namespace System.Windows.Forms {
- internal class InternalWindowManager {
- private Size MinTitleBarSize = new Size (115, 25);
-
+ internal abstract class InternalWindowManager {
+ private TitleButtons title_buttons;
internal Form form;
- internal TitleButton close_button;
- internal TitleButton maximize_button;
- internal TitleButton minimize_button;
-
- private ToolTip.ToolTipWindow tooltip;
- private Timer tooltip_timer;
- private TitleButton tooltip_hovered_button;
- private TitleButton tooltip_hidden_button;
- private const int tooltip_hide_interval = 3000;
- private const int tooltip_show_interval = 1000;
- private TitleButton [] title_buttons = new TitleButton [3];
-
// moving windows
internal Point start;
internal State state;
protected Point clicked_point;
private FormPos sizing_edge;
internal Rectangle virtual_position;
-
- public class TitleButton {
- public Rectangle Rectangle;
- public ButtonState State;
- public CaptionButton Caption;
- public EventHandler Clicked;
- public TitleButton (CaptionButton caption, EventHandler clicked)
- {
- Caption = caption;
- Clicked = clicked;
- }
- }
+ private Rectangle normal_bounds;
+ private Rectangle iconic_bounds;
+
public enum State {
Idle,
form.SizeChanged += new EventHandler (FormSizeChangedHandler);
- CreateButtons ();
+ title_buttons = new TitleButtons (form);
+ ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
}
public Form Form {
get { return form; }
}
+
+ public int IconWidth {
+ get { return TitleBarHeight - 5; }
+ }
- public bool AnyPushedTitleButtons {
+ public TitleButtons TitleButtons {
+ get {
+ return title_buttons;
+ }
+ }
+ internal Rectangle NormalBounds {
get {
- return (minimize_button != null && minimize_button.State == ButtonState.Pushed) ||
- (maximize_button != null && maximize_button.State == ButtonState.Pushed) ||
- (close_button != null && close_button.State == ButtonState.Pushed);
+ return normal_bounds;
+ }
+ set {
+ normal_bounds = value;
+ }
+ }
+ internal Size IconicSize {
+ get {
+ return SystemInformation.MinimizedWindowSize;
}
}
- public int IconWidth {
- get { return TitleBarHeight - 5; }
+ internal Rectangle IconicBounds {
+ get {
+ if (iconic_bounds == Rectangle.Empty)
+ return Rectangle.Empty;
+ Rectangle result = iconic_bounds;
+ result.Y = Form.Parent.ClientRectangle.Bottom - iconic_bounds.Y;
+ return result;
+ }
+ set {
+ iconic_bounds = value;
+ iconic_bounds.Y = Form.Parent.ClientRectangle.Bottom - iconic_bounds.Y;
+ }
+ }
+
+ internal virtual Rectangle MaximizedBounds {
+ get {
+ return Form.Parent.ClientRectangle;
+ }
}
+
+ public virtual void UpdateWindowState (FormWindowState old_window_state, FormWindowState new_window_state, bool force)
+ {
+ if (old_window_state == FormWindowState.Normal) {
+ NormalBounds = form.Bounds;
+ } else if (old_window_state == FormWindowState.Minimized) {
+ IconicBounds = form.Bounds;
+ }
+
+ switch (new_window_state) {
+ case FormWindowState.Minimized:
+ if (IconicBounds == Rectangle.Empty) {
+ Size size = IconicSize;
+ Point location = new Point (0, Form.Parent.ClientSize.Height - size.Height);
+ IconicBounds = new Rectangle (location, size);
+ }
+ form.Bounds = IconicBounds;
+ break;
+ case FormWindowState.Maximized:
+ form.Bounds = MaximizedBounds;
+ break;
+ case FormWindowState.Normal:
+ form.Bounds = NormalBounds;
+ break;
+ }
- public virtual bool HandleMessage (ref Message m)
+ UpdateWindowDecorations (new_window_state);
+ form.ResetCursor ();
+ }
+
+ public virtual void UpdateWindowDecorations (FormWindowState window_state)
+ {
+ ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
+ if (form.IsHandleCreated)
+ XplatUI.RequestNCRecalc (form.Handle);
+ }
+
+ public virtual bool WndProc (ref Message m)
{
+#if debug
+ Console.WriteLine(DateTime.Now.ToLongTimeString () + " " + this.GetType () .Name + " (Handle={0},Text={1}) received message {2}", form.IsHandleCreated ? form.Handle : IntPtr.Zero, form.Text, m.ToString ());
+#endif
+
switch ((Msg)m.Msg) {
HandleNCMouseLeave (ref m);
break;
- case Msg.WM_MOUSE_LEAVE:
+ case Msg.WM_MOUSELEAVE:
HandleMouseLeave (ref m);
break;
case Msg.WM_NCCALCSIZE:
- HandleNCCalcSize (ref m);
- break;
+ return HandleNCCalcSize (ref m);
case Msg.WM_NCPAINT:
- return HandleNCPaint ();
+ return HandleNCPaint (ref m);
}
return false;
}
- protected virtual bool HandleNCPaint ()
+ protected virtual bool HandleNCPaint (ref Message m)
{
- PaintEventArgs pe = XplatUI.PaintEventStart (form.Handle, false);
+ PaintEventArgs pe = XplatUI.PaintEventStart (ref m, form.Handle, false);
Rectangle clip;
- // clip region is not correct on win32.
- // if (m.WParam.ToInt32 () > 1) {
- // Region r = Region.FromHrgn (m.WParam);
- // RectangleF rf = r.GetBounds (pe.Graphics);
- // clip = new Rectangle ((int) rf.X, (int) rf.Y, (int) rf.Width, (int) rf.Height);
- //} else {
- clip = new Rectangle (0, 0, form.Width, form.Height);
- //}
-
- ThemeEngine.Current.DrawManagedWindowDecorations (pe.Graphics, clip, this);
- XplatUI.PaintEventEnd (form.Handle, false);
+
+ if (form.ActiveMenu != null) {
+ Point pnt;
+
+ pnt = GetMenuOrigin ();
+
+ // The entire menu has to be in the clip rectangle because the
+ // control buttons are right-aligned and otherwise they would
+ // stay painted when the window gets resized.
+ clip = new Rectangle (pnt.X, pnt.Y, form.ClientSize.Width, 0);
+ clip = Rectangle.Union (clip, pe.ClipRectangle);
+ pe.SetClip (clip);
+ pe.Graphics.SetClip (clip);
+
+ form.ActiveMenu.Draw (pe, new Rectangle (pnt.X, pnt.Y, form.ClientSize.Width, 0));
+ }
+ if (HasBorders || IsMinimized && !(Form.IsMdiChild && IsMaximized)) {
+ // clip region is not correct on win32.
+ // use the entire form's area.
+ clip = new Rectangle (0, 0, form.Width, form.Height);
+ ThemeEngine.Current.DrawManagedWindowDecorations (pe.Graphics, clip, this);
+ }
+ XplatUI.PaintEventEnd (ref m, form.Handle, false);
return true;
}
- protected virtual void HandleNCCalcSize (ref Message m)
+ protected virtual bool HandleNCCalcSize (ref Message m)
{
XplatUIWin32.NCCALCSIZE_PARAMS ncp;
+ XplatUIWin32.RECT rect;
if (m.WParam == (IntPtr)1) {
ncp = (XplatUIWin32.NCCALCSIZE_PARAMS)Marshal.PtrToStructure (m.LParam,
typeof (XplatUIWin32.NCCALCSIZE_PARAMS));
+
+ ncp.rgrc1 = NCCalcSize (ncp.rgrc1);
- int bw = ThemeEngine.Current.ManagedWindowBorderWidth (this);
+ Marshal.StructureToPtr (ncp, m.LParam, true);
+ } else {
+ rect = (XplatUIWin32.RECT) Marshal.PtrToStructure (m.LParam, typeof (XplatUIWin32.RECT));
+
+ rect = NCCalcSize (rect);
+
+ Marshal.StructureToPtr (rect, m.LParam, true);
+ }
+
+ return true;
+ }
- if (HasBorders) {
- ncp.rgrc1.top += TitleBarHeight + bw;
- ncp.rgrc1.bottom -= bw;
- ncp.rgrc1.left += bw;
- ncp.rgrc1.right -= bw;
- }
+ protected virtual XplatUIWin32.RECT NCCalcSize (XplatUIWin32.RECT proposed_window_rect)
+ {
+ int bw = ThemeEngine.Current.ManagedWindowBorderWidth (this);
- Marshal.StructureToPtr (ncp, m.LParam, true);
+ if (HasBorders) {
+ proposed_window_rect.top += TitleBarHeight + bw;
+ proposed_window_rect.bottom -= bw;
+ proposed_window_rect.left += bw;
+ proposed_window_rect.right -= bw;
}
+
+ if (XplatUI.RequiresPositiveClientAreaSize) {
+ // This is necessary for Linux, can't handle <= 0-sized
+ // client areas correctly.
+ if (proposed_window_rect.right <= proposed_window_rect.left) {
+ proposed_window_rect.right += proposed_window_rect.left - proposed_window_rect.right + 1;
+ }
+ if (proposed_window_rect.top >= proposed_window_rect.bottom) {
+ proposed_window_rect.bottom += proposed_window_rect.top - proposed_window_rect.bottom + 1;
+ }
+ }
+
+ return proposed_window_rect;
}
protected virtual bool HandleNCHitTest (ref Message m)
public virtual void UpdateBorderStyle (FormBorderStyle border_style)
{
- XplatUI.SetBorderStyle (form.Handle, border_style);
+ if (form.IsHandleCreated) {
+ XplatUI.SetBorderStyle (form.Handle, border_style);
+ }
if (ShouldRemoveWindowManager (border_style)) {
form.RemoveWindowManager ();
return;
}
- CreateButtons ();
- }
-
- #region ToolTip helpers
- // Called from MouseMove if mouse is over a button
- private void ToolTipStart (TitleButton button)
- {
- tooltip_hovered_button = button;
-
- if (tooltip_hovered_button == tooltip_hidden_button)
- return;
- tooltip_hidden_button = null;
-
- if (tooltip != null && tooltip.Visible)
- ToolTipShow (true);
-
- if (tooltip_timer == null) {
-
- tooltip_timer = new Timer ();
- tooltip_timer.Tick += new EventHandler (ToolTipTimerTick);
- }
-
- tooltip_timer.Interval = tooltip_show_interval;
- tooltip_timer.Start ();
- tooltip_hovered_button = button;
- }
-
- private void ToolTipTimerTick (object sender, EventArgs e)
- {
- if (tooltip_timer.Interval == tooltip_hide_interval) {
- tooltip_hidden_button = tooltip_hovered_button;
- ToolTipHide (false);
- } else {
- ToolTipShow (false);
- }
+ ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
}
- // Called from timer (with only_refresh = false)
- // Called from ToolTipStart if tooltip is already shown (with only_refresh = true)
- private void ToolTipShow (bool only_refresh)
- {
- string text = Locale.GetText (tooltip_hovered_button.Caption.ToString ());
-
- tooltip_timer.Interval = tooltip_hide_interval;
- tooltip_timer.Enabled = true;
-
- if (only_refresh && (tooltip == null || !tooltip.Visible )) {
- return;
- }
-
- if (tooltip == null)
- tooltip = new ToolTip.ToolTipWindow ();
- else if (tooltip.Text == text && tooltip.Visible)
- return;
- else if (tooltip.Visible)
- tooltip.Visible = false;
- if (form.WindowState == FormWindowState.Maximized)
- tooltip.Present (form.MdiParent, text);
- else
- tooltip.Present (form, text);
-
- }
- // Called from MouseLeave (with reset_hidden_button = true)
- // Called from MouseDown (with reset_hidden_button = false)
- // Called from MouseMove if mouse isn't over any button (with reset_hidden_button = false)
- // Called from Timer if hiding (with reset_hidden_button = false)
- private void ToolTipHide (bool reset_hidden_button)
- {
- if (tooltip_timer != null)
- tooltip_timer.Enabled = false;
- if (tooltip != null && tooltip.Visible)
- tooltip.Visible = false;
- if (reset_hidden_button)
- tooltip_hidden_button = null;
- }
- #endregion
public virtual void SetWindowState (FormWindowState old_state, FormWindowState window_state)
{
+ UpdateWindowState (old_state, window_state, false);
}
public virtual FormWindowState GetWindowState ()
return style != FormBorderStyle.FixedToolWindow && style != FormBorderStyle.SizableToolWindow;
}
- protected virtual void Activate ()
+ public bool IconRectangleContains (int x, int y)
{
- form.Refresh ();
- }
+ if (!ShowIcon)
+ return false;
- public virtual bool IsActive ()
- {
- return true;
+ Rectangle icon = ThemeEngine.Current.ManagedWindowGetTitleBarIconArea (this);
+ return icon.Contains (x, y);
}
+ public bool ShowIcon {
+ get {
+ if (!Form.ShowIcon)
+ return false;
+ if (!HasBorders)
+ return false;
+ if (IsMinimized)
+ return true;
+ if (IsToolWindow || Form.FormBorderStyle == FormBorderStyle.FixedDialog)
+ return false;
+ return true;
+ }
+ }
- private void FormSizeChangedHandler (object sender, EventArgs e)
+ protected virtual void Activate ()
{
- ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
- XplatUI.InvalidateNC (form.Handle);
+ form.Invalidate (true);
+ form.Update ();
}
- protected void CreateButtons ()
- {
- switch (form.FormBorderStyle) {
- case FormBorderStyle.None:
- close_button = null;
- minimize_button = null;
- maximize_button = null;
- if (IsMaximized || IsMinimized)
- goto case FormBorderStyle.Sizable;
- break;
- case FormBorderStyle.FixedToolWindow:
- case FormBorderStyle.SizableToolWindow:
- close_button = new TitleButton (CaptionButton.Close, new EventHandler (CloseClicked));
- if (IsMaximized || IsMinimized)
- goto case FormBorderStyle.Sizable;
- break;
- case FormBorderStyle.FixedSingle:
- case FormBorderStyle.Fixed3D:
- case FormBorderStyle.FixedDialog:
- case FormBorderStyle.Sizable:
- close_button = new TitleButton (CaptionButton.Close, new EventHandler (CloseClicked));
- minimize_button = new TitleButton (CaptionButton.Minimize, new EventHandler (MinimizeClicked));
- maximize_button = new TitleButton (CaptionButton.Maximize, new EventHandler (MaximizeClicked));
- break;
+ public virtual bool IsActive {
+ get {
+ return true;
}
+ }
- title_buttons [0] = close_button;
- title_buttons [1] = minimize_button;
- title_buttons [2] = maximize_button;
- ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
+ private void FormSizeChangedHandler (object sender, EventArgs e)
+ {
+ if (form.IsHandleCreated) {
+ ThemeEngine.Current.ManagedWindowSetButtonLocations (this);
+ XplatUI.InvalidateNC (form.Handle);
+ }
}
protected virtual bool HandleRButtonDown (ref Message m)
return true;
}
+ if (form.ActiveMenu != null && XplatUI.IsEnabled (form.Handle)) {
+ MouseEventArgs mea = new MouseEventArgs (Form.FromParamToMouseButtons (m.WParam.ToInt32 ()), form.mouse_clicks, x, y, 0);
+ form.ActiveMenu.OnMouseMove (form, mea);
+ }
+
return true;
}
NCPointToClient (ref x, ref y);
FormPos pos = FormPosForCoords (x, y);
+ if (form.ActiveMenu != null && XplatUI.IsEnabled (form.Handle)) {
+ MouseEventArgs mea = new MouseEventArgs (Form.FromParamToMouseButtons (m.WParam.ToInt32 ()), form.mouse_clicks, x, y - TitleBarHeight, 0);
+ form.ActiveMenu.OnMouseDown (form, mea);
+ }
+
if (pos == FormPos.TitleBar) {
HandleTitleBarDown (x, y);
return true;
protected virtual void HandleTitleBarLeave (int x, int y)
{
- foreach (TitleButton button in title_buttons) {
- if (button != null) {
- button.State = ButtonState.Normal;
- }
- }
- ToolTipHide (true);
- return;
+ title_buttons.MouseLeave (x, y);
}
protected virtual void HandleTitleBarMouseMove (int x, int y)
{
- bool any_change = false;
- bool any_tooltip = false;
- bool any_pushed_buttons = AnyPushedTitleButtons;
-
- foreach (TitleButton button in title_buttons) {
- if (button == null)
- continue;
-
- if (button.Rectangle.Contains (x, y)) {
- if (any_pushed_buttons) {
- any_change |= button.State != ButtonState.Pushed;
- button.State = ButtonState.Pushed;
- }
- ToolTipStart (button);
- any_tooltip = true;
- } else {
- if (any_pushed_buttons) {
- any_change |= button.State != ButtonState.Normal;
- button.State = ButtonState.Normal;
- }
- }
- }
- if (any_change) {
- if (IsMaximized && form.IsMdiChild)
- XplatUI.InvalidateNC (form.MdiParent.Handle);
- else
- XplatUI.InvalidateNC (form.Handle);
- }
- if (!any_tooltip)
- ToolTipHide (false);
+ if (title_buttons.MouseMove (x, y))
+ XplatUI.InvalidateNC (form.Handle);
}
protected virtual void HandleTitleBarUp (int x, int y)
{
- foreach (TitleButton button in title_buttons) {
- if (button == null)
- continue;
-
- button.State = ButtonState.Normal;
- if (button.Rectangle.Contains (x, y)) {
- button.Clicked (this, EventArgs.Empty);
- }
- }
+ title_buttons.MouseUp (x, y);
return;
}
protected virtual void HandleTitleBarDown (int x, int y)
{
- ToolTipHide (false);
-
- foreach (TitleButton button in title_buttons) {
- if (button != null) {
- if (button.Rectangle.Contains (x, y)) {
- button.State = ButtonState.Pushed;
- } else {
- button.State = ButtonState.Normal;
- }
- }
- }
-
- if (!AnyPushedTitleButtons && !IsMaximized){
+ title_buttons.MouseDown (x, y);
+
+ if (!TitleButtons.AnyPushedTitleButtons && !IsMaximized) {
state = State.Moving;
clicked_point = new Point (x, y);
- if (form.IsMdiChild) {
+ if (form.Parent != null) {
form.CaptureWithConfine (form.Parent);
} else {
form.Capture = true;
protected virtual void HandleWindowMove (Message m)
{
- Point move = MouseMove (m);
+ Point move = MouseMove (Cursor.Position);
UpdateVP (virtual_position.X + move.X, virtual_position.Y + move.Y,
virtual_position.Width, virtual_position.Height);
private void HandleSizing (Message m)
{
Rectangle pos = virtual_position;
- int bw = ThemeEngine.Current.ManagedWindowBorderWidth (this);
- int mw = MinTitleBarSize.Width + (bw * 2);
- int mh = MinTitleBarSize.Height + (bw * 2);
+ int mw;
+ int mh;
+ if (IsToolWindow) {
+ int border_width = BorderWidth;
+ mw = 2 * (border_width + Theme.ManagedWindowSpacingAfterLastTitleButton) + ThemeEngine.Current.ManagedWindowButtonSize (this).Width;
+ mh = 2 * border_width + TitleBarHeight;
+ } else {
+ Size minimum_size = SystemInformation.MinWindowTrackSize;
+ mw = minimum_size.Width;
+ mh = minimum_size.Height;
+ }
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
public bool IsToolWindow {
get {
if (form.FormBorderStyle == FormBorderStyle.SizableToolWindow ||
- form.FormBorderStyle == FormBorderStyle.FixedToolWindow)
+ form.FormBorderStyle == FormBorderStyle.FixedToolWindow ||
+ form.GetCreateParams().IsSet (WindowExStyles.WS_EX_TOOLWINDOW))
return true;
return false;
}
}
}
+ public int BorderWidth {
+ get {
+ return ThemeEngine.Current.ManagedWindowBorderWidth (this);
+ }
+ }
+
+ public virtual int MenuHeight {
+ get {
+ return (form.Menu != null ? ThemeEngine.Current.MenuHeight : 0);
+ }
+ }
+
protected void UpdateVP (Rectangle r)
{
UpdateVP (r.X, r.Y, r.Width, r.Height);
ClearVirtualPosition ();
form.Capture = false;
- form.Bounds = virtual_position;
+ if (state == State.Moving && form.Location != virtual_position.Location)
+ form.Location = virtual_position.Location;
+ else if (state == State.Sizing && form.Bounds != virtual_position)
+ form.Bounds = virtual_position;
state = State.Idle;
OnWindowFinishedMoving ();
if (!button.Rectangle.IntersectsWith (clip))
return;
- dc.FillRectangle (SystemBrushes.Control, button.Rectangle);
- ControlPaint.DrawCaptionButton (dc, button.Rectangle,
- button.Caption, button.State);
+ ThemeEngine.Current.ManagedWindowDrawMenuButton (dc, button, clip, this);
}
public virtual void DrawMaximizedButtons (object sender, PaintEventArgs pe)
{
}
- protected virtual void CloseClicked (object sender, EventArgs e)
- {
- form.Close ();
- }
-
- private void MinimizeClicked (object sender, EventArgs e)
- {
- if (GetWindowState () != FormWindowState.Minimized) {
- form.WindowState = FormWindowState.Minimized;
- } else {
- form.WindowState = FormWindowState.Normal;
- }
- }
-
- private void MaximizeClicked (object sender, EventArgs e)
- {
- if (GetWindowState () != FormWindowState.Maximized) {
- form.WindowState = FormWindowState.Maximized;
- } else {
- form.WindowState = FormWindowState.Normal;
- }
- }
-
- protected Point MouseMove (Message m)
+ protected Point MouseMove (Point pos)
{
- Point cp = Cursor.Position;
- return new Point (cp.X - start.X, cp.Y - start.Y);
+ return new Point (pos.X - start.X, pos.Y - start.Y);
}
protected virtual void DrawVirtualPosition (Rectangle virtual_position)
protected virtual void NCClientToNC (ref int x, ref int y) {
y += TitleBarHeight;
- y += ThemeEngine.Current.ManagedWindowBorderWidth (this);
+ y += BorderWidth;
+ y += MenuHeight;
+ }
+
+ internal Point GetMenuOrigin ()
+ {
+ return new Point (BorderWidth, BorderWidth + TitleBarHeight);
}
protected FormPos FormPosForCoords (int x, int y)
{
- int bw = ThemeEngine.Current.ManagedWindowBorderWidth (this);
+ int bw = BorderWidth;
if (y < TitleBarHeight + bw) {
// Console.WriteLine ("A");
if (y > bw && x > bw &&
return FormPos.None;
}
}
+ internal class TitleButton
+ {
+ public Rectangle Rectangle;
+ public ButtonState State;
+ public CaptionButton Caption;
+ private EventHandler Clicked;
+ public bool Visible;
+ bool entered;
+
+ public TitleButton (CaptionButton caption, EventHandler clicked)
+ {
+ Caption = caption;
+ Clicked = clicked;
+ }
+
+ public void OnClick ()
+ {
+ if (Clicked != null) {
+ Clicked (this, EventArgs.Empty);
+ }
+ }
+
+ public bool Entered {
+ get { return entered; }
+ set { entered = value; }
+ }
+ }
+
+ internal class TitleButtons : System.Collections.IEnumerable
+ {
+ public TitleButton MinimizeButton;
+ public TitleButton MaximizeButton;
+ public TitleButton RestoreButton;
+ public TitleButton CloseButton;
+ public TitleButton HelpButton;
+
+ public TitleButton [] AllButtons;
+ public bool Visible;
+
+ private ToolTip.ToolTipWindow tooltip;
+ private Timer tooltip_timer;
+ private TitleButton tooltip_hovered_button;
+ private TitleButton tooltip_hidden_button;
+ private const int tooltip_hide_interval = 3000;
+ private const int tooltip_show_interval = 1000;
+ private Form form;
+
+ public TitleButtons (Form frm)
+ {
+ this.form = frm;
+ this.Visible = true;
+
+ MinimizeButton = new TitleButton (CaptionButton.Minimize, new EventHandler (ClickHandler));
+ MaximizeButton = new TitleButton (CaptionButton.Maximize, new EventHandler (ClickHandler));
+ RestoreButton = new TitleButton (CaptionButton.Restore, new EventHandler (ClickHandler));
+ CloseButton = new TitleButton (CaptionButton.Close, new EventHandler (ClickHandler));
+ HelpButton = new TitleButton (CaptionButton.Help, new EventHandler (ClickHandler));
+
+ AllButtons = new TitleButton [] { MinimizeButton, MaximizeButton, RestoreButton, CloseButton, HelpButton };
+ }
+
+ private void ClickHandler (object sender, EventArgs e)
+ {
+ if (!Visible) {
+ return;
+ }
+
+ TitleButton button = (TitleButton) sender;
+
+ switch (button.Caption) {
+ case CaptionButton.Close:
+ form.Close ();
+ break;
+ case CaptionButton.Help:
+ Console.WriteLine ("Help not implemented.");
+ break;
+ case CaptionButton.Maximize:
+ form.WindowState = FormWindowState.Maximized;
+ break;
+ case CaptionButton.Minimize:
+ form.WindowState = FormWindowState.Minimized;
+ break;
+ case CaptionButton.Restore:
+ form.WindowState = FormWindowState.Normal;
+ break;
+ }
+ }
+
+ public TitleButton FindButton (int x, int y)
+ {
+ if (!Visible) {
+ return null;
+ }
+
+ foreach (TitleButton button in AllButtons) {
+ if (button.Visible && button.Rectangle.Contains (x, y)) {
+ return button;
+ }
+ }
+ return null;
+ }
+
+ public bool AnyPushedTitleButtons {
+ get {
+ if (!Visible) {
+ return false;
+ }
+
+ foreach (TitleButton button in AllButtons) {
+ if (button.Visible && button.State == ButtonState.Pushed) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+
+ #region IEnumerable Members
+
+ public System.Collections.IEnumerator GetEnumerator ()
+ {
+ return AllButtons.GetEnumerator ();
+ }
+ #endregion
+
+ #region ToolTip helpers
+ // Called from MouseMove if mouse is over a button
+ public void ToolTipStart (TitleButton button)
+ {
+ tooltip_hovered_button = button;
+
+ if (tooltip_hovered_button == tooltip_hidden_button)
+ return;
+ tooltip_hidden_button = null;
+
+ if (tooltip != null && tooltip.Visible)
+ ToolTipShow (true);
+
+ if (tooltip_timer == null) {
+
+ tooltip_timer = new Timer ();
+ tooltip_timer.Tick += new EventHandler (ToolTipTimerTick);
+ }
+
+ tooltip_timer.Interval = tooltip_show_interval;
+ tooltip_timer.Start ();
+ tooltip_hovered_button = button;
+ }
+
+ public void ToolTipTimerTick (object sender, EventArgs e)
+ {
+ if (tooltip_timer.Interval == tooltip_hide_interval) {
+ tooltip_hidden_button = tooltip_hovered_button;
+ ToolTipHide (false);
+ } else {
+ ToolTipShow (false);
+ }
+ }
+ // Called from timer (with only_refresh = false)
+ // Called from ToolTipStart if tooltip is already shown (with only_refresh = true)
+ public void ToolTipShow (bool only_refresh)
+ {
+ if (!form.Visible)
+ return;
+
+ string text = Locale.GetText (tooltip_hovered_button.Caption.ToString ());
+
+ tooltip_timer.Interval = tooltip_hide_interval;
+ tooltip_timer.Enabled = true;
+
+ if (only_refresh && (tooltip == null || !tooltip.Visible)) {
+ return;
+ }
+
+ if (tooltip == null)
+ tooltip = new ToolTip.ToolTipWindow ();
+ else if (tooltip.Text == text && tooltip.Visible)
+ return;
+ else if (tooltip.Visible)
+ tooltip.Visible = false;
+
+ if (form.WindowState == FormWindowState.Maximized && form.MdiParent != null)
+ tooltip.Present (form.MdiParent, text);
+ else
+ tooltip.Present (form, text);
+
+ }
+
+ // Called from MouseLeave (with reset_hidden_button = true)
+ // Called from MouseDown (with reset_hidden_button = false)
+ // Called from MouseMove if mouse isn't over any button (with reset_hidden_button = false)
+ // Called from Timer if hiding (with reset_hidden_button = false)
+ public void ToolTipHide (bool reset_hidden_button)
+ {
+ if (tooltip_timer != null)
+ tooltip_timer.Enabled = false;
+ if (tooltip != null && tooltip.Visible)
+ tooltip.Visible = false;
+ if (reset_hidden_button)
+ tooltip_hidden_button = null;
+ }
+ #endregion
+
+ public bool MouseMove (int x, int y)
+ {
+ if (!Visible) {
+ return false;
+ }
+
+ bool any_change = false;
+ bool any_pushed_buttons = AnyPushedTitleButtons;
+ bool any_tooltip = false;
+ TitleButton over_button = FindButton (x, y);
+
+ foreach (TitleButton button in this) {
+ if (button == null)
+ continue;
+
+ if (button.State == ButtonState.Inactive)
+ continue;
+
+ if (button == over_button) {
+ if (any_pushed_buttons) {
+ any_change |= button.State != ButtonState.Pushed;
+ button.State = ButtonState.Pushed;
+ }
+ ToolTipStart (button);
+ any_tooltip = true;
+ if (!button.Entered) {
+ button.Entered = true;
+ if (ThemeEngine.Current.ManagedWindowTitleButtonHasHotElementStyle (button, form))
+ any_change = true;
+ }
+ } else {
+ if (any_pushed_buttons) {
+ any_change |= button.State != ButtonState.Normal;
+ button.State = ButtonState.Normal;
+ }
+ if (button.Entered) {
+ button.Entered = false;
+ if (ThemeEngine.Current.ManagedWindowTitleButtonHasHotElementStyle (button, form))
+ any_change = true;
+ }
+ }
+ }
+
+ if (!any_tooltip)
+ ToolTipHide (false);
+
+ return any_change;
+ }
+
+ public void MouseDown (int x, int y)
+ {
+ if (!Visible) {
+ return;
+ }
+
+ ToolTipHide (false);
+
+ foreach (TitleButton button in this) {
+ if (button != null && button.State != ButtonState.Inactive) {
+ button.State = ButtonState.Normal;
+ }
+ }
+ TitleButton clicked_button = FindButton (x, y);
+ if (clicked_button != null && clicked_button.State != ButtonState.Inactive) {
+ clicked_button.State = ButtonState.Pushed;
+ }
+ }
+
+ public void MouseUp (int x, int y)
+ {
+ if (!Visible) {
+ return;
+ }
+
+ TitleButton clicked_button = FindButton (x, y);
+ if (clicked_button != null && clicked_button.State != ButtonState.Inactive) {
+ clicked_button.OnClick ();
+ }
+
+ foreach (TitleButton button in this) {
+ if (button == null || button.State == ButtonState.Inactive)
+ continue;
+
+ button.State = ButtonState.Normal;
+ }
+
+ if (clicked_button == CloseButton && !form.closing)
+ XplatUI.InvalidateNC (form.Handle);
+
+ ToolTipHide (true);
+ }
+
+ internal void MouseLeave (int x, int y)
+ {
+ if (!Visible) {
+ return;
+ }
+
+ foreach (TitleButton button in this) {
+ if (button == null || button.State == ButtonState.Inactive)
+ continue;
+
+ button.State = ButtonState.Normal;
+ }
+
+ ToolTipHide (true);
+ }
+ }
}