panda3d/panda/src/pgui/pgEntry.I
2002-02-16 19:37:06 +00:00

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// Filename: pgEntry.I
// Created by: drose (10Jul01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_text
// Access: Published
// Description: Changes the text currently displayed within the
// entry. This uses the Unicode encoding currently
// specified for the "focus" TextNode; therefore, the
// TextNode must exist before calling set_text().
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_text(const string &text) {
TextNode *text_node = get_text_def(S_focus);
nassertv(text_node != (TextNode *)NULL);
set_wtext(text_node->decode_text(text));
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_text
// Access: Published
// Description: Returns the text currently displayed within the
// entry. This uses the Unicode encoding currently
// specified for the "focus" TextNode; therefore, the
// TextNode must exist before calling get_text().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_text() const {
TextNode *text_node = get_text_def(S_focus);
nassertr(text_node != (TextNode *)NULL, string());
return text_node->encode_wtext(get_wtext());
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_cursor_position
// Access: Published
// Description: Sets the current position of the cursor. This is the
// position within the text at which the next letter
// typed by the user will be inserted; normally it is
// the same as the length of the text.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_cursor_position(int position) {
if (_cursor_position != position) {
_cursor_position = position;
_cursor_stale = true;
_blink_start = ClockObject::get_global_clock()->get_frame_time();
}
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_cursor_position
// Access: Published
// Description: Returns the current position of the cursor.
////////////////////////////////////////////////////////////////////
INLINE int PGEntry::
get_cursor_position() const {
return _cursor_position;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_max_chars
// Access: Published
// Description: Sets the maximum number of characters that may be
// typed into the entry. This is a limit on the number
// of characters, as opposed to the width of the entry;
// see also set_max_width().
//
// If this is 0, there is no limit.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_max_chars(int max_chars) {
_max_chars = max_chars;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_max_chars
// Access: Published
// Description: Returns the current maximum number of characters that
// may be typed into the entry, or 0 if there is no
// limit. See set_max_chars().
////////////////////////////////////////////////////////////////////
INLINE int PGEntry::
get_max_chars() const {
return _max_chars;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_max_width
// Access: Published
// Description: Sets the maximum width of all characters that may be
// typed into the entry. This is a limit on the width
// of the formatted text, not a fixed limit on the
// number of characters; also set_max_chars().
//
// If this is 0, there is no limit.
//
// If _num_lines is more than 1, rather than being a
// fixed width on the whole entry, this becomes instead
// the wordwrap width (and the width limit on the entry
// is essentially _max_width * _num_lines).
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_max_width(float max_width) {
_max_width = max_width;
_text_geom_stale = true;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_max_width
// Access: Published
// Description: Returns the current maximum width of the characters
// that may be typed into the entry, or 0 if there is no
// limit. See set_max_width().
////////////////////////////////////////////////////////////////////
INLINE float PGEntry::
get_max_width() const {
return _max_width;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_num_lines
// Access: Published
// Description: Sets the number of lines of text the PGEntry will
// use. This only has meaning if _max_width is not 0;
// _max_width indicates the wordwrap width of each line.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_num_lines(int num_lines) {
nassertv(num_lines >= 1);
_num_lines = num_lines;
_text_geom_stale = true;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_num_lines
// Access: Published
// Description: Returns the number of lines of text the PGEntry will
// use, if _max_width is not 0. See set_num_lines().
////////////////////////////////////////////////////////////////////
INLINE int PGEntry::
get_num_lines() const {
return _num_lines;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_blink_rate
// Access: Published
// Description: Sets the number of times per second the cursor will
// blink while the entry has keyboard focus.
//
// If this is 0, the cursor does not blink, but is held
// steady.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_blink_rate(float blink_rate) {
_blink_rate = blink_rate;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_blink_rate
// Access: Published
// Description: Returns the number of times per second the cursor
// will blink, or 0 if the cursor is not to blink.
////////////////////////////////////////////////////////////////////
INLINE float PGEntry::
get_blink_rate() const {
return _blink_rate;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_cursor_def
// Access: Published
// Description: Returns the Node that will be rendered to represent
// the cursor. You can attach suitable cursor geometry
// to this node.
////////////////////////////////////////////////////////////////////
INLINE Node *PGEntry::
get_cursor_def() {
return _cursor_def->get_child();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::clear_cursor_def
// Access: Published
// Description: Removes all the children from the cursor_def Node, in
// preparation for adding a new definition.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
clear_cursor_def() {
remove_all_children(get_cursor_def());
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_cursor_keys_active
// Access: Published
// Description: Sets whether the arrow keys (and home/end) control
// movement of the cursor. If true, they are active; if
// false, they are ignored.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_cursor_keys_active(bool flag) {
_cursor_keys_active = flag;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_cursor_keys_active
// Access: Published
// Description: Returns whether the arrow keys are currently set to
// control movement of the cursor; see
// set_cursor_keys_active().
////////////////////////////////////////////////////////////////////
INLINE bool PGEntry::
get_cursor_keys_active() const {
return _cursor_keys_active;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_obscure_mode
// Access: Published
// Description: Specifies whether obscure mode should be enabled. In
// obscure mode, a string of asterisks is displayed
// instead of the literal text, e.g. for entering
// passwords.
//
// In obscure mode, the width of the text is computed
// based on the width of the string of asterisks, not on
// the width of the actual text. This has implications
// on the maximum length of text that may be entered if
// max_width is in effect.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_obscure_mode(bool flag) {
if (_obscure_mode != flag) {
_obscure_mode = flag;
_text_geom_stale = true;
}
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_obscure_mode
// Access: Published
// Description: Specifies whether obscure mode is enabled. See
// set_obscure_mode().
////////////////////////////////////////////////////////////////////
INLINE bool PGEntry::
get_obscure_mode() const {
return _obscure_mode;
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_accept_prefix
// Access: Published, Static
// Description: Returns the prefix that is used to define the accept
// event for all PGEntries. The accept event is the
// concatenation of this string followed by get_id().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_accept_prefix() {
return "accept-";
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_overflow_prefix
// Access: Published, Static
// Description: Returns the prefix that is used to define the overflow
// event for all PGEntries. The overflow event is the
// concatenation of this string followed by get_id().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_overflow_prefix() {
return "overflow-";
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_type_prefix
// Access: Published, Static
// Description: Returns the prefix that is used to define the type
// event for all PGEntries. The type event is the
// concatenation of this string followed by get_id().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_type_prefix() {
return "type-";
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_erase_prefix
// Access: Published, Static
// Description: Returns the prefix that is used to define the erase
// event for all PGEntries. The erase event is the
// concatenation of this string followed by get_id().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_erase_prefix() {
return "erase-";
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_accept_event
// Access: Published
// Description: Returns the event name that will be thrown when the
// entry is accepted normally.
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_accept_event(const ButtonHandle &button) const {
return "accept-" + button.get_name() + "-" + get_id();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_overflow_event
// Access: Published
// Description: Returns the event name that will be thrown when too
// much text is attempted to be entered into the
// PGEntry, exceeding either the limit set via
// set_max_chars() or via set_max_width().
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_overflow_event() const {
return "overflow-" + get_id();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_type_event
// Access: Published
// Description: Returns the event name that will be thrown whenever
// the user extends the text by typing.
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_type_event() const {
return "type-" + get_id();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_erase_event
// Access: Published
// Description: Returns the event name that will be thrown whenever
// the user erases characters in the text.
////////////////////////////////////////////////////////////////////
INLINE string PGEntry::
get_erase_event() const {
return "erase-" + get_id();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::set_wtext
// Access: Public
// Description: Changes the text currently displayed within the
// entry.
////////////////////////////////////////////////////////////////////
INLINE void PGEntry::
set_wtext(const wstring &wtext) {
_wtext = wtext;
_text_geom_stale = true;
_cursor_stale = true;
_blink_start = ClockObject::get_global_clock()->get_frame_time();
}
////////////////////////////////////////////////////////////////////
// Function: PGEntry::get_wtext
// Access: Public
// Description: Returns the text currently displayed within the
// entry.
////////////////////////////////////////////////////////////////////
INLINE const wstring &PGEntry::
get_wtext() const {
return _wtext;
}