2009-01-17 Michael Natterer <mitch@gimp.org>
* all files with a GPL header and all COPYING files:
Change licence to GPLv3 (and to LGPLv3 for libgimp).
Cleaned up some copyright headers and regenerated the parsers in
the ImageMap plugin.
svn path=/trunk/; revision=27913
2008-10-26 Michael Natterer <mitch@gimp.org>
Add some infrastructure for the on-canvas text editing GSoC
project:
* app/tools/gimptoolcontrol.[ch]: add boolean wants_all_key_events
member and API to set and get it.
* app/tools/gimptool.[ch]: add GimpTool::get_popup() which returns
the tool's context menu if it has one, or NULL otherwise.
* app/tools/tool_manager.[ch]: add tool_manager_get_popup_active()
wrapper.
* app/display/gimpdisplayshell-callbacks.c: check if the tool has
a popup menu and show it instead of the usual right-click menu.
Also call the tool's key_press() unconditionally if it wants all
key events, but this code needs more thinking.
svn path=/trunk/; revision=27416
2008-10-09 Michael Natterer <mitch@gimp.org>
Add GEGL_CFLAGS and #includes as if gimpdrawable.h and gimpimage.h
had a GEGL dependency (they will have in the next commit, but I
wanted to keep the commit separate).
* app/dialogs/Makefile.am
* app/file/Makefile.am
* app/gui/Makefile.am
* app/menus/Makefile.am
* app/paint/Makefile.am
* app/plug-in/Makefile.am
* app/text/Makefile.am
* app/vectors/Makefile.am
* app/widgets/Makefile.am
* app/xcf/Makefile.am: add GEGL_CFLAGS.
* app/actions/*.c
* app/core/*.c
* app/dialogs/*.c
* app/display/*.c
* app/file/*.c
* app/gui/*.c
* app/menus/*.c
* app/paint/*.c
* app/pdb/gimppdb-utils.c
* app/pdb/gimpprocedure.c
* app/plug-in/*.c
* app/text/*.c
* app/tools/*.c
* app/vectors/*.c
* app/widgets/*.c
* app/xcf/*.c: add <gegl.h> or replace <glib-object.h> by <gegl.h>
to all files which include a drawable subclass or gimpimage.h
* tools/pdbgen/app.pl: include <gegl.h> instead of <glib-object.h>
in all generated files.
* app/pdb/*-cmds.c: regenerated.
* data/images/gimp-splash.png: the goat is still sleeping.
By Aurore Derriennic.
svn path=/trunk/; revision=27202
2007-03-14 Michael Natterer <mitch@gimp.org>
Make the status display stuff local to GimpTool:
* app/tools/tool_manager.c (tool_manager_control_active): don't
call gimp_tool_clear_status().
* app/tools/gimptool.[ch]: make gimp_tool_clear_status() a
private function. Move call to gimp_tool_clear_status() from
real_control() to control(). Check the status_displays too in
gimp_tool_real_has_display() and gimp_tool_has_image() so the
normal mechanism of control(HALT)ing (and thus popping all
status messages) the tool on display close works.
svn path=/trunk/; revision=22124
2007-03-14 Michael Natterer <mitch@gimp.org>
Fix stuck statusbar messages when changing tools (bug #398913):
* app/tools/gimptool.[ch]: keep a list of status_displays around.
Update the list in all status push, replace and pop functions.
Added gimp_tool_clear_status() which removes the status messages
from all displays in the list. Call the function from
gimp_tool_real_control(HALT).
* app/tools/tool_manager.c (tool_manager_control_active): if we
can't call gimp_tool_control() because we have no display to pass,
still call gimp_tool_clear_status() so the messages go away from
displays the tool was only hovering.
svn path=/trunk/; revision=22123
2006-09-13 Michael Natterer <mitch@gimp.org>
Need to be more careful with setting a tool's focus_dislay now
that tools can receive modifier events in more circumstances
(fixes warnings with GimpEditSelectionTool)
* app/tools/gimptool.c (gimp_tool_button_release): ref the tool
around the function's body (GimpEditSelectionTool unrefs itself in
button_release()), don't reset the active_modifier_state if it is 0.
(gimp_tool_set_focus_display): reset the active_modifier_state if
it is != 0 and the tool had an old focus_display.
* app/tools/tool_manager.c (tool_manager_push,pop_tool): set the
old active_tool's focus_display on the new one.
2006-09-12 Michael Natterer <mitch@gimp.org>
Added new tool API for modifier key events while the tool
is active and implement it in the rect select and crop tools.
Fixes bug #316156 and bug #355302.
* app/tools/gimptool.[ch]: added GimpTool::active_modifier_key()
and public function gimp_tool_set_active_motifier_state(). Remember
the active_state at button_press and reset it on button_release.
Ignore releases of modifiers that were pressed at button_press (but
only ignore them once).
* app/tools/tool_manager.[ch]: added wrapper
tool_manager_active_modifier_state_active().
* app/display/gimpdisplayshell-callbacks.c
(gimp_display_shell_events): return FALSE for all modifiers even
when mouse button 1 is pressed.
(gimp_display_shell_canvas_tool_events): when bouse button 1 is
pressed *and* the tool is active, dispatch the new active_modifier
events to tools.
* app/tools/gimpcroptool.c
* app/tools/gimprectangleselecttool.c
* app/tools/gimprectangletool.[ch]: implement active_modifier_key()
instead of modifier_key().
2006-09-08 Sven Neumann <sven@gimp.org>
* app/core/gimp.[ch]: added function gimp_get_tool_info().
* app/actions/tools-commands.c
* app/actions/vectors-commands.c
* app/tools/gimppainttool.c
* app/widgets/gimpdrawabletreeview.c
* app/widgets/gimpselectioneditor.c
* app/widgets/gimptoolbox.c: use the new function instead of poking
into gimp->tool_info_list.
* app/display/gimpdisplayshell-callbacks.c
* app/display/gimpdisplayshell.[ch]: moved code that deals with
the space key into separate functions. Added space_shaded_tool
to GimpDisplayShell instead of using a static variable for it.
* app/tools/tool_manager.c: removed unused include.
2006-06-18 Michael Natterer <mitch@gimp.org>
* app/tools/gimptool.[ch]: added virtual functions
GimpTool::has_display(), which returns whether any tool subclass
keeps a pointer to the passed display; and GimpTool::has_image()
which returns a display based on a passed image, or NULL if no
display matches. Added default implementation of
GimpTool::control() which sets tool->display to NULL on HALT.
* app/tools/gimpclonetool.c
* app/tools/gimpdrawtool.c: implement both functions.
* app/tools/gimpclonetool.c: removed weak pointer hacks that are
no longer needed now (and were incomplete anyway).
* app/tools/tool_manager.c (tool_manager_select_tool)
(tool_manager_control_active)
(tool_manager_image_clean_dirty): use the new functions instead of
peeking around in tool subclasses (and forgetting tools that may
have display pointers, like the clone tool)
* app/display/gimpdisplay.c (gimp_display_delete): removed
fiddling with tool internals here too, control(HALT) on the tool
is now sufficient to remove any reference to the closed display.
2006-05-21 Michael Natterer <mitch@gimp.org>
* app/tools/tool_manager.c (tool_manager_image_clean_dirty): don't
try to reset the active tool by destroying and re-creating it
because this doesn't work while gimp->busy is TRUE. Call
tool_manager_control_active(HALT) instead, which is the right way
to do it anyway. Fixes bug #330083.
Sprinkled some local variables all over the place to get rid of a
gazillion tool_manager->active_tool.
2004-07-29 Michael Natterer <mitch@gimp.org>
Replaced the concept of having a boolean indicating if an undo
step dirties the image by a bitfield indicating which parts
of the image are dirtied:
* app/core/core-enums.[ch]: reordered two values in enum
GimpUndoType, added GIMP_DIRTY_IMAGE_SIZE to enum GimpDirtyMask.
The values of GimpDirtyMask are still questionable and will
probably change...
* app/core/gimpimage.[ch]: removed signal "undo_start" and added
a GimpDirtyMask parameter to the "dirty" and "clean" signals.
* app/core/gimpimage-undo.[ch] (gimp_image_undo_push): replaced
"gboolean dirties_image" by "GimpDirtyMask dirty_mask" and pass
it to gimp_image_dirty().
(gimp_image_undo_group_start): added *ugly* code which tries to
figure GimpDirtyMask from the group's GimpUndoType and store it in
the GimpUndoGroup. Call gimp_image_dirty() instead of the removed
gimp_image_undo_start(). This means the undo group now dirties the
image just like one of its undo steps, but that's no problem since
undoing cleans it in the same way.
* app/core/gimpundo.[ch]: s/dirties_image/dirty_mask/g
(gimp_undo_pop): emit clean/dirty signals *before* performing the
actual undo step so listeners can detach from the image before it
is changed by undo.
* app/core/gimpimage-undo-push.c (gimp_image_undo_push_*): pass a
GimpDirtyMask instead of TRUE/FALSE to gimp_image_undo_push().
* app/core/gimpimagemap.[ch]: removed "gboolean interactive"
because it makes no sense to use GimpImageMap noninteractively.
Don't freeze()/thaw() undo while the image_map is active which
fixes many ways of trashing the image's undo state but probably
introduces new ways of doing evil things.
* app/display/gimpdisplay-foreach.c
* app/display/gimpdisplayshell-handlers.c: changed according
to the GimpImage::clean()/dirty() signal changes. Small fixes
in the quit dialog's dirty image container.
* app/tools/gimptoolcontrol.[ch]: added member and API to
set/get the dirty_mask.
* app/tools/gimpcroptool.c
* app/tools/gimpimagemaptool.c
* app/tools/gimpiscissorstool.c
* app/tools/gimptexttool.c
* app/tools/gimptransformtool.c: whenever setting "preserve" to
FALSE, also set a "dirty_mask" which specifies on which image
changes the tool wants to be canceled.
* app/tools/tool_manager.c: removed "undo_start" connection and
connect to both "dirty" *and* "clean" to check if the active_tool
needs to be canceled. Cancel the tool only if the dirty_mask
passed in the signal has common bits with the tool's dirty_mask.
Fixes bug #109561 and probably opens some new ones...
2004-06-28 Sven Neumann <sven@gimp.org>
* app/gui/gui.c (gui_initialize_after_callback): select the
standard tool.
* app/tools/tool_manager.c: cosmetics.
2004-06-24 Michael Natterer <mitch@gimp.org>
* app/tools/gimptool.[ch]
* app/tools/tool_manager.[ch]: added boolean return value to
GimpTool::key_press() which indicates if the event was handled.
* app/tools/gimpcroptool.c
* app/tools/gimpeditselectiontool.[ch]
* app/tools/gimptransformtool.c
* app/tools/gimpvectortool.c: return TRUE if the key event was handled.
* app/tools/gimppainttool.c: removed key_press() implementation.
* app/widgets/Makefile.am
* app/widgets/widgets-types.h
* app/widgets/gimpcontrollerkeyboard.[ch]: new controller class
which takes GdkEventKey and emits controller events for all
combinations of modifiers and cursor keys.
* app/widgets/gimpcontrollers.[ch]: added new function
gimp_controllers_get_keyboard().
* app/display/gimpdisplayshell-callbacks.c: if a key event was not
handled by the active tool, dispatch it to the keyboard controller.
* etc/controllerrc: add a keyboard controller which is configured
to do the same as the removed gimp_paint_tool_key_press().
2004-06-12 Simon Budig <simon@gimp.org>
* app/tools/gimptool.[ch]: renamed the "arrow_key" member
to "key_press", since it is now no longer about just the arrow
keys.
* app/tools/gimpcroptool.c
* app/tools/gimpeditselectiontool.c
* app/tools/gimpeditselectiontool.h
* app/tools/gimpmovetool.c
* app/tools/gimppainttool.c
* app/tools/gimpselectiontool.c
* app/tools/gimptexttool.c
* app/tools/gimpvectortool.c
* app/tools/tool_manager.c: Changed accordingly.
2004-06-12 Simon Budig <simon@gimp.org>
* app/tools/tool_manager.[ch]: renamed
tool_manager_arrow_key_active to tool_manager_key_press_active.
* app/display/gimpdisplayshell-callbacks.c: Also dispatch
GDK_Return/KP_Enter/BackSpace/Delete to the tools "arrow_key"
member of GimpTool probably should be renamed.
* app/tools/gimpvectortool.c: Use Enter/Return to convert the
current path to a selection, use Backspace/Delete to delete the
currently active anchors in a path.
Implemented on Jimmacs request - thanks for being a great host :)
2004-05-04 Michael Natterer <mitch@gimp.org>
Treat FG/BG just like all other context properties:
* app/paint/gimppaintoptions.h: added GIMP_CONTEXT_FOREGROUND_MASK
and _BACKGROUND_MASK to GIMP_PAINT_OPTIONS_CONTEXT_MASK to specify
that they are used by GimpPaintOptions (automatically affects all
paint tools).
* app/tools/gimpblendtool.c
* app/tools/gimpbucketfilltool.c
* app/tools/gimpinktool.c: set FOREGROUND_MASK and BACKGROUND_MASK
manually here.
* app/tools/tool_manager.c (tool_manager_tool_changed): decide
about the globality of FG and BG at the same place where we decide
about the brush's, pattern's etc. globality, but hardcode them to
global = TRUE instead of looking at GimpConfig.
Fixes bug #141786.
2004-03-10 Michael Natterer <mitch@gimp.org>
* app/tools/tool_manager.c (tool_manager_image_dirty): don't
reinitialize the tool when the image becomes dirty but just cancel
it (fixes bug #131965). Also, only cancel the tool if the tool is
operating on one of the dirtied image's displays (fixes bug #12253).
2004-03-04 Michael Natterer <mitch@gimp.org>
* app/config/gimpcoreconfig.[ch]
* app/config/gimprc-blurbs.h: added boolean properties
"global-brush", "global-pattern" etc.
* app/gui/preferences-dialog.c: added GUI for them to the
"Tool Options" page.
* app/tools/tool_manager.c (tool_manager_tool_changed): honor the
new prefs options when copying the new tool's properties.
Fixed bug #122519.
2004-01-21 Michael Natterer <mitch@gimp.org>
* app/tools/gimptool.[ch]: added boolean return value to
GimpTool::initialize(). Returning FALSE means the tool could not
be initialized and doesn't want to receive button events.
Return TRUE from the default implementation.
* app/tools/tool_manager.[ch]: added boolean return value to
tool_manager_initialize_active(). Don't set the tool's display or
drawable if initialize() returns FALSE.
* app/display/gimpdisplayshell-callbacks.c: don't send button
events to the tool if initialize() returns FALSE.
* app/tools/gimpbrightnesscontrasttool.c
* app/tools/gimpcolorbalancetool.c
* app/tools/gimpcolorizetool.c
* app/tools/gimpcurvestool.c
* app/tools/gimphuesaturationtool.c
* app/tools/gimplevelstool.c
* app/tools/gimpposterizetool.c
* app/tools/gimpthresholdtool.c: return FALSE for NULL and indexed
drawables.
* app/tools/gimpimagemaptool.c: always return TRUE because our
subclasses already checked if the active drawable is OK.
* app/tools/gimptransformtool.c: return FALSE for layers with
masks. Fixes bug #132089. Some random cleanups.
2003-10-14 Michael Natterer <mitch@gimp.org>
Refactored modifier handling of displays and tools. Hopefully
finally fixes bug #124135.
* app/tools/gimptool.[ch] (struct GimpTool): added private members
"focus_display" and "modifier_state" so tools are aware of their
modifier state.
* app/tools/gimptool.[ch]
* app/tools/tool_manager.[ch]: removed all public modifier_key()
API and added set_focus_display() and set_modifier_state()
instead.
* app/tools/tool_manager.c (tool_manager_select_tool)
* app/display/gimpdisplay.c (gimp_display_delete): set the
active_tool's focus_display to NULL.
* app/display/gimpdisplayshell.[ch] (struct GimpDisplayShell):
added almost the whole stuff that used to be static variables of
gimp_display_shell_tool_events(). Cleaned up the struct a bit.
* app/display/gimpdisplayshell-callbacks.c: removed utility
function gimp_display_shell_update_tool_modifiers().
(gimp_display_shell_tool_events):
- Replaced all calls to gimp_display_shell_update_tool_modifiers()
and tool_manager_modifier_key_active() by
tool_manager_modifier_state_active().
- Call tool_manager_focus_display_active() before setting the
tool's modifier_state. Set the tool's focus_display to NULL when
we get a focus_out event.
- Don't grab/ungrab the keyboard twice when <space>-selecting the
move tool.
- Removed most static variables and use the new members of
GimpDisplayShell. Don't remember any old modifier states since
GimpTool does that by itself now.
2003-10-06 Michael Natterer <mitch@gimp.org>
* app/tools/tool_manager.c (tool_manager_image_undo_start): HALT
the tool with the right display. Fixes some random tool crashes.
2003-09-18 Michael Natterer <mitch@gimp.org>
* app/paint/Makefile.am
* app/paint/paint.[ch]: removed...
* app/paint/gimp-paint.[ch]: ...and added.
* app/core/gimp.c: changed accordingly.
* app/tools/Makefile.am
* app/tools/tools.[ch]: removed...
* app/tools/gimp-tools.[ch]: ...and added. Added
gimp_tools_restore() and gimp_tools_save() and moved the entire
tool registering and tool_options loading/saving code here. Call
tool_manager_init() from gimp_tools_init() and tool_manager_exit()
from gimp_tools_exit().
* app/tools/tool_manager.[ch]: removed the code which now lives
in gimp-tools.[ch]. The tool manager now has no knowledge about
individual tools any more and just handles the active_tool
and the tool part of tool <-> display interaction.
Removed tool_manager_get_info_by_type().
* app/tools/gimpvectortool.c (gimp_vector_tool_register): the
tool's identifier is "gimp-vector-tool", not "gimp-path-tool".
* app/app_procs.c
* app/display/gimpdisplayshell-callbacks.c
* app/gui/vectors-commands.c
* app/tools/gimppainttool.c: changed accordingly.
2003-08-30 Michael Natterer <mitch@gimp.org>
* app/tools/gimptool.c: made "tool-info" a G_PARAM_CONSTRUCT_ONLY
property.
* app/tools/tool_manager.c (tool_manager_tool_changed): pass it to
g_object_new() instead of setting it after tool creation.
* app/tools/gimppainttool.[ch]
* app/tools/gimptransformtool.[ch]: removed ugly
"gboolean notify_connected" hacks and connect to the signals in
GObject::constructor().
* app/tools/gimppainttool.c (gimp_paint_tool_contstructor): create
paint_tool->core here from tool->tool_info->paint_info->paint_type.
* app/tools/gimpairbrushtool.c
* app/tools/gimpclonetool.c
* app/tools/gimpconvolvetool.c
* app/tools/gimpdodgeburntool.c
* app/tools/gimperasertool.c
* app/tools/gimppaintbrushtool.c
* app/tools/gimppenciltool.c
* app/tools/gimpsmudgetool.c: changed accordingly. Removed lots of
useless class_init functions. Converted tabs to spaces. Cleanup.
2003-08-30 Michael Natterer <mitch@gimp.org>
Fixed & cleaned up paint function registration to work without
GUI. Finishes core/GUI separation for the paint tools:
* app/core/gimppaintinfo.[ch]: removed "gchar *pdb_string" all over
the place since we don't stroke using the PDB any more.
(gimp_paint_info_new): create paint_info->paint_options here so
the paint system is fully initialized when there is no GUI.
* app/paint/paint.c: removed pdb_string stuff here, too.
* app/core/gimptoolinfo.[ch]: create tool_info->tool_options
only if tool_info->tool_options_type is not the same type
as paint_info->paint_options_type (if we are no paint tool).
* app/core/gimptooloptions.c: removed G_PARAM_CONSTRUCT_ONLY from
the "tool-info" property. Instead, changed
gimp_tool_options_set_property to ensure that it is only set once.
* app/core/gimp.c (gimp_initialize): moved paint_init() after
data_factory creation (was in gimp_init()), since GimpPaintInfo
now creates the GimpPaintOptions, which are GimpContexts, which
need gimp->*_factory to be constructed.
* app/tools/tool_manager.c: don't create tool_info->tool_options
here (it's not the job of the tool_manager to set up the core
paint system correctly, it must be already initialized before any
tool_manager function is called).
Made "Stroke Selection" and "Stroke Path" work the same way:
* app/paint/gimppaintcore-stroke.[ch]: added new function
gimp_paint_core_stroke_boundary() which strokes without using
the PDB.
* app/core/gimpimage-mask.c (gimp_image_mask_stroke): use it
instead of using the PDB. Enables all available paint options for
stroke operations. Fixes bug #119411.
* app/gui/vectors-commands.c (vectors_stroke_vectors)
* app/core/gimpimage-mask.c (gimp_image_mask_stroke): removed all
code which tries to figure how to stroke and simply look at the
active tool's tool_info->paint_info, since it is always set up
correctly now.
2003-07-14 Michael Natterer <mitch@gimp.org>
Argh...
* app/paint/Makefile.am
* app/paint/gimppencil.[ch]: added it again as GimpPaintbrush
subclass and override nothing but the user visible undo name and
the paint_options type.
* app/paint/paint.c
* app/tools/tool_manager.c
* app/tools/gimppenciltool.c
* tools/pdbgen/pdb/paint_tools.pdb: reverted my last changes.
* app/pdb/paint_tools_cmds.c: regenerated.
2003-07-14 Michael Natterer <mitch@gimp.org>
* app/paint/Makefile.am
* app/paint/gimppencil.[ch]: removed.
* app/paint/gimppenciloptions.[ch]: new files. Does nothing except
setting the default value of "hard" to TRUE.
* app/paint/paint.c
* app/tools/tool_manager.c: changed accordingly.
* app/tools/gimppenciltool.c
* tools/pdbgen/pdb/paint_tools.pdb: use the pintbrush core for
pencil drawing.
* app/pdb/paint_tools_cmds.c: regenerated.
* app/tools/gimppaintoptions-gui.c: show all paintbrush options
except "Hardness" for the pencil tool.
2003-07-14 Michael Natterer <mitch@gimp.org>
* app/tools/tool_manager.c: check if the active_tool is a
GimpDrawTool before casting & accessing its members.
2003-07-10 Michael Natterer <mitch@gimp.org>
* app/display/gimpdisplayshell-transform.[ch]: removed
gimp_display_shell_transform_boundary() again...
* app/tools/gimpdrawtool.[ch]: ...and added as
gimp_draw_tool_draw_boundary(). Removed the GimpDrawToolState enum
and the "draw_state" member since they were redundant. Cleanup.
* app/tools/gimpeditselectiontool.c: changed accordingly.
* app/tools/gimppainttool.[ch]: added a brush preview so we
finally see where we will paint. Fixes bug #32498. Cleanup.
* app/tools/tool_manager.c: also look at draw_tool->gdisp, not
only at tool->gdisp when deciding whether the active tool has to
be suspended/resumed/halted. Fixes a couple of fnords with the
line preview and the new brush preview.
* app/tools/gimpcolortool.c: minor cleanup.
2003-06-28 Michael Natterer <mitch@gimp.org>
* app/core/gimpcontext.h: removed enum GimpContextPropType and
enum GimpContextPropMask.
* app/core/core-enums.[ch]: added them here.
* app/core/gimptoolinfo.[ch]: replaced "gboolean tool_context"
member by "GimpContextPropMask context_props" so each tool can
specify exactly which context properties it wants to have
persistently remembered.
* app/tools/tools-types.h: changed typedef GimpToolRegisterCallback
accordingly.
* app/tools/tool_manager.[ch] (tool_manager_register_tool): ditto.
Removed the "global_tool_context" and initialize all tool info
objects from the user_context after creation. Removed the
PAINT_OPTIONS_MASK #define and use the new context_props stored in
tool_info insted.
* app/tools/gimppainttool.h: #define the common properties of the
paint tools as GIMP_PAINT_TOOL_OPTIONS_MASK (which is OPACITY |
PAINT_MODE | BRUSH).
* app/tools/[all tools].c (gimp_*_tool_register): replaced the
"use_context" boolean by the actual mask of context properties the
tools need.
2003-06-06 Sven Neumann <sven@gimp.org>
* app/core/gimptoolinfo.[ch]: added "in_toolbox"; defaults to TRUE.
* app/tools/tool_manager.c: set "in_toolbox" to FALSE for tools
derived from GimpImageTool.
* app/widgets/gimptoolbox.c: respect the new flag when constructing
the toolbox.
2003-05-12 Michael Natterer <mitch@gimp.org>
* app/tools/tool_manager.c (tool_manager_tool_changed): make sure
that active_tool->tool_info is non-NULL before dereferencing it.
(Spotted by Ville Pätsi).
2003-04-10 Michael Natterer <mitch@gimp.org>
* app/core/gimpcontext.[ch]: added gimp_context_type_to_prop_name().
* app/widgets/Makefile.am
* app/widgets/widgets-types.h
* app/widgets/gimpviewablebutton.[ch]: new widget implementing
the wheel-scrollable preview button.
* app/tools/gimptextoptions.c
* app/tools/paint_options.[ch]: removed the code implementing the
same and use GimpViewableButton.
* app/tools/tool_manager.c: added the font to the context
properties which are remembered per tool. Added an evil hack
using g_object_set_data() to pass the global_dock_factory to
tool option GUI constructors.