[Linux] Improved mouse cursor behavior

This commit is contained in:
thefiddler 2014-07-17 11:20:01 +02:00
parent fd6ff962a1
commit 36bb366638
2 changed files with 25 additions and 5 deletions

View file

@ -255,7 +255,7 @@ namespace OpenTK.Platform.Linux
(int)Math.Round(CursorPosition.X + CursorOffset.X),
(int)Math.Round(CursorPosition.Y + CursorOffset.Y));
DisplayDevice display = DisplayDevice.FromPoint(p.X, p.Y);
DisplayDevice display = DisplayDevice.FromPoint(p.X, p.Y) ?? DisplayDevice.Default;
if (display != null)
{
LinuxDisplay d = (LinuxDisplay)display.Id;
@ -465,8 +465,8 @@ namespace OpenTK.Platform.Linux
}
CursorPosition = new Vector2(
MathHelper.Clamp(CursorPosition.X + delta.X, bounds.Left, bounds.Right),
MathHelper.Clamp(CursorPosition.Y + delta.Y, bounds.Top, bounds.Bottom));
MathHelper.Clamp(CursorPosition.X + delta.X, bounds.Left, bounds.Right - 1),
MathHelper.Clamp(CursorPosition.Y + delta.Y, bounds.Top, bounds.Bottom - 1));
UpdateCursor();
}

View file

@ -260,6 +260,7 @@ namespace OpenTK.Platform.Linux
MouseState ProcessMouse(MouseState mouse)
{
// Handle mouse buttons
for (MouseButton i = 0; i < MouseButton.LastButton; i++)
{
if (mouse[i] && !previous_mouse[i])
@ -273,11 +274,29 @@ namespace OpenTK.Platform.Linux
}
}
if (mouse.X != previous_mouse.X || mouse.Y != previous_mouse.Y)
// Handle mouse movement
{
OnMouseMove(mouse.X, mouse.Y);
int x = mouse.X;
int y = mouse.Y;
// Make sure the mouse cannot leave the GameWindow when captured
if (!CursorVisible)
{
x = MathHelper.Clamp(mouse.X, Bounds.Left, Bounds.Right - 1);
y = MathHelper.Clamp(mouse.X, Bounds.Top, Bounds.Bottom - 1);
if (x != mouse.X || y != mouse.Y)
{
Mouse.SetPosition(x, y);
}
}
if (X != previous_mouse.X || Y != previous_mouse.Y)
{
OnMouseMove(x, y);
}
}
// Handle mouse scroll
if (mouse.Scroll != previous_mouse.Scroll)
{
float dx = mouse.Scroll.X - previous_mouse.Scroll.X;
@ -285,6 +304,7 @@ namespace OpenTK.Platform.Linux
OnMouseWheel(dx, dy);
}
// Handle mouse focus
// Note: focus follows mouse. Literally.
bool cursor_in = Bounds.Contains(new Point(mouse.X, mouse.Y));
if (!cursor_in && Focused)