365 lines
15 KiB
Lua
365 lines
15 KiB
Lua
--==============================================================================
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-- seamod_rings.lua
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--
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-- Date : 05/02/2012
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-- Author : SeaJey
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-- Version : v0.1
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-- License : Distributed under the terms of GNU GPL version 2 or later
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--
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-- This version is a modification of lunatico_rings.lua wich is modification of conky_orange.lua
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--
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-- conky_orange.lua: http://gnome-look.org/content/show.php?content=137503&forumpage=0
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-- lunatico_rings.lua: http://gnome-look.org/content/show.php?content=142884
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--==============================================================================
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require 'cairo'
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--------------------------------------------------------------------------------
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-- gauge DATA
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gauge = {
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{
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name='cpu', arg='cpu0', max_value=100,
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x=70, y=130,
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graph_radius=54,
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graph_thickness=5,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=64,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='',
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caption_weight=1, caption_size=9.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
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},
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{
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name='cpu', arg='cpu1', max_value=100,
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x=70, y=130,
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graph_radius=48,
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graph_thickness=5,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=40,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='',
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caption_weight=1, caption_size=9.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
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},
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{
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name='cpu', arg='cpu2', max_value=100,
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x=70, y=130,
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graph_radius=20,
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graph_thickness=5,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=30,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='',
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caption_weight=1, caption_size=9.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
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},
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{
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name='cpu', arg='cpu3', max_value=100,
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x=70, y=130,
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graph_radius=14,
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graph_thickness=5,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=4,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='',
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caption_weight=1, caption_size=9.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
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},
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{
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name='memperc', arg='', max_value=100,
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x=70, y=300,
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graph_radius=54,
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graph_thickness=10,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=42,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=23,
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graduation_thickness=0, graduation_mark_thickness=2,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
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caption='',
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caption_weight=1, caption_size=10.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
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},
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{
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name='fs_used_perc', arg='/home/', max_value=100,
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x=70, y=470,
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graph_radius=42,
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graph_thickness=7,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=32,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=23,
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graduation_thickness=0, graduation_mark_thickness=2,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='Home',
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caption_weight=1, caption_size=12.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5,
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},
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{
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name='fs_used_perc', arg='/', max_value=100,
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x=70, y=470,
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graph_radius=30,
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graph_thickness=7,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0,
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txt_radius=22,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=23,
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graduation_thickness=0, graduation_mark_thickness=2,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='Root',
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caption_weight=1, caption_size=12.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5,
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},
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{
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name='downspeedf', arg='wlp3s0', max_value=100,
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x=70, y=660,
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graph_radius=54,
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graph_thickness=7,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=0,
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txt_radius=64,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='Down',
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caption_weight=1, caption_size=12.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5,
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},
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{
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name='upspeedf', arg='wlp3s0', max_value=100,
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x=70, y=660,
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graph_radius=42,
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graph_thickness=7,
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graph_start_angle=180,
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graph_unit_angle=2.7, graph_unit_thickness=2.7,
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graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
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graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3,
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hand_fg_colour=0xEF5A29, hand_fg_alpha=0,
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txt_radius=30,
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txt_weight=0, txt_size=9.0,
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txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0,
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graduation_radius=28,
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graduation_thickness=0, graduation_mark_thickness=1,
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graduation_unit_angle=27,
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graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
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caption='Up',
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caption_weight=1, caption_size=12.0,
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caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5,
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},
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}
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-------------------------------------------------------------------------------
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-- rgb_to_r_g_b
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-- converts color in hexa to decimal
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--
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function rgb_to_r_g_b(colour, alpha)
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return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
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end
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-------------------------------------------------------------------------------
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-- angle_to_position
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-- convert degree to rad and rotate (0 degree is top/north)
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--
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function angle_to_position(start_angle, current_angle)
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local pos = current_angle + start_angle
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return ( ( pos * (2 * math.pi / 360) ) - (math.pi / 2) )
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end
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-------------------------------------------------------------------------------
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-- draw_gauge_ring
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-- displays gauges
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--
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function draw_gauge_ring(display, data, value)
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local max_value = data['max_value']
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local x, y = data['x'], data['y']
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local graph_radius = data['graph_radius']
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local graph_thickness, graph_unit_thickness = data['graph_thickness'], data['graph_unit_thickness']
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local graph_start_angle = data['graph_start_angle']
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local graph_unit_angle = data['graph_unit_angle']
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local graph_bg_colour, graph_bg_alpha = data['graph_bg_colour'], data['graph_bg_alpha']
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local graph_fg_colour, graph_fg_alpha = data['graph_fg_colour'], data['graph_fg_alpha']
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local hand_fg_colour, hand_fg_alpha = data['hand_fg_colour'], data['hand_fg_alpha']
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local graph_end_angle = (max_value * graph_unit_angle) % 360
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-- background ring
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cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, 0), angle_to_position(graph_start_angle, graph_end_angle))
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cairo_set_source_rgba(display, rgb_to_r_g_b(graph_bg_colour, graph_bg_alpha))
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cairo_set_line_width(display, graph_thickness)
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cairo_stroke(display)
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-- arc of value
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local val = value % (max_value + 1)
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local start_arc = 0
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local stop_arc = 0
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local i = 1
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while i <= val do
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start_arc = (graph_unit_angle * i) - graph_unit_thickness
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stop_arc = (graph_unit_angle * i)
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cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
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cairo_set_source_rgba(display, rgb_to_r_g_b(graph_fg_colour, graph_fg_alpha))
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cairo_stroke(display)
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i = i + 1
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end
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local angle = start_arc
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-- hand
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start_arc = (graph_unit_angle * val) - (graph_unit_thickness * 2)
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stop_arc = (graph_unit_angle * val)
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cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
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cairo_set_source_rgba(display, rgb_to_r_g_b(hand_fg_colour, hand_fg_alpha))
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cairo_stroke(display)
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-- graduations marks
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local graduation_radius = data['graduation_radius']
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local graduation_thickness, graduation_mark_thickness = data['graduation_thickness'], data['graduation_mark_thickness']
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local graduation_unit_angle = data['graduation_unit_angle']
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local graduation_fg_colour, graduation_fg_alpha = data['graduation_fg_colour'], data['graduation_fg_alpha']
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if graduation_radius > 0 and graduation_thickness > 0 and graduation_unit_angle > 0 then
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local nb_graduation = graph_end_angle / graduation_unit_angle
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local i = 0
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while i < nb_graduation do
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cairo_set_line_width(display, graduation_thickness)
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start_arc = (graduation_unit_angle * i) - (graduation_mark_thickness / 2)
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stop_arc = (graduation_unit_angle * i) + (graduation_mark_thickness / 2)
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cairo_arc(display, x, y, graduation_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
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cairo_set_source_rgba(display,rgb_to_r_g_b(graduation_fg_colour,graduation_fg_alpha))
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cairo_stroke(display)
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cairo_set_line_width(display, graph_thickness)
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i = i + 1
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end
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end
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-- text
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local txt_radius = data['txt_radius']
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local txt_weight, txt_size = data['txt_weight'], data['txt_size']
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local txt_fg_colour, txt_fg_alpha = data['txt_fg_colour'], data['txt_fg_alpha']
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local movex = txt_radius * math.cos(angle_to_position(graph_start_angle, angle))
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local movey = txt_radius * math.sin(angle_to_position(graph_start_angle, angle))
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cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, txt_weight)
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cairo_set_font_size (display, txt_size)
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cairo_set_source_rgba (display, rgb_to_r_g_b(txt_fg_colour, txt_fg_alpha))
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cairo_move_to (display, x + movex - (txt_size / 2), y + movey + 3)
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cairo_show_text (display, value)
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cairo_stroke (display)
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-- caption
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local caption = data['caption']
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local caption_weight, caption_size = data['caption_weight'], data['caption_size']
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local caption_fg_colour, caption_fg_alpha = data['caption_fg_colour'], data['caption_fg_alpha']
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local tox = graph_radius * (math.cos((graph_start_angle * 2 * math.pi / 360)-(math.pi/2)))
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local toy = graph_radius * (math.sin((graph_start_angle * 2 * math.pi / 360)-(math.pi/2)))
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cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, caption_weight);
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cairo_set_font_size (display, caption_size)
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cairo_set_source_rgba (display, rgb_to_r_g_b(caption_fg_colour, caption_fg_alpha))
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cairo_move_to (display, x + tox + 5, y + toy + 1)
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-- bad hack but not enough time !
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if graph_start_angle < 105 then
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cairo_move_to (display, x + tox - 30, y + toy + 1)
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end
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cairo_show_text (display, caption)
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cairo_stroke (display)
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end
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-------------------------------------------------------------------------------
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-- go_gauge_rings
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-- loads data and displays gauges
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--
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function go_gauge_rings(display)
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local function load_gauge_rings(display, data)
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local str, value = '', 0
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str = string.format('${%s %s}',data['name'], data['arg'])
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str = conky_parse(str)
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value = tonumber(str)
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draw_gauge_ring(display, data, value)
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end
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for i in pairs(gauge) do
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load_gauge_rings(display, gauge[i])
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end
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end
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-------------------------------------------------------------------------------
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-- MAIN
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function conky_main()
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if conky_window == nil then
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return
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end
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local cs = cairo_xlib_surface_create(conky_window.display, conky_window.drawable, conky_window.visual, conky_window.width, conky_window.height)
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local display = cairo_create(cs)
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local updates = conky_parse('${updates}')
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update_num = tonumber(updates)
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if update_num > 5 then
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go_gauge_rings(display)
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end
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cairo_surface_destroy(cs)
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cairo_destroy(display)
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end
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