cssanimation: Compute progress correctly

We were computing the wrong progress, in particular when the iteration
count was non-integer.

Test included.

diff --git a/gtk/gtkcssanimation.c b/gtk/gtkcssanimation.c
index 601e4064cae79899eac7cd40ba3a2b874bc54ede..c1b10c7efdd51cb00be12cc3017573dadf084e40 100644 (file)
--- a/gtk/gtkcssanimation.c
+++ b/gtk/gtkcssanimation.c
@@ -68,37 +68,35 @@ static double
 gtk_css_animation_get_progress_from_iteration (GtkCssAnimation *animation,
                                                double           iteration)
 {
-  double d;
+  gboolean reverse;
+  double completed;
 
-  iteration = CLAMP (iteration, 0, animation->iteration_count);
+  iteration = CLAMP (iteration, 0.0, animation->iteration_count);
+  completed = floor (iteration);
 
   switch (animation->direction)
     {
     case GTK_CSS_DIRECTION_NORMAL:
-      if (iteration == animation->iteration_count)
-        return 1;
-      else
-        return iteration - floor (iteration);
+      reverse =   completed == iteration && iteration > 0;
+      break;
     case GTK_CSS_DIRECTION_REVERSE:
-      if (iteration == animation->iteration_count)
-        return 1;
-      else
-        return ceil (iteration) - iteration;
+      reverse = !(completed == iteration && iteration > 0);
+      break;
     case GTK_CSS_DIRECTION_ALTERNATE:
-      d = floor (iteration);
-      if (fmod (d, 2))
-        return 1 + d - iteration;
-      else
-        return iteration - d;
+      reverse =   fmod (iteration, 2) >= 1.0;
+      break;
     case GTK_CSS_DIRECTION_ALTERNATE_REVERSE:
-      d = floor (iteration);
-      if (fmod (d, 2))
-        return iteration - d;
-      else
-        return 1 + d - iteration;
+      reverse = !(fmod (iteration, 2) >= 1.0);
+      break;
     default:
-      g_return_val_if_reached (0);
+      g_return_val_if_reached (0.0);
     }
+
+  iteration -= completed;
+  if (reverse)
+    iteration = 1.0 - iteration;
+
+  return iteration;
 }
 
 static void

diff --git a/testsuite/reftests/Makefile.am b/testsuite/reftests/Makefile.am
index cd005233ccd055294adabe670ebf56edb7e4466f..0183508cb1c59cfa799a58012e7fee8984623f76 100644 (file)
--- a/testsuite/reftests/Makefile.am
+++ b/testsuite/reftests/Makefile.am
@@ -83,6 +83,9 @@ testdata = \
        animation-direction.css \
        animation-direction.ref.ui \
        animation-direction.ui \
+       animation-fill-mode-iteration-count.css \
+       animation-fill-mode-iteration-count.ref.ui \
+       animation-fill-mode-iteration-count.ui \
        background-area.css \
        background-area.ref.ui \
        background-area.ui \

diff --git a/testsuite/reftests/animation-fill-mode-iteration-count.css b/testsuite/reftests/animation-fill-mode-iteration-count.css
new file mode 100644 (file)
index 0000000..db65050
--- /dev/null
+++ b/testsuite/reftests/animation-fill-mode-iteration-count.css
@@ -0,0 +1,83 @@
+@keyframes cssrocks {
+  from { background-color: yellow; }
+  to   { background-color: red; }
+}
+
+box {
+  background-color: blue;
+  animation-fill-mode: both;
+  animation-duration: 100s;
+  padding: 1px;
+  background-clip: content-box;
+  animation-timing-function: linear;
+}
+
+.after {
+  animation-name: cssrocks;
+  animation-delay: -10000s;
+}
+
+.before {
+  animation-name: cssrocks;
+  animation-delay: 10000s;
+}
+
+.normal {
+  animation-direction: normal;
+}
+
+.reverse {
+  animation-direction: reverse;
+}
+
+.alternate {
+  animation-direction: alternate;
+}
+
+.alternate-reverse {
+  animation-direction: alternate-reverse;
+}
+
+.x0 {
+  animation-iteration-count: 0;
+}
+
+.x02 {
+  animation-iteration-count: 0.2;
+}
+
+.x1 {
+  animation-iteration-count: 1;
+}
+
+.x12 {
+  animation-iteration-count: 1.2;
+}
+
+.x2 {
+  animation-iteration-count: 2;
+}
+
+.x22 {
+  animation-iteration-count: 2.2;
+}
+
+.yellow {
+  animation: none;
+  background-color: yellow;
+}
+
+.red {
+  animation: none;
+  background-color: red;
+}
+
+.darkorange {
+  animation: none;
+  background-color: rgb(255,51,0);
+}
+
+.lightorange {
+  animation: none;
+  background-color: rgb(255,204,0);
+}

diff --git a/testsuite/reftests/animation-fill-mode-iteration-count.ref.ui b/testsuite/reftests/animation-fill-mode-iteration-count.ref.ui
new file mode 100644 (file)
index 0000000..914e4e8
--- /dev/null
+++ b/testsuite/reftests/animation-fill-mode-iteration-count.ref.ui
@@ -0,0 +1,1117 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.19.0 -->
+<interface>
+  <requires lib="gtk+" version="3.16"/>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkGrid" id="grid1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <child>
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">normal</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label2">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">reverse</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label3">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">alternate</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label4">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">alternate-reverse</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label12">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+2⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">12</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box31">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="lightorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">12</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box32">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="darkorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">12</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box30">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="lightorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">12</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box29">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="darkorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">12</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box28">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box27">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box26">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box18">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label11">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+2⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label10">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+2x</property>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box25">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box24">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box23">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box22">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box21">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box20">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box19">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box17">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label9">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+2x</property>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label8">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+1⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box10">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="lightorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box16">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="darkorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box15">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="darkorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box14">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="lightorange"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label7">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+1⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box9">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box11">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="red"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box12">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="yellow"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box13">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
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diff --git a/testsuite/reftests/animation-fill-mode-iteration-count.ui b/testsuite/reftests/animation-fill-mode-iteration-count.ui
new file mode 100644 (file)
index 0000000..cfb64c7
--- /dev/null
+++ b/testsuite/reftests/animation-fill-mode-iteration-count.ui
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+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box26">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x22"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box27">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x22"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box28">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x22"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">11</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box22">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="after"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box23">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="after"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box24">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="after"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box25">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="after"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label10">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+2x</property>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label9">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+2x</property>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box17">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="before"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box19">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box20">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box21">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x2"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label8">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+1⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box10">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="after"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box16">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="after"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box15">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="after"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box14">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="after"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box13">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box12">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box11">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box9">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="before"/>
+              <class name="x12"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label7">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+1⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label6">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+1x</property>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box5">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="after"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box6">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="after"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box7">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="after"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box8">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="after"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label5">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+1x</property>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box1">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="before"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box2">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box3">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box4">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x1"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label13">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label14">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+⅕x</property>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box33">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="before"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box34">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="after"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box35">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="after"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box36">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box37">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box38">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="after"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box39">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box40">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="after"/>
+              <class name="x02"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label15">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">&lt;--
+0x</property>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label16">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">--&gt;
+0x</property>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box41">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="before"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box42">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="normal"/>
+              <class name="after"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box43">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="after"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box44">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="after"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box45">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="after"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box46">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate-reverse"/>
+              <class name="before"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box47">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="alternate"/>
+              <class name="before"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="box48">
+            <property name="width_request">50</property>
+            <property name="height_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+            <child>
+              <placeholder/>
+            </child>
+            <style>
+              <class name="reverse"/>
+              <class name="before"/>
+              <class name="x0"/>
+            </style>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>