riscos: Add a basic implementation of SDL_ShowCursor()

This commit is contained in:
Cameron Cawley 2022-05-25 21:40:28 +01:00 committed by Sam Lantinga
parent 4c711d2d43
commit 6eda520f64
4 changed files with 126 additions and 2 deletions

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@ -23,6 +23,7 @@
#if SDL_VIDEO_DRIVER_RISCOS
#include "../SDL_sysvideo.h"
#include "../../events/SDL_mouse_c.h"
#include "SDL_riscosvideo.h"
#include "SDL_riscosmodes.h"
@ -304,8 +305,8 @@ RISCOS_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
_kernel_oswrch(disable_cursor[i]);
}
/* Turn the mouse pointer on */
/* _kernel_osbyte(106, 1, 0); */
/* Update cursor visibility, since it may have been disabled by the mode change. */
SDL_SetCursor(NULL);
return 0;
}

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@ -0,0 +1,88 @@
/*
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.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_RISCOS
#include "../../events/SDL_mouse_c.h"
#include <kernel.h>
static SDL_Cursor *
RISCOS_CreateDefaultCursor()
{
SDL_Cursor *cursor;
cursor = SDL_calloc(1, sizeof(*cursor));
if (cursor) {
/* NULL is used to indicate the default cursor */
cursor->driverdata = NULL;
} else {
SDL_OutOfMemory();
}
return cursor;
}
static void
RISCOS_FreeCursor(SDL_Cursor * cursor)
{
SDL_free(cursor);
}
static int
RISCOS_ShowCursor(SDL_Cursor * cursor)
{
if (cursor) {
/* Turn the mouse pointer on */
_kernel_osbyte(106, 1, 0);
} else {
/* Turn the mouse pointer off */
_kernel_osbyte(106, 0, 0);
}
return 0;
}
int
RISCOS_InitMouse(_THIS)
{
SDL_Mouse *mouse = SDL_GetMouse();
/* mouse->CreateCursor = RISCOS_CreateCursor; */
/* mouse->CreateSystemCursor = RISCOS_CreateSystemCursor; */
mouse->ShowCursor = RISCOS_ShowCursor;
mouse->FreeCursor = RISCOS_FreeCursor;
/* mouse->WarpMouse = RISCOS_WarpMouse; */
/* mouse->WarpMouseGlobal = RISCOS_WarpMouseGlobal; */
/* mouse->SetRelativeMouseMode = RISCOS_SetRelativeMouseMode; */
/* mouse->CaptureMouse = RISCOS_CaptureMouse; */
/* mouse->GetGlobalMouseState = RISCOS_GetGlobalMouseState; */
SDL_SetDefaultCursor(RISCOS_CreateDefaultCursor());
return 0;
}
#endif /* SDL_VIDEO_DRIVER_RISCOS */
/* vi: set ts=4 sw=4 expandtab: */

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@ -0,0 +1,30 @@
/*
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.
*/
#include "../../SDL_internal.h"
#ifndef SDL_riscosmouse_h_
#define SDL_riscosmouse_h_
extern int RISCOS_InitMouse(_THIS);
#endif /* SDL_riscosmouse_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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@ -31,6 +31,7 @@
#include "SDL_riscosvideo.h"
#include "SDL_riscosevents_c.h"
#include "SDL_riscosframebuffer_c.h"
#include "SDL_riscosmouse.h"
#include "SDL_riscosmodes.h"
#include "SDL_riscoswindow.h"
@ -105,6 +106,10 @@ RISCOS_VideoInit(_THIS)
return -1;
}
if (RISCOS_InitMouse(_this) < 0) {
return -1;
}
if (RISCOS_InitModes(_this) < 0) {
return -1;
}