Function everything_window_proc

EverythingExt/quick_select.cpp:549–642

WNDPROC everything_window_proc_prev;
LRESULT CALLBACK everything_window_proc(
    _In_ HWND   hwnd,
    _In_ UINT   uMsg,
    _In_ WPARAM wParam,
    _In_ LPARAM lParam)
{
    switch (uMsg) {
    case WM_MEASUREITEM: {
        MEASUREITEMSTRUCT* measure = (MEASUREITEMSTRUCT*)lParam;
        if (measure->CtlType != ODT_LISTVIEW)
            break;

        HWND quick_list = (HWND)GetPropW(hwnd, everything_prop_quick_list);  // measure->CtlID == 0?
        QuickListData* data = (QuickListData*)GetPropW(quick_list, quick_list_prop);
        if (!data) {
            DebugOStream() << L"everything quick_list prop is null\n";
            break;
        }
        measure->itemHeight = data->item_height ? data->item_height : data->default_item_height;

        return true;
    }
    case WM_DRAWITEM: {
        DRAWITEMSTRUCT* draw = (DRAWITEMSTRUCT*)lParam;
        QuickListData* data;
        if (draw->CtlType != ODT_LISTVIEW || !(data = (QuickListData*)GetPropW(draw->hwndItem, quick_list_prop)))
            break;

        HDC dc = draw->hDC;

        FillRect(dc, &draw->rcItem, data->background_brush);
        
        /*
        wchar_t s;
        if (0 <= draw->itemID && draw->itemID < 9)
            s = L'1' + draw->itemID;
        else if (draw->itemID == 9)
            s = L'0';
        else if (draw->itemID < 10 + 26)
            s = L'A' + draw->itemID - 10;
        else
            return true;
        */
        wchar_t s[] = L"1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        if (draw->itemID >= std::size(s) - 1)
            return true;

        /*
        // fix the right (the column width is 0x7FFF)
        RECT quick_rect;
        GetWindowRect(draw->hwndItem, &quick_rect);
        draw->rcItem.right = draw->rcItem.left + (quick_rect.right - quick_rect.left);
        */
        draw->rcItem.left = data->left_key_padding;

        SetTextColor(dc, data->text_color);

        HFONT font = (HFONT)SendMessageW(data->list_header, WM_GETFONT, 0, 0);