mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-12 10:03:53 +02:00
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/*
|
|
* Slider.h, part of VCMI engine
|
|
*
|
|
* Authors: listed in file AUTHORS in main folder
|
|
*
|
|
* License: GNU General Public License v2.0 or later
|
|
* Full text of license available in license.txt file, in main folder
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Scrollable.h"
|
|
#include "../../lib/FunctionList.h"
|
|
|
|
class CButton;
|
|
|
|
/// A typical slider which can be orientated horizontally/vertically.
|
|
class CSlider : public Scrollable
|
|
{
|
|
//if vertical then left=up
|
|
std::shared_ptr<CButton> left;
|
|
std::shared_ptr<CButton> right;
|
|
std::shared_ptr<CButton> slider;
|
|
|
|
std::optional<Rect> scrollBounds;
|
|
|
|
/// how many elements are visible simultaneously
|
|
int capacity;
|
|
/// number of highest position, or 0 if there is only one
|
|
int positions;
|
|
/// total amount of elements in the list
|
|
int amount;
|
|
/// topmost vislble (first active) element
|
|
int value;
|
|
|
|
CFunctionList<void(int)> moved;
|
|
|
|
void updateSliderPos();
|
|
|
|
public:
|
|
enum EStyle
|
|
{
|
|
BROWN,
|
|
BLUE
|
|
};
|
|
|
|
void block(bool on);
|
|
|
|
/// If set, mouse scroll will only scroll slider when inside of this area
|
|
void setScrollBounds(const Rect & bounds );
|
|
void clearScrollBounds();
|
|
|
|
/// Value modifiers
|
|
void scrollTo(int value);
|
|
void scrollBy(int amount) override;
|
|
void scrollToMin();
|
|
void scrollToMax();
|
|
|
|
/// Amount modifier
|
|
void setAmount(int to);
|
|
|
|
/// Accessors
|
|
int getAmount() const;
|
|
int getValue() const;
|
|
int getCapacity() const;
|
|
|
|
void addCallback(std::function<void(int)> callback);
|
|
|
|
bool receiveEvent(const Point & position, int eventType) const override;
|
|
void keyPressed(EShortcut key) override;
|
|
void clickPressed(const Point & cursorPosition) override;
|
|
void mouseDragged(const Point & cursorPosition, const Point & lastUpdateDistance) override;
|
|
void gesturePanning(const Point & initialPosition, const Point & currentPosition, const Point & lastUpdateDistance) override;
|
|
void showAll(Canvas & to) override;
|
|
|
|
/// @param position coordinates of slider
|
|
/// @param length length of slider ribbon, including left/right buttons
|
|
/// @param Moved function that will be called whenever slider moves
|
|
/// @param Capacity maximal number of visible at once elements
|
|
/// @param Amount total amount of elements, including not visible
|
|
/// @param Value starting position
|
|
CSlider(Point position, int length, std::function<void(int)> Moved, int Capacity, int Amount,
|
|
int Value, Orientation orientation, EStyle style = BROWN);
|
|
~CSlider();
|
|
};
|