diff options
Diffstat (limited to '3rdparty/SDL2/src/video/x11/SDL_x11mouse.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/x11/SDL_x11mouse.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/3rdparty/SDL2/src/video/x11/SDL_x11mouse.c b/3rdparty/SDL2/src/video/x11/SDL_x11mouse.c deleted file mode 100644 index e1a16c22524..00000000000 --- a/3rdparty/SDL2/src/video/x11/SDL_x11mouse.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_X11 - -#include <X11/cursorfont.h> -#include "SDL_assert.h" -#include "SDL_x11video.h" -#include "SDL_x11mouse.h" -#include "SDL_x11xinput2.h" -#include "../../events/SDL_mouse_c.h" - - -/* FIXME: Find a better place to put this... */ -static Cursor x11_empty_cursor = None; - -static Display * -GetDisplay(void) -{ - return ((SDL_VideoData *)SDL_GetVideoDevice()->driverdata)->display; -} - -static Cursor -X11_CreateEmptyCursor() -{ - if (x11_empty_cursor == None) { - Display *display = GetDisplay(); - char data[1]; - XColor color; - Pixmap pixmap; - - SDL_zero(data); - color.red = color.green = color.blue = 0; - pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display), - data, 1, 1); - if (pixmap) { - x11_empty_cursor = X11_XCreatePixmapCursor(display, pixmap, pixmap, - &color, &color, 0, 0); - X11_XFreePixmap(display, pixmap); - } - } - return x11_empty_cursor; -} - -static void -X11_DestroyEmptyCursor(void) -{ - if (x11_empty_cursor != None) { - X11_XFreeCursor(GetDisplay(), x11_empty_cursor); - x11_empty_cursor = None; - } -} - -static SDL_Cursor * -X11_CreateDefaultCursor() -{ - SDL_Cursor *cursor; - - cursor = SDL_calloc(1, sizeof(*cursor)); - if (cursor) { - /* None is used to indicate the default cursor */ - cursor->driverdata = (void*)None; - } else { - SDL_OutOfMemory(); - } - - return cursor; -} - -#if SDL_VIDEO_DRIVER_X11_XCURSOR -static Cursor -X11_CreateXCursorCursor(SDL_Surface * surface, int hot_x, int hot_y) -{ - Display *display = GetDisplay(); - Cursor cursor = None; - XcursorImage *image; - - image = X11_XcursorImageCreate(surface->w, surface->h); - if (!image) { - SDL_OutOfMemory(); - return None; - } - image->xhot = hot_x; - image->yhot = hot_y; - image->delay = 0; - - SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888); - SDL_assert(surface->pitch == surface->w * 4); - SDL_memcpy(image->pixels, surface->pixels, surface->h * surface->pitch); - - cursor = X11_XcursorImageLoadCursor(display, image); - - X11_XcursorImageDestroy(image); - - return cursor; -} -#endif /* SDL_VIDEO_DRIVER_X11_XCURSOR */ - -static Cursor -X11_CreatePixmapCursor(SDL_Surface * surface, int hot_x, int hot_y) -{ - Display *display = GetDisplay(); - XColor fg, bg; - Cursor cursor = None; - Uint32 *ptr; - Uint8 *data_bits, *mask_bits; - Pixmap data_pixmap, mask_pixmap; - int x, y; - unsigned int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits; - unsigned int width_bytes = ((surface->w + 7) & ~7) / 8; - - data_bits = SDL_calloc(1, surface->h * width_bytes); - if (!data_bits) { - SDL_OutOfMemory(); - return None; - } - - mask_bits = SDL_calloc(1, surface->h * width_bytes); - if (!mask_bits) { - SDL_free(data_bits); - SDL_OutOfMemory(); - return None; - } - - /* Code below assumes ARGB pixel format */ - SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888); - - rfg = gfg = bfg = rbg = gbg = bbg = fgBits = bgBits = 0; - for (y = 0; y < surface->h; ++y) { - ptr = (Uint32 *)((Uint8 *)surface->pixels + y * surface->pitch); - for (x = 0; x < surface->w; ++x) { - int alpha = (*ptr >> 24) & 0xff; - int red = (*ptr >> 16) & 0xff; - int green = (*ptr >> 8) & 0xff; - int blue = (*ptr >> 0) & 0xff; - if (alpha > 25) { - mask_bits[y * width_bytes + x / 8] |= (0x01 << (x % 8)); - - if ((red + green + blue) > 0x40) { - fgBits++; - rfg += red; - gfg += green; - bfg += blue; - data_bits[y * width_bytes + x / 8] |= (0x01 << (x % 8)); - } else { - bgBits++; - rbg += red; - gbg += green; - bbg += blue; - } - } - ++ptr; - } - } - - if (fgBits) { - fg.red = rfg * 257 / fgBits; - fg.green = gfg * 257 / fgBits; - fg.blue = bfg * 257 / fgBits; - } - else fg.red = fg.green = fg.blue = 0; - - if (bgBits) { - bg.red = rbg * 257 / bgBits; - bg.green = gbg * 257 / bgBits; - bg.blue = bbg * 257 / bgBits; - } - else bg.red = bg.green = bg.blue = 0; - - data_pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display), - (char*)data_bits, - surface->w, surface->h); - mask_pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display), - (char*)mask_bits, - surface->w, surface->h); - cursor = X11_XCreatePixmapCursor(display, data_pixmap, mask_pixmap, - &fg, &bg, hot_x, hot_y); - X11_XFreePixmap(display, data_pixmap); - X11_XFreePixmap(display, mask_pixmap); - - return cursor; -} - -static SDL_Cursor * -X11_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y) -{ - SDL_Cursor *cursor; - - cursor = SDL_calloc(1, sizeof(*cursor)); - if (cursor) { - Cursor x11_cursor = None; - -#if SDL_VIDEO_DRIVER_X11_XCURSOR - if (SDL_X11_HAVE_XCURSOR) { - x11_cursor = X11_CreateXCursorCursor(surface, hot_x, hot_y); - } -#endif - if (x11_cursor == None) { - x11_cursor = X11_CreatePixmapCursor(surface, hot_x, hot_y); - } - cursor->driverdata = (void*)x11_cursor; - } else { - SDL_OutOfMemory(); - } - - return cursor; -} - -static SDL_Cursor * -X11_CreateSystemCursor(SDL_SystemCursor id) -{ - SDL_Cursor *cursor; - unsigned int shape; - - switch(id) - { - default: - SDL_assert(0); - return NULL; - /* X Font Cursors reference: */ - /* http://tronche.com/gui/x/xlib/appendix/b/ */ - case SDL_SYSTEM_CURSOR_ARROW: shape = XC_left_ptr; break; - case SDL_SYSTEM_CURSOR_IBEAM: shape = XC_xterm; break; - case SDL_SYSTEM_CURSOR_WAIT: shape = XC_watch; break; - case SDL_SYSTEM_CURSOR_CROSSHAIR: shape = XC_tcross; break; - case SDL_SYSTEM_CURSOR_WAITARROW: shape = XC_watch; break; - case SDL_SYSTEM_CURSOR_SIZENWSE: shape = XC_fleur; break; - case SDL_SYSTEM_CURSOR_SIZENESW: shape = XC_fleur; break; - case SDL_SYSTEM_CURSOR_SIZEWE: shape = XC_sb_h_double_arrow; break; - case SDL_SYSTEM_CURSOR_SIZENS: shape = XC_sb_v_double_arrow; break; - case SDL_SYSTEM_CURSOR_SIZEALL: shape = XC_fleur; break; - case SDL_SYSTEM_CURSOR_NO: shape = XC_pirate; break; - case SDL_SYSTEM_CURSOR_HAND: shape = XC_hand2; break; - } - - cursor = SDL_calloc(1, sizeof(*cursor)); - if (cursor) { - Cursor x11_cursor; - - x11_cursor = X11_XCreateFontCursor(GetDisplay(), shape); - - cursor->driverdata = (void*)x11_cursor; - } else { - SDL_OutOfMemory(); - } - - return cursor; -} - -static void -X11_FreeCursor(SDL_Cursor * cursor) -{ - Cursor x11_cursor = (Cursor)cursor->driverdata; - - if (x11_cursor != None) { - X11_XFreeCursor(GetDisplay(), x11_cursor); - } - SDL_free(cursor); -} - -static int -X11_ShowCursor(SDL_Cursor * cursor) -{ - Cursor x11_cursor = 0; - - if (cursor) { - x11_cursor = (Cursor)cursor->driverdata; - } else { - x11_cursor = X11_CreateEmptyCursor(); - } - - /* FIXME: Is there a better way than this? */ - { - SDL_VideoDevice *video = SDL_GetVideoDevice(); - Display *display = GetDisplay(); - SDL_Window *window; - SDL_WindowData *data; - - for (window = video->windows; window; window = window->next) { - data = (SDL_WindowData *)window->driverdata; - if (x11_cursor != None) { - X11_XDefineCursor(display, data->xwindow, x11_cursor); - } else { - X11_XUndefineCursor(display, data->xwindow); - } - } - X11_XFlush(display); - } - return 0; -} - -static void -X11_WarpMouse(SDL_Window * window, int x, int y) -{ - SDL_WindowData *data = (SDL_WindowData *) window->driverdata; - Display *display = data->videodata->display; - - X11_XWarpPointer(display, None, data->xwindow, 0, 0, 0, 0, x, y); - X11_XSync(display, False); -} - -static int -X11_WarpMouseGlobal(int x, int y) -{ - Display *display = GetDisplay(); - - X11_XWarpPointer(display, None, DefaultRootWindow(display), 0, 0, 0, 0, x, y); - X11_XSync(display, False); - return 0; -} - -static int -X11_SetRelativeMouseMode(SDL_bool enabled) -{ -#if SDL_VIDEO_DRIVER_X11_XINPUT2 - if(X11_Xinput2IsInitialized()) - return 0; -#else - SDL_Unsupported(); -#endif - return -1; -} - -static int -X11_CaptureMouse(SDL_Window *window) -{ - Display *display = GetDisplay(); - - if (window) { - SDL_WindowData *data = (SDL_WindowData *) window->driverdata; - const unsigned int mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask; - const int rc = X11_XGrabPointer(display, data->xwindow, False, - mask, GrabModeAsync, GrabModeAsync, - None, None, CurrentTime); - if (rc != GrabSuccess) { - return SDL_SetError("X server refused mouse capture"); - } - } else { - X11_XUngrabPointer(display, CurrentTime); - } - - X11_XSync(display, False); - - return 0; -} - -static Uint32 -X11_GetGlobalMouseState(int *x, int *y) -{ - SDL_VideoData *videodata = (SDL_VideoData *) SDL_GetVideoDevice()->driverdata; - Display *display = GetDisplay(); - const int num_screens = SDL_GetNumVideoDisplays(); - int i; - - /* !!! FIXME: should we XSync() here first? */ - -#if !SDL_VIDEO_DRIVER_X11_XINPUT2 - videodata->global_mouse_changed = SDL_TRUE; -#endif - - /* check if we have this cached since XInput last saw the mouse move. */ - /* !!! FIXME: can we just calculate this from XInput's events? */ - if (videodata->global_mouse_changed) { - for (i = 0; i < num_screens; i++) { - SDL_DisplayData *data = (SDL_DisplayData *) SDL_GetDisplayDriverData(i); - if (data != NULL) { - Window root, child; - int rootx, rooty, winx, winy; - unsigned int mask; - if (X11_XQueryPointer(display, RootWindow(display, data->screen), &root, &child, &rootx, &rooty, &winx, &winy, &mask)) { - XWindowAttributes root_attrs; - Uint32 buttons = 0; - buttons |= (mask & Button1Mask) ? SDL_BUTTON_LMASK : 0; - buttons |= (mask & Button2Mask) ? SDL_BUTTON_MMASK : 0; - buttons |= (mask & Button3Mask) ? SDL_BUTTON_RMASK : 0; - /* SDL_DisplayData->x,y point to screen origin, and adding them to mouse coordinates relative to root window doesn't do the right thing - * (observed on dual monitor setup with primary display being the rightmost one - mouse was offset to the right). - * - * Adding root position to root-relative coordinates seems to be a better way to get absolute position. */ - X11_XGetWindowAttributes(display, root, &root_attrs); - videodata->global_mouse_position.x = root_attrs.x + rootx; - videodata->global_mouse_position.y = root_attrs.y + rooty; - videodata->global_mouse_buttons = buttons; - videodata->global_mouse_changed = SDL_FALSE; - break; - } - } - } - } - - SDL_assert(!videodata->global_mouse_changed); /* The pointer wasn't on any X11 screen?! */ - - *x = videodata->global_mouse_position.x; - *y = videodata->global_mouse_position.y; - return videodata->global_mouse_buttons; -} - - -void -X11_InitMouse(_THIS) -{ - SDL_Mouse *mouse = SDL_GetMouse(); - - mouse->CreateCursor = X11_CreateCursor; - mouse->CreateSystemCursor = X11_CreateSystemCursor; - mouse->ShowCursor = X11_ShowCursor; - mouse->FreeCursor = X11_FreeCursor; - mouse->WarpMouse = X11_WarpMouse; - mouse->WarpMouseGlobal = X11_WarpMouseGlobal; - mouse->SetRelativeMouseMode = X11_SetRelativeMouseMode; - mouse->CaptureMouse = X11_CaptureMouse; - mouse->GetGlobalMouseState = X11_GetGlobalMouseState; - - SDL_SetDefaultCursor(X11_CreateDefaultCursor()); -} - -void -X11_QuitMouse(_THIS) -{ - X11_DestroyEmptyCursor(); -} - -#endif /* SDL_VIDEO_DRIVER_X11 */ - -/* vi: set ts=4 sw=4 expandtab: */ |