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/*

 * IceWM

 *

 * Copyright (C) 1997-2001 Marko Macek

 */

#include "config.h"

#include "ytooltip.h"



#ifdef CONFIG_TOOLTIP

#include "base.h"

#include "prefs.h"



#include <string.h>



YColor *YToolTip::toolTipBg = 0;

YColor *YToolTip::toolTipFg = 0;



YFont *YToolTip::toolTipFont = 0;

YTimer *YToolTip::fToolTipVisibleTimer = 0;



YToolTip::YToolTip(YWindow *aParent): YWindow(aParent) {

    if (toolTipBg == 0)

        toolTipBg = new YColor(clrToolTip);

    if (toolTipFg == 0)

        toolTipFg = new YColor(clrToolTipText);

    if (toolTipFont == 0)

        toolTipFont = YFont::getFont(toolTipFontName);



    fText = 0;

    setStyle(wsOverrideRedirect);

}



YToolTip::~YToolTip() {

    delete fText; fText = 0;

    if (fToolTipVisibleTimer) {

        if (fToolTipVisibleTimer->getTimerListener() == this) {

            fToolTipVisibleTimer->setTimerListener(0);

            fToolTipVisibleTimer->stopTimer();

        }

    }

}



void YToolTip::paint(Graphics &g, int /*x*/, int /*y*/, unsigned int /*width*/, unsigned int /*height*/) {

    g.setColor(toolTipBg);

    g.fillRect(0, 0, width(), height());

    g.setColor(YColor::black);

    g.drawRect(0, 0, width() - 1, height() - 1);

    if (fText) {

        int y = toolTipFont->ascent() + 2;

        g.setFont(toolTipFont);

        g.setColor(toolTipFg);

	g.drawStringMultiline(3, y, fText);

    }

}



void YToolTip::setText(const char *tip) {

    delete fText; fText = 0;

    if (tip) {

        fText = newstr(tip);

        if (fText) {

	    YDimension const size(toolTipFont->multilineAlloc(fText));

            setSize(size.w + 6, size.h + 7);

        } else {

            setSize(20, 20);

        }



        //!!! merge with below code in locate

        int x = this->x();

        int y = this->y();

        if (x + width() >= desktop->width())

            x = desktop->width() - width();

        if (y + height() >= desktop->height())

            y = desktop->height() - height();

        if (y < 0)

            y = 0;

        if (x < 0)

            x = 0;

        setPosition(x, y);

    }

    repaint();

}



bool YToolTip::handleTimer(YTimer *t) {

    if (t == fToolTipVisibleTimer && fToolTipVisibleTimer)

        hide();

    else

        display();

    return false;

}



void YToolTip::display() {

    raise();

    show();



    if (!fToolTipVisibleTimer && ToolTipTime > 0)

        fToolTipVisibleTimer = new YTimer(ToolTipTime);



    if (fToolTipVisibleTimer) {

        fToolTipVisibleTimer->setTimerListener(this);

        fToolTipVisibleTimer->startTimer();

    }

}



void YToolTip::locate(YWindow *w, const XCrossingEvent &/*crossing*/) {

    int x, y;



    x = w->width() / 2;

    y = w->height();

    w->mapToGlobal(x, y);

    x -= width() / 2;

    if (x + width() >= desktop->width())

        x = desktop->width() - width();

    if (y + height() >= desktop->height())

        y -= height() + w->height();

    if (y < 0)

        y = 0;

    if (x < 0)

        x = 0;

    setPosition(x, y);

}

#endif