Merge branch 'docs-refactoring' into master

Change-Id: Iebd1966abace3cdf7f9428dcfc1ded5b124ab113

1 files changed, 134 insertions, 0 deletions

diff --git a/src/widgets/doc/snippets/code/doc_src_styles.cpp b/src/widgets/doc/snippets/code/doc_src_styles.cpp
new file mode 100644
index 0000000000..6c079c6637
--- /dev/null
+++ b/src/widgets/doc/snippets/code/doc_src_styles.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+    opt.initFrom(q);
+        if (down)
+        opt.state |= QStyle::State_Sunken;
+    if (tristate && noChange)
+        opt.state |= QStyle::State_NoChange;
+    else
+        opt.state |= checked ? QStyle::State_On :
+        QStyle::State_Off;
+    if (q->testAttribute(Qt::WA_Hover) &&  q->underMouse()) {
+        if (hovering)
+        opt.state |= QStyle::State_MouseOver;
+        else
+        opt.state &= ~QStyle::State_MouseOver;
+    }
+    opt.text = text;
+    opt.icon = icon;
+    opt.iconSize = q->iconSize();
+//! [0]
+
+
+//! [1]
+    state = QStyle::State_None;
+    if (widget->isEnabled())
+        state |= QStyle::State_Enabled;
+    if (widget->hasFocus())
+        state |= QStyle::State_HasFocus;
+    if (widget->window()->testAttribute(Qt::WA_KeyboardFocusChange))
+        state |= QStyle::State_KeyboardFocusChange;
+    if (widget->underMouse())
+        state |= QStyle::State_MouseOver;
+    if (widget->window()->isActiveWindow())
+        state |= QStyle::State_Active;
+#ifdef Q_WS_MAC
+    extern bool qt_mac_can_clickThrough(const QWidget *w); //qwidget_mac.cpp
+    if (!(state & QStyle::State_Active) && !qt_mac_can_clickThrough(widget))
+        state &= ~QStyle::State_Enabled;
+#endif
+#ifdef QT_KEYPAD_NAVIGATION
+    if (widget->hasEditFocus())
+        state |= QStyle::State_HasEditFocus;
+#endif
+
+    direction = widget->layoutDirection();
+    rect = widget->rect();
+    palette = widget->palette();
+    fontMetrics = widget->fontMetrics();
+//! [1]
+
+
+//! [2]
+    QStylePainter p(this);
+    QStyleOptionButton opt = d->getStyleOption();
+    p.drawControl(QStyle::CE_CheckBox, opt);
+//! [2]
+
+
+//! [3]
+    QStyleOptionButton subopt = *btn;
+    subopt.rect = subElementRect(SE_CheckBoxIndicator, btn, widget);
+    drawPrimitive(PE_IndicatorCheckBox, &subopt, p, widget);
+    subopt.rect = subElementRect(SE_CheckBoxContents, btn, widget);
+    drawControl(CE_CheckBoxLabel, &subopt, p, widget);
+
+    if (btn->state & State_HasFocus) {
+        QStyleOptionFocusRect fropt;
+        fropt.QStyleOption::operator=(*btn);
+        fropt.rect = subElementRect(SE_CheckBoxFocusRect, btn, widget);
+        drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
+    }
+//! [3]
+
+
+//! [4]
+    const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt);
+    uint alignment = visualAlignment(btn->direction, Qt::AlignLeft | Qt::AlignVCenter);
+
+    if (!styleHint(SH_UnderlineShortcut, btn, widget))
+        alignment |= Qt::TextHideMnemonic;
+    QPixmap pix;
+    QRect textRect = btn->rect;
+    if (!btn->icon.isNull()) {
+        pix = btn->icon.pixmap(btn->iconSize, btn->state & State_Enabled ? QIcon::Normal : QIcon::Disabled);
+        drawItemPixmap(p, btn->rect, alignment, pix);
+        if (btn->direction == Qt::RightToLeft)
+            textRect.setRight(textRect.right() - btn->iconSize.width() - 4);
+        else
+            textRect.setLeft(textRect.left() + btn->iconSize.width() + 4);
+    }
+    if (!btn->text.isEmpty()){
+        drawItemText(p, textRect, alignment | Qt::TextShowMnemonic,
+            btn->palette, btn->state & State_Enabled, btn->text, QPalette::WindowText);
+    }
+//! [4]