Re: Now look what you made me do

[Lars Clausen <lars raeder dk>]

On Mon, 2007-10-01 at 16:50 +0200, Ondrej Mikle wrote:
> Lars Clausen wrote:
> > On Sun, 2007-09-30 at 14:38 +0200, Lars Clausen wrote:
> >> So all this talk about delete key make me think more about how edit mode
> >> would happen, and eventually I sat down and did the first essentials.
> >> The current SVN uses edit mode, entering it automatically when an object
> >> with text is created or on Enter or F2, and exiting on deselecting the
> >> object or Escape.  It doesn't fix the menus or anything, but I'm piling
> >> up remaining tasks on
> >> <URL:http://live.gnome.org/Dia/CurrentDevelopment>.
> > 
> > Forgot to say that everybody's welcome to join in the fray and make
> > patches or suggestions for these tasks, or for tasks that have not been
> > noticed yet.  If testing, please make sure to check any problems you
> > find are not covered by the remaining tasks before complaining about
> > them.  Then hopefully next weekend we can have a bug-closing fest, as
> > this enables us to get through a number of old problems.
> > 
> 
> Cool. The new behavior looks good. Here are few suggestions for the
> remaining tasks:
> 
> 1) "Figure out how to handle changing between multiple diagrams."
> 
> - I'd suggest each diagram has its own focus instead of switching the
> focus object pointer each time diagram loses/gains focus. This would
> also preserve the edit mode per diagram which is IMHO better than having
> to press Enter each time user exits and enters the diagram (when he had
> left with some text focused in textedit mode). This would require adding
> something like Focus* diagram_focus and gboolean diagram_textedit_mode
> to struct _DDisplay.
> 
> Then there is question what to do with active_focus_ptr? Two possibilities:
> a) it remains as the "really active" focus, i.e. the one where text
> would be added when user presses the keystrokes
> b) we wouldn't need it anymore and functions such as request_focus,
> give_focus, remove_focus would first ask ddisplay_active and work with
> the active's display focus (I like this option better, but I have to
> check what happens if one of them is called while no display has focus).
> 
> 2) "Make sure text edit mode is properly left at appropriate times."
> 
> There is a minor bug that text edit mode is quit twice when Delete is
> pressed (edit_delete_callback) while in text mode. I'll look at it
> during the week when I have a bit of time.

Delete of course should now behave differently in the two modes, but I
need to look into the menu system to see how to replace them (I'm sure
it's easy).  However, there's still something fishy in how this works.

> First it is removed here:
> #0  remove_focus_object (obj=0x20d35d0) at focus.c:173
> #1  0x0000000000466274 in textedit_remove_focus (obj=0x20d35d0,
> diagram=0x2045000) at textedit.c:238
> #2  0x000000000041f705 in diagram_unselect_object (diagram=0x2045000,
> obj=0x20d35d0) at diagram.c:671
> #3  0x000000000041f7da in diagram_unselect_objects (dia=0x2045000,
> obj_list=0x2212980) at diagram.c:690
> #4  0x0000000000427903 in delete_objects_apply (change=0x200d1a0,
> dia=0x2045000) at undo.c:576
> #5  0x000000000042e0a6 in edit_delete_callback (action=0x1d2fd30) at
> commands.c:527
> 
> And then again:
> #0  0x00002b3402074626 in raise () from /lib/libc.so.6
> #1  0x00002b3402075710 in abort () from /lib/libc.so.6
> #2  0x00002b34016df6a5 in g_logv () from /usr/lib/libglib-2.0.so.0
> #3  0x00002b34016df725 in g_log () from /usr/lib/libglib-2.0.so.0
> #4  0x00002b34016df793 in g_assert_warning () from /usr/lib/libglib-2.0.so.0
> #5  0x0000000000465f8e in textedit_end_edit (ddisp=0x204a3d0,
> focus=0x20c4cc0) at textedit.c:107
> #6  0x0000000000466289 in textedit_remove_focus (obj=0x20d6e60,
> diagram=0x2045000) at textedit.c:240
> #7  0x000000000041f705 in diagram_unselect_object (diagram=0x2045000,
> obj=0x20d6e60) at diagram.c:671
> #8  0x000000000041f7da in diagram_unselect_objects (dia=0x2045000,
> obj_list=0x20e2100) at diagram.c:690
> #9  0x0000000000427903 in delete_objects_apply (change=0x220fbb0,
> dia=0x2045000) at undo.c:576
> #10 0x000000000042e0a6 in edit_delete_callback (action=0x1d2fd30) at
> commands.c:527
> 
> Ondrej Mikle
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