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The old style handling had a lot edge cases where one of the
colours or the attribute wouldn't get applied correctly. This
commit adds a new style_set() method to the Ui which should be
called instead of manually touching a cell's style. This also
means that the Cell struct can be made opaque since all the
handling is now done inside the ui-terminal files.
With this it is now viable to combine the light and dark 16 colour
themes into a single base-16 theme. This theme works very well
with the Linux virtual console and will now be the default theme
regardless of if the terminal supports 256 colours or not. This
should address the common complaints about vis not respecting the
users default terminal colours.
fixes #1151: Theming is sometimes partially applied or ignored
see #1103: terminal no longer has transparency/opacity
see #1040: Transparent background and setting options by default
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The first point of this commit is to allow all options to be read from
lua. This has a number of uses for plugin writers. They are grouped into
a couple of tables depending on what they control:
`vis.options`: table with global configuration
`win.options`: table with window specific configuration
The second point is to allow you to set all these options as if they
were simply lua variables. Technically this is already possible by
using `vis:command("set ...")` but personally I think this interface
is cleaner. Note that this already possible for some things like the
current mode (eg. vis.mode = vis.modes.VISUAL). Examples:
`vis.options.ai = true`
`win.options.brk = " !?."`
`win.options = { showeof = true, showtabs = true }
There are a number of related issues and pull requests:
closes #803: Lua API: let plugins read the values of options
closes #812: Window layout property
supersedes/closes #717: Add ability to access tabwidth from Lua
supersedes/closes #1066: expose UI layout and allow it to be set from lua API
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this is contolled by the wrapcolumn/wc and breakat/brk options
related #142: Word wrap and line breaks
related #932: Vis for Prose?
related #1092: Disabling line wrapping
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In restructured text double backquotes are used for inline literals.
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With the current model the differences between normal and visual mode
is that in the latter selections are anchored (meaning one endpoint
remains fixed), while in normal mode both endpoints can in principle
be updated simultaneously (currently they are always colapsed to a
singleton selection, giving the impression of cursors).
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This window local register holds the last active selections.
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Conflicts:
view.c
view.h
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Dispose all invalid and merge all overlapping selections.
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This unifies cursors and selections. The cursor are now represendted
as singleton selections.
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Now that register.h is no longer used by view.h we can move the struct
and function declarations to vis-core.h.
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Decouple register content from cursors. Previously each cursor had
exactly one corresponding register. Now each register can save a
list of values whose lifetime is not tied to the cursor.
If multiple cursors exist and a put with a register holding only
a single value is performed, then this value is inserted at every
cursor location. If there are fewer values available than cursors,
then only the matching ones will be used. If a register holding
multiple values is inserted in a single cursor context, only the
first value will be used. Another option would be to join all
existing values. The details of this behavior might be changed
in the future.
<C-r> in insert mode has not yet been adapted and register handling
in general needs to be cleaned up further.
Fix #527
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Use pull instead of push based model for display code. Previously view.c
was calling into the ui frontend code, with the new scheme this switches
around: the necessary data is fetched by the ui as necessary.
The UI independent display code is moved out of view.c/ui-curses.c into
vis.c. The cell styles are now directly embedded into the Cell struct.
New UI styles are introduced for:
- status bar (focused / non-focused)
- info message
- window separator
- EOF symbol
You will have to update your color themes.
The terminal output code is further abstracted into a generic ui-terminal.c
part which keeps track of the whole in-memory cell matrix and #includes
ui-terminal-curses.c for the actual terminal output. This architecture
currently assumes that there are no overlapping windows. It will also
allow non-curses based terminal user interfaces.
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Can be NULL if no cursor is associated with the given selection (this is
currently never the case).
Avoids a loop through all cursors when clearing selections.
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At least one cursor (referred to as primary or main cursor) has always
to exist. In the sam command language implementation we might want to
dispose a cursor even if it is the primary one before later commands
will create different ones (e.g. `:x/pattern/ { i/>>>/ a/<<</ }`).
This commit introduces view_cursors_dispose_force. If called on
the last remaining cursor, its selection is cleared and it is marked for
destruction as soon as a new cursor is created. view_cursor_disposed
returns the cursor marked for deletion (if any) and clears the descruction
flag.
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Make cursor placement after scrolling (half) pages up/down less arbitrary.
Close #390, fix #391
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Make window status bar content configurable via Lua.
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