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gtk-demo: attempt at a notebook with active box-shadow in tab

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This commit is contained in:
Caolán McNamara
2016-02-10 21:01:54 +00:00
committed by Matthias Clasen
parent 8e6cc260ca
commit 671552043c
1 changed files with 48 additions and 1 deletions
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49
demos/gtk-demo/foreigndrawing.c
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@ -172,6 +172,51 @@ draw_menu (GtkWidget *widget,
g_object_unref (menu_context);
}
static void
draw_notebook (GtkWidget *widget,
cairo_t *cr,
gint x,
gint y,
gint width,
gint height)
{
GtkStyleContext *notebook_context;
GtkStyleContext *stack_context;
GtkStyleContext *header_context;
GtkStyleContext *tabs_context;
GtkStyleContext *tab_context;
/* This information is taken from the GtkNotebook docs, see "CSS nodes" */
notebook_context = get_style (NULL, "notebook.frame");
gtk_render_background (notebook_context, cr, x, y, width, height);
gtk_render_frame (notebook_context, cr, x, y, width, height);
stack_context = get_style (notebook_context, "stack");
gtk_render_background (stack_context, cr, x, y + 30, width, height - 30);
gtk_render_frame (stack_context, cr, x, y + 30, width, height - 30);
header_context = get_style (notebook_context, "header.frame");
gtk_render_background (header_context, cr, x, y, width, 30);
gtk_render_frame (header_context, cr, x, y, width, 30);
tabs_context = get_style (header_context, "tabs");
gtk_render_background (tabs_context, cr, x, y, width, 30);
gtk_render_frame (tabs_context, cr, x, y, width, 30);
/* what do I need to do to get the box-shadow rendered ? */
tab_context = get_style (tabs_context, "tab:active");
gtk_render_background (tab_context, cr, x, y, 50, 30);
gtk_render_frame (tab_context, cr, x, y, 50, 30);
g_object_unref (tab_context);
g_object_unref (tabs_context);
g_object_unref (header_context);
g_object_unref (stack_context);
g_object_unref (notebook_context);
}
static void
draw_horizontal_scrollbar (GtkWidget *widget,
cairo_t *cr,
@ -349,6 +394,8 @@ draw_cb (GtkWidget *widget,
draw_menu (widget, cr, 10 + panewidth, 10, panewidth - 20, 160);
draw_notebook (widget, cr, 10, 200, panewidth - 20, 160);
return FALSE;
}
@ -372,7 +419,7 @@ do_foreigndrawing (GtkWidget *do_widget)
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
gtk_container_add (GTK_CONTAINER (window), box);
da = gtk_drawing_area_new ();
gtk_widget_set_size_request (da, 400, 200);
gtk_widget_set_size_request (da, 400, 400);
gtk_widget_set_hexpand (da, TRUE);
gtk_widget_set_vexpand (da, TRUE);
gtk_widget_set_app_paintable (da, TRUE);