diff options
Diffstat (limited to 'scene/gui/view_panner.cpp')
| -rw-r--r-- | scene/gui/view_panner.cpp | 84 |
1 files changed, 60 insertions, 24 deletions
diff --git a/scene/gui/view_panner.cpp b/scene/gui/view_panner.cpp index e8d54e6937..145497fa61 100644 --- a/scene/gui/view_panner.cpp +++ b/scene/gui/view_panner.cpp @@ -43,36 +43,42 @@ bool ViewPanner::gui_input(const Ref<InputEvent> &p_event, Rect2 p_canvas_rect) if (scroll_vec != Vector2() && mb->is_pressed()) { if (control_scheme == SCROLL_PANS) { if (mb->is_ctrl_pressed()) { - scroll_vec.y *= mb->get_factor(); - callback_helper(zoom_callback, varray(scroll_vec, mb->get_position(), mb->is_alt_pressed())); + // Compute the zoom factor. + float zoom_factor = mb->get_factor() <= 0 ? 1.0 : mb->get_factor(); + zoom_factor = ((scroll_zoom_factor - 1.0) * zoom_factor) + 1.0; + float zoom = (scroll_vec.x + scroll_vec.y) > 0 ? 1.0 / scroll_zoom_factor : scroll_zoom_factor; + callback_helper(zoom_callback, varray(zoom, mb->get_position(), p_event)); return true; } else { - Vector2 panning; - if (mb->is_shift_pressed()) { - panning.x += mb->get_factor() * scroll_vec.y; - panning.y += mb->get_factor() * scroll_vec.x; - } else { - panning.y += mb->get_factor() * scroll_vec.y; - panning.x += mb->get_factor() * scroll_vec.x; + Vector2 panning = scroll_vec * mb->get_factor(); + if (pan_axis == PAN_AXIS_HORIZONTAL) { + panning = Vector2(panning.x + panning.y, 0); + } else if (pan_axis == PAN_AXIS_VERTICAL) { + panning = Vector2(0, panning.x + panning.y); + } else if (mb->is_shift_pressed()) { + panning = Vector2(panning.y, panning.x); } - callback_helper(scroll_callback, varray(panning, mb->is_alt_pressed())); + callback_helper(pan_callback, varray(-panning * scroll_speed, p_event)); return true; } } else { if (mb->is_ctrl_pressed()) { - Vector2 panning; - if (mb->is_shift_pressed()) { - panning.x += mb->get_factor() * scroll_vec.y; - panning.y += mb->get_factor() * scroll_vec.x; - } else { - panning.y += mb->get_factor() * scroll_vec.y; - panning.x += mb->get_factor() * scroll_vec.x; + Vector2 panning = scroll_vec * mb->get_factor(); + if (pan_axis == PAN_AXIS_HORIZONTAL) { + panning = Vector2(panning.x + panning.y, 0); + } else if (pan_axis == PAN_AXIS_VERTICAL) { + panning = Vector2(0, panning.x + panning.y); + } else if (mb->is_shift_pressed()) { + panning = Vector2(panning.y, panning.x); } - callback_helper(scroll_callback, varray(panning, mb->is_alt_pressed())); + callback_helper(pan_callback, varray(-panning * scroll_speed, p_event)); return true; } else if (!mb->is_shift_pressed()) { - scroll_vec.y *= mb->get_factor(); - callback_helper(zoom_callback, varray(scroll_vec, mb->get_position(), mb->is_alt_pressed())); + // Compute the zoom factor. + float zoom_factor = mb->get_factor() <= 0 ? 1.0 : mb->get_factor(); + zoom_factor = ((scroll_zoom_factor - 1.0) * zoom_factor) + 1.0; + float zoom = (scroll_vec.x + scroll_vec.y) > 0 ? 1.0 / scroll_zoom_factor : scroll_zoom_factor; + callback_helper(zoom_callback, varray(zoom, mb->get_position(), p_event)); return true; } } @@ -102,14 +108,31 @@ bool ViewPanner::gui_input(const Ref<InputEvent> &p_event, Rect2 p_canvas_rect) if (mm.is_valid()) { if (is_dragging) { if (p_canvas_rect != Rect2()) { - callback_helper(pan_callback, varray(Input::get_singleton()->warp_mouse_motion(mm, p_canvas_rect))); + callback_helper(pan_callback, varray(Input::get_singleton()->warp_mouse_motion(mm, p_canvas_rect), p_event)); } else { - callback_helper(pan_callback, varray(mm->get_relative())); + callback_helper(pan_callback, varray(mm->get_relative(), p_event)); } return true; } } + Ref<InputEventMagnifyGesture> magnify_gesture = p_event; + if (magnify_gesture.is_valid()) { + // Zoom gesture + callback_helper(zoom_callback, varray(magnify_gesture->get_factor(), magnify_gesture->get_position(), p_event)); + return true; + } + + Ref<InputEventPanGesture> pan_gesture = p_event; + if (pan_gesture.is_valid()) { + callback_helper(pan_callback, varray(-pan_gesture->get_delta(), p_event)); + } + + Ref<InputEventScreenDrag> screen_drag = p_event; + if (screen_drag.is_valid()) { + callback_helper(pan_callback, varray(screen_drag->get_relative(), p_event)); + } + Ref<InputEventKey> k = p_event; if (k.is_valid()) { if (pan_view_shortcut.is_valid() && pan_view_shortcut->matches_event(k)) { @@ -140,8 +163,7 @@ void ViewPanner::callback_helper(Callable p_callback, Vector<Variant> p_args) { p_callback.callp(argptr, p_args.size(), result, ce); } -void ViewPanner::set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback) { - scroll_callback = p_scroll_callback; +void ViewPanner::set_callbacks(Callable p_pan_callback, Callable p_zoom_callback) { pan_callback = p_pan_callback; zoom_callback = p_zoom_callback; } @@ -163,6 +185,20 @@ void ViewPanner::set_simple_panning_enabled(bool p_enabled) { simple_panning_enabled = p_enabled; } +void ViewPanner::set_scroll_speed(int p_scroll_speed) { + ERR_FAIL_COND(p_scroll_speed <= 0); + scroll_speed = p_scroll_speed; +} + +void ViewPanner::set_scroll_zoom_factor(float p_scroll_zoom_factor) { + ERR_FAIL_COND(p_scroll_zoom_factor <= 1.0); + scroll_zoom_factor = p_scroll_zoom_factor; +} + +void ViewPanner::set_pan_axis(PanAxis p_pan_axis) { + pan_axis = p_pan_axis; +} + void ViewPanner::setup(ControlScheme p_scheme, Ref<Shortcut> p_shortcut, bool p_simple_panning) { set_control_scheme(p_scheme); set_pan_shortcut(p_shortcut); |