1 files changed, 211 insertions, 424 deletions
diff --git a/data/buttons-advanced.ui b/data/buttons-advanced.ui
index 48de81d..a4b756b 100644
--- a/data/buttons-advanced.ui
+++ b/data/buttons-advanced.ui
@@ -1,39 +1,33 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.4 -->
 <interface>
- <requires lib="gtk+" version="2.16"/>
- <!-- interface-naming-policy toplevel-contextual -->
+ <requires lib="gtk+" version="3.22"/>
 <object class="GtkWindow" id="window1">
 <property name="can_focus">False</property>
 <child>
- <object class="GtkTable" id="button_panel">
+ <object class="GtkGrid" id="button_panel">
 <property name="visible">True</property>
 <property name="can_focus">False</property>
- <property name="n_rows">5</property>
- <property name="n_columns">11</property>
- <property name="homogeneous">True</property>
+ <property name="row_homogeneous">True</property>
+ <property name="column_homogeneous">True</property>
 <child>
 <object class="GtkButton" id="calc_factor_button">
 <property name="label">a×b</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
+ <signal name="clicked" handler="factorize_cb" swapped="no"/>
 <child internal-child="accessible">
 <object class="AtkObject" id="calc_factor_button-atkobject">
 <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
 </object>
 </child>
- <signal name="clicked" handler="factorize_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">5</property>
- <property name="right_attach">6</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -41,29 +35,23 @@
 <property name="label">Im</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">7</property>
- <property name="right_attach">8</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_imaginary_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="imaginary_label">
@@ -76,11 +64,7 @@
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -88,17 +72,14 @@
 <property name="label">4</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
+ <property name="left_attach">0</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -106,17 +87,14 @@
 <property name="label">7</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
+ <property name="left_attach">0</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -124,19 +102,14 @@
 <property name="label">8</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">1</property>
- <property name="right_attach">2</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -144,19 +117,14 @@
 <property name="label">9</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -164,19 +132,14 @@
 <property name="label">5</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">1</property>
- <property name="right_attach">2</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -184,19 +147,14 @@
 <property name="label">6</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -204,37 +162,14 @@
 <property name="label">÷</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">3</property>
- <property name="right_attach">4</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- </packing>
- </child>
- <child>
- <object class="GtkButton" id="calc_1_button">
- <property name="label">1</property>
- <property name="visible">True</property>
- <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
- <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
- <signal name="clicked" handler="digit_cb" swapped="no"/>
- </object>
- <packing>
- <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -242,38 +177,14 @@
 <property name="label">2</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">1</property>
- <property name="right_attach">2</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- </packing>
- </child>
- <child>
- <object class="GtkButton" id="calc_0_button">
- <property name="label">0</property>
- <property name="width_request">50</property>
- <property name="visible">True</property>
- <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
- <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
- <signal name="clicked" handler="digit_cb" swapped="no"/>
- </object>
- <packing>
- <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -281,19 +192,14 @@
 <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">1</property>
- <property name="right_attach">2</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -301,19 +207,14 @@
 <property name="label">3</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="digit_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -321,19 +222,14 @@
 <property name="label">×</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">3</property>
- <property name="right_attach">4</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -341,19 +237,14 @@
 <property name="label">−</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="subtract_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">3</property>
- <property name="right_attach">4</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -361,19 +252,14 @@
 <property name="label">+</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">3</property>
- <property name="right_attach">4</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -381,19 +267,14 @@
 <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="solve_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">4</property>
- <property name="right_attach">5</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -401,102 +282,40 @@
 <property name="label" translatable="yes">Clear</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="clear_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">5</property>
- <property name="right_attach">6</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
- <object class="GtkToggleButton" id="calc_subscript_button">
+ <object class="GtkButton" id="calc_exponential_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_subscript_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
- </object>
- </child>
- <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
- <child>
- <object class="GtkLabel" id="label4">
- <property name="visible">True</property>
- <property name="can_focus">False</property>
- <property name="label">↓n</property>
- <property name="use_markup">True</property>
- </object>
- </child>
- </object>
- <packing>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- </packing>
- </child>
- <child>
- <object class="GtkToggleButton" id="calc_superscript_button">
- <property name="visible">True</property>
- <property name="can_focus">True</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
- <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_superscript_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
- </object>
- </child>
- <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
+ <property name="use_underline">True</property>
+ <signal name="clicked" handler="exponent_cb" swapped="no"/>
 <child>
- <object class="GtkLabel" id="label3">
+ <object class="GtkLabel" id="label2">
 <property name="visible">True</property>
 <property name="can_focus">False</property>
- <property name="label">↑n</property>
+ <property name="label">×10&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
 <property name="use_markup">True</property>
 </object>
 </child>
- </object>
- <packing>
- <property name="left_attach">1</property>
- <property name="right_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- </packing>
- </child>
- <child>
- <object class="GtkButton" id="calc_exponential_button">
- <property name="visible">True</property>
- <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
- <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <child internal-child="accessible">
 <object class="AtkObject" id="calc_exponential_button-atkobject">
 <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the scientific exponent button">Scientific Exponent</property>
 </object>
 </child>
- <signal name="clicked" handler="exponent_cb" swapped="no"/>
- <child>
- <object class="GtkLabel" id="label2">
- <property name="visible">True</property>
- <property name="can_focus">False</property>
- <property name="label">×10&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
- <property name="use_markup">True</property>
- </object>
- </child>
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
@@ -504,17 +323,14 @@
 <property name="label">mod</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">3</property>
- <property name="right_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
@@ -522,19 +338,14 @@
 <property name="label">(</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">4</property>
- <property name="right_attach">5</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -542,36 +353,25 @@
 <property name="label">)</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">5</property>
- <property name="right_attach">6</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_memory_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_memory_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory button">Memory</property>
- </object>
- </child>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="memory_cb" swapped="no"/>
 <child>
- <object class="GtkHBox" id="hbox20">
+ <object class="GtkBox" id="hbox20">
 <property name="visible">True</property>
 <property name="can_focus">False</property>
 <child>
@@ -603,14 +403,16 @@
 </child>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_memory_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory button">Memory</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">4</property>
- <property name="right_attach">6</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="width">2</property>
 </packing>
 </child>
 <child>
@@ -618,19 +420,14 @@
 <property name="label">Re</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">6</property>
- <property name="right_attach">7</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -638,19 +435,14 @@
 <property name="label">conj</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">8</property>
- <property name="right_attach">9</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -658,19 +450,14 @@
 <property name="label">ln</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">9</property>
- <property name="right_attach">10</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -678,32 +465,21 @@
 <property name="label">log</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">8</property>
- <property name="right_attach">9</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_x_pow_y_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
- </object>
- </child>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="x_pow_y_label">
@@ -713,14 +489,15 @@
 <property name="use_markup">True</property>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">6</property>
- <property name="right_attach">7</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -728,19 +505,14 @@
 <property name="label">√</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">7</property>
- <property name="right_attach">8</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -748,26 +520,22 @@
 <property name="label" translatable="yes">Undo</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="undo_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">4</property>
- <property name="right_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_pi_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="pi_label">
@@ -780,21 +548,16 @@
 </object>
 <packing>
 <property name="left_attach">4</property>
- <property name="right_attach">5</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_eulers_number_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="eulers_number_label">
@@ -807,33 +570,27 @@
 </object>
 <packing>
 <property name="left_attach">5</property>
- <property name="right_attach">6</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
- <object class="GtkTable" id="table1">
+ <object class="GtkGrid" id="table1">
 <property name="visible">True</property>
 <property name="can_focus">False</property>
- <property name="n_rows">3</property>
- <property name="n_columns">3</property>
- <property name="homogeneous">True</property>
+ <property name="row_homogeneous">True</property>
+ <property name="column_homogeneous">True</property>
 <child>
 <object class="GtkButton" id="calc_cosine_button">
 <property name="label">cos</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="left_attach">0</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
@@ -841,16 +598,13 @@
 <property name="label">sin</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">1</property>
- <property name="right_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
@@ -858,150 +612,116 @@
 <property name="label">tan</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">2</property>
- <property name="right_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="top_attach">0</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_hyperbolic_cosine_button">
- <property name="label">cosh</property>
+ <object class="GtkButton" id="calc_hyperbolic_sine_button">
+ <property name="label">sinh</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
+ <property name="left_attach">1</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_hyperbolic_sine_button">
- <property name="label">sinh</property>
+ <object class="GtkButton" id="calc_hyperbolic_tangent_button">
+ <property name="label">tanh</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
- <property name="left_attach">1</property>
- <property name="right_attach">2</property>
+ <property name="left_attach">2</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_hyperbolic_tangent_button">
- <property name="label">tanh</property>
+ <object class="GtkButton" id="calc_inverse_sine_button">
+ <property name="label" translatable="yes">asin</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
- <property name="left_attach">2</property>
- <property name="right_attach">3</property>
- <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="left_attach">1</property>
+ <property name="top_attach">2</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_inverse_cosine_button">
- <property name="label" translatable="yes">acos</property>
+ <object class="GtkButton" id="calc_inverse_tangent_button">
+ <property name="label" translatable="yes">atan</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
+ <property name="left_attach">2</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_inverse_sine_button">
- <property name="label" translatable="yes">asin</property>
+ <object class="GtkButton" id="calc_hyperbolic_cosine_button">
+ <property name="label">cosh</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
- <property name="left_attach">1</property>
- <property name="right_attach">2</property>
- <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ <property name="left_attach">0</property>
+ <property name="top_attach">1</property>
 </packing>
 </child>
 <child>
- <object class="GtkButton" id="calc_inverse_tangent_button">
- <property name="label" translatable="yes">atan</property>
+ <object class="GtkButton" id="calc_inverse_cosine_button">
+ <property name="label" translatable="yes">acos</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
- <property name="left_attach">2</property>
- <property name="right_attach">3</property>
+ <property name="left_attach">0</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 </object>
 <packing>
 <property name="left_attach">6</property>
- <property name="right_attach">10</property>
- <property name="bottom_attach">3</property>
+ <property name="top_attach">0</property>
+ <property name="width">4</property>
+ <property name="height">3</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_function_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_function_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
- </object>
- </child>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="function_cb" swapped="no"/>
 <child>
- <object class="GtkHBox" id="hbox2">
+ <object class="GtkBox" id="hbox2">
 <property name="visible">True</property>
 <property name="can_focus">False</property>
 <child>
@@ -1030,28 +750,23 @@
 </child>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_function_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">9</property>
- <property name="right_attach">10</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_inverse_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_inverse_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
- </object>
- </child>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="label20">
@@ -1062,28 +777,23 @@
 <property name="justify">center</property>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_inverse_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">10</property>
- <property name="right_attach">11</property>
 <property name="top_attach">1</property>
- <property name="bottom_attach">2</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_factorial_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
- <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_factorial_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
- </object>
- </child>
+ <property name="receives_default">True</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="label14">
@@ -1093,29 +803,24 @@
 <property name="use_markup">True</property>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_factorial_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">10</property>
- <property name="right_attach">11</property>
 <property name="top_attach">2</property>
- <property name="bottom_attach">3</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
 <object class="GtkButton" id="calc_abs_button">
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
- <child internal-child="accessible">
- <object class="AtkObject" id="calc_abs_button-atkobject">
- <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
- </object>
- </child>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 <child>
 <object class="GtkLabel" id="label1">
@@ -1125,14 +830,15 @@
 <property name="use_markup">True</property>
 </object>
 </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_abs_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
+ </object>
+ </child>
 </object>
 <packing>
 <property name="left_attach">10</property>
- <property name="right_attach">11</property>
 <property name="top_attach">3</property>
- <property name="bottom_attach">4</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
 </packing>
 </child>
 <child>
@@ -1140,19 +846,97 @@
 <property name="label">Arg</property>
 <property name="visible">True</property>
 <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
 <property name="receives_default">True</property>
- <property name="use_action_appearance">False</property>
 <property name="use_underline">True</property>
- <property name="focus_on_click">False</property>
 <signal name="clicked" handler="button_cb" swapped="no"/>
 </object>
 <packing>
 <property name="left_attach">10</property>
- <property name="right_attach">11</property>
 <property name="top_attach">4</property>
- <property name="bottom_attach">5</property>
- <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
- <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkToggleButton" id="calc_superscript_button">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
+ <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
+ <child>
+ <object class="GtkLabel" id="label3">
+ <property name="visible">True</property>
+ <property name="can_focus">False</property>
+ <property name="label">↑n</property>
+ <property name="use_markup">True</property>
+ </object>
+ </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_superscript_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
+ </object>
+ </child>
+ </object>
+ <packing>
+ <property name="left_attach">1</property>
+ <property name="top_attach">0</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkToggleButton" id="calc_subscript_button">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
+ <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
+ <child>
+ <object class="GtkLabel" id="label4">
+ <property name="visible">True</property>
+ <property name="can_focus">False</property>
+ <property name="label">↓n</property>
+ <property name="use_markup">True</property>
+ </object>
+ </child>
+ <child internal-child="accessible">
+ <object class="AtkObject" id="calc_subscript_button-atkobject">
+ <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
+ </object>
+ </child>
+ </object>
+ <packing>
+ <property name="left_attach">0</property>
+ <property name="top_attach">0</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkButton" id="calc_1_button">
+ <property name="label">1</property>
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
+ <property name="use_underline">True</property>
+ <signal name="clicked" handler="digit_cb" swapped="no"/>
+ </object>
+ <packing>
+ <property name="left_attach">0</property>
+ <property name="top_attach">3</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkButton" id="calc_0_button">
+ <property name="label">0</property>
+ <property name="width_request">50</property>
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="focus_on_click">False</property>
+ <property name="receives_default">True</property>
+ <property name="use_underline">True</property>
+ <signal name="clicked" handler="digit_cb" swapped="no"/>
+ </object>
+ <packing>
+ <property name="left_attach">0</property>
+ <property name="top_attach">4</property>
 </packing>
 </child>
 <child>
@@ -1160,5 +944,8 @@
 </child>
 </object>
 </child>
+ <child type="titlebar">
+ <placeholder/>
+ </child>
 </object>
 </interface>