summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/SDL2/src/video/x11/SDL_x11mouse.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/SDL2/src/video/x11/SDL_x11mouse.c')
-rw-r--r--3rdparty/SDL2/src/video/x11/SDL_x11mouse.c444
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: */