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label: Use a CSS node for selection rendering

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This adds new possibilities for themes to render the selection
in fancy ways.
This commit is contained in:
Matthias Clasen 2015-11-10 20:28:10 -05:00
parent 27d70cbb10
commit fafa75ac19
1 changed files with 28 additions and 13 deletions
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41
gtk/gtklabel.c
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@ -54,6 +54,8 @@
#include "gtktypebuiltins.h"
#include "gtkwidgetprivate.h"
#include "gtkwindow.h"
#include "gtkcssnodeprivate.h"
#include "gtkwidgetprivate.h"
#include "a11y/gtklabelaccessibleprivate.h"
@ -312,6 +314,7 @@ struct _GtkLabelSelectionInfo
gint selection_anchor;
gint selection_end;
GtkWidget *popup_menu;
GtkCssNode *selection_node;
GList *links;
GtkLabelLink *active_link;
@ -4244,14 +4247,9 @@ gtk_label_draw (GtkWidget *widget,
cairo_translate (cr, -allocation.x, -allocation.y);
gtk_render_layout (context, cr,
x, y,
priv->layout);
gtk_render_layout (context, cr, x, y, priv->layout);
state = gtk_widget_get_state_flags (widget);
if (info &&
(info->selection_anchor != info->selection_end))
if (info && (info->selection_anchor != info->selection_end))
{
gint range[2];
cairo_region_t *clip;
@ -4272,20 +4270,16 @@ gtk_label_draw (GtkWidget *widget,
1);
cairo_save (cr);
gtk_style_context_save (context);
gtk_style_context_save_to_node (context, info->selection_node);
gdk_cairo_region (cr, clip);
cairo_clip (cr);
gtk_style_context_set_state (context, state | GTK_STATE_FLAG_SELECTED);
gtk_render_background (context, cr,
allocation.x, allocation.y,
allocation.width, allocation.height);
gtk_render_layout (context, cr,
x, y,
priv->layout);
gtk_render_layout (context, cr, x, y, priv->layout);
gtk_style_context_restore (context);
cairo_restore (cr);
@ -4327,10 +4321,13 @@ gtk_label_draw (GtkWidget *widget,
x, y,
range,
1);
gdk_cairo_region (cr, clip);
cairo_clip (cr);
cairo_region_destroy (clip);
state = gtk_style_context_get_state (context);
if (info->link_clicked)
state |= GTK_STATE_FLAG_ACTIVE;
else
@ -5765,12 +5762,30 @@ gtk_label_select_region_index (GtkLabel *label,
gtk_target_table_free (targets, n_targets);
gtk_target_list_unref (list);
if (!priv->select_info->selection_node)
{
GtkCssNode *widget_node;
widget_node = gtk_widget_get_css_node (GTK_WIDGET (label));
priv->select_info->selection_node = gtk_css_node_new ();
gtk_css_node_set_name (priv->select_info->selection_node, I_("selection"));
gtk_css_node_set_parent (priv->select_info->selection_node, widget_node);
gtk_css_node_set_state (priv->select_info->selection_node, gtk_css_node_get_state (widget_node));
g_object_unref (priv->select_info->selection_node);
}
}
else
{
if (clipboard &&
gtk_clipboard_get_owner (clipboard) == G_OBJECT (label))
gtk_clipboard_clear (clipboard);
if (priv->select_info->selection_node)
{
gtk_css_node_set_parent (priv->select_info->selection_node, NULL);
priv->select_info->selection_node = NULL;
}
}
gtk_widget_queue_draw (GTK_WIDGET (label));