19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <X11/Xlib.h> 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <X11/Xutil.h> 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_mouse.h" 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../../events/SDL_events_c.h" 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_cursor_c.h" 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_x11dga_c.h" 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_x11mouse_c.h" 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* The implementation dependent data for the window manager cursor */ 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstruct WMcursor { 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Cursor x_cursor; 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid X11_FreeWMCursor(_THIS, WMcursor *cursor) 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_Display != NULL ) { 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XFreeCursor(SDL_Display, cursor->x_cursor); 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XSync(SDL_Display, False); 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(cursor); 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallWMcursor *X11_CreateWMCursor(_THIS, 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall WMcursor *cursor; 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XGCValues GCvalues; 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GC GCcursor; 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XImage *data_image, *mask_image; 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Pixmap data_pixmap, mask_pixmap; 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int clen, i; 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *x_data, *x_mask; 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall static XColor black = { 0, 0, 0, 0 }; 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall static XColor white = { 0xffff, 0xffff, 0xffff, 0xffff }; 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Allocate the cursor memory */ 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( cursor == NULL ) { 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Mix the mask and the data */ 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall clen = (w/8)*h; 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall x_data = (char *)SDL_malloc(clen); 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( x_data == NULL ) { 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(cursor); 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall x_mask = (char *)SDL_malloc(clen); 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( x_mask == NULL ) { 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(cursor); 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(x_data); 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i<clen; ++i ) { 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* The mask is OR'd with the data to turn inverted color 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pixels black since inverted color cursors aren't supported 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall under X11. 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall x_mask[i] = data[i] | mask[i]; 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall x_data[i] = data[i]; 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Prevent the event thread from running while we use the X server */ 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Create the data image */ 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall data_image = XCreateImage(SDL_Display, 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall DefaultVisual(SDL_Display, SDL_Screen), 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1, XYBitmap, 0, x_data, w, h, 8, w/8); 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall data_image->byte_order = MSBFirst; 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall data_image->bitmap_bit_order = MSBFirst; 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall data_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Create the data mask */ 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mask_image = XCreateImage(SDL_Display, 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall DefaultVisual(SDL_Display, SDL_Screen), 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1, XYBitmap, 0, x_mask, w, h, 8, w/8); 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mask_image->byte_order = MSBFirst; 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mask_image->bitmap_bit_order = MSBFirst; 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mask_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Create the graphics context */ 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GCvalues.function = GXcopy; 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GCvalues.foreground = ~0; 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GCvalues.background = 0; 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GCvalues.plane_mask = AllPlanes; 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall GCcursor = XCreateGC(SDL_Display, data_pixmap, 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (GCFunction|GCForeground|GCBackground|GCPlaneMask), 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall &GCvalues); 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Blit the images to the pixmaps */ 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XPutImage(SDL_Display, data_pixmap, GCcursor, data_image, 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 0, 0, 0, 0, w, h); 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XPutImage(SDL_Display, mask_pixmap, GCcursor, mask_image, 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 0, 0, 0, 0, w, h); 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XFreeGC(SDL_Display, GCcursor); 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* These free the x_data and x_mask memory pointers */ 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XDestroyImage(data_image); 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XDestroyImage(mask_image); 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Create the cursor */ 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cursor->x_cursor = XCreatePixmapCursor(SDL_Display, data_pixmap, 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mask_pixmap, &black, &white, hot_x, hot_y); 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XFreePixmap(SDL_Display, data_pixmap); 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XFreePixmap(SDL_Display, mask_pixmap); 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Release the event thread */ 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XSync(SDL_Display, False); 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(cursor); 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint X11_ShowWMCursor(_THIS, WMcursor *cursor) 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Don't do anything if the display is gone */ 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_Display == NULL ) { 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Set the X11 cursor cursor, or blank if cursor is NULL */ 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_Window ) { 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( cursor == NULL ) { 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_BlankCursor != NULL ) { 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XDefineCursor(SDL_Display, SDL_Window, 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_BlankCursor->x_cursor); 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XDefineCursor(SDL_Display, SDL_Window, cursor->x_cursor); 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XSync(SDL_Display, False); 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(1); 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid X11_WarpWMCursor(_THIS, Uint16 x, Uint16 y) 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( using_dga & DGA_MOUSE ) { 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateMouseMotion(0, 0, x, y); 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else if ( mouse_relative) { 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* RJR: March 28, 2000 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall leave physical cursor at center of screen if 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse hidden and grabbed */ 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateMouseMotion(0, 0, x, y); 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, x, y); 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XSync(SDL_Display, False); 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Sets the mouse acceleration from a string of the form: 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2/1/0 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall The first number is the numerator, followed by the acceleration 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall denumenator and threshold. 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void SetMouseAccel(_THIS, const char *accel_param) 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall size_t len; 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int accel_value[3]; 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *mouse_param, *mouse_param_buf, *pin; 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall len = SDL_strlen(accel_param)+1; 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_param_buf = SDL_stack_alloc(char, len); 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! mouse_param_buf ) { 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_strlcpy(mouse_param_buf, accel_param, len); 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_param = mouse_param_buf; 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; (i < 3) && mouse_param; ++i ) { 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pin = SDL_strchr(mouse_param, '/'); 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( pin ) { 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall *pin = '\0'; 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall accel_value[i] = atoi(mouse_param); 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( pin ) { 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_param = pin+1; 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_param = NULL; 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( i == 3 ) { 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XChangePointerControl(SDL_Display, True, True, 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall accel_value[0], accel_value[1], accel_value[2]); 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_stack_free(mouse_param_buf); 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Check to see if we need to enter or leave mouse relative mode */ 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid X11_CheckMouseModeNoLock(_THIS) 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *env_override; 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int enable_relative = 1; 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* This happens when quiting after an xio error */ 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_Display == NULL ) 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Allow the user to override the relative mouse mode. 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall They almost never want to do this, as it seriously affects 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall applications that rely on continuous relative mouse motion. 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall env_override = SDL_getenv("SDL_MOUSE_RELATIVE"); 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( env_override ) { 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall enable_relative = atoi(env_override); 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* If the mouse is hidden and input is grabbed, we use relative mode */ 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( enable_relative && 2489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall !(SDL_cursorstate & CURSOR_VISIBLE) && 2499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (this->input_grab != SDL_GRAB_OFF) && 2509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (SDL_GetAppState() & full_focus) == full_focus ) { 2519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! mouse_relative ) { 2529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall X11_EnableDGAMouse(this); 2539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! (using_dga & DGA_MOUSE) ) { 2549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *xmouse_accel; 2559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_GetMouseState(&mouse_last.x, &mouse_last.y); 2579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Use as raw mouse mickeys as possible */ 2589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XGetPointerControl(SDL_Display, 2599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall &mouse_accel.numerator, 2609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall &mouse_accel.denominator, 2619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall &mouse_accel.threshold); 2629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall xmouse_accel=SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL"); 2639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( xmouse_accel ) { 2649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SetMouseAccel(this, xmouse_accel); 2659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_relative = 1; 2689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( mouse_relative ) { 2719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( using_dga & DGA_MOUSE ) { 2729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall X11_DisableDGAMouse(this); 2739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall XChangePointerControl(SDL_Display, True, True, 2759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_accel.numerator, 2769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_accel.denominator, 2779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_accel.threshold); 2789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mouse_relative = 0; 2809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid X11_CheckMouseMode(_THIS) 2849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 2869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall X11_CheckMouseModeNoLock(this); 2879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 2889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 289