public CommandBarMenu AddMenu(string text, EventHandler dropDownHandler)
{
CommandBarMenu menu = this.AddMenu(text);
menu.DropDown += dropDownHandler;
return(menu);
}
public CommandBarMenu AddMenu(Image image, string text)
{
CommandBarMenu menu = this.AddMenu(text);
menu.Image = image;
return(menu);
}
public CommandBarMenu AddMenu(string text)
{
CommandBarMenu menu = new CommandBarMenu(text);
this.Add(menu);
return(menu);
}
// TODO
internal CommandBarItem[] this[Keys shortcut]
{
get
{
ArrayList list = new ArrayList();
foreach (CommandBarItem item in items)
{
CommandBarButtonBase buttonBase = item as CommandBarButtonBase;
if (buttonBase != null)
{
if ((buttonBase.Shortcut == shortcut) && (buttonBase.IsEnabled) && (buttonBase.IsVisible))
{
list.Add(buttonBase);
}
}
}
foreach (CommandBarItem item in items)
{
CommandBarMenu menu = item as CommandBarMenu;
if (menu != null)
{
list.AddRange(menu.Items[shortcut]);
}
}
CommandBarItem[] array = new CommandBarItem[list.Count];
list.CopyTo(array, 0);
return(array);
}
}
protected override void OnPopup(EventArgs e)
{
CommandBarMenu menu = this.item as CommandBarMenu;
if (menu != null)
{
menu.PerformDropDown(EventArgs.Empty);
}
base.OnPopup(e);
this.UpdateItems();
}
private void UpdateItems()
{
this.OwnerDraw = true;
CommandBarSeparator separator = this.item as CommandBarSeparator;
if (separator != null)
{
this.Text = "-";
}
else
{
this.Text = (this.mnemonics) ? this.item.Text : this.item.Text.Replace("&", "");
}
CommandBarMenu menu = this.item as CommandBarMenu;
if (menu != null)
{
this.MenuItems.Clear();
Size imageSize = GetImageSize(menu.Items);
int visibleItemCount = 0;
foreach (CommandBarItem item in menu.Items)
{
this.MenuItems.Add(new MenuBarItem(item, imageSize, font, mnemonics));
visibleItemCount += (item.IsVisible) ? 1 : 0;
}
this.Enabled = (visibleItemCount == 0) ? false : this.item.IsEnabled;
}
else
{
this.Enabled = this.item.IsEnabled;
}
this.Visible = this.item.IsVisible;
}
private NativeMethods.TBBUTTONINFO GetButtonInfo(int index)
{
CommandBarItem item = items[index];
NativeMethods.TBBUTTONINFO buttonInfo = new NativeMethods.TBBUTTONINFO();
buttonInfo.cbSize = Marshal.SizeOf(typeof(NativeMethods.TBBUTTONINFO));
buttonInfo.dwMask = NativeMethods.TBIF_IMAGE | NativeMethods.TBIF_STATE | NativeMethods.TBIF_STYLE | NativeMethods.TBIF_COMMAND | NativeMethods.TB_DELETEBUTTON;
buttonInfo.idCommand = index;
buttonInfo.iImage = NativeMethods.I_IMAGECALLBACK;
buttonInfo.fsStyle = NativeMethods.BTNS_BUTTON | NativeMethods.BTNS_AUTOSIZE;
buttonInfo.fsState = 0;
buttonInfo.cx = 0;
buttonInfo.lParam = IntPtr.Zero;
buttonInfo.pszText = IntPtr.Zero;
buttonInfo.cchText = 0;
if (!item.IsVisible)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_HIDDEN;
}
CommandBarComboBox comboBox = item as CommandBarComboBox;
if (comboBox != null)
{
buttonInfo.cx = (short)(comboBox.Width + 4);
buttonInfo.dwMask = NativeMethods.TBIF_SIZE;
}
if (item is CommandBarSeparator)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_SEP;
}
else
{
if (item.IsEnabled)
{
buttonInfo.fsState |= NativeMethods.TBSTATE_ENABLED;
}
CommandBarMenu menu = item as CommandBarMenu;
if ((menu != null) && (menu.Items.Count > 0))
{
buttonInfo.fsStyle |= NativeMethods.BTNS_DROPDOWN;
}
if (style == CommandBarStyle.ToolBar)
{
if (item is CommandBarMenu)
{
buttonInfo.fsStyle |= NativeMethods.BTNS_WHOLEDROPDOWN;
}
}
CommandBarCheckBox checkBox = item as CommandBarCheckBox;
if ((checkBox != null) && (checkBox.IsChecked))
{
buttonInfo.fsState |= NativeMethods.TBSTATE_CHECKED;
}
}
if (item is CommandBarSeparator)
{
buttonInfo.iImage = NativeMethods.I_IMAGENONE;
}
else if (item.Image != null)
{
buttonInfo.iImage = index;
}
if ((this.Style == CommandBarStyle.Menu) && (item.Text != null) && (item.Text.Length != 0))
{
buttonInfo.dwMask |= NativeMethods.TBIF_TEXT;
buttonInfo.pszText = Marshal.StringToHGlobalUni(item.Text + "\0");
buttonInfo.cchText = item.Text.Length;
}
return(buttonInfo);
}
private void TrackDropDown(int index)
{
while (index >= 0)
{
this.trackNextItem = -1;
this.BeginUpdate();
CommandBarMenu menu = this.items[index] as CommandBarMenu;
if (menu != null)
{
menu.PerformDropDown(EventArgs.Empty);
this.contextMenu.Items.Clear();
this.contextMenu.Items.AddRange(menu.Items); // = menu.Items;
this.contextMenu.Mnemonics = true;
}
else
{
this.contextMenu.Items.Clear(); // .Items = new CommandBarItemCollection();
this.contextMenu.Mnemonics = true;
}
// Item state
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_PRESSBUTTON, index, -1);
// Trick to get the first menu item selected
NativeMethods.PostMessage(this.Handle, NativeMethods.WM_KEYDOWN, (int)Keys.Down, 1);
NativeMethods.PostMessage(this.Handle, NativeMethods.WM_KEYUP, (int)Keys.Down, 1);
this.SetState(State.HotTracking, index);
// Hook
NativeMethods.HookProc hookProc = new NativeMethods.HookProc(DropDownHook);
GCHandle hookProcHandle = GCHandle.Alloc(hookProc);
this.hookHandle = NativeMethods.SetWindowsHookEx(NativeMethods.WH_MSGFILTER, hookProc, IntPtr.Zero, NativeMethods.GetCurrentThreadId());
if (this.hookHandle == IntPtr.Zero)
{
throw new SecurityException();
}
// Ask for position
NativeMethods.RECT rect = new NativeMethods.RECT();
NativeMethods.SendMessage(Handle, NativeMethods.TB_GETRECT, index, ref rect);
Point position = new Point(rect.left, rect.bottom);
this.EndUpdate();
this.Update();
this.contextMenu.Show(this, position);
// Unhook
NativeMethods.UnhookWindowsHookEx(hookHandle);
hookProcHandle.Free();
this.hookHandle = IntPtr.Zero;
// Item state
NativeMethods.SendMessage(Handle, NativeMethods.TB_PRESSBUTTON, index, 0);
this.SetState(trackEscapePressed ? State.Hot : State.None, index);
index = trackNextItem;
}
}
