Add background panel for dock.

1 files changed, 56 insertions, 1 deletions

diff --git a/dock.c b/dock.c
index 1ec0ea2..ecf663a 100644
--- a/dock.c
+++ b/dock.c
@@ -100,7 +100,7 @@ model_init_dock (Model *model, int num_items,
   model->friction = 150;
   model->gravity = 50;
   model->k = 0.8;
-  model->constrain_iterations = 8;
+  model->constrain_iterations = 1;
 
   model->polygons = g_new (Polygon, 1);
   model->num_polygons = 1;
@@ -182,6 +182,58 @@ static const char *icons[] = {
   "svg/internet-group-chat.svg"
 };
 
+static void
+create_dock (GdkScreen *screen, int num_icons, int spacing)
+{
+    const int padding = 20;
+    GdkWindow *dock;
+    int dock_width, dock_height;
+    int screen_width, screen_height;
+    cairo_t *cr;
+    cairo_pattern_t *gradient;
+    const int hmargin = 5, vmargin = 40, radius = 5;
+
+    screen_width = gdk_screen_get_width (screen);
+    screen_height = gdk_screen_get_height (screen);
+
+    dock_width = num_icons * spacing + 2 * padding;
+    dock_height = spacing + padding;
+    dock = create_window (screen,
+			  (screen_width - dock_width + spacing) / 2, 
+			  screen_height - dock_height,
+			  dock_width, dock_height);
+
+    gdk_window_show (dock);
+
+    cr = gdk_cairo_create (dock);
+    cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+    cairo_paint (cr);
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+    cairo_move_to (cr, hmargin, dock_height);
+    cairo_line_to (cr, hmargin, vmargin + radius);
+    cairo_arc (cr, hmargin + radius, vmargin + radius,
+	       radius, M_PI, 3 * M_PI / 2);
+    cairo_line_to (cr, dock_width - hmargin - radius, vmargin);
+    cairo_arc (cr, dock_width - hmargin - radius, vmargin + radius,
+	       radius, 3 * M_PI / 2, 2 * M_PI);
+    cairo_line_to (cr, dock_width - hmargin, dock_height);
+
+    gradient = cairo_pattern_create_linear (dock_width / 2 - 1, vmargin,
+					    dock_width / 2 + 1, dock_height);
+    cairo_pattern_add_color_stop_rgba (gradient, 0, 1, 1, 1, 0.4);
+    cairo_pattern_add_color_stop_rgba (gradient, 1, 1, 1, 1, 0.6);
+    cairo_set_source (cr, gradient);
+    cairo_fill_preserve (cr);
+
+    cairo_set_source_rgba (cr, 1, 1, 1, 1);
+    cairo_set_line_width (cr, 1);
+    cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
+    cairo_stroke (cr);
+
+    cairo_destroy (cr);
+}
+
 int main (int argc, char *argv[])
 {
     Closure closure;
@@ -208,6 +260,9 @@ int main (int argc, char *argv[])
 
     model_init_dock (&closure.model, num_icons, width, height, spacing);
 
+    create_dock (screen, num_icons, spacing);
+
+
     for (i = 0; i < num_icons; i++) {
 
       handle = rsvg_handle_new_from_file (icons[i], NULL);