Initial commit

First track CpuFreqDisplay

.gitignore

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+*~
+*.swp
+*.zip

CpuFreqDisplay/Makefile

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+
+all: uninstall zipfile
+	plasmapkg -i ../CpuFreqDisplay.zip
+
+uninstall:
+	plasmapkg -r CpuFreqDisplay
+
+zipfile:metadata.desktop contents/code/main.py
+	zip -r ../CpuFreqDisplay.zip . -x *~ contents/code/main.py~ .*

CpuFreqDisplay/contents/code/main.py

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+# Written by Grissiom chaos.proton@gmail.com
+
+# This script is inspired by ruby-cpufreq plasmoid and released under GPL
+# license. It noly goal is to display CPU frequency. If you want to do CPU
+# scaling, try PowerDevil.
+
+import subprocess as sp
+
+from PyQt4.QtCore import QTimer, Qt, SIGNAL
+#from PyQt4.QtGui import QFont
+
+from PyKDE4.plasma import Plasma
+from PyKDE4 import plasmascript
+
+class CpuFreqDisplay(plasmascript.Applet):
+	def __init__(self, parent, args = None):
+		plasmascript.Applet.__init__(self, parent)
+
+	def init(self):
+		self.setHasConfigurationInterface(False)
+		self.setAspectRatioMode(Plasma.IgnoreAspectRatio)
+
+		# from plasmaengineexplorer, solidservice seems not working on my box.
+		# FIXME: What if the box is signal cored or cores with different frequency?
+		f = sp.Popen(["cat", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"],
+				close_fds = True, stdout = sp.PIPE).stdout
+		afreq = f.readlines()[0].split(' ')[:-1]# the last byte is '\n'
+		self.afreq = map(int, afreq)
+		self.afreq.sort()
+		self.update_freq()
+
+		self.timer = QTimer(self)
+		self.connect(self.timer, SIGNAL('timeout()'), self.update_freq)
+		self.timer.start(1000)
+
+	def update_freq(self):
+		f = sp.Popen(["cat", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"],
+				close_fds = True, stdout = sp.PIPE).stdout
+		self.cfreq = int(f.readlines()[0])
+
+	def paintInterface(self, p, option, rect):
+		p.save()
+		if self.cfreq == self.afreq[0]:
+			self.color = Qt.green
+		elif self.cfreq == self.afreq[-1]:
+			self.color = Qt.red
+		else:
+			self.color = Qt.yellow
+		if self.cfreq > 1000000:
+			text = "%dGHz" % (self.cfreq / 1000000.0)
+		else:
+			text = "%dMHz" % (self.cfreq / 1000.0)
+
+		# TODO:optimization should goes here
+		font = p.font()
+		ps = font.pixelSize()
+		p.setFont(font)
+		while p.boundingRect(rect, Qt.AlignTop | Qt.AlignLeft, text).width() < rect.width()\
+		      and p.boundingRect(rect, Qt.AlignTop | Qt.AlignLeft, text).height() < rect.height():
+			ps += 1
+			font.setPixelSize(ps)
+		p.setFont(font)
+
+		p.setPen(self.color)
+		p.drawText(rect, Qt.AlignTop | Qt.AlignLeft,  text)
+		p.restore()
+
+def CreateApplet(p):
+	return CpuFreqDisplay(p)

CpuFreqDisplay/metadata.desktop

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+[Desktop Entry]
+Encoding=UTF-8
+Name=CpuFreqDisplay
+Type=Service
+ServiceTypes=Plasma/Applet
+
+X-Plasma-API=python
+X-Plasma-MainScript=code/main.py
+X-KDE-PluginInfo-Author=Grissiom
+X-KDE-PluginInfo-Email=chaos.proton@gmail.com
+X-KDE-PluginInfo-Name=CpuFreqDisplay
+X-KDE-PluginInfo-Version=0.01
+X-KDE-PluginInfo-Website=http://plasma.kde.org/
+X-KDE-PluginInfo-Category=Examples
+X-KDE-PluginInfo-Depends=
+X-KDE-PluginInfo-License=GPL
+X-KDE-PluginInfo-EnabledByDefault=true