static gboolean
draw_cb_extension (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, "notebook");
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB, 0);
gtk_style_context_set_state (context, 0);
gtk_render_extension (context, cr, 26, 12, 24, 12, GTK_POS_BOTTOM);
gtk_render_extension (context, cr, 12, 26, 12, 24, GTK_POS_RIGHT);
gtk_render_extension (context, cr, 26, 52, 24, 12, GTK_POS_TOP);
gtk_render_extension (context, cr, 52, 26, 12, 24, GTK_POS_LEFT);
gtk_style_context_restore (context);
return TRUE;
}
static void
anjuta_tabber_draw_tab (AnjutaTabber* tabber, cairo_t* cr, GList* child)
{
GtkWidget* widget = GTK_WIDGET (tabber);
GtkWidget* tab = GTK_WIDGET (child->data);
gboolean current;
gint focus_width;
gint focus_pad;
gint tab_curvature;
gint tab_overlap;
gint focus_space;
gint tab_begin;
gint tab_end;
GtkStateFlags state;
GtkRegionFlags region_flags;
GtkBorder tab_padding;
GtkAllocation alloc;
GtkAllocation widget_alloc;
GtkStyleContext* context = gtk_widget_get_style_context (widget);
current = g_list_position (tabber->priv->children, child) == tabber->priv->active_page;
gtk_widget_style_get (widget,
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
"tab-curvature", &tab_curvature,
"tab-overlap", &tab_overlap,
NULL);
focus_space = focus_pad + focus_width;
/* Get border/padding for tab */
gtk_style_context_save (context);
anjuta_tabber_setup_style_context (tabber, context, child, &state, ®ion_flags);
gtk_style_context_get_padding (context, state, &tab_padding);
gtk_widget_get_allocation (widget, &widget_alloc);
gtk_widget_get_allocation (tab, &alloc);
tab_begin = tab_curvature - tab_overlap;
tab_end = tab_curvature - tab_overlap;
if (region_flags | GTK_REGION_FIRST)
tab_begin += tab_overlap;
if (region_flags | GTK_REGION_LAST)
tab_end += tab_overlap;
alloc.x -= widget_alloc.x;
alloc.x -= tab_begin;
alloc.x -= focus_space + tab_padding.left;
alloc.y -= widget_alloc.y;
alloc.y -= focus_space + tab_padding.top;
alloc.width += 2 * focus_space + tab_padding.left + tab_padding.right
+ tab_begin + tab_end;
alloc.height += 2 * focus_space + tab_padding.top + tab_padding.bottom;
gtk_render_extension (context,
cr,
alloc.x,
alloc.y,
alloc.width,
alloc.height,
GTK_POS_BOTTOM);
if (gtk_widget_has_focus (widget) &&
current)
{
GtkAllocation allocation;
gtk_widget_get_allocation (tab, &allocation);
gtk_render_focus (context, cr,
allocation.x - focus_space,
allocation.y - focus_space,
allocation.width + 2 * focus_space,
allocation.height + 2 * focus_space);
}
gtk_style_context_restore (context);
}
static void
anjuta_tabber_render_tab (GtkWidget* widget,
GtkWidget* tab,
cairo_t* cr,
gboolean current,
GtkRegionFlags region_flags)
{
AnjutaTabber* tabber = ANJUTA_TABBER (widget);
GtkAllocation alloc;
GtkAllocation widget_alloc;
gint focus_width;
gint tab_curvature;
gint tab_overlap;
gint tab_begin;
gint tab_end;
gint xpadding;
gint ypadding;
GtkStyleContext* context = gtk_widget_get_style_context (widget);
if (current)
gtk_widget_set_state_flags (tab, GTK_STATE_FLAG_ACTIVE, TRUE);
else
gtk_widget_unset_state_flags (tab, GTK_STATE_FLAG_ACTIVE);
gtk_widget_style_get (widget,
"focus-line-width", &focus_width,
"tab-curvature", &tab_curvature,
"tab-overlap", &tab_overlap,
NULL);
/* Get border/padding for tab */
gtk_style_context_save (context);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_NOTEBOOK);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
region_flags);
if (current)
gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
gtk_style_context_set_junction_sides (context,
GTK_JUNCTION_CORNER_TOPLEFT);
else
gtk_style_context_set_junction_sides (context,
GTK_JUNCTION_CORNER_TOPRIGHT);
gtk_widget_get_allocation (widget, &widget_alloc);
gtk_widget_get_allocation (tab, &alloc);
xpadding = focus_width + tabber->priv->tab_hborder;
ypadding = focus_width + tabber->priv->tab_vborder;
tab_begin = tab_curvature - tab_overlap;
tab_end = tab_curvature - tab_overlap;
if (region_flags | GTK_REGION_FIRST)
tab_begin += tab_overlap;
if (region_flags | GTK_REGION_LAST)
tab_end += tab_overlap;
alloc.x -= widget_alloc.x;
alloc.x -= tab_begin;
alloc.x -= xpadding;
alloc.y -= widget_alloc.y;
alloc.y -= ypadding;
alloc.width += 2 * (xpadding) + tab_begin + tab_end;
alloc.height += 2 * ypadding;
gtk_render_extension (context,
cr,
alloc.x,
alloc.y,
alloc.width,
alloc.height,
GTK_POS_BOTTOM);
if (gtk_widget_has_focus (widget) &&
current)
{
GtkAllocation allocation;
gtk_widget_get_allocation (tab, &allocation);
gtk_render_focus (context, cr,
allocation.x - focus_width,
allocation.y - focus_width,
allocation.width + 2 * focus_width,
allocation.height + 2 * focus_width);
}
gtk_style_context_restore (context);
}
