314 lines
10 KiB
C++
314 lines
10 KiB
C++
// Filename: mouseWatcher.h
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// Created by: drose (12Mar02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef MOUSEWATCHER_H
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#define MOUSEWATCHER_H
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#include "pandabase.h"
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#include "mouseWatcherRegion.h"
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#include "mouseWatcherGroup.h"
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#include "dataNode.h"
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#include "luse.h"
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#include "pointerTo.h"
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#include "eventHandler.h"
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#include "modifierButtons.h"
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#include "buttonHandle.h"
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#include "buttonEventList.h"
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#include "pointerEvent.h"
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#include "pointerEventList.h"
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#include "linmath_events.h"
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#include "bitArray.h"
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#include "clockObject.h"
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#include "pvector.h"
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#include "displayRegion.h"
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class MouseWatcherParameter;
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class DisplayRegion;
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////////////////////////////////////////////////////////////////////
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// Class : MouseWatcher
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// Description : This TFormer maintains a list of rectangular regions
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// on the screen that are considered special mouse
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// regions; typically these will be click buttons. When
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// the mouse passes in or out of one of these regions,
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// or when a button is clicked while the mouse is in one
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// of these regions, an event is thrown.
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//
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// Mouse events may also be suppressed from the rest of
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// the datagraph in these special regions.
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//
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// This class can also implement a software mouse
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// pointer by automatically generating a transform to
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// apply to a piece of geometry placed under the 2-d
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// scene graph. It will move the geometry around
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// according to the mouse's known position.
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//
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// Finally, this class can keep a record of the mouse
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// trail. This is useful if you want to know, not just
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// where the mouse is, but the exact sequence of movements
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// it took to get there. This information is mainly useful
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// for gesture-recognition code. To use trail logging,
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// you need to enable the generation of pointer events
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// in the GraphicsWindowInputDevice and set the trail
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// log duration in the MouseWatcher. Otherwise, the
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// trail log will be empty.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_TFORM MouseWatcher : public DataNode, public MouseWatcherGroup {
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PUBLISHED:
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MouseWatcher(const string &name = "");
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~MouseWatcher();
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bool remove_region(MouseWatcherRegion *region);
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INLINE bool has_mouse() const;
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INLINE bool is_mouse_open() const;
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INLINE const LPoint2f &get_mouse() const;
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INLINE float get_mouse_x() const;
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INLINE float get_mouse_y() const;
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INLINE bool is_over_region() const;
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INLINE bool is_over_region(float x, float y) const;
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INLINE bool is_over_region(const LPoint2f &pos) const;
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INLINE MouseWatcherRegion *get_over_region() const;
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INLINE MouseWatcherRegion *get_over_region(float x, float y) const;
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MouseWatcherRegion *get_over_region(const LPoint2f &pos) const;
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INLINE bool is_button_down(ButtonHandle button) const;
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INLINE void set_button_down_pattern(const string &pattern);
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INLINE const string &get_button_down_pattern() const;
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INLINE void set_button_up_pattern(const string &pattern);
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INLINE const string &get_button_up_pattern() const;
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INLINE void set_button_repeat_pattern(const string &pattern);
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INLINE const string &get_button_repeat_pattern() const;
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INLINE void set_enter_pattern(const string &pattern);
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INLINE const string &get_enter_pattern() const;
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INLINE void set_leave_pattern(const string &pattern);
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INLINE const string &get_leave_pattern() const;
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INLINE void set_within_pattern(const string &pattern);
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INLINE const string &get_within_pattern() const;
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INLINE void set_without_pattern(const string &pattern);
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INLINE const string &get_without_pattern() const;
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INLINE void set_geometry(PandaNode *node);
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INLINE bool has_geometry() const;
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INLINE PandaNode *get_geometry() const;
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INLINE void clear_geometry();
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INLINE void set_extra_handler(EventHandler *eh);
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INLINE EventHandler *get_extra_handler() const;
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INLINE void set_modifier_buttons(const ModifierButtons &mods);
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INLINE ModifierButtons get_modifier_buttons() const;
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INLINE void set_display_region(DisplayRegion *dr);
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INLINE void clear_display_region();
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INLINE DisplayRegion *get_display_region() const;
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INLINE bool has_display_region() const;
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bool add_group(MouseWatcherGroup *group);
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bool remove_group(MouseWatcherGroup *group);
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bool replace_group(MouseWatcherGroup *old_group, MouseWatcherGroup *new_group);
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int get_num_groups() const;
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MouseWatcherGroup *get_group(int n) const;
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INLINE void set_inactivity_timeout(double timeout);
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INLINE bool has_inactivity_timeout() const;
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INLINE double get_inactivity_timeout() const;
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INLINE void clear_inactivity_timeout();
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INLINE void set_inactivity_timeout_event(const string &event);
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INLINE const string &get_inactivity_timeout_event() const;
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INLINE CPT(PointerEventList) get_trail_log() const;
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INLINE int num_trail_recent() const;
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void set_trail_log_duration(double duration);
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PT(GeomNode) get_trail_node();
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void clear_trail_node();
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INLINE void clear_trail_log();
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void note_activity();
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public:
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virtual void output(ostream &out) const;
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virtual void write(ostream &out, int indent_level = 0) const;
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protected:
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void get_over_regions(Regions ®ions, const LPoint2f &pos) const;
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static MouseWatcherRegion *get_preferred_region(const Regions ®ions);
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void set_current_regions(Regions ®ions);
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void clear_current_regions();
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#ifndef NDEBUG
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virtual void do_show_regions(const NodePath &render2d,
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const string &bin_name, int draw_order);
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virtual void do_hide_regions();
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#endif // NDEBUG
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static void intersect_regions(Regions &only_a,
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Regions &only_b,
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Regions &both,
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const Regions ®ions_a,
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const Regions ®ions_b);
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static bool remove_region_from(Regions ®ions,
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MouseWatcherRegion *region);
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static bool has_region_in(const Regions ®ions,
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MouseWatcherRegion *region);
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void throw_event_pattern(const string &pattern,
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const MouseWatcherRegion *region,
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const ButtonHandle &button);
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void move();
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void press(ButtonHandle button, bool keyrepeat);
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void release(ButtonHandle button);
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void keystroke(int keycode);
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void candidate(const wstring &candidate, size_t highlight_start,
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size_t highlight_end, size_t cursor_pos);
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void global_keyboard_press(const MouseWatcherParameter ¶m);
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void global_keyboard_release(const MouseWatcherParameter ¶m);
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INLINE void within_region(MouseWatcherRegion *region, const MouseWatcherParameter ¶m);
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INLINE void without_region(MouseWatcherRegion *region, const MouseWatcherParameter ¶m);
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void enter_region(MouseWatcherRegion *region, const MouseWatcherParameter ¶m);
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void exit_region(MouseWatcherRegion *region, const MouseWatcherParameter ¶m);
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void set_no_mouse();
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void set_mouse(const LVecBase2f &xy, const LVecBase2f &pixel_xy);
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private:
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void consider_keyboard_suppress(const MouseWatcherRegion *region);
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void discard_excess_trail_log();
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void update_trail_node();
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private:
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// This wants to be a set, but because you cannot export sets across
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// dlls in windows, we will make it a vector instead
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typedef pvector< PT(MouseWatcherGroup) > Groups;
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Groups _groups;
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bool _has_mouse;
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int _internal_suppress;
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int _external_suppress;
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LPoint2f _mouse;
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LPoint2f _mouse_pixel;
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BitArray _current_buttons_down;
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PT(PointerEventList) _trail_log;
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int _num_trail_recent;
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double _trail_log_duration;
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PT(GeomNode) _trail_node;
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Regions _current_regions;
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PT(MouseWatcherRegion) _preferred_region;
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PT(MouseWatcherRegion) _preferred_button_down_region;
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bool _button_down;
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bool _enter_multiple;
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bool _implicit_click;
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string _button_down_pattern;
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string _button_up_pattern;
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string _button_repeat_pattern;
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string _enter_pattern;
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string _leave_pattern;
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string _within_pattern;
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string _without_pattern;
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PT(PandaNode) _geometry;
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EventHandler *_eh;
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ModifierButtons _mods;
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DisplayRegion *_display_region;
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bool _has_inactivity_timeout;
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double _inactivity_timeout;
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string _inactivity_timeout_event;
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double _last_activity;
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enum InactivityState {
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IS_active,
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IS_inactive,
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IS_active_to_inactive,
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IS_inactive_to_active,
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};
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InactivityState _inactivity_state;
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#ifndef NDEBUG
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NodePath _show_regions_render2d;
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string _show_regions_bin_name;
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int _show_regions_draw_order;
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#endif
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protected:
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// Inherited from DataNode
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virtual void do_transmit_data(DataGraphTraverser *trav,
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const DataNodeTransmit &input,
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DataNodeTransmit &output);
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private:
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// inputs
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int _pixel_xy_input;
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int _pixel_size_input;
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int _xy_input;
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int _button_events_input;
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int _pointer_events_input;
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// outputs
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int _pixel_xy_output;
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int _pixel_size_output;
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int _xy_output;
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int _button_events_output;
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PT(EventStoreVec2) _pixel_xy;
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PT(EventStoreVec2) _xy;
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PT(EventStoreVec2) _pixel_size;
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PT(ButtonEventList) _button_events;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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DataNode::init_type();
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register_type(_type_handle, "MouseWatcher",
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DataNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "mouseWatcher.I"
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#endif
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