1 | # Implementation of the status bar.
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2 |
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3 | #-------------------------------------------------------------------------------
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4 |
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5 | from common import *
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6 |
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7 | import mlx.const as const
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8 | from mlx.i18n import xstr
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9 |
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10 | import math
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11 | import time
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12 |
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13 | #-------------------------------------------------------------------------------
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14 |
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15 | class Statusbar(gtk.Frame, FlightStatusHandler):
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16 | """A status bar for the logger."""
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17 | def __init__(self):
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18 | """Construct the status bar."""
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19 | gtk.Frame.__init__(self)
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20 | FlightStatusHandler.__init__(self)
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21 |
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22 | self._connecting = False
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23 | self._connected = False
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24 |
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25 | self.set_shadow_type(gtk.ShadowType.NONE if pygobject
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26 | else gtk.SHADOW_NONE)
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27 |
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28 | frameAlignment = gtk.Alignment(xscale = 1.0, yscale = 1.0)
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29 |
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30 | frameAlignment.set_padding(padding_top = 2, padding_bottom = 2,
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31 | padding_left = 16, padding_right = 16)
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32 | self.add(frameAlignment)
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33 |
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34 | statusBox = gtk.HBox()
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35 | frameAlignment.add(statusBox)
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36 |
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37 | self._connStateArea = gtk.DrawingArea()
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38 | self._connStateArea.set_size_request(16, 16)
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39 | self._connStateArea.set_tooltip_markup(xstr("statusbar_conn_tooltip"))
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40 |
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41 | if pygobject:
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42 | self._connStateArea.connect("draw", self._drawConnState)
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43 | else:
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44 | self._connStateArea.connect("expose_event", self._drawConnState)
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45 |
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46 | alignment = gtk.Alignment(xalign = 0.5, yalign = 0.5)
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47 | alignment.add(self._connStateArea)
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48 |
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49 | statusBox.pack_start(alignment, False, False, 8)
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50 |
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51 | statusBox.pack_start(gtk.VSeparator(), False, False, 8)
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52 |
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53 | self._stageLabel = gtk.Label()
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54 | longestStage = xstr("flight_stage_" +
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55 | const.stage2string(const.STAGE_PUSHANDTAXI))
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56 | self._stageLabel.set_width_chars(len(longestStage) + 3)
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57 | self._stageLabel.set_tooltip_text(xstr("statusbar_stage_tooltip"))
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58 | self._stageLabel.set_alignment(0.0, 0.5)
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59 |
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60 | statusBox.pack_start(self._stageLabel, False, False, 8)
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61 |
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62 | statusBox.pack_start(gtk.VSeparator(), False, False, 8)
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63 |
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64 | self._timeLabel = gtk.Label("--:--:--")
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65 | self._timeLabel.set_width_chars(8)
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66 | self._timeLabel.set_tooltip_text(xstr("statusbar_time_tooltip"))
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67 | self._timeLabel.set_alignment(1.0, 0.5)
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68 |
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69 | statusBox.pack_start(self._timeLabel, False, False, 8)
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70 |
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71 | statusBox.pack_start(gtk.VSeparator(), False, False, 8)
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72 |
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73 | self._ratingLabel = gtk.Label()
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74 | self._ratingLabel.set_width_chars(12)
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75 | self._ratingLabel.set_tooltip_text(xstr("statusbar_rating_tooltip"))
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76 | self._ratingLabel.set_alignment(0.0, 0.5)
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77 |
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78 | statusBox.pack_start(self._ratingLabel, False, False, 8)
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79 |
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80 | self._busyLabel = gtk.Label()
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81 | self._busyLabel.set_width_chars(30)
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82 | self._busyLabel.set_tooltip_text(xstr("statusbar_busy_tooltip"))
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83 | self._busyLabel.set_alignment(1.0, 0.5)
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84 | statusBox.pack_start(self._busyLabel, True, True, 8)
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85 |
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86 | self._updateFlightStatus()
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87 | self.updateTime()
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88 |
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89 | def updateConnection(self, connecting, connected):
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90 | """Update the connection status."""
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91 | self._connecting = connecting
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92 | self._connected = connected
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93 | self._connStateArea.queue_draw()
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94 |
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95 | def updateBusyState(self, message):
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96 | """Update the busy state."""
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97 | self._busyLabel.set_text("" if message is None else message)
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98 |
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99 | def updateTime(self, t = None):
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100 | """Update the time"""
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101 | timeStr = "--:--:--" if t is None \
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102 | else time.strftime("%H:%M:%S", time.gmtime(t))
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103 |
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104 | self._timeLabel.set_text(timeStr)
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105 |
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106 | def _drawConnState(self, connStateArea, eventOrContext):
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107 | """Draw the connection state."""
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108 | context = eventOrContext if pygobject else connStateArea.window.cairo_create()
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109 |
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110 | if self._connecting:
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111 | if self._connected:
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112 | context.set_source_rgb(0.0, 1.0, 0.0)
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113 | else:
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114 | context.set_source_rgb(1.0, 0.0, 0.0)
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115 | else:
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116 | context.set_source_rgb(0.75, 0.75, 0.75)
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117 |
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118 | width = connStateArea.get_allocated_width() if pygobject \
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119 | else connStateArea.allocation.width
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120 | height = connStateArea.get_allocated_height() if pygobject \
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121 | else connStateArea.allocation.height
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122 | context.arc(width/2, height/2, width/2, 0, 2*math.pi)
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123 |
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124 | context.fill()
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125 |
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126 | def _updateFlightStatus(self):
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127 | """Update the flight status information."""
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128 | if self._stage is None:
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129 | text = "-"
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130 | else:
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131 | text = xstr("flight_stage_" + const.stage2string(self._stage)).upper()
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132 | self._stageLabel.set_text(text)
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133 |
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134 | if self._noGoReason is None:
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135 | rating = "%.0f%%" % (self._rating,)
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136 | else:
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137 | rating = '<span foreground="red">' + self._noGoReason + '</span>'
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138 | self._ratingLabel.set_markup(rating)
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