mirror of https://github.com/GNOME/gimp.git
75 lines
2.5 KiB
Plaintext
75 lines
2.5 KiB
Plaintext
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This patch enables support of the sixth valuator present in the xf86Wacom
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driver. The driver with support of six valuators are included in XFree86
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3.3.4 and newer.
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The purpose of this patch is to enable the airbrush wheel on the Wacom Intous
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airbrush device. The wheel is used in the upcoming new airbrush tool in Gimp
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to regulate the virtual altitude of your airbrush.
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The patch is tested with Gtk+-1.2.4 (not the CVS version) and should apply
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without problems. The patch is totally unsupported in both Gtk and GIMP.
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A good advice it to install a the patched version of Gtk+ and Gimp in a special
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directory because of the binary incompatible (See notes below).
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Here is how to make it work,
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cd gtk+-1.2.4
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pacth -p0 ../patch_xinput_airbrush
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./configure --prefix=/opt/gimp --with-xinput=xfree
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make
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make install
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cd ../gimp
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export LD_LIBRARY_PATH=/opt/gimp/lib:$LD_LIBRARY_PATH
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export PATH=/opt/gimp/bin:$PATH
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./configure --prefix=/opt/gimp --enable-gimpdir=.gimpairbrush
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make
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make install
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Now make a special gimp startup script that you install in a directory
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that is in your path.
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Here is an example
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#!/bin/sh
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PREFIX=/opt/gimp
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LD_LIBRARY_PATH=$PREFIX/lib:$LD_LIBRARY_PATH
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exec $PREFIX/bin/gimp "$@"
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OBSERVE that the patch makes Gtk+ binary and source incompatible, i.e you can't
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run your old compiled Gtk+ apps (which includes GNOME apps) with Gtk+ patched
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with this patch.
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This is because the gdk_input_window_get_pointer is changed and now has nine
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parameters instead of eight. The added parameter is gdouble *wheel see below,
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void gdk_input_window_get_pointer (GdkWindow *window,
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guint32 deviceid,
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gdouble *x,
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gdouble *y,
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gdouble *pressure,
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gdouble *xtilt,
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gdouble *ytilt,
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gdouble *wheel,
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GdkModifierType *mask);
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gtkfeatures.h has a new define to enable you to check for the presence of this
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patch in your program. You can e.g use it as below
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#ifdef GTK_HAVE_SIX_VALUATORS
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gdk_input_window_get_pointer (event->window, event->deviceid,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL);
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#else /* !GTK_HAVE_SIX_VALUATORS */
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gdk_input_window_get_pointer (event->window, event->deviceid,
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NULL, NULL, NULL, NULL, NULL, NULL);
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#endif /* GTK_HAVE_SIX_VALUATORS */
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Happy Gimping
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Olof S Kylander
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