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remove delegate files

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This commit is contained in:
Marco Martin 2012-09-25 18:52:25 +02:00
parent 6c42c663bc
commit 85af2e142f
3 changed files with 0 additions and 625 deletions
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2
CMakeLists.txt
View File

@ -200,7 +200,6 @@ set(plasma_LIB_SRCS
#TODO: all those files will have to be deleted
# set (plasmaqgv_LIB_SRCS
# abstracttoolbox.cpp
# delegate.cpp
# dialog.cpp
# view.cpp
# private/themedwidgetinterface.cpp
@ -275,7 +274,6 @@ set(plasma_LIB_INCLUDES
corona.h
datacontainer.h
dataengine.h
delegate.h
dialog.h
pluginloader.h
paintutils.h

492
delegate.cpp
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@ -1,492 +0,0 @@
/*
Copyright 2007 Robert Knight <robertknight@gmail.com>
Copyright 2007 Kevin Ottens <ervin@kde.org>
Copyright 2008 Marco Martin <notmart@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// Own
#include "delegate.h"
#include <cmath>
#include <math.h>
// Qt
#include <QApplication>
#include <QFontMetrics>
#include <QIcon>
#include <QModelIndex>
#include <QPainter>
#include <QStyleOptionViewItem>
// KDE
#include <kdebug.h>
#include <kglobalsettings.h>
#include <kcolorscheme.h>
// plasma
#include <plasma/paintutils.h>
#include <plasma/framesvg.h>
namespace Plasma
{
class DelegatePrivate
{
public:
DelegatePrivate() { }
~DelegatePrivate() { }
QFont fontForSubTitle(const QFont &titleFont) const;
QRect titleRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
QRect subTitleRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
QMap<int, int> roles;
static const int ICON_TEXT_MARGIN = 10;
static const int TEXT_RIGHT_MARGIN = 5;
static const int ACTION_ICON_SIZE = 22;
static const int ITEM_LEFT_MARGIN = 5;
static const int ITEM_RIGHT_MARGIN = 5;
static const int ITEM_TOP_MARGIN = 5;
static const int ITEM_BOTTOM_MARGIN = 5;
bool m_showToolTip;
FrameSvg *svg;
};
QFont DelegatePrivate::fontForSubTitle(const QFont &titleFont) const
{
QFont subTitleFont = titleFont;
subTitleFont.setPointSize(qMax(subTitleFont.pointSize() - 2,
KGlobalSettings::smallestReadableFont().pointSize()));
return subTitleFont;
}
QRect DelegatePrivate::titleRect(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QFont font(option.font);
font.setBold(true);
QFontMetrics fm(font);
Qt::Alignment textAlignment =
option.decorationAlignment & Qt::AlignRight ? Qt::AlignRight : Qt::AlignLeft;
QRect emptyRect;
if (option.direction == Qt::LeftToRight) {
emptyRect = option.rect.adjusted(
option.decorationSize.width() + ICON_TEXT_MARGIN + ITEM_LEFT_MARGIN,
ITEM_TOP_MARGIN, -ITEM_RIGHT_MARGIN, -ITEM_BOTTOM_MARGIN);
} else {
emptyRect = option.rect.adjusted(
ITEM_LEFT_MARGIN, ITEM_TOP_MARGIN,
-ITEM_RIGHT_MARGIN - option.decorationSize.width() - ICON_TEXT_MARGIN, -ITEM_BOTTOM_MARGIN);
}
if (emptyRect.width() < 0) {
emptyRect.setWidth(0);
return emptyRect;
}
QRect textRect = QStyle::alignedRect(
option.direction,
textAlignment,
fm.boundingRect(index.data(Qt::DisplayRole).toString()).size(),
emptyRect);
textRect.setWidth(textRect.width() + TEXT_RIGHT_MARGIN);
textRect.setHeight(emptyRect.height() / 2);
return textRect;
}
QRect DelegatePrivate::subTitleRect(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QString subTitle = index.data(roles[Delegate::SubTitleRole]).toString();
QFontMetrics fm(fontForSubTitle(option.font));
QRect textRect = titleRect(option, index);
int right = textRect.right();
//if title=subtitle subtitle won't be displayed
if (subTitle != index.data(Qt::DisplayRole).toString()) {
textRect.setWidth(fm.width(" " + subTitle) + TEXT_RIGHT_MARGIN);
} else {
textRect.setWidth(0);
}
textRect.translate(0, textRect.height());
if (option.direction == Qt::RightToLeft) {
textRect.moveRight(right);
}
return textRect;
}
Delegate::Delegate(QObject *parent)
: QAbstractItemDelegate(parent),
d(new DelegatePrivate)
{
d->svg = new FrameSvg(this);
d->svg->setImagePath("widgets/viewitem");
d->svg->setElementPrefix("hover");
}
Delegate::~Delegate()
{
delete d;
}
void Delegate::setRoleMapping(SpecificRoles role, int actual)
{
d->roles[role] = actual;
}
int Delegate::roleMapping(SpecificRoles role) const
{
return d->roles[role];
}
QRect Delegate::rectAfterTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QRect textRect = d->titleRect(option, index);
QRect emptyRect(0, textRect.top(), option.rect.width() - textRect.width() - DelegatePrivate::ITEM_LEFT_MARGIN - DelegatePrivate::ITEM_RIGHT_MARGIN - option.decorationSize.width() - DelegatePrivate::ICON_TEXT_MARGIN, textRect.height());
if (option.direction == Qt::LeftToRight) {
emptyRect.moveLeft(textRect.right());
} else {
emptyRect.moveRight(textRect.left());
}
if (emptyRect.width() < 0) {
emptyRect.setWidth(0);
}
return emptyRect;
}
QRect Delegate::rectAfterSubTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QRect textRect = d->subTitleRect(option, index);
QRect emptyRect(0, textRect.top(), option.rect.width() - textRect.width() - DelegatePrivate::ITEM_LEFT_MARGIN - DelegatePrivate::ITEM_RIGHT_MARGIN - option.decorationSize.width() - DelegatePrivate::ICON_TEXT_MARGIN, textRect.height());
if (option.direction == Qt::LeftToRight) {
emptyRect.moveLeft(textRect.right());
} else {
emptyRect.moveRight(textRect.left());
}
if (emptyRect.width() < 0) {
emptyRect.setWidth(0);
}
return emptyRect;
}
QRect Delegate::emptyRect(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QRect afterTitleRect = rectAfterTitle(option, index);
QRect afterSubTitleRect = rectAfterSubTitle(option, index);
afterTitleRect.setHeight(afterTitleRect.height() * 2);
afterSubTitleRect.setTop(afterTitleRect.top());
return afterTitleRect.intersected(afterSubTitleRect);
}
void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
const bool hover = option.state & (QStyle::State_MouseOver | QStyle::State_Selected);
QRect contentRect = option.rect;
contentRect.setBottom(contentRect.bottom() - 1);
QRect decorationRect =
QStyle::alignedRect(option.direction,
option.decorationPosition == QStyleOptionViewItem::Left ?
Qt::AlignLeft : Qt::AlignRight,
option.decorationSize,
contentRect.adjusted(DelegatePrivate::ITEM_LEFT_MARGIN, DelegatePrivate::ITEM_TOP_MARGIN, -DelegatePrivate::ITEM_RIGHT_MARGIN, -DelegatePrivate::ITEM_BOTTOM_MARGIN));
decorationRect.moveTop(contentRect.top() + qMax(0, (contentRect.height() - decorationRect.height())) / 2);
QString titleText = index.data(Qt::DisplayRole).value<QString>();
QString subTitleText = index.data(d->roles[SubTitleRole]).value<QString>();
//kDebug() << subTitleText;
QRect titleRect = d->titleRect(option, index);
titleRect.moveTopLeft(titleRect.topLeft()-option.rect.topLeft());
QRect subTitleRect = d->subTitleRect(option, index);
subTitleRect.moveTopLeft(subTitleRect.topLeft()-option.rect.topLeft());
if (subTitleText == titleText) {
subTitleText.clear();
}
QFont titleFont(option.font);
// draw icon
QIcon decorationIcon = index.data(Qt::DecorationRole).value<QIcon>();
if (index.data(d->roles[ColumnTypeRole]).toInt() == SecondaryActionColumn) {
if (hover) {
// Only draw on hover
const int delta = floor((qreal)(option.decorationSize.width() - DelegatePrivate::ACTION_ICON_SIZE) / 2.0);
decorationRect.adjust(delta, delta-1, -delta-1, -delta);
decorationIcon.paint(painter, decorationRect, option.decorationAlignment);
}
} else {
// as default always draw as main column
decorationIcon.paint(painter, decorationRect, option.decorationAlignment);
}
QPixmap buffer(option.rect.size());
buffer.fill(Qt::transparent);
QPainter p(&buffer);
// draw title
p.setFont(titleFont);
if (option.palette.color(QPalette::Base).alpha() > 0) {
p.setPen(QPen(KColorScheme(QPalette::Active).foreground(KColorScheme::NormalText), 1));
} else {
p.setPen(Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor));
}
p.drawText(titleRect, Qt::AlignLeft|Qt::AlignVCenter, titleText);
// draw sub-title, BUT only if:
// * SubTitleMandatoryRole is defined and model returns 'true'
// * SubTitleMandatoryRole is not defined and the adjasent model indexes
// have the same contents of the Qt::DisplayRole
// * when model doesn't provide a valid data for SubTitleMandatory role
// we also show title on mouse hover
//
// the rationale for this is that subtitle text should in most cases not be
// required to understand the item itself and that showing all the subtexts in a
// listing makes the information density very high, impacting both the speed at
// which one can scan the list visually and the aesthetic qualities of the listing.
bool drawSubTitle = !subTitleText.isEmpty();
if (drawSubTitle && !hover) {
// If the model wants to have exact control for subtitles showing
// it is expected to return a valid data for SubTitleMandatoryRole.
// If it doesn't return a valid data for this role
// then by default we well be showing a subtitles for
// adjasent items with the same content (see comments below too)
QVariant mandatoryRoleData = index.data(d->roles[SubTitleMandatoryRole]);
if (mandatoryRoleData.isValid()) {
drawSubTitle = mandatoryRoleData.value<bool>();
} else {
bool uniqueTitle = true;
QModelIndex sib = index.sibling(index.row() + 1, index.column());
if (sib.isValid()) {
uniqueTitle = sib.data(Qt::DisplayRole).value<QString>() != titleText;
}
if (uniqueTitle) {
sib = index.sibling(index.row() + -1, index.column());
if (sib.isValid()) {
uniqueTitle = sib.data(Qt::DisplayRole).value<QString>() != titleText;
}
}
drawSubTitle = !uniqueTitle;
}
}
if (drawSubTitle) {
if (option.palette.color(QPalette::Base).alpha() > 0) {
p.setPen(QPen(KColorScheme(QPalette::Active).foreground(KColorScheme::InactiveText), 1));
} else {
QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor);
textColor.setAlphaF(0.6);
p.setPen(textColor);
}
const QFont subTitleFont = d->fontForSubTitle(option.font);
p.setFont(subTitleFont);
p.drawText(subTitleRect, Qt::AlignLeft|Qt::AlignVCenter, subTitleText);
}
p.end();
d->m_showToolTip = false;
const QColor gradientColor = KColorScheme(QPalette::Active).background(KColorScheme::NormalBackground).color();
if (option.direction == Qt::LeftToRight) {
if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
(subTitleRect.width() + decorationRect.width() + 15) > option.rect.width()) &&
(titleRect.width() > 120 || subTitleRect.width() > 120)) {
QPainter p(&buffer);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
p.setPen(Qt::NoPen);
QLinearGradient gr;
QRect gradientRect(option.rect.width() - 60, titleRect.y(),
80, titleRect.height() + subTitleRect.height());
// draw it on the right side
gr.setStart(gradientRect.topLeft());
gr.setFinalStop(gradientRect.topRight());
gr.setColorAt(0.0, Qt::transparent);
gr.setColorAt(0.7, gradientColor);
p.setBrush(QBrush(gr));
p.drawRect(gradientRect);
d->m_showToolTip = true;
p.end();
}
} else {
if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
(subTitleRect.width() + decorationRect.width() + 15 )> option.rect.width()) &&
(titleRect.width() > 120 || subTitleRect.width() > 120)) {
buffer.fill(Qt::transparent);
QPainter p(&buffer);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
p.setPen(Qt::NoPen);
QLinearGradient gr;
QRect gradientRect(option.rect.x() - 55, titleRect.y(),
60, titleRect.height() + subTitleRect.height());
gr.setStart(gradientRect.topRight());
gr.setFinalStop(gradientRect.topLeft());
gr.setColorAt(0.0, Qt::transparent);
gr.setColorAt(0.6, gradientColor);
p.setBrush(QBrush(gr));
p.drawRect(gradientRect);
d->m_showToolTip = true;
p.end();
}
}
painter->drawPixmap(option.rect, buffer, buffer.rect());
if (hover) {
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
const int column = index.column();
const int columns = index.model()->columnCount();
int roundedRadius = 5;
const bool useSvg = option.palette.color(QPalette::Base).alpha() == 0;
// use a slightly translucent version of the palette's highlight color
// for the background
QColor backgroundColor = option.palette.color(QPalette::Highlight);
backgroundColor.setAlphaF(0.2);
QColor backgroundColor2 = option.palette.color(QPalette::Highlight);
backgroundColor2.setAlphaF(0.5);
QRect highlightRect = option.rect;
if (!useSvg) {
highlightRect.adjust(2, 2, -2, -2);
}
QPen outlinePen(backgroundColor, 2);
if (column == 0) {
//clip right (or left for rtl languages) to make the connection with the next column
if (columns > 1) {
if (useSvg) {
roundedRadius = d->svg->marginSize(Plasma::RightMargin);
}
painter->setClipRect(option.rect);
highlightRect.adjust(0, 0, roundedRadius, 0);
}
QLinearGradient gradient(highlightRect.topLeft(), highlightRect.topRight());
//reverse the gradient
if (option.direction == Qt::RightToLeft) {
gradient.setStart(highlightRect.topRight());
gradient.setFinalStop(highlightRect.topLeft());
}
gradient.setColorAt(0, backgroundColor);
gradient.setColorAt(((qreal)titleRect.width()/3.0) / (qreal)highlightRect.width(), backgroundColor2);
gradient.setColorAt(0.7, backgroundColor);
outlinePen.setBrush(gradient);
//last column, clip left (right for rtl)
} else if (column == columns-1) {
if (useSvg) {
roundedRadius = d->svg->marginSize(Plasma::LeftMargin);
}
painter->setClipRect(option.rect);
highlightRect.adjust(-roundedRadius, 0, 0, 0);
//column < columns-1; clip both ways
} else {
if (useSvg) {
roundedRadius = d->svg->marginSize(Plasma::LeftMargin);
}
painter->setClipRect(option.rect);
highlightRect.adjust(-roundedRadius, 0, +roundedRadius, 0);
}
//if the view is transparent paint as plasma, otherwise paint with kde colors
if (useSvg) {
d->svg->resizeFrame(highlightRect.size());
d->svg->paintFrame(painter, highlightRect.topLeft());
} else {
painter->setPen(outlinePen);
painter->drawPath(PaintUtils::roundedRectangle(highlightRect, roundedRadius));
}
painter->restore();
}
}
QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(index)
QSize size = option.rect.size();
QFontMetrics metrics(option.font);
QFontMetrics subMetrics(d->fontForSubTitle(option.font));
size.setHeight(qMax(option.decorationSize.height(), qMax(size.height(), metrics.height() + subMetrics.ascent()) + 3) + 4);
// kDebug() << "size hint is" << size << (metrics.height() + subMetrics.ascent());
const bool useSvg = option.palette.color(QPalette::Base).alpha() == 0;
if (useSvg) {
qreal left, top, right, bottom;
d->svg->getMargins(left, top, right, bottom);
size += QSize(left+right, top+bottom);
} else {
size *= 1.1;
}
return size;
}
bool Delegate::showToolTip() const
{
return d->m_showToolTip;
}
}
#include "moc_delegate.cpp"

131
delegate.h
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@ -1,131 +0,0 @@
/*
Copyright 2007 Robert Knight <robertknight@gmail.com>
Copyright 2008 Marco Martin <notmart@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_DELEGATE_H
#define PLASMA_DELEGATE_H
// Qt
#include <QAbstractItemDelegate>
// Plasma
#include <plasma/plasma_export.h>
namespace Plasma
{
class DelegatePrivate;
/**
* @class Delegate plasma/delegate.h <Plasma/Delegate>
*
* Item delegate for rendering items in Plasma menus implemented with item views.
*
* The delegate makes use of its own data roles that are:
* SubTitleRole: the text of the subtitle
* SubTitleMandatoryRole: if the subtitle is to always be displayed
* (as default the subtitle is displayed only on mouse over)
* NOTE: if model doesn't return a valid data for SubTitleMandatoryRole (i.e. if it returns QVaraint())
* then subtitles will be shown for adjasent items with the same content and not shown
* otherwise.
*
* ColumnTypeRole: if the column is a main column (with title and subtitle)
* or a secondary action column (only a little icon that appears on mouse
* over is displayed)
*/
class PLASMA_EXPORT Delegate : public QAbstractItemDelegate
{
Q_OBJECT
public:
enum SpecificRoles {
SubTitleRole = Qt::UserRole + 1,
SubTitleMandatoryRole = Qt::UserRole + 2,
ColumnTypeRole = Qt::UserRole + 3
};
enum ColumnType {
MainColumn = 1,
SecondaryActionColumn = 2
};
Delegate(QObject *parent = 0);
~Delegate();
/**
* Maps an arbitrary role to a role belonging to SpecificRoles.
* Using this function you can use any model with this delegate.
*
* @param role a role belonging to SpecificRoles
* @param actual an arbitrary role of the model we are using
*/
void setRoleMapping(SpecificRoles role, int actual);
int roleMapping(SpecificRoles role) const;
//Reimplemented
virtual void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const;
/**
* @return true if a tooltip should be shown
*/
bool showToolTip() const;
protected:
/**
* Returns the empty area after the title.
* The height is the height of the subtitle.
* It can be used by subclasses that wants to paint additional data after
* calling the paint function of the superclass.
*
* @param option options for the title text
* @param index model index that we want to compute the free area
*/
QRect rectAfterTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const;
/**
* Returns the empty area after the subtitle.
* The height is the height of the subtitle.
* It can be used by subclasses, that wants to paint additional data.
*
* @param option options for the subtitle text
* @param index model index that we want to compute the free area
*/
QRect rectAfterSubTitle(const QStyleOptionViewItem &option, const QModelIndex &index) const;
/**
* Returns the empty area after both the title and the subtitle.
* The height is the height of the item.
* It can be used by subclasses that wants to paint additional data
*
* @param option options for the title and subtitle text
* @param index model index that we want to compute the free area
*/
QRect emptyRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
virtual QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
private:
DelegatePrivate *const d;
};
}
#endif // PLASMA_DELEGATE_H