[tepl] StyleSchemeChooserWidget: implementation
- From: Sébastien Wilmet <swilmet src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [tepl] StyleSchemeChooserWidget: implementation
- Date: Wed, 22 Apr 2020 13:58:19 +0000 (UTC)
commit 9a266e71dd0245dcd8da8e75c4cda615394258b8
Author: Sébastien Wilmet <swilmet gnome org>
Date: Wed Apr 22 02:00:29 2020 +0200
StyleSchemeChooserWidget: implementation
tepl/tepl-style-scheme-chooser-widget.c | 246 ++++++++++++++++++++++++++++++--
tepl/tepl-style-scheme-chooser-widget.h | 9 +-
2 files changed, 244 insertions(+), 11 deletions(-)
---
diff --git a/tepl/tepl-style-scheme-chooser-widget.c b/tepl/tepl-style-scheme-chooser-widget.c
index fd62e89..136ebf8 100644
--- a/tepl/tepl-style-scheme-chooser-widget.c
+++ b/tepl/tepl-style-scheme-chooser-widget.c
@@ -22,16 +22,18 @@
struct _TeplStyleSchemeChooserWidgetPrivate
{
- gint something;
+ GtkListBox *list_box;
};
enum
{
PROP_0,
PROP_STYLE_SCHEME,
- N_PROPERTIES
+ PROP_TEPL_STYLE_SCHEME_ID
};
+#define LIST_BOX_ROW_STYLE_SCHEME_KEY "style-scheme-key"
+
static void gtk_source_style_scheme_chooser_interface_init (gpointer g_iface,
gpointer iface_data);
@@ -42,18 +44,62 @@ G_DEFINE_TYPE_WITH_CODE (TeplStyleSchemeChooserWidget,
G_IMPLEMENT_INTERFACE (GTK_SOURCE_TYPE_STYLE_SCHEME_CHOOSER,
gtk_source_style_scheme_chooser_interface_init))
+static void
+list_box_row_set_style_scheme (GtkListBoxRow *list_box_row,
+ GtkSourceStyleScheme *style_scheme)
+{
+ g_object_set_data_full (G_OBJECT (list_box_row),
+ LIST_BOX_ROW_STYLE_SCHEME_KEY,
+ g_object_ref (style_scheme),
+ g_object_unref);
+}
+
+/* Returns: (transfer none). */
+static GtkSourceStyleScheme *
+list_box_row_get_style_scheme (GtkListBoxRow *list_box_row)
+{
+ return g_object_get_data (G_OBJECT (list_box_row), LIST_BOX_ROW_STYLE_SCHEME_KEY);
+}
+
+static gboolean
+style_scheme_equal (GtkSourceStyleScheme *style_scheme1,
+ GtkSourceStyleScheme *style_scheme2)
+{
+ const gchar *id1;
+ const gchar *id2;
+
+ if (style_scheme1 == style_scheme2)
+ {
+ return TRUE;
+ }
+
+ if (style_scheme1 == NULL || style_scheme2 == NULL)
+ {
+ return FALSE;
+ }
+
+ id1 = gtk_source_style_scheme_get_id (style_scheme1);
+ id2 = gtk_source_style_scheme_get_id (style_scheme2);
+ return g_strcmp0 (id1, id2) == 0;
+}
+
static void
tepl_style_scheme_chooser_widget_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
- GtkSourceStyleSchemeChooser *chooser = GTK_SOURCE_STYLE_SCHEME_CHOOSER (object);
+ GtkSourceStyleSchemeChooser *gsv_chooser = GTK_SOURCE_STYLE_SCHEME_CHOOSER (object);
+ TeplStyleSchemeChooserWidget *tepl_chooser = TEPL_STYLE_SCHEME_CHOOSER_WIDGET (object);
switch (prop_id)
{
case PROP_STYLE_SCHEME:
- g_value_set_object (value, gtk_source_style_scheme_chooser_get_style_scheme
(chooser));
+ g_value_set_object (value, gtk_source_style_scheme_chooser_get_style_scheme
(gsv_chooser));
+ break;
+
+ case PROP_TEPL_STYLE_SCHEME_ID:
+ g_value_take_string (value, tepl_style_scheme_chooser_widget_get_style_scheme_id
(tepl_chooser));
break;
default:
@@ -68,12 +114,17 @@ tepl_style_scheme_chooser_widget_set_property (GObject *object,
const GValue *value,
GParamSpec *pspec)
{
- GtkSourceStyleSchemeChooser *chooser = GTK_SOURCE_STYLE_SCHEME_CHOOSER (object);
+ GtkSourceStyleSchemeChooser *gsv_chooser = GTK_SOURCE_STYLE_SCHEME_CHOOSER (object);
+ TeplStyleSchemeChooserWidget *tepl_chooser = TEPL_STYLE_SCHEME_CHOOSER_WIDGET (object);
switch (prop_id)
{
case PROP_STYLE_SCHEME:
- gtk_source_style_scheme_chooser_set_style_scheme (chooser, g_value_get_object
(value));
+ gtk_source_style_scheme_chooser_set_style_scheme (gsv_chooser, g_value_get_object
(value));
+ break;
+
+ case PROP_TEPL_STYLE_SCHEME_ID:
+ tepl_style_scheme_chooser_widget_set_style_scheme_id (tepl_chooser,
g_value_get_string (value));
break;
default:
@@ -85,6 +136,9 @@ tepl_style_scheme_chooser_widget_set_property (GObject *object,
static void
tepl_style_scheme_chooser_widget_dispose (GObject *object)
{
+ TeplStyleSchemeChooserWidget *chooser = TEPL_STYLE_SCHEME_CHOOSER_WIDGET (object);
+
+ chooser->priv->list_box = NULL;
G_OBJECT_CLASS (tepl_style_scheme_chooser_widget_parent_class)->dispose (object);
}
@@ -99,18 +153,61 @@ tepl_style_scheme_chooser_widget_class_init (TeplStyleSchemeChooserWidgetClass *
object_class->dispose = tepl_style_scheme_chooser_widget_dispose;
g_object_class_override_property (object_class, PROP_STYLE_SCHEME, "style-scheme");
+
+ g_object_class_install_property (object_class,
+ PROP_TEPL_STYLE_SCHEME_ID,
+ g_param_spec_string ("tepl-style-scheme-id",
+ "Tepl Style Scheme ID",
+ "",
+ "",
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
}
static GtkSourceStyleScheme *
-tepl_style_scheme_chooser_widget_get_style_scheme (GtkSourceStyleSchemeChooser *chooser)
+tepl_style_scheme_chooser_widget_get_style_scheme (GtkSourceStyleSchemeChooser *gsv_chooser)
{
+ TeplStyleSchemeChooserWidget *chooser = TEPL_STYLE_SCHEME_CHOOSER_WIDGET (gsv_chooser);
+ GtkListBoxRow *selected_row;
+
+ selected_row = gtk_list_box_get_selected_row (chooser->priv->list_box);
+ if (selected_row != NULL)
+ {
+ return list_box_row_get_style_scheme (selected_row);
+ }
+
return NULL;
}
static void
-tepl_style_scheme_chooser_widget_set_style_scheme (GtkSourceStyleSchemeChooser *chooser,
- GtkSourceStyleScheme *scheme)
+tepl_style_scheme_chooser_widget_set_style_scheme (GtkSourceStyleSchemeChooser *gsv_chooser,
+ GtkSourceStyleScheme *style_scheme)
{
+ TeplStyleSchemeChooserWidget *chooser = TEPL_STYLE_SCHEME_CHOOSER_WIDGET (gsv_chooser);
+ GList *all_list_box_rows;
+ GList *l;
+
+ if (style_scheme == NULL)
+ {
+ return;
+ }
+
+ all_list_box_rows = gtk_container_get_children (GTK_CONTAINER (chooser->priv->list_box));
+
+ for (l = all_list_box_rows; l != NULL; l = l->next)
+ {
+ GtkListBoxRow *cur_list_box_row = GTK_LIST_BOX_ROW (l->data);
+ GtkSourceStyleScheme *cur_style_scheme;
+
+ cur_style_scheme = list_box_row_get_style_scheme (cur_list_box_row);
+ if (style_scheme_equal (cur_style_scheme, style_scheme))
+ {
+ gtk_list_box_select_row (chooser->priv->list_box, cur_list_box_row);
+ break;
+ }
+ }
+
+ g_list_free (all_list_box_rows);
}
static void
@@ -123,10 +220,103 @@ gtk_source_style_scheme_chooser_interface_init (gpointer g_iface,
interface->set_style_scheme = tepl_style_scheme_chooser_widget_set_style_scheme;
}
+static void
+append_style_scheme_to_list_box (TeplStyleSchemeChooserWidget *chooser,
+ GtkSourceStyleScheme *style_scheme)
+{
+ const gchar *name;
+ const gchar *description;
+ gchar *markup;
+ GtkWidget *label;
+ GtkWidget *list_box_row;
+
+ name = gtk_source_style_scheme_get_name (style_scheme);
+ g_return_if_fail (name != NULL);
+ description = gtk_source_style_scheme_get_description (style_scheme);
+
+ if (description != NULL)
+ {
+ markup = g_markup_printf_escaped ("<b>%s</b> - %s", name, description);
+ }
+ else
+ {
+ markup = g_markup_printf_escaped ("<b>%s</b>", name);
+ }
+
+ label = gtk_label_new (NULL);
+ gtk_label_set_markup (GTK_LABEL (label), markup);
+ gtk_widget_set_halign (label, GTK_ALIGN_START);
+
+ list_box_row = gtk_list_box_row_new ();
+ gtk_container_add (GTK_CONTAINER (list_box_row), label);
+ list_box_row_set_style_scheme (GTK_LIST_BOX_ROW (list_box_row), style_scheme);
+
+ gtk_list_box_insert (chooser->priv->list_box, list_box_row, -1);
+
+ g_free (markup);
+}
+
+static void
+fill_list_box (TeplStyleSchemeChooserWidget *chooser)
+{
+ GtkSourceStyleSchemeManager *manager;
+ const gchar * const *scheme_ids;
+ gint i;
+
+ manager = gtk_source_style_scheme_manager_get_default ();
+ scheme_ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
+
+ if (scheme_ids == NULL)
+ {
+ return;
+ }
+
+ for (i = 0; scheme_ids[i] != NULL; i++)
+ {
+ const gchar *cur_scheme_id = scheme_ids[i];
+ GtkSourceStyleScheme *style_scheme;
+
+ style_scheme = gtk_source_style_scheme_manager_get_scheme (manager, cur_scheme_id);
+ append_style_scheme_to_list_box (chooser, style_scheme);
+ }
+}
+
+static void
+list_box_selected_rows_changed_cb (GtkListBox *list_box,
+ TeplStyleSchemeChooserWidget *chooser)
+{
+ g_object_notify (G_OBJECT (chooser), "style-scheme");
+ g_object_notify (G_OBJECT (chooser), "tepl-style-scheme-id");
+}
+
static void
tepl_style_scheme_chooser_widget_init (TeplStyleSchemeChooserWidget *chooser)
{
+ GtkWidget *scrolled_window;
+
chooser->priv = tepl_style_scheme_chooser_widget_get_instance_private (chooser);
+
+ chooser->priv->list_box = GTK_LIST_BOX (gtk_list_box_new ());
+ gtk_list_box_set_selection_mode (chooser->priv->list_box, GTK_SELECTION_BROWSE);
+
+ fill_list_box (chooser);
+
+ scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+ gtk_widget_set_hexpand (scrolled_window, TRUE);
+ gtk_widget_set_vexpand (scrolled_window, TRUE);
+
+ /* Overlay scrolling gets in the way when trying to select the last row. */
+ gtk_scrolled_window_set_overlay_scrolling (GTK_SCROLLED_WINDOW (scrolled_window), FALSE);
+
+ gtk_container_add (GTK_CONTAINER (scrolled_window),
+ GTK_WIDGET (chooser->priv->list_box));
+ gtk_widget_show_all (scrolled_window);
+ gtk_container_add (GTK_CONTAINER (chooser), scrolled_window);
+
+ g_signal_connect (chooser->priv->list_box,
+ "selected-rows-changed",
+ G_CALLBACK (list_box_selected_rows_changed_cb),
+ chooser);
}
TeplStyleSchemeChooserWidget *
@@ -134,3 +324,41 @@ tepl_style_scheme_chooser_widget_new (void)
{
return g_object_new (TEPL_TYPE_STYLE_SCHEME_CHOOSER_WIDGET, NULL);
}
+
+gchar *
+tepl_style_scheme_chooser_widget_get_style_scheme_id (TeplStyleSchemeChooserWidget *chooser)
+{
+ GtkSourceStyleSchemeChooser *gsv_chooser;
+ GtkSourceStyleScheme *style_scheme;
+ const gchar *id;
+
+ g_return_val_if_fail (TEPL_IS_STYLE_SCHEME_CHOOSER_WIDGET (chooser), g_strdup (""));
+
+ gsv_chooser = GTK_SOURCE_STYLE_SCHEME_CHOOSER (chooser);
+ style_scheme = gtk_source_style_scheme_chooser_get_style_scheme (gsv_chooser);
+
+ if (style_scheme == NULL)
+ {
+ return g_strdup ("");
+ }
+
+ id = gtk_source_style_scheme_get_id (style_scheme);
+
+ return id != NULL ? g_strdup (id) : g_strdup ("");
+}
+
+void
+tepl_style_scheme_chooser_widget_set_style_scheme_id (TeplStyleSchemeChooserWidget *chooser,
+ const gchar *style_scheme_id)
+{
+ GtkSourceStyleSchemeManager *manager;
+ GtkSourceStyleScheme *style_scheme;
+
+ g_return_if_fail (TEPL_IS_STYLE_SCHEME_CHOOSER_WIDGET (chooser));
+ g_return_if_fail (style_scheme_id != NULL);
+
+ manager = gtk_source_style_scheme_manager_get_default ();
+ style_scheme = gtk_source_style_scheme_manager_get_scheme (manager, style_scheme_id);
+ gtk_source_style_scheme_chooser_set_style_scheme (GTK_SOURCE_STYLE_SCHEME_CHOOSER (chooser),
+ style_scheme);
+}
diff --git a/tepl/tepl-style-scheme-chooser-widget.h b/tepl/tepl-style-scheme-chooser-widget.h
index c2ddfee..894a967 100644
--- a/tepl/tepl-style-scheme-chooser-widget.h
+++ b/tepl/tepl-style-scheme-chooser-widget.h
@@ -53,10 +53,15 @@ struct _TeplStyleSchemeChooserWidgetClass
gpointer padding[12];
};
-GType tepl_style_scheme_chooser_widget_get_type (void);
+GType tepl_style_scheme_chooser_widget_get_type (void);
TeplStyleSchemeChooserWidget *
- tepl_style_scheme_chooser_widget_new (void);
+ tepl_style_scheme_chooser_widget_new (void);
+
+gchar * tepl_style_scheme_chooser_widget_get_style_scheme_id (TeplStyleSchemeChooserWidget
*chooser);
+
+void tepl_style_scheme_chooser_widget_set_style_scheme_id (TeplStyleSchemeChooserWidget
*chooser,
+ const gchar
*style_scheme_id);
G_END_DECLS
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