/// <summary>
/// This method receives WindowMessages. It will make the "Open With" and "Send To" work
/// by calling HandleMenuMsg and HandleMenuMsg2.
/// </summary>
/// <param name="m">the Message of the Browser's WndProc</param>
/// <returns>true if the message has been handled, false otherwise</returns>
protected override void WndProc(ref Message m)
{
if (iContextMenu != null &&
m.Msg == (int)NativeMethods.WM.MENUSELECT &&
((int)ShellFolders.HiWord(m.WParam) & (int)ShellFolders.MFT.SEPARATOR) == 0 &&
((int)ShellFolders.HiWord(m.WParam) & (int)ShellFolders.MFT.POPUP) == 0)
{
string info = string.Empty;
info = ShellFolders.GetCommandString(
iContextMenu,
(uint)ShellFolders.LoWord(m.WParam) - ShellFolders.CMD_FIRST,
false);
}
if (iContextMenu2 != null &&
(m.Msg == (int)NativeMethods.WM.INITMENUPOPUP ||
m.Msg == (int)NativeMethods.WM.MEASUREITEM ||
m.Msg == (int)NativeMethods.WM.DRAWITEM))
{
if (iContextMenu2.HandleMenuMsg(
(uint)m.Msg, m.WParam, m.LParam) == ShellFolders.S_OK)
{
return;
}
}
if (newContextMenu2 != null &&
((m.Msg == (int)NativeMethods.WM.INITMENUPOPUP && m.WParam == newSubmenuPtr) ||
m.Msg == (int)NativeMethods.WM.MEASUREITEM ||
m.Msg == (int)NativeMethods.WM.DRAWITEM))
{
if (newContextMenu2.HandleMenuMsg(
(uint)m.Msg, m.WParam, m.LParam) == ShellFolders.S_OK)
{
return;
}
}
if (iContextMenu3 != null &&
m.Msg == (int)NativeMethods.WM.MENUCHAR)
{
if (iContextMenu3.HandleMenuMsg2(
(uint)m.Msg, m.WParam, m.LParam, IntPtr.Zero) == ShellFolders.S_OK)
{
return;
}
}
if (newContextMenu3 != null &&
m.Msg == (int)NativeMethods.WM.MENUCHAR)
{
if (newContextMenu3.HandleMenuMsg2(
(uint)m.Msg, m.WParam, m.LParam, IntPtr.Zero) == ShellFolders.S_OK)
{
return;
}
}
base.WndProc(ref m);
}
private uint prependItems(IntPtr contextMenu, bool allFolders, bool allInStacks)
{
// add items to the top of the context menu here
uint numPrepended = 0;
// add open in new window option to files that are folders if dynamic desktop is enabled
if (allFolders && Settings.EnableDynamicDesktop)
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.OpenInNewWindow, Localization.DisplayString.sStacks_OpenInNewWindow);
numPrepended++;
}
// add stacks options for files that are folders
if (allFolders)
{
if (!allInStacks)
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.AddToStacks, Localization.DisplayString.sInterface_AddToStacks);
}
else
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.RemoveFromStacks, Localization.DisplayString.sInterface_RemoveFromStacks);
}
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.SEPARATOR, 1, string.Empty);
numPrepended += 2;
}
return(numPrepended);
}
private IntPtr pathToFullPidl(string path)
{
IntPtr pidl = ShellFolders.ILCreateFromPath(path);
if (pidl == IntPtr.Zero)
{
CairoLogger.Instance.Debug("Unable to get pidl for " + path);
}
return(pidl);
}
private bool GetNewContextMenu(out IntPtr iContextMenuPtr, out IContextMenu iContextMenu)
{
if (ShellFolders.CoCreateInstance(
ref ShellFolders.CLSID_NewMenu,
IntPtr.Zero,
ShellFolders.CLSCTX.INPROC_SERVER,
ref ShellFolders.IID_IContextMenu,
out iContextMenuPtr) == ShellFolders.S_OK)
{
iContextMenu = Marshal.GetTypedObjectForIUnknown(iContextMenuPtr, typeof(IContextMenu)) as IContextMenu;
IntPtr iShellExtInitPtr;
if (Marshal.QueryInterface(
iContextMenuPtr,
ref ShellFolders.IID_IShellExtInit,
out iShellExtInitPtr) == ShellFolders.S_OK)
{
IShellExtInit iShellExtInit = Marshal.GetTypedObjectForIUnknown(
iShellExtInitPtr, typeof(IShellExtInit)) as IShellExtInit;
iShellExtInit.Initialize(folderPidl, IntPtr.Zero, 0);
Marshal.ReleaseComObject(iShellExtInit);
Marshal.Release(iShellExtInitPtr);
return(true);
}
else
{
if (iContextMenu != null)
{
Marshal.ReleaseComObject(iContextMenu);
iContextMenu = null;
}
if (iContextMenuPtr != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr);
iContextMenuPtr = IntPtr.Zero;
}
return(false);
}
}
else
{
iContextMenuPtr = IntPtr.Zero;
iContextMenu = null;
return(false);
}
}
private IShellFolder getParentShellFolder(string path)
{
IntPtr parentPidl = pathToFullPidl(parent);
IntPtr desktopFolderPtr;
ShellFolders.SHGetDesktopFolder(out desktopFolderPtr);
IShellFolder desktop = (IShellFolder)Marshal.GetTypedObjectForIUnknown(desktopFolderPtr, typeof(IShellFolder));
IntPtr parentPtr;
if (desktop.BindToObject(parentPidl, IntPtr.Zero, ref ShellFolders.IID_IShellFolder, out parentPtr) == ShellFolders.S_OK)
{
Marshal.FinalReleaseComObject(desktop);
return((IShellFolder)Marshal.GetTypedObjectForIUnknown(parentPtr, typeof(IShellFolder)));
}
else
{
CairoLogger.Instance.Debug("Unable to bind IShellFolder");
return(null);
}
}
private void ShowFolderMenu()
{
IntPtr contextMenu = IntPtr.Zero, viewSubMenu = IntPtr.Zero;
IntPtr newContextMenuPtr = IntPtr.Zero, newContextMenuPtr2 = IntPtr.Zero, newContextMenuPtr3 = IntPtr.Zero;
newSubmenuPtr = IntPtr.Zero;
try
{
contextMenu = ShellFolders.CreatePopupMenu();
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.OpenInNewWindow, Localization.DisplayString.sStacks_OpenInNewWindow);
if (!StacksManager.StackLocations.Contains(directory))
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.AddToStacks, Localization.DisplayString.sInterface_AddToStacks);
}
else
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.RemoveFromStacks, Localization.DisplayString.sInterface_RemoveFromStacks);
}
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.SEPARATOR, 1, string.Empty);
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.Paste, Localization.DisplayString.sInterface_Paste);
if (GetNewContextMenu(out newContextMenuPtr, out newContextMenu))
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.SEPARATOR, 1, string.Empty);
newContextMenu.QueryContextMenu(
contextMenu,
5,
ShellFolders.CMD_FIRST,
ShellFolders.CMD_LAST,
ShellFolders.CMF.NORMAL);
newSubmenuPtr = ShellFolders.GetSubMenu(contextMenu, 5);
Marshal.QueryInterface(newContextMenuPtr, ref ShellFolders.IID_IContextMenu2, out newContextMenuPtr2);
Marshal.QueryInterface(newContextMenuPtr, ref ShellFolders.IID_IContextMenu3, out newContextMenuPtr3);
try
{
newContextMenu2 =
(IContextMenu2)Marshal.GetTypedObjectForIUnknown(newContextMenuPtr2, typeof(IContextMenu2));
newContextMenu3 =
(IContextMenu3)Marshal.GetTypedObjectForIUnknown(newContextMenuPtr3, typeof(IContextMenu3));
}
catch (Exception) { }
}
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.SEPARATOR, 0, string.Empty);
ShellFolders.AppendMenu(contextMenu, 0, (int)CairoContextMenuItem.Properties, Localization.DisplayString.sInterface_Properties);
CairoContextMenuItem selected = (CairoContextMenuItem)ShellFolders.TrackPopupMenuEx(
contextMenu,
ShellFolders.TPM.RETURNCMD,
this.x,
this.y,
this.Handle,
IntPtr.Zero);
if ((int)selected >= ShellFolders.CMD_FIRST)
{
string command = "";
switch (selected)
{
case CairoContextMenuItem.OpenInNewWindow:
command = "openWithShell";
break;
case CairoContextMenuItem.AddToStacks:
command = "addStack";
break;
case CairoContextMenuItem.RemoveFromStacks:
command = "removeStack";
break;
case CairoContextMenuItem.Properties:
command = "properties";
ShellFolders.InvokeCommand(
folder,
parentShellFolder,
new IntPtr[] { folderPidl },
command,
new Point(this.x, this.y));
break;
case CairoContextMenuItem.Paste:
command = "paste";
ShellFolders.InvokeCommand(
folder,
parentShellFolder,
new IntPtr[] { folderPidl },
command,
new Point(this.x, this.y));
break;
default:
if ((uint)selected <= ShellFolders.CMD_LAST)
{
ShellFolders.InvokeCommand(
newContextMenu,
(uint)selected - ShellFolders.CMD_FIRST,
this.folder,
new Point(this.x, this.y));
}
break;
}
if (this.folderItemSelected != null)
{
folderItemSelected(command, folder);
}
}
}
catch (Exception) { }
finally
{
if (newContextMenu != null)
{
Marshal.FinalReleaseComObject(newContextMenu);
newContextMenu = null;
}
if (newContextMenu2 != null)
{
Marshal.FinalReleaseComObject(newContextMenu2);
newContextMenu2 = null;
}
if (newContextMenu3 != null)
{
Marshal.FinalReleaseComObject(newContextMenu3);
newContextMenu3 = null;
}
if (contextMenu != null)
{
ShellFolders.DestroyMenu(contextMenu);
}
if (viewSubMenu != null)
{
ShellFolders.DestroyMenu(viewSubMenu);
}
if (newContextMenuPtr != IntPtr.Zero)
{
Marshal.Release(newContextMenuPtr);
}
if (newContextMenuPtr2 != IntPtr.Zero)
{
Marshal.Release(newContextMenuPtr2);
}
if (newContextMenuPtr3 != IntPtr.Zero)
{
Marshal.Release(newContextMenuPtr3);
}
newSubmenuPtr = IntPtr.Zero;
Marshal.FreeCoTaskMem(folderPidl);
Marshal.FreeCoTaskMem(folderRelPidl);
folderPidl = IntPtr.Zero;
folderRelPidl = IntPtr.Zero;
}
}
public void ShowContextMenu()
{
IntPtr contextMenu = IntPtr.Zero,
iContextMenuPtr = IntPtr.Zero,
iContextMenuPtr2 = IntPtr.Zero,
iContextMenuPtr3 = IntPtr.Zero;
try
{
if (ShellFolders.GetIContextMenu(parentShellFolder, pidls, out iContextMenuPtr, out iContextMenu))
{
// get some properties about our file(s)
bool allFolders = true;
bool allInStacks = true;
foreach (SystemFile file in paths)
{
if (!file.IsDirectory)
{
allFolders = false;
}
else
{
bool contains = false;
foreach (SystemDirectory dir in StacksManager.StackLocations)
{
if (dir.Equals(file.FullName))
{
contains = true;
break;
}
}
if (!contains)
{
allInStacks = false;
}
}
}
contextMenu = ShellFolders.CreatePopupMenu();
uint numPrepended = prependItems(contextMenu, allFolders, allInStacks);
iContextMenu.QueryContextMenu(
contextMenu,
numPrepended,
ShellFolders.CMD_FIRST,
ShellFolders.CMD_LAST,
ShellFolders.CMF.EXPLORE |
ShellFolders.CMF.CANRENAME |
((Control.ModifierKeys & Keys.Shift) != 0 ? ShellFolders.CMF.EXTENDEDVERBS : 0));
appendItems(contextMenu, allFolders, allInStacks);
Marshal.QueryInterface(iContextMenuPtr, ref ShellFolders.IID_IContextMenu2, out iContextMenuPtr2);
Marshal.QueryInterface(iContextMenuPtr, ref ShellFolders.IID_IContextMenu3, out iContextMenuPtr3);
try
{
iContextMenu2 =
(IContextMenu2)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr2, typeof(IContextMenu2));
iContextMenu3 =
(IContextMenu3)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr3, typeof(IContextMenu3));
}
catch (Exception) { }
uint selected = ShellFolders.TrackPopupMenuEx(
contextMenu,
ShellFolders.TPM.RETURNCMD,
this.x,
this.y,
this.Handle,
IntPtr.Zero);
if (selected >= ShellFolders.CMD_FIRST)
{
string command = ShellFolders.GetCommandString(iContextMenu, selected - ShellFolders.CMD_FIRST, true);
// set action strings for us to use in our custom execution function
switch ((CairoContextMenuItem)selected)
{
case CairoContextMenuItem.AddToStacks:
command = "addStack";
break;
case CairoContextMenuItem.RemoveFromStacks:
command = "removeStack";
break;
case CairoContextMenuItem.OpenInNewWindow:
command = "openWithShell";
break;
default:
if (command == "open" && allFolders)
{
// suppress running system code
command = "openFolder";
}
else
{
ShellFolders.InvokeCommand(
iContextMenu,
selected - ShellFolders.CMD_FIRST,
parent,
new Point(this.x, this.y));
}
break;
}
if (this.itemSelected != null)
{
itemSelected(command, paths[0].FullName, sender);
}
}
}
else
{
CairoLogger.Instance.Debug("Error retrieving IContextMenu");
}
}
catch (Exception) { }
finally
{
if (iContextMenu != null)
{
Marshal.FinalReleaseComObject(iContextMenu);
iContextMenu = null;
}
if (iContextMenu2 != null)
{
Marshal.FinalReleaseComObject(iContextMenu2);
iContextMenu2 = null;
}
if (iContextMenu3 != null)
{
Marshal.FinalReleaseComObject(iContextMenu3);
iContextMenu3 = null;
}
if (parentShellFolder != null)
{
Marshal.FinalReleaseComObject(parentShellFolder);
parentShellFolder = null;
}
if (contextMenu != null)
{
ShellFolders.DestroyMenu(contextMenu);
}
if (iContextMenuPtr != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr);
}
if (iContextMenuPtr2 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr2);
}
if (iContextMenuPtr3 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr3);
}
for (int i = 0; i < pidls.Length; i++)
{
Marshal.FreeCoTaskMem(pidls[i]);
pidls[i] = IntPtr.Zero;
}
}
}
public void ShowContextMenu()
{
IntPtr contextMenu = IntPtr.Zero,
iContextMenuPtr = IntPtr.Zero,
iContextMenuPtr2 = IntPtr.Zero,
iContextMenuPtr3 = IntPtr.Zero;
try
{
if (ShellFolders.GetIContextMenu(parentShellFolder, pidls, out iContextMenuPtr, out iContextMenu))
{
contextMenu = ShellFolders.CreatePopupMenu();
iContextMenu.QueryContextMenu(
contextMenu,
0,
ShellFolders.CMD_FIRST,
ShellFolders.CMD_LAST,
ShellFolders.CMF.EXPLORE |
ShellFolders.CMF.CANRENAME |
((Control.ModifierKeys & Keys.Shift) != 0 ? ShellFolders.CMF.EXTENDEDVERBS : 0));
// add to stacks option for folders
if (Interop.Shell.Exists(paths[0]) && (File.GetAttributes(this.paths[0]) & FileAttributes.Directory) == FileAttributes.Directory)
{
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.SEPARATOR, 1, string.Empty);
ShellFolders.AppendMenu(contextMenu, ShellFolders.MFT.BYCOMMAND, (int)CairoContextMenuItem.AddToStacks, Localization.DisplayString.sInterface_AddToStacks);
}
Marshal.QueryInterface(iContextMenuPtr, ref ShellFolders.IID_IContextMenu2, out iContextMenuPtr2);
Marshal.QueryInterface(iContextMenuPtr, ref ShellFolders.IID_IContextMenu3, out iContextMenuPtr3);
try
{
iContextMenu2 =
(IContextMenu2)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr2, typeof(IContextMenu2));
iContextMenu3 =
(IContextMenu3)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr3, typeof(IContextMenu3));
}
catch (Exception) { }
uint selected = ShellFolders.TrackPopupMenuEx(
contextMenu,
ShellFolders.TPM.RETURNCMD,
this.x,
this.y,
this.Handle,
IntPtr.Zero);
if (selected >= ShellFolders.CMD_FIRST)
{
string command = ShellFolders.GetCommandString(iContextMenu, selected - ShellFolders.CMD_FIRST, true);
if ((CairoContextMenuItem)selected == CairoContextMenuItem.AddToStacks)
{
command = "addStack";
}
else
{
ShellFolders.InvokeCommand(
iContextMenu,
selected - ShellFolders.CMD_FIRST,
parent,
new Point(this.x, this.y));
}
if (this.itemSelected != null)
{
itemSelected(command, paths[0], sender);
}
}
}
else
{
CairoLogger.Instance.Debug("Error retrieving IContextMenu");
}
}
catch (Exception) { }
finally
{
if (iContextMenu != null)
{
Marshal.FinalReleaseComObject(iContextMenu);
iContextMenu = null;
}
if (iContextMenu2 != null)
{
Marshal.FinalReleaseComObject(iContextMenu2);
iContextMenu2 = null;
}
if (iContextMenu3 != null)
{
Marshal.FinalReleaseComObject(iContextMenu3);
iContextMenu3 = null;
}
if (parentShellFolder != null)
{
Marshal.FinalReleaseComObject(parentShellFolder);
parentShellFolder = null;
}
if (contextMenu != null)
{
ShellFolders.DestroyMenu(contextMenu);
}
if (iContextMenuPtr != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr);
}
if (iContextMenuPtr2 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr2);
}
if (iContextMenuPtr3 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr3);
}
for (int i = 0; i < pidls.Length; i++)
{
Marshal.FreeCoTaskMem(pidls[i]);
pidls[i] = IntPtr.Zero;
}
}
}