/*
 * Copyright 2001-2006, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Rafael Romo
 *              Stefano Ceccherini (burton666@libero.it)
 *              Axel Dörfler, axeld@pinc-software.de
 */


#include "RefreshSlider.h"
#include "Constants.h"

#include <Catalog.h>
#include <String.h>
#include <Window.h>

#include <new>
#include <stdio.h>


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Screen"


RefreshSlider::RefreshSlider(BRect frame, float min, float max, uint32 resizingMode)
        : BSlider(frame, B_TRANSLATE("Screen"), B_TRANSLATE("Refresh rate:"),
                new BMessage(SLIDER_INVOKE_MSG), (int32)rintf(min * 10), (int32)rintf(max * 10),
                B_BLOCK_THUMB, resizingMode),
        fStatus(new (std::nothrow) char[32])
{
        BString minRefresh;
        minRefresh << (uint32)min;
        BString maxRefresh;
        maxRefresh << (uint32)max;
        SetLimitLabels(minRefresh.String(), maxRefresh.String());

        SetHashMarks(B_HASH_MARKS_BOTTOM);
        SetHashMarkCount(uint32(max - min) / 5 + 1);

        SetKeyIncrementValue(1);
}


RefreshSlider::~RefreshSlider()
{
        delete[] fStatus;
}


void
RefreshSlider::DrawFocusMark()
{
        if (IsFocus()) {
                rgb_color blue = { 0, 0, 229, 255 };
                
                BRect rect(ThumbFrame());               
                BView *view = OffscreenView();
                                
                rect.InsetBy(2.0, 2.0);
                rect.right--;
                rect.bottom--;
                
                view->SetHighColor(blue);
                view->StrokeRect(rect);
        }
}


void
RefreshSlider::KeyDown(const char *bytes, int32 numBytes)
{
        switch (*bytes) {
                case B_LEFT_ARROW:
                {
                        SetValue(Value() - 1);
                        Invoke();
                        break;
                }
                
                case B_RIGHT_ARROW:
                {
                        SetValue(Value() + 1);
                        Invoke();
                        break;
                }

                default:
                        break;
        }
}


const char*
RefreshSlider::UpdateText() const
{
        if (fStatus != NULL)
                snprintf(fStatus, 32, B_TRANSLATE("%.1f Hz"), (float)Value() / 10);

        return fStatus;
}