Resolves tdf#101731 - Rename Border/Midpoint

Follow up to Icda875d3c6f03ffd29395ac5ce932475cc629361
changing "Midpoint" (formerly "Border") to "Transition start".
Using the same name for transparency.

Change-Id: I1f1c53ee357a9ead94100156598f43a0ac021d74
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145141
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>

2 files changed, 315 insertions, 317 deletions

diff --git a/cui/uiconfig/ui/gradientpage.ui b/cui/uiconfig/ui/gradientpage.ui
index e2ec661b3b7d..3630f6f5a006 100644
--- a/cui/uiconfig/ui/gradientpage.ui
+++ b/cui/uiconfig/ui/gradientpage.ui
@@ -1,91 +1,91 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.36.0 -->
+<!-- Generated with glade 3.40.0 -->
 <interface domain="cui">
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkAdjustment" id="adjustment1">
     <property name="lower">3</property>
     <property name="upper">256</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustment2">
     <property name="lower">3</property>
     <property name="upper">256</property>
     <property name="value">3</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustment3">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="angleadjustment">
     <property name="upper">359</property>
-    <property name="step_increment">15</property>
+    <property name="step-increment">15</property>
   </object>
   <object class="GtkAdjustment" id="angleadjustmentslider">
     <property name="upper">359</property>
-    <property name="step_increment">15</property>
-    <property name="page_increment">15</property>
+    <property name="step-increment">15</property>
+    <property name="page-increment">15</property>
   </object>
   <object class="GtkAdjustment" id="percentadjustment">
     <property name="upper">100</property>
-    <property name="step_increment">5</property>
+    <property name="step-increment">5</property>
   </object>
   <object class="GtkAdjustment" id="percentadjustment1">
     <property name="upper">100</property>
-    <property name="step_increment">5</property>
+    <property name="step-increment">5</property>
   </object>
   <object class="GtkAdjustment" id="percentadjustment2">
     <property name="upper">100</property>
-    <property name="step_increment">5</property>
+    <property name="step-increment">5</property>
   </object>
   <object class="GtkAdjustment" id="percentadjustment3">
     <property name="upper">100</property>
-    <property name="step_increment">5</property>
+    <property name="step-increment">5</property>
   </object>
   <object class="GtkAdjustment" id="percentadjustment4">
     <property name="upper">100</property>
-    <property name="step_increment">5</property>
+    <property name="step-increment">5</property>
   </object>
   <object class="GtkBox" id="GradientPage">
     <property name="visible">True</property>
-    <property name="can_focus">False</property>
+    <property name="can-focus">False</property>
     <property name="hexpand">True</property>
     <property name="vexpand">True</property>
-    <property name="border_width">6</property>
+    <property name="border-width">6</property>
     <property name="spacing">6</property>
     <child>
       <object class="GtkFrame" id="frame2">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="label_xalign">0</property>
-        <property name="shadow_type">none</property>
+        <property name="can-focus">False</property>
+        <property name="label-xalign">0</property>
+        <property name="shadow-type">none</property>
         <child>
           <object class="GtkBox" id="box4">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="orientation">vertical</property>
-            <property name="spacing">6</property>
+            <property name="can-focus">False</property>
             <property name="margin-start">12</property>
             <property name="margin-top">6</property>
+            <property name="orientation">vertical</property>
+            <property name="spacing">6</property>
             <child>
               <object class="GtkScrolledWindow" id="gradientpresetlistwin">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="can-focus">True</property>
                 <property name="vexpand">True</property>
-                <property name="hscrollbar_policy">never</property>
-                <property name="vscrollbar_policy">never</property>
-                <property name="shadow_type">in</property>
+                <property name="hscrollbar-policy">never</property>
+                <property name="vscrollbar-policy">never</property>
+                <property name="shadow-type">in</property>
                 <child>
                   <object class="GtkViewport">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <child>
                       <object class="GtkDrawingArea" id="gradientpresetlist">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="events">GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_STRUCTURE_MASK</property>
                         <property name="vexpand">True</property>
                       </object>
@@ -102,16 +102,16 @@
             <child>
               <object class="GtkButtonBox" id="buttonbox1">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="halign">center</property>
                 <property name="spacing">6</property>
-                <property name="layout_style">start</property>
+                <property name="layout-style">start</property>
                 <child>
                   <object class="GtkButton" id="add">
                     <property name="label" translatable="yes" context="stock">_Add</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">True</property>
                     <property name="use-underline">True</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="add-atkobject">
@@ -129,9 +129,9 @@
                   <object class="GtkButton" id="modify">
                     <property name="label" translatable="yes" context="gradientpage|modify">_Modify</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">True</property>
-                    <property name="use_underline">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">True</property>
+                    <property name="use-underline">True</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="modify-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|modify">Applies the current gradient properties to the selected gradient. If you want, you can save the gradient under a different name.</property>
@@ -156,7 +156,7 @@
         <child type="label">
           <object class="GtkLabel" id="label1">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="label" translatable="yes" context="gradientpage|label1">Gradient</property>
             <attributes>
               <attribute name="weight" value="bold"/>
@@ -173,36 +173,36 @@
     <child>
       <object class="GtkFrame" id="frame1">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can-focus">False</property>
         <property name="hexpand">True</property>
         <property name="vexpand">True</property>
-        <property name="label_xalign">0</property>
-        <property name="shadow_type">none</property>
+        <property name="label-xalign">0</property>
+        <property name="shadow-type">none</property>
         <child>
           <object class="GtkBox" id="box2">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="valign">start</property>
+            <property name="margin-start">12</property>
+            <property name="margin-top">6</property>
             <property name="hexpand">True</property>
             <property name="vexpand">True</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
-            <property name="margin-start">12</property>
-            <property name="margin-top">6</property>
             <child>
               <object class="GtkBox" id="box6">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="valign">start</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">3</property>
                 <child>
                   <object class="GtkLabel" id="typeft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|typeft">_Type:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">gradienttypelb</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">gradienttypelb</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
@@ -214,7 +214,7 @@
                 <child>
                   <object class="GtkComboBoxText" id="gradienttypelb">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <items>
                       <item translatable="yes" context="gradientpage|gradienttypelb">Linear</item>
                       <item translatable="yes" context="gradientpage|gradienttypelb">Axial</item>
@@ -243,54 +243,54 @@
               </packing>
             </child>
             <child>
-              <!-- n-columns=1 n-rows=1 -->
+              <!-- n-columns=2 n-rows=2 -->
               <object class="GtkGrid" id="grid6">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="valign">start</property>
-                <property name="row_spacing">3</property>
-                <property name="column_spacing">6</property>
+                <property name="row-spacing">3</property>
+                <property name="column-spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="incrementft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|incrementft">Increment:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">incrementmtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">incrementmtr</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                     <property name="width">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="incrementmtr">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="halign">end</property>
                     <property name="truncate-multiline">True</property>
                     <property name="adjustment">adjustment1</property>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkCheckButton" id="autoincrement">
                     <property name="label" translatable="yes" context="gradientpage|autoincrement">A_utomatic</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
                     <property name="hexpand">True</property>
-                    <property name="use_underline">True</property>
-                    <property name="draw_indicator">True</property>
+                    <property name="use-underline">True</property>
+                    <property name="draw-indicator">True</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
               </object>
@@ -301,39 +301,39 @@
               </packing>
             </child>
             <child>
-              <!-- n-columns=1 n-rows=1 -->
+              <!-- n-columns=1 n-rows=2 -->
               <object class="GtkGrid" id="grid5">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="valign">start</property>
-                <property name="row_spacing">3</property>
-                <property name="column_spacing">6</property>
+                <property name="row-spacing">3</property>
+                <property name="column-spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="centerft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|centerft">Center ( X / Y ):</property>
-                    <property name="use_underline">True</property>
+                    <property name="use-underline">True</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkBox" id="box9">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="hexpand">True</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkSpinButton" id="centerxmtr">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="hexpand">True</property>
-                        <property name="adjustment">percentadjustment3</property>
                         <property name="truncate-multiline">True</property>
+                        <property name="adjustment">percentadjustment3</property>
                         <child internal-child="accessible">
                           <object class="AtkObject" id="centerxmtr-atkobject">
                             <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|centerxmtr">Enter the horizontal offset for the gradient, where 0% corresponds to the current horizontal location of the endpoint color in the gradient. The endpoint color is the color that is selected in the To Color box.</property>
@@ -349,10 +349,10 @@
                     <child>
                       <object class="GtkSpinButton" id="centerymtr">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="hexpand">True</property>
-                        <property name="adjustment">percentadjustment4</property>
                         <property name="truncate-multiline">True</property>
+                        <property name="adjustment">percentadjustment4</property>
                         <child internal-child="accessible">
                           <object class="AtkObject" id="centerymtr-atkobject">
                             <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|centerymtr">Enter the vertical offset for the gradient, where 0% corresponds to the current vertical location of the endpoint color in the gradient. The endpoint color is the color that is selected in the To Color box.</property>
@@ -367,8 +367,8 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
               </object>
@@ -379,49 +379,49 @@
               </packing>
             </child>
             <child>
-              <!-- n-columns=1 n-rows=1 -->
+              <!-- n-columns=2 n-rows=8 -->
               <object class="GtkGrid" id="grid3">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="valign">start</property>
-                <property name="row_spacing">3</property>
-                <property name="column_spacing">6</property>
+                <property name="row-spacing">3</property>
+                <property name="column-spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="borderft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label" translatable="yes" context="gradientpage|borderft">Mid_point:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">bordermtr</property>
+                    <property name="can-focus">False</property>
+                    <property name="label" translatable="yes" context="gradientpage|borderft">Transition start:</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">bordermtr</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">2</property>
                     <property name="width">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkScale" id="borderslider">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="hexpand">True</property>
                     <property name="adjustment">adjustment3</property>
-                    <property name="round_digits">1</property>
-                    <property name="draw_value">False</property>
+                    <property name="round-digits">1</property>
+                    <property name="draw-value">False</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="bordermtr">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="halign">end</property>
-                    <property name="adjustment">percentadjustment</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">percentadjustment</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="bordermtr-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|bordermtr">Enter the amount by which you want to adjust the area of the endpoint color on the gradient. The endpoint color is the color that is selected in the To Color box.</property>
@@ -429,16 +429,16 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="anglemtr">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="adjustment">angleadjustment</property>
+                    <property name="can-focus">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">angleadjustment</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="anglemtr-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|anglemtr">Enter a rotation angle for the selected gradient.</property>
@@ -446,32 +446,32 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="angleft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="hexpand">True</property>
                     <property name="label" translatable="yes" context="gradientpage|angleft">A_ngle:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">anglemtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">anglemtr</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                     <property name="width">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="colortomtr">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="adjustment">percentadjustment2</property>
+                    <property name="can-focus">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">percentadjustment2</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="colortomtr-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|colortomtr">Enter the intensity for the color in the To Color box, where 0% corresponds to black, and 100 % to the selected color.</property>
@@ -479,18 +479,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">7</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">7</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkMenuButton" id="colortolb">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
                     <property name="xalign">0</property>
-                    <property name="draw_indicator">True</property>
-                    <property name="label" translatable="no"></property>
+                    <property name="draw-indicator">True</property>
                     <child>
                       <placeholder/>
                     </child>
@@ -501,33 +500,32 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">7</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">7</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="colortoft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|colortoft">_To Color:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">colortolb</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">colortolb</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">6</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">6</property>
                     <property name="width">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkMenuButton" id="colorfromlb">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
                     <property name="xalign">0</property>
-                    <property name="draw_indicator">True</property>
-                    <property name="label" translatable="no"></property>
+                    <property name="draw-indicator">True</property>
                     <child>
                       <placeholder/>
                     </child>
@@ -538,16 +536,16 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">5</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">5</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="colorfrommtr">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="adjustment">percentadjustment1</property>
+                    <property name="can-focus">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">percentadjustment1</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="colorfrommtr-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="gradientpage|extended_tip|colorfrommtr">Enter the intensity for the color in the From Color box, where 0% corresponds to black, and 100 % to the selected color.</property>
@@ -555,36 +553,36 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">5</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">5</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="colorfromft">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|colorfromft">_From Color:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">colorfromlb</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">colorfromlb</property>
                     <property name="xalign">0</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">4</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">4</property>
                     <property name="width">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkScale" id="angleslider">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="hexpand">True</property>
                     <property name="adjustment">angleadjustmentslider</property>
-                    <property name="draw_value">False</property>
+                    <property name="draw-value">False</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
               </object>
@@ -596,14 +594,14 @@
             </child>
             <child>
               <object class="GtkBox" id="box1">
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <child>
                   <object class="GtkLabel" id="label3">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|a11y_center_x">Center X</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">centerxmtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">centerxmtr</property>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -614,10 +612,10 @@
                 <child>
                   <object class="GtkLabel" id="label4">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|a11y_center_y">Center Y</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">centerymtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">centerymtr</property>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -628,10 +626,10 @@
                 <child>
                   <object class="GtkLabel" id="label5">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|a11y_percentage_from">From color percentage</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">colorfrommtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">colorfrommtr</property>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -642,10 +640,10 @@
                 <child>
                   <object class="GtkLabel" id="label6">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <property name="label" translatable="yes" context="gradientpage|a11y_percentage_to">To color percentage</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">colortomtr</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">colortomtr</property>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -665,7 +663,7 @@
         <child type="label">
           <object class="GtkLabel" id="propfl">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="label" translatable="yes" context="gradientpage|propfl">Options</property>
             <attributes>
               <attribute name="weight" value="bold"/>
@@ -682,33 +680,33 @@
     <child>
       <object class="GtkFrame" id="frame3">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can-focus">False</property>
         <property name="halign">end</property>
         <property name="valign">start</property>
-        <property name="label_xalign">0</property>
-        <property name="shadow_type">none</property>
+        <property name="label-xalign">0</property>
+        <property name="shadow-type">none</property>
         <child>
           <object class="GtkBox" id="box3">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="orientation">vertical</property>
+            <property name="can-focus">False</property>
             <property name="margin-start">12</property>
             <property name="margin-top">6</property>
+            <property name="orientation">vertical</property>
             <child>
               <object class="GtkScrolledWindow">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="hscrollbar_policy">never</property>
-                <property name="vscrollbar_policy">never</property>
-                <property name="shadow_type">in</property>
+                <property name="can-focus">False</property>
+                <property name="hscrollbar-policy">never</property>
+                <property name="vscrollbar-policy">never</property>
+                <property name="shadow-type">in</property>
                 <child>
                   <object class="GtkViewport">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <child>
                       <object class="GtkDrawingArea" id="previewctl">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <child internal-child="accessible">
                           <object class="AtkObject" id="previewctl-atkobject">
                             <property name="AtkObject::accessible-name" translatable="yes" context="gradientpage|previewctl-atkobject">Example</property>
@@ -730,7 +728,7 @@
         <child type="label">
           <object class="GtkLabel" id="label2">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="label" translatable="yes" context="gradientpage|label2">Preview</property>
             <attributes>
               <attribute name="weight" value="bold"/>
@@ -741,7 +739,7 @@
       <packing>
         <property name="expand">False</property>
         <property name="fill">False</property>
-        <property name="pack_type">end</property>
+        <property name="pack-type">end</property>
         <property name="position">2</property>
       </packing>
     </child>
diff --git a/cui/uiconfig/ui/transparencytabpage.ui b/cui/uiconfig/ui/transparencytabpage.ui
index c5c9a014c649..222acc29a2ba 100644
--- a/cui/uiconfig/ui/transparencytabpage.ui
+++ b/cui/uiconfig/ui/transparencytabpage.ui
@@ -1,82 +1,82 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.36.0 -->
+<!-- Generated with glade 3.40.0 -->
 <interface domain="cui">
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkAdjustment" id="adjustmentDegrees">
     <property name="upper">359</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent1">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent2">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent3">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent4">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkAdjustment" id="adjustmentPercent5">
     <property name="upper">100</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">10</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
   </object>
   <object class="GtkFrame" id="TransparencyTabPage">
     <property name="visible">True</property>
-    <property name="can_focus">False</property>
+    <property name="can-focus">False</property>
     <property name="valign">start</property>
     <property name="hexpand">True</property>
     <property name="vexpand">True</property>
-    <property name="border_width">6</property>
-    <property name="label_xalign">0</property>
-    <property name="shadow_type">none</property>
+    <property name="border-width">6</property>
+    <property name="label-xalign">0</property>
+    <property name="shadow-type">none</property>
     <child>
       <object class="GtkBox" id="box2">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="hexpand">True</property>
-        <property name="spacing">18</property>
+        <property name="can-focus">False</property>
         <property name="margin-start">12</property>
         <property name="margin-top">6</property>
+        <property name="hexpand">True</property>
+        <property name="spacing">18</property>
         <child>
           <object class="GtkBox" id="box1">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="valign">start</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
-              <!-- n-columns=1 n-rows=1 -->
+              <!-- n-columns=2 n-rows=3 -->
               <object class="GtkGrid" id="grid1">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="row_spacing">6</property>
-                <property name="column_spacing">12</property>
+                <property name="can-focus">False</property>
+                <property name="row-spacing">6</property>
+                <property name="column-spacing">12</property>
                 <child>
                   <object class="GtkRadioButton" id="RBT_TRANS_OFF">
                     <property name="label" translatable="yes" context="transparencytabpage|RBT_TRANS_OFF">_No transparency</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
-                    <property name="use_underline">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
+                    <property name="use-underline">True</property>
                     <property name="active">True</property>
-                    <property name="draw_indicator">True</property>
+                    <property name="draw-indicator">True</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="RBT_TRANS_OFF-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|RBT_TRANS_OFF">Turns off color transparency.</property>
@@ -84,18 +84,18 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkRadioButton" id="RBT_TRANS_LINEAR">
                     <property name="label" translatable="yes" context="transparencytabpage|RBT_TRANS_LINEAR">_Transparency:</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
-                    <property name="use_underline">True</property>
-                    <property name="draw_indicator">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
+                    <property name="use-underline">True</property>
+                    <property name="draw-indicator">True</property>
                     <property name="group">RBT_TRANS_OFF</property>
                     <accessibility>
                       <relation type="label-for" target="MTR_TRANSPARENT"/>
@@ -107,18 +107,18 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkRadioButton" id="RBT_TRANS_GRADIENT">
                     <property name="label" translatable="yes" context="transparencytabpage|RBT_TRANS_GRADIENT">_Gradient</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">False</property>
-                    <property name="use_underline">True</property>
-                    <property name="draw_indicator">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">False</property>
+                    <property name="use-underline">True</property>
+                    <property name="draw-indicator">True</property>
                     <property name="group">RBT_TRANS_OFF</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="RBT_TRANS_GRADIENT-atkobject">
@@ -127,20 +127,20 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRANSPARENT">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
+                    <property name="truncate-multiline">True</property>
                     <property name="adjustment">adjustmentPercent</property>
                     <accessibility>
                       <relation type="labelled-by" target="RBT_TRANS_LINEAR"/>
                     </accessibility>
-                    <property name="truncate-multiline">True</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRANSPARENT-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRANSPARENT">Adjusts the transparency of the current fill color. Enter a number between 0% (opaque) and 100% (transparent).</property>
@@ -148,8 +148,8 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
@@ -166,19 +166,19 @@
               </packing>
             </child>
             <child>
-              <!-- n-columns=1 n-rows=1 -->
+              <!-- n-columns=2 n-rows=7 -->
               <object class="GtkGrid" id="gridGradient">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="row_spacing">6</property>
-                <property name="column_spacing">12</property>
+                <property name="can-focus">False</property>
+                <property name="row-spacing">6</property>
+                <property name="column-spacing">12</property>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_END_VALUE">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentPercent5</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentPercent5</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_END_VALUE-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_END_VALUE">Enter a transparency value for the endpoint of the gradient, where 0% is fully opaque and 100% is fully transparent.</property>
@@ -186,17 +186,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">6</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">6</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_START_VALUE">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentPercent4</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentPercent4</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_START_VALUE-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_START_VALUE">Enter a transparency value for the beginning point of the gradient, where 0% is fully opaque and 100% is fully transparent.</property>
@@ -204,17 +204,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">5</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">5</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_BORDER">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentPercent3</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentPercent3</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_BORDER-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_BORDER">Enter the amount by which you want to adjust the transparent area of the gradient. The default value is 0%.</property>
@@ -222,17 +222,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">4</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">4</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_ANGLE">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentDegrees</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentDegrees</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_ANGLE-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_ANGLE">Enter a rotation angle for the gradient.</property>
@@ -240,17 +240,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_CENTER_Y">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentPercent2</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentPercent2</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_CENTER_Y-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_CENTER_Y">Enter the vertical offset for the gradient.</property>
@@ -258,17 +258,17 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkSpinButton" id="MTR_TRGR_CENTER_X">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="activates_default">True</property>
-                    <property name="adjustment">adjustmentPercent1</property>
+                    <property name="can-focus">True</property>
+                    <property name="activates-default">True</property>
                     <property name="truncate-multiline">True</property>
+                    <property name="adjustment">adjustmentPercent1</property>
                     <child internal-child="accessible">
                       <object class="AtkObject" id="MTR_TRGR_CENTER_X-atkobject">
                         <property name="AtkObject::accessible-description" translatable="yes" context="transparencytabpage|extended_tip|MTR_TRGR_CENTER_X">Enter the horizontal offset for the gradient.</property>
@@ -276,14 +276,14 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkComboBoxText" id="LB_TRGR_GRADIENT_TYPES">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <items>
                       <item translatable="yes" context="transparencytabpage|liststoreTYPE">Linear</item>
                       <item translatable="yes" context="transparencytabpage|liststoreTYPE">Axial</item>
@@ -299,113 +299,113 @@
                     </child>
                   </object>
                   <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">1</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_TYPE">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_TYPE">Ty_pe:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">LB_TRGR_GRADIENT_TYPES</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">LB_TRGR_GRADIENT_TYPES</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">0</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_CENTER_X">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_CENTER_X">Center _X:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_CENTER_X</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_CENTER_X</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">1</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_CENTER_Y">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_CENTER_Y">Center _Y:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_CENTER_Y</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_CENTER_Y</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">2</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_ANGLE">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_ANGLE">_Angle:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_ANGLE</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_ANGLE</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">3</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">3</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_BORDER">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_BORDER">_Border:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_BORDER</property>
-                    <property name="xalign">1</property>
+                    <property name="can-focus">False</property>
                     <property name="margin-start">12</property>
+                    <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_BORDER">Transition start:</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_BORDER</property>
+                    <property name="xalign">1</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">4</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">4</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_START_VALUE">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_START_VALUE">_Start value:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_START_VALUE</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_START_VALUE</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">5</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">5</property>
                   </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="FT_TRGR_END_VALUE">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
+                    <property name="margin-start">12</property>
                     <property name="label" translatable="yes" context="transparencytabpage|FT_TRGR_END_VALUE">_End value:</property>
-                    <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">MTR_TRGR_END_VALUE</property>
+                    <property name="use-underline">True</property>
+                    <property name="mnemonic-widget">MTR_TRGR_END_VALUE</property>
                     <property name="xalign">1</property>
-                    <property name="margin-start">12</property>
                   </object>
                   <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">6</property>
+                    <property name="left-attach">0</property>
+                    <property name="top-attach">6</property>
                   </packing>
                 </child>
               </object>
@@ -425,7 +425,7 @@
         <child>
           <object class="GtkBox" id="box3">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can-focus">False</property>
             <property name="valign">start</property>
             <property name="margin-end">12</property>
             <property name="hexpand">True</property>
@@ -435,20 +435,20 @@
             <child>
               <object class="GtkScrolledWindow" id="bitmap_border">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="hexpand">True</property>
                 <property name="vexpand">True</property>
-                <property name="hscrollbar_policy">never</property>
-                <property name="vscrollbar_policy">never</property>
-                <property name="shadow_type">in</property>
+                <property name="hscrollbar-policy">never</property>
+                <property name="vscrollbar-policy">never</property>
+                <property name="shadow-type">in</property>
                 <child>
                   <object class="GtkViewport">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <child>
                       <object class="GtkDrawingArea" id="CTL_IMAGE_PREVIEW">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="hexpand">True</property>
                         <property name="vexpand">True</property>
                         <child internal-child="accessible">
@@ -470,20 +470,20 @@
             <child>
               <object class="GtkScrolledWindow" id="trans_border">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="hexpand">True</property>
                 <property name="vexpand">True</property>
-                <property name="hscrollbar_policy">never</property>
-                <property name="vscrollbar_policy">never</property>
-                <property name="shadow_type">in</property>
+                <property name="hscrollbar-policy">never</property>
+                <property name="vscrollbar-policy">never</property>
+                <property name="shadow-type">in</property>
                 <child>
                   <object class="GtkViewport">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="can-focus">False</property>
                     <child>
                       <object class="GtkDrawingArea" id="CTL_TRANS_PREVIEW">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="hexpand">True</property>
                         <property name="vexpand">True</property>
                         <child internal-child="accessible">
@@ -505,7 +505,7 @@
             <child>
               <object class="GtkBox" id="box4">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="orientation">vertical</property>
                 <child>
                   <placeholder/>
@@ -529,7 +529,7 @@
     <child type="label">
       <object class="GtkLabel" id="FL_PROP">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can-focus">False</property>
         <property name="label" translatable="yes" context="transparencytabpage|FL_PROP">Area Transparency Mode</property>
         <property name="xalign">0</property>
         <attributes>
@@ -545,7 +545,7 @@
   </object>
   <object class="GtkSizeGroup" id="sizegroup2">
     <property name="mode">both</property>
-    <property name="ignore_hidden">True</property>
+    <property name="ignore-hidden">True</property>
     <widgets>
       <widget name="MTR_TRANSPARENT"/>
       <widget name="MTR_TRGR_END_VALUE"/>
@@ -559,7 +559,7 @@
   </object>
   <object class="GtkSizeGroup" id="sizegroup3">
     <property name="mode">both</property>
-    <property name="ignore_hidden">True</property>
+    <property name="ignore-hidden">True</property>
     <widgets>
       <widget name="box1"/>
       <widget name="box3"/>