/// <summary>
/// The render method to draw this widget on the screen.
///
/// Called on the GUI thread.
/// </summary>
/// <param name="drawArgs">The drawing arguments passed from the WW GUI thread.</param>
public void Render(DrawArgs drawArgs)
{
if (!this.m_isInitialized)
{
this.Initialize(drawArgs);
}
if ((m_visible) && (m_enabled))
{
// Draw the interior background
JHU_Utilities.DrawBox(
this.AbsoluteLocation.X,
this.AbsoluteLocation.Y,
m_size.Width,
m_size.Height,
0.0f,
m_BackgroundColor.ToArgb(),
drawArgs.device);
m_sprite.Begin(SpriteFlags.AlphaBlend);
m_sprite.Transform = Matrix.Scaling(this.XScale, this.YScale, 0);
m_sprite.Transform *= Matrix.Translation(AbsoluteLocation.X + m_size.Width / 2, AbsoluteLocation.Y + m_size.Height / 2, 0);
m_sprite.Draw(m_iconTexture.Texture,
new Vector3(m_iconTexture.Width >> 1, m_iconTexture.Height >> 1, 0),
Vector3.Empty,
m_normalColor);
m_sprite.Transform = Matrix.Identity;
m_sprite.End();
UpdateCrosshair(drawArgs);
}
}
public string DMS()
{
StringBuilder retStr = new StringBuilder();
retStr.AppendFormat("Lat: {0}", JHU_Utilities.Degrees2DMS(this.Latitude, 'N', 'S'));
retStr.AppendFormat(" Lon: {0}", JHU_Utilities.Degrees2DMS(this.Longitude, 'E', 'W'));
retStr.AppendFormat(" Alt: {0:F0}", this.Altitude);
return(retStr.ToString());
}
/// <summary>
/// The render method to draw this widget on the screen.
///
/// Called on the GUI thread.
/// </summary>
/// <param name="drawArgs">The drawing arguments passed from the WW GUI thread.</param>
public void Render(DrawArgs drawArgs)
{
if ((!m_visible) || (!m_enabled))
{
return;
}
if (!m_isInitialized)
{
Initialize(drawArgs);
}
int widgetTop = this.Top;
int widgetBottom = this.Bottom;
int widgetLeft = this.Left;
int widgetRight = this.Right;
m_currHeaderHeight = 0;
#region Header Rendering
// If we should render the header
if (HeaderEnabled)
{
m_currHeaderHeight = m_headerHeight;
JHU_Utilities.DrawBox(
this.AbsoluteLocation.X,
this.AbsoluteLocation.Y,
m_size.Width,
m_currHeaderHeight,
0.0f,
m_HeaderColor.ToArgb(),
drawArgs.device);
Rectangle nameBounds = m_TitleFont.MeasureString(
null,
m_name,
DrawTextFormat.None,
0);
int widthLeft = m_size.Width;
m_TitleFont.DrawText(
null,
m_name,
new System.Drawing.Rectangle(this.AbsoluteLocation.X + 2, this.AbsoluteLocation.Y + 2, widthLeft, m_currHeaderHeight),
DrawTextFormat.None,
m_TextColor.ToArgb());
// if we don't render the body add whatever is in the text field as annotation
if (!m_renderBody)
{
widthLeft -= nameBounds.Width + 10;
if (widthLeft > 20)
{
m_TextFont.DrawText(
null,
Text,
new System.Drawing.Rectangle(this.AbsoluteLocation.X + 10 + nameBounds.Width, this.AbsoluteLocation.Y + 3, widthLeft, m_currHeaderHeight),
DrawTextFormat.None,
m_TextColor.ToArgb());
}
}
// Render border
m_OutlineVertsHeader[0].X = AbsoluteLocation.X;
m_OutlineVertsHeader[0].Y = AbsoluteLocation.Y;
m_OutlineVertsHeader[1].X = AbsoluteLocation.X + m_size.Width;
m_OutlineVertsHeader[1].Y = AbsoluteLocation.Y;
m_OutlineVertsHeader[2].X = AbsoluteLocation.X + m_size.Width;
m_OutlineVertsHeader[2].Y = AbsoluteLocation.Y + m_currHeaderHeight;
m_OutlineVertsHeader[3].X = AbsoluteLocation.X;
m_OutlineVertsHeader[3].Y = AbsoluteLocation.Y + m_currHeaderHeight;
m_OutlineVertsHeader[4].X = AbsoluteLocation.X;
m_OutlineVertsHeader[4].Y = AbsoluteLocation.Y;
JHU_Utilities.DrawLine(m_OutlineVertsHeader, m_BorderColor.ToArgb(), drawArgs.device);
}
#endregion
#region Body Rendering
if (m_renderBody)
{
// Draw the interior background
JHU_Utilities.DrawBox(
this.AbsoluteLocation.X,
this.AbsoluteLocation.Y + m_currHeaderHeight,
m_size.Width,
m_size.Height - m_currHeaderHeight,
0.0f,
m_BackgroundColor.ToArgb(),
drawArgs.device);
int childrenHeight = 0;
int childrenWidth = 0;
int bodyHeight = m_size.Height - m_currHeaderHeight;
int bodyWidth = m_size.Width;
getChildrenSize(out childrenHeight, out childrenWidth);
// Render each child widget
int bodyLeft = this.BodyLocation.X;
int bodyRight = this.BodyLocation.X + this.ClientSize.Width;
int bodyTop = this.BodyLocation.Y;
int bodyBottom = this.BodyLocation.Y + this.ClientSize.Height;
int childLeft = 0;
int childRight = 0;
int childTop = 0;
int childBottom = 0;
for (int index = m_ChildWidgets.Count - 1; index >= 0; index--)
{
jhuapl.util.IWidget currentChildWidget = m_ChildWidgets[index] as jhuapl.util.IWidget;
if (currentChildWidget != null)
{
if (currentChildWidget.ParentWidget == null || currentChildWidget.ParentWidget != this)
{
currentChildWidget.ParentWidget = this;
}
System.Drawing.Point childLocation = currentChildWidget.AbsoluteLocation;
// if any portion is visible try to render
childLeft = childLocation.X;
childRight = childLocation.X + currentChildWidget.WidgetSize.Width;
childTop = childLocation.Y;
childBottom = childLocation.Y + currentChildWidget.WidgetSize.Height;
if ((((childLeft >= bodyLeft) && (childLeft <= bodyRight)) ||
((childRight >= bodyLeft) && (childRight <= bodyRight)) ||
((childLeft <= bodyLeft) && (childRight >= bodyRight)))
&&
(((childTop >= bodyTop) && (childTop <= bodyBottom)) ||
((childBottom >= bodyTop) && (childBottom <= bodyBottom)) ||
((childTop <= bodyTop) && (childBottom >= bodyBottom)))
)
{
currentChildWidget.Visible = true;
currentChildWidget.Render(drawArgs);
}
else
{
currentChildWidget.Visible = false;
}
}
}
m_OutlineVerts[0].X = AbsoluteLocation.X;
m_OutlineVerts[0].Y = AbsoluteLocation.Y + m_currHeaderHeight;
m_OutlineVerts[1].X = AbsoluteLocation.X + m_size.Width;
m_OutlineVerts[1].Y = AbsoluteLocation.Y + m_currHeaderHeight;
m_OutlineVerts[2].X = AbsoluteLocation.X + m_size.Width;
m_OutlineVerts[2].Y = AbsoluteLocation.Y + m_size.Height;
m_OutlineVerts[3].X = AbsoluteLocation.X;
m_OutlineVerts[3].Y = AbsoluteLocation.Y + m_size.Height;
m_OutlineVerts[4].X = AbsoluteLocation.X;
m_OutlineVerts[4].Y = AbsoluteLocation.Y + m_currHeaderHeight;
JHU_Utilities.DrawLine(m_OutlineVerts, m_BorderColor.ToArgb(), drawArgs.device);
}
#endregion
}
/// <summary>
/// Specialized render for tree nodes
/// </summary>
/// <param name="drawArgs"></param>
/// <param name="xOffset">The offset from the left based on how deep this node is nested</param>
/// <param name="yOffset">The offset from the top based on how many treenodes are above this one</param>
/// <returns>Total pixels consumed by this widget and its children</returns>
public override int Render(DrawArgs drawArgs, int xOffset, int yOffset)
{
m_ConsumedSize.Height = 0;
if (m_visible)
{
if (!m_isInitialized)
{
this.Initialize(drawArgs);
}
m_ConsumedSize.Height = NODE_HEIGHT;
// This value is dynamic based on the number of expanded nodes above this one
m_location.Y = yOffset;
// store this value so the mouse events can figure out where the buttons are
m_xOffset = xOffset;
// compute the color
int color = this.Enabled ? m_itemOnColor : m_itemOffColor;
// create the bounds of the text draw area
Rectangle bounds = new Rectangle(this.AbsoluteLocation, new System.Drawing.Size(this.ClientSize.Width, NODE_HEIGHT));
if (m_isMouseOver)
{
if (!Enabled)
{
color = m_mouseOverOffColor;
}
JHU_Utilities.DrawBox(
bounds.X,
bounds.Y,
bounds.Width,
bounds.Height,
0.0f,
m_mouseOverColor,
drawArgs.device);
}
#region Draw arrow
bounds.X = this.AbsoluteLocation.X + xOffset;
bounds.Width = NODE_ARROW_SIZE;
// draw arrow if any children
if (m_subNodes.Count > 0)
{
m_worldwinddingsFont.DrawText(
null,
(this.m_isExpanded ? "L" : "A"),
bounds,
DrawTextFormat.None,
color);
}
#endregion Draw arrow
#region Draw checkbox
bounds.Width = NODE_CHECKBOX_SIZE;
bounds.X += NODE_ARROW_SIZE;
// Normal check symbol
string checkSymbol;
if (m_isRadioButton)
{
checkSymbol = this.IsChecked ? "O" : "P";
}
else
{
checkSymbol = this.IsChecked ? "N" : "F";
}
m_worldwinddingsFont.DrawText(
null,
checkSymbol,
bounds,
DrawTextFormat.NoClip,
color);
#endregion draw checkbox
#region Draw name
// compute the length based on name length
// TODO: Do this only when the name changes
Rectangle stringBounds = drawArgs.defaultDrawingFont.MeasureString(null, Name, DrawTextFormat.NoClip, 0);
m_size.Width = NODE_ARROW_SIZE + NODE_CHECKBOX_SIZE + 5 + stringBounds.Width;
m_ConsumedSize.Width = m_size.Width;
bounds.Y += 2;
bounds.X += NODE_CHECKBOX_SIZE + 5;
bounds.Width = stringBounds.Width;
drawArgs.defaultDrawingFont.DrawText(
null,
Name,
bounds,
DrawTextFormat.None,
color);
#endregion Draw name
if (m_isExpanded)
{
int newXOffset = xOffset + NODE_INDENT;
for (int i = 0; i < m_subNodes.Count; i++)
{
if (m_subNodes[i] is JHU_TreeNodeWidget)
{
m_ConsumedSize.Height += ((JHU_TreeNodeWidget)m_subNodes[i]).Render(drawArgs, newXOffset, m_ConsumedSize.Height);
}
else
{
System.Drawing.Point newLocation = m_subNodes[i].Location;
newLocation.Y = m_ConsumedSize.Height;
newLocation.X = newXOffset;
m_ConsumedSize.Height += m_subNodes[i].WidgetSize.Height;
m_subNodes[i].Location = newLocation;
m_subNodes[i].Render(drawArgs);
// render normal widgets as a stack of widgets
}
// if the child width is bigger than my width save it as the consumed width for widget size calculations
if (m_subNodes[i].WidgetSize.Width + newXOffset > m_ConsumedSize.Width)
{
m_ConsumedSize.Width = m_subNodes[i].WidgetSize.Width + newXOffset;
}
}
}
}
return(m_ConsumedSize.Height);
}