mirror of
https://github.com/godotengine/godot
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95 lines
3.6 KiB
C++
95 lines
3.6 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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#ifndef VIEW_PANNER_H
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#define VIEW_PANNER_H
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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 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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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 is_dragging = false;
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bool pan_key_pressed = false;
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bool force_drag = false;
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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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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 setup(ControlScheme p_scheme, Ref<Shortcut> p_shortcut, bool p_simple_panning);
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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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#endif // VIEW_PANNER_H
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