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Diffstat (limited to 'libs/flowcanvas/flowcanvas/FlowCanvas.h')
| -rw-r--r-- | libs/flowcanvas/flowcanvas/FlowCanvas.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/libs/flowcanvas/flowcanvas/FlowCanvas.h b/libs/flowcanvas/flowcanvas/FlowCanvas.h deleted file mode 100644 index ab6c85f410..0000000000 --- a/libs/flowcanvas/flowcanvas/FlowCanvas.h +++ /dev/null @@ -1,152 +0,0 @@ -/* This file is part of FlowCanvas. Copyright (C) 2005 Dave Robillard. - * - * FlowCanvas is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * FlowCanvas 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 General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - - -#ifndef FLOWCANVAS_H -#define FLOWCANVAS_H - -#include <string> -#include <list> -#include <libgnomecanvasmm.h> -#include "Connection.h" -#include "Module.h" - -using std::string; -using std::list; - - -/** FlowCanvas namespace, everything is defined under this. - * - * \ingroup FlowCanvas - */ -namespace LibFlowCanvas { - -class Port; -class Module; - - -/** \defgroup FlowCanvas Canvas widget for dataflow systems. - * - * A generic dataflow widget using libgnomecanvas. It's used by Om and - * Patchage, but could be used by anyone. - */ - - -/** The canvas widget. - * - * Applications must override some virtual methods to make the widget actually - * do anything (ie connect). - * - * \ingroup FlowCanvas - */ -#ifdef FLOWCANVAS_AA -class FlowCanvas : public Gnome::Canvas::CanvasAA -#else -class FlowCanvas : public Gnome::Canvas::Canvas -#endif // FLOWCANVAS_AA -{ -public: - FlowCanvas(double width, double height); - virtual ~FlowCanvas(); - - void destroy(); - - void add_module(Module* m); - void remove_module(const string& name); - - void add_connection(const string& mod1_name, const string& port1_name, const string& mod2_name, const string& port2_name); - bool remove_connection(const string& mod1_name, const string& port1_name, const string& mod2_name, const string& port2_name); - - void add_connection(Port* port1, Port* port2); - bool remove_connection(Port* port1, Port* port2); - - Module* find_module(const string& name); - Port* find_port(const string& module_name, const string& port_name); - - void rename_module(const string& old_name, const string& new_name); - - void set_default_placement(Module* m); - - float zoom() { return m_zoom; } - void zoom(float pix_per_unit); - - double width() const { return m_width; } - double height() const { return m_height; } - - void clear_selection(); - void select_module(Module* m); - void unselect_module(Module* m); - - ModuleMap& modules() { return m_modules; } - list<Module*>& selected_modules() { return m_selected_modules; } - list<Connection*>& selected_connections() { return m_selected_connections; } - - /** Dash applied to selected items. - * Always animating, set a rect's property_dash() to this and it - * will automagically do the rubber band thing. */ - ArtVpathDash* const select_dash() { return m_select_dash; } - - virtual bool port_event(GdkEvent* event, Port* port); - - /** Make a connection. Should be overridden by an implementation to do something. */ - virtual void connect(const Port* const port1, const Port* const port2) = 0; - - /** Disconnect two ports. Should be overridden by an implementation to do something */ - virtual void disconnect(const Port* const port1, const Port* const port2) = 0; - -protected: - ModuleMap m_modules; ///< All modules on this canvas - ConnectionList m_connections; ///< All connections on this canvas - list<Module*> m_selected_modules; ///< All currently selected modules - list<Connection*> m_selected_connections; ///< All currently selected connections - - virtual bool canvas_event(GdkEvent* event) { return false; } - -private: - Connection* get_connection(const Port* port1, const Port* port2); - void remove_connection(Connection* c); - void selected_port(Port* p); - Port* selected_port() { return m_selected_port; } - bool are_connected(const Port* port1, const Port* port2); - Port* get_port_at(double x, double y); - - //bool scroll_drag_handler(GdkEvent* event); - virtual bool select_drag_handler(GdkEvent* event); - virtual bool connection_drag_handler(GdkEvent* event); - - void ports_joined(Port* port1, Port* port2); - bool animate_selected(); - - Port* m_selected_port; ///< Selected port (hilited red from clicking once) - Port* m_connect_port; ///< Port for which a connection is being made (if applicable) - - float m_zoom; ///< Current zoom level - double m_width; - double m_height; - - enum DragState { NOT_DRAGGING, CONNECTION, SCROLL, SELECT }; - DragState m_drag_state; - - Gnome::Canvas::Rect m_base_rect; ///< Background - - Gnome::Canvas::Rect* m_select_rect; ///< Rectangle for drag selection - ArtVpathDash* m_select_dash; ///< Animated selection dash style -}; - - -} // namespace LibFlowCanvas - -#endif // FLOWCANVAS_H |