rootston: remove broken rotated pointer constraint handling
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@ -314,19 +314,14 @@ void roots_cursor_handle_motion(struct roots_cursor *cursor,
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struct roots_view *view = cursor->pointer_view->view;
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assert(view);
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double center_x = view->x + view->width / 2.;
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double center_y = view->y + view->height / 2.;
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// TODO: handle rotated views
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if (view->rotation == 0.0) {
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double lx1 = cursor->cursor->x;
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double ly1 = cursor->cursor->y;
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double lx2 = lx1 + dx;
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double ly2 = ly1 + dy;
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// Optimization for most common case.
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// This also makes sure that we don't encounter
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// precision bugs in the most common case.
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if (view->rotation == 0.0) {
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double sx1 = lx1 - view->x;
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double sy1 = ly1 - view->y;
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@ -334,35 +329,13 @@ void roots_cursor_handle_motion(struct roots_cursor *cursor,
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double sy2 = ly2 - view->y;
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double sx2_confined, sy2_confined;
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if (!wlr_region_confine(&cursor->confine, sx1, sy1, sx2, sy2, &sx2_confined, &sy2_confined)) {
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if (!wlr_region_confine(&cursor->confine, sx1, sy1, sx2, sy2,
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&sx2_confined, &sy2_confined)) {
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return;
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}
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dx = sx2_confined - sx1;
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dy = sy2_confined - sy1;
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} else {
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assert(false);
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double c = cos(view->rotation);
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double s = sin(view->rotation);
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double sx1 = c * (lx1 - center_x) - s * (ly1 - center_y) + view->width / 2.;
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double sy1 = s * (lx1 - center_x) + c * (ly1 - center_y) + view->height / 2.;
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double sx2 = c * (lx2 - center_x) - s * (ly2 - center_y) + view->width / 2.;
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double sy2 = s * (lx2 - center_x) + c * (ly2 - center_y) + view->height / 2.;
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double sx2_confined, sy2_confined;
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if (!wlr_region_confine(&cursor->confine, sx1, sy1, sx2, sy2, &sx2_confined, &sy2_confined)) {
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return;
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}
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// avoid NaNs
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double fraction = (sx2 - sx1) > (sy2 - sy1) ?
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(sx2_confined - sx1) / (sx2 - sx1) :
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(sy2_confined - sy1) / (sy2 - sy1);
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dx *= fraction;
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dy *= fraction;
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}
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}
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