/* vim:tabstop=4:expandtab:shiftwidth=4 *  * Idesk -- XCaption.cpp * * Copyright (c) 2002, Chris (nikon) (nikon@sc.rr.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: *  *      Redistributions of source code must retain the above copyright *      notice, this list of conditions and the following disclaimer. *       *      Redistributions in binary form must reproduce the above copyright *      notice, this list of conditions and the following disclaimer in the *      documentation and/or other materials provided with the distribution. *       *      Neither the name of the <ORGANIZATION> nor the names of its *      contributors may be used to endorse or promote products derived from *      this software without specific prior written permission. * * (See the included file COPYING / BSD ) */#include "XCaption.h"#include "XIconWithShadow.h"XCaption::XCaption(AbstractContainer * c, AbstractIcon * iParent,                   AbstractConfig * con, AbstractIconConfig * iConfig)            : AbstractCaption(c, iParent, con, iConfig), FONTSHIFT(4){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    imlibData = xContainer->getImlibData();    spareRoot = xContainer->getSpareRoot();    visual = DefaultVisual(xContainer->getDisplay(),                            DefaultScreen( xContainer->getDisplay() ) );    cmap = DefaultColormap( xContainer->getDisplay(),                            DefaultScreen( xContainer->getDisplay() ) );    configure();    createFont();}XCaption::~XCaption(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XftColorFree( xContainer->getDisplay(), visual, cmap, &fontColor );    if (shadowOn)    {    XftColorFree( xContainer->getDisplay(), visual, cmap, &shadowFontColor );    }    XFreePixmap(xContainer->getDisplay(), buffer);    XFreeGC(xContainer->getDisplay(), gc);    XFreeGC(xContainer->getDisplay(), bufferGc);}void XCaption::configure(){    DesktopIconConfig * dIconConfig =        dynamic_cast<DesktopIconConfig *>(iconConfig);    //grab the text    text = iconConfig->getCaption();        //set boldness    if (dIconConfig->getBoldness())        boldVal = XFT_WEIGHT_BOLD;    else        boldVal = XFT_WEIGHT_MEDIUM;    //set shadow options    shadowOn = dIconConfig->isShadow();    shadowX = dIconConfig->getShadowX();    shadowY = dIconConfig->getShadowY();    shadowColor = dIconConfig->getShadowColor();    //captionOnHover    captionOnHover = dIconConfig->getCaptionOnHover();}void XCaption::createFont(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    DesktopIconConfig * dIconConfig =        dynamic_cast<DesktopIconConfig *>(iconConfig);    font = XftFontOpen( xContainer->getDisplay(),                        DefaultScreen( xContainer->getDisplay()),                         XFT_FAMILY,                        XftTypeString,                        (char*)dIconConfig->getFont().c_str(),                        XFT_SIZE,                        XftTypeDouble,                        (double)dIconConfig->getFontSize(),                         XFT_WEIGHT, XftTypeInteger, boldVal,                        NULL );        XftColorAllocName(xContainer->getDisplay(), visual, cmap,                      (char*)dIconConfig->getFontColor().c_str(), &fontColor );    if (shadowOn)        XftColorAllocName(xContainer->getDisplay(), visual, cmap,                          (char*)shadowColor.c_str(), &shadowFontColor );}Window * XCaption::getWindow(){    return &window;}void XCaption::createWindow(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XSetWindowAttributes attr;    attr.override_redirect = True;    attr.event_mask = SubstructureRedirectMask |                      SubstructureNotifyMask   |                      ButtonPressMask          |                      ButtonReleaseMask        |                      PointerMotionMask        |                      EnterWindowMask          |                      LeaveWindowMask          |                      PropertyChangeMask       |                      ExposureMask;    XftTextExtents8( xContainer->getDisplay(), font, (XftChar8*)text.c_str(), text.length(), &fontInfo );    // fix window extents so shadow text is not cut    // TODO: fix window extents if shadow is negative:    // Would have to edit x and y of the window    width = fontInfo.width + FONTSHIFT;    height = font->height;    if (shadowOn)    {        width += shadowX > 0 ? shadowX : 0;        height += shadowY > 0 ? shadowY : 0;    }    window = XCreateWindow( xContainer->getDisplay(),                            xContainer->getRootWindow(),                            0,                            0,                            fontInfo.width + FONTSHIFT,                            font->height,                            0,                            CopyFromParent,                            CopyFromParent,                            CopyFromParent,                            CWOverrideRedirect|CWEventMask,                            &attr );    buffer = XCreatePixmap(xContainer->getDisplay(), window,                           fontInfo.width + FONTSHIFT, font->height,                           DefaultDepth(xContainer->getDisplay(),                                     DefaultScreen(xContainer->getDisplay())));    gc = XCreateGC(xContainer->getDisplay(), window, 0, 0);    bufferGc = XCreateGC(xContainer->getDisplay(), buffer, 0, 0);    XSetForeground(xContainer->getDisplay(), bufferGc, 0xffffff);    XSetLineAttributes(xContainer->getDisplay(), bufferGc, 2, LineSolid,                       CapRound, JoinRound);    getXftDrawHandle();}void XCaption::getXftDrawHandle(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    fontDrawHandle = XftDrawCreate(xContainer->getDisplay(), buffer, visual,                                   cmap);}void XCaption::lowerWindow(){       XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XLowerWindow( xContainer->getDisplay(), window );}void XCaption::draw(){       XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XIconWithShadow * sIcon = dynamic_cast<XIconWithShadow *>(iconParent);        ImlibImage *textBackground;    int fX, fY;    // using the spareRoot image (the background image created at startup)     // instead of dynamically geting the window to speed things up.        fX = iconParent->getX() + ( iconParent->getWidth() - fontInfo.width )/2;    fY = iconParent->getY() + iconParent->getHeight() + FONTSHIFT;    textBackground = Imlib_crop_and_clone_image(imlibData, spareRoot, fX, fY,                                                fontInfo.width + FONTSHIFT,                                                font->height);    Imlib_paste_image(imlibData, textBackground, buffer, 0, 0,                      fontInfo.width + FONTSHIFT, font->height);    Imlib_kill_image(imlibData, textBackground);    // if the icon shadow is enabled and the shadow is visible underneath the    // text window    if (sIcon &&        sIcon->getShadowX() > fX - sIcon->getWidth() &&        sIcon->getShadowY() > fY - sIcon->getHeight() &&        sIcon->getShadowX() < fX + sIcon->getWidth() &&        sIcon->getShadowY() < fY + sIcon->getHeight() )            sIcon->renderShadowToImage(buffer, fX, fY);            updateText();    XMoveWindow( xContainer->getDisplay(), window, fX, fY );        //apply the buffer to the window    XSetFillStyle(xContainer->getDisplay(), gc, FillTiled);    XSetTile(xContainer->getDisplay(), gc, buffer);    XFillRectangle(xContainer->getDisplay(), window, gc, 0, 0,            fontInfo.width + FONTSHIFT, font->height);}void XCaption::updateText(){       XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);        // unnecessary with the double buffering    //XClearWindow( xContainer->getDisplay(), buffer );        XSetForeground(xContainer->getDisplay(), gc, 0xffffff);    XSetLineAttributes(xContainer->getDisplay(), gc, 2, LineSolid, CapRound,                       JoinRound);    XDrawArc(xContainer->getDisplay(), window, gc, 0, 3, width, height,            0, 0);        if (shadowOn)        XftDrawString8( fontDrawHandle, &shadowFontColor, font, FONTSHIFT/2 + shadowX, font->ascent + shadowY, (XftChar8*)text.c_str(), text.length() );    XftDrawString8( fontDrawHandle, &fontColor, font, FONTSHIFT/2, font->ascent, (XftChar8*)text.c_str(), text.length() );}int XCaption::getFontWidth(){    return fontInfo.width;}int XCaption::getFontHeight(){    return font->height;}void XCaption::mapWindow(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XMapWindow( xContainer->getDisplay(), window );}void XCaption::initMapWindow(){    if (!captionOnHover)        mapWindow();}void XCaption::unmapWindow(){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XUnmapWindow( xContainer->getDisplay(), window );}void XCaption::moveWindow(int xC, int yC){    XDesktopContainer * xContainer =        dynamic_cast<XDesktopContainer *>(container);    XMoveWindow( xContainer->getDisplay(), window, xC, yC );}void XCaption::mouseOverEffect(){    if (captionOnHover)        mapWindow();}void XCaption::mouseOffEffect(){    if (captionOnHover)        unmapWindow();}