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Diffstat (limited to 'scene/gui/view_panner.h')
| -rw-r--r-- | scene/gui/view_panner.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/scene/gui/view_panner.h b/scene/gui/view_panner.h new file mode 100644 index 0000000000..0a92cb3dfd --- /dev/null +++ b/scene/gui/view_panner.h @@ -0,0 +1,68 @@ +/*************************************************************************/ +/* view_panner.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef VIEW_PANNER_H +#define VIEW_PANNER_H + +#include "core/object/ref_counted.h" + +class InputEvent; + +class ViewPanner : public RefCounted { + GDCLASS(ViewPanner, RefCounted); + +public: + enum ControlScheme { + SCROLL_ZOOMS, + SCROLL_PANS, + }; + +private: + bool is_dragging = false; + bool disable_rmb = false; + + Callable scroll_callback; + Callable pan_callback; + Callable zoom_callback; + + void callback_helper(Callable p_callback, Vector2 p_arg1, Vector2 p_arg2 = Vector2()); + ControlScheme control_scheme = SCROLL_ZOOMS; + +public: + void set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback); + void set_control_scheme(ControlScheme p_scheme); + void set_disable_rmb(bool p_disable); + + bool is_panning() const { return is_dragging; } + + bool gui_input(const Ref<InputEvent> &p_ev, Rect2 p_canvas_rect = Rect2()); +}; + +#endif // VIEW_PANNER_H |