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annotate libgui/src/workspace-view.cc @ 19196:362071d9bf5b gui-release

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replace grid with alternating row colors in workspace view (bug #43196) * workspace-view.cc (constructor): replace gridlines with alternating row colors
author Torsten <ttl@justmail.de>
date Fri, 26 Sep 2014 07:25:54 +0200
parents 110702c507e3
children 2f0c21339e9d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2013 John W. Eaton
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4 Copyright (C) 2011-2013 Jacob Dawid
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <QInputDialog>
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29 #include <QApplication>
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30 #include <QClipboard>
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31 #include <QMessageBox>
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32 #include <QLineEdit>
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33 #include <QHeaderView>
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34 #include <QHBoxLayout>
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35 #include <QVBoxLayout>
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36 #include <QPushButton>
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37 #include <QMenu>
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38
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39 #include "workspace-view.h"
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40 #include "resource-manager.h"
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41
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42 workspace_view::workspace_view (QWidget *p)
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43 : octave_dock_widget (p), view (new QTableView (this))
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44 {
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45 setObjectName ("WorkspaceView");
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46 setWindowIcon (QIcon (":/actions/icons/logo.png"));
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47 set_title (tr ("Workspace"));
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48 setStatusTip (tr ("View the variables in the active workspace."));
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49
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50 view->setWordWrap (false);
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51 view->setContextMenuPolicy (Qt::CustomContextMenu);
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52 view->setShowGrid (false);
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53 view->setAlternatingRowColors (true);
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54 view_previous_row_count = 0;
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55
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56 // Set an empty widget, so we can assign a layout to it.
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57 setWidget (new QWidget (this));
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58
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59 // Create a new layout and add widgets to it.
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60 QVBoxLayout *vbox_layout = new QVBoxLayout ();
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61 vbox_layout->addWidget (view);
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62 vbox_layout->setMargin (2);
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64 // Set the empty widget to have our layout.
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65 widget ()->setLayout (vbox_layout);
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66
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67 // Initialize collapse/expand state of the workspace subcategories.
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68
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69 QSettings *settings = resource_manager::get_settings ();
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70
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71 // Initialize column order and width of the workspace
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72
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73 view->horizontalHeader ()->restoreState (
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74 settings->value ("workspaceview/column_state").toByteArray ());
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75
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76 // Connect signals and slots.
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77
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78 connect (view, SIGNAL (customContextMenuRequested (const QPoint&)),
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79 this, SLOT (contextmenu_requested (const QPoint&)));
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80
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81 connect (this, SIGNAL (command_requested (const QString&)),
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82 p, SLOT (execute_command_in_terminal (const QString&)));
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83
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84 }
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85
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86 workspace_view::~workspace_view (void)
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87 {
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88 QSettings *settings = resource_manager::get_settings ();
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89
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90 settings->setValue ("workspaceview/column_state",
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91 view->horizontalHeader ()->saveState ());
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92
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93 settings->sync ();
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94 }
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95
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96 void workspace_view::setModel (workspace_model *model)
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97 {
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98 view->setModel (model);
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99 _model = model;
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100 }
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101
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102 void
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103 workspace_view::closeEvent (QCloseEvent *e)
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104 {
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105 emit active_changed (false);
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106 QDockWidget::closeEvent (e);
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107 }
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108
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109 void
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110 workspace_view::contextmenu_requested (const QPoint& qpos)
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111 {
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112 QMenu menu (this);
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113
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114 QModelIndex index = view->indexAt (qpos);
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115 QAbstractItemModel *m = view->model ();
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116
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117 // if it isnt Local, Glocal etc, allow the ctx menu
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118 if (index.isValid () && index.column () == 0)
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119 {
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120 index = index.sibling (index.row (), 0);
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121
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122 QMap<int, QVariant> item_data = m->itemData (index);
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123
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124 QString var_name = item_data[0].toString ();
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125
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126 menu.addAction (tr ("Copy"), this,
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127 SLOT (handle_contextmenu_copy ()));
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128
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129 QAction *rename = menu.addAction (tr ("Rename"), this,
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130 SLOT (handle_contextmenu_rename ()));
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131
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132 const workspace_model *wm = static_cast<const workspace_model *> (m);
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133
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134 if (! wm->is_top_level ())
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135 {
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136 rename->setDisabled (true);
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137 rename->setToolTip (tr ("Only top-level symbols may be renamed."));
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138 }
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139
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140 menu.addSeparator ();
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141
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142 menu.addAction ("disp (" + var_name + ")", this,
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143 SLOT (handle_contextmenu_disp ()));
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144
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145 menu.addAction ("plot (" + var_name + ")", this,
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146 SLOT (handle_contextmenu_plot ()));
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147
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148 menu.addAction ("stem (" + var_name + ")", this,
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149 SLOT (handle_contextmenu_stem ()));
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150
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151 menu.exec (view->mapToGlobal (qpos));
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152 }
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153 }
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154
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155 void
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156 workspace_view::handle_contextmenu_copy (void)
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157 {
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158 QModelIndex index = view->currentIndex ();
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159
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160 if (index.isValid ())
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161 {
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162 index = index.sibling (index.row (), 0);
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163
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164 QAbstractItemModel *m = view->model ();
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165
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166 QMap<int, QVariant> item_data = m->itemData (index);
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167
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168 QString var_name = item_data[0].toString ();
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169
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170 QClipboard *clipboard = QApplication::clipboard ();
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171
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172 clipboard->setText (var_name);
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173 }
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174 }
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175
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176 void
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177 workspace_view::handle_contextmenu_rename (void)
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178 {
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179 QModelIndex index = view->currentIndex ();
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180
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181 if (index.isValid ())
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182 {
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183 index = index.sibling (index.row (), 0);
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184
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185 QAbstractItemModel *m = view->model ();
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186
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187 QMap<int, QVariant> item_data = m->itemData (index);
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188
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189 QString var_name = item_data[0].toString ();
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190
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191 QInputDialog* inputDialog = new QInputDialog ();
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192
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193 inputDialog->setOptions (QInputDialog::NoButtons);
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194
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195 bool ok = false;
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196
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197 QString new_name
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198 = inputDialog->getText (0, "Rename Variable", "New name:",
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199 QLineEdit::Normal, var_name, &ok);
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200
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201 if (ok && ! new_name.isEmpty ())
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202 m->setData (index, new_name, Qt::EditRole);
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203 }
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204 }
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205
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206 void
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207 workspace_view::handle_contextmenu_disp (void)
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208 {
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209 relay_contextmenu_command ("disp");
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210 }
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211
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212 void
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213 workspace_view::handle_contextmenu_plot (void)
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214 {
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215 relay_contextmenu_command ("figure (); plot");
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216 }
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217
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218 void
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219 workspace_view::handle_contextmenu_stem (void)
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220 {
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221 relay_contextmenu_command ("figure (); stem");
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222 }
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223
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224 void
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225 workspace_view::relay_contextmenu_command (const QString& cmdname)
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226 {
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227 QModelIndex index = view->currentIndex ();
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228
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229 if (index.isValid ())
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230 {
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231 index = index.sibling (index.row (), 0);
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232
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233 QAbstractItemModel *m = view->model ();
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234
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235 QMap<int, QVariant> item_data = m->itemData (index);
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236
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237 QString var_name = item_data[0].toString ();
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238
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239 emit command_requested (cmdname + " (" + var_name + ");");
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240 }
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241 }
16572
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242
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243 void
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244 workspace_view::handle_model_changed (void)
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245 {
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246 // Just modify those rows that have been added rather than go through
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247 // the whole list. For-loop test will handle when number of rows reduced.
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248 QFontMetrics fm = view->fontMetrics ();
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diff changeset
249 int row_height = fm.height ();
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250 int new_row_count = view->model ()->rowCount ();
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diff changeset
251 for (int i = view_previous_row_count; i < new_row_count; i++)
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252 view->setRowHeight (i, row_height);
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253 view_previous_row_count = new_row_count;
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Daniel J Sebald <daniel.sebald@ieee.org>
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254 }
16610
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Torsten <ttl@justmail.de>
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diff changeset
255
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Torsten <ttl@justmail.de>
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diff changeset
256 void
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diff changeset
257 workspace_view::notice_settings (const QSettings *settings)
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258 {
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259 _model->notice_settings (settings); // update colors of model first
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diff changeset
260
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Torsten <ttl@justmail.de>
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261 QString tool_tip;
19076
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Torsten <ttl@justmail.de>
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diff changeset
262
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Torsten <ttl@justmail.de>
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diff changeset
263 if (!settings->value ("workspaceview/hide_tool_tips",false).toBool ())
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diff changeset
264 {
19076
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265 tool_tip = QString (tr ("View the variables in the active workspace.<br>"));
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diff changeset
266 tool_tip += QString (tr ("Colors for variable attributes:"));
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diff changeset
267 for (int i = 0; i < resource_manager::storage_class_chars ().length (); i++)
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diff changeset
268 {
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diff changeset
269 tool_tip +=
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diff changeset
270 QString ("<div style=\"background-color:%1;color:#000000\">%2</div>")
110702c507e3 user setting for hiding the tool tip in the workspace view (part of bug #42306)
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diff changeset
271 .arg (_model->storage_class_color (i).name ())
110702c507e3 user setting for hiding the tool tip in the workspace view (part of bug #42306)
Torsten <ttl@justmail.de>
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272 .arg (resource_manager::storage_class_names ().at (i));
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273 }
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274 }
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275
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276 setToolTip (tool_tip);
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277
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278 }
16881
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279
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280 void
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281 workspace_view::copyClipboard ()
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282 {
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283 if (view->hasFocus ())
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284 handle_contextmenu_copy ();
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285 }
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286
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287 void
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288 workspace_view::selectAll ()
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289 {
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290 if (view->hasFocus ())
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291 view->selectAll ();
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292 }
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293