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82e23da12e
This change introduces a DragType enum to scene/gui/view_panner.cpp of dragging, which includes: - DRAG_TYPE_NONE: Not dragging - DRAG_TYPE_PAN: Panning (dragging using MMB) - DRAG_TYPE_ZOOM: Zooming (dragging using CTRL+MMB) The goal of this change is the third option, which was already available in 3D viewport but not in 2D. This feature should work in other editors as well such as Animation Track Editor and Visual Shader Editor and so on.
113 lines
4.0 KiB
C++
113 lines
4.0 KiB
C++
/**************************************************************************/
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/* view_panner.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#pragma once
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#include "core/object/ref_counted.h"
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class InputEvent;
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class Shortcut;
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class Viewport;
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class ViewPanner : public RefCounted {
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GDCLASS(ViewPanner, RefCounted);
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public:
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enum ControlScheme {
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SCROLL_ZOOMS,
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SCROLL_PANS,
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};
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enum PanAxis {
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PAN_AXIS_BOTH,
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PAN_AXIS_HORIZONTAL,
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PAN_AXIS_VERTICAL,
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};
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enum DragType {
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DRAG_TYPE_NONE,
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DRAG_TYPE_PAN,
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DRAG_TYPE_ZOOM,
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};
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enum ZoomStyle {
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ZOOM_VERTICAL,
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ZOOM_HORIZONTAL,
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};
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private:
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int scroll_speed = 32;
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float scroll_zoom_factor = 1.1;
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PanAxis pan_axis = PAN_AXIS_BOTH;
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bool pan_key_pressed = false;
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bool force_drag = false;
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DragType drag_type = DragType::DRAG_TYPE_NONE;
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ZoomStyle zoom_style = ZoomStyle::ZOOM_VERTICAL;
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Vector2 drag_zoom_position;
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float drag_zoom_sensitivity_factor = -0.01f;
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bool enable_rmb = false;
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bool simple_panning_enabled = false;
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Ref<Shortcut> pan_view_shortcut;
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Callable pan_callback;
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Callable zoom_callback;
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ControlScheme control_scheme = SCROLL_ZOOMS;
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Viewport *warped_panning_viewport = nullptr;
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public:
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void set_callbacks(Callable p_pan_callback, Callable p_zoom_callback);
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void set_control_scheme(ControlScheme p_scheme);
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void set_enable_rmb(bool p_enable);
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void set_pan_shortcut(Ref<Shortcut> p_shortcut);
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void set_simple_panning_enabled(bool p_enabled);
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void set_scroll_speed(int p_scroll_speed);
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void set_scroll_zoom_factor(float p_scroll_zoom_factor);
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void set_pan_axis(PanAxis p_pan_axis);
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void set_zoom_style(ZoomStyle p_zoom_style);
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void setup(ControlScheme p_scheme, Ref<Shortcut> p_shortcut, bool p_simple_panning);
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void setup_warped_panning(Viewport *p_viewport, bool p_allowed);
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bool is_panning() const;
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void set_force_drag(bool p_force);
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bool gui_input(const Ref<InputEvent> &p_ev, Rect2 p_canvas_rect = Rect2());
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void release_pan_key();
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ViewPanner();
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};
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