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/xsettings-client.c | 859 --------------------- 1 file changed, 859 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/x11/xsettings-client.c (limited to 'contrib/SDL-3.2.8/src/video/x11/xsettings-client.c') diff --git a/contrib/SDL-3.2.8/src/video/x11/xsettings-client.c b/contrib/SDL-3.2.8/src/video/x11/xsettings-client.c deleted file mode 100644 index 8fb1cd3..0000000 --- a/contrib/SDL-3.2.8/src/video/x11/xsettings-client.c +++ /dev/null @@ -1,859 +0,0 @@ -/* - * Copyright © 2001, 2007 Red Hat, Inc. - * Copyright 2024 Igalia S.L. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Red Hat not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. Red Hat makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Owen Taylor, Red Hat, Inc. - */ - -#include "SDL_internal.h" - -#ifdef SDL_VIDEO_DRIVER_X11 - -#include "SDL_x11video.h" - -#include -#include -#include -#include - -#include "xsettings-client.h" - -struct _XSettingsClient -{ - Display *display; - int screen; - XSettingsNotifyFunc notify; - XSettingsWatchFunc watch; - void *cb_data; - - XSettingsGrabFunc grab; - XSettingsGrabFunc ungrab; - - Window manager_window; - Atom manager_atom; - Atom selection_atom; - Atom xsettings_atom; - - XSettingsList *settings; -}; - -static void -notify_changes (XSettingsClient *client, - XSettingsList *old_list) -{ - XSettingsList *old_iter = old_list; - XSettingsList *new_iter = client->settings; - - if (!client->notify) - return; - - while (old_iter || new_iter) - { - int cmp; - - if (old_iter && new_iter) - cmp = strcmp (old_iter->setting->name, new_iter->setting->name); - else if (old_iter) - cmp = -1; - else - cmp = 1; - - if (cmp < 0) - { - client->notify (old_iter->setting->name, - XSETTINGS_ACTION_DELETED, - NULL, - client->cb_data); - } - else if (cmp == 0) - { - if (!xsettings_setting_equal (old_iter->setting, - new_iter->setting)) - client->notify (old_iter->setting->name, - XSETTINGS_ACTION_CHANGED, - new_iter->setting, - client->cb_data); - } - else - { - client->notify (new_iter->setting->name, - XSETTINGS_ACTION_NEW, - new_iter->setting, - client->cb_data); - } - - if (old_iter) - old_iter = old_iter->next; - if (new_iter) - new_iter = new_iter->next; - } -} - -static int -ignore_errors (Display *display, XErrorEvent *event) -{ - return True; -} - -static char local_byte_order = '\0'; - -#define BYTES_LEFT(buffer) ((buffer)->data + (buffer)->len - (buffer)->pos) - -static XSettingsResult -fetch_card16 (XSettingsBuffer *buffer, - CARD16 *result) -{ - CARD16 x; - - if (BYTES_LEFT (buffer) < 2) - return XSETTINGS_ACCESS; - - x = *(CARD16 *)buffer->pos; - buffer->pos += 2; - - if (buffer->byte_order == local_byte_order) - *result = x; - else - *result = (x << 8) | (x >> 8); - - return XSETTINGS_SUCCESS; -} - -static XSettingsResult -fetch_ushort (XSettingsBuffer *buffer, - unsigned short *result) -{ - CARD16 x; - XSettingsResult r; - - r = fetch_card16 (buffer, &x); - if (r == XSETTINGS_SUCCESS) - *result = x; - - return r; -} - -static XSettingsResult -fetch_card32 (XSettingsBuffer *buffer, - CARD32 *result) -{ - CARD32 x; - - if (BYTES_LEFT (buffer) < 4) - return XSETTINGS_ACCESS; - - x = *(CARD32 *)buffer->pos; - buffer->pos += 4; - - if (buffer->byte_order == local_byte_order) - *result = x; - else - *result = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24); - - return XSETTINGS_SUCCESS; -} - -static XSettingsResult -fetch_card8 (XSettingsBuffer *buffer, - CARD8 *result) -{ - if (BYTES_LEFT (buffer) < 1) - return XSETTINGS_ACCESS; - - *result = *(CARD8 *)buffer->pos; - buffer->pos += 1; - - return XSETTINGS_SUCCESS; -} - -#define XSETTINGS_PAD(n,m) ((n + m - 1) & (~(m-1))) - -static XSettingsList * -parse_settings (unsigned char *data, - size_t len) -{ - XSettingsBuffer buffer; - XSettingsResult result = XSETTINGS_SUCCESS; - XSettingsList *settings = NULL; - CARD32 serial; - CARD32 n_entries; - CARD32 i; - XSettingsSetting *setting = NULL; - char buffer_byte_order = '\0'; - - local_byte_order = xsettings_byte_order (); - - buffer.pos = buffer.data = data; - buffer.len = len; - buffer.byte_order = '\0'; - - result = fetch_card8 (&buffer, (unsigned char *) &buffer_byte_order); - if (buffer_byte_order != MSBFirst && - buffer_byte_order != LSBFirst) - { - fprintf (stderr, "Invalid byte order in XSETTINGS property\n"); - result = XSETTINGS_FAILED; - goto out; - } - - buffer.byte_order = buffer_byte_order; - buffer.pos += 3; - - result = fetch_card32 (&buffer, &serial); - if (result != XSETTINGS_SUCCESS) - goto out; - - result = fetch_card32 (&buffer, &n_entries); - if (result != XSETTINGS_SUCCESS) - goto out; - - for (i = 0; i < n_entries; i++) - { - CARD8 type; - CARD16 name_len; - CARD32 v_int; - size_t pad_len; - - result = fetch_card8 (&buffer, &type); - if (result != XSETTINGS_SUCCESS) - goto out; - - buffer.pos += 1; - - result = fetch_card16 (&buffer, &name_len); - if (result != XSETTINGS_SUCCESS) - goto out; - - pad_len = XSETTINGS_PAD(name_len, 4); - if (BYTES_LEFT (&buffer) < pad_len) - { - result = XSETTINGS_ACCESS; - goto out; - } - - setting = malloc (sizeof *setting); - if (!setting) - { - result = XSETTINGS_NO_MEM; - goto out; - } - setting->type = XSETTINGS_TYPE_INT; /* No allocated memory */ - - setting->name = malloc (name_len + 1); - if (!setting->name) - { - result = XSETTINGS_NO_MEM; - goto out; - } - - memcpy (setting->name, buffer.pos, name_len); - setting->name[name_len] = '\0'; - buffer.pos += pad_len; - - result = fetch_card32 (&buffer, &v_int); - if (result != XSETTINGS_SUCCESS) - goto out; - setting->last_change_serial = v_int; - - switch (type) - { - case XSETTINGS_TYPE_INT: - result = fetch_card32 (&buffer, &v_int); - if (result != XSETTINGS_SUCCESS) - goto out; - - setting->data.v_int = (INT32)v_int; - break; - case XSETTINGS_TYPE_STRING: - result = fetch_card32 (&buffer, &v_int); - if (result != XSETTINGS_SUCCESS) - goto out; - - pad_len = XSETTINGS_PAD (v_int, 4); - if (v_int + 1 == 0 || /* Guard against wrap-around */ - BYTES_LEFT (&buffer) < pad_len) - { - result = XSETTINGS_ACCESS; - goto out; - } - - setting->data.v_string = malloc (v_int + 1); - if (!setting->data.v_string) - { - result = XSETTINGS_NO_MEM; - goto out; - } - - memcpy (setting->data.v_string, buffer.pos, v_int); - setting->data.v_string[v_int] = '\0'; - buffer.pos += pad_len; - - break; - case XSETTINGS_TYPE_COLOR: - result = fetch_ushort (&buffer, &setting->data.v_color.red); - if (result != XSETTINGS_SUCCESS) - goto out; - result = fetch_ushort (&buffer, &setting->data.v_color.green); - if (result != XSETTINGS_SUCCESS) - goto out; - result = fetch_ushort (&buffer, &setting->data.v_color.blue); - if (result != XSETTINGS_SUCCESS) - goto out; - result = fetch_ushort (&buffer, &setting->data.v_color.alpha); - if (result != XSETTINGS_SUCCESS) - goto out; - - break; - default: - /* Quietly ignore unknown types */ - break; - } - - setting->type = type; - - result = xsettings_list_insert (&settings, setting); - if (result != XSETTINGS_SUCCESS) - goto out; - - setting = NULL; - } - - out: - - if (result != XSETTINGS_SUCCESS) - { - switch (result) - { - case XSETTINGS_NO_MEM: - fprintf(stderr, "Out of memory reading XSETTINGS property\n"); - break; - case XSETTINGS_ACCESS: - fprintf(stderr, "Invalid XSETTINGS property (read off end)\n"); - break; - case XSETTINGS_DUPLICATE_ENTRY: - fprintf (stderr, "Duplicate XSETTINGS entry for '%s'\n", setting->name); - SDL_FALLTHROUGH; - case XSETTINGS_FAILED: - SDL_FALLTHROUGH; - case XSETTINGS_SUCCESS: - SDL_FALLTHROUGH; - case XSETTINGS_NO_ENTRY: - break; - } - - if (setting) - xsettings_setting_free (setting); - - xsettings_list_free (settings); - settings = NULL; - - } - - return settings; -} - -static void -read_settings (XSettingsClient *client) -{ - Atom type; - int format; - unsigned long n_items; - unsigned long bytes_after; - unsigned char *data; - int result; - - int (*old_handler) (Display *, XErrorEvent *); - - XSettingsList *old_list = client->settings; - - client->settings = NULL; - - if (client->manager_window) - { - old_handler = X11_XSetErrorHandler (ignore_errors); - result = X11_XGetWindowProperty (client->display, client->manager_window, - client->xsettings_atom, 0, LONG_MAX, - False, client->xsettings_atom, - &type, &format, &n_items, &bytes_after, &data); - X11_XSetErrorHandler (old_handler); - - if (result == Success && type != None) - { - if (type != client->xsettings_atom) - { - fprintf (stderr, "Invalid type for XSETTINGS property"); - } - else if (format != 8) - { - fprintf (stderr, "Invalid format for XSETTINGS property %d", format); - } - else - client->settings = parse_settings (data, n_items); - - X11_XFree (data); - } - } - - notify_changes (client, old_list); - xsettings_list_free (old_list); -} - -static void -add_events (Display *display, - Window window, - long mask) -{ - XWindowAttributes attr; - - X11_XGetWindowAttributes (display, window, &attr); - X11_XSelectInput (display, window, attr.your_event_mask | mask); -} - -static void -check_manager_window (XSettingsClient *client) -{ - if (client->manager_window && client->watch) - client->watch (client->manager_window, False, 0, client->cb_data); - - if (client->grab) - client->grab (client->display); - else - X11_XGrabServer (client->display); - - client->manager_window = X11_XGetSelectionOwner (client->display, - client->selection_atom); - if (client->manager_window) - X11_XSelectInput (client->display, client->manager_window, - PropertyChangeMask | StructureNotifyMask); - - if (client->ungrab) - client->ungrab (client->display); - else - X11_XUngrabServer (client->display); - - X11_XFlush (client->display); - - if (client->manager_window && client->watch) - { - if (!client->watch (client->manager_window, True, - PropertyChangeMask | StructureNotifyMask, - client->cb_data)) - { - /* Inability to watch the window probably means that it was destroyed - * after we ungrabbed - */ - client->manager_window = None; - return; - } - } - - - read_settings (client); -} - -XSettingsClient * -xsettings_client_new (Display *display, - int screen, - XSettingsNotifyFunc notify, - XSettingsWatchFunc watch, - void *cb_data) -{ - return xsettings_client_new_with_grab_funcs (display, screen, notify, watch, cb_data, - NULL, NULL); -} - -XSettingsClient * -xsettings_client_new_with_grab_funcs (Display *display, - int screen, - XSettingsNotifyFunc notify, - XSettingsWatchFunc watch, - void *cb_data, - XSettingsGrabFunc grab, - XSettingsGrabFunc ungrab) -{ - XSettingsClient *client; - char buffer[256]; - char *atom_names[3]; - Atom atoms[3]; - - client = malloc (sizeof *client); - if (!client) - return NULL; - - client->display = display; - client->screen = screen; - client->notify = notify; - client->watch = watch; - client->cb_data = cb_data; - client->grab = grab; - client->ungrab = ungrab; - - client->manager_window = None; - client->settings = NULL; - - sprintf(buffer, "_XSETTINGS_S%d", screen); - atom_names[0] = buffer; - atom_names[1] = "_XSETTINGS_SETTINGS"; - atom_names[2] = "MANAGER"; - -#ifdef HAVE_XINTERNATOMS - XInternAtoms (display, atom_names, 3, False, atoms); -#else - atoms[0] = X11_XInternAtom (display, atom_names[0], False); - atoms[1] = X11_XInternAtom (display, atom_names[1], False); - atoms[2] = X11_XInternAtom (display, atom_names[2], False); -#endif - - client->selection_atom = atoms[0]; - client->xsettings_atom = atoms[1]; - client->manager_atom = atoms[2]; - - /* Select on StructureNotify so we get MANAGER events - */ - add_events (display, RootWindow (display, screen), StructureNotifyMask); - - if (client->watch) - client->watch (RootWindow (display, screen), True, StructureNotifyMask, - client->cb_data); - - check_manager_window (client); - - return client; -} - - -void -xsettings_client_set_grab_func (XSettingsClient *client, - XSettingsGrabFunc grab) -{ - client->grab = grab; -} - -void -xsettings_client_set_ungrab_func (XSettingsClient *client, - XSettingsGrabFunc ungrab) -{ - client->ungrab = ungrab; -} - -void -xsettings_client_destroy (XSettingsClient *client) -{ - if (client->watch) - client->watch (RootWindow (client->display, client->screen), - False, 0, client->cb_data); - if (client->manager_window && client->watch) - client->watch (client->manager_window, False, 0, client->cb_data); - - xsettings_list_free (client->settings); - free (client); -} - -XSettingsResult -xsettings_client_get_setting (XSettingsClient *client, - const char *name, - XSettingsSetting **setting) -{ - XSettingsSetting *search = xsettings_list_lookup (client->settings, name); - if (search) - { - *setting = xsettings_setting_copy (search); - return *setting ? XSETTINGS_SUCCESS : XSETTINGS_NO_MEM; - } - else - return XSETTINGS_NO_ENTRY; -} - -Bool -xsettings_client_process_event (XSettingsClient *client, - const XEvent *xev) -{ - /* The checks here will not unlikely cause us to reread - * the properties from the manager window a number of - * times when the manager changes from A->B. But manager changes - * are going to be pretty rare. - */ - if (xev->xany.window == RootWindow (client->display, client->screen)) - { - if (xev->xany.type == ClientMessage && - xev->xclient.message_type == client->manager_atom && - xev->xclient.data.l[1] == client->selection_atom) - { - check_manager_window (client); - return True; - } - } - else if (xev->xany.window == client->manager_window) - { - if (xev->xany.type == DestroyNotify) - { - check_manager_window (client); - return False; - } - else if (xev->xany.type == PropertyNotify) - { - read_settings (client); - return True; - } - } - - return False; -} - -XSettingsSetting * -xsettings_setting_copy (XSettingsSetting *setting) -{ - XSettingsSetting *result; - size_t str_len; - - result = malloc (sizeof *result); - if (!result) - return NULL; - - str_len = strlen (setting->name); - result->name = malloc (str_len + 1); - if (!result->name) - goto err; - - memcpy (result->name, setting->name, str_len + 1); - - result->type = setting->type; - - switch (setting->type) - { - case XSETTINGS_TYPE_INT: - result->data.v_int = setting->data.v_int; - break; - case XSETTINGS_TYPE_COLOR: - result->data.v_color = setting->data.v_color; - break; - case XSETTINGS_TYPE_STRING: - str_len = strlen (setting->data.v_string); - result->data.v_string = malloc (str_len + 1); - if (!result->data.v_string) - goto err; - - memcpy (result->data.v_string, setting->data.v_string, str_len + 1); - break; - } - - result->last_change_serial = setting->last_change_serial; - - return result; - - err: - if (result->name) - free (result->name); - free (result); - - return NULL; -} - -XSettingsList * -xsettings_list_copy (XSettingsList *list) -{ - XSettingsList *new = NULL; - XSettingsList *old_iter = list; - XSettingsList *new_iter = NULL; - - while (old_iter) - { - XSettingsList *new_node; - - new_node = malloc (sizeof *new_node); - if (!new_node) - goto error; - - new_node->setting = xsettings_setting_copy (old_iter->setting); - if (!new_node->setting) - { - free (new_node); - goto error; - } - - if (new_iter) - new_iter->next = new_node; - else - { - new = new_node; - new->next = NULL; - } - - - new_iter = new_node; - - old_iter = old_iter->next; - } - - return new; - - error: - xsettings_list_free (new); - return NULL; -} - -int -xsettings_setting_equal (XSettingsSetting *setting_a, - XSettingsSetting *setting_b) -{ - if (setting_a->type != setting_b->type) - return 0; - - if (strcmp (setting_a->name, setting_b->name) != 0) - return 0; - - switch (setting_a->type) - { - case XSETTINGS_TYPE_INT: - return setting_a->data.v_int == setting_b->data.v_int; - case XSETTINGS_TYPE_COLOR: - return (setting_a->data.v_color.red == setting_b->data.v_color.red && - setting_a->data.v_color.green == setting_b->data.v_color.green && - setting_a->data.v_color.blue == setting_b->data.v_color.blue && - setting_a->data.v_color.alpha == setting_b->data.v_color.alpha); - case XSETTINGS_TYPE_STRING: - return strcmp (setting_a->data.v_string, setting_b->data.v_string) == 0; - } - - return 0; -} - -void -xsettings_setting_free (XSettingsSetting *setting) -{ - if (setting->type == XSETTINGS_TYPE_STRING) - free (setting->data.v_string); - - if (setting->name) - free (setting->name); - - free (setting); -} - -void -xsettings_list_free (XSettingsList *list) -{ - while (list) - { - XSettingsList *next = list->next; - - xsettings_setting_free (list->setting); - free (list); - - list = next; - } -} - -XSettingsResult -xsettings_list_insert (XSettingsList **list, - XSettingsSetting *setting) -{ - XSettingsList *node; - XSettingsList *iter; - XSettingsList *last = NULL; - - node = malloc (sizeof *node); - if (!node) - return XSETTINGS_NO_MEM; - node->setting = setting; - - iter = *list; - while (iter) - { - int cmp = strcmp (setting->name, iter->setting->name); - - if (cmp < 0) - break; - else if (cmp == 0) - { - free (node); - return XSETTINGS_DUPLICATE_ENTRY; - } - - last = iter; - iter = iter->next; - } - - if (last) - last->next = node; - else - *list = node; - - node->next = iter; - - return XSETTINGS_SUCCESS; -} - -XSettingsResult -xsettings_list_delete (XSettingsList **list, - const char *name) -{ - XSettingsList *iter; - XSettingsList *last = NULL; - - iter = *list; - while (iter) - { - if (strcmp (name, iter->setting->name) == 0) - { - if (last) - last->next = iter->next; - else - *list = iter->next; - - xsettings_setting_free (iter->setting); - free (iter); - - return XSETTINGS_SUCCESS; - } - - last = iter; - iter = iter->next; - } - - return XSETTINGS_FAILED; -} - -XSettingsSetting * -xsettings_list_lookup (XSettingsList *list, - const char *name) -{ - XSettingsList *iter; - - iter = list; - while (iter) - { - if (strcmp (name, iter->setting->name) == 0) - return iter->setting; - - iter = iter->next; - } - - return NULL; -} - -char -xsettings_byte_order (void) -{ - CARD32 myint = 0x01020304; - return (*(char *)&myint == 1) ? MSBFirst : LSBFirst; -} - -#endif /* SDL_VIDEO_DRIVER_X11 */ -- cgit v1.2.3