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196 lines
5.3 KiB
196 lines
5.3 KiB
15 years ago
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/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-07-15
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* Description : themed icon item
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*
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* Copyright (C) 2005 by Renchi Raju <renchi at pooh.tam.uiuc.edu>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// Qt includes.
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#include <qpainter.h>
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#include <qpixmap.h>
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#include <qpalette.h>
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#include <qpen.h>
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#include <qfontmetrics.h>
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#include <qfont.h>
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#include <qdatetime.h>
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// KDE includes.
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#include <kglobal.h>
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#include <klocale.h>
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#include <kapplication.h>
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#include <kiconloader.h>
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// Local includes.
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#include "themeengine.h"
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#include "themediconview.h"
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#include "themediconitem.h"
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namespace Digikam
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{
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static void dateToString(const QDateTime& datetime, QString& str)
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{
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str = KGlobal::locale()->formatDateTime(datetime, true, false);
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}
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static QString squeezedText(QPainter* p, int width, const QString& text)
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{
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QString fullText(text);
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fullText.replace("\n"," ");
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QFontMetrics fm(p->fontMetrics());
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int textWidth = fm.width(fullText);
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if (textWidth > width)
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{
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// start with the dots only
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QString squeezedText = "...";
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int squeezedWidth = fm.width(squeezedText);
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// estimate how many letters we can add to the dots on both sides
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int letters = fullText.length() * (width - squeezedWidth) / textWidth;
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if (width < squeezedWidth) letters=1;
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squeezedText = fullText.left(letters) + "...";
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squeezedWidth = fm.width(squeezedText);
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if (squeezedWidth < width)
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{
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// we estimated too short
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// add letters while text < label
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do
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{
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letters++;
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squeezedText = fullText.left(letters) + "...";
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squeezedWidth = fm.width(squeezedText);
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}
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while (squeezedWidth < width);
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letters--;
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squeezedText = fullText.left(letters) + "...";
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}
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else if (squeezedWidth > width)
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{
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// we estimated too long
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// remove letters while text > label
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do
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{
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letters--;
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squeezedText = fullText.left(letters) + "...";
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squeezedWidth = fm.width(squeezedText);
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}
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while (letters && squeezedWidth > width);
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}
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if (letters >= 5)
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{
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return squeezedText;
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}
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}
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return fullText;
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}
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ThemedIconItem::ThemedIconItem(IconGroupItem* parent)
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: IconItem(parent)
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{
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}
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ThemedIconItem::~ThemedIconItem()
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{
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}
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void ThemedIconItem::paintItem()
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{
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ThemedIconView* view = (ThemedIconView*)iconView();
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QPixmap pix;
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QRect r;
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if (isSelected())
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pix = *(view->itemBaseSelPixmap());
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else
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pix = *(view->itemBaseRegPixmap());
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ThemeEngine* te = ThemeEngine::instance();
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QPainter p(&pix);
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p.setPen(isSelected() ? te->textSelColor() : te->textRegColor());
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{
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r = view->itemPixmapRect();
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KIconLoader *iconLoader = KApplication::kApplication()->iconLoader();
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QPixmap thumbnail = iconLoader->loadIcon("colors", KIcon::NoGroup,
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100, KIcon::DefaultState, 0, true);
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p.drawPixmap(r.x() + (r.width()-thumbnail.width())/2,
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r.y() + (r.height()-thumbnail.height())/2,
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thumbnail);
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}
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r = view->itemNameRect();
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p.setFont(view->itemFontReg());
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p.drawText(r, Qt::AlignCenter, squeezedText(&p, r.width(), "IMG_00.JPG"));
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p.setFont(view->itemFontCom());
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r = view->itemCommentsRect();
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p.drawText(r, Qt::AlignCenter, squeezedText(&p, r.width(), i18n("Photo caption")));
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p.setFont(view->itemFontXtra());
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{
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QDateTime date = QDateTime::currentDateTime();
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r = view->itemDateRect();
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p.setFont(view->itemFontXtra());
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QString str;
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dateToString(date, str);
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p.drawText(r, Qt::AlignCenter, squeezedText(&p, r.width(), str));
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}
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p.setFont(view->itemFontCom());
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p.setPen(isSelected() ? te->textSpecialSelColor() : te->textSpecialRegColor());
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{
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QString tags = i18n("Events, Places, Vacation");
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r = view->itemTagRect();
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p.drawText(r, Qt::AlignCenter,
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squeezedText(&p, r.width(), tags));
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}
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if (this == view->currentItem())
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{
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p.setPen(QPen(isSelected() ? te->textSelColor() : te->textRegColor(),
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0, Qt::DotLine));
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p.drawRect(1, 1, pix.width()-2, pix.height()-2);
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}
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p.end();
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r = rect();
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r = QRect(view->contentsToViewport(QPoint(r.x(), r.y())),
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QSize(r.width(), r.height()));
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bitBlt(view->viewport(), r.x(), r.y(), &pix,
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0, 0, r.width(), r.height());
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}
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} // NameSpace Digikam
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