def __init__(self, parent):
Box.__init__(self, parent)
# init size
self.position.w = 300
self.position.h = 40
# Slider specific stuff
self._fullRange = Range(0,1)
self._range = Range(0,1)
self._refRange = Range(0,1) # For sliding
self._showTicks = False
# Set bgcolor and edge
self.bgcolor = (0.6, 0.8, 0.6)
self._frontColor = 0.5, 0.7, 0.9
self.edgeWidth = 1
# A slider should respond to mouse
self.hitTest = True
# Create label centered at the box
self._label = Label(self)
self._label.position = 0,0,1,1
self._label.halign = 0
self._label.bgcolor = None
# State variables
self._isOver = False
self._sliderDown = False
self._sliderRefx = 0.0
# Pool of labels for tickmarks, to reuse them
self._wobjects = [] # So we can have Text objects
self._labelPool = {}
# Calculate dots now
self._SliderCalcDots()
# Create new events
self._eventSliding = BaseEvent(self)
self._eventSliderChanged = BaseEvent(self)
# To changes appearance on mouse over
self.eventEnter.Bind(self._SliderOnEnter)
self.eventLeave.Bind(self._SliderOnLeave)
# Bind to events
self.eventMouseDown.Bind(self._SliderOnDown)
self.eventMouseUp.Bind(self._SliderOnUp)
self.eventMotion.Bind(self._SliderOnMotion)
self.eventPosition.Bind(self._SliderCalcDots)
def __init__(self, parent):
Box.__init__(self, parent)
# Set color
self.bgcolor = 'w'
# How soon the mouse snaps to a node
self._snapWidth = 5
# The currently selected node (or None if nothing is selected)
self._selectedNode = None
# The nodes and lines of R,G,B and A
self._allNodes = [Pointset(2) for i in range(4)]
self._allLines = [Pointset(2) for i in range(4)]
# Init nodes
for nodes in self._allNodes:
nodes.append(0,1)
nodes.append(1,0)
self._allNodes[3][0,1] = 0 # alpha is completele ones by default
# Init lines
for line in self._allLines:
for i in np.linspace(0,1,256):
line.append(i,1) # the actual map will be 1-line
# Make lines correct now
for nodes, line in zip(self._allNodes, self._allLines):
self._NodesToLine(nodes, line)
# The node and line currently in control
self._nodes = self._allNodes[3]
self._line = self._allLines[3]
# Bind events
self.eventMotion.Bind(self._OnMotion)
self.eventMouseUp.Bind(self._OnUp)
self.eventMouseDown.Bind(self._OnDown)
self.eventDoubleClick.Bind(self._OnDoubleClick)
self.hitTest = True # enable firing events
def __init__(self, parent):
Box.__init__(self, parent)
# Set color
self.bgcolor = 'w'
# How soon the mouse snaps to a node
self._snapWidth = 5
# The currently selected node (or None if nothing is selected)
self._selectedNode = None
# The nodes and lines of R,G,B and A
self._allNodes = [Pointset(2) for i in range(4)]
self._allLines = [Pointset(2) for i in range(4)]
# Init nodes
for nodes in self._allNodes:
nodes.append(0,1)
nodes.append(1,0)
self._allNodes[3][0,1] = 0 # alpha is completele ones by default
# Init lines
for line in self._allLines:
for i in np.linspace(0,1,256):
line.append(i,1) # the actual map will be 1-line
# Make lines correct now
for nodes, line in zip(self._allNodes, self._allLines):
self._NodesToLine(nodes, line)
# The node and line currently in control
self._nodes = self._allNodes[3]
self._line = self._allLines[3]
# Bind events
self.eventMotion.Bind(self._OnMotion)
self.eventMouseUp.Bind(self._OnUp)
self.eventMouseDown.Bind(self._OnDown)
self.eventDoubleClick.Bind(self._OnDoubleClick)
def __init__(self, parent):
Box.__init__(self, parent)
self._label = Label(self, '')
self._label.bgcolor = ''
self.eventPosition.Bind(self._OnPositionChange)
# Pool of labels for tickmarks, to reuse them
self._wobjects = [] # So we can have Text objects
self._labelPool = {}
# If attached to axes, correct that axes' size
if isinstance(parent, Axes):
# Init position
x = parent.position.width + 5
self.position = x, 0.0, 30, 1.0
# Keep informed of axes movment
self.parent.eventPosition.Bind(self._OnAxesPositionChange)
# Correct axes' position
self.parent.position.Correct(dw=-100) # 30 + 70
def OnDraw(self):
Box.OnDraw(self)
# Create color dict
colors = {
self._allLines[0]: (1, 0, 0),
self._allLines[1]: (0, 1, 0),
self._allLines[2]: (0, 0, 1),
self._allLines[3]: (0, 0, 0)
}
# prepare scaling
gl.glPushMatrix()
w, h = self.position.size
gl.glScale(w, h, 1)
# prepare
gl.glPointSize(7)
gl.glLineWidth(1)
gl.glEnable(gl.GL_POINT_SMOOTH) # round points
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
# Draw lines
for line in self._allLines:
if len(line) and line is not self._line:
gl.glColor(*colors[line])
gl.glVertexPointerf(line.data)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, len(line))
# Draw the line under control (using a thicker line)
gl.glColor(*colors[self._line])
gl.glLineWidth(2)
gl.glVertexPointerf(self._line.data)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, len(self._line))
# draw nodes
gl.glColor(*colors[self._line])
gl.glVertexPointerf(self._nodes.data)
gl.glDrawArrays(gl.GL_POINTS, 0, len(self._nodes))
# clean up
gl.glPopMatrix()
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
gl.glDisable(gl.GL_POINT_SMOOTH)
def OnDraw(self):
# Draw bg color and edges
Box.OnDraw(self)
# Margin
d1 = 2
d2 = d1+1
# Get normalize limits
t1, t2 = self._getNormalizedSliderLimits()
# Get widget shape
w, h = self.position.size
# Calculate real dimensions of patch
if w > h:
x1, x2 = max(d2, t1*w), min(w-d1, t2*w)
y1, y2 = d1, h-d2
#
dots1 = self._dots1 + Point(x1, 0)
dots2 = self._dots2 + Point(x2, 0)
#
diff = abs(x1-x2)
#
self._label.textAngle = 0
else:
x1, x2 = d2, w-d1
y1, y2 = max(d1, t1*h), min(h-d2, t2*h)
#
dots1 = self._dots1 + Point(0, y1)
dots2 = self._dots2 + Point(0, y2)
#
diff = abs(y1-y2)
#
self._label.textAngle = -90
# Draw slider bit
clr = self._frontColor
gl.glColor(clr[0], clr[1], clr[2], 1.0)
#
gl.glBegin(gl.GL_POLYGON)
gl.glVertex2f(x1,y1)
gl.glVertex2f(x1,y2)
gl.glVertex2f(x2,y2)
gl.glVertex2f(x2,y1)
gl.glEnd()
# Draw dots
if True:
# Prepare
gl.glColor(0,0,0,1)
gl.glPointSize(1)
gl.glDisable(gl.GL_POINT_SMOOTH)
# Draw
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
if isinstance(self, RangeSlider) and diff>5:
gl.glVertexPointerf(dots1.data)
gl.glDrawArrays(gl.GL_POINTS, 0, len(dots1))
if diff>5:
gl.glVertexPointerf(dots2.data)
gl.glDrawArrays(gl.GL_POINTS, 0, len(dots2))
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
if self._showTicks:
# Reset color to black
gl.glColor(0,0,0,1)
# Draw ticks
if w>h:
p0 = Point(0, h)
p1 = Point(w, h)
delta = Point(0,3)
halign, valign = 0, 0
xoffset, yoffset = -8, -2
else:
p0 = Point(w, h)
p1 = Point(w, 0)
delta = Point(3,0)
halign, valign = -1, 0
xoffset, yoffset = 5, -8
# Get tickmarks
ticks, ticksPos, ticksText = GetTicks(p0, p1, self._fullRange)
newLabelPool = {}
linePieces = Pointset(2)
for tick, pos, text in zip(ticks, ticksPos, ticksText):
pos2 = pos + delta
# Add line piece
linePieces.append(pos); linePieces.append(pos2)
# Create or reuse label
if tick in self._labelPool:
label = self._labelPool.pop(tick)
else:
label = Label(self, ' '+text+' ')
label.bgcolor = ''
# Position label and set text alignment
newLabelPool[tick] = label
label.halign, label.valign = halign, valign
label.position.x = pos2.x + xoffset
label.position.w = 16
label.position.y = pos2.y + yoffset
# Clean up label pool
for label in self._labelPool.values():
label.Destroy()
self._labelPool = newLabelPool
# Draw line pieces
gl.glLineWidth(1)
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
gl.glVertexPointerf(linePieces.data)
gl.glDrawArrays(gl.GL_LINES, 0, len(linePieces))
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
