/// <inheritdoc />
public override void OnMouseMove(Vector2 location)
{
// Cache mouse
MousePosition = location;
// Check if mouse is down
if (IsMouseLeftButtonDown)
{
// Check if mouse is outside the header
if (!HeaderRectangle.Contains(location))
{
// Clear flag
IsMouseLeftButtonDown = false;
// Check tab under the mouse
if (!IsMouseDownOverCross && MouseDownWindow != null)
{
StartDrag(MouseDownWindow);
}
MouseDownWindow = null;
}
// Check if has more than one tab to change order
else if (MouseDownWindow != null && _panel.TabsCount > 1)
{
// Check if mouse left current tab rect
Rectangle currWinRect;
GetTabRect(MouseDownWindow, out currWinRect);
if (!currWinRect.Contains(location))
{
int index = _panel.GetTabIndex(MouseDownWindow);
// Check if move right or left
if (location.X < currWinRect.X)
{
// Move left
_panel.MoveTabLeft(index);
}
else if (_panel.LastTab != MouseDownWindow)
{
// Move right
_panel.MoveTabRight(index);
}
// Update
_panel.PerformLayout();
}
}
}
base.OnMouseMove(location);
}
internal void unlinkWindow(DockWindow window)
{
// Call event to the window
window.OnUnlinkInternal();
// Prevent this action during disposing (we don't want to modify Windows list)
if (IsDisposing)
{
return;
}
// Remove from the windows list
Windows.Remove(window);
}
/// <inheritdoc />
public override bool OnMouseDown(Vector2 location, MouseButton buttons)
{
// Check buttons
if (buttons == MouseButton.Left)
{
// Cache data
IsMouseDown = true;
MouseDownWindow = getTabAtPos(location, out IsMouseDownOverCross);
if (!IsMouseDownOverCross && MouseDownWindow != null)
{
_panel.SelectTab(MouseDownWindow);
}
}
return(base.OnMouseDown(location, buttons));
}
/// <inheritdoc />
public override void OnMouseLeave()
{
// Check if mouse is down
if (IsMouseDown)
{
// Clear flag
IsMouseDown = false;
// Check tabs under mouse position
if (!IsMouseDownOverCross && MouseDownWindow != null)
{
startDrag(MouseDownWindow);
}
MouseDownWindow = null;
}
base.OnMouseLeave();
}
/// <summary>
/// Docks the window.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="window">The window.</param>
protected virtual void DockWindow(DockState state, DockWindow window)
{
CreateTabsProxy();
// Check if dock like a tab or not
if (state == DockState.DockFill)
{
// Add tab
AddTab(window);
}
else
{
// Create child panel
var dockPanel = CreateChildPanel(state, DefaultSplitterValue);
// Dock window as a tab in a child panel
dockPanel.DockWindow(DockState.DockFill, window);
}
}
/// <inheritdoc />
public override void OnMouseLeave()
{
if (IsMouseLeftButtonDown)
{
IsMouseLeftButtonDown = false;
// Check tabs under mouse position
if (!IsMouseDownOverCross && MouseDownWindow != null)
{
StartDrag(MouseDownWindow);
}
MouseDownWindow = null;
}
IsMouseRightButtonDown = false;
IsMouseMiddleButtonDown = false;
MousePosition = Vector2.Minimum;
base.OnMouseLeave();
}
private void ShowContextMenu(DockWindow tab, ref Vector2 location)
{
var menu = new ContextMenu.ContextMenu();
menu.Tag = tab;
tab.OnShowContextMenu(menu);
menu.AddButton("Close", OnTabMenuCloseClicked);
menu.AddButton("Close All", OnTabMenuCloseAllClicked);
menu.AddButton("Close All But This", OnTabMenuCloseAllButThisClicked);
if (_panel.Tabs.IndexOf(tab) + 1 < _panel.TabsCount)
{
menu.AddButton("Close All To The Right", OnTabMenuCloseAllToTheRightClicked);
}
if (!_panel.IsFloating)
{
menu.AddSeparator();
menu.AddButton("Undock", OnTabMenuUndockClicked);
}
menu.Show(this, location);
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
{
// Check tabs under mouse position at the beginning and at the end
var tab = GetTabAtPos(location, out var overCross);
// Check buttons
if (button == MouseButton.Left && IsMouseLeftButtonDown)
{
// Clear flag
IsMouseLeftButtonDown = false;
// Check if tabs are the same and cross was pressed
if (tab != null && tab == MouseDownWindow && IsMouseDownOverCross && overCross)
{
tab.Close(ClosingReason.User);
}
MouseDownWindow = null;
}
else if (button == MouseButton.Right && IsMouseRightButtonDown)
{
// Clear flag
IsMouseRightButtonDown = false;
if (tab != null)
{
ShowContextMenu(tab, ref location);
}
}
else if (button == MouseButton.Middle && IsMouseMiddleButtonDown)
{
// Clear flag
IsMouseMiddleButtonDown = false;
if (tab != null)
{
tab.Close(ClosingReason.User);
}
}
return(base.OnMouseUp(location, button));
}
private DockWindow GetTabAtPos(Vector2 position, out bool closeButton)
{
DockWindow result = null;
closeButton = false;
var tabsCount = _panel.TabsCount;
if (tabsCount == 1)
{
var crossRect = new Rectangle(Width - DockPanel.DefaultButtonsSize - DockPanel.DefaultButtonsMargin, (DockPanel.DefaultHeaderHeight - DockPanel.DefaultButtonsSize) / 2, DockPanel.DefaultButtonsSize, DockPanel.DefaultButtonsSize);
if (HeaderRectangle.Contains(position))
{
closeButton = crossRect.Contains(position);
result = _panel.GetTab(0);
}
}
else
{
float x = 0;
for (int i = 0; i < tabsCount; i++)
{
var tab = _panel.GetTab(i);
var titleSize = tab.TitleSize;
var iconWidth = tab.Icon.IsValid ? DockPanel.DefaultButtonsSize + DockPanel.DefaultLeftTextMargin : 0;
var width = titleSize.X + DockPanel.DefaultButtonsSize + 2 * DockPanel.DefaultButtonsMargin + DockPanel.DefaultLeftTextMargin + DockPanel.DefaultRightTextMargin + iconWidth;
var tabRect = new Rectangle(x, 0, width, DockPanel.DefaultHeaderHeight);
var isMouseOver = tabRect.Contains(position);
if (isMouseOver)
{
var crossRect = new Rectangle(x + width - DockPanel.DefaultButtonsSize - DockPanel.DefaultButtonsMargin, (DockPanel.DefaultHeaderHeight - DockPanel.DefaultButtonsSize) / 2, DockPanel.DefaultButtonsSize, DockPanel.DefaultButtonsSize);
closeButton = crossRect.Contains(position);
result = tab;
break;
}
x += width;
}
}
return(result);
}
/// <summary>
/// Creates the new dragging hit window.
/// </summary>
/// <param name="toMove">Dock window to move.</param>
/// <returns>The dock hint window object.</returns>
public static DockHintWindow Create(DockWindow toMove)
{
if (toMove == null)
{
throw new ArgumentNullException();
}
// Show floating
toMove.ShowFloating();
// Move window to the mouse position (with some offset for caption bar)
var window = (WindowRootControl)toMove.Root;
Vector2 mouse = FlaxEngine.Input.MouseScreenPosition;
window.Window.Position = mouse - new Vector2(8, 8);
// Get floating panel
var floatingPanelToMove = window.GetChild(0) as FloatWindowDockPanel;
return(new DockHintWindow(floatingPanelToMove));
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton buttons)
{
// Check buttons
if (buttons == MouseButton.Left && IsMouseDown)
{
// Clear flag
IsMouseDown = false;
// Check tabs under mouse position at the begining and at the end
bool overCross;
var tab = getTabAtPos(location, out overCross);
// Check if tabs are the same and cross was pressed
if (tab != null && tab == MouseDownWindow && IsMouseDownOverCross && overCross)
{
tab.Close(ClosingReason.User);
}
MouseDownWindow = null;
}
return(base.OnMouseUp(location, buttons));
}
/// <summary>
/// Undocks the window.
/// </summary>
/// <param name="window">The window.</param>
protected virtual void UndockWindow(DockWindow window)
{
var index = GetTabIndex(window);
if (index == -1)
{
throw new IndexOutOfRangeException();
}
// Check if tab was selected
if (window == SelectedTab)
{
// Change selection
if (index == 0 && TabsCount > 1)
{
SelectTab(1);
}
else
{
SelectTab(index - 1);
}
}
// Undock
_tabs.RemoveAt(index);
window.ParentDockPanel = null;
// Check if has no more tabs
if (_tabs.Count == 0)
{
OnLastTabRemoved();
}
else
{
// Update
PerformLayout();
}
}
internal void UndockWindowInternal(DockWindow window)
{
UndockWindow(window);
}
internal virtual void DockWindowInternal(DockState state, DockWindow window)
{
DockWindow(state, window);
}
/// <summary>
/// Determines whether panel contains the specified tab.
/// </summary>
/// <param name="tab">The tab.</param>
/// <returns>
/// <c>true</c> if panel contains the specified tab; otherwise, <c>false</c>.
/// </returns>
public bool ContainsTab(DockWindow tab)
{
return(_tabs.Contains(tab));
}
/// <summary>
/// Gets tab at the given index.
/// </summary>
/// <param name="tab">The tab page.</param>
/// <returns>The index of the given tab.</returns>
public int GetTabIndex(DockWindow tab)
{
return(_tabs.IndexOf(tab));
}
internal void linkWindow(DockWindow window)
{
// Add to the windows list
Windows.Add(window);
}
