166 lines
4.4 KiB
C++
166 lines
4.4 KiB
C++
// Filename: pgEntry.h
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// Created by: drose (10Jul01)
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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, 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://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PGENTRY_H
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#define PGENTRY_H
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#include "pandabase.h"
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#include "pgItem.h"
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#include "textNode.h"
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#include "pointerTo.h"
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#include "pvector.h"
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#include "clockObject.h"
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////////////////////////////////////////////////////////////////////
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// Class : PGEntry
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// Description : This is a particular kind of PGItem that handles
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// simple one-line text entries, of the sort where the
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// user can type any string.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA PGEntry : public PGItem {
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PUBLISHED:
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PGEntry(const string &name = "");
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virtual ~PGEntry();
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public:
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PGEntry(const PGEntry ©);
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void operator = (const PGEntry ©);
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virtual Node *make_copy() const;
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virtual void draw_item(PGTop *top, GraphicsStateGuardian *gsg,
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const AllAttributesWrapper &attrib);
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virtual void press(const MouseWatcherParameter ¶m);
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virtual void accept(const MouseWatcherParameter ¶m);
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virtual void overflow(const MouseWatcherParameter ¶m);
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PUBLISHED:
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enum State {
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S_focus = 0,
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S_no_focus,
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S_inactive
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};
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void setup(float width, int num_lines);
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INLINE void set_text(const string &text);
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INLINE const string &get_text() const;
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INLINE void set_cursor_position(int position);
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INLINE int get_cursor_position() const;
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INLINE void set_max_chars(int max_chars);
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INLINE int get_max_chars() const;
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INLINE void set_max_width(float max_width);
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INLINE float get_max_width() const;
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INLINE void set_num_lines(int num_lines);
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INLINE int get_num_lines() const;
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INLINE void set_blink_rate(float blink_rate);
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INLINE float get_blink_rate() const;
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INLINE Node *get_cursor_def();
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INLINE void clear_cursor_def();
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void set_text_def(int state, TextNode *node);
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TextNode *get_text_def(int state) const;
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virtual void set_active(bool active);
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virtual void set_focus(bool focus);
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INLINE static string get_accept_prefix();
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INLINE static string get_overflow_prefix();
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INLINE string get_accept_event(const ButtonHandle &button) const;
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INLINE string get_overflow_event() const;
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private:
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void slot_text_def(int state);
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void update_text();
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void update_cursor();
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void show_hide_cursor(bool visible);
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void update_state();
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string _text;
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int _cursor_position;
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bool _cursor_stale;
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bool _cursor_visible;
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int _max_chars;
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float _max_width;
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int _num_lines;
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typedef pvector< PT(TextNode) > TextDefs;
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TextDefs _text_defs;
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// This node is the root of the subgraph that renders both the text
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// and the cursor.
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PT_Node _text_render_root;
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// This is the arc that is attached to the above node when the text
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// is generated.
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NodeRelation *_current_text_arc;
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TextNode *_last_text_def;
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bool _text_geom_stale;
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// This is a list of each row of text in the entry, after it has
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// been wordwrapped by update_text(). It's used by update_cursor()
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// to compute the correct cursor position.
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class WWLine {
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public:
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string _str;
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float _left;
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};
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typedef pvector<WWLine> WWLines;
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WWLines _ww_lines;
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// This is the arc above the node that represents the cursor
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// geometry. It is also attached to the above node, and is
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// transformed around and/or hidden according to the cursor's
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// position and blink state.
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NodeRelation *_cursor_def;
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double _blink_start;
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double _blink_rate;
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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, "PGEntry",
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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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};
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#include "pgEntry.I"
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#endif
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