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The main key list control in the Pageant window was previously an ordinary LBS_HASSTRINGS list box, with tab characters aligning the various parts of the key information into different columns. This was fragile because any mistake in the font metrics could have overflowed a tab stop and forced the text to move on to the next one. Now I've switched the list box into LBS_OWNERDRAWFIXED mode, which means that in place of a string for each list item I store a struct of my choice, and I have to draw the list-box entries myself by responding to WM_DRAWITEM. So now I'm drawing each component of the key information as a separate call to ExtTextOut (plus one TabbedTextOut to put the '(encrypted)' suffix on the end), which means that the tab stops are now guaranteed to appear where I tell them to. No functional change, for the moment: this is pure refactoring. As closely as I can tell, the appearance of the list box is pixel-for-pixel what it was before this commit. But it opens the door for two further improvements (neither one done in this commit): I can dynamically choose the tab stop locations based on querying the text metrics of the strings that will actually need to fit in the columns, and also, whatever reorganisation I need to do to make certificates fit sensibly in this list box can now be done without worrying about breaking anything terribly fragile.
This is the README for PuTTY, a free Windows and Unix Telnet and SSH
client.
PuTTY is built using CMake <https://cmake.org/>. To compile in the
simplest way (on any of Linux, Windows or Mac), run these commands in
the source directory:
cmake .
cmake --build .
Then, to install in the simplest way on Linux or Mac:
cmake --build . --target install
On Unix, pterm would like to be setuid or setgid, as appropriate, to
permit it to write records of user logins to /var/run/utmp and
/var/log/wtmp. (Of course it will not use this privilege for
anything else, and in particular it will drop all privileges before
starting up complex subsystems like GTK.) The cmake install step
doesn't attempt to add these privileges, so if you want user login
recording to work, you should manually ch{own,grp} and chmod the
pterm binary yourself after installation. If you don't do this,
pterm will still work, but not update the user login databases.
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory using `doc/Makefile'. If you aren't using one of our
source snapshots, you'll need to do this yourself. Halibut can be
found at <https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.
The PuTTY home web site is
https://www.chiark.greenend.org.uk/~sgtatham/putty/
If you want to send bug reports or feature requests, please read the
Feedback section of the web site before doing so. Sending one-line
reports saying `it doesn't work' will waste your time as much as
ours.
See the file LICENCE for the licence conditions.