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widget: Draw background and border for every widget

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This commit is contained in:
Timm Bäder 2017-05-03 10:03:24 +02:00 committed by Matthias Clasen
parent 6c7e8ecb1f
commit 7656bd9bc3
1 changed files with 66 additions and 0 deletions
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66
gtk/gtkwidget.c
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@ -69,6 +69,8 @@
#include "gtkgestureprivate.h"
#include "gtkwidgetpathprivate.h"
#include "gtksnapshotprivate.h"
#include "gtkrenderborderprivate.h"
#include "gtkrenderbackgroundprivate.h"
#include "inspector/window.h"
@ -15258,6 +15260,48 @@ gtk_widget_reset_controllers (GtkWidget *widget)
}
}
static gint
get_number (GtkCssStyle *style,
guint property)
{
double d = _gtk_css_number_value_get (gtk_css_style_get_value (style, property), 100);
if (d < 1)
return ceil (d);
else
return floor (d);
}
static void
get_box_margin (GtkCssStyle *style,
GtkBorder *margin)
{
margin->top = get_number (style, GTK_CSS_PROPERTY_MARGIN_TOP);
margin->left = get_number (style, GTK_CSS_PROPERTY_MARGIN_LEFT);
margin->bottom = get_number (style, GTK_CSS_PROPERTY_MARGIN_BOTTOM);
margin->right = get_number (style, GTK_CSS_PROPERTY_MARGIN_RIGHT);
}
static void
get_box_border (GtkCssStyle *style,
GtkBorder *border)
{
border->top = get_number (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH);
border->left = get_number (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH);
border->bottom = get_number (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH);
border->right = get_number (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH);
}
static void
get_box_padding (GtkCssStyle *style,
GtkBorder *border)
{
border->top = get_number (style, GTK_CSS_PROPERTY_PADDING_TOP);
border->left = get_number (style, GTK_CSS_PROPERTY_PADDING_LEFT);
border->bottom = get_number (style, GTK_CSS_PROPERTY_PADDING_BOTTOM);
border->right = get_number (style, GTK_CSS_PROPERTY_PADDING_RIGHT);
}
void
gtk_widget_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
@ -15269,6 +15313,9 @@ gtk_widget_snapshot (GtkWidget *widget,
RenderMode mode;
double opacity;
cairo_rectangle_int_t offset_clip;
GtkCssStyle *style;
GtkAllocation allocation;
GtkBorder margin, border, padding;
if (!_gtk_widget_is_drawable (widget))
return;
@ -15311,6 +15358,25 @@ gtk_widget_snapshot (GtkWidget *widget,
offset_clip.width,
offset_clip.height);
style = gtk_css_node_get_style (priv->cssnode);
get_box_margin (style, &margin);
get_box_border (style, &border);
get_box_padding (style, &padding);
_gtk_widget_get_allocation (widget, &allocation);
gtk_snapshot_offset (snapshot, margin.left, margin.top);
gtk_css_style_snapshot_background (style,
snapshot,
allocation.width - margin.left - margin.right,
allocation.height - margin.top - margin.bottom);
gtk_css_style_snapshot_border (style,
snapshot,
allocation.width - margin.left - margin.right,
allocation.height - margin.top - margin.bottom);
gtk_snapshot_offset (snapshot, - margin.left, - margin.top);
if (mode == RENDER_DRAW)
{
cairo_t *cr;