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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include <stdint.h>
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/**
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* @brief Latest pointer (mouse) state as tracked by sdl_input_pump().
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*/
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struct SdlPointerState {
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int32_t x;
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int32_t y;
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bool pressed;
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};
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/**
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* @brief Drains all pending SDL events exactly once, updating the pointer state and key queue
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* below. Safe to call from both the sdl-pointer and sdl-keyboard drivers' polling functions:
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* SDL_PollEvent() drains a single global queue, so whichever driver is polled first on a given
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* LVGL indev tick pumps events for both.
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*/
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void sdl_input_pump(void);
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/**
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* @brief Gets the pointer state as of the most recent sdl_input_pump() call.
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*/
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void sdl_input_get_pointer_state(struct SdlPointerState* out_state);
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/**
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* @brief Pops the next queued key event (produced by SDL_KEYDOWN/SDL_TEXTINPUT during
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* sdl_input_pump()).
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* @retval false when no key event is pending
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*/
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bool sdl_input_pop_key(uint32_t* out_key);
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/**
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* @brief Returns true if another key event is queued after the one just popped.
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*/
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bool sdl_input_has_queued_key(void);
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#ifdef __cplusplus
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}
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#endif
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