Fix deprecated Gtkmm symbols in preferences widget

(bzr r12178)

8 files changed, 234 insertions, 86 deletions

diff --git a/src/extension/internal/pdf-input-cairo.cpp b/src/extension/internal/pdf-input-cairo.cpp
index 0a9dd8399..d3c6c5931 100644
--- a/src/extension/internal/pdf-input-cairo.cpp
+++ b/src/extension/internal/pdf-input-cairo.cpp
@@ -108,7 +108,7 @@ PdfImportCairoDialog::PdfImportCairoDialog(PopplerDocument *doc)
 
 #if WITH_GTKMM_3_0
     _fallbackPrecisionSlider_adj = Gtk::Adjustment::create(2, 1, 256, 1, 10, 10);
-    _fallbackPrecisionSlider = Gtk::manage(new Gtk::HScale(_fallbackPrecisionSlider_adj));
+    _fallbackPrecisionSlider = Gtk::manage(new Gtk::Scale(_fallbackPrecisionSlider_adj));
 #else
     _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10));
     _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj));
diff --git a/src/extension/internal/pdf-input-cairo.h b/src/extension/internal/pdf-input-cairo.h
index 81e9a8f00..66f1e5e7e 100644
--- a/src/extension/internal/pdf-input-cairo.h
+++ b/src/extension/internal/pdf-input-cairo.h
@@ -37,6 +37,14 @@
 
 #include "../implementation/implementation.h"
 
+namespace Gtk {
+#if WITH_GTKMM_3_0
+    class Scale;
+#else
+    class HScale;
+#endif
+}
+
 namespace Inkscape {
 
 namespace UI {
@@ -85,10 +93,11 @@ private:
     class Inkscape::UI::Widget::Frame * _pageSettingsFrame;
     class Gtk::Label * _labelPrecision;
     class Gtk::Label * _labelPrecisionWarning;
-    class Gtk::HScale * _fallbackPrecisionSlider;
 #if WITH_GTKMM_3_0
+    class Gtk::Scale * _fallbackPrecisionSlider;
     Glib::RefPtr<Gtk::Adjustment> _fallbackPrecisionSlider_adj;
 #else
+    class Gtk::HScale * _fallbackPrecisionSlider;
     class Gtk::Adjustment *_fallbackPrecisionSlider_adj;
 #endif
     class Gtk::Label * _labelPrecisionComment;
diff --git a/src/extension/internal/pdfinput/pdf-input.cpp b/src/extension/internal/pdfinput/pdf-input.cpp
index 90d53c6b0..535deafce 100644
--- a/src/extension/internal/pdfinput/pdf-input.cpp
+++ b/src/extension/internal/pdfinput/pdf-input.cpp
@@ -124,7 +124,7 @@ PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar */*uri*/)
 
 #if WITH_GTKMM_3_0
     _fallbackPrecisionSlider_adj = Gtk::Adjustment::create(2, 1, 256, 1, 10, 10);
-    _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(_fallbackPrecisionSlider_adj));
+    _fallbackPrecisionSlider = Gtk::manage(new class Gtk::Scale(_fallbackPrecisionSlider_adj));
 #else
     _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10));
     _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj));
diff --git a/src/extension/internal/pdfinput/pdf-input.h b/src/extension/internal/pdfinput/pdf-input.h
index e9da5b27c..3710e4667 100644
--- a/src/extension/internal/pdfinput/pdf-input.h
+++ b/src/extension/internal/pdfinput/pdf-input.h
@@ -39,7 +39,11 @@ namespace Gtk {
   class DrawingArea;
   class Frame;
   class HBox;
+#if WITH_GTKMM_3_0
+  class Scale;
+#else
   class HScale;
+#endif
   class VBox;
   class Label;
 }
@@ -95,10 +99,11 @@ private:
     class Inkscape::UI::Widget::Frame * _pageSettingsFrame;
     class Gtk::Label * _labelPrecision;
     class Gtk::Label * _labelPrecisionWarning;
-    class Gtk::HScale * _fallbackPrecisionSlider;
 #if WITH_GTKMM_3_0
+    class Gtk::Scale * _fallbackPrecisionSlider;
     Glib::RefPtr<Gtk::Adjustment> _fallbackPrecisionSlider_adj;
 #else
+    class Gtk::HScale * _fallbackPrecisionSlider;
     class Gtk::Adjustment *_fallbackPrecisionSlider_adj;
 #endif
     class Gtk::Label * _labelPrecisionComment;
diff --git a/src/ui/dialog/inkscape-preferences.cpp b/src/ui/dialog/inkscape-preferences.cpp
index c162681e7..c63b78c70 100644
--- a/src/ui/dialog/inkscape-preferences.cpp
+++ b/src/ui/dialog/inkscape-preferences.cpp
@@ -1477,7 +1477,15 @@ void InkscapePreferences::initKeyboardShortcuts(Gtk::TreeModel::iterator iter_ui
     scroller->add(_kb_tree);
 
     int row = 3;
+
+#if WITH_GTKMM_3_0
+    scroller->set_hexpand();
+    scroller->set_vexpand();
+    _page_keyshortcuts.attach(*scroller, 0, row, 2, 1);
+#else
     _page_keyshortcuts.attach(*scroller, 0, 2, row, row+1, Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL);
+#endif
+
     row++;
 
 #if WITH_GTKMM_3_0
@@ -1488,7 +1496,13 @@ void InkscapePreferences::initKeyboardShortcuts(Gtk::TreeModel::iterator iter_ui
 
     box_buttons->set_layout(Gtk::BUTTONBOX_END);
     box_buttons->set_spacing(4);
+
+#if WITH_GTKMM_3_0
+    box_buttons->set_hexpand();
+    _page_keyshortcuts.attach(*box_buttons, 0, row, 3, 1);
+#else
     _page_keyshortcuts.attach(*box_buttons, 0, 3, row, row+1, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK);
+#endif
 
     UI::Widget::Button *kb_reset = manage(new UI::Widget::Button(_("Reset"), _("Remove all your customized keyboard shortcuts, and revert to the shortcuts in the shortcut file listed above")));
     box_buttons->pack_start(*kb_reset, true, true, 6);
diff --git a/src/ui/dialog/inkscape-preferences.h b/src/ui/dialog/inkscape-preferences.h
index b21ab0128..eaf1ffc3d 100644
--- a/src/ui/dialog/inkscape-preferences.h
+++ b/src/ui/dialog/inkscape-preferences.h
@@ -87,6 +87,14 @@ enum {
 
 };
 
+namespace Gtk {
+#if WITH_GTKMM_3_0
+class Scale;
+#else
+class HScale;
+#endif
+}
+
 namespace Inkscape {
 namespace UI {
 namespace Dialog {
@@ -188,7 +196,12 @@ protected:
     UI::Widget::PrefCheckButton _scroll_space;
     UI::Widget::PrefCheckButton _wheel_zoom;
 
+#if WITH_GTKMM_3_0
+    Gtk::Scale      *_slider_snapping_delay;
+#else
     Gtk::HScale     *_slider_snapping_delay;
+#endif
+
     UI::Widget::PrefCheckButton _snap_indicator;
     UI::Widget::PrefCheckButton _snap_closest_only;
     UI::Widget::PrefCheckButton _snap_mouse_pointer;
diff --git a/src/ui/widget/preferences-widget.cpp b/src/ui/widget/preferences-widget.cpp
index e5b062ec9..314bf75bf 100644
--- a/src/ui/widget/preferences-widget.cpp
+++ b/src/ui/widget/preferences-widget.cpp
@@ -21,7 +21,9 @@
 #include <gtkmm/box.h>
 #include <gtkmm/frame.h>
 #include <gtkmm/alignment.h>
+#include <gtkmm/scale.h>
 #include <gtkmm/stock.h>
+#include <gtkmm/table.h>
 
 #include "preferences.h"
 #include "ui/widget/preferences-widget.h"
@@ -49,90 +51,139 @@ namespace Widget {
 
 DialogPage::DialogPage()
 {
-    this->set_border_width(12);
-    this->set_col_spacings(12);
-    this->set_row_spacings(6);
+    set_border_width(12);
+
+#if WITH_GTKMM_3_0
+    set_orientation(Gtk::ORIENTATION_VERTICAL);
+    set_column_spacing(12);
+    set_row_spacing(6);
+#else
+    set_col_spacings(12);
+    set_row_spacings(6);
+#endif
 }
 
-void DialogPage::add_line(bool indent, Glib::ustring const &label, Gtk::Widget &widget, Glib::ustring const &suffix, const Glib::ustring &tip, bool expand_widget, Gtk::Widget *other_widget)
+/**
+ * Add a widget to the bottom row of the dialog page
+ *
+ * \param[in] indent         Whether the widget should be indented by one column
+ * \param[in] label          The label text for the widget
+ * \param[in] widget         The widget to add to the page
+ * \param[in] suffix         Text for an optional label at the right of the widget
+ * \param[in] tip            Tooltip text for the widget
+ * \param[in] expand_widget  Whether to expand the widget horizontally
+ * \param[in] other_widget   An optional additional widget to display at the right of the first one
+ */
+void DialogPage::add_line(bool                 indent,
+                          Glib::ustring const &label,
+                          Gtk::Widget         &widget,
+                          Glib::ustring const &suffix,
+                          const Glib::ustring &tip,
+                          bool                 expand_widget,
+                          Gtk::Widget         *other_widget)
 {
-    int start_col;
-    int row = this->property_n_rows();
-    Gtk::Widget* w;
-    if (expand_widget)
-    {
-        w = &widget;
-    }
-    else
-    {
-        Gtk::HBox* hb = Gtk::manage(new Gtk::HBox());
-        hb->set_spacing(12);
-        hb->pack_start(widget,false,false);
-        if (other_widget) {
-            hb->pack_start(*other_widget,false,false);
-        }
-
-        w = (Gtk::Widget*) hb;
-    }
+    if (tip != "")
+        widget.set_tooltip_text (tip);
+    
+    Gtk::Alignment* label_alignment = Gtk::manage(new Gtk::Alignment());
+    
+    Gtk::HBox* hb = Gtk::manage(new Gtk::HBox());
+    hb->set_spacing(12);
+    hb->pack_start(widget, expand_widget, expand_widget);
+        
+    // Pack an additional widget into a box with the widget if desired 
+    if (other_widget)
+        hb->pack_start(*other_widget, expand_widget, expand_widget);
+    
+    // Pack the widget into an alignment container so that it can
+    // be indented if desired
+    Gtk::Alignment* w_alignment = Gtk::manage(new Gtk::Alignment());
+    w_alignment->add(*hb);
+
+#if WITH_GTKMM_3_0
+    w_alignment->set_valign(Gtk::ALIGN_CENTER);
+#else
+    guint row = property_n_rows();
+#endif
+    
+    // Add a label in the first column if provided
     if (label != "")
     {
-        Gtk::Label* label_widget;
-        label_widget = Gtk::manage(new Gtk::Label(label , Gtk::ALIGN_START , Gtk::ALIGN_CENTER, true));
+        Gtk::Label* label_widget = Gtk::manage(new Gtk::Label(label, Gtk::ALIGN_START,
+                                                              Gtk::ALIGN_CENTER, true));
         label_widget->set_mnemonic_widget(widget);
+        
+        // Pack the label into an alignment container so that we can indent it
+        // if necessary
+        label_alignment->add(*label_widget);
+ 
         if (indent)
-        {
-            Gtk::Alignment* alignment = Gtk::manage(new Gtk::Alignment());
-            alignment->set_padding(0, 0, 12, 0);
-            alignment->add(*label_widget);
-            this->attach(*alignment , 0, 1, row, row + 1, Gtk::FILL, Gtk::AttachOptions(), 0, 0);
-        }
-        else
-            this->attach(*label_widget , 0, 1, row, row + 1, Gtk::FILL, Gtk::AttachOptions(), 0, 0);
-        start_col = 1;
+            label_alignment->set_padding(0, 0, 12, 0);
+
+#if WITH_GTKMM_3_0
+        label_alignment->set_valign(Gtk::ALIGN_CENTER);
+        add(*label_alignment);
+        attach_next_to(*w_alignment, *label_alignment, Gtk::POS_RIGHT, 1, 1);
+#else
+        attach(*label_alignment, 0, 1, row, row + 1, Gtk::FILL, Gtk::AttachOptions(), 0, 0);
+#endif
     }
-    else
-        start_col = 0;
 
-    if (start_col == 0 && indent) //indent this widget
+    // Now add the widget to the bottom of the dialog
+#if WITH_GTKMM_3_0
+    if (label == "")
     {
-        Gtk::Alignment* alignment = Gtk::manage(new Gtk::Alignment());
-        alignment->set_padding(0, 0, 12, 0);
-        alignment->add(*w);
-        this->attach(*alignment, start_col, 2, row, row + 1, Gtk::FILL | Gtk::EXPAND, Gtk::AttachOptions(),  0, 0);
-    }
-    else
-    {
-        this->attach(*w, start_col, 2, row, row + 1, Gtk::FILL | Gtk::EXPAND, Gtk::AttachOptions(),  0, 0);
-    }
+        if (indent)
+            w_alignment->set_padding(0, 0, 12, 0);
+
+        add(*w_alignment);
+        
+        GValue width = G_VALUE_INIT;
+        g_value_init(&width, G_TYPE_INT);
+        g_value_set_int(&width, 2);
+        gtk_container_child_set_property(GTK_CONTAINER(gobj()), GTK_WIDGET(w_alignment->gobj()), "width", &width);
+    }
+#else
+    // The widget should span two columns if there is no label
+    int w_col_span = 1;
+    if (label == "")
+        w_col_span = 2;
+    
+    attach(*w_alignment, 2 - w_col_span, 2, row, row + 1,
+            Gtk::FILL | Gtk::EXPAND,
+            Gtk::AttachOptions(),
+            0, 0);
+#endif
 
+    // Add a label on the right of the widget if desired
     if (suffix != "")
     {
         Gtk::Label* suffix_widget = Gtk::manage(new Gtk::Label(suffix , Gtk::ALIGN_START , Gtk::ALIGN_CENTER, true));
-        if (expand_widget)
-            this->attach(*suffix_widget, 2, 3, row, row + 1, Gtk::FILL,  Gtk::AttachOptions(), 0, 0);
-        else
-            ((Gtk::HBox*)w)->pack_start(*suffix_widget,false,false);
-    }
-
-    if (tip != "")
-    {
-        widget.set_tooltip_text (tip);
+        hb->pack_start(*suffix_widget,false,false);
     }
 
 }
 
 void DialogPage::add_group_header(Glib::ustring name)
 {
-    int row = this->property_n_rows();
     if (name != "")
     {
         Gtk::Label* label_widget = Gtk::manage(new Gtk::Label(Glib::ustring(/*"<span size='large'>*/"<b>") + name +
                                                Glib::ustring("</b>"/*</span>"*/) , Gtk::ALIGN_START , Gtk::ALIGN_CENTER, true));
         
         label_widget->set_use_markup(true);
-        this->attach(*label_widget , 0, 4, row, row + 1, Gtk::FILL, Gtk::AttachOptions(), 0, 0);
+        
+#if WITH_GTKMM_3_0
+        label_widget->set_valign(Gtk::ALIGN_CENTER);
+        add(*label_widget);
+//        if (row != 1)
+  //          set_row_spacing(row - 1, 18);
+#else
+        int row = property_n_rows();
+        attach(*label_widget , 0, 4, row, row + 1, Gtk::FILL, Gtk::AttachOptions(), 0, 0);
         if (row != 1)
-            this->set_row_spacing(row - 1, 18);
+            set_row_spacing(row - 1, 18);
+#endif
     }
 }
 
@@ -444,8 +495,8 @@ ZoomCorrRulerSlider::on_slider_value_changed()
     {
         freeze = true;
         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-        prefs->setDouble("/options/zoomcorrection/value", _slider.get_value() / 100.0);
-        _sb.set_value(_slider.get_value());
+        prefs->setDouble("/options/zoomcorrection/value", _slider->get_value() / 100.0);
+        _sb.set_value(_slider->get_value());
         _ruler.queue_draw();
         freeze = false;
     }
@@ -459,7 +510,7 @@ ZoomCorrRulerSlider::on_spinbutton_value_changed()
         freeze = true;
         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
         prefs->setDouble("/options/zoomcorrection/value", _sb.get_value() / 100.0);
-        _slider.set_value(_sb.get_value());
+        _slider->set_value(_sb.get_value());
         _ruler.queue_draw();
         freeze = false;
     }
@@ -498,13 +549,19 @@ ZoomCorrRulerSlider::init(int ruler_width, int ruler_height, double lower, doubl
 
     _ruler.set_size(ruler_width, ruler_height);
 
-    _slider.set_size_request(_ruler.width(), -1);
-    _slider.set_range (lower, upper);
-    _slider.set_increments (step_increment, page_increment);
-    _slider.set_value (value);
-    _slider.set_digits(2);
+#if WITH_GTKMM_3_0
+    _slider = Gtk::manage(new Gtk::Scale(Gtk::ORIENTATION_HORIZONTAL));
+#else
+    _slider = Gtk::manage(new Gtk::HScale());
+#endif
+
+    _slider->set_size_request(_ruler.width(), -1);
+    _slider->set_range (lower, upper);
+    _slider->set_increments (step_increment, page_increment);
+    _slider->set_value (value);
+    _slider->set_digits(2);
 
-    _slider.signal_value_changed().connect(sigc::mem_fun(*this, &ZoomCorrRulerSlider::on_slider_value_changed));
+    _slider->signal_value_changed().connect(sigc::mem_fun(*this, &ZoomCorrRulerSlider::on_slider_value_changed));
     _sb.signal_value_changed().connect(sigc::mem_fun(*this, &ZoomCorrRulerSlider::on_spinbutton_value_changed));
     _unit.signal_changed().connect(sigc::mem_fun(*this, &ZoomCorrRulerSlider::on_unit_changed));
 
@@ -518,18 +575,28 @@ ZoomCorrRulerSlider::init(int ruler_width, int ruler_height, double lower, doubl
     _unit.set_data("sensitive", GINT_TO_POINTER(1));
     _unit.setUnit(prefs->getString("/options/zoomcorrection/unit"));
 
-    Gtk::Table *table = Gtk::manage(new Gtk::Table());
     Gtk::Alignment *alignment1 = Gtk::manage(new Gtk::Alignment(0.5,1,0,0));
     Gtk::Alignment *alignment2 = Gtk::manage(new Gtk::Alignment(0.5,1,0,0));
     alignment1->add(_sb);
     alignment2->add(_unit);
 
-    table->attach(_slider,     0, 1, 0, 1);
+#if WITH_GTKMM_3_0
+    Gtk::Grid *table = Gtk::manage(new Gtk::Grid());
+    table->attach(*_slider,    0, 0, 1, 1);
+    alignment1->set_halign(Gtk::ALIGN_CENTER);
+    table->attach(*alignment1, 1, 0, 1, 1);
+    table->attach(_ruler,      0, 1, 1, 1);
+    alignment2->set_halign(Gtk::ALIGN_CENTER);
+    table->attach(*alignment2, 1, 1, 1, 1);
+#else
+    Gtk::Table *table = Gtk::manage(new Gtk::Table());
+    table->attach(*_slider,    0, 1, 0, 1);
     table->attach(*alignment1, 1, 2, 0, 1, static_cast<Gtk::AttachOptions>(0));
     table->attach(_ruler,      0, 1, 1, 2);
     table->attach(*alignment2, 1, 2, 1, 2, static_cast<Gtk::AttachOptions>(0));
+#endif
 
-    this->pack_start(*table, Gtk::PACK_EXPAND_WIDGET);
+    pack_start(*table, Gtk::PACK_SHRINK);
 }
 
 void
@@ -539,8 +606,8 @@ PrefSlider::on_slider_value_changed()
     {
         freeze = true;
         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-        prefs->setDouble(_prefs_path, _slider.get_value());
-        _sb.set_value(_slider.get_value());
+        prefs->setDouble(_prefs_path, _slider->get_value());
+        _sb.set_value(_slider->get_value());
         freeze = false;
     }
 }
@@ -553,7 +620,7 @@ PrefSlider::on_spinbutton_value_changed()
         freeze = true;
         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
         prefs->setDouble(_prefs_path, _sb.get_value());
-        _slider.set_value(_sb.get_value());
+        _slider->set_value(_sb.get_value());
         freeze = false;
     }
 }
@@ -574,11 +641,17 @@ PrefSlider::init(Glib::ustring const &prefs_path,
 
     freeze = false;
 
-    _slider.set_range (lower, upper);
-    _slider.set_increments (step_increment, page_increment);
-    _slider.set_value (value);
-    _slider.set_digits(digits);
-    _slider.signal_value_changed().connect(sigc::mem_fun(*this, &PrefSlider::on_slider_value_changed));
+#if WITH_GTKMM_3_0
+    _slider = Gtk::manage(new Gtk::Scale(Gtk::ORIENTATION_HORIZONTAL));
+#else
+    _slider = Gtk::manage(new Gtk::HScale());
+#endif
+
+    _slider->set_range (lower, upper);
+    _slider->set_increments (step_increment, page_increment);
+    _slider->set_value (value);
+    _slider->set_digits(digits);
+    _slider->signal_value_changed().connect(sigc::mem_fun(*this, &PrefSlider::on_slider_value_changed));
 
     _sb.signal_value_changed().connect(sigc::mem_fun(*this, &PrefSlider::on_spinbutton_value_changed));
     _sb.set_range (lower, upper);
@@ -586,12 +659,20 @@ PrefSlider::init(Glib::ustring const &prefs_path,
     _sb.set_value (value);
     _sb.set_digits(digits);
 
-    Gtk::Table *table = Gtk::manage(new Gtk::Table());
     Gtk::Alignment *alignment1 = Gtk::manage(new Gtk::Alignment(0.5,1,0,0));
     alignment1->add(_sb);
 
-    table->attach(_slider,     0, 1, 0, 1);
+#if WITH_GTKMM_3_0
+    Gtk::Grid *table = Gtk::manage(new Gtk::Grid());
+    _slider->set_hexpand();
+    table->attach(*_slider,    0, 0, 1, 1);
+    alignment1->set_halign(Gtk::ALIGN_CENTER);
+    table->attach(*alignment1, 1, 0, 1, 1);
+#else
+    Gtk::Table *table = Gtk::manage(new Gtk::Table());
+    table->attach(*_slider,    0, 1, 0, 1);
     table->attach(*alignment1, 1, 2, 0, 1, static_cast<Gtk::AttachOptions>(0));
+#endif
 
     this->pack_start(*table, Gtk::PACK_EXPAND_WIDGET);
 }
diff --git a/src/ui/widget/preferences-widget.h b/src/ui/widget/preferences-widget.h
index 646a8b2fa..e3968045d 100644
--- a/src/ui/widget/preferences-widget.h
+++ b/src/ui/widget/preferences-widget.h
@@ -25,14 +25,26 @@
 #include <gtkmm/radiobutton.h>
 #include <gtkmm/comboboxtext.h>
 #include <gtkmm/drawingarea.h>
-#include <gtkmm/scale.h>
+
+#if WITH_GTKMM_3_0
+#include <gtkmm/grid.h>
+#else
 #include <gtkmm/table.h>
+#endif
 
 #include "ui/widget/color-picker.h"
 #include "ui/widget/unit-menu.h"
 #include "ui/widget/spinbutton.h"
 #include "ui/widget/scalar-unit.h"
 
+namespace Gtk {
+#if WITH_GTKMM_3_0
+class Scale;
+#else
+class HScale;
+#endif
+}
+
 namespace Inkscape {
 namespace UI {
 namespace Widget {
@@ -137,7 +149,11 @@ private:
 
     Inkscape::UI::Widget::SpinButton _sb;
     UnitMenu        _unit;
-    Gtk::HScale     _slider;
+#if WITH_GTKMM_3_0
+    Gtk::Scale*      _slider;
+#else
+    Gtk::HScale*     _slider;
+#endif
     ZoomCorrRuler   _ruler;
     bool freeze; // used to block recursive updates of slider and spinbutton
 };
@@ -155,7 +171,13 @@ private:
 
     Glib::ustring _prefs_path;
     Inkscape::UI::Widget::SpinButton _sb;
-    Gtk::HScale     _slider;
+
+#if WITH_GTKMM_3_0
+    Gtk::Scale*     _slider;
+#else
+    Gtk::HScale*    _slider;
+#endif
+
     bool freeze; // used to block recursive updates of slider and spinbutton
 };
 
@@ -251,7 +273,11 @@ protected:
     void on_changed();
 };
 
+#if WITH_GTKMM_3_0
+class DialogPage : public Gtk::Grid
+#else
 class DialogPage : public Gtk::Table
+#endif
 {
 public:
     DialogPage();