RTL support for custom widgets

Change-Id: I34038f047c002a1ec1276f8c523db0e1c4d29065
Reviewed-on: https://gerrit.libreoffice.org/55100
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 54444d801c5c..d13cb73df419 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -1689,6 +1689,8 @@ public:
         {
             GdkRectangle aRect{static_cast<int>(rRect.Left()), static_cast<int>(rRect.Top()),
                                static_cast<int>(rRect.GetWidth()), static_cast<int>(rRect.GetHeight())};
+            if (AllSettings::GetLayoutRTL())
+                aRect.x = gtk_widget_get_allocated_width(pWidget) - aRect.width - 1 - aRect.x;
             gtk_menu_popup_at_rect(m_pMenu, gtk_widget_get_window(pWidget), &aRect, GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_NORTH_WEST, nullptr);
         }
         else
@@ -3741,7 +3743,7 @@ private:
     {
         m_aStyleUpdatedHdl.Call(*this);
     }
-    static gboolean signalQueryTooltip(GtkWidget*, gint x, gint y,
+    static gboolean signalQueryTooltip(GtkWidget* pGtkWidget, gint x, gint y,
                                          gboolean /*keyboard_mode*/, GtkTooltip *tooltip,
                                          gpointer widget)
     {
@@ -3756,6 +3758,8 @@ private:
         aGdkHelpArea.y = aHelpArea.Top();
         aGdkHelpArea.width = aHelpArea.GetWidth();
         aGdkHelpArea.height = aHelpArea.GetHeight();
+        if (AllSettings::GetLayoutRTL())
+            aGdkHelpArea.x = gtk_widget_get_allocated_width(pGtkWidget) - aGdkHelpArea.width - 1 - aGdkHelpArea.x;
         gtk_tooltip_set_tip_area(tooltip, &aGdkHelpArea);
         return true;
     }
@@ -3816,6 +3820,8 @@ private:
         }
 
         Point aPos(pEvent->x, pEvent->y);
+        if (AllSettings::GetLayoutRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
         sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(pEvent->state);
         sal_uInt16 nCode = m_nLastMouseButton | (nModCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2));
         MouseEvent aMEvt(aPos, nClicks, ImplGetMouseButtonMode(m_nLastMouseButton, nModCode), nCode, nCode);
@@ -3836,6 +3842,8 @@ private:
     bool signal_motion(GdkEventMotion* pEvent)
     {
         Point aPos(pEvent->x, pEvent->y);
+        if (AllSettings::GetLayoutRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
         sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(pEvent->state);
         sal_uInt16 nCode = m_nLastMouseButton | (nModCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2));
         MouseEvent aMEvt(aPos, 0, ImplGetMouseMoveMode(nModCode), nCode, nCode);
@@ -3890,6 +3898,7 @@ public:
     {
         gtk_widget_set_has_tooltip(m_pWidget, true);
         g_object_set_data(G_OBJECT(m_pDrawingArea), "g-lo-GtkInstanceDrawingArea", this);
+        m_xDevice->EnableRTL(get_direction());
     }
 
     AtkObject* GetAtkObject(AtkObject* pDefaultAccessible)
@@ -3903,6 +3912,12 @@ public:
         return m_pAccessible;
     }
 
+    virtual void set_direction(bool bRTL) override
+    {
+        GtkInstanceWidget::set_direction(bRTL);
+        m_xDevice->EnableRTL(bRTL);
+    }
+
     virtual void queue_draw() override
     {
         gtk_widget_queue_draw(GTK_WIDGET(m_pDrawingArea));