wizard/BCpuPage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of BeRTOS.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 # $Id$
  32 #
  33 # Author: Lorenzo Berni <duplo@develer.com>
  34 #
  35
  36
  37 from BWizardPage import *
  38 import bertos_utils
  39 import qvariant_converter
  40
  41 from const import *
  42
  43 class BCpuPage(BWizardPage):
  44     """
  45     Page of the wizard that permits to choose the cpu from the supported ones.
  46     """
  47
  48     def __init__(self):
  49         BWizardPage.__init__(self, UI_LOCATION + "/cpu_select.ui")
  50         self.setTitle(self.tr("Select the CPU"))
  51         self.freq_modified = False
  52
  53     ## Overloaded QWizardPage methods ##
  54
  55     def isComplete(self):
  56         """
  57         Overload of the QWizardPage isComplete method.
  58         """
  59         if self.pageContent.cpuList.currentRow() != -1:
  60             self.pageContent.frequencyLabel.setVisible(True)
  61             self.pageContent.frequencySpinBox.setVisible(True)
  62             infos = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))
  63             for key, value in infos.items():
  64                 if key in CPU_DEF:
  65                     if type(CPU_DEF[key]) == list:
  66                         infos[key] = qvariant_converter.getStringList(value)
  67                     if type(CPU_DEF[key]) == str or type(CPU_DEF) == unicode:
  68                         infos[key] = qvariant_converter.getString(value)
  69                 else:
  70                     del infos[key]
  71             self.setProjectInfo("CPU_INFOS", infos)
  72             self.setProjectInfo("CPU_NAME", unicode(self.pageContent.cpuList.currentItem().text()))
  73             self.setProjectInfo("SELECTED_FREQ", unicode(long(self.pageContent.frequencySpinBox.value())))
  74             tag_dict = self.projectInfo("ALL_CPU_TAGS")
  75             for tag in tag_dict:
  76                 if tag in infos["CPU_TAGS"] + [infos["CPU_NAME"], infos["TOOLCHAIN"]]:
  77                     tag_dict[tag] = True
  78                 else:
  79                     tag_dict[tag] = False
  80             self.setProjectInfo("ALL_CPU_TAGS", tag_dict)
  81             return True
  82         else:
  83             return False
  84
  85     ####
  86
  87     ## Overloaded BWizardPage methods ##
  88
  89     def setupUi(self):
  90         """
  91         Overload of the BWizardPage setupUi method.
  92         """
  93         self.pageContent.cpuList.setSortingEnabled(True)
  94         self.pageContent.descriptionLabel.setVisible(False)
  95         self.pageContent.descriptionLabel.setText("")
  96         self.pageContent.frequencyLabel.setVisible(False)
  97         self.pageContent.frequencySpinBox.setVisible(False)
  98
  99     def connectSignals(self):
 100         """
 101         Overload of the BWizardPage connectSignals method.
 102         """
 103         self.connect(self.pageContent.cpuList, SIGNAL("itemSelectionChanged()"), self.rowChanged)
 104         self.connect(self.pageContent.frequencySpinBox, SIGNAL("editingFinished()"), self.freqChanged)
 105
 106     def reloadData(self):
 107         """
 108         Overload of the BWizardPage reloadData method.
 109         """
 110         QApplication.instance().setOverrideCursor(Qt.WaitCursor)
 111         bertos_utils.loadSourceTree(self.project())
 112         self.populateCpuList()
 113         cpu_name = self.projectInfo("CPU_NAME")
 114         selected_freq = self.projectInfo("SELECTED_FREQ")
 115         self.setupUi()
 116         if cpu_name:
 117             self.selectItem(cpu_name)
 118             if selected_freq:
 119                 self.setFrequency(selected_freq)
 120                 self.freq_modified = True
 121         QApplication.instance().restoreOverrideCursor()
 122         self.emit(SIGNAL("completeChanged()"))
 123
 124     ####
 125
 126     ## Slots ##
 127
 128     def rowChanged(self):
 129         """
 130         Slot called when the user select an entry from the cpu list.
 131         """
 132         description = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DESC"]
 133         description = qvariant_converter.getStringList(description)
 134         if not self.freq_modified:
 135             # Retrieve the default cpu frequency when the value isn't already modified
 136             current_freq = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DEFAULT_FREQ"]
 137             current_freq = qvariant_converter.getString(current_freq)
 138             current_freq = long(current_freq.replace("U", "").replace("L", ""))
 139             self.pageContent.frequencySpinBox.setValue(long(current_freq))
 140         self.pageContent.descriptionLabel.setText("<br>".join(description))
 141         self.pageContent.descriptionLabel.setVisible(True)
 142         self.emit(SIGNAL("completeChanged()"))
 143
 144     def freqChanged(self):
 145         """
 146         Slot called when the user change the frequency value.
 147         """
 148         self.freq_modified = True
 149         self.emit(SIGNAL("completeChanged()"))
 150
 151     ####
 152
 153     def populateCpuList(self):
 154         """
 155         Fills the cpu list.
 156         """
 157         self.pageContent.cpuList.clear()
 158         self.pageContent.cpuList.setCurrentItem(None)
 159         infos = bertos_utils.loadCpuInfos(self.project())
 160         tag_list = bertos_utils.getTagSet(infos)
 161         # Create, fill and store the dict with the tags
 162         tag_dict = {}
 163         for element in tag_list:
 164             tag_dict[element] = False
 165         self.setProjectInfo("ALL_CPU_TAGS", tag_dict)
 166         for cpu in infos:
 167             item = QListWidgetItem(cpu["CPU_NAME"])
 168             item.setData(Qt.UserRole, qvariant_converter.convertDict(cpu))
 169             self.pageContent.cpuList.addItem(item)
 170
 171     def selectItem(self, cpu):
 172         """
 173         Selects the given cpu from the list.
 174         """
 175         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
 176         if len(elements) == 1:
 177             self.pageContent.cpuList.setCurrentItem(elements[0])
 178
 179     def setFrequency(self, frequency):
 180         self.pageContent.frequencySpinBox.setValue(long(frequency))