forked from Green-Sky/tomato
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
|
/*
|
||
|
|
Simple DirectMedia Layer
|
||
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
||
|
|
|
||
|
|
This software is provided 'as-is', without any express or implied
|
||
|
|
warranty. In no event will the authors be held liable for any damages
|
||
|
|
arising from the use of this software.
|
||
|
|
|
||
|
|
Permission is granted to anyone to use this software for any purpose,
|
||
|
|
including commercial applications, and to alter it and redistribute it
|
||
|
|
freely, subject to the following restrictions:
|
||
|
|
|
||
|
|
1. The origin of this software must not be misrepresented; you must not
|
||
|
|
claim that you wrote the original software. If you use this software
|
||
|
|
in a product, an acknowledgment in the product documentation would be
|
||
|
|
appreciated but is not required.
|
||
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
||
|
|
misrepresented as being the original software.
|
||
|
|
3. This notice may not be removed or altered from any source distribution.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "SDL_internal.h"
|
||
|
|
|
||
|
|
#ifdef SDL_VIDEO_DRIVER_N3DS
|
||
|
|
|
||
|
|
#include <3ds.h>
|
||
|
|
|
||
|
|
#include "../../events/SDL_touch_c.h"
|
||
|
|
#include "SDL_n3dstouch.h"
|
||
|
|
|
||
|
|
#define N3DS_TOUCH_ID 0
|
||
|
|
|
||
|
|
/*
|
||
|
|
Factors used to convert touchscreen coordinates to
|
||
|
|
SDL's 0-1 values. Note that the N3DS's screen is
|
||
|
|
internally in a portrait disposition so the
|
||
|
|
GSP_SCREEN constants are flipped.
|
||
|
|
*/
|
||
|
|
#define TOUCHSCREEN_SCALE_X 1.0f / GSP_SCREEN_HEIGHT_BOTTOM
|
||
|
|
#define TOUCHSCREEN_SCALE_Y 1.0f / GSP_SCREEN_WIDTH
|
||
|
|
|
||
|
|
void N3DS_InitTouch(void)
|
||
|
|
{
|
||
|
|
SDL_AddTouch(N3DS_TOUCH_ID, SDL_TOUCH_DEVICE_DIRECT, "Touchscreen");
|
||
|
|
}
|
||
|
|
|
||
|
|
void N3DS_QuitTouch(void)
|
||
|
|
{
|
||
|
|
SDL_DelTouch(N3DS_TOUCH_ID);
|
||
|
|
}
|
||
|
|
|
||
|
|
void N3DS_PollTouch(void)
|
||
|
|
{
|
||
|
|
touchPosition touch;
|
||
|
|
static SDL_bool was_pressed = SDL_FALSE;
|
||
|
|
SDL_bool pressed;
|
||
|
|
hidTouchRead(&touch);
|
||
|
|
pressed = (touch.px != 0 || touch.py != 0);
|
||
|
|
|
||
|
|
if (pressed != was_pressed) {
|
||
|
|
was_pressed = pressed;
|
||
|
|
SDL_SendTouch(0, N3DS_TOUCH_ID,
|
||
|
|
0,
|
||
|
|
NULL,
|
||
|
|
pressed,
|
||
|
|
touch.px * TOUCHSCREEN_SCALE_X,
|
||
|
|
touch.py * TOUCHSCREEN_SCALE_Y,
|
||
|
|
pressed ? 1.0f : 0.0f);
|
||
|
|
} else if (pressed) {
|
||
|
|
SDL_SendTouchMotion(0, N3DS_TOUCH_ID,
|
||
|
|
0,
|
||
|
|
NULL,
|
||
|
|
touch.px * TOUCHSCREEN_SCALE_X,
|
||
|
|
touch.py * TOUCHSCREEN_SCALE_Y,
|
||
|
|
1.0f);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* SDL_VIDEO_DRIVER_N3DS */
|