177 lines
5.1 KiB
C++
177 lines
5.1 KiB
C++
// Filename: pgSliderBar.h
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// Created by: masad (19Oct04)
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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) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PGSLIDERBAR_H
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#define PGSLIDERBAR_H
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#include "pandabase.h"
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#include "pgItem.h"
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#include "pgSliderBarNotify.h"
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#include "pgButtonNotify.h"
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#include "pgButton.h"
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////////////////////////////////////////////////////////////////////
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// Class : PGSliderBar
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// Description : This is a particular kind of PGItem that draws a
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// little bar with a slider that moves from left to
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// right indicating a value between the ranges.
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//
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// This is used as an implementation for both
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// DirectSlider and for DirectScrollBar.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_PGUI PGSliderBar : public PGItem, public PGButtonNotify {
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PUBLISHED:
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PGSliderBar(const string &name = "");
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virtual ~PGSliderBar();
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protected:
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PGSliderBar(const PGSliderBar ©);
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public:
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virtual PandaNode *make_copy() const;
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virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
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virtual void xform(const LMatrix4 &mat);
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virtual void press(const MouseWatcherParameter ¶m, bool background);
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virtual void release(const MouseWatcherParameter ¶m, bool background);
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virtual void move(const MouseWatcherParameter ¶m);
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virtual void adjust();
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INLINE void set_notify(PGSliderBarNotify *notify);
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INLINE PGSliderBarNotify *get_notify() const;
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PUBLISHED:
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void setup_scroll_bar(bool vertical, PN_stdfloat length, PN_stdfloat width, PN_stdfloat bevel);
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void setup_slider(bool vertical, PN_stdfloat length, PN_stdfloat width, PN_stdfloat bevel);
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INLINE void set_axis(const LVector3 &axis);
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INLINE const LVector3 &get_axis() const;
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INLINE void set_range(PN_stdfloat min_value, PN_stdfloat max_value);
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INLINE PN_stdfloat get_min_value() const;
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INLINE PN_stdfloat get_max_value() const;
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INLINE void set_scroll_size(PN_stdfloat scroll_size);
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INLINE PN_stdfloat get_scroll_size() const;
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INLINE void set_page_size(PN_stdfloat page_size);
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INLINE PN_stdfloat get_page_size() const;
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INLINE void set_value(PN_stdfloat value);
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INLINE PN_stdfloat get_value() const;
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INLINE void set_ratio(PN_stdfloat ratio);
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INLINE PN_stdfloat get_ratio() const;
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INLINE bool is_button_down() const;
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INLINE void set_resize_thumb(bool resize_thumb);
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INLINE bool get_resize_thumb() const;
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INLINE void set_manage_pieces(bool manage_pieces);
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INLINE bool get_manage_pieces() const;
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INLINE void set_thumb_button(PGButton *thumb_button);
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INLINE void clear_thumb_button();
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INLINE PGButton *get_thumb_button() const;
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INLINE void set_left_button(PGButton *left_button);
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INLINE void clear_left_button();
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INLINE PGButton *get_left_button() const;
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INLINE void set_right_button(PGButton *right_button);
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INLINE void clear_right_button();
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INLINE PGButton *get_right_button() const;
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INLINE static string get_adjust_prefix();
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INLINE string get_adjust_event() const;
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virtual void set_active(bool active);
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void remanage();
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void recompute();
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protected:
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virtual void frame_changed();
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virtual void item_transform_changed(PGItem *item);
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virtual void item_frame_changed(PGItem *item);
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virtual void item_draw_mask_changed(PGItem *item);
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virtual void item_press(PGItem *item, const MouseWatcherParameter ¶m);
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virtual void item_release(PGItem *item, const MouseWatcherParameter ¶m);
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virtual void item_move(PGItem *item, const MouseWatcherParameter ¶m);
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private:
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INLINE void internal_set_ratio(PN_stdfloat ratio);
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void reposition();
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void advance_scroll();
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void advance_page();
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void begin_drag();
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void continue_drag();
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void end_drag();
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private:
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bool _needs_remanage;
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bool _needs_recompute;
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bool _needs_reposition;
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PN_stdfloat _min_value, _max_value;
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PN_stdfloat _scroll_value, _scroll_ratio;
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PN_stdfloat _page_value, _page_ratio;
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PN_stdfloat _ratio;
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bool _resize_thumb;
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bool _manage_pieces;
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LVector3 _axis;
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PT(PGButton) _thumb_button;
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PT(PGButton) _left_button;
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PT(PGButton) _right_button;
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PN_stdfloat _min_x, _max_x, _thumb_width, _range_x;
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LPoint3 _thumb_start;
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PGItem *_scroll_button_held;
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bool _mouse_button_page;
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LPoint2 _mouse_pos;
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double _next_advance_time;
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bool _dragging;
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PN_stdfloat _drag_start_x;
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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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PGItem::init_type();
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register_type(_type_handle, "PGSliderBar",
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PGItem::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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friend class PGButton;
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};
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#include "pgSliderBar.I"
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#endif
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