666 lines
25 KiB
C++
666 lines
25 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "gtkproxystyle.h"
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#include "gtkstyle.h"
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#include "shortcuthandler.h"
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#ifdef ENABLE_OVERLAYSCROLLBARS
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#include "osthumb.h"
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#endif
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#ifndef ENABLE_KDE_SUPPORT
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#include "acceleratormanager.h"
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#endif
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#include <QComboBox>
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#include <QToolBar>
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#include <QAbstractScrollArea>
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#include <QAbstractItemView>
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#include <QTreeView>
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#include <QHeaderView>
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#include <QScrollBar>
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#include <QMenu>
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#include <QApplication>
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#include <QHoverEvent>
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#include <QPainter>
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#include <QDesktopWidget>
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#include <QLibrary>
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static const char * constOnCombo="on-combo";
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#ifndef ENABLE_KDE_SUPPORT
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static const char * constAccelProp="catata-accel";
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#endif
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//static bool revertQGtkStyleOverlayMod()
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//{
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// // TODO: This is not working. ubuntu_gtk_set_use_overlay_scrollbar is found, and called.
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// // But, Gtk filechooser STILL has non-overlay scrollbars!!!
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// typedef void (*SetUseOsFn) (int);
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// // enforce the "0" suffix, so we'll open libgtk-x11-2.0.so.0
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// QLibrary libgtk(QLatin1String("gtk-x11-2.0"), 0, 0);
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// SetUseOsFn setUseOsFn = (SetUseOsFn)libgtk.resolve("ubuntu_gtk_set_use_overlay_scrollbar");
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// if (setUseOsFn) {
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// setUseOsFn(!0);
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// qputenv("LIBOVERLAY_SCROLLBAR", "override-blacklist");
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// return true;
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// }
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// return false;
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//}
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static bool isOnCombo(const QWidget *w)
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{
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return w && (qobject_cast<const QComboBox *>(w) || isOnCombo(w->parentWidget()));
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}
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GtkProxyStyle::GtkProxyStyle(ScrollbarType sb)
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: QProxyStyle()
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#ifdef ENABLE_OVERLAYSCROLLBARS
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, sbarThumb(0)
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, sbarWidth(-1)
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, sbarAreaWidth(-1)
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, sbarOffset(0xffffffff)
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, sbarLastPos(-1)
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, sbarThumbTarget(0)
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#endif
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{
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shortcutHander=new ShortcutHandler(this);
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sbarType=sb;
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if (SB_Standard!=sbarType) {
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QByteArray env=qgetenv("LIBOVERLAY_SCROLLBAR");
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if (!env.isEmpty() && env!="1") {
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sbarType=SB_Standard;
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}
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}
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setBaseStyle(qApp->style());
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if (SB_Standard!=sbarType) {
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int fh=QApplication::fontMetrics().height();
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sbarPlainViewWidth=fh/1.75;
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#ifdef ENABLE_OVERLAYSCROLLBARS
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if (SB_Overlay==sbarType && Qt::LeftToRight==QApplication::layoutDirection()) { // && revertQGtkStyleOverlayMod()) {
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sbarWidth=qMax(fh/5, 3);
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sbarAreaWidth=sbarWidth*6;
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sbarThumb=new OsThumb();
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sbarThumb->setVisible(false);
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connect(sbarThumb, SIGNAL(thumbDragged(QPoint)), SLOT(sbarThumbMoved(QPoint)));
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connect(sbarThumb, SIGNAL(pageUp()), SLOT(sbarPageUp()));
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connect(sbarThumb, SIGNAL(pageDown()), SLOT(sbarPageDown()));
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connect(sbarThumb, SIGNAL(hiding()), SLOT(sbarThumbHiding()));
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connect(sbarThumb, SIGNAL(showing()),SLOT(sbarThumbShowing()));
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}
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#endif
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}
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}
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GtkProxyStyle::~GtkProxyStyle()
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{
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#ifdef ENABLE_OVERLAYSCROLLBARS
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destroySliderThumb();
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#endif
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}
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QSize GtkProxyStyle::sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const
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{
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QSize sz=baseStyle()->sizeFromContents(type, option, size, widget);
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if (SB_Standard!=sbarType && CT_ScrollBar==type) {
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if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
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int extent(pixelMetric(PM_ScrollBarExtent, option, widget)),
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sliderMin(pixelMetric(PM_ScrollBarSliderMin, option, widget));
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if (sb->orientation == Qt::Horizontal) {
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sz = QSize(sliderMin, extent);
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} else {
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sz = QSize(extent, sliderMin);
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}
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}
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}
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return sz;
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}
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int GtkProxyStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidget *widget, QStyleHintReturn *returnData) const
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{
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switch (hint) {
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case SH_DialogButtonBox_ButtonsHaveIcons:
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return false;
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case SH_UnderlineShortcut:
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return widget ? shortcutHander->showShortcut(widget) : true;
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case SH_ScrollView_FrameOnlyAroundContents:
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if (SB_Standard!=sbarType) {
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return false;
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}
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default:
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break;
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}
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return baseStyle()->styleHint(hint, option, widget, returnData);
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}
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int GtkProxyStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
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{
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if (SB_Standard!=sbarType && PM_ScrollBarExtent==metric) {
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#ifdef ENABLE_OVERLAYSCROLLBARS
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return !sbarThumb || usePlainScrollbars(widget) ? sbarPlainViewWidth : sbarWidth;
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#else
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return sbarPlainViewWidth;
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#endif
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}
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return baseStyle()->pixelMetric(metric, option, widget);
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}
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QRect GtkProxyStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option, SubControl subControl, const QWidget *widget) const
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{
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if (SB_Standard!=sbarType && CC_ScrollBar==control) {
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if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
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QRect ret;
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bool horizontal(Qt::Horizontal==sb->orientation);
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int sbextent(pixelMetric(PM_ScrollBarExtent, sb, widget)),
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sliderMaxLength(horizontal ? sb->rect.width() : sb->rect.height()),
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sliderMinLength(pixelMetric(PM_ScrollBarSliderMin, sb, widget)),
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sliderLength;
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if (sb->maximum != sb->minimum) {
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uint valueRange = sb->maximum - sb->minimum;
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sliderLength = (sb->pageStep * sliderMaxLength) / (valueRange + sb->pageStep);
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if (sliderLength < sliderMinLength) {
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sliderLength = sliderMinLength;
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}
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if (sliderLength > sliderMaxLength) {
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sliderLength = sliderMaxLength;
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}
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} else {
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sliderLength = sliderMaxLength;
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}
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int sliderstart(sliderPositionFromValue(sb->minimum, sb->maximum, sb->sliderPosition, sliderMaxLength - sliderLength, sb->upsideDown));
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// Subcontrols
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switch(subControl)
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{
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case SC_ScrollBarSubLine:
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case SC_ScrollBarAddLine:
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return QRect();
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case SC_ScrollBarSubPage:
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if (horizontal) {
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ret.setRect(0, 0, sliderstart, sbextent);
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} else {
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ret.setRect(0, 0, sbextent, sliderstart);
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}
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break;
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case SC_ScrollBarAddPage:
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if (horizontal) {
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ret.setRect(sliderstart + sliderLength, 0, sliderMaxLength - sliderstart - sliderLength, sbextent);
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} else {
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ret.setRect(0, sliderstart + sliderLength, sbextent, sliderMaxLength - sliderstart - sliderLength);
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}
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break;
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case SC_ScrollBarGroove:
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if (horizontal) {
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ret=QRect(0, 0, sb->rect.width(), sb->rect.height());
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} else {
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ret=QRect(0, 0, sb->rect.width(), sb->rect.height());
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}
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break;
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case SC_ScrollBarSlider:
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if (horizontal) {
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ret=QRect(sliderstart, 0, sliderLength, sbextent);
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} else {
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ret=QRect(0, sliderstart, sbextent, sliderLength);
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}
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break;
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default:
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ret = baseStyle()->subControlRect(control, option, subControl, widget);
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break;
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}
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return visualRect(sb->direction/*Qt::LeftToRight*/, sb->rect, ret);
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}
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}
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return baseStyle()->subControlRect(control, option, subControl, widget);
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}
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static QPainterPath buildPath(const QRectF &r, double radius)
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{
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QPainterPath path;
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double diameter(radius*2);
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path.moveTo(r.x()+r.width(), r.y()+r.height()-radius);
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path.arcTo(r.x()+r.width()-diameter, r.y(), diameter, diameter, 0, 90);
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path.arcTo(r.x(), r.y(), diameter, diameter, 90, 90);
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path.arcTo(r.x(), r.y()+r.height()-diameter, diameter, diameter, 180, 90);
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path.arcTo(r.x()+r.width()-diameter, r.y()+r.height()-diameter, diameter, diameter, 270, 90);
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return path;
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}
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const QAbstractItemView * view(const QWidget *w) {
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if (!w) {
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return 0;
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}
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const QAbstractItemView *v=qobject_cast<const QAbstractItemView *>(w);
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return v ? v : view(w->parentWidget());
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}
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void GtkProxyStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
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{
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if (SB_Standard!=sbarType && CC_ScrollBar==control) {
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if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
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QRect r=option->rect;
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QRect slider=subControlRect(control, option, SC_ScrollBarSlider, widget);
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painter->save();
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#ifdef ENABLE_OVERLAYSCROLLBARS
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bool usePlain=!sbarThumb || usePlainScrollbars(widget);
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#else
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bool usePlain=true;
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#endif
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if (usePlain) {
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#if 0
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QLinearGradient grad(r.topLeft(), Qt::Horizontal==sb->orientation ? r.bottomLeft() : r.topRight());
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QColor col=option->palette.base().color();
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grad.setColorAt(0, col.darker(110));
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grad.setColorAt(1, col.darker(102));
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painter->fillRect(r, grad);
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#else
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if (widget && widget->property(constOnCombo).toBool()) {
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painter->fillRect(r, option->palette.background());
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} else if (!widget || widget->testAttribute(Qt::WA_OpaquePaintEvent)) {
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painter->fillRect(r, option->palette.base());
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}
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#endif
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}
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#ifdef ENABLE_OVERLAYSCROLLBARS
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else {
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painter->fillRect(r, usePlain ? option->palette.base() : option->palette.background());
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const QAbstractItemView *v=view(widget);
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if (v && qobject_cast<const QTreeView *>(v) && ((const QTreeView *)v)->header()&& ((const QTreeView *)v)->header()->isVisible()) {
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QStyleOptionHeader ho;
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ho.rect=QRect(r.x()+r.width()-(sbarWidth), r.y(), sbarWidth, ((const QTreeView *)v)->header()->height());
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ho.state=option->state;
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ho.palette=option->palette;
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painter->save();
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drawControl(CE_Header, &ho, painter, ((const QTreeView *)v)->header());
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painter->restore();
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}
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}
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#endif
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if (slider.isValid()) {
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if (usePlain) {
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bool inactive=!(sb->activeSubControls&SC_ScrollBarSlider && (option->state&State_MouseOver || option->state&State_Sunken));
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int adjust=inactive ? 3 : 1;
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painter->setRenderHint(QPainter::Antialiasing, true);
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if (Qt::Horizontal==sb->orientation) {
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slider.adjust(1, adjust, -1, -adjust);
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} else {
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slider.adjust(adjust, 1, -adjust, -1);
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}
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int dimension=(Qt::Horizontal==sb->orientation ? slider.height() : slider.width());
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QPainterPath path=buildPath(QRectF(slider.x()+0.5, slider.y()+0.5, slider.width()-1, slider.height()-1),
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dimension>6 ? (dimension/4.0) : (dimension/8.0));
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QColor col(option->palette.highlight().color());
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if (!(option->state&State_Active)) {
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col=col.darker(115);
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}
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painter->fillPath(path, col);
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painter->setPen(col);
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painter->drawPath(path);
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}
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#ifdef ENABLE_OVERLAYSCROLLBARS
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else {
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QRect toThumb;
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QPalette::ColorGroup cg=option->palette.currentColorGroup();
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if (sbarThumb && sbarThumbTarget && sbarThumbTarget==widget && sbarThumb->isVisible()) {
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QPoint p=sbarThumbTarget->mapFromGlobal(sbarThumb->pos())+QPoint(1, 1);
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if (Qt::Horizontal==sb->orientation) {
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if (p.x()<slider.x()) {
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toThumb=QRect(p.x(), slider.y(), slider.x()-p.x(), slider.width());
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} else if (p.x()>(slider.x()+slider.width())) {
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toThumb=QRect(slider.x()+slider.width(), slider.x(), p.x()-(slider.y()+slider.width()), slider.width());
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}
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} else {
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if (p.y()<slider.y()) {
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toThumb=QRect(slider.x(), p.y(), slider.width(), slider.y()-p.y());
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} else if (p.y()>(slider.y()+slider.height())) {
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toThumb=QRect(slider.x(), slider.y()+slider.height(), slider.width(), p.y()-(slider.y()+slider.height()));
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}
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}
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cg=QPalette::Active;
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}
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if (toThumb.isValid()) {
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QColor col(option->palette.color(cg, QPalette::Text));
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col.setAlphaF(0.35);
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painter->fillRect(toThumb, col);
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}
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painter->fillRect(slider, option->palette.color(cg, QPalette::Highlight));
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}
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#endif
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}
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painter->restore();
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return;
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}
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}
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baseStyle()->drawComplexControl(control, option, painter, widget);
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}
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#ifdef ENABLE_OVERLAYSCROLLBARS
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static inline void addEventFilter(QObject *object, QObject *filter)
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{
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object->removeEventFilter(filter);
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object->installEventFilter(filter);
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}
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void GtkProxyStyle::destroySliderThumb()
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{
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if (sbarThumb) {
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sbarThumb->setVisible(false);
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sbarThumb->deleteLater();
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sbarThumb=0;
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}
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}
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#endif
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inline void addEventFilter(QObject *object, QObject *filter)
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{
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object->removeEventFilter(filter);
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object->installEventFilter(filter);
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}
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void GtkProxyStyle::polish(QWidget *widget)
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{
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#ifdef ENABLE_OVERLAYSCROLLBARS
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if (SB_Overlay==sbarType && sbarThumb && widget && qobject_cast<QAbstractScrollArea *>(widget) && qstrcmp(widget->metaObject()->className(), "QComboBoxListView")) {
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addEventFilter(widget, this);
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widget->setAttribute(Qt::WA_Hover, true);
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} else if (SB_Standard!=sbarType && usePlainScrollbars(widget)) {
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widget->setAttribute(Qt::WA_Hover, true);
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}
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#else
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// TODO: Why was this here?? Should it not have just been for QScrollBars???
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// if (SB_Standard!=sbarType) {
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// widget->setAttribute(Qt::WA_Hover, true);
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// }
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if (SB_Standard!=sbarType && qobject_cast<QScrollBar *>(widget) && isOnCombo(widget)) {
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widget->setProperty(constOnCombo, true);
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}
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#endif
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#ifndef ENABLE_KDE_SUPPORT
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if (widget && qobject_cast<QMenu *>(widget) && !widget->property(constAccelProp).isValid()) {
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AcceleratorManager::manage(widget);
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widget->setProperty(constAccelProp, true);
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}
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#endif
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baseStyle()->polish(widget);
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}
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void GtkProxyStyle::polish(QPalette &pal)
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{
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baseStyle()->polish(pal);
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}
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void GtkProxyStyle::polish(QApplication *app)
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{
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addEventFilter(app, shortcutHander);
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baseStyle()->polish(app);
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}
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void GtkProxyStyle::unpolish(QWidget *widget)
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{
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#ifdef ENABLE_OVERLAYSCROLLBARS
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if (SB_Overlay==sbarType && sbarThumb && widget) {
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if (qobject_cast<QAbstractScrollArea *>(widget) && qstrcmp(widget->metaObject()->className(), "QComboBoxListView")) {
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widget->removeEventFilter(this);
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}
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if (sbarThumb && sbarThumbTarget==widget) {
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sbarThumb->hide();
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}
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}
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#endif
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baseStyle()->unpolish(widget);
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}
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void GtkProxyStyle::unpolish(QApplication *app)
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{
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app->removeEventFilter(shortcutHander);
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baseStyle()->unpolish(app);
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}
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#ifdef ENABLE_OVERLAYSCROLLBARS
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bool GtkProxyStyle::eventFilter(QObject *object, QEvent *event)
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{
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if (SB_Overlay==sbarType) {
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switch (event->type()) {
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case QEvent::HoverMove:
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if (object && qobject_cast<QAbstractScrollArea *>(object)) {
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QHoverEvent *he=(QHoverEvent *)event;
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QAbstractScrollArea *a=(QAbstractScrollArea *)object;
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QScrollBar *bar=0;
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if (a->horizontalScrollBar() && a->horizontalScrollBar()->isVisible() && he->pos().y()>(a->height()-sbarAreaWidth)) {
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bar=a->horizontalScrollBar();
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}
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if (a->verticalScrollBar() && a->verticalScrollBar()->isVisible() && he->pos().x()>(a->width()-sbarAreaWidth)) {
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bar=a->verticalScrollBar();
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}
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if (bar) {
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if (sbarThumbTarget!=bar) {
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if (sbarThumbTarget) {
|
|
disconnect(bar, SIGNAL(destroyed(QObject *)), this, SLOT(objectDestroyed(QObject *)));
|
|
}
|
|
sbarThumbTarget=bar;
|
|
connect(bar, SIGNAL(destroyed(QObject *)), this, SLOT(objectDestroyed(QObject *)));
|
|
}
|
|
|
|
if (!sbarThumb->isVisible() || bar->orientation()!=sbarThumb->orientation()) {
|
|
sbarThumb->setOrientation(bar->orientation());
|
|
QPoint global=a->mapToGlobal(QPoint(Qt::Vertical==bar->orientation() ? a->width()-sbarWidth-1 : 0, Qt::Vertical==bar->orientation() ? 0 : a->height()-sbarWidth-1));
|
|
int toXPos=global.x();
|
|
int toYPos=global.y();
|
|
|
|
if (Qt::Vertical==bar->orientation()) {
|
|
int thumbSize = sbarThumb->height();
|
|
toYPos = a->mapToGlobal(he->pos()).y() - sbarThumb->height() / 2;
|
|
int minYPos = global.y();
|
|
int maxYPos = global.y() + a->height() - thumbSize;
|
|
|
|
sbarThumb->setMaximum(maxYPos);
|
|
sbarThumb->setMinimum(minYPos);
|
|
|
|
if (toYPos < minYPos) {
|
|
toYPos = minYPos;
|
|
}
|
|
if (toYPos > maxYPos) {
|
|
toYPos = maxYPos;
|
|
}
|
|
if (QApplication::desktop() && toXPos+sbarThumb->width()>QApplication::desktop()->width()) {
|
|
toXPos=global.x()-(sbarThumb->width()-sbarWidth);
|
|
}
|
|
} else {
|
|
int thumbSize = sbarThumb->height();
|
|
toXPos = a->mapToGlobal(he->pos()).x() - sbarThumb->width() / 2;
|
|
int minXPos = global.x();
|
|
int maxXPos = global.x() + a->width() - thumbSize;
|
|
|
|
sbarThumb->setMaximum(maxXPos);
|
|
sbarThumb->setMinimum(minXPos);
|
|
|
|
if (toXPos < minXPos) {
|
|
toXPos = minXPos;
|
|
}
|
|
if (toXPos > maxXPos) {
|
|
toXPos = maxXPos;
|
|
}
|
|
|
|
if (QApplication::desktop() && toYPos+sbarThumb->height()>QApplication::desktop()->height()) {
|
|
toYPos=global.y()-(sbarThumb->height()-sbarWidth);
|
|
}
|
|
}
|
|
sbarThumb->move(toXPos, toYPos);
|
|
sbarThumb->show();
|
|
sbarUpdateOffset();
|
|
}
|
|
} else {
|
|
sbarThumb->hide();
|
|
}
|
|
}
|
|
break;
|
|
case QEvent::Resize:
|
|
case QEvent::Move:
|
|
if (sbarThumb && sbarThumb->isVisible() && object && qobject_cast<QAbstractScrollArea *>(object)) {
|
|
sbarThumb->hide();
|
|
}
|
|
break;
|
|
case QEvent::WindowDeactivate:
|
|
if (sbarThumb && sbarThumb->isVisible()) {
|
|
sbarThumb->hide();
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return baseStyle()->eventFilter(object, event);
|
|
}
|
|
|
|
void GtkProxyStyle::objectDestroyed(QObject *obj)
|
|
{
|
|
if (obj==sbarThumbTarget) {
|
|
disconnect(sbarThumbTarget, SIGNAL(destroyed(QObject *)), this, SLOT(objectDestroyed(QObject *)));
|
|
sbarThumbTarget=0;
|
|
}
|
|
}
|
|
|
|
void GtkProxyStyle::sbarThumbMoved(const QPoint &point)
|
|
{
|
|
if (sbarThumbTarget) {
|
|
bool v=Qt::Vertical==sbarThumbTarget->orientation();
|
|
if (-1!=sbarLastPos && sbarLastPos==(v ? point.y() : point.x())) {
|
|
return;
|
|
}
|
|
QPoint global=point-sbarThumbTarget->mapToGlobal(QPoint(0, 0))-QPoint(1, 1);
|
|
int value=sbarThumbTarget->value();
|
|
QRect sliderThumbRect=sbarGetSliderRect();
|
|
QRect osThumbRect=QRect(sbarThumb->x(), sbarThumb->y(), sbarThumb->width(), sbarThumb->height());
|
|
int adjust=osThumbRect.contains(sliderThumbRect) ? 0 : sbarOffset;
|
|
|
|
if (v) {
|
|
sbarThumbTarget->setValue(sliderValueFromPosition(sbarThumbTarget->minimum(), sbarThumbTarget->maximum(), global.y() -adjust,
|
|
sbarThumbTarget->height() - sbarThumb->height()));
|
|
sbarLastPos=point.y();
|
|
} else {
|
|
sbarThumbTarget->setValue(sliderValueFromPosition(sbarThumbTarget->minimum(), sbarThumbTarget->maximum(), global.x() -adjust,
|
|
sbarThumbTarget->width() - sbarThumb->width()));
|
|
sbarLastPos=point.x();
|
|
}
|
|
if (value==sbarThumbTarget->value()) {
|
|
sbarThumbTarget->update();
|
|
}
|
|
}
|
|
}
|
|
|
|
void GtkProxyStyle::sbarPageUp()
|
|
{
|
|
if (sbarThumbTarget) {
|
|
sbarThumbTarget->setValue(sbarThumbTarget->value() - sbarThumbTarget->pageStep());
|
|
|
|
if (sbarThumbTarget->value() < sbarThumbTarget->minimum()) {
|
|
sbarThumbTarget->setValue(sbarThumbTarget->minimum());
|
|
}
|
|
sbarUpdateOffset();
|
|
}
|
|
}
|
|
|
|
void GtkProxyStyle::sbarPageDown()
|
|
{
|
|
if (sbarThumbTarget) {
|
|
sbarThumbTarget->setValue(sbarThumbTarget->value() + sbarThumbTarget->pageStep());
|
|
|
|
if (sbarThumbTarget->value() > sbarThumbTarget->maximum()) {
|
|
sbarThumbTarget->setValue(sbarThumbTarget->maximum());
|
|
}
|
|
sbarUpdateOffset();
|
|
}
|
|
}
|
|
|
|
void GtkProxyStyle::sbarThumbHiding()
|
|
{
|
|
if (sbarThumbTarget) {
|
|
sbarThumbTarget->update();
|
|
}
|
|
sbarLastPos=-1;
|
|
}
|
|
|
|
void GtkProxyStyle::sbarThumbShowing()
|
|
{
|
|
if (sbarThumbTarget) {
|
|
sbarThumbTarget->update();
|
|
}
|
|
}
|
|
|
|
QRect GtkProxyStyle::sbarGetSliderRect() const
|
|
{
|
|
QStyleOptionSlider opt;
|
|
opt.initFrom(sbarThumbTarget);
|
|
opt.subControls = QStyle::SC_None;
|
|
opt.activeSubControls = QStyle::SC_None;
|
|
opt.orientation = sbarThumbTarget->orientation();
|
|
opt.minimum = sbarThumbTarget->minimum();
|
|
opt.maximum = sbarThumbTarget->maximum();
|
|
opt.sliderPosition = sbarThumbTarget->sliderPosition();
|
|
opt.sliderValue = sbarThumbTarget->value();
|
|
opt.singleStep = sbarThumbTarget->singleStep();
|
|
opt.pageStep = sbarThumbTarget->pageStep();
|
|
opt.upsideDown = sbarThumbTarget->invertedAppearance();
|
|
if (Qt::Horizontal==sbarThumbTarget->orientation()) {
|
|
opt.state |= QStyle::State_Horizontal;
|
|
}
|
|
|
|
QRect slider=subControlRect(CC_ScrollBar, &opt, SC_ScrollBarSlider, sbarThumbTarget);
|
|
QPoint gpos=sbarThumbTarget->mapToGlobal(slider.topLeft())-QPoint(1, 1);
|
|
return QRect(gpos.x(), gpos.y(), slider.width(), slider.height());
|
|
}
|
|
|
|
void GtkProxyStyle::sbarUpdateOffset()
|
|
{
|
|
QRect sr=sbarGetSliderRect();
|
|
|
|
if (Qt::Vertical==sbarThumbTarget->orientation()) {
|
|
sbarOffset=sbarThumb->pos().y()-sr.y();
|
|
} else {
|
|
sbarOffset=sbarThumb->pos().x()-sr.x();
|
|
}
|
|
}
|
|
|
|
bool GtkProxyStyle::usePlainScrollbars(const QWidget *widget) const
|
|
{
|
|
return SB_Thin==sbarType || !widget || 0==qstrcmp(widget->metaObject()->className(), "QWebView") ||
|
|
(widget && widget->parentWidget() && widget->parentWidget()->parentWidget() &&
|
|
0==qstrcmp(widget->parentWidget()->parentWidget()->metaObject()->className(), "QComboBoxListView"));
|
|
}
|
|
#endif
|