annotate libgui/src/welcome-wizard.cc @ 27919:1891570abac8

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
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1 /*
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2
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3 Copyright (C) 2011-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #if defined (HAVE_CONFIG_H)
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28 # include "config.h"
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29 #endif
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30
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31 #include <QApplication>
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32 #include <QDesktopWidget>
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33 #include <QHBoxLayout>
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34 #include <QPushButton>
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35 #include <QVBoxLayout>
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36
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37 #if defined (OCTAVE_USE_WINDOWS_API)
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38 #define WIN32_LEAN_AND_MEAN
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39 #include <windows.h>
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40 #endif
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41
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42 #include "gui-preferences-nr.h"
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43 #include "octave-qobject.h"
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44 #include "welcome-wizard.h"
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45
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46 namespace octave
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47 {
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48 static QLabel *
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49 make_octave_logo (QWidget *p = nullptr, int height = 100)
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50 {
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51 QLabel *logo = new QLabel (p);
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52 QPixmap logo_pixmap (":/actions/icons/logo.png");
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53 logo->setPixmap (logo_pixmap.scaledToHeight (height));
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54 return logo;
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55 };
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56
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57 welcome_wizard::welcome_wizard (base_qobject& oct_qobj, QWidget *p)
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58 : QDialog (p), m_octave_qobj (oct_qobj), m_page_ctor_list (),
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59 m_page_list_iterator (),
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60 m_current_page (initial_page::create (oct_qobj, this)),
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61 m_allow_web_connect_state (false),
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62 m_max_height (0), m_max_width (0)
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63 {
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64 m_page_ctor_list.push_back (initial_page::create);
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65 m_page_ctor_list.push_back (setup_community_news::create);
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66 m_page_ctor_list.push_back (final_page::create);
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67
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68 m_page_list_iterator = m_page_ctor_list.begin ();
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69
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70 setWindowTitle (tr ("Welcome to GNU Octave"));
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71
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72 setEnabled (true);
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73
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74 setSizePolicy (QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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75
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76 // Create all pages for pre-setting the minimal required size for all pages
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77 show_page ();
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78 adjust_size ();
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79 next_page ();
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80 adjust_size ();
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81 next_page ();
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82 adjust_size ();
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83 // now go back to the first page
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84 previous_page ();
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85 previous_page ();
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86
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87 // Set the size determined above
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88 resize (m_max_width, m_max_height);
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89
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90 #if defined (OCTAVE_USE_WINDOWS_API)
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91 // HACK to forceshow of dialog if started minimized
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92 ShowWindow (reinterpret_cast<HWND> (winId ()), SW_SHOWNORMAL);
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93 #endif
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94 }
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95
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96 void welcome_wizard::adjust_size (void)
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97 {
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98 // Get adjusted size for the current page
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99 adjustSize ();
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100 QSize sz = size ();
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101
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102 // Update the max. size of the three pages if required
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103
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104 if (sz.height () > m_max_height)
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105 m_max_height = sz.height ();
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106
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107 if (sz.width () > m_max_width)
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108 m_max_width = sz.width ();
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109 }
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110
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111 void welcome_wizard::handle_web_connect_option (int state)
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112 {
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113 m_allow_web_connect_state = state == Qt::Checked;
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114 }
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115
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116 void welcome_wizard::show_page (void)
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117 {
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118 delete m_current_page;
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119 delete layout ();
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120
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121 m_current_page = (*m_page_list_iterator) (m_octave_qobj, this);
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122
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123 QVBoxLayout *new_layout = new QVBoxLayout ();
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124 setLayout (new_layout);
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125
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126 new_layout->addWidget (m_current_page);
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127 }
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128
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129 void welcome_wizard::previous_page (void)
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130 {
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131 --m_page_list_iterator;
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132
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133 show_page ();
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134 }
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135
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136 void welcome_wizard::next_page (void)
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137 {
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138 ++m_page_list_iterator;
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139
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140 show_page ();
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141 }
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142
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143 void welcome_wizard::accept (void)
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144 {
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145 // Create default settings file.
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146
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147 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
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148 rmgr.reload_settings ();
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149
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150 gui_settings *settings = rmgr.get_settings ();
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151
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152 if (settings)
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153 {
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154 settings->setValue (nr_allow_connection.key,
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155 m_allow_web_connect_state);
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156
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157 settings->sync ();
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158 }
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159
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160 QDialog::accept ();
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161 }
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162
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163 initial_page::initial_page (base_qobject& oct_qobj, welcome_wizard *wizard)
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164 : QWidget (wizard),
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165 m_title (new QLabel (tr ("Welcome to Octave!"), this)),
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166 m_message (new QLabel (this)),
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167 m_logo (make_octave_logo (this)),
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168 m_next (new QPushButton (tr ("Next"), this)),
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169 m_cancel (new QPushButton (tr ("Cancel"), this))
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170 {
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171 QFont ft;
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172 ft.setPointSize (20);
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173 m_title->setFont (ft);
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174
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175 resource_manager& rmgr = oct_qobj.get_resource_manager ();
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176
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177 m_message->setText
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178 (tr ("<html><body>\n"
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179 "<p>You seem to be using the Octave graphical interface for the first time on this computer.\n"
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180 "Click 'Next' to create a configuration file and launch Octave.</p>\n"
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181 "<p>The configuration file is stored in<br>%1.</p>\n"
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182 "</body></html>").
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183 arg (rmgr.get_settings_file ()));
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184 m_message->setWordWrap (true);
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185 m_message->setMinimumWidth (400);
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186
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187 QVBoxLayout *message_layout = new QVBoxLayout;
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188
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189 message_layout->addWidget (m_title);
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190 message_layout->addWidget (m_message);
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191
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192 QHBoxLayout *message_and_logo = new QHBoxLayout;
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193
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194 message_and_logo->addLayout (message_layout);
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195 message_and_logo->addStretch (10);
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196 message_and_logo->addWidget (m_logo, 0, Qt::AlignTop);
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197
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198 QHBoxLayout *button_bar = new QHBoxLayout;
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199
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200 button_bar->addStretch (10);
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201 button_bar->addWidget (m_next);
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202 button_bar->addWidget (m_cancel);
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203
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204 QVBoxLayout *page_layout = new QVBoxLayout (this);
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205 setLayout (page_layout);
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206
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207 page_layout->addLayout (message_and_logo);
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208 page_layout->addStretch (10);
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209 page_layout->addSpacing (20);
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210 page_layout->addLayout (button_bar);
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211
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212 setSizePolicy (QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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213
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214 m_next->setDefault (true);
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215 m_next->setFocus ();
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216
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217 connect (m_next, SIGNAL (clicked ()), wizard, SLOT (next_page ()));
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218 connect (m_cancel, SIGNAL (clicked ()), wizard, SLOT (reject ()));
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219 }
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220
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221 setup_community_news::setup_community_news (base_qobject&,
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222 welcome_wizard *wizard)
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223 : QWidget (wizard),
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224 m_title (new QLabel (tr ("Community News"), this)),
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225 m_message (new QLabel (this)),
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226 m_checkbox (new QCheckBox (this)),
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227 m_checkbox_message (new QLabel (this)),
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228 m_logo (make_octave_logo (this)),
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229 m_previous (new QPushButton (tr ("Previous"), this)),
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230 m_next (new QPushButton (tr ("Next"), this)),
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231 m_cancel (new QPushButton (tr ("Cancel"), this))
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232 {
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233 QFont ft;
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234 ft.setPointSize (20);
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235 m_title->setFont (ft);
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236
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237 m_message->setText
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238 (tr ("<html><body>\n"
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239 "<p>When Octave starts, it will optionally check the Octave web site for current news and information about the Octave community.\n"
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240 "The check will happen at most once each day and news will only be displayed if there is something new since the last time you viewed the news.</p>\n"
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241 "<p>You may also view the news by selecting the \"Community News\" item in the \"Help\" menu, or by visiting\n"
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242 "<a href=\"https://octave.org/community-news.html\">https://octave.org/community-news.html</a>.</p>\n"
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243 "</body></html>"));
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244 m_message->setWordWrap (true);
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245 m_message->setMinimumWidth (400);
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246 m_message->setOpenExternalLinks (true);
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247
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248 QVBoxLayout *message_layout = new QVBoxLayout;
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249
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250 message_layout->addWidget (m_title);
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251 message_layout->addWidget (m_message);
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252
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253 QHBoxLayout *message_and_logo = new QHBoxLayout;
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254
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255 message_and_logo->addLayout (message_layout);
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256 message_and_logo->addStretch (10);
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257 message_and_logo->addWidget (m_logo, 0, Qt::AlignTop);
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258
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259 QHBoxLayout *checkbox_layout = new QHBoxLayout;
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260
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diff changeset
261 bool allow_connection = nr_allow_connection.def.toBool ();
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262 if (allow_connection)
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263 m_checkbox->setCheckState (Qt::Checked);
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diff changeset
264 else
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265 m_checkbox->setCheckState (Qt::Unchecked);
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266
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267 m_checkbox_message->setText
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268 (tr ("<html><head>\n"
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269 "<style>\n"
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270 "a:link { text-decoration: underline; color: #0000ff; }\n"
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271 "</style>\n"
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272 "</head><body>\n"
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273 "<p>Allow Octave to connect to the Octave web site when it starts to display current news and information about the Octave community.</p>\n"
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274 "</body></html>"));
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275 m_checkbox_message->setWordWrap (true);
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276 m_checkbox_message->setOpenExternalLinks (true);
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277 m_checkbox_message->setMinimumWidth (500);
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278
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279 checkbox_layout->addWidget (m_checkbox, 0, Qt::AlignTop);
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280 checkbox_layout->addSpacing (20);
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281 checkbox_layout->addWidget (m_checkbox_message, 0, Qt::AlignTop);
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282 checkbox_layout->addStretch (10);
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283
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284 QVBoxLayout *message_logo_and_checkbox = new QVBoxLayout;
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285
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286 message_logo_and_checkbox->addLayout (message_and_logo);
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287 message_logo_and_checkbox->addSpacing (20);
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288 message_logo_and_checkbox->addLayout (checkbox_layout);
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289
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290 QHBoxLayout *button_bar = new QHBoxLayout;
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291
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292 button_bar->addStretch (10);
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293 button_bar->addWidget (m_previous);
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294 button_bar->addWidget (m_next);
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295 button_bar->addWidget (m_cancel);
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296
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297 QVBoxLayout *page_layout = new QVBoxLayout (this);
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298 setLayout (page_layout);
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299
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300 page_layout->addLayout (message_logo_and_checkbox);
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301 page_layout->addStretch (10);
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302 page_layout->addSpacing (20);
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303 page_layout->addLayout (button_bar);
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304
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305 setSizePolicy (QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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306
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307 m_next->setDefault (true);
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308 m_next->setFocus ();
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309
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310 connect (m_checkbox, SIGNAL (stateChanged (int)),
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311 wizard, SLOT (handle_web_connect_option (int)));
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312
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313 connect (m_previous, SIGNAL (clicked ()), wizard, SLOT (previous_page ()));
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314 connect (m_next, SIGNAL (clicked ()), wizard, SLOT (next_page ()));
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315 connect (m_cancel, SIGNAL (clicked ()), wizard, SLOT (reject ()));
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316 }
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317
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318 final_page::final_page (base_qobject&, welcome_wizard *wizard)
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319 : QWidget (wizard),
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320 m_title (new QLabel (tr ("Enjoy!"), this)),
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321 m_message (new QLabel (this)),
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322 m_logo (make_octave_logo (this)),
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323 m_links (new QLabel (this)),
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324 m_previous (new QPushButton (tr ("Previous"), this)),
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325 m_finish (new QPushButton (tr ("Finish"), this)),
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326 m_cancel (new QPushButton (tr ("Cancel"), this))
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327 {
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328 QFont ft;
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329 ft.setPointSize (20);
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330 m_title->setFont (ft);
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331
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332 m_message->setText
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333 (tr ("<html><body>\n"
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334 "<p>We hope you find Octave to be a useful tool.</p>\n"
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335 "<p>If you encounter problems, there are a number of ways to get help, including commercial support options, a mailing list, a wiki, and other community-based support channels.\n"
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336 "You can find more information about each of these by visiting <a href=\"https://octave.org/support.html\">https://octave.org/support.html</a> (opens in external browser).</p>\n"
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337 "</body></html>"));
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338 m_message->setWordWrap (true);
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339 m_message->setMinimumWidth (400);
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340 m_message->setOpenExternalLinks (true);
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341
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342 QVBoxLayout *message_layout = new QVBoxLayout;
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343
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344 message_layout->addWidget (m_title);
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345 message_layout->addWidget (m_message);
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346
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347 QHBoxLayout *message_and_logo = new QHBoxLayout;
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348
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349 message_and_logo->addLayout (message_layout);
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350 message_and_logo->addStretch (10);
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351 message_and_logo->addWidget (m_logo, 0, Qt::AlignTop);
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352
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353 m_links->setText
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354 (tr ("<html><head>\n"
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355 "<style>\n"
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356 "a:link { text-decoration: underline; color: #0000ff; }\n"
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357 "</style>\n"
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358 "</head><body>\n"
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359 "<p>For more information about Octave:</p>\n"
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360 "<ul>\n"
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361 "<li>Visit <a href=\"https://octave.org\">https://octave.org</a> (opens in external browser)</li>\n"
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362 "<li>Get the documentation online as <a href=\"https://www.gnu.org/software/octave/doc/interpreter/index.html\">html</a>- or <a href=\"https://www.gnu.org/software/octave/octave.pdf\">pdf</a>-document (opens in external browser)</li>\n"
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363 "<li>Open the documentation browser of the Octave GUI with the help menu</li>\n"
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364 "</ul>\n"
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365 "</body></html>"));
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366 m_links->setWordWrap (true);
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367 m_links->setOpenExternalLinks (true);
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368
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369 QHBoxLayout *button_bar = new QHBoxLayout;
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370
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371 button_bar->addStretch (10);
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372 button_bar->addWidget (m_previous);
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373 button_bar->addWidget (m_finish);
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374 button_bar->addWidget (m_cancel);
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375
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376 QVBoxLayout *page_layout = new QVBoxLayout (this);
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377 setLayout (page_layout);
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378
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379 page_layout->addLayout (message_and_logo);
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380 page_layout->addSpacing (20);
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381 page_layout->addWidget (m_links);
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382 page_layout->addStretch (10);
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diff changeset
383 page_layout->addSpacing (20);
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384 page_layout->addLayout (button_bar);
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diff changeset
385
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diff changeset
386 setSizePolicy (QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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diff changeset
387
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388 m_finish->setDefault (true);
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389 m_finish->setFocus ();
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diff changeset
390
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391 connect (m_previous, SIGNAL (clicked ()), wizard, SLOT (previous_page ()));
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diff changeset
392 connect (m_finish, SIGNAL (clicked ()), wizard, SLOT (accept ()));
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diff changeset
393 connect (m_cancel, SIGNAL (clicked ()), wizard, SLOT (reject ()));
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394 }
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395 }