class CameraDialog

# File examples/ruboids/ruboids/CameraDialog.rb, line 37
    def initialize(parent)
        super
        @locAdjustors = []
        @rotationAdjustors = []
        @otherAdjustors = []
        @avoidUpdates = false

        @camera = World.instance.camera

        # Remember values for reset
        @origCamera = @camera.dup()

        # Group and layout widgets
        vLayout = Qt::VBoxLayout.new(self)

        locBox = Qt::GroupBox.new('Location', self)
        rotationBox = Qt::GroupBox.new('Rotation', self)
        otherBox = Qt::GroupBox.new('Other', self)

        locLayout = Qt::GridLayout.new(locBox)
        rotationLayout = Qt::GridLayout.new(rotationBox)
        otherLayout = Qt::GridLayout.new(otherBox)
        buttonLayout = Qt::HBoxLayout.new()

        vLayout.addWidget(locBox)
        vLayout.addWidget(rotationBox)
        vLayout.addWidget(otherBox)
        vLayout.addSpacing(10)
        vLayout.addLayout(buttonLayout)

        # Add extra space at the top of each layout so the group box title
        # doesn't get squished.
#        locLayout.addRowSpacing(0, 15)
#        rotationLayout.addRowSpacing(0, 15)
#        otherLayout.addRowSpacing(0, 15)

        # Contents of camera location box
        @locAdjustors << addSlider(1, locBox, locLayout, 'X', -1000, 1000, 1,
                                   'slotLocXChanged(int)', @camera.position.x)
        @locAdjustors << addSlider(2, locBox, locLayout, 'Y', -1000, 1000, 1,
                                   'slotLocYChanged(int)', @camera.position.y)
        @locAdjustors << addSlider(3, locBox, locLayout, 'Z', -1000, 1000, 1,
                                   'slotLocZChanged(int)', @camera.position.z)

        # Contents of camera rotation box
        @rotationAdjustors << addSlider(1, rotationBox, rotationLayout, 'X',
                                        0, 360, 1, 'slotRotationXChanged(int)',
                                   @camera.rotation.x)
        @rotationAdjustors << addSlider(2, rotationBox, rotationLayout, 'Y',
                                        0, 360, 1, 'slotRotationYChanged(int)',
                                   @camera.rotation.y)
        @rotationAdjustors << addSlider(3, rotationBox, rotationLayout, 'Z',
                                        0, 360, 1, 'slotRotationZChanged(int)',
                                   @camera.rotation.z)

        @otherAdjustors <<  addSlider(1, otherBox, otherLayout, 'Zoom',
                                      1, 100, 1, 'slotZoomChanged(int)',
                                      @camera.zoom * 10.0)
        @otherAdjustors[0].origValue = @camera.zoom

        # The Close button
        button = Qt::PushButton.new('Close', self)
        connect(button, SIGNAL('clicked()'), self, SLOT('close()'))
        button.setDefault(true)
        button.setFixedSize(button.sizeHint())
        buttonLayout.addWidget(button)

        # The Close button
        button = Qt::PushButton.new('Reset', self)
        connect(button, SIGNAL('clicked()'), self, SLOT('slotReset()'))
        button.setFixedSize(button.sizeHint())
        buttonLayout.addWidget(button)

        # 15 layout management
        locLayout.activate()
        rotationLayout.activate()
        otherLayout.activate()
        vLayout.activate()

        resize(0, 0)

        setWindowTitle('Camera Settings')
    end

# File examples/ruboids/ruboids/CameraDialog.rb, line 121
def addSlider(row, box, layout, label, min, max, pageStep, slot,
              initialValue)
    # Label
    text = Qt::Label.new(label, box)
    text.setMinimumSize(text.sizeHint())
    layout.addWidget(text, row, 0)

    # Slider
    slider = Qt::Slider.new(Qt::Horizontal, box) do |s|
        s.range = min..max
        s.sliderPosition = initialValue
        s.pageStep = pageStep
    end

    slider.minimumSize = slider.sizeHint
    slider.minimumWidth = 180

    layout.addWidget(slider, row, 1)

    # Connection from slider signal to our slot
    connect(slider, SIGNAL('valueChanged(int)'), self, SLOT(slot))

    # Number display
    num = Qt::Label.new('XXXXX', box)
    num.setMinimumSize(num.sizeHint())
    num.setFrameStyle(Qt::Frame::Panel | Qt::Frame::Sunken)
    num.setAlignment(Qt::AlignRight | Qt::AlignVCenter)
    num.setNum(initialValue)

    layout.addWidget(num, row, 2)

    return Adjustor.new(slider, num, initialValue)
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 155
def cameraChanged
    World.instance.setupTranslation() unless @avoidUpdates
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 159
def slotLocXChanged(val)
    @locAdjustors[0].setNum(val)
    @camera.position.x = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 165
def slotLocYChanged(val)
    @locAdjustors[1].setNum(val)
    @camera.position.y = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 171
def slotLocZChanged(val)
    @locAdjustors[2].setNum(val)
    @camera.position.z = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 201
def slotReset
    @avoidUpdates = true

    @camera.position.x = @locAdjustors[0].reset()
    @camera.position.y = @locAdjustors[1].reset()
    @camera.position.z = @locAdjustors[2].reset()

    @camera.rotation.x = @rotationAdjustors[0].reset()
    @camera.rotation.y = @rotationAdjustors[1].reset()
    @camera.rotation.z = @rotationAdjustors[2].reset()

    @camera.zoom = @otherAdjustors[0].reset()
    
    @avoidUpdates = false
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 177
def slotRotationXChanged(val)
    @rotationAdjustors[0].setNum(val)
    @camera.rotation.x = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 183
def slotRotationYChanged(val)
    @rotationAdjustors[1].setNum(val)
    @camera.rotation.y = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 189
def slotRotationZChanged(val)
    @rotationAdjustors[2].setNum(val)
    @camera.rotation.z = val
    cameraChanged()
end

# File examples/ruboids/ruboids/CameraDialog.rb, line 195
def slotZoomChanged(val)
    @otherAdjustors[0].setNum(val)
    @camera.zoom = val / 10.0
    cameraChanged()
end