Mercurial > sdl-ios-xcode
view src/video/gem/SDL_gemmouse.c @ 2153:760c1bd2d625
Reverted mousewheel support in 1.2, since it breaks binary compatibility.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 06 Jul 2007 13:45:10 +0000 |
parents | 7312feb88dad |
children | f54670a477bb |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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" /* * GEM Mouse manager * * Patrice Mandin */ #include <gem.h> #include "SDL_mouse.h" #include "../../events/SDL_events_c.h" #include "../SDL_cursor_c.h" #include "SDL_gemmouse_c.h" /* Defines */ /*#define DEBUG_VIDEO_GEM 1*/ #define MAXCURWIDTH 16 #define MAXCURHEIGHT 16 /* The implementation dependent data for the window manager cursor */ struct WMcursor { MFORM *mform_p; }; void GEM_FreeWMCursor(_THIS, WMcursor * cursor) { if (cursor == NULL) return; graf_mouse(ARROW, NULL); if (cursor->mform_p != NULL) SDL_free(cursor->mform_p); SDL_free(cursor); } WMcursor * GEM_CreateWMCursor(_THIS, Uint8 * data, Uint8 * mask, int w, int h, int hot_x, int hot_y) { WMcursor *cursor; MFORM *new_mform; int i; /* Check the size */ if ((w > MAXCURWIDTH) || (h > MAXCURHEIGHT)) { SDL_SetError("Only cursors of dimension (%dx%d) are allowed", MAXCURWIDTH, MAXCURHEIGHT); return (NULL); } /* Allocate the cursor memory */ cursor = (WMcursor *) SDL_malloc(sizeof(WMcursor)); if (cursor == NULL) { SDL_OutOfMemory(); return (NULL); } /* Allocate mform */ new_mform = (MFORM *) SDL_malloc(sizeof(MFORM)); if (new_mform == NULL) { SDL_free(cursor); SDL_OutOfMemory(); return (NULL); } cursor->mform_p = new_mform; new_mform->mf_xhot = hot_x; new_mform->mf_yhot = hot_y; new_mform->mf_nplanes = 1; new_mform->mf_fg = 0; new_mform->mf_bg = 1; for (i = 0; i < MAXCURHEIGHT; i++) { new_mform->mf_mask[i] = 0; new_mform->mf_data[i] = 0; } if (w <= 8) { for (i = 0; i < h; i++) { new_mform->mf_mask[i] = mask[i] << 8; new_mform->mf_data[i] = data[i] << 8; } } else { for (i = 0; i < h; i++) { new_mform->mf_mask[i] = mask[i << 1] << 8 | mask[(i << 1) + 1]; new_mform->mf_data[i] = data[i << 1] << 8 | data[(i << 1) + 1]; } } #ifdef DEBUG_VIDEO_GEM for (i = 0; i < h; i++) { printf("sdl:video:gem: cursor, line %d = 0x%04x\n", i, new_mform->mf_mask[i]); } printf("sdl:video:gem: CreateWMCursor(): done\n"); #endif return cursor; } int GEM_ShowWMCursor(_THIS, WMcursor * cursor) { /* if (cursor == NULL) { graf_mouse(M_OFF, NULL); } else if (cursor->mform_p) { graf_mouse(USER_DEF, cursor->mform_p); } */ #ifdef DEBUG_VIDEO_GEM printf("sdl:video:gem: ShowWMCursor(0x%08x)\n", (long) cursor); #endif return 1; } #if 0 void GEM_WarpWMCursor(_THIS, Uint16 x, Uint16 y) { /* This seems to work only on AES 3.4 (Falcon) */ EVNTREC warpevent; warpevent.ap_event = APPEVNT_MOUSE; warpevent.ap_value = (x << 16) | y; appl_tplay(&warpevent, 1, 1000); } #endif void GEM_CheckMouseMode(_THIS) { /* If the mouse is hidden and input is grabbed, we use relative mode */ if ((!(SDL_cursorstate & CURSOR_VISIBLE)) && (this->input_grab != SDL_GRAB_OFF) && (SDL_GetAppState() & SDL_APPACTIVE)) { SDL_AtariXbios_LockMousePosition(SDL_TRUE); GEM_mouse_relative = SDL_TRUE; } else { SDL_AtariXbios_LockMousePosition(SDL_FALSE); GEM_mouse_relative = SDL_FALSE; graf_mouse(M_ON, NULL); } } /* vi: set ts=4 sw=4 expandtab: */