From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../src/video/wayland/SDL_waylandmessagebox.c | 196 +++++++++++++++++++++ 1 file changed, 196 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/wayland/SDL_waylandmessagebox.c (limited to 'contrib/SDL-3.2.8/src/video/wayland/SDL_waylandmessagebox.c') diff --git a/contrib/SDL-3.2.8/src/video/wayland/SDL_waylandmessagebox.c b/contrib/SDL-3.2.8/src/video/wayland/SDL_waylandmessagebox.c new file mode 100644 index 0000000..3d6f1f8 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/wayland/SDL_waylandmessagebox.c @@ -0,0 +1,196 @@ +/* + 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_WAYLAND + +#include "SDL_waylandmessagebox.h" + +#define ZENITY_VERSION_LEN 32 // Number of bytes to read from zenity --version (including NUL) + +#define MAX_BUTTONS 8 // Maximum number of buttons supported + +static bool parse_zenity_version(const char *version, int *major, int *minor) +{ + /* We expect the version string is in the form of MAJOR.MINOR.MICRO + * as described in meson.build. We'll ignore everything after that. + */ + const char *version_ptr = version; + char *end_ptr = NULL; + int tmp = (int) SDL_strtol(version_ptr, &end_ptr, 10); + if (tmp == 0 && end_ptr == version_ptr) { + return SDL_SetError("failed to get zenity major version number"); + } + *major = tmp; + + if (*end_ptr == '.') { + version_ptr = end_ptr + 1; // skip the dot + tmp = (int) SDL_strtol(version_ptr, &end_ptr, 10); + if (tmp == 0 && end_ptr == version_ptr) { + return SDL_SetError("failed to get zenity minor version number"); + } + *minor = tmp; + } else { + *minor = 0; + } + return true; +} + +static bool get_zenity_version(int *major, int *minor) +{ + const char *argv[] = { "zenity", "--version", NULL }; + bool result = false; + + SDL_Process *process = SDL_CreateProcess(argv, true); + if (!process) { + return false; + } + + char *output = SDL_ReadProcess(process, NULL, NULL); + if (output) { + result = parse_zenity_version(output, major, minor); + SDL_free(output); + } + SDL_DestroyProcess(process); + + return result; +} + +bool Wayland_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID) +{ + int zenity_major = 0, zenity_minor = 0, output_len = 0; + int argc = 5, i; + const char *argv[5 + 2 /* icon name */ + 2 /* title */ + 2 /* message */ + 2 * MAX_BUTTONS + 1 /* NULL */] = { + "zenity", "--question", "--switch", "--no-wrap", "--no-markup" + }; + SDL_Process *process; + + // Are we trying to connect to or are currently in a Wayland session? + if (!SDL_getenv("WAYLAND_DISPLAY")) { + const char *session = SDL_getenv("XDG_SESSION_TYPE"); + if (session && SDL_strcasecmp(session, "wayland") != 0) { + return SDL_SetError("Not on a wayland display"); + } + } + + if (messageboxdata->numbuttons > MAX_BUTTONS) { + return SDL_SetError("Too many buttons (%d max allowed)", MAX_BUTTONS); + } + + // get zenity version so we know which arg to use + if (!get_zenity_version(&zenity_major, &zenity_minor)) { + return false; // get_zenity_version() calls SDL_SetError(), so message is already set + } + + /* https://gitlab.gnome.org/GNOME/zenity/-/commit/c686bdb1b45e95acf010efd9ca0c75527fbb4dea + * This commit removed --icon-name without adding a deprecation notice. + * We need to handle it gracefully, otherwise no message box will be shown. + */ + argv[argc++] = zenity_major > 3 || (zenity_major == 3 && zenity_minor >= 90) ? "--icon" : "--icon-name"; + switch (messageboxdata->flags & (SDL_MESSAGEBOX_ERROR | SDL_MESSAGEBOX_WARNING | SDL_MESSAGEBOX_INFORMATION)) { + case SDL_MESSAGEBOX_ERROR: + argv[argc++] = "dialog-error"; + break; + case SDL_MESSAGEBOX_WARNING: + argv[argc++] = "dialog-warning"; + break; + case SDL_MESSAGEBOX_INFORMATION: + default: + argv[argc++] = "dialog-information"; + break; + } + + if (messageboxdata->title && messageboxdata->title[0]) { + argv[argc++] = "--title"; + argv[argc++] = messageboxdata->title; + } else { + argv[argc++] = "--title="; + } + + if (messageboxdata->message && messageboxdata->message[0]) { + argv[argc++] = "--text"; + argv[argc++] = messageboxdata->message; + } else { + argv[argc++] = "--text="; + } + + for (i = 0; i < messageboxdata->numbuttons; ++i) { + if (messageboxdata->buttons[i].text && messageboxdata->buttons[i].text[0]) { + int len = SDL_strlen(messageboxdata->buttons[i].text); + if (len > output_len) { + output_len = len; + } + + argv[argc++] = "--extra-button"; + argv[argc++] = messageboxdata->buttons[i].text; + } else { + argv[argc++] = "--extra-button="; + } + } + if (messageboxdata->numbuttons == 0) { + argv[argc++] = "--extra-button=OK"; + } + argv[argc] = NULL; + + SDL_PropertiesID props = SDL_CreateProperties(); + if (!props) { + return false; + } + SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, argv); + // If buttonID is set we need to wait and read the results + if (buttonID) { + SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_APP); + } else { + SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_NULL); + } + process = SDL_CreateProcessWithProperties(props); + SDL_DestroyProperties(props); + if (!process) { + return false; + } + if (buttonID) { + char *output = SDL_ReadProcess(process, NULL, NULL); + if (output) { + // It likes to add a newline... + char *tmp = SDL_strrchr(output, '\n'); + if (tmp) { + *tmp = '\0'; + } + + // Check which button got pressed + for (i = 0; i < messageboxdata->numbuttons; i += 1) { + if (messageboxdata->buttons[i].text) { + if (SDL_strcmp(output, messageboxdata->buttons[i].text) == 0) { + *buttonID = messageboxdata->buttons[i].buttonID; + break; + } + } + } + SDL_free(output); + } + } + SDL_DestroyProcess(process); + + return true; +} + +#endif // SDL_VIDEO_DRIVER_WAYLAND -- cgit v1.2.3