tdf#139429 Convert Style previews widget to IconView

- this adds labels to easily identify the styles
- easier to work with many styles
- nice native widget in gtk3
- double click opens the style settings
- added Command callback fro iconview

Change-Id: I08743515cbd2a4e4bd592d1509e48bbe2a43b129
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110408
Tested-by: Jenkins
Reviewed-by: Szymon Kłos <szymon.klos@collabora.com>

3 files changed, 20 insertions, 0 deletions

diff --git a/vcl/inc/salvtables.hxx b/vcl/inc/salvtables.hxx
index 981293d475d7..a3941ff51e67 100644
--- a/vcl/inc/salvtables.hxx
+++ b/vcl/inc/salvtables.hxx
@@ -1719,6 +1719,7 @@ private:
     DECL_LINK(SelectHdl, SvTreeListBox*, void);
     DECL_LINK(DeSelectHdl, SvTreeListBox*, void);
     DECL_LINK(DoubleClickHdl, SvTreeListBox*, bool);
+    DECL_LINK(CommandHdl, const CommandEvent&, bool);
 
 public:
     SalInstanceIconView(::IconView* pIconView, SalInstanceBuilder* pBuilder, bool bTakeOwnership);
diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index ba13d7d1a180..a098a5acf67c 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -5104,6 +5104,7 @@ SalInstanceIconView::SalInstanceIconView(::IconView* pIconView, SalInstanceBuild
     m_xIconView->SetSelectHdl(LINK(this, SalInstanceIconView, SelectHdl));
     m_xIconView->SetDeselectHdl(LINK(this, SalInstanceIconView, DeSelectHdl));
     m_xIconView->SetDoubleClickHdl(LINK(this, SalInstanceIconView, DoubleClickHdl));
+    m_xIconView->SetPopupMenuHdl(LINK(this, SalInstanceIconView, CommandHdl));
 }
 
 void SalInstanceIconView::freeze()
@@ -5366,6 +5367,11 @@ IMPL_LINK_NOARG(SalInstanceIconView, DoubleClickHdl, SvTreeListBox*, bool)
     return !signal_item_activated();
 }
 
+IMPL_LINK(SalInstanceIconView, CommandHdl, const CommandEvent&, rEvent, bool)
+{
+    return m_aCommandHdl.Call(rEvent);
+}
+
 double SalInstanceSpinButton::toField(int nValue) const
 {
     return static_cast<double>(nValue) / Power10(get_digits());
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 529eb7881ac2..d24edef22ae9 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -12465,10 +12465,21 @@ private:
     gint m_nIdCol;
     gulong m_nSelectionChangedSignalId;
     gulong m_nItemActivatedSignalId;
+    gulong m_nPopupMenu;
     ImplSVEvent* m_pSelectionChangeEvent;
 
     DECL_LINK(async_signal_selection_changed, void*, void);
 
+    bool signal_command(const CommandEvent& rCEvt)
+    {
+        return m_aCommandHdl.Call(rCEvt);
+    }
+
+    virtual bool signal_popup_menu(const CommandEvent& rCEvt) override
+    {
+        return signal_command(rCEvt);
+    }
+
     void launch_signal_selection_changed()
     {
         //tdf#117991 selection change is sent before the focus change, and focus change
@@ -12573,6 +12584,7 @@ public:
         , m_nSelectionChangedSignalId(g_signal_connect(pIconView, "selection-changed",
                                       G_CALLBACK(signalSelectionChanged), this))
         , m_nItemActivatedSignalId(g_signal_connect(pIconView, "item-activated", G_CALLBACK(signalItemActivated), this))
+        , m_nPopupMenu(g_signal_connect(pIconView, "popup-menu", G_CALLBACK(signalPopupMenu), this))
         , m_pSelectionChangeEvent(nullptr)
     {
         m_nIdCol = m_nTextCol + 1;
@@ -12843,6 +12855,7 @@ public:
 
         g_signal_handler_disconnect(m_pIconView, m_nItemActivatedSignalId);
         g_signal_handler_disconnect(m_pIconView, m_nSelectionChangedSignalId);
+        g_signal_handler_disconnect(m_pIconView, m_nPopupMenu);
     }
 };