diff options
Diffstat (limited to 'scene/gui/graph_edit.cpp')
| -rw-r--r-- | scene/gui/graph_edit.cpp | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp index 946a8c47a3..da52fb39e0 100644 --- a/scene/gui/graph_edit.cpp +++ b/scene/gui/graph_edit.cpp @@ -964,6 +964,19 @@ void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) { emit_signal("delete_nodes_request"); accept_event(); } + + Ref<InputEventMagnifyGesture> magnify_gesture = p_ev; + if (magnify_gesture.is_valid()) { + + set_zoom_custom(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position()); + } + + Ref<InputEventPanGesture> pan_gesture = p_ev; + if (pan_gesture.is_valid()) { + + h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8); + v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8); + } } void GraphEdit::clear_connections() { @@ -975,6 +988,11 @@ void GraphEdit::clear_connections() { void GraphEdit::set_zoom(float p_zoom) { + set_zoom_custom(p_zoom, get_size() / 2); +} + +void GraphEdit::set_zoom_custom(float p_zoom, const Vector2 &p_center) { + p_zoom = CLAMP(p_zoom, MIN_ZOOM, MAX_ZOOM); if (zoom == p_zoom) return; @@ -982,7 +1000,7 @@ void GraphEdit::set_zoom(float p_zoom) { zoom_minus->set_disabled(zoom == MIN_ZOOM); zoom_plus->set_disabled(zoom == MAX_ZOOM); - Vector2 sbofs = (Vector2(h_scroll->get_value(), v_scroll->get_value()) + get_size() / 2) / zoom; + Vector2 sbofs = (Vector2(h_scroll->get_value(), v_scroll->get_value()) + p_center) / zoom; zoom = p_zoom; top_layer->update(); @@ -992,7 +1010,7 @@ void GraphEdit::set_zoom(float p_zoom) { if (is_visible_in_tree()) { - Vector2 ofs = sbofs * zoom - get_size() / 2; + Vector2 ofs = sbofs * zoom - p_center; h_scroll->set_value(ofs.x); v_scroll->set_value(ofs.y); } |