Jin LiuandGitHub
493365b028
* Add ImageMagick Clock plugin ImageMagick Clock draws a custom clock using ImageMagick (or any other CLI image drawing tool). * Address review comments * Update thumbnail * Add description to image_width/height settings * Guard the mv command to fix race condition * Handle time jump (resume from sleep)
92 lines
3.2 KiB
Luau
92 lines
3.2 KiB
Luau
local CMDLINE_TEMPLATE = noctalia.getConfig("command_line")
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local IMAGE_WIDTH = noctalia.getConfig("image_width")
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local IMAGE_HEIGHT = noctalia.getConfig("image_height")
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local OUTPUT_DIR = noctalia.pluginDataDir()
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local CURRENT_CLOCK_FACE_PATH = OUTPUT_DIR .. "/current.png"
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local NEXT_CLOCK_FACE_PATH = OUTPUT_DIR .. "/next.png"
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local generatingClockFace = false
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local movingClockFace = false
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local nextClockFaceReady = false
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local nextClockFaceTimestamp = nil
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local function drawClockFace(timestamp)
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if generatingClockFace then
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return
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end
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generatingClockFace = true
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local cmdline = string.gsub(CMDLINE_TEMPLATE, "%%output_file", NEXT_CLOCK_FACE_PATH)
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cmdline = os.date(cmdline, timestamp)
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-- print("Running command: " .. cmdline)
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noctalia.runAsync(cmdline, function(result)
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generatingClockFace = false
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nextClockFaceTimestamp = timestamp
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if result.exitCode == 0 then
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nextClockFaceReady = true
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else
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print("Error generating clock face: " .. result.stderr .. " (command: " .. cmdline .. ") " .. "output: " .. result.stdout)
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nextClockFaceReady = false
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end
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end)
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end
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local function drawCurrentClockFace()
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local timestamp = os.time()
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local time = os.date("*t", timestamp)
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local currentTimestamp = timestamp - time.sec
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-- print("Drawing current clock face at " .. os.date("%H:%M:%S", nextTimestamp))
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drawClockFace(currentTimestamp)
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end
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local function drawNextClockFace()
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local timestamp = os.time()
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local time = os.date("*t", timestamp)
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local nextTimestamp = timestamp - time.sec + 60
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-- print("Drawing next clock face at " .. os.date("%H:%M:%S", nextTimestamp))
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drawClockFace(nextTimestamp)
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end
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function update()
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local timestamp = os.time()
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if generatingClockFace or movingClockFace or (nextClockFaceTimestamp and timestamp < nextClockFaceTimestamp and timestamp >= nextClockFaceTimestamp - 60) then
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return
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end
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if not nextClockFaceTimestamp or timestamp >= nextClockFaceTimestamp + 60 or timestamp < nextClockFaceTimestamp - 60 then
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-- Next clock face unavailable (startup), or doesn't match current time (resume from sleep, or system clock changed).
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-- Either case, draw the current clock face immediately.
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drawCurrentClockFace()
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return
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end
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if nextClockFaceReady then
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nextClockFaceReady = false
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movingClockFace = true
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noctalia.runAsync("mv -f '" .. NEXT_CLOCK_FACE_PATH .. "' '" .. CURRENT_CLOCK_FACE_PATH .. "'", function(result)
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movingClockFace = false
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if result.exitCode == 0 then
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barWidget.setImage(CURRENT_CLOCK_FACE_PATH, true, IMAGE_WIDTH, IMAGE_HEIGHT)
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else
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print("Error moving new clock face: " .. result.stderr .. " (command: mv -f " .. NEXT_CLOCK_FACE_PATH .. " " .. CURRENT_CLOCK_FACE_PATH .. ") " .. "output: " .. result.stdout)
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end
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drawNextClockFace()
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end)
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else
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drawNextClockFace()
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end
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end
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function onClick()
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noctalia.runAsync("noctalia msg panel-toggle control-center calendar", function(result)
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if result.exitCode ~= 0 then
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print("Error toggling calendar panel: " .. result.stderr .. " (command: noctalia msg panel-toggle control-center calendar) " .. "output: " .. result.stdout)
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end
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end)
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end
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noctalia.setUpdateInterval(1000)
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