month-view: Port to GTK4

src/gui/views/gcal-month-view.ui

@@ -1,20 +1,43 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <template class="GcalMonthView" parent="GtkContainer">
+  <template class="GcalMonthView" parent="GtkWidget">
+
+    <child>
+      <object class="GtkGestureClick">
+        <property name="button">1</property>
+        <signal name="pressed" handler="on_click_gesture_pressed_cb" object="GcalMonthView" swapped="no" />
+        <signal name="released" handler="on_click_gesture_released_cb" object="GcalMonthView" swapped="no" />
+      </object>
+    </child>
+
+    <child>
+      <object class="GtkEventControllerMotion" id="motion_controller">
+        <property name="propagation-phase">none</property>
+        <signal name="motion" handler="on_motion_controller_motion_cb" object="GcalMonthView" swapped="no" />
+      </object>
+    </child>
+
+    <child>
+      <object class="GtkEventControllerKey">
+        <signal name="key-pressed" handler="on_key_controller_key_pressed_cb" object="GcalMonthView" swapped="no" />
+      </object>
+    </child>
+
+    <child>
+      <object class="GtkEventControllerScroll">
+        <property name="flags">vertical</property>
+        <signal name="scroll" handler="on_scroll_controller_scrolled_cb" object="GcalMonthView" swapped="no" />
+      </object>
+    </child>
 
     <!-- Header -->
     <child type="header">
       <object class="GtkBox">
-        <property name="visible">true</property>
-        <property name="can_focus">false</property>
         <property name="orientation">vertical</property>
         <child>
           <object class="GtkBox">
-            <property name="visible">true</property>
             <child>
               <object class="GtkLabel" id="month_label">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -24,8 +47,6 @@
             </child>
             <child>
               <object class="GtkLabel" id="year_label">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">1.0</property>
                 <style>
@@ -38,15 +59,12 @@
 
         <child>
           <object class="GtkBox">
-            <property name="visible">true</property>
             <property name="spacing">6</property>
             <property name="margin-start">6</property>
             <property name="margin-end">6</property>
             <property name="margin-bottom">6</property>
             <child>
               <object class="GtkLabel" id="label_0">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -57,8 +75,6 @@
 
             <child>
               <object class="GtkLabel" id="label_1">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -69,8 +85,6 @@
 
             <child>
               <object class="GtkLabel" id="label_2">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -81,8 +95,6 @@
 
             <child>
               <object class="GtkLabel" id="label_3">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -93,8 +105,6 @@
 
             <child>
               <object class="GtkLabel" id="label_4">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -105,8 +115,6 @@
 
             <child>
               <object class="GtkLabel" id="label_5">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -117,8 +125,6 @@
 
             <child>
               <object class="GtkLabel" id="label_6">
-                <property name="visible">true</property>
-                <property name="can_focus">false</property>
                 <property name="hexpand">true</property>
                 <property name="xalign">0.0</property>
                 <style>
@@ -135,8 +141,6 @@
     <!-- Grid -->
     <child type="grid">
       <object class="GtkGrid" id="grid">
-        <property name="visible">true</property>
-        <property name="can-focus">false</property>
         <property name="row-homogeneous">true</property>
         <property name="column-homogeneous">true</property>
       </object>