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This list used to store the commits in the order we received
them in. I originally was using it to update the colors of
the commit before and the commit after the current commit,
but since that interface concept turned out to be horribly
ugly and has been removed we no longer need this list.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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After we finish reading a chunk of data from the file stream
we know how many digits we need in the line number column to
show the current maximum line number. If our line number column
isn't wide enough, we should expand it out to the correct width.
Any file over our default allowance of 5 digits (99,999 lines)
is so large that the slight UI "glitch" when we widen the column
out is trivial compared to the time it will take Git to fully do
the annotations.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Most source code files are under 9,999 lines of text, so using a
field width of 5 characters meant that we should have had one char
padding on the left edge (because we right-justify the line number).
Unfortunately when I added the right margin earlier (when I removed
the padding) I ate into the extra character's space, losing the left
margin. This put the line numbers too close to the commit column in
any file with more than 999 lines in it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The colors I originally picked out on a Mac OS X system look a
tad too dark on a Windows 2000 system; the greys are dark enough
to make it difficult to read some lines of text and the green used
to highlight the current commit was also difficult to read text on.
I also added a third grey to the mix, to try and help some files
that wind up with a number of neighboring chunks getting the same
colors.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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On Mac OS X the OS has "features" that like to draw thick black
borders around the text field that has focus. This is nice if
you want to know where your text is going and are blind as a bat,
but it isn't the best thing to have in a table that is being
faked through the abuse of Tk text widgets.
By setting our takefocus, highlightthickness and padx/y we can
get rid of this border and get our text widgets packed right next
to each other, with no padding between them. This makes the blame
background color smoothly run across the entire line of commit data,
line number and file content.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Originally I had placed this loaded column between the line number
and the file line data to help users know if a particular line has
received annotation data or not yet. This way users would know if
the line(s) they were interested in were ready for viewing, or if
they still had to wait. It also was an entertaining way for the
user to spend their time waiting for git-blame --incremental to
compute the complete set of annotations.
However it is completely useless now that we show the abbreviated
commit SHA-1 and author initials in the leftmost column. That area
is empty until we get the annotation data, and as soon as we get it
in we display something there, indicating to the user that there is
now blame data ready. Further with the tooltips the user is likely
to see the data as soon as it comes in, as they are probably not
keeping their mouse perfectly still. So I'm removing the field to
save screen space for more useful things, like file content.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Some commit lines can get really long when users enter a lot of
text without linewrapping (for example). Rather than letting the
menu get out of control in terms of width we clip the summary to
the first 50+ characters.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Apparently Tk on Mac OS X won't draw a button with an image using a
transparent background. Instead it draws the button using some sort
of 3D effect, even though I asked for no relief and no border. The
background is also not our orange that we expected it to be.
Earlier I had tried this same trick on Windows and it draws the same
way as the button did, so I'm going to switch to the label as that
seems to be more portable.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we have two commits right next to each other in the final
file and they were kept as different blocks in the leftmost
column then its probably because the original filename was
different. To help the user know where they are digging into
when they click on that link we now show the original file in
the tooltip, but to save space we do so only if the original
file is not the same as the file we are currently viewing.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Consecutive chunks of a file could come from the same commit, but
have different original file names. Previously we would have put
them into a single group, but then the hyperlink would jump to only
one of the files, and the other would not be accessible. Now we can
get to the other file too.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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gitweb has long had a feature where the user can click on any
commit the blame display and go visit that commit's information
page. From the user could go get the blame display for the file
they are tracking, and try to digg through the history of any
part of the code they are interested in seeing.
We now offer somewhat similiar functionality in git-gui. The 4
digit commit abreviation in the first column of our blame view is
now offered as a hyperlink if the commit isn't the one we are now
viewing the blame output for (as there is no point in linking back
to yourself). Clicking on that link will stop the current blame
engine (if still running), push the new target commit onto the
history stack, and restart the blame viewer at that commit, using
the "original file name" as supplied by git-blame for that chunk
of the output.
Users can navigate back to a version they had been viewing before
by way of a back button, which offers the prior commits in a popup
menu displayed right below the back button. I'm always showing the
menu here as the cost of switching between views is very high; you
don't want to jump to a commit you are not interested in looking at
again.
During switches we throw away all data except the cached commit data,
as that is relatively small compared to most source files and their
annotation marks. Unfortunately throwing this per-file data away in
Tcl seems to take some time; I probably should move the line indexed
arrays to proper lists and use [lindex] rather than the array lookup
(usually lists are faster).
We now start the git-blame process using "nice", so that its priority
will drop hopefully below our own. If I don't do this the blame engine
gets a lot of CPU under Windows 2000 and the git-gui user interface is
almost non-responsive, even though Tcl is just sitting there waiting
for events.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Computing the blame records for a large file with a long project
history can take git a while to run; traditionally we have shown
a little meter in the status area of our blame viewer that lets
the user know how many lines have been finished, and how far we
are through the process.
Usually such progress indicators are drawn with a little progress
bar in the window, where the bar shows how much has been completed
and hides itself when the process is complete. I'm using a very
simple hack to do that: draw a canvas with a filled rectangle.
Of course the time remaining has absolutely no relationship to the
progress meter. It could take very little time for git-blame to get
the first 90% of the file, and then it could take many times that to
get the remaining 10%. So the progress meter doesn't really have any
sort of assurances that it relates to the true progress of the work.
But in practice on some ugly history it does seem to hold a reasonable
indicator to the completion status. Besides, its amusing to watch and
that keeps the user from realizing git is being somewhat slow.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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At one point I tried to present the blame viewer to an audience of
people on a 640 by 480 pixel LCD projector. This did not work at
all as the top area (the file data) was taking up all of the screen
realestate and the split point was not adjustable by the user. In
general locking the user into a specific ratio of display is just
not user friendly.
So we now place a split pane control into the middle of our blame
window, so the user can adjust it to their current needs. If the
window increases (or decreases) in height we assign the difference
to the file data area, as that is generally the area of the window
that users are trying to see more of when they grow the window.
Unfortunately there appears to be a bug in the "pack" layout manager
in Tcl/Tk 8.4.1. The status bar and the lower commit pane was being
squashed if the window decreased in height. I think the pack manager
was just not decreasing the size of the panedwindow slave properly if
the main window shrank. Switching to the "grid" layout manager fixes
the problem, but is slightly uglier setup code.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Frequently when I'm looking at blocks of code in the blame
viewer I want to know who is the culprit, or who I should
be praising for a job well done. The tooltips nicely show
this if I mouse over a block, but it doesn't work to get
this detail at a glance.
Since we don't use the leftmost commit column for anything
after the first line within a commit group I'm now tossing
the author's initials into that field, right justified. It
is quite clearly not a SHA-1 number as we always show the
SHA-1 in lowercase, while we explicitly select only the
uppercase characters from an author's name field, and only
those that are following whitespace.
I'm using initials here over anything else as they are quite
commonly unique within small development teams. The leading
part of the email address field was out for some of the teams
I work with, as there the email addresses are all of the form
"Givenname.Surname@initech.com". That will never fit into the
4 characters available.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The | in the continued lines of the same commit group as not
easily seen on the left edge; putting a single space in front
of the pipe makes it slightly more visually appealing to me as
I can follow the line down through the group to the next commit
marker.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Because we no longer redraw colors every time we select a particular
commit there is no need to redraw the screen after we get a new commit
in from blame --incremental.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The selected commit's blame header is now drawn in green, using
the same background color that is shown in the main file content
viewer. The result is a much better looking commit pane, as we
use bold for header "keys" and proportional width fonts for the
stuff that doesn't need to be fixed width to maintain its formatting.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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When the mouse is over a particular line and we have blame data
for that line, but its not the active commit, we should show the
user information about that commit like who the author was and
what the subject (first line) was.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Since we don't allow the user to select text from the file
viewer right now I'm disabling the normal text cursor and
putting in a plain arror instead. This way users don't
think they can select and copy text, because they can't.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If two consecutive lines in the final file came from the same commit
then we store a "|" in the first column rather than the commit id,
for the second and subsequent lines in that block. This cleans up
the interface so runs associated with the same commit can be more
easily seen visually.
We also now use the abbreviation "work" for the uncommitted stuff in
your working directory, rather than "0000". This looks nicer to the
eyes and explains pretty quickly what is going on.
There was also a minor bug in the commit abbreviation column for the
last line of the file. This is now also fixed.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The git-gui blame viewer has always been ugly as s**t. Linus Torvalds
suggested the coloring scheme I'm using here, which is two different
shades of grey for the background colors, and black text on a pale green
background for the currently selected/focused commit.
The difference is a massive improvement. The interface no longer will
cause seizures in people who are prone to that sort of thing. It no
longer uses a very offensive hot pink. The green being current actually
makes sense. And not having the background of the other non-current
lines change when you change the current commit is really a big deal.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The blame viewer has this silly blank line at the bottom of it;
we really don't want to see it displayed as we will never get
any blame data for that line (it doesn't exist in the source).
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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A lot of this code was pre-class, which meant that I just sort of
copied and pasted my way through it, rather than being really smart
and using a variable for each widget's path name. Since we have a
field for each path, we can use those throughout the constructor
and make things a lot neater.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We now show the first 4 digits of each commit in the left most
column of our blame viewer, before the line numbers. These are
drawn as the data becomes available from git-blame --incremental,
and helps the user to visually group lines together.
I'm using only the first 4 digits because within a given cluster
of lines its unlikely that two neighboring commits will have the
same 4 digit prefix.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This is a simple change to match what gitk does when it shows
a commit; we format using ISO dates (yyyy-mm-dd HH:MM:SS).
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We can use [list ...] rather than "", especially when we are talking
about values as then they are properly escaped if necessary. Small
nit, but probably not a huge deal as the only data being inlined here
is Tk paths.
Some of the lines in the parser code were longer than 80 characters
wide, and they actually were all the same value on the end part of
the line. Rather than keeping the mess copied-and-pasted around we
can set the last argument into a local variable and reuse it many
times.
The commit display code was also rather difficult to read on an 80
character wide terminal, so I'm moving it all into a double quoted
string that is easier to read.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user doesn't give us a revision parameter to our blame
subcommand then we can generate blame against the working tree
file by passing the file path off to blame with the --contents
argument. In this case we cannot obtain the contents of the
file from the ODB; instead we must obtain the contents by
reading the working directory file as-is.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our blame viewer code has historically been a mess simply
because the data for multiple viewers was all crammed into
a single pair of Tcl arrays. This made the code hard to
read and even harder to maintain.
Now that we have a slightly better way of tracking the data
for our "meta-widgets" we can make use of it here in the
blame viewer to cleanup the code and make it easier to work
with long term.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Now that we have a slightly easier method of working with per-widget
data we should make use of that technique in our browser and console
meta-widgets, as both have a decent amount of information that they
store on a per-widget basis and our current approach of handling
it is difficult to follow.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users who are used to vi and recent versions of gitk may want
to scroll the diff region using vi style keybindings. Since
these aren't bound to anything else and that widget does not
accept focus for data input, we can easily support that too.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I'm finding it difficult to work with a 6,000+ line Tcl script
and not go insane while looking for a particular block of code.
Since most of the program is organized into different units of
functionality and not all users will need all units immediately
on startup we can improve things by splitting procs out into
multiple files and let auto_load handle things for us.
This should help not only to better organize the source, but
it may also improve startup times for some users as the Tcl
parser does not need to read as much script before it can show
the UI. In many cases the user can avoid reading at least half
of git-gui now.
Unfortunately we now need a library directory in our runtime
location. This is currently assumed to be $(sharedir)/git-gui/lib
and its expected that the Makefile invoker will setup some sort of
reasonable sharedir value for us, or let us assume its going to be
$(gitexecdir)/../share.
We now also require a tclsh (in TCL_PATH) to just run the Makefile,
as we use tclsh to generate the tclIndex for our lib directory. I'm
hoping this is not an unncessary burden on end-users who are building
from source.
I haven't really made any functionality changes here, this is just a
huge migration of code from one file to many smaller files. All of
the new changes are to setup the library path and install the library
files.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Shawn O. Pearce