[gtk] widget: Apply CSS transform in gtk_widget_allocate()
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk] widget: Apply CSS transform in gtk_widget_allocate()
- Date: Thu, 21 Feb 2019 18:53:42 +0000 (UTC)
commit fd318a17a45c72a7cb96133fe5659a426d54457d
Author: Timm Bäder <mail baedert org>
Date: Sat Jan 19 09:01:02 2019 +0100
widget: Apply CSS transform in gtk_widget_allocate()
gtk/gtkwidget.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 3e8af0b13e..33bfcb52cf 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -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);
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