QGtkStyle: support for the inner-border property in GtkButtons

This additional padding was not taken into account up to now. It didn't
matter for desktop themes, but Maemo5 uses a large (8pix) padding that can
not be ignored.

Reviewed-by: jbache

3 files changed, 20 insertions, 0 deletions

diff --git a/src/gui/styles/qgtkstyle.cpp b/src/gui/styles/qgtkstyle.cpp
index afa3325..097a2b5 100644
--- a/src/gui/styles/qgtkstyle.cpp
+++ b/src/gui/styles/qgtkstyle.cpp
@@ -3375,12 +3375,28 @@ QIcon QGtkStyle::standardIconImplementation(StandardPixmap standardIcon,
 /*! \reimp */
 QRect QGtkStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const
 {
+    Q_D(const QGtkStyle);
+
     QRect r = QCleanlooksStyle::subElementRect(element, option, widget);
     switch (element) {
     case SE_ProgressBarLabel:
     case SE_ProgressBarContents:
     case SE_ProgressBarGroove:
         return option->rect;
+    case SE_PushButtonContents:
+        if (!d->gtk_check_version(2, 10, 0)) {
+            GtkWidget *gtkButton = d->gtkWidget(QLS("GtkButton"));
+            GtkBorder *border = 0;
+            d->gtk_widget_style_get(gtkButton, "inner-border", &border, NULL);
+            if (border) {
+                r = option->rect.adjusted(border->left, border->top, -border->right, -border->top);
+                d->gtk_border_free(border);
+            } else {
+                r = option->rect.adjusted(1, 1, -1, -1);
+            }
+            r = visualRect(option->direction, option->rect, r);
+        }
+        break;
     default:
         break;
     }
diff --git a/src/gui/styles/qgtkstyle_p.cpp b/src/gui/styles/qgtkstyle_p.cpp
index 22dfc62..a644a5b 100644
--- a/src/gui/styles/qgtkstyle_p.cpp
+++ b/src/gui/styles/qgtkstyle_p.cpp
@@ -158,6 +158,7 @@ Ptr_gtk_window_get_type QGtkStylePrivate::gtk_window_get_type = 0;
 Ptr_gtk_widget_get_type QGtkStylePrivate::gtk_widget_get_type = 0;
 Ptr_gtk_rc_get_style_by_paths QGtkStylePrivate::gtk_rc_get_style_by_paths = 0;
 Ptr_gtk_check_version QGtkStylePrivate::gtk_check_version = 0;
+Ptr_gtk_border_free QGtkStylePrivate::gtk_border_free = 0;
 
 Ptr_pango_font_description_get_size QGtkStylePrivate::pango_font_description_get_size = 0;
 Ptr_pango_font_description_get_weight QGtkStylePrivate::pango_font_description_get_weight = 0;
@@ -416,6 +417,7 @@ void QGtkStylePrivate::resolveGtk() const
     gtk_widget_get_type =(Ptr_gtk_widget_get_type)libgtk.resolve("gtk_widget_get_type");
     gtk_rc_get_style_by_paths =(Ptr_gtk_rc_get_style_by_paths)libgtk.resolve("gtk_rc_get_style_by_paths");
     gtk_check_version =(Ptr_gtk_check_version)libgtk.resolve("gtk_check_version");
+    gtk_border_free =(Ptr_gtk_border_free)libgtk.resolve("gtk_border_free");
     pango_font_description_get_size = (Ptr_pango_font_description_get_size)libgtk.resolve("pango_font_description_get_size");
     pango_font_description_get_weight = (Ptr_pango_font_description_get_weight)libgtk.resolve("pango_font_description_get_weight");
     pango_font_description_get_family = (Ptr_pango_font_description_get_family)libgtk.resolve("pango_font_description_get_family");
diff --git a/src/gui/styles/qgtkstyle_p.h b/src/gui/styles/qgtkstyle_p.h
index f6ab8a3..c27308f 100644
--- a/src/gui/styles/qgtkstyle_p.h
+++ b/src/gui/styles/qgtkstyle_p.h
@@ -176,6 +176,7 @@ typedef GtkWidget* (*Ptr_gtk_file_chooser_dialog_new)(const gchar *title,
 typedef void (*Ptr_gtk_file_chooser_set_current_name) (GtkFileChooser *, const gchar *);
 typedef gboolean (*Ptr_gtk_file_chooser_set_filename) (GtkFileChooser *chooser, const gchar *name);
 typedef gint (*Ptr_gtk_dialog_run) (GtkDialog*);
+typedef void (*Ptr_gtk_border_free)(GtkBorder *);
 
 typedef guchar* (*Ptr_gdk_pixbuf_get_pixels) (const GdkPixbuf *pixbuf);
 typedef int (*Ptr_gdk_pixbuf_get_width) (const GdkPixbuf *pixbuf);
@@ -371,6 +372,7 @@ public:
     static Ptr_gtk_widget_get_type gtk_widget_get_type;
     static Ptr_gtk_rc_get_style_by_paths gtk_rc_get_style_by_paths;
     static Ptr_gtk_check_version gtk_check_version;
+    static Ptr_gtk_border_free gtk_border_free;
 
     static Ptr_pango_font_description_get_size pango_font_description_get_size;
     static Ptr_pango_font_description_get_weight pango_font_description_get_weight;