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and add it to the palette factory as internal object. Work in progress
on the way to getting rid of the ugly code in the colormap editor.

and use them all over the place instead of directly accessing the struct.

Eventually we might want to be more strict, but I think it will be
fine to depend on UI headers in non-UI tests. Non-UI tests just means
we don't need to initalize the UI.

I forgot this...

Begin adding a new set of tests meant to test tools. The first test is
a regression test for "Bug 315255 - SIGSEGV, while doing a crop".

Make gimp_ui_get_ui_manager() a global test util and make
gimp_test_utils_create_image() return void, clients can reach the new
image and display from the Gimp instance.

Call gimp_log_init() in test init functions so we can use the
GIMP_DEBUG env var.

Register GimpToolAction so we can use gimp_enum_get_value_name() on
it.

Improve gimp_test_utils_set_env_to_subdir() hint by making it stand
out more from normal gdb output.

gimp_display_shell_transfrom_xy() is removed.

Remove a crack eventbox and a double crack alignment and suddenly the
widget behaves properly. I have no idea what "important" feature I
killed with that removal, but the whole palette editing code needs
some serious chopping soon.

The plug-in already makes a copy of the cinfo struct for asynchronous
save, but it seems that somewhere inside cinfo, a pointer points to
another region in this struct. So, everything is copied as-is, and
the pointer ends up pointing to somewhere in the save_image() stack
which is gone when that function returns.

get replaced by GDK region functions and use the cairo region
functions unconditionally all over the place.

This patch cancels the GSource for background_jpeg_save() and calls it
synchronously to free resources. Without this patch, multiple GSources
for background_jpeg_save() get setup and result in a crash.

We should initialize and restore GIMP also in gimp_init_for_testing(),
not only in gimp_init_for_gui_testing(), because also non-UI tests
needs e.g. plug-ins to be available.

Exit properly in test-core.c to avoid broken wire causing the warning:

  LibGimpBase-WARNING **: script-fu: gimp_wire_read(): error

so that they are visually selected also when the widget never got
focus.

Instead, handle the drawing offset generically by offsetting the
cairo_t in two places in the callers, and only pass the width and
height available for drawing.

It's useless with GTK+ 2.x and entirely breaks the widget with GTK+ 3.x

so it builds with GSEAL_ENABLE. Also keep around the adjustments as
GtkAdjustment not GtkObject to avoid casting all the time.