DiskUsage: fix infinite loop when computing tab width

Stop when we have a solution that is within 1px of accurate. Since tab
width are rounded to the nearest pixel anyway, there is no need to
compute further, and this could otherwise never converge due to rounding
errors.

Fixes #15944.

DiskUsage: Fix CID 1288122

In hrev48870 I made some updates to DiskUsage which accidentally caused this
CID.

Both the volume and item pointers were going out of scope without being deleted
in the error case leading to a resource leak. This commit seeks to fix the
problem by creating these objects as late as possible after the error checking.

tempVolume, which, as it's name implies, is created temporarily on the stack is
used instead of volume up until the point that AddTab() requires a more
permanent heap-stored volume pointer. Same goes for the VolumeView and
VolumeTab. name is created temporarily on the stack as well which works
because it is copied when passed into VolumeView constructor by the grandparent
BHandler before going out of scope.

DiskUsage: Skip virtual volumes

so we don't see the 4.00Kib system and config tab.

DiskUsage: TabView flush to window border

http://postimg.org/image/izae7h1qd/

DiskUsage: Use an int32 instead of an int

for CountTabs() which returns an int32

DiskUsage: Style fixes

DiskUsage: align tab focus mark with label.

Fixes #6905.

DiskUsage: drawing artefact in TabView

DiskUsage: Truncating of tabs could lead to deadlock (#9170)

DiskUsage: added ability to cancel an ongoing scan. fixes #6801.

Also, progress now goes from 0.0 to 1.0 rather than from 0.00 to 100.00
(to avoid a * 100, followed by a / 100)

DiskUsage: Implement truncation in tabs labels

* To allow more devices to be shown and accessible within
DiskUsage, truncate the columns names if necessary.

Might help but not quite fix #6800.

Applied yet another localization patch from Jorma Karvonen. Fixes #7169.

Beside of localization task some refactoring was performed:
- strings, stored previously in resources were moved from resource definition
file to cpp files at the place of using;
- cleanup of resource definitions and Common.cpp/Common.h.

Additionall tasks, made by S.Zharski:
- the rests of resource handling tasks were purged out from Common.cpp/Common.h;
- Common.h renamed to DiskUsage.h;
- the rests of code from Common.cpp merged into DiskUsage.cpp;
- the preprocessor tricks and magics targeted mainly for resources support
were removed;
- some code style fixes and "internationalization style" fixes were made.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40493 a95241bf-73f2-0310-859d-f6bbb57e9c96

DiskUsage enhancement (ticket #3520)

* the volume are now displayed in tabs, mounting and unmounting volume adds and remove tabs accordingly
* the infos (file size, etc..) are now displayed below the graph
* node monitoring tells you when your current view is outdated. (the ticket suggested to adjust the view automatically, but I'll wait for comments on this first).
* Drag&Dropping a file on the graph changes the tabview to the tab representing the volume owning that file.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38958 a95241bf-73f2-0310-859d-f6bbb57e9c96

Fixes a ''virtual status_t BMenuItem::Invoke(BMessage*)' was hidden' warning.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37332 a95241bf-73f2-0310-859d-f6bbb57e9c96

Code style cleanup.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37331 a95241bf-73f2-0310-859d-f6bbb57e9c96

gcc4 build fixes.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27381 a95241bf-73f2-0310-859d-f6bbb57e9c96

(gcc4) local variable shadows a parameter

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27379 a95241bf-73f2-0310-859d-f6bbb57e9c96

Imported the nice disk usage tool "Guido" into the repo as "DiskUsage". Guido
was originally written by Mike Steed. The code was freely available from his
website at one point, which I am no longer able to find. I believe the license
was a kind of public domain, at least compatible with our MIT/X11 license.

The original code was well written with it's own coding style which was not
very far from the Haiku coding style. I have hopefully adopted it completely
to our coding style. While I did this, I came across several places with
comments for a minor bug which I was able to resolve all. I also found ways
to simplify certain places and I elliminated all non-necessary "inter-class
knowledge" which was used to directly access members of other classes which
should have been private.

All in all, this should be a nice little addition, a useful tool which I found
handy a lot of times. If I should not have added this without first consulting
everyone, please voice your disagreement, and it can be removed it again. It
is not part of the image yet.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27357 a95241bf-73f2-0310-859d-f6bbb57e9c96

DiskUsage: Fix CID 1288122

In hrev48870 I made some updates to DiskUsage which accidentally caused this
CID.

Both the volume and item pointers were going out of scope without being deleted
in the error case leading to a resource leak. This commit seeks to fix the
problem by creating these objects as late as possible after the error checking.

tempVolume, which, as it's name implies, is created temporarily on the stack is
used instead of volume up until the point that AddTab() requires a more
permanent heap-stored volume pointer. Same goes for the VolumeView and
VolumeTab. name is created temporarily on the stack as well which works
because it is copied when passed into VolumeView constructor by the grandparent
BHandler before going out of scope.

DiskUsage: Skip virtual volumes

so we don't see the 4.00Kib system and config tab.

DiskUsage: TabView flush to window border

http://postimg.org/image/izae7h1qd/

DiskUsage: Use an int32 instead of an int

for CountTabs() which returns an int32

DiskUsage: Style fixes

DiskUsage: align tab focus mark with label.

Fixes #6905.

DiskUsage: drawing artefact in TabView

DiskUsage: Truncating of tabs could lead to deadlock (#9170)

DiskUsage: added ability to cancel an ongoing scan. fixes #6801.

Also, progress now goes from 0.0 to 1.0 rather than from 0.00 to 100.00
(to avoid a * 100, followed by a / 100)

DiskUsage: Implement truncation in tabs labels

* To allow more devices to be shown and accessible within
DiskUsage, truncate the columns names if necessary.

Might help but not quite fix #6800.

Applied yet another localization patch from Jorma Karvonen. Fixes #7169.

Beside of localization task some refactoring was performed:
- strings, stored previously in resources were moved from resource definition
file to cpp files at the place of using;
- cleanup of resource definitions and Common.cpp/Common.h.

Additionall tasks, made by S.Zharski:
- the rests of resource handling tasks were purged out from Common.cpp/Common.h;
- Common.h renamed to DiskUsage.h;
- the rests of code from Common.cpp merged into DiskUsage.cpp;
- the preprocessor tricks and magics targeted mainly for resources support
were removed;
- some code style fixes and "internationalization style" fixes were made.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40493 a95241bf-73f2-0310-859d-f6bbb57e9c96

DiskUsage enhancement (ticket #3520)

* the volume are now displayed in tabs, mounting and unmounting volume adds and remove tabs accordingly
* the infos (file size, etc..) are now displayed below the graph
* node monitoring tells you when your current view is outdated. (the ticket suggested to adjust the view automatically, but I'll wait for comments on this first).
* Drag&Dropping a file on the graph changes the tabview to the tab representing the volume owning that file.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38958 a95241bf-73f2-0310-859d-f6bbb57e9c96

Fixes a ''virtual status_t BMenuItem::Invoke(BMessage*)' was hidden' warning.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37332 a95241bf-73f2-0310-859d-f6bbb57e9c96

Code style cleanup.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37331 a95241bf-73f2-0310-859d-f6bbb57e9c96

gcc4 build fixes.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27381 a95241bf-73f2-0310-859d-f6bbb57e9c96

(gcc4) local variable shadows a parameter

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27379 a95241bf-73f2-0310-859d-f6bbb57e9c96

Imported the nice disk usage tool "Guido" into the repo as "DiskUsage". Guido
was originally written by Mike Steed. The code was freely available from his
website at one point, which I am no longer able to find. I believe the license
was a kind of public domain, at least compatible with our MIT/X11 license.

The original code was well written with it's own coding style which was not
very far from the Haiku coding style. I have hopefully adopted it completely
to our coding style. While I did this, I came across several places with
comments for a minor bug which I was able to resolve all. I also found ways
to simplify certain places and I elliminated all non-necessary "inter-class
knowledge" which was used to directly access members of other classes which
should have been private.

All in all, this should be a nice little addition, a useful tool which I found
handy a lot of times. If I should not have added this without first consulting
everyone, please voice your disagreement, and it can be removed it again. It
is not part of the image yet.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27357 a95241bf-73f2-0310-859d-f6bbb57e9c96