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#include <windows.h>
#include <commctrl.h>
#include <TCHAR.H>
#include <SWI-Prolog.h>
#include "resource.h"
#include "common.h"
#include "listview.h"
#include "episodelistview.h"
#include "main.h"
extern HFONT g_GUIFontBold;
HWND gElv_hWnd;
WNDPROC g_PrevElvProc;
int g_SelectedItem = -1; /* Remembered after refresh. */
HWND
ElvCreate(HWND hWnd)
{
HMODULE hModule;
HWND hListView;
LVCOLUMN lvc;
gElv_hWnd = hWnd;
hListView = LvCreate(hWnd, (HMENU)IDC_EPISODELISTVIEW);
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);
ElvUpdate();
return hListView;
}
LRESULT
ElvHandleNotify(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;
ElvUpdateName(pNmLv);
//DlvShowEpisode(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;
}
/* Update episode list. */
void
ElvUpdate()
{
HWND hListView;
LVITEM lviEpisode, lviName;
qid_t q;
term_t t;
hListView = GetDlgItem(gElv_hWnd, IDC_EPISODELISTVIEW);
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);
}
/* Update episode name. */
void
ElvUpdateName(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(gElv_hWnd, IDC_EPISODELISTVIEW);
ListView_SetItemText(hListView, pNmLv->iItem, 1, tszName);
}
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