On 11/26/22 8:24 PM, Aruna Hewapathirane via lazarus wrote:
After asking for help on the Lazarus forum I twiddled with the font size and
then it displayed the tree lines perfectly but I would like to know if there is
a way to do this using a TListView without having to be stuck with a Monospace
font and a specific font size?
no, there is not really any way to do this without using a monospace font...
terminals are monospace by design... their resolutions are represented by the
cols*rows of their characters... eg: 80*24, 80*43, 132*24, 132*43...
each character is in a cell that has a fixed width and height... some common
cell sizes are 9*12, 9*14, 9*16, 6*12... these are not pixels, though... pixels
were not a thing when these were designed... they are basically dots in a raster
cell... these cells are what are counted for terminal resolutions because each
cell holds one character and terminals are character based, not pixel based...
not only do you have the vertical spacing but also the horizontal... note in
your image that your column spacing is off so that needs to be fixed, too...
note how your proportional spacing image cannot properly align the columns of
information... FSTYPE, FSVER, LABEL, UUID, FSAVAIL, FSUSE%, and MOUNTPOINT...
if you are going to replicate the output of a terminal on a graphic canvas,
monospace fonts are the best and easiest way... especially if you are going to
easily deal with tabular output and column alignment... this because you don't
have to do any extra work to get everything aligned properly...
then there's the aesthetics... personally speaking, seeing, for example, the
UUID column in proportional font would drive me bananananananananas...
columnar/tabular data is meant to be displayed in a fixed width format...
proportional fonts simply cannot properly do that...
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