OpenXcom::Slider Class Reference

Horizontal slider control to select from a range of values. More...

#include <Slider.h>

Inheritance diagram for OpenXcom::Slider:

Public Member Functions
	Slider (int width, int height, int x=0, int y=0)
	Creates a new slider with the specified size and position. More...
	~Slider ()
	Cleans up the slider. More...
void	setX (int x)
	Sets the X position of the surface. More...
void	setY (int y)
	Sets the Y position of the surface. More...
void	initText (Font *big, Font *small, Language *lang)
	Initializes the slider's resources. More...
void	setHighContrast (bool contrast)
	Sets the slider's high contrast color setting. More...
void	setColor (Uint8 color)
	Sets the slider's color. More...
Uint8	getColor () const
	Gets the slider's color. More...
void	setPalette (SDL_Color *colors, int firstcolor=0, int ncolors=256)
	Sets the slider's palette. More...
void	setRange (int min, int max)
	Sets the slider's range. More...
void	setValue (int value)
	Sets the slider's value. More...
int	getValue () const
	Gets the slider's value. More...
void	blit (Surface *surface)
	Blits the slider onto another surface. More...
void	handle (Action *action, State *state)
	Moves the slider. More...
void	mousePress (Action *action, State *state)
	Special handling for mouse presses. More...
void	mouseRelease (Action *action, State *state)
	Special handling for mouse releases. More...
void	onChange (ActionHandler handler)
	Hooks an action handler to when the slider changes. More...
Public Member Functions inherited from OpenXcom::InteractiveSurface
	InteractiveSurface (int width, int height, int x=0, int y=0)
	Creates a new interactive surface with the specified size and position. More...
virtual	~InteractiveSurface ()
	Cleans up the interactive surface.
void	setVisible (bool visible)
	Sets the surface's visibility. More...
virtual void	setFocus (bool focus)
	Sets the focus of this surface. More...
bool	isFocused () const
	Gets the focus of this surface. More...
virtual void	unpress (State *state)
	Unpresses the surface. More...
void	onMouseClick (ActionHandler handler, Uint8 button=SDL_BUTTON_LEFT)
	Hooks an action handler to a mouse click on the surface. More...
void	onMousePress (ActionHandler handler, Uint8 button=0)
	Hooks an action handler to a mouse press over the surface. More...
void	onMouseRelease (ActionHandler handler, Uint8 button=0)
	Hooks an action handler to a mouse release over the surface. More...
void	onMouseIn (ActionHandler handler)
	Hooks an action handler to moving the mouse into the surface. More...
void	onMouseOver (ActionHandler handler)
	Hooks an action handler to moving the mouse over the surface. More...
void	onMouseOut (ActionHandler handler)
	Hooks an action handler to moving the mouse out of the surface. More...
void	onKeyboardPress (ActionHandler handler, SDLKey key=SDLK_ANY)
	Hooks an action handler to pressing a key when the surface is focused. More...
void	onKeyboardRelease (ActionHandler handler, SDLKey key=SDLK_ANY)
	Hooks an action handler to releasing a key when the surface is focused. More...
virtual void	mouseClick (Action *action, State *state)
	Processes a mouse click event. More...
virtual void	mouseIn (Action *action, State *state)
	Processes a mouse hover in event. More...
virtual void	mouseOver (Action *action, State *state)
	Processes a mouse hover event. More...
virtual void	mouseOut (Action *action, State *state)
	Processes a mouse hover out event. More...
virtual void	keyboardPress (Action *action, State *state)
	Processes a keyboard key press event. More...
virtual void	keyboardRelease (Action *action, State *state)
	Processes a keyboard key release event. More...
void	setListButton ()
	Check this surface to see if it's a textlist button. More...
Public Member Functions inherited from OpenXcom::Surface
	Surface (int width, int height, int x=0, int y=0, int bpp=8)
	Creates a new surface with the specified size and position. More...
	Surface (const Surface &other)
	Creates a new surface from an existing one. More...
virtual	~Surface ()
	Cleans up the surface. More...
void	loadScr (const std::string &filename)
	Loads an X-Com SCR graphic. More...
void	loadSpk (const std::string &filename)
	Loads an X-Com SPK graphic. More...
void	loadBdy (const std::string &filename)
	Loads a TFTD BDY graphic. More...
void	loadImage (const std::string &filename)
	Loads a general image file. More...
void	clear ()
	Clears the surface's contents. More...
void	offset (int off, int min=-1, int max=-1, int mul=1)
	Offsets the surface's colors by a set amount. More...
void	invert (Uint8 mid)
	Inverts the surface's colors. More...
virtual void	think ()
	Runs surface functionality every cycle. More...
virtual void	draw ()
	Draws the surface's graphic. More...
void	copy (Surface *surface)
	Copies a portion of another surface into this one. More...
void	drawRect (SDL_Rect *rect, Uint8 color)
	Draws a filled rectangle on the surface. More...
void	drawRect (Sint16 x, Sint16 y, Sint16 w, Sint16 h, Uint8 color)
	Draws a filled rectangle on the surface. More...
void	drawLine (Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 color)
	Draws a line on the surface. More...
void	drawCircle (Sint16 x, Sint16 y, Sint16 r, Uint8 color)
	Draws a filled circle on the surface. More...
void	drawPolygon (Sint16 *x, Sint16 *y, int n, Uint8 color)
	Draws a filled polygon on the surface. More...
void	drawTexturedPolygon (Sint16 *x, Sint16 *y, int n, Surface *texture, int dx, int dy)
	Draws a textured polygon on the surface. More...
void	drawString (Sint16 x, Sint16 y, const char *s, Uint8 color)
	Draws a string on the surface. More...
SDL_Color *	getPalette () const
	Returns the surface's 8bpp palette. More...
int	getX () const
	Returns the position of the surface in the X axis. More...
int	getY () const
	Returns the position of the surface in the Y axis. More...
void	setVisible (bool visible)
	Sets the surface's visibility. More...
bool	getVisible () const
	Gets the surface's visibility. More...
void	resetCrop ()
	Resets the cropping rectangle for the surface. More...
SDL_Rect *	getCrop ()
	Gets the cropping rectangle for the surface. More...
void	setPixel (int x, int y, Uint8 pixel)
	Changes the color of a pixel in the surface, relative to the top-left corner of the surface. More...
void	setPixelIterative (int *x, int *y, Uint8 pixel)
	Changes the color of a pixel in the surface and returns the next pixel position. More...
Uint8	getPixel (int x, int y) const
	Returns the color of a specified pixel in the surface. More...
SDL_Surface *	getSurface () const
	Returns the internal SDL_Surface for SDL calls. More...
int	getWidth () const
	Returns the width of the surface. More...
virtual void	setWidth (int width)
	Sets the width of the surface. More...
int	getHeight () const
	Returns the height of the surface. More...
virtual void	setHeight (int height)
	Sets the height of the surface. More...
void	setHidden (bool hidden)
	Sets the surface's special hidden flag. More...
void	lock ()
	Locks the surface. More...
void	unlock ()
	Unlocks the surface. More...
void	blitNShade (Surface *surface, int x, int y, int off, bool half=false, int newBaseColor=0)
	Specific blit function to blit battlescape terrain data in different shades in a fast way. More...
void	invalidate ()
	Invalidate the surface: force it to be redrawn. More...
std::string	getTooltip () const
	Gets the tooltip of the surface. More...
void	setTooltip (const std::string &tooltip)
	Sets the tooltip of the surface. More...

Additional Inherited Members
Protected Member Functions inherited from OpenXcom::InteractiveSurface
bool	isButtonPressed (Uint8 button=0)
	Is this mouse button pressed?
virtual bool	isButtonHandled (Uint8 button=0)
	Is this mouse button event handled?
void	setButtonPressed (Uint8 button, bool pressed)
	Set a mouse button's internal state.
Protected Member Functions inherited from OpenXcom::Surface
void	resize (int width, int height)
	Recreates the surface with a new size. More...

Detailed Description

Horizontal slider control to select from a range of values.

Constructor & Destructor Documentation

OpenXcom::Slider::Slider	(	int	width,
		int	height,
		int	x = 0,
		int	y = 0
	)

Creates a new slider with the specified size and position.

Sets up a slider with the specified size and position.

Parameters

width	Width in pixels.
height	Height in pixels.
x	X position in pixels.
y	Y position in pixels.

OpenXcom::Slider::~Slider

(

)

Cleans up the slider.

Deletes contents.

Member Function Documentation

void OpenXcom::Slider::blit ( Surface *  surface )

virtual

Blits the slider onto another surface.

Blits the slider contents.

Parameters

surface

Pointer to surface to blit onto.

Reimplemented from OpenXcom::Surface.

Uint8 OpenXcom::Slider::getColor

(

)

const

Gets the slider's color.

Returns the color used to render the slider.

Returns

Color value.

int OpenXcom::Slider::getValue

(

)

const

Gets the slider's value.

Returns the current value of the slider.

Returns

Value.

void OpenXcom::Slider::handle ( Action *  action, State *  state  )

virtual

Moves the slider.

Automatically updates the slider when the mouse moves.

Parameters

action	Pointer to an action.
state	State that the action handlers belong to.

Reimplemented from OpenXcom::InteractiveSurface.

void OpenXcom::Slider::initText ( Font *  big, Font *  small, Language *  lang  )

virtual

Initializes the slider's resources.

Changes the various resources needed for text rendering.

The different fonts need to be passed in advance since the text size can change mid-text, and the language affects how the text is rendered.

Parameters

big	Pointer to large-size font.
small	Pointer to small-size font.
lang	Pointer to current language.

Reimplemented from OpenXcom::Surface.

void OpenXcom::Slider::mousePress ( Action *  action, State *  state  )

virtual

Special handling for mouse presses.

The slider only moves while the button is pressed.

Parameters

action	Pointer to an action.
state	State that the action handlers belong to.

Reimplemented from OpenXcom::InteractiveSurface.

void OpenXcom::Slider::mouseRelease ( Action *  action, State *  state  )

virtual

Special handling for mouse releases.

The slider stops moving when the button is released.

Parameters

action	Pointer to an action.
state	State that the action handlers belong to.

Reimplemented from OpenXcom::InteractiveSurface.

void OpenXcom::Slider::onChange

(

ActionHandler

handler

)

Hooks an action handler to when the slider changes.

Sets a function to be called every time the slider's value changes.

Parameters

handler

Action handler.

void OpenXcom::Slider::setColor

(

Uint8

color

)

Sets the slider's color.

Changes the color used to render the slider.

Parameters

color

Color value.

void OpenXcom::Slider::setHighContrast

(

bool

contrast

)

Sets the slider's high contrast color setting.

Enables/disables high contrast color.

Mostly used for Battlescape.

Parameters

contrast

High contrast setting.

void OpenXcom::Slider::setPalette ( SDL_Color *  colors, int  firstcolor = 0, int  ncolors = 256  )

virtual

Sets the slider's palette.

Replaces a certain amount of colors in the slider's palette.

Parameters

colors	Pointer to the set of colors.
firstcolor	Offset of the first color to replace.
ncolors	Amount of colors to replace.

Reimplemented from OpenXcom::Surface.

void OpenXcom::Slider::setRange	(	int	min,
		int	max
	)

Sets the slider's range.

Changes the range of values the slider can contain.

Parameters

min	Minimum value.
max	Maximum value.

void OpenXcom::Slider::setValue

(

int

value

)

Sets the slider's value.

Changes the current value of the slider and positions it appropriately.

Parameters

value

New value.

void OpenXcom::Slider::setX ( int  x )

virtual

Sets the X position of the surface.

Changes the position of the surface in the X axis.

Parameters

x	X position in pixels.

Reimplemented from OpenXcom::Surface.

void OpenXcom::Slider::setY ( int  y )

virtual

Sets the Y position of the surface.

Changes the position of the surface in the Y axis.

Parameters

y	Y position in pixels.

Reimplemented from OpenXcom::Surface.

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The documentation for this class was generated from the following files:

• Slider.h
• Slider.cpp