155 lines
4.4 KiB
C++
155 lines
4.4 KiB
C++
#include "sequenceedit.h"
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#include "../settingscache.h"
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#include <QLineEdit>
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#include <QPushButton>
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#include <QHBoxLayout>
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#include <QEvent>
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#include <QKeyEvent>
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#include <QToolTip>
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SequenceEdit::SequenceEdit(QString _shorcutName, QWidget *parent) : QWidget(parent)
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{
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shorcutName = _shorcutName;
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currentKey = 0;
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maxKeys = 4;
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keys = 0;
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valid = false;
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lineEdit = new QLineEdit(this);
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clearButton = new QPushButton("", this);
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defaultButton = new QPushButton("", this);
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lineEdit->setMinimumWidth(70);
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clearButton->setMaximumWidth(lineEdit->height());
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defaultButton->setMaximumWidth(lineEdit->height());
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clearButton->setMaximumHeight(lineEdit->height());
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defaultButton->setMaximumHeight(lineEdit->height());
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clearButton->setIcon(QIcon("theme:icons/clearsearch.svg"));
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defaultButton->setIcon(QIcon("theme:icons/update.png"));
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clearButton->setAttribute(Qt::WA_LayoutUsesWidgetRect);
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defaultButton->setAttribute(Qt::WA_LayoutUsesWidgetRect);
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QHBoxLayout *layout = new QHBoxLayout(this);
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layout->setContentsMargins(0,0,0,0);
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layout->setSpacing(1);
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layout->addWidget(lineEdit);
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layout->addWidget(clearButton);
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layout->addWidget(defaultButton);
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connect(clearButton,SIGNAL(clicked()),this,SLOT(removeLastShortcut()));
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connect(defaultButton,SIGNAL(clicked()),this,SLOT(restoreDefault()));
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lineEdit->installEventFilter(this);
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lineEdit->setText(settingsCache->shortcuts().getShortcutString(shorcutName));
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}
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QString SequenceEdit::getSecuence()
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{
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return lineEdit->text();
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}
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void SequenceEdit::removeLastShortcut()
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{
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QString secuences = lineEdit->text();
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if(!secuences.isEmpty())
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{
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if(secuences.lastIndexOf(";") > 0){
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QString valid = secuences.left(secuences.lastIndexOf(";"));
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lineEdit->setText(valid);
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}
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else
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lineEdit->clear();
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updateSettings();
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}
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}
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void SequenceEdit::restoreDefault()
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{
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lineEdit->setText(settingsCache->shortcuts().getDefaultShortcutString(shorcutName));
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updateSettings();
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}
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bool SequenceEdit::eventFilter(QObject *, QEvent * event)
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{
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if(event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease)
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{
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QKeyEvent * keyEvent = (QKeyEvent *) event;
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if(event->type() == QEvent::KeyPress && !keyEvent->isAutoRepeat())
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processKey(keyEvent);
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else if (event->type() == QEvent::KeyRelease && !keyEvent->isAutoRepeat())
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finishShortcut();
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return true;
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}
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return false;
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}
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void SequenceEdit::processKey(QKeyEvent* e)
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{
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int key = e->key();
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if(key != Qt::Key_Control && key != Qt::Key_Shift
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&& key != Qt::Key_Meta && key != Qt::Key_Alt)
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{
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valid = true;
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key |= translateModifiers(e->modifiers(), e->text());
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}
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keys = key;
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currentKey++;
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if(currentKey >= key)
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finishShortcut();
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}
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int SequenceEdit::translateModifiers(Qt::KeyboardModifiers state, const QString &text)
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{
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int result = 0;
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// The shift modifier only counts when it is not used to type a symbol
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// that is only reachable using the shift key anyway
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if ((state & Qt::ShiftModifier) && (text.isEmpty() ||
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!text.at(0).isPrint() ||
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text.at(0).isLetterOrNumber() ||
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text.at(0).isSpace()))
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result |= Qt::SHIFT;
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if (state & Qt::ControlModifier)
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result |= Qt::CTRL;
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if (state & Qt::MetaModifier)
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result |= Qt::META;
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if (state & Qt::AltModifier)
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result |= Qt::ALT;
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return result;
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}
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void SequenceEdit::finishShortcut()
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{
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QKeySequence secuence(keys);
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if(!secuence.isEmpty() && valid)
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{
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QString secuenceString = secuence.toString();
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if(settingsCache->shortcuts().isValid(shorcutName,secuenceString))
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{
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if(!lineEdit->text().isEmpty())
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{
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if(lineEdit->text().contains(secuenceString))
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return;
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lineEdit->setText(lineEdit->text() + ";");
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}
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lineEdit->setText(lineEdit->text() + secuenceString);
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}
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else
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{
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QToolTip::showText(lineEdit->mapToGlobal(QPoint()), tr("Shortcut already in use"));
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}
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}
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currentKey = 0;
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keys = 0;
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valid = false;
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updateSettings();
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}
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void SequenceEdit::updateSettings()
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{
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settingsCache->shortcuts().setShortcuts(shorcutName,lineEdit->text());
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}
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