBuf); //szErrMsg
sqlite3_free(szErrMsg);
return -1;
}
PRINT(_T("\r\n EXEC OK"));
return 1;
}
int CSQLView::OnNotify(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
RECT rt;
int iItem;
int iSubItem;
LVITEM lvItem;
TCHAR text[1024];
LPNMHDR lphr = (LPNMHDR)lParam;
if (lphr->hwndFrom == m_hWndLVEdit)
{
PRINT(_T("\r\nm_hWndLVEdit code=%x"),lphr->code);
}
if (lphr->hwndFrom == m_hListView1)
{
switch (lphr->code)
{
case NM_DBLCLK:
iItem = ((LPNMITEMACTIVATE)lParam)->iItem;
iSubItem=((LPNMITEMACTIVATE)lParam)->iSubItem;
if(iSubItem ==0) break;
ListView_GetSubItemRect(m_hListView1, iItem, iSubItem,LVIR_BOUNDS,&rt);
PRINT(_T("\r\n NM_CLICK = %d %d -[%d %d : %d %d]"), iItem,iSubItem, rt.left,rt.top,rt.right,rt.bottom);
ListView_GetItemText(m_hListView1,iItem, iSubItem, text, 1024);
MoveWindow(m_hWndLVEdit, rt.left,rt.top,rt.right-rt.left,rt.bottom-rt.top,TRUE);
SetWindowText(m_hWndLVEdit, text);
ShowWindow(m_hWndLVEdit,SW_SHOW);
m_SQLTable.Select_column = iSubItem;
m_SQLTable.Select_row = iItem+1;
SendMessage(m_hWndLVEdit, WM_COMMAND, 0, (LPARAM) &m_SQLTable);
break;
case NM_CLICK:
ShowWindow(m_hWndLVEdit,SW_HIDE);
break;
default:
//PRINT(_T("\r\n code=%x"),lphr->code);
break;
}
}
// return 0;
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
C++ 编好框架后，写起程序来更方便。做一个花里胡哨的界面，如果用C语言可能代码组织起来会困难一些。
UNICODE编程，对于接口程序，需要转换，比较麻烦。
标签：WPARAM,控件,SQLite,LPARAM,int,hWnd,单元格,UINT,HWND 来源： https://www.cnblogs.com/xgz21/p/16254219.html