[gnome-calendar/gbsneto/gtk4: 13/34] event-editor/dialog: Port to GTK4

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b72444ad1454f18a6a3e3292caa430f7f1cf1c19
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Jan 14 11:22:37 2022 -0300

    event-editor/dialog: Port to GTK4

 src/gui/event-editor/gcal-event-editor-dialog.c  |  6 +-
 src/gui/event-editor/gcal-event-editor-dialog.ui | 70 ++++-----------------
 src/utils/gcal-utils.c                           | 78 ++++++++++++------------
 3 files changed, 55 insertions(+), 99 deletions(-)
---
diff --git a/src/gui/event-editor/gcal-event-editor-dialog.c b/src/gui/event-editor/gcal-event-editor-dialog.c
index 69b1a82e..83a26c27 100644
--- a/src/gui/event-editor/gcal-event-editor-dialog.c
+++ b/src/gui/event-editor/gcal-event-editor-dialog.c
@@ -31,7 +31,6 @@
 #include "gcal-schedule-section.h"
 #include "gcal-summary-section.h"
 
-#include <dazzle.h>
 #include <libecal/libecal.h>
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
@@ -59,7 +58,7 @@ struct _GcalEventEditorDialog
   GcalEventEditorSection *reminders_section;
   GcalEventEditorSection *schedule_section;
   GtkWidget              *sources_button;
-  GtkWidget              *sources_popover;
+  GtkPopoverMenu         *sources_popover;
   GtkWidget              *source_image;
   GtkWidget              *source_label;
   GtkWidget              *subtitle_label;
@@ -182,7 +181,8 @@ fill_sources_menu (GcalEventEditorDialog *self)
       g_menu_append_item (self->sources_menu, item);
     }
 
-  gtk_popover_bind_model (GTK_POPOVER (self->sources_popover), G_MENU_MODEL (self->sources_menu), "edit");
+  gtk_popover_menu_set_menu_model (self->sources_popover,
+                                   G_MENU_MODEL (self->sources_menu));
 
   /* HACK: show the popover menu icons */
   fix_popover_menu_icons (GTK_POPOVER (self->sources_popover));
diff --git a/src/gui/event-editor/gcal-event-editor-dialog.ui 
b/src/gui/event-editor/gcal-event-editor-dialog.ui
index f919a4ef..7086747a 100644
--- a/src/gui/event-editor/gcal-event-editor-dialog.ui
+++ b/src/gui/event-editor/gcal-event-editor-dialog.ui
@@ -1,37 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="GcalEventEditorDialog" parent="GtkDialog">
-    <property name="can_focus">False</property>
     <property name="modal">True</property>
     <property name="default-width">450</property>
     <property name="default-height">500</property>
-    <property name="window_position">center-on-parent</property>
     <property name="use_header_bar">1</property>
     <property name="destroy_with_parent">True</property>
-    <property name="type_hint">dialog</property>
+    <property name="hide-on-close">True</property>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="titlebar">
-        <property name="visible">True</property>
+        <property name="show-title-buttons">False</property>
         <child>
           <object class="GtkButton" id="cancel_button">
             <property name="label" translatable="yes">Cancel</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
             <signal name="clicked" handler="on_cancel_button_clicked_cb" object="GcalEventEditorDialog" 
swapped="no"/>
           </object>
         </child>
         <child>
           <object class="GtkImage" id="lock">
-            <property name="visible" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default|invert-boolean" />
+            <property name="visible" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default|invert-boolean|sync-create" />
             <property name="icon_name">changes-prevent-symbolic</property>
-            <property name="icon_size">1</property>
           </object>
         </child>
         <child type="title">
           <object class="GtkMenuButton" id="sources_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="receives_default">True</property>
             <property name="popover">sources_popover</property>
             <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
             <property name="tooltip-text" translatable="yes">Click to select the calendar</property>
@@ -41,19 +33,13 @@
             </style>
             <child>
               <object class="GtkBox">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="spacing">6</property>
                 <child>
                   <object class="GtkBox" id="title_label_box">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
                     <property name="orientation">vertical</property>
                     <property name="valign">center</property>
                     <child>
                       <object class="GtkLabel" id="title_label">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
                         <property name="ellipsize">middle</property>
                         <property name="max_width_chars">40</property>
                         <style>
@@ -63,14 +49,10 @@
                     </child>
                     <child>
                       <object class="GtkBox" id="subtitle_box">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
                         <property name="orientation">horizontal</property>
                         <property name="halign">center</property>
                         <child>
                           <object class="GtkImage" id="source_image">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
                             <style>
                               <class name="calendar-color-image"/>
                             </style>
@@ -78,8 +60,6 @@
                         </child>
                         <child>
                           <object class="GtkLabel" id="subtitle_label">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
                             <style>
                               <class name="subtitle"/>
                             </style>
@@ -94,8 +74,6 @@
                 </child>
                 <child>
                   <object class="GtkImage" id="pan_down_image">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
                     <property name="icon_name">pan-down-symbolic</property>
                   </object>
                 </child>
@@ -103,40 +81,28 @@
             </child>
           </object>
         </child>
-        <child>
+        <child type="end">
           <object class="GtkButton" id="done_button">
             <property name="label" translatable="yes">Done</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="receives_default">True</property>
             <signal name="clicked" handler="on_done_button_clicked_cb" object="GcalEventEditorDialog" 
swapped="no"/>
             <style>
               <class name="suggested-action"/>
             </style>
           </object>
-          <packing>
-            <property name="pack_type">end</property>
-          </packing>
         </child>
       </object>
     </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox">
-        <property name="visible">true</property>
-        <property name="spacing">0</property>
-        <property name="border_width">0</property>
+    <child>
+      <object class="GtkBox">
         <child>
-          <object class="HdyPreferencesPage">
-            <property name="visible">True</property>
+          <object class="AdwPreferencesPage">
             <property name="vexpand">True</property>
 
             <!-- Summary -->
             <child>
-              <object class="HdyPreferencesGroup">
-                <property name="visible">True</property>
+              <object class="AdwPreferencesGroup">
                 <child>
                   <object class="GcalSummarySection" id="summary_section">
-                    <property name="visible">True</property>
                     <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
                   </object>
                 </child>
@@ -145,12 +111,10 @@
 
             <!-- Schedule -->
             <child>
-              <object class="HdyPreferencesGroup">
-                <property name="visible">True</property>
+              <object class="AdwPreferencesGroup">
                 <property name="title" translatable="yes">Schedule</property>
                 <child>
                   <object class="GcalScheduleSection" id="schedule_section">
-                    <property name="visible">True</property>
                     <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
                   </object>
                 </child>
@@ -159,12 +123,10 @@
 
             <!-- Reminders -->
             <child>
-              <object class="HdyPreferencesGroup">
-                <property name="visible">True</property>
+              <object class="AdwPreferencesGroup">
                 <property name="title" translatable="yes">Reminders</property>
                 <child>
                   <object class="GcalRemindersSection" id="reminders_section">
-                    <property name="visible">True</property>
                     <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
                   </object>
                 </child>
@@ -173,12 +135,10 @@
 
             <!-- Notes -->
             <child>
-              <object class="HdyPreferencesGroup">
-                <property name="visible">True</property>
+              <object class="AdwPreferencesGroup">
                 <property name="title" translatable="yes">Notes</property>
                 <child>
                   <object class="GcalNotesSection" id="notes_section">
-                    <property name="visible">True</property>
                     <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
                   </object>
                 </child>
@@ -187,18 +147,14 @@
 
             <!-- Delete Button -->
             <child>
-              <object class="HdyPreferencesGroup">
-                <property name="visible">True</property>
+              <object class="AdwPreferencesGroup">
                 <child>
                   <object class="GtkButton" id="delete_button">
-                    <property name="visible">True</property>
                     <property name="halign">end</property>
-                    <property name="can_focus">True</property>
                     <signal name="clicked" handler="on_delete_button_clicked_cb" 
object="GcalEventEditorDialog" swapped="no"/>
                     <property name="sensitive" bind-source="GcalEventEditorDialog" bind-property="writable" 
bind-flags="default" />
                     <child>
                       <object class="GtkLabel" id="delete_label">
-                        <property name="visible">True</property>
                         <property name="label" translatable="yes">Delete Event</property>
                       </object>
                     </child>
@@ -215,7 +171,7 @@
       </object>
     </child>
   </template>
-  <object class="GtkPopover" id="sources_popover">
+  <object class="GtkPopoverMenu" id="sources_popover">
   </object>
   <object class="GtkSizeGroup">
     <property name="mode">vertical</property>
diff --git a/src/utils/gcal-utils.c b/src/utils/gcal-utils.c
index 977dd5ee..e3b0d6d1 100644
--- a/src/utils/gcal-utils.c
+++ b/src/utils/gcal-utils.c
@@ -710,64 +710,53 @@ fix_popover_menu_icons (GtkPopover *popover)
   GtkWidget *popover_stack;
   GtkWidget *menu_section;
   GtkWidget *menu_section_box;
-  GList *stack_children;
-  GList *menu_section_children;
-  GList *menu_section_box_children, *aux;
+  GtkWidget *widget;
+  GtkWidget *child;
 
-  popover_stack = gtk_bin_get_child (GTK_BIN (popover));
-  stack_children = gtk_container_get_children (GTK_CONTAINER (popover_stack));
+  /* GtkScrolledWindow */
+  widget = gtk_popover_get_child (GTK_POPOVER (popover));
 
-  /**
-   * At the moment, the popover stack surely contains only
-   * one child of type GtkMenuSectionBox, which contains
-   * a single GtkBox.
-   */
-  menu_section = stack_children->data;
-  menu_section_children = gtk_container_get_children (GTK_CONTAINER (menu_section));
+  /* GtkViewport */
+  widget = gtk_scrolled_window_get_child (GTK_SCROLLED_WINDOW (widget));
+
+  /* GtkStack */
+  popover_stack = gtk_viewport_get_child (GTK_VIEWPORT (widget));
+
+  menu_section = gtk_widget_get_first_child (popover_stack);
 
        /**
         * Get the unique box's children.
         */
-  menu_section_box = menu_section_children->data;
-  menu_section_box_children = gtk_container_get_children (GTK_CONTAINER (menu_section_box));
+  menu_section_box = gtk_widget_get_first_child (menu_section);
 
-  gtk_style_context_add_class (gtk_widget_get_style_context (menu_section_box), "calendars-list");
+  gtk_widget_add_css_class (menu_section_box, "calendars-list");
 
   /**
    * Iterate through the GtkModelButtons inside the menu section box.
    */
-  for (aux = menu_section_box_children; aux != NULL; aux = aux->next)
+  for (child = gtk_widget_get_first_child (menu_section_box);
+       child;
+       child = gtk_widget_get_next_sibling (child))
     {
-      GtkWidget *button_box;
-      GList *button_box_children, *aux2;
-
-      button_box = gtk_bin_get_child (GTK_BIN (aux->data));
-      button_box_children = gtk_container_get_children (GTK_CONTAINER (button_box));
+      GtkWidget *child2;
 
       /**
        * Since there is no guarantee that the first child is
        * the GtkImage we're looking for, we have to iterate
        * through the children and check if the types match.
        */
-      for (aux2 = button_box_children; aux2 != NULL; aux2 = aux2->next)
+      for (child2 = gtk_widget_get_first_child (child);
+           child2;
+           child2 = gtk_widget_get_next_sibling (child2))
         {
-          GtkWidget *button_box_child;
-          button_box_child = aux2->data;
-
-          if (g_type_is_a (G_OBJECT_TYPE (button_box_child), GTK_TYPE_IMAGE))
+          if (GTK_IS_IMAGE (child2))
             {
-              gtk_style_context_add_class (gtk_widget_get_style_context (button_box_child), 
"calendar-color-image");
-              gtk_widget_show (button_box_child);
+              gtk_widget_add_css_class (child2, "calendar-color-image");
+              gtk_widget_show (child2);
               break;
             }
         }
-
-      g_list_free (button_box_children);
     }
-
-  g_list_free (stack_children);
-  g_list_free (menu_section_children);
-  g_list_free (menu_section_box_children);
 }
 
 /**
@@ -952,6 +941,14 @@ is_source_enabled (ESource *source)
   return e_source_selectable_get_selected (selectable);
 }
 
+static void
+on_dialog_response_cb (GtkDialog *dialog,
+                       gint       response,
+                       gint      *out_response)
+{
+  *out_response = response;
+}
+
 /**
  * ask_recurrence_modification_type:
  * @parent: a #GtkWidget
@@ -976,12 +973,12 @@ ask_recurrence_modification_type (GtkWidget             *parent,
   ECalClient *client;
   GtkWidget *dialog;
   gboolean is_set;
-  gint result;
+  gint result = 0;
 
   flags = GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT;
   *modtype = GCAL_RECURRENCE_MOD_THIS_ONLY;
 
-  dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (parent)),
+  dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_native (parent)),
                                    flags,
                                    GTK_MESSAGE_QUESTION,
                                    GTK_BUTTONS_NONE,
@@ -1000,10 +997,13 @@ ask_recurrence_modification_type (GtkWidget             *parent,
     gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Subsequent events"), GTK_RESPONSE_OK);
 
   gtk_dialog_add_button (GTK_DIALOG (dialog), _("_All events"), GTK_RESPONSE_YES);
+  gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (gtk_widget_get_native (parent)));
+  g_signal_connect (dialog, "response", G_CALLBACK (on_dialog_response_cb), &result);
 
-  gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (gtk_widget_get_toplevel (parent)));
+  gtk_window_present (GTK_WINDOW (dialog));
 
-  result = gtk_dialog_run (GTK_DIALOG (dialog));
+  while (result == 0)
+    g_main_context_iteration (NULL, TRUE);
 
   switch (result)
     {
@@ -1027,7 +1027,7 @@ ask_recurrence_modification_type (GtkWidget             *parent,
         break;
     }
 
-  gtk_widget_destroy (GTK_WIDGET (dialog));
+  gtk_window_destroy (GTK_WINDOW (dialog));
 
   return is_set;
 }