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N3DS: Use SDL_Touch instead of the Joystick touch.
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Original file line number | Diff line number | Diff line change |
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2022 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. | ||
*/ | ||
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#include "../../SDL_internal.h" | ||
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#ifdef SDL_VIDEO_DRIVER_N3DS | ||
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#include <3ds.h> | ||
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#include "../../events/SDL_touch_c.h" | ||
#include "SDL_n3dstouch.h" | ||
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#define N3DS_TOUCH_ID 0 | ||
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/* | ||
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 | ||
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void | ||
N3DS_InitTouch(void) | ||
{ | ||
SDL_AddTouch(N3DS_TOUCH_ID, SDL_TOUCH_DEVICE_DIRECT, "Touchscreen"); | ||
} | ||
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void | ||
N3DS_QuitTouch(void) | ||
{ | ||
SDL_DelTouch(N3DS_TOUCH_ID); | ||
} | ||
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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); | ||
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if (pressed != was_pressed) { | ||
was_pressed = pressed; | ||
SDL_SendTouch(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(N3DS_TOUCH_ID, | ||
0, | ||
NULL, | ||
touch.px * TOUCHSCREEN_SCALE_X, | ||
touch.py * TOUCHSCREEN_SCALE_Y, | ||
1.0f); | ||
} | ||
} | ||
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#endif /* SDL_VIDEO_DRIVER_N3DS */ | ||
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/* vi: set sts=4 ts=4 sw=4 expandtab: */ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,31 @@ | ||
/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2022 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. | ||
*/ | ||
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#ifndef SDL_n3dstouch_h_ | ||
#define SDL_n3dstouch_h_ | ||
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void N3DS_InitTouch(void); | ||
void N3DS_QuitTouch(void); | ||
void N3DS_PollTouch(void); | ||
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#endif /* SDL_n3dstouch_h_ */ | ||
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/* vi: set sts=4 ts=4 sw=4 expandtab: */ |
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