395 lines
12 KiB
Python
395 lines
12 KiB
Python
# ===============================================================================
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# PyfaGauge is a generic Gauge implementation tailored for pyfa (the Python
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# Fitting Assistant). It uses the easeOutQuad equation from
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# caurina.transitions.Tweener to do animations
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#
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# ToDo: make SetGradient(<value, colour start, colour end)
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# ToDo: make a solid gradient (not to->from and not dependant on value)
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# ToDo: fix 0 range (currently resets range to 0.01, but this causes problems if
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# we really set range at 0.01). Perhaps make it -1 and test percentage as
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# a negativeor something.
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# ToDo: possibly devise a way to determine transition percents on init
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# (currently hardcoded)
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#
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# ===============================================================================
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import copy
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import wx
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from gui.utils import anim_effects, color as color_utils, draw
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class PyGauge(wx.Window):
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def __init__(self, parent, font, max_range=100, size=(-1, 30), *args,
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**kargs):
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super().__init__(parent, size=size, *args, **kargs)
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self._size = size
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self._border_colour = wx.BLACK
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self._bar_colour = None
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self._bar_gradient = None
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self._border_padding = 0
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self._max_range = max_range
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self._value = 0
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self._fraction_digits = 0
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self._timer_id = wx.NewId()
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self._timer = None
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self._oldValue = 0
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self._anim_duration = 500
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self._anim_step = 0
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self._period = 20
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self._anim_value = 0
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self._anim_direction = 0
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self.anim_effect = anim_effects.OUT_QUAD
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# transition colors used based on how full (or overfilled) the gauge is.
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self.transition_colors = [
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(wx.Colour(191, 191, 191), wx.Colour(96, 191, 0)), # < 0-100%
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(wx.Colour(191, 167, 96), wx.Colour(255, 191, 0)), # < 100-101%
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(wx.Colour(255, 191, 0), wx.Colour(255, 128, 0)), # < 101-103%
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(wx.Colour(255, 128, 0), wx.Colour(255, 0, 0)) # < 103-105%
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]
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self.gradient_effect = -35
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self._percentage = 0
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self._old_percentage = 0
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self._show_remaining = False
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self.font = font
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self.SetBackgroundColour(wx.Colour(51, 51, 51))
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self._tooltip = wx.ToolTip("0.00/100.00")
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self.SetToolTip(self._tooltip)
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self.Bind(wx.EVT_PAINT, self.OnPaint)
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self.Bind(wx.EVT_TIMER, self.OnTimer)
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self.Bind(wx.EVT_ENTER_WINDOW, self.OnWindowEnter)
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self.Bind(wx.EVT_LEAVE_WINDOW, self.OnWindowLeave)
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self.SetBackgroundStyle(wx.BG_STYLE_PAINT)
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def OnEraseBackground(self, event):
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pass
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def OnWindowEnter(self, event):
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self._show_remaining = True
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self.Refresh()
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def OnWindowLeave(self, event):
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self._show_remaining = False
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self.Refresh()
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def GetBorderColour(self):
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return self._border_colour
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def SetBorderColour(self, colour):
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self._border_colour = colour
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def GetBarColour(self):
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return self._bar_colour
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def SetBarColour(self, colour):
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self._bar_colour = colour
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def SetFractionDigits(self, digits):
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self._fraction_digits = digits
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def GetBarGradient(self):
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if self._bar_gradient is None:
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return None
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return self._bar_gradient[0]
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def SetBarGradient(self, gradient=None):
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if gradient is None:
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self._bar_gradient = None
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else:
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if not isinstance(gradient, list):
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self._bar_gradient = [gradient]
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else:
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self._bar_gradient = list(gradient)
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def GetBorderPadding(self):
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return self._border_padding
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def SetBorderPadding(self, padding):
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self._border_padding = padding
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def GetRange(self):
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""" Returns the maximum value of the gauge. """
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return self._max_range
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def Animate(self):
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# sFit = Fit.getInstance()
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if True:
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if not self._timer:
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self._timer = wx.Timer(self, self._timer_id)
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self._anim_step = 0
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self._timer.Start(self._period)
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else:
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self._anim_value = self._percentage
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self.Refresh()
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def SetRange(self, range, reinit=False, animate=True):
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"""
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Sets the range of the gauge. The gauge length is its
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value as a proportion of the range.
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"""
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if self._max_range == range:
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return
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# we cannot have a range of zero (laws of physics, etc), so we set it
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if range <= 0:
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self._max_range = 0.01
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else:
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self._max_range = range
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if reinit is False:
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self._old_percentage = self._percentage
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self._percentage = (self._value / self._max_range) * 100
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else:
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self._old_percentage = self._percentage
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self._percentage = 0
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self._value = 0
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if animate:
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self.Animate()
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self._tooltip.SetTip("%.2f/%.2f" % (self._value, self._max_range if self._max_range > 0.01 else 0))
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def GetValue(self):
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return self._value
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def SetValue(self, value, animate=True):
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""" Sets the current position of the gauge. """
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if self._value == value:
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return
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self._old_percentage = self._percentage
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self._value = value
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if value < 0:
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self._value = 0
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self._percentage = (self._value / self._max_range) * 100
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if animate:
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self.Animate()
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self._tooltip.SetTip("%.2f/%.2f" % (self._value, self._max_range))
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def SetValueRange(self, value, range, reinit=False):
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""" Set both value and range of the gauge. """
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range_ = float(range)
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if range_ <= 0:
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self._max_range = 0.01
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else:
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self._max_range = range_
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value = float(value)
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self._value = value
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if value < 0:
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self._value = float(0)
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if reinit is False:
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self._old_percentage = self._percentage
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self._percentage = (self._value / self._max_range) * 100
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else:
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self._old_percentage = self._percentage
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self._percentage = 0
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self.Animate()
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self._tooltip.SetTip("%.2f/%.2f" %
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(self._value, self._max_range if float(self._max_range) > 0.01 else 0))
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def OnPaint(self, event):
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dc = wx.AutoBufferedPaintDC(self)
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rect = self.GetClientRect()
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dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
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dc.Clear()
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colour = self.GetBackgroundColour()
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dc.SetBrush(wx.Brush(colour))
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dc.SetPen(wx.Pen(colour))
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dc.DrawRectangle(rect)
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value = self._percentage
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if self._timer:
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if self._timer.IsRunning():
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value = self._anim_value
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if self._border_colour:
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dc.SetPen(wx.Pen(self.GetBorderColour()))
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dc.DrawRectangle(rect)
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pad = 1 + self.GetBorderPadding()
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rect.Deflate(pad, pad)
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if self.GetBarColour():
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# if we have a bar color set, then we will use this
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colour = self.GetBarColour()
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dc.SetBrush(wx.Brush(colour))
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dc.SetPen(wx.Pen(colour))
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# calculate width of bar and draw it
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if value > 100:
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w = rect.width
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else:
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w = rect.width * (float(value) / 100)
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r = copy.copy(rect)
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r.width = w
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dc.DrawRectangle(r)
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else:
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# if bar color is not set, then we use pre-defined transitions
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# for the colors based on the percentage value
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# calculate width of bar
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if value > 100:
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w = rect.width
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else:
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w = rect.width * (float(value) / 100)
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r = copy.copy(rect)
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r.width = w
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# determine transition range number and calculate xv (which is the
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# progress between the two transition ranges)
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pv = value
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if pv <= 100:
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xv = pv / 100
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transition = 0
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elif pv <= 101:
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xv = pv - 100
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transition = 1
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elif pv <= 103:
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xv = (pv - 101) / 2
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transition = 2
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elif pv <= 105:
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xv = (pv - 103) / 2
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transition = 3
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else:
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pv = 106
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xv = pv - 100
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transition = -1
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if transition != -1:
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start_color, end_color = self.transition_colors[transition]
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color = color_utils.CalculateTransition(start_color, end_color,
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xv)
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else:
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color = wx.Colour(191, 48, 48) # dark red
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color_factor = self.gradient_effect / 100
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mid_factor = (self.gradient_effect / 2) / 100
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if self.gradient_effect > 0:
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gradient_color = color_utils.Brighten(color, color_factor)
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gradient_mid = color_utils.Brighten(color, mid_factor)
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else:
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gradient_color = color_utils.Darken(color, color_factor * -1)
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gradient_mid = color_utils.Darken(color, mid_factor * -1)
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# draw bar
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gradient_bitmap = draw.DrawGradientBar(
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r.width,
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r.height,
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gradient_mid,
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color,
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gradient_color
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)
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dc.DrawBitmap(gradient_bitmap, r.left, r.top)
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# font stuff begins here
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dc.SetFont(self.font)
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# determine shadow position
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r = copy.copy(rect)
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r.left += 1
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r.top += 1
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if self._max_range == 0.01 and self._value > 0:
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format = u'\u221e' # infinity symbol
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# drop shadow
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dc.SetTextForeground(wx.Colour(80, 80, 80)) # dark grey
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dc.DrawLabel(format, r, wx.ALIGN_CENTER)
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# text
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dc.SetTextForeground(wx.WHITE)
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dc.DrawLabel(format, rect, wx.ALIGN_CENTER)
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else:
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if not self.GetBarColour() and self._show_remaining:
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# we only do these for gradients with mouse over
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range = self._max_range if self._max_range > 0.01 else 0
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value = range - self._value
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if value < 0:
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label = "over"
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value = -value
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else:
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label = "left"
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format = "{0:." + str(self._fraction_digits) + "f} " + label
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else:
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format = "{0:." + str(self._fraction_digits) + "f}%"
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# drop shadow
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dc.SetTextForeground(wx.Colour(80, 80, 80))
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dc.DrawLabel(format.format(value), r, wx.ALIGN_CENTER)
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# text
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dc.SetTextForeground(wx.WHITE)
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dc.DrawLabel(format.format(value), rect, wx.ALIGN_CENTER)
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def OnTimer(self, event):
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old_value = self._old_percentage
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value = self._percentage
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start = 0
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# -1 = left direction, 1 = right direction
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direction = 1 if old_value < value else -1
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end = direction * (value - old_value)
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self._anim_direction = direction
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step = self.anim_effect(self._anim_step, start, end, self._anim_duration)
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self._anim_step += self._period
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if self._timer_id == event.GetId():
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stop_timer = False
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if self._anim_step > self._anim_duration:
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stop_timer = True
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# add new value to the animation if we haven't reached our goal
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# otherwise, stop animation
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if direction == 1:
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if old_value + step < value:
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self._anim_value = old_value + step
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else:
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stop_timer = True
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else:
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if old_value - step > value:
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self._anim_value = old_value - step
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else:
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stop_timer = True
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if stop_timer:
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self._timer.Stop()
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self.Refresh()
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