From 47e80ef6b9ce27b6acb252ceb412fc3260b85c53 Mon Sep 17 00:00:00 2001 From: Peter Penz Date: Sat, 27 Mar 2010 13:08:46 +0000 Subject: Don't recreate and destroy the tooltip widget on each show/hide operation, just use set the widget visible/invisible and update the content instead svn path=/trunk/KDE/kdebase/apps/; revision=1107992 --- src/tooltips/ktooltipwindow.cpp | 90 ----------------------------------------- 1 file changed, 90 deletions(-) delete mode 100644 src/tooltips/ktooltipwindow.cpp (limited to 'src/tooltips/ktooltipwindow.cpp') diff --git a/src/tooltips/ktooltipwindow.cpp b/src/tooltips/ktooltipwindow.cpp deleted file mode 100644 index 035e141eb..000000000 --- a/src/tooltips/ktooltipwindow.cpp +++ /dev/null @@ -1,90 +0,0 @@ -/******************************************************************************* - * Copyright (C) 2008 by Fredrik Höglund * - * Copyright (C) 2008 by Konstantin Heil * - * Copyright (C) 2009 by Peter Penz * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - *******************************************************************************/ - -#include "ktooltipwindow_p.h" - -#include -#include - -#include -#include - -KToolTipWindow::KToolTipWindow(QWidget* content) : - QWidget(0) -{ - setAttribute(Qt::WA_TranslucentBackground); - setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint); - - QVBoxLayout* layout = new QVBoxLayout(this); - layout->addWidget(content); -} - -KToolTipWindow::~KToolTipWindow() -{ -} - -void KToolTipWindow::paintEvent(QPaintEvent* event) -{ - Q_UNUSED(event); - - QPainter painter(this); - - QColor toColor = palette().brush(QPalette::ToolTipBase).color(); - QColor fromColor = KColorScheme::shade(toColor, KColorScheme::LightShade, 0.2); - - const bool haveAlphaChannel = KWindowSystem::compositingActive(); - if (haveAlphaChannel) { - painter.setRenderHint(QPainter::Antialiasing); - painter.translate(0.5, 0.5); - toColor.setAlpha(220); - fromColor.setAlpha(220); - } - - QLinearGradient gradient(QPointF(0.0, 0.0), QPointF(0.0, height())); - gradient.setColorAt(0.0, fromColor); - gradient.setColorAt(1.0, toColor); - painter.setPen(Qt::NoPen); - painter.setBrush(gradient); - - const QRect rect(0, 0, width(), height()); - if (haveAlphaChannel) { - const qreal radius = 5.0; - - QPainterPath path; - path.moveTo(rect.left(), rect.top() + radius); - arc(path, rect.left() + radius, rect.top() + radius, radius, 180, -90); - arc(path, rect.right() - radius, rect.top() + radius, radius, 90, -90); - arc(path, rect.right() - radius, rect.bottom() - radius, radius, 0, -90); - arc(path, rect.left() + radius, rect.bottom() - radius, radius, 270, -90); - path.closeSubpath(); - - painter.drawPath(path); - } else { - painter.drawRect(rect); - } -} - -void KToolTipWindow::arc(QPainterPath& path, qreal cx, qreal cy, qreal radius, qreal angle, qreal sweeplength) -{ - path.arcTo(cx-radius, cy-radius, radius * 2, radius * 2, angle, sweeplength); -} - -#include "ktooltipwindow_p.moc" -- cgit v1.3