openmohaa/code/uilib/uihorizscroll.h

77 lines
2.2 KiB
C++

/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team
This file is part of OpenMoHAA source code.
OpenMoHAA source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
OpenMoHAA source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __UIHORIZSCROLL_H__
#define __UIHORIZSCROLL_H__
typedef enum { VS_NONE, VS_UP_ARROW, VS_DOWN_ARROW, VS_THUMB, VS_PAGE_DOWN, VS_PAGE_UP } whatspressed;
class UIHorizScroll : public UIWidget {
protected:
int m_numitems;
int m_pagewidth;
int m_topitem;
UIFont m_marlett;
whatspressed m_pressed;
UIRect2D thumbRect;
struct {
int itemOffset;
int orgItem;
} m_dragThumbState;
bool m_frameinitted;
UColor m_thumbcolor;
UColor m_solidbordercolor;
public:
CLASS_PROTOTYPE( UIHorizScroll );
protected:
int getItemFromWidth( float height );
bool isEnoughItems( void );
public:
UIHorizScroll();
void Draw( void ) override;
void DrawArrow( float top, const char *text, bool pressed );
void DrawThumb();
void MouseDown( Event *ev );
void MouseUp( Event *ev );
void MouseDragged( Event *ev );
void MouseEnter( Event *ev );
void MouseLeave( Event *ev );
void Scroll( Event *ev );
bool AttemptScrollTo( int to );
void setNumItems( int i );
void setPageWidth( int i );
void setTopItem( int i );
int getTopItem( void );
int getPageWidth( void );
int getNumItems( void );
void setThumbColor( const UColor& thumb );
void setSolidBorderColor( const UColor& col );
void InitFrameAlignRight( UIWidget *parent );
};
#endif