// Click handler for all edit menus. Determine the focused window
// and framework control, then call a method to take the appropriate
// action, based on the type of the control.
private void Menu_Click(object sender, System.EventArgs e)
{
MenuItem miClicked = sender as MenuItem;
IntPtr hFocus = Win32API.GetFocus();
Control ctlFocus = Win32API.GetFrameworkControl(hFocus);
MenuIndex menuIndex = (MenuIndex)miClicked.Index;
if (ctlFocus is TextBoxBase)
{
DoTextBoxCommand((TextBoxBase)ctlFocus, menuIndex);
}
else if (ctlFocus is ComboBox && ((ComboBox)ctlFocus).DropDownStyle == ComboBoxStyle.DropDown)
{
DoComboBoxCommand(hFocus, (ComboBox)ctlFocus, menuIndex);
}
else
{
ISupportsEdit ctlEdit = GetISupportsEditControl(ctlFocus);
if (ctlEdit != null)
{
DoISupportsEditCommand(ctlEdit, menuIndex);
}
}
}
// Click handler for all edit menus. Determine the focused window
// and framework control, then call a method to take the appropriate
// action, based on the type of the control.
private void Menu_Click(object sender, System.EventArgs e)
{
ToolStripMenuItem miClicked = sender as ToolStripMenuItem;
IntPtr hFocus = Win32API.GetFocus();
Control ctlFocus = Win32API.GetFrameworkControl(hFocus);
MenuIndex menuIndex = (MenuIndex)miClicked.Tag;
if (ctlFocus is TextBoxBase)
{
DoTextBoxCommand((TextBoxBase)ctlFocus, menuIndex);
}
else if (ctlFocus is ComboBox && ((ComboBox)ctlFocus).DropDownStyle == ComboBoxStyle.DropDown)
{
DoComboBoxCommand(hFocus, (ComboBox)ctlFocus, menuIndex);
}
else if (ctlFocus is System.Windows.Forms.DataGridView)
{
DoDataGridViewCommand((System.Windows.Forms.DataGridView)ctlFocus, menuIndex);
}
else if (ctlFocus is ICSharpCode.TextEditor.TextArea)
{
DoICSharpCodeTextEditorCommand(ctlFocus as ICSharpCode.TextEditor.TextArea, menuIndex);
}
else
{
ISupportsEdit ctlEdit = GetISupportsEditControl(ctlFocus);
if (ctlEdit != null)
{
DoISupportsEditCommand(ctlEdit, menuIndex);
}
}
}
// When the user clicks on the Edit menu, determine the focused control,
// call a method to get state flags, then setup the edit menu based
// on the flags.
//private void Edit_Popup(object sender, System.EventArgs e)
void m_miEdit_DropDownOpening(object sender, EventArgs e)
{
IntPtr hFocus = Win32API.GetFocus();
Control ctlFocus = Win32API.GetFrameworkControl(hFocus);
EditState eEditState = EditState.None;
if (ctlFocus is TextBoxBase)
{
eEditState = GetTextBoxEditState((TextBoxBase)ctlFocus);
}
else if (ctlFocus is ComboBox && ((ComboBox)ctlFocus).DropDownStyle == ComboBoxStyle.DropDown)
{
eEditState = GetComboBoxEditState(hFocus, (ComboBox)ctlFocus);
}
else if (ctlFocus is System.Windows.Forms.DataGridView)
{
eEditState = GetDataGridViewEditState((System.Windows.Forms.DataGridView)ctlFocus);
}
else if (ctlFocus is ICSharpCode.TextEditor.TextArea)
{
eEditState = GetICSharpCodeTextEditor(ctlFocus as ICSharpCode.TextEditor.TextArea);
}
else
{
// If this is not a simple control, search up the parent chain for
// a custom editable control.
ISupportsEdit ctlEdit = GetISupportsEditControl(ctlFocus);
if (ctlEdit != null)
{
eEditState = GetISupportsEditState(ctlEdit);
}
}
//if (GetEditState != null)
//{
// eEditState = GetEditState(ctlFocus, EventArgs.Empty);
//}
// Show or hide and enable or disable menu controls according to eEditState.
m_miUndo.Visible = (eEditState & EditState.UndoVisible) != 0;
m_miRedo.Visible = (eEditState & EditState.RedoVisible) != 0;
m_miDividerRedoCut.Visible = (m_miUndo.Visible == true || m_miRedo.Visible == true);
m_miUndo.Enabled = (eEditState & EditState.UndoEnabled) != 0;
m_miRedo.Enabled = (eEditState & EditState.RedoEnabled) != 0;
m_miCut.Enabled = (eEditState & EditState.CutEnabled) != 0;
m_miCopy.Enabled = (eEditState & EditState.CopyEnabled) != 0;
m_miPaste.Enabled = (eEditState & EditState.PasteEnabled) != 0;
m_miDelete.Enabled = (eEditState & EditState.DeleteEnabled) != 0;
m_miSelectAll.Enabled = (eEditState & EditState.SelectAllEnabled) != 0;
m_miProperties.Enabled = (eEditState & EditState.PropertiesEnabled) != 0;
}
// Set EditState flags for ISupportsEdit controls.
private EditState GetISupportsEditState(ISupportsEdit control)
{
EditState eState = EditState.None;
if (control.UndoVisible)
{
eState |= EditState.UndoVisible;
}
if (control.CanUndo)
{
eState |= EditState.UndoEnabled;
}
if (control.RedoVisible)
{
eState |= EditState.RedoVisible;
}
if (control.CanRedo)
{
eState |= EditState.RedoEnabled;
}
if (control.CanCut)
{
eState |= EditState.CutEnabled;
}
if (control.CanCopy)
{
eState |= EditState.CopyEnabled;
}
if (control.CanPaste)
{
eState |= EditState.PasteEnabled;
}
if (control.CanSelectAll)
{
eState |= EditState.SelectAllEnabled;
}
if (control.CanDelete)
{
eState |= EditState.DeleteEnabled;
}
if (control.CanShowProperties)
{
eState |= EditState.PropertiesEnabled;
}
return(eState);
}
// Perform the command associated with MenuIndex on the specified ISupportsEdit control.
private void DoISupportsEditCommand(ISupportsEdit control, MenuIndex menuIndex)
{
switch (menuIndex)
{
case MenuIndex.Undo: control.Undo(); break;
case MenuIndex.Redo: control.Redo(); break;
case MenuIndex.Cut: control.Cut(); break;
case MenuIndex.Copy: control.Copy(); break;
case MenuIndex.Paste: control.Paste(); break;
case MenuIndex.SelectAll: control.SelectAll(); break;
case MenuIndex.Delete: control.Delete(); break;
case MenuIndex.Properties: control.ShowProperties(); break;
}
}
// When the user clicks on the Edit menu, determine the focused control,
// call a method to get state flags, then setup the edit menu based
// on the flags.
private void Edit_Popup(object sender, System.EventArgs e)
{
IntPtr hFocus = Win32API.GetFocus();
Control ctlFocus = Win32API.GetFrameworkControl(hFocus);
EditState eEditState = EditState.None;
if (ctlFocus is TextBoxBase)
{
eEditState = GetTextBoxEditState((TextBoxBase)ctlFocus);
}
else if (ctlFocus is ComboBox && ((ComboBox)ctlFocus).DropDownStyle == ComboBoxStyle.DropDown)
{
eEditState = GetComboBoxEditState(hFocus, (ComboBox)ctlFocus);
}
else
{
// If this is not a simple control, search up the parent chain for
// a custom editable control.
ISupportsEdit ctlEdit = GetISupportsEditControl(ctlFocus);
if (ctlEdit != null)
{
eEditState = GetISupportsEditState(ctlEdit);
}
}
// Show or hide and enable or disable menu controls according to eEditState.
m_miUndo.Visible = (eEditState & EditState.UndoVisible) != 0;
m_miRedo.Visible = (eEditState & EditState.RedoVisible) != 0;
m_miDividerRedoCut.Visible = (m_miUndo.Visible == true || m_miRedo.Visible == true);
m_miUndo.Enabled = (eEditState & EditState.UndoEnabled) != 0;
m_miRedo.Enabled = (eEditState & EditState.RedoEnabled) != 0;
m_miCut.Enabled = (eEditState & EditState.CutEnabled) != 0;
m_miCopy.Enabled = (eEditState & EditState.CopyEnabled) != 0;
m_miPaste.Enabled = (eEditState & EditState.PasteEnabled) != 0;
m_miDelete.Enabled = (eEditState & EditState.DeleteEnabled) != 0;
m_miSelectAll.Enabled = (eEditState & EditState.SelectAllEnabled) != 0;
//m_miProperties.Enabled = (eEditState & EditState.PropertiesEnabled) != 0;
}
