diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/x11/SDL_x11mouse.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/x11/SDL_x11mouse.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/distrib/sdl-1.2.12/src/video/x11/SDL_x11mouse.c b/distrib/sdl-1.2.12/src/video/x11/SDL_x11mouse.c deleted file mode 100644 index 221032b..0000000 --- a/distrib/sdl-1.2.12/src/video/x11/SDL_x11mouse.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - 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" - -#include <X11/Xlib.h> -#include <X11/Xutil.h> - -#include "SDL_mouse.h" -#include "../../events/SDL_events_c.h" -#include "../SDL_cursor_c.h" -#include "SDL_x11dga_c.h" -#include "SDL_x11mouse_c.h" - - -/* The implementation dependent data for the window manager cursor */ -struct WMcursor { - Cursor x_cursor; -}; - - -void X11_FreeWMCursor(_THIS, WMcursor *cursor) -{ - if ( SDL_Display != NULL ) { - SDL_Lock_EventThread(); - XFreeCursor(SDL_Display, cursor->x_cursor); - XSync(SDL_Display, False); - SDL_Unlock_EventThread(); - } - SDL_free(cursor); -} - -WMcursor *X11_CreateWMCursor(_THIS, - Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) -{ - WMcursor *cursor; - XGCValues GCvalues; - GC GCcursor; - XImage *data_image, *mask_image; - Pixmap data_pixmap, mask_pixmap; - int clen, i; - char *x_data, *x_mask; - static XColor black = { 0, 0, 0, 0 }; - static XColor white = { 0xffff, 0xffff, 0xffff, 0xffff }; - - /* Allocate the cursor memory */ - cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); - if ( cursor == NULL ) { - SDL_OutOfMemory(); - return(NULL); - } - - /* Mix the mask and the data */ - clen = (w/8)*h; - x_data = (char *)SDL_malloc(clen); - if ( x_data == NULL ) { - SDL_free(cursor); - SDL_OutOfMemory(); - return(NULL); - } - x_mask = (char *)SDL_malloc(clen); - if ( x_mask == NULL ) { - SDL_free(cursor); - SDL_free(x_data); - SDL_OutOfMemory(); - return(NULL); - } - for ( i=0; i<clen; ++i ) { - /* The mask is OR'd with the data to turn inverted color - pixels black since inverted color cursors aren't supported - under X11. - */ - x_mask[i] = data[i] | mask[i]; - x_data[i] = data[i]; - } - - /* Prevent the event thread from running while we use the X server */ - SDL_Lock_EventThread(); - - /* Create the data image */ - data_image = XCreateImage(SDL_Display, - DefaultVisual(SDL_Display, SDL_Screen), - 1, XYBitmap, 0, x_data, w, h, 8, w/8); - data_image->byte_order = MSBFirst; - data_image->bitmap_bit_order = MSBFirst; - data_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); - - /* Create the data mask */ - mask_image = XCreateImage(SDL_Display, - DefaultVisual(SDL_Display, SDL_Screen), - 1, XYBitmap, 0, x_mask, w, h, 8, w/8); - mask_image->byte_order = MSBFirst; - mask_image->bitmap_bit_order = MSBFirst; - mask_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); - - /* Create the graphics context */ - GCvalues.function = GXcopy; - GCvalues.foreground = ~0; - GCvalues.background = 0; - GCvalues.plane_mask = AllPlanes; - GCcursor = XCreateGC(SDL_Display, data_pixmap, - (GCFunction|GCForeground|GCBackground|GCPlaneMask), - &GCvalues); - - /* Blit the images to the pixmaps */ - XPutImage(SDL_Display, data_pixmap, GCcursor, data_image, - 0, 0, 0, 0, w, h); - XPutImage(SDL_Display, mask_pixmap, GCcursor, mask_image, - 0, 0, 0, 0, w, h); - XFreeGC(SDL_Display, GCcursor); - /* These free the x_data and x_mask memory pointers */ - XDestroyImage(data_image); - XDestroyImage(mask_image); - - /* Create the cursor */ - cursor->x_cursor = XCreatePixmapCursor(SDL_Display, data_pixmap, - mask_pixmap, &black, &white, hot_x, hot_y); - XFreePixmap(SDL_Display, data_pixmap); - XFreePixmap(SDL_Display, mask_pixmap); - - /* Release the event thread */ - XSync(SDL_Display, False); - SDL_Unlock_EventThread(); - - return(cursor); -} - -int X11_ShowWMCursor(_THIS, WMcursor *cursor) -{ - /* Don't do anything if the display is gone */ - if ( SDL_Display == NULL ) { - return(0); - } - - /* Set the X11 cursor cursor, or blank if cursor is NULL */ - if ( SDL_Window ) { - SDL_Lock_EventThread(); - if ( cursor == NULL ) { - if ( SDL_BlankCursor != NULL ) { - XDefineCursor(SDL_Display, SDL_Window, - SDL_BlankCursor->x_cursor); - } - } else { - XDefineCursor(SDL_Display, SDL_Window, cursor->x_cursor); - } - XSync(SDL_Display, False); - SDL_Unlock_EventThread(); - } - return(1); -} - -void X11_WarpWMCursor(_THIS, Uint16 x, Uint16 y) -{ - if ( using_dga & DGA_MOUSE ) { - SDL_PrivateMouseMotion(0, 0, x, y); - } else if ( mouse_relative) { - /* RJR: March 28, 2000 - leave physical cursor at center of screen if - mouse hidden and grabbed */ - SDL_PrivateMouseMotion(0, 0, x, y); - } else { - SDL_Lock_EventThread(); - XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, x, y); - XSync(SDL_Display, False); - SDL_Unlock_EventThread(); - } -} - -/* Sets the mouse acceleration from a string of the form: - 2/1/0 - The first number is the numerator, followed by the acceleration - denumenator and threshold. -*/ -static void SetMouseAccel(_THIS, const char *accel_param) -{ - int i; - size_t len; - int accel_value[3]; - char *mouse_param, *mouse_param_buf, *pin; - - len = SDL_strlen(accel_param)+1; - mouse_param_buf = SDL_stack_alloc(char, len); - if ( ! mouse_param_buf ) { - return; - } - SDL_strlcpy(mouse_param_buf, accel_param, len); - mouse_param = mouse_param_buf; - - for ( i=0; (i < 3) && mouse_param; ++i ) { - pin = SDL_strchr(mouse_param, '/'); - if ( pin ) { - *pin = '\0'; - } - accel_value[i] = atoi(mouse_param); - if ( pin ) { - mouse_param = pin+1; - } else { - mouse_param = NULL; - } - } - if ( i == 3 ) { - XChangePointerControl(SDL_Display, True, True, - accel_value[0], accel_value[1], accel_value[2]); - } - SDL_stack_free(mouse_param_buf); -} - -/* Check to see if we need to enter or leave mouse relative mode */ -void X11_CheckMouseModeNoLock(_THIS) -{ - const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); - char *env_override; - int enable_relative = 1; - - /* Allow the user to override the relative mouse mode. - They almost never want to do this, as it seriously affects - applications that rely on continuous relative mouse motion. - */ - env_override = SDL_getenv("SDL_MOUSE_RELATIVE"); - if ( env_override ) { - enable_relative = atoi(env_override); - } - - /* If the mouse is hidden and input is grabbed, we use relative mode */ - if ( enable_relative && - !(SDL_cursorstate & CURSOR_VISIBLE) && - (this->input_grab != SDL_GRAB_OFF) && - (SDL_GetAppState() & full_focus) == full_focus ) { - if ( ! mouse_relative ) { - X11_EnableDGAMouse(this); - if ( ! (using_dga & DGA_MOUSE) ) { - char *xmouse_accel; - - SDL_GetMouseState(&mouse_last.x, &mouse_last.y); - /* Use as raw mouse mickeys as possible */ - XGetPointerControl(SDL_Display, - &mouse_accel.numerator, - &mouse_accel.denominator, - &mouse_accel.threshold); - xmouse_accel=SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL"); - if ( xmouse_accel ) { - SetMouseAccel(this, xmouse_accel); - } - } - mouse_relative = 1; - } - } else { - if ( mouse_relative ) { - if ( using_dga & DGA_MOUSE ) { - X11_DisableDGAMouse(this); - } else { - XChangePointerControl(SDL_Display, True, True, - mouse_accel.numerator, - mouse_accel.denominator, - mouse_accel.threshold); - } - mouse_relative = 0; - } - } -} -void X11_CheckMouseMode(_THIS) -{ - SDL_Lock_EventThread(); - X11_CheckMouseModeNoLock(this); - SDL_Unlock_EventThread(); -} |