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Description: Fix various memory leaks
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This commit contains three patches that was done in one upstream pull request
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but the commits weren't squashed. The commit descriptions are as follows:
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- mainmenu: Fix possible leaks in menu-cache usage
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- mount: Fix leak by correctly assigning the QObject parent
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- taskbar: Avoid conditionals on uninitialized values by proper initialization
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of data members
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Author: Palo Kisa <palo.kisa@gmail.com>
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Origin: backport
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Bug: https://github.com/lxde/lxqt/issues/1415
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Applied-Upstream: commit:04630d4, commit:d1bd23f, commit:1cb5778
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Last-Update: 2018-02-05
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--- a/plugin-mainmenu/xdgcachedmenu.cpp
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+++ b/plugin-mainmenu/xdgcachedmenu.cpp
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@@ -33,6 +33,7 @@
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#include <QHelpEvent>
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#include <QMimeData>
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#include <QDebug>
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+#include <memory>
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XdgCachedMenuAction::XdgCachedMenuAction(MenuCacheItem* item, QObject* parent):
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QAction{parent}
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@@ -92,7 +93,10 @@ void XdgCachedMenu::addMenuItems(QMenu*
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GSList* list = menu_cache_dir_list_children(dir);
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for(GSList * l = list; l; l = l->next)
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{
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- MenuCacheItem* item = (MenuCacheItem*)l->data;
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+ // Note: C++14 is needed for usage of the std::make_unique
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+ //auto guard = std::make_unique(static_cast<MenuCacheItem *>(l->data), menu_cache_item_unref);
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+ std::unique_ptr<MenuCacheItem, gboolean (*)(MenuCacheItem* item)> guard{static_cast<MenuCacheItem *>(l->data), menu_cache_item_unref};
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+ MenuCacheItem* item = guard.get();
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MenuCacheType type = menu_cache_item_get_type(item);
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if(type == MENU_CACHE_TYPE_SEP)
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@@ -123,7 +127,6 @@ void XdgCachedMenu::addMenuItems(QMenu*
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addMenuItems(submenu, MENU_CACHE_DIR(item));
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}
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}
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- menu_cache_item_unref(item);
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}
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if (list)
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g_slist_free(list);
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--- a/plugin-mount/actions/deviceaction.cpp
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+++ b/plugin-mount/actions/deviceaction.cpp
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@@ -42,8 +42,9 @@
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#define ACT_INFO_UPPER QString(ACT_INFO).toUpper()
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#define ACT_MENU_UPPER QString(ACT_MENU).toUpper()
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-DeviceAction::DeviceAction(LXQtMountPlugin *plugin, QObject *parent):
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- mPlugin(plugin)
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+DeviceAction::DeviceAction(LXQtMountPlugin *plugin, QObject *parent)
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+ : QObject(parent)
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+ , mPlugin(plugin)
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{
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}
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--- a/plugin-mount/lxqtmountplugin.cpp
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+++ b/plugin-mount/lxqtmountplugin.cpp
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@@ -74,7 +74,7 @@ void LXQtMountPlugin::settingsChanged()
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if (mDeviceAction == nullptr || mDeviceAction->Type() != actionId)
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{
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delete mDeviceAction;
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- mDeviceAction = DeviceAction::create(actionId, this);
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+ mDeviceAction = DeviceAction::create(actionId, this, this);
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connect(mPopup, &Popup::deviceAdded, mDeviceAction, &DeviceAction::onDeviceAdded);
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connect(mPopup, &Popup::deviceRemoved, mDeviceAction, &DeviceAction::onDeviceRemoved);
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--- a/plugin-taskbar/lxqttaskbar.cpp
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+++ b/plugin-taskbar/lxqttaskbar.cpp
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@@ -58,6 +58,8 @@ LXQtTaskBar::LXQtTaskBar(ILXQtPanelPlugi
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QFrame(parent),
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mSignalMapper(new QSignalMapper(this)),
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mButtonStyle(Qt::ToolButtonTextBesideIcon),
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+ mButtonWidth(400),
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+ mButtonHeight(100),
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mCloseOnMiddleClick(true),
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mRaiseOnCurrentDesktop(true),
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mShowOnlyOneDesktopTasks(false),
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@@ -65,6 +67,7 @@ LXQtTaskBar::LXQtTaskBar(ILXQtPanelPlugi
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mShowOnlyCurrentScreenTasks(false),
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mShowOnlyMinimizedTasks(false),
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mAutoRotate(true),
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+ mGroupingEnabled(true),
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mShowGroupOnHover(true),
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mIconByClass(false),
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mCycleOnWheelScroll(true),
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