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Add left/right scrolling for flows list table to make
possible see all the columns with a smaller display size.
Handle 'Left' & 'Right' keypress to scroll left or right.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Render each column to the ncurses raw buffer first, this buffer
contains ncurses {char:attr} elements which will be printed
to the screen after ui_table_row_show() will
be called (at the end of columns rendering by flowtop).
The reason of this change is to have easy way to
make horizontal scrolling over this buffer.
Approach is used from the 'htop' tool.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Fill table with empty rows while clearing.
It will allow to get rid of clear() & refresh() each time
before print the flows list.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Add new module ui.c which is responsible to render
different kinds of UI widgets - tables, etc.
Implemented generic API for print table-like list of elements.
This table API might be used for print flows in curses or text mode.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
[tk: change bug_on(true) to bug(), whitespace fix]
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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