File indexing completed on 2024-04-28 05:49:44

 /*
     SPDX-FileCopyrightText: 2023 Gabriel Barrantes <gabriel.barrantes.dev@outlook.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "kcalc_input_display.h"
 
 #include <QLineEdit>
 // #include <kcalc_parser.h>
 
 //------------------------------------------------------------------------------
 // Name: KCalcInputDisplay
 // Desc: constructor
 //------------------------------------------------------------------------------
 KCalcInputDisplay::KCalcInputDisplay(QWidget *parent)
     : QLineEdit(parent)
 {
     overwrite_ = false;
     hard_overwrite_ = false;
 }
 
 //------------------------------------------------------------------------------
 // Name: ~KCalcInputDisplay
 // Desc:
 //------------------------------------------------------------------------------
 KCalcInputDisplay::~KCalcInputDisplay() = default;
 
 //------------------------------------------------------------------------------
 // Name: insertToken
 // Desc:
 //------------------------------------------------------------------------------
 void KCalcInputDisplay::insertToken(const QString &token)
 {
     if (overwrite_ || hard_overwrite_) {
         this->clear();
         overwrite_ = false;
         hard_overwrite_ = false;
     }
 
     this->insert(token);
 }
 
 //------------------------------------------------------------------------------
 // Name: slotSetOverwrite
 // Desc: when set, inserting to the display will clear it, and then insert.
 //       (It can be reset refocusing the display)
 //------------------------------------------------------------------------------
 void KCalcInputDisplay::slotSetOverwrite()
 {
     overwrite_ = true;
     this->clearFocus();
     // this->focusNextChild(); /* workaround to defocus the QWidget,
     // although it works, it can lead to
     // issues if the GUI changes */
 }
 
 //------------------------------------------------------------------------------
 // Name: slotSetHardOverwrite
 // Desc: when set, focusing or inserting to the display will clear it,
 //       and then insert (if requested),
 //------------------------------------------------------------------------------
 void KCalcInputDisplay::slotSetHardOverwrite()
 {
     hard_overwrite_ = true;
     overwrite_ = true;
     this->focusNextChild(); /* workaround to defocus the QWidget,
                                although it works, it can lead to
                                issues if the GUI changes */
 }
 
 //------------------------------------------------------------------------------
 // Name: slotClearOverwrite
 // Desc: resets Overwrite/hardOverwrite flags,
 //       deletes finishing '=' when required
 //------------------------------------------------------------------------------
 void KCalcInputDisplay::slotClearOverwrite()
 {
     overwrite_ = false;
     int tmp_cursorPosition = this->cursorPosition();
     if (this->text().endsWith(QLatin1String("="))) {
         this->end(false);
         this->backspace();
     }
     this->setCursorPosition(tmp_cursorPosition);
 
     if (hard_overwrite_) {
         hard_overwrite_ = false;
         this->clear();
     }
 }
 
 //------------------------------------------------------------------------------
 // Name: focusInEvent
 // Desc: focusIn, if hardOverwrite, display is cleared,
 //       then clears overwrite and hardOverwrite flags.
 //------------------------------------------------------------------------------
 void KCalcInputDisplay::focusInEvent(QFocusEvent *e)
 {
     QLineEdit::focusInEvent(e);
     slotClearOverwrite();
 }
 
 #include "moc_kcalc_input_display.cpp"