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widget: Apply CSS transform in gtk_widget_allocate()

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Timm Bäder 2019-01-19 09:01:02 +01:00 committed by Benjamin Otte
parent e2b9f3258e
commit fd318a17a4
1 changed files with 16 additions and 0 deletions
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16
gtk/gtkwidget.c
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@ -36,6 +36,7 @@
#include "gtkcontainerprivate.h"
#include "gtkcssboxesprivate.h"
#include "gtkcssfiltervalueprivate.h"
#include "gtkcsstransformvalueprivate.h"
#include "gtkcssfontvariationsvalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssshadowsvalueprivate.h"
@ -4216,6 +4217,7 @@ gtk_widget_allocate (GtkWidget *widget,
GtkCssStyle *style;
GtkBorder margin, border, padding;
graphene_matrix_t transform_matrix;
GtkTransform *css_transform;
#ifdef G_ENABLE_DEBUG
GdkDisplay *display;
#endif
@ -4330,6 +4332,20 @@ gtk_widget_allocate (GtkWidget *widget,
}
style = gtk_css_node_get_style (priv->cssnode);
/* Apply CSS transformation */
css_transform = gtk_css_transform_value_get_transform (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_TRANSFORM));
if (css_transform)
{
transform = gtk_transform_translate (transform, &GRAPHENE_POINT_INIT (adjusted.x, adjusted.y));
adjusted.x = adjusted.y = 0;
transform = gtk_transform_translate (transform, &GRAPHENE_POINT_INIT (adjusted.width / 2, adjusted.height / 2));
transform = gtk_transform_transform (transform, css_transform);
transform = gtk_transform_translate (transform, &GRAPHENE_POINT_INIT (- adjusted.width / 2, - adjusted.height / 2));
}
get_box_margin (style, &margin);
get_box_border (style, &border);
get_box_padding (style, &padding);