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linux-packaging-mono/external/bockbuild/packages/patches/gtk/0056-iconfactory-Add-_scaled-variants.patch
Xamarin Public Jenkins (auto-signing) 6bdd276d05 Imported Upstream version 5.0.0.42 
Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b
2017-04-10 11:41:01 +00:00

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From e9dfba023f756801f8931a08644c23809cb38412 Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Tue, 12 Feb 2013 13:59:09 +0100
Subject: [PATCH 56/68] iconfactory: Add _scaled() variants
These functions can be used to deal with stock icons
at sizes that are suitable for gdk_window_get_scale_factor()
---
gtk/gtkiconfactory.c | 173 +++++++++++++++++++++++++++++++++++++++-----------
gtk/gtkiconfactory.h | 14 +++-
2 files changed, 150 insertions(+), 37 deletions(-)
diff --git a/gtk/gtkiconfactory.c b/gtk/gtkiconfactory.c
index c4b6c9c..0dc31e6 100644
--- a/gtk/gtkiconfactory.c
+++ b/gtk/gtkiconfactory.c
@@ -801,6 +801,7 @@ icon_sizes_init_for_settings (GtkSettings *settings)
static gboolean
icon_size_lookup_intern (GtkSettings *settings,
GtkIconSize size,
+ gdouble scale,
gint *widthp,
gint *heightp)
{
@@ -840,10 +841,16 @@ icon_size_lookup_intern (GtkSettings *settings,
}
if (widthp)
- *widthp = width_for_settings >= 0 ? width_for_settings : icon_sizes[size].width;
+ {
+ *widthp = width_for_settings >= 0 ? width_for_settings : icon_sizes[size].width;
+ (*widthp) *= scale;
+ }
if (heightp)
- *heightp = height_for_settings >= 0 ? height_for_settings : icon_sizes[size].height;
+ {
+ *heightp = height_for_settings >= 0 ? height_for_settings : icon_sizes[size].height;
+ (*heightp) *= scale;
+ }
return TRUE;
}
@@ -879,7 +886,7 @@ gtk_icon_size_lookup_for_settings (GtkSettings *settings,
{
g_return_val_if_fail (GTK_IS_SETTINGS (settings), FALSE);
- return icon_size_lookup_intern (settings, size, width, height);
+ return icon_size_lookup_intern (settings, size, 1, width, height);
}
/**
@@ -914,6 +921,18 @@ gtk_icon_size_lookup (GtkIconSize size,
size, widthp, heightp);
}
+gboolean
+gtk_icon_size_lookup_scaled (GtkSettings *settings,
+ GtkIconSize size,
+ gdouble scale,
+ gint *width,
+ gint *height)
+{
+ g_return_val_if_fail (GTK_IS_SETTINGS (settings), FALSE);
+
+ return icon_size_lookup_intern (settings, size, scale, width, height);
+}
+
static GtkIconSize
icon_size_register_intern (const gchar *name,
gint width,
@@ -1000,7 +1019,7 @@ gtk_icon_size_register_alias (const gchar *alias,
init_icon_sizes ();
- if (!icon_size_lookup_intern (NULL, target, NULL, NULL))
+ if (!icon_size_lookup_intern (NULL, target, 1, NULL, NULL))
g_warning ("gtk_icon_size_register_alias: Icon size %u does not exist", target);
ia = g_hash_table_lookup (icon_aliases, alias);
@@ -1288,8 +1307,8 @@ sizes_equivalent (GtkIconSize lhs,
gint r_w, r_h, l_w, l_h;
- icon_size_lookup_intern (NULL, rhs, &r_w, &r_h);
- icon_size_lookup_intern (NULL, lhs, &l_w, &l_h);
+ icon_size_lookup_intern (NULL, rhs, 1, &r_w, &r_h);
+ icon_size_lookup_intern (NULL, lhs, 1, &l_w, &l_h);
return r_w == l_w && r_h == l_h;
#endif
@@ -1372,7 +1391,8 @@ render_icon_name_pixbuf (GtkIconSource *icon_source,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
- const char *detail)
+ const char *detail,
+ gboolean scale_requested)
{
GdkPixbuf *pixbuf;
GdkPixbuf *tmp_pixbuf;
@@ -1383,6 +1403,7 @@ render_icon_name_pixbuf (GtkIconSource *icon_source,
gint width, height, pixel_size;
gint *sizes, *s, dist;
GError *error = NULL;
+ gdouble scale = 1;
if (widget && gtk_widget_has_screen (widget))
screen = gtk_widget_get_screen (widget);
@@ -1398,6 +1419,14 @@ render_icon_name_pixbuf (GtkIconSource *icon_source,
icon_theme = gtk_icon_theme_get_for_screen (screen);
settings = gtk_settings_get_for_screen (screen);
+ if (scale_requested && widget)
+ {
+ if (!widget->window)
+ gtk_widget_realize (widget);
+
+ scale = gdk_window_get_scale_factor (widget->window);
+ }
+
if (!gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
{
if (size == (GtkIconSize)-1)
@@ -1440,7 +1469,7 @@ render_icon_name_pixbuf (GtkIconSource *icon_source,
}
}
- pixel_size = MIN (width, height);
+ pixel_size = MIN (width, height) * scale;
if (icon_source->direction != GTK_TEXT_DIR_NONE)
{
@@ -1504,7 +1533,8 @@ find_and_render_icon_source (GtkIconSet *icon_set,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
- const char *detail)
+ const char *detail,
+ gboolean scale_requested)
{
GSList *failed = NULL;
GdkPixbuf *pixbuf = NULL;
@@ -1546,7 +1576,7 @@ find_and_render_icon_source (GtkIconSet *icon_set,
case GTK_ICON_SOURCE_STATIC_ICON_NAME:
pixbuf = render_icon_name_pixbuf (source, style,
direction, state, size,
- widget, detail);
+ widget, detail, scale_requested);
if (!pixbuf)
failed = g_slist_prepend (failed, source);
break;
@@ -1598,6 +1628,84 @@ render_fallback_image (GtkStyle *style,
detail);
}
+static gdouble
+_get_real_scale (GtkWidget *widget,
+ GtkStyle *style,
+ GtkIconSize size,
+ GdkPixbuf *icon)
+{
+ GtkSettings *settings;
+ GdkScreen *screen;
+ gint icon_width;
+
+ if (widget && gtk_widget_has_screen (widget))
+ screen = gtk_widget_get_screen (widget);
+ else if (style && style->colormap)
+ screen = gdk_colormap_get_screen (style->colormap);
+ else
+ {
+ screen = gdk_screen_get_default ();
+ GTK_NOTE (MULTIHEAD,
+ g_warning ("Using the default screen for gtk_icon_set_render_icon()"));
+ }
+
+ settings = gtk_settings_get_for_screen (screen);
+ gtk_icon_size_lookup_for_settings (settings, size, &icon_width, NULL);
+
+ return (gdouble) gdk_pixbuf_get_width (icon) / icon_width;
+}
+
+GdkPixbuf*
+gtk_icon_set_render_icon_internal (GtkIconSet *icon_set,
+ GtkStyle *style,
+ GtkTextDirection direction,
+ GtkStateType state,
+ GtkIconSize size,
+ GtkWidget *widget,
+ const char *detail,
+ gboolean scale_requested,
+ gdouble *real_scale)
+{
+ GdkPixbuf *icon;
+
+ if (real_scale)
+ *real_scale = 1;
+
+ if (icon_set->sources == NULL)
+ return render_fallback_image (style, direction, state, size, widget, detail);
+
+ if (detail == NULL)
+ {
+ icon = find_in_cache (icon_set, style, direction,
+ state, size);
+
+ if (icon)
+ {
+ g_object_ref (icon);
+
+ if (scale_requested && real_scale)
+ *real_scale = _get_real_scale (widget, style, size, icon);
+
+ return icon;
+ }
+ }
+
+
+ icon = find_and_render_icon_source (icon_set, style, direction, state, size,
+ widget, detail, scale_requested);
+
+ if (icon == NULL)
+ icon = render_fallback_image (style, direction, state, size, widget, detail);
+
+ if (detail == NULL)
+ add_to_cache (icon_set, style, direction, state, size, icon);
+
+ if (scale_requested && real_scale)
+ *real_scale = _get_real_scale (widget, style, size, icon);
+
+ return icon;
+}
+
/**
* gtk_icon_set_render_icon:
* @icon_set: a #GtkIconSet
@@ -1631,37 +1739,30 @@ gtk_icon_set_render_icon (GtkIconSet *icon_set,
GtkWidget *widget,
const char *detail)
{
- GdkPixbuf *icon;
-
g_return_val_if_fail (icon_set != NULL, NULL);
g_return_val_if_fail (style == NULL || GTK_IS_STYLE (style), NULL);
- if (icon_set->sources == NULL)
- return render_fallback_image (style, direction, state, size, widget, detail);
-
- if (detail == NULL)
- {
- icon = find_in_cache (icon_set, style, direction,
- state, size);
-
- if (icon)
- {
- g_object_ref (icon);
- return icon;
- }
- }
-
-
- icon = find_and_render_icon_source (icon_set, style, direction, state, size,
- widget, detail);
-
- if (icon == NULL)
- icon = render_fallback_image (style, direction, state, size, widget, detail);
+ return gtk_icon_set_render_icon_internal (icon_set, style, direction,
+ state, size, widget, detail,
+ FALSE, NULL);
+}
- if (detail == NULL)
- add_to_cache (icon_set, style, direction, state, size, icon);
+GdkPixbuf*
+gtk_icon_set_render_icon_scaled (GtkIconSet *icon_set,
+ GtkStyle *style,
+ GtkTextDirection direction,
+ GtkStateType state,
+ GtkIconSize size,
+ GtkWidget *widget,
+ const char *detail,
+ gdouble *real_scale)
+{
+ g_return_val_if_fail (icon_set != NULL, NULL);
+ g_return_val_if_fail (style == NULL || GTK_IS_STYLE (style), NULL);
- return icon;
+ return gtk_icon_set_render_icon_internal (icon_set, style, direction,
+ state, size, widget, detail,
+ TRUE, real_scale);
}
/* Order sources by their "wildness", so that "wilder" sources are
diff --git a/gtk/gtkiconfactory.h b/gtk/gtkiconfactory.h
index ea97123..e38f8e6 100644
--- a/gtk/gtkiconfactory.h
+++ b/gtk/gtkiconfactory.h
@@ -105,6 +105,11 @@ gboolean gtk_icon_size_lookup_for_settings (GtkSettings *settings,
GtkIconSize size,
gint *width,
gint *height);
+gboolean gtk_icon_size_lookup_scaled (GtkSettings *settings,
+ GtkIconSize size,
+ gdouble scale,
+ gint *width,
+ gint *height);
GtkIconSize gtk_icon_size_register (const gchar *name,
gint width,
@@ -134,7 +139,14 @@ GdkPixbuf* gtk_icon_set_render_icon (GtkIconSet *icon_set,
GtkIconSize size,
GtkWidget *widget,
const char *detail);
-
+GdkPixbuf* gtk_icon_set_render_icon_scaled (GtkIconSet *icon_set,
+ GtkStyle *style,
+ GtkTextDirection direction,
+ GtkStateType state,
+ GtkIconSize size,
+ GtkWidget *widget,
+ const char *detail,
+ gdouble *real_scale);
void gtk_icon_set_add_source (GtkIconSet *icon_set,
const GtkIconSource *source);
--
1.7.10.2 (Apple Git-33)
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