source: src/UIElements/Menu/TextMenu/TxMenu.cpp@ 2fe4a5

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Last change on this file since 2fe4a5 was 3ded2b7, checked in by Frederik Heber <heber@…>, 11 years ago

FIX: TxMenu and CommandLineWindow lacked waitQueue() in the wait-for-key loop.

  • this has occured due to queueAction() introduction.
  • otherwise the UI is destroyed before even the first Action has started.
  • Property mode set to 100644
File size: 4.3 KB
RevLine 
[bcf653]1/*
2 * Project: MoleCuilder
3 * Description: creates and alters molecular systems
[0aa122]4 * Copyright (C) 2010-2012 University of Bonn. All rights reserved.
[94d5ac6]5 *
6 *
7 * This file is part of MoleCuilder.
8 *
9 * MoleCuilder is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * MoleCuilder is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with MoleCuilder. If not, see <http://www.gnu.org/licenses/>.
[bcf653]21 */
22
[65b6e0]23/*
[b59da6]24 * TxMenu.cpp
[65b6e0]25 *
26 * Created on: Dec 10, 2009
27 * Author: crueger
28 */
29
[bf3817]30// include config.h
31#ifdef HAVE_CONFIG_H
32#include <config.h>
33#endif
34
[ad011c]35#include "CodePatterns/MemDebug.hpp"
[112b09]36
[65b6e0]37#include <boost/bind.hpp>
[b59da6]38#include <algorithm>
[65b6e0]39#include <iostream>
[5b9bba]40#include <cmath>
[3ded2b7]41#include "cleanUp.hpp"
[b59da6]42#include "Menu/TextMenu/TxMenu.hpp"
43#include "Menu/TextMenu/MenuItem.hpp"
[5b9bba]44
[ef81b0]45
[8f3f40]46/** Constructor for class TxMenu.
47 *
[ef81b0]48 * produce a text menu with a given title.
49 * The text will later be displayed using the stream passed to the constructor.
[8f3f40]50 * \param &_outputter output stream to use for displaying the text
51 * \param _title title of this menu
52 * \param _spacer key to separate trigger key from descriptive text shown
53 * \param _length maximum length of the descriptive text
[ef81b0]54 */
[b59da6]55TxMenu::TxMenu(std::ostream& _outputter, const std::string _title, char _spacer,int _length) :
[24a5e0]56 defaultItem(0),
57 outputter(_outputter),
58 title(_title),
59 spacer(_spacer),
60 length(_length),
61 quit(false)
[5b9bba]62{
63}
[65b6e0]64
[8f3f40]65/** Destructor for class TxMenu.
66 *
67 */
[b59da6]68TxMenu::~TxMenu()
[65b6e0]69{
[0e08d5]70 for(std::list<MenuItem*>::iterator it=items.begin(); !items.empty(); it=items.begin()) {
[f767d4]71 delete (*it);
[0e08d5]72 items.erase(it);
73 }
[65b6e0]74}
75
[8f3f40]76/** Adds an MenuItem to the internal list.
77 * \param *item item to add
78 */
[b59da6]79void TxMenu::addItem(MenuItem* item) {
[65b6e0]80 items.push_back(item);
81}
82
[8f3f40]83/** Removes an MenuItem to the internal list.
84 * \param *item item to remove
85 */
[b59da6]86void TxMenu::removeItem(MenuItem* item) {
[65b6e0]87 items.remove(item);
88}
89
[8f3f40]90/** Function to quit this TxMenu.
91 */
[b59da6]92void TxMenu::doQuit(){
[65b6e0]93 quit = true;
94}
95
[8f3f40]96/** Return the current state of quitting.
97 * \return quit boolean
98 */
[b59da6]99bool TxMenu::hasQuit(){
[65b6e0]100 return quit;
101}
102
[8f3f40]103/** Display in a formatted manner a given entry of this menu.
104 * \param *entry MenuItem to show
105 */
[b59da6]106void TxMenu::showEntry(MenuItem* entry){
[f9352d]107 if(entry->isActive()==false){
108 outputter << "(";
109 }
110 outputter << entry->formatEntry();
111 if(entry->isActive()==false){
112 outputter << ")";
113 }
114 outputter << "\n";
[65b6e0]115}
116
[8f3f40]117/** Display this menu.
118 *
119 */
[b59da6]120void TxMenu::display() {
[65b6e0]121 char choice;
[8f113e]122 bool somethingChosen = false;
[7c6f73]123 quit = false;
[65b6e0]124 do {
[5b9bba]125 int pre = floor((length - title.length()) /2.0);
126 int post = ceil((length - title.length()) /2.0);
127 for(int i=0;i<pre;i++)
128 outputter << spacer;
129 outputter << title;
130 for(int i=0;i<post;i++)
131 outputter << spacer;
132 outputter << '\n';
[b59da6]133 for_each(items.begin(), items.end(), boost::bind(&TxMenu::showEntry,this,_1));
[65b6e0]134 outputter.flush();
135
[b59da6]136 std::cin >> choice;
[65b6e0]137
[b59da6]138 std::list<MenuItem*>::iterator iter;
[8f113e]139 for(iter = items.begin(); iter!=items.end();iter++){
[f9352d]140 if((*iter)->isActive()){
141 somethingChosen |= (*iter)->checkTrigger(choice);
142 }
[8f113e]143 }
144 // see if something was chosen and call default Item if not
145 if(!somethingChosen) {
146 if(defaultItem){
147 defaultItem->doTrigger();
148 }
149 else{
[b59da6]150 outputter << "Invalid Choice!" << std::endl;
[8f113e]151 }
[3ded2b7]152 }
153#ifdef HAVE_ACTION_THREAD
154 // wait for actions to finish
155 waitQueue();
156#endif
[65b6e0]157 }while (!hasQuit());
158}
[8f113e]159
[8f3f40]160/** Return the internally stored title of the menu.
161 * \return title string
162 */
[b59da6]163std::string TxMenu::getTitle(){
[d56640]164 return title;
165}
166
[8f3f40]167/** Return the internally stored outputter of the menu.
168 * \return output stream reference
169 */
[b59da6]170std::ostream& TxMenu::getOutputter()
171{
172 return outputter;
173}
174
[8f3f40]175/** Add a default item to the menu.
176 * \param *_defaultItem MenuItem to act as default item.
177 */
[b59da6]178void TxMenu::addDefault(MenuItem* _defaultItem) {
[8f113e]179 defaultItem = _defaultItem;
180}
[d56640]181
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