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/**
* @file lv_windows_context.h
*
*/
#ifndef LV_WINDOWS_CONTEXT_H
#define LV_WINDOWS_CONTEXT_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../../display/lv_display.h"
#include "../../indev/lv_indev.h"
#if LV_USE_WINDOWS
#include <windows.h>
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef struct _lv_windows_pointer_context_t {
lv_indev_state_t state;
lv_point_t point;
lv_indev_t * indev;
} lv_windows_pointer_context_t;
typedef struct _lv_windows_keypad_queue_item_t {
uint32_t key;
lv_indev_state_t state;
} lv_windows_keypad_queue_item_t;
typedef struct _lv_windows_keypad_context_t {
CRITICAL_SECTION mutex;
lv_ll_t queue;
uint16_t utf16_high_surrogate;
uint16_t utf16_low_surrogate;
lv_indev_t * indev;
} lv_windows_keypad_context_t;
typedef struct _lv_windows_encoder_context_t {
lv_indev_state_t state;
int16_t enc_diff;
lv_indev_t * indev;
} lv_windows_encoder_context_t;
typedef struct _lv_windows_window_context_t {
lv_display_t * display_device_object;
lv_timer_t * display_timer_object;
int32_t window_dpi;
int32_t zoom_level;
bool allow_dpi_override;
bool simulator_mode;
bool display_resolution_changed;
lv_point_t requested_display_resolution;
HDC display_framebuffer_context_handle;
uint32_t * display_framebuffer_base;
size_t display_framebuffer_size;
lv_windows_pointer_context_t pointer;
lv_windows_keypad_context_t keypad;
lv_windows_encoder_context_t encoder;
} lv_windows_window_context_t;
typedef struct _lv_windows_create_display_data_t {
const wchar_t * title;
int32_t hor_res;
int32_t ver_res;
int32_t zoom_level;
bool allow_dpi_override;
bool simulator_mode;
HANDLE mutex;
lv_display_t * display;
} lv_windows_create_display_data_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* @brief Initialize the LVGL Windows backend.
* @remark This is a private API which is used for LVGL Windows backend
* implementation. LVGL users shouldn't use that because the
* LVGL has already used it in lv_init.
*/
void lv_windows_platform_init(void);
/**
* @brief Get the window context from specific LVGL display window.
* @param window_handle The window handle of specific LVGL display window.
* @return The window context from specific LVGL display window.
* @remark This is a private API which is used for LVGL Windows backend
* implementation. LVGL users shouldn't use that because the
* maintainer doesn't promise the application binary interface
* compatibility for this API.
*/
lv_windows_window_context_t * lv_windows_get_window_context(
HWND window_handle);
/**********************
* MACROS
**********************/
#endif // LV_USE_WINDOWS
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_WINDOWS_CONTEXT_H*/
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