diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsmouse.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsmouse.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsmouse.c b/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsmouse.c new file mode 100644 index 0000000..e0d320d --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsmouse.c @@ -0,0 +1,146 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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" + +#include <sys/ioctl.h> + +#include "SDL_mouse.h" +#include "../../events/SDL_events_c.h" +#include "../SDL_cursor_c.h" +#include "SDL_gsvideo.h" +#include "SDL_gsmouse_c.h" + + +/* The implementation dependent data for the window manager cursor */ +struct WMcursor { + int unused; +}; + +/* There isn't any implementation dependent data */ +void GS_FreeWMCursor(_THIS, WMcursor *cursor) +{ + return; +} + +/* There isn't any implementation dependent data */ +WMcursor *GS_CreateWMCursor(_THIS, + Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) +{ + return((WMcursor *)0x01); +} + +static void GS_MoveCursor(_THIS, SDL_Cursor *cursor, int x, int y) +{ + SDL_Surface *screen; + struct ps2_image image; + SDL_Rect area; + int mouse_y1, mouse_y2; + void *saved_pixels; + int screen_updated; + + /* Lock so we don't interrupt an update with mouse motion */ + SDL_LockCursor(); + + /* Make sure any pending DMA has completed */ + if ( dma_pending ) { + ioctl(console_fd, PS2IOC_SENDQCT, 1); + dma_pending = 0; + } + + /* Remove the cursor image from the DMA area */ + screen = this->screen; + saved_pixels = screen->pixels; + screen->pixels = mapped_mem + screen->offset; + screen_updated = 0; + if ( cursor_drawn ) { + SDL_EraseCursorNoLock(screen); + cursor_drawn = 0; + screen_updated = 1; + } + + /* Save the current mouse area */ + SDL_MouseRect(&area); + mouse_y1 = area.y; + mouse_y2 = area.y+area.h; + + /* Only draw the new cursor if there was one passed in */ + if ( cursor ) { + /* Set the new location */ + cursor->area.x = (x - cursor->hot_x); + cursor->area.y = (y - cursor->hot_y); + + /* Draw the cursor at the new location */ + if ( (SDL_cursorstate & CURSOR_VISIBLE) && screen->pixels ) { + SDL_DrawCursorNoLock(screen); + cursor_drawn = 1; + screen_updated = 1; + } + } + screen->pixels = saved_pixels; + + /* Update the affected area of the screen */ + if ( screen_updated ) { + SDL_MouseRect(&area); + if ( area.y < mouse_y1 ) { + mouse_y1 = area.y; + } + if ( (area.y+area.h) > mouse_y2 ) { + mouse_y2 = area.y+area.h; + } + image = screen_image; + image.y += screen->offset / screen->pitch + mouse_y1; + image.h = mouse_y2 - mouse_y1; + image.ptr = mapped_mem + + (image.y - screen_image.y) * screen->pitch; + ioctl(console_fd, PS2IOC_LOADIMAGE, &image); + + /* Need to scale offscreen image to TV output */ + if ( image.y > 0 ) { + scaleimage_nonblock(console_fd, + tex_tags_mem, scale_tags_mem); + } + } + + /* We're finished */ + SDL_UnlockCursor(); +} + +void GS_MoveWMCursor(_THIS, int x, int y) +{ + GS_MoveCursor(this, SDL_cursor, x, y); +} + +int GS_ShowWMCursor(_THIS, WMcursor *wmcursor) +{ + SDL_Cursor *cursor; + int x, y; + + /* Draw the cursor at the appropriate location */ + SDL_GetMouseState(&x, &y); + if ( wmcursor ) { + cursor = SDL_cursor; + } else { + cursor = NULL; + } + GS_MoveCursor(this, cursor, x, y); + return(1); +} |