/
SDL_QuartzWM.m
468 lines (368 loc) · 15.2 KB
/
SDL_QuartzWM.m
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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@libsdl.org
*/
static void QZ_ChangeGrabState (_THIS, int action);
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;
/* Allocate the cursor memory */
cursor = (WMcursor *)malloc(sizeof(WMcursor));
if ( cursor == NULL ) {
SDL_OutOfMemory();
return(NULL);
}
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 ) {
memcpy(&cursor->curs.data[row], data, bytes);
data += bytes;
}
for ( row=0; row<h; ++row ) {
memcpy(&cursor->curs.mask[row], mask, bytes);
mask += bytes;
}
cursor->curs.hotSpot.h = hot_x;
cursor->curs.hotSpot.v = hot_y;
return(cursor);
}
static int QZ_ShowWMCursor (_THIS, WMcursor *cursor) {
if ( cursor == NULL) {
if ( cursor_visible ) {
if (!cursor_hidden) {
HideCursor ();
cursor_hidden = YES;
}
cursor_visible = NO;
QZ_ChangeGrabState (this, QZ_HIDECURSOR);
}
}
else {
SetCursor(&cursor->curs);
if ( ! cursor_visible ) {
if (cursor_hidden) {
ShowCursor ();
cursor_hidden = NO;
}
cursor_visible = YES;
QZ_ChangeGrabState (this, QZ_SHOWCURSOR);
}
}
return 1;
}
/*
Coordinate conversion functions, for convenience
Cocoa sets the origin at the lower left corner of the window/screen
SDL, CoreGraphics/WindowServer, and QuickDraw use the origin at the upper left corner
The routines were written so they could be called before SetVideoMode() has finished;
this might have limited usefulness at the moment, but the extra cost is trivial.
*/
/* Convert Cocoa screen coordinate to Cocoa window coordinate */
static void QZ_PrivateGlobalToLocal (_THIS, NSPoint *p) {
*p = [ qz_window convertScreenToBase:*p ];
}
/* Convert Cocoa window coordinate to Cocoa screen coordinate */
static void QZ_PrivateLocalToGlobal (_THIS, NSPoint *p) {
*p = [ qz_window convertBaseToScreen:*p ];
}
/* Convert SDL coordinate to Cocoa coordinate */
static void QZ_PrivateSDLToCocoa (_THIS, NSPoint *p) {
int height;
if ( CGDisplayIsCaptured (display_id) ) { /* capture signals fullscreen */
height = CGDisplayPixelsHigh (display_id);
}
else {
height = NSHeight ( [ qz_window frame ] );
if ( [ qz_window styleMask ] & NSTitledWindowMask ) {
height -= 22;
}
}
p->y = height - p->y - 1;
}
/* Convert Cocoa coordinate to SDL coordinate */
static void QZ_PrivateCocoaToSDL (_THIS, NSPoint *p) {
QZ_PrivateSDLToCocoa (this, p);
}
/* Convert SDL coordinate to window server (CoreGraphics) coordinate */
static CGPoint QZ_PrivateSDLToCG (_THIS, NSPoint *p) {
CGPoint cgp;
if ( ! CGDisplayIsCaptured (display_id) ) { /* not captured => not fullscreen => local coord */
int height;
QZ_PrivateSDLToCocoa (this, p);
QZ_PrivateLocalToGlobal (this, p);
height = CGDisplayPixelsHigh (display_id);
p->y = height - p->y;
}
cgp.x = p->x;
cgp.y = p->y;
return cgp;
}
/* Convert window server (CoreGraphics) coordinate to SDL coordinate */
static void QZ_PrivateCGToSDL (_THIS, NSPoint *p) {
if ( ! CGDisplayIsCaptured (display_id) ) { /* not captured => not fullscreen => local coord */
int height;
/* Convert CG Global to Cocoa Global */
height = CGDisplayPixelsHigh (display_id);
p->y = height - p->y;
QZ_PrivateGlobalToLocal (this, p);
QZ_PrivateCocoaToSDL (this, p);
}
}
static void QZ_PrivateWarpCursor (_THIS, int x, int y) {
NSPoint p;
CGPoint cgp;
p = NSMakePoint (x, y);
cgp = QZ_PrivateSDLToCG (this, &p);
QZ_PrivateCGToSDL (this, &p);
/* this is the magic call that fixes cursor "freezing" after warp */
CGSetLocalEventsSuppressionInterval (0.0);
CGWarpMouseCursorPosition (cgp);
}
static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y) {
/* Only allow warping when in foreground */
if ( ! in_foreground )
return;
/* Do the actual warp */
QZ_PrivateWarpCursor (this, x, y);
/* Generate the mouse moved event */
SDL_PrivateMouseMotion (0, 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) {
if ( qz_window != nil ) {
NSString *string;
if ( title != NULL ) {
string = [ [ NSString alloc ] initWithCString:title ];
[ qz_window setTitle:string ];
[ string release ];
}
if ( icon != NULL ) {
string = [ [ NSString alloc ] initWithCString:icon ];
[ qz_window setMiniwindowTitle:string ];
[ string release ];
}
}
}
static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask)
{
NSBitmapImageRep *imgrep;
NSImage *img;
SDL_Surface *mergedSurface;
int i,j;
NSAutoreleasePool *pool;
SDL_Rect rrect;
NSSize imgSize = {icon->w, icon->h};
pool = [ [ NSAutoreleasePool alloc ] init ];
SDL_GetClipRect(icon, &rrect);
/* create a big endian RGBA surface */
mergedSurface = SDL_CreateRGBSurface(SDL_SWSURFACE|SDL_SRCALPHA,
icon->w, icon->h, 32, 0xff<<24, 0xff<<16, 0xff<<8, 0xff<<0);
if (mergedSurface==NULL) {
NSLog(@"Error creating surface for merge");
goto freePool;
}
if (mergedSurface->pitch !=
mergedSurface->format->BytesPerPixel * mergedSurface->w) {
SDL_SetError ("merged surface has wrong format");
SDL_FreeSurface (mergedSurface);
goto freePool;
}
if (SDL_BlitSurface(icon,&rrect,mergedSurface,&rrect)) {
NSLog(@"Error blitting to mergedSurface");
goto freePool;
}
if (mask) {
Uint32 *pixels = mergedSurface->pixels;
for (i = 0; i < mergedSurface->h; i++) {
for (j = 0; j < mergedSurface->w; j++) {
int index = i * mergedSurface->w + j;
int mindex = index >> 3;
int bindex = 7 - (index & 0x7);
if (mask[mindex] & (1 << bindex))
pixels[index] |= 0x000000FF;
else
pixels[index] &= 0xFFFFFF00;
}
}
}
imgrep = [ [ NSBitmapImageRep alloc]
initWithBitmapDataPlanes:(unsigned char **)&mergedSurface->pixels
pixelsWide:icon->w pixelsHigh:icon->h bitsPerSample:8 samplesPerPixel:4
hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
bytesPerRow:icon->w<<2 bitsPerPixel:32 ];
img = [ [ NSImage alloc ] initWithSize:imgSize ];
[ img addRepresentation: imgrep ];
[ NSApp setApplicationIconImage:img ];
[ img release ];
[ imgrep release ];
SDL_FreeSurface(mergedSurface);
freePool:
[pool release];
}
static int QZ_IconifyWindow (_THIS) {
if ( ! [ qz_window isMiniaturized ] ) {
[ qz_window miniaturize:nil ];
return 1;
}
else {
SDL_SetError ("window already iconified");
return 0;
}
}
/*
static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info) {
info->nsWindowPtr = qz_window;
return 0;
}*/
static void QZ_ChangeGrabState (_THIS, int action) {
/*
Figure out what the next state should be based on the action.
Ignore actions that can't change the current state.
*/
if ( grab_state == QZ_UNGRABBED ) {
if ( action == QZ_ENABLE_GRAB ) {
if ( cursor_visible )
grab_state = QZ_VISIBLE_GRAB;
else
grab_state = QZ_INVISIBLE_GRAB;
}
}
else if ( grab_state == QZ_VISIBLE_GRAB ) {
if ( action == QZ_DISABLE_GRAB )
grab_state = QZ_UNGRABBED;
else if ( action == QZ_HIDECURSOR )
grab_state = QZ_INVISIBLE_GRAB;
}
else {
assert( grab_state == QZ_INVISIBLE_GRAB );
if ( action == QZ_DISABLE_GRAB )
grab_state = QZ_UNGRABBED;
else if ( action == QZ_SHOWCURSOR )
grab_state = QZ_VISIBLE_GRAB;
}
/* now apply the new state */
if (grab_state == QZ_UNGRABBED) {
CGAssociateMouseAndMouseCursorPosition (1);
}
else if (grab_state == QZ_VISIBLE_GRAB) {
CGAssociateMouseAndMouseCursorPosition (1);
}
else {
assert( grab_state == QZ_INVISIBLE_GRAB );
QZ_PrivateWarpCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
CGAssociateMouseAndMouseCursorPosition (0);
}
}
static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode) {
int doGrab = grab_mode & SDL_GRAB_ON;
/*int fullscreen = grab_mode & SDL_GRAB_FULLSCREEN;*/
if ( this->screen == NULL ) {
SDL_SetError ("QZ_GrabInput: screen is NULL");
return SDL_GRAB_OFF;
}
if ( ! video_set ) {
/*SDL_SetError ("QZ_GrabInput: video is not set, grab will take effect on mode switch"); */
current_grab_mode = grab_mode;
return grab_mode; /* Will be set later on mode switch */
}
if ( grab_mode != SDL_GRAB_QUERY ) {
if ( doGrab )
QZ_ChangeGrabState (this, QZ_ENABLE_GRAB);
else
QZ_ChangeGrabState (this, QZ_DISABLE_GRAB);
current_grab_mode = doGrab ? SDL_GRAB_ON : SDL_GRAB_OFF;
}
return current_grab_mode;
}
/* Resize icon, BMP format */
static unsigned char QZ_ResizeIcon[] = {
0x42,0x4d,0x31,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x00,0x00,0x00,0x28,0x00,
0x00,0x00,0x0d,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x00,0x00,
0x00,0x00,0xfb,0x01,0x00,0x00,0x13,0x0b,0x00,0x00,0x13,0x0b,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,
0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,
0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xda,0xda,0xda,0x87,
0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8,
0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd5,0xd5,0xd5,0x87,0x87,0x87,0xe8,0xe8,0xe8,
0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,
0xda,0xda,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xd7,0xd7,0xd7,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,
0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd7,0xd7,0xd7,
0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,
0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd7,0xd7,0xd7,0x87,0x87,0x87,0xe8,0xe8,
0xe8,0xff,0xff,0xff,0xdc,0xdc,0xdc,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xd9,0xd9,0xd9,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xdc,
0xdc,0xdc,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdb,0xdb,
0xdb,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdb,0xdb,0xdb,0x87,0x87,0x87,0xe8,
0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xdc,0xdc,0xdc,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdc,
0xdc,0xdc,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0b
};
static void QZ_DrawResizeIcon (_THIS, RgnHandle dirtyRegion) {
/* Check if we should draw the resize icon */
if (SDL_VideoSurface->flags & SDL_RESIZABLE) {
Rect icon;
SetRect (&icon, SDL_VideoSurface->w - 13, SDL_VideoSurface->h - 13,
SDL_VideoSurface->w, SDL_VideoSurface->h);
if (RectInRgn (&icon, dirtyRegion)) {
SDL_Rect icon_rect;
/* Create the icon image */
if (resize_icon == NULL) {
SDL_RWops *rw;
SDL_Surface *tmp;
rw = SDL_RWFromMem (QZ_ResizeIcon, sizeof(QZ_ResizeIcon));
tmp = SDL_LoadBMP_RW (rw, SDL_TRUE);
resize_icon = SDL_ConvertSurface (tmp, SDL_VideoSurface->format, SDL_SRCCOLORKEY);
SDL_SetColorKey (resize_icon, SDL_SRCCOLORKEY, 0xFFFFFF);
SDL_FreeSurface (tmp);
}
icon_rect.x = SDL_VideoSurface->w - 13;
icon_rect.y = SDL_VideoSurface->h - 13;
icon_rect.w = 13;
icon_rect.h = 13;
SDL_BlitSurface (resize_icon, NULL, SDL_VideoSurface, &icon_rect);
}
}
}