From 52fb337856497cb151081f3738e7cfa4bc2883bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= Date: Tue, 15 Feb 2022 16:29:59 +0100 Subject: Rework list view code. --- c/win.c | 560 ---------------------------------------------------------------- 1 file changed, 560 deletions(-) delete mode 100644 c/win.c (limited to 'c/win.c') diff --git a/c/win.c b/c/win.c deleted file mode 100644 index 6f82645..0000000 --- a/c/win.c +++ /dev/null @@ -1,560 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include "resource.h" - -#define CLASSNAME TEXT("Episode Browser") - -HFONT g_GUIFont; -HFONT g_GUIFontBold; -WNDPROC g_PrevLvProc; - -int g_SelectedItem = -1; /* Remembered after refresh. */ - -static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); -static INT_PTR CALLBACK AboutDlgProc(HWND, UINT, WPARAM, LPARAM); -static LRESULT CALLBACK LvProc(HWND, UINT, WPARAM, LPARAM); - -static void CreateListView(HWND); -static LRESULT HandleListViewNotify(HWND, LPARAM); -static void UpdateLayout(HWND); - -static void SetupFonts(); -static TCHAR *TSZFromSZ(char *, int); - -static int Attach(void); -static void UpdateName(HWND, NMLISTVIEW *); -static void UpdateList(HWND); -static void ShowEpisode(HWND, int); -static int Watched(int); - -int WINAPI -WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, - LPSTR lpCmdLine, INT nCmdShow) -{ - char *rgArgs[2]; - HWND hWnd; - MSG msg; - INITCOMMONCONTROLSEX icc; - WNDCLASSEX wc; - - /* Initialize Prolog. */ - - rgArgs[0] = "episode_browser"; - rgArgs[1] = NULL; - - if (!PL_initialise(1, rgArgs)) - PL_halt(1); - - Attach(); - - /* Create window. */ - - icc.dwSize = sizeof(icc); - icc.dwICC = ICC_WIN95_CLASSES; - InitCommonControlsEx(&icc); - - SetupFonts(); - - wc.cbSize = sizeof(WNDCLASSEX); - wc.style = 0; - wc.lpfnWndProc = WndProc; - wc.cbClsExtra = 0; - wc.cbWndExtra = 0; - wc.hInstance = hInstance; - wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); - wc.hCursor = LoadCursor(NULL, IDC_ARROW); - wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); - wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU); - wc.lpszClassName = CLASSNAME; - wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION); - - RegisterClassEx(&wc); - - hWnd = CreateWindowEx( - 0, - CLASSNAME, - TEXT("Episode Browser"), - WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, /* Position */ - 510, 300, /* Size */ - NULL, /* Parent window */ - NULL, /* Menu */ - hInstance, - NULL - ); - - if (!hWnd) - return 0; - - ShowWindow(hWnd, nCmdShow); - - while (GetMessage(&msg, NULL, 0, 0) > 0) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - - return 0; -} - -LRESULT CALLBACK -WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - switch (uMsg) { - case WM_CLOSE: - DestroyWindow(hWnd); - break; - case WM_DESTROY: - PostQuitMessage(0); - break; - case WM_COMMAND: - switch (LOWORD(wParam)) { - case ID_FILE_EXIT: - PostMessage(hWnd, WM_CLOSE, 0, 0); - break; - case ID_FILE_REFRESH: - UpdateList(hWnd); - break; - case ID_FILE_ABOUT: - DialogBox( - GetModuleHandle(NULL), - MAKEINTRESOURCE(IDD_ABOUT), - hWnd, - AboutDlgProc - ); - break; - } - break; - case WM_CREATE: - CreateListView(hWnd); - break; - case WM_SIZE: - UpdateLayout(hWnd); - break; - case WM_NOTIFY: - switch (((NMHDR *)lParam)->idFrom) { - case IDC_LISTVIEW: - return HandleListViewNotify(hWnd, lParam); - } - break; - default: - return DefWindowProc(hWnd, uMsg, wParam, lParam); - } - - return 0; -} - -INT_PTR CALLBACK -AboutDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - switch (uMsg) { - case WM_INITDIALOG: - return TRUE; - case WM_CLOSE: - EndDialog(hWnd, IDOK); - break; - case WM_COMMAND: - switch (LOWORD(wParam)) { - case IDOK: - EndDialog(hWnd, IDOK); - break; - } - break; - default: - return FALSE; - } - - return TRUE; -} - -LRESULT CALLBACK -LvProc(HWND hListView, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - switch (uMsg) { - case WM_NOTIFY: - switch (((NMHDR *)lParam)->code) { - case HDN_ENDTRACK: - UpdateLayout(GetParent(hListView)); - return TRUE; - } - break; - } - - return CallWindowProc(g_PrevLvProc, - hListView, uMsg, wParam, lParam); -} - -/***/ - -void -CreateListView(HWND hWnd) -{ - HMODULE hModule; - HWND hListView; - LVCOLUMN lvc; - - hListView = CreateWindowEx( - 0, - WC_LISTVIEW, - TEXT(""), - WS_CHILD|WS_VISIBLE|WS_VSCROLL|LVS_REPORT, - 0, 0, 0, 0, - hWnd, - (HMENU)IDC_LISTVIEW, - GetModuleHandle(NULL), - NULL - ); - - g_PrevLvProc = (WNDPROC)SetWindowLongPtr(hListView, - GWLP_WNDPROC, (LONG_PTR)LvProc); - - SendMessage(hListView, WM_SETFONT, - (WPARAM)g_GUIFont, MAKELPARAM(FALSE, 0)); - - ListView_SetExtendedListViewStyle(hListView, - LVS_EX_DOUBLEBUFFER); - - hModule = LoadLibrary(TEXT("uxtheme.dll")); - if (hModule && GetProcAddress(hModule, "SetWindowTheme")) { - ListView_SetExtendedListViewStyle(hListView, - LVS_EX_FULLROWSELECT|LVS_EX_DOUBLEBUFFER); - SendMessage(hListView, WM_CHANGEUISTATE, - MAKEWPARAM(UIS_SET, UISF_HIDEFOCUS), 0); - SetWindowTheme(hListView, TEXT("Explorer"), NULL); - } - - lvc.mask = LVCF_WIDTH|LVCF_TEXT|LVCF_SUBITEM; - - lvc.iSubItem = 0; - lvc.pszText = TEXT("#"); - lvc.cx = 42; - ListView_InsertColumn(hListView, 0, &lvc); - - lvc.iSubItem = 1; - lvc.pszText = TEXT("Title"); - lvc.cx = 500; - ListView_InsertColumn(hListView, 1, &lvc); - - UpdateList(hWnd); -} - -LRESULT -HandleListViewNotify(HWND hWnd, LPARAM lParam) -{ - NMLISTVIEW *pNmLv; - - pNmLv = (NMLISTVIEW *)lParam; - - switch (pNmLv->hdr.code) { - case LVN_ITEMCHANGED: - if ((pNmLv->uChanged & LVIF_STATE) - && (pNmLv->uNewState & LVIS_FOCUSED)) { - g_SelectedItem = pNmLv->iItem; - UpdateName(hWnd, pNmLv); - //ShowEpisode(hWnd, pNmLv->lParam); - } - break; - case NM_CUSTOMDRAW: - { - NMLVCUSTOMDRAW *pLvCd; - pLvCd = (NMLVCUSTOMDRAW *)lParam; - switch (pLvCd->nmcd.dwDrawStage) { - case CDDS_PREPAINT: - return CDRF_NOTIFYITEMDRAW; - break; - case CDDS_ITEMPREPAINT: - if (!Watched(pLvCd->nmcd.lItemlParam)) { - SelectObject(pLvCd->nmcd.hdc, - g_GUIFontBold); - return CDRF_NEWFONT; - } - break; - } - } - break; - } - - return 0; -} - -void -UpdateLayout(HWND hWnd) -{ - HWND hListView; - int cxColumn; - RECT rc; - static int cxVScroll = 0; - - if (cxVScroll == 0) - cxVScroll = GetSystemMetrics(SM_CXVSCROLL); - - GetClientRect(hWnd, &rc); - hListView = GetDlgItem(hWnd, IDC_LISTVIEW); - MoveWindow(hListView, 0, 0, - rc.right, rc.bottom, - TRUE); - - cxColumn = ListView_GetColumnWidth(hListView, 0); - ListView_SetColumnWidth(hListView, 1, - rc.right-cxColumn-cxVScroll); - - ListView_EnsureVisible(hListView, g_SelectedItem, TRUE); -} - -/***/ - -void -SetupFonts() -{ - HMODULE hModule; - LOGFONT lf; - - hModule = LoadLibrary(TEXT("User32.dll")); - if (hModule && GetProcAddress(hModule, "SystemParametersInfoW")) { - NONCLIENTMETRICS m; - - m.cbSize = sizeof(NONCLIENTMETRICS); - SystemParametersInfo(SPI_GETNONCLIENTMETRICS, - sizeof(NONCLIENTMETRICS), &m, 0); - g_GUIFont = CreateFontIndirect(&m.lfMessageFont); - } else { - g_GUIFont = GetStockObject(DEFAULT_GUI_FONT); - } - - GetObject(g_GUIFont, sizeof(LOGFONT), &lf); - lf.lfWeight = FW_BOLD; - g_GUIFontBold = CreateFontIndirect(&lf); -} - -/* Convert zero-terminated non-wide (multi-byte) string to - * zero-terminated wide/non-wide string depending on UNICODE. */ -TCHAR * -TSZFromSZ(char *sz, int iCp) -{ - TCHAR *tsz; - -#ifdef UNICODE - int cbMultiByte, cchWideChar; - - cbMultiByte = strlen(sz)+1; - cchWideChar = MultiByteToWideChar(iCp, 0, sz, cbMultiByte, NULL, 0); - tsz = malloc(cchWideChar*sizeof(WCHAR)); - if (!tsz) - return NULL; - if (!MultiByteToWideChar(iCp, 0, sz, cbMultiByte, tsz, cchWideChar)) - return NULL; -#else - tsz = malloc(strlen(sz)+1); - if (!tsz) - return NULL; - strcpy(tsz, sz); -#endif - - return tsz; -} - -/***/ - -/* Attach persistent databases. */ -int -Attach() -{ - int r; - term_t t; - - t = PL_new_term_refs(2); - r = PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("attach", 0, "track_episodes"), - t); - if (!r) return r; - - r = PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("attach", 0, "episode_data"), - t); - if (!r) return r; - - return 1; -} - -/* Show episode data. */ -void -ShowEpisode(HWND hWnd, int iEpisode) -{ - int r; - term_t t; - - t = PL_new_term_refs(3); - if(!PL_put_integer(t+0, iEpisode)) - return; - - r = PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("lookup_episode_local", 3, "episode_data"), - t); - if (!r) - return; - - /* The episode data is a list of unary compounds, - * whose functor is the key and whose argument is the value. */ - - { - term_t tHead, tList; - - tHead = PL_new_term_ref(); - tList = PL_copy_term_ref(t+2); - - while (PL_get_list(tList, tHead, tList)) { - atom_t aKey; - const char *szKey; - char *szValue; - term_t tValue; - size_t iArity; - - if (!PL_get_name_arity(tHead, &aKey, &iArity)) - continue; - szKey = PL_atom_chars(aKey); - - if (!PL_get_arg(1, tHead, tValue)) - continue; - if (!PL_get_atom_chars(tValue, &szValue)) - continue; - - printf("%s/%d: %s\n", szKey, iArity, szValue); - } - } -} - -/* Update episode name. */ -void -UpdateName(HWND hWnd, NMLISTVIEW *pNmLv) -{ - char *szName; - HWND hListView; - TCHAR *tszName; - term_t t; - - t = PL_new_term_refs(3); - if (!PL_put_integer(t+0, pNmLv->lParam)) - return; - - PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("lookup_episode", 3, "episode_data"), - t); - - if (!PL_get_atom_chars(t+1, &szName)) - return; - - tszName = TSZFromSZ(szName, CP_UTF8); - if (!tszName) - return; - - hListView = GetDlgItem(hWnd, IDC_LISTVIEW); - ListView_SetItemText(hListView, pNmLv->iItem, 1, tszName); -} - -/* Update episode list. */ -void -UpdateList(HWND hWnd) -{ - HWND hListView; - LVITEM lviEpisode, lviName; - qid_t q; - term_t t; - - hListView = GetDlgItem(hWnd, IDC_LISTVIEW); - - ListView_DeleteAllItems(hListView); - - lviEpisode.mask = LVIF_TEXT|LVIF_PARAM; - lviName.mask = LVIF_TEXT; - - t = PL_new_term_refs(2); - PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("update_tracked_episodes", 0, "track_episodes"), - t); - - q = PL_open_query(NULL, PL_Q_NORMAL, - PL_predicate("episode_file", 2, "local_episodes"), - t); - - for (int i = 0; PL_next_solution(q); i++) { - char *szName; - int cb, iEpisode, iItem, r; - TCHAR *tszEpisode, *tszName; - term_t t2; - - /* Lookup episode name. */ - - if (!PL_get_integer(t+0, &iEpisode)) - goto close; - - t2 = PL_new_term_refs(3); - if(!PL_put_integer(t2+0, iEpisode)) - return; - - r = PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("lookup_episode_local", 3, "episode_data"), - t2); - - /* Format episode, name strings. */ - - tszName = NULL; - if (r && PL_get_atom_chars(t2+1, &szName)) { - tszName = TSZFromSZ(szName, CP_UTF8); - if (!tszName) - continue; - } - - cb = 100; - tszEpisode = malloc(cb*sizeof(TCHAR)); - if (!tszEpisode) - continue; - _stprintf_s(tszEpisode, cb, TEXT("%d"), - iEpisode); - - /* Insert item. */ - - lviEpisode.mask = LVIF_TEXT|LVIF_STATE|LVIF_PARAM; - lviEpisode.iItem = i; - lviEpisode.iSubItem = 0; - lviEpisode.pszText = tszEpisode; - lviEpisode.lParam = iEpisode; - ListView_InsertItem(hListView, &lviEpisode); - - if (tszName) { - lviName.iItem = i; - lviName.iSubItem = 1; - lviName.pszText = tszName; - ListView_SetItem(hListView, &lviName); - } - - free(tszName); - free(tszEpisode); - } - - if (g_SelectedItem != -1) { - ListView_SetItemState(hListView, g_SelectedItem, - LVIS_SELECTED, LVIS_SELECTED); - ListView_EnsureVisible(hListView, g_SelectedItem, TRUE); - } - -close: - PL_close_query(q); -} - -int -Watched(int iEpisode) -{ - term_t t; - - t = PL_new_term_refs(1); - if (!PL_put_integer(t+0, iEpisode)) - return 0; - - return PL_call_predicate(NULL, PL_Q_NORMAL, - PL_predicate("watched", 1, "track_episodes"), - t); -} -- cgit v1.2.3