static void
gossip_cell_renderer_expander_render (GtkCellRenderer *cell,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
GossipCellRendererExpander *expander;
GossipCellRendererExpanderPriv *priv;
GtkStyleContext *style_context;
gint x_offset, y_offset;
gint xpad, ypad;
expander = (GossipCellRendererExpander*) cell;
priv = GET_PRIV (expander);
gossip_cell_renderer_expander_get_size (cell, widget, cell_area,
&x_offset, &y_offset,
NULL, NULL);
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
style_context = gtk_widget_get_style_context (widget);
gtk_style_context_set_state (style_context, priv->style_flags);
gtk_render_expander (gtk_widget_get_style_context (widget),
cr,
cell_area->x + x_offset + xpad,
cell_area->y + y_offset + ypad,
priv->expander_size,
priv->expander_size);
}
static void
gm_cell_renderer_expander_render (GtkCellRenderer *cell,
cairo_t *cr,
GtkWidget *widget,
G_GNUC_UNUSED const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
GmCellRendererExpander *expander;
GmCellRendererExpanderPriv *priv;
gint x_offset, y_offset;
guint xpad, ypad;
GtkStyleContext *style;
GtkStateFlags state;
expander = (GmCellRendererExpander *) cell;
priv = expander->priv;
gm_cell_renderer_expander_get_size (cell, widget,
(GdkRectangle *) cell_area,
&x_offset, &y_offset,
NULL, NULL);
g_object_get (cell,
"xpad", &xpad,
"ypad", &ypad,
NULL);
style = gtk_widget_get_style_context (widget);
gtk_style_context_save (style);
gtk_style_context_add_class (style, GTK_STYLE_CLASS_EXPANDER);
state = gtk_cell_renderer_get_state (cell, widget, flags);
if (priv->expander_style == GTK_EXPANDER_COLLAPSED)
state |= GTK_STATE_FLAG_NORMAL;
else
state |= GTK_STATE_FLAG_ACTIVE;
gtk_style_context_set_state (style, state);
gtk_render_expander (style,
cr,
cell_area->x + x_offset + xpad,
cell_area->y + y_offset + ypad,
priv->expander_size,
priv->expander_size);
gtk_style_context_restore (style);
}
static gboolean
draw_cb_expanders (GtkWidget *widget, cairo_t *cr)
{
GtkStyleContext *context;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "expander");
gtk_style_context_set_state (context, 0);
gtk_render_expander (context, cr, 12, 12, 12, 12);
gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT);
gtk_render_expander (context, cr, 36, 12, 12, 12);
gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
gtk_render_expander (context, cr, 60, 12, 12, 12);
gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_ACTIVE);
gtk_render_expander (context, cr, 84, 12, 12, 12);
gtk_style_context_restore (context);
return TRUE;
}
static void
draw_expander (ECellTreeView *ectv,
cairo_t *cr,
GtkExpanderStyle expander_style,
GtkStateType state,
GdkRectangle *rect)
{
GtkStyleContext *style_context;
GtkWidget *tree;
GtkStateFlags flags = 0;
gint exp_size;
tree = gtk_widget_get_parent (GTK_WIDGET (ectv->canvas));
style_context = gtk_widget_get_style_context (tree);
gtk_style_context_save (style_context);
gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_EXPANDER);
switch (state) {
case GTK_STATE_PRELIGHT:
flags |= GTK_STATE_FLAG_PRELIGHT;
break;
case GTK_STATE_SELECTED:
flags |= GTK_STATE_FLAG_SELECTED;
break;
case GTK_STATE_INSENSITIVE:
flags |= GTK_STATE_FLAG_INSENSITIVE;
break;
default:
break;
}
/* XXX GTK 3.13.7 broke backward-compat on which state flag controls
* how an expander is drawn.
*
* Older versions used GTK_STATE_FLAG_ACTIVE, 3.13.7 and later
* changed it to GTK_STATE_FLAG_CHECKED.
*
* See https://bugzilla.gnome.org/733967 for details. */
if (expander_style == GTK_EXPANDER_EXPANDED) {
#if GTK_CHECK_VERSION(3,13,7)
flags |= GTK_STATE_FLAG_CHECKED;
#else
flags |= GTK_STATE_FLAG_ACTIVE;
#endif
}
gtk_style_context_set_state (style_context, flags);
gtk_widget_style_get (tree, "expander_size", &exp_size, NULL);
cairo_save (cr);
gtk_render_expander (
style_context, cr,
(gdouble) rect->x + rect->width - exp_size,
(gdouble) (rect->y + rect->height / 2) - (exp_size / 2),
(gdouble) exp_size,
(gdouble) exp_size);
cairo_restore (cr);
gtk_style_context_restore (style_context);
}
