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ab10d4d219
There is a new sdl::get_mouse_state() function that should be used in place of SDL_GetMouseState() in every case. It returns coordinates relative to the drawing surface. With this, the pixel scale option seems to be working without issue.
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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Copyright (C) 2022
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by Thomas Iorns <mesilliac@tomanui.nz>
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Part of the Battle for Wesnoth Project https://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#include <cstdint>
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#pragma once
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/**
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* @file
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* Contains functions for cleanly handling SDL input.
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*/
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struct SDL_Point;
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namespace sdl
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{
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/**
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* A wrapper for SDL_GetMouseState that gives coordinates in draw space.
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*/
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uint32_t get_mouse_state(int *x, int *y);
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/** Returns the current mouse button mask */
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uint32_t get_mouse_button_mask();
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/** Returns the currnet mouse location in draw space. */
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SDL_Point get_mouse_location();
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/**
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* Update the cached drawing area and input area sizes. These correspond to
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* the size of the drawing surface in pixels, and the size of the window in
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* display coordinates.
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*
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* This should be called every time the window is resized, or the pixel scale
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* multiplier changes.
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*
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* @param draw_width The width of the drawing surface, in pixels
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* @param draw_height The height of the drawing surface, in pixels
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* @param input_width The width of the input surface, in display coordinates
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* @param input_height The height of the input surface, in display coordinates
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*/
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void update_input_dimensions(
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int draw_width, int draw_height,
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int input_width, int input_height
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);
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void update_input_dimensions(SDL_Point draw_size, SDL_Point input_size);
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} // namespace sdl
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