C++ pfc::list_t类代码示例

void dsp_preset_switcher::findDspNames( pfc::list_t<pfc::string8> &out ) const
{
	// storing menu handles may not be a good idea, since the user can change DSP preset settings without notify this component

	out.remove_all();

	// enumerate mainmenu items
	service_enum_t<mainmenu_commands> e;
	service_ptr_t<mainmenu_commands_v2> ptr;
	while( e.next( ptr ) )
	{
		for( t_uint32 i = 0 , imax = ptr->get_command_count(); i < imax; ++i )
		{
			// lock-on on DSP settings
			pfc::string8 group_name;
			ptr->get_name( i , group_name );
			const char *DSP_PARENT_STR = "DSP";  // partial match, hope to work with non-English locale
			if( strstr( group_name.toString() , DSP_PARENT_STR ) == nullptr )
				continue;

			// should be a dynamic item
			if( !ptr->is_command_dynamic( i ) )
			{
				console::printf( CONSOLE_HEADER "%s(): item is NOT dynamic!!" , __FUNCTION__ );
				continue;
			}
			const mainmenu_node::ptr dsp_group_node = ptr->dynamic_instantiate( i );

			// should be a group node
			if( dsp_group_node->get_type() != mainmenu_node::type_group )
			{
				console::printf( CONSOLE_HEADER "%s(): node is NOT type_group!!" , __FUNCTION__ );
				continue;
			}

			// enumerate dsp names
			for( t_size j = 0 , jmax = dsp_group_node->get_children_count(); ( j < jmax ) && ( jmax > 1 ) ; ++j )  // jmax == 1 when there only exist "Preferences" items
			{
				const mainmenu_node::ptr dsp_item_node = dsp_group_node->get_child( j );
				if( dsp_item_node->get_type() == mainmenu_node::type_command )
				{
					pfc::string8 n;
					t_uint32 d;
					dsp_item_node->get_display( n , d );
					out.add_item( n );
					//console::printf( CONSOLE_HEADER "%s" , n.toString() );
				}
				else if( dsp_item_node->get_type() == mainmenu_node::type_separator )
				{
					// stop when encountered type_separator
					break;
				}
			}
			return;
		}
	}

	return;
}

	void set_fields(pfc::list_t<field_t> & p_source)
	{
		t_size i, count = p_source.get_count();
		m_fields.set_count(count);
		for (i=0; i<count; i++)
			m_fields[i].m_name = p_source[i].m_name;
	}

void dsp_preset_switcher::initEntries( pfc::list_t<pfc::string8> &out ) const
{
	// clear existing entries
	addEntry( "" );  // ensure a 1-item height empty item-list is displayed
	clearEntires();

	// get dsp names
	out.remove_all();
	findDspNames( out );

	// add to combo box
	for( t_size i = 0 , imax = out.get_count(); i < imax ; ++i )
	{
		addEntry( out[i] );
	}

	return;
}

void fields_list_view_t::get_insert_items(t_size base, t_size count, pfc::list_t<t_list_view::t_item_insert> & items)
{
	t_size i;
	items.set_count(count);
	for (i = 0; i < count; i++)
	{
		items[i].m_subitems.add_item(m_fields[base + i].m_name_friendly);
		items[i].m_subitems.add_item(m_fields[base + i].m_name);
	}
}

	void get_insert_items(t_size base, t_size count, pfc::list_t<t_list_view::t_item_insert> & items)
	{
		t_size i;
		items.set_count(count);
		for (i=0; i<count; i++)
		{
			items[i].m_subitems.add_item(filter_panel::cfg_field_list[base+i].m_name);
			items[i].m_subitems.add_item(filter_panel::cfg_field_list[base+i].m_field);
		}
	}

void enum_mobile_devices(pfc::list_t<device_instance_info_t> & p_out)
{
	HDEVINFO di = SetupDiGetClassDevs(&InterfaceClassGuid, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE);

	if (di != INVALID_HANDLE_VALUE)
	{
		SP_DEVINFO_DATA did;
		memset(&did, 0, sizeof(did));
		did.cbSize = sizeof(did);

		DWORD i;
		for (i=0; SetupDiEnumDeviceInfo(di, i, &did); i++)
		{
			//if (did.ClassGuid == GUID_DEVCLASS_USB)
			{
				ULONG DevDiskLen=0;
				pfc::array_t<WCHAR> DevDisk;
				if (CR_SUCCESS == CM_Get_Device_ID_Size(&DevDiskLen, did.DevInst, NULL))
				{
					DevDisk.set_size(DevDiskLen+1);
					DevDisk.fill_null();
					if (CR_SUCCESS == CM_Get_Device_ID(did.DevInst, DevDisk.get_ptr(), DevDisk.get_size(), NULL))
					{
						if (g_check_devid_is_mobile_device(DevDisk.get_ptr()))
						{
							device_instance_info_t temp;
							temp.m_handle = did.DevInst;
							temp.m_path = DevDisk.get_ptr();
							p_out.add_item(temp);

							console::formatter() << "iPod manager: USB AMD enumerator: Found " << Tu(DevDisk.get_ptr());
						}
					}
				}
			}
		}

		SetupDiDestroyDeviceInfoList(di);
	}
	if (!p_out.get_count())
		console::formatter() << "iPod manager: USB AMD enumerator: No devices found!";
}

FileTagMap::FileTagMap(Release &release, pfc::list_t<metadb_handle_ptr> tracks, size_t selected_medium) {
	auto current_medium = 0;
	auto current_track = 0;
	if (tracks.get_count() < release.track_count()) {
		current_medium = selected_medium;
	}
	for (unsigned int i = 0; i < tracks.get_count(); i++) {
		auto &medium = *release.get_medium(current_medium);
		auto &track = *medium.get_track(current_track);

		set(tracks[i], Tag(release, medium, track));

		if (++current_track < medium.track_count()) continue;
		if (++current_medium < release.medium_count()) {
			current_track = 0;
			continue;
		}
		return;
	}
}

void playlist_switcher_t::get_insert_items (t_size base, t_size count, pfc::list_t<t_list_view::t_item_insert> & p_out)
	{
		p_out.set_count(count);

		t_size i;
		for (i=0;i<count; i++)
		{
			p_out[i].m_subitems.set_count(1);
			pfc::string8 temp;
			m_playlist_api->playlist_get_name(i+base, temp);
			p_out[i].m_subitems[0].set_string( playlist_format_name_t(i+base, temp, get_playing_playlist()) );
		}
	}

LRESULT menu_extension::on_message(HWND wnd,UINT msg,WPARAM wp,LPARAM lp)
{
	switch (msg) 
	{
		case WM_CREATE:
		{
			initialised = true;

			mainmenu_root_group::g_get_root_items(m_buttons);
			t_size button_count = m_buttons.get_count();

			pfc::array_t<TBBUTTON> tbb;
			tbb.set_size(button_count);
			memset(tbb.get_ptr(), 0, tbb.get_size() * sizeof(TBBUTTON));

			wnd_menu = CreateWindowEx(/*TBSTYLE_EX_MIXEDBUTTONS|*/WS_EX_TOOLWINDOW, TOOLBARCLASSNAME, NULL,
				WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | TBSTYLE_FLAT | TBSTYLE_TRANSPARENT | TBSTYLE_LIST | CCS_NORESIZE | CCS_NOPARENTALIGN | CCS_NODIVIDER,
				0, 0, 0, 25, wnd, (HMENU)ID_MENU, core_api::get_my_instance(), NULL);

			if (wnd_menu)
			{
				SetWindowLongPtr(wnd_menu, GWLP_USERDATA, (LPARAM)(this));

				SendMessage(wnd_menu, TB_SETBITMAPSIZE, (WPARAM)0, MAKELONG(0, 0));
				SendMessage(wnd_menu, TB_SETBUTTONSIZE, (WPARAM)0, MAKELONG(0,/*GetSystemMetrics(SM_CYMENUSIZE)*/0));

				SendMessage(wnd_menu, TB_BUTTONSTRUCTSIZE, (WPARAM) sizeof(TBBUTTON), 0);

				unsigned n, count = tbb.get_size();
				for (n = 0; n < count; n++)
				{
					tbb[n].iBitmap = I_IMAGECALLBACK;
					tbb[n].idCommand = n + 1;
					tbb[n].fsState = TBSTATE_ENABLED;
					tbb[n].fsStyle = BTNS_DROPDOWN | BTNS_AUTOSIZE;
					tbb[n].dwData = 0;
					tbb[n].iString = (int)m_buttons[n].m_name_with_accelerators.get_ptr();
				}

				SendMessage(wnd_menu, TB_ADDBUTTONS, (WPARAM)tbb.get_size(), (LPARAM)(LPTBBUTTON)tbb.get_ptr());

				//			SendMessage(wnd_menu, TB_SETEXTENDEDSTYLE, 0, TBSTYLE_EX_MIXEDBUTTONS);

				//			SendMessage(wnd_menu, TB_AUTOSIZE, 0, 0); 

							//if (is_win2k_or_newer())
				{
					BOOL a = true;
					SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &a, 0);
					SendMessage(wnd_menu, WM_UPDATEUISTATE, MAKEWPARAM(a ? UIS_CLEAR : UIS_SET, UISF_HIDEACCEL), 0);
				}

				//			SendMessage(wnd_menu, TB_SETPARENT, (WPARAM) (HWND)wnd_host, 0);
				menuproc = (WNDPROC)SetWindowLongPtr(wnd_menu, GWLP_WNDPROC, (LPARAM)main_hook);
			}


			break;
		}
		case WM_WINDOWPOSCHANGED:
		{
			LPWINDOWPOS lpwp = (LPWINDOWPOS)lp;
			if (!(lpwp->flags & SWP_NOSIZE))
			{
				//SIZE sz = {0,0};
				//SendMessage(wnd_menu, TB_GETMAXSIZE, NULL, (LPARAM)&sz);

				RECT rc = { 0,0,0,0 };
				t_size count = m_buttons.get_count();
				int cx = lpwp->cx;
				int cy = lpwp->cy;
				int extra = 0;
				if (count && (BOOL)SendMessage(wnd_menu, TB_GETITEMRECT, count - 1, (LPARAM)(&rc)))
				{
					cx = min(cx, rc.right);
					cy = min(cy, rc.bottom);
					extra = (lpwp->cy - rc.bottom) / 2;
				}
				SetWindowPos(wnd_menu, 0, 0, extra, cx, cy, SWP_NOZORDER);
				RedrawWindow(wnd, 0, 0, RDW_ERASE | RDW_INVALIDATE);
			}
			break;
		}

		case WM_NOTIFY:
		{
			if (((LPNMHDR)lp)->idFrom == ID_MENU) {
				switch (((LPNMHDR)lp)->code)
				{
				case TBN_HOTITEMCHANGE:
				{
					if (!(((LPNMTBHOTITEM)lp)->dwFlags & HICF_LEAVING) && (((LPNMTBHOTITEM)lp)->dwFlags & HICF_MOUSE || ((LPNMTBHOTITEM)lp)->dwFlags & HICF_LMOUSE))
						redrop = true;
					break;
				}
				case TBN_DROPDOWN:
				{
					if (redrop)
						PostMessage(wnd, MSG_CREATE_MENU, ((LPNMTOOLBAR)lp)->iItem, 0);
					else
//.........这里部分代码省略.........

	virtual void on_init(HWND p_wnd) {
		static_api_ptr_t<playlist_manager> pm;
		active_playlist = pm->get_active_playlist();
		pm->activeplaylist_get_all_items(all_items);
		pm->activeplaylist_get_selected_items(selected_items);
		playlist_length = all_items.get_count();
		first_pos = all_items.find_item(selected_items[0]);
		select_mask = bit_array_bittable(playlist_length);
		pm->activeplaylist_get_selection_mask(select_mask);
	}

		void add_value (const char * p_value)
		{
			t_size index;
			if (!m_values.bsearch_t(stricmp_utf8, p_value, index))
			{
				if (m_values.get_count() < max_values)
					m_values.insert_item(p_value, index);
				else
					m_truncated = true;
			}
		}

	void g_populate_tree ( HWND wnd_tree, cui::fcl::group_list & list, const cui::fcl::group_list_filtered & filtered, HTREEITEM ti_parent = TVI_ROOT)
	{
		t_size i, count = filtered.get_count();
		for (i=0; i<count; i++)
		{
			pfc::string8 name;
			filtered[i]->get_name(name);
			HTREEITEM item = treeview::insert_item(wnd_tree, name, m_nodes.get_count() , ti_parent);
			m_nodes.add_item(t_node(item, filtered[i]));
			TreeView_SetCheckState(wnd_tree, item, TRUE);
			cui::fcl::group_list_filtered filtered2(list, filtered[i]->get_guid());
			list.remove_by_guid(filtered[i]->get_guid());
			g_populate_tree(wnd_tree, list, filtered2, item);
		}
	}

	bool have_node_checked (const GUID & pguid)
	{
		t_size i, count = m_nodes.get_count();
		for (i=0; i<count; i++)
		{
			if (m_nodes[i].group->get_guid() == pguid)
				return m_nodes[i].checked;
		}
		return false;
	}

bool directory_callback_full_impl::on_entry(filesystem * owner, abort_callback & p_abort, const char * url, bool is_subdirectory, const t_filestats & p_stats)
{
	p_abort.check_e();
	m_data.add_item(pfc::rcnew_t<t_entry>(url, is_subdirectory, p_stats));
	if (is_subdirectory)
	{
		if (m_recur)
		{
			try
			{
				owner->list_directory(url, *this, p_abort);
			}
			catch (exception_io const &) {}
		}
	}
	return true;
}

//public:
   unsigned get_num_items()
   {
      //return 1;
      // see if we already cached all this jazz
      if ( g_mm_names.get_count() > 0 )
      {
         return g_mm_names.get_count();
      }

      unsigned total = 0;
	   service_enum_t<mainmenu_commands> e;
	   service_ptr_t<mainmenu_commands> ptr;

      g_mm_names.remove_all();
      g_mm_guids.remove_all();
      while(e.next(ptr)) 
      {
		   unsigned count = ptr->get_command_count();

         for ( unsigned n = 0; n < count; n++ )
         {
            pfc::string8 path;
            pfc::string8 name;
            GUID guid;

            t_uint32 p_flags;
            pfc::string8 str_display;

            ptr->get_display( n, str_display, p_flags );

            ptr->get_name( n, name );
            guid = ptr->get_command( n );
            find_menu_path( ptr->get_parent(), path );
            
            g_mm_names.add_item( name );
            g_mm_guids.add_item( guid );
            g_mm_paths.add_item( path );
         }

         total += count;
      }
      return total;
   }