[client] wayland: clip desired guest cursor position

This avoids putting internal coordinates out of screen and causing cursor
spasms while dragging beyond the edge.
This commit is contained in:
Quantum 2021-01-16 23:28:44 -05:00 committed by Geoffrey McRae
parent d22124519e
commit d77da1ffc7

View File

@ -1201,12 +1201,25 @@ void app_handleMouseBasic()
if (g_cursor.guest.dpiScale == 0)
return;
double px = g_cursor.pos.x;
double py = g_cursor.pos.y;
if (px < g_state.dstRect.x)
px = g_state.dstRect.x;
else if (px > g_state.dstRect.x + g_state.dstRect.w)
px = g_state.dstRect.x + g_state.dstRect.w;
if (py < g_state.dstRect.y)
py = g_state.dstRect.y;
else if (py > g_state.dstRect.y + g_state.dstRect.h)
py = g_state.dstRect.y + g_state.dstRect.h;
/* translate the guests position to our coordinate space */
struct DoublePoint local;
guestCurToLocal(&local);
double lx = (g_cursor.pos.x - local.x) / g_cursor.dpiScale;
double ly = (g_cursor.pos.y - local.y) / g_cursor.dpiScale;
double lx = (px - local.x) / g_cursor.dpiScale;
double ly = (py - local.y) / g_cursor.dpiScale;
int x, y;
cursorToInt(lx, ly, &x, &y);