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conky-config
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conky-config/drawing/Common.lua

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local M = {}
local Arc = require 'Arc'
local Text = require 'Text'
local CriticalText = require 'CriticalText'
local TextColumn = require 'TextColumn'
local Line = require 'Line'
local LabelPlot = require 'LabelPlot'
local ScalePlot = require 'ScalePlot'
local HEADER_HEIGHT = 45
local HEADER_FONT_SIZE = 15
-- TODO move all this font stuff to the theme file
-- local HEADER_FONT_SLANT = CAIRO_FONT_SLANT_NORMAL
-- local HEADER_FONT_WEIGHT = CAIRO_FONT_WEIGHT_BOLD
local HEADER_UNDERLINE_CAP = CAIRO_LINE_CAP_ROUND
local HEADER_UNDERLINE_OFFSET = -20
local HEADER_UNDERLINE_THICKNESS = 3
M.make_font_spec = function(f, s, bold)
return {
family = f,
size = s,
weight = bold and CAIRO_FONT_WEIGHT_BOLD or CAIRO_FONT_WEIGHT_NORMAL,
slant = CAIRO_FONT_WEIGHT_NORMAL,
}
end
M.normal_font_spec = M.make_font_spec(_G_Patterns_.FONT, 13, false)
M.label_font_spec = M.make_font_spec(_G_Patterns_.FONT, 8, false)
M.left_text_style = _G_Widget_.text_style(
M.normal_font_spec,
_G_Patterns_.INACTIVE_TEXT_FG,
'left',
'center'
)
M.right_text_style = _G_Widget_.text_style(
M.normal_font_spec,
_G_Patterns_.PRIMARY_FG,
'right',
'center'
)
local _bare_text = function(pt, text, style)
return _G_Widget_.plainText(pt, text, style)
end
local _left_text = function(pt, text)
return _bare_text(pt, text, M.left_text_style)
end
local _right_text = function(pt, text)
return _bare_text(pt, text, M.right_text_style)
end
--------------------------------------------------------------------------------
-- header
M.Header = function(x, y, w, s)
-- TODO what's the point of bottom_y?
local bottom_y = y + HEADER_HEIGHT
local underline_y = bottom_y + HEADER_UNDERLINE_OFFSET
local obj = {
-- text = _G_Widget_.Text{
-- x = x,
-- y = y,
-- text = s,
-- font_spec = M.make_font_spec(_G_Patterns_.FONT, HEADER_FONT_SIZE, true),
-- -- font_size = HEADER_FONT_SIZE,
-- x_align = 'left',
-- y_align = 'top',
-- text_color = _G_Patterns_.HEADER_FG,
-- -- slant = HEADER_FONT_SLANT,
-- -- weight = HEADER_FONT_WEIGHT
-- },
text = _G_Widget_.plainText(
_G_Widget_.make_point(x, y),
s,
_G_Widget_.text_style(
M.make_font_spec(_G_Patterns_.FONT, HEADER_FONT_SIZE, true),
_G_Patterns_.HEADER_FG,
'left',
'top'
)
),
bottom_y = bottom_y,
-- underline = _G_Widget_.Line{
-- p1 = {x = x, y = underline_y},
-- p2 = {x = x + w, y = underline_y},
-- thickness = HEADER_UNDERLINE_THICKNESS,
-- line_pattern = _G_Patterns_.HEADER_FG,
-- cap = HEADER_UNDERLINE_CAP
-- }
underline = _G_Widget_.Line(
_G_Widget_.make_point(x, underline_y),
_G_Widget_.make_point(x + w, underline_y),
_G_Widget_.line_style(
HEADER_UNDERLINE_THICKNESS,
_G_Patterns_.HEADER_FG,
HEADER_UNDERLINE_CAP
)
)
}
return obj
end
M.drawHeader = function(cr, header)
Text.draw(header.text, cr)
Line.draw(header.underline, cr)
end
--------------------------------------------------------------------------------
-- label plot
M.initThemedLabelPlot = function(x, y, w, h)
return _G_Widget_.LabelPlot{
x = x,
y = y,
width = w,
height = h,
outline_pattern = _G_Patterns_.BORDER_FG,
intrvl_pattern = _G_Patterns_.BORDER_FG,
data_line_pattern = _G_Patterns_.PLOT_FILL_BORDER_PRIMARY,
data_fill_pattern = _G_Patterns_.PLOT_FILL_BG_PRIMARY,
label_color = _G_Patterns_.INACTIVE_TEXT_FG,
label_font_spec = M.label_font_spec,
}
end
--------------------------------------------------------------------------------
-- percent plot (label plot with percent signs and some indicator data above it)
M.initPercentPlot = function(x, y, w, h, spacing, label)
return {
-- label = _G_Widget_.Text{
-- x = x,
-- y = y,
-- text = label,
-- x_align = 'left',
-- text_color = _G_Patterns_.INACTIVE_TEXT_FG,
-- font_spec = M.normal_font_spec,
-- },
label = _left_text(_G_Widget_.make_point(x, y), label),
value = _G_Widget_.formattedThresholdText(
_G_Widget_.make_point(x + w, y),
nil,
M.right_text_style,
'%s%%',
_G_Widget_.threshold_text_style(
_G_Patterns_.CRITICAL_FG,
80
)
),
-- value = _G_Widget_.CriticalText{
-- x = x + w,
-- y = y,
-- x_align = 'right',
-- y_align = 'center',
-- append_end = '%',
-- critical_limit = 80,
-- text_color = _G_Patterns_.PRIMARY_FG,
-- critical_color = _G_Patterns_.PRIMARY_FG,
-- font_spec = M.normal_font_spec,
-- },
plot = M.initThemedLabelPlot(x, y + spacing, w, h),
}
end
M.percent_plot_draw_static = function(pp, cr)
Text.draw(pp.label, cr)
LabelPlot.draw_static(pp.plot, cr)
end
M.percent_plot_draw_dynamic = function(pp, cr)
CriticalText.draw(pp.value, cr)
LabelPlot.draw_dynamic(pp.plot, cr)
end
M.percent_plot_set = function(pp, cr, value)
Text.set(pp.value, cr, math.floor(value))
LabelPlot.update(pp.plot, value * 0.01)
end
--------------------------------------------------------------------------------
-- scaled plot
M.initThemedScalePlot = function(x, y, w, h, f)
return _G_Widget_.ScalePlot{
x = x,
y = y,
width = w,
height = h,
y_label_func = f,
outline_pattern = _G_Patterns_.BORDER_FG,
intrvl_pattern = _G_Patterns_.BORDER_FG,
data_line_pattern = _G_Patterns_.PLOT_FILL_BORDER_PRIMARY,
data_fill_pattern = _G_Patterns_.PLOT_FILL_BG_PRIMARY,
label_color = _G_Patterns_.INACTIVE_TEXT_FG,
label_font_spec = M.label_font_spec,
}
end
--------------------------------------------------------------------------------
-- scaled plot (with textual data above it)
M.initLabeledScalePlot = function(x, y, w, h, f, spacing, label)
return {
-- label = _G_Widget_.Text{
-- x = x,
-- y = y,
-- text = label,
-- x_align = 'left',
-- text_color = _G_Patterns_.INACTIVE_TEXT_FG,
-- font_spec = M.normal_font_spec,
-- },
label = _left_text(
_G_Widget_.make_point(x, y),
label
),
-- value = _G_Widget_.Text{
-- x = x + w,
-- y = y,
-- x_align = 'right',
-- text_color = _G_Patterns_.PRIMARY_FG,
-- font_spec = M.normal_font_spec,
-- },
value = _right_text(
_G_Widget_.make_point(x + w, y),
label
),
plot = M.initThemedScalePlot(x, y + spacing, w, h, f),
}
end
M.annotated_scale_plot_draw_static = function(asp, cr)
Text.draw(asp.label, cr)
end
M.annotated_scale_plot_draw_dynamic = function(asp, cr)
Text.draw(asp.value, cr)
ScalePlot.draw_dynamic(asp.plot, cr)
end
M.annotated_scale_plot_set = function(asp, cr, text_value, plot_value)
-- TODO this could be made more intelligent
Text.set(asp.value, cr, text_value)
ScalePlot.update(asp.plot, cr, plot_value)
end
--------------------------------------------------------------------------------
-- ring
M.initRing = function(x, y, r)
return _G_Widget_.Arc(
_G_Widget_.make_semicircle(
_G_Widget_.make_point(x, y),
r,
0,
360
),
_G_Widget_.arc_style(
2,
_G_Patterns_.BORDER_FG
)
)
end
--------------------------------------------------------------------------------
-- ring with text data in the center
M.initTextRing = function(x, y, r, fmt, limit)
return {
ring = M.initRing(x, y, r),
-- value = _G_Widget_.CriticalText{
-- x = x,
-- y = y,
-- x_align = 'center',
-- y_align = 'center',
-- append_end = append_end,
-- critical_limit = limit,
-- text_color = _G_Patterns_.PRIMARY_FG,
-- critical_color = _G_Patterns_.CRITICAL_FG,
-- font_spec = M.normal_font_spec,
-- },
value = _G_Widget_.formattedThresholdText(
_G_Widget_.make_point(x, y),
nil,
_G_Widget_.text_style(
M.normal_font_spec,
_G_Patterns_.PRIMARY_FG,
'center',
'center'
),
fmt,
_G_Widget_.threshold_text_style(
_G_Patterns_.CRITICAL_FG,
limit
)
),
}
end
M.text_ring_draw_static = function(tr, cr)
Arc.draw(tr.ring, cr)
end
M.text_ring_draw_dynamic = function(tr, cr)
CriticalText.draw(tr.value, cr)
end
M.text_ring_set = function(tr, cr, value)
CriticalText.set(tr.value, cr, value)
end
--------------------------------------------------------------------------------
-- separator (eg a horizontal line)
M.initSeparator = function(x, y, w)
-- return _G_Widget_.Line{
-- p1 = {x = x, y = y},
-- p2 = {x = x + w, y = y},
-- line_pattern = _G_Patterns_.BORDER_FG,
-- }
return _G_Widget_.Line(
_G_Widget_.make_point(x, y),
_G_Widget_.make_point(x + w, y),
_G_Widget_.line_style(
1,
_G_Patterns_.BORDER_FG,
CAIRO_LINE_CAP_BUTT
)
)
end
--------------------------------------------------------------------------------
-- text row (label with a value, aligned as far apart as possible)
M.initTextRow = function(x, y, w, label)
return {
-- label = _G_Widget_.Text{
-- x = x,
-- y = y,
-- x_align = 'left',
-- text_color = _G_Patterns_.INACTIVE_TEXT_FG,
-- text = label,
-- font_spec = M.normal_font_spec,
-- },
label = _left_text(
_G_Widget_.make_point(x, y),
label
),
-- value = _G_Widget_.Text{
-- x = x + w,
-- y = y,
-- x_align = 'right',
-- text_color = _G_Patterns_.PRIMARY_FG,
-- text = "<NA>",
-- font_spec = M.normal_font_spec,
-- }
value = _right_text(
_G_Widget_.make_point(x + w, y),
nil
),
}
end
M.text_row_draw_static = function(row, cr)
Text.draw(row.label, cr)
end
M.text_row_draw_dynamic = function(row, cr)
Text.draw(row.value, cr)
end
M.text_row_set = function(row, cr, value)
Text.set(row.value, cr, value)
end
--------------------------------------------------------------------------------
-- text row with critical indicator
-- TODO add limit to this
M.initTextRowCrit = function(x, y, w, label, append_end, limit)
return{
-- label = _G_Widget_.Text{
-- x = x,
-- y = y,
-- text = label,
-- x_align = 'left',
-- text_color = _G_Patterns_.INACTIVE_TEXT_FG,
-- font_spec = M.normal_font_spec,
-- },
label = _left_text(
_G_Widget_.make_point(x, y),
label
),
-- value = _G_Widget_.CriticalText{
-- x = x + w,
-- y = y,
-- x_align = 'right',
-- y_align = 'center',
-- text_color = _G_Patterns_.PRIMARY_FG,
-- critical_color = _G_Patterns_.CRITICAL_FG,
-- critical_limit = limit,
-- append_end = append_end,
-- text = '<NA>',
-- font_spec = M.normal_font_spec,
-- }
value = _G_Widget_.formattedThresholdText(
_G_Widget_.make_point(x + w, y),
nil,
_G_Widget_.text_style(
M.normal_font_spec,
_G_Patterns_.PRIMARY_FG,
'right',
'center'
),
append_end,
_G_Widget_.threshold_text_style(
_G_Patterns_.CRITICAL_FG,
limit
)
)
}
end
M.text_row_crit_draw_static = M.text_row_draw_static
M.text_row_crit_draw_dynamic = function(row, cr)
CriticalText.draw(row.value, cr)
end
M.text_row_crit_set = function(row, cr, value)
CriticalText.set(row.value, cr, value)
end
--------------------------------------------------------------------------------
-- multiple text row separated by spacing
M.initTextRows = function(x, y, w, spacing, labels)
return {
labels = _G_Widget_.TextColumn(
-- x = x,
-- y = y,
-- spacing = spacing,
-- x_align = 'left',
-- y_align = 'center',
-- text_color = _G_Patterns_.INACTIVE_TEXT_FG,
-- font_spec = M.normal_font_spec,
-- table.unpack(labels),
_G_Widget_.make_point(x, y),
labels,
M.left_text_style,
nil,
spacing
),
-- values = _G_Widget_.TextColumn{
-- x = x + w,
-- y = y,
-- spacing = spacing,
-- x_align = 'right',
-- y_align = 'center',
-- text_color = _G_Patterns_.PRIMARY_FG,
-- font_spec = M.normal_font_spec,
-- num_rows = #labels,
-- }
values = _G_Widget_.initTextColumnN(
_G_Widget_.make_point(x + w, y),
#labels,
M.right_text_style,
nil,
spacing
)
}
end
M.text_rows_draw_static = function(rows, cr)
TextColumn.draw(rows.labels, cr)
end
M.text_rows_draw_dynamic = function(rows, cr)
TextColumn.draw(rows.values, cr)
end
M.text_rows_set = function(rows, cr, i, value)
TextColumn.set(rows.values, cr, i, value)
end
--------------------------------------------------------------------------------
-- table
M.initTable = function(x, y, w, h, n, labels)
return _G_Widget_.Table{
x = x,
y = y,
width = w,
height = h,
num_rows = n,
body_color = _G_Patterns_.INACTIVE_TEXT_FG,
header_color = _G_Patterns_.PRIMARY_FG,
line_pattern = _G_Patterns_.BORDER_FG,
separator_pattern = _G_Patterns_.BORDER_FG,
body_font_spec = M.make_font_spec(_G_Patterns_.FONT, 11, false),
header_font_spec = M.make_font_spec(_G_Patterns_.FONT, 11, false),
table.unpack(labels),
}
end
--------------------------------------------------------------------------------
-- panel
M.initPanel = function(x, y, w, h, thickness)
return _G_Widget_.FillRect(
_G_Widget_.make_box(
_G_Widget_.make_point(x, y),
w,
h
),
thickness,
_G_Patterns_.BORDER_FG,
_G_Patterns_.PANEL_BG
)
end
return M
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