/// <summary>Constructor; initializes the window and constructs the tab thumbnail image to use when dragging.</summary>
/// <param name="tab">Tab that was torn out of its parent window.</param>
/// <param name="tabRenderer">Renderer instance to use when drawing the actual tab.</param>
public TornTabForm(TitleBarTab tab, BaseTabRenderer tabRenderer)
{
_layeredWindow = new LayeredWindow();
_initialized = false;
// Set drawing styles
SetStyle(ControlStyles.DoubleBuffer, true);
// This should show up as a semi-transparent borderless window
Opacity = 0.70;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
// ReSharper disable DoNotCallOverridableMethodsInConstructor
BackColor = Color.Fuchsia;
// ReSharper restore DoNotCallOverridableMethodsInConstructor
TransparencyKey = Color.Fuchsia;
AllowTransparency = true;
Disposed += TornTabForm_Disposed;
// Get the tab thumbnail (full size) and then draw the actual representation of the tab onto it as well
Bitmap tabContents = tab.GetImage();
Bitmap contentsAndTab = new Bitmap(tabContents.Width, tabContents.Height + tabRenderer.TabHeight, tabContents.PixelFormat);
Graphics tabGraphics = Graphics.FromImage(contentsAndTab);
tabGraphics.DrawImage(tabContents, 0, tabRenderer.TabHeight);
bool oldShowAddButton = tabRenderer.ShowAddButton;
tabRenderer.ShowAddButton = false;
tabRenderer.Render(
new List <TitleBarTab>
{
tab
}, tabGraphics, new Point(0, 0), new Point(0, 0), true);
tabRenderer.ShowAddButton = oldShowAddButton;
// Scale the thumbnail down to half size
_tabThumbnail = new Bitmap(contentsAndTab.Width / 2, contentsAndTab.Height / 2, contentsAndTab.PixelFormat);
Graphics thumbnailGraphics = Graphics.FromImage(_tabThumbnail);
thumbnailGraphics.InterpolationMode = InterpolationMode.High;
thumbnailGraphics.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraphics.SmoothingMode = SmoothingMode.AntiAlias;
thumbnailGraphics.DrawImage(contentsAndTab, 0, 0, _tabThumbnail.Width, _tabThumbnail.Height);
Width = _tabThumbnail.Width - 1;
Height = _tabThumbnail.Height - 1;
_cursorOffset = new Point(tabRenderer.TabContentWidth / 4, tabRenderer.TabHeight / 4);
SetWindowPosition(Cursor.Position);
}
/// <summary>
/// Calls <see cref="EasyTabs.LayeredWindow.UpdateWindow" /> to update the position of the thumbnail and blend it properly with the underlying desktop elements
/// </summary>
private void UpdateLayeredBackground()
{
if (TabThumbnail == null || !Initialized)
{
return;
}
byte opacity = (byte)(Opacity * 255);
LayeredWindow.UpdateWindow(TabThumbnail, opacity, Width, Height,
new POINT {
x = Location.X, y = Location.Y
});
}
public TornTabForm(TitleBarTab tab, BaseTabRenderer tabRenderer)
{
LayeredWindow = new LayeredWindow();
Initialized = false;
SetStyle(ControlStyles.DoubleBuffer, true);
Opacity = 0.70;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
BackColor = Color.Fuchsia;
TransparencyKey = Color.Fuchsia;
AllowTransparency = true;
Disposed += OnDisposed;
Bitmap tabContents = tab.GetThumbnail();
Bitmap contentsAndTab = new Bitmap(tabContents.Width, tabContents.Height + tabRenderer.TabHeight,
tabContents.PixelFormat);
Graphics tabGraphics = Graphics.FromImage(contentsAndTab);
tabGraphics.DrawImage(tabContents, 0, tabRenderer.TabHeight);
bool oldShowAddButton = tabRenderer.ShowAddButton;
tabRenderer.ShowAddButton = false;
tabRenderer.Render(new List <TitleBarTab> {
tab
}, tabGraphics, new Point(0, 0), new Point(0, 0), true);
tabRenderer.ShowAddButton = oldShowAddButton;
TabThumbnail = new Bitmap(contentsAndTab.Width / 2, contentsAndTab.Height / 2, contentsAndTab.PixelFormat);
Graphics thumbnailGraphics = Graphics.FromImage(TabThumbnail);
thumbnailGraphics.InterpolationMode = InterpolationMode.High;
thumbnailGraphics.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraphics.SmoothingMode = SmoothingMode.AntiAlias;
thumbnailGraphics.DrawImage(contentsAndTab, 0, 0, TabThumbnail.Width, TabThumbnail.Height);
Width = TabThumbnail.Width - 1;
Height = TabThumbnail.Height - 1;
CursorOffset = new Point(tabRenderer.TabContentWidth / 4, tabRenderer.TabHeight / 4);
SetWindowPosition(Cursor.Position);
}
/// <summary>
/// Event handler that's called when the window is loaded; shows <see cref="_layeredWindow" /> and installs the mouse hook via <see cref="Win32Interop.Methods.User32.SetWindowsHookEx" />
/// </summary>
/// <param name="e">Arguments associated with this event</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Initialized = true;
UpdateLayeredBackground();
LayeredWindow.Show();
LayeredWindow.Enabled = false;
if (!HookInstalled)
{
using (Process curProcess = Process.GetCurrentProcess())
{
using (ProcessModule curModule = curProcess.MainModule)
{
HookProc = MouseHookCallBack;
HookID = User32.SetWindowsHookEx(WH.WH_MOUSE_LL, HookProc,
Kernel32.GetModuleHandle(curModule.ModuleName), 0);
}
}
HookInstalled = true;
}
}
/// <summary>
/// Event handler that is called when the window is closing; closes <see cref="LayeredWindow" /> as well
/// </summary>
/// <param name="e">Arguments associated with this event</param>
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
LayeredWindow.Close();
}
/// <summary>Constructor; initializes the window and constructs the tab thumbnail image to use when dragging.</summary>
/// <param name="tab">Tab that was torn out of its parent window.</param>
/// <param name="tabRenderer">Renderer instance to use when drawing the actual tab.</param>
public TornTabForm(TitleBarTab tab, BaseTabRenderer tabRenderer)
{
_layeredWindow = new LayeredWindow();
_initialized = false;
// Set drawing styles
SetStyle(ControlStyles.DoubleBuffer, true);
// This should show up as a semi-transparent borderless window
Opacity = 0.70;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
// ReSharper disable DoNotCallOverridableMethodsInConstructor
BackColor = Color.Fuchsia;
// ReSharper restore DoNotCallOverridableMethodsInConstructor
TransparencyKey = Color.Fuchsia;
AllowTransparency = true;
Disposed += TornTabForm_Disposed;
// Get the tab thumbnail (full size) and then draw the actual representation of the tab onto it as well
Bitmap tabContents = tab.GetImage();
Bitmap contentsAndTab = new Bitmap(tabContents.Width, tabContents.Height + tabRenderer.TabHeight, tabContents.PixelFormat);
Graphics tabGraphics = Graphics.FromImage(contentsAndTab);
tabGraphics.DrawImage(tabContents, 0, tabRenderer.TabHeight);
bool oldShowAddButton = tabRenderer.ShowAddButton;
tabRenderer.ShowAddButton = false;
tabRenderer.Render(
new List<TitleBarTab>
{
tab
}, tabGraphics, new Point(0, 0), new Point(0, 0), true);
tabRenderer.ShowAddButton = oldShowAddButton;
// Scale the thumbnail down to half size
_tabThumbnail = new Bitmap(contentsAndTab.Width / 2, contentsAndTab.Height / 2, contentsAndTab.PixelFormat);
Graphics thumbnailGraphics = Graphics.FromImage(_tabThumbnail);
thumbnailGraphics.InterpolationMode = InterpolationMode.High;
thumbnailGraphics.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraphics.SmoothingMode = SmoothingMode.AntiAlias;
thumbnailGraphics.DrawImage(contentsAndTab, 0, 0, _tabThumbnail.Width, _tabThumbnail.Height);
Width = _tabThumbnail.Width - 1;
Height = _tabThumbnail.Height - 1;
_cursorOffset = new Point(tabRenderer.TabContentWidth / 4, tabRenderer.TabHeight / 4);
SetWindowPosition(Cursor.Position);
}
