Wayland: make OPTION_USE_SYSTEM_LIBDECOR ON by default
This commit makes the default FLTK build setting use libdecor as packaged in Linux when the build system contains packages libdecor-0-dev and libdecor-0-plugin-1-gtk in version ≥ 0.2.0. Otherwise, FLTK uses the bundled version of libdecor. This includes situations where package libdecor-0-dev is present in an earlier version.
This commit is contained in:
ManoloFLTK
parent
96730f80cb
commit
f72748bb45
@ -258,7 +258,7 @@ if (UNIX)
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endif (X11_FOUND)
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unset (OPTION_USE_CAIRO CACHE)
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set (OPTION_USE_CAIRO TRUE CACHE BOOL "all drawing to X11 windows uses Cairo")
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option (OPTION_USE_SYSTEM_LIBDECOR "use libdecor from the system" OFF)
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option (OPTION_USE_SYSTEM_LIBDECOR "use libdecor from the system" ON)
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unset (OPTION_USE_XRENDER CACHE)
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unset (OPTION_USE_XINERAMA CACHE)
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unset (OPTION_USE_XFT CACHE)
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@ -293,13 +293,25 @@ if (UNIX)
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unset (OPTION_USE_PANGO CACHE)
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set (OPTION_USE_PANGO TRUE CACHE BOOL "use lib Pango")
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if (OPTION_USE_SYSTEM_LIBDECOR)
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pkg_check_modules(SYSTEM_LIBDECOR libdecor-0)
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pkg_check_modules(SYSTEM_LIBDECOR libdecor-0>=0.2.0)
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if (NOT SYSTEM_LIBDECOR_FOUND)
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set (OPTION_USE_SYSTEM_LIBDECOR OFF)
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else ()
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pkg_get_variable(LIBDECOR_LIBDIR libdecor-0 libdir)
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set (LIBDECOR_PLUGIN_DIR ${LIBDECOR_LIBDIR}/libdecor/plugins-1)
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if (EXISTS ${LIBDECOR_PLUGIN_DIR} AND IS_DIRECTORY ${LIBDECOR_PLUGIN_DIR})
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set (LIBDECOR_PLUGIN_DIR "\\\"${LIBDECOR_PLUGIN_DIR}\\\" " )
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else ()
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set (OPTION_USE_SYSTEM_LIBDECOR OFF)
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endif ()
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endif (NOT SYSTEM_LIBDECOR_FOUND)
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endif (OPTION_USE_SYSTEM_LIBDECOR)
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option (OPTION_ALLOW_GTK_PLUGIN "Allow to use libdecor's GTK plugin" ON)
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if (OPTION_USE_SYSTEM_LIBDECOR)
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set (OPTION_ALLOW_GTK_PLUGIN ON)
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else ()
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option (OPTION_ALLOW_GTK_PLUGIN "Allow to use libdecor's GTK plugin" ON)
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endif (OPTION_USE_SYSTEM_LIBDECOR)
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if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "FreeBSD")
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CHECK_INCLUDE_FILE (linux/input.h LINUX_INPUT_H)
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@ -856,7 +868,7 @@ if ((X11_Xft_FOUND OR NOT USE_PANGOXFT) AND OPTION_USE_PANGO)
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endif ((X11_Xft_FOUND OR NOT USE_PANGOXFT) AND OPTION_USE_PANGO)
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if (OPTION_USE_WAYLAND AND NOT OPTION_USE_SYSTEM_LIBDECOR)
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if (OPTION_USE_WAYLAND)
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# Note: Disable OPTION_ALLOW_GTK_PLUGIN to get cairo titlebars rather than GTK
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if (OPTION_ALLOW_GTK_PLUGIN)
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@ -869,7 +881,7 @@ if (OPTION_USE_WAYLAND AND NOT OPTION_USE_SYSTEM_LIBDECOR)
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endif (GTK_FOUND)
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endif (OPTION_ALLOW_GTK_PLUGIN)
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endif (OPTION_USE_WAYLAND AND NOT OPTION_USE_SYSTEM_LIBDECOR)
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endif (OPTION_USE_WAYLAND)
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if (OPTION_USE_XFT)
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set (USE_XFT X11_Xft_FOUND)
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@ -281,6 +281,11 @@ if (UNIX AND NOT (APPLE AND NOT OPTION_APPLE_X11))
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if (OPTION_USE_WAYLAND)
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message (STATUS "Use Wayland : Yes (if available at run-time)")
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if (OPTION_USE_SYSTEM_LIBDECOR)
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message (STATUS "Use system libdecor : Yes")
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else ()
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message (STATUS "Use system libdecor : No")
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endif ()
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else ()
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message (STATUS "Use Wayland : No (therefore, X11 is used)")
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endif ()
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@ -232,10 +232,12 @@ OPTION_USE_STD - default OFF
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or major (maybe 4.0.0) release which will default to use std::string
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and more modern C++ features.
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OPTION_USE_SYSTEM_LIBDECOR - default OFF
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This option makes FLTK use package libdecor-0 to draw window titlebars
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under Wayland. It's mainly meant for future use, when that package
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and its plugins will be part of major Linux distributions.
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OPTION_USE_SYSTEM_LIBDECOR - default ON
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This option makes FLTK use package libdecor-0-dev to draw window titlebars
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under Wayland. When OFF or when this package has a version < 0.2.0, FLTK
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uses its bundled copy of libdecor to draw window titlebars.
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As of november 2023, version 0.2.0 of package libdecor-0-dev is available
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only in testing distributions.
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Documentation options: these options are only available if `doxygen' is
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installed and found by CMake. PDF related options require also `latex'.
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@ -75,10 +75,10 @@ be used to produce a Wayland-only library which can be useful, e.g., when
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cross-compiling for systems that lack X11 headers and libraries.
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The FLTK Wayland platform uses a library called libdecor which handles window decorations
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(i.e., titlebars, shade). Libdecor is bundled in the FLTK source code and FLTK uses by default
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this form of libdecor. CMake OPTION_USE_SYSTEM_LIBDECOR can be turned on to have FLTK
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use the system's version of libdecor which is available on recent Linux distributions (e.g.,
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Debian Bookworm or more recent in packages libdecor-0-0 and libdecor-0-plugin-1-cairo).
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(i.e., titlebars, shade). On very recent Linux distributions (e.g., Debian trixie)
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libdecor is available as Linux packages (libdecor-0-dev and libdecor-0-plugin-1-gtk).
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FLTK requires version 0.2.0 of these packages or more.
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In other situations, FLTK uses a copy of libdecor bundled in the FLTK source code.
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FLTK equipped with libdecor supports both the client-side decoration mode (CSD) and the
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server-side decoration mode (SSD) as determined by the active Wayland compositor.
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Mutter (gnome's Wayland compositor) and Weston use CSD mode, KWin and Sway use SSD mode.
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@ -145,6 +145,9 @@ in section 2.1 of file README.Unix.txt :
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These packages allow to run FLTK apps under the Gnome-Wayland desktop:
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- gnome-core
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- libgtk-3-dev <== highly recommended, gives windows a Gnome-style titlebar
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- libdecor-0-dev and libdecor-0-plugin-1-gtk in versions ≥ 0.2.0
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<== Recommended if available for the Linux version in use,
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<== FLTK uses a bundled copy of these packages otherwise.
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These packages allow to run FLTK apps under the KDE/Plasma-Wayland desktop:
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- kde-plasma-desktop
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@ -169,6 +172,7 @@ package groups listed in section 2.2 of file README.Unix.txt :
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- mesa-libGLU-devel
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- dbus-devel <== recommended to query current cursor theme
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- gtk3-devel <== highly recommended, gives windows a GTK-style titlebar
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- libdecor-0.2.0 <== recommended, present in Fedora Rawhide, not in Fedora 39
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- glew-devel <== necessary to use OpenGL version 3 or above
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- cmake <== if you plan to build with CMake
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- cmake-gui <== if you plan to use the GUI of CMake
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12
configure.ac
12
configure.ac
@ -1055,12 +1055,18 @@ AS_CASE([$host_os_gui], [cygwin* | mingw*], [
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BUILD="WAYLANDX11"
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graphics="Wayland or X11 with cairo"
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])
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# CFLAGS="$CFLAGS -DUSE_SYSTEM_LIBDECOR=0"
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# CXXFLAGS="$CXXFLAGS -DUSE_SYSTEM_LIBDECOR=0"
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AS_IF([$PKGCONFIG --exists 'libdecor-0 >= 0.2.0'],
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[
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plugin_dir="$($PKGCONFIG --variable=libdir libdecor-0)/libdecor/plugins-1"
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CFLAGS="$CFLAGS -DUSE_SYSTEM_LIBDECOR"
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CFLAGS="$CFLAGS -DLIBDECOR_PLUGIN_DIR=\\\"$plugin_dir\\\" "
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LIBS="$LIBS $($PKGCONFIG --libs libdecor-0)"
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],
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[CFLAGS="$CFLAGS -DUSE_SYSTEM_LIBDECOR=0 -DLIBDECOR_PLUGIN_DIR=\"\" "]
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)
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LIBS="$LIBS $($PKGCONFIG --libs wayland-cursor) $($PKGCONFIG --libs wayland-client) $($PKGCONFIG --libs xkbcommon) $($PKGCONFIG --libs pangocairo) "
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AS_IF([test x$enable_x11 != xno], [LIBS="$LIBS $($PKGCONFIG --libs x11)"] )
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LIBS="$LIBS -ldl"
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# CXXFLAGS="$CXXFLAGS -I../libdecor/src"
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DSOFLAGS="$LIBS $DSOFLAGS"
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enable_pango=yes
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LIBDECORDIR="libdecor/build"
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@ -26,7 +26,7 @@ always entirely filled with whatever resizable windows are mapped at any given
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time. Compositors follow either the
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client-side decoration (CSD) rule where client apps draw window titlebars, or the
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server-side decoration (SSD) rule where the compositor draws titlebars. FLTK supports both
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CSD and SSD compositors. It bundles a library called \c libdecor charged of determining whether
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CSD and SSD compositors. It uses a library called \c libdecor charged of determining whether
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a CSD or a SSD compositor is active, and of drawing titlebars in the first case.
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Wayland is divided in various protocols that a given compositor may or may not support,
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@ -92,7 +92,7 @@ Overall, and ignoring for now OpenGL usage, FLTK interacts with Wayland as follo
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- When opening the display: FLTK calls \c Fl::add_fd() in \c FL_READ mode to associate
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a callback function to the socket connecting the client and the compositor.
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- Client to compositor: FLTK calls C functions of the \c libwayland-client.so,
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\c libwayland-cursor.so and \c libxkbcommon.so shared libraries and of the bundled
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\c libwayland-cursor.so and \c libxkbcommon.so shared libraries and of the
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libdecor library. These send suitable messages to the compositor writing to the socket.
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The names of these functions begin with \c wl_, \c xkb_ or \c libdecor_.
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- Compositor to client: the callback function runs when there are data to read in the
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@ -1061,14 +1061,25 @@ and also to draw window titlebars when in CSD mode (see \ref bundled-libdecor).
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\c Libdecor is conceived to be present in a shared library linked to the Wayland
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client application which itself, and if the running Wayland compositor uses CSD mode,
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loads another shared library intended to draw titlebars in a way that best matches the
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Desktop. As of early 2023, two titlebar-drawing \c libdecor plugins are available:
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Desktop. As of late 2023, libdecor is at version 0.2.0 and contains two titlebar-drawing
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plugins:
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- \c libdecor-gtk intended for the Gnome desktop;
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- \c libdecor-cairo for other situations.
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Because \c libdecor is not yet in Linux packages, or only in a preliminary state, FLTK bundles the
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most recent source code of \c libdecor and its plugins. This code is included in libfltk.
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FLTK uses \c libdecor-gtk when software package \c libgtk-3-dev is present in the
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build system, and \c libdecor-cairo otherwise.
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Because \c libdecor is not yet in major Linux packages, or only at version 0.1.x,
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FLTK bundles the most recent source code of \c libdecor and its plugins. This code
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is included in libfltk. FLTK uses \c libdecor-gtk when software package \c libgtk-3-dev
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is present in the build system, and \c libdecor-cairo otherwise.
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As of late 2023, libdecor version 0.2.0 is available in very recent Linux distributions
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in packages \c libdecor-0-dev and \c libdecor-0-plugin-1-gtk. If they are installed on the
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build system, preprocessor variable \c USE_SYSTEM_LIBDECOR is 1,
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and both \c libdecor and its plugin are loaded at run-time from shared libraries.
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When these packages are not available or are at an earlier version, FLTK uses the bundled
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copy of \c libdecor.
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When CMake \c OPTION_USE_SYSTEM_LIBDECOR is OFF, FLTK uses the bundled \c libdecor copy
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even if shared libraries \c libdecor.so and \c libdecor-gtk.so are installed.
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This option is ON by default.
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\c Libdecor uses the Wayland protocol
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<a href=https://wayland.app/protocols/xdg-decoration-unstable-v1>
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@ -1079,12 +1090,6 @@ However, if environment variable \c LIBDECOR_FORCE_CSD is defined to value \c 1
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FLTK app runs, \c libdecor instructs an SSD-able compositor to refrain from decorating its
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windows and decorates windows itself.
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CMake \c OPTION_USE_SYSTEM_LIBDECOR has been defined to allow FLTK in the future, when \c libdecor and
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\c libdecor-gtk will be part of Linux packages, to use these packages rather than the \c libdecor
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code bundled in FLTK. When this option is ON, preprocessor variable \c USE_SYSTEM_LIBDECOR is 1,
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and both \c libdecor and its plugin are loaded at run-time from shared libraries. This option is OFF
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by default.
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Whatever the value of \c OPTION_USE_SYSTEM_LIBDECOR, FLTK and \c libdecor use environment variable
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\c LIBDECOR_PLUGIN_DIR as follows: if this variable is defined and points to the name of a directory,
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this directory is searched for a potential \c libdecor plugin in the form of a shared library;
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@ -27,7 +27,7 @@ FreeBSD_CFLAGS = -I/usr/local/include
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EXTRA_DECOR = ${${UNAME}_CFLAGS}
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CFLAGS_DECOR = -I. -I../.. -I../../src -I../src -I../src/plugins $(EXTRA_DECOR) -fPIC -D_GNU_SOURCE \
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-DUSE_SYSTEM_LIBDECOR=0 -DHAVE_MEMFD_CREATE -DHAVE_MKOSTEMP -DHAVE_POSIX_FALLOCATE
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-DHAVE_MEMFD_CREATE -DHAVE_MKOSTEMP -DHAVE_POSIX_FALLOCATE
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Linux_NOPIE = -no-pie
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FreeBSD_NOPIE =
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@ -39,10 +39,10 @@ depend:
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: echo "libdecor/build: make depend..."
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fl_libdecor.o : fl_libdecor.c ../src/libdecor.c ../../src/xdg-shell-protocol.c ../../src/xdg-decoration-protocol.c ../../src/text-input-protocol.c ../../src/gtk-shell-protocol.c
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$(CC) $(CFLAGS) $(CFLAGS_DECOR) -c fl_libdecor.c -DLIBDECOR_PLUGIN_API_VERSION=1 -DLIBDECOR_PLUGIN_DIR=\"\"
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$(CC) $(CFLAGS) $(CFLAGS_DECOR) -c fl_libdecor.c -DLIBDECOR_PLUGIN_API_VERSION=1
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fl_libdecor-plugins.o : fl_libdecor-plugins.c ../src/plugins/cairo/libdecor-cairo.c
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$(CC) $(CFLAGS) $(CFLAGS_DECOR) -c fl_libdecor-plugins.c -DLIBDECOR_PLUGIN_API_VERSION=1 -DLIBDECOR_PLUGIN_DIR=\"\"
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$(CC) $(CFLAGS) $(CFLAGS_DECOR) -c fl_libdecor-plugins.c -DLIBDECOR_PLUGIN_API_VERSION=1
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libdecor-cairo-blur.o : ../src/plugins/common/libdecor-cairo-blur.c
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$(CC) $(CFLAGS_DECOR) -c ../src/plugins/common/libdecor-cairo-blur.c
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@ -15,6 +15,7 @@
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//
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/* Improvements to libdecor.c without modifying libdecor.c itself */
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#if ! USE_SYSTEM_LIBDECOR
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#include "xdg-shell-client-protocol.h"
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#ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
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@ -126,3 +127,5 @@ LIBDECOR_EXPORT struct libdecor *libdecor_new(struct wl_display *wl_display, str
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wl_display_flush(wl_display);
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return context;
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}
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#endif //! USE_SYSTEM_LIBDECOR
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@ -521,10 +521,7 @@ if (OPTION_USE_WAYLAND)
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endif (DBUS_FOUND)
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if (OPTION_USE_SYSTEM_LIBDECOR)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_SYSTEM_LIBDECOR")
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get_filename_component(PATH_TO_SHARED_LIBS ${HAVE_LIB_PANGO} DIRECTORY)
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set (LIBDECOR_PLUGIN_DIR "\\\"${PATH_TO_SHARED_LIBS}/libdecor/plugins-1\\\" " )
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DLIBDECOR_PLUGIN_DIR=${LIBDECOR_PLUGIN_DIR} ")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_SYSTEM_LIBDECOR")
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if (GTK_FOUND)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_GTK")
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endif (GTK_FOUND)
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@ -690,18 +687,18 @@ if (UNIX AND OPTION_USE_WAYLAND)
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)
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list (APPEND STATIC_FILES "xdg-decoration-protocol.c")
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list (APPEND SHARED_FILES "xdg-decoration-protocol.c")
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if (GTK_FOUND AND OPTION_ALLOW_GTK_PLUGIN)
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add_custom_command(
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OUTPUT gtk-shell-protocol.c gtk-shell-client-protocol.h
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COMMAND wayland-scanner private-code ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml gtk-shell-protocol.c
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COMMAND wayland-scanner client-header ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml gtk-shell-client-protocol.h
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml
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VERBATIM
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)
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list (APPEND STATIC_FILES "gtk-shell-protocol.c")
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list (APPEND SHARED_FILES "gtk-shell-protocol.c")
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endif (GTK_FOUND AND OPTION_ALLOW_GTK_PLUGIN)
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endif (NOT OPTION_USE_SYSTEM_LIBDECOR)
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if (GTK_FOUND AND (OPTION_USE_SYSTEM_LIBDECOR OR OPTION_ALLOW_GTK_PLUGIN))
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add_custom_command(
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OUTPUT gtk-shell-protocol.c gtk-shell-client-protocol.h
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COMMAND wayland-scanner private-code ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml gtk-shell-protocol.c
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COMMAND wayland-scanner client-header ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml gtk-shell-client-protocol.h
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/../libdecor/build/gtk-shell.xml
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VERBATIM
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)
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list (APPEND STATIC_FILES "gtk-shell-protocol.c")
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list (APPEND SHARED_FILES "gtk-shell-protocol.c")
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endif (GTK_FOUND AND (OPTION_USE_SYSTEM_LIBDECOR OR OPTION_ALLOW_GTK_PLUGIN))
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add_custom_command(
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OUTPUT text-input-protocol.c text-input-client-protocol.h
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COMMAND wayland-scanner private-code ${PROTOCOLS}/unstable/text-input/text-input-unstable-v3.xml text-input-protocol.c
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@ -1792,25 +1792,6 @@ int Fl_Wayland_Window_Driver::set_cursor_4args(const Fl_RGB_Image *rgb, int hotx
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}
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#if defined(USE_SYSTEM_LIBDECOR) && USE_SYSTEM_LIBDECOR
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// This is only to fix a bug in libdecor where what libdecor_frame_set_min_content_size()
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// does is often destroyed by libdecor-cairo.
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static void delayed_minsize(Fl_Window *win) {
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struct wld_window *wl_win = fl_wl_xid(win);
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Fl_Window_Driver *driver = Fl_Window_Driver::driver(win);
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if (wl_win->kind == Fl_Wayland_Window_Driver::DECORATED) {
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float f = Fl::screen_scale(win->screen_num());
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libdecor_frame_set_min_content_size(wl_win->frame, driver->minw()*f, driver->minh()*f);
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}
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bool need_resize = false;
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int W = win->w(), H = win->h();
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if (W < driver->minw()) { W = driver->minw(); need_resize = true; }
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if (H < driver->minh()) { H = driver->minh(); need_resize = true; }
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if (need_resize) win->size(W, H);
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}
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#endif
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void Fl_Wayland_Window_Driver::resize(int X, int Y, int W, int H) {
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struct wld_window *fl_win = fl_wl_xid(pWindow);
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if (fl_win && fl_win->kind == DECORATED && !xdg_toplevel()) {
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@ -1890,11 +1871,6 @@ void Fl_Wayland_Window_Driver::resize(int X, int Y, int W, int H) {
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xdg_surface_set_window_geometry(fl_win->xdg_surface, 0, 0, W, H);
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//printf("xdg_surface_set_window_geometry: %dx%d\n",W, H);
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}
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#if defined(USE_SYSTEM_LIBDECOR) && USE_SYSTEM_LIBDECOR
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if (W < minw() || H < minh()) {
|
||||
Fl::add_timeout(0.01, (Fl_Timeout_Handler)delayed_minsize, pWindow);
|
||||
}
|
||||
#endif
|
||||
} else {
|
||||
if (!in_handle_configure && xdg_toplevel()) {
|
||||
// Wayland doesn't seem to provide a reliable way for the app to set the
|
||||
|
||||
Loading…
Reference in New Issue
Block a user