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API: Add gtk_style_context_get_section()
This API allows querying the location where style properties were defined. An example implementation will be committed soon.
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@ -5689,6 +5689,7 @@ gtk_style_context_get_style
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gtk_style_context_get_style_property
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gtk_style_context_get_style_valist
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gtk_style_context_get_valist
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gtk_style_context_get_section
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gtk_style_context_get_color
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gtk_style_context_get_background_color
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gtk_style_context_get_border_color
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@ -2551,6 +2551,7 @@ gtk_style_context_get_parent
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gtk_style_context_get_path
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gtk_style_context_get_property
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gtk_style_context_get_screen
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gtk_style_context_get_section
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gtk_style_context_get_state
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gtk_style_context_get_style
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gtk_style_context_get_style_property
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@ -1399,6 +1399,48 @@ gtk_style_context_remove_provider_for_screen (GdkScreen *screen,
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}
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}
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/**
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* gtk_style_context_get_section:
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* @context: a #GtkStyleContext
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* @property: style property name
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*
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* Queries the location in the CSS where @property was defined for the
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* current @context. Note that the state to be queried is taken from
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* gtk_style_context_get_state().
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*
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* If the location is not available, %NULL will be returned. The
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* location might not be available for various reasons, such as the
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* property being overridden, @property not naming a supported CSS
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* property or tracking of definitions being disabled for performance
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* reasons.
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*
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* Shorthand CSS properties cannot be queried for a location and will
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* always return %NULL.
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*
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* Returns: %NULL or the section where value was defined
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**/
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GtkCssSection *
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gtk_style_context_get_section (GtkStyleContext *context,
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const gchar *property)
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{
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GtkStyleContextPrivate *priv;
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GtkStyleProperty *prop;
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StyleData *data;
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g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
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g_return_val_if_fail (property != NULL, NULL);
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priv = context->priv;
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g_return_val_if_fail (priv->widget_path != NULL, NULL);
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prop = _gtk_style_property_lookup (property);
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if (!GTK_IS_CSS_STYLE_PROPERTY (prop))
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return NULL;
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data = style_data_lookup (context, gtk_style_context_get_state (context));
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return _gtk_css_computed_values_get_section (data->store, _gtk_css_style_property_get_id (GTK_CSS_STYLE_PROPERTY (prop)));
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}
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static const GValue *
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gtk_style_context_query_func (guint id,
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gpointer values)
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@ -25,6 +25,7 @@
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#define __GTK_STYLE_CONTEXT_H__
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#include <glib-object.h>
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#include <gtk/gtkcsssection.h>
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#include <gtk/gtkstyleprovider.h>
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#include <gtk/gtkwidgetpath.h>
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#include <gtk/gtkborder.h>
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@ -717,6 +718,8 @@ void gtk_style_context_remove_provider (GtkStyleContext *context,
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void gtk_style_context_save (GtkStyleContext *context);
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void gtk_style_context_restore (GtkStyleContext *context);
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GtkCssSection * gtk_style_context_get_section (GtkStyleContext *context,
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const gchar *property);
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void gtk_style_context_get_property (GtkStyleContext *context,
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const gchar *property,
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GtkStateFlags state,
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