mirror of
https://bitbucket.org/smil3y/kdelibs.git
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kdeui: rework KMessageWidget
using the selection color for information messages when the text is selectable was questionable atleast, overriding QFrame action setters, using QFrame as base class when none of its features were used.. Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev
parent
4857f6cd17
commit
1c84eaf43b
3 changed files with 172 additions and 271 deletions
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@ -102,10 +102,9 @@ class KTEXTEDITOR_EXPORT Message : public QObject
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* For simple notifications either use Positive or Information.
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*/
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enum MessageType {
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Positive = 0, ///< positive information message
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Information, ///< information message type
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Warning, ///< warning message type
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Error ///< error message type
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Information = 0, ///< information message type
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Warning, ///< warning message type
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Error ///< error message type
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};
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/**
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@ -19,19 +19,53 @@
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*/
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#include "kmessagewidget.h"
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#include "kaction.h"
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#include "kcolorscheme.h"
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#include "kicon.h"
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#include "kiconloader.h"
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#include "kcolorscheme.h"
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#include "kstandardaction.h"
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#include "kpixmapwidget.h"
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#include "kdebug.h"
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#include <QEvent>
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#include <QGridLayout>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QToolButton>
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#include <QStyle>
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#include <QPainter>
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static const qreal s_roundness = 4.0;
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static const qreal s_bordersize = 0.5;
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static const qreal s_margin = 5;
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class KMessageLabel : public QLabel
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{
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Q_OBJECT
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public:
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KMessageLabel(QWidget *parent);
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QColor bg;
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QColor border;
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protected:
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void paintEvent(QPaintEvent *event) final;
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};
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KMessageLabel::KMessageLabel(QWidget *parent)
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: QLabel(parent)
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{
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setContentsMargins(s_margin, s_margin, s_margin, s_margin);
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}
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void KMessageLabel::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setBrush(border);
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QRectF widgetrect = rect();
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painter.drawRoundedRect(widgetrect, s_roundness, s_roundness);
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painter.setBrush(bg);
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widgetrect = widgetrect.adjusted(s_bordersize, s_bordersize, -s_bordersize, -s_bordersize);
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painter.drawRoundedRect(widgetrect, s_roundness, s_roundness);
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QLabel::paintEvent(event);
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}
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//---------------------------------------------------------------------
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// KMessageWidgetPrivate
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@ -39,118 +73,106 @@
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class KMessageWidgetPrivate
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{
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public:
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void init(KMessageWidget *q_ptr);
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KMessageWidgetPrivate();
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~KMessageWidgetPrivate();
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KMessageWidget* q;
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KPixmapWidget* iconWidget;
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QLabel* textLabel;
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QToolButton* closeButton;
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void updateColors();
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QVBoxLayout* mainlayout;
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QHBoxLayout* messagelayout;
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KPixmapWidget* iconwidget;
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KMessageLabel* textlabel;
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QToolButton* closebutton;
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QIcon icon;
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KMessageWidget::MessageType messageType;
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KMessageWidget::MessageType messagetype;
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QHBoxLayout* buttonslayout;
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QList<QToolButton*> buttons;
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void updateLayout();
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};
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void KMessageWidgetPrivate::init(KMessageWidget *q_ptr)
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KMessageWidgetPrivate::KMessageWidgetPrivate()
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: mainlayout(nullptr),
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messagelayout(nullptr),
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iconwidget(nullptr),
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textlabel(nullptr),
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closebutton(nullptr),
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buttonslayout(nullptr),
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messagetype(KMessageWidget::Information)
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{
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q = q_ptr;
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q->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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iconWidget = new KPixmapWidget(q);
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iconWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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iconWidget->hide();
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textLabel = new QLabel(q);
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textLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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textLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
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QObject::connect(textLabel, SIGNAL(linkActivated(QString)), q, SIGNAL(linkActivated(QString)));
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QObject::connect(textLabel, SIGNAL(linkHovered(QString)), q, SIGNAL(linkHovered(QString)));
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KAction* closeAction = KStandardAction::close(q, SLOT(animatedHide()), q);
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// The default shortcut assigned by KStandardAction is Ctrl+W,
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// which might conflict with application-specific shortcuts.
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closeAction->setShortcut(QKeySequence());
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closeButton = new QToolButton(q);
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closeButton->setAutoRaise(true);
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closeButton->setDefaultAction(closeAction);
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q->setMessageType(KMessageWidget::Information);
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}
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void KMessageWidgetPrivate::updateLayout()
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KMessageWidgetPrivate::~KMessageWidgetPrivate()
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{
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if (q->layout()) {
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delete q->layout();
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}
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qDeleteAll(buttons);
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buttons.clear();
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Q_FOREACH(QAction* action, q->actions()) {
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QToolButton* button = new QToolButton(q);
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button->setDefaultAction(action);
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button->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
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buttons.append(button);
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}
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// AutoRaise reduces visual clutter, but we don't want to turn it on if
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// there are other buttons, otherwise the close button will look different
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// from the others.
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closeButton->setAutoRaise(buttons.isEmpty());
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if (textLabel->wordWrap()) {
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QGridLayout* layout = new QGridLayout(q);
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// Set alignment to make sure icon does not move down if text wraps
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layout->addWidget(iconWidget, 0, 0, 1, 1, Qt::AlignHCenter | Qt::AlignTop);
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layout->addWidget(textLabel, 0, 1);
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QHBoxLayout* buttonLayout = new QHBoxLayout();
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buttonLayout->addStretch();
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Q_FOREACH(QToolButton* button, buttons) {
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// For some reason, calling show() is necessary if wordwrap is true,
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// otherwise the buttons do not show up. It is not needed if
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// wordwrap is false.
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button->show();
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buttonLayout->addWidget(button);
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}
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buttonLayout->addWidget(closeButton);
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buttonLayout->addStretch();
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layout->addItem(buttonLayout, 1, 0, 1, 2);
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} else {
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QHBoxLayout* layout = new QHBoxLayout(q);
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layout->addWidget(iconWidget);
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layout->addWidget(textLabel);
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Q_FOREACH(QToolButton* button, buttons) {
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layout->addWidget(button);
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}
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layout->addWidget(closeButton);
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};
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q->updateGeometry();
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delete buttonslayout;
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delete messagelayout;
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}
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void KMessageWidgetPrivate::updateColors()
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{
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const KColorScheme scheme(QPalette::Active, KColorScheme::Window);
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switch (messagetype) {
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case KMessageWidget::Information: {
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// even tho the selection color may be more suitable for that it cannot be used because
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// the text is selectable
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textlabel->bg = scheme.background(KColorScheme::PositiveBackground).color();
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break;
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}
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case KMessageWidget::Warning: {
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textlabel->bg = scheme.background(KColorScheme::NeutralBackground).color();
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break;
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}
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case KMessageWidget::Error: {
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textlabel->bg = scheme.background(KColorScheme::NegativeBackground).color();
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break;
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}
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}
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// textlabel->bg = textlabel->bg.darker(60);
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textlabel->border = KColorScheme::shade(textlabel->bg, KColorScheme::DarkShade);
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}
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//---------------------------------------------------------------------
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// KMessageWidget
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//---------------------------------------------------------------------
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KMessageWidget::KMessageWidget(QWidget *parent)
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: QFrame(parent),
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: QWidget(parent),
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d(new KMessageWidgetPrivate())
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{
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d->init(this);
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}
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setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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KMessageWidget::KMessageWidget(const QString &text, QWidget *parent)
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: QFrame(parent),
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d(new KMessageWidgetPrivate())
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{
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d->init(this);
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setText(text);
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d->mainlayout = new QVBoxLayout(this);
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setLayout(d->mainlayout);
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d->messagelayout = new QHBoxLayout();
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d->iconwidget = new KPixmapWidget(this);
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d->iconwidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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d->iconwidget->hide();
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d->messagelayout->addWidget(d->iconwidget);
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d->textlabel = new KMessageLabel(this);
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d->textlabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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d->textlabel->setTextInteractionFlags(Qt::TextBrowserInteraction | Qt::LinksAccessibleByMouse);
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d->textlabel->setAlignment(Qt::AlignCenter);
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connect(d->textlabel, SIGNAL(linkActivated(QString)), this, SIGNAL(linkActivated(QString)));
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connect(d->textlabel, SIGNAL(linkHovered(QString)), this, SIGNAL(linkHovered(QString)));
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d->messagelayout->addWidget(d->textlabel);
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KAction* closeAction = KStandardAction::close(this, SLOT(animatedHide()), this);
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// The default shortcut assigned by KStandardAction is Ctrl+W,
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// which might conflict with application-specific shortcuts.
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closeAction->setShortcut(QKeySequence());
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d->closebutton = new QToolButton(this);
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d->closebutton->setAutoRaise(true);
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d->closebutton->setDefaultAction(closeAction);
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d->messagelayout->addWidget(d->closebutton);
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d->mainlayout->addLayout(d->messagelayout);
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d->buttonslayout = new QHBoxLayout();
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d->mainlayout->addLayout(d->buttonslayout);
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d->updateColors();
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}
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KMessageWidget::~KMessageWidget()
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@ -160,133 +182,49 @@ KMessageWidget::~KMessageWidget()
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QString KMessageWidget::text() const
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{
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return d->textLabel->text();
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return d->textlabel->text();
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}
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void KMessageWidget::setText(const QString& text)
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{
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d->textLabel->setText(text);
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d->textlabel->setText(text);
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updateGeometry();
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}
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KMessageWidget::MessageType KMessageWidget::messageType() const
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{
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return d->messageType;
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}
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static void getColorsFromColorScheme(KColorScheme::BackgroundRole bgRole, QColor* bg, QColor* fg)
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{
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KColorScheme scheme(QPalette::Active, KColorScheme::Window);
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*bg = scheme.background(bgRole).color();
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*fg = scheme.foreground().color();
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return d->messagetype;
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}
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void KMessageWidget::setMessageType(KMessageWidget::MessageType type)
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{
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d->messageType = type;
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QColor bg0, bg1, bg2, border, fg;
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switch (type) {
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case Positive:
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getColorsFromColorScheme(KColorScheme::PositiveBackground, &bg1, &fg);
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break;
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case Information:
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// There is no "information" background role in KColorScheme, use the
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// colors of highlighted items instead
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bg1 = palette().highlight().color();
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fg = palette().highlightedText().color();
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break;
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case Warning:
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getColorsFromColorScheme(KColorScheme::NeutralBackground, &bg1, &fg);
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break;
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case Error:
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getColorsFromColorScheme(KColorScheme::NegativeBackground, &bg1, &fg);
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break;
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}
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// Colors
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bg0 = bg1.lighter(110);
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bg2 = bg1.darker(110);
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border = KColorScheme::shade(bg1, KColorScheme::DarkShade);
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setStyleSheet(
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QString("QLabel {"
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"background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,"
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" stop: 0 %1,"
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" stop: 0.1 %2,"
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" stop: 1.0 %3);"
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"border-radius: 5px;"
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"border: 1px solid %4;"
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"color: %5;"
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"}"
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)
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.arg(bg0.name())
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.arg(bg1.name())
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.arg(bg2.name())
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.arg(border.name())
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.arg(fg.name())
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);
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}
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QSize KMessageWidget::sizeHint() const
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{
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ensurePolished();
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return QFrame::sizeHint();
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}
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QSize KMessageWidget::minimumSizeHint() const
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{
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ensurePolished();
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return QFrame::minimumSizeHint();
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}
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bool KMessageWidget::event(QEvent* event)
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{
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if (event->type() == QEvent::Polish && !layout()) {
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d->updateLayout();
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}
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return QFrame::event(event);
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}
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int KMessageWidget::heightForWidth(int width) const
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{
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ensurePolished();
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return QFrame::heightForWidth(width);
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d->messagetype = type;
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d->updateColors();
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update();
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}
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bool KMessageWidget::wordWrap() const
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{
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return d->textLabel->wordWrap();
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return d->textlabel->wordWrap();
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}
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void KMessageWidget::setWordWrap(bool wordWrap)
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{
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d->textLabel->setWordWrap(wordWrap);
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d->updateLayout();
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d->textlabel->setWordWrap(wordWrap);
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adjustSize();
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}
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bool KMessageWidget::isCloseButtonVisible() const
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{
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return d->closeButton->isVisible();
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return d->closebutton->isVisible();
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}
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void KMessageWidget::setCloseButtonVisible(bool show)
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{
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d->closeButton->setVisible(show);
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d->closebutton->setVisible(show);
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updateGeometry();
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}
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void KMessageWidget::addAction(QAction* action)
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{
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QFrame::addAction(action);
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d->updateLayout();
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}
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void KMessageWidget::removeAction(QAction* action)
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{
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QFrame::removeAction(action);
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d->updateLayout();
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}
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void KMessageWidget::animatedShow()
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{
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if (isVisible()) {
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@ -295,7 +233,7 @@ void KMessageWidget::animatedShow()
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// yep, no animation. changing the geometry for 500ms looks exactly the same as showing the
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// widget without doing so
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QFrame::show();
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QWidget::show();
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}
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void KMessageWidget::animatedHide()
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@ -304,7 +242,7 @@ void KMessageWidget::animatedHide()
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return;
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}
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QFrame::hide();
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QWidget::hide();
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}
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QIcon KMessageWidget::icon() const
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@ -316,12 +254,45 @@ void KMessageWidget::setIcon(const QIcon& icon)
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{
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d->icon = icon;
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if (d->icon.isNull()) {
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d->iconWidget->hide();
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d->iconwidget->hide();
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} else {
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const int size = KIconLoader::global()->currentSize(KIconLoader::MainToolbar);
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d->iconWidget->setPixmap(d->icon.pixmap(size));
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d->iconWidget->show();
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d->iconwidget->setPixmap(d->icon.pixmap(size));
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d->iconwidget->show();
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}
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}
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bool KMessageWidget::event(QEvent *event)
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{
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const bool result = QWidget::event(event);
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switch (event->type()) {
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case QEvent::PaletteChange: {
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d->updateColors();
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update();
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break;
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}
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case QEvent::ActionChanged:
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case QEvent::ActionAdded:
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case QEvent::ActionRemoved: {
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qDeleteAll(d->buttons);
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d->buttons.clear();
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delete d->buttonslayout;
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d->buttonslayout = new QHBoxLayout();
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d->mainlayout->addLayout(d->buttonslayout);
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d->buttonslayout->addStretch();
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foreach (QAction* action, actions()) {
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QToolButton* button = new QToolButton(this);
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button->setDefaultAction(action);
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button->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
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d->buttons.append(button);
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d->buttonslayout->addWidget(button, 1, Qt::AlignCenter);
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}
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d->buttonslayout->addStretch();
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break;
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}
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}
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return result;
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}
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#include "moc_kmessagewidget.cpp"
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#include "kmessagewidget.moc"
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@ -22,7 +22,8 @@
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#include <kdeui_export.h>
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#include <QFrame>
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#include <QEvent>
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#include <QWidget>
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class KMessageWidgetPrivate;
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@ -36,60 +37,10 @@ class KMessageWidgetPrivate;
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* to "OK Only" message boxes. If you do not need the modalness of KMessageBox,
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* consider using KMessageWidget instead.
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*
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* <b>Negative feedback</b>
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*
|
||||
* The KMessageWidget can be used as a secondary indicator of failure: the
|
||||
* first indicator is usually the fact the action the user expected to happen
|
||||
* did not happen.
|
||||
*
|
||||
* Example: User fills a form, clicks "Submit".
|
||||
*
|
||||
* @li Expected feedback: form closes
|
||||
* @li First indicator of failure: form stays there
|
||||
* @li Second indicator of failure: a KMessageWidget appears on top of the
|
||||
* form, explaining the error condition
|
||||
*
|
||||
* When used to provide negative feedback, KMessageWidget should be placed
|
||||
* close to its context. In the case of a form, it should appear on top of the
|
||||
* form entries.
|
||||
*
|
||||
* KMessageWidget should get inserted in the existing layout. Space should not
|
||||
* be reserved for it, otherwise it becomes "dead space", ignored by the user.
|
||||
* KMessageWidget should also not appear as an overlay to prevent blocking
|
||||
* access to elements the user needs to interact with to fix the failure.
|
||||
*
|
||||
* <b>Positive feedback</b>
|
||||
*
|
||||
* KMessageWidget can be used for positive feedback but it shouldn't be
|
||||
* overused. It is often enough to provide feedback by simply showing the
|
||||
* results of an action.
|
||||
*
|
||||
* Examples of acceptable uses:
|
||||
*
|
||||
* @li Confirm success of "critical" transactions
|
||||
* @li Indicate completion of background tasks
|
||||
*
|
||||
* Example of inadapted uses:
|
||||
*
|
||||
* @li Indicate successful saving of a file
|
||||
* @li Indicate a file has been successfully removed
|
||||
*
|
||||
* <b>Opportunistic interaction</b>
|
||||
*
|
||||
* Opportunistic interaction is the situation where the application suggests to
|
||||
* the user an action he could be interested in perform, either based on an
|
||||
* action the user just triggered or an event which the application noticed.
|
||||
*
|
||||
* Example of acceptable uses:
|
||||
*
|
||||
* @li A browser can propose remembering a recently entered password
|
||||
* @li A music collection can propose ripping a CD which just got inserted
|
||||
* @li A chat application may notify the user a "special friend" just connected
|
||||
*
|
||||
* @author Aurélien Gâteau <agateau@kde.org>
|
||||
* @since 4.7
|
||||
*/
|
||||
class KDEUI_EXPORT KMessageWidget : public QFrame
|
||||
class KDEUI_EXPORT KMessageWidget : public QWidget
|
||||
{
|
||||
Q_OBJECT
|
||||
Q_ENUMS(MessageType)
|
||||
|
|
@ -101,7 +52,6 @@ class KDEUI_EXPORT KMessageWidget : public QFrame
|
|||
Q_PROPERTY(QIcon icon READ icon WRITE setIcon)
|
||||
public:
|
||||
enum MessageType {
|
||||
Positive,
|
||||
Information,
|
||||
Warning,
|
||||
Error
|
||||
|
|
@ -111,29 +61,13 @@ public:
|
|||
* Constructs a KMessageWidget with the specified parent.
|
||||
*/
|
||||
explicit KMessageWidget(QWidget *parent = nullptr);
|
||||
|
||||
explicit KMessageWidget(const QString &text, QWidget *parent = nullptr);
|
||||
|
||||
~KMessageWidget();
|
||||
|
||||
QString text() const;
|
||||
|
||||
bool wordWrap() const;
|
||||
|
||||
bool isCloseButtonVisible() const;
|
||||
|
||||
MessageType messageType() const;
|
||||
|
||||
void addAction(QAction *action);
|
||||
|
||||
void removeAction(QAction *action);
|
||||
|
||||
QSize sizeHint() const;
|
||||
|
||||
QSize minimumSizeHint() const;
|
||||
|
||||
int heightForWidth(int width) const;
|
||||
|
||||
/**
|
||||
* The icon shown on the left of the text. By default, no icon is shown.
|
||||
* @since 4.11
|
||||
|
|
@ -142,11 +76,8 @@ public:
|
|||
|
||||
public Q_SLOTS:
|
||||
void setText(const QString &text);
|
||||
|
||||
void setWordWrap(bool wordWrap);
|
||||
|
||||
void setCloseButtonVisible(bool visible);
|
||||
|
||||
void setMessageType(KMessageWidget::MessageType type);
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue