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434 lines
11 KiB
434 lines
11 KiB
/*
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* LISTS.C
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*
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* This file implements a generalized multi-collumn listbox with a standard
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* frame window.
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*/
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#define UNICODE
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#include <windows.h>
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#include <windowsx.h>
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#include <string.h>
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#include <stdlib.h>
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#include "ddespy.h"
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#include "globals.h"
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#include "lists.h"
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int CompareItems(LPTSTR psz1, LPTSTR psz2, INT SortCol, INT cCols);
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int CmpCols(LPTSTR psz1, LPTSTR psz2, INT SortCol);
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void DrawLBItem(LPDRAWITEMSTRUCT lpdis);
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LRESULT CALLBACK MCLBClientWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPAram);
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UINT cyHeading;
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#ifdef UNICODE
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#define atoi atoiW
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//*********************************************************************
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//
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// atoiW
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//
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// Unicode version of atoi.
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//
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INT atoiW (LPTSTR s) {
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INT i = 0;
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while (isdigit (*s)) {
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i = i*10 + (BYTE)*s - TEXT('0');
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s++;
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}
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return i;
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}
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#endif
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HWND CreateMCLBFrame(
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HWND hwndParent,
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LPTSTR lpszTitle, // frame title string
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UINT dwStyle, // frame styles
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HICON hIcon,
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HBRUSH hbrBkgnd, // background for heading.
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LPTSTR lpszHeadings) // tab delimited list of headings. The number of
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// headings indicate the number of collumns.
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{
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static BOOL fRegistered = FALSE;
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MCLBCREATESTRUCT mclbcs;
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if (!fRegistered) {
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WNDCLASS wc;
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HDC hdc;
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TEXTMETRIC tm;
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wc.style = WS_OVERLAPPED | CS_HREDRAW | CS_VREDRAW;
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wc.lpfnWndProc = MCLBClientWndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 4;
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wc.hInstance = hInst;
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wc.hIcon = hIcon;
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wc.hCursor = NULL;
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wc.hbrBackground = hbrBkgnd;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = (LPCTSTR) RefString(IDS_LISTCLASS);
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RegisterClass(&wc);
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hdc = GetDC(GetDesktopWindow());
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GetTextMetrics(hdc, &tm);
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cyHeading = tm.tmHeight;
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ReleaseDC(GetDesktopWindow(), hdc);
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fRegistered = TRUE;
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}
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mclbcs.lpszHeadings = lpszHeadings;
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return(CreateWindow((LPCTSTR) RefString(IDS_LISTCLASS),
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(LPCTSTR) lpszTitle, dwStyle,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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hwndParent, NULL, hInst, (LPVOID)&mclbcs));
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}
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LRESULT CALLBACK MCLBClientWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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MCLBSTRUCT *pmclb;
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RECT rc;
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INT i;
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if (msg == WM_CREATE) {
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LPTSTR psz;
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MCLBCREATESTRUCT FAR *pcs;
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pcs = (MCLBCREATESTRUCT FAR *)((LPCREATESTRUCT)lParam)->lpCreateParams;
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pmclb = (MCLBSTRUCT *)LocalAlloc(LPTR, sizeof(MCLBSTRUCT));
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psz = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR)
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* (lstrlen(pcs->lpszHeadings) + 1));
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lstrcpy((LPTSTR)psz, pcs->lpszHeadings);
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pmclb->pszHeadings = psz;
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pmclb->cCols = 1;
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while (*psz) {
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if (*psz == '\t') {
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pmclb->cCols++;
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}
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psz++;
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}
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pmclb->SortCol = 0;
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SetWindowLongPtr(hwnd, 0, (LONG_PTR)pmclb);
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GetClientRect(hwnd, &rc);
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pmclb->hwndLB = CreateWindow((LPCTSTR) RefString(IDS_LBOX),
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(LPCTSTR) szNULL,
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MYLBSTYLE | WS_VISIBLE,
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0, 0, 0, 0, hwnd, (HMENU)IntToPtr(pmclb->cCols), hInst, NULL);
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return(pmclb->hwndLB ? 0 : -1);
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}
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pmclb = (MCLBSTRUCT *)GetWindowLongPtr(hwnd, 0);
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switch (msg) {
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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DRAWITEMSTRUCT dis;
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BeginPaint(hwnd, &ps);
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SetBkMode(ps.hdc, TRANSPARENT);
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dis.hwndItem = hwnd;
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dis.hDC = ps.hdc;
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GetClientRect(hwnd, &dis.rcItem);
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dis.rcItem.bottom = dis.rcItem.top + cyHeading;
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dis.CtlType = ODT_BUTTON; // hack to avoid erasure
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dis.CtlID = pmclb->cCols;
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dis.itemID = 0;
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dis.itemAction = ODA_DRAWENTIRE;
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dis.itemData = (UINT_PTR)(LPTSTR)pmclb->pszHeadings;
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dis.itemState = 0;
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DrawLBItem(&dis);
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EndPaint(hwnd, &ps);
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}
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break;
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case WM_SIZE:
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MoveWindow(pmclb->hwndLB, 0, cyHeading, LOWORD(lParam),
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HIWORD(lParam) - cyHeading, TRUE);
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break;
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case WM_LBUTTONDOWN:
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{
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HWND hwndLB;
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INT i;
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// determine which collumn the mouse landed and sort on that collumn.
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SendMessage(hwnd, WM_SETREDRAW, 0, 0);
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GetClientRect(hwnd, &rc);
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InflateRect(&rc, -1, -1);
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pmclb->SortCol = LOWORD(lParam) * pmclb->cCols / (rc.right - rc.left);
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hwndLB = CreateWindow((LPCTSTR) RefString(IDS_LBOX),
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(LPCTSTR) szNULL, MYLBSTYLE, 1, cyHeading + 1,
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rc.right - rc.left, rc.bottom - rc.top - cyHeading,
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hwnd, (HMENU)IntToPtr(pmclb->cCols), hInst, NULL);
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for (i = (INT)SendMessage(pmclb->hwndLB, LB_GETCOUNT, 0, 0); i;
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i--) {
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SendMessage(hwndLB, LB_ADDSTRING, 0,
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SendMessage(pmclb->hwndLB, LB_GETITEMDATA, i - 1, 0));
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SendMessage(pmclb->hwndLB, LB_SETITEMDATA, i - 1, 0);
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}
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ShowWindow(hwndLB, SW_SHOW);
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ShowWindow(pmclb->hwndLB, SW_HIDE);
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DestroyWindow(pmclb->hwndLB);
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pmclb->hwndLB = hwndLB;
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SendMessage(hwnd, WM_SETREDRAW, 1, 0);
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InvalidateRect(hwnd, NULL, FALSE);
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}
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break;
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case WM_DELETEITEM:
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if ((UINT)((LPDELETEITEMSTRUCT)lParam)->itemData)
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LocalFree(LocalHandle((PVOID)((LPDELETEITEMSTRUCT)lParam)->itemData));
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break;
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case WM_MEASUREITEM:
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((LPMEASUREITEMSTRUCT)lParam)->itemHeight = cyHeading;
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break;
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case WM_DRAWITEM:
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GetClientRect(hwnd, &rc);
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// This fudge makes the collumns line up with the heading.
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((LPDRAWITEMSTRUCT)lParam)->rcItem.right = rc.right;
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DrawLBItem((LPDRAWITEMSTRUCT)lParam);
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return(DefWindowProc(hwnd, msg, wParam, lParam));
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break;
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case WM_COMPAREITEM:
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return(CompareItems((LPTSTR)((LPCOMPAREITEMSTRUCT)lParam)->itemData1,
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(LPTSTR)((LPCOMPAREITEMSTRUCT)lParam)->itemData2,
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pmclb->SortCol,
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pmclb->cCols));
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break;
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case WM_DESTROY:
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LocalFree(LocalHandle((PVOID)pmclb->pszHeadings));
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LocalFree(LocalHandle((PVOID)pmclb));
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break;
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case WM_CLOSE:
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for (i = 0; i < IT_COUNT && (hwndTrack[i] != hwnd); i++) {
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;
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}
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pro.fTrack[i] = FALSE;
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hwndTrack[i] = NULL;
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SetFilters();
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DestroyWindow(hwnd);
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break;
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default:
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return(DefWindowProc(hwnd, msg, wParam, lParam));
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}
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return 0;
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}
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/*
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* Make this return FALSE if addition not needed.
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*
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* if pszSearch != NULL, searches for pszSearch - collumns may contain
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* wild strings - TEXT("*")
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* If found, the string is removed from the LB.
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* Adds pszReplace to LB.
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*/
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VOID AddMCLBText(LPTSTR pszSearch, LPTSTR pszReplace, HWND hwndLBFrame)
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{
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MCLBSTRUCT *pmclb;
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INT lit;
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LPTSTR psz;
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pmclb = (MCLBSTRUCT *)GetWindowLongPtr(hwndLBFrame, 0);
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SendMessage(pmclb->hwndLB, WM_SETREDRAW, 0, 0);
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if (pszSearch != NULL) {
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lit = (INT)SendMessage(pmclb->hwndLB, LB_FINDSTRING, (WPARAM)-1, (LPARAM)pszSearch);
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if (lit >= 0) {
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SendMessage(pmclb->hwndLB, LB_DELETESTRING, lit, 0);
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}
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}
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psz = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * (lstrlen(pszReplace) + 1));
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lstrcpy(psz, pszReplace);
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SendMessage(pmclb->hwndLB, WM_SETREDRAW, 1, 0);
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SendMessage(pmclb->hwndLB, LB_ADDSTRING, 0, (LPARAM)psz);
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}
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/*
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* This function assumes that the text in cCol is an ASCII number. 0 is
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* returned if it is not found.
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*/
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INT GetMCLBColValue(LPTSTR pszSearch, HWND hwndLBFrame, INT cCol)
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{
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MCLBSTRUCT *pmclb;
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LPTSTR psz;
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INT lit;
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pmclb = (MCLBSTRUCT *)GetWindowLongPtr(hwndLBFrame, 0);
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lit = (INT)SendMessage(pmclb->hwndLB, LB_FINDSTRING, (WPARAM)-1,
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(LPARAM)(LPTSTR)pszSearch);
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if (lit < 0) {
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return(0);
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}
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psz = (LPTSTR)SendMessage(pmclb->hwndLB, LB_GETITEMDATA, lit, 0);
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while (--cCol && (psz = wcschr(psz, '\t') + 1)) {
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;
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}
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if (psz) {
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return(atoi(psz));
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} else {
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return(0);
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}
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}
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/*
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* Returns fFoundAndRemoved
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*/
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BOOL DeleteMCLBText(LPTSTR pszSearch, HWND hwndLBFrame)
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{
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MCLBSTRUCT *pmclb;
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INT lit;
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pmclb = (MCLBSTRUCT *)GetWindowLongPtr(hwndLBFrame, 0);
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lit = (INT)SendMessage(pmclb->hwndLB, LB_FINDSTRING, (WPARAM)-1, (LPARAM)pszSearch);
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if (lit >= 0) {
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SendMessage(pmclb->hwndLB, LB_DELETESTRING, lit, 0);
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return(TRUE);
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}
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return(FALSE);
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}
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/*
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* Returns >0 if item1 comes first, <0 if item2 comes first, 0 if ==.
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*/
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INT CompareItems(LPTSTR psz1, LPTSTR psz2, INT SortCol, INT cCols)
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{
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INT i, Col;
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i = CmpCols(psz1, psz2, SortCol);
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if (i != 0) {
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return(i);
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}
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for (Col = 0; Col < cCols; Col++) {
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if (Col == SortCol) {
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continue;
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}
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i = CmpCols(psz1, psz2, Col);
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if (i != 0) {
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return(i);
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}
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}
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return(0);
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}
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INT CmpCols(LPTSTR psz1, LPTSTR psz2, INT SortCol)
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{
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LPTSTR psz, pszT1, pszT2;
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INT iRet;
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while (SortCol--) {
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psz = wcschr(psz1, '\t');
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if (psz != NULL) {
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psz1 = psz + 1;
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} else {
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psz1 = psz1 + lstrlen(psz1);
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}
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psz = wcschr(psz2, '\t');
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if (psz != NULL) {
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psz2 = psz + 1;
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} else {
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psz2 = psz2 + lstrlen(psz2);
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}
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}
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pszT1 = wcschr(psz1, '\t');
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pszT2 = wcschr(psz2, '\t');
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if (pszT1) {
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*pszT1 = '\0';
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}
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if (pszT2) {
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*pszT2 = '\0';
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}
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if (!lstrcmp((LPCTSTR)RefString(IDS_WILD), psz1)
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|| !lstrcmp((LPCTSTR) RefString(IDS_WILD), psz2)) {
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iRet = 0;
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} else {
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iRet = lstrcmp(psz1, psz2);
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}
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if (pszT1) {
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*pszT1 = '\t';
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}
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if (pszT2) {
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*pszT2 = '\t';
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}
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return(iRet);
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}
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VOID DrawLBItem(LPDRAWITEMSTRUCT lpdis)
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{
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RECT rcDraw;
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INT cxSection;
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LPTSTR psz, pszEnd;
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if (!lpdis->itemData)
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return;
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if ((lpdis->itemAction & ODA_DRAWENTIRE) ||
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((lpdis->itemAction & ODA_SELECT) &&
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(lpdis->itemState & ODS_SELECTED))) {
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rcDraw = lpdis->rcItem;
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if (lpdis->CtlType != ODT_BUTTON) { // hack to avoid erasure
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HBRUSH hbr;
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hbr = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
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FillRect(lpdis->hDC, &lpdis->rcItem, hbr);
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DeleteObject(hbr);
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}
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cxSection = (rcDraw.right - rcDraw.left) / lpdis->CtlID;
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psz = (LPTSTR)lpdis->itemData;
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rcDraw.right = rcDraw.left + cxSection;
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while (pszEnd = wcschr(psz, '\t')) {
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*pszEnd = '\0';
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DrawText(lpdis->hDC, psz, -1, &rcDraw, DT_LEFT);
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OffsetRect(&rcDraw, cxSection, 0);
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*pszEnd = '\t';
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psz = pszEnd + 1;
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}
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DrawText(lpdis->hDC, psz, -1, &rcDraw, DT_LEFT);
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if (lpdis->itemState & ODS_SELECTED)
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InvertRect(lpdis->hDC, &lpdis->rcItem);
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if (lpdis->itemState & ODS_FOCUS)
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DrawFocusRect(lpdis->hDC, &lpdis->rcItem);
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} else if (lpdis->itemAction & ODA_SELECT) {
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InvertRect(lpdis->hDC, &lpdis->rcItem);
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} else if (lpdis->itemAction & ODA_FOCUS) {
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DrawFocusRect(lpdis->hDC, &lpdis->rcItem);
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}
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}
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