1 files changed, 124 insertions, 0 deletions
diff --git a/capplets/display/scrollarea.h b/capplets/display/scrollarea.h
new file mode 100644
index 00000000..d1695fad
--- /dev/null
+++ b/capplets/display/scrollarea.h
@@ -0,0 +1,124 @@
+/* Copyright 2006, 2007, 2008, Soren Sandmann <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#include <cairo.h>
+#include <gtk/gtk.h>
+
+#define FOO_TYPE_SCROLL_AREA (foo_scroll_area_get_type ())
+#define FOO_SCROLL_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), FOO_TYPE_SCROLL_AREA, FooScrollArea))
+#define FOO_SCROLL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), FOO_TYPE_SCROLL_AREA, FooScrollAreaClass))
+#define FOO_IS_SCROLL_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), FOO_TYPE_SCROLL_AREA))
+#define FOO_IS_SCROLL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), FOO_TYPE_SCROLL_AREA))
+#define FOO_SCROLL_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), FOO_TYPE_SCROLL_AREA, FooScrollAreaClass))
+
+typedef struct FooScrollArea FooScrollArea;
+typedef struct FooScrollAreaClass FooScrollAreaClass;
+typedef struct FooScrollAreaPrivate FooScrollAreaPrivate;
+typedef struct FooScrollAreaEvent FooScrollAreaEvent;
+
+typedef enum
+{
+ FOO_BUTTON_PRESS,
+ FOO_BUTTON_RELEASE,
+ FOO_MOTION
+} FooScrollAreaEventType;
+
+struct FooScrollAreaEvent
+{
+ FooScrollAreaEventType type;
+ int x;
+ int y;
+};
+
+typedef void (* FooScrollAreaEventFunc) (FooScrollArea *area,
+ FooScrollAreaEvent *event,
+ gpointer data);
+
+struct FooScrollArea
+{
+ GtkContainer parent_instance;
+
+ FooScrollAreaPrivate *priv;
+};
+
+struct FooScrollAreaClass
+{
+ GtkContainerClass parent_class;
+
+ void (*set_scroll_adjustments) (FooScrollArea *scroll_area,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+
+ void (*viewport_changed) (FooScrollArea *scroll_area,
+ GdkRectangle *old_viewport,
+ GdkRectangle *new_viewport);
+
+ void (*paint) (FooScrollArea *scroll_area,
+ cairo_t *cr,
+ GdkRectangle *extents,
+ GdkRegion *region);
+};
+
+GType foo_scroll_area_get_type (void);
+
+FooScrollArea *foo_scroll_area_new (void);
+
+/* Set the requisition for the widget. */
+void foo_scroll_area_set_min_size (FooScrollArea *scroll_area,
+ int min_width,
+ int min_height);
+
+/* Set how much of the canvas can be scrolled into view */
+void foo_scroll_area_set_size (FooScrollArea *scroll_area,
+ int width,
+ int height);
+void foo_scroll_area_set_size_fixed_y (FooScrollArea *scroll_area,
+ int width,
+ int height,
+ int old_y,
+ int new_y);
+void foo_scroll_area_set_viewport_pos (FooScrollArea *scroll_area,
+ int x,
+ int y);
+void foo_scroll_area_get_viewport (FooScrollArea *scroll_area,
+ GdkRectangle *viewport);
+void foo_scroll_area_add_input_from_stroke (FooScrollArea *scroll_area,
+ cairo_t *cr,
+ FooScrollAreaEventFunc func,
+ gpointer data);
+void foo_scroll_area_add_input_from_fill (FooScrollArea *scroll_area,
+ cairo_t *cr,
+ FooScrollAreaEventFunc func,
+ gpointer data);
+void foo_scroll_area_invalidate_region (FooScrollArea *area,
+ GdkRegion *region);
+void foo_scroll_area_invalidate (FooScrollArea *scroll_area);
+void foo_scroll_area_invalidate_rect (FooScrollArea *scroll_area,
+ int x,
+ int y,
+ int width,
+ int height);
+void foo_scroll_area_begin_grab (FooScrollArea *scroll_area,
+ FooScrollAreaEventFunc func,
+ gpointer input_data);
+void foo_scroll_area_end_grab (FooScrollArea *scroll_area);
+gboolean foo_scroll_area_is_grabbed (FooScrollArea *scroll_area);
+
+void foo_scroll_area_begin_auto_scroll (FooScrollArea *scroll_area);
+void foo_scroll_area_auto_scroll (FooScrollArea *scroll_area,
+ FooScrollAreaEvent *event);
+void foo_scroll_area_end_auto_scroll (FooScrollArea *scroll_area);