176 lines
3.8 KiB
Objective-C
176 lines
3.8 KiB
Objective-C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2011 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_events.h"
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#include "SDL_cocoavideo.h"
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#include "../../events/SDL_mouse_c.h"
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static SDL_Cursor *
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Cocoa_CreateDefaultCursor()
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSCursor *nscursor;
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SDL_Cursor *cursor = NULL;
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nscursor = [NSCursor arrowCursor];
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if (nscursor) {
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cursor = SDL_calloc(1, sizeof(*cursor));
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if (cursor) {
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cursor->driverdata = nscursor;
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[nscursor retain];
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}
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}
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[pool release];
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return cursor;
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}
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static SDL_Cursor *
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Cocoa_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSImage *nsimage;
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NSCursor *nscursor = NULL;
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SDL_Cursor *cursor = NULL;
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nsimage = Cocoa_CreateImage(surface);
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if (nsimage) {
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nscursor = [[NSCursor alloc] initWithImage: nsimage hotSpot: NSMakePoint(hot_x, hot_y)];
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}
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if (nscursor) {
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cursor = SDL_calloc(1, sizeof(*cursor));
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if (cursor) {
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cursor->driverdata = nscursor;
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}
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}
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[pool release];
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return cursor;
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}
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static void
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Cocoa_FreeCursor(SDL_Cursor * cursor)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSCursor *nscursor = (NSCursor *)cursor->driverdata;
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[nscursor release];
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[pool release];
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}
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static int
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Cocoa_ShowCursor(SDL_Cursor * cursor)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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if (SDL_GetMouseFocus()) {
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if (cursor) {
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[NSCursor unhide];
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} else {
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[NSCursor hide];
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}
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}
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[pool release];
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return 0;
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}
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static void
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Cocoa_WarpMouse(SDL_Window * window, int x, int y)
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{
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CGPoint point;
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point.x = (CGFloat)window->x + x;
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point.y = (CGFloat)window->y + y;
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CGWarpMouseCursorPosition(point);
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}
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void
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Cocoa_InitMouse(_THIS)
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{
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SDL_Mouse *mouse = SDL_GetMouse();
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SDL_Cursor *cursor;
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mouse->CreateCursor = Cocoa_CreateCursor;
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mouse->ShowCursor = Cocoa_ShowCursor;
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mouse->WarpMouse = Cocoa_WarpMouse;
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mouse->FreeCursor = Cocoa_FreeCursor;
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cursor = Cocoa_CreateDefaultCursor();
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mouse->cursors = mouse->cur_cursor = cursor;
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}
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static int
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ConvertMouseButtonToSDL(int button)
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{
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switch (button)
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{
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case 0:
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return(SDL_BUTTON_LEFT); /* 1 */
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case 1:
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return(SDL_BUTTON_RIGHT); /* 3 */
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case 2:
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return(SDL_BUTTON_MIDDLE); /* 2 */
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}
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return button+1;
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}
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void
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Cocoa_HandleMouseEvent(_THIS, NSEvent *event)
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{
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/* We're correctly using views even in fullscreen mode now */
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}
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void
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Cocoa_HandleMouseWheel(SDL_Window *window, NSEvent *event)
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{
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float x = [event deltaX];
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float y = [event deltaY];
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if (x > 0) {
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x += 0.9f;
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} else if (x < 0) {
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x -= 0.9f;
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}
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if (y > 0) {
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y += 0.9f;
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} else if (y < 0) {
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y -= 0.9f;
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}
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SDL_SendMouseWheel(window, (int)x, (int)y);
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}
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void
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Cocoa_QuitMouse(_THIS)
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{
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}
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/* vi: set ts=4 sw=4 expandtab: */
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