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Fix Mouse.getDX() and Mouse.getDY() values when mouse moves outside Display window & clipping is on. Thanks to ra4king for patch.

This commit is contained in:
kappa1 2012-05-13 12:11:12 +00:00
parent af599805e4
commit 5f1efa0de3
1 changed files with 19 additions and 9 deletions
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28
src/java/org/lwjgl/input/Mouse.java
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@ -77,6 +77,12 @@ public class Mouse {
/** Mouse absolute Y position in pixels */
private static int y;
/** Mouse absolute X position in pixels without any clipping */
private static int absolute_x;
/** Mouse absolute Y position in pixels without any clipping */
private static int absolute_y;
/** Buffer to hold the deltas dx, dy and dwheel */
private static IntBuffer coord_buffer;
@ -355,17 +361,21 @@ public class Mouse {
dy += poll_coord2;
x += poll_coord1;
y += poll_coord2;
absolute_x += poll_coord1;
absolute_y += poll_coord2;
} else {
dx = poll_coord1 - x;
dy = poll_coord2 - y;
x = poll_coord1;
y = poll_coord2;
dx = poll_coord1 - absolute_x;
dy = poll_coord2 - absolute_y;
absolute_x = x = poll_coord1;
absolute_y = y = poll_coord2;
}
if(clipMouseCoordinatesToWindow) {
x = Math.min(Display.getWidth() - 1, Math.max(0, x));
y = Math.min(Display.getHeight() - 1, Math.max(0, y));
}
dwheel += poll_dwheel;
if(clipMouseCoordinatesToWindow) {
x = Math.min(Display.getWidth() - 1, Math.max(0, x));
y = Math.min(Display.getHeight() - 1, Math.max(0, y));
}
dwheel += poll_dwheel;
read();
}
}