--============================================================================== -- seamod_rings.lua -- -- Date : 05/02/2012 -- Author : SeaJey -- Version : v0.1 -- License : Distributed under the terms of GNU GPL version 2 or later -- -- This version is a modification of lunatico_rings.lua wich is modification of conky_orange.lua -- -- conky_orange.lua: http://gnome-look.org/content/show.php?content=137503&forumpage=0 -- lunatico_rings.lua: http://gnome-look.org/content/show.php?content=142884 --============================================================================== require 'cairo' -------------------------------------------------------------------------------- -- gauge DATA gauge = { { name='cpu', arg='cpu0', max_value=100, x=70, y=130, graph_radius=54, graph_thickness=5, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=64, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='', caption_weight=1, caption_size=9.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3, }, { name='cpu', arg='cpu1', max_value=100, x=70, y=130, graph_radius=48, graph_thickness=5, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=40, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='', caption_weight=1, caption_size=9.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3, }, { name='cpu', arg='cpu2', max_value=100, x=70, y=130, graph_radius=20, graph_thickness=5, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=30, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='', caption_weight=1, caption_size=9.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3, }, { name='cpu', arg='cpu3', max_value=100, x=70, y=130, graph_radius=14, graph_thickness=5, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=4, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='', caption_weight=1, caption_size=9.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3, }, { name='memperc', arg='', max_value=100, x=70, y=300, graph_radius=54, graph_thickness=10, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=42, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=23, graduation_thickness=0, graduation_mark_thickness=2, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5, caption='', caption_weight=1, caption_size=10.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3, }, { name='fs_used_perc', arg='/mnt/ASHARE', max_value=100, x=70, y=470, graph_radius=54, graph_thickness=7, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=64, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=23, graduation_thickness=0, graduation_mark_thickness=2, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='Server', caption_weight=1, caption_size=12.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5, }, { name='fs_used_perc', arg='/home/', max_value=100, x=70, y=470, graph_radius=42, graph_thickness=7, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=32, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=23, graduation_thickness=0, graduation_mark_thickness=2, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='Home', caption_weight=1, caption_size=12.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5, }, { name='fs_used_perc', arg='/', max_value=100, x=70, y=470, graph_radius=30, graph_thickness=7, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=1.0, txt_radius=22, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=23, graduation_thickness=0, graduation_mark_thickness=2, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='Root', caption_weight=1, caption_size=12.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5, }, { name='downspeedf', arg='enp2s0', max_value=100, x=70, y=660, graph_radius=54, graph_thickness=7, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=0, txt_radius=64, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='Down', caption_weight=1, caption_size=12.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5, }, { name='upspeedf', arg='enp2s0', max_value=100, x=70, y=660, graph_radius=42, graph_thickness=7, graph_start_angle=180, graph_unit_angle=2.7, graph_unit_thickness=2.7, graph_bg_colour=0xffffff, graph_bg_alpha=0.1, graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.3, hand_fg_colour=0xEF5A29, hand_fg_alpha=0, txt_radius=30, txt_weight=0, txt_size=9.0, txt_fg_colour=0xEF5A29, txt_fg_alpha=1.0, graduation_radius=28, graduation_thickness=0, graduation_mark_thickness=1, graduation_unit_angle=27, graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3, caption='Up', caption_weight=1, caption_size=12.0, caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.5, }, } ------------------------------------------------------------------------------- -- rgb_to_r_g_b -- converts color in hexa to decimal -- function rgb_to_r_g_b(colour, alpha) return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha end ------------------------------------------------------------------------------- -- angle_to_position -- convert degree to rad and rotate (0 degree is top/north) -- function angle_to_position(start_angle, current_angle) local pos = current_angle + start_angle return ( ( pos * (2 * math.pi / 360) ) - (math.pi / 2) ) end ------------------------------------------------------------------------------- -- draw_gauge_ring -- displays gauges -- function draw_gauge_ring(display, data, value) local max_value = data['max_value'] local x, y = data['x'], data['y'] local graph_radius = data['graph_radius'] local graph_thickness, graph_unit_thickness = data['graph_thickness'], data['graph_unit_thickness'] local graph_start_angle = data['graph_start_angle'] local graph_unit_angle = data['graph_unit_angle'] local graph_bg_colour, graph_bg_alpha = data['graph_bg_colour'], data['graph_bg_alpha'] local graph_fg_colour, graph_fg_alpha = data['graph_fg_colour'], data['graph_fg_alpha'] local hand_fg_colour, hand_fg_alpha = data['hand_fg_colour'], data['hand_fg_alpha'] local graph_end_angle = (max_value * graph_unit_angle) % 360 -- background ring cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, 0), angle_to_position(graph_start_angle, graph_end_angle)) cairo_set_source_rgba(display, rgb_to_r_g_b(graph_bg_colour, graph_bg_alpha)) cairo_set_line_width(display, graph_thickness) cairo_stroke(display) -- arc of value local val = value % (max_value + 1) local start_arc = 0 local stop_arc = 0 local i = 1 while i <= val do start_arc = (graph_unit_angle * i) - graph_unit_thickness stop_arc = (graph_unit_angle * i) cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc)) cairo_set_source_rgba(display, rgb_to_r_g_b(graph_fg_colour, graph_fg_alpha)) cairo_stroke(display) i = i + 1 end local angle = start_arc -- hand start_arc = (graph_unit_angle * val) - (graph_unit_thickness * 2) stop_arc = (graph_unit_angle * val) cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc)) cairo_set_source_rgba(display, rgb_to_r_g_b(hand_fg_colour, hand_fg_alpha)) cairo_stroke(display) -- graduations marks local graduation_radius = data['graduation_radius'] local graduation_thickness, graduation_mark_thickness = data['graduation_thickness'], data['graduation_mark_thickness'] local graduation_unit_angle = data['graduation_unit_angle'] local graduation_fg_colour, graduation_fg_alpha = data['graduation_fg_colour'], data['graduation_fg_alpha'] if graduation_radius > 0 and graduation_thickness > 0 and graduation_unit_angle > 0 then local nb_graduation = graph_end_angle / graduation_unit_angle local i = 0 while i < nb_graduation do cairo_set_line_width(display, graduation_thickness) start_arc = (graduation_unit_angle * i) - (graduation_mark_thickness / 2) stop_arc = (graduation_unit_angle * i) + (graduation_mark_thickness / 2) cairo_arc(display, x, y, graduation_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc)) cairo_set_source_rgba(display,rgb_to_r_g_b(graduation_fg_colour,graduation_fg_alpha)) cairo_stroke(display) cairo_set_line_width(display, graph_thickness) i = i + 1 end end -- text local txt_radius = data['txt_radius'] local txt_weight, txt_size = data['txt_weight'], data['txt_size'] local txt_fg_colour, txt_fg_alpha = data['txt_fg_colour'], data['txt_fg_alpha'] local movex = txt_radius * math.cos(angle_to_position(graph_start_angle, angle)) local movey = txt_radius * math.sin(angle_to_position(graph_start_angle, angle)) cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, txt_weight) cairo_set_font_size (display, txt_size) cairo_set_source_rgba (display, rgb_to_r_g_b(txt_fg_colour, txt_fg_alpha)) cairo_move_to (display, x + movex - (txt_size / 2), y + movey + 3) cairo_show_text (display, value) cairo_stroke (display) -- caption local caption = data['caption'] local caption_weight, caption_size = data['caption_weight'], data['caption_size'] local caption_fg_colour, caption_fg_alpha = data['caption_fg_colour'], data['caption_fg_alpha'] local tox = graph_radius * (math.cos((graph_start_angle * 2 * math.pi / 360)-(math.pi/2))) local toy = graph_radius * (math.sin((graph_start_angle * 2 * math.pi / 360)-(math.pi/2))) cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, caption_weight); cairo_set_font_size (display, caption_size) cairo_set_source_rgba (display, rgb_to_r_g_b(caption_fg_colour, caption_fg_alpha)) cairo_move_to (display, x + tox + 5, y + toy + 1) -- bad hack but not enough time ! if graph_start_angle < 105 then cairo_move_to (display, x + tox - 30, y + toy + 1) end cairo_show_text (display, caption) cairo_stroke (display) end ------------------------------------------------------------------------------- -- go_gauge_rings -- loads data and displays gauges -- function go_gauge_rings(display) local function load_gauge_rings(display, data) local str, value = '', 0 str = string.format('${%s %s}',data['name'], data['arg']) str = conky_parse(str) value = tonumber(str) draw_gauge_ring(display, data, value) end for i in pairs(gauge) do load_gauge_rings(display, gauge[i]) end end ------------------------------------------------------------------------------- -- MAIN function conky_main() if conky_window == nil then return end local cs = cairo_xlib_surface_create(conky_window.display, conky_window.drawable, conky_window.visual, conky_window.width, conky_window.height) local display = cairo_create(cs) local updates = conky_parse('${updates}') update_num = tonumber(updates) if update_num > 5 then go_gauge_rings(display) end cairo_surface_destroy(cs) cairo_destroy(display) end