From d3df29e26b326f1084cc83bb5a8f5dc14731e960 Mon Sep 17 00:00:00 2001
From: mae <qt-info@nokia.com>
Date: Mon, 13 Jul 2009 16:58:13 +0200
Subject: [PATCH] fake the fancy tab bar. This makes it possible to have a
smaller minimum size.
---
src/plugins/coreplugin/fancytabwidget.cpp | 116 ++++++++++++++++------
src/plugins/coreplugin/fancytabwidget.h | 47 ++++++++-
2 files changed, 126 insertions(+), 37 deletions(-)
diff --git a/src/plugins/coreplugin/fancytabwidget.cpp b/src/plugins/coreplugin/fancytabwidget.cpp
index dab0f0ecf44..fd67445070f 100644
--- a/src/plugins/coreplugin/fancytabwidget.cpp
+++ b/src/plugins/coreplugin/fancytabwidget.cpp
@@ -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();
+ }
+}
+
+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());
- m_hoverControl.stop();
- m_hoverControl.start();
+}
+
+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);
- style()->drawItemPixmap(painter, tabIconRect, Qt::AlignCenter | Qt::AlignVCenter,
- tab.icon.pixmap(QSize(64, 64)));
+ int iconSize = qMin(tabIconRect.width(), tabIconRect.height());
+ if (iconSize > 4)
+ style()->drawItemPixmap(painter, tabIconRect, Qt::AlignCenter | Qt::AlignVCenter,
+ 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);
diff --git a/src/plugins/coreplugin/fancytabwidget.h b/src/plugins/coreplugin/fancytabwidget.h
index 8915d98f841..82a02e2fa84 100644
--- a/src/plugins/coreplugin/fancytabwidget.h
+++ b/src/plugins/coreplugin/fancytabwidget.h
@@ -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
--
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