moving trunk for module inkscape

(bzr r1)

1 files changed, 139 insertions, 0 deletions

diff --git a/src/event-context.h b/src/event-context.h
new file mode 100644
index 000000000..d319d233e
--- /dev/null
+++ b/src/event-context.h
@@ -0,0 +1,139 @@
+#ifndef __SP_EVENT_CONTEXT_H__
+#define __SP_EVENT_CONTEXT_H__
+
+/** \file
+ * SPEventContext: base class for event processors
+ *
+ * This is per desktop object, which (its derivatives) implements
+ * different actions bound to mouse events.
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Frank Felfe <innerspace@iname.com>
+ *
+ * Copyright (C) 1999-2002 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <glib-object.h>
+#include <gtk/gtkwidget.h>
+
+#include "forward.h"
+
+namespace Inkscape {
+namespace XML {
+class Node;
+}
+}
+
+namespace NR {
+class Point;
+}
+
+struct GrDrag;
+
+struct SPKnotHolder;
+
+namespace Inkscape {
+  class MessageContext;
+  class SelCue;
+}
+
+/**
+ * Base class for Event processors.
+ */
+struct SPEventContext : public GObject {
+    void enableSelectionCue (bool enable=true);
+    void enableGrDrag (bool enable=true);
+
+    /// Desktop eventcontext stack
+    SPEventContext *next;
+    unsigned key;
+    SPDesktop *desktop;
+    Inkscape::XML::Node *prefs_repr;
+    gchar **cursor_shape;
+    gint hot_x, hot_y;
+    GdkCursor *cursor;
+
+    gint xp, yp;           ///< where drag started
+    gint tolerance;
+    bool within_tolerance;  ///< are we still within tolerance of origin
+
+    SPItem *item_to_select; ///< the item where mouse_press occurred, to 
+                            ///< be selected if this is a click not drag
+
+    Inkscape::MessageContext *defaultMessageContext() {
+        return _message_context;
+    }
+
+    Inkscape::MessageContext *_message_context;
+
+    Inkscape::SelCue *_selcue;
+
+    GrDrag *_grdrag;
+    GrDrag *get_drag () {return _grdrag;}
+
+    SPKnotHolder *shape_knot_holder;
+    Inkscape::XML::Node *shape_repr;
+};
+
+/**
+ * The SPEvent vtable.
+ */
+struct SPEventContextClass : public GObjectClass {
+    void (* setup)(SPEventContext *ec);
+    void (* finish)(SPEventContext *ec);
+    void (* set)(SPEventContext *ec, gchar const *key, gchar const *val);
+    void (* activate)(SPEventContext *ec);
+    void (* deactivate)(SPEventContext *ec);
+    gint (* root_handler)(SPEventContext *ec, GdkEvent *event);
+    gint (* item_handler)(SPEventContext *ec, SPItem *item, GdkEvent *event);
+};
+
+#define SP_EVENT_CONTEXT_DESKTOP(e) (SP_EVENT_CONTEXT(e)->desktop)
+
+#define SP_EVENT_CONTEXT_STATIC 0
+
+SPEventContext *sp_event_context_new(GType type, SPDesktop *desktop, Inkscape::XML::Node *prefs_repr, unsigned key);
+void sp_event_context_finish(SPEventContext *ec);
+void sp_event_context_read(SPEventContext *ec, gchar const *key);
+void sp_event_context_activate(SPEventContext *ec);
+void sp_event_context_deactivate(SPEventContext *ec);
+
+gint sp_event_context_root_handler(SPEventContext *ec, GdkEvent *event);
+gint sp_event_context_item_handler(SPEventContext *ec, SPItem *item, GdkEvent *event);
+
+void sp_event_root_menu_popup(SPDesktop *desktop, SPItem *item, GdkEvent *event);
+
+gint gobble_key_events(guint keyval, gint mask);
+gint gobble_motion_events(gint mask);
+
+void sp_event_context_update_cursor(SPEventContext *ec);
+
+void sp_event_show_modifier_tip(Inkscape::MessageContext *message_context, GdkEvent *event,
+                                gchar const *ctrl_tip, gchar const *shift_tip, gchar const *alt_tip);
+
+guint get_group0_keyval(GdkEventKey *event);
+
+SPItem *sp_event_context_find_item (SPDesktop *desktop, NR::Point const p, bool select_under, bool into_groups);
+SPItem *sp_event_context_over_item (SPDesktop *desktop, SPItem *item, NR::Point const p);
+
+void ec_shape_event_attr_changed(Inkscape::XML::Node *shape_repr,
+                                     gchar const *name, gchar const *old_value, gchar const *new_value,
+                                 bool const is_interactive, gpointer const data);
+
+#endif
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :