diff options
Diffstat (limited to 'src/event-context.h')
| -rw-r--r-- | src/event-context.h | 93 |
1 files changed, 56 insertions, 37 deletions
diff --git a/src/event-context.h b/src/event-context.h index e97a8ad8f..33bab5e3e 100644 --- a/src/event-context.h +++ b/src/event-context.h @@ -23,7 +23,7 @@ class GrDrag; class SPDesktop; class SPItem; class ShapeEditor; -struct SPEventContext; +class SPEventContext; namespace Inkscape { class MessageContext; @@ -33,13 +33,8 @@ namespace Inkscape { } } - -#define SP_TYPE_EVENT_CONTEXT (sp_event_context_get_type()) -#define SP_EVENT_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_EVENT_CONTEXT, SPEventContext)) -#define SP_EVENT_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_EVENT_CONTEXT, SPEventContextClass)) -#define SP_IS_EVENT_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_EVENT_CONTEXT)) - -GType sp_event_context_get_type(); +#define SP_EVENT_CONTEXT(obj) (dynamic_cast<SPEventContext*>((SPEventContext*)obj)) +#define SP_IS_EVENT_CONTEXT(obj) (dynamic_cast<const SPEventContext*>((const SPEventContext*)obj) != NULL) gboolean sp_event_context_snap_watchdog_callback(gpointer data); void sp_event_context_discard_delayed_snap_event(SPEventContext *ec); @@ -104,14 +99,15 @@ void sp_event_context_snap_delay_handler(SPEventContext *ec, gpointer const dse_ * plus few abstract base classes. Writing a new tool involves * subclassing SPEventContext. */ -struct SPEventContext : public GObject { +class SPEventContext { +public: void enableSelectionCue (bool enable=true); void enableGrDrag (bool enable=true); bool deleteSelectedDrag(bool just_one); - /// Desktop eventcontext stack - SPEventContext *next; - unsigned key; + SPEventContext(); + virtual ~SPEventContext(); + SPDesktop *desktop; Inkscape::Preferences::Observer *pref_observer; gchar const *const *cursor_shape; @@ -126,10 +122,10 @@ struct SPEventContext : public GObject { ///< be selected if this is a click not drag Inkscape::MessageContext *defaultMessageContext() { - return _message_context; + return message_context; } - Inkscape::MessageContext *_message_context; + Inkscape::MessageContext *message_context; Inkscape::SelCue *_selcue; @@ -143,20 +139,43 @@ struct SPEventContext : public GObject { DelayedSnapEvent *_delayed_snap_event; bool _dse_callback_in_process; - char const * tool_url; ///< the (preferences) url for the tool (if a subclass corresponding to a tool is used) -}; + virtual void setup(); + virtual void finish(); -/** - * The SPEvent vtable. - */ -struct SPEventContextClass : public GObjectClass { - void (* setup)(SPEventContext *ec); - void (* finish)(SPEventContext *ec); - void (* set)(SPEventContext *ec, Inkscape::Preferences::Entry *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); + // Is called by our pref_observer if a preference has been changed. + virtual void set(const Inkscape::Preferences::Entry& val); + + virtual void activate(); + virtual void deactivate(); + + virtual bool root_handler(GdkEvent* event); + virtual bool item_handler(SPItem* item, GdkEvent* event); + + virtual const std::string& getPrefsPath() = 0; + + /** + * An observer that relays pref changes to the derived classes. + */ + class ToolPrefObserver: public Inkscape::Preferences::Observer { + public: + ToolPrefObserver(Glib::ustring const &path, SPEventContext *ec) : + Inkscape::Preferences::Observer(path), ec(ec) { + } + + virtual void notify(Inkscape::Preferences::Entry const &val) { + ec->set(val); + } + + private: + SPEventContext * const ec; + }; + +//protected: + void sp_event_context_update_cursor(); + +private: + SPEventContext(const SPEventContext&); + SPEventContext& operator=(const SPEventContext&); }; #define SP_EVENT_CONTEXT_DESKTOP(e) (SP_EVENT_CONTEXT(e)->desktop) @@ -164,11 +183,11 @@ struct SPEventContextClass : public GObjectClass { #define SP_EVENT_CONTEXT_STATIC 0 -SPEventContext *sp_event_context_new(GType type, SPDesktop *desktop, gchar const *pref_path, unsigned key); -void sp_event_context_finish(SPEventContext *ec); +//SPEventContext *sp_event_context_new(GType type, SPDesktop *desktop, gchar const *pref_path, 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); +//void sp_event_context_deactivate(SPEventContext *ec); gint sp_event_context_root_handler(SPEventContext *ec, GdkEvent *event); gint sp_event_context_virtual_root_handler(SPEventContext *ec, GdkEvent *event); @@ -180,7 +199,7 @@ 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_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); @@ -192,14 +211,14 @@ SPItem *sp_event_context_over_item (SPDesktop *desktop, SPItem *item, Geom::Poin void sp_toggle_dropper(SPDesktop *dt); -ShapeEditor *sp_event_context_get_shape_editor (SPEventContext *ec); +//ShapeEditor *sp_event_context_get_shape_editor (SPEventContext *ec); bool sp_event_context_knot_mouseover(SPEventContext *ec); -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); - -void event_context_print_event_info(GdkEvent *event, bool print_return = true); +//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); +// +//void event_context_print_event_info(GdkEvent *event, bool print_return = true); #endif // SEEN_SP_EVENT_CONTEXT_H |