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gtk2/README.win32.md
Chun-wei Fan e567d4a33a README.win32: Convert to MarkDown 
Make it easier on the eye, and put together portions that are repetitive.
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Notes on running GTK on Windows in general
===
The Win32 backend in GTK+ is not as stable or correct as the X11 one.
For prebuilt runtime and developer packages see
http://ftp.gnome.org/pub/gnome/binaries/win32/
Notes on using OpenGL (GtkGLArea/GdkGLArea) on Win32
===
Note that on Windows, if one is running Nahimic 3 on a system with
nVidia graphics, one needs to stop the "Nahimic service" or insert
the GTK application into the Nahimic blacklist, as noted in
https://www.nvidia.com/en-us/geforce/forums/game-ready-drivers/13/297952/nahimic-and-nvidia-drivers-conflict/2334568/
if using programs that utilise GtkGLArea and/or GdkGLArea, or use
GDK_GL=gles if you know that GLES support is enabled for the build.
This is a known issue, as the above link indicates, and affects quite
a number of applications--sadly, since this issue lies within the
nVidia graphics driver and/or the Nahimic 3 code, we are not able
to rememdy this on the GTK side; the best bet before trying the above
workarounds is to try to update your graphics drivers and Nahimic
installation.
Building GTK+ on Win32
===
First you obviously need developer packages for the compile-time
dependencies: GDK-Pixbuf, Pango, atk, glib, gettext-runtime, libiconv at least.
See http://ftp.gnome.org/pub/gnome/binaries/win32/dependencies .
For people compiling GTK+ with Visual C++, it is recommended that
the same compiler is used for at least GDK-Pixbuf, Pango, atk and glib
so that crashes and errors caused by different CRTs can be avoided.
Currently building with Visual Studio 2008 or later is supported,
either via Visual Studio project files or via the Meson build system,
as described in the below sections.
For Visual Studio 2008 and 2010, a special setup making use of the Windows
8.0 SDK is required, see at the bottom of this document for guidance.
Interchanging between Visual Studio 2015, 2017, 2019 and 2022 builds
should be fine as they use the same CRT (UCRT) DLLs.
After installing the dependencies, there are two ways to build GTK+
for win32.
GNU tools, ./configure && make install (info here may be out of date,
consider using Meson instead)
---
This requires you have mingw and MSYS.
Use the configure script, and the resulting Makefiles (which use
libtool and gcc to do the compilation). I use this myself, but it can
be hard to setup correctly.
The full script I run to build GTK+ 2.16 unpacked from a source
distribution is as below. This is from bulding GTK+ 2.16.5. I don't
use any script like this to build the development branch, as I don't
distribute any binaries from development branches.
```
# This is a shell script that calls functions and scripts from
# tml@iki.fi's personal work env<6E>ronment. It is not expected to be
# usable unmodified by others, and is included only for reference.
MOD=gtk+
VER=2.16.5
REV=1
ARCH=win32
THIS=${MOD}_${VER}-${REV}_${ARCH}
RUNZIP=${MOD}_${VER}-${REV}_${ARCH}.zip
DEVZIP=${MOD}-dev_${VER}-${REV}_${ARCH}.zip
HEX=`echo $THIS | md5sum | cut -d' ' -f1`
TARGET=c:/devel/target/$HEX
usedev
usemsvs6
(
set -x
DEPS=`latest --arch=${ARCH} glib atk cairo pango libpng zlib libtiff jpeg`
PROXY_LIBINTL=`latest --arch=${ARCH} proxy-libintl`
PKG_CONFIG_PATH=
for D in $DEPS; do
PATH=/devel/dist/${ARCH}/$D/bin:$PATH
[ -d /devel/dist/${ARCH}/$D/lib/pkgconfig ] && PKG_CONFIG_PATH=/devel/dist/${ARCH}/$D/lib/pkgconfig:$PKG_CONFIG_PATH
done
LIBPNG=`latest --arch=${ARCH} libpng`
ZLIB=`latest --arch=${ARCH} zlib`
LIBTIFF=`latest --arch=${ARCH} libtiff`
JPEG=`latest --arch=${ARCH} jpeg`
patch -p0 <<'EOF'
EOF
lt_cv_deplibs_check_method='pass_all' \
CC='gcc -mtune=pentium3 -mthreads' \
CPPFLAGS="-I/devel/dist/${ARCH}/${LIBPNG}/include \
-I/devel/dist/${ARCH}/${ZLIB}/include \
-I/devel/dist/${ARCH}/${LIBTIFF}/include \
-I/devel/dist/${ARCH}/${JPEG}/include \
-I/devel/dist/${ARCH}/${PROXY_LIBINTL}/include" \
LDFLAGS="-L/devel/dist/${ARCH}/${LIBPNG}/lib \
-L/devel/dist/${ARCH}/${ZLIB}/lib \
-L/devel/dist/${ARCH}/${LIBTIFF}/lib \
-L/devel/dist/${ARCH}/${JPEG}/lib \
-L/devel/dist/${ARCH}/${PROXY_LIBINTL}/lib -Wl,--exclude-libs=libintl.a \
-Wl,--enable-auto-image-base" \
LIBS=-lintl \
CFLAGS=-O2 \
./configure \
--enable-win32-backend \
--disable-gdiplus \
--with-included-immodules \
--without-libjasper \
--enable-debug=yes \
--enable-explicit-deps=no \
--disable-gtk-doc \
--disable-static \
--prefix=$TARGET &&
libtoolcacheize &&
rm gtk/gtk.def &&
(PATH="$PWD/gdk-pixbuf/.libs:/devel/target/$HEX/bin:$PATH" make -j3 install || (rm .libtool-cache* && PATH="/devel/target/$HEX/bin:$PATH" make -j3 install)) &&
PATH="/devel/target/$HEX/bin:$PATH" gdk-pixbuf-query-loaders >/devel/target/$HEX/etc/gtk-2.0/gdk-pixbuf.loaders &&
grep -v -E 'Automatically generated|Created by|LoaderDir =' <$TARGET/etc/gtk-2.0/gdk-pixbuf.loaders >$TARGET/etc/gtk-2.0/gdk-pixbuf.loaders.temp &&
mv $TARGET/etc/gtk-2.0/gdk-pixbuf.loaders.temp $TARGET/etc/gtk-2.0/gdk-pixbuf.loaders &&
grep -v -E 'Automatically generated|Created by|ModulesPath =' <$TARGET/etc/gtk-2.0/gtk.immodules >$TARGET/etc/gtk-2.0/gtk.immodules.temp &&
mv $TARGET/etc/gtk-2.0/gtk.immodules.temp $TARGET/etc/gtk-2.0/gtk.immodules &&
./gtk-zip.sh &&
mv /tmp/${MOD}-${VER}.zip /tmp/$RUNZIP &&
mv /tmp/${MOD}-dev-${VER}.zip /tmp/$DEVZIP
) 2>&1 | tee /devel/src/tml/packaging/$THIS.log
(cd /devel && zip /tmp/$DEVZIP src/tml/packaging/$THIS.{sh,log}) &&
manifestify /tmp/$RUNZIP /tmp/$DEVZIP
```
You should not just copy the above blindly. There are some things in
the script that are very specific to *my* build setup on *my* current
machine. For instance the "latest" command, the "usedev" and
"usemsvs6" shell functions, the `/devel/dist` folder. The above script
is really just meant for reference, to give an idea. You really need
to understand what things like `PKG_CONFIG_PATH` are and set them up
properly after installing the dependencies before building GTK+.
As you see above, after running configure, one can just say "make
install", like on Unix. A post-build fix is needed, running
gdk-pixbuf-query-loaders once more to get a correct `gdk-pixbuf.loaders`
file.
For a 64-bit build you need to remove the `gtk/gtk.def` file and let it
be regenerated by the makefilery. This is because the 64-bit GTK dll
has a slightly different list of exported function names. This is on
purpose and not a bug. The API is the same at the source level, and
the same #defines of some function names to actually have a _utf8
suffix is used (just to keep the header simpler). But the
corresponding non-suffixed function to maintain ABI stability are not
needed in the 64-bit case (because there are no older EXEs around that
would require such for ABI stability).
Microsoft's tools
---
There are VS 2008~2022 solution and project files to build GTK+, which
are maintained by Chun-wei Fan. They should build GTK+ out of the box,
provided that the afore-mentioned dependencies are installed. They will
build GDK with the Win32 backend, GTK+ itself (with GAIL/a11y built in),
the GAIL-Util library and the gtk3-demo program. Please also refer to the
README_FEATURES_MSVC.md file that reside in win32 on how to enable
additional features that are not enabled by default, such as EGL support
via libANGLE, which emulate the GL/EGL calls using Direct3D 9/11.
Please refer to the following GNOME Live! page for a more detailed ouline
on the process of building the GTK+ stack and its dependencies with Visual
C++:
https://wiki.gnome.org/Projects/GTK+/Win32/MSVCCompilationOfGTKStack
Alternative 1 also generates Microsoft import libraries (.lib), if you
have lib.exe available. It might also work for cross-compilation from
Unix.
I (Tor) use method 1 myself. Hans Breuer has been taking care of the MSVC
makefiles. At times, we disagree a bit about various issues, and for
instance the makefile.msc files might not produce identically named
DLLs and import libraries as the "autoconfiscated" makefiles and
libtool do. If this bothers you, you will have to fix the makefiles.
If desiring to build binaries for ARM64 (`aarch64`), one needs to use the
Visual Studio 2017 or 2019 or 2022 solution files, or use Meson with a
cross-compilation file, with a Windows 10 SDK that supports ARM64
builds. At this point, building the introspection files is not supported
for ARM64 builds, and you will need a Python 3.x interpreter and
glib-compile-resources binaries that run on the build machine.
For Visual Studio 2017 ARM64 builds, do also check the
`Directory.Build.props` file in `$(srcroot)/win32/vs15`
indicates a Windows 10 SDK version that supports ARM64 builds
exists on the build machine.
For building ARM64 binaries with the Visual Studio projects, prior to the
build, you may need to update `gtk3-gen-srcs.props` to pass in the variables:
* GLIB_MKENUMS,
* GLIB_GENMARSHAL
* GDBUS_CODEGEN
* GLIB_COMPILE_RESOURCES
in the nmake command line indicated by `<GenerateRequiredSourcesBase>` so
that they point to the respective tools and scripts that will run on the
build machine. You may also need to update `gtk3-version-paths.props` to
update `<PythonDir>` to the installation of the Python 3.x interpreter
that will run on the build machine. To carry out the actual build using
the solution files, use the "Configuration Manager" to add the
ARM64 build configs by copying the settings from the x64 configs, and then
build the solution.
The build instructions for such builds otherwise follow the standard Win32
(x86) and x64 builds, but you need to ensure that you have ARM64 builds of
the various dependencies.
It may still be possible to carry out the build and build the
introspection files with Python 2.7.x using older versions of GLib and
GObject-Introspection, but please note that this is not recommended
and one is on his/her own by doing so.
It is now supported to build with the Visual Studio projects directly
from a GIT checkout. Run in a Visual Studio command prompt, in
$(srcroot)/win32:
`nmake /f bootstrap-msvc.mak [PYTHON=...] [PERL=...] [FONT_FEATURES_DEMO=1] [FONT_FEATURES_USE_PANGOFT2=1] [USE_EGL=1]`
where `PYTHON` and `PERL` are the respective paths to the Python and PERL
interpreters, if they are not in your `%PATH%`-they are both required to
generate the full sets of project files, as well as the auxiliary build
files and headers that is not available in a GIT checkout and must be
generated prior to opening the project files.
For `FONT_FEATURES_DEMO`, `FONT_FEATURES_USE_PANGOFT2` and `USE_EGL`,
please refer to `win32\README_FEATURES_MSVC.md` for more details, to
enable features that is optional and not enabled by default (i.e. in the
release tarballs).
It is also possible to regenerate some or all of the visual studio
projects with the following, if necessary:
`nmake /f generate-msvc.mak [PYTHON=...] [FONT_FEATURES_DEMO=1] [FONT_FEATURES_USE_PANGOFT2=1] [USE_EGL=1] <target>`
Where target can be (they will update all related VS2008~2022 projects):
* `regenerate-demos-h-win32`: Regenerate the `gtk3-demo` projects along
with `demos.h.win32`, useful to enable or disable the Font Features
demo.
* `regenerate-gdk-vsproj`: Regenerate all the GDK projects with
`broadwayd`, useful to enable or disable EGL on Windows.
* `regenerate-gtk-vsproj`: Regenerate the `gtk-3` and `gailutil-3` library
projects.
* `regenerate-all-msvc-projs`: Re-generate all project files, and re-copy
all the Visual Studio 2010 project files for VS 2012~2022.
Using Meson (for Visual Studio and MinGW builds)
---
Meson can now be used to build GTK+-3.x with either MinGW or Visual Studio.
You will need the following items in addition to all the dependencies
listed above:
* Python 3.5 or later
* Meson build system, 0.48.0 or later
* Ninja (if not using the Visual Studio project generator for
Visual Studio 2010 or later)
* CMake (optional, used for dependency searching)
* pkg-config (optional, or some compatible tool, highly recommended)
For all Windows builds, note that unless `-Dbuiltin_immodules=no` is
specified, the input modules (immodules) are built directly into the GTK
DLL.
For building with Meson using Visual Studio, do the following:
* Create an empty build directory somewhere that is on the same drive
as the source tree, and launch the Visual Studio command prompt that
matches the build configuration (Visual Studio version and architecture),
and run the following:
* Ensure that both the installation directory of Python 3.5+ and its script
directory is in your `%PATH%`, as well as the Ninja, CMake and pkg-config
executables (if used). If a pkg-config compatible drop-in replacement
tool is being used, ensure that `PKG_CONFIG` is set to point to the
executable of that tool as well.
* For non-GNOME dependencies (such as Cairo and Harfbuzz), where pkg-config
files or CMake files could not be properly located, set `%INCLUDE%` and
`%LIB%` to ensure that their header files and .lib files can be found
respectively. The DLLs of those dependencies should also be in the
`%PATH%` during the build as well, especially if introspection files ar
to be built.
* For GNOME dependencies, the pkg-config files for those dependencies
should be searchable by `pkg-config` (or a compatible tool). Verify
this by running `$(PKG_CONFIG) --modversion <dependency>`.
* Run the following:
`meson <path_to_directory_of_this_file> --buildtype=... --prefix=...,
where `buildtype` can be:
* release
* debugoptimized
* debug
* plain.
Please refer to the Meson documentation for more details. You may also
wish to pass in `-Dbroadway_backend=true` if building the Broadway GDK
backend is desired, and/or pass in `-Dbuiltin_immodules=no` to build the
immodules as standalone DLLs that can be loaded by GTK dynamically. For
Visual Studio 2010 or later builds, you may pass in --backend=vs to
generate Visual Studio project files to be used to carry out the builds.
If you are building with Visual Studio 2008, note the following items as
well:
* For x64 builds, the compiler may hang when building the certain
files, due to optimization issues in the compiler. If this happens,
use the Windows Task Manager and terminate all `cl.exe` processes,
and the build will fail with the source files that did not finish
compiling due to the hang. Look for them in build.ninja in the build
directory, and change their compiler
flag `/O2` to `/O1`, and the compilation and linking should proceed
normally.
* At this time of writing, the following files are known to cause this
hang:
* gtk\gtkfilechoosernativewin32.c
* gtk\gtkfilesystemmodel.c
* gtk\gtktextsegment.c
* gtk\gtktextbtree.c
* gtk\gtkrbtree.c
* testsuite\gtk\treemodel.c
* testsuite\gtk\textbuffer.c
* testsuite\gtk\rbtree.c
* testsuite\gtk\icontheme.c
* Upon running install (via "ninja install"), it is likely that
`gtk-query-immodules-3.0.exe` will fail to run as it cannot find
`msvcr90.dll` or `msvcr90D.dll`. You can ignore this if you did not
specify `-Dbuiltin_immodules=no` when configuring via Meson.
If `-Dbuiltin_immodules=no` is specified, you need to run the
following after embedding the manifests as outlined in the next
point:
`$(gtk_install_prefix)\bin\gtk-query-immodules-3.0.exe > $(gtk_install_prefix)\lib\gtk-3.0\3.0.0\immodules.cache`
* You will need to run the following upon completing install, from the
build directory in the Visual Studio 2008/SDK 6.0 command prompt
(third line is not needed unless `-Dbuiltin_immodules=no` is
specified) so that the built binaries can run:
```
for /r %f in (*.dll.manifest) do if exist $(gtk_install_prefix)\bin\%~nf mt /manifest %f /outputresource:$(gtk_install_prefix)\bin\%~nf;2
for /r %f in (*.exe.manifest) do if exist $(gtk_install_prefix)\bin\%~nf mt /manifest %f /outputresource:$(gtk_install_prefix)\bin\%~nf;1
for /r %f in (*.dll.manifest) do if exist $(gtk_install_prefix)\lib\gtk-3.0\3.0.0\immodules\%~nf mt /manifest %f /outputresource:$(gtk_install_prefix)\lib\gtk-3.0\3.0.0\immodules\%~nf;2
```
* The more modern visual style for the print dialog is not applied for
Visual Studio 2008 builds. Any solutions to this is really
appreciated.
Support for all pre-2012 Visual Studio builds
---
This release of GTK+ requires at least the Windows 8.0 or later SDK in
order to be built successfully using Visual Studio, which means that
building with Visual Studio 2008 or 2010 is possible only with a special
setup and must be done in the command line with Ninja, if using Meson.
Please see
https://devblogs.microsoft.com/cppblog/using-the-windows-software-development-kit-sdk-for-windows-8-consumer-preview-with-visual-studio-2010/
for references; basically, assuming that your Windows 8.0 SDK is installed
in `C:\Program Files (x86)\Windows Kits\8.0` (`$(WIN8SDKDIR)` in short),
you need to ensure the following before invoking Meson to configure the build. Your project files or Visual Studio IDE must also be similarly
configured (using the Windows 8.1 SDK is also possible for Visual Studio
2008~2012, replacing `$(WIN8SDKDIR)` with `$(WIN81SDKDIR)`, which is in
`C:\Program Files (x86)\Windows Kits\8.1` unless otherwise indicated):
* Your `%INCLUDE%` (i.e. "Additional Include Directories" in the IDE)
must not include the Windows 7.0/7.1 SDK include directories,
and `$(WIN8SDKDIR)\include\um`, `$(WIN8SDKDIR)\include\um\share` and
`$(WIN8SDKDIR)\include\winrt` (in this order) must be before your stock
Visual Studio 2008/2010 header directories. If you have the DirectX
SDK (2010 June or earlier) installed, you should remove its include
directory from your `%INCLUDE%` as well.
* You must replace the Windows 7.0/7.1 SDK library directory in `%LIB%`
(i.e. "Additional Library Paths" in the IDE) with the Windows 8.0/8.1
SDK library directory, i.e. `$(WIN8SDKDIR)\lib\win8\um\[x86|x64]` or
`$(WIN81SDKDIR)\lib\winv6.3\um\[x86|x64]`.
If you have the DirectX SDK installed, you should remove its library
directory from your `%LIB%` as well.
* You must replace the Windows 7.0/7.1 SDK tools directory from your
`%PATH%` ("Executables Directories" in the IDE) with the Windows 8.0
SDK tools directory, i.e. `$(WIN8SDKDIR)\bin\[x86|x64]`. If you have
the DirectX SDK installed, you should remove its utility directory from
your `%PATH%` as well.
* The Windows 8.0 SDK headers may contain an `roapi.h` that cannot be
used under plain C, so to remedy that, change the following lines
(around lines 55-57) (this is not necessary for the Windows 8.1 or
later SDKs):
```
// RegisterActivationFactory/RevokeActivationFactory registration cookie
typedef struct {} *RO_REGISTRATION_COOKIE;
// RegisterActivationFactory/DllGetActivationFactory callback
```
to
```
// RegisterActivationFactory/RevokeActivationFactory registration cookie
#ifdef __cplusplus
typedef struct {} *RO_REGISTRATION_COOKIE;
#else
typedef struct _RO_REGISTRATION_COOKIE *RO_REGISTRATION_COOKIE; /* make this header includable in C files */
#endif
// RegisterActivationFactory/DllGetActivationFactory callback
```
This follows what is done in the Windows 8.1 SDK, which contains an
`roapi.h` that is usable under plain C. Please note that you might need
to copy that file into a location that is in your `%INCLUDE%` which
precedes the include path for the Windows 8.0 SDK headers, if you do not
have administrative privileges.
Visual Studio 2008 hacks
---
(Please see the section on Meson builds which touch on this topic)
Multi-threaded use of GTK+ on Win32
---
Multi-threaded GTK+ programs might work on Windows in special simple
cases, but not in general. Sorry. If you have all GTK+ and GDK calls
in the same thread, it might work. Otherwise, probably not at
all. Possible ways to fix this are being investigated.
* Tor Lillqvist <tml@iki.fi>, <tml@novell.com>
* Updated by Fan, Chun-wei <fanc999@yahoo.com.tw>
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