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Use the correct background colour when using white-on-black.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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For some operations it is necessary to process all objects in an expo.
Provide an iterator to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The only way to create an expo at present is by calling the functions to
create each object. It is useful to have more data-driven approach, where
the objects can be specified in a suitable file format and created from
that. This makes testing easier as well.
Add support for describing an expo in a devicetree node. This allows more
complex tests to be set up, as well as providing an easier format for
users. It also provides a better basis for the upcoming configuration
editor.
Signed-off-by: Simon Glass <sjg@chromium.org>
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It looks better if menus have a bit of an inset, rather than be drawn hard
up against the background. Also, menu items look better if they have a bit
of spacing between them.
Add theme options for these and implement the required changes.
Signed-off-by: Simon Glass <sjg@chromium.org>
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When a menu is opened, it must be displayed over all other objects in
the scene, so that all its items are visible.
Handle this by drawing the menu object a second time, after all other
objects have been drawn. Draw all of the objects which are dependent
on the menu object.
Signed-off-by: Simon Glass <sjg@chromium.org>
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It is a pain to manually set the fonts of all objects to be consistent.
Some spacing settings are also better set globally than by manually
positioning each object.
Add a 'theme' to the expo, to hold this information. For now it includes
only the font size.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Provide a way to set the full dimensions of objects, i.e. including the
width and height.
For menus, calculate the bounding box of all objects in the menu. Set all
labels to be the same size, so that highlighting works correct, once
implemented.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Provide a way to set this value so that it is easy to separate the
statically allocated IDs (generated by the caller) from those
generated dynamically by expo itself.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This feature is different enough from bootstd that it probably deserves
its own log category. It cannot use a uclass since it is not a device.
Add a new category.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Rename this function to match its peers, using the full "expo' prefix.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This should ideally be done once after all scene changes have been made.
Require an explicit call when everything is ready.
Always arrange after a key it sent, just for convenience.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Rather than finding this each time, keep a pointer to it. This simplifies
the code a little.
Signed-off-by: Simon Glass <sjg@chromium.org>
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An expo is a way of presenting and collecting information from the
user. It consists of a collection of 'scenes' of which only one is
presented at a time. An expo is typically used to show a boot menu
and allow settings to be changed.
One created, the same expo can be automatically presented in graphical
form using a vidconsole, or in text form on a serial console.
Add an initial implementation of the expo itself. Supports for scenes
and objects is provided later.
Signed-off-by: Simon Glass <sjg@chromium.org>
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