1 files changed, 174 insertions, 0 deletions
diff --git a/applets/notification_area/status-notifier/sn-flat-button.c b/applets/notification_area/status-notifier/sn-flat-button.c
new file mode 100644
index 00000000..d920dadf
--- /dev/null
+++ b/applets/notification_area/status-notifier/sn-flat-button.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2017 Colomban Wendling <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * A GtkButton that doesn't draw anything specific but the focus, and pass
+ * all drawing and sizing requests to its child.
+ */
+
+#define SN_FLAT_BUTTON_C
+
+#include <gtk/gtk.h>
+
+#include "sn-flat-button.h"
+
+G_DEFINE_TYPE (SnFlatButton,
+ sn_flat_button,
+ GTK_TYPE_BUTTON)
+
+static gboolean
+sn_flat_button_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_container_propagate_draw (GTK_CONTAINER (widget), child, cr);
+
+ if (gtk_widget_is_drawable (widget) && gtk_widget_has_focus (widget))
+ {
+ GtkStyleContext *context = gtk_widget_get_style_context (widget);
+ gdouble x1, y1, x2, y2;
+
+ cairo_clip_extents (cr, &x1, &y1, &x2, &y2);
+ gtk_render_focus (context, cr, x1, y1, x2 - x1, y2 - y1);
+ }
+
+ return child != NULL;
+}
+
+static void
+sn_flat_button_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkWidget *child;
+
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->size_allocate (widget,
+ allocation);
+
+ child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child && gtk_widget_get_visible (child))
+ gtk_widget_size_allocate (child, allocation);
+}
+
+static GtkSizeRequestMode
+sn_flat_button_get_request_mode (GtkWidget *widget)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ return gtk_widget_get_request_mode (child);
+ else
+ return GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_request_mode (widget);
+}
+
+static void
+sn_flat_button_get_preferred_height (GtkWidget *widget,
+ gint *min,
+ gint *nat)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_widget_get_preferred_height (child, min, nat);
+ else
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_preferred_height (widget, min, nat);
+}
+
+static void
+sn_flat_button_get_preferred_width (GtkWidget *widget,
+ gint *min,
+ gint *nat)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_widget_get_preferred_width (child, min, nat);
+ else
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_preferred_width (widget, min, nat);
+}
+
+static void
+sn_flat_button_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *min,
+ gint *nat)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_widget_get_preferred_height_for_width (child, width, min, nat);
+ else
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_preferred_height_for_width (widget, width, min, nat);
+}
+
+static void
+sn_flat_button_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *min,
+ gint *nat)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_widget_get_preferred_width_for_height (child, height, min, nat);
+ else
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_preferred_width_for_height (widget, height, min, nat);
+}
+
+static void
+sn_flat_button_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
+ gint width,
+ gint *min,
+ gint *nat,
+ gint *min_baseline,
+ gint *nat_baseline)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (child)
+ gtk_widget_get_preferred_height_and_baseline_for_width (child, width, min, nat,
+ min_baseline, nat_baseline);
+ else
+ GTK_WIDGET_CLASS (sn_flat_button_parent_class)->get_preferred_height_and_baseline_for_width (widget, width,
+ min, nat,
+ min_baseline, nat_baseline);
+}
+
+static void
+sn_flat_button_class_init (SnFlatButtonClass *klass)
+{
+ GtkWidgetClass *widget_class;
+
+ widget_class = GTK_WIDGET_CLASS (klass);
+
+ widget_class->draw = sn_flat_button_draw;
+ widget_class->size_allocate = sn_flat_button_size_allocate;
+ widget_class->get_request_mode = sn_flat_button_get_request_mode;
+ widget_class->get_preferred_height = sn_flat_button_get_preferred_height;
+ widget_class->get_preferred_height_for_width = sn_flat_button_get_preferred_height_for_width;
+ widget_class->get_preferred_height_and_baseline_for_width = sn_flat_button_get_preferred_height_and_baseline_for_width;
+ widget_class->get_preferred_width = sn_flat_button_get_preferred_width;
+ widget_class->get_preferred_width_for_height = sn_flat_button_get_preferred_width_for_height;
+}
+
+static void
+sn_flat_button_init (SnFlatButton *self)
+{
+ gtk_button_set_relief (GTK_BUTTON (self), GTK_RELIEF_NONE);
+}