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|
/****************************************************************************
**
** Implementation of QStyle class
**
** Created : 981231
**
** Copyright (C) 1998-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "qstyle.h"
#ifndef QT_NO_STYLE
#include "qapplication.h"
#include "qpainter.h"
#include "qbitmap.h"
#include "qpixmapcache.h"
#include <limits.h>
class QStylePrivate
{
public:
QStylePrivate()
{
}
};
/*!
\class QStyleOption qstyle.h
\brief The QStyleOption class specifies optional parameters for QStyle functions.
\ingroup appearance
Some QStyle functions take an optional argument specifying extra
information that is required for a paritical primitive or control.
So that the QStyle class can be extended, QStyleOption is used to
provide a variable-argument for these options.
The QStyleOption class has constructors for each type of optional
argument, and this set of constructors may be extended in future
Qt releases. There are also corresponding access functions that
return the optional arguments: these too may be extended.
For each constructor, you should refer to the documentation of the
QStyle functions to see the meaning of the arguments.
When calling QStyle functions from your own widgets, you must only
pass the default QStyleOption or the argument that QStyle is
documented to accept. For example, if the function expects
QStyleOption(QMenuItem *, int), passing QStyleOption(QMenuItem *)
leaves the optional integer argument uninitialized.
When subclassing QStyle, you must similarly only expect the
default or documented arguments. The other arguments will have
uninitialized values.
If you make your own QStyle subclasses and your own widgets, you
can make a subclass of QStyleOption to pass additional arguments
to your QStyle subclass. You will need to cast the "const
QStyleOption&" argument to your subclass, so be sure your style
has been called from your widget.
*/
/*!
\enum QStyleOption::StyleOptionDefault
This enum value can be passed as the optional argument to any
QStyle function.
\value Default
*/
/*!
\fn QStyleOption::QStyleOption(StyleOptionDefault)
The default option. This can always be passed as the optional
argument to QStyle functions.
*/
/*!
\fn QStyleOption::QStyleOption(int)
Pass one integer, \a in1. For example, headerSection.
*/
/*!
\fn QStyleOption::QStyleOption(int, int)
Pass two integers, \a in1 and \a in2. For example, linewidth and
midlinewidth.
*/
/*!
\fn QStyleOption::QStyleOption(int, int, int, int)
Pass four integers, \a in1, \a in2, \a in3 and \a in4.
*/
/*!
\fn QStyleOption::QStyleOption(QMenuItem*)
Pass a menu item, \a m.
*/
/*!
\fn QStyleOption::QStyleOption(QMenuItem*, int)
Pass a menu item and an integer, \a m and \a in1.
*/
/*!
\fn QStyleOption::QStyleOption(QMenuItem*, int, int)
Pass a menu item and two integers, \a m, \a in1 and \a in2.
*/
/*!
\fn QStyleOption::QStyleOption(const QColor&)
Pass a color, \a c.
*/
/*!
\fn QStyleOption::QStyleOption(QTab*)
Pass a QTab, \a t.
*/
/*!
\fn QStyleOption::QStyleOption(QListViewItem*)
Pass a QListViewItem, \a i.
*/
/*!
\fn QStyleOption::QStyleOption(Qt::ArrowType)
Pass an Qt::ArrowType, \a a.
*/
/*!
\fn QStyleOption::QStyleOption(QCheckListItem* i)
Pass a QCheckListItem, \a i.
*/
/*!
\fn QStyleOption::QStyleOption( const QRect &r )
Pass a QRect, \a r.
*/
/*!
\fn QStyleOption::QStyleOption( QWidget *w )
Pass a QWidget, \a w.
*/
/*!
\fn bool QStyleOption::isDefault() const
Returns TRUE if the option was constructed with the default
constructor; otherwise returns FALSE.
*/
/*!
\fn int QStyleOption::day() const
Returns the index of the day in the month if the appropriate
constructor was called; otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::lineWidth() const
Returns the line width if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::midLineWidth() const
Returns the mid-line width if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::frameShape() const
Returns a QFrame::Shape value if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::frameShadow() const
Returns a QFrame::Shadow value if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn QMenuItem* QStyleOption::menuItem() const
Returns a menu item if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::maxIconWidth() const
Returns the maximum width of the menu item check area if the
appropriate constructor was called; otherwise the return value is
undefined.
*/
/*!
\fn int QStyleOption::tabWidth() const
Returns the tab indent width if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn int QStyleOption::headerSection() const
Returns the header section if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn const QColor& QStyleOption::color() const
Returns a color if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn QTab* QStyleOption::tab() const
Returns a QTabBar tab if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn QListViewItem* QStyleOption::listViewItem() const
Returns a QListView item if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn Qt::ArrowType QStyleOption::arrowType() const
Returns an arrow type if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn QCheckListItem* QStyleOption::checkListItem() const
Returns a check list item if the appropriate constructor was
called; otherwise the return value is undefined.
*/
/*!
\fn QRect QStyleOption::rect() const
Returns a rectangle if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\fn QWidget* QStyleOption::widget() const
Returns a pointer to a widget if the appropriate constructor was called;
otherwise the return value is undefined.
*/
/*!
\class QStyle qstyle.h
\brief The QStyle class specifies the look and feel of a GUI.
\ingroup appearance
A large number of GUI elements are common to many widgets. The
QStyle class allows the look of these elements to be modified
across all widgets that use the QStyle functions. It also
provides two feel options: Motif and Windows.
Although it is not possible to fully enumerate the look of
graphical elements and the feel of widgets in a GUI, QStyle
provides a considerable amount of control and customisability.
In Qt 1.x the look and feel option for widgets was specified by a
single value: the GUIStyle. Starting with Qt 2.0, this notion was
expanded to allow the look to be specified by virtual drawing
functions.
Derived classes may reimplement some or all of the drawing
functions to modify the look of all widgets that use those
functions.
Languages written from right to left (such as Arabic and Hebrew)
usually also mirror the whole layout of widgets. If you design a
style, you should take special care when drawing asymmetric
elements to make sure that they also look correct in a mirrored
layout. You can start your application with \c -reverse to check
the mirrored layout. Also notice, that for a reversed layout, the
light usually comes from top right instead of top left.
The actual reverse layout is performed automatically when
possible. However, for the sake of flexibility, the translation
cannot be performed everywhere. The documentation for each
function in the QStyle API states whether the function
expects/returns logical or screen coordinates. Using logical
coordinates (in ComplexControls, for example) provides great
flexibility in controlling the look of a widget. Use visualRect()
when necessary to translate logical coordinates into screen
coordinates for drawing.
In Qt versions prior to 3.0, if you wanted a low level route into
changing the appearance of a widget, you would reimplement
polish(). With the new 3.0 style engine the recommended approach
is to reimplement the draw functions, for example drawItem(),
drawPrimitive(), drawControl(), drawControlMask(),
drawComplexControl() and drawComplexControlMask(). Each of these
functions is called with a range of parameters that provide
information that you can use to determine how to draw them, e.g.
style flags, rectangle, color group, etc.
For information on changing elements of an existing style or
creating your own style see the \link customstyles.html Style
overview\endlink.
Styles can also be created as \link plugins-howto.html
plugins\endlink.
*/
/*!
\enum Qt::GUIStyle
\obsolete
\value WindowsStyle
\value MotifStyle
\value MacStyle
\value Win3Style
\value PMStyle
*/
/*!
\enum Qt::UIEffect
\value UI_General
\value UI_AnimateMenu
\value UI_FadeMenu
\value UI_AnimateCombo
\value UI_AnimateTooltip
\value UI_FadeTooltip
\value UI_AnimateToolBox Reserved
*/
/*!
Constructs a QStyle.
*/
QStyle::QStyle()
{
d = new QStylePrivate;
}
/*!
Destroys the style and frees all allocated resources.
*/
QStyle::~QStyle()
{
delete d;
d = 0;
}
/*
\fn GUIStyle QStyle::guiStyle() const
\obsolete
Returns an indicator to the additional "feel" component of a
style. Current supported values are Qt::WindowsStyle and Qt::MotifStyle.
*/
/*!
Initializes the appearance of a widget.
This function is called for every widget at some point after it
has been fully created but just \e before it is shown the very
first time.
Reasonable actions in this function might be to call
QWidget::setBackgroundMode() for the widget. An example of highly
unreasonable use would be setting the geometry! Reimplementing
this function gives you a back-door through which you can change
the appearance of a widget. With Qt 3.0's style engine you will
rarely need to write your own polish(); instead reimplement
drawItem(), drawPrimitive(), etc.
The QWidget::inherits() function may provide enough information to
allow class-specific customizations. But be careful not to
hard-code things too much because new QStyle subclasses are
expected to work reasonably with all current and \e future
widgets.
\sa unPolish()
*/
void QStyle::polish( QWidget*)
{
}
/*!
Undoes the initialization of a widget's appearance.
This function is the counterpart to polish. It is called for every
polished widget when the style is dynamically changed. The former
style has to unpolish its settings before the new style can polish
them again.
\sa polish()
*/
void QStyle::unPolish( QWidget*)
{
}
/*!
\overload
Late initialization of the QApplication object.
\sa unPolish()
*/
void QStyle::polish( QApplication*)
{
}
/*!
\overload
Undoes the application polish.
\sa polish()
*/
void QStyle::unPolish( QApplication*)
{
}
/*!
\overload
The style may have certain requirements for color palettes. In
this function it has the chance to change the palette according to
these requirements.
\sa QPalette, QApplication::setPalette()
*/
void QStyle::polish( QPalette&)
{
}
/*!
Polishes the popup menu according to the GUI style. This usually
means setting the mouse tracking
(\l{QPopupMenu::setMouseTracking()}) and whether the menu is
checkable by default (\l{QPopupMenu::setCheckable()}).
*/
void QStyle::polishPopupMenu( QPopupMenu *)
{
}
/*!
Returns the appropriate area (see below) within rectangle \a r in
which to draw the \a text or \a pixmap using painter \a p. If \a
len is -1 (the default) all the \a text is drawn; otherwise only
the first \a len characters of \a text are drawn. The text is
aligned in accordance with the alignment \a flags (see
\l{Qt::AlignmentFlags}). The \a enabled bool indicates whether or
not the item is enabled.
If \a r is larger than the area needed to render the \a text the
rectangle that is returned will be offset within \a r in
accordance with the alignment \a flags. For example if \a flags is
\c AlignCenter the returned rectangle will be centered within \a
r. If \a r is smaller than the area needed the rectangle that is
returned will be \e larger than \a r (the smallest rectangle large
enough to render the \a text or \a pixmap).
By default, if both the text and the pixmap are not null, the
pixmap is drawn and the text is ignored.
*/
QRect QStyle::itemRect( QPainter *p, const QRect &r,
int flags, bool enabled, const QPixmap *pixmap,
const QString& text, int len ) const
{
QRect result;
int x = r.x();
int y = r.y();
int w = r.width();
int h = r.height();
GUIStyle gs = (GUIStyle)styleHint( SH_GUIStyle );
if ( pixmap ) {
if ( (flags & Qt::AlignVCenter) == Qt::AlignVCenter )
y += h/2 - pixmap->height()/2;
else if ( (flags & Qt::AlignBottom) == Qt::AlignBottom)
y += h - pixmap->height();
if ( (flags & Qt::AlignRight) == Qt::AlignRight )
x += w - pixmap->width();
else if ( (flags & Qt::AlignHCenter) == Qt::AlignHCenter )
x += w/2 - pixmap->width()/2;
else if ( (flags & Qt::AlignLeft) != Qt::AlignLeft && QApplication::reverseLayout() )
x += w - pixmap->width();
result = QRect(x, y, pixmap->width(), pixmap->height());
} else if ( !text.isNull() && p ) {
result = p->boundingRect( x, y, w, h, flags, text, len );
if ( gs == Qt::WindowsStyle && !enabled ) {
result.setWidth(result.width()+1);
result.setHeight(result.height()+1);
}
} else {
result = QRect(x, y, w, h);
}
return result;
}
/*!
Draws the \a text or \a pixmap in rectangle \a r using painter \a
p and color group \a g. The pen color is specified with \a
penColor. The \a enabled bool indicates whether or not the item is
enabled; when reimplementing this bool should influence how the
item is drawn. If \a len is -1 (the default) all the \a text is
drawn; otherwise only the first \a len characters of \a text are
drawn. The text is aligned and wrapped according to the alignment
\a flags (see \l{Qt::AlignmentFlags}).
By default, if both the text and the pixmap are not null, the
pixmap is drawn and the text is ignored.
*/
void QStyle::drawItem( QPainter *p, const QRect &r,
int flags, const QColorGroup &g, bool enabled,
const QPixmap *pixmap, const QString& text, int len,
const QColor* penColor ) const
{
int x = r.x();
int y = r.y();
int w = r.width();
int h = r.height();
GUIStyle gs = (GUIStyle)styleHint( SH_GUIStyle );
p->setPen( penColor?*penColor:g.foreground() );
if ( pixmap ) {
QPixmap pm( *pixmap );
bool clip = (flags & Qt::DontClip) == 0;
if ( clip ) {
if ( pm.width() < w && pm.height() < h ) {
clip = FALSE;
} else {
p->save();
QRegion cr = QRect(x, y, w, h);
if (p->hasClipping())
cr &= p->clipRegion(QPainter::CoordPainter);
p->setClipRegion(cr);
}
}
if ( (flags & Qt::AlignVCenter) == Qt::AlignVCenter )
y += h/2 - pm.height()/2;
else if ( (flags & Qt::AlignBottom) == Qt::AlignBottom)
y += h - pm.height();
if ( (flags & Qt::AlignRight) == Qt::AlignRight )
x += w - pm.width();
else if ( (flags & Qt::AlignHCenter) == Qt::AlignHCenter )
x += w/2 - pm.width()/2;
else if ( ((flags & Qt::AlignLeft) != Qt::AlignLeft) && QApplication::reverseLayout() ) // AlignAuto && rightToLeft
x += w - pm.width();
if ( !enabled ) {
if ( pm.mask() ) { // pixmap with a mask
if ( !pm.selfMask() ) { // mask is not pixmap itself
QPixmap pmm( *pm.mask() );
pmm.setMask( *((QBitmap *)&pmm) );
pm = pmm;
}
} else if ( pm.depth() == 1 ) { // monochrome pixmap, no mask
pm.setMask( *((QBitmap *)&pm) );
#ifndef QT_NO_IMAGE_HEURISTIC_MASK
} else { // color pixmap, no mask
QString k;
k.sprintf( "$qt-drawitem-%x", pm.serialNumber() );
QPixmap *mask = QPixmapCache::find(k);
bool del=FALSE;
if ( !mask ) {
mask = new QPixmap( pm.createHeuristicMask() );
mask->setMask( *((QBitmap*)mask) );
del = !QPixmapCache::insert( k, mask );
}
pm = *mask;
if (del) delete mask;
#endif
}
if ( gs == Qt::WindowsStyle ) {
p->setPen( g.light() );
p->drawPixmap( x+1, y+1, pm );
p->setPen( g.text() );
}
}
p->drawPixmap( x, y, pm );
if ( clip )
p->restore();
} else if ( !text.isNull() ) {
if ( gs == Qt::WindowsStyle && !enabled ) {
p->setPen( g.light() );
p->drawText( x+1, y+1, w, h, flags, text, len );
p->setPen( g.text() );
}
p->drawText( x, y, w, h, flags, text, len );
}
}
/*!
\enum QStyle::PrimitiveElement
This enum represents the PrimitiveElements of a style. A
PrimitiveElement is a common GUI element, such as a checkbox
indicator or pushbutton bevel.
\value PE_ButtonCommand button used to initiate an action, for
example, a QPushButton.
\value PE_ButtonDefault this button is the default button, e.g.
in a dialog.
\value PE_ButtonBevel generic button bevel.
\value PE_ButtonTool tool button, for example, a QToolButton.
\value PE_ButtonDropDown drop down button, for example, a tool
button that displays a popup menu, for example, QPopupMenu.
\value PE_FocusRect generic focus indicator.
\value PE_ArrowUp up arrow.
\value PE_ArrowDown down arrow.
\value PE_ArrowRight right arrow.
\value PE_ArrowLeft left arrow.
\value PE_SpinWidgetUp up symbol for a spin widget, for example a
QSpinBox.
\value PE_SpinWidgetDown down symbol for a spin widget.
\value PE_SpinWidgetPlus increase symbol for a spin widget.
\value PE_SpinWidgetMinus decrease symbol for a spin widget.
\value PE_Indicator on/off indicator, for example, a QCheckBox.
\value PE_IndicatorMask bitmap mask for an indicator.
\value PE_ExclusiveIndicator exclusive on/off indicator, for
example, a QRadioButton.
\value PE_ExclusiveIndicatorMask bitmap mask for an exclusive indicator.
\value PE_DockWindowHandle tear off handle for dock windows and
toolbars, for example \l{QDockWindow}s and \l{QToolBar}s.
\value PE_DockWindowSeparator item separator for dock window and
toolbar contents.
\value PE_DockWindowResizeHandle resize handle for dock windows.
\value PE_Splitter splitter handle; see also QSplitter.
\value PE_Panel generic panel frame; see also QFrame.
\value PE_PanelPopup panel frame for popup windows/menus; see also
QPopupMenu.
\value PE_PanelMenuBar panel frame for menu bars.
\value PE_PanelDockWindow panel frame for dock windows and toolbars.
\value PE_PanelTabWidget panel frame for tab widgets.
\value PE_PanelLineEdit panel frame for line edits.
\value PE_PanelGroupBox panel frame for group boxes.
\value PE_TabBarBase area below tabs in a tab widget, for example,
QTab.
\value PE_HeaderSection section of a list or table header; see also
QHeader.
\value PE_HeaderArrow arrow used to indicate sorting on a list or table
header
\value PE_StatusBarSection section of a status bar; see also
QStatusBar.
\value PE_GroupBoxFrame frame around a group box; see also
QGroupBox.
\value PE_WindowFrame frame around a MDI window or a docking window
\value PE_Separator generic separator.
\value PE_SizeGrip window resize handle; see also QSizeGrip.
\value PE_CheckMark generic check mark; see also QCheckBox.
\value PE_ScrollBarAddLine scrollbar line increase indicator
(i.e. scroll down); see also QScrollBar.
\value PE_ScrollBarSubLine scrollbar line decrease indicator (i.e. scroll up).
\value PE_ScrollBarAddPage scolllbar page increase indicator (i.e. page down).
\value PE_ScrollBarSubPage scrollbar page decrease indicator (i.e. page up).
\value PE_ScrollBarSlider scrollbar slider
\value PE_ScrollBarFirst scrollbar first line indicator (i.e. home).
\value PE_ScrollBarLast scrollbar last line indicator (i.e. end).
\value PE_ProgressBarChunk section of a progress bar indicator; see
also QProgressBar.
\value PE_CheckListController controller part of a listview item
\value PE_CheckListIndicator checkbox part of a listview item
\value PE_CheckListExclusiveIndicator radiobutton part of a listview item
\value PE_RubberBand rubber band used in such things as iconview
\value PE_CustomBase base value for custom PrimitiveElements.
All values above this are reserved for custom use. Custom
values must be greater than this value.
\sa drawPrimitive()
*/
/*! \enum QStyle::SFlags
\internal
*/
/*! \enum QStyle::SCFlags
\internal
*/
/*!
\enum QStyle::StyleFlags
This enum represents flags for drawing PrimitiveElements. Not all
primitives use all of these flags. Note that these flags may mean
different things to different primitives. For an explanation of
the relationship between primitives and their flags, as well as
the different meanings of the flags, see the \link
customstyles.html Style overview\endlink.
\value Style_Default
\value Style_Enabled
\value Style_Raised
\value Style_Sunken
\value Style_Off
\value Style_NoChange
\value Style_On
\value Style_Down
\value Style_Horizontal
\value Style_HasFocus
\value Style_Top
\value Style_Bottom
\value Style_FocusAtBorder
\value Style_AutoRaise
\value Style_MouseOver
\value Style_Up
\value Style_Selected
\value Style_HasFocus
\value Style_Active
\value Style_ButtonDefault
\sa drawPrimitive()
*/
/*!
\fn void QStyle::drawPrimitive( PrimitiveElement pe, QPainter *p, const QRect &r, const QColorGroup &cg, SFlags flags, const QStyleOption& opt) const
Draws the style PrimitiveElement \a pe using the painter \a p in
the area \a r. Colors are used from the color group \a cg.
The rect \a r should be in screen coordinates.
The \a flags argument is used to control how the PrimitiveElement
is drawn. Multiple flags can be OR'ed together.
For example, a pressed button would be drawn with the flags \c
Style_Enabled and \c Style_Down.
The \a opt argument can be used to control how various
PrimitiveElements are drawn. Note that \a opt may be the default
value even for PrimitiveElements that make use of extra options.
When \a opt is non-default, it is used as follows:
\table
\header \i PrimitiveElement \i Options \i Notes
\row \i \l PE_FocusRect
\i \l QStyleOption ( const \l QColor & bg )
\list
\i opt.\link QStyleOption::color() color\endlink()
\endlist
\i \e bg is the background color on which the focus rect is being drawn.
\row \i12 \l PE_Panel
\i12 \l QStyleOption ( int linewidth, int midlinewidth )
\list
\i opt.\link QStyleOption::lineWidth() lineWidth\endlink()
\i opt.\link QStyleOption::midLineWidth() midLineWidth\endlink()
\endlist
\i \e linewidth is the line width for drawing the panel.
\row \i \e midlinewidth is the mid-line width for drawing the panel.
\row \i12 \l PE_PanelPopup
\i12 \l QStyleOption ( int linewidth, int midlinewidth )
\list
\i opt.\link QStyleOption::lineWidth() lineWidth\endlink()
\i opt.\link QStyleOption::midLineWidth() midLineWidth\endlink()
\endlist
\i \e linewidth is the line width for drawing the panel.
\row \i \e midlinewidth is the mid-line width for drawing the panel.
\row \i12 \l PE_PanelMenuBar
\i12 \l QStyleOption ( int linewidth, int midlinewidth )
\list
\i opt.\link QStyleOption::lineWidth() lineWidth\endlink()
\i opt.\link QStyleOption::midLineWidth() midLineWidth\endlink()
\endlist
\i \e linewidth is the line width for drawing the panel.
\row \i \e midlinewidth is the mid-line width for drawing the panel.
\row \i12 \l PE_PanelDockWindow
\i12 \l QStyleOption ( int linewidth, int midlinewidth )
\list
\i opt.\link QStyleOption::lineWidth() lineWidth\endlink()
\i opt.\link QStyleOption::midLineWidth() midLineWidth\endlink()
\endlist
\i \e linewidth is the line width for drawing the panel.
\row \i \e midlinewidth is the mid-line width for drawing the panel.
\row \i14 \l PE_GroupBoxFrame
\i14 \l QStyleOption ( int linewidth, int midlinewidth, int shape, int shadow )
\list
\i opt.\link QStyleOption::lineWidth() lineWidth\endlink()
\i opt.\link QStyleOption::midLineWidth() midLineWidth\endlink()
\i opt.\link QStyleOption::frameShape() frameShape\endlink()
\i opt.\link QStyleOption::frameShadow() frameShadow\endlink()
\endlist
\i \e linewidth is the line width for the group box.
\row \i \e midlinewidth is the mid-line width for the group box.
\row \i \e shape is the \link QFrame::frameShape frame shape \endlink
for the group box.
\row \i \e shadow is the \link QFrame::frameShadow frame shadow \endlink
for the group box.
\endtable
For all other \link QStyle::PrimitiveElement
PrimitiveElements\endlink, \a opt is unused.
\sa StyleFlags
*/
/*!
\enum QStyle::ControlElement
This enum represents a ControlElement. A ControlElement is part of
a widget that performs some action or displays information to the
user.
\value CE_PushButton the bevel and default indicator of a QPushButton.
\value CE_PushButtonLabel the label (iconset with text or pixmap)
of a QPushButton.
\value CE_CheckBox the indicator of a QCheckBox.
\value CE_CheckBoxLabel the label (text or pixmap) of a QCheckBox.
\value CE_RadioButton the indicator of a QRadioButton.
\value CE_RadioButtonLabel the label (text or pixmap) of a QRadioButton.
\value CE_TabBarTab the tab within a QTabBar (a QTab).
\value CE_TabBarLabel the label within a QTab.
\value CE_ProgressBarGroove the groove where the progress
indicator is drawn in a QProgressBar.
\value CE_ProgressBarContents the progress indicator of a QProgressBar.
\value CE_ProgressBarLabel the text label of a QProgressBar.
\value CE_PopupMenuItem a menu item in a QPopupMenu.
\value CE_PopupMenuScroller scrolling areas in a popumenu when the
style supports scrolling.
\value CE_PopupMenuHorizontalExtra extra frame area set aside with PM_PopupMenuFrameHorizontalExtra
\value CE_PopupMenuVerticalExtra extra frame area set aside with PM_PopupMenuFrameVerticalExtra
\value CE_MenuBarItem a menu item in a QMenuBar.
\value CE_ToolButtonLabel a tool button's label.
\value CE_MenuBarEmptyArea the empty area of a QMenuBar.
\value CE_DockWindowEmptyArea the empty area of a QDockWindow.
\value CE_ToolBoxTab the toolbox's tab area
\value CE_HeaderLabel the header's label
\value CE_CustomBase base value for custom ControlElements. All values above
this are reserved for custom use. Therefore, custom values must be
greater than this value.
\sa drawControl()
*/
/*!
\fn void QStyle::drawControl( ControlElement element, QPainter *p, const QWidget *widget, const QRect &r, const QColorGroup &cg, SFlags how, const QStyleOption& opt) const
Draws the ControlElement \a element using the painter \a p in the
area \a r. Colors are used from the color group \a cg.
The rect \a r should be in screen coordinates.
The \a how argument is used to control how the ControlElement is
drawn. Multiple flags can be OR'ed together. See the table below
for an explanation of which flags are used with the various
ControlElements.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a element. The \a opt argument can be used to
pass extra information required when drawing the ControlElement.
Note that \a opt may be the default value even for ControlElements
that can make use of the extra options. See the table below for
the appropriate \a widget and \a opt usage:
\table
\header \i ControlElement<br>\& Widget Cast
\i Style Flags
\i Notes
\i Options
\i Notes
\row \i16 \l{CE_PushButton}(const \l QPushButton *)
and
\l{CE_PushButtonLabel}(const \l QPushButton *)
\i \l Style_Enabled \i Set if the button is enabled.
\i16 Unused.
\i16
\row \i \l Style_HasFocus \i Set if the button has input focus.
\row \i \l Style_Raised \i Set if the button is not down, not on and not flat.
\row \i \l Style_On \i Set if the button is a toggle button and toggled on.
\row \i \l Style_Down \i Set if the button is down (i.e., the mouse button or
space bar is pressed on the button).
\row \i \l Style_ButtonDefault \i Set if the button is a default button.
\row \i16 \l{CE_CheckBox}(const \l QCheckBox *)
and
\l{CE_CheckBoxLabel}(const \l QCheckBox *)
\i \l Style_Enabled \i Set if the checkbox is enabled.
\i16 Unused.
\i16
\row \i \l Style_HasFocus \i Set if the checkbox has input focus.
\row \i \l Style_On \i Set if the checkbox is checked.
\row \i \l Style_Off \i Set if the checkbox is not checked.
\row \i \l Style_NoChange \i Set if the checkbox is in the NoChange state.
\row \i \l Style_Down \i Set if the checkbox is down (i.e., the mouse button or
space bar is pressed on the button).
\row \i15 \l{CE_RadioButton}(const QRadioButton *)
and
\l{CE_RadioButtonLabel}(const QRadioButton *)
\i \l Style_Enabled \i Set if the radiobutton is enabled.
\i15 Unused.
\i15
\row \i \l Style_HasFocus \i Set if the radiobutton has input focus.
\row \i \l Style_On \i Set if the radiobutton is checked.
\row \i \l Style_Off \i Set if the radiobutton is not checked.
\row \i \l Style_Down \i Set if the radiobutton is down (i.e., the mouse
button or space bar is pressed on the radiobutton).
\row \i12 \l{CE_TabBarTab}(const \l QTabBar *)
and
\l{CE_TabBarLabel}(const \l QTabBar *)
\i \l Style_Enabled \i Set if the tabbar and tab is enabled.
\i12 \l QStyleOption ( \l QTab *t )
\list
\i opt.\link QStyleOption::tab() tab\endlink()
\endlist
\i12 \e t is the QTab being drawn.
\row \i \l Style_Selected \i Set if the tab is the current tab.
\row \i12 \l{CE_ProgressBarGroove}(const QProgressBar *)
and
\l{CE_ProgressBarContents}(const QProgressBar *)
and
\l{CE_ProgressBarLabel}(const QProgressBar *)
\i \l Style_Enabled \i Set if the progressbar is enabled.
\i12 Unused.
\i12
\row \i \l Style_HasFocus \i Set if the progressbar has input focus.
\row \i13 \l{CE_PopupMenuItem}(const \l QPopupMenu *)
\i \l Style_Enabled \i Set if the menuitem is enabled.
\i13 \l QStyleOption ( QMenuItem *mi, int tabwidth, int maxpmwidth )
\list
\i opt.\link QStyleOption::menuItem() menuItem\endlink()
\i opt.\link QStyleOption::tabWidth() tabWidth\endlink()
\i opt.\link QStyleOption::maxIconWidth() maxIconWidth\endlink()
\endlist
\i \e mi is the menu item being drawn. QMenuItem is currently an
internal class.
\row \i \l Style_Active \i Set if the menuitem is the current item.
\i \e tabwidth is the width of the tab column where key accelerators
are drawn.
\row \i \l Style_Down \i Set if the menuitem is down (i.e., the mouse button
or space bar is pressed).
\i \e maxpmwidth is the maximum width of the check column where
checkmarks and iconsets are drawn.
\row \i14 \l{CE_MenuBarItem}(const \l QMenuBar *)
\i \l Style_Enabled \i Set if the menuitem is enabled
\i14 \l QStyleOption ( QMenuItem *mi )
\list
\i opt.\link QStyleOption::menuItem() menuItem\endlink()
\endlist
\i14 \e mi is the menu item being drawn.
\row \i \l Style_Active \i Set if the menuitem is the current item.
\row \i \l Style_Down \i Set if the menuitem is down (i.e., a mouse button or
the space bar is pressed).
\row \i \l Style_HasFocus \i Set if the menubar has input focus.
\row \i17 \l{CE_ToolButtonLabel}(const \l QToolButton *)
\i \l Style_Enabled \i Set if the toolbutton is enabled.
\i17 \l QStyleOption ( \l ArrowType t )
\list
\i opt.\link QStyleOption::arrowType() arrowType\endlink()
\endlist
\i17 When the tool button only contains an arrow, \e t is the
arrow's type.
\row \i \l Style_HasFocus \i Set if the toolbutton has input focus.
\row \i \l Style_Down \i Set if the toolbutton is down (i.e., a
mouse button or the space is pressed).
\row \i \l Style_On \i Set if the toolbutton is a toggle button
and is toggled on.
\row \i \l Style_AutoRaise \i Set if the toolbutton has auto-raise enabled.
\row \i \l Style_MouseOver \i Set if the mouse pointer is over the toolbutton.
\row \i \l Style_Raised \i Set if the button is not down, not on and doesn't
contain the mouse when auto-raise is enabled.
\endtable
\sa ControlElement, StyleFlags
*/
/*!
\fn void QStyle::drawControlMask( ControlElement element, QPainter *p, const QWidget *widget, const QRect &r, const QStyleOption& opt) const
Draw a bitmask for the ControlElement \a element using the painter
\a p in the area \a r. See drawControl() for an explanation of the
use of the \a widget and \a opt arguments.
The rect \a r should be in screen coordinates.
\sa drawControl(), ControlElement
*/
/*!
\enum QStyle::SubRect
This enum represents a sub-area of a widget. Style implementations
would use these areas to draw the different parts of a widget.
\value SR_PushButtonContents area containing the label (iconset
with text or pixmap).
\value SR_PushButtonFocusRect area for the focus rect (usually
larger than the contents rect).
\value SR_CheckBoxIndicator area for the state indicator (e.g. check mark).
\value SR_CheckBoxContents area for the label (text or pixmap).
\value SR_CheckBoxFocusRect area for the focus indicator.
\value SR_RadioButtonIndicator area for the state indicator.
\value SR_RadioButtonContents area for the label.
\value SR_RadioButtonFocusRect area for the focus indicator.
\value SR_ComboBoxFocusRect area for the focus indicator.
\value SR_SliderFocusRect area for the focus indicator.
\value SR_DockWindowHandleRect area for the tear-off handle.
\value SR_ProgressBarGroove area for the groove.
\value SR_ProgressBarContents area for the progress indicator.
\value SR_ProgressBarLabel area for the text label.
\value SR_ToolButtonContents area for the tool button's label.
\value SR_DialogButtonAccept area for a dialog's accept button.
\value SR_DialogButtonReject area for a dialog's reject button.
\value SR_DialogButtonApply area for a dialog's apply button.
\value SR_DialogButtonHelp area for a dialog's help button.
\value SR_DialogButtonAll area for a dialog's all button.
\value SR_DialogButtonRetry area for a dialog's retry button.
\value SR_DialogButtonAbort area for a dialog's abort button.
\value SR_DialogButtonIgnore area for a dialog's ignore button.
\value SR_DialogButtonCustom area for a dialog's custom widget area (in button row).
\value SR_ToolBoxTabContents area for a toolbox tab's icon and label
\value SR_CustomBase base value for custom ControlElements. All values above
this are reserved for custom use. Therefore, custom values must be
greater than this value.
\sa subRect()
*/
/*!
\fn QRect QStyle::subRect( SubRect subrect, const QWidget *widget ) const;
Returns the sub-area \a subrect for the \a widget in logical
coordinates.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a subrect. See the table below for the
appropriate \a widget casts:
\table
\header \i SubRect \i Widget Cast
\row \i \l SR_PushButtonContents \i (const \l QPushButton *)
\row \i \l SR_PushButtonFocusRect \i (const \l QPushButton *)
\row \i \l SR_CheckBoxIndicator \i (const \l QCheckBox *)
\row \i \l SR_CheckBoxContents \i (const \l QCheckBox *)
\row \i \l SR_CheckBoxFocusRect \i (const \l QCheckBox *)
\row \i \l SR_RadioButtonIndicator \i (const \l QRadioButton *)
\row \i \l SR_RadioButtonContents \i (const \l QRadioButton *)
\row \i \l SR_RadioButtonFocusRect \i (const \l QRadioButton *)
\row \i \l SR_ComboBoxFocusRect \i (const \l QComboBox *)
\row \i \l SR_DockWindowHandleRect \i (const \l QWidget *)
\row \i \l SR_ProgressBarGroove \i (const \l QProgressBar *)
\row \i \l SR_ProgressBarContents \i (const \l QProgressBar *)
\row \i \l SR_ProgressBarLabel \i (const \l QProgressBar *)
\endtable
The tear-off handle (SR_DockWindowHandleRect) for QDockWindow
is a private class. Use QWidget::parentWidget() to access the
QDockWindow:
\code
if ( !widget->parentWidget() )
return;
const QDockWindow *dw = (const QDockWindow *) widget->parentWidget();
\endcode
\sa SubRect
*/
/*!
\enum QStyle::ComplexControl
This enum represents a ComplexControl. ComplexControls have
different behaviour depending upon where the user clicks on them
or which keys are pressed.
\value CC_SpinWidget
\value CC_ComboBox
\value CC_ScrollBar
\value CC_Slider
\value CC_ToolButton
\value CC_TitleBar
\value CC_ListView
\value CC_CustomBase base value for custom ControlElements. All
values above this are reserved for custom use. Therefore,
custom values must be greater than this value.
\sa SubControl drawComplexControl()
*/
/*!
\enum QStyle::SubControl
This enum represents a SubControl within a ComplexControl.
\value SC_None special value that matches no other SubControl.
\value SC_ScrollBarAddLine scrollbar add line (i.e. down/right
arrow); see also QScrollbar.
\value SC_ScrollBarSubLine scrollbar sub line (i.e. up/left arrow).
\value SC_ScrollBarAddPage scrollbar add page (i.e. page down).
\value SC_ScrollBarSubPage scrollbar sub page (i.e. page up).
\value SC_ScrollBarFirst scrollbar first line (i.e. home).
\value SC_ScrollBarLast scrollbar last line (i.e. end).
\value SC_ScrollBarSlider scrollbar slider handle.
\value SC_ScrollBarGroove special subcontrol which contains the
area in which the slider handle may move.
\value SC_SpinWidgetUp spinwidget up/increase; see also QSpinBox.
\value SC_SpinWidgetDown spinwidget down/decrease.
\value SC_SpinWidgetFrame spinwidget frame.
\value SC_SpinWidgetEditField spinwidget edit field.
\value SC_SpinWidgetButtonField spinwidget button field.
\value SC_ComboBoxEditField combobox edit field; see also QComboBox.
\value SC_ComboBoxArrow combobox arrow
\value SC_ComboBoxFrame combobox frame
\value SC_ComboBoxListBoxPopup combobox list box
\value SC_SliderGroove special subcontrol which contains the area
in which the slider handle may move.
\value SC_SliderHandle slider handle.
\value SC_SliderTickmarks slider tickmarks.
\value SC_ToolButton tool button; see also QToolbutton.
\value SC_ToolButtonMenu subcontrol for opening a popup menu in a
tool button; see also QPopupMenu.
\value SC_TitleBarSysMenu system menu button (i.e. restore, close, etc.).
\value SC_TitleBarMinButton minimize button.
\value SC_TitleBarMaxButton maximize button.
\value SC_TitleBarCloseButton close button.
\value SC_TitleBarLabel window title label.
\value SC_TitleBarNormalButton normal (restore) button.
\value SC_TitleBarShadeButton shade button.
\value SC_TitleBarUnshadeButton unshade button.
\value SC_ListView the list view area.
\value SC_ListViewBranch (internal)
\value SC_ListViewExpand expand item (i.e. show/hide child items).
\value SC_All special value that matches all SubControls.
\sa ComplexControl
*/
/*!
\fn void QStyle::drawComplexControl( ComplexControl control, QPainter *p, const QWidget *widget, const QRect &r, const QColorGroup &cg, SFlags how, SCFlags sub, SCFlags subActive, const QStyleOption& opt ) const
Draws the ComplexControl \a control using the painter \a p in the
area \a r. Colors are used from the color group \a cg. The \a sub
argument specifies which SubControls to draw. Multiple SubControls
can be OR'ed together. The \a subActive argument specifies which
SubControl is active.
The rect \a r should be in logical coordinates. Reimplementations
of this function should use visualRect() to change the logical
coordinates into screen coordinates when using drawPrimitive() and
drawControl().
The \a how argument is used to control how the ComplexControl is
drawn. Multiple flags can OR'ed together. See the table below for
an explanation of which flags are used with the various
ComplexControls.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a control. The \a opt argument can be used to
pass extra information required when drawing the ComplexControl.
Note that \a opt may be the default value even for ComplexControls
that can make use of the extra options. See the table below for
the appropriate \a widget and \a opt usage:
\table
\header \i ComplexControl<br>\& Widget Cast
\i Style Flags
\i Notes
\i Options
\i Notes
\row \i12 \l{CC_SpinWidget}(const QSpinWidget *)
\i \l Style_Enabled \i Set if the spinwidget is enabled.
\i12 Unused.
\i12
\row \i \l Style_HasFocus \i Set if the spinwidget has input focus.
\row \i12 \l{CC_ComboBox}(const \l QComboBox *)
\i \l Style_Enabled \i Set if the combobox is enabled.
\i12 Unused.
\i12
\row \i \l Style_HasFocus \i Set if the combobox has input focus.
\row \i12 \l{CC_ScrollBar}(const \l QScrollBar *)
\i \l Style_Enabled \i Set if the scrollbar is enabled.
\i12 Unused.
\i12
\row \i \l Style_HasFocus \i Set if the scrollbar has input focus.
\row \i12 \l{CC_Slider}(const \l QSlider *)
\i \l Style_Enabled \i Set if the slider is enabled.
\i12 Unused.
\i12
\row \i \l Style_HasFocus \i Set if the slider has input focus.
\row \i16 \l{CC_ToolButton}(const \l QToolButton *)
\i \l Style_Enabled \i Set if the toolbutton is enabled.
\i16 \l QStyleOption ( \l ArrowType t )
\list
\i opt.\link QStyleOption::arrowType() arrowType\endlink()
\endlist
\i16 When the tool button only contains an arrow, \e t is the
arrow's type.
\row \i \l Style_HasFocus \i Set if the toolbutton has input focus.
\row \i \l Style_Down \i Set if the toolbutton is down (ie. mouse
button or space pressed).
\row \i \l Style_On \i Set if the toolbutton is a toggle button
and is toggled on.
\row \i \l Style_AutoRaise \i Set if the toolbutton has auto-raise enabled.
\row \i \l Style_Raised \i Set if the button is not down, not on and doesn't
contain the mouse when auto-raise is enabled.
\row \i \l{CC_TitleBar}(const \l QWidget *)
\i \l Style_Enabled \i Set if the titlebar is enabled.
\i Unused.
\i
\row \i \l{CC_ListView}(const \l QListView *)
\i \l Style_Enabled \i Set if the titlebar is enabled.
\i \l QStyleOption ( \l QListViewItem *item )
\list
\i opt.\link QStyleOption::listViewItem() listViewItem\endlink()
\endlist
\i \e item is the item that needs branches drawn
\endtable
\sa ComplexControl, SubControl
*/
/*!
\fn void QStyle::drawComplexControlMask( ComplexControl control, QPainter *p, const QWidget *widget, const QRect &r, const QStyleOption& opt) const
Draw a bitmask for the ComplexControl \a control using the painter
\a p in the area \a r. See drawComplexControl() for an explanation
of the use of the \a widget and \a opt arguments.
The rect \a r should be in logical coordinates. Reimplementations
of this function should use visualRect() to change the logical
corrdinates into screen coordinates when using drawPrimitive() and
drawControl().
\sa drawComplexControl() ComplexControl
*/
/*!
\fn QRect QStyle::querySubControlMetrics( ComplexControl control, const QWidget *widget, SubControl subcontrol, const QStyleOption& opt = QStyleOption::Default ) const;
Returns the rect for the SubControl \a subcontrol for \a widget in
logical coordinates.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a control. The \a opt argument can be used to
pass extra information required when drawing the ComplexControl.
Note that \a opt may be the default value even for ComplexControls
that can make use of the extra options. See drawComplexControl()
for an explanation of the \a widget and \a opt arguments.
\sa drawComplexControl(), ComplexControl, SubControl
*/
/*!
\fn SubControl QStyle::querySubControl( ComplexControl control, const QWidget *widget, const QPoint &pos, const QStyleOption& opt = QStyleOption::Default ) const;
Returns the SubControl for \a widget at the point \a pos. The \a
widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a control. The \a opt argument can be used to
pass extra information required when drawing the ComplexControl.
Note that \a opt may be the default value even for ComplexControls
that can make use of the extra options. See drawComplexControl()
for an explanation of the \a widget and \a opt arguments.
Note that \a pos is passed in screen coordinates. When using
querySubControlMetrics() to check for hits and misses, use
visualRect() to change the logical coordinates into screen
coordinates.
\sa drawComplexControl(), ComplexControl, SubControl, querySubControlMetrics()
*/
/*!
\enum QStyle::PixelMetric
This enum represents a PixelMetric. A PixelMetric is a style
dependent size represented as a single pixel value.
\value PM_ButtonMargin amount of whitespace between pushbutton
labels and the frame.
\value PM_ButtonDefaultIndicator width of the default-button indicator frame.
\value PM_MenuButtonIndicator width of the menu button indicator
proportional to the widget height.
\value PM_ButtonShiftHorizontal horizontal contents shift of a
button when the button is down.
\value PM_ButtonShiftVertical vertical contents shift of a button when the
button is down.
\value PM_DefaultFrameWidth default frame width, usually 2.
\value PM_SpinBoxFrameWidth frame width of a spin box.
\value PM_MDIFrameWidth frame width of an MDI window.
\value PM_MDIMinimizedWidth width of a minimized MSI window.
\value PM_MaximumDragDistance Some feels require the scrollbar or
other sliders to jump back to the original position when the
mouse pointer is too far away while dragging. A value of -1
disables this behavior.
\value PM_ScrollBarExtent width of a vertical scrollbar and the
height of a horizontal scrollbar.
\value PM_ScrollBarSliderMin the minimum height of a vertical
scrollbar's slider and the minimum width of a horiztonal
scrollbar slider.
\value PM_SliderThickness total slider thickness.
\value PM_SliderControlThickness thickness of the slider handle.
\value PM_SliderLength length of the slider.
\value PM_SliderTickmarkOffset the offset between the tickmarks
and the slider.
\value PM_SliderSpaceAvailable the available space for the slider to move.
\value PM_DockWindowSeparatorExtent width of a separator in a
horiztonal dock window and the height of a separator in a
vertical dock window.
\value PM_DockWindowHandleExtent width of the handle in a
horizontal dock window and the height of the handle in a
vertical dock window.
\value PM_DockWindowFrameWidth frame width of a dock window.
\value PM_MenuBarFrameWidth frame width of a menubar.
\value PM_MenuBarItemSpacing spacing between menubar items.
\value PM_ToolBarItemSpacing spacing between toolbar items.
\value PM_TabBarTabOverlap number of pixels the tabs should overlap.
\value PM_TabBarTabHSpace extra space added to the tab width.
\value PM_TabBarTabVSpace extra space added to the tab height.
\value PM_TabBarBaseHeight height of the area between the tab bar
and the tab pages.
\value PM_TabBarBaseOverlap number of pixels the tab bar overlaps
the tab bar base.
\value PM_TabBarScrollButtonWidth
\value PM_TabBarTabShiftHorizontal horizontal pixel shift when a
tab is selected.
\value PM_TabBarTabShiftVertical vertical pixel shift when a
tab is selected.
\value PM_ProgressBarChunkWidth width of a chunk in a progress bar indicator.
\value PM_SplitterWidth width of a splitter.
\value PM_TitleBarHeight height of the title bar.
\value PM_PopupMenuFrameHorizontalExtra additional border, e.g. for panels
\value PM_PopupMenuFrameVerticalExtra additional border, e.g. for panels
\value PM_IndicatorWidth width of a check box indicator.
\value PM_IndicatorHeight height of a checkbox indicator.
\value PM_ExclusiveIndicatorWidth width of a radio button indicator.
\value PM_ExclusiveIndicatorHeight height of a radio button indicator.
\value PM_PopupMenuScrollerHeight height of the scroller area in a popupmenu.
\value PM_PopupMenuScrollerHeight height of the scroller area in a popupmenu.
\value PM_CheckListButtonSize area (width/height) of the
checkbox/radiobutton in a QCheckListItem
\value PM_CheckListControllerSize area (width/height) of the
controller in a QCheckListItem
\value PM_DialogButtonsSeparator distance between buttons in a dialog buttons widget.
\value PM_DialogButtonsButtonWidth minimum width of a button in a dialog buttons widget.
\value PM_DialogButtonsButtonHeight minimum height of a button in a dialog buttons widget.
\value PM_HeaderMarkSize
\value PM_HeaderGripMargin
\value PM_HeaderMargin
\value PM_CustomBase base value for custom ControlElements. All
values above this are reserved for custom use. Therefore,
custom values must be greater than this value.
\sa pixelMetric()
*/
/*!
\fn int QStyle::pixelMetric( PixelMetric metric, const QWidget *widget = 0 ) const;
Returns the pixel metric for \a metric. The \a widget argument is
a pointer to a QWidget or one of its subclasses. The widget can be
cast to the appropriate type based on the value of \a metric. Note
that \a widget may be zero even for PixelMetrics that can make use
of \a widget. See the table below for the appropriate \a widget
casts:
\table
\header \i PixelMetric \i Widget Cast
\row \i \l PM_SliderControlThickness \i (const \l QSlider *)
\row \i \l PM_SliderLength \i (const \l QSlider *)
\row \i \l PM_SliderTickmarkOffset \i (const \l QSlider *)
\row \i \l PM_SliderSpaceAvailable \i (const \l QSlider *)
\row \i \l PM_TabBarTabOverlap \i (const \l QTabBar *)
\row \i \l PM_TabBarTabHSpace \i (const \l QTabBar *)
\row \i \l PM_TabBarTabVSpace \i (const \l QTabBar *)
\row \i \l PM_TabBarBaseHeight \i (const \l QTabBar *)
\row \i \l PM_TabBarBaseOverlap \i (const \l QTabBar *)
\endtable
*/
/*!
\enum QStyle::ContentsType
This enum represents a ContentsType. It is used to calculate sizes
for the contents of various widgets.
\value CT_PushButton
\value CT_CheckBox
\value CT_RadioButton
\value CT_ToolButton
\value CT_ComboBox
\value CT_Splitter
\value CT_DockWindow
\value CT_ProgressBar
\value CT_PopupMenuItem
\value CT_TabBarTab
\value CT_Slider
\value CT_Header
\value CT_LineEdit
\value CT_MenuBar
\value CT_SpinBox
\value CT_SizeGrip
\value CT_TabWidget
\value CT_DialogButtons
\value CT_CustomBase base value for custom ControlElements. All
values above this are reserved for custom use. Custom values
must be greater than this value.
\sa sizeFromContents()
*/
/*!
\fn QSize QStyle::sizeFromContents( ContentsType contents, const QWidget *widget, const QSize &contentsSize, const QStyleOption& opt = QStyleOption::Default ) const;
Returns the size of \a widget based on the contents size \a
contentsSize.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a contents. The \a opt argument can be used to
pass extra information required when calculating the size. Note
that \a opt may be the default value even for ContentsTypes that
can make use of the extra options. See the table below for the
appropriate \a widget and \a opt usage:
\table
\header \i ContentsType \i Widget Cast \i Options \i Notes
\row \i \l CT_PushButton \i (const \l QPushButton *) \i Unused. \i
\row \i \l CT_CheckBox \i (const \l QCheckBox *) \i Unused. \i
\row \i \l CT_RadioButton \i (const \l QRadioButton *) \i Unused. \i
\row \i \l CT_ToolButton \i (const \l QToolButton *) \i Unused. \i
\row \i \l CT_ComboBox \i (const \l QComboBox *) \i Unused. \i
\row \i \l CT_Splitter \i (const \l QSplitter *) \i Unused. \i
\row \i \l CT_DockWindow \i (const \l QDockWindow *) \i Unused. \i
\row \i \l CT_ProgressBar \i (const \l QProgressBar *) \i Unused. \i
\row \i \l CT_PopupMenuItem \i (const QPopupMenu *)
\i \l QStyleOption ( QMenuItem *mi )
\list
\i opt.\link QStyleOption::menuItem() menuItem\endlink()
\endlist
\i \e mi is the menu item to use when calculating the size.
QMenuItem is currently an internal class.
\endtable
*/
/*!
\enum QStyle::StyleHint
This enum represents a StyleHint. A StyleHint is a general look
and/or feel hint.
\value SH_EtchDisabledText disabled text is "etched" like Windows.
\value SH_GUIStyle the GUI style to use.
\value SH_ScrollBar_BackgroundMode the background mode for a
QScrollBar. Possible values are any of those in the \link
Qt::BackgroundMode BackgroundMode\endlink enum.
\value SH_ScrollBar_MiddleClickAbsolutePosition a boolean value.
If TRUE, middle clicking on a scrollbar causes the slider to
jump to that position. If FALSE, the middle clicking is
ignored.
\value SH_ScrollBar_LeftClickAbsolutePosition a boolean value.
If TRUE, left clicking on a scrollbar causes the slider to
jump to that position. If FALSE, the left clicking will
behave as appropriate for each control.
\value SH_ScrollBar_ScrollWhenPointerLeavesControl a boolean
value. If TRUE, when clicking a scrollbar SubControl, holding
the mouse button down and moving the pointer outside the
SubControl, the scrollbar continues to scroll. If FALSE, the
scollbar stops scrolling when the pointer leaves the
SubControl.
\value SH_TabBar_Alignment the alignment for tabs in a
QTabWidget. Possible values are \c Qt::AlignLeft, \c
Qt::AlignCenter and \c Qt::AlignRight.
\value SH_Header_ArrowAlignment the placement of the sorting
indicator may appear in list or table headers. Possible values
are \c Qt::Left or \c Qt::Right.
\value SH_Slider_SnapToValue sliders snap to values while moving,
like Windows
\value SH_Slider_SloppyKeyEvents key presses handled in a sloppy
manner, i.e. left on a vertical slider subtracts a line.
\value SH_ProgressDialog_CenterCancelButton center button on
progress dialogs, like Motif, otherwise right aligned.
\value SH_ProgressDialog_TextLabelAlignment Qt::AlignmentFlags --
text label alignment in progress dialogs; Center on windows,
Auto|VCenter otherwise.
\value SH_PrintDialog_RightAlignButtons right align buttons in
the print dialog, like Windows.
\value SH_MainWindow_SpaceBelowMenuBar 1 or 2 pixel space between
the menubar and the dockarea, like Windows.
\value SH_FontDialog_SelectAssociatedText select the text in the
line edit, or when selecting an item from the listbox, or when
the line edit receives focus, like Windows.
\value SH_PopupMenu_AllowActiveAndDisabled allows disabled menu
items to be active.
\value SH_PopupMenu_SpaceActivatesItem pressing Space activates
the item, like Motif.
\value SH_PopupMenu_SubMenuPopupDelay the number of milliseconds
to wait before opening a submenu; 256 on windows, 96 on Motif.
\value SH_PopupMenu_Scrollable whether popupmenu's must support
scrolling.
\value SH_PopupMenu_SloppySubMenus whether popupmenu's must support
sloppy submenu; as implemented on Mac OS.
\value SH_ScrollView_FrameOnlyAroundContents whether scrollviews
draw their frame only around contents (like Motif), or around
contents, scrollbars and corner widgets (like Windows).
\value SH_MenuBar_AltKeyNavigation menubars items are navigable
by pressing Alt, followed by using the arrow keys to select
the desired item.
\value SH_ComboBox_ListMouseTracking mouse tracking in combobox
dropdown lists.
\value SH_PopupMenu_MouseTracking mouse tracking in popup menus.
\value SH_MenuBar_MouseTracking mouse tracking in menubars.
\value SH_ItemView_ChangeHighlightOnFocus gray out selected items
when losing focus.
\value SH_Widget_ShareActivation turn on sharing activation with
floating modeless dialogs.
\value SH_TabBar_SelectMouseType which type of mouse event should
cause a tab to be selected.
\value SH_ListViewExpand_SelectMouseType which type of mouse event should
cause a listview expansion to be selected.
\value SH_TabBar_PreferNoArrows whether a tabbar should suggest a size
to prevent scoll arrows.
\value SH_ComboBox_Popup allows popups as a combobox dropdown
menu.
\value SH_Workspace_FillSpaceOnMaximize the workspace should
maximize the client area.
\value SH_TitleBar_NoBorder the titlebar has no border
\value SH_ScrollBar_StopMouseOverSlider stops autorepeat when
slider reaches mouse
\value SH_BlinkCursorWhenTextSelected whether cursor should blink
when text is selected
\value SH_RichText_FullWidthSelection whether richtext selections
should extend the full width of the document.
\value SH_GroupBox_TextLabelVerticalAlignment how to vertically align a
groupbox's text label.
\value SH_GroupBox_TextLabelColor how to paint a groupbox's text label.
\value SH_DialogButtons_DefaultButton which buttons gets the
default status in a dialog's button widget.
\value SH_CustomBase base value for custom ControlElements. All
values above this are reserved for custom use. Therefore,
custom values must be greater than this value.
\value SH_ToolButton_Uses3D indicates whether QToolButtons should
use a 3D frame when the mouse is over them
\value SH_ToolBox_SelectedPageTitleBold Boldness of the selected
page title in a QToolBox.
\value SH_LineEdit_PasswordCharacter The QChar Unicode character
to be used for passwords.
\value SH_Table_GridLineColor
\value SH_UnderlineAccelerator whether accelerators are underlined
\sa styleHint()
*/
/*!
\fn int QStyle::styleHint( StyleHint stylehint, const QWidget *widget = 0, const QStyleOption &opt = QStyleOption::Default, QStyleHintReturn *returnData = 0 ) const;
Returns the style hint \a stylehint for \a widget. Currently, \a
widget, \a opt, and \a returnData are unused; they're included to
allow for future enhancements.
For an explanation of the return value see \l StyleHint.
*/
/*!
\enum QStyle::StylePixmap
This enum represents a StylePixmap. A StylePixmap is a pixmap that
can follow some existing GUI style or guideline.
\value SP_TitleBarMinButton minimize button on titlebars. For
example, in a QWorkspace.
\value SP_TitleBarMaxButton maximize button on titlebars.
\value SP_TitleBarCloseButton close button on titlebars.
\value SP_TitleBarNormalButton normal (restore) button on titlebars.
\value SP_TitleBarShadeButton shade button on titlebars.
\value SP_TitleBarUnshadeButton unshade button on titlebars.
\value SP_MessageBoxInformation the 'information' icon.
\value SP_MessageBoxWarning the 'warning' icon.
\value SP_MessageBoxCritical the 'critical' icon.
\value SP_MessageBoxQuestion the 'question' icon.
\value SP_DockWindowCloseButton close button on dock windows;
see also QDockWindow.
\value SP_CustomBase base value for custom ControlElements. All
values above this are reserved for custom use. Therefore,
custom values must be greater than this value.
\sa stylePixmap()
*/
/*!
\fn QPixmap QStyle::stylePixmap( StylePixmap stylepixmap, const QWidget *widget = 0, const QStyleOption& opt = QStyleOption::Default ) const;
Returns a pixmap for \a stylepixmap.
The \a opt argument can be used to pass extra information required
when drawing the ControlElement. Note that \a opt may be the
default value even for StylePixmaps that can make use of the extra
options. Currently, the \a opt argument is unused.
The \a widget argument is a pointer to a QWidget or one of its
subclasses. The widget can be cast to the appropriate type based
on the value of \a stylepixmap. See the table below for the
appropriate \a widget casts:
\table
\header \i StylePixmap \i Widget Cast
\row \i \l SP_TitleBarMinButton \i (const \l QWidget *)
\row \i \l SP_TitleBarMaxButton \i (const \l QWidget *)
\row \i \l SP_TitleBarCloseButton \i (const \l QWidget *)
\row \i \l SP_TitleBarNormalButton \i (const \l QWidget *)
\row \i \l SP_TitleBarShadeButton \i (const \l QWidget *)
\row \i \l SP_TitleBarUnshadeButton \i (const \l QWidget *)
\row \i \l SP_DockWindowCloseButton \i (const \l QDockWindow *)
\endtable
\sa StylePixmap
*/
/*!
\fn QRect QStyle::visualRect( const QRect &logical, const QWidget *w );
Returns the rect \a logical in screen coordinates. The bounding
rect for widget \a w is used to perform the translation. This
function is provided to aid style implementors in supporting
right-to-left mode.
\sa QApplication::reverseLayout()
*/
QRect QStyle::visualRect( const QRect &logical, const QWidget *w )
{
QRect boundingRect = w->rect();
QRect r = logical;
if ( QApplication::reverseLayout() )
r.moveBy( 2*(boundingRect.right() - logical.right()) +
logical.width() - boundingRect.width(), 0 );
return r;
}
/*!
\overload QRect QStyle::visualRect( const QRect &logical, const QRect &bounding );
Returns the rect \a logical in screen coordinates. The rect \a
bounding is used to perform the translation. This function is
provided to aid style implementors in supporting right-to-left
mode.
\sa QApplication::reverseLayout()
*/
QRect QStyle::visualRect( const QRect &logical, const QRect &boundingRect )
{
QRect r = logical;
if ( QApplication::reverseLayout() )
r.moveBy( 2*(boundingRect.right() - logical.right()) +
logical.width() - boundingRect.width(), 0 );
return r;
}
/*!
\fn int QStyle::defaultFrameWidth() const
\obsolete
*/
/*!
\fn void QStyle::tabbarMetrics( const QWidget *, int &, int &, int & ) const
\obsolete
*/
/*!
\fn QSize QStyle::scrollBarExtent() const
\obsolete
*/
#endif // QT_NO_STYLE
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