canvastools.C

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#include "canvastools.h"
#include "mwindowgui.h"
#include "trackcanvas.h"



CanvasTool::CanvasTool(MWindow *mwindow, 
                TrackCanvas *trackcanvas,
                Edit *edit,
                int x,
                int y,
                VFrame **data)
 : BC_Button(x, y, data)
{
        this->mwindow = mwindow;
        this->trackcanvas = trackcanvas;
        this->edit = edit;
        visible = 1;
}

CanvasTool::~CanvasTool()
{
}




CanvasTools::CanvasTools(MWindow *mwindow,
                TrackCanvas *trackcanvas)
 : ArrayList<CanvasTool*>()
{
        this->mwindow = mwindow;
        this->trackcanvas = trackcanvas;
}

CanvasTools::~CanvasTools()
{
        remove_all_objects();
}

void CanvasTools::decrease_visible()
{
        for(int i = 0; i < total; i++)
                values[i]->visible--;
}

void CanvasTools::delete_invisible()
{
        for(int i = total - 1; i >= 0; i--)
                if(values[i]->visible < 1)
                {
                        delete values[i];
                        remove(values[i]);
                }       
}

// Region is visible on track canvas
int CanvasTools::visible(int x, int y, int w, int h)
{
        return MWindowGUI::visible(x, x + w, 0, trackcanvas->get_w()) &&
                MWindowGUI::visible(y, y + h, 0, trackcanvas->get_h());
}

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