KFile
kurlbutton.cpp
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00020 #include "kurlbutton_p.h"
00021
00022 #include "kurlnavigator.h"
00023
00024 #include <kcolorscheme.h>
00025 #include <kicon.h>
00026 #include <klocale.h>
00027 #include <kmenu.h>
00028
00029 #include <QApplication>
00030 #include <QClipboard>
00031 #include <QMimeData>
00032 #include <QStyle>
00033 #include <QStyleOptionFocusRect>
00034
00035 KUrlButton::KUrlButton(KUrlNavigator* parent) :
00036 QPushButton(parent),
00037 m_displayHint(0),
00038 m_urlNavigator(parent)
00039 {
00040 setFocusPolicy(Qt::NoFocus);
00041 setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
00042 setMinimumHeight(parent->minimumHeight());
00043
00044 connect(this, SIGNAL(pressed()), parent, SLOT(requestActivation()));
00045 }
00046
00047 KUrlButton::~KUrlButton()
00048 {
00049 }
00050
00051 void KUrlButton::setDisplayHintEnabled(DisplayHint hint,
00052 bool enable)
00053 {
00054 if (enable) {
00055 m_displayHint = m_displayHint | hint;
00056 } else {
00057 m_displayHint = m_displayHint & ~hint;
00058 }
00059 update();
00060 }
00061
00062 bool KUrlButton::isDisplayHintEnabled(DisplayHint hint) const
00063 {
00064 return (m_displayHint & hint) > 0;
00065 }
00066
00067 void KUrlButton::enterEvent(QEvent* event)
00068 {
00069 QPushButton::enterEvent(event);
00070 setDisplayHintEnabled(EnteredHint, true);
00071 update();
00072 }
00073
00074 void KUrlButton::leaveEvent(QEvent* event)
00075 {
00076 QPushButton::leaveEvent(event);
00077 setDisplayHintEnabled(EnteredHint, false);
00078 update();
00079 }
00080
00081 void KUrlButton::contextMenuEvent(QContextMenuEvent* event)
00082 {
00083 Q_UNUSED(event);
00084 m_urlNavigator->requestActivation();
00085
00086 KMenu popup(this);
00087
00088
00089
00090 QAction* copyAction = popup.addAction(KIcon("edit-copy"), i18n("Copy"));
00091
00092
00093
00094 QAction* pasteAction = popup.addAction(KIcon("edit-paste"), i18n("Paste"));
00095 QClipboard* clipboard = QApplication::clipboard();
00096 pasteAction->setEnabled(!clipboard->text().isEmpty());
00097
00098 popup.addSeparator();
00099
00100
00101 QAction* editAction = popup.addAction(i18n("Edit"));
00102 editAction->setCheckable(true);
00103
00104 QAction* navigateAction = popup.addAction(i18n("Navigate"));
00105 navigateAction->setCheckable(true);
00106
00107 QActionGroup* modeGroup = new QActionGroup(&popup);
00108 modeGroup->addAction(editAction);
00109 modeGroup->addAction(navigateAction);
00110 if (m_urlNavigator->isUrlEditable()) {
00111 editAction->setChecked(true);
00112 } else {
00113 navigateAction->setChecked(true);
00114 }
00115
00116 QAction* activatedAction = popup.exec(QCursor::pos());
00117 if (activatedAction == copyAction) {
00118 QMimeData* mimeData = new QMimeData();
00119 mimeData->setText(m_urlNavigator->url().prettyUrl());
00120 clipboard->setMimeData(mimeData);
00121 } else if (activatedAction == pasteAction) {
00122 m_urlNavigator->setUrl(KUrl(clipboard->text()));
00123 } else if (activatedAction == editAction) {
00124 m_urlNavigator->setUrlEditable(true);
00125 } else if (activatedAction == navigateAction) {
00126 m_urlNavigator->setUrlEditable(false);
00127 }
00128 }
00129
00130 void KUrlButton::drawHoverBackground(QPainter* painter)
00131 {
00132 const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
00133 isDisplayHintEnabled(DraggedHint) ||
00134 isDisplayHintEnabled(PopupActiveHint);
00135
00136 QColor backgroundColor = isHighlighted ? palette().color(QPalette::Highlight) : Qt::transparent;
00137 if (!urlNavigator()->isActive() && isHighlighted) {
00138 backgroundColor.setAlpha(128);
00139 }
00140
00141 if (backgroundColor != Qt::transparent) {
00142
00143 QStyleOptionViewItemV4 option;
00144 option.initFrom(this);
00145 option.state = QStyle::State_Enabled | QStyle::State_MouseOver;
00146 option.viewItemPosition = QStyleOptionViewItemV4::OnlyOne;
00147 style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, this);
00148 }
00149 }
00150
00151 QColor KUrlButton::foregroundColor() const
00152 {
00153 const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
00154 isDisplayHintEnabled(DraggedHint) ||
00155 isDisplayHintEnabled(PopupActiveHint);
00156
00157 QColor foregroundColor = palette().color(foregroundRole());
00158 const bool isActive = m_urlNavigator->isActive();
00159
00160 int alpha = isActive ? 255 : 128;
00161 if ((!isDisplayHintEnabled(ActivatedHint) || !isActive) && !isHighlighted) {
00162 alpha -= alpha / 4;
00163 }
00164 foregroundColor.setAlpha(alpha);
00165
00166 return foregroundColor;
00167 }
00168
00169 #include "kurlbutton_p.moc"