2000-02-19 Michael Natterer <mitch@gimp.org>
* libgimp/gimppixmap.c: gimp_pixmap_new(): set the widget's
requisition so it can be properly packed before it's realized.
* libgimp/gimpwidgets.[ch]: added a "text" parameter to
gimp_pixmap_button_new().
* app/undo_history.c: use gimp_pixmap_buttons.
* app/gradient.c
* app/nav_window.c
* app/palette.c
* libgimp/gimppatheditor.c
* plug-ins/Lighting/lighting_ui.c
* plug-ins/MapObject/mapobject_ui.c: changed calls to
gimp_pixmap_button_new().
* plug-ins/MapObject/mapobject_main.c: INIT_I18N() was missing in
query().
* plug-ins/pagecurl/pagecurl.c: use GimpVector2 functions instead
of reinventing the wheel.
* plug-ins/helpbrowser/helpbrowser.c: use gimp_pixmap_buttons.
* plug-ins/helpbrowser/back.xpm
* plug-ins/helpbrowser/forward.xpm: cropped.
2000-02-18 Michael Natterer <mitch@gimp.org>
* libgimp/Makefile.am
* libgimp/gimppixmap.[ch]: simple widget which creates a pixmap
from XPM data without the need to worry about it's parent's
"realized" state and other stuff.
* libgimp/gimpcolorbutton.c: removed a gtk-doc comment from an
internal function.
* libgimp/gimpwidgets.[ch]: new function gimp_pixmap_button_new().
* app/gimpui.h
* libgimp/gimpui.h: include gimppixmap.h.
* app/gradient.c
* app/nav_window.c
* app/palette.c
* libgimp/gimpfileselection.[ch]
* libgimp/gimppatheditor.c
* libgimp/gimpquerybox.c
* plug-ins/FractalExplorer/FractalExplorer.c: use GimpPixmaps.
* plug-ins/Lighting/*
* plug-ins/MapObject/*: some more cleanups: reduced # of includes,
made private functions static, use GimpPixmaps.
* plug-ins/libgck/Makefile.am
* plug-ins/libgck/NEWS
* plug-ins/libgck/README
* plug-ins/libgck/TODO
* plug-ins/libgck/docs/html/gck.html
* plug-ins/libgck/docs/html/gck_application_window.html
* plug-ins/libgck/docs/html/gck_dialog_window.html
* plug-ins/libgck/docs/html/gckmath.html
* plug-ins/libgck/docs/html/gckui.html
* plug-ins/libgck/docs/html/gckvector.html: removed because they
documented files which don't exist any more.
2000-02-18 Michael Natterer <misch@gimp.org>
* libgimp/gimpcolorbutton.[ch]: new function
gimp_color_button_double_new() which uses an array of gdouble
instead uf guchar to store the color.
* libgimp/gimpwidgets.h: added macros for easier access of the
scale_entries widgets.
* plug-ins/common/film.c: use the scale_entry widget accessors.
* plug-ins/libgck/gck/Makefile.am
* plug-ins/libgck/gck/gckcolor.h
* plug-ins/libgck/gck/gcktypes.h
* plug-ins/libgck/gck/gckui.[ch]: removed.
* plug-ins/libgck/gck/gck.h
* plug-ins/libgck/gck/gckcolor.c: left only the color functions in
libgck.
* plug-ins/Lighting/lighting_pixmaps.h
* plug-ins/MapObject/mapobject_pixmaps.h: removed (include the
pixmaps directly).
* po-plug-ins/POTFILES.in: added mapobject_ui.c.
* plug-ins/Lighting/lighting_image.c
* plug-ins/Lighting/lighting_main.[ch]
* plug-ins/Lighting/lighting_preview.c
* plug-ins/Lighting/lighting_ui.[ch]
* plug-ins/MapObject/mapobject_image.[ch]
* plug-ins/MapObject/mapobject_main.[ch]
* plug-ins/MapObject/mapobject_preview.c
* plug-ins/MapObject/mapobject_ui.[ch]: use gtk+ and libgimp
functions instead of gck ones, cleanups, I18N. More stuff to
come...
2000-02-14 Michael Natterer <mitch@gimp.org>
* app/preferences_dialog.c: purely cosmetic.
* libgimp/gimpdialog.c: purely fanatic.
* libgimp/gimpwidgets.c: attach label, scale and spinbutton to the
adjustment returned by gimp_scale_entry_new().
* plug-ins/common/film.c: set reasonable climb_rate's for the
advanced options's spinbuttons.
2000-02-13 Michael Natterer <mitch@gimp.org>
* po/POTFILES.in
* app/Makefile.am
* app/buildmenu.[ch]: removed.
* app/blend.c
* app/brush_select.c
* app/curves.c
* app/histogram_tool.c
* app/layers_dialog.c
* app/lc_dialog.c
* app/levels.c
* app/paint_options.h
* app/paintbrush.c
* app/tool_options.c: use the libgimp option menu
constructor. Removed paint_mode_menu_set_history().
* app/colormap_dialog.i.c
* app/colormap_dialog.p.h: use a popup menu as in the palette
dialog instead of a pulldown menu.
* app/channels_dialog.c: made color dnd to a channel widget work
again.
* libgimp/gimpwidgets.[ch]: new function
gimp_option_menu_set_history() which sets the history according to
user_data as passed to gimp_option_menu_new().
2000-02-12 Michael Natterer <mitschel@cs.tu-berlin.de>
* app/gdisplay_ops.c
* app/gradient.c
* app/palette.c
* plug-ins/gflare/gflare.c: removed the "eek" wilber from all
query boxes except the "Quit the GIMP?" warning.
* libgimp/gimpfileselection.c
* libgimp/gimpunitmenu.c: be a bit more clever with widget signals
(destroy, unmap) which affect the widget's sub-dialogs.
* libgimp/gimphelpui.c: pass a GtkWindow, not a GtkWidget to
gimp_dialog_set_icon().
* libgimp/gimpquerybox.[ch]: added documentation.
2000-02-10 Michael Natterer <mitch@gimp.org>
* libgimp/gimpquerybox.[ch]: as all boolean query boxes are
confirmations for deleting/closing something, I added the "eek"
wilber (you can still disable the pixmap by passing FALSE to the
constructor's "eek" parameter).
* app/app_procs.c
* app/gdisplay_ops.c
* app/gradient.c
* app/palette.c
* plug-ins/gflare/gflare.c: pass eek==TRUE to the boolean query
box constructor.
2000-02-10 Michael Natterer <mitch@gimp.org>
* app/gimpui.[ch]: removed the query boxes.
* po-libgimp/POTFILES.in
* libgimp/Makefile.am
* libgimp/gimpui.h
* libgimp/gimpquerybox.[ch]: new files. Added a boolean query box
to get rid of all those handmade "yes/no" query dialogs. Changed
the query box callback prototypes to return the entered value
instead of a pointer to it.
* app/commands.c
* app/display_ops.c
* app/gradient.c
* app/palette.c
* app/paths_dialog.c: correctly call the new query box functions
and use the boolean query box instead of inventing this wheel over
and over again.
* app/global_edit.[ch]: same as above and cleaned up the public
interface.
2000-02-10 Michael Natterer <mitch@gimp.org>
* Makefile.am
* pixmaps/wilber.xpm: new file.
* libgimp/gimpdialog.[ch]: uncommented some lines. Depending on
your window manager, you'll figure out what it does without having
to look at the sources...
* app/app_procs.c
* app/gradient.c
* app/menus.c: minor changes to bring the goodie above to all
places. Did dome cleanups.
* app/commands.c: I18N fix.
* app/channels_dialog.c: removed an unused declaration.
2000-02-07 Michael Natterer <mitch@gimp.org>
* app/*
* libgimp/*
* plug-ins/*
* tools/pdbgen/*: did a global s/GUnit/GimpUnit/ and
s/GimpSizeEntryUP/GimpSizeEntryUpdatePolicy/
* libgimp/gimpcolorspace.c: renamed the parameter names to match
the names in the header.
* libgimp/gimphelpui.h
* libgimp/gimpimage.c
* libgimp/gimpmatrix.h
* libgimp/gimpsizeentry.[ch]
* libgimp/gimpsizeentry.[ch]
* libgimp/gimpunit.[ch]
* libgimp/gimpunitmenu.[ch]
* libgimp/gimpwidgets.[ch]: added documentation and use g* types
all over the place (enables cross-referencing with the glib and
gtk+ html documentation).
* plug-ins/common/exchange.c
* plug-ins/common/max_rgb.c: small cleanups.
* plug-ins/common/mapcolor.c: the color buttons were attached in
the wrong order.
2000-02-05 Michael Natterer <mitch@gimp.org>
* gimprc.in
* user_install
* user_install.bat: renamed the "gflares" dir to "gflare" in all
places because this seems to be the naming convention of all the
other plug-in dirs.
* libgimp/gimpwidgets.[ch]:
- gimp_random_seed_new(): return the spinbutton and the time
toggle as pointers.
- gimp_scale_entry_new(): allow the spinbutton to have a larger
range of possible values than the scale.
* plugins/[all calls to the above two functions]: changed the
calls accordingly.
Did some more ui updates in some of these plugins (Frames saying
"Parameter Settings", spacing etc.)
* plug-ins/gflare/Makefile.am
* plug-ins/gflare/gflare.c: hacked it to match the plugin ui
standards. Didn't get rid of the gradient menus.
2000-02-03 Michael Natterer <mitch@gimp.org>
* libgimp/gimpwidgets.[ch] gimp_coordinates_new():
Pass the values which are treated as 0% and 100% to the
constructor and allow the chainbutton to constrain either the
pixel values or the aspect ratio.
* plug-ins/common/bumpmap.c
* plug-ins/common/sparkle.c: removed unused variables.
* plug-ins/common/gauss_iir.c
* plug-ins/common/gauss_rle.c
* plug-ins/common/spread.c: updated the gimp_coordinates_new()
calls.
* plug-ins/common/tile.c: use gimp_coordinates instead of
spinbuttons.
2000-02-01 Michael Natterer <mitch@gimp.org>
* libgimp/gimpsizeentry.[ch]: attach labels and the unit_menu with
GTK_SHRINK.
* libgimp/gimpwidgets.[ch]: new convenience constructor
gimp_coordinates_new() which creates a sizeentry with two fields,
labels and a chainbutton.
* plug-ins/common/gauss_iir.c
* plug-ins/common/gauss_rle.c
* plug-ins/common/spread.c: use the coordinate constructor.
* plug-ins/common/mblur.c: put the settings into two separate
frames instead of using two nested frames.
* plug-ins/common/sample_colorize.c: don't #include <math.h>
* plug-ins/script-fu/script-fu-scripts.c: use the libgimp ui
functions.
* plug-ins/script-fu/script-fu.c: hm, don't remember, I guess it
was indentation paranoia...
2000-02-01 Michael Natterer <mitch@gimp.org>
* libgimp/gimpwidgets.[ch]: merged the table attach helper
functions into one function.
* app/*
* plug-ins/*: changed the calls to gimp_table_attach_aligned()
accordingly. Did minimal ui updates (spacing and stuff) in some
files.
2000-01-28 Michael Natterer <mitch@gimp.org>
* app/main.c: bind the "gimp-libgimp" textdomain to get the
libgimp widget translations. Did some code cleanup.
* libgimp/stdplugins-intl.h: bind "gimp-libgimp".
* libgimp/gimpintl.h: copyright header.
* libgimp/libgimp-intl.h: there is no dgettext_noop() function
(typo/braino).
* libgimp/gimpwidgets.[ch]: one more table attach helper
function. Should probably find a general way for the two
functions.
* plug-ins/common/CML_explorer.c
* plug-ins/common/align_layers.c
* plug-ins/common/scatter_hsv.c
* plug-ins/common/threshold_alpha.c: removed the gtkW_* wrapper
functions. Badly hacked CML_explorer (The optionmenu creation is a
bit more ugly than before but at least consistent with the other
files using the libgimp optionmenu constructor).
2000-01-28 Michael Natterer <mitch@gimp.org>
* libgimp/Makefile.am
* libgimp/libgimp-intl.h: new file to be included by libgimp files
only. Re-defines _() and gettext() as dgettext() and N_() as
dgettext_noop().
This way the translations of the various widgets which are used in
both the app and plugins are searched in the correct catalog.
* libgimp/gimpcolorbutton.c
* libgimp/gimpexport.c
* libgimp/gimpfileselection.c
* libgimp/gimpunit.c
* libgimp/gimpunitmenu.c
* libgimp/gimpwidgets.c: #include "libgimp-intl.h"
2000-01-28 Michael Natterer <mitch@gimp.org>
* libgimp/gimpwidgets.[ch]: added one more option menu constructor
and made the namespace more consistent, minor fixes.
* libgimp/gimpdialog.c
* libgimp/gimpunitmenu.c: minor fixes.
* app/preferences_dialog.c
* plug-ins/borderaverage/borderaverage.c
* plug-ins/common/gif.c
* plug-ins/common/randomize.c: changed according to the above
namespace cleanups.
2000-01-26 Michael Natterer <mitch@gimp.org>
* libgimp/gimpsizeentry.[ch]: block the sizeentry's signals while
updating is's fields after a unit change and emit the
"value_changed" signal manually afterwards. This avoids multiple
"value_changed" signals which may cause callbacks to change the
sizeentry in the middle of a unit update.
* plug-ins/commion/spread.c: no need to connect to the sizeentry's
"unit_changed" signal.
2000-01-25 Michael Natterer <mitch@gimp.org>
* configure.in
* po-plug-ins/POTFILES.in
* plug-ins/common/Makefile.am
* plug-ins/common/plugin-defs.pl
* plug-ins/megawidget/*: removed. (There were only 3 functions
left which were used by ~5 plugins, so I moved the resp. functions
to the plugins). More preview stuff to come...
* app/airbrush_blob.c
* modules/colorsel_triangle.c
* modules/colorsel_water.c: use G_PI instead of M_PI.
* app/procedural_db.h
* libgimp/gimpenums.h
* plug-ins/script-fu/script-fu-constants.c
* tools/pdbgen/enums.pl: new PDB return value STATUS_CANCEL which
indicates that "Cancel" was pressed in a plugin dialog. (Useful
only for file load/save plugins).
* app/fileops.[ch]
* app/menus.c: changes to handle STATUS_CANCEL correctly. Did some
code cleanup in fileops.[ch]. Pop up a warning if File->Save
failed.
* app/plug_in.c: return_val[0] is of type PDB_STATUS, not
PDB_INT32.
* libgimp/gimpmath.h: new constant G_MAXRAND which equals to
RAND_MAX if it exists or to G_MAXINT otherwise.
* libgimp/gimpwidgets.[ch]: new function gimp_random_seed_new()
which creates a spinbutton and a "Time" toggle.
Call the function which does the "set_sensitive" magic from the
radio button callback.
* plug-ins/[75 plugins]:
- Return STATUS_CANCEL in all file load/save dialogs if "Cancel"
was pressed.
- Standardized the file plugins' "run" functions.
- Use G_PI and G_MAXRAND everywhere.
- Added tons of scales and spinbuttons instead of text entries.
- Applied uniform packing/spacings all over the place.
- Reorganized some UIs (stuff like moving the preview to the top
left corner of the dialog).
- Removed many ui helper functions and callbacks and use the stuff
from libgimp instead.
- I tried not to restrict the range of possible values when I
replaced entries with spinbuttons/scales but may have failed,
though in some cases. Please test ;-)
- #include <libgimp/gimpmath.h> where appropriate and use it's
constants.
- Indentation, s/int/gint/ et.al., code cleanup.
RFC: The plugins are definitely not useable with GIMP 1.0 any
more, so shouldn't we remove all the remaining compatibility
stuff ??? (like "#ifdef GIMP_HAVE_PARASITES")
2000-01-13 Michael Natterer <mitch@gimp.org>
* app/gimpui.[ch]
* app/preferences_dialog.c: removed & renamed some functions from
gimpui.[ch] (see below).
* libgimp/Makefile.am
* libgimp/gimpwidgets.[ch]; new files. Functions moved from
app/gimpui.[ch]. Added a constructor for the label + hscale +
entry combination used in many plugins (now hscale + spinbutton).
* libgimp/gimpui.h: include gimpwidgets.h
* plug-ins/megawidget/megawidget.[ch]: removed all functions
except the preview stuff (I'm not yet sure how to implement this
in libgimp because the libgimp preview should be general enough to
replace all the other plugin previews, too).
* plug-ins/borderaverage/Makefile.am
* plug-ins/borderaverage/borderaverage.c
* plug-ins/common/plugin-defs.pl
* plug-ins/common/Makefile.am
* plug-ins/common/aa.c
* plug-ins/common/align_layers.c
* plug-ins/common/animationplay.c
* plug-ins/common/apply_lens.c
* plug-ins/common/blinds.c
* plug-ins/common/bumpmap.c
* plug-ins/common/checkerboard.c
* plug-ins/common/colorify.c
* plug-ins/common/convmatrix.c
* plug-ins/common/cubism.c
* plug-ins/common/curve_bend.c
* plug-ins/common/deinterlace.c
* plug-ins/common/despeckle.c
* plug-ins/common/destripe.c
* plug-ins/common/displace.c
* plug-ins/common/edge.c
* plug-ins/common/emboss.c
* plug-ins/common/hot.c
* plug-ins/common/nlfilt.c
* plug-ins/common/pixelize.c
* plug-ins/common/waves.c
* plug-ins/sgi/sgi.c
* plug-ins/sinus/sinus.c: ui updates like removing megawidget,
using the dialog constructor, I18N fixes, indentation, ...
2000-01-11 Michael Natterer <mitch@gimp.org>
* app/gimphelp.h
* libgimp/gimp.h
* libgimp/gimphelpui.[ch]: declare the gimp_standard_help_func in
gimphelpui.h because libgimp widgets must not include libgimp/gimp.h.
* libgimp/gimpdialog.c
* libgimp/gimpexport.c
* libgimp/gimpunitmenu.c: use the dialog constructor for the
export dialog and the unit selection.
* plug-ins/gpc/gpc.[ch]
* plug-ins/megawidget/megawidget.[ch]: removed unused functions
(dialog creation and some other stuff). The rest of these libs is
scheduled for removal, too...
* plug-ins/AlienMap/AlienMap.c
* plug-ins/AlienMap/Makefile.am
* plug-ins/AlienMap2/AlienMap2.c
* plug-ins/AlienMap2/Makefile.am
* plug-ins/borderaverage/Makefile.am
* plug-ins/borderaverage/borderaverage.c
* plug-ins/common/align_layers.c
* plug-ins/common/blur.c
* plug-ins/common/colortoalpha.c
* plug-ins/common/compose.c
* plug-ins/common/decompose.c
* plug-ins/common/gauss_iir.c
* plug-ins/common/gauss_rle.c
* plug-ins/common/mapcolor.c
* plug-ins/common/max_rgb.c
* plug-ins/common/mblur.c
* plug-ins/common/noisify.c
* plug-ins/common/spread.c
* plug-ins/common/xbm.c
* plug-ins/common/xpm.c
* plug-ins/fp/Makefile.am
* plug-ins/fp/fp_gtk.c
* plug-ins/rcm/Makefile.am
* plug-ins/rcm/rcm_callback.[ch]
* plug-ins/rcm/rcm_dialog.c
* plug-ins/sinus/sinus.c: standard ui (spacings etc.) for some
more plugins. Did some indentation, prototyping and I18N fixes.
2000-01-07 Michael Natterer <mitch@gimp.org>
* libgimp/gimphelpui.c: make sure that the help signals are
created for all widget classes where we need them.
* plug-ins/common/Makefile.am
* plug-ins/common/edge.c
* plug-ins/common/emboss.c
* plug-ins/common/engrave.c
* plug-ins/common/exchange.c
* plug-ins/common/film.c
* plug-ins/common/flarefx.c
* plug-ins/common/fractaltrace.c
* plug-ins/common/gauss_iir.c
* plug-ins/common/gauss_rle.c
* plug-ins/common/gbr.c
* plug-ins/common/gee.c
* plug-ins/common/gicon.c
* plug-ins/common/gif.c
* plug-ins/common/glasstile.c
* plug-ins/common/gpb.c
* plug-ins/common/gqbist.c
* plug-ins/common/grid.c
* plug-ins/common/gtm.c: more plugins which use the dialog
constructor. Did some code formating and indentation.
2000-01-05 Michael Natterer <mitch@gimp.org>
* app/gimphelp.[ch]: removed most functions. Show the help page in
an idle function to avoid confusion with calling the temporary
help browser procedure in the middle of the "gimp_help" PDB call.
(I beleive this should work, so this is maybe a workaround for
some other bug).
* app/gimpui.[ch]: removed the dialog functions.
* libgimp/Makefile.am
* libgimp/gimpdialog.[ch]
* libgimp/gimphelp.c
* libgimp/gimphelpui.[ch]: new files. Moved most of the help
functions and the dialog constructors to libgimp and libgimpui.
* libgimp/gimp.h: declaration of the "gimp_help*" functions.
* libgimp/gimpui.h: include "gimpdialog.h" and "gimphelpui.h".
* plug-ins/common/grid.c: use the dialog constructor. It's now
possible to show the plugin's help with "F1".
* Makefile.am: added spec file to EXTRA_DIST
* docs/Makefile.am: added undo.txt to EXTRA_DIST
* app/interface.c: removed the DODGY warning, doesn't look dodgy to me
* libgimp/*.h: missed an s/Library/Lesser/
* tools/pdbgen/*: lots of work on the libgimp portion
-Yosh
1999-12-02 Michael Natterer <mitch@gimp.org>
* app/app_procs.c: Default to "Cancel" in the "Really Quit?" dialog.
* app/app_procs.c
* app/brush_select.c
* app/gimpbrushlist.c: Call brush_select_[freeze|thaw]_all() from
brushes_init() and brushes_free(), so refreshing the brushes from
plugins/scripts is faster.
* app/brightness_contrast.c
* app/color_balance.c
* app/curves.c
* app/file_new_dialog.c
* app/hue_saturation.c
* app/levels.c
* app/posterize.c
* app/threshold.c:
Reorder the action are buttons: [ "OK" "Reset" "Cancel" ]
* app/menus.c: Some more cleanups in the menu code. Reorder
<Image>/Filters/Misc only if ot exists. Generalized
menu_translate() in preparation for correctly supporting catalogs
which only exist sometimes (like gimp-perl).
* app/gradient.c
* app/gradient_select.c: Save some lines of code by using
gtk_clist_new_with_titles() instead of gtk_clist_new().
* libgimp/gimpunitmenu.c: Code cleanup and made the clist titles
of the unit selection un-clickable.
1999-11-20 Michael Natterer <mitch@gimp.org>
* app/preferences_dialog.c: new prefs. page "Help System" because
there will soon be more widgets there (browser selection etc.)
Cleaned up the "Display" and "Interface" pages a bit.
* app/menus.c
* plug-ins/common/plugindetails.c: add "...".
* libgimp/gimpfileselection.c
* libgimp/gimppatheditor.c: a widget shouldn't connect to it's own
"realize" signal. Set widget_class->realize = <widget>_realize
instead.
1999-11-16 Michael Natterer <mitch@gimp.org>
* libgimp/gimpchainbutton.c: the chainbutton's parent_class is a
GtkTable, not a GtkWidget. Code formating paranoia.
* libgimp/gimpcolorbutton.c
* libgimp/gimpcolorbutton.h
* po/POTFILES.in: added dnd and a popup window on right-click that
allows to load the current fg and bg colors.
* po-plug-ins/POTFILES.in
* plug-ins/common/Makefile.am
* plug-ins/common/colortoalpha.c
* plug-ins/common/plugin-defs.pl
* plug-ins/script-fu/script-fu-scripts.c: made script-fu and the new
colortoalpha plug-in use gimp_color_button
* plug-ins/common/rotate.c: add " degrees" to the menu entries
--Sven
1999-11-03 Michael Natterer <mitch@gimp.org>
* app/brush_select.[ch]
* app/gradient.c
* app/gradient_select.[ch]
* app/interface.[ch]
* app/palette.c
* app/pattern_select.[ch]: allow dragging a brush/pattern/... from
the selections with mouse2 without changing the active element in
the dialog.
* app/channels_dialog.c
* app/color_area.c
* app/color_panel.c
* app/color_select.c
* app/colormap_dialog.i.c
* app/devices.c
* app/gimpcontextpreview.[ch]
* app/gimphelp.[ch]
* app/gimpui.[ch]
* app/indicator_area.c
* app/interface.[ch]
* app/layers_dialog.c
* app/lc_dialog.c
* app/ops_buttons.[ch]
* app/paths_dialog.c
* app/preferences_dialog.c
* app/tools.[ch]: wrapped gtk_tooltips_set_tip() with
gimp_help_set_help_data() and moved it to gimphelp.[ch].
This should (hopefully) be the final state of the help system. The
New function allows a "private tip" to be set without a visible
tooltip. This way the tooltips inspector (shift+F1) can search for
help data in the parent containers of the clicked widget. E.g. the
ops buttons in the layers dialog have private tips like
"#new_layer" which gets composed with the help data of the layers
dialog notebook page resulting in a complete help path.
Allow mouse2 for all dnd operations. Mouse1 still works like before.
