/*
        
        ChartView.cpp
        
        by Pierre Raynaud-Richard.
        
*/

/*
        Copyright 1999, Be Incorporated.   All Rights Reserved.
        This file may be used under the terms of the Be Sample Code License.
*/

#include "ChartView.h"
#include "ChartWindow.h"


ChartView::ChartView(BRect rect) 
        :
        BView(rect, "", B_FOLLOW_ALL, B_WILL_DRAW) 
{
}


/* The drawing function just draw the offscreen if it exists and is used */
void
ChartView::Draw(BRect rect)
{
        ChartWindow *window = dynamic_cast<ChartWindow *>(Window());
        if (window == NULL)
                return;

        if ((window->fOffscreen != 0) && (window->fCurrentSettings.display == DISPLAY_BITMAP))
                DrawBitmap(window->fOffscreen, rect, rect);
}


/* Send a message to the window if the user click anywhere in the animation
   view. This is used to go out of fullscreen demo mode. */
void
ChartView::MouseDown(BPoint where)
{
        Window()->PostMessage(BACK_DEMO_MSG);
}


/* Another straightforward constructor. The default target setting for the
   frames/s vue-meter is 5 (as 5 * 12 = 60 frames/s) */
InstantView::InstantView(BRect rect) 
        :
        BView(rect, "", B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW)
{
        step = 5;
}


/* Draw the colored bars of the vue-meter depending the current framerate
   of the window animation. The color coding depends of the target framerate
   as encoded by step. */
void
InstantView::Draw(BRect rect)
{
        ChartWindow *window = dynamic_cast<ChartWindow *>(Window());
        if (window == NULL)
                return;

        for (int32 i = 0; i < window->fInstantLoadLevel; i++) {
                if (i < step)
                        SetHighColor(255, 90, 90);
                else if ((i / step) & 1)
                        SetHighColor(90, 255, 90);
                else
                        SetHighColor(40, 200, 40);
                FillRect(BRect(3 + i * 4, 2, 5 + i * 4, 19));
        }
        Flush();
}


ChartColorControl::ChartColorControl(BPoint start, BMessage *message)
        :
        BColorControl(start, B_CELLS_32x8, 8.0, "", message)
{
}


/* We overwrite SetValue to send a message to the target everytime
   the setting change and not only at the end. */
void
ChartColorControl::SetValue(int32 colorValue)
{
        BLooper *looper;

        BColorControl::SetValue(colorValue);
        Target(&looper);
        if (looper) {
                BMessage msg(*Message());
                msg.AddInt32("be:value", colorValue);
                looper->PostMessage(&msg);
        }
}