[Xfce4-commits] PanelImage: allow scaling the image down (below allocation)

[Nick Schermer]

Updating branch refs/heads/master
         to 334f991cafbbe8d05f5ca9c5dac7ba4bba9a509e (commit)
       from 25cea7e621eb61327165df6b6146295f74192609 (commit)

commit 334f991cafbbe8d05f5ca9c5dac7ba4bba9a509e
Author: Andrzej <ndrwr...@gmail.com>
Date:   Wed Apr 17 02:24:58 2013 +0100

    PanelImage: allow scaling the image down (below allocation)
    
    Some containers (GtkBox(?)) refuse to allocate their child items below
    minimum requested size, even if that results in violating their own
    allocation.
    
    Reducing the minimum size allows these containers to iteratively
    reduce the size of the embedded PanelImage.
    
    When priv->size > 0 minimum size must be equal to the natural size.
    Otherwise icons displayed in menus will be too small (menus use
    a minimum size).

 libxfce4panel/xfce-panel-image.c |   38 ++++++++++++++++++++++++++++----------
 1 file changed, 28 insertions(+), 10 deletions(-)

diff --git a/libxfce4panel/xfce-panel-image.c b/libxfce4panel/xfce-panel-image.c
index 5d17419..1783f39 100644
--- a/libxfce4panel/xfce-panel-image.c
+++ b/libxfce4panel/xfce-panel-image.c
@@ -358,24 +358,33 @@ xfce_panel_image_get_preferred_width (GtkWidget *widget,
 {
   XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
   GtkAllocation          alloc;
-  gint                   width;
+  gint                   width, width_min;
+#ifdef GTK_BUTTON_SIZING_FIX
+  gint                   correction;
+#endif
 
   if (priv->size > 0)
-    width = priv->size;
+    width = width_min = priv->size;
   else if (priv->pixbuf != NULL)
-    width = gdk_pixbuf_get_width (priv->pixbuf);
+    {
+      width = gdk_pixbuf_get_width (priv->pixbuf);
+      width_min = width / 2;
+    }
   else
     {
       gtk_widget_get_allocation (widget, &alloc);
       width = alloc.width;
+      width_min = width / 2;
     }
 
 #ifdef GTK_BUTTON_SIZING_FIX
-  width -= xfce_panel_image_padding_correction (widget);
+  correction = xfce_panel_image_padding_correction (widget);
+  width -= correction;
+  width_min -= correction;
 #endif
 
   if (minimum_width != NULL)
-    *minimum_width = width;
+    *minimum_width = width_min;
 
   if (natural_width != NULL)
     *natural_width = width;
@@ -390,24 +399,33 @@ xfce_panel_image_get_preferred_height (GtkWidget *widget,
 {
   XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
   GtkAllocation          alloc;
-  gint                   height;
+  gint                   height, height_min;
+#ifdef GTK_BUTTON_SIZING_FIX
+  gint                   correction;
+#endif
 
   if (priv->size > 0)
-    height = priv->size;
+    height = height_min = priv->size;
   else if (priv->pixbuf != NULL)
-    height = gdk_pixbuf_get_height (priv->pixbuf);
+    {
+      height = gdk_pixbuf_get_height (priv->pixbuf);
+      height_min = height / 2;
+    }
   else
     {
       gtk_widget_get_allocation (widget, &alloc);
       height = alloc.height;
+      height_min = height / 2;
     }
 
 #ifdef GTK_BUTTON_SIZING_FIX
-  height -= xfce_panel_image_padding_correction (widget);
+  correction = xfce_panel_image_padding_correction (widget);
+  height -= correction;
+  height_min -= correction;
 #endif
 
   if (minimum_height != NULL)
-    *minimum_height = height;
+    *minimum_height = height_min;
 
   if (natural_height != NULL)
     *natural_height = height;
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