Warnings when compiling with -Wextra

Nux/AbstractButton.cpp (+5/-5)
Nux/AbstractCheckedButton.cpp (+1/-1)
Nux/AbstractComboBox.cpp (+13/-13)
Nux/ActionItem.cpp (+1/-1)
Nux/AnimatedTextureArea.cpp (+6/-6)
Nux/Area.cpp (+8/-8)
Nux/Area.h (+2/-2)
Nux/BaseWindow.cpp (+5/-5)
Nux/BasicView.cpp (+1/-1)
Nux/Button.cpp (+2/-2)
Nux/Canvas.cpp (+2/-2)
Nux/CheckBox.cpp (+2/-2)
Nux/ClientArea.cpp (+24/-24)
Nux/ColorEditor.cpp (+10/-10)
Nux/ColorPickerDialog.cpp (+1/-1)
Nux/ColorPreview.cpp (+4/-4)
Nux/Coverflow.cpp (+32/-32)
Nux/CoverflowItem.h (+1/-1)
Nux/EditTextBox.cpp (+11/-11)
Nux/FileSelector.cpp (+18/-18)
Nux/FloatingWindow.cpp (+8/-8)
Nux/GeisAdapter.cpp (+4/-2)
Nux/GroupBox.cpp (+4/-4)
Nux/GroupBox2.cpp (+3/-3)
Nux/HLayout.cpp (+1/-1)
Nux/HScrollBar.cpp (+19/-19)
Nux/HScrollBar.h (+2/-2)
Nux/HSplitter.cpp (+5/-5)
Nux/InputArea.cpp (+5/-5)
Nux/InputArea.h (+2/-2)
Nux/InputMethodIBus.cpp (+11/-19)
Nux/KeyboardHandler.cpp (+6/-6)
Nux/LayeredLayout.cpp (+10/-10)
Nux/Layout.cpp (+5/-5)
Nux/Layout.h (+6/-6)
Nux/LinearLayout.cpp (+1/-1)
Nux/MainLoopGLib.cpp (+9/-6)
Nux/MenuBar.cpp (+10/-10)
Nux/MenuPage.cpp (+13/-13)
Nux/MenuPage.h (+4/-4)
Nux/MouseAreaCtrl.cpp (+5/-5)
Nux/NumericValuator.cpp (+2/-2)
Nux/Nux.cpp (+3/-3)
Nux/Painter.cpp (+14/-14)
Nux/Panel.cpp (+1/-1)
Nux/ProgramFramework/ProgramTemplate.cpp (+2/-2)
Nux/ProgramFramework/TestTextEntry.cpp (+11/-11)
Nux/ProgramFramework/TestView.cpp (+11/-11)
Nux/RGBValuator.cpp (+164/-164)
Nux/RadioButton.cpp (+2/-2)
Nux/RangeValue.cpp (+6/-6)
Nux/RangeValueInteger.cpp (+6/-6)
Nux/ScrollView.cpp (+5/-5)
Nux/SpinBox.cpp (+2/-2)
Nux/SpinBoxDouble.cpp (+2/-2)
Nux/SpinBox_Logic.cpp (+46/-46)
Nux/StaticText.cpp (+2/-2)
Nux/StaticTextBox.cpp (+3/-3)
Nux/SystemThread.cpp (+3/-3)
Nux/TabView.cpp (+25/-25)
Nux/TextEntry.cpp (+8/-8)
Nux/TextLoader.cpp (+2/-2)
Nux/TextureArea.cpp (+17/-17)
Nux/Theme.cpp (+7/-7)
Nux/Timeline.cpp (+1/-1)
Nux/ToolButton.cpp (+34/-34)
Nux/VLayout.cpp (+1/-1)
Nux/VScrollBar.cpp (+19/-19)
Nux/VScrollBar.h (+2/-2)
Nux/VSplitter.cpp (+5/-5)
Nux/Validator.h (+1/-1)
Nux/View.cpp (+14/-14)
Nux/View.h (+1/-1)
Nux/WindowCompositor.cpp (+4/-4)
Nux/WindowThread.cpp (+6/-6)
NuxCore/FileManager/NFileManagerGNU.cpp (+6/-6)
NuxCore/FileManager/NFileManagerGNU.h (+5/-5)
NuxCore/FileManager/NFileManagerGeneric.cpp (+3/-5)
NuxCore/FileManager/NFileManagerGeneric.h (+1/-1)
NuxCore/FileManager/NSerializer.h (+2/-2)
NuxCore/Memory.cpp (+2/-2)
NuxCore/NuxCore.cpp (+2/-2)
NuxCore/NuxCore.h (+3/-1)
NuxCore/Object.cpp (+3/-0)
NuxCore/ObjectPtr.h (+2/-2)
NuxCore/OutputDevice.cpp (+2/-2)
NuxCore/OutputDevice.h (+1/-1)
NuxCore/Parsing.cpp (+1/-1)
NuxCore/Platform.cpp (+1/-1)
NuxCore/Property-inl.h (+2/-2)
NuxCore/TextString.h (+4/-3)
NuxCore/ThreadGNU.cpp (+2/-2)
NuxCore/ThreadGNU.h (+1/-1)
NuxGraphics/CairoGraphics.cpp (+1/-1)
NuxGraphics/FontTexture.cpp (+1/-1)
NuxGraphics/GLError.cpp (+1/-1)
NuxGraphics/GLPBuffer.cpp (+1/-1)
NuxGraphics/GLResource.cpp (+2/-2)
NuxGraphics/GLResourceManager.h (+3/-3)
NuxGraphics/GLSh_ColorPicker.cpp (+1/-1)
NuxGraphics/GLSh_DrawFunction.cpp (+1/-1)
NuxGraphics/GLSh_Fill.cpp (+1/-1)
NuxGraphics/GLShaderParameter.h (+1/-1)
NuxGraphics/GLTemplatePrimitiveBuffer.cpp (+1/-3)
NuxGraphics/GLTextureResourceManager.cpp (+9/-9)
NuxGraphics/GpuDevice.cpp (+1/-1)
NuxGraphics/GpuDeviceTexture.cpp (+5/-4)
NuxGraphics/GpuDeviceVertex.cpp (+10/-10)
NuxGraphics/GraphicsDisplayX11.cpp (+1/-1)
NuxGraphics/GraphicsEngine.cpp (+4/-4)
NuxGraphics/IOpenGLAnimatedTexture.h (+1/-1)
NuxGraphics/IOpenGLBaseTexture.cpp (+13/-13)
NuxGraphics/IOpenGLCubeTexture.cpp (+1/-1)
NuxGraphics/IOpenGLQuery.cpp (+2/-2)
NuxGraphics/IOpenGLRectangleTexture.cpp (+1/-1)
NuxGraphics/IOpenGLTexture2D.cpp (+1/-1)
NuxGraphics/IOpenGLVertexDeclaration.cpp (+1/-1)
NuxGraphics/ImageSurface.cpp (+6/-6)
NuxGraphics/ImageSurface.h (+4/-4)
NuxGraphics/RenderingPipeAsm.cpp (+7/-7)
NuxGraphics/RenderingPipeGLSL.cpp (+8/-8)
configure.ac (+2/-2)
examples/coverflow.cpp (+1/-1)
examples/gestures.cpp (+3/-3)
examples/line-separator.cpp (+1/-1)
examples/line-separator.h (+1/-1)
examples/shortcut-keys.cpp (+2/-2)
examples/text_entry_focus.cpp (+2/-2)
gputests/arb_programs_limits.cpp (+1/-1)
gputests/framebufferobject.cpp (+1/-1)
gputests/quad_2texmod.cpp (+1/-1)
gputests/texture_blur.cpp (+1/-1)
gputests/texture_copy_blur.cpp (+1/-1)
gputests/texture_data.cpp (+1/-1)
gputests/texture_power_of_2.cpp (+1/-1)
tests/geis_mock.cpp (+17/-17)
tests/gtest-nux-area.cpp (+1/-1)
tests/gtest-nux-cairo-wrapper.cpp (+1/-1)
tests/gtest-nux-gesturebroker.cpp (+2/-2)
tests/gtest-nux-windowcompositor.cpp (+4/-4)
tests/gtest-nuxcore-object.cpp (+1/-1)
tests/nux_automated_test_framework.cpp (+1/-1)
tests/test-scrollview.cpp (+2/-2)
tests/test_empty_window.cpp (+2/-2)
tests/test_graphics_display.cpp (+2/-2)
tests/xtest-button.cpp (+3/-4)
tests/xtest-focus-on-mouse-down.cpp (+3/-4)
tests/xtest-focus-on-mouse-enter.cpp (+3/-4)
tests/xtest-hgrid-key-navigation.cpp (+3/-4)
tests/xtest-hlayout-key-navigation.cpp (+3/-4)
tests/xtest-keynav-directions.cpp (+3/-4)
tests/xtest-mouse-buttons.cpp (+3/-4)
tests/xtest-mouse-events.cpp (+3/-4)
tests/xtest-scrollbar.cpp (+3/-4)
tests/xtest-text-entry-compositionkeys.cpp (+3/-4)
tests/xtest-text-entry-deadkeys.cpp (+3/-4)
tests/xtest-text-entry-logic.cpp (+3/-4)
tests/xtest-text-entry.cpp (+4/-5)
tests/xtest-vlayout-key-navigation.cpp (+4/-5)