protected int CalcGroupHeight(ActionMenuGroup oGroup)
{
if (oGroup.Expanded == false)
return 23;
int nHeight = 28;
foreach (ActionMenuItem oItem in oGroup.Items)
{
if (oItem.Text == "-")
nHeight += 3;
else
nHeight += 20;
}
return nHeight;
}
public ActionMenuItem AddMenuItem(ActionMenuGroup oGroup, string sItem)
{
ActionMenuItem oItem = new ActionMenuItem();
oItem.Text = sItem;
oItem.MenuGroup = oGroup;
oGroup.Items.Add(oItem);
return oItem;
}
public void Show(int nX, int nY)
{
// Decide if we need layered windows
m_bLayered = (m_bSupportsLayered);
CreateParams cp = new CreateParams();
// Any old title will do as it will not be shown
cp.Caption = "PureComponents.ActionMenu";
RecalcLayout();
// get the max screen size. if the nX + Width or nY + Height is bigger than the area, them move it elsewhere and recalculate the
// position
Screen oScreen = Screen.FromHandle(this.Handle);
if (nX + m_oCurrentSize.Width > oScreen.Bounds.Width)
nX = oScreen.Bounds.Width - m_oCurrentSize.Width;
if (nY + m_oCurrentSize.Height > oScreen.Bounds.Height)
nY = oScreen.Bounds.Height - m_oCurrentSize.Height;
// set the position
m_oScreenPos = new Point(nX, nY);
Size winSize = m_oCurrentSize;
Point screenPos = m_oScreenPos;
// Define the screen position/size
cp.X = nX;
cp.Y = nY;
cp.Height = winSize.Height;
cp.Width = winSize.Width;
// As a top-level window it has no parent
cp.Parent = IntPtr.Zero;
// Appear as a top-level window
cp.Style = unchecked((int)(uint)WindowStyles.WS_POPUP);
// Set styles so that it does not have a caption bar and is above all other
// windows in the ZOrder, i.e. TOPMOST
cp.ExStyle = (int)WindowExStyles.WS_EX_TOPMOST +
(int)WindowExStyles.WS_EX_TOOLWINDOW;
// OS specific style
if (m_bLayered)
{
// If not on NT then we are going to use alpha blending on the shadow border
// and so we need to specify the layered window style so the OS can handle it
cp.ExStyle += (int)WindowExStyles.WS_EX_LAYERED;
}
// Create the actual window
if (this.Handle == IntPtr.Zero)
this.CreateHandle(cp);
// Remember the correct screen drawing details
m_oCurrentSize = winSize;
m_oCurrentPoint = screenPos;
// Update the image for display
if (m_bLayered)
UpdateLayeredWindow();
// Show the window without activating it (i.e. do not take focus)
User32.ShowWindow(this.Handle, (short)ShowWindowStyles.SW_SHOWNOACTIVATE);
MSG msg = new MSG();
bool _exitLoop = false;
// POINT lastMousePoint;
while(!_exitLoop)
{
// Suspend thread until a windows message has arrived
if (User32.WaitMessage())
{
// Take a peek at the message details without removing from queue
while(!_exitLoop && User32.PeekMessage(ref msg, 0, 0, 0, (int)PeekMessageFlags.PM_NOREMOVE))
{
// test if the mouse up is in the area of the menu
int localWidth = m_oCurrentSize.Width - m_aPosition[0, (int)PaintItem.SW];
int localHeight = m_oCurrentSize.Height - m_aPosition[0, (int)PaintItem.SH];
bool eatMessage = false;
#region mouse move
if (msg.message == (int)Msgs.WM_MOUSEMOVE)
{
POINT screenPosMsg = MousePositionToScreen(msg);
// Is the POINT inside the Popup window rectangle
if ((screenPosMsg.x >= m_oCurrentPoint.X) && (screenPosMsg.x <= (m_oCurrentPoint.X + localWidth)) &&
(screenPosMsg.y >= m_oCurrentPoint.Y) && (screenPosMsg.y <= (m_oCurrentPoint.Y + localHeight)))
{
eatMessage = true;
OnWM_MOUSEMOVE(screenPosMsg.x, screenPosMsg.y);
if (m_oHighlightedGroup != null)
User32.SetCursor(User32.LoadCursor(IntPtr.Zero, (uint)Cursors.IDC_HAND));
else
User32.SetCursor(User32.LoadCursor(IntPtr.Zero, (uint)Cursors.IDC_ARROW));
}
else
{
if (m_bDrag == true)
{
OnWM_MOUSEMOVE(screenPosMsg.x, screenPosMsg.y);
}
else
{
// clear selection and redraw the window
if (m_oSelectedItem != null)
{
m_oSelectedItem.Selected = false;
m_oSelectedItem = null;
RecalcLayout();
Invalidate();
}
if (m_oHighlightedGroup != null)
{
m_oHighlightedGroup = null;
RecalcLayout();
Invalidate();
}
if (m_bExpandCollapseStrafeSelect == true)
{
m_bExpandCollapseStrafeSelect = false;
RecalcLayout();
Invalidate();
}
if (User32.GetMessage(ref msg, 0, 0, 0))
{
User32.TranslateMessage(ref msg);
User32.DispatchMessage(ref msg);
}
}
}
}
#endregion
#region left button up
if (msg.message == (int)Msgs.WM_LBUTTONUP)
{
POINT screenPosMsg = MousePositionToScreen(msg);
m_bDrag = false;
// Is the POINT inside the Popup window rectangle
if ((screenPosMsg.x >= m_oCurrentPoint.X) && (screenPosMsg.x <= (m_oCurrentPoint.X + localWidth)) &&
(screenPosMsg.y >= m_oCurrentPoint.Y) && (screenPosMsg.y <= (m_oCurrentPoint.Y + localHeight)))
{
eatMessage = true;
POINT localPoint = MousePositionToClient(screenPosMsg);
if (OnWM_LBUTTONUP(localPoint.x, localPoint.y) == true)
{
Hide();
return;
}
}
else
{
Hide();
_exitLoop = true;
if (User32.GetMessage(ref msg, 0, 0, 0))
{
User32.TranslateMessage(ref msg);
User32.DispatchMessage(ref msg);
}
}
}
#endregion
#region mouse click events
if ((msg.message == (int)Msgs.WM_MBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_RBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_XBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_NCLBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_NCMBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_NCRBUTTONDOWN) ||
(msg.message == (int)Msgs.WM_NCXBUTTONDOWN))
{
POINT screenPosMsg = MousePositionToScreen(msg);
// Is the POINT inside the Popup window rectangle
if ((screenPosMsg.x >= m_oCurrentPoint.X) && (screenPosMsg.x <= (m_oCurrentPoint.X + localWidth)) &&
(screenPosMsg.y >= m_oCurrentPoint.Y) && (screenPosMsg.y <= (m_oCurrentPoint.Y + localHeight)))
{
eatMessage = true;
// if it is the left mouse then check the drag
if (msg.message != (int)Msgs.WM_RBUTTONDOWN && msg.message != (int)Msgs.WM_MBUTTONDOWN)
{
// check if it is in the header, if yes, start the dragging mode
if ((screenPosMsg.x >= m_oCurrentPoint.X) && (screenPosMsg.x <= (m_oCurrentPoint.X + localWidth)) &&
(screenPosMsg.y >= m_oCurrentPoint.Y) && (screenPosMsg.y <= (m_oCurrentPoint.Y + 10)))
{
m_bDrag = true;
}
else
m_bDrag = false;
}
}
else
{
m_bDrag = false;
Hide();
_exitLoop = true;
if (User32.GetMessage(ref msg, 0, 0, 0))
{
User32.TranslateMessage(ref msg);
User32.DispatchMessage(ref msg);
}
}
}
#endregion
#region key press
if (msg.message == (int)Msgs.WM_KEYDOWN)
{
switch((int)msg.wParam)
{
case (int)VirtualKeys.VK_ESCAPE:
Hide();
return;
}
}
#endregion
if (eatMessage == true)
{
MSG eat = new MSG();
User32.GetMessage(ref eat, 0, 0, 0);
eatMessage = false;
}
else
{
if (User32.GetMessage(ref msg, 0, 0, 0))
{
User32.TranslateMessage(ref msg);
User32.DispatchMessage(ref msg);
}
}
}
}
}
}
public void RemoveMenuGroup(ActionMenuGroup oGroup)
{
m_aGroups.Remove(oGroup);
RecalcLayout();
Invalidate();
}
public ActionMenuGroup AddMenuGroup(string sGroup)
{
ActionMenuGroup oGroup = new ActionMenuGroup();
oGroup.Title = sGroup;
m_aGroups.Add(oGroup);
RecalcLayout();
Invalidate();
return oGroup;
}
protected void OnWM_MOUSEMOVE(int xPos, int yPos)
{
// Convert from screen to client coordinates
xPos -= m_oCurrentPoint.X;
yPos -= m_oCurrentPoint.Y;
Point pos = new Point(xPos, yPos);
// Yes, we know the mouse is over window
m_bMouseOver = true;
if (m_bDrag == true)
{
m_oCurrentPoint = new Point(m_oCurrentPoint.X - (m_oLastMousePos.X - xPos), m_oCurrentPoint.Y - (m_oLastMousePos.Y - yPos));
// get the max screen size. if the nX + Width or nY + Height is bigger than the area,
// them move it elsewhere and recalculate the position
Screen oScreen = Screen.FromHandle(this.Handle);
if (m_oCurrentPoint.X + m_oCurrentSize.Width > oScreen.Bounds.Width)
m_oCurrentPoint.X = oScreen.Bounds.Width - m_oCurrentSize.Width;
if (m_oCurrentPoint.Y + m_oCurrentSize.Height > oScreen.Bounds.Height)
m_oCurrentPoint.Y = oScreen.Bounds.Height - m_oCurrentSize.Height;
RecalcLayout();
Invalidate();
return;
}
int localWidth = m_oCurrentSize.Width - m_aPosition[0, (int)PaintItem.SW];
// Has mouse position really changed since last time?
if (m_oLastMousePos != pos)
{
foreach (Rectangle oRect in m_mapRect2GroupBox.Keys)
{
if (oRect.Contains(pos) == true)
{
ActionMenuGroup oGroup = m_mapRect2GroupBox[oRect] as ActionMenuGroup;
if (m_oHighlightedGroup != oGroup)
{
m_oHighlightedGroup = oGroup;
RecalcLayout();
Invalidate();
if (Cursor.Current != System.Windows.Forms.Cursors.Hand)
Cursor.Current = System.Windows.Forms.Cursors.Hand;
}
return;
}
}
foreach (Rectangle oRect in m_mapRect2Item.Keys)
{
if (oRect.Contains(pos) == true)
{
ActionMenuItem oItem = m_mapRect2Item[oRect] as ActionMenuItem;
if (oItem.Selected == true)
return;
if (m_oSelectedItem != null)
m_oSelectedItem.Selected = false;
oItem.Selected = true;
m_oSelectedItem = oItem;
m_oHighlightedGroup = null;
RecalcLayout();
Invalidate();
return;
}
}
Rectangle oCloseRect = new Rectangle(localWidth - 15, 3, 11, 10);
if (oCloseRect.Contains(pos) == true)
{
Cursor.Current = System.Windows.Forms.Cursors.Hand;
return;
}
if (m_oSelectedItem != null)
{
m_oSelectedItem.Selected = false;
m_oSelectedItem = null;
RecalcLayout();
Invalidate();
}
if (m_oHighlightedGroup != null)
{
m_oHighlightedGroup = null;
RecalcLayout();
Invalidate();
}
if (m_bExpandCollapseStrafeSelect == true)
{
m_bExpandCollapseStrafeSelect = false;
RecalcLayout();
Invalidate();
}
}
// Remember for next time around
m_oLastMousePos = pos;
}
private void PaintGroupExpanded(ActionMenuGroup oGroup, Graphics oGraphics, ref int nY)
{
Brush oBrush;
Rectangle main = new Rectangle(0, 0,
m_oCurrentSize.Width - 1 - m_aPosition[(int)0, (int)PaintItem.SW],
m_oCurrentSize.Height - 1 - m_aPosition[(int)0, (int)PaintItem.SH]);
if (m_oHighlightedGroup == oGroup)
oBrush = new SolidBrush(Color.FromArgb(0x8A, 0x6E, 0x5D));
else
oBrush = new SolidBrush(m_oBorderColor);
oGraphics.FillRectangle(oBrush, 2, nY, main.Width - 3, 18);
oGraphics.DrawString(oGroup.Title, Font, Brushes.White, 5, nY + 2);
oBrush.Dispose();
Pen oPen = new Pen(m_oSelectColor, 1);
oGraphics.DrawLine(oPen, main.Width - 12, nY + 5, main.Width - 11, nY + 5);
oGraphics.DrawLine(oPen, main.Width - 13, nY + 6, main.Width - 12, nY + 6);
oGraphics.DrawLine(oPen, main.Width - 11, nY + 6, main.Width - 10, nY + 6);
oGraphics.DrawLine(oPen, main.Width - 14, nY + 7, main.Width - 13, nY + 7);
oGraphics.DrawLine(oPen, main.Width - 10, nY + 7, main.Width - 9, nY + 7);
oGraphics.DrawLine(oPen, main.Width - 15, nY + 8, main.Width - 14, nY + 8);
oGraphics.DrawLine(oPen, main.Width - 9, nY + 8, main.Width - 8, nY + 8);
oGraphics.DrawLine(oPen, main.Width - 12, nY + 8, main.Width - 11, nY + 8);
oGraphics.DrawLine(oPen, main.Width - 13, nY + 9, main.Width - 12, nY + 9);
oGraphics.DrawLine(oPen, main.Width - 11, nY + 9, main.Width - 10, nY + 9);
oGraphics.DrawLine(oPen, main.Width - 14, nY + 10, main.Width - 13, nY + 10);
oGraphics.DrawLine(oPen, main.Width - 10, nY + 10, main.Width - 9, nY + 10);
oGraphics.DrawLine(oPen, main.Width - 15, nY + 11, main.Width - 14, nY + 11);
oGraphics.DrawLine(oPen, main.Width - 9, nY + 11, main.Width - 8, nY + 11);
oPen.Dispose();
Rectangle oRect = new Rectangle(3, nY, main.Width - 6, 18);
m_mapGroupBox2Rect.Add(oGroup, oRect);
m_mapRect2GroupBox.Add(oRect, oGroup);
nY += 5;
foreach (ActionMenuItem oItem in oGroup.Items)
{
if (oItem.Selected == true)
{
SolidBrush oInnerBrush = new SolidBrush(Color.FromArgb(0x80, 0x80, 0x80));
oGraphics.FillRectangle(oInnerBrush, 2, nY + 17, main.Width - 3, 20);
oInnerBrush.Color = Color.FromArgb(0xBF, 0xBF, 0xFF);
oGraphics.FillRectangle(oInnerBrush, 3, nY + 18, main.Width - 5, 18);
oInnerBrush.Dispose();
}
if (oItem.Text == "-")
{
oPen = new Pen(m_oBorderColor);
oPen.DashStyle = DashStyle.Dot;
oGraphics.DrawLine(oPen, 5, nY + 18, main.Width - 5, nY + 18);
oPen.Dispose();
nY += 3;
}
else
{
oGraphics.DrawString(oItem.Text, Font, Brushes.Black, 5, nY + 20);
oRect = new Rectangle(10, nY + 17, main.Width - 20, 20);
m_mapItem2Rect.Add(oItem, oRect);
m_mapRect2Item.Add(oRect, oItem);
nY += 20;
}
}
nY += 23;
}
private void PaintGroupClosed(ActionMenuGroup oGroup, Graphics oGraphics, ref int nY)
{
Brush oBrush;
Rectangle main = new Rectangle(0, 0,
m_oCurrentSize.Width - 1 - m_aPosition[(int)0, (int)PaintItem.SW],
m_oCurrentSize.Height - 1 - m_aPosition[(int)0, (int)PaintItem.SH]);
if (m_oHighlightedGroup == oGroup)
oBrush = new SolidBrush(Color.FromArgb(0x8A, 0x6E, 0x5D));
else
oBrush = new SolidBrush(m_oBorderColor);
oGraphics.FillRectangle(oBrush, 2, nY, main.Width - 3, 18);
oGraphics.DrawString(oGroup.Title, Font, Brushes.White, 5, nY + 2);
oBrush.Dispose();
Pen oPen = new Pen(m_oSelectColor, 1);
oGraphics.DrawLine(oPen, main.Width - 15, nY + 5, main.Width - 14, nY + 5);
oGraphics.DrawLine(oPen, main.Width - 14, nY + 6, main.Width - 13, nY + 6);
oGraphics.DrawLine(oPen, main.Width - 13, nY + 7, main.Width - 12, nY + 7);
oGraphics.DrawLine(oPen, main.Width - 12, nY + 8, main.Width - 11, nY + 8);
oGraphics.DrawLine(oPen, main.Width - 11, nY + 7, main.Width - 10, nY + 7);
oGraphics.DrawLine(oPen, main.Width - 10, nY + 6, main.Width - 9, nY + 6);
oGraphics.DrawLine(oPen, main.Width - 9, nY + 5, main.Width - 8, nY + 5);
oGraphics.DrawLine(oPen, main.Width - 15, nY + 8, main.Width - 14, nY + 8);
oGraphics.DrawLine(oPen, main.Width - 14, nY + 9, main.Width - 13, nY + 9);
oGraphics.DrawLine(oPen, main.Width - 13, nY + 10, main.Width - 12, nY + 10);
oGraphics.DrawLine(oPen, main.Width - 12, nY + 11, main.Width - 11, nY + 11);
oGraphics.DrawLine(oPen, main.Width - 11, nY + 10, main.Width - 10, nY + 10);
oGraphics.DrawLine(oPen, main.Width - 10, nY + 9, main.Width - 9, nY + 9);
oGraphics.DrawLine(oPen, main.Width - 9, nY + 8, main.Width - 8, nY + 8);
oPen.Dispose();
Rectangle oRect = new Rectangle(1, nY, main.Width - 2, 18);
m_mapGroupBox2Rect.Add(oGroup, oRect);
m_mapRect2GroupBox.Add(oRect, oGroup);
nY += 23;
}