public void InternalOnMouseDown(MouseEventArgs e)
{
HideToolTip();
if(this.HasNavigationBox && m_TabSystemBox.Visible && m_TabSystemBox.DisplayRectangle.Contains(e.X,e.Y))
{
m_TabSystemBox.MouseDown(e);
return;
}
_MouseDownPoint = new Point(e.X, e.Y);
if(e.Button==MouseButtons.Left)
{
Rectangle rSelected=this.GetSelectedTabRectangle();
foreach(TabItem tab in m_Tabs)
{
if((tab.DisplayRectangle.Contains(new Point(e.X,e.Y)) || rSelected.Contains(e.X,e.Y)) && tab.Visible)
{
TabItem newSelected=tab;
if(rSelected.Contains(e.X,e.Y))
newSelected=m_SelectedTab;
if(m_SelectedTab!=newSelected)
{
TabItem oldTab=m_SelectedTab;
if(SelectedTabChanging!=null)
{
TabStripTabChangingEventArgs eventData=new TabStripTabChangingEventArgs(m_SelectedTab,newSelected,eEventSource.Mouse);
SelectedTabChanging(this,eventData);
if(eventData.Cancel)
break;
}
this.InvokeBeforeTabDisplay(newSelected);
if(m_SelectedTab.AttachedItem is DockContainerItem && ((DockContainerItem)m_SelectedTab.AttachedItem).Control!=null && ((DockContainerItem)m_SelectedTab.AttachedItem).Control.Focused)
{
this.Focus();
}
if(m_SelectedTab.AttachedItem!=null)
m_SelectedTab.AttachedItem.Displayed=false;
else if(m_SelectedTab.AttachedControl!=null && !m_MdiTabbedDocuments)
{
//if(!(this.IsDesignMode && m_SelectedTab.AttachedControl is TabControlPanel))
m_SelectedTab.AttachedControl.Visible=false;
}
m_SelectedTab=newSelected;
m_NeedRecalcSize=true;
EnsureVisible(m_SelectedTab);
if(m_SelectedTab.AttachedItem!=null)
{
m_SelectedTab.AttachedItem.Displayed=true;
if(m_SelectedTab.AttachedItem is DockContainerItem && ((DockContainerItem)m_SelectedTab.AttachedItem).Control!=null)
{
if(m_AutoSelectAttachedControl)
((DockContainerItem)m_SelectedTab.AttachedItem).Control.Select();
}
}
else if(m_SelectedTab.AttachedControl!=null)
{
if(!m_MdiTabbedDocuments)
{
//if(!(this.IsDesignMode && m_SelectedTab.AttachedControl is TabControlPanel))
m_SelectedTab.AttachedControl.Visible=true;
if (m_AutoSelectAttachedControl)
m_SelectedTab.AttachedControl.Select();
}
else if(m_SelectedTab.AttachedControl is Form)
{
MdiClient client=this.GetMdiClient(m_MdiForm);
bool bSetRedraw=false;
Form oldActive=m_MdiForm.ActiveMdiChild;
if(client!=null && m_MdiNoFormActivateFlicker && m_SelectedTab.AttachedControl is Form && (((Form)m_SelectedTab.AttachedControl).WindowState==FormWindowState.Maximized || oldActive!=null && oldActive.WindowState==FormWindowState.Maximized))
{
NativeFunctions.SendMessage(client.Handle,NativeFunctions.WM_SETREDRAW,0,0);
bSetRedraw=true;
}
((Form)m_SelectedTab.AttachedControl).Activate();
//if(m_TabSystemBox!=null)
// m_TabSystemBox.CloseVisible=((Form)m_SelectedTab.AttachedControl).ControlBox;
if(bSetRedraw)
{
NativeFunctions.SendMessage(client.Handle,NativeFunctions.WM_SETREDRAW,1,0);
client.Refresh();
}
if(oldActive!=null && oldActive.WindowState==FormWindowState.Normal)
{
if(BarFunctions.ThemedOS)
{
// This will force repaint of Title bar since there were some repainting issues with it...
string s = oldActive.Text; // GetFormText(oldActive);
oldActive.Text=s+" ";
oldActive.Text=s;
}
}
}
}
this.Invalidate();
if(SelectedTabChanged!=null)
{
TabStripTabChangedEventArgs eventData=new TabStripTabChangedEventArgs(oldTab,m_SelectedTab,eEventSource.Mouse);
SelectedTabChanged(this,eventData);
}
}
else if (m_SelectedTab != null && m_SelectedTab.AttachedItem is DockContainerItem && m_SelectedTab.AttachedItem.ContainerControl is Bar && ((Bar)m_SelectedTab.AttachedItem.ContainerControl).DockSide == eDockSide.Document &&
((DockContainerItem)m_SelectedTab.AttachedItem).Control != null)
{
if (m_AutoSelectAttachedControl)
((DockContainerItem)m_SelectedTab.AttachedItem).Control.Select();
}
break;
}
}
}
// Invoke TabItem events.
TabItem tabAt = HitTest(e.X, e.Y);
if (tabAt != null)
{
tabAt.InvokeMouseDown(e);
}
}
private void TabStripTabChanging(object sender, TabStripTabChangingEventArgs e)
{
if (m_RefreshingDockTab)
return;
e.Cancel = InvokeDockTabChange((e.OldTab == null ? null : e.OldTab.AttachedItem), (e.NewTab == null ? null : e.NewTab.AttachedItem));
}
private void SelectTab(TabItem value, eEventSource eventSource)
{
if(m_SelectedTab==value)
return;
TabItem oldTab=m_SelectedTab;
if(SelectedTabChanging!=null)
{
TabStripTabChangingEventArgs eventData = new TabStripTabChangingEventArgs(m_SelectedTab, value, eventSource);
SelectedTabChanging(this,eventData);
if(eventData.Cancel)
return;
}
InvokeBeforeTabDisplay(value);
Control hideControl=null;
if(m_SelectedTab!=null && m_SelectedTab.AttachedItem!=null)
m_SelectedTab.AttachedItem.Displayed=false;
else if(m_SelectedTab!=null && m_SelectedTab.AttachedControl!=null)
{
if(!m_MdiTabbedDocuments)
hideControl=m_SelectedTab.AttachedControl;
}
m_SelectedTab=value;
m_NeedRecalcSize=true;
EnsureVisible(m_SelectedTab);
if(m_SelectedTab!=null && m_SelectedTab.AttachedItem!=null)
{
m_SelectedTab.AttachedItem.Displayed=true;
if(m_SelectedTab.AttachedItem is DockContainerItem && ((DockContainerItem)m_SelectedTab.AttachedItem).Control!=null)
{
if(m_AutoSelectAttachedControl)
((DockContainerItem)m_SelectedTab.AttachedItem).Control.Select();
}
}
else if(m_SelectedTab!=null && m_SelectedTab.AttachedControl!=null)
{
if(!m_MdiTabbedDocuments)
{
//if(!(this.IsDesignMode && m_SelectedTab.AttachedControl is TabControlPanel))
m_SelectedTab.AttachedControl.Visible=true;
if (m_AutoSelectAttachedControl && !(this.TabStop && this.Parent is TabControl && this.Focused && eventSource == eEventSource.Keyboard))
m_SelectedTab.AttachedControl.Select();
if(hideControl==m_SelectedTab.AttachedControl)
hideControl=null;
}
else if(m_SelectedTab.AttachedControl is Form)
{
MdiClient client=this.GetMdiClient(m_MdiForm);
bool bSetRedraw=false;
Form oldActive=m_MdiForm.ActiveMdiChild;
if(client!=null && m_MdiNoFormActivateFlicker && m_SelectedTab.AttachedControl is Form && (((Form)m_SelectedTab.AttachedControl).WindowState==FormWindowState.Maximized || oldActive!=null && oldActive.WindowState==FormWindowState.Maximized))
{
NativeFunctions.SendMessage(client.Handle,NativeFunctions.WM_SETREDRAW,0,0);
bSetRedraw=true;
}
((Form)m_SelectedTab.AttachedControl).Activate();
//if(m_TabSystemBox!=null)
// m_TabSystemBox.CloseVisible=((Form)m_SelectedTab.AttachedControl).ControlBox;
if(bSetRedraw)
{
NativeFunctions.SendMessage(client.Handle,NativeFunctions.WM_SETREDRAW,1,0);
client.Refresh();
}
if(oldActive!=null && oldActive.WindowState==FormWindowState.Normal)
{
if(BarFunctions.ThemedOS)
{
// This will force repaint of Title bar since there were some repainting issues with it...
string s = oldActive.Text; // GetFormText(oldActive);
oldActive.Text=s+" ";
oldActive.Text=s;
}
}
}
}
if(hideControl!=null)
{
//if(!(this.IsDesignMode && hideControl is TabControlPanel))
hideControl.Visible=false;
}
this.Invalidate();
if(SelectedTabChanged!=null)
{
TabStripTabChangedEventArgs eventData = new TabStripTabChangedEventArgs(oldTab, m_SelectedTab, eventSource);
SelectedTabChanged(this,eventData);
}
}
