public static Rectangle GetStartMenuRect()
{
Rectangle screenRect = ScreenPixelHelper.GetScreenSize();
Rectangle waRect = ScreenPixelHelper.GetScreenWorkingArea();
//the taskbar might be located other than the bottom of the screen default
//But it doesn't matter since we are showing this overlay form
return(new Rectangle(0, waRect.Bottom, 48, screenRect.Bottom - waRect.Bottom)); //value measured with pixel ruler
}
public CursorOverlayForm()
{
InitializeComponent();
FormBorderStyle = FormBorderStyle.None;
this.Size = ScreenPixelHelper.GetScreenWorkingArea().Size;
User32.SetWindowPos(this.Handle, User32.HWND_TOPMOST, 0, 0, 0, 0, (User32.SWP_NOMOVE | User32.SWP_NOSIZE | User32.SWP_SHOWWINDOW));
UpArrowImage = Properties.Resources.uparrow;
DownArrowImage = Properties.Resources.downarrow;
Logger.WriteMsg("CursorOverlayForm instantiated.");
}
private void DockForm_Load(object sender, EventArgs e)
{
//1. Setup dock so that form window takes calculated user-amount of space on right side
int dockWidth = ScreenPixelHelper.ConvertMmToPixels(ConfigManager.dockFormMaxWidthMm);
//Calculate dock height
Rectangle wa = ScreenPixelHelper.GetScreenWorkingArea();
int dockHeight = wa.Height;
//calculate dock location
Point dockLocation = new Point(wa.Right - dockWidth, wa.Top);
this.Location = dockLocation;
this.Size = new Size(dockWidth, dockHeight);
this.BackColor = Color.Black;
//Add all the buttons for the dock
AddGazeButtons();
SetActiveGazeButton(GAZE_BUTTON_TYPE.NONE);
Logger.WriteMsg("About to register dockbar.");
//Now let's dock the window
RegisterDockbar();
}
public Point ClipToBox(Point gp)
{
//Check if LinkDict is not populated
if (ClippedBox == null)
{
if (!boxesInitComplete || boxes.Count < 1)
{
return(gp);
}
//We also want to make sure that the gp is not near the Windows Taskbar, otherwise have difficulty using start menu or switching applications
Rectangle workingArea = ScreenPixelHelper.GetScreenWorkingArea();
//We also want to make sure browser navigation buttons can be clicked comfortably
int topBar = 105;
if (gp.X < workingArea.Left || gp.X > workingArea.Right || gp.X < (workingArea.Top + topBar - 15) || gp.Y > workingArea.Bottom)
{
winzoomAvailable = true;
return(gp);
}
List <Box> nearby = new List <Box>();
nearby.AddRange(getNearBoxes(gp));
if (nearby.Count == 0)
{
winzoomAvailable = true;
return(gp);
}
if (nearby.Count == 1)//if no box around, we keep the cursor where it is
{
//We clip to the center of the clickable element
winzoomAvailable = false;
ClippedBox = nearby[0];
return(ClippedBox.center());
}
else
{
if (!CheckAllBoxesLargeEnough(nearby))
{
winzoomAvailable = true;
ClippedBox = null;
return(gp);
}
ClippedBox = findClosestBox(gp, nearby);//closest Box
winzoomAvailable = false;
return(ClippedBox.center());
}
}
else //box was previously clipped
{
/*
* if(no box around)
* ruturn ClippedBox.center or (-100,-100)either exit or stay
* else
* if GP is in direction of anotherBox
* return changeBox()
* else
* either exit or stay
*/
//no other box around, //exit
List <Box> otherNearby = getNearBoxes(gp);
if (otherNearby.Contains(ClippedBox))
{
otherNearby.Remove(ClippedBox);
} //remove the clipped box as it is itself
if (otherNearby.Count == 0)
{
return(StayOrExitBox(gp));
}
else
{
if (!CheckAllBoxesLargeEnough(otherNearby))
{
//must use winzoom and exit since we've approached a really small box, force exit from box
winzoomAvailable = true;
ClippedBox = null;
return(gp);
}
if (ClippedBox.ContainsPoint(gp))
{
return(ClippedBox.center());
}
//Check if gp is contained by any of the otherNearby boxes, and if so is it at least changeBoxPercThresh into it
foreach (Box b in otherNearby)
{
//If it's a large box then a few pixels should be enough to enter it... and for a small box use a small percentage of it
if (b.ContainsPointPercentageWithin(ClippedBox, gp, ConfigManager.cursorMagnetClippingChangeBoxIntoPerc) ||
b.ContainsPointPixelsWithin(ClippedBox, gp, ScreenPixelHelper.ConvertMmToPixels(ConfigManager.cursorMagnetClippingExitThresholdMm))
)
{
winzoomAvailable = false;
ClippedBox = b;
return(b.center());
}
}
//the gazepoint has not met the criteria for changing to a different box, see if it should stay or exit
return(StayOrExitBox(gp));
}
}
}
