bcprogress.C

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#include <stdio.h>
#include <unistd.h>

#define PROGRESS_UP 0
#define PROGRESS_HI 1

#include "colors.h"
#include "fonts.h"
#include "bcprogress.h"
#include "bcpixmap.h"
#include "bcresources.h"

BC_ProgressBar::BC_ProgressBar(int x, int y, int w, int64_t length, int do_text)
 : BC_SubWindow(x, y, w, 0, -1)
{
        this->length = length;
        this->do_text = do_text;
        position = 0;
        pixel = 0;
        for(int i = 0; i < 2; i++) images[i] = 0;
        do_text = 1;
}

BC_ProgressBar::~BC_ProgressBar()
{
    for(int i = 0; i < 2; i++)
            if (images[i]) delete images[i];
}

int BC_ProgressBar::initialize()
{
        set_images();
        h = images[PROGRESS_UP]->get_h();

        BC_SubWindow::initialize();
        draw(1);
        return 0;
}

int BC_ProgressBar::reposition_window(int x, int y, int w, int h)
{
        if(w < 0) w = get_w();
        if(h < 0) h = get_h();
        BC_WindowBase::reposition_window(x, y, w, h);
        draw(1);
}

void BC_ProgressBar::set_do_text(int value)
{
        this->do_text = value;
}

int BC_ProgressBar::set_images()
{
        for(int i = 0; i < 2; i++)
                if(images[i]) delete images[i];

        for(int i = 0; i < 2; i++)
        {
                images[i] = new BC_Pixmap(parent_window, 
                        get_resources()->progress_images[i], 
                        PIXMAP_ALPHA);
        }
        return 0;
}


int BC_ProgressBar::draw(int force)
{
        char string[32];
        int new_pixel;

        new_pixel = (int)(((float)position / length) * get_w());

        if(new_pixel != pixel || force)
        {
                pixel = new_pixel;
// Clear background
                draw_top_background(parent_window, 0, 0, get_w(), get_h());
                draw_3segmenth(0, 0, pixel, 0, get_w(), images[PROGRESS_HI]);
                draw_3segmenth(pixel, 0, get_w() - pixel, 0, get_w(), images[PROGRESS_UP]);


                if(do_text)
                {
                        set_font(MEDIUMFONT);
                        set_color(get_resources()->progress_text);     // draw decimal percentage
                        sprintf(string, "%d%%", (int)(100 * (float)position / length + 0.5 / w));
                        draw_center_text(w / 2, h / 2 + get_text_ascent(MEDIUMFONT) / 2, string);
                }
                flash();
        }
        return 0;
}

int BC_ProgressBar::update(int64_t position)
{
        this->position = position;
        draw();
        return 0;
}

int BC_ProgressBar::update_length(int64_t length)
{
        this->length = length;
        position = 0;

        draw();
        return 0;
}

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