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251 lines
7.1 KiB
251 lines
7.1 KiB
/* amorbubble.cpp
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**
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** Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
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**
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*/
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/*
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) 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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** You should have received a copy of the GNU General Public License
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** along with this program in a file called COPYING; if not, write to
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** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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** MA 02110-1301, USA.
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*/
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/*
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** Bug reports and questions can be sent to kde-devel@kde.org
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*/
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#include "amorbubble.h"
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#include "amorbubble.moc"
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#include <qpainter.h>
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#include <ktextbrowser.h>
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#include <qtooltip.h>
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#include <kstandarddirs.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/shape.h>
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#include <qtimer.h>
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#define ARROW_WIDTH 10
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#define ARROW_HEIGHT 12
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#define BORDER_SIZE 4
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#define BUBBLE_OFFSET 16
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#define BUBBLE_TIMEOUT 4000 // Minimum milliseconds to display a tip
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//---------------------------------------------------------------------------
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//
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// Constructor
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//
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AmorBubble::AmorBubble()
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: QWidget(0, 0, WStyle_Customize | WStyle_NoBorder | WX11BypassWM )
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{
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mOriginX = 0;
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mOriginY = 0;
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mBrowser = new KTextBrowser( this );
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mBrowser->setFrameStyle( QFrame::NoFrame | QFrame::Plain );
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mBrowser->setMargin( 0 );
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mBrowser->setWrapPolicy(QTextEdit::AtWordOrDocumentBoundary); // too long to fit in one line?
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QColorGroup clgrp = mBrowser->colorGroup();
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clgrp.setColor(QColorGroup::Text, Qt::black);
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//Laurent QTextBrowser didn't have this function FIX me
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//mBrowser->setPaperColorGroup( clgrp );
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mBrowser->setPaper( QToolTip::palette().active().brush( QColorGroup::Background ) );
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mBrowser->setVScrollBarMode( QTextBrowser::AlwaysOff );
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mBrowser->setHScrollBarMode( QTextBrowser::AlwaysOff );
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mBrowser->viewport()->installEventFilter( this );
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mBrowser->mimeSourceFactory()->addFilePath(KGlobal::dirs()->findResourceDir("data", "kdewizard/pics")+"kdewizard/pics/");
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QStringList icons = KGlobal::dirs()->resourceDirs("icon");
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QStringList::Iterator it;
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for (it = icons.begin(); it != icons.end(); ++it)
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mBrowser->mimeSourceFactory()->addFilePath(*it);
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mMouseWithin = false;
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}
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//---------------------------------------------------------------------------
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//
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// Destructor
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//
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AmorBubble::~AmorBubble()
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{
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}
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//---------------------------------------------------------------------------
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//
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// Set the message to display in the bubble. Causes the geometry of the
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// widget to be recalculated.
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//
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void AmorBubble::setMessage(const QString& message)
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{
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mMessage = QString( "<html>%1</html>" ).arg( message );
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// hacks because heightForWidth() doesn't work.
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setGeometry( -1000, 0, 300, 1000 );
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show();
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mBrowser->setGeometry( 0, 0, 250, 1000 );
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mBrowser->setText( mMessage );
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calcGeometry();
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}
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//---------------------------------------------------------------------------
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//
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// Calculates the size, position and mask of the bubble
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//
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void AmorBubble::calcGeometry()
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{
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mBound = QRect( 0, 0, 250, 0 );
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// mBound.setHeight( mBrowser->heightForWidth( mBound.width() ) );
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mBound.setHeight( mBrowser->contentsHeight() );
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mBound.moveBy(ARROW_WIDTH+BORDER_SIZE, BORDER_SIZE);
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// initialise the default geometry of the bubble
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int w = mBound.width() + BORDER_SIZE * 2 + ARROW_WIDTH;
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int h = mBound.height() + BORDER_SIZE * 2;
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int xpos = mOriginX + BUBBLE_OFFSET;
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int ypos = mOriginY - BORDER_SIZE - ARROW_HEIGHT / 2;
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mArrowVert = Top;
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mArrowHorz = Left;
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// The actual position of the bubble may change if it is too close to
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// the desktop boundary.
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if (mOriginX + w > kapp->desktop()->width())
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{
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// source on right
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xpos = mOriginX - w - BUBBLE_OFFSET;
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mArrowHorz = Right;
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mBound.moveBy( -ARROW_WIDTH, 0 );
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}
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if (mOriginY + h > kapp->desktop()->height())
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{
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// source at bottom
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ypos = mOriginY - h + BORDER_SIZE + ARROW_HEIGHT / 2;
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mArrowVert = Bottom;
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}
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// Check for negative vertical bubble position (top of the screen)
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if ( ypos < 0 )
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ypos = 0;
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setGeometry(xpos, ypos, w, h);
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mBrowser->setGeometry( mBound );
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// create and apply the shape mask
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mMask.resize(w, h);
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mMask.fill(color0);
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QPainter maskPainter(&mMask);
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maskPainter.setPen(color1);
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maskPainter.setBrush(color1);
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drawBubble(maskPainter);
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XShapeCombineMask( x11Display(), winId(), ShapeBounding, 0, 0,
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mMask.handle(), ShapeSet );
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}
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//---------------------------------------------------------------------------
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//
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// Draw the bubble that text will be draw into using the current pen
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// as the outline and the current brush as the fill.
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//
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void AmorBubble::drawBubble(QPainter &p)
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{
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QPointArray pointArray(3);
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int left = ARROW_WIDTH;
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if (mArrowHorz == Left)
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{
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pointArray.setPoint(0, ARROW_WIDTH+1, 0);
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pointArray.setPoint(1, 0, -3);
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pointArray.setPoint(2, ARROW_WIDTH+1, ARROW_HEIGHT);
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}
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else
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{
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pointArray.setPoint(0, 0, 0);
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pointArray.setPoint(1, ARROW_WIDTH+1, -3);
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pointArray.setPoint(2, 0, ARROW_HEIGHT);
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pointArray.translate(width() - ARROW_WIDTH - 1, 0);
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left = 0;
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}
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if (mArrowVert == Top)
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{
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pointArray.translate(0, BORDER_SIZE + ARROW_HEIGHT / 2);
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}
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else
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{
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pointArray.translate(0, height() - BORDER_SIZE - ARROW_HEIGHT / 2);
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}
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// p.drawRoundRect(left, 0, width() - ARROW_WIDTH, height(), 10, 20);
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p.drawRect(left, 0, width() - ARROW_WIDTH, height());
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QPen pen(p.pen());
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p.setPen(NoPen);
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p.drawPolygon(pointArray);
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p.setPen(pen);
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p.drawPolyline(pointArray, 0, 3);
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}
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//---------------------------------------------------------------------------
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//
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// Draw the message in a bubble
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//
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void AmorBubble::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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painter.setPen(black);
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painter.setBrush( QToolTip::palette().active().brush( QColorGroup::Background ) );
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drawBubble(painter);
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}
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//---------------------------------------------------------------------------
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//
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// The user clicked on the widget
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//
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void AmorBubble::mouseReleaseEvent(QMouseEvent *)
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{
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hide();
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}
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//---------------------------------------------------------------------------
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//
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bool AmorBubble::eventFilter( QObject *, QEvent *e )
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{
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switch ( e->type() )
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{
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// GP case QEvent::Enter:
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// GP mBubbleTimer->stop();
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// GP break;
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// GP case QEvent::Leave:
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// GP if ( isVisible() )
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// GP mBubbleTimer->start( 1000, true );
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// GP break;
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case QEvent::Enter:
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mMouseWithin = true;
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break;
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case QEvent::Leave:
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mMouseWithin = false;
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break;
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case QEvent::MouseButtonRelease:
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hide(); // GP This is the only reason a bubble might posibly be created but hidden
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break;
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default:
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break;
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}
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return false;
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}
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