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css: Move special case code for border widths

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We need to store the border widths independant of them being set to 0 by
border styles, because otherwise we'd need to track that dependency and
recompute on changes, and I don't want to add more entries to
GtkCssDependencies just for this special case.

By moving the code that does the setting to 0 from the compute stage to
the query stage, we can achieve this.

Now we need to just be aware that the actual value stored is not set to
0 when we use gtk_css_computed_values_get_value().
This commit is contained in:
Benjamin Otte 2012-10-01 18:21:30 +02:00
parent 83c66c9c2c
commit 25271fe781
2 changed files with 62 additions and 34 deletions
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34
gtk/gtkcssnumbervalue.c
View File

@ -42,40 +42,6 @@ gtk_css_value_number_compute (GtkCssValue *number,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
GtkBorderStyle border_style;
/* I don't like this special case being here in this generic code path, but no idea where else to put it. */
switch (property_id)
{
case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
border_style = _gtk_css_border_style_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_BORDER_TOP_STYLE));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
return _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
border_style = _gtk_css_border_style_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
return _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
border_style = _gtk_css_border_style_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
return _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
border_style = _gtk_css_border_style_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_BORDER_LEFT_STYLE));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
return _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
border_style = _gtk_css_border_style_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_OUTLINE_STYLE));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
return _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
default:
break;
}
switch (number->unit)
{
default:

62
gtk/gtkcssstyleproperty.c
View File

@ -21,6 +21,7 @@
#include "gtkcssstylepropertyprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssinheritvalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
#include "gtkcssstylefuncsprivate.h"
@ -129,6 +130,63 @@ _gtk_css_style_property_assign (GtkStyleProperty *property,
_gtk_css_value_unref (css_value);
}
static gboolean
_gtk_css_style_property_query_special_case (GtkCssStyleProperty *property,
GValue *value,
GtkStyleQueryFunc query_func,
gpointer query_data)
{
GtkBorderStyle border_style;
switch (property->id)
{
case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_TOP_STYLE, query_data));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
{
g_value_init (value, G_TYPE_INT);
return TRUE;
}
break;
case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE, query_data));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
{
g_value_init (value, G_TYPE_INT);
return TRUE;
}
break;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE, query_data));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
{
g_value_init (value, G_TYPE_INT);
return TRUE;
}
break;
case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_BORDER_LEFT_STYLE, query_data));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
{
g_value_init (value, G_TYPE_INT);
return TRUE;
}
break;
case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
border_style = _gtk_css_border_style_value_get (query_func (GTK_CSS_PROPERTY_OUTLINE_STYLE, query_data));
if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
{
g_value_init (value, G_TYPE_INT);
return TRUE;
}
break;
default:
break;
}
return FALSE;
}
static void
_gtk_css_style_property_query (GtkStyleProperty *property,
GValue *value,
@ -138,6 +196,10 @@ _gtk_css_style_property_query (GtkStyleProperty *property,
GtkCssStyleProperty *style_property = GTK_CSS_STYLE_PROPERTY (property);
GtkCssValue *css_value;
/* I don't like this special case being here in this generic code path, but no idea where else to put it. */
if (_gtk_css_style_property_query_special_case (style_property, value, query_func, query_data))
return;
css_value = (* query_func) (GTK_CSS_STYLE_PROPERTY (property)->id, query_data);
if (css_value == NULL)
css_value =_gtk_css_style_property_get_initial_value (style_property);