1222 lines
24 KiB
C++
1222 lines
24 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
|
|
|
|
// ------------------------------------------------------------------
|
|
// The Goldware Library
|
|
// Copyright (C) 1990-1999 Odinn Sorensen
|
|
// Copyright (C) 1999-2000 Alexander S. Aganichev
|
|
// ------------------------------------------------------------------
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library 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
|
|
// Library General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Library 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
|
|
// ------------------------------------------------------------------
|
|
// $Id$
|
|
// ------------------------------------------------------------------
|
|
// GCUI: Golded+ Character-oriented User Interface.
|
|
// Class gwinput: Input form and field editing.
|
|
// ------------------------------------------------------------------
|
|
|
|
#include <cstring>
|
|
#include <gkbdcode.h>
|
|
#include <gmemdbg.h>
|
|
#include <gstrall.h>
|
|
#include <gwinall.h>
|
|
#include <gwinhelp.h>
|
|
#include <gwinput.h>
|
|
#include <gutlclip.h>
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::gwinput(gwindow &w) : window(w) {
|
|
|
|
first_field = current = NULL;
|
|
fill_acs = false;
|
|
idle_attr = active_attr = edit_attr = LGREY_|_BLACK;
|
|
idle_fill = active_fill = edit_fill = ' ';
|
|
insert_mode = true;
|
|
done = dropped = false;
|
|
start_id = 0;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::~gwinput() {
|
|
|
|
field* current = first_field;
|
|
if(current) {
|
|
do {
|
|
field* junk = current;
|
|
current = current->next;
|
|
delete junk;
|
|
} while(current);
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::setup(vattr i_attr, vattr a_attr, vattr e_attr, vchar fill, bool f_acs) {
|
|
|
|
idle_attr = i_attr;
|
|
active_attr = a_attr;
|
|
edit_attr = e_attr;
|
|
fill_acs = f_acs;
|
|
active_fill = edit_fill = fill;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::validate() {
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::before() {
|
|
|
|
current->activate();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::after() {
|
|
|
|
current->deactivate();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::add_field(int idnum, int wrow, int wcol, int field_width, std::string& dest, int dest_size, int cvt, int mode) {
|
|
|
|
field* fld = new field(this, idnum, wrow, wcol, field_width, dest, dest_size, cvt, mode);
|
|
throw_new(fld);
|
|
if(current) {
|
|
current->next = fld;
|
|
fld->prev = current;
|
|
current = fld;
|
|
}
|
|
else {
|
|
first_field = current = fld;
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::move_to(int wrow, int wcol) {
|
|
|
|
field* f = field_at(wrow, wcol);
|
|
if(f) {
|
|
after();
|
|
current = f;
|
|
before();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::field* gwinput::field_at(int wrow, int wcol) {
|
|
|
|
field* here = first_field;
|
|
do {
|
|
if(here->row == wrow)
|
|
if(in_range(wcol, here->column, here->max_column))
|
|
return here;
|
|
here = here->next;
|
|
} while(here);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::field* gwinput::get_field(int id) {
|
|
|
|
field* here = first_field;
|
|
do {
|
|
if(here->id == id)
|
|
return here;
|
|
here = here->next;
|
|
} while(here);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::draw_all() {
|
|
|
|
first();
|
|
do {
|
|
current->draw();
|
|
} while(next());
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::reload_all() {
|
|
|
|
first();
|
|
do {
|
|
if(current->entry == gwinput::entry_new)
|
|
*current->buf = NUL;
|
|
else
|
|
strxcpy(current->buf, current->destination.c_str(), current->buf_len+1);
|
|
current->convert();
|
|
current->buf_end_pos = strlen(current->buf);
|
|
current->draw();
|
|
} while(next());
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::first_visible() {
|
|
|
|
if(first()) {
|
|
if(not current->visible())
|
|
if(next_visible())
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::next_visible() {
|
|
|
|
field* here = current;
|
|
while(here->next) {
|
|
here = here->next;
|
|
if(here->visible()) {
|
|
current = here;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::previous_visible() {
|
|
|
|
field* here = current;
|
|
while(here->prev) {
|
|
here = here->prev;
|
|
if(here->visible()) {
|
|
current = here;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::last_visible() {
|
|
|
|
if(last()) {
|
|
if(not current->visible())
|
|
if(previous_visible())
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::first(int id) {
|
|
|
|
if(first_field) {
|
|
current = first_field;
|
|
if(id)
|
|
while(current->id != id)
|
|
next();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::next() {
|
|
|
|
if(current->next) {
|
|
current = current->next;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::previous() {
|
|
|
|
if(current->prev) {
|
|
current = current->prev;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::last() {
|
|
|
|
if(first_field) {
|
|
current = first_field;
|
|
while(next())
|
|
;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::show_cursor() {
|
|
|
|
if(insert_mode)
|
|
vcursmall();
|
|
else
|
|
vcurlarge();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::drop_form() {
|
|
|
|
after();
|
|
done = true;
|
|
dropped = true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::form_complete() {
|
|
|
|
after();
|
|
done = true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field_complete() {
|
|
|
|
if(validate()) {
|
|
after();
|
|
if(not next_visible()) {
|
|
done = true;
|
|
return;
|
|
}
|
|
before();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_next_field() {
|
|
|
|
after();
|
|
if(not next_visible())
|
|
first_visible();
|
|
before();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_previous_field() {
|
|
|
|
after();
|
|
if(not previous_visible())
|
|
last_visible();
|
|
before();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_up() {
|
|
|
|
int min_column = current->column;
|
|
int max_column = current->max_column;
|
|
int check_row = current->row - 1;
|
|
int check_column = current->column + current->pos;
|
|
for(int r=check_row; r>=0; r--) {
|
|
int c;
|
|
for(c=check_column; c<=max_column; c++) {
|
|
if(move_to(r, c))
|
|
return;
|
|
}
|
|
for(c=check_column-1; c>=min_column; c--) {
|
|
if(move_to(r, c))
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_down() {
|
|
|
|
int max_row = window.height() - (window.has_border() ? 2 : 0) - 1;
|
|
int min_column = current->column;
|
|
int max_column = current->max_column;
|
|
int check_row = current->row + 1;
|
|
int check_column = current->column + current->pos;
|
|
for(int r=check_row; r<=max_row; r++) {
|
|
int c;
|
|
for(c=check_column; c<=max_column; c++) {
|
|
if(move_to(r, c))
|
|
return;
|
|
}
|
|
for(c=check_column-1; c>=min_column; c--) {
|
|
if(move_to(r, c))
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_left() {
|
|
|
|
if(not current->left())
|
|
go_previous_field();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_right() {
|
|
|
|
if(not current->right())
|
|
go_next_field();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::delete_left() {
|
|
|
|
current->delete_left();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::delete_char() {
|
|
|
|
current->delete_char();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_field_begin() {
|
|
|
|
current->home();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_field_end() {
|
|
|
|
current->end();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_form_begin() {
|
|
|
|
after();
|
|
first_visible();
|
|
before();
|
|
current->home();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_form_end() {
|
|
|
|
after();
|
|
last_visible();
|
|
before();
|
|
current->end();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::toggle_insert() {
|
|
|
|
insert_mode ^= true;
|
|
show_cursor();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::restore_field() {
|
|
|
|
current->restore();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::delete_left_word() {
|
|
|
|
current->delete_word(true);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::delete_right_word() {
|
|
|
|
current->delete_word(false);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_left_word() {
|
|
|
|
current->left_word();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::go_right_word() {
|
|
|
|
current->right_word();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::enter_char(char ch) {
|
|
|
|
if(ch) {
|
|
if(insert_mode)
|
|
current->insert_char(ch);
|
|
else
|
|
current->overwrite_char(ch);
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::prepare_form() {
|
|
|
|
cursor_was_hidden = vcurhidden();
|
|
draw_all();
|
|
first(start_id);
|
|
before();
|
|
show_cursor();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::finish_form() {
|
|
|
|
if(not dropped) {
|
|
first();
|
|
do {
|
|
current->commit();
|
|
} while(next());
|
|
}
|
|
|
|
if(cursor_was_hidden)
|
|
vcurhide();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::clear_field() {
|
|
|
|
current->clear_field();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::clipboard_cut() {
|
|
|
|
current->clipboard_copy();
|
|
current->clear_field();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::clipboard_paste() {
|
|
|
|
if(insert_mode)
|
|
current->clipboard_paste();
|
|
else {
|
|
current->clear_field();
|
|
current->clipboard_paste();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::clipboard_copy() {
|
|
|
|
current->clipboard_copy();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::handle_other_keys(gkey&) {
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::handle_key(gkey key) {
|
|
|
|
switch(key) {
|
|
case Key_Esc: drop_form(); break;
|
|
case Key_C_Ent: form_complete(); break;
|
|
case Key_Ent: field_complete(); break;
|
|
case Key_Tab: go_next_field(); break;
|
|
case Key_S_Tab: go_previous_field(); break;
|
|
case Key_Up: go_up(); break;
|
|
case Key_Dwn: go_down(); break;
|
|
case Key_Lft: go_left(); break;
|
|
case Key_Rgt: go_right(); break;
|
|
case Key_BS: delete_left(); break;
|
|
case Key_Del: delete_char(); break;
|
|
case Key_Home: go_field_begin(); break;
|
|
case Key_End: go_field_end(); break;
|
|
case Key_C_Home: go_form_begin(); break;
|
|
case Key_C_End: go_form_end(); break;
|
|
case Key_Ins: toggle_insert(); break;
|
|
case Key_A_BS: // fall through
|
|
case Key_C_R: restore_field(); break;
|
|
case Key_C_BS: delete_left_word(); break;
|
|
case Key_C_T: delete_right_word(); break;
|
|
case Key_C_Lft: go_left_word(); break;
|
|
case Key_C_Rgt: go_right_word(); break;
|
|
#if !defined(__UNIX__) || defined(__USE_NCURSES__)
|
|
case Key_S_Ins: // fall through
|
|
#endif
|
|
case Key_C_V: clipboard_paste(); break;
|
|
#if !defined(__UNIX__) || defined(__USE_NCURSES__)
|
|
case Key_S_Del: // fall through
|
|
#endif
|
|
case Key_C_X: clipboard_cut(); break;
|
|
#if !defined(__UNIX__) || defined(__USE_NCURSES__)
|
|
case Key_C_Ins: // fall through
|
|
#endif
|
|
case Key_C_C: clipboard_copy(); break;
|
|
#if !defined(__UNIX__) || defined(__USE_NCURSES__)
|
|
case Key_C_Del: // fall through
|
|
#endif
|
|
case Key_C_Y: // fall through
|
|
case Key_C_D: clear_field(); break;
|
|
default:
|
|
if(not handle_other_keys(key))
|
|
enter_char(KCodAsc(key));
|
|
}
|
|
|
|
return not done;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::field::field(gwinput* iform, int idnum, int wrow, int wcol, int field_width, std::string& dest, int dest_size, int cvt, int mode)
|
|
: destination(dest)
|
|
{
|
|
prev = next = NULL;
|
|
pos = buf_pos = buf_left_pos = 0;
|
|
|
|
form = iform;
|
|
id = idnum;
|
|
row = wrow;
|
|
column = wcol;
|
|
max_pos = field_width - 1;
|
|
max_column = wcol + max_pos;
|
|
buf_len = dest_size - 1;
|
|
buf = new char[dest_size]; throw_new(buf);
|
|
conversion = cvt;
|
|
entry = entry_mode = mode;
|
|
attr = form->idle_attr;
|
|
fill = form->idle_fill;
|
|
fill_acs = form->fill_acs;
|
|
|
|
if(entry == gwinput::entry_new)
|
|
*buf = NUL;
|
|
else
|
|
strxcpy(buf, dest.c_str(), dest_size);
|
|
convert();
|
|
buf_end_pos = strlen(buf);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
gwinput::field::~field() {
|
|
|
|
delete[] buf;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::visible() {
|
|
|
|
return max_pos != -1;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::convert() {
|
|
|
|
switch(conversion) {
|
|
case gwinput::cvt_lowercase:
|
|
strlwr(buf);
|
|
break;
|
|
case gwinput::cvt_uppercase:
|
|
strupr(buf);
|
|
break;
|
|
case gwinput::cvt_mixedcase:
|
|
struplow(buf);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::update() {
|
|
|
|
buf_end_pos = strlen(buf);
|
|
end();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::activate() {
|
|
|
|
buf_end_pos = strlen(buf);
|
|
entry = entry_mode;
|
|
if(entry == gwinput::entry_conditional or entry == gwinput::entry_noedit) {
|
|
attr = form->active_attr;
|
|
fill = form->active_fill;
|
|
int entry_bak = entry;
|
|
entry = gwinput::entry_update; // cheat adjust_mode() in end()
|
|
end();
|
|
entry = entry_bak;
|
|
}
|
|
else {
|
|
// 0 == entry_new, 1 == entry_update
|
|
entry ? end() : home();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::deactivate() {
|
|
|
|
fill = form->idle_fill;
|
|
attr = form->idle_attr;
|
|
draw();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::restore() {
|
|
|
|
std::string tmp(buf);
|
|
strxcpy(buf, destination.c_str(), buf_len+1);
|
|
destination = tmp;
|
|
convert();
|
|
activate();
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::commit() {
|
|
|
|
destination = buf;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::move_cursor() {
|
|
|
|
form->window.move_cursor(row, column+pos);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::draw(int from_pos) {
|
|
|
|
if(visible())
|
|
form->window.printns(row, column+from_pos, attr, buf+buf_left_pos+from_pos, 1+max_pos-from_pos, fill, attr | (fill_acs ? ACSET : 0));
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::adjust_mode() {
|
|
|
|
if(entry != gwinput::entry_update and entry != gwinput::entry_noedit) {
|
|
entry = gwinput::entry_update;
|
|
attr = form->edit_attr;
|
|
fill = form->edit_fill;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::conditional() {
|
|
|
|
if(entry == gwinput::entry_conditional) {
|
|
clear_field();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::move_left() {
|
|
|
|
buf_pos--;
|
|
if(pos > 0) {
|
|
pos--;
|
|
move_cursor();
|
|
}
|
|
else {
|
|
buf_left_pos--;
|
|
draw();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::move_right() {
|
|
|
|
buf_pos++;
|
|
if(pos < max_pos) {
|
|
pos++;
|
|
move_cursor();
|
|
}
|
|
else {
|
|
buf_left_pos++;
|
|
draw();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::left() {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos > 0) {
|
|
move_left();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::right() {
|
|
|
|
if(adjust_mode()) {
|
|
draw();
|
|
return true;
|
|
}
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos < buf_end_pos) {
|
|
move_right();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::left_word() {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos > 0) {
|
|
move_left();
|
|
if(not isxalnum(buf[buf_pos])) {
|
|
while(not isxalnum(buf[buf_pos]) and (buf_pos > 0))
|
|
move_left();
|
|
while(isxalnum(buf[buf_pos]) and (buf_pos > 0))
|
|
move_left();
|
|
}
|
|
else {
|
|
while(isxalnum(buf[buf_pos]) and (buf_pos > 0))
|
|
move_left();
|
|
}
|
|
|
|
if(buf_pos != 0)
|
|
move_right();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::right_word() {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos < buf_end_pos) {
|
|
move_right();
|
|
if(not isxalnum(buf[buf_pos])) {
|
|
while(not isxalnum(buf[buf_pos]) and ((buf_pos+1) <= buf_end_pos))
|
|
move_right();
|
|
}
|
|
else {
|
|
while(isxalnum(buf[buf_pos]) and ((buf_pos+1) <= buf_end_pos))
|
|
move_right();
|
|
while(not isxalnum(buf[buf_pos]) and ((buf_pos+1) <= buf_end_pos))
|
|
move_right();
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::delete_left() {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos > 0) {
|
|
left();
|
|
return delete_char();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::delete_char() {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
if(buf_pos < buf_end_pos) {
|
|
buf_end_pos--;
|
|
memmove(buf+buf_pos, buf+buf_pos+1, buf_len-buf_pos);
|
|
draw(pos);
|
|
move_cursor();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::delete_word(bool left) {
|
|
|
|
if(adjust_mode())
|
|
draw();
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
bool state = make_bool(isspace(buf[buf_pos-((int) left)]));
|
|
|
|
while(left ? buf_pos > 0 : buf_pos < buf_end_pos) {
|
|
left ? delete_left() : delete_char();
|
|
|
|
if(make_bool(isspace(buf[buf_pos-((int) left)])) != state)
|
|
break;
|
|
}
|
|
return true;
|
|
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::insert_char(char ch) {
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
conditional();
|
|
|
|
if(buf_end_pos < buf_len) {
|
|
int len = buf_end_pos - buf_pos;
|
|
memmove(buf+buf_pos+1, buf+buf_pos, len+1);
|
|
buf_end_pos++;
|
|
return overwrite_char(ch);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::overwrite_char(char ch) {
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
conditional();
|
|
|
|
switch(conversion) {
|
|
case gwinput::cvt_lowercase:
|
|
ch = (char)g_tolower(ch);
|
|
break;
|
|
case gwinput::cvt_uppercase:
|
|
ch = (char)g_toupper(ch);
|
|
break;
|
|
}
|
|
|
|
buf[buf_pos] = ch;
|
|
if(buf_pos == buf_end_pos) {
|
|
buf_end_pos++;
|
|
buf[buf_end_pos] = NUL;
|
|
}
|
|
|
|
if(conversion == gwinput::cvt_mixedcase) {
|
|
struplow(buf);
|
|
draw();
|
|
}
|
|
else {
|
|
draw(pos);
|
|
}
|
|
|
|
right();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::home() {
|
|
|
|
adjust_mode();
|
|
|
|
pos = buf_pos = buf_left_pos = 0;
|
|
draw();
|
|
move_cursor();
|
|
return true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput::field::end() {
|
|
|
|
adjust_mode();
|
|
|
|
buf_pos = buf_end_pos;
|
|
if(buf_pos == buf_len)
|
|
buf_pos--;
|
|
pos = minimum_of_two(max_pos, buf_pos);
|
|
buf_left_pos = buf_pos - pos;
|
|
draw();
|
|
move_cursor();
|
|
return true;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::clear_field() {
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
pos = buf_pos = buf_left_pos = buf_end_pos = 0;
|
|
*buf = NUL;
|
|
adjust_mode();
|
|
draw();
|
|
move_cursor();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::clipboard_paste() {
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
conditional();
|
|
|
|
gclipbrd clipbrd;
|
|
|
|
if(not clipbrd.openread())
|
|
return;
|
|
|
|
char *clpbuf = (char *)throw_malloc(buf_len + 1);
|
|
|
|
if(clipbrd.read(clpbuf, buf_len + 1)) {
|
|
|
|
size_t len = strlen(clpbuf);
|
|
if((len != 0) and (clpbuf[len - 1] == '\n')) {
|
|
clpbuf[--len] = NUL;
|
|
|
|
switch(conversion) {
|
|
case gwinput::cvt_lowercase:
|
|
strlwr(clpbuf);
|
|
break;
|
|
case gwinput::cvt_uppercase:
|
|
strupr(clpbuf);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if((buf_pos == buf_end_pos) or ((buf_pos + len) >= buf_len)) {
|
|
strxcat(buf, clpbuf, buf_len + 1);
|
|
buf_end_pos = strlen(buf);
|
|
end();
|
|
}
|
|
else {
|
|
strxcat(clpbuf, buf + buf_pos, buf_len + 1);
|
|
buf[buf_pos] = NUL;
|
|
strxcat(buf, clpbuf, buf_len + 1);
|
|
buf_end_pos = strlen(buf);
|
|
for(int i = 0; i < len; i++)
|
|
move_right();
|
|
}
|
|
|
|
if(conversion == gwinput::cvt_mixedcase) {
|
|
struplow(buf);
|
|
draw();
|
|
}
|
|
else {
|
|
draw();
|
|
}
|
|
}
|
|
|
|
throw_free(clpbuf);
|
|
|
|
clipbrd.close();
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void gwinput::field::clipboard_copy() {
|
|
|
|
if(entry != gwinput::entry_noedit) {
|
|
|
|
gclipbrd clipbrd;
|
|
|
|
clipbrd.writeclipbrd(buf);
|
|
}
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool gwinput2::run(int helpcat) {
|
|
|
|
prepare_form();
|
|
whelppcat(helpcat);
|
|
|
|
while(handle_key(getxch()));
|
|
|
|
whelpop();
|
|
finish_form();
|
|
|
|
return not dropped;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|