main-window: Use AdwDialog for USSD

We grab the focus hence making the text entry easy to identify and by
following the content size we get a reasonable width.

Closes: https://gitlab.gnome.org/GNOME/calls/-/issues/681

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Part-of: <https://gitlab.gnome.org/GNOME/calls/-/merge_requests/761>

src/calls-main-window.c

@@ -58,7 +58,7 @@ struct _CallsMainWindow {
   CallsAccountOverview   *account_overview;
   CallsNewCallBox        *new_call;
 
-  GtkWindow              *ussd_dialog;
+  AdwDialog              *ussd_dialog;
   GtkStack               *ussd_stack;
   GtkSpinner             *ussd_spinner;
   GtkBox                 *ussd_content;
@@ -150,6 +150,8 @@ window_update_ussd_state (CallsMainWindow *self,
                           state == CALLS_USSD_STATE_USER_RESPONSE);
   gtk_widget_set_visible (GTK_WIDGET (self->ussd_entry),
                           state == CALLS_USSD_STATE_USER_RESPONSE);
+  if (state == CALLS_USSD_STATE_USER_RESPONSE)
+    gtk_widget_grab_focus (GTK_WIDGET (self->ussd_entry));
 
   if (state == CALLS_USSD_STATE_USER_RESPONSE ||
       state == CALLS_USSD_STATE_ACTIVE)
@@ -173,25 +175,33 @@ window_ussd_added_cb (CallsMainWindow *self,
   g_object_set_data_full (G_OBJECT (self->ussd_dialog), "ussd",
                           g_object_ref (ussd), g_object_unref);
   window_update_ussd_state (self, ussd);
-  gtk_window_set_title (self->ussd_dialog, _("USSD"));
-  gtk_window_present (self->ussd_dialog);
 }
 
+
 static void
-window_ussd_cancel_clicked_cb (CallsMainWindow *self)
+ussd_dialog_closed_cb (CallsMainWindow *self)
 {
   CallsUssd *ussd;
 
   g_assert (CALLS_IS_MAIN_WINDOW (self));
 
   ussd = g_object_get_data (G_OBJECT (self->ussd_dialog), "ussd");
-
   if (ussd)
     calls_ussd_cancel_async (ussd, NULL, NULL, NULL);
-
-  gtk_window_close (self->ussd_dialog);
 }
 
+
+static void
+window_ussd_cancel_clicked_cb (CallsMainWindow *self)
+{
+  g_assert (CALLS_IS_MAIN_WINDOW (self));
+
+  ussd_dialog_closed_cb (self);
+
+  adw_dialog_close (self->ussd_dialog);
+}
+
+
 static void
 window_ussd_entry_changed_cb (CallsMainWindow *self,
                               GtkEntry        *entry)
@@ -222,7 +232,7 @@ window_ussd_respond_cb (GObject      *object,
   response = calls_ussd_respond_finish (ussd, result, &error);
 
   if (error) {
-    gtk_window_close (self->ussd_dialog);
+    adw_dialog_close (self->ussd_dialog);
     g_warning ("USSD Error: %s", error->message);
     return;
   }
@@ -267,7 +277,7 @@ main_window_ussd_send_cb (GObject      *object,
   ussd = g_task_get_task_data (G_TASK (result));
 
   if (error) {
-    gtk_window_close (self->ussd_dialog);
+    adw_dialog_close (self->ussd_dialog);
     g_warning ("USSD Error: %s", error->message);
     return;
   }
@@ -348,7 +358,6 @@ constructed (GObject *object)
                            G_CALLBACK (window_update_ussd_state),
                            self,
                            G_CONNECT_SWAPPED);
-  gtk_window_set_transient_for (self->ussd_dialog, GTK_WINDOW (self));
 
   // Add call records
   history = calls_history_box_new (self->record_store);
@@ -460,6 +469,12 @@ static void
 calls_main_window_init (CallsMainWindow *self)
 {
   gtk_widget_init_template (GTK_WIDGET (self));
+
+  g_signal_connect_object (self->ussd_dialog,
+                           "closed",
+                           G_CALLBACK (ussd_dialog_closed_cb),
+                           self,
+                           G_CONNECT_SWAPPED);
 }
 
 
@@ -490,7 +505,7 @@ calls_main_window_dial (CallsMainWindow *self,
     calls_new_call_box_send_ussd_async (self->new_call, target, NULL,
                                         main_window_ussd_send_cb, self);
 
-    gtk_window_present (self->ussd_dialog);
+    adw_dialog_present (self->ussd_dialog, GTK_WIDGET (self));
   } else {
     calls_new_call_box_dial (self->new_call, target);
   }

src/ui/main-window.ui

@@ -60,13 +60,14 @@
       </object>
     </child>
   </template>
-  <object class="GtkWindow" id="ussd_dialog">
+
-    <property name="modal">True</property>
+  <object class="AdwDialog" id="ussd_dialog">
-    <property name="default-width">240</property>
-    <property name="default-height">200</property>
-    <property name="hide-on-close">True</property>
     <property name="default-widget">ussd_entry</property>
-    <child type="titlebar">
+    <property name="title" translatable="yes">USSD</property>
+    <property name="follows-content-size">True</property>
+    <property name="child">
+      <object class="AdwToolbarView">
+    <child type="top">
       <object class="AdwHeaderBar">
         <property name="show-start-title-buttons">False</property>
         <property name="show-end-title-buttons">False</property>
@@ -84,7 +85,7 @@
             <property name="focus-on-click">False</property>
             <property name="use-underline">True</property>
             <property name="label" translatable="yes">_Close</property>
-            <signal name="clicked" handler="gtk_window_close" object="ussd_dialog" swapped="yes"/>
+            <signal name="clicked" handler="gtk_widget_hide" object="ussd_dialog" swapped="yes"/>
           </object>
         </child>
         <child type="end">
@@ -101,16 +102,18 @@
         </child>
       </object>
     </child>
-    <child>
+    <property name="content">
       <object class="GtkBox">
-        <property name="hexpand">True</property>
-        <property name="vexpand">True</property>
         <property name="margin-start">12</property>
         <property name="margin-end">12</property>
         <property name="margin-top">12</property>
         <property name="margin-bottom">12</property>
         <child>
           <object class="GtkStack" id="ussd_stack">
+            <property name="hexpand">True</property>
+            <property name="vexpand">True</property>
+            <property name="halign">center</property>
+            <property name="valign">center</property>
             <child>
               <object class="GtkBox" id="ussd_content">
                 <property name="orientation">vertical</property>
@@ -139,8 +142,11 @@
           </object>
         </child>
       </object>
-    </child>
+    </property>
+      </object>
+    </property>
   </object>
+
   <menu id="app-menu">
     <section>
       <item>