Mercurial > sdl-ios-xcode
diff src/video/x11/SDL_x11mouse.c @ 1895:c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 10 Jul 2006 21:04:37 +0000 |
parents | db7e15a99cb3 |
children |
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--- a/src/video/x11/SDL_x11mouse.c Thu Jul 06 18:01:37 2006 +0000 +++ b/src/video/x11/SDL_x11mouse.c Mon Jul 10 21:04:37 2006 +0000 @@ -32,156 +32,163 @@ /* The implementation dependent data for the window manager cursor */ -struct WMcursor { - Cursor x_cursor; +struct WMcursor +{ + Cursor x_cursor; }; -void X11_FreeWMCursor(_THIS, WMcursor *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); + 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 * +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 }; + 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); - } + /* 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(); + /* 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]; + } - /* 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); + /* Prevent the event thread from running while we use the X server */ + SDL_Lock_EventThread(); - /* 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 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); + /* 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); + /* 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); + /* 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(); + /* Release the event thread */ + XSync(SDL_Display, False); + SDL_Unlock_EventThread(); - return(cursor); + return (cursor); } -int X11_ShowWMCursor(_THIS, WMcursor *cursor) +int +X11_ShowWMCursor(_THIS, WMcursor * cursor) { - /* Don't do anything if the display is gone */ - if ( SDL_Display == NULL ) { - return(0); - } + /* 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); + /* 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) +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(); - } + 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: @@ -189,96 +196,102 @@ The first number is the numerator, followed by the acceleration denumenator and threshold. */ -static void SetMouseAccel(_THIS, const char *accel_param) +static void +SetMouseAccel(_THIS, const char *accel_param) { - int i; - size_t len; - int accel_value[3]; - char *mouse_param, *mouse_param_buf, *pin; + 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; + 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 ( mouse_param_buf ) { - XChangePointerControl(SDL_Display, True, True, - accel_value[0], accel_value[1], accel_value[2]); - SDL_free(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 (mouse_param_buf) { + XChangePointerControl(SDL_Display, True, True, + accel_value[0], accel_value[1], accel_value[2]); + SDL_free(mouse_param_buf); + } } /* Check to see if we need to enter or leave mouse relative mode */ -void X11_CheckMouseModeNoLock(_THIS) +void +X11_CheckMouseModeNoLock(_THIS) { - const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); - char *env_override; - int enable_relative = 1; + 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); - } + /* 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; + /* If the mouse is hidden and input is grabbed, we use relative mode */ + if (enable_relative && + !(SDL_cursorstate & CURSOR_VISIBLE) && + (SDL_CurrentWindow.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; - } - } + 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) +void +X11_CheckMouseMode(_THIS) { - SDL_Lock_EventThread(); - X11_CheckMouseModeNoLock(this); - SDL_Unlock_EventThread(); + SDL_Lock_EventThread(); + X11_CheckMouseModeNoLock(this); + SDL_Unlock_EventThread(); } + +/* vi: set ts=4 sw=4 expandtab: */