Implement QPA menu for GTK+ 3.x
QGtk3Menu provides native stand-alone context menus, which is not covered by the recently introduced QDBusPlatformMenu (limited to global menubars and system trays). Change-Id: Ida42ebaf69444e6b3150dc0ccf9b44e80cf71c20 Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>bb10
J-P Nurmi
parent
e5ddc9b32a
commit
ac8a1787eb
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@ -13,9 +13,11 @@ LIBS += $$QMAKE_LIBS_GTK3
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HEADERS += \
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qgtk3dialoghelpers.h \
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qgtk3menu.h \
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qgtk3theme.h
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SOURCES += \
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main.cpp \
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qgtk3dialoghelpers.cpp \
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qgtk3menu.cpp \
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qgtk3theme.cpp
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@ -0,0 +1,489 @@
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgtk3menu.h"
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#include <QtGui/qwindow.h>
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#include <QtGui/qpa/qplatformtheme.h>
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#undef signals
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#include <gtk/gtk.h>
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QT_BEGIN_NAMESPACE
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static guint qt_gdkKey(const QKeySequence &shortcut)
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{
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if (shortcut.isEmpty())
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return 0;
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// TODO: proper mapping
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Qt::KeyboardModifiers mods = Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier;
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return (shortcut[0] ^ mods) & shortcut[0];
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}
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static GdkModifierType qt_gdkModifiers(const QKeySequence &shortcut)
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{
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if (shortcut.isEmpty())
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return GdkModifierType(0);
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guint mods = 0;
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int m = shortcut[0];
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if (m & Qt::ShiftModifier)
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mods |= GDK_SHIFT_MASK;
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if (m & Qt::ControlModifier)
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mods |= GDK_CONTROL_MASK;
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if (m & Qt::AltModifier)
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mods |= GDK_MOD1_MASK;
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if (m & Qt::MetaModifier)
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mods |= GDK_META_MASK;
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return static_cast<GdkModifierType>(mods);
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}
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QGtk3MenuItem::QGtk3MenuItem()
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: m_visible(true),
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m_separator(false),
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m_checkable(false),
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m_checked(false),
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m_enabled(true),
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m_underline(false),
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m_invalid(true),
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m_tag(reinterpret_cast<quintptr>(this)),
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m_menu(nullptr),
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m_item(nullptr)
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{
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}
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QGtk3MenuItem::~QGtk3MenuItem()
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{
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}
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bool QGtk3MenuItem::isInvalid() const
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{
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return m_invalid;
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}
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GtkWidget *QGtk3MenuItem::create()
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{
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if (m_invalid) {
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if (m_item) {
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gtk_widget_destroy(m_item);
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m_item = nullptr;
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}
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m_invalid = false;
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}
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if (!m_item) {
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if (m_separator) {
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m_item = gtk_separator_menu_item_new();
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} else {
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if (m_checkable) {
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m_item = gtk_check_menu_item_new();
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gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(m_item), m_checked);
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g_signal_connect(m_item, "toggled", G_CALLBACK(onToggle), this);
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} else {
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m_item = gtk_menu_item_new();
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g_signal_connect(m_item, "activate", G_CALLBACK(onActivate), this);
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}
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gtk_menu_item_set_label(GTK_MENU_ITEM(m_item), m_text.toUtf8());
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gtk_menu_item_set_use_underline(GTK_MENU_ITEM(m_item), m_underline);
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if (m_menu)
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gtk_menu_item_set_submenu(GTK_MENU_ITEM(m_item), m_menu->handle());
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g_signal_connect(m_item, "select", G_CALLBACK(onSelect), this);
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if (!m_shortcut.isEmpty()) {
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GtkWidget *label = gtk_bin_get_child(GTK_BIN(m_item));
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gtk_accel_label_set_accel(GTK_ACCEL_LABEL(label), qt_gdkKey(m_shortcut), qt_gdkModifiers(m_shortcut));
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}
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}
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gtk_widget_set_sensitive(m_item, m_enabled);
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gtk_widget_set_visible(m_item, m_visible);
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if (GTK_IS_CHECK_MENU_ITEM(m_item))
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g_object_set(m_item, "draw-as-radio", m_exclusive, NULL);
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}
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return m_item;
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}
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GtkWidget *QGtk3MenuItem::handle() const
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{
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return m_item;
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}
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quintptr QGtk3MenuItem::tag() const
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{
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return m_tag;
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}
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void QGtk3MenuItem::setTag(quintptr tag)
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{
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m_tag = tag;
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}
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QString QGtk3MenuItem::text() const
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{
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return m_text;
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}
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static QString convertMnemonics(QString text, bool *found)
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{
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*found = false;
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int i = text.length() - 1;
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while (i >= 0) {
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const QChar c = text.at(i);
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if (c == QLatin1Char('&')) {
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if (i == 0 || text.at(i - 1) != QLatin1Char('&')) {
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// convert Qt to GTK mnemonic
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if (i < text.length() - 1 && !text.at(i + 1).isSpace()) {
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text.replace(i, 1, QLatin1Char('_'));
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*found = true;
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}
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} else if (text.at(i - 1) == QLatin1Char('&')) {
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// unescape ampersand
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text.replace(--i, 2, QLatin1Char('&'));
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}
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} else if (c == QLatin1Char('_')) {
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// escape GTK mnemonic
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text.insert(i, QLatin1Char('_'));
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}
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--i;
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}
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return text;
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}
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void QGtk3MenuItem::setText(const QString &text)
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{
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m_text = convertMnemonics(text, &m_underline);
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if (GTK_IS_MENU_ITEM(m_item)) {
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gtk_menu_item_set_label(GTK_MENU_ITEM(m_item), m_text.toUtf8());
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gtk_menu_item_set_use_underline(GTK_MENU_ITEM(m_item), m_underline);
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}
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}
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QGtk3Menu *QGtk3MenuItem::menu() const
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{
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return m_menu;
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}
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void QGtk3MenuItem::setMenu(QPlatformMenu *menu)
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{
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m_menu = qobject_cast<QGtk3Menu *>(menu);
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if (GTK_IS_MENU_ITEM(m_item))
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gtk_menu_item_set_submenu(GTK_MENU_ITEM(m_item), m_menu ? m_menu->handle() : NULL);
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}
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bool QGtk3MenuItem::isVisible() const
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{
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return m_visible;
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}
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void QGtk3MenuItem::setVisible(bool visible)
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{
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if (m_visible == visible)
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return;
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m_visible = visible;
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if (GTK_IS_MENU_ITEM(m_item))
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gtk_widget_set_visible(m_item, visible);
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}
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bool QGtk3MenuItem::isSeparator() const
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{
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return m_separator;
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}
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void QGtk3MenuItem::setIsSeparator(bool separator)
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{
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if (m_separator == separator)
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return;
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m_invalid = true;
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m_separator = separator;
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}
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bool QGtk3MenuItem::isCheckable() const
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{
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return m_checkable;
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}
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void QGtk3MenuItem::setCheckable(bool checkable)
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{
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if (m_checkable == checkable)
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return;
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m_invalid = true;
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m_checkable = checkable;
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}
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bool QGtk3MenuItem::isChecked() const
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{
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return m_checked;
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}
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void QGtk3MenuItem::setChecked(bool checked)
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{
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if (m_checked == checked)
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return;
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m_checked = checked;
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if (GTK_IS_CHECK_MENU_ITEM(m_item))
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gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(m_item), checked);
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}
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QKeySequence QGtk3MenuItem::shortcut() const
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{
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return m_shortcut;
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}
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void QGtk3MenuItem::setShortcut(const QKeySequence& shortcut)
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{
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if (m_shortcut == shortcut)
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return;
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m_shortcut = shortcut;
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if (GTK_IS_MENU_ITEM(m_item)) {
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GtkWidget *label = gtk_bin_get_child(GTK_BIN(m_item));
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gtk_accel_label_set_accel(GTK_ACCEL_LABEL(label), qt_gdkKey(m_shortcut), qt_gdkModifiers(m_shortcut));
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}
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}
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bool QGtk3MenuItem::isEnabled() const
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{
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return m_enabled;
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}
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void QGtk3MenuItem::setEnabled(bool enabled)
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{
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if (m_enabled == enabled)
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return;
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m_enabled = enabled;
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if (m_item)
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gtk_widget_set_sensitive(m_item, enabled);
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}
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bool QGtk3MenuItem::hasExclusiveGroup() const
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{
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return m_exclusive;
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}
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void QGtk3MenuItem::setHasExclusiveGroup(bool exclusive)
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{
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if (m_exclusive == exclusive)
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return;
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m_exclusive = exclusive;
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if (GTK_IS_CHECK_MENU_ITEM(m_item))
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g_object_set(m_item, "draw-as-radio", exclusive, NULL);
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}
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void QGtk3MenuItem::onSelect(GtkMenuItem *, void *data)
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{
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QGtk3MenuItem *item = static_cast<QGtk3MenuItem *>(data);
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if (item)
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emit item->hovered();
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}
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void QGtk3MenuItem::onActivate(GtkMenuItem *, void *data)
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{
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QGtk3MenuItem *item = static_cast<QGtk3MenuItem *>(data);
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if (item)
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emit item->activated();
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}
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void QGtk3MenuItem::onToggle(GtkCheckMenuItem *check, void *data)
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{
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QGtk3MenuItem *item = static_cast<QGtk3MenuItem *>(data);
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if (item) {
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bool active = gtk_check_menu_item_get_active(check);
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if (active != item->isChecked()) {
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item->setChecked(active);
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emit item->activated();
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}
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}
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}
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QGtk3Menu::QGtk3Menu()
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: m_tag(reinterpret_cast<quintptr>(this))
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{
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m_menu = gtk_menu_new();
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g_signal_connect(m_menu, "show", G_CALLBACK(onShow), this);
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g_signal_connect(m_menu, "hide", G_CALLBACK(onHide), this);
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}
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QGtk3Menu::~QGtk3Menu()
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{
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if (GTK_IS_WIDGET(m_menu))
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gtk_widget_destroy(m_menu);
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}
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GtkWidget *QGtk3Menu::handle() const
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{
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return m_menu;
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}
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void QGtk3Menu::insertMenuItem(QPlatformMenuItem *item, QPlatformMenuItem *before)
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{
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QGtk3MenuItem *gitem = static_cast<QGtk3MenuItem *>(item);
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if (!gitem || m_items.contains(gitem))
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return;
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GtkWidget *handle = gitem->create();
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int index = m_items.indexOf(static_cast<QGtk3MenuItem *>(before));
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if (index < 0)
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index = m_items.count();
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m_items.insert(index, gitem);
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gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), handle, index);
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}
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void QGtk3Menu::removeMenuItem(QPlatformMenuItem *item)
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{
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QGtk3MenuItem *gitem = static_cast<QGtk3MenuItem *>(item);
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if (!gitem && !m_items.removeOne(gitem))
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return;
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GtkWidget *handle = gitem->handle();
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if (handle)
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gtk_container_remove(GTK_CONTAINER(m_menu), handle);
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}
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void QGtk3Menu::syncMenuItem(QPlatformMenuItem *item)
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{
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QGtk3MenuItem *gitem = static_cast<QGtk3MenuItem *>(item);
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int index = m_items.indexOf(gitem);
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if (index == -1 || !gitem->isInvalid())
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return;
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GtkWidget *handle = gitem->create();
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if (handle)
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gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), handle, index);
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}
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void QGtk3Menu::syncSeparatorsCollapsible(bool enable)
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{
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Q_UNUSED(enable);
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}
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quintptr QGtk3Menu::tag() const
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{
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return m_tag;
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}
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void QGtk3Menu::setTag(quintptr tag)
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{
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m_tag = tag;
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}
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void QGtk3Menu::setEnabled(bool enabled)
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{
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gtk_widget_set_sensitive(m_menu, enabled);
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}
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void QGtk3Menu::setVisible(bool visible)
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{
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gtk_widget_set_visible(m_menu, visible);
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}
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static void qt_gtk_menu_position_func(GtkMenu *, gint *x, gint *y, gboolean *push_in, gpointer data)
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{
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QGtk3Menu *menu = static_cast<QGtk3Menu *>(data);
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QPoint targetPos = menu->targetPos();
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*x = targetPos.x();
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*y = targetPos.y();
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*push_in = true;
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}
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QPoint QGtk3Menu::targetPos() const
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{
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return m_targetPos;
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}
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void QGtk3Menu::showPopup(const QWindow *parentWindow, const QRect &targetRect, const QPlatformMenuItem *item)
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{
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int index = m_items.indexOf(static_cast<QGtk3MenuItem *>(const_cast<QPlatformMenuItem *>(item)));
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if (index != -1)
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gtk_menu_set_active(GTK_MENU(m_menu), index);
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m_targetPos = targetRect.bottomLeft();
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if (parentWindow)
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m_targetPos = parentWindow->mapToGlobal(m_targetPos);
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gtk_menu_popup(GTK_MENU(m_menu), NULL, NULL, qt_gtk_menu_position_func, this, 0, gtk_get_current_event_time());
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}
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void QGtk3Menu::dismiss()
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{
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gtk_menu_popdown(GTK_MENU(m_menu));
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}
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QPlatformMenuItem *QGtk3Menu::menuItemAt(int position) const
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{
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return m_items.value(position);
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}
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QPlatformMenuItem *QGtk3Menu::menuItemForTag(quintptr tag) const
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{
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for (QGtk3MenuItem *item : m_items) {
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if (item->tag() == tag)
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return item;
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}
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return nullptr;
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}
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QPlatformMenuItem *QGtk3Menu::createMenuItem() const
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{
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return new QGtk3MenuItem;
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}
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QPlatformMenu *QGtk3Menu::createSubMenu() const
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{
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return new QGtk3Menu;
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}
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void QGtk3Menu::onShow(GtkWidget *, void *data)
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{
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QGtk3Menu *menu = static_cast<QGtk3Menu *>(data);
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if (menu)
|
||||
emit menu->aboutToShow();
|
||||
}
|
||||
|
||||
void QGtk3Menu::onHide(GtkWidget *, void *data)
|
||||
{
|
||||
QGtk3Menu *menu = static_cast<QGtk3Menu *>(data);
|
||||
if (menu)
|
||||
emit menu->aboutToHide();
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
|
@ -0,0 +1,162 @@
|
|||
/****************************************************************************
|
||||
**
|
||||
** Copyright (C) 2016 The Qt Company Ltd.
|
||||
** Contact: http://www.qt.io/licensing/
|
||||
**
|
||||
** This file is part of the plugins of the Qt Toolkit.
|
||||
**
|
||||
** $QT_BEGIN_LICENSE:LGPL21$
|
||||
** Commercial License Usage
|
||||
** Licensees holding valid commercial Qt licenses may use this file in
|
||||
** accordance with the commercial license agreement provided with the
|
||||
** Software or, alternatively, in accordance with the terms contained in
|
||||
** a written agreement between you and The Qt Company. For licensing terms
|
||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
||||
** information use the contact form at http://www.qt.io/contact-us.
|
||||
**
|
||||
** GNU Lesser General Public License Usage
|
||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
||||
** General Public License version 2.1 or version 3 as published by the Free
|
||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
||||
** following information to ensure the GNU Lesser General Public License
|
||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
||||
**
|
||||
** As a special exception, The Qt Company gives you certain additional
|
||||
** rights. These rights are described in The Qt Company LGPL Exception
|
||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||||
**
|
||||
** $QT_END_LICENSE$
|
||||
**
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef QGTK3MENU_H
|
||||
#define QGTK3MENU_H
|
||||
|
||||
#include <QtGui/qpa/qplatformmenu.h>
|
||||
|
||||
typedef struct _GtkWidget GtkWidget;
|
||||
typedef struct _GtkMenuItem GtkMenuItem;
|
||||
typedef struct _GtkCheckMenuItem GtkCheckMenuItem;
|
||||
|
||||
QT_BEGIN_NAMESPACE
|
||||
|
||||
class QGtk3Menu;
|
||||
|
||||
class QGtk3MenuItem: public QPlatformMenuItem
|
||||
{
|
||||
public:
|
||||
QGtk3MenuItem();
|
||||
~QGtk3MenuItem();
|
||||
|
||||
bool isInvalid() const;
|
||||
|
||||
GtkWidget *create();
|
||||
GtkWidget *handle() const;
|
||||
|
||||
quintptr tag() const;
|
||||
void setTag(quintptr tag) override;
|
||||
|
||||
QString text() const;
|
||||
void setText(const QString &text) override;
|
||||
|
||||
QGtk3Menu *menu() const;
|
||||
void setMenu(QPlatformMenu *menu) override;
|
||||
|
||||
bool isVisible() const;
|
||||
void setVisible(bool visible) override;
|
||||
|
||||
bool isSeparator() const;
|
||||
void setIsSeparator(bool separator) override;
|
||||
|
||||
bool isCheckable() const;
|
||||
void setCheckable(bool checkable) override;
|
||||
|
||||
bool isChecked() const;
|
||||
void setChecked(bool checked) override;
|
||||
|
||||
QKeySequence shortcut() const;
|
||||
void setShortcut(const QKeySequence &shortcut) override;
|
||||
|
||||
bool isEnabled() const;
|
||||
void setEnabled(bool enabled) override;
|
||||
|
||||
bool hasExclusiveGroup() const;
|
||||
void setHasExclusiveGroup(bool exclusive) override;
|
||||
|
||||
void setRole(MenuRole role) override { Q_UNUSED(role); }
|
||||
void setFont(const QFont &font) override { Q_UNUSED(font); }
|
||||
void setIcon(const QIcon &icon) override { Q_UNUSED(icon); }
|
||||
void setIconSize(int size) override { Q_UNUSED(size); }
|
||||
|
||||
protected:
|
||||
static void onSelect(GtkMenuItem *item, void *data);
|
||||
static void onActivate(GtkMenuItem *item, void *data);
|
||||
static void onToggle(GtkCheckMenuItem *item, void *data);
|
||||
|
||||
private:
|
||||
bool m_visible;
|
||||
bool m_separator;
|
||||
bool m_checkable;
|
||||
bool m_checked;
|
||||
bool m_enabled;
|
||||
bool m_exclusive;
|
||||
bool m_underline;
|
||||
bool m_invalid;
|
||||
quintptr m_tag;
|
||||
QGtk3Menu *m_menu;
|
||||
GtkWidget *m_item;
|
||||
QString m_text;
|
||||
QKeySequence m_shortcut;
|
||||
};
|
||||
|
||||
class QGtk3Menu : public QPlatformMenu
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
QGtk3Menu();
|
||||
~QGtk3Menu();
|
||||
|
||||
GtkWidget *handle() const;
|
||||
|
||||
void insertMenuItem(QPlatformMenuItem *item, QPlatformMenuItem *before) override;
|
||||
void removeMenuItem(QPlatformMenuItem *item) override;
|
||||
void syncMenuItem(QPlatformMenuItem *item) override;
|
||||
void syncSeparatorsCollapsible(bool enable) override;
|
||||
|
||||
quintptr tag() const override;
|
||||
void setTag(quintptr tag) override;
|
||||
|
||||
void setEnabled(bool enabled) override;
|
||||
void setVisible(bool visible) override;
|
||||
|
||||
void setIcon(const QIcon &icon) override { Q_UNUSED(icon); }
|
||||
void setText(const QString &text) override { Q_UNUSED(text); }
|
||||
|
||||
QPoint targetPos() const;
|
||||
|
||||
void showPopup(const QWindow *parentWindow, const QRect &targetRect, const QPlatformMenuItem *item) override;
|
||||
void dismiss() override;
|
||||
|
||||
QPlatformMenuItem *menuItemAt(int position) const override;
|
||||
QPlatformMenuItem *menuItemForTag(quintptr tag) const override;
|
||||
|
||||
QPlatformMenuItem *createMenuItem() const override;
|
||||
QPlatformMenu *createSubMenu() const override;
|
||||
|
||||
protected:
|
||||
static void onShow(GtkWidget *menu, void *data);
|
||||
static void onHide(GtkWidget *menu, void *data);
|
||||
|
||||
private:
|
||||
quintptr m_tag;
|
||||
GtkWidget *m_menu;
|
||||
QPoint m_targetPos;
|
||||
QVector<QGtk3MenuItem *> m_items;
|
||||
};
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
#endif // QGTK3MENU_H
|
||||
|
|
@ -39,6 +39,7 @@
|
|||
|
||||
#include "qgtk3theme.h"
|
||||
#include "qgtk3dialoghelpers.h"
|
||||
#include "qgtk3menu.h"
|
||||
#include <QVariant>
|
||||
|
||||
#undef signals
|
||||
|
|
@ -142,4 +143,14 @@ QPlatformDialogHelper *QGtk3Theme::createPlatformDialogHelper(DialogType type) c
|
|||
}
|
||||
}
|
||||
|
||||
QPlatformMenu* QGtk3Theme::createPlatformMenu() const
|
||||
{
|
||||
return new QGtk3Menu;
|
||||
}
|
||||
|
||||
QPlatformMenuItem* QGtk3Theme::createPlatformMenuItem() const
|
||||
{
|
||||
return new QGtk3MenuItem;
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
|
|
|||
|
|
@ -55,6 +55,9 @@ public:
|
|||
bool usePlatformNativeDialog(DialogType type) const Q_DECL_OVERRIDE;
|
||||
QPlatformDialogHelper *createPlatformDialogHelper(DialogType type) const Q_DECL_OVERRIDE;
|
||||
|
||||
QPlatformMenu* createPlatformMenu() const Q_DECL_OVERRIDE;
|
||||
QPlatformMenuItem* createPlatformMenuItem() const Q_DECL_OVERRIDE;
|
||||
|
||||
static const char *name;
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue