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Again, gcc-4.2.1 of OpenBSD-5.6 pointed out the use of strcat(). I took the
chance to explain the reasons for the code a little bit.
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The lookup for the skip value needs to be based upon the lowercase version of
the current byte.
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This commit implements a tweak to the typeahead feature already existent in
fluxbox: If the user opens up a menu and starts typing, fluxbox tries to
detect matching menu items and makes them available for quick selection.
The typed pattern is now search also in the middle of the text.
I opted to strip down the code quite a bit and remove complexity by throwing
out FbTk::TypeAhead and FbTk::SearchResult because I do not see the need for a
general solution when the only use case for such a feature is in fluxbox'
menus. FbTk::ITypeAheadable shrunk down to 2 functions; the whole file might
be combined with the code that implements FbTk::Menu::TypeSearch.
FbTk::Menu::setIndex() and related code is also gone: the position of each
menu item is defined by it's position in the items container. This reduces the
mount of book keeping fluxbox has to do. Fewer moving parts is a good thing.
It's possible that users start to complaint because they expect their
typed pattern to match only at the beginning of the text OR that some
demand other tweaks. We will see.
This commit also fixes a regression introduced by 8387742c. The bug made
the menu vanish.
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'width' might imply something 'aligned horizontally'. The first parameter
of maxTextLength() is given in pixels. To avoid confusion, the name of
the parameter is changed.
The comment before the binary search reflects better why and what we
need to do.
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A vertically rotated text should be checked against the height of the
button, not the width of it.
Fixes #1119 ("Toolbar cannot display full text of workspace/clock/window
title.")
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Sometimes fluxbox is used as a component of a desktop environment (
e.g., the "Lumina Desktop"). It's easier and more stable for this kind
of "users" to disable the toolbar or the slit alltogether. Why not
configure these features out? Because then they would need 2 installations
of fluxbox: One without the slit and the toolbar (and perhaps other
components) and one with them.
This implements feature request #314, at least partially.
This commit also looks bigger than it actually is: I refactored and cleaned
up classes Fluxbox and BScreen.
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There was a subtle flaw in the way fluxbox detects to which BScreen a
given Window belongs: We have to compare the RootWindow of the given
Window against the RootWindow of each BScreen.
That underlying flaw made _NET_REQUEST_FRAME_EXTENTS fail: the code path
needs a valid BScreen for the given window, otherwise we return early.
Closes #1121.
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Also: try to avoid unsigned/signed problems in drawing code.
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If allocation of I2 does not succeed, we need to free I1.
Closes #1120
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Note: I expect only modern compilers will hit the source of fluxbox. It
seems futile to guard stdlib headers while demanding <algorithm> etc. This
should trim down the noise in the source quite a bit.
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Coverity pointed out that 'size' might be 0 (even if the 'find()' would
detect this). This commit fixes this and avoids entering 'find()' at
all.
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Every time either the Slit menu or the Toolbar menu were added to the
root menu, the whole root menu was (re)created from scratch. Now we
create and remove only the menus needed.
Side effect: the position of these menus is now at the end of the root
menu and not somewhere in between. If users complaint, I' ll think about
it.
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This commit is a preparation step for some menu cleanup ahead. To make it
easier to understand which types of MenuItems are added where and when, I
converted the overloaded FbTk::Menu::insert() functions into explicit ones
(Menu::insertSubmenu(), Menu::insertItem(), etc. ). This makes it possible
to just grep for 'insertSubmenu()'.
Side effect this commit: it trims down the very verbose creation of menu items
in regards to how the labels are created.
Minor: FbTk::Menu::shown and FbTk::Menu::s_focused are moved out of the class.
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Reorder some includes; remove unused includes
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When fluxbox comes up some of it's drawables span a 1x1 area. Subtracting from
such small numbers bigger ones always lead to massive problems when 'unsigned
int' are involved:
'button_width' is an unsigned int of '1' (this might be caused by another
issue or on purpose, anyway), subtracting -10 or any other number should
result in something < 0 when in reality an integer underflow happen: max_width
is now MAX_INT-something big. This makes fluxbox crash under certain
circumstances.
This fixes bug #1116.
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POSIX states that 'd_name' in 'struct dirent' is char[], so it cannot be NULL.
This will result in the compiler complainting about an expression which always
evaluates to true ... for this compiler (clang). But in some implementations
'd_name' is a 'char*' that's why it's better to keep the check for possible
NULL.
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As correctly pointed out by 'Nable80': "%llx" does not create the 0x prefix
for the hex-string. In addition to that: snprintf() adds a terminating \0.
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Again: Compiler happy, we are happy.
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While running code analysis tools this issue popped up. As it is written it is
clearly a NOP, but the reason for why it is written that way remains unknown.
I suspect that it was a textfragment introduced by some repeat-function of the
used editor (think '.' in VIM). The code was introduced by commit a932a7a801
and looked like this in the original form:
if(!XQueryTree(FbTk::App::instance()->display(), window().window(),
&root_return, &parent_return,
&children_return, &nchildren_return))
parent_return=parent_return;//return;
Look at the outcommented return statement. I decided to return from that
function instead of the NOP.
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Clang and Gcc-4.9 complaint about some unused variables here
and there. And who are we to not make a compiler happy :)
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the -1 in the FbTk::FbTimer::remainingNext() function was pointless in the
first place anyway: reducing the timeout by just 1 microsecond improves
nothing (in this case). if the timer triggers exactly at a full unit (second)
then it's correct to wait for the full next unit.
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the lag / skipping of the clock was not caused by faulty timer code
on fluxbox's side but by the behavior and inner workings of time().
since this is fixed now (913244789f) we can now rollback ec7fe513c8
and detect strftime-formats which need intervals of seconds or minutes.
minor: the small change to FbTk::Timer::setTimeout() reduces one
start() / stop() cycle for a running timer.
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This commit fixes primarily a race condition that occurs when xinit(1) shuts
down: by not acting properly fluxbox gets caught in an infinite loop. It
caused bug #1100.
xinit(1) sends a SIGHUP signal to all processes. fluxbox tries to shutdown
itself properly by shutting down workspaces and screens. While doing that, the
Xserver might be gone already. Additionally, fluxbox used to restart() itself
on SIGHUP, which is clearly not the right thing to do when xinit(1) is about
to end the session.
So, fluxbox does this:
* handling SIGHUP now shuts down fluxbox without clearing workspaces and
screens.
* A 2 second alarm() is triggered in Fluxbox::shutdown() as a last resort
* XSetIOErrorHandler() is used to recognize the disconnect from the xserver.
* SIGUSR1 is for restarting fluxbox, SIGUSR2 for reloading the config
* FbTk/SignalHandler.cc/hh is gone; this unused abstraction served currently
no real purpose. Signal handling is now done in main.cc
* Unrelated to the issue itself src/main.cc was trimmed down quite a bit and
the code (responsible for handling the command line interface) was moved to
src/cli*
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usually $HOME is set when fluxbox runs. in some rare scenarios (eg., fuzzying
binaries to detect bugs) one could launch fluxbox by using 'env -i' and thus
eliminating $HOME from the environment. to prevent crashes fluxbox uses now
'getpwuid()' when $HOME is not set to detect the home folder.
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Detecting very long window titles is done via FbTk::TextUtils::doAlignment().
Instead of removing one char from the title at a time to see if it fits into a
given 'max_width', we now use a binary-search like approach to get faster to
the right value. This massively improves the speed for windows with
(arbitrary) long window titles (see bug #1090, javascript
document.title = new Array(4999).join(".");
leads to massive waiting for fluxbox to detect that this window has a very
long title).
In addition to that Xft returns 'wrapped' shorts ('integer overflows') for
long texts: XGlpyhInfo.xOff is declared as signed short, it's able to hold
~32k pixels. A monospace font with font-size 10 produces an integer
overflow after 3276 chars / glyphs, thus rendering the check
if (text_width < max_width) { /* ... */ }
pointless and leading rendering the whole title. By calculating some kind of
upper limit for a pseudo-wide glyph ("WW") and strictly cutting off the input
string at that limit prevents this issue.
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This rather large change will attempts to make 'make' to work better.
See excellent paper 'Recursive Make Considered Harmful' by Peter Miller
for further explanation why several make files is worse than one for
whole project.
Note. The tests are build with 'make check' rather than defining TEST.
Reference: http://miller.emu.id.au/pmiller/books/rmch/
Reference: http://karelzak.blogspot.co.uk/2013/02/non-recursive-automake.html
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This commit alters XRANDR (X Resize And Rotate) extension dependency,
which is expected to have at least version 1.4. Earlier old versions of
xrandr were supported, at least to some extent.
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The earlier _GNU_SOURCE definitions possibly did not take effect
everywhere where it was intended.
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Do not try to be too smart which compilations need config.h, as most of
them will simply because of the config.h has information about system
capabilities.
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For odd 'widths' and 'heigths' the texture would not be filled completely:
Given a 'width' of 5 we would render only 4 instances of x (-2, 1, 0, 1)
instead of the needed 5. This results in a texture which looks a bit cut off
to the bottom right side.
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I forgot this piece in 779618e45d4571bb6a4866aa2e398780f4b4da5d.
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The buffer for some gradients does not have to be width * height big when two
lines are sufficient.
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