[evolution/449-support-markdown-in-composer] Composer: Hide actions unrelated to Markdown modes

[Milan Crha <mcrha src gnome org>]

commit 65c1900141f3606e634cf3815045f38ec0bcfcdb
Author: Milan Crha <mcrha redhat com>
Date:   Tue Feb 8 12:01:43 2022 +0100

    Composer: Hide actions unrelated to Markdown modes

 src/composer/e-composer-actions.c  | 25 ++++++++++++
 src/e-util/e-html-editor-private.h |  1 +
 src/e-util/e-html-editor.c         | 79 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 105 insertions(+)
---
diff --git a/src/composer/e-composer-actions.c b/src/composer/e-composer-actions.c
index 9e59844936..67adb5e15d 100644
--- a/src/composer/e-composer-actions.c
+++ b/src/composer/e-composer-actions.c
@@ -569,6 +569,24 @@ eca_transform_mode_html_to_boolean_cb (GBinding *binding,
        return TRUE;
 }
 
+static gboolean
+eca_mode_to_bool_hide_in_markdown_cb (GBinding *binding,
+                                     const GValue *from_value,
+                                     GValue *to_value,
+                                     gpointer user_data)
+{
+       EContentEditorMode mode;
+
+       mode = g_value_get_enum (from_value);
+
+       g_value_set_boolean (to_value,
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN &&
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN_PLAIN_TEXT &&
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN_HTML);
+
+       return TRUE;
+}
+
 void
 e_composer_actions_init (EMsgComposer *composer)
 {
@@ -724,6 +742,13 @@ e_composer_actions_init (EMsgComposer *composer)
                e_html_editor_get_action (editor, "visually-wrap-long-lines"), "active",
                G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
 
+       e_binding_bind_property_full (
+               editor, "mode",
+               e_html_editor_get_action (editor, "visually-wrap-long-lines"), "visible",
+               G_BINDING_SYNC_CREATE,
+               eca_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
 #if defined (ENABLE_SMIME)
        visible = TRUE;
 #else
diff --git a/src/e-util/e-html-editor-private.h b/src/e-util/e-html-editor-private.h
index 23a4dc435d..8c95c57f95 100644
--- a/src/e-util/e-html-editor-private.h
+++ b/src/e-util/e-html-editor-private.h
@@ -86,6 +86,7 @@ struct _EHTMLEditorPrivate {
        GtkWidget *fg_color_combo_box;
        GtkWidget *bg_color_combo_box;
        GtkWidget *mode_combo_box;
+       GtkToolItem *mode_tool_item;
        GtkWidget *size_combo_box;
        GtkWidget *style_combo_box;
        GtkWidget *font_name_combo_box;
diff --git a/src/e-util/e-html-editor.c b/src/e-util/e-html-editor.c
index 8c5c4003ab..b2898fd4b6 100644
--- a/src/e-util/e-html-editor.c
+++ b/src/e-util/e-html-editor.c
@@ -765,6 +765,24 @@ html_editor_get_paste_plain_prefer_pre (EHTMLEditor *editor)
        return editor->priv->paste_plain_prefer_pre;
 }
 
+static gboolean
+e_html_editor_mode_to_bool_hide_in_markdown_cb (GBinding *binding,
+                                               const GValue *from_value,
+                                               GValue *to_value,
+                                               gpointer user_data)
+{
+       EContentEditorMode mode;
+
+       mode = g_value_get_enum (from_value);
+
+       g_value_set_boolean (to_value,
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN &&
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN_PLAIN_TEXT &&
+               mode != E_CONTENT_EDITOR_MODE_MARKDOWN_HTML);
+
+       return TRUE;
+}
+
 static void
 html_editor_set_property (GObject *object,
                           guint property_id,
@@ -925,6 +943,7 @@ html_editor_constructed (GObject *object)
        gtk_widget_set_tooltip_text (widget, _("Editing Mode"));
        gtk_toolbar_insert (toolbar, tool_item, 0);
        priv->mode_combo_box = g_object_ref (widget);
+       priv->mode_tool_item = g_object_ref (tool_item);
        gtk_widget_show_all (GTK_WIDGET (tool_item));
 
        /* Add some combo boxes to the "html" toolbar. */
@@ -969,6 +988,41 @@ html_editor_constructed (GObject *object)
        priv->font_name_combo_box = g_object_ref (widget);
        gtk_widget_show_all (GTK_WIDGET (tool_item));
 
+       e_binding_bind_property_full (
+               editor, "mode",
+               E_HTML_EDITOR_ACTION (editor, "paragraph-style-menu"), "visible",
+               G_BINDING_SYNC_CREATE,
+               e_html_editor_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
+       e_binding_bind_property_full (
+               editor, "mode",
+               E_HTML_EDITOR_ACTION (editor, "justify-menu"), "visible",
+               G_BINDING_SYNC_CREATE,
+               e_html_editor_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
+       e_binding_bind_property_full (
+               editor, "mode",
+               E_HTML_EDITOR_ACTION_WRAP_LINES (editor), "visible",
+               G_BINDING_SYNC_CREATE,
+               e_html_editor_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
+       e_binding_bind_property_full (
+               editor, "mode",
+               E_HTML_EDITOR_ACTION_INDENT (editor), "visible",
+               G_BINDING_SYNC_CREATE,
+               e_html_editor_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
+       e_binding_bind_property_full (
+               editor, "mode",
+               E_HTML_EDITOR_ACTION_UNINDENT (editor), "visible",
+               G_BINDING_SYNC_CREATE,
+               e_html_editor_mode_to_bool_hide_in_markdown_cb,
+               NULL, NULL, NULL);
+
        g_signal_connect_after (object, "realize", G_CALLBACK (html_editor_realize), NULL);
 
        settings = e_util_ref_settings ("org.gnome.evolution.mail");
@@ -1010,6 +1064,7 @@ html_editor_dispose (GObject *object)
        g_clear_object (&priv->fg_color_combo_box);
        g_clear_object (&priv->bg_color_combo_box);
        g_clear_object (&priv->mode_combo_box);
+       g_clear_object (&priv->mode_tool_item);
        g_clear_object (&priv->size_combo_box);
        g_clear_object (&priv->font_name_combo_box);
        g_clear_object (&priv->style_combo_box);
@@ -1632,10 +1687,34 @@ e_html_editor_set_mode (EHTMLEditor *editor,
                                        e_weak_ref_new (editor));
 
                                gtk_widget_hide (GTK_WIDGET (editor->priv->use_content_editor));
+
+                               if (E_IS_MARKDOWN_EDITOR (editor->priv->use_content_editor)) {
+                                       GtkToolbar *toolbar;
+
+                                       toolbar = e_markdown_editor_get_action_toolbar (E_MARKDOWN_EDITOR 
(editor->priv->use_content_editor));
+                                       gtk_container_remove (GTK_CONTAINER (toolbar), GTK_WIDGET 
(editor->priv->mode_tool_item));
+
+                                       toolbar = GTK_TOOLBAR (editor->priv->edit_toolbar);
+                                       gtk_toolbar_insert (toolbar, editor->priv->mode_tool_item, 0);
+
+                                       gtk_widget_show (GTK_WIDGET (editor->priv->edit_toolbar));
+                               }
                        }
 
                        gtk_widget_show (GTK_WIDGET (cnt_editor));
 
+                       if (E_IS_MARKDOWN_EDITOR (cnt_editor)) {
+                               GtkToolbar *toolbar;
+
+                               toolbar = GTK_TOOLBAR (editor->priv->edit_toolbar);
+                               gtk_container_remove (GTK_CONTAINER (toolbar), GTK_WIDGET 
(editor->priv->mode_tool_item));
+
+                               toolbar = e_markdown_editor_get_action_toolbar (E_MARKDOWN_EDITOR 
(cnt_editor));
+                               gtk_toolbar_insert (toolbar, editor->priv->mode_tool_item, 0);
+
+                               gtk_widget_hide (GTK_WIDGET (editor->priv->edit_toolbar));
+                       }
+
                        if (is_focused)
                                e_content_editor_grab_focus (cnt_editor);
                }