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/*
* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#ifndef VSCROLLBAR_H
#define VSCROLLBAR_H
#include "TimerProc.h"
#include "ScrollBar.h"
namespace nux
{
class VLayout;
class VScrollBar: public ScrollBar
{
public:
VScrollBar(NUX_FILE_LINE_PROTO);
~VScrollBar();
virtual Area* FindAreaUnderMouse(const Point& mouse_position, NuxEventType event_type);
void DrawDownTriangle(GraphicsEngine &graphics_engine, int width, int height, const Geometry &geo, BasePainter &painter);
void DrawUpTriangle(GraphicsEngine &graphics_engine, int width, int height, const Geometry &geo, BasePainter &painter);
virtual void Draw(GraphicsEngine &graphics_engine, bool force_draw);
private:
virtual void DrawContent(GraphicsEngine & /* graphics_engine */, bool /* force_draw */) {};
void VScrollBarHandler(void *v);
void ScrollDown(void *v);
void ScrollUp(void *v);
void TrackUp(void *v);
void TrackDown(void *v);
public:
void SetContainerSize(int x, int y, int w, int h);
void SetContentSize(int x, int y, int w, int h);
void SetContentOffset(float dx, float dy);
void ComputeScrolling();
/////////////////
// RECEIVERS //
/////////////////
void SetValue(float value);
void SetParameterName(const char *parameter_name);
////////////////
// EMITTERS //
////////////////
void RecvStartScrollDown(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvStartScrollUp(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvEndScrollDown(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvEndScrollUp(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvTrackMouseDown(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvTrackMouseUp(int x, int y, unsigned long button_flags, unsigned long key_flags);
void RecvTrackMouseDrag(int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
void OnSliderMouseDown(int x, int y, unsigned long button_flags, unsigned long key_flags);
void OnSliderMouseUp(int x, int y, unsigned long button_flags, unsigned long key_flags);
void OnSliderMouseDrag(int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
///////////////
// SIGNALS //
///////////////
sigc::signal<void> sigClick;
sigc::signal<void, float, int> OnScrollUp;
sigc::signal<void, float, int> OnScrollDown;
sigc::signal<void> sigVScrollBarSliderMouseDown;
bool b_MouseDownTimer;
bool b_MouseUpTimer;
float m_color_factor;
protected:
// When the Scrollbar is used standalone, it is necessary to call ComputeScrolling at the end of the layout.
virtual long PostLayoutManagement(long LayoutResult);
bool AtMinimum();
bool AtMaximum();
VLayout *vlayout;
BasicView *_slider;
BasicView *_scroll_up_button;
BasicView *_scroll_down_button;
BasicView *_track;
int content_width_;
int content_height_;
float content_offset_x_;
float content_offset_y_;
int container_width_;
int container_height_;
int m_TrackWidth;
int m_TrackHeight;
int m_SlideBarOffsetX;
int m_SlideBarOffsetY;
float stepX;
float stepY;
int m_SliderDragPositionX;
int m_SliderDragPositionY;
TimerFunctor *callback;
TimerFunctor *up_callback;
TimerFunctor *down_callback;
TimerFunctor *trackup_callback;
TimerFunctor *trackdown_callback;
TimerHandle m_UpTimerHandler;
TimerHandle m_DownTimerHandler;
TimerHandle m_TrackUpTimerHandler;
TimerHandle m_TrackDownTimerHandler;
Point m_TrackMouseCoord;
friend class VLayout;
friend class ScrollView;
};
}
#endif // HSCROLLBAR_H
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