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#include "Slider.h"
#include "Graphics.h"
#include "Image.h"
#include "SliderListener.h"
#include "WidgetManager.h"
#include "SexyAppBase.h"
using namespace Sexy;
Slider::Slider(Image* theTrackImage, Image* theThumbImage, int theId, SliderListener* theListener) :
mTrackImage(theTrackImage),
mThumbImage(theThumbImage),
mId(theId),
mListener(theListener),
mVal(0.0)
{
mDragging = false;
mHorizontal = true;
mRelX = mRelY = 0;
}
void Slider::SetValue(double theValue)
{
mVal = theValue;
if (mVal < 0.0)
mVal = 0.0;
else if (mVal > 1.0)
mVal = 1.0;
MarkDirtyFull();
}
bool Slider::HasTransparencies()
{
return true;
}
void Slider::Draw(Graphics* g)
{
if (mTrackImage != NULL)
{
int cw = mHorizontal ? mTrackImage->GetWidth()/3 : mTrackImage->GetWidth();
int ch = mHorizontal ? mTrackImage->GetHeight() : mTrackImage->GetHeight()/3;
if (mHorizontal)
{
int ty = (mHeight - ch) / 2;
g->DrawImage(mTrackImage, 0, ty, Rect(0, 0, cw, ch));
Graphics aClipG(*g);
aClipG.ClipRect(cw, ty, mWidth - cw*2, ch);
for (int i = 0; i < (mWidth-cw*2+cw-1)/cw; i++)
aClipG.DrawImage(mTrackImage, cw + i*cw, ty, Rect(cw, 0, cw, ch));
g->DrawImage(mTrackImage, mWidth-cw, ty, Rect(cw*2, 0, cw, ch));
}
else
{
g->DrawImage(mTrackImage, 0, 0, Rect(0, 0, cw, ch));
Graphics aClipG(*g);
aClipG.ClipRect(0, ch, cw, mHeight - ch * 2);
for (int i = 0; i < (mHeight-ch*2+ch-1)/ch; i++)
aClipG.DrawImage(mTrackImage, 0, ch + i*ch, Rect(0, ch, cw, ch));
g->DrawImage(mTrackImage, 0, mHeight-ch, Rect(0, ch*2, cw, ch));
}
}
if (mHorizontal && (mThumbImage != NULL))
g->DrawImage(mThumbImage, (int) (mVal * (mWidth - mThumbImage->GetWidth())), (mHeight - mThumbImage->GetHeight()) / 2);
else if (!mHorizontal && (mThumbImage != NULL))
g->DrawImage(mThumbImage, (mWidth - mThumbImage->GetWidth()) / 2, (int) (mVal * (mHeight - mThumbImage->GetHeight())));
//g->SetColor(Color(255, 255, 0));
//g->FillRect(0, 0, mWidth, mHeight);
}
void Slider::MouseDown(int x, int y, int theClickCount)
{
if (mHorizontal)
{
int aThumbX = (int) (mVal * (mWidth - mThumbImage->GetWidth()));
if ((x >= aThumbX) && (x < aThumbX + mThumbImage->GetWidth()))
{
mWidgetManager->mApp->SetCursor(CURSOR_DRAGGING);
mDragging = true;
mRelX = x - aThumbX;
}
else
{
// clicked on the bar, set position to mouse click
double pos = (double)x / mWidth;
SetValue(pos);
}
}
else
{
int aThumbY = (int) (mVal * (mHeight - mThumbImage->GetHeight()));
if ((y >= aThumbY) && (y < aThumbY + mThumbImage->GetHeight()))
{
mWidgetManager->mApp->SetCursor(CURSOR_DRAGGING);
mDragging = true;
mRelY = y - aThumbY;
}
else
{
// clicked on the bar, set position to mouse click
double pos = (double)y / mHeight;
SetValue(pos);
}
}
}
void Slider::MouseMove(int x, int y)
{
if (mHorizontal)
{
int aThumbX = (int) (mVal * (mWidth - mThumbImage->GetWidth()));
if ((x >= aThumbX) && (x < aThumbX + mThumbImage->GetWidth()))
mWidgetManager->mApp->SetCursor(CURSOR_DRAGGING);
else
mWidgetManager->mApp->SetCursor(CURSOR_POINTER);
}
else
{
int aThumbY = (int) (mVal * (mHeight - mThumbImage->GetHeight()));
if ((y >= aThumbY) && (y < aThumbY + mThumbImage->GetHeight()))
mWidgetManager->mApp->SetCursor(CURSOR_DRAGGING);
else
mWidgetManager->mApp->SetCursor(CURSOR_POINTER);
}
}
void Slider::MouseDrag(int x, int y)
{
if (mDragging)
{
double anOldVal = mVal;
if (mHorizontal)
mVal = (x - mRelX) / (double) (mWidth - mThumbImage->GetWidth());
else
mVal = (y - mRelY) / (double) (mHeight - mThumbImage->GetHeight());
if (mVal < 0.0)
mVal = 0.0;
if (mVal > 1.0)
mVal = 1.0;
if (mVal != anOldVal)
{
mListener->SliderVal(mId, mVal);
MarkDirtyFull();
}
}
}
void Slider::MouseUp(int x, int y)
{
mDragging = false;
mWidgetManager->mApp->SetCursor(CURSOR_POINTER);
mListener->SliderVal(mId, mVal);
}
void Slider::MouseLeave()
{
if (!mDragging)
mWidgetManager->mApp->SetCursor(CURSOR_POINTER);
}
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