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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmCursesStringWidget.h"
#include "cmCursesForm.h"
#include "cmCursesMainForm.h"
#include "cmCursesStandardIncludes.h"
#include "cmCursesWidget.h"
#include "cmState.h"
#include <stdio.h>
#include <string.h>
inline int ctrl(int z)
{
return (z & 037);
}
cmCursesStringWidget::cmCursesStringWidget(int width, int height, int left,
int top)
: cmCursesWidget(width, height, left, top)
{
this->InEdit = false;
this->Type = cmState::STRING;
set_field_fore(this->Field, A_NORMAL);
set_field_back(this->Field, A_STANDOUT);
field_opts_off(this->Field, O_STATIC);
}
void cmCursesStringWidget::OnTab(cmCursesMainForm* /*unused*/,
WINDOW* /*unused*/)
{
// FORM* form = fm->GetForm();
}
void cmCursesStringWidget::OnReturn(cmCursesMainForm* fm, WINDOW* /*unused*/)
{
FORM* form = fm->GetForm();
if (this->InEdit) {
cmCursesForm::LogMessage("String widget leaving edit.");
this->InEdit = false;
fm->PrintKeys();
delete[] this->OriginalString;
// trick to force forms to update the field buffer
form_driver(form, REQ_NEXT_FIELD);
form_driver(form, REQ_PREV_FIELD);
this->Done = true;
} else {
cmCursesForm::LogMessage("String widget entering edit.");
this->InEdit = true;
fm->PrintKeys();
char* buf = field_buffer(this->Field, 0);
this->OriginalString = new char[strlen(buf) + 1];
strcpy(this->OriginalString, buf);
}
}
void cmCursesStringWidget::OnType(int& key, cmCursesMainForm* fm,
WINDOW* /*unused*/)
{
form_driver(fm->GetForm(), key);
}
bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
WINDOW* w)
{
int x, y;
FORM* form = fm->GetForm();
// when not in edit mode, edit mode is entered by pressing enter or i (vim
// binding)
// 10 == enter
if (!this->InEdit && (key != 10 && key != KEY_ENTER && key != 'i')) {
return false;
}
this->OriginalString = CM_NULLPTR;
this->Done = false;
char debugMessage[128];
// <Enter> is used to change edit mode (like <Esc> in vi).
while (!this->Done) {
sprintf(debugMessage, "String widget handling input, key: %d", key);
cmCursesForm::LogMessage(debugMessage);
fm->PrintKeys();
getmaxyx(stdscr, y, x);
// If window too small, handle 'q' only
if (x < cmCursesMainForm::MIN_WIDTH || y < cmCursesMainForm::MIN_HEIGHT) {
// quit
if (key == 'q') {
return false;
}
key = getch();
continue;
}
// If resize occurred during edit, move out of edit mode
if (!this->InEdit && (key != 10 && key != KEY_ENTER && key != 'i')) {
return false;
}
// enter edit with return and i (vim binding)
if (!this->InEdit && (key == 10 || key == KEY_ENTER || key == 'i')) {
this->OnReturn(fm, w);
}
// leave edit with return (but not i -- not a toggle)
else if (this->InEdit && (key == 10 || key == KEY_ENTER)) {
this->OnReturn(fm, w);
} else if (key == KEY_DOWN || key == ctrl('n') || key == KEY_UP ||
key == ctrl('p') || key == KEY_NPAGE || key == ctrl('d') ||
key == KEY_PPAGE || key == ctrl('u')) {
this->InEdit = false;
delete[] this->OriginalString;
// trick to force forms to update the field buffer
form_driver(form, REQ_NEXT_FIELD);
form_driver(form, REQ_PREV_FIELD);
return false;
}
// esc
else if (key == 27) {
if (this->InEdit) {
this->InEdit = false;
fm->PrintKeys();
this->SetString(this->OriginalString);
delete[] this->OriginalString;
touchwin(w);
wrefresh(w);
return true;
}
} else if (key == 9) {
this->OnTab(fm, w);
} else if (key == KEY_LEFT || key == ctrl('b')) {
form_driver(form, REQ_PREV_CHAR);
} else if (key == KEY_RIGHT || key == ctrl('f')) {
form_driver(form, REQ_NEXT_CHAR);
} else if (key == ctrl('k')) {
form_driver(form, REQ_CLR_EOL);
} else if (key == ctrl('a') || key == KEY_HOME) {
form_driver(form, REQ_BEG_FIELD);
} else if (key == ctrl('e') || key == KEY_END) {
form_driver(form, REQ_END_FIELD);
} else if (key == 127 || key == KEY_BACKSPACE) {
FIELD* cur = current_field(form);
form_driver(form, REQ_DEL_PREV);
if (current_field(form) != cur) {
set_current_field(form, cur);
}
} else if (key == ctrl('d') || key == KEY_DC) {
form_driver(form, REQ_DEL_CHAR);
} else {
this->OnType(key, fm, w);
}
if (!this->Done) {
touchwin(w);
wrefresh(w);
key = getch();
}
}
return true;
}
void cmCursesStringWidget::SetString(const std::string& value)
{
this->SetValue(value);
}
const char* cmCursesStringWidget::GetString()
{
return this->GetValue();
}
const char* cmCursesStringWidget::GetValue()
{
return field_buffer(this->Field, 0);
}
bool cmCursesStringWidget::PrintKeys()
{
int x, y;
getmaxyx(stdscr, y, x);
if (x < cmCursesMainForm::MIN_WIDTH || y < cmCursesMainForm::MIN_HEIGHT) {
return false;
}
if (this->InEdit) {
char fmt_s[] = "%s";
char firstLine[512];
// Clean the toolbar
for (int i = 0; i < 512; i++) {
firstLine[i] = ' ';
}
firstLine[511] = '\0';
curses_move(y - 4, 0);
printw(fmt_s, firstLine);
curses_move(y - 3, 0);
printw(fmt_s, firstLine);
curses_move(y - 2, 0);
printw(fmt_s, firstLine);
curses_move(y - 1, 0);
printw(fmt_s, firstLine);
curses_move(y - 3, 0);
printw(fmt_s, "Editing option, press [enter] to leave edit.");
return true;
}
return false;
}
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