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fake the fancy tab bar. This makes it possible to have a smaller minimum size.

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This commit is contained in:
mae
2009-07-13 16:58:13 +02:00
parent 991e014b83
commit d3df29e26b
2 changed files with 126 additions and 37 deletions
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114
src/plugins/coreplugin/fancytabwidget.cpp
View File

@@ -43,6 +43,7 @@
#include <QtGui/QStatusBar>
#include <QtGui/QToolBar>
#include <QtGui/QToolButton>
#include <QtGui/QToolTip>
using namespace Core;
using namespace Internal;
@@ -51,11 +52,12 @@ const int FancyTabBar::m_rounding = 22;
const int FancyTabBar::m_textPadding = 4;
FancyTabBar::FancyTabBar(QWidget *parent)
: QTabBar(parent)
: QWidget(parent)
{
m_hoverIndex = -1;
m_currentIndex = 0;
setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
setStyle(new QWindowsStyle);
setDrawBase(false);
setElideMode(Qt::ElideNone);
setMinimumWidth(qMax(2 * m_rounding, 40));
setAttribute(Qt::WA_Hover, true);
setFocusPolicy(Qt::NoFocus);
@@ -64,7 +66,6 @@ FancyTabBar::FancyTabBar(QWidget *parent)
m_hoverControl.setCurveShape(QTimeLine::EaseInCurve);
connect(&m_hoverControl, SIGNAL(frameChanged(int)), this, SLOT(updateHover()));
setMouseTracking(true); // Needed for hover events
setExpanding(false);
}
FancyTabBar::~FancyTabBar()
@@ -72,7 +73,7 @@ FancyTabBar::~FancyTabBar()
delete style();
}
QSize FancyTabBar::tabSizeHint(int index) const
QSize FancyTabBar::tabSizeHint(bool minimum) const
{
QFont boldFont(font());
boldFont.setPointSizeF(StyleHelper::sidebarFontSize());
@@ -80,7 +81,11 @@ QSize FancyTabBar::tabSizeHint(int index) const
QFontMetrics fm(boldFont);
int spacing = 6;
int width = 60 + spacing + 2;
return QSize(width, tabIcon(index).actualSize(QSize(64, 64)).height() + spacing + fm.height());
int iconHeight = 48;
if (minimum)
iconHeight = 0; // hide icons
return QSize(width, iconHeight + spacing + fm.height());
}
void FancyTabBar::paintEvent(QPaintEvent *event)
@@ -103,6 +108,7 @@ void FancyTabBar::mouseMoveEvent(QMouseEvent *e)
for (int i = 0; i < count(); ++i) {
QRect area = tabRect(i);
if (area.contains(e->pos())) {
m_hoverIndex = i;
QRect oldHoverRect = m_hoverRect;
m_hoverRect = area;
update(oldHoverRect);
@@ -114,6 +120,20 @@ void FancyTabBar::mouseMoveEvent(QMouseEvent *e)
}
}
bool FancyTabBar::event(QEvent *event)
{
if (event->type() == QEvent::ToolTip) {
if (m_hoverIndex >= 0 && m_hoverIndex < m_tabs.count()) {
QString tt = tabToolTip(m_hoverIndex);
if (!tt.isEmpty()) {
QToolTip::showText(static_cast<QHelpEvent*>(event)->globalPos(), tt, this);
return true;
}
}
}
return QWidget::event(event);
}
void FancyTabBar::updateHover()
{
update(m_hoverRect);
@@ -124,27 +144,62 @@ void FancyTabBar::enterEvent(QEvent *e)
{
Q_UNUSED(e);
m_hoverRect = QRect();
m_hoverIndex = -1;
}
// Resets hover animation on mouse enter
void FancyTabBar::leaveEvent(QEvent *e)
{
Q_UNUSED(e);
if (m_hoverIndex >= 0) {
m_hoverIndex = -1;
update(m_hoverRect);
m_hoverRect = QRect();
}
}
m_hoverControl.stop();
m_hoverControl.start();
QSize FancyTabBar::sizeHint() const
{
QSize sh = tabSizeHint();
return QSize(sh.width(), sh.height() * m_tabs.count());
}
QSize FancyTabBar::minimumSizeHint() const
{
QSize sh = tabSizeHint(true);
return QSize(sh.width(), sh.height() * m_tabs.count());
}
QRect FancyTabBar::tabRect(int index) const
{
QSize sh = tabSizeHint();
if (sh.height() * m_tabs.count() > height())
sh.setHeight(height() / m_tabs.count());
return QRect(0, index * sh.height(), sh.width(), sh.height());
}
void FancyTabBar::mousePressEvent(QMouseEvent *e)
{
e->accept();
for (int i = 0; i < m_tabs.count(); ++i) {
if (tabRect(i).contains(e->pos())) {
setCurrentIndex(i);
break;
}
}
}
void FancyTabBar::paintTab(QPainter *painter, int tabIndex) const
{
QStyleOptionTabV2 tab;
initStyleOption(&tab, tabIndex);
QRect rect = tab.rect;
painter->save();
QRect rect = tabRect(tabIndex);
bool selected = tab.state & QStyle::State_Selected;
bool hover = tab.state & QStyle::State_MouseOver;
bool selected = (tabIndex == m_currentIndex);
bool hover = (tabIndex == m_hoverIndex);
#ifdef Q_WS_MAC
hover = false; // Dont hover on Mac
@@ -172,18 +227,18 @@ void FancyTabBar::paintTab(QPainter *painter, int tabIndex) const
painter->setPen(QColor(150, 160, 200));
painter->drawLine(rect.bottomLeft(), rect.bottomRight());
} else {
painter->fillRect(tab.rect, background);
painter->fillRect(rect, background);
if (hover)
painter->fillRect(tab.rect, hoverColor);
painter->fillRect(rect, hoverColor);
painter->setPen(QPen(light, 0));
painter->drawLine(rect.topLeft(), rect.topRight());
painter->setPen(QPen(dark, 0));
painter->drawLine(rect.bottomLeft(), rect.bottomRight());
}
QString tabText(tab.text);
QRect tabTextRect(tab.rect);
QRect tabIconRect(tab.rect);
QString tabText(this->tabText(tabIndex));
QRect tabTextRect(tabRect(tabIndex));
QRect tabIconRect(tabTextRect);
QFont boldFont(painter->font());
boldFont.setPointSizeF(StyleHelper::sidebarFontSize());
boldFont.setBold(true);
@@ -194,21 +249,19 @@ void FancyTabBar::paintTab(QPainter *painter, int tabIndex) const
painter->setPen(selected ? QColor(60, 60, 60) : StyleHelper::panelTextColor());
int textHeight = painter->fontMetrics().boundingRect(QRect(0, 0, width(), height()), Qt::TextWordWrap, tabText).height();
tabIconRect.adjust(0, 4, 0, -textHeight);
int iconSize = qMin(tabIconRect.width(), tabIconRect.height());
if (iconSize > 4)
style()->drawItemPixmap(painter, tabIconRect, Qt::AlignCenter | Qt::AlignVCenter,
tab.icon.pixmap(QSize(64, 64)));
tabIcon(tabIndex).pixmap(QSize(iconSize, iconSize)));
painter->translate(0, -1);
painter->drawText(tabTextRect, textFlags, tabText);
painter->restore();
}
void FancyTabBar::tabInserted(int index)
{
Q_UNUSED(index)
}
void FancyTabBar::tabRemoved(int index)
{
Q_UNUSED(index)
void FancyTabBar::setCurrentIndex(int index) {
m_currentIndex = index;
update();
emit currentChanged(index);
}
//////
@@ -241,9 +294,6 @@ FancyTabWidget::FancyTabWidget(QWidget *parent)
: QWidget(parent)
{
m_tabBar = new FancyTabBar(this);
m_tabBar->setShape(QTabBar::RoundedEast);
m_tabBar->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
m_tabBar->setUsesScrollButtons(false);
m_selectionWidget = new QWidget(this);
QVBoxLayout *selectionLayout = new QVBoxLayout;
@@ -255,9 +305,9 @@ FancyTabWidget::FancyTabWidget(QWidget *parent)
bar->setFixedHeight(StyleHelper::navigationWidgetHeight());
selectionLayout->addWidget(bar);
selectionLayout->addWidget(m_tabBar, 1);
selectionLayout->addWidget(m_tabBar);
m_selectionWidget->setLayout(selectionLayout);
m_selectionWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::MinimumExpanding);
m_selectionWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
m_cornerWidgetContainer = new QWidget(this);
m_cornerWidgetContainer->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);

47
src/plugins/coreplugin/fancytabwidget.h
View File

@@ -44,7 +44,13 @@ QT_END_NAMESPACE
namespace Core {
namespace Internal {
class FancyTabBar : public QTabBar
struct FancyTab {
QIcon icon;
QString text;
QString toolTip;
};
class FancyTabBar : public QWidget
{
Q_OBJECT
@@ -52,14 +58,41 @@ public:
FancyTabBar(QWidget *parent = 0);
~FancyTabBar();
QSize tabSizeHint(int index) const;
bool event(QEvent *event);
void paintEvent(QPaintEvent *event);
void paintTab(QPainter *painter, int tabIndex) const;
void mousePressEvent(QMouseEvent *);
void mouseMoveEvent(QMouseEvent *);
void enterEvent(QEvent *);
void leaveEvent(QEvent *);
void tabInserted(int index);
void tabRemoved(int index);
QSize sizeHint() const;
QSize minimumSizeHint() const;
void insertTab(int index, const QIcon &icon, const QString &label) {
FancyTab tab;
tab.icon = icon;
tab.text = label;
m_tabs.insert(index, tab);
}
void removeTab(int index) {
m_tabs.removeAt(index);
}
void setCurrentIndex(int index);
int currentIndex() const { return m_currentIndex; }
void setTabToolTip(int index, QString toolTip) { m_tabs[index].toolTip = toolTip; }
QString tabToolTip(int index) const { return m_tabs.at(index).toolTip; }
QIcon tabIcon(int index) const {return m_tabs.at(index).icon; }
QString tabText(int index) const { return m_tabs.at(index).text; }
int count() const {return m_tabs.count(); }
QRect tabRect(int index) const;
signals:
void currentChanged(int);
public slots:
void updateHover();
@@ -69,6 +102,12 @@ private:
static const int m_textPadding;
QTimeLine m_hoverControl;
QRect m_hoverRect;
int m_hoverIndex;
int m_currentIndex;
QList<FancyTab> m_tabs;
QSize tabSizeHint(bool minimum = false) const;
};
class FancyTabWidget : public QWidget