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Simplified and started from a clean slate, without much of
the hidden existing space data that was hanging around
in the old one.
One issue I found is that saving the startup file from
Blender 2.5 also saves the window size and location.
This means the version I just saved would open up
strangely on other screen sizes/setups. I added code to
reset this to default when loading it up from the version
compiled into the Blender binary, but perhaps Ton/
Brecht might want to check the diff.
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Sanitized the 'tweak' event.
Original idea was to have WM event system generating it
automatically. However, I first tested it via a handler
and operator, to check what kind of configurations would
be useful. It appeared to not work nice, also because
that inserting a tweak operator in a keymap is confusing.
Now 'tweaks' are generated automatically, and can be
catched by keymaps as any event. The current definition
of tweak is:
- if Left/Middle/Rightmouse pressed
if event wasn't handled by window queue (modal handlers)
start checking mousepositions
- while mousepositions are checked
- escape on any event other than mouse
- on mouse events:
- add tweak event if mousemove > 10 pixels
- stop checking for tweak if mousebutton released
- Tweak events have a define indicating mousebutton used
EVT_TWEAK_L, EVT_TWEAK_M, EVT_TWEAK_R
- In keymap definitions you can use _S or _A to map to
action or select mouse userdef.
- Event value in keymap should be KM_ANY for all tweaks,
or use one of the eight directions:
EVT_GESTURE_E, _SE, _S, _SW, _W, _NW, _N, _NE
- And of course you can add modifier checks in keymaps for it.
- Because tweaks are a result of mouse events, the handlers get
both to evaluate. That means that RMB-select + tweak will work
correctly.
In case you don't want both to be handled, for example the
CTRL+LMB 'extrude' and CTRL+LMB-tweak 'lasso select', you will
need to set the first acting on a EVT_RELEASE, this event only
gets passed on when tweak fails.
The current system allows all options, configurable, we had in 2.48,
and many more! A diagram of what's possible is on the todo. :)
Also in this commit: lasso select editmesh failed with 'zbuffer
occluded select'. Also circle-select failed.
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for now.)
Notes:
* So far, only size mode ported and tested, still strength and rotation to do
* Brought this back for sculptmode first, still to do are particle edit, vpaint, wpaint, texpaint, and I guess image paint?
* Changed the wm paint cursor slightly, to take a customdata pointer.
* Still need to bring back brush texture display in the cursor
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Added WM Jobs manager
- WM can manage threaded jobs for you; just provide a couple
of components to get it work:
- customdata, free callback for it
- timer step, notifier code
- start callback, update callback
- Once started, each job runs an own timer, and will for
every time step check necessary updates, or close the
job when ready.
- No drawing happens in jobs, that's for notifiers!
- Every job stores an owner pointer, and based on this owner
it will prevent multiple jobs to enter the stack.
Instead it will re-use a running job, signal it to stop
and allow caller to re-initialize it even.
- Check new wm_jobs.c for more explanation. Jobs API is still
under construction.
Fun: BLI_addtail(&wm->jobs, steve); :)
Put Node shader previews back using wmJobs
- Preview calculating is now fully threaded (1 thread still)
- Thanks to new event system + notifiers, you can see
previews update even while dragging sliders!
- Currently it only starts when you change a node setting.
Warning: the thread render shares Node data, so don't delete
nodes while it renders! This topic is on the todo to make safe.
Also:
- bug in region initialize (do_versions) showed channel list in
node editor wrong.
- flagged the channel list 'hidden' now, it was really in the
way! This is for later to work on anyway.
- recoded Render API callbacks so it gets handlers passed on,
no globals to use anymore, remember?
- previewrender code gets now so much nicer! Will remove a lot
of stuff from code soon.
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Vertex Paint back!
Added WM level "paint cursor" system, which manages a custom painting
cursor for tools or modes.
- Activate it with WM_paint_cursor_activate(). That function wants two
callbacks, a poll(C) to check whether there's a cursor in given context
and ARegion, and a draw(C, x, y) which gets called when appropriate.
- While paintcursor is active, the WM handles necessary redrawing events
for all regions, also to nicely clear the cursor on region exit.
- WM_paint_cursor_activate returns a handle, which you have to use to
end the paint cursor. This handle also means you can register as many
custom cursors as you want.
At the moment, vertex paint mode registers only a mousemove handler,
all other events are still normally handled. This is stuff for the
future todo.
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- Lasso select back (CTRL+LMB), object centers only,
and for editmesh. See template in wm_operators.c
- Circle select for editmode back. Currently it still
uses Ckey, and is only a temporary mode, not persistant.
Persistant circle select can be added later with
tweak gesture keymap? We'll see. :) The old circle
select was actually annoying that it was so sticky.
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Notifier system upgrade, based on Brecht's doc.
Implementation notes:
http://wiki.blender.org/index.php/BlenderDev/Blender2.5/DataNotifiers#Implementation
In short: let's try to strictly communicate in a notifier what happened.
The listeners then can act themselves. It also means that a frame-changed
notifier doesn't send out redraws, the editors themselves can decide.
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Fix: popup menus were not freeing operators.
Made a new Popup menu call for this case:
uiPupmenuOperator(C, maxrow, op, propname, menustr);
It will set enum "propname" to the menu item and call operator,
register it optionally and free it. Use it in "invoke" calls.
Next: automatic menu generating for enum properties!
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- Added standard "tweak" gesture operator, which can be set per region, to
generate EVT_TWEAK events. You can configure tweaks for any mouse button
and have handlers for such events check for modifiers etc.
It even stores tweak direction (8 directions). Might be fun to experiment
with tweak gestures N, S, etc. :)
In general it can be used to replace the current tweak code in 2.48
(std_rmouse_transform).
Test added: on screen level it now adds LMB tweaks, if tweak-South it splits
the area. Will be removed of course.
- Added to Border operator a property to store event used to end border with.
- Moved the "AZone" triangle drawing to the right context (area). It was on
screen level, not respecting area-redraws. Also cleaned up drawing for it,
and moved the "swap buffers indicator" square to look nicer. Those squares
are only for test!
- event-match function had bad code for checking for event-value. Made a
"KM_ANY" define so keymaps can be defined ignoring event values.
- Gesture todo: lasso, "real gesture" (like blender now has)
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- operator definitions, callbacks, registry to WM and handlers for it are
now always in a file xxxx_ops.c or xxxx_operators.c, in the bottom you
will find the registry and handler code.
- fixed some confusing naming conventions "rip_area vs area_join" etc. Now
stick to convention to first name subject, then operation (like UI :).
So it's area_rip, screen_add, and so on.
- Nicely put exported calls (outside module) together in bottom: this using
names such as ED_screen_duplicate().
- Moved Operator-Property API to new C file.
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- Simplified and cleaned previous border code
It was a bit too complex, too many data manipulations
Original idea was to have WM API calls to manage border, circle, lines,
lasso, etc. This now means that WM provides callbacks for custom operators,
so it's very easy to make them. Check bottom of screen_edit.c for an
example.
Currently two borders were coded; with and without cross hair.
Press Bkey in any area-region to test it (note: time window has wrong matrix!)
Some specs to note:
- gestures are in region space, and draw 'over'. That latter still needs some
work when we do real composites.
- only the active region is redrawn.
- on todo is the generic gesture engine for 'tweak' or like how currently grab
gestures in Blender work. These will be configurable per area-region, and WM
then will send the proper "Gesture Event" with properties (N, S, E, W, etc)
to which you then can assign operators. Such events will be generated with low
priority, so other handlers who swallowed mouse events have preference.
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information, warnings and errors.
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==========
* Changed wmOperatorType, removing init/exit callbacks and adding cancel
callback, removed default storage in favor of properties. Defined return
values for exec/invoke/modal/cancel.
* Don't allocate operator on the stack, and removed operator copy for
handlers. Now it frees based on return values from callbacks, and just
keeps a wmOperator on the heap. Also it now registers after the operator
is fully finished, to get the correct final properties.
* Changed OP_get_* functions to return 1 if the property is found and 0
otherwise, gives more readable code in my opinion. Added OP_verify_*
functions to quickly check if the property is available and set if it's
not, that's common for exec/invoke.
* Removed WM_operatortypelist_append in favor of WM_operatortype_append
which takes a function pointer instead of a list, avoids macro's and
duplicating code.
* Fix a crash where the handler would still be used while it was freed by
the operator.
* Spacetypes now have operatortypes() and keymap() callbacks to abstract
them a bit more.
* Renamed C->curarea to C->area for consistency. Removed View3D/View2D/
SpaceIpo from bContext, seems bad to keep these.
* Set context variables like window/screen/area/region to NULL again when
leaving that context, instead of leaving the pointers there.
* Added if(G.f & G_DEBUG) for many of the prints, makes output a bit
cleaner and easier to debug.
* Fixed priority of the editors/interface module in scons, would otherwise
give link errors.
* Added start of generic view2d api.
* Added space_time with some basic drawing and a single operator to change
the frame.
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- removed editors/area and put this all in screen
- added first python calls (note, a new c file for scriptlinks)
- added view3d editor callbacks (no drawing yet)
- added files in editors/interface
(Cmake and Scons has to be fixed, help welcome!)
- now areas/headers are being converted on file read
- note: previously saved 2.50 files will crash!!! (.B.blend)
- area regions are being drawn, first handler for cursor added (on edge)
- window duplicate and scale works correct for screen subdiv
Todos for me:
- need to fix things in syntax (function names) a bit still
- more operators for screen
- define how Context will work... still unresolved when it gets set
- docs!
Reviews of code structure is welcome!
There are also more todos now for others, but it can wait a couple of days
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adding new windowmanager module, and the first bits of new editors
module.
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