CMake/Source/CursesDialog/cmCursesStringWidget.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
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#include "cmCursesStringWidget.h"
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#include "cmCursesMainForm.h"
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inline int ctrl(int z)
{
return (z&037);
}
cmCursesStringWidget::cmCursesStringWidget(int width, int height,
int left, int top) :
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cmCursesWidget(width, height, left, top)
{
m_InEdit = false;
m_Type = cmCacheManager::STRING;
set_field_fore(m_Field, A_NORMAL);
set_field_back(m_Field, A_STANDOUT);
field_opts_off(m_Field, O_STATIC);
}
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void cmCursesStringWidget::OnTab(cmCursesMainForm*, WINDOW*)
{
//FORM* form = fm->GetForm();
}
void cmCursesStringWidget::OnReturn(cmCursesMainForm* fm, WINDOW*)
{
FORM* form = fm->GetForm();
if (m_InEdit)
{
cmCursesForm::LogMessage("String widget leaving edit.");
m_InEdit = false;
fm->PrintKeys();
delete[] m_OriginalString;
// trick to force forms to update the field buffer
form_driver(form, REQ_NEXT_FIELD);
form_driver(form, REQ_PREV_FIELD);
m_Done = true;
}
else
{
cmCursesForm::LogMessage("String widget entering edit.");
m_InEdit = true;
fm->PrintKeys();
char* buf = field_buffer(m_Field, 0);
m_OriginalString = new char[strlen(buf)+1];
strcpy(m_OriginalString, buf);
}
}
void cmCursesStringWidget::OnType(int& key, cmCursesMainForm* fm, WINDOW*)
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{
form_driver(fm->GetForm(), key);
}
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bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
WINDOW* w)
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{
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int x,y;
FORM* form = fm->GetForm();
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// 10 == enter
if (!m_InEdit && ( key != 10 && key != KEY_ENTER ) )
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{
return false;
}
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m_OriginalString=0;
m_Done = false;
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char debugMessage[128];
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// <Enter> is used to change edit mode (like <Esc> in vi).
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while(!m_Done)
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{
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sprintf(debugMessage, "String widget handling input, key: %d", key);
cmCursesForm::LogMessage(debugMessage);
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fm->PrintKeys();
getmaxyx(stdscr, y, x);
// If window too small, handle 'q' only
if ( x < cmCursesMainForm::MIN_WIDTH ||
y < cmCursesMainForm::MIN_HEIGHT )
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{
// quit
if ( key == 'q' )
{
return false;
}
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else
{
key=getch();
continue;
}
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}
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// If resize occured during edit, move out of edit mode
if (!m_InEdit && ( key != 10 && key != KEY_ENTER ) )
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{
return false;
}
// 10 == enter
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if (key == 10 || key == KEY_ENTER)
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{
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this->OnReturn(fm, w);
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}
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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'))
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{
m_InEdit = false;
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delete[] m_OriginalString;
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// trick to force forms to update the field buffer
form_driver(form, REQ_NEXT_FIELD);
form_driver(form, REQ_PREV_FIELD);
return false;
}
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// esc
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else if (key == 27)
{
if (m_InEdit)
{
m_InEdit = false;
fm->PrintKeys();
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this->SetString(m_OriginalString);
delete[] m_OriginalString;
touchwin(w);
wrefresh(w);
return true;
}
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}
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else if ( key == 9 )
{
this->OnTab(fm, w);
}
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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);
}
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else if ( key == ctrl('k') )
{
form_driver(form, REQ_CLR_EOL);
}
else if ( key == ctrl('a') || key == KEY_HOME )
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{
form_driver(form, REQ_BEG_FIELD);
}
else if ( key == ctrl('e') || key == KEY_END )
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{
form_driver(form, REQ_END_FIELD);
}
else if ( key == ctrl('d') || key == 127 ||
key == KEY_BACKSPACE || key == KEY_DC )
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{
if ( form->curcol > 0 )
{
form_driver(form, REQ_DEL_PREV);
}
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}
else
{
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this->OnType(key, fm, w);
}
if ( !m_Done )
{
touchwin(w);
wrefresh(w);
key=getch();
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}
}
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return true;
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}
void cmCursesStringWidget::SetString(const char* value)
{
this->SetValue(value);
}
const char* cmCursesStringWidget::GetString()
{
return this->GetValue();
}
const char* cmCursesStringWidget::GetValue()
{
return field_buffer(m_Field, 0);
}
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bool cmCursesStringWidget::PrintKeys()
{
int x,y;
getmaxyx(stdscr, y, x);
if ( x < cmCursesMainForm::MIN_WIDTH ||
y < cmCursesMainForm::MIN_HEIGHT )
{
return false;
}
if (m_InEdit)
{
char firstLine[512];
// Clean the toolbar
for(int i=0; i<512; i++)
{
firstLine[i] = ' ';
}
firstLine[511] = '\0';
curses_move(y-4,0);
printw(firstLine);
curses_move(y-3,0);
printw(firstLine);
curses_move(y-2,0);
printw(firstLine);
curses_move(y-1,0);
printw(firstLine);
sprintf(firstLine, "Editing option, press [enter] to leave edit.");
curses_move(y-3,0);
printw(firstLine);
return true;
}
else
{
return false;
}
}