It is not always useful to distinguish between the cases when KiCad is
run from the build or the installation directory. E.g., the libraries
are generally not available in the same path as the code. Make the
evaluation of KICAD_RUN_FROM_BUILD_DIR conditional to accomodate these
scenarios.
1) Accept <enter> as OK if the multiline textbox isn't shown.
2) Focus and select all in first control if multiline textbox isn't shown.
3) Make title be title caps ("Edit Sheet name Field" looked dorky).
Fixes https://gitlab.com/kicad/code/kicad/issues/7940
If we keep doing design validations at two different places, they can
only start to drift apart. Board Setup should validate for malformed
data ONLY; everything else is the business of DRC.
This also fixes a bug where implementation validations would not allow
OK in the dialog, but wouldn't put up a message to say why. We now use
the InfoBar impl from Jon's commit for that.
Bitmaps are now identified by an enum class instead of by pointers.
Bitmap loading and caching is now handled by a class in common, and
we no longer compile most bitmaps into the binary, so there is no
longer a bitmaps static library.
Instead, bitmaps are archived to a .tar.gz file which is installed
in ${KICAD_DATA}/resources/images.tar.gz
The source PNGs are checked in to Git as the original CPP files were,
so that people can build without the required dependencies to convert
SVGs to PNGs.
Initial support is also added for dark theme icons, although this
is not yet exposed in the GUI.
Stubs are present for multi-resolution image resources, but this is
not fully-baked yet and could use some refinement.
Updates the Serbian language code from sr_RS to sr. This appears to
work as intended under Debian whereas the full code, despite existing in
the i18n directory was not recognized by wxWidgets or Weblate.
When updating the libtree, we modify the tree multiple times to avoid
crashes on Linux. These generated events that buffered while the widget
was frozen and resulted in redrawing the same footprint 4-10x.
This reduces the buffering by discarding events that are generated
during the freeze and only redrawing when there is a new footprint to
draw
The move tool can stack on others, so when we re-enter the previous tool
this caused another immediate action. We flag re-entry in the tool
stack to check for this and avoid unexpected tool starts
Vertex memory allocation uses malloc and realloc without checking the
result. Throw exceptions that can be caught in the DoRepaint() method
in EDA_DRAW_PANEL_GAL when malloc and realloc return a null pointer.
Add a reset button that will only show up if the user
edits the JSON configuration for grids. This is a temporary
measure until we have a real grid editor GUI in V7.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/7595
- remove ${COMMENT0}, that was broken (returned the same as ${COMPANY}.
- So ${COMMENT1} to ${COMMENT9} are only recognized for Comment1 to Comment9
in page settings dlg, and are equivalent to our old %C0 to %C8 format string
- fix a minor coding style issue.
Fixes#7642https://gitlab.com/kicad/code/kicad/issues/7642
Each symbol unit in eeschema has a unique identifier. But we don't have
a unique identifier for the entire symbol. So changing which symbol
instance was unit A (our default base for matching), changed the UUID
that we were using to match the footprints.
This commit adds all UUIDs to the netlist, allowing us to match symbol
to footprint without worrying about which unit is referenced.
This still does not handle changing different units on different sheets.
Fixes https://gitlab.com/kicad/code/kicad/issues/7604
The proposed overload did not compile on gcc and using adjustments to
get to compile by moving definition into cpp results in false positives.
This is removed until we can come up with a better solution and test
- Make DIALOG_SHIM::SetPosition working)
- rename PCB_BASE_FRAME::SelectLayer() to PCB_BASE_FRAME::SelectOneLayer()
- PCB_BASE_FRAME::SelectOneLayer(): make dismiss dialog by escape key working.
Fixes#7578https://gitlab.com/kicad/code/kicad/issues/7578
For some kinds of issues, we want a way to point them out but
we don't need to keep the user from being able to close the
dialog. A separate Validate button lets the user check for
issues if desired, but these issues are not "fatal" and can
be ignored if the user wishes.
The automatic wire tool was not working in the gridless mode because the
grid snapping on/off logic present in `EE_GRID_HELPER`, based on the
value of `m_enableGrid`, was not taking into account that another check,
but for the global KiCad setting, would be performed in the `Align()`
method, which is inherited from `GRID_HELPER`.
I've modified all tests of `m_enableGrid` value to also take the global
setting into account, and moved checks for it to `Align()` method, as
it's more consistent this way.
I've also removed an override of the `Align()` method in the
`PCB_GRID_HELPER` class, as it was made redundant by my changes.
Fixes https://gitlab.com/kicad/code/kicad/issues/7402
We had been using each 4th column of spaces. But we needed an absolute
spacing rather than relative to the existing text to match spacing
between the input text box and our stroke font
Can happen if someone hammers away on the probe and/or tune tools
without ever mousing over the schematic in between.
*May* fix the below bug.
Fixes https://gitlab.com/kicad/code/kicad/issues/6876
The variable `m_Initialized` in `BASE_SCREEN` is used by
`SCH_EDIT_FRAME` to mark whether a screen had its zoom level initialized
by the "zoom to fit screen" action. When this variable is `false`, the
function `SCH_EDIT_FRAME::DisplayCurrentSheet()` performs "zoom to fit
screen", modifying the zoom level. This function is indirectly called in
the undo routines, so if `m_Initialized` is not set to `true`, a zoom
change will occur when the user undoes an operation, a behavior that is
undesired.
`m_Initialized` was not initialized to `true` for the null schematic
(the schematic that is loaded if no project is loaded), causing the
aforementioned undesired behavior.
To prevent this, I've changed the `SCH_EDIT_FRAME` constructor to set
`m_Initialized` to `true`, since it zooms to fit screen already. I've
moved `m_Initialized` from `BASE_SCREEN` to `SCH_SCREEN`, as it is used
only in Eeschema, and renamed it to `m_zoomInitialized`, a name I
believe that better describes what this variable does.
I've also introduced the function `SCH_EDIT_FRAME::initScreenZoom()` to
group the "zoom to fit screen" action with setting `m_Initialized` to
`true`, as they often should occur together.
I'd also like to say that I'm not confident whether
`SCH_EDIT_FRAME::DisplayCurrentSheet()` should perform the zoom level
initialization at this point, but I have decided to not change this
behavior for now, as the commit history suggests it's several years old.
Fixes https://gitlab.com/kicad/code/kicad/issues/7343
New strategy isolates all draw/don't draw decisions to the ViewGetLOD
routines, and all dimmed/not dimmed to PCB_RENDER_SETTINGS::GetColor.
The actual drawing in PCB_PAINTER is more-or-less conditon free.
Also adds new layers for pad and via hole walls so that they can be
controlled for high-contrast mode.
Also changes the drawing paradigm so that the pads are drawn even when
not on the high contrast layer, just in low contrast. The hole wall
is drawn in high contrast. This actually makes things clearer to the
user (although to be honest was done to keep from having to re-render
pads when the high contrast layer changes since we have two separate
layers now that we can adjut colours on).
Fixes https://gitlab.com/kicad/code/kicad/issues/7328
They are used for chamfered round rect pads, and can be used for custom shaped pads.
No actual change currently, but the shape rotation of custom pads and chamfered rr pads
can be now used in gerber plots.
Closing the window while dragging with unsaved changes causes a dialog box, triggering a capture-lost event. Closing the window while dragging without unsaved changes causes an assertion about destroying a window with mouse capture.
Two issues found with the locking system used to prevent access to
stale connectivity data during the zone fill process:
1) a std::mutex has undefined behavior if you try to use it to guard
against access from the same thread. Because of the use of wx event
loops (and coroutines) it is entirely possible, and in some situations
inevitable, that the same thread will try to redraw the ratsnest in the
middle of zone refilling.
2) The mutex was only guarding the ZONE_FILLER::Fill method, but the callers
of that method also do connectivity updates as part of the COMMIT::Push.
Redrawing the ratsnest after the Fill but before the Push will result in
stale connectivity pointers to zone filled areas.
Fixed (1) by switching to a trivial spinlock implementation. Spinlocks would
generally not be desirable if the contention for the connectivity data crossed
thread boundaries, but at the moment I believe it's guaranteed that the reads
and writes to connectivity that are guarded by this lock happen from the main
UI thread. The writes are also quite rare compared to reads, and reads are
generally fast, so I'm not really worried about the UI thread spinning for any
real amount of time.
Fixed (2) by moving the locking location up to the call sites of
ZONE_FILLER::Fill.
This issue was quite difficult to reproduce, but I found a fairly reliable way:
It only happens (for me) on Windows, MSYS2 build, with wxWidgets 3.0
It also only happens if I restrict PcbNew to use 2 CPU cores.
With those conditions, I can reproduce the issue described in #6471 by
repeatedly editing a zone properties and changing its net. The crash is
especially easy to trigger if you press some keys (such as 'e' for edit)
while the progress dialog is displayed. It's easiest to do this in a debug
build as the slower KiCad is running, the bigger the window is to trigger this
bug.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/6471
Fixes https://gitlab.com/kicad/code/kicad/-/issues/7048
Many, many KIDIALOGs use OK/Cancel and then rename both buttons to
confirm or deny some action. In those cases we *do* want to store
the deny actions if they check "Do Not Show Again".
Fixes https://gitlab.com/kicad/code/kicad/issues/6979
These dialogs don't have growable features but do have conditional
features, so the size is better adjusted automatically by the code
then by the user.
So many things can go wrong with this control in GTK. We have to
collapse the tree when updating the search string to avoid a crash when
referencing a child object but collapsing the tree will iterate over
elements and crash when we have deleted a symbol.
The temporary fix for this nonsense is to carefully order the calls.
We only need to collapse the search tree if we are not keeping our state
(in other words if we are fully re-building the tree)
Fixes https://gitlab.com/kicad/code/kicad/issues/6910
Versions specific variables that may point to objects that change
through versions, allowing multiple KiCad versions to operate correctly
(even on MSW) on the same machine.
Also don't load the footprints up front. The whole purpose of the
footprint-info stuff is to have enough info about the footprints to
filter them *without* loading. After that just load individual
footprints as we need them.
Fixes https://gitlab.com/kicad/code/kicad/issues/6177
wxTextFile uses wxFile which uses write syscalls which means its unbuffered.
This makes file IO more expensive against network shares where it will flush far too aggressively.
wxTextFile is fine for reads however.
- pcbnew should use status bar on success like eeschema
- Add a helper to clear msgpanel and set it in one go to avoid redraw delays due to doing processing in between
- remove outdated code or comment coming from old drawing code using wxDC
- move zoom values lists to zoom_defines.h
- fix incorrect zoom max and min values (gal scaling factor limits).
We had some spurious bugs where both ends would get dragged to a
single point (making them disappear). While I never caught it
in the debugger, I'm guessing that the flags weren't getting
cleared properly or were getting overwritten or something. Anyway,
it now uses std::pair instead.
Fixes https://gitlab.com/kicad/code/kicad/issues/6550
Fixes https://gitlab.com/kicad/code/kicad/issues/6431
1) make sure we get the default netclass when we want it
2) escape for HTML (particularly important for "<invalid>", but also
for reporting user rule names, netclass names, etc.)
1) Separate out CONSTRAINT types
2) Filter both source and dest pads/vias for drilled holes when doing
hole-to-hole checks. We were checking the items being put into the
DRC RTree, but not the items we were scanning.
3) Add hole clearance to Board Setup Constraints panel.
Fixes https://gitlab.com/kicad/code/kicad/issues/6546
Fixes https://gitlab.com/kicad/code/kicad/issues/4683
So the new steals-focus protection stuff works well when there's a
focused control, but not as well when there's a modal dialog up which
happens not to have a focused control (or worse, a focusable control).
This adds a second mechanism for also checking to see if a modal dialog
is up (something that wxWidgets, true to form, makes very difficult).
Fixes https://gitlab.com/kicad/code/kicad/issues/6520
Rotate text using the Rotate90() function which gets the orientation
right.
Also, when calculating the center point for rotation, don't include
labels if the selection contains other stuff. It just makes the
rotation odd, and tends to cause walking when continuing to rotate
(due to keep-upright being non-symmetrical).
Fixes https://gitlab.com/kicad/code/kicad/issues/git
Copy to clipboard save items (using S expr description) using wide strings
(not UTF8 encoding).
But Paste from clipboard was not converting the wide string to UTF8 string
when getting the stored data to send it as std::string to the S expr reader.
Fixes#6449https://gitlab.com/kicad/code/kicad/issues/6449
It shows much more detail. Removes some nag dialogs and places
hypertext links in others.
Also fixes the auto-layer-showing to correctly show Edge.Cuts or
F.CrtYd or B.CrtYd for errors relating to them.
Fixes https://gitlab.com/kicad/code/kicad/issues/6446
1) Generalize SCH_ITEM owners (SCH_COMPONENT, SCH_SHEET, and now
SCH_GLOBALLABEL)
2) Generalize hypertext items
3) Use SCH_FIELD autoplace infrastructure for placing intersheet
references
4) Use textVar infrastructure for buildin intersheet references.
As an important side-effect this also fixes the undo issues with
intersheet refs.
On non-Unix, the platform selection is in platform.h, not on the command
line using the preprocessor macros from wx-config.
<wx/setup.h> relies on the platform being selected correctly, if it is
included directly, it cannot determine the correct configuration with
Visual Studio.
wxWidgets 3.1.5+ on Linux will compile with the Wayland EGL
canvas as the backend instead of the X11 backend. This requires a
version of GLEW compiled with the proper EGL defines and a different
header/code for certain parts that are X11 GLEW specific.
This introduces an in-tree version of GLEW that will be built with the
GLEW_EGL flag then statically linked into the KiCad executables when
EGL support is needed.
It was causing problems with surprising behaviour and issues with
allowing spaces in existing labels. We'll work on something better
for 7.0....
Fixes https://gitlab.com/kicad/code/kicad/issues/6073
1) Make sure that layer dependencies don't prevent us from drawing
drill marks.
2) Don't draw pad shapes when their particular layer isn't enabled
(a side effect from the above)
3) Allow the printout painter to set a different hole colour (the
special case for through-hole pads was handled twice anyway -- once
in LoadColors() and once in draw( D_PAD ).
4) Replace the call to getDrillSize() which handles swapping in the
small mark size if set.
Fixes https://gitlab.com/kicad/code/kicad/issues/4847
The groundwork has now been laid for per sheet instance data. Initially
this only supports sheet page numbers but could be expanded to include
other per sheet instance information.
ADDED: Support for user defined schematic page numbers.
Setting a line thickness = 0 for graphic objects (circle, rect, line) is
allowed but creates issues for circles that were plotted a non filled shapes
but having a outline thickness = 0.
Two main changes: netclass values need to go through the DRC engine
so they can interact with other rules. They're also now dependent
on the layer being routed as well as the start object.
Also make the controls adjust to each other better. For instance,
copy-track-width needs to turn off when you select a particular
track width, and a particular track width needs to zero out when
you choose copy-track-width.
Fixes https://gitlab.com/kicad/code/kicad/issues/5951
This will always show 1 unit from each system, with the primary unit
being the current frame unit and the secondary unit being the
most recent unit used from the other system. These are saved in
the settings, so they are saved between runs.
* Make the ruler able to switch to mils after creation
* Cleanup an unused flag in Pcbnew dimensions
* Move unit changed notification into EDA_DRAW_FRAME so more
frames to use it.
* Allow switching units when GerbView ruler tool is active
Switch Eeschema to use the built-in printing routines
because its precisions are close to those and it is
cleaner.
Give mils a precision of 2 decimal places to match
the precision shown in inches.
This uncovered a memory corruption bug in MODULE's move operator,
several bugs in MODULE's move and copy constructors, and a bug in
BOARD's GetItem() call.
It also bumps the file format for saving/restoring groups inside
footprints.
Using CopyFile() that can collide with a windows header create hard to
understand errors, including link errors.
Renaming this function avoids these strange errors.
Previously, init order depended on the ordering of the
tool state map, which is opaque from the point of view of
registration. This makes it challenging to make one tool's
init depend on another. With this change, registration
order defines init order.
They're only on screen when they're being used, and we don't have
a GAL available to calculate their actual extents from (since their
text scales with zoom).
Fixes https://gitlab.com/kicad/code/kicad/issues/5845
in most of files, including wx.h is not necessary, when only 2 or 3 wx files must be included.
Moreover, on windows, including wx.h sometimes create compil warnings about
shadowed vars defined in some specific windows headers.
When invoking "Break Track" from the RMB context menu, Pcbnew
gets and uses the current position of the mouse to figure out where to
break the track. The problem is that the mouse has to be moved to select
the "Break Track" menu item, and the mouse position used is wrong. This
can result in the break in the wrong location or not happening at all.
CHANGED: This commit determines if the "Break Track" was invoked from a
context menu or a hotkey. If a hotkey, it uses the current mosue position.
If a context menu, it uses the original postion of the mouse when the menu
was opened.
plotter.h contains now only a header common to all plotters.
The code does not actually change, but it allows modifying a specific plotter
without recompiling most of kicad files.
Also simplifies groups so that other areas of code that have to know
about them at least don't have to know as much. One of the simplifications
is to not worry so much about empty groups until save time; others are in
the access logic to parent groups.
Also simplifies user model slightly by removing Merge and Flatten
(which are just ungroup/group and ungroup/ungroup/.../group).
Also allows multiple groups to have the same name. This is useful when
using groups for a classification system.
Fixes https://gitlab.com/kicad/code/kicad/issues/5788
CHANGED: GetDocumentExtents() in 'eda_draw_frame.h' now has a bool
parameter "aIncludeAllVisible" with a default value "true" which makes
it behave as it did before adding parameter. If "aIncludeAllVisible"
is false, the returned bbox ignores some items depending on which
program it is running in.
CHANGED: Made "Zoom to Objects" use only PCB edge in Pcbnew. This
allows text, notes, etc outside the PCB edge to be excluded in the
zoom calculation.
CHANGED: Added "Zoom to Objects" to Pcbnew main menu, and to RMB context
menus for Eeschema and Pcbnew.
Fixes https://gitlab.com/kicad/code/kicad/issues/5787
The infobar changes the size of the visible screen, so adding/removing
it will shift the screen center, causing the position of onscreen
objects to move up/down. This changes the sizing to pin the bottom
corner position when showing/hiding the infobar
Fixes https://gitlab.com/kicad/code/kicad/issues/5776
ADDED memberOf() function for DRC rule expressions.
Also fixes a bug in several of the pickers where the event wasn't
being correctly passed.
Fixes https://gitlab.com/kicad/code/kicad/issues/5647
This changes the file format. All previous copper layers that had a user
defined name are forced back to the canonical name and the user defined
name is stored as an optional quoted string in the layer definition and
only used for UI and plotting purposes. All copper object layer names
are now the canonical name for internal file use.
ADDED: Nine new user definable non-copper layers that can be optionally
added to the board layer stack.
CHANGED: All board layers can now be renamed by the user.
CHANGED: User defined layer names can now contain space characters.
Fixes https://gitlab.com/kicad/code/kicad/issues/1969
ViewGetLOD() returns the minimal value of a zoom to show an item.
However a zoom is a double, and using int as minimal value does not
allows setting a correct value in some cases.
These settings objects could be created in a constructor/destructor
so we should catch the exception since those are noexcept.
Also change the settings trace to match the other kicad traces
as KICAD_SETTINGS
Also improves the SNR and consistency of the menu item text. For
instance, a position is rarely useful, while relative sizes can be.
Also removes some unnecessary repitition, such as "Graphic Rectangle"
when "Rectangle" communicates the necessary information.
Also fixes a bunch of naming issues, primarily with lowercase for
protected variables, but also some for consistency with other parts
of the code.
Also changes the zone fill radio buttons in Board Setup to be more
generic referring to legacy vs. current, and to have tooltips.
Fixes https://gitlab.com/kicad/code/kicad/issues/5583
CHANGED: The margin used in 'Zoom to Fit' is now 2% instead of 10%.
ADDED: Added 'Zoom to Objects' to Eeschema which does not include
the page and border in the bbox calculations.
CHANGED: Removed pre-existing code that tweaked the center to account
for the scrollbars. It actually made the view off center. Removing it
results in perfectly centered zooms.
Fixes https://gitlab.com/kicad/code/kicad/issues/5145
This is a board file format change to account for the new properties.
Also, we now only store the critical information about the dimension's
geometry in the board, rather than storing every drawn line.
The DIMENSION object is now an abstract base, and ALIGNED_DIMENSION
is the implementation that exists today (we will add more dimension
types in the future)
You can now enable and disable snap to grid when drawing/editing across
all apps. You can also tie snap to grid to the visibility of the grid
to allow rapid enable/disable via grid display.
There was a regression in v6 where the zoom to selection toolbar
item wasn't canceling the tool when pressed and the tool was active
(it was in v5). This implements a more generic framework for canceling
tools on button presses.
Fixes https://gitlab.com/kicad/code/kicad/issues/5103
Also moves to WX_GRID to get rid of some wxGrid bugs, and moves the
provision of attrs to the GRID_TABLE (as those applied to the grid
are ignored when a table is specified).
Fixes https://gitlab.com/kicad/code/kicad/issues/5260
For instance, we get things like high-contrast-mode from the pad
dialog when rendering a pad preview, but we want the colours from the
parent PCB_BASE_FRAME.
windowClosing() calls Destroy() when the wxCloseEvent has no veto.
This is fine for usual EDA_BASE_FRAME frames, but not for frames shown in modal mode.
In modal mode, windowClosing() should not call Destroy(), because the calling frame
expects the instance not deleted after closing.
(the caller has to call Destroy() only once the frame can be actually deleted)
The center point on polygons now maintains the axis of the dragged line
and, optionally with Ctrl pressed, maintains the slope of the adjacent
segments as well.
This also fixes a longstanding issue that prevented the ctrl-snapping
from using the original point rather than the last updated point when
constraining.
Fixes https://gitlab.com/kicad/code/kicad/issues/2465
This commit adds support for display origin transforms to the PCB_BASE_FRAME
class. This instantiates a PCB_ORIGIN_TRANSFORMS object, and overrides the
GetOriginTransforms method in the EDA_DRAW_FRAME class to reference it.
The formatting of the status line has been updated to display coordinates
relative to the user-selected origin, and with the coordinates increasing
in the user-selected direction.
This commit adds the user configuration options to support display
origin transforms to the PCB_DISPLAY_OPTIONS class. This data is
configured by the "Origins & Axes" preferences panel added in a
later commit.
This commit modifies the UNIT_BINDER class to invoke the ORIGIN_TRANSFORMS
methods to support Display Origin Transforms.
The EDA_DRAW_FRAME class is modified to instantiate an ORIGIN_TRANSFORMS
object providing null transforms. A function is provided to allow the
UNIT_BINDER to find the ORIGIN_TRANSFORMS object in an overrideable manner.
This commit adds the ORIGIN_TRANSFORMS class to support Display Origin
Transforms in all KiCad applications.
Functions are provided to perform four basic types of origin coordinate
transforms:
* Transform a relative coordinate from internal to display form
* Transform a relative coordinate from display to internal form
* Transform an absolute coordinate from internal to display form
* Transform an absolute coordinate from display to internal form
These functions are supported for data types "int", "long long int",
and "double". The default implementations for all but "int" simply
return their input unchanged; the implementation for "int" invokes
the implementation for "long long int".
The expectation is that the different KiCad applications will create
derived classes from this base class and override the functions as
needed. Protected template functions are provided for the standard
translations to maintain consistency within the derived classes.
Display warning infobar in the board/schematic setup when no project
is loaded, since most of the settings in those dialogs are saved in
the project and not in the board/schematic file.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/4868
Short net names are not unique; full names with paths must be used.
Added a grid cell renderer that does the escaping, to make it easier
to display net names in grid cells.
Once you unescape a net name, you can't go back to the escaped form
because you can't assume which `/` should be {slash} and which `/`
Because of this, we cannot use Unescape/Escape on the data model in
the netclass setup panel, and instead do the Unescape in the view.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/5331
This time remove the push/pop from the picker tools as that's
responsible for the issue of trying to re-activate the move action
when its popped. Instead do the push/pop from the client code
of other actions that need it, and not at all from the move-with-
reference action.
Fixes https://gitlab.com/kicad/code/kicad/issues/5336
* Make the app progress indicator only have the indeterminate state
when the taskbar indicator is used (causes an uused variable warning
on wx<3.1)
* Remove unused dry run variable in pcb_netlist.h
* Remove unused forceDropAnnotations from the paste special dialog
since the dialog only controls keeping them.
wxScrolledCanvas is not properly exported, so when we
add a wxGrid it has a chance of creating linker errors.
Including the wx/grid.h ensures that the linker does not
see two conflicting symbols between gal and the other
place where wxGrid is used.