Port away from deprecated QLayout::setMargin

See https://doc.qt.io/qt-5/qlayout-obsolete.html

ktorrent/groups/groupswitcher.cpp

@@ -37,7 +37,7 @@ GroupSwitcher::GroupSwitcher(View *view, GroupManager *gman, QWidget *parent)
     layout->addWidget(edit_group_policy);
     layout->addWidget(tool_bar);
     layout->addWidget(close_tab);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
 
     new_tab->setIcon(QIcon::fromTheme(QStringLiteral("list-add")));
     new_tab->setToolButtonStyle(Qt::ToolButtonIconOnly);

ktorrent/tools/magnetview.cpp

@@ -29,7 +29,7 @@ MagnetView::MagnetView(MagnetManager *magnetManager, QWidget *parent)
     model = new MagnetModel(magnetManager, this);
 
     QHBoxLayout *layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
 
     // magnets view

ktorrent/tools/queuemanagerwidget.cpp

@@ -30,10 +30,10 @@ QueueManagerWidget::QueueManagerWidget(QueueManager *qman, QWidget *parent)
     , qman(qman)
 {
     QHBoxLayout *layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
     QVBoxLayout *vbox = new QVBoxLayout();
-    vbox->setMargin(0);
+    vbox->setContentsMargins(0, 0, 0, 0);
     vbox->setSpacing(0);
     view = new QTreeView(this);
     view->setUniformRowHeights(true);

ktorrent/torrentactivity.cpp

@@ -46,7 +46,7 @@ TorrentActivity::TorrentActivity(Core *core, GUI *gui, QWidget *parent)
 
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     vsplit = new QSplitter(Qt::Vertical, this);
     layout->addWidget(vsplit);
     hsplit = new QSplitter(Qt::Horizontal, vsplit);
@@ -56,7 +56,7 @@ TorrentActivity::TorrentActivity(Core *core, GUI *gui, QWidget *parent)
 
     QVBoxLayout *vlayout = new QVBoxLayout(view_part);
     vlayout->setSpacing(0);
-    vlayout->setMargin(0);
+    vlayout->setContentsMargins(0, 0, 0, 0);
     vlayout->addWidget(group_switcher);
     vlayout->addWidget(search_bar);
     vlayout->addWidget(view);

ktorrent/view/torrentsearchbar.cpp

@@ -21,7 +21,7 @@ TorrentSearchBar::TorrentSearchBar(View *view, QWidget *parent)
 {
     QHBoxLayout *layout = new QHBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
 
     hide_search_bar = new QToolButton(this);
     hide_search_bar->setIcon(QIcon::fromTheme(QStringLiteral("window-close")));

libktcore/gui/tabbarwidget.cpp

@@ -58,7 +58,7 @@ TabBarWidget::TabBarWidget(QSplitter *splitter, QWidget *parent)
 {
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     tab_bar = new KToolBar(this);
     tab_bar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
     connect(tab_bar, &QToolBar::toolButtonStyleChanged, this, &TabBarWidget::toolButtonStyleChanged);

libktcore/plugin/pluginactivity.cpp

@@ -25,7 +25,7 @@ PluginActivity::PluginActivity(PluginManager *pman)
     , pman(pman)
 {
     QVBoxLayout *layout = new QVBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     pmw = new KPluginWidget(this);
     connect(pmw, &KPluginWidget::changed, this, &PluginActivity::update);
     connect(pmw, &KPluginWidget::pluginConfigSaved, this, &PluginActivity::update);

plugins/bwscheduler/scheduleeditor.cpp

@@ -31,7 +31,7 @@ ScheduleEditor::ScheduleEditor(QWidget *parent)
     QVBoxLayout *layout = new QVBoxLayout(this);
     view = new WeekView(this);
     layout->addWidget(view);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
 
     setupActions();

plugins/infowidget/fileview.cpp

@@ -48,10 +48,10 @@ FileView::FileView(QWidget *parent)
     , header_state_loaded(false)
 {
     QHBoxLayout *layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
     QVBoxLayout *vbox = new QVBoxLayout();
-    vbox->setMargin(0);
+    vbox->setContentsMargins(0, 0, 0, 0);
     vbox->setSpacing(0);
     view = new QTreeView(this);
     toolbar = new QToolBar(this);

plugins/logviewer/logviewer.cpp

@@ -29,7 +29,7 @@ LogViewer::LogViewer(LogFlags *flags, QWidget *parent)
     setToolTip(i18n("View the logging output generated by KTorrent"));
     QVBoxLayout *layout = new QVBoxLayout(this);
     output = new QTextBrowser(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
     layout->addWidget(output);
     output->document()->setMaximumBlockCount(max_block_count);

plugins/mediaplayer/mediaplayeractivity.cpp

@@ -48,7 +48,7 @@ MediaPlayerActivity::MediaPlayerActivity(CoreInterface *core, KActionCollection
     media_player = new MediaPlayer(this);
 
     QHBoxLayout *layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     tabs = new QTabWidget(this);
     layout->addWidget(tabs);
 

plugins/mediaplayer/mediaview.cpp

@@ -72,11 +72,11 @@ MediaView::MediaView(MediaModel *model, QWidget *parent)
 
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
 
     QHBoxLayout *hbox = new QHBoxLayout();
     hbox->setSpacing(0);
-    hbox->setMargin(0);
+    hbox->setContentsMargins(0, 0, 0, 0);
 
     tool_bar = new KToolBar(this);
     hbox->addWidget(tool_bar);

plugins/mediaplayer/playlistwidget.cpp

@@ -31,7 +31,7 @@ PlayListWidget::PlayListWidget(kt::MediaFileCollection *collection, kt::MediaPla
     , collection(collection)
 {
     QVBoxLayout *layout = new QVBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
 
     QAction *remove_action = new QAction(QIcon::fromTheme(QStringLiteral("list-remove")), i18n("Remove"), this);

plugins/mediaplayer/videowidget.cpp

@@ -44,7 +44,7 @@ VideoWidget::VideoWidget(MediaPlayer *player, KActionCollection *ac, QWidget *pa
     , powermanagement_cookie(0)
 {
     QVBoxLayout *vlayout = new QVBoxLayout(this);
-    vlayout->setMargin(0);
+    vlayout->setContentsMargins(0, 0, 0, 0);
     vlayout->setSpacing(0);
 
     video = new Phonon::VideoWidget(this);

plugins/search/searchactivity.cpp

@@ -43,7 +43,7 @@ SearchActivity::SearchActivity(SearchPlugin *sp, QWidget *parent)
 
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     tabs = new QTabWidget(this);
     tabs->setMovable(true);
     layout->addWidget(tabs);

plugins/search/searchwidget.cpp

@@ -47,7 +47,7 @@ SearchWidget::SearchWidget(SearchPlugin *sp)
 {
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     webview = new WebView(this, sp->getProxy());
 
     KActionCollection *ac = sp->getSearchActivity()->part()->actionCollection();

plugins/syndication/syndicationtab.cpp

@@ -25,14 +25,14 @@ SyndicationTab::SyndicationTab(KActionCollection *ac, FeedList *feeds, FilterLis
 {
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     splitter = new QSplitter(Qt::Vertical, this);
     layout->addWidget(splitter);
 
     QWidget *widget = new QWidget(splitter);
     layout = new QVBoxLayout(widget);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
 
     feed_tool_bar = new KToolBar(widget);
     feed_tool_bar->setToolButtonStyle(Qt::ToolButtonIconOnly);
@@ -49,7 +49,7 @@ SyndicationTab::SyndicationTab(KActionCollection *ac, FeedList *feeds, FilterLis
     widget = new QWidget(splitter);
     layout = new QVBoxLayout(widget);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
 
     filter_tool_bar = new KToolBar(widget);
     filter_tool_bar->setToolButtonStyle(Qt::ToolButtonIconOnly);