Fix installer offline docs extraction

Align text network meter columns

.github/workflows/appimage-build.yml

@@ -62,6 +62,11 @@ jobs:
           rm -rf AppDir
           DESTDIR="${PWD}/AppDir" ninja -C build install
 
+      - name: Verify offline docs install
+        run: |
+          set -eux
+          test -f AppDir/usr/share/doc/zoitechat/html/index.html
+
       - name: Bundle scripting runtimes in AppDir
         run: |
           set -eux
@@ -86,11 +91,21 @@ jobs:
             cp -a /usr/lib/x86_64-linux-gnu/python3/dist-packages AppDir/usr/lib/x86_64-linux-gnu/python3/
           fi
 
+          if [ -d "/usr/lib/x86_64-linux-gnu/perl-base" ]; then
+            install -d AppDir/usr/lib/x86_64-linux-gnu
+            cp -a /usr/lib/x86_64-linux-gnu/perl-base AppDir/usr/lib/x86_64-linux-gnu/
+          fi
+
           if [ -d "/usr/lib/x86_64-linux-gnu/perl" ]; then
             install -d AppDir/usr/lib/x86_64-linux-gnu
             cp -a /usr/lib/x86_64-linux-gnu/perl AppDir/usr/lib/x86_64-linux-gnu/
           fi
 
+          if [ -d "/usr/lib/x86_64-linux-gnu/perl5" ]; then
+            install -d AppDir/usr/lib/x86_64-linux-gnu
+            cp -a /usr/lib/x86_64-linux-gnu/perl5 AppDir/usr/lib/x86_64-linux-gnu/
+          fi
+
           if [ -d "/usr/share/perl" ]; then
             install -d AppDir/usr/share
             cp -a /usr/share/perl AppDir/usr/share/
@@ -100,6 +115,10 @@ jobs:
             install -d AppDir/usr/share
             cp -a /usr/share/perl5 AppDir/usr/share/
           fi
+
+          perl -MFile::Spec -e 'print "Build host File::Spec: $INC{\"File/Spec.pm\"}\n"'
+          find AppDir/usr -path '*/File/Spec.pm' -print -quit | grep -q .
+
           if compgen -G '/usr/lib/x86_64-linux-gnu/libpython3*.so*' > /dev/null; then
             install -d AppDir/usr/lib/x86_64-linux-gnu
             cp -a /usr/lib/x86_64-linux-gnu/libpython3*.so* AppDir/usr/lib/x86_64-linux-gnu/
@@ -162,7 +181,7 @@ jobs:
 
           APPDIR="${APPDIR:-$(dirname "$(readlink -f "$0")")}"
 
-          export PATH="${PATH:-/usr/bin:/bin}:$APPDIR/usr/bin"
+          export PATH="$APPDIR/usr/bin:${PATH:-/usr/bin:/bin}"
           export LD_LIBRARY_PATH="$APPDIR/usr/lib:$APPDIR/usr/lib/x86_64-linux-gnu:${LD_LIBRARY_PATH:-}"
           export XDG_DATA_DIRS="$APPDIR/usr/share:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
           export GTK_EXE_PREFIX="$APPDIR/usr"
@@ -211,6 +230,23 @@ jobs:
 
           unset GTK_MODULES
 
+          perl5lib_entries=""
+          for dir in \
+            "$APPDIR/usr/lib/x86_64-linux-gnu/perl-base" \
+            "$APPDIR/usr/lib/x86_64-linux-gnu/perl"/* \
+            "$APPDIR/usr/lib/x86_64-linux-gnu/perl5"/* \
+            "$APPDIR/usr/share/perl"/* \
+            "$APPDIR/usr/share/perl5"
+          do
+            if [ -d "$dir" ]; then
+              perl5lib_entries="${perl5lib_entries:+$perl5lib_entries:}$dir"
+            fi
+          done
+
+          if [ -n "$perl5lib_entries" ]; then
+            export PERL5LIB="$perl5lib_entries${PERL5LIB:+:$PERL5LIB}"
+          fi
+
           export PYTHONHOME="$APPDIR/usr"
           python_stdlib_dir="$(find "$APPDIR/usr/lib" -maxdepth 1 -type d -name 'python3.*' | head -n 1 || true)"
           pythonpath_entries=""
@@ -256,7 +292,6 @@ jobs:
           EOF
           chmod +x AppRun
 
-
           VERSION="$(git describe --tags --always)"
 
           ./linuxdeploy-x86_64.AppImage \

.github/workflows/flatpak-build.yml

@@ -37,6 +37,12 @@ jobs:
           cache: false
           restore-cache: false
 
+      - name: Verify offline docs install
+        run: |
+          flatpak --user install -y zoitechat.flatpak
+          app_dir="$(flatpak info --user --show-location net.zoite.Zoitechat)"
+          test -f "$app_dir/files/share/zoitechat/offline-docs/index.html"
+
       - name: Upload Flatpak Bundle
         id: upload_flatpak
         uses: actions/upload-artifact@v6

.github/workflows/windows-build.yml

@@ -132,6 +132,16 @@ jobs:
           msbuild win32\zoitechat.sln /m /verbosity:minimal /p:Configuration=Release /p:Platform=${{ matrix.platform }}
         shell: cmd
 
+      - name: Verify offline docs install
+        run: |
+          if not exist "..\zoitechat-build\${{ matrix.platform }}\rel\offline-docs\index.html" exit /b 1
+          findstr /C:"Name:" "..\zoitechat-build\${{ matrix.platform }}\bin\zoitechat.iss" | findstr /C:"docs"
+          findstr /C:"OFFLINEDOCSURL" "..\zoitechat-build\${{ matrix.platform }}\bin\zoitechat.iss"
+          findstr /C:"Source:" "..\zoitechat-build\${{ matrix.platform }}\bin\zoitechat.iss" | findstr /C:"offline-docs"
+          findstr /C:"offline-docs.tar.gz" "..\zoitechat-build\${{ matrix.platform }}\bin\zoitechat.iss"
+          findstr /C:"InstallOfflineDocs" "..\zoitechat-build\${{ matrix.platform }}\bin\zoitechat.iss"
+        shell: cmd
+
       - name: Preparing Artifacts
         run: |
           move ..\zoitechat-build\${{ matrix.platform }}\ZoiteChat-*.exe .\

data/meson.build

@@ -7,3 +7,15 @@ if get_option('gtk-frontend')
   subdir('misc')
   subdir('man')
 endif
+
+offline_docs_url = get_option('offline-docs-url')
+offline_docs = custom_target('offline-docs',
+  output: 'offline-docs.stamp',
+  command: [find_program('python3'), files('misc/fetch_offline_docs.py'), offline_docs_url, '@OUTDIR@', meson.source_root()],
+  build_by_default: true,
+)
+meson.add_install_script(
+  files('misc/install_offline_docs.py'),
+  join_paths(meson.current_build_dir(), 'offline-docs'),
+  offline_docs_dir,
+)

data/misc/fetch_offline_docs.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+
+import html
+import io
+import pathlib
+import shutil
+import sys
+import tarfile
+import tempfile
+import urllib.error
+import urllib.request
+
+
+url = sys.argv[1]
+out_dir = pathlib.Path(sys.argv[2])
+source_dir = pathlib.Path(sys.argv[3]) if len(sys.argv) > 3 else pathlib.Path.cwd()
+docs_dir = out_dir / "offline-docs"
+
+if docs_dir.exists():
+    shutil.rmtree(docs_dir)
+docs_dir.mkdir(parents=True, exist_ok=True)
+
+
+def write_source_docs() -> None:
+    parts = [
+        '<!doctype html><html><head><meta charset="utf-8">'
+        "<title>ZoiteChat Documentation</title></head><body>"
+        "<h1>ZoiteChat Documentation</h1>"
+    ]
+
+    for name in ("readme.md", "troubleshooting.md", "changelog.rst"):
+        path = source_dir / name
+        if path.exists():
+            parts.append(
+                f"<h2>{html.escape(name)}</h2>"
+                f"<pre>{html.escape(path.read_text(encoding='utf-8', errors='replace'))}</pre>"
+            )
+
+    parts.append("</body></html>")
+    (docs_dir / "index.html").write_text("\n".join(parts), encoding="utf-8")
+
+
+def safe_extract(tar: tarfile.TarFile, target: pathlib.Path) -> None:
+    target = target.resolve()
+
+    for member in tar.getmembers():
+        member_path = (target / member.name).resolve()
+        if not str(member_path).startswith(str(target) + "/"):
+            raise tarfile.TarError(f"unsafe archive path: {member.name}")
+
+    tar.extractall(target)
+
+
+def copy_index_tree(extracted_dir: pathlib.Path) -> bool:
+    indexes = sorted(extracted_dir.rglob("index.html"))
+    if not indexes:
+        return False
+
+    root = indexes[0].parent
+    for item in root.iterdir():
+        dest = docs_dir / item.name
+        if item.is_dir():
+            shutil.copytree(item, dest, dirs_exist_ok=True)
+        else:
+            shutil.copy2(item, dest)
+
+    return (docs_dir / "index.html").exists()
+
+
+if url:
+    try:
+        with urllib.request.urlopen(url, timeout=30) as response:
+            data = response.read()
+
+        with tempfile.TemporaryDirectory() as tmp:
+            extract_dir = pathlib.Path(tmp)
+            with tarfile.open(fileobj=io.BytesIO(data), mode="r:gz") as tar:
+                safe_extract(tar, extract_dir)
+
+            if not copy_index_tree(extract_dir):
+                write_source_docs()
+
+    except (OSError, tarfile.TarError, urllib.error.URLError) as error:
+        print(f"offline docs download failed: {error}", file=sys.stderr)
+        write_source_docs()
+else:
+    write_source_docs()
+
+(out_dir / "offline-docs.stamp").write_text("ok", encoding="utf-8")

data/misc/install_offline_docs.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+import os
+import pathlib
+import shutil
+import sys
+
+src = pathlib.Path(sys.argv[1])
+dest = pathlib.Path(os.environ['MESON_INSTALL_DESTDIR_PREFIX']) / sys.argv[2]
+if not (src / 'index.html').exists():
+    sys.exit(0)
+if dest.exists():
+    shutil.rmtree(dest)
+shutil.copytree(src, dest)

flatpak/net.zoite.Zoitechat.json

@@ -56,7 +56,9 @@
         "-Ddbus-service-use-appid=true",
         "-Dwith-perl=perl",
         "-Dwith-python=python3",
-        "-Dwith-lua=lua"
+        "-Dwith-lua=lua",
+        "-Doffline-docs-package=net.zoite.Zoitechat",
+        "-Doffline-docs-dir=share/zoitechat/offline-docs"
       ],
       "build-options": {
         "cflags": "-Wno-error=missing-include-dirs"

meson.build

@@ -32,8 +32,18 @@ config_h = configuration_data()
 config_h.set_quoted('PACKAGE_VERSION', meson.project_version())
 config_h.set_quoted('PACKAGE_NAME', meson.project_name())
 config_h.set_quoted('GETTEXT_PACKAGE', 'zoitechat')
+offline_docs_package = get_option('offline-docs-package')
+if offline_docs_package == ''
+  offline_docs_package = meson.project_name()
+endif
+offline_docs_dir = get_option('offline-docs-dir')
+if offline_docs_dir == ''
+  offline_docs_dir = join_paths(get_option('datadir'), 'doc', offline_docs_package, 'html')
+endif
 config_h.set_quoted('LOCALEDIR', join_paths(get_option('prefix'),
                                  get_option('datadir'), 'locale'))
+config_h.set_quoted('ZOITECHATDOCDIR', join_paths(get_option('prefix'),
+                                 offline_docs_dir))
 config_h.set10('ENABLE_NLS', true)
 
 # Optional features

meson_options.txt

@@ -62,3 +62,13 @@ option('with-upd', type: 'boolean',
 option('with-perl-legacy-api', type: 'boolean', value: false,
   description: 'Enables the legacy IRC perl module for compatibility with old scripts'
 )
+
+option('offline-docs-url', type: 'string', value: 'https://dl.zoitechat.org/offlinedocs/zoitechat-docs-html-2.18.1.tar.gz',
+  description: 'URL for offline documentation archive (tar.gz)'
+)
+option('offline-docs-package', type: 'string', value: '',
+  description: 'Package or app id to use under the installed documentation directory'
+)
+option('offline-docs-dir', type: 'string', value: '',
+  description: 'Installed offline documentation directory relative to prefix'
+)

packaging/manjaro/PKGBUILD

@@ -66,4 +66,5 @@ build() {
 
 package() {
   meson install -C build --destdir "$pkgdir"
+  test -f "$pkgdir/usr/share/doc/zoitechat/html/index.html"
 }

plugins/fishlim/fish.c

@@ -91,27 +91,13 @@ static const signed char fish_unbase64[256] = {
 #include <openssl/provider.h>
 static OSSL_PROVIDER *legacy_provider;
 static OSSL_PROVIDER *default_provider;
-static OSSL_LIB_CTX *ossl_ctx;
 #endif
 
 int fish_init(void)
 {
 #if OPENSSL_VERSION_NUMBER >= 0x30000000L
-    ossl_ctx = OSSL_LIB_CTX_new();
+    legacy_provider = OSSL_PROVIDER_load(NULL, "legacy");
-    if (!ossl_ctx)
+    default_provider = OSSL_PROVIDER_load(NULL, "default");
-        return 0;
-
-    legacy_provider = OSSL_PROVIDER_load(ossl_ctx, "legacy");
-    if (!legacy_provider) {
-        fish_deinit();
-        return 0;
-    }
-
-    default_provider = OSSL_PROVIDER_load(ossl_ctx, "default");
-    if (!default_provider) {
-        fish_deinit();
-        return 0;
-    }
 #endif
     return 1;
 }
@@ -129,10 +115,6 @@ void fish_deinit(void)
         default_provider = NULL;
     }
 
-    if (ossl_ctx) {
-        OSSL_LIB_CTX_free(ossl_ctx);
-        ossl_ctx = NULL;
-    }
 #endif
 }
 
@@ -278,7 +260,9 @@ char *fish_cipher(const char *plaintext, size_t plaintext_len, const char *key,
         }
 
 #if OPENSSL_VERSION_NUMBER >= 0x30000000L
-        cipher = EVP_CIPHER_fetch(ossl_ctx, "BF-CBC", NULL);
+        cipher = EVP_CIPHER_fetch(NULL, "BF-CBC", NULL);
+        if (!cipher)
+            cipher = (EVP_CIPHER *) EVP_bf_cbc();
 #else
         cipher = (EVP_CIPHER *) EVP_bf_cbc();
 #endif
@@ -286,7 +270,9 @@ char *fish_cipher(const char *plaintext, size_t plaintext_len, const char *key,
     } else if (mode == EVP_CIPH_ECB_MODE) {
 
 #if OPENSSL_VERSION_NUMBER >= 0x30000000L
-        cipher = EVP_CIPHER_fetch(ossl_ctx, "BF-ECB", NULL);
+        cipher = EVP_CIPHER_fetch(NULL, "BF-ECB", NULL);
+        if (!cipher)
+            cipher = (EVP_CIPHER *) EVP_bf_ecb();
 #else
         cipher = (EVP_CIPHER *) EVP_bf_ecb();
 #endif

plugins/fishlim/plugin_zoitechat.c

@@ -421,7 +421,7 @@ static int handle_keyx_notice(char *word[], char *word_eol[], void *userdata) {
             zoitechat_commandf(ph, "quote NOTICE %s :DH1080_FINISH %s%s", sender, pub_key, (mode == FISH_CBC_MODE) ? " CBC" : "");
             g_free(pub_key);
         } else {
-            zoitechat_print(ph, "Failed to generate keys");
+            zoitechat_printf(ph, "Failed to generate keys");
             goto cleanup;
         }
     } else if (!strcmp (dh_message, "DH1080_FINISH")) {
@@ -446,7 +446,7 @@ static int handle_keyx_notice(char *word[], char *word_eol[], void *userdata) {
         zoitechat_printf(ph, "Stored new key for %s (%s)", sender, fish_modes[mode]);
         g_free(secret_key);
     } else {
-        zoitechat_print(ph, "Failed to create secret key!");
+        zoitechat_printf(ph, "Failed to create secret key!");
     }
 
 cleanup:
@@ -548,7 +548,7 @@ static int handle_keyx(char *word[], char *word_eol[], void *userdata) {
     }
 
     if ((query_ctx && ctx_type != 3) || (!query_ctx && !irc_is_query(target))) {
-        zoitechat_print(ph, "You can only exchange keys with individuals");
+        zoitechat_printf(ph, "You can only exchange keys with individuals");
         return ZOITECHAT_EAT_ALL;
     }
 
@@ -560,7 +560,7 @@ static int handle_keyx(char *word[], char *word_eol[], void *userdata) {
 
         g_free(pub_key);
     } else {
-        zoitechat_print(ph, "Failed to generate keys");
+        zoitechat_printf(ph, "Failed to generate keys");
     }
 
     return ZOITECHAT_EAT_ALL;
@@ -577,7 +577,7 @@ static int handle_crypt_topic(char *word[], char *word_eol[], void *userdata) {
     GSList *encrypted_list;
 
     if (!*topic) {
-        zoitechat_print(ph, usage_topic);
+        zoitechat_printf(ph, "%s", usage_topic);
         return ZOITECHAT_EAT_ALL;
     }
 
@@ -624,7 +624,7 @@ static int handle_crypt_notice(char *word[], char *word_eol[], void *userdata) {
     GSList *encrypted_list, *encrypted_item;
 
     if (!*target || !*notice) {
-        zoitechat_print(ph, usage_notice);
+        zoitechat_printf(ph, "%s", usage_notice);
         return ZOITECHAT_EAT_ALL;
     }
 
@@ -676,7 +676,7 @@ static int handle_crypt_msg(char *word[], char *word_eol[], void *userdata) {
     GSList *encrypted_list, *encrypted_item;
 
     if (!*target || !*message) {
-        zoitechat_print(ph, usage_msg);
+        zoitechat_printf(ph, "%s", usage_msg);
         return ZOITECHAT_EAT_ALL;
     }
 
@@ -805,11 +805,15 @@ int zoitechat_plugin_init(zoitechat_plugin *plugin_handle,
     zoitechat_hook_server_attrs(ph, "TOPIC", ZOITECHAT_PRI_NORM, handle_incoming, NULL);
     zoitechat_hook_server_attrs(ph, "332", ZOITECHAT_PRI_NORM, handle_incoming, NULL);
 
-    if (!fish_init())
+    if (!fish_init()) {
+        zoitechat_printf(ph, "FiSHLiM failed to initialize crypto backend");
         return 0;
+    }
 
-    if (!dh1080_init())
+    if (!dh1080_init()) {
+        zoitechat_printf(ph, "FiSHLiM failed to initialize DH1080");
         return 0;
+    }
 
     pending_exchanges = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
 

readme.md

@@ -31,12 +31,19 @@
 <br />
 
 
-ZoiteChat is an HexChat based IRC client for Windows and UNIX-like operating systems.  
+ZoiteChat is a GTK3 IRC client based on HexChat, available for Windows and UNIX-like operating systems.  
-See [IRCHelp.org](http://irchelp.org) for information about IRC in general.  
-For more information on ZoiteChat please read our [documentation](https://docs.zoitechat.org/):
-- [Downloads](https://zoitechat.org/download)
 
-- [Troubleshooting](troubleshooting.md)
+Features include HexChat-compatible Python, Perl and Lua scripting support, a plugin API,
+multiple server/channel windows, spell checking, multiple authentication methods including SASL,
+and customizable notifications.
+
+See [IRCHelp.org](http://irchelp.org) for information about IRC in general.  
+
+For more information on ZoiteChat:
+
+- [Main Documentation](https://docs.zoitechat.org/) and [FAQ](https://docs.zoitechat.org/en/latest/faq.html)
+
+- [Downloads](https://zoitechat.org/download.php)
 
 
 ---

src/common/cfgfiles.c

@@ -447,6 +447,7 @@ const struct prefs vars[] =
 	{"gui_tab_layout", P_OFFINT (hex_gui_tab_layout), TYPE_INT},
 	{"gui_tab_closebuttons", P_OFFINT (hex_gui_tab_closebuttons), TYPE_BOOL},
 	{"gui_tab_middleclose", P_OFFINT (hex_gui_tab_middleclose), TYPE_BOOL},
+	{"gui_mouse_scroll_speed", P_OFFINT (hex_gui_mouse_scroll_speed), TYPE_INT},
 	{"gui_tab_newtofront", P_OFFINT (hex_gui_tab_newtofront), TYPE_INT},
 	{"gui_tab_pos", P_OFFINT (hex_gui_tab_pos), TYPE_INT},
 	{"gui_tab_scrollchans", P_OFFINT (hex_gui_tab_scrollchans), TYPE_BOOL},
@@ -548,6 +549,10 @@ const struct prefs vars[] =
 #endif
 	{"net_bind_host", P_OFFSET (hex_net_bind_host), TYPE_STR},
 	{"net_ping_timeout", P_OFFINT (hex_net_ping_timeout), TYPE_INT, zoitechat_reinit_timers},
+	{"net_lag_check", P_OFFINT (hex_net_lag_check), TYPE_INT, zoitechat_reinit_timers},
+	{"net_keepalive_idle", P_OFFINT (hex_net_keepalive_idle), TYPE_INT},
+	{"net_keepalive_interval", P_OFFINT (hex_net_keepalive_interval), TYPE_INT},
+	{"net_keepalive_count", P_OFFINT (hex_net_keepalive_count), TYPE_INT},
 	{"net_proxy_auth", P_OFFINT (hex_net_proxy_auth), TYPE_BOOL},
 	{"net_proxy_host", P_OFFSET (hex_net_proxy_host), TYPE_STR},
 	{"net_proxy_pass", P_OFFSET (hex_net_proxy_pass), TYPE_STR},
@@ -783,6 +788,7 @@ load_default_config(void)
 	prefs.hex_gui_tab_server = 1;
 	prefs.hex_gui_tab_sort = 1;
 	prefs.hex_gui_tab_scrollchans = 1;
+	prefs.hex_gui_mouse_scroll_speed = 10;
 	prefs.hex_gui_topicbar = 1;
 	prefs.hex_gui_transparency = 255;
 	prefs.hex_gui_tray = 1;
@@ -858,6 +864,10 @@ load_default_config(void)
 	prefs.hex_irc_ban_type = 1;
 	prefs.hex_irc_join_delay = 5;
 	prefs.hex_net_ping_timeout = 60;
+	prefs.hex_net_lag_check = 60;
+	prefs.hex_net_keepalive_idle = 60;
+	prefs.hex_net_keepalive_interval = 20;
+	prefs.hex_net_keepalive_count = 3;
 	prefs.hex_net_reconnect_delay = 10;
 	prefs.hex_notify_timeout = 15;
 	prefs.hex_text_max_indent = 256;

src/common/network.c

@@ -34,6 +34,9 @@
 
 #ifndef WIN32
 #include <unistd.h>
+#ifdef HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
 #endif
 
 #define WANTSOCKET
@@ -43,6 +46,9 @@
 
 #define NETWORK_PRIVATE
 #include "network.h"
+#include "zoitechat.h"
+
+extern struct zoitechatprefs prefs;
 
 #define RAND_INT(n) ((int)(rand() / (RAND_MAX + 1.0) * (n)))
 
@@ -58,6 +64,27 @@ net_set_socket_options (int sok)
 	setsockopt (sok, SOL_SOCKET, SO_REUSEADDR, (char *) &sw, sizeof (sw));
 	sw = 1;
 	setsockopt (sok, SOL_SOCKET, SO_KEEPALIVE, (char *) &sw, sizeof (sw));
+#ifdef TCP_KEEPIDLE
+	{
+		int keepidle = prefs.hex_net_keepalive_idle;
+		if (keepidle > 0)
+			setsockopt (sok, IPPROTO_TCP, TCP_KEEPIDLE, (char *) &keepidle, sizeof (keepidle));
+	}
+#endif
+#ifdef TCP_KEEPINTVL
+	{
+		int keepintvl = prefs.hex_net_keepalive_interval;
+		if (keepintvl > 0)
+			setsockopt (sok, IPPROTO_TCP, TCP_KEEPINTVL, (char *) &keepintvl, sizeof (keepintvl));
+	}
+#endif
+#ifdef TCP_KEEPCNT
+	{
+		int keepcnt = prefs.hex_net_keepalive_count;
+		if (keepcnt > 0)
+			setsockopt (sok, IPPROTO_TCP, TCP_KEEPCNT, (char *) &keepcnt, sizeof (keepcnt));
+	}
+#endif
 }
 
 char *

src/common/zoitechat.c

@@ -379,6 +379,7 @@ lag_check (void)
 	char tbuf[128];
 	time_t now = time (0);
 	time_t lag;
+	time_t ping_age;
 
 	tim = make_ping_time ();
 
@@ -388,7 +389,7 @@ lag_check (void)
 		if (serv->connected && serv->end_of_motd)
 		{
 			lag = now - serv->ping_recv;
-			if (prefs.hex_net_ping_timeout != 0 && lag > prefs.hex_net_ping_timeout && lag > 0)
+			if (serv->lag_sent && prefs.hex_net_ping_timeout != 0 && lag > prefs.hex_net_ping_timeout && lag > 0)
 			{
 				sprintf (tbuf, "%" G_GINT64_FORMAT, (gint64) lag);
 				EMIT_SIGNAL (XP_TE_PINGTIMEOUT, serv->server_session, tbuf, NULL,
@@ -397,12 +398,12 @@ lag_check (void)
 					serv->auto_reconnect (serv, FALSE, -1);
 			}
 			else
+			{
+				ping_age = now - serv->ping_recv;
+				if (!serv->lag_sent && prefs.hex_net_lag_check > 0 && ping_age >= prefs.hex_net_lag_check)
 				{
 					g_snprintf (tbuf, sizeof (tbuf), "LAG%lu", tim);
 					serv->p_ping (serv, "", tbuf);
-				
-				if (!serv->lag_sent)
-				{
 					serv->lag_sent = tim;
 					fe_set_lag (serv, -1);
 				}
@@ -525,7 +526,7 @@ zoitechat_reinit_timers (void)
 	if ((prefs.hex_net_ping_timeout != 0 || prefs.hex_gui_lagometer)
 	    && lag_check_tag == 0)
 	{
-		lag_check_tag = fe_timeout_add_seconds (30, zoitechat_lag_check, NULL);
+		lag_check_tag = fe_timeout_add_seconds (1, zoitechat_lag_check, NULL);
 	}
 	else if ((!prefs.hex_net_ping_timeout && !prefs.hex_gui_lagometer)
 					 && lag_check_tag != 0)

src/common/zoitechat.h

@@ -267,6 +267,7 @@ struct zoitechatprefs
 	int hex_gui_tab_layout;
 	int hex_gui_tab_closebuttons;
 	int hex_gui_tab_middleclose;
+	int hex_gui_mouse_scroll_speed;
 	int hex_gui_tab_newtofront;
 	int hex_gui_tab_pos;
 	int hex_gui_tab_small;
@@ -289,6 +290,10 @@ struct zoitechatprefs
 	int hex_irc_join_delay;
 	int hex_irc_notice_pos;
 	int hex_net_ping_timeout;
+	int hex_net_lag_check;
+	int hex_net_keepalive_idle;
+	int hex_net_keepalive_interval;
+	int hex_net_keepalive_count;
 	int hex_net_proxy_port;
 	int hex_net_proxy_type;				/* 0=disabled, 1=wingate 2=socks4, 3=socks5, 4=http */
 	int hex_net_proxy_use;				/* 0=all 1=IRC_ONLY 2=DCC_ONLY */

src/fe-gtk/chanview-tabs.c

@@ -305,11 +305,13 @@ static gboolean
 tab_scroll_cb (GtkWidget *widget, GdkEventScroll *event, gpointer cv)
 {
 	int direction = cv_scroll_direction (event);
+	int i;
 
 	if (prefs.hex_gui_tab_scrollchans)
 	{
 		if (direction != 0)
 		{
+			for (i = 0; i < cv_scroll_step_count (); i++)
 				mg_switch_page (1, direction);
 			return TRUE;
 		}
@@ -318,11 +320,13 @@ tab_scroll_cb (GtkWidget *widget, GdkEventScroll *event, gpointer cv)
 	{
 		if (direction < 0)
 		{
+			for (i = 0; i < cv_scroll_step_count (); i++)
 				tab_scroll_left_up_clicked (widget, cv);
 			return TRUE;
 		}
 		else if (direction > 0)
 		{
+			for (i = 0; i < cv_scroll_step_count (); i++)
 				tab_scroll_right_down_clicked (widget, cv);
 			return TRUE;
 		}

src/fe-gtk/chanview-tree.c

@@ -112,8 +112,10 @@ cv_tree_scroll_event_cb (GtkWidget *widget, GdkEventScroll *event, gpointer user
 	if (prefs.hex_gui_tab_scrollchans)
 	{
 		int direction = cv_scroll_direction (event);
+		int i;
 
 		if (direction != 0)
+			for (i = 0; i < cv_scroll_step_count (); i++)
 				mg_switch_page (1, direction);
 
 		return direction != 0;

src/fe-gtk/chanview.c

@@ -126,6 +126,15 @@ cv_scroll_direction (GdkEventScroll *event)
 	}
 }
 
+static int
+cv_scroll_step_count (void)
+{
+	int speed = prefs.hex_gui_mouse_scroll_speed;
+	if (speed < 1)
+		speed = 1;
+	return (speed + 9) / 10;
+}
+
 
 /* ======= TABS ======= */
 

src/fe-gtk/fe-gtk.vcxproj

@@ -44,6 +44,7 @@ REM zoitechat.rc needs to be in UCS-2 or Resource Compiler will complain
 powershell "Get-Content -Encoding UTF8 '$(ZoiteChatLib)zoitechat.rc.utf8' | Out-File '$(ZoiteChatLib)zoitechat.rc'; Remove-Item '$(ZoiteChatLib)zoitechat.rc.utf8'"
 "$(DepsRoot)\bin\glib-compile-resources.exe" --generate-header --manual-register --sourcedir "$(DataDir)" --target "$(ZoiteChatLib)resources.h" "$(DataDir)zoitechat.gresource.xml"
 "$(DepsRoot)\bin\glib-compile-resources.exe" --generate-source --manual-register --sourcedir "$(DataDir)" --target "$(ZoiteChatLib)resources.c" "$(DataDir)zoitechat.gresource.xml"
+"$(Python3Path)\python.exe" "$(DataDir)misc\fetch_offline_docs.py" "$(OfflineDocsUrl)" "$(ZoiteChatRel)." "$(SolutionDir).."
       ]]></Command>
       <Message>Build zoitechat.rc and gresource file</Message>
     </PreBuildEvent>

src/fe-gtk/gtkutil.c

@@ -272,13 +272,6 @@ gtkutil_apply_palette (GtkWidget *widget, const GdkRGBA *bg, const GdkRGBA *fg,
 	theme_manager_apply_palette_widget (widget, bg, fg, font_desc);
 }
 
-static void
-gtkutil_file_req_destroy (GtkWidget * wid, struct file_req *freq)
-{
-	freq->callback (freq->userdata, NULL);
-	g_free (freq);
-}
-
 static void
 gtkutil_check_file (char *filename, struct file_req *freq)
 {
@@ -390,26 +383,6 @@ gtkutil_file_req_done_chooser (GtkFileChooser *fs, struct file_req *freq)
 
 }
 
-static void
-gtkutil_file_req_done (GtkWidget * wid, struct file_req *freq)
-{
-	gtkutil_file_req_done_chooser (GTK_FILE_CHOOSER (freq->dialog), freq);
-	gtk_widget_destroy (freq->dialog);
-}
-
-static void
-gtkutil_file_req_response (GtkWidget *dialog, gint res, struct file_req *freq)
-{
-	if (res == GTK_RESPONSE_ACCEPT)
-	{
-		gtkutil_file_req_done (dialog, freq);
-		return;
-	}
-
-	gtk_widget_destroy (dialog);
-}
-
-#ifdef WIN32
 static gboolean
 gtkutil_native_dialog_unref_idle (gpointer native)
 {
@@ -423,27 +396,16 @@ gtkutil_native_file_req_response (GtkNativeDialog *dialog, gint res, struct file
 	if (res == GTK_RESPONSE_ACCEPT)
 		gtkutil_file_req_done_chooser (GTK_FILE_CHOOSER (dialog), freq);
 
-	/* Match gtk dialog flow by always sending NULL to indicate completion. */
 	freq->callback (freq->userdata, NULL);
 	g_free (freq);
-
-	/*
-	 * Defer unref until idle to avoid disposing the native chooser while
-	 * still in the button-release signal stack on Windows.
-	 */
 	g_idle_add (gtkutil_native_dialog_unref_idle, dialog);
 }
-#endif
 
 void
 gtkutil_file_req (GtkWindow *parent, const char *title, void *callback, void *userdata, char *filter, char *extensions,
 						int flags)
 {
 	struct file_req *freq;
-	GtkWidget *dialog;
-	GtkFileFilter *filefilter;
-	char *token;
-	char *tokenbuffer;
 	const char *xdir;
 	GtkWindow *effective_parent = parent;
 
@@ -453,7 +415,6 @@ gtkutil_file_req (GtkWindow *parent, const char *title, void *callback, void *us
 
 	xdir = get_xdir ();
 
-#ifdef WIN32
 	{
 		GtkFileChooserNative *native = gtk_file_chooser_native_new (
 			title,
@@ -529,107 +490,7 @@ gtkutil_file_req (GtkWindow *parent, const char *title, void *callback, void *us
 		gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
 		return;
 	}
-#endif
 
-	if (flags & FRF_WRITE)
-	{
-		dialog = gtk_file_chooser_dialog_new (title, NULL,
-												GTK_FILE_CHOOSER_ACTION_SAVE,
-												_("_Cancel"), GTK_RESPONSE_CANCEL,
-												_("_Save"), GTK_RESPONSE_ACCEPT,
-												NULL);
-
-		if (!(flags & FRF_NOASKOVERWRITE))
-			gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE);
-	}
-	else
-		dialog = gtk_file_chooser_dialog_new (title, NULL,
-												GTK_FILE_CHOOSER_ACTION_OPEN,
-												_("_Cancel"), GTK_RESPONSE_CANCEL,
-												_("_Open"), GTK_RESPONSE_ACCEPT,
-												NULL);
-
-	theme_manager_attach_window (dialog);
-
-	if (filter && filter[0] && (flags & FRF_FILTERISINITIAL))
-	{
-		if (flags & FRF_WRITE)
-		{
-			char temp[1024];
-			path_part (filter, temp, sizeof (temp));
-			if (temp[0] && g_file_test (temp, G_FILE_TEST_IS_DIR))
-				gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), temp);
-			else if (xdir && xdir[0] && g_file_test (xdir, G_FILE_TEST_IS_DIR))
-				gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), xdir);
-			gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), file_part (filter));
-		}
-		else
-		{
-			if (g_file_test (filter, G_FILE_TEST_IS_DIR))
-				gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), filter);
-			else if (xdir && xdir[0] && g_file_test (xdir, G_FILE_TEST_IS_DIR))
-				gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), xdir);
-		}
-	}
-	else if (!(flags & FRF_RECENTLYUSED))
-	{
-		if (xdir && xdir[0] && g_file_test (xdir, G_FILE_TEST_IS_DIR))
-			gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), xdir);
-	}
-
-	if (flags & FRF_MULTIPLE)
-		gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), TRUE);
-	if (flags & FRF_CHOOSEFOLDER)
-		gtk_file_chooser_set_action (GTK_FILE_CHOOSER (dialog), GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
-
-	if ((flags & FRF_EXTENSIONS || flags & FRF_MIMETYPES) && extensions != NULL)
-	{
-		filefilter = gtk_file_filter_new ();
-		tokenbuffer = g_strdup (extensions);
-		token = strtok (tokenbuffer, ";");
-
-		while (token != NULL)
-		{
-			if (flags & FRF_EXTENSIONS)
-				gtk_file_filter_add_pattern (filefilter, token);
-			else
-				gtk_file_filter_add_mime_type (filefilter, token);
-			token = strtok (NULL, ";");
-		}
-
-		g_free (tokenbuffer);
-		gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filefilter);
-	}
-
-	if (xdir && xdir[0] && g_file_test (xdir, G_FILE_TEST_IS_DIR))
-	{
-		GError *shortcut_error = NULL;
-
-		gtk_file_chooser_add_shortcut_folder (GTK_FILE_CHOOSER (dialog), xdir, &shortcut_error);
-		if (shortcut_error)
-			g_error_free (shortcut_error);
-	}
-	freq = g_new (struct file_req, 1);
-	freq->dialog = dialog;
-	freq->flags = flags;
-	freq->callback = callback;
-	freq->userdata = userdata;
-
-	g_signal_connect (G_OBJECT (dialog), "response",
-							G_CALLBACK (gtkutil_file_req_response), freq);
-	g_signal_connect (G_OBJECT (dialog), "destroy",
-						   G_CALLBACK (gtkutil_file_req_destroy), (gpointer) freq);
-
-	if (effective_parent)
-		gtk_window_set_transient_for (GTK_WINDOW (dialog), effective_parent);
-
-	if (flags & FRF_MODAL)
-	{
-		g_assert (effective_parent);
-		gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
-	}
-
-	gtk_widget_show (dialog);
 }
 
 static gboolean

src/fe-gtk/maingui.c

@@ -2705,7 +2705,6 @@ mg_changui_destroy (session *sess)
                 /* it fixes: Gdk-CRITICAL **: gdk_colormap_get_screen: */
                 /*           assertion `GDK_IS_COLORMAP (cmap)' failed */
                 ret = sess->gui->window;
-                g_free (sess->gui);
                 sess->gui = NULL;
         }
         return ret;
@@ -2727,13 +2726,17 @@ mg_link_irctab (session *sess, int focus)
                 return;
         }
 
+        session_gui *old_gui;
+
         mg_unpopulate (sess);
+        old_gui = sess->gui;
         win = mg_changui_destroy (sess);
         mg_changui_new (sess, sess->res, 1, focus);
         /* the buffer is now attached to a different widget */
         ((xtext_buffer *)sess->res->buffer)->xtext = (GtkXText *)sess->gui->xtext;
         if (win)
                 gtk_widget_destroy (win);
+        g_free (old_gui);
 }
 
 void
@@ -3468,7 +3471,7 @@ mg_create_infoframe (GtkWidget *box)
 
         frame = gtk_frame_new (0);
         gtk_frame_set_shadow_type ((GtkFrame*)frame, GTK_SHADOW_OUT);
-        gtk_box_pack_start (GTK_BOX (box), frame, FALSE, TRUE, 0);
+        gtk_box_pack_start (GTK_BOX (box), frame, TRUE, TRUE, 0);
 
         hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
         gtk_container_add (GTK_CONTAINER (frame), hbox);
@@ -3489,7 +3492,7 @@ mg_create_meters (session_gui *gui, GtkWidget *parent_box)
 
         if ((prefs.hex_gui_lagometer & 2) || (prefs.hex_gui_throttlemeter & 2))
         {
-                infbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
+                infbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, TRUE, 0);
                 gtk_box_pack_start (GTK_BOX (box), infbox, 0, 0, 0);
         }
 

src/fe-gtk/menu.c

@@ -1717,6 +1717,31 @@ menu_ctcpguiopen (void)
 static void
 menu_docs (GtkWidget *wid, gpointer none)
 {
+	GNetworkMonitor *monitor;
+	char *offline_docs;
+	gboolean online;
+
+	offline_docs = g_build_filename (get_xdir (), "offline-docs", "index.html", NULL);
+	if (g_access (offline_docs, R_OK) == 0)
+	{
+		fe_open_url (offline_docs);
+		g_free (offline_docs);
+		return;
+	}
+	g_free (offline_docs);
+	offline_docs = g_build_filename (ZOITECHATDOCDIR, "index.html", NULL);
+	if (g_access (offline_docs, R_OK) == 0)
+	{
+		fe_open_url (offline_docs);
+		g_free (offline_docs);
+		return;
+	}
+	g_free (offline_docs);
+	online = TRUE;
+	monitor = g_network_monitor_get_default ();
+	if (monitor)
+		online = g_network_monitor_get_network_available (monitor);
+	if (online)
 		fe_open_url ("https://docs.zoitechat.org/en/latest/");
 }
 

src/fe-gtk/setup.c

@@ -193,6 +193,7 @@ static const setting appearance_advanced_settings[] =
         {ST_HEADER,     N_("Advanced"),0,0,0},
         {ST_EFILE, N_ ("Background image:"), P_OFFSETNL (hex_text_background), 0, 0, sizeof prefs.hex_text_background},
         {ST_HSCALE, N_("Window opacity:"), P_OFFINTNL(hex_gui_transparency),0,0,0},
+        {ST_HSCALE, N_("Mouse wheel scroll speed (Slower ← → Faster):"), P_OFFINTNL(hex_gui_mouse_scroll_speed), 0, 0, 100},
 
         {ST_END, 0, 0, 0, 0, 0}
 };
@@ -582,6 +583,7 @@ static const setting advanced_settings[] =
         {ST_TOGGLE,     N_("Display lists in compact mode"), P_OFFINTNL(hex_gui_compact), N_("Use less spacing between user list/channel tree rows."), 0, 0},
         {ST_TOGGLE,     N_("Use server time if supported"), P_OFFINTNL(hex_irc_cap_server_time), N_("Display timestamps obtained from server if it supports the time-server extension."), 0, 0},
         {ST_TOGGLE,     N_("Automatically reconnect to servers on disconnect"), P_OFFINTNL(hex_net_auto_reconnect), 0, 0, 1},
+        {ST_NUMBER,     N_("Lag check interval:"), P_OFFINTNL(hex_net_lag_check), 0, (const char **)N_("seconds."), 9999},
         {ST_NUMBER,     N_("Auto reconnect delay:"), P_OFFINTNL(hex_net_reconnect_delay), 0, 0, 9999},
         {ST_NUMBER,     N_("Auto join delay:"), P_OFFINTNL(hex_irc_join_delay), 0, 0, 9999},
         {ST_MENU,       N_("Ban Type:"), P_OFFINTNL(hex_irc_ban_type), N_("Attempt to use this banmask when banning or quieting. (requires irc_who_join)"), bantypemenu, 0},
@@ -655,6 +657,11 @@ static const setting network_settings[] =
         {ST_MENU,       N_("Type:"), P_OFFINTNL(hex_net_proxy_type), 0, proxytypes, 0},
         {ST_MENU,       N_("Use proxy for:"), P_OFFINTNL(hex_net_proxy_use), 0, proxyuse, 0},
 
+        {ST_HEADER,     N_("Connection Health"), 0, 0, 0, 0},
+        {ST_NUMBER,     N_("TCP keepalive idle:"), P_OFFINTNL(hex_net_keepalive_idle), 0, (const char **)N_("seconds."), 7200},
+        {ST_NUMBER,     N_("TCP keepalive interval:"), P_OFFINTNL(hex_net_keepalive_interval), 0, (const char **)N_("seconds."), 600},
+        {ST_NUMBER,     N_("TCP keepalive probes:"), P_OFFINTNL(hex_net_keepalive_count), 0, 0, 20},
+
         {ST_HEADER,     N_("Proxy Authentication"), 0, 0, 0, 0},
         {ST_TOGGLE,     N_("Use authentication (HTTP or SOCKS5 only)"), P_OFFINTNL(hex_net_proxy_auth), 0, 0, 0},
         {ST_ENTRY,      N_("Username:"), P_OFFSETNL(hex_net_proxy_user), 0, 0, sizeof prefs.hex_net_proxy_user},

src/fe-gtk/xtext.c

@@ -2300,6 +2300,12 @@ gtk_xtext_leave_notify (GtkWidget * widget, GdkEventCrossing * event)
 		xtext->hilight_ent = NULL;
 	}
 
+	if (xtext->tooltip_stamp_set)
+	{
+		gtk_widget_set_tooltip_text (widget, NULL);
+		xtext->tooltip_stamp_set = FALSE;
+	}
+
 	return FALSE;
 }
 
@@ -2466,7 +2472,7 @@ gtk_xtext_motion_notify (GtkWidget * widget, GdkEventMotion * event)
 	}
 
 	if (xtext->urlcheck_function == NULL)
-		return FALSE;
+		goto tooltip_check;
 
 	word_type = gtk_xtext_get_word_adjust (xtext, x, y, &word_ent, &offset, &len);
 	if (word_type > 0)
@@ -2504,6 +2510,46 @@ gtk_xtext_motion_notify (GtkWidget * widget, GdkEventMotion * event)
 		return FALSE;
 	}
 
+tooltip_check:
+	if (xtext->buffer->time_stamp && xtext->buffer->indent > 0 && x >= 0 && x < xtext->stamp_width)
+	{
+		textentry *ent = gtk_xtext_find_char (xtext, x, y, NULL, NULL);
+		if (ent && (!xtext->tooltip_stamp_set || xtext->tooltip_stamp != ent->stamp))
+		{
+			char tooltip[96];
+			strftime_utf8 (tooltip, sizeof (tooltip), "%Y-%m-%d", ent->stamp);
+			gtk_widget_set_tooltip_text (widget, tooltip);
+			xtext->tooltip_stamp = ent->stamp;
+			xtext->tooltip_stamp_set = TRUE;
+		}
+		if (ent)
+			return FALSE;
+	}
+	else if (!xtext->buffer->time_stamp && x >= xtext->buffer->indent)
+	{
+		textentry *ent = gtk_xtext_find_char (xtext, x, y, NULL, NULL);
+		if (ent && ent->stamp && (!xtext->tooltip_stamp_set || xtext->tooltip_stamp != ent->stamp))
+		{
+			char tooltip[128];
+			char date[64];
+			char *stamp_text;
+			strftime_utf8 (date, sizeof (date), "%Y-%m-%d", ent->stamp);
+			xtext_get_stamp_str (ent->stamp, &stamp_text);
+			g_snprintf (tooltip, sizeof (tooltip), "%s %s", date, stamp_text);
+			gtk_widget_set_tooltip_text (widget, tooltip);
+			g_free (stamp_text);
+			xtext->tooltip_stamp = ent->stamp;
+			xtext->tooltip_stamp_set = TRUE;
+		}
+		if (ent)
+			return FALSE;
+	}
+	else if (xtext->tooltip_stamp_set)
+	{
+		gtk_widget_set_tooltip_text (widget, NULL);
+		xtext->tooltip_stamp_set = FALSE;
+	}
+
 	gtk_xtext_leave_notify (widget, NULL);
 
 	return FALSE;
@@ -2938,19 +2984,41 @@ gtk_xtext_scroll (GtkWidget *widget, GdkEventScroll *event)
 {
 	GtkXText *xtext = GTK_XTEXT (widget);
 	gfloat new_value;
+	gfloat step;
+	gdouble dx;
+	gdouble dy;
+	int direction = 0;
+	int speed = prefs.hex_gui_mouse_scroll_speed;
 
-	if (event->direction == GDK_SCROLL_UP)		/* mouse wheel pageUp */
+	if (speed < 1)
+		speed = 1;
+	step = (xtext_adj_get_page_increment (xtext->adj) * speed) / 100.0f;
+
+	if (event->direction == GDK_SCROLL_SMOOTH &&
+		gdk_event_get_scroll_deltas ((GdkEvent *)event, &dx, &dy))
+	{
+		if (dy > 0)
+			direction = 1;
+		else if (dy < 0)
+			direction = -1;
+	}
+	else if (event->direction == GDK_SCROLL_UP)
+		direction = -1;
+	else if (event->direction == GDK_SCROLL_DOWN)
+		direction = 1;
+
+	if (direction < 0)
 	{
 		new_value = xtext_adj_get_value (xtext->adj) -
-			(xtext_adj_get_page_increment (xtext->adj) / 10);
+			step;
 		if (new_value < xtext_adj_get_lower (xtext->adj))
 			new_value = xtext_adj_get_lower (xtext->adj);
 		xtext_adj_set_value (xtext->adj, new_value);
 	}
-	else if (event->direction == GDK_SCROLL_DOWN)	/* mouse wheel pageDn */
+	else if (direction > 0)
 	{
 		new_value = xtext_adj_get_value (xtext->adj) +
-			(xtext_adj_get_page_increment (xtext->adj) / 10);
+			step;
 		if (new_value > (xtext_adj_get_upper (xtext->adj) -
 			xtext_adj_get_page_size (xtext->adj)))
 			new_value = xtext_adj_get_upper (xtext->adj) -
@@ -2958,7 +3026,7 @@ gtk_xtext_scroll (GtkWidget *widget, GdkEventScroll *event)
 		xtext_adj_set_value (xtext->adj, new_value);
 	}
 
-	return FALSE;
+	return direction != 0;
 }
 
 static void

src/fe-gtk/xtext.h

@@ -190,6 +190,8 @@ struct _GtkXText
 	textentry *hilight_ent;
 	int hilight_start;
 	int hilight_end;
+	time_t tooltip_stamp;
+	unsigned int tooltip_stamp_set:1;
 
 	guint16 fontwidth[128];	  /* each char's width, only the ASCII ones */
 

win32/config.h.tt

@@ -9,6 +9,7 @@
 #define PACKAGE_VERSION "<#= [string]::Join('.', $versionParts) #>"
 #define ZOITECHATLIBDIR ".\\plugins"
 #define ZOITECHATSHAREDIR "."
+#define ZOITECHATDOCDIR "offline-docs"
 #define OLD_PERL
 #define GETTEXT_PACKAGE "zoitechat"
 #define PACKAGE_TARNAME "zoitechat-<#= [string]::Join('.', $versionParts) #>"

win32/installer/zoitechat.iss.tt

@@ -1,5 +1,6 @@
 #define APPNAM "ZoiteChat"
 #define APPVER "<#= [string]::Join('.', $versionParts) #>"
+#define OFFLINEDOCSURL "https://dl.zoitechat.org/offlinedocs/zoitechat-docs-html-" + APPVER + ".tar.gz"
 ; These are defined by our installer project at build time
 ;#define APPARCH "x64"
 ;#define PROJECTDIR "C:\...\zoitechat\win32\installer\"
@@ -49,6 +50,7 @@ Name: "icons"; Description: "Create Shortcuts"; Types: custom; Flags: disablenou
 Name: "icons\desktopicon"; Description: "Create Desktop Shortcut"; Types: custom; Flags: disablenouninstallwarning
 Name: "icons\quicklaunchicon"; Description: "Create Quick Launch Shortcut"; Types: custom; Flags: disablenouninstallwarning
 Name: "translations"; Description: "Translations"; Types: normal custom; Flags: disablenouninstallwarning
+Name: "docs"; Description: "Offline Documentation"; Types: normal minimal custom; Flags: disablenouninstallwarning
 Name: "spell"; Description: "Spelling Dictionaries"; Types: custom; Flags: disablenouninstallwarning
 Name: "plugins"; Description: "Plugins"; Types: custom; Flags: disablenouninstallwarning
 Name: "plugins\checksum"; Description: "Checksum"; Types: custom; Flags: disablenouninstallwarning
@@ -95,6 +97,7 @@ Filename: "{sys}\WindowsPowerShell\v1.0\powershell.exe"; Parameters: "-NoProfile
 
 [Dirs]
 Name: "{userappdata}\ZoiteChat\gtk3-themes"; Components: themes
+Name: "{app}\offline-docs"; Components: docs
 
 [Files]
 Source: "portable-mode"; DestDir: "{app}"; Tasks: portable
@@ -105,6 +108,7 @@ Source: "cert.pem"; DestDir: "{app}"; Flags: ignoreversion; Components: libs
 Source: "share\xml\*"; DestDir: "{app}\share\xml"; Flags: ignoreversion createallsubdirs recursesubdirs; Components: libs
 Source: "share\doc\zoitechat\*"; DestDir: "{app}\share\doc\zoitechat"; Flags: ignoreversion createallsubdirs recursesubdirs; Components: libs
 Source: "share\doc\WinSparkle\*"; DestDir: "{app}\share\doc\WinSparkle"; Flags: ignoreversion createallsubdirs recursesubdirs; Components: libs
+Source: "offline-docs\*"; DestDir: "{app}\offline-docs"; Flags: ignoreversion createallsubdirs recursesubdirs; Components: docs
 Source: "share\themes\MS-Windows\*"; DestDir: "{app}\share\themes\MS-Windows"; Flags: ignoreversion createallsubdirs recursesubdirs skipifsourcedoesntexist; Components: libs
 Source: "share\glib-2.0\schemas\*"; DestDir: "{app}\share\glib-2.0\schemas"; Flags: ignoreversion createallsubdirs recursesubdirs skipifsourcedoesntexist; Components: libs
 Source: "share\icons\hicolor\*"; DestDir: "{app}\share\icons\hicolor"; Flags: ignoreversion createallsubdirs recursesubdirs skipifsourcedoesntexist; Components: libs
@@ -314,7 +318,34 @@ begin
 end;
 
 
-/////////////////////////////////////////////////////////////////////
+function InstallOfflineDocs(): Boolean;
+var
+	Archive: String;
+	DocsDir: String;
+	ResultCode: Integer;
+	Script: String;
+	WorkDir: String;
+begin
+	Result := True;
+	Archive := ExpandConstant('{tmp}\offline-docs.tar.gz');
+	DocsDir := ExpandConstant('{app}\offline-docs');
+	WorkDir := ExpandConstant('{tmp}\offline-docs-extract');
+	if not FileExists(Archive) then
+		Exit;
+	Script := 'Remove-Item -LiteralPath ''' + WorkDir + ''' -Recurse -Force -ErrorAction SilentlyContinue; ' +
+		'New-Item -ItemType Directory -LiteralPath ''' + WorkDir + ''' -Force | Out-Null; ' +
+		'tar -xzf ''' + Archive + ''' -C ''' + WorkDir + '''; ' +
+		'$i = Get-ChildItem -LiteralPath ''' + WorkDir + ''' -Recurse -Filter index.html | Select-Object -First 1; ' +
+		'if (-not $i) { exit 1 }; ' +
+		'Remove-Item -LiteralPath ''' + DocsDir + ''' -Recurse -Force -ErrorAction SilentlyContinue; ' +
+		'New-Item -ItemType Directory -LiteralPath ''' + DocsDir + ''' -Force | Out-Null; ' +
+		'Copy-Item -Path (Join-Path $i.DirectoryName ''*'') -Destination ''' + DocsDir + ''' -Recurse -Force';
+	if not Exec(ExpandConstant('{sys}\WindowsPowerShell\v1.0\powershell.exe'), '-NoProfile -ExecutionPolicy Bypass -Command "' + Script + '"', '', SW_HIDE, ewWaitUntilTerminated, ResultCode) then
+		Result := False
+	else
+		Result := ResultCode = 0;
+end;
+
 function CheckSpellInstall(): Boolean;
 var
 	Version: TWindowsVersion;
@@ -351,6 +382,9 @@ begin
 	if IsComponentSelected('themes\windows10dark') then
 		idpAddFile('https://dl.zoitechat.zoite.net/themes/GTK3Themes/Windows-10-Dark-3.2.1-dark.zip', ExpandConstant('{tmp}\Windows-10-Dark-3.2.1-dark.zip'));
 
+	if IsComponentSelected('docs') then
+		idpAddFile('{#OFFLINEDOCSURL}', ExpandConstant('{tmp}\offline-docs.tar.gz'));
+
 	if not IsTaskSelected('portable') then
 	begin
 
@@ -419,6 +453,13 @@ begin
 			Exit;
 		end;
 
+		if IsComponentSelected('docs') and not FileExists(ExpandConstant('{tmp}\offline-docs.tar.gz')) then
+		begin
+			MsgBox('Offline documentation could not be downloaded. Please retry setup or rerun setup with Offline Documentation deselected.', mbError, MB_OK);
+			Result := False;
+			Exit;
+		end;
+
 		if IsComponentSelected('deps\vcredist2015') and not CheckVCInstall() and not FileExists(ExpandConstant('{tmp}\vcredist.exe')) then
 		begin
 			MsgBox('Visual C++ Redistributable could not be downloaded. Please retry setup or install it manually and rerun setup.', mbError, MB_OK);
@@ -497,4 +538,10 @@ begin
 			DeleteFile(ExpandConstant('{app}\portable-mode'));
 		end;
 	end;
+
+	if (CurStep=ssPostInstall) and IsComponentSelected('docs') then
+	begin
+		if not InstallOfflineDocs() then
+			MsgBox('Offline documentation could not be installed from the downloaded archive.', mbError, MB_OK);
+	end;
 end;