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Make gtk_style_context_get_* functions more robust

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Even if the default CSS contains values for these, handle non-existing
values as queries might happen on an incomplete style.
This commit is contained in:
Carlos Garnacho 2010-12-21 14:42:06 +01:00
parent e36ba3465b
commit ac0353e08a
1 changed files with 61 additions and 13 deletions
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48
gtk/gtkstylecontext.c
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@ -499,6 +499,8 @@ enum {
static guint signals[LAST_SIGNAL] = { 0 };
static GQuark provider_list_quark = 0;
static GdkRGBA fallback_color = { 1.0, 0.75, 0.75, 1.0 };
static GtkBorder fallback_border = { 0 };
static void gtk_style_context_finalize (GObject *object);
@ -3192,6 +3194,9 @@ gtk_style_context_get_color (GtkStyleContext *context,
const GValue *value;
GdkRGBA *c;
g_return_if_fail (color != NULL);
*color = fallback_color;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3200,8 +3205,12 @@ gtk_style_context_get_color (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"color", state);
if (value)
{
c = g_value_get_boxed (value);
*color = *c;
}
}
/**
@ -3224,6 +3233,9 @@ gtk_style_context_get_background_color (GtkStyleContext *context,
const GValue *value;
GdkRGBA *c;
g_return_if_fail (color != NULL);
*color = fallback_color;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3232,8 +3244,12 @@ gtk_style_context_get_background_color (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"background-color", state);
if (value)
{
c = g_value_get_boxed (value);
*color = *c;
}
}
/**
@ -3256,6 +3272,9 @@ gtk_style_context_get_border_color (GtkStyleContext *context,
const GValue *value;
GdkRGBA *c;
g_return_if_fail (color != NULL);
*color = fallback_color;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3264,8 +3283,12 @@ gtk_style_context_get_border_color (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"border-color", state);
if (value)
{
c = g_value_get_boxed (value);
*color = *c;
}
}
/**
@ -3288,6 +3311,9 @@ gtk_style_context_get_border (GtkStyleContext *context,
const GValue *value;
GtkBorder *b;
g_return_if_fail (border != NULL);
*border = fallback_border;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3296,8 +3322,12 @@ gtk_style_context_get_border (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"border-width", state);
if (value)
{
b = g_value_get_boxed (value);
*border = *b;
}
}
/**
@ -3320,6 +3350,9 @@ gtk_style_context_get_padding (GtkStyleContext *context,
const GValue *value;
GtkBorder *b;
g_return_if_fail (padding != NULL);
*padding = fallback_border;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3328,8 +3361,12 @@ gtk_style_context_get_padding (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"padding", state);
if (value)
{
b = g_value_get_boxed (value);
*padding = *b;
}
}
/**
@ -3352,6 +3389,9 @@ gtk_style_context_get_margin (GtkStyleContext *context,
const GValue *value;
GtkBorder *b;
g_return_if_fail (margin != NULL);
*margin = fallback_border;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
priv = context->priv;
@ -3360,8 +3400,12 @@ gtk_style_context_get_margin (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store,
"margin", state);
if (value)
{
b = g_value_get_boxed (value);
*margin = *b;
}
}
/**
@ -3393,7 +3437,11 @@ gtk_style_context_get_font (GtkStyleContext *context,
data = style_data_lookup (context);
value = _gtk_style_properties_peek_property (data->store, "font", state);
if (value)
return g_value_get_boxed (value);
return NULL;
}
/* Paint methods */