Merge remote-tracking branch 'upstream/master' into tray-child-window

.editorconfig

@@ -7,6 +7,9 @@ indent_style = space
 indent_size = 2
 charset = utf-8
 
+[*.py]
+indent_size = 4
+
 [Makefile]
 indent_style = tab
 indent_size = 2

CHANGELOG.md

@@ -26,6 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added experimental support for positioning the tray like a module
 - `internal/backlight`: `scroll-interval` option ([`#2696`](https://github.com/polybar/polybar/issues/2696), [`#2700`](https://github.com/polybar/polybar/pull/2700))
 - `internal/temperature`: Added `zone-type` setting ([`#2572`](https://github.com/polybar/polybar/issues/2572), [`#2752`](https://github.com/polybar/polybar/pull/2752)) by [@xphoniex](https://github.com/xphoniex)
+- `internal/xwindow`: `%class%` and `%instance%` tokens, which show the contents of the `WM_CLASS` property of the active window ([`#2830`](https://github.com/polybar/polybar/pull/2830))
 
 ### Changed
 - `internal/fs`: Use `/` as a fallback if no mountpoints are specified ([`#2572`](https://github.com/polybar/polybar/issues/2572), [`#2705`](https://github.com/polybar/polybar/pull/2705))
@@ -40,6 +41,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - config:
   - Error reporting for deprecated config values ([`#2724`](https://github.com/polybar/polybar/issues/2724))
   - Also monitor include-files for changes when --reload is set ([`#675`](https://github.com/polybar/polybar/issues/675), [`#2759`](https://github.com/polybar/polybar/pull/2759))
+- `internal/xwindow`: module does not crash when a tag is not provided in format ([`#2826`](https://github.com/polybar/polybar/issues/2826), [`#2833`](https://github.com/polybar/polybar/pull/2833)) by [@VanillaViking](https://github.com/VanillaViking)
 
 ## [3.6.3] - 2022-05-04
 ### Fixed

cmake/04-targets.cmake

@@ -17,13 +17,23 @@ add_custom_target(uninstall
 # folders where the clang tools should operate
 set(CLANG_SEARCH_PATHS ${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/tests)
 
-# Target: codeformat (clang-format) {{{
+# Runs clang-format on all source files
+add_custom_target(
+  clangformat
+  COMMAND ${PROJECT_SOURCE_DIR}/common/file-runner.py
+  --dirs ${CLANG_SEARCH_PATHS}
+  -- clang-format -style=file -i --verbose
+  )
 
-add_custom_target(codeformat)
-add_custom_command(TARGET codeformat
-  COMMAND ${PROJECT_SOURCE_DIR}/common/clang-format.sh ${CLANG_SEARCH_PATHS})
+# Dry-runs clang-format on all source files
+# Useful for CI since it will exit with an error code
+add_custom_target(
+  clangformat-dryrun
+  COMMAND ${PROJECT_SOURCE_DIR}/common/file-runner.py
+  --dirs ${CLANG_SEARCH_PATHS}
+  -- clang-format -style=file --dry-run -Werror --verbose
+  )
 
-# }}}
 # Target: codecheck (clang-tidy) {{{
 
 add_custom_target(codecheck)

common/clang-format.sh

@@ -1,20 +0,0 @@
-#!/bin/sh
-
-main() {
-  if [ $# -lt 1 ]; then
-    echo "$0 DIR..." 1>&2
-    exit 1
-  fi
-
-  # Search paths
-  search="${*:-.}"
-
-  echo "$0 in $search"
-
-  # shellcheck disable=2086
-  find $search -regex ".*.[c|h]pp"                           \
-    -exec printf "\\033[32;1m** \\033[0mFormatting %s\\n" {} \; \
-    -exec clang-format -style=file -i {} \;
-}
-
-main "$@"

common/file-runner.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+from pathlib import Path
+import sys
+import os
+import argparse
+import subprocess
+
+EXTENSIONS = set('.' + ext for ext in ['c', 'h', 'cpp', 'hpp', 'inl'])
+
+
+def get_files(dirs):
+    """
+    Generator which yields all files in the given directories with any of the
+    EXTENSIONS.
+    """
+    for dir in dirs:
+        for root, _, files in os.walk(dir):
+            for file in files:
+                path = Path(os.path.join(root, file))
+                if path.suffix in EXTENSIONS:
+                    yield path
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="""
+        Run command on all C/C++ source files in the given directories
+        """)
+    parser.add_argument('--dirs', type=Path, nargs='+',
+                        help='Directories to search in')
+    parser.add_argument('command', nargs='+',
+                        help='Command to which to pass found files')
+    args = parser.parse_args()
+
+    all_files = list(str(file) for file in get_files(args.dirs))
+
+    if not all_files:
+        print("No files found")
+        sys.exit(1)
+
+    result = subprocess.run(args.command + all_files)
+    print(f'Formatted {len(all_files)} files')
+
+    if result.returncode != 0:
+        sys.exit(result.returncode)
+
+
+if __name__ == '__main__':
+    main()

doc/conf.py

@@ -96,7 +96,7 @@ master_doc = 'index'
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+# language = None
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

include/modules/xwindow.hpp

@@ -11,13 +11,15 @@ POLYBAR_NS
 class connection;
 
 namespace modules {
-  class active_window {
+  class active_window : public non_copyable_mixin, public non_movable_mixin {
    public:
     explicit active_window(xcb_connection_t* conn, xcb_window_t win);
     ~active_window();
 
-    bool match(const xcb_window_t win) const;
+    bool match(xcb_window_t win) const;
     string title() const;
+    string instance_name() const;
+    string class_name() const;
 
    private:
     xcb_connection_t* m_connection{nullptr};
@@ -33,7 +35,7 @@ namespace modules {
     enum class state { NONE, ACTIVE, EMPTY };
     explicit xwindow_module(const bar_settings&, string);
 
-    void update(bool force = false);
+    void update();
     bool build(builder* builder, const string& tag) const;
 
     static constexpr auto TYPE = "internal/xwindow";
@@ -41,6 +43,8 @@ namespace modules {
    protected:
     void handle(const evt::property_notify& evt) override;
 
+    void reset_active_window();
+
    private:
     static constexpr const char* TAG_LABEL{"<label>"};
 

include/x11/atoms.hpp

@@ -10,7 +10,7 @@ struct cached_atom {
   xcb_atom_t& atom;
 };
 
-extern std::array<cached_atom, 36> ATOMS;
+extern std::array<cached_atom, 38> ATOMS;
 
 extern xcb_atom_t _NET_SUPPORTED;
 extern xcb_atom_t _NET_CURRENT_DESKTOP;
@@ -48,3 +48,5 @@ extern xcb_atom_t ESETROOT_PMAP_ID;
 extern xcb_atom_t _COMPTON_SHADOW;
 extern xcb_atom_t _NET_WM_WINDOW_OPACITY;
 extern xcb_atom_t WM_HINTS;
+extern xcb_atom_t WM_NAME;
+extern xcb_atom_t WM_CLASS;

include/x11/icccm.hpp

@@ -8,6 +8,7 @@ POLYBAR_NS
 
 namespace icccm_util {
   string get_wm_name(xcb_connection_t* c, xcb_window_t w);
+  pair<string, string> get_wm_class(xcb_connection_t* c, xcb_window_t w);
   string get_reply_string(xcb_icccm_get_text_property_reply_t* reply);
 
   void set_wm_name(xcb_connection_t* c, xcb_window_t w, const char* wmname, size_t l, const char* wmclass, size_t l2);
@@ -15,6 +16,6 @@ namespace icccm_util {
   bool get_wm_urgency(xcb_connection_t* c, xcb_window_t w);
 
   void set_wm_size_hints(xcb_connection_t* c, xcb_window_t w, int x, int y, int width, int height);
-}
+} // namespace icccm_util
 
 POLYBAR_NS_END

src/modules/xwindow.cpp

@@ -42,6 +42,7 @@ namespace modules {
    * Get the title by returning the first non-empty value of:
    *  _NET_WM_NAME
    *  _NET_WM_VISIBLE_NAME
+   *  WM_NAME
    */
   string active_window::title() const {
     string title;
@@ -57,6 +58,14 @@ namespace modules {
     }
   }
 
+  string active_window::instance_name() const {
+    return icccm_util::get_wm_class(m_connection, m_window).first;
+  }
+
+  string active_window::class_name() const {
+    return icccm_util::get_wm_class(m_connection, m_window).second;
+  }
+
   /**
    * Construct module
    */
@@ -84,12 +93,13 @@ namespace modules {
    */
   void xwindow_module::handle(const evt::property_notify& evt) {
     if (evt->atom == _NET_ACTIVE_WINDOW) {
-      update(true);
-    } else if (evt->atom == _NET_CURRENT_DESKTOP) {
-      update(true);
-    } else if (evt->atom == _NET_WM_VISIBLE_NAME) {
+      reset_active_window();
       update();
-    } else if (evt->atom == _NET_WM_NAME) {
+    } else if (evt->atom == _NET_CURRENT_DESKTOP) {
+      reset_active_window();
+      update();
+    } else if (evt->atom == _NET_WM_NAME || evt->atom == _NET_WM_VISIBLE_NAME || evt->atom == WM_NAME ||
+               evt->atom == WM_CLASS) {
       update();
     } else {
       return;
@@ -98,28 +108,33 @@ namespace modules {
     broadcast();
   }
 
-  /**
-   * Update the currently active window and query its title
-   */
-  void xwindow_module::update(bool force) {
-    xcb_window_t win;
-
-    if (force) {
+  void xwindow_module::reset_active_window() {
     m_active.reset();
   }
 
-    if (!m_active && (win = ewmh_util::get_active_window()) != XCB_NONE) {
+  /**
+   * Update the currently active window and query its title
+   */
+  void xwindow_module::update() {
+    if (!m_active) {
+      xcb_window_t win = ewmh_util::get_active_window();
+      if (win != XCB_NONE) {
         m_active = make_unique<active_window>(m_connection, win);
       }
+    }
 
+    if (!m_statelabels.empty()) {
       if (m_active) {
         m_label = m_statelabels.at(state::ACTIVE)->clone();
         m_label->reset_tokens();
         m_label->replace_token("%title%", m_active->title());
+        m_label->replace_token("%instance%", m_active->instance_name());
+        m_label->replace_token("%class%", m_active->class_name());
       } else {
         m_label = m_statelabels.at(state::EMPTY)->clone();
       }
     }
+  }
 
   /**
    * Output content as defined in the config

src/x11/atoms.cpp

@@ -39,9 +39,11 @@ xcb_atom_t ESETROOT_PMAP_ID;
 xcb_atom_t _COMPTON_SHADOW;
 xcb_atom_t _NET_WM_WINDOW_OPACITY;
 xcb_atom_t WM_HINTS;
+xcb_atom_t WM_NAME;
+xcb_atom_t WM_CLASS;
 
 // clang-format off
-std::array<cached_atom, 36> ATOMS = {{
+std::array<cached_atom, 38> ATOMS = {{
   {"_NET_SUPPORTED", _NET_SUPPORTED},
   {"_NET_CURRENT_DESKTOP", _NET_CURRENT_DESKTOP},
   {"_NET_ACTIVE_WINDOW", _NET_ACTIVE_WINDOW},
@@ -78,5 +80,7 @@ std::array<cached_atom, 36> ATOMS = {{
   {"_COMPTON_SHADOW", _COMPTON_SHADOW},
   {"_NET_WM_WINDOW_OPACITY", _NET_WM_WINDOW_OPACITY},
   {"WM_HINTS", WM_HINTS},
+  {"WM_NAME", WM_NAME},
+  {"WM_CLASS", WM_CLASS},
 }};
 // clang-format on

src/x11/icccm.cpp

@@ -13,6 +13,16 @@ namespace icccm_util {
     return "";
   }
 
+  pair<string, string> get_wm_class(xcb_connection_t* c, xcb_window_t w) {
+    pair<string, string> result{"", ""};
+    xcb_icccm_get_wm_class_reply_t reply{};
+    if (xcb_icccm_get_wm_class_reply(c, xcb_icccm_get_wm_class(c, w), &reply, nullptr)) {
+      result = {string(reply.instance_name), string(reply.class_name)};
+      xcb_icccm_get_wm_class_reply_wipe(&reply);
+    }
+    return result;
+  }
+
   string get_reply_string(xcb_icccm_get_text_property_reply_t* reply) {
     string str;
     if (reply) {