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label: Simplify rendering code

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Instead of drawing text for selections and links manually, use the
gtk_render_background() and gtk_render_layout() functions.

As a side effect, this allows shadows on selected text and links
and real backgrounds (like gradients or images), too.
This commit is contained in:
Benjamin Otte
2014-10-02 05:17:29 +02:00
parent 9744e86e04
commit 8d1227a97c
1 changed files with 19 additions and 23 deletions
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42
gtk/gtklabel.c
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@ -4217,7 +4217,6 @@ gtk_label_draw (GtkWidget *widget,
{
gint range[2];
cairo_region_t *clip;
GdkRGBA bg_color, fg_color;
range[0] = info->selection_anchor;
range[1] = info->selection_end;
@ -4234,24 +4233,23 @@ gtk_label_draw (GtkWidget *widget,
range,
1);
/* FIXME should use gtk_paint, but it can't use a clip region */
cairo_save (cr);
gtk_style_context_save (context);
gdk_cairo_region (cr, clip);
cairo_clip (cr);
state |= GTK_STATE_FLAG_SELECTED;
gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED);
gtk_style_context_get_color (context, state, &fg_color);
gtk_style_context_get_background_color (context, state, &bg_color);
gtk_render_background (context, cr,
allocation.x, allocation.y,
allocation.width, allocation.height);
gdk_cairo_set_source_rgba (cr, &bg_color);
cairo_paint (cr);
gdk_cairo_set_source_rgba (cr, &fg_color);
cairo_move_to (cr, x, y);
_gtk_pango_fill_layout (cr, priv->layout);
gtk_render_layout (context, cr,
x, y,
priv->layout);
gtk_style_context_restore (context);
cairo_restore (cr);
cairo_region_destroy (clip);
}
@ -4262,7 +4260,6 @@ gtk_label_draw (GtkWidget *widget,
gint range[2];
cairo_region_t *clip;
GdkRectangle rect;
GdkRGBA link_color;
if (info->selectable &&
gtk_widget_has_focus (widget) &&
@ -4282,12 +4279,11 @@ gtk_label_draw (GtkWidget *widget,
if (active_link)
{
GdkRGBA bg_color;
range[0] = active_link->start;
range[1] = active_link->end;
cairo_save (cr);
gtk_style_context_save (context);
clip = gdk_pango_layout_get_clip_region (priv->layout,
x, y,
@ -4302,22 +4298,22 @@ gtk_label_draw (GtkWidget *widget,
else
state |= GTK_STATE_FLAG_PRELIGHT;
gtk_style_context_get_background_color (context, state, &bg_color);
gdk_cairo_set_source_rgba (cr, &bg_color);
cairo_paint (cr);
if (active_link->visited)
state |= GTK_STATE_FLAG_VISITED;
else
state |= GTK_STATE_FLAG_LINK;
gtk_style_context_get_color (context, state, &link_color);
gdk_cairo_set_source_rgba (cr, &link_color);
gtk_style_context_set_state (context, state);
cairo_move_to (cr, x, y);
_gtk_pango_fill_layout (cr, priv->layout);
gtk_render_background (context, cr,
allocation.x, allocation.y,
allocation.width, allocation.height);
gtk_render_layout (context, cr,
x, y,
priv->layout);
gtk_style_context_restore (context);
cairo_restore (cr);
}