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Separate declaration and definition of CalibreStyle

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Kovid Goyal 2021-12-06 05:53:02 +05:30
parent a5eedb9f22
commit aea448a5a4
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2 changed files with 264 additions and 257 deletions
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src/calibre/gui2/progress_indicator/QProgressIndicator.cpp
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@ -4,8 +4,6 @@
#include <QtWidgets/QStyle> #include <QtWidgets/QStyle>
#include <QtWidgets/QApplication> #include <QtWidgets/QApplication>
#include <QDebug> #include <QDebug>
#include <QStyleFactory>
#include <QtWidgets/QProxyStyle>
#include <QStyleOptionToolButton> #include <QStyleOptionToolButton>
#include <QFormLayout> #include <QFormLayout>
#include <QDialogButtonBox> #include <QDialogButtonBox>
@ -120,277 +118,267 @@ dpiScaled(qreal value) {
#endif #endif
} }
class CalibreStyle: public QProxyStyle { CalibreStyle::CalibreStyle(const QHash<unsigned long, QString> &icmap, int transient_scroller) : QProxyStyle(QString::fromUtf8("Fusion")), icon_map(icmap), transient_scroller(transient_scroller) {
private: setObjectName(QString("calibre"));
const QHash<unsigned long, QString> icon_map; desktop_environment = detectDesktopEnvironment();
QByteArray desktop_environment; button_layout = static_cast<QDialogButtonBox::ButtonLayout>(QProxyStyle::styleHint(SH_DialogButtonLayout));
QDialogButtonBox::ButtonLayout button_layout; if (QLatin1String("GNOME") == desktop_environment || QLatin1String("MATE") == desktop_environment || QLatin1String("UNITY") == desktop_environment || QLatin1String("CINNAMON") == desktop_environment || QLatin1String("X-CINNAMON") == desktop_environment)
int transient_scroller; button_layout = QDialogButtonBox::GnomeLayout;
}
public: int CalibreStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidget *widget, QStyleHintReturn *returnData) const {
CalibreStyle(QStyle *base, const QHash<unsigned long, QString> &icmap, int transient_scroller) : QProxyStyle(base), icon_map(icmap), transient_scroller(transient_scroller) { switch (hint) {
setObjectName(QString("calibre")); case SH_DialogButtonBox_ButtonsHaveIcons:
desktop_environment = detectDesktopEnvironment(); return 1; // We want icons on dialog button box buttons
button_layout = static_cast<QDialogButtonBox::ButtonLayout>(QProxyStyle::styleHint(SH_DialogButtonLayout)); case SH_DialogButtonLayout:
if (QLatin1String("GNOME") == desktop_environment || QLatin1String("MATE") == desktop_environment || QLatin1String("UNITY") == desktop_environment || QLatin1String("CINNAMON") == desktop_environment || QLatin1String("X-CINNAMON") == desktop_environment) // Use platform specific button orders always
button_layout = QDialogButtonBox::GnomeLayout;
}
int styleHint(StyleHint hint, const QStyleOption *option = 0,
const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const {
switch (hint) {
case SH_DialogButtonBox_ButtonsHaveIcons:
return 1; // We want icons on dialog button box buttons
case SH_DialogButtonLayout:
// Use platform specific button orders always
#ifdef Q_OS_WIN32 #ifdef Q_OS_WIN32
return QDialogButtonBox::WinLayout; return QDialogButtonBox::WinLayout;
#elif defined(Q_OS_MAC) #elif defined(Q_OS_MAC)
return QDialogButtonBox::MacLayout; return QDialogButtonBox::MacLayout;
#endif #endif
return button_layout; return button_layout;
case SH_FormLayoutFieldGrowthPolicy: case SH_FormLayoutFieldGrowthPolicy:
return QFormLayout::FieldsStayAtSizeHint; // Do not have fields expand to fill all available space in QFormLayout return QFormLayout::FieldsStayAtSizeHint; // Do not have fields expand to fill all available space in QFormLayout
case SH_ScrollBar_Transient: case SH_ScrollBar_Transient:
return transient_scroller; return transient_scroller;
#ifdef Q_OS_MAC #ifdef Q_OS_MAC
case SH_UnderlineShortcut: case SH_UnderlineShortcut:
return 0; return 0;
#endif #endif
default: default:
break;
}
return QProxyStyle::styleHint(hint, option, widget, returnData);
}
QIcon CalibreStyle::standardIcon(StandardPixmap standardIcon, const QStyleOption * option, const QWidget * widget) const {
if (standardIcon == QStyle::SP_DialogCloseButton) {
bool is_dark_theme = QApplication::instance()->property("is_dark_theme").toBool();
return QIcon(icon_map.value(QStyle::SP_CustomBase + (is_dark_theme ? 2 : 1)));
}
if (icon_map.contains(standardIcon)) return QIcon(icon_map.value(standardIcon));
return QProxyStyle::standardIcon(standardIcon, option, widget);
}
int CalibreStyle::pixelMetric(PixelMetric metric, const QStyleOption * option, const QWidget * widget) const {
switch (metric) {
case PM_TabBarTabVSpace:
return 8; // Make tab bars a little narrower, the value for the Fusion style is 12
case PM_TreeViewIndentation:
return int(dpiScaled(12)); // Reduce indentation in tree views
default:
break;
}
return QProxyStyle::pixelMetric(metric, option, widget);
}
void CalibreStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex * option, QPainter * painter, const QWidget * widget) const {
const QStyleOptionToolButton *toolbutton = NULL;
switch (control) {
case CC_ToolButton: // {{{
// We do not want an arrow if the toolbutton has an instant popup
toolbutton = qstyleoption_cast<const QStyleOptionToolButton *>(option);
if (toolbutton && (toolbutton->features & QStyleOptionToolButton::HasMenu) && !(toolbutton->features & QStyleOptionToolButton::PopupDelay)) {
QStyleOptionToolButton opt = QStyleOptionToolButton(*toolbutton);
opt.features = toolbutton->features & ~QStyleOptionToolButton::HasMenu;
return QProxyStyle::drawComplexControl(control, &opt, painter, widget);
}
break; /// }}}
default:
break;
}
return QProxyStyle::drawComplexControl(control, option, painter, widget);
}
void CalibreStyle::drawPrimitive(PrimitiveElement element, const QStyleOption * option, QPainter * painter, const QWidget * widget) const {
const QStyleOptionViewItem *vopt = NULL;
switch (element) {
case PE_FrameTabBarBase: // {{{
// dont draw line below tabs in dark mode as it looks bad
if (const QStyleOptionTabBarBase *tbb = qstyleoption_cast<const QStyleOptionTabBarBase *>(option)) {
if (tbb->shape == QTabBar::RoundedNorth) {
QColor bg = option->palette.color(QPalette::Window);
if (is_color_dark(bg)) return;
}
}
break; // }}}
case PE_IndicatorCheckBox: // {{{
// Fix color used to draw checkbox outline in dark mode
if (is_color_dark(option->palette.color(QPalette::Window))) {
baseStyle()->drawPrimitive(element, option, painter, widget);
painter->save();
painter->translate(0.5, 0.5);
QRect rect = option->rect;
rect = rect.adjusted(0, 0, -1, -1);
painter->setPen(QPen(option->palette.color(QPalette::WindowText)));
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange)
painter->setPen(QPen(Qt::white));
painter->drawRect(rect);
painter->restore();
return;
}
break; // }}}
case PE_IndicatorRadioButton: // {{{
// Fix color used to draw radiobutton outline in dark mode
if (is_color_dark(option->palette.color(QPalette::Window))) {
painter->save();
painter->setBrush((option->state & State_Sunken) ? option->palette.base().color().lighter(320) : option->palette.base().color());
painter->setRenderHint(QPainter::Antialiasing, true);
QPainterPath circle;
const QPointF circleCenter = option->rect.center() + QPoint(1, 1);
const qreal outlineRadius = (option->rect.width() + (option->rect.width() + 1) % 2) / 2.0 - 1;
circle.addEllipse(circleCenter, outlineRadius, outlineRadius);
painter->setPen(QPen(option->palette.window().color().lighter(320)));
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange) {
QColor highlightedOutline = option->palette.color(QPalette::Highlight).lighter(125);
painter->setPen(QPen(highlightedOutline));
}
painter->drawPath(circle);
if (option->state & (State_On )) {
circle = QPainterPath();
const qreal checkmarkRadius = outlineRadius / 2.32;
circle.addEllipse(circleCenter, checkmarkRadius, checkmarkRadius);
QColor checkMarkColor = option->palette.text().color().lighter(120);
checkMarkColor.setAlpha(200);
painter->setPen(checkMarkColor);
checkMarkColor.setAlpha(180);
painter->setBrush(checkMarkColor);
painter->drawPath(circle);
}
painter->restore();
return;
} else { baseStyle()->drawPrimitive(element, option, painter, widget); }
break; // }}}
case PE_PanelItemViewItem: // {{{
// Highlight the current, selected item with a different background in an item view if the highlight current item property is set
if (option->state & QStyle::State_HasFocus && (vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) && widget && widget->property("highlight_current_item").toBool()) {
QColor color = vopt->palette.color(QPalette::Normal, QPalette::Highlight);
QStyleOptionViewItem opt = QStyleOptionViewItem(*vopt);
if (is_color_dark(option->palette.color(QPalette::Window))) {
color = color.lighter(190);
} else {
color = color.lighter(125);
}
opt.palette.setColor(QPalette::Highlight, color);
return QProxyStyle::drawPrimitive(element, &opt, painter, widget);
}
break; // }}}
case PE_IndicatorToolBarSeparator: // {{{
// Make toolbar separators stand out a bit more in dark themes
{
QRect rect = option->rect;
const int margin = 6;
QColor bg = option->palette.color(QPalette::Window);
QColor first, second;
if (is_color_dark(bg)) {
first = bg.darker(115);
second = bg.lighter(115);
} else {
first = bg.darker(110);
second = bg.lighter(110);
}
if (option->state & State_Horizontal) {
const int offset = rect.width()/2;
painter->setPen(QPen(first));
painter->drawLine(rect.bottomLeft().x() + offset,
rect.bottomLeft().y() - margin,
rect.topLeft().x() + offset,
rect.topLeft().y() + margin);
painter->setPen(QPen(second));
painter->drawLine(rect.bottomLeft().x() + offset + 1,
rect.bottomLeft().y() - margin,
rect.topLeft().x() + offset + 1,
rect.topLeft().y() + margin);
} else { //Draw vertical separator
const int offset = rect.height()/2;
painter->setPen(QPen(first));
painter->drawLine(rect.topLeft().x() + margin ,
rect.topLeft().y() + offset,
rect.topRight().x() - margin,
rect.topRight().y() + offset);
painter->setPen(QPen(second));
painter->drawLine(rect.topLeft().x() + margin ,
rect.topLeft().y() + offset + 1,
rect.topRight().x() - margin,
rect.topRight().y() + offset + 1);
}
}
return; // }}}
case PE_FrameFocusRect: // {{{
if (!widget || !widget->property("frame_for_focus").toBool())
break;
if (const QStyleOptionFocusRect *fropt = qstyleoption_cast<const QStyleOptionFocusRect *>(option)) {
if (!(fropt->state & State_KeyboardFocusChange))
break; break;
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 0.5);
painter->setPen(option->palette.color(QPalette::Text));
painter->setBrush(Qt::transparent);
painter->drawRoundedRect(option->rect.adjusted(0, 0, -1, -1), 4, 4);
painter->restore();
return;
} }
return QProxyStyle::styleHint(hint, option, widget, returnData); break; // }}}
} default:
break;
}
return QProxyStyle::drawPrimitive(element, option, painter, widget);
}
QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption * option = 0, const QWidget * widget = 0) const { void CalibreStyle::drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const {
if (standardIcon == QStyle::SP_DialogCloseButton) { switch(element) {
bool is_dark_theme = QApplication::instance()->property("is_dark_theme").toBool(); case CE_ItemViewItem: {
return QIcon(icon_map.value(QStyle::SP_CustomBase + (is_dark_theme ? 2 : 1))); if (option->state & QStyle::State_HasFocus && (vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) && widget && widget->property("highlight_current_item").toBool()) {
if (is_color_dark(option->palette.color(QPalette::Window))) {
QStyleOptionViewItem opt = QStyleOptionViewItem(*vopt);
opt.palette.setColor(QPalette::HighlightedText, Qt::black);
QProxyStyle::drawControl(element, &opt, painter, widget);
return;
}
} }
if (icon_map.contains(standardIcon)) return QIcon(icon_map.value(standardIcon)); } break;
return QProxyStyle::standardIcon(standardIcon, option, widget);
}
int pixelMetric(PixelMetric metric, const QStyleOption * option = 0, const QWidget * widget = 0) const { case CE_MenuItem: // {{{
switch (metric) { // Draw menu separators that work in both light and dark modes
case PM_TabBarTabVSpace: if (const QStyleOptionMenuItem *menuItem = qstyleoption_cast<const QStyleOptionMenuItem *>(option)) {
return 8; // Make tab bars a little narrower, the value for the Fusion style is 12 if (menuItem->menuItemType == QStyleOptionMenuItem::Separator) {
case PM_TreeViewIndentation: int w = 0;
return int(dpiScaled(12)); // Reduce indentation in tree views const int margin = 5;
default: painter->save();
break; if (!menuItem->text.isEmpty()) {
} painter->setFont(menuItem->font);
return QProxyStyle::pixelMetric(metric, option, widget); proxy()->drawItemText(painter, menuItem->rect.adjusted(margin, 0, -margin, 0), Qt::AlignLeft | Qt::AlignVCenter,
} menuItem->palette, menuItem->state & State_Enabled, menuItem->text,
QPalette::Text);
void drawComplexControl(ComplexControl control, const QStyleOptionComplex * option, QPainter * painter, const QWidget * widget = 0) const { w = menuItem->fontMetrics.horizontalAdvance(menuItem->text) + margin;
const QStyleOptionToolButton *toolbutton = NULL;
switch (control) {
case CC_ToolButton: // {{{
// We do not want an arrow if the toolbutton has an instant popup
toolbutton = qstyleoption_cast<const QStyleOptionToolButton *>(option);
if (toolbutton && (toolbutton->features & QStyleOptionToolButton::HasMenu) && !(toolbutton->features & QStyleOptionToolButton::PopupDelay)) {
QStyleOptionToolButton opt = QStyleOptionToolButton(*toolbutton);
opt.features = toolbutton->features & ~QStyleOptionToolButton::HasMenu;
return QProxyStyle::drawComplexControl(control, &opt, painter, widget);
} }
break; /// }}} if (is_color_dark(menuItem->palette.color(QPalette::Window))) painter->setPen(Qt::gray);
default: else painter->setPen(QColor(0, 0, 0, 60).lighter(106));
break; bool reverse = menuItem->direction == Qt::RightToLeft;
painter->drawLine(menuItem->rect.left() + margin + (reverse ? 0 : w), menuItem->rect.center().y(),
menuItem->rect.right() - margin - (reverse ? w : 0), menuItem->rect.center().y());
painter->restore();
return;
}
} }
return QProxyStyle::drawComplexControl(control, option, painter, widget); break; // }}}
}
void drawPrimitive(PrimitiveElement element, const QStyleOption * option, QPainter * painter, const QWidget * widget = 0) const { default: break;
const QStyleOptionViewItem *vopt = NULL; }
switch (element) { QProxyStyle::drawControl(element, option, painter, widget);
case PE_FrameTabBarBase: // {{{ }
// dont draw line below tabs in dark mode as it looks bad
if (const QStyleOptionTabBarBase *tbb = qstyleoption_cast<const QStyleOptionTabBarBase *>(option)) {
if (tbb->shape == QTabBar::RoundedNorth) {
QColor bg = option->palette.color(QPalette::Window);
if (is_color_dark(bg)) return;
}
}
break; // }}}
case PE_IndicatorCheckBox: // {{{
// Fix color used to draw checkbox outline in dark mode
if (is_color_dark(option->palette.color(QPalette::Window))) {
baseStyle()->drawPrimitive(element, option, painter, widget);
painter->save();
painter->translate(0.5, 0.5);
QRect rect = option->rect;
rect = rect.adjusted(0, 0, -1, -1);
painter->setPen(QPen(option->palette.color(QPalette::WindowText)));
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange)
painter->setPen(QPen(Qt::white));
painter->drawRect(rect);
painter->restore();
return;
}
break; // }}}
case PE_IndicatorRadioButton: // {{{
// Fix color used to draw radiobutton outline in dark mode
if (is_color_dark(option->palette.color(QPalette::Window))) {
painter->save();
painter->setBrush((option->state & State_Sunken) ? option->palette.base().color().lighter(320) : option->palette.base().color());
painter->setRenderHint(QPainter::Antialiasing, true);
QPainterPath circle;
const QPointF circleCenter = option->rect.center() + QPoint(1, 1);
const qreal outlineRadius = (option->rect.width() + (option->rect.width() + 1) % 2) / 2.0 - 1;
circle.addEllipse(circleCenter, outlineRadius, outlineRadius);
painter->setPen(QPen(option->palette.window().color().lighter(320)));
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange) {
QColor highlightedOutline = option->palette.color(QPalette::Highlight).lighter(125);
painter->setPen(QPen(highlightedOutline));
}
painter->drawPath(circle);
if (option->state & (State_On )) {
circle = QPainterPath();
const qreal checkmarkRadius = outlineRadius / 2.32;
circle.addEllipse(circleCenter, checkmarkRadius, checkmarkRadius);
QColor checkMarkColor = option->palette.text().color().lighter(120);
checkMarkColor.setAlpha(200);
painter->setPen(checkMarkColor);
checkMarkColor.setAlpha(180);
painter->setBrush(checkMarkColor);
painter->drawPath(circle);
}
painter->restore();
return;
} else { baseStyle()->drawPrimitive(element, option, painter, widget); }
break; // }}}
case PE_PanelItemViewItem: // {{{
// Highlight the current, selected item with a different background in an item view if the highlight current item property is set
if (option->state & QStyle::State_HasFocus && (vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) && widget && widget->property("highlight_current_item").toBool()) {
QColor color = vopt->palette.color(QPalette::Normal, QPalette::Highlight);
QStyleOptionViewItem opt = QStyleOptionViewItem(*vopt);
if (is_color_dark(option->palette.color(QPalette::Window))) {
color = color.lighter(190);
} else {
color = color.lighter(125);
}
opt.palette.setColor(QPalette::Highlight, color);
return QProxyStyle::drawPrimitive(element, &opt, painter, widget);
}
break; // }}}
case PE_IndicatorToolBarSeparator: // {{{
// Make toolbar separators stand out a bit more in dark themes
{
QRect rect = option->rect;
const int margin = 6;
QColor bg = option->palette.color(QPalette::Window);
QColor first, second;
if (is_color_dark(bg)) {
first = bg.darker(115);
second = bg.lighter(115);
} else {
first = bg.darker(110);
second = bg.lighter(110);
}
if (option->state & State_Horizontal) {
const int offset = rect.width()/2;
painter->setPen(QPen(first));
painter->drawLine(rect.bottomLeft().x() + offset,
rect.bottomLeft().y() - margin,
rect.topLeft().x() + offset,
rect.topLeft().y() + margin);
painter->setPen(QPen(second));
painter->drawLine(rect.bottomLeft().x() + offset + 1,
rect.bottomLeft().y() - margin,
rect.topLeft().x() + offset + 1,
rect.topLeft().y() + margin);
} else { //Draw vertical separator
const int offset = rect.height()/2;
painter->setPen(QPen(first));
painter->drawLine(rect.topLeft().x() + margin ,
rect.topLeft().y() + offset,
rect.topRight().x() - margin,
rect.topRight().y() + offset);
painter->setPen(QPen(second));
painter->drawLine(rect.topLeft().x() + margin ,
rect.topLeft().y() + offset + 1,
rect.topRight().x() - margin,
rect.topRight().y() + offset + 1);
}
}
return; // }}}
case PE_FrameFocusRect: // }}}
if (!widget || !widget->property("frame_for_focus").toBool())
break;
if (const QStyleOptionFocusRect *fropt = qstyleoption_cast<const QStyleOptionFocusRect *>(option)) {
if (!(fropt->state & State_KeyboardFocusChange))
break;
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 0.5);
painter->setPen(option->palette.color(QPalette::Text));
painter->setBrush(Qt::transparent);
painter->drawRoundedRect(option->rect.adjusted(0, 0, -1, -1), 4, 4);
painter->restore();
return;
}
break; // }}}
default:
break;
}
return QProxyStyle::drawPrimitive(element, option, painter, widget);
}
void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const {
const QStyleOptionViewItem *vopt = NULL;
switch(element) {
case CE_ItemViewItem: {
if (option->state & QStyle::State_HasFocus && (vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) && widget && widget->property("highlight_current_item").toBool()) {
if (is_color_dark(option->palette.color(QPalette::Window))) {
QStyleOptionViewItem opt = QStyleOptionViewItem(*vopt);
opt.palette.setColor(QPalette::HighlightedText, Qt::black);
QProxyStyle::drawControl(element, &opt, painter, widget);
return;
}
}
} break;
case CE_MenuItem: // {{{
// Draw menu separators that work in both light and dark modes
if (const QStyleOptionMenuItem *menuItem = qstyleoption_cast<const QStyleOptionMenuItem *>(option)) {
if (menuItem->menuItemType == QStyleOptionMenuItem::Separator) {
int w = 0;
const int margin = 5;
painter->save();
if (!menuItem->text.isEmpty()) {
painter->setFont(menuItem->font);
proxy()->drawItemText(painter, menuItem->rect.adjusted(margin, 0, -margin, 0), Qt::AlignLeft | Qt::AlignVCenter,
menuItem->palette, menuItem->state & State_Enabled, menuItem->text,
QPalette::Text);
w = menuItem->fontMetrics.horizontalAdvance(menuItem->text) + margin;
}
if (is_color_dark(menuItem->palette.color(QPalette::Window))) painter->setPen(Qt::gray);
else painter->setPen(QColor(0, 0, 0, 60).lighter(106));
bool reverse = menuItem->direction == Qt::RightToLeft;
painter->drawLine(menuItem->rect.left() + margin + (reverse ? 0 : w), menuItem->rect.center().y(),
menuItem->rect.right() - margin - (reverse ? w : 0), menuItem->rect.center().y());
painter->restore();
return;
}
}
break; // }}}
default: break;
}
QProxyStyle::drawControl(element, option, painter, widget);
}
};
int load_style(const QHash<unsigned long,QString> &icon_map, int transient_scroller) { int load_style(const QHash<unsigned long,QString> &icon_map, int transient_scroller) {
QStyle *base_style = QStyleFactory::create(QString("Fusion")); QApplication::setStyle(new CalibreStyle(icon_map, transient_scroller));
QApplication::setStyle(new CalibreStyle(base_style, icon_map, transient_scroller));
return 0; return 0;
} }

19
src/calibre/gui2/progress_indicator/QProgressIndicator.h
View File

@ -8,6 +8,8 @@
#include <QMenu> #include <QMenu>
#include <QPropertyAnimation> #include <QPropertyAnimation>
#include <QParallelAnimationGroup> #include <QParallelAnimationGroup>
#include <QProxyStyle>
#include <QDialogButtonBox>
#define arc_length_max 0.734f #define arc_length_max 0.734f
#define arc_length_min 0.02f #define arc_length_min 0.02f
@ -87,6 +89,23 @@ private:
QParallelAnimationGroup m_animation; QParallelAnimationGroup m_animation;
}; };
class CalibreStyle : public QProxyStyle {
private:
const QHash<unsigned long, QString> icon_map;
QByteArray desktop_environment;
QDialogButtonBox::ButtonLayout button_layout;
int transient_scroller;
public:
CalibreStyle(const QHash<unsigned long, QString> &icmap, int transient_scroller);
virtual int styleHint(StyleHint hint, const QStyleOption *option = 0, const QWidget *widget = 0, QStyleHintReturn *returnData = 0) const;
virtual QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption * option = 0, const QWidget * widget = 0) const;
virtual int pixelMetric(PixelMetric metric, const QStyleOption * option = 0, const QWidget * widget = 0) const;
virtual void drawComplexControl(ComplexControl control, const QStyleOptionComplex * option, QPainter * painter, const QWidget * widget = 0) const;
virtual void drawPrimitive(PrimitiveElement element, const QStyleOption * option, QPainter * painter, const QWidget * widget = 0) const;
virtual void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const;
};
/*! /*!
\class QProgressIndicator \class QProgressIndicator
\brief The QProgressIndicator class lets an application display a progress indicator to show that a lengthy task is under way. \brief The QProgressIndicator class lets an application display a progress indicator to show that a lengthy task is under way.