openmohaa/code/uilib/uihorizscroll.h
2024-01-01 15:01:23 +01:00

82 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
===========================================================================
*/
#pragma once
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);
};