188 lines
5 KiB
Objective-C
188 lines
5 KiB
Objective-C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
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slouken@devolution.com
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*/
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struct WMcursor {
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Cursor curs;
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};
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static void QZ_FreeWMCursor (_THIS, WMcursor *cursor) {
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if ( cursor != NULL )
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free (cursor);
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}
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/* Use the Carbon cursor routines for now */
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static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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int w, int h, int hot_x, int hot_y) {
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WMcursor *cursor;
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int row, bytes;
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/* Allocate the cursor memory */
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cursor = (WMcursor *)malloc(sizeof(WMcursor));
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if ( cursor == NULL ) {
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SDL_OutOfMemory();
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return(NULL);
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}
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memset(cursor, 0, sizeof(*cursor));
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if (w > 16)
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w = 16;
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if (h > 16)
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h = 16;
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bytes = (w+7)/8;
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for ( row=0; row<h; ++row ) {
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memcpy(&cursor->curs.data[row], data, bytes);
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data += bytes;
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}
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for ( row=0; row<h; ++row ) {
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memcpy(&cursor->curs.mask[row], mask, bytes);
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mask += bytes;
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}
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cursor->curs.hotSpot.h = hot_x;
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cursor->curs.hotSpot.v = hot_y;
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return(cursor);
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}
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static int QZ_cursor_visible = 1;
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static int QZ_ShowWMCursor (_THIS, WMcursor *cursor) {
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if ( cursor == NULL) {
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if ( QZ_cursor_visible ) {
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HideCursor ();
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QZ_cursor_visible = 0;
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}
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}
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else {
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SetCursor(&cursor->curs);
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if ( ! QZ_cursor_visible ) {
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ShowCursor ();
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QZ_cursor_visible = 1;
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}
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}
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return 1;
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}
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static void QZ_PrivateWarpCursor (_THIS, int fullscreen, int h, int x, int y) {
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CGPoint p;
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/* We require absolute screen coordiates for our warp */
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p.x = x;
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p.y = h - y;
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if ( fullscreen )
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/* Already absolute coordinates */
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CGDisplayMoveCursorToPoint(display_id, p);
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else {
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/* Convert to absolute screen coordinates */
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NSPoint base, screen;
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base = NSMakePoint (p.x, p.y);
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screen = [ qz_window convertBaseToScreen:base ];
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p.x = screen.x;
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p.y = device_height - screen.y;
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CGDisplayMoveCursorToPoint (display_id, p);
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}
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}
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static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y) {
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/* Only allow warping when in foreground */
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if ( ! inForeground )
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return;
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/* Do the actual warp */
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QZ_PrivateWarpCursor (this, SDL_VideoSurface->flags & SDL_FULLSCREEN,
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SDL_VideoSurface->h, x, y);
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/* Generate mouse moved event */
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SDL_PrivateMouseMotion (SDL_RELEASED, 0, x, y);
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}
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static void QZ_MoveWMCursor (_THIS, int x, int y) { }
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static void QZ_CheckMouseMode (_THIS) { }
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static void QZ_SetCaption (_THIS, const char *title, const char *icon) {
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if ( qz_window != nil ) {
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NSString *string;
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if ( title != NULL ) {
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string = [ [ NSString alloc ] initWithCString:title ];
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[ qz_window setTitle:string ];
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[ string release ];
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}
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if ( icon != NULL ) {
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string = [ [ NSString alloc ] initWithCString:icon ];
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[ qz_window setMiniwindowTitle:string ];
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[ string release ];
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}
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}
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}
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static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask) {
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/* Convert icon/mask to NSImage, assign with NSWindow's setMiniwindowImage method */
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}
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static int QZ_IconifyWindow (_THIS) {
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/* Bug! minimize erases the framebuffer */
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if ( ! [ qz_window isMiniaturized ] ) {
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[ qz_window miniaturize:nil ];
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return 1;
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}
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else {
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SDL_SetError ("qz_window already iconified");
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return 0;
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}
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}
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/*
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static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info) {
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info->nsWindowPtr = qz_window;
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return 0;
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}*/
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static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode) {
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switch (grab_mode) {
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case SDL_GRAB_QUERY:
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break;
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case SDL_GRAB_OFF:
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CGAssociateMouseAndMouseCursorPosition (1);
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currentGrabMode = SDL_GRAB_OFF;
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break;
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case SDL_GRAB_ON:
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QZ_WarpWMCursor (this, SDL_VideoSurface->w / 2, SDL_VideoSurface->h / 2);
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CGAssociateMouseAndMouseCursorPosition (0);
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currentGrabMode = SDL_GRAB_ON;
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break;
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case SDL_GRAB_FULLSCREEN:
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break;
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}
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return currentGrabMode;
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}
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