/
SDL_QuartzWM.m
175 lines (142 loc) · 4.59 KB
/
SDL_QuartzWM.m
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@devolution.com
*/
struct WMcursor {
Cursor curs;
};
static void QZ_FreeWMCursor (_THIS, WMcursor *cursor) {
if ( cursor != NULL )
free (cursor);
}
/* Use the Carbon cursor routines for now */
static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
int w, int h, int hot_x, int hot_y) {
WMcursor *cursor;
int row, bytes;
cursor = (WMcursor *)malloc(sizeof(WMcursor));
if ( cursor == NULL ) {
SDL_OutOfMemory();
return(NULL);
}
memset(cursor, 0, sizeof(*cursor));
bytes = (w/8);
if ( bytes > 2 ) {
bytes = 2;
}
for ( row=0; row<h && (row < 16); ++row ) {
memcpy(&cursor->curs.data[row], data, bytes);
data += w/8;
}
for ( row=0; row<h && (row < 16); ++row ) {
memcpy(&cursor->curs.mask[row], mask, bytes);
mask += w/8;
}
cursor->curs.hotSpot.h = hot_x;
cursor->curs.hotSpot.v = hot_y;
return(cursor);
}
static int QZ_ShowWMCursor (_THIS, WMcursor *cursor) {
static int visible = 1;
if ( cursor == NULL) {
if ( visible ) {
HideCursor ();
visible = 0;
}
}
else {
SetCursor(&cursor->curs);
if ( ! visible ) {
ShowCursor ();
visible = 1;
}
}
return 1;
}
static void QZ_PrivateWarpCursor (_THIS, int fullscreen, int h, int x, int y) {
CGPoint p;
/* We require absolute screen coordiates for our warp */
p.x = x;
p.y = h - y;
if ( fullscreen )
/* Already absolute coordinates */
CGDisplayMoveCursorToPoint(display_id, p);
else {
/* Convert to absolute screen coordinates */
NSPoint base, screen;
base = NSMakePoint (p.x, p.y);
screen = [ window convertBaseToScreen:base ];
p.x = screen.x;
p.y = device_height - screen.y;
CGDisplayMoveCursorToPoint (display_id, p);
}
}
static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y) {
/* Only allow warping when in foreground */
if ( ! inForeground )
return;
/* Do the actual warp */
QZ_PrivateWarpCursor (this, SDL_VideoSurface->flags & SDL_FULLSCREEN,
SDL_VideoSurface->h, x, y);
/* Generate mouse moved event */
SDL_PrivateMouseMotion (SDL_RELEASED, 0, x, y);
}
static void QZ_MoveWMCursor (_THIS, int x, int y) { }
static void QZ_CheckMouseMode (_THIS) { }
static void QZ_SetCaption (_THIS, const char *title, const char *icon) {
NSString *str = [ [ NSString alloc ] initWithCString:title ];
if (window != nil)
[ window setTitle:str ];
[ windowTitle release ];
windowTitle = str;
}
static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask) {
/* Convert icon/mask to NSImage, assign with NSWindow's setMiniwindowImage method */
}
static int QZ_IconifyWindow (_THIS) {
/* Bug! minimize erases the framebuffer */
if ( ! [ window isMiniaturized ] ) {
[ window miniaturize:nil ];
return 1;
}
else {
SDL_SetError ("window already iconified");
return 0;
}
}
/*
static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info) {
info->nsWindowPtr = window;
return 0;
}*/
static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode) {
switch (grab_mode) {
case SDL_GRAB_QUERY:
break;
case SDL_GRAB_OFF:
CGAssociateMouseAndMouseCursorPosition (1);
currentGrabMode = SDL_GRAB_OFF;
break;
case SDL_GRAB_ON:
QZ_WarpWMCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
CGAssociateMouseAndMouseCursorPosition (0);
currentGrabMode = SDL_GRAB_ON;
break;
case SDL_GRAB_FULLSCREEN:
break;
}
return currentGrabMode;
}