build: Optional X extensions

cmake/build/options.cmake

@@ -51,9 +51,11 @@ option(ENABLE_I3          "Enable i3 support"          ON)
 option(ENABLE_MPD         "Enable mpd support"         ON)
 option(ENABLE_NETWORK     "Enable network support"     ON)
 
-option(ENABLE_RANDR_EXT   "Enable RandR X extension"   ON)
+option(ENABLE_RANDR_EXT     "Enable RandR X extension"   ON)
-option(ENABLE_RENDER_EXT  "Enable Render X extension"  OFF)
+option(ENABLE_RENDER_EXT    "Enable Render X extension"  OFF)
-option(ENABLE_DAMAGE_EXT  "Enable Damage X extension"  OFF)
+option(ENABLE_DAMAGE_EXT    "Enable Damage X extension"  OFF)
+option(ENABLE_SYNC_EXT      "Enable Sync X extension"    OFF)
+option(ENABLE_COMPOSITE_EXT "Enable Sync X extension"    OFF)
 
 # }}}
 # Set cache vars {{{

cmake/build/summary.cmake

@@ -58,4 +58,6 @@ message(STATUS "--------------------------")
 colored_option(STATUS " Enable X RandR       ${ENABLE_RANDR_EXT}" ENABLE_RANDR_EXT "32;1" "37;2")
 colored_option(STATUS " Enable X Render      ${ENABLE_RENDER_EXT}" ENABLE_RENDER_EXT "32;1" "37;2")
 colored_option(STATUS " Enable X Damage      ${ENABLE_DAMAGE_EXT}" ENABLE_DAMAGE_EXT "32;1" "37;2")
+colored_option(STATUS " Enable X Sync        ${ENABLE_SYNC_EXT}" ENABLE_SYNC_EXT "32;1" "37;2")
+colored_option(STATUS " Enable X Composite   ${ENABLE_COMPOSITE_EXT}" ENABLE_COMPOSITE_EXT "32;1" "37;2")
 message(STATUS "--------------------------")

include/config.hpp.cmake

@@ -17,9 +17,11 @@
 #cmakedefine01 ENABLE_NETWORK
 #cmakedefine01 ENABLE_I3
 
-#cmakedefine ENABLE_RANDR_EXT
+#cmakedefine01 ENABLE_RANDR_EXT
-#cmakedefine ENABLE_RENDER_EXT
+#cmakedefine01 ENABLE_RENDER_EXT
-#cmakedefine ENABLE_DAMAGE_EXT
+#cmakedefine01 ENABLE_DAMAGE_EXT
+#cmakedefine01 ENABLE_SYNC_EXT
+#cmakedefine01 ENABLE_COMPOSITE_EXT
 
 #cmakedefine DEBUG_LOGGER
 #cmakedefine VERBOSE_TRACELOG

include/x11/composite.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "config.hpp"
+
+#if not ENABLE_COMPOSITE_EXT
+#error "X Composite extension is disabled..."
+#endif
+
+#include <xcb/composite.h>
+#include <xpp/proto/composite.hpp>

include/x11/connection.hpp

@@ -10,33 +10,51 @@
 #include "common.hpp"
 #include "x11/types.hpp"
 
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
 #include "x11/damage.hpp"
 #endif
-#ifdef ENABLE_RENDER_EXT
+#if ENABLE_RENDER_EXT
 #include "x11/render.hpp"
 #endif
-#ifdef ENABLE_RANDR_EXT
+#if ENABLE_RANDR_EXT
 #include "x11/randr.hpp"
 #endif
+#if ENABLE_SYNC_EXT
+#include "x11/sync.hpp"
+#endif
+#if ENABLE_COMPOSITE_EXT
+#include "x11/composite.hpp"
+#endif
 
 POLYBAR_NS
 
 using xpp_connection = xpp::connection<
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
     xpp::damage::extension
 #endif
-#ifdef ENABLE_RANDR_EXT
+#if ENABLE_RANDR_EXT
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
     ,
 #endif
     xpp::randr::extension
 #endif
-#ifdef ENABLE_RENDER_EXT
+#if ENABLE_RENDER_EXT
-#ifdef ENABLE_RANDR_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT)
     ,
 #endif
     xpp::render::extension
+#endif
+#if ENABLE_SYNC_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT || ENABLE_RENDER_EXT)
+    ,
+#endif
+    xpp::sync::extension
+#endif
+#if ENABLE_COMPOSITE_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT || ENABLE_RENDER_EXT || ENABLE_SYNC_EXT)
+    ,
+#endif
+    xpp::composite::extension
 #endif
     >;
 

include/x11/damage.hpp

@@ -2,8 +2,9 @@
 
 #include "config.hpp"
 
-#ifndef ENABLE_DAMAGE_EXT
+#if not ENABLE_DAMAGE_EXT
 #error "X Damage extension is disabled..."
 #endif
 
+#include <xcb/damage.h>
 #include <xpp/proto/damage.hpp>

include/x11/draw.hpp

@@ -9,8 +9,8 @@ POLYBAR_NS
 class connection;
 
 namespace draw_util {
-  void fill(connection& conn, xcb_drawable_t d, xcb_gcontext_t g, const xcb_rectangle_t rect);
+  void fill(xcb_connection_t* c, xcb_drawable_t d, xcb_gcontext_t g, const xcb_rectangle_t rect);
-  void fill(connection& conn, xcb_drawable_t d, xcb_gcontext_t g, int16_t x, int16_t y, uint16_t w, uint16_t h);
+  void fill(xcb_connection_t* c, xcb_drawable_t d, xcb_gcontext_t g, int16_t x, int16_t y, uint16_t w, uint16_t h);
 
   xcb_void_cookie_t xcb_poly_text_16_patched(
       xcb_connection_t* conn, xcb_drawable_t d, xcb_gcontext_t gc, int16_t x, int16_t y, uint8_t len, uint16_t* str);

include/x11/randr.hpp

@@ -2,10 +2,11 @@
 
 #include "config.hpp"
 
-#ifndef ENABLE_RANDR_EXT
+#if not ENABLE_RANDR_EXT
 #error "X RandR extension is disabled..."
 #endif
 
+#include <xcb/randr.h>
 #include <xpp/proto/randr.hpp>
 #include <xpp/xpp.hpp>
 

include/x11/render.hpp

@@ -2,8 +2,9 @@
 
 #include "config.hpp"
 
-#ifndef ENABLE_RENDER_EXT
+#if not ENABLE_RENDER_EXT
 #error "X Render extension is disabled..."
 #endif
 
+#include <xcb/render.h>
 #include <xpp/proto/render.hpp>

include/x11/sync.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "config.hpp"
+
+#if not ENABLE_SYNC_EXT
+#error "X Sync extension is disabled..."
+#endif
+
+#include <xcb/sync.h>
+#include <xpp/proto/sync.hpp>

include/x11/types.hpp

@@ -4,21 +4,31 @@
 
 // fwd
 namespace xpp {
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
   namespace damage {
     class extension;
   }
 #endif
-#ifdef ENABLE_RANDR_EXT
+#if ENABLE_RANDR_EXT
   namespace randr {
     class extension;
   }
 #endif
-#ifdef ENABLE_RENDER_EXT
+#if ENABLE_SYNC_EXT
+  namespace sync {
+    class extension;
+  }
+#endif
+#if ENABLE_RENDER_EXT
   namespace render {
     class extension;
   }
 #endif
+#if ENABLE_COMPOSITE_EXT
+  namespace composite {
+    class extension;
+  }
+#endif
 }
 
 #include <xpp/xpp.hpp>
@@ -38,20 +48,32 @@ using font = xpp::font<connection&>;
 using cursor = xpp::cursor<connection&>;
 
 using registry = xpp::event::registry<connection&,
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
     xpp::damage::extension
 #endif
-#ifdef ENABLE_RANDR_EXT
+#if ENABLE_RANDR_EXT
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
     ,
 #endif
     xpp::randr::extension
 #endif
-#ifdef ENABLE_RENDER_EXT
+#if ENABLE_RENDER_EXT
-#ifdef ENABLE_RANDR_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT)
     ,
 #endif
     xpp::render::extension
+#endif
+#if ENABLE_SYNC_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT || ENABLE_RENDER_EXT)
+    ,
+#endif
+    xpp::sync::extension
+#endif
+#if ENABLE_COMPOSITE_EXT
+#if (ENABLE_RANDR_EXT || ENABLE_DAMAGE_EXT || ENABLE_RENDER_EXT || ENABLE_COMPOSITE_EXT)
+    ,
+#endif
+    xpp::composite::extension
 #endif
     >;
 

src/CMakeLists.txt

@@ -62,6 +62,12 @@ endif()
 if(ENABLE_DAMAGE_EXT)
   set(XCB_PROTOS "${XCB_PROTOS}" damage)
 endif()
+if(ENABLE_SYNC_EXT)
+  set(XCB_PROTOS "${XCB_PROTOS}" sync)
+endif()
+if(ENABLE_COMPOSITE_EXT)
+  set(XCB_PROTOS "${XCB_PROTOS}" composite)
+endif()
 add_subdirectory(${PROJECT_SOURCE_DIR}/lib/xpp ${PROJECT_BINARY_DIR}/lib/xpp)
 set(APP_LIBRARIES ${APP_LIBRARIES} ${XPP_LIBRARIES})
 set(APP_INCLUDE_DIRS ${APP_INCLUDE_DIRS} ${XPP_INCLUDE_DIRS})

src/x11/connection.cpp

@@ -53,22 +53,33 @@ void connection::query_extensions() {
     return;
   }
 
-#ifdef ENABLE_DAMAGE_EXT
+#if ENABLE_DAMAGE_EXT
   damage().query_version(XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MINOR_VERSION);
   if (!extension<xpp::damage::extension>()->present)
     throw application_error("Missing X extension: Damage");
 #endif
-#ifdef ENABLE_RENDER_EXT
+#if ENABLE_RENDER_EXT
   render().query_version(XCB_RENDER_MAJOR_VERSION, XCB_RENDER_MINOR_VERSION);
   if (!extension<xpp::render::extension>()->present)
     throw application_error("Missing X extension: Render");
 #endif
-#ifdef ENABLE_RANDR_EXT
+#if ENABLE_RANDR_EXT
   randr().query_version(XCB_RANDR_MAJOR_VERSION, XCB_RANDR_MINOR_VERSION);
   if (!extension<xpp::randr::extension>()->present) {
     throw application_error("Missing X extension: RandR");
   }
 #endif
+#if ENABLE_SYNC_EXT
+  if (!extension<xpp::sync::extension>()->present) {
+    throw application_error("Missing X extension: Sync");
+  }
+#endif
+#if ENABLE_COMPOSITE_EXT
+  composite().query_version(XCB_COMPOSITE_MAJOR_VERSION, XCB_COMPOSITE_MINOR_VERSION);
+  if (!extension<xpp::composite::extension>()->present) {
+    throw application_error("Missing X extension: RandR");
+  }
+#endif
 
   s_extensions_loaded = true;
 }

src/x11/draw.cpp

@@ -11,15 +11,15 @@ namespace draw_util {
   /**
    * Fill region of drawable with color defined by gcontext
    */
-  void fill(connection& conn, xcb_drawable_t d, xcb_gcontext_t g, const xcb_rectangle_t rect) {
+  void fill(xcb_connection_t* c, xcb_drawable_t d, xcb_gcontext_t g, const xcb_rectangle_t rect) {
-    conn.poly_fill_rectangle(d, g, 1, &rect);
+    xcb_poly_fill_rectangle(c, d, g, 1, &rect);
   }
 
   /**
    * Fill region of drawable with color defined by gcontext
    */
-  void fill(connection& conn, xcb_drawable_t d, xcb_gcontext_t g, int16_t x, int16_t y, uint16_t w, uint16_t h) {
+  void fill(xcb_connection_t* c, xcb_drawable_t d, xcb_gcontext_t g, int16_t x, int16_t y, uint16_t w, uint16_t h) {
-    fill(conn, d, g, {x, y, w, h});
+    fill(c, d, g, {x, y, w, h});
   }
 
   /**

src/x11/tray.cpp

@@ -22,6 +22,21 @@
 #include "x11/xembed.hpp"
 #include "x11/xutils.hpp"
 
+// ====================================================================================================
+//
+// TODO: 32-bit visual
+//
+// _NET_SYSTEM_TRAY_VISUAL visual_id VISUALID/32
+//
+// The property should be set by the tray manager to indicate the preferred visual for icon windows.
+//
+// To avoid ambiguity about the colormap to use this visual must either be the default visual for
+// the screen or it must be a TrueColor visual. If this property is set to a visual with an alpha
+// channel, the tray manager must use the Composite extension to composite the icon against the
+// background using PictOpOver.
+//
+// ====================================================================================================
+
 POLYBAR_NS
 
 // implementation : tray_client {{{