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#include <windows.h>
#include <commctrl.h>
#include <TCHAR.H>
#include <SWI-Prolog.h>
#include "resource.h"
#include "defs.h"
HWND HElv;
LPLVITEM LpLviElvSelection; /* Most recently selected episode. */
HWND
ElvCreate()
{
LVCOLUMN lvc;
term_t t;
LpLviElvSelection = malloc(sizeof(LVITEM));
if (!LpLviElvSelection) return NULL;
HElv = LvCreate((HMENU)IDC_EPISODELISTVIEW);
lvc.mask = LVCF_WIDTH|LVCF_TEXT|LVCF_SUBITEM;
lvc.iSubItem = 0;
lvc.pszText = TEXT("#");
lvc.cx = Dpi(42);
ListView_InsertColumn(HElv, 0, &lvc);
lvc.iSubItem = 1;
lvc.pszText = TEXT("Title");
lvc.cx = 500;
ListView_InsertColumn(HElv, 1, &lvc);
t = T(0);
P("track_episodes","update_tracked_episodes",0,t);
ElvUpdate();
ElvSelectRecent();
return HElv;
}
LRESULT
ElvHandleNotify(LPARAM lParam)
{
LPNMLISTVIEW lpNmLv;
lpNmLv = (LPNMLISTVIEW)lParam;
switch (lpNmLv->hdr.code) {
case LVN_ITEMCHANGED:
if ((lpNmLv->uChanged & LVIF_STATE) &&
(lpNmLv->uNewState & LVIS_FOCUSED)) {
LpLviElvSelection->iItem = lpNmLv->iItem;
LpLviElvSelection->lParam = lpNmLv->lParam;
ElvUpdateName(LpLviElvSelection);
DlvShowEpisode(lpNmLv->lParam);
}
break;
case NM_CUSTOMDRAW: /* Make unwatched episodes bold. */
{
LPNMLVCUSTOMDRAW lpLvCd;
lpLvCd = (LPNMLVCUSTOMDRAW)lParam;
switch (lpLvCd->nmcd.dwDrawStage) {
case CDDS_PREPAINT:
return CDRF_NOTIFYITEMDRAW;
break;
case CDDS_ITEMPREPAINT:
{
term_t t;
extern HFONT HfBold;
t = T(1);
PI(t,lpLvCd->nmcd.lItemlParam) break;
P("track_episodes","watched",1,t) {
SelectObject(lpLvCd->nmcd.hdc, HfBold);
return CDRF_NEWFONT;
}
break;
}
}
break;
}
case NM_DBLCLK: /* Open clicked episode. */
{
term_t t;
t = T(1);
PI(t,LpLviElvSelection->lParam) break;
P("local_episodes","open_episode",1,t);
break;
}
case NM_RETURN: /* Open all selected episodes. */
{
LVITEM lvi;
term_t t;
extern HWND HElv;
lvi.mask = LVIF_PARAM;
lvi.iItem = -1;
t = T(1);
while ((lvi.iItem = ListView_GetNextItem(
HElv, lvi.iItem, LVNI_SELECTED)) != -1) {
if (!ListView_GetItem(HElv, &lvi)) goto b;
PI(t,lvi.lParam) goto b;
P("local_episodes","open_episode",1,t);
}
b: break;
}
case NM_RCLICK:
{
DWORD dwPos;
extern HWND HWnd;
extern HMENU HPopupMenu;
dwPos = GetMessagePos();
TrackPopupMenu(HPopupMenu, TPM_RIGHTBUTTON,
LOWORD(dwPos), HIWORD(dwPos), 0,
HWnd, NULL);
break;
}
}
return 0;
}
void
ElvRedraw()
{
RedrawWindow(HElv, NULL, NULL,
RDW_ERASE|RDW_FRAME|RDW_INVALIDATE|RDW_ALLCHILDREN);
}
void
ElvSetTop(int iItem)
{
int iLast;
iLast = ListView_GetItemCount(HElv)-1;
ListView_EnsureVisible(HElv, iLast, TRUE);
ListView_EnsureVisible(HElv, iItem, TRUE);
}
/* Select most recent episode. */
void
ElvSelectRecent()
{
int iEpisode, iItem;
LVFINDINFO lvfi;
term_t t;
t = T(1);
iItem = 0;
P("track_episodes","most_recently_watched",1,t) goto s;
GI(t,&iEpisode) return;
lvfi.flags = LVFI_PARAM;
lvfi.lParam = iEpisode;
iItem = ListView_FindItem(HElv, -1, &lvfi);
if (iItem == -1) return;
s: ElvSetTop(iItem > 5? iItem-5: 0);
ListView_SetItemState(HElv, iItem,
LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);
LpLviElvSelection->iItem = iItem;
LpLviElvSelection->lParam = iEpisode;
ElvUpdateName(LpLviElvSelection);
DlvShowEpisode(iEpisode);
}
/* Update episode list. */
void
ElvUpdate()
{
int iLast, iTop;
LVITEM lviEpisode, lviName;
term_t t;
SendMessage(HElv, WM_SETREDRAW, FALSE, 0);
iTop = ListView_GetTopIndex(HElv);
ListView_DeleteAllItems(HElv);
lviEpisode.mask = LVIF_TEXT|LVIF_PARAM;
lviName.mask = LVIF_TEXT;
t = T(1);
P("episode_data","last_episode",1,t) return;
GI(t,&iLast) return;
for (int i = 0; i < iLast; i++) {
char *szName;
int cb;
TCHAR *tszEpisode, *tszName;
term_t t2;
/* Format name string. */
t2 = T(3);
PI(t2,i+1) return;
tszName = NULL;
P("episode_data","lookup_episode_local",3,t2) goto ep;
GAC(t2+1,&szName) goto ep;
tszName = TszFromSz(szName, CP_UTF8);
if (!tszName) return;
/* Format episode number string. */
ep: cb = 100;
tszEpisode = malloc(cb*sizeof(TCHAR));
if (!tszEpisode) goto e;
_stprintf_s(tszEpisode, cb, TEXT("%d"), i+1);
/* Insert item. */
lviEpisode.iItem = i;
lviEpisode.iSubItem = 0;
lviEpisode.pszText = tszEpisode;
lviEpisode.lParam = i+1;
ListView_InsertItem(HElv, &lviEpisode);
if (tszName) {
lviName.iItem = i;
lviName.iSubItem = 1;
lviName.pszText = tszName;
ListView_SetItem(HElv, &lviName);
}
free(tszEpisode);
e: if (tszName) free(tszName);
}
/* Reset selection and scrolling position. */
ElvSetTop(iTop);
if (LpLviElvSelection)
ListView_SetItemState(HElv, LpLviElvSelection->iItem,
LVIS_SELECTED, LVIS_SELECTED);
SendMessage(HElv, WM_SETREDRAW, TRUE, 0);
ElvRedraw();
}
/* Update episode name. */
void
ElvUpdateName(LPLVITEM lpLvi)
{
char *szName;
TCHAR *tszName;
term_t t;
t = T(3);
PI(t,lpLvi->lParam) return;
P("episode_data","lookup_episode",3,t) return;
GAC(t+1,&szName) return;
tszName = TszFromSz(szName, CP_UTF8);
if (!tszName) return;
ListView_SetItemText(HElv, lpLvi->iItem, 1, tszName);
}
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