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themingengine: Add a private function to query lengths

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This commit is contained in:
Benjamin Otte 2012-01-15 05:29:02 +01:00
parent 762ea4793f
commit 82c2dad178
4 changed files with 33 additions and 0 deletions
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16
gtk/gtkstylecontext.c
View File

@ -2372,6 +2372,22 @@ _gtk_style_context_peek_property (GtkStyleContext *context,
return _gtk_css_computed_values_get_value_by_name (data->store, property_name);
}
double
_gtk_style_context_get_number (GtkStyleContext *context,
const char *property_name,
double one_hundred_percent)
{
const GValue *value;
const GtkCssNumber *number;
value = _gtk_style_context_peek_property (context, property_name);
number = g_value_get_boxed (value);
if (number->unit == GTK_CSS_PERCENT)
return number->value * one_hundred_percent * 0.01;
else
return number->value;
}
const GValue *
_gtk_style_context_peek_style_property (GtkStyleContext *context,
GType widget_type,

3
gtk/gtkstylecontextprivate.h
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@ -27,6 +27,9 @@ G_BEGIN_DECLS
const GValue * _gtk_style_context_peek_property (GtkStyleContext *context,
const char *property_name);
double _gtk_style_context_get_number (GtkStyleContext *context,
const char *property_name,
double one_hundred_percent);
const GValue * _gtk_style_context_peek_style_property (GtkStyleContext *context,
GType widget_type,
GtkStateFlags state,

11
gtk/gtkthemingengine.c
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@ -340,6 +340,17 @@ _gtk_theming_engine_peek_property (GtkThemingEngine *engine,
return _gtk_style_context_peek_property (engine->priv->context, property_name);
}
double
_gtk_theming_engine_get_number (GtkThemingEngine *engine,
const char *property_name,
double one_hundred_percent)
{
g_return_val_if_fail (GTK_IS_THEMING_ENGINE (engine), 0.0);
g_return_val_if_fail (property_name != NULL, 0.0);
return _gtk_style_context_get_number (engine->priv->context, property_name, one_hundred_percent);
}
/**
* gtk_theming_engine_get_property:
* @engine: a #GtkThemingEngine

3
gtk/gtkthemingengineprivate.h
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@ -30,5 +30,8 @@ void _gtk_theming_engine_paint_spinner (cairo_t *cr,
const GValue *_gtk_theming_engine_peek_property (GtkThemingEngine *engine,
const char *property_name);
double _gtk_theming_engine_get_number (GtkThemingEngine *engine,
const char *property_name,
double one_hundred_percent);
#endif /* __GTK_THEMING_ENGINE_PRIVATE_H__ */