/// <summary>
/// Adds a font to the resource manager
/// </summary>
public int AddFont(string faceName, uint height, FontWeight weight)
{
// See if this font exists
for (int i = 0; i < _fontCache.Count; i++)
{
FontNode fn = _fontCache[i];
if ((string.Compare(fn.FaceName, faceName, StringComparison.OrdinalIgnoreCase) == 0) &&
fn.Height == height &&
fn.Weight == weight)
{
// Found it
return(i);
}
}
// Doesn't exist, add a new one and try to create it
var newNode = new FontNode {
FaceName = faceName, Height = height, Weight = weight
};
_fontCache.Add(newNode);
int fontIndex = _fontCache.Count - 1;
// If a device is available, try to create immediately
if (Engine != null)
{
CreateFont(fontIndex);
}
return(fontIndex);
}
/// <summary>Update the rectangles for the list box control</summary>
protected override void UpdateRectangles()
{
// Get bounding box
base.UpdateRectangles();
// Calculate the size of the selection rectangle
selectionRect = boundingBox;
selectionRect.Width -= scrollWidth;
selectionRect.Inflate(-border, -border);
textRect = selectionRect;
textRect.Inflate(-margin, 0);
// Update the scroll bars rects too
scrollbarControl.SetLocation(boundingBox.Right - scrollWidth, boundingBox.Top);
scrollbarControl.SetSize(scrollWidth, height);
FontNode fNode = parentDialog.DialogManager.GetFontNode((int)elementList[0].FontIndex);
if ((fNode != null) && (fNode.Height > 0))
{
scrollbarControl.PageSize = (int)(textRect.Height / fNode.Height);
// The selected item may have been scrolled off the page.
// Ensure that it is in page again.
scrollbarControl.ShowItem(selectedIndex);
}
}
/// <summary>
/// Creates a font
/// </summary>
public void CreateFont(int font)
{
// Get the font node here
FontNode fn = GetFontNode(font);
if (fn.Font != null)
{
fn.Font.Dispose(); // Get rid of this
}
// Create the new font
fn.Font = new Font(Engine.Device, (int)fn.Height, 0, fn.Weight, 1, false, CharacterSet.Default,
// ReSharper disable BitwiseOperatorOnEnumWihtoutFlags
Precision.Default, FontQuality.Default, PitchAndFamily.Default | PitchAndFamily.DontCare, fn.FaceName);
// ReSharper restore BitwiseOperatorOnEnumWihtoutFlags
}
/// <summary>Update the rectangles for the dropdown list control</summary>
protected override void UpdateRectangles()
{
// Get bounding box
base.UpdateRectangles();
// Update the bounding box for the items
buttonRect = new Rectangle(boundingBox.Right - boundingBox.Height, boundingBox.Top,
boundingBox.Height, boundingBox.Height);
textRect = boundingBox;
textRect.Size = new Size(textRect.Width - buttonRect.Width, textRect.Height);
dropDownRect = textRect;
dropDownRect.Offset(0, (int)(0.9f * textRect.Height));
dropDownRect.Size = new Size(dropDownRect.Width - scrollWidth, dropDownRect.Height + dropHeight);
// Scale it down slightly
Point loc = dropDownRect.Location;
Size size = dropDownRect.Size;
loc.X += (int)(0.1f * dropDownRect.Width);
loc.Y += (int)(0.1f * dropDownRect.Height);
size.Width -= (2 * (int)(0.1f * dropDownRect.Width));
size.Height -= (2 * (int)(0.1f * dropDownRect.Height));
dropDownTextRect = new Rectangle(loc, size);
// Update the scroll bars rects too
scrollbarControl.SetLocation(dropDownRect.Right, dropDownRect.Top + 2);
scrollbarControl.SetSize(scrollWidth, dropDownRect.Height - 2);
FontNode fNode = parentDialog.DialogManager.GetFontNode(
(int)(elementList[2]).FontIndex);
if ((fNode != null) && (fNode.Height > 0))
{
scrollbarControl.PageSize = (int)(dropDownTextRect.Height / fNode.Height);
// The selected item may have been scrolled off the page.
// Ensure that it is in page again.
scrollbarControl.ShowItem(selectedIndex);
}
}
/// <summary>Called when the control should be rendered</summary>
public override void Render(Device device, float elapsedTime)
{
var state = ControlState.Normal;
if (!isComboOpen)
{
state = ControlState.Hidden;
}
// Dropdown box
Element e = elementList[DropdownLayer];
// If we have not initialized the scroll bar page size,
// do that now.
if (!isScrollBarInit)
{
FontNode fNode = parentDialog.DialogManager.GetFontNode((int)e.FontIndex);
if ((fNode != null) && (fNode.Height > 0))
{
scrollbarControl.PageSize = (int)(dropDownTextRect.Height / fNode.Height);
}
else
{
scrollbarControl.PageSize = dropDownTextRect.Height;
}
isScrollBarInit = true;
}
if (isComboOpen)
{
using (new ProfilerEvent(() => "Render GUI control: " + scrollbarControl))
scrollbarControl.Render(device, elapsedTime);
}
// Blend current color
e.TextureColor.Blend(state, elapsedTime);
e.FontColor.Blend(state, elapsedTime);
parentDialog.DrawSprite(e, dropDownRect);
// Selection outline
Element selectionElement = elementList[SelectionLayer];
selectionElement.TextureColor.Current = e.TextureColor.Current;
selectionElement.FontColor.Current = selectionElement.FontColor.States[(int)ControlState.Normal];
FontNode font = parentDialog.DialogManager.GetFontNode((int)e.FontIndex);
int currentY = dropDownTextRect.Top;
int remainingHeight = dropDownTextRect.Height;
for (int i = scrollbarControl.TrackPosition; i < itemList.Count; i++)
{
ListItem cbi = itemList[i];
// Make sure there's room left in the dropdown
remainingHeight -= (int)font.Height;
if (remainingHeight < 0)
{
// Not visible, store that item
cbi.IsItemVisible = false;
itemList[i] = cbi; // Store this back in list
continue;
}
cbi.ItemRect = new Rectangle(dropDownTextRect.Left, currentY,
dropDownTextRect.Width, (int)font.Height);
cbi.IsItemVisible = true;
currentY += (int)font.Height;
itemList[i] = cbi; // Store this back in list
if (isComboOpen)
{
if (focusedIndex == i)
{
var rect = new Rectangle(
dropDownRect.Left, cbi.ItemRect.Top - 2, dropDownRect.Width,
cbi.ItemRect.Height + 4);
parentDialog.DrawSprite(selectionElement, rect);
parentDialog.DrawText(cbi.ItemText, selectionElement, cbi.ItemRect);
}
else
{
parentDialog.DrawText(cbi.ItemText, e, cbi.ItemRect);
}
}
}
int offsetX = 0;
int offsetY = 0;
state = ControlState.Normal;
if (IsVisible == false)
{
state = ControlState.Hidden;
}
else if (IsEnabled == false)
{
state = ControlState.Disabled;
}
else if (isPressed)
{
state = ControlState.Pressed;
offsetX = 1;
offsetY = 2;
}
else if (isMouseOver)
{
state = ControlState.MouseOver;
offsetX = -1;
offsetY = -2;
}
else if (hasFocus)
{
state = ControlState.Focus;
}
float blendRate = (state == ControlState.Pressed) ? 0.0f : 0.8f;
// Button
e = elementList[ComboButtonLayer];
// Blend current color
e.TextureColor.Blend(state, elapsedTime, blendRate);
Rectangle windowRect = buttonRect;
windowRect.Offset(offsetX, offsetY);
// Draw sprite
parentDialog.DrawSprite(e, windowRect);
if (isComboOpen)
{
state = ControlState.Pressed;
}
// Main text box
e = elementList[MainLayer];
// Blend current color
e.TextureColor.Blend(state, elapsedTime, blendRate);
e.FontColor.Blend(state, elapsedTime, blendRate);
// Draw sprite
parentDialog.DrawSprite(e, textRect);
if (selectedIndex >= 0 && selectedIndex < itemList.Count)
{
try
{
ListItem cbi = itemList[selectedIndex];
parentDialog.DrawText(cbi.ItemText, e, new Rectangle(
new Point(textRect.Left + 5, textRect.Top),
new Size(textRect.Width - 10, textRect.Height)));
}
catch (ArgumentOutOfRangeException)
{} // Ignore
}
}
