/* ---------------------------------------------------------------------
* ListboxNew
* Create a list box dialog control
* ---------------------------------------------------------------------
*/
CUIWINDOW*
ListboxNew(CUIWINDOW* parent, const wchar_t* text, int x, int y, int w, int h,
int id, int sflags, int cflags)
{
if (parent)
{
CUIWINDOW* listbox;
int flags = sflags | CWS_TABSTOP | CWS_BORDER;
flags &= ~(cflags);
listbox = WindowNew(parent, x, y, w, h, flags);
listbox->Class = _T("LISTBOX");
WindowSetId(listbox, id);
WindowSetNcPaintHook(listbox, ListboxNcPaintHook);
WindowSetPaintHook(listbox, ListboxPaintHook);
WindowSetKeyHook(listbox, ListboxKeyHook);
WindowSetSetFocusHook(listbox, ListboxSetFocusHook);
WindowSetKillFocusHook(listbox, ListboxKillFocusHook);
WindowSetMButtonHook(listbox, ListboxMButtonHook);
WindowSetVScrollHook(listbox, ListboxVScrollHook);
WindowSetSizeHook(listbox, ListboxSizeHook);
WindowSetDestroyHook(listbox, ListboxDestroyHook);
WindowEnableVScroll(listbox, TRUE);
WindowSetLayoutHook(listbox, ListboxLayoutHook);
listbox->InstData = (LISTBOXDATA*) malloc(sizeof(LISTBOXDATA));
((LISTBOXDATA*)listbox->InstData)->SetFocusHook = NULL;
((LISTBOXDATA*)listbox->InstData)->KillFocusHook = NULL;
((LISTBOXDATA*)listbox->InstData)->PreKeyHook = NULL;
((LISTBOXDATA*)listbox->InstData)->PostKeyHook = NULL;
((LISTBOXDATA*)listbox->InstData)->LbChangedHook = NULL;
((LISTBOXDATA*)listbox->InstData)->LbChangingHook = NULL;
((LISTBOXDATA*)listbox->InstData)->LbClickedHook = NULL;
((LISTBOXDATA*)listbox->InstData)->NumItems = 0;
((LISTBOXDATA*)listbox->InstData)->SelIndex = -1;
((LISTBOXDATA*)listbox->InstData)->Sorted = ((flags & LB_SORTED) != 0);
((LISTBOXDATA*)listbox->InstData)->Descending = ((flags & LB_DESCENDING) != 0);
((LISTBOXDATA*)listbox->InstData)->FirstItem = NULL;
((LISTBOXDATA*)listbox->InstData)->LastItem = NULL;
((LISTBOXDATA*)listbox->InstData)->MouseDown = FALSE;
WindowSetText(listbox, text);
return listbox;
}
return NULL;
}
/* ---------------------------------------------------------------------
* ComboboxShowDropdown
* Display dropdown window
* ---------------------------------------------------------------------
*/
static void
ComboboxShowDropdown(CUIWINDOW* win, COMBOBOXDATA* data, int capture)
{
CUIWINDOW* listbox;
CUIRECT rc;
int height;
WindowGetWindowRect(win, &rc);
height = ((data->NumItems + 2) > data->Height) ? data->Height : (data->NumItems + 2);
if ((LINES - rc.Y) > height)
{
listbox = WindowNew(win, rc.X, rc.Y + 1, rc.W, height,
CWS_POPUP | CWS_BORDER | CWS_TABSTOP);
}
else if (rc.Y > (LINES / 2))
{
if (height > (rc.Y - 1))
{
height = rc.Y - 1;
}
listbox = WindowNew(win, rc.X, rc.Y - height - 1, rc.W, height,
CWS_POPUP | CWS_BORDER | CWS_TABSTOP);
}
else
{
if (height > (LINES - rc.Y - 1))
{
height = LINES - rc.Y - 1;
}
listbox = WindowNew(win, rc.X, rc.Y + 1, rc.W, height,
CWS_POPUP | CWS_BORDER | CWS_TABSTOP);
}
listbox->Class = _T("CBDROPDOWN");
WindowSetPaintHook(listbox, CbDropdownPaintHook);
WindowSetKeyHook(listbox, CbDropdownKeyHook);
WindowSetMButtonHook(listbox, CbDropdownMButtonHook);
WindowSetVScrollHook(listbox, CbDropdownVScrollHook);
WindowSetSizeHook(listbox, CbDropdownSizeHook);
WindowSetSetFocusHook(listbox, CbDropdownSetFocusHook);
WindowSetKillFocusHook(listbox, CbDropdownKillFocusHook);
WindowEnableVScroll(listbox, TRUE);
listbox->InstData = (void*) data;
data->SelIndex = data->CtrlSelIndex;
data->MouseDown = capture;
data->DropdownState = TRUE;
data->CloseKey = 0;
if (height > 0)
{
WindowCreate(listbox);
if (capture)
{
WindowSetCapture(listbox);
}
WindowModal(listbox);
WindowReleaseCapture();
}
WindowDestroy(listbox);
data->DropdownState = FALSE;
ComboboxUpdate(win);
switch(data->CloseKey)
{
case KEY_TAB:
case KEY_RIGHT:
WindowFocusNext(win->Parent);
break;
case KEY_LEFT:
WindowFocusPrevious(win->Parent);
break;
}
}
