Mercurial > octave
view libgui/src/m-editor/find-dialog.cc @ 26376:00f796120a6d stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 02 Jan 2019 16:32:43 -0500 |
parents | 078b795c5219 |
children | aced09cc1721 |
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/* Find dialog derived from an example from Qt Toolkit (license below (**)) Copyright (C) 2012-2019 Torsten <ttl@justmail.de> Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. Contact: Nokia Corporation (qt-info@nokia.com) This file is part of Octave. Octave is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <https://www.gnu.org/licenses/>. ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: https://www.gnu.org/copyleft/gpl.html. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #if defined (HAVE_QSCINTILLA) #include <QCheckBox> #include <QCheckBox> #include <QDialogButtonBox> #include <QGridLayout> #include <QIcon> #include <QLabel> #include <QLineEdit> #include <QMessageBox> #include <QPushButton> #include <QVBoxLayout> #include "find-dialog.h" namespace octave { find_dialog::find_dialog (QsciScintilla *edit_area, QList<QAction *> find_actions, QWidget *p) : QDialog (p) { setWindowTitle (tr ("Find and Replace")); setWindowIcon (QIcon (":/actions/icons/find.png")); _search_label = new QLabel (tr ("Find &what:")); _search_line_edit = new QLineEdit; _search_label->setBuddy (_search_line_edit); _replace_label = new QLabel (tr ("Re&place with:")); _replace_line_edit = new QLineEdit; _replace_label->setBuddy (_replace_line_edit); _case_check_box = new QCheckBox (tr ("Match &case")); _from_start_check_box = new QCheckBox (tr ("Search from &start")); _wrap_check_box = new QCheckBox (tr ("&Wrap while searching")); _wrap_check_box->setChecked (true); _find_next_button = new QPushButton (tr ("&Find Next")); _find_prev_button = new QPushButton (tr ("Find &Previous")); _replace_button = new QPushButton (tr ("&Replace")); _replace_all_button = new QPushButton (tr ("Replace &All")); _more_button = new QPushButton (tr ("&More...")); _more_button->setCheckable (true); _more_button->setAutoDefault (false); _button_box = new QDialogButtonBox (Qt::Vertical); _button_box->addButton (_find_next_button, QDialogButtonBox::ActionRole); _button_box->addButton (_find_prev_button, QDialogButtonBox::ActionRole); _button_box->addButton (_replace_button, QDialogButtonBox::ActionRole); _button_box->addButton (_replace_all_button, QDialogButtonBox::ActionRole); _button_box->addButton (_more_button, QDialogButtonBox::ActionRole); _button_box->addButton (QDialogButtonBox::Close); _extension = new QWidget (this); _whole_words_check_box = new QCheckBox (tr ("&Whole words")); _regex_check_box = new QCheckBox (tr ("Regular E&xpressions")); _backward_check_box = new QCheckBox (tr ("Search &backward")); _search_selection_check_box = new QCheckBox (tr ("Search se&lection")); #if defined (HAVE_QSCI_FINDSELECTION) _search_selection_check_box->setCheckable (true); _search_selection_check_box->setEnabled (edit_area->hasSelectedText ()); #else _search_selection_check_box->setCheckable (false); _search_selection_check_box->setEnabled (false); #endif _edit_area = edit_area; connect (_find_next_button, SIGNAL (clicked ()), this, SLOT (find_next ())); connect (_find_prev_button, SIGNAL (clicked ()), this, SLOT (find_prev ())); connect (_more_button, SIGNAL (toggled (bool)), _extension, SLOT (setVisible (bool))); connect (_replace_button, SIGNAL (clicked ()), this, SLOT (replace ())); connect (_replace_all_button, SIGNAL (clicked ()), this, SLOT (replace_all ())); connect (_backward_check_box, SIGNAL (stateChanged (int)), this, SLOT (handle_backward_search_changed (int))); connect (_button_box, SIGNAL (rejected ()), this, SLOT (close ())); connect (_search_line_edit, SIGNAL (textChanged (QString)), this, SLOT (handle_search_text_changed (QString))); #if defined (HAVE_QSCI_FINDSELECTION) connect (_edit_area, SIGNAL (copyAvailable (bool)), this, SLOT (handle_selection_changed (bool))); connect (_search_selection_check_box, SIGNAL (stateChanged (int)), this, SLOT (handle_sel_search_changed (int))); #endif QVBoxLayout *extension_layout = new QVBoxLayout (); extension_layout->setMargin (0); extension_layout->addWidget (_whole_words_check_box); extension_layout->addWidget (_backward_check_box); extension_layout->addWidget (_search_selection_check_box); _extension->setLayout (extension_layout); QGridLayout *top_left_layout = new QGridLayout; top_left_layout->addWidget (_search_label, 1, 1); top_left_layout->addWidget (_search_line_edit, 1, 2); top_left_layout->addWidget (_replace_label, 2, 1); top_left_layout->addWidget (_replace_line_edit, 2, 2); QVBoxLayout *left_layout = new QVBoxLayout; left_layout->addLayout (top_left_layout); left_layout->insertStretch (1, 5); left_layout->addWidget (_case_check_box); left_layout->addWidget (_from_start_check_box); left_layout->addWidget (_wrap_check_box); left_layout->addWidget (_regex_check_box); QGridLayout *main_layout = new QGridLayout; main_layout->setSizeConstraint (QLayout::SetFixedSize); main_layout->addLayout (left_layout, 0, 0); main_layout->addWidget (_button_box, 0, 1); main_layout->addWidget (_extension, 1, 0); setLayout (main_layout); _extension->hide (); _find_next_button->setDefault (true); _find_result_available = false; _rep_all = 0; _rep_active = false; // set the actions addActions (find_actions); // move dialog to side of the parent if there is room on the desktop to do so. int xp = p->x () +20; int yp = p->y () + p->frameGeometry ().height () - sizeHint ().height () -20; if (yp < 0) yp = 0; move (xp, yp); } // set text of "search from start" depending on backward search void find_dialog::handle_backward_search_changed (int backward) { if (backward) _from_start_check_box->setText (tr ("Search from end")); else _from_start_check_box->setText (tr ("Search from start")); } // search text has changed: reset the search void find_dialog::handle_search_text_changed (QString) { if (_search_selection_check_box->isChecked ()) _find_result_available = false; } #if defined (HAVE_QSCI_FINDSELECTION) void find_dialog::handle_sel_search_changed (int selected) { _from_start_check_box->setEnabled (! selected); _find_result_available = false; } #else void find_dialog::handle_sel_search_changed (int /* selected */) { } #endif #if defined (HAVE_QSCI_FINDSELECTION) void find_dialog::handle_selection_changed (bool has_selected) { if (_rep_active) return; _search_selection_check_box->setEnabled (has_selected); _find_result_available = false; if (! has_selected) _search_selection_check_box->setChecked (false); } #else void find_dialog::handle_selection_changed (bool /* has_selected */) { } #endif // initialize search text with selected text if this is in one single line void find_dialog::init_search_text (void) { if (_edit_area->hasSelectedText ()) { int lbeg, lend, cbeg, cend; _edit_area->getSelection (&lbeg,&cbeg,&lend,&cend); if (lbeg == lend) _search_line_edit->setText (_edit_area->selectedText ()); } // set focus to "Find what" and select all text _search_line_edit->setFocus (); _search_line_edit->selectAll (); // Default to "find" next time. // Otherwise, it defaults to the last action, which may be "replace all". _find_next_button->setDefault (true); } void find_dialog::find_next (void) { find (! _backward_check_box->isChecked ()); } void find_dialog::find_prev (void) { find (_backward_check_box->isChecked ()); } void find_dialog::find (bool forward) { int line, col; line = col = -1; bool do_wrap = _wrap_check_box->isChecked (); bool do_forward = forward; if (_rep_all) { if (_rep_all == 1) { line = 0; col = 0; } do_wrap = false; // The following line is a workaround for the issue that when replacing // a text with a new one with different size within the selection, // the selection is not updated leading to missing or extra replacements. // This does not happen, when the selection is search backwards do_forward = ! _search_selection_check_box->isChecked (); } else { if (_from_start_check_box->isChecked ()) { if (do_forward) { line = 0; col = 0; } else { line = _edit_area->lines () - 1; col = _edit_area->text (line).length () - 1; if (col == -1) col = 0; } } else if (! do_forward) { // search from position before search characters text length // if search backward on existing results, _edit_area->getCursorPosition (&line,&col); if (_find_result_available && _edit_area->hasSelectedText ()) { int currpos = _edit_area->positionFromLineIndex (line,col); currpos -= (_search_line_edit->text ().length ()); if (currpos < 0) currpos = 0; _edit_area->lineIndexFromPosition (currpos, &line,&col); } } } if (_edit_area) { if (_edit_area->hasSelectedText () && _search_selection_check_box->isChecked ()) { #if defined (HAVE_QSCI_FINDSELECTION) if (_find_result_available) _find_result_available = _edit_area->findNext (); else _find_result_available = _edit_area->findFirstInSelection ( _search_line_edit->text (), _regex_check_box->isChecked (), _case_check_box->isChecked (), _whole_words_check_box->isChecked (), do_forward, true #if defined (HAVE_QSCI_VERSION_2_6_0) , true #endif ); #endif } else { _find_result_available = _edit_area->findFirst (_search_line_edit->text (), _regex_check_box->isChecked (), _case_check_box->isChecked (), _whole_words_check_box->isChecked (), do_wrap, do_forward, line,col, true #if defined (HAVE_QSCI_VERSION_2_6_0) , true #endif ); } } if (_find_result_available) _from_start_check_box->setChecked (0); else if (! _rep_all) no_matches_message (); } void find_dialog::do_replace (void) { _rep_active = true; // changes in selection not made by the user _edit_area->replace (_replace_line_edit->text ()); _rep_active = false; } void find_dialog::replace (void) { if (_edit_area) { // The following line is a workaround for the issue that when replacing // a text with a new one with different size within the selection, // the selection is not updated leading to missing or extra replacements. // This does not happen, when the selection is search backwards if (_search_selection_check_box->isChecked ()) _backward_check_box->setChecked (true); // do the replace if we have selected text if (_find_result_available && _edit_area->hasSelectedText ()) do_replace (); find_next (); } } void find_dialog::replace_all (void) { int line, col; if (_edit_area) { _edit_area->getCursorPosition (&line,&col); _rep_all = 1; find_next (); // find first occurence (forward) while (_find_result_available) // while search string is found { do_replace (); _rep_all++; // inc counter find_next (); // find next } QMessageBox msg_box (QMessageBox::Information, tr ("Replace Result"), tr ("%1 items replaced").arg (_rep_all-1), QMessageBox::Ok, this); msg_box.exec (); _rep_all = 0; _find_result_available = false; if (! _search_selection_check_box->isChecked ()) _edit_area->setCursorPosition (line,col); } } void find_dialog::no_matches_message (void) { QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"), tr ("No more matches found"), QMessageBox::Ok, this); msg_box.exec (); } } #endif