From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c | 552 ------------------------- 1 file changed, 552 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c (limited to 'contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c') diff --git a/contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c b/contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c deleted file mode 100644 index 5c72dbf..0000000 --- a/contrib/SDL-3.2.8/src/video/x11/SDL_x11mouse.c +++ /dev/null @@ -1,552 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - 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" - -#ifdef SDL_VIDEO_DRIVER_X11 - -#include -#include "SDL_x11video.h" -#include "SDL_x11mouse.h" -#include "SDL_x11xinput2.h" -#include "../SDL_video_c.h" -#include "../../events/SDL_mouse_c.h" - -struct SDL_CursorData -{ - Cursor cursor; -}; - -// FIXME: Find a better place to put this... -static Cursor x11_empty_cursor = None; -static bool x11_cursor_visible = true; - -static SDL_Cursor *sys_cursors[SDL_HITTEST_RESIZE_LEFT + 1]; - -static Display *GetDisplay(void) -{ - return SDL_GetVideoDevice()->internal->display; -} - -static Cursor X11_CreateEmptyCursor(void) -{ - if (x11_empty_cursor == None) { - Display *display = GetDisplay(); - char data[1]; - XColor color; - Pixmap pixmap; - - SDL_zeroa(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_CreateCursorAndData(Cursor x11_cursor) -{ - SDL_Cursor *cursor = (SDL_Cursor *)SDL_calloc(1, sizeof(*cursor)); - if (cursor) { - SDL_CursorData *data = (SDL_CursorData *)SDL_calloc(1, sizeof(*data)); - if (!data) { - SDL_free(cursor); - return NULL; - } - data->cursor = x11_cursor; - cursor->internal = data; - } - return cursor; -} - -#ifdef 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 == SDL_PIXELFORMAT_ARGB8888); - SDL_assert(surface->pitch == surface->w * 4); - SDL_memcpy(image->pixels, surface->pixels, (size_t)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; - size_t width_bytes = ((surface->w + 7) & ~((size_t)7)) / 8; - - data_bits = SDL_calloc(1, surface->h * width_bytes); - if (!data_bits) { - return None; - } - - mask_bits = SDL_calloc(1, surface->h * width_bytes); - if (!mask_bits) { - SDL_free(data_bits); - return None; - } - - // Code below assumes ARGB pixel format - SDL_assert(surface->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); - SDL_free(data_bits); - SDL_free(mask_bits); - - return cursor; -} - -static SDL_Cursor *X11_CreateCursor(SDL_Surface *surface, int hot_x, int hot_y) -{ - Cursor x11_cursor = None; - -#ifdef 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); - } - return X11_CreateCursorAndData(x11_cursor); -} - -static unsigned int GetLegacySystemCursorShape(SDL_SystemCursor id) -{ - switch (id) { - // X Font Cursors reference: - // http://tronche.com/gui/x/xlib/appendix/b/ - case SDL_SYSTEM_CURSOR_DEFAULT: return XC_left_ptr; - case SDL_SYSTEM_CURSOR_TEXT: return XC_xterm; - case SDL_SYSTEM_CURSOR_WAIT: return XC_watch; - case SDL_SYSTEM_CURSOR_CROSSHAIR: return XC_tcross; - case SDL_SYSTEM_CURSOR_PROGRESS: return XC_watch; - case SDL_SYSTEM_CURSOR_NWSE_RESIZE: return XC_top_left_corner; - case SDL_SYSTEM_CURSOR_NESW_RESIZE: return XC_top_right_corner; - case SDL_SYSTEM_CURSOR_EW_RESIZE: return XC_sb_h_double_arrow; - case SDL_SYSTEM_CURSOR_NS_RESIZE: return XC_sb_v_double_arrow; - case SDL_SYSTEM_CURSOR_MOVE: return XC_fleur; - case SDL_SYSTEM_CURSOR_NOT_ALLOWED: return XC_pirate; - case SDL_SYSTEM_CURSOR_POINTER: return XC_hand2; - case SDL_SYSTEM_CURSOR_NW_RESIZE: return XC_top_left_corner; - case SDL_SYSTEM_CURSOR_N_RESIZE: return XC_top_side; - case SDL_SYSTEM_CURSOR_NE_RESIZE: return XC_top_right_corner; - case SDL_SYSTEM_CURSOR_E_RESIZE: return XC_right_side; - case SDL_SYSTEM_CURSOR_SE_RESIZE: return XC_bottom_right_corner; - case SDL_SYSTEM_CURSOR_S_RESIZE: return XC_bottom_side; - case SDL_SYSTEM_CURSOR_SW_RESIZE: return XC_bottom_left_corner; - case SDL_SYSTEM_CURSOR_W_RESIZE: return XC_left_side; - case SDL_SYSTEM_CURSOR_COUNT: break; // so the compiler might notice if an enum value is missing here. - } - - SDL_assert(0); - return 0; -} - -static SDL_Cursor *X11_CreateSystemCursor(SDL_SystemCursor id) -{ - SDL_Cursor *cursor = NULL; - Display *dpy = GetDisplay(); - Cursor x11_cursor = None; - -#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR - if (SDL_X11_HAVE_XCURSOR) { - x11_cursor = X11_XcursorLibraryLoadCursor(dpy, SDL_GetCSSCursorName(id, NULL)); - } -#endif - - if (x11_cursor == None) { - x11_cursor = X11_XCreateFontCursor(dpy, GetLegacySystemCursorShape(id)); - } - - if (x11_cursor != None) { - cursor = X11_CreateCursorAndData(x11_cursor); - } - - return cursor; -} - -static SDL_Cursor *X11_CreateDefaultCursor(void) -{ - SDL_SystemCursor id = SDL_GetDefaultSystemCursor(); - return X11_CreateSystemCursor(id); -} - -static void X11_FreeCursor(SDL_Cursor *cursor) -{ - Cursor x11_cursor = cursor->internal->cursor; - - if (x11_cursor != None) { - X11_XFreeCursor(GetDisplay(), x11_cursor); - } - SDL_free(cursor->internal); - SDL_free(cursor); -} - -static bool X11_ShowCursor(SDL_Cursor *cursor) -{ - Cursor x11_cursor = 0; - - if (cursor) { - x11_cursor = cursor->internal->cursor; - } else { - x11_cursor = X11_CreateEmptyCursor(); - } - - // FIXME: Is there a better way than this? - { - SDL_VideoDevice *video = SDL_GetVideoDevice(); - Display *display = GetDisplay(); - SDL_Window *window; - - x11_cursor_visible = !!cursor; - - for (window = video->windows; window; window = window->next) { - SDL_WindowData *data = window->internal; - if (data) { - if (x11_cursor != None) { - X11_XDefineCursor(display, data->xwindow, x11_cursor); - } else { - X11_XUndefineCursor(display, data->xwindow); - } - } - } - X11_XFlush(display); - } - return true; -} - -static void X11_WarpMouseInternal(Window xwindow, float x, float y) -{ - SDL_VideoData *videodata = SDL_GetVideoDevice()->internal; - Display *display = videodata->display; - bool warp_hack = false; - - // XWayland will only warp the cursor if it is hidden, so this workaround is required. - if (videodata->is_xwayland && x11_cursor_visible) { - warp_hack = true; - } - - if (warp_hack) { - X11_ShowCursor(NULL); - } -#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2 - int deviceid = 0; - if (X11_Xinput2IsInitialized()) { - /* It seems XIWarpPointer() doesn't work correctly on multi-head setups: - * https://developer.blender.org/rB165caafb99c6846e53d11c4e966990aaffc06cea - */ - if (ScreenCount(display) == 1) { - X11_XIGetClientPointer(display, None, &deviceid); - } - } - if (deviceid != 0) { - SDL_assert(SDL_X11_HAVE_XINPUT2); - X11_XIWarpPointer(display, deviceid, None, xwindow, 0.0, 0.0, 0, 0, x, y); - } else -#endif - { - X11_XWarpPointer(display, None, xwindow, 0, 0, 0, 0, (int)x, (int)y); - } - - if (warp_hack) { - X11_ShowCursor(SDL_GetCursor()); - } - X11_XSync(display, False); - videodata->global_mouse_changed = true; -} - -static bool X11_WarpMouse(SDL_Window *window, float x, float y) -{ - SDL_WindowData *data = window->internal; - -#ifdef SDL_VIDEO_DRIVER_X11_XFIXES - // If we have no barrier, we need to warp - if (data->pointer_barrier_active == false) { - X11_WarpMouseInternal(data->xwindow, x, y); - } -#else - X11_WarpMouseInternal(data->xwindow, x, y); -#endif - return true; -} - -static bool X11_WarpMouseGlobal(float x, float y) -{ - X11_WarpMouseInternal(DefaultRootWindow(GetDisplay()), x, y); - return true; -} - -static bool X11_SetRelativeMouseMode(bool enabled) -{ - if (!X11_Xinput2IsInitialized()) { - return SDL_Unsupported(); - } - return true; -} - -static bool X11_CaptureMouse(SDL_Window *window) -{ - Display *display = GetDisplay(); - SDL_Window *mouse_focus = SDL_GetMouseFocus(); - - if (window) { - SDL_WindowData *data = window->internal; - - /* If XInput2 is handling the pointer input, non-confinement grabs will always fail with 'AlreadyGrabbed', - * since the pointer is being grabbed by XInput2. - */ - if (!data->xinput2_mouse_enabled || data->mouse_grabbed) { - const unsigned int mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask; - Window confined = (data->mouse_grabbed ? data->xwindow : None); - const int rc = X11_XGrabPointer(display, data->xwindow, False, - mask, GrabModeAsync, GrabModeAsync, - confined, None, CurrentTime); - if (rc != GrabSuccess) { - return SDL_SetError("X server refused mouse capture"); - } - - if (data->mouse_grabbed) { - // XGrabPointer can warp the cursor when confining, so update the coordinates. - data->videodata->global_mouse_changed = true; - } - } - } else if (mouse_focus) { - SDL_UpdateWindowGrab(mouse_focus); - } else { - X11_XUngrabPointer(display, CurrentTime); - } - - X11_XSync(display, False); - - return true; -} - -static SDL_MouseButtonFlags X11_GetGlobalMouseState(float *x, float *y) -{ - SDL_VideoData *videodata = SDL_GetVideoDevice()->internal; - SDL_DisplayID *displays; - Display *display = GetDisplay(); - int i; - - // !!! FIXME: should we XSync() here first? - - if (!X11_Xinput2IsInitialized()) { - videodata->global_mouse_changed = true; - } - - // 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) { - displays = SDL_GetDisplays(NULL); - if (displays) { - for (i = 0; displays[i]; ++i) { - SDL_DisplayData *data = SDL_GetDisplayDriverData(displays[i]); - if (data) { - 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; - SDL_MouseButtonFlags buttons = 0; - buttons |= (mask & Button1Mask) ? SDL_BUTTON_LMASK : 0; - buttons |= (mask & Button2Mask) ? SDL_BUTTON_MMASK : 0; - buttons |= (mask & Button3Mask) ? SDL_BUTTON_RMASK : 0; - // Use the SDL state for the extended buttons - it's better than nothing - buttons |= (SDL_GetMouseState(NULL, NULL) & (SDL_BUTTON_X1MASK | SDL_BUTTON_X2MASK)); - /* 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 = false; - break; - } - } - } - SDL_free(displays); - } - } - - SDL_assert(!videodata->global_mouse_changed); // The pointer wasn't on any X11 screen?! - - *x = (float)videodata->global_mouse_position.x; - *y = (float)videodata->global_mouse_position.y; - return videodata->global_mouse_buttons; -} - -void X11_InitMouse(SDL_VideoDevice *_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_HitTestResult r = SDL_HITTEST_NORMAL; - while (r <= SDL_HITTEST_RESIZE_LEFT) { - switch (r) { - case SDL_HITTEST_NORMAL: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_DEFAULT); break; - case SDL_HITTEST_DRAGGABLE: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_DEFAULT); break; - case SDL_HITTEST_RESIZE_TOPLEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_NW_RESIZE); break; - case SDL_HITTEST_RESIZE_TOP: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_N_RESIZE); break; - case SDL_HITTEST_RESIZE_TOPRIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_NE_RESIZE); break; - case SDL_HITTEST_RESIZE_RIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_E_RESIZE); break; - case SDL_HITTEST_RESIZE_BOTTOMRIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_SE_RESIZE); break; - case SDL_HITTEST_RESIZE_BOTTOM: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_S_RESIZE); break; - case SDL_HITTEST_RESIZE_BOTTOMLEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_SW_RESIZE); break; - case SDL_HITTEST_RESIZE_LEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_W_RESIZE); break; - } - r++; - } - - SDL_SetDefaultCursor(X11_CreateDefaultCursor()); -} - -void X11_QuitMouse(SDL_VideoDevice *_this) -{ - SDL_VideoData *data = _this->internal; - SDL_XInput2DeviceInfo *i; - SDL_XInput2DeviceInfo *next; - int j; - - for (j = 0; j < SDL_arraysize(sys_cursors); j++) { - X11_FreeCursor(sys_cursors[j]); - sys_cursors[j] = NULL; - } - - for (i = data->mouse_device_info; i; i = next) { - next = i->next; - SDL_free(i); - } - data->mouse_device_info = NULL; - - X11_DestroyEmptyCursor(); -} - -void X11_SetHitTestCursor(SDL_HitTestResult rc) -{ - if (rc == SDL_HITTEST_NORMAL || rc == SDL_HITTEST_DRAGGABLE) { - SDL_SetCursor(NULL); - } else { - X11_ShowCursor(sys_cursors[rc]); - } -} - -#endif // SDL_VIDEO_DRIVER_X11 -- cgit v1.2.3