[sdl_omap.git] / src / video / maccommon / SDL_macmouse.c

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#if defined(__APPLE__) && defined(__MACH__)
#include <Carbon/Carbon.h>
#elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335)
#include <Carbon.h>
#else
#include <Quickdraw.h>
#endif

/* Routines that are not supported by the Carbon API... */
#if !TARGET_API_MAC_CARBON
#include <CursorDevices.h>
#endif

#include "SDL_mouse.h"
#include "SDL_macmouse_c.h"


/* The implementation dependent data for the window manager cursor */
struct WMcursor {
	Cursor curs;
};


void Mac_FreeWMCursor(_THIS, WMcursor *cursor)
{
	SDL_free(cursor);
}

WMcursor *Mac_CreateWMCursor(_THIS,
		Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
{
	WMcursor *cursor;
	int row, bytes;
		
	/* Allocate the cursor memory */
	cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor));
	if ( cursor == NULL ) {
		SDL_OutOfMemory();
		return(NULL);
	}
	SDL_memset(cursor, 0, sizeof(*cursor));
    
    if (w > 16)
        w = 16;
    
    if (h > 16)
        h = 16;
    
	bytes = (w+7)/8;

	for ( row=0; row<h; ++row ) {
		SDL_memcpy(&cursor->curs.data[row], data, bytes);
		data += bytes;
	}
	for ( row=0; row<h; ++row ) {
		SDL_memcpy(&cursor->curs.mask[row], mask, bytes);
		mask += bytes;
	}
	cursor->curs.hotSpot.h = hot_x;
	cursor->curs.hotSpot.v = hot_y;

	/* That was easy. :) */
	return(cursor);
}

int Mac_cursor_showing = 1;

int Mac_ShowWMCursor(_THIS, WMcursor *cursor)
{
	if ( cursor == NULL ) {
		if ( Mac_cursor_showing ) {
			HideCursor();
			Mac_cursor_showing = 0;
		}
	} else {
		SetCursor(&cursor->curs);
		if ( ! Mac_cursor_showing ) {
			ShowCursor();
			Mac_cursor_showing = 1;
		}
	}
	return(1);
}

void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
{
#if !TARGET_API_MAC_CARBON
	CursorDevice *cursordevice;

	cursordevice = nil;
	CursorDeviceNextDevice(&cursordevice);
	if ( cursordevice != nil ) {
		WindowPtr saveport;
		Point where;

		GetPort(&saveport);
		SetPort(SDL_Window);
		where.h = x;
		where.v = y;
		LocalToGlobal(&where);
		SetPort(saveport);
		CursorDeviceMoveTo(cursordevice, where.h, where.v);
	}
#endif /* !TARGET_API_MAC_CARBON */
}
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 Sam Lantinga
	4
	5	This library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	This library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	#if defined(__APPLE__) && defined(__MACH__)
	25	#include <Carbon/Carbon.h>
	26	#elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335)
	27	#include <Carbon.h>
	28	#else
	29	#include <Quickdraw.h>
	30	#endif
	31
	32	/* Routines that are not supported by the Carbon API... */
	33	#if !TARGET_API_MAC_CARBON
	34	#include <CursorDevices.h>
	35	#endif
	36
	37	#include "SDL_mouse.h"
	38	#include "SDL_macmouse_c.h"
	39
	40
	41	/* The implementation dependent data for the window manager cursor */
	42	struct WMcursor {
	43	Cursor curs;
	44	};
	45
	46
	47	void Mac_FreeWMCursor(_THIS, WMcursor *cursor)
	48	{
	49	SDL_free(cursor);
	50	}
	51
	52	WMcursor *Mac_CreateWMCursor(_THIS,
	53	Uint8 data, Uint8 mask, int w, int h, int hot_x, int hot_y)
	54	{
	55	WMcursor *cursor;
	56	int row, bytes;
	57
	58	/* Allocate the cursor memory */
	59	cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor));
	60	if ( cursor == NULL ) {
	61	SDL_OutOfMemory();
	62	return(NULL);
	63	}
	64	SDL_memset(cursor, 0, sizeof(*cursor));
65
66	if (w > 16)
67	w = 16;
68
69	if (h > 16)
70	h = 16;
71
72	bytes = (w+7)/8;
73
74	for ( row=0; row<h; ++row ) {
75	SDL_memcpy(&cursor->curs.data[row], data, bytes);
76	data += bytes;
77	}
78	for ( row=0; row<h; ++row ) {
79	SDL_memcpy(&cursor->curs.mask[row], mask, bytes);
80	mask += bytes;
81	}
82	cursor->curs.hotSpot.h = hot_x;
83	cursor->curs.hotSpot.v = hot_y;
84
85	/* That was easy. :) */
86	return(cursor);
87	}
88
89	int Mac_cursor_showing = 1;
90
91	int Mac_ShowWMCursor(_THIS, WMcursor *cursor)
92	{
93	if ( cursor == NULL ) {
94	if ( Mac_cursor_showing ) {
95	HideCursor();
96	Mac_cursor_showing = 0;
97	}
98	} else {
99	SetCursor(&cursor->curs);
100	if ( ! Mac_cursor_showing ) {
101	ShowCursor();
102	Mac_cursor_showing = 1;
103	}
104	}
105	return(1);
106	}
107
108	void Mac_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
109	{
110	#if !TARGET_API_MAC_CARBON
111	CursorDevice *cursordevice;
112
113	cursordevice = nil;
114	CursorDeviceNextDevice(&cursordevice);
115	if ( cursordevice != nil ) {
116	WindowPtr saveport;
117	Point where;
118
119	GetPort(&saveport);
120	SetPort(SDL_Window);
121	where.h = x;
122	where.v = y;
123	LocalToGlobal(&where);
124	SetPort(saveport);
125	CursorDeviceMoveTo(cursordevice, where.h, where.v);
126	}
127	#endif /* !TARGET_API_MAC_CARBON */
128	}
129