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QT6: QMouseEvent
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@@ -1,28 +1,29 @@
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/*
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Copyright 2006-2020 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qtextorientationwidget.h"
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#include <algorithm>
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#include <QMouseEvent>
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/**
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Constructeur
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Par defaut, ce widget met en valeur les angles multiples de 45 degres
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et presente un texte oriente a 0 degre, avec la police par defaut de
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l'application. Le texte affiche est
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l'application. Le texte affiche est
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@param parent Widget parent
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*/
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QTextOrientationWidget::QTextOrientationWidget(QWidget *parent) :
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@@ -36,14 +37,14 @@ QTextOrientationWidget::QTextOrientationWidget(QWidget *parent) :
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// chaines par defaut
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text_size_hash_.insert(tr("Ex.", "Short example string"), -1);
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text_size_hash_.insert(tr("Exemple", "Longer example string"), -1);
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// definit la politique de gestion de la taille de ce widget :
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// on prefere la sizeHint()
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QSizePolicy size_policy(QSizePolicy::Minimum, QSizePolicy::Minimum);
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// on souhaite conserver le rapport entre sa hauteur et sa largeur
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size_policy.setHeightForWidth(true);
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setSizePolicy(size_policy);
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// suivi de la souris : permet de recevoir les evenements relatifs aux
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// mouvement de la souris sans que l'utilisateur n'ait a cliquer
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setMouseTracking(true);
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@@ -82,7 +83,7 @@ double QTextOrientationWidget::orientation() const
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*/
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void QTextOrientationWidget::setFont(const QFont &font) {
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text_font_ = font;
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// invalide le cache contenant les longueurs des textes a disposition
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foreach(QString text, text_size_hash_.keys()) {
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text_size_hash_[text] = -1;
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@@ -121,7 +122,7 @@ bool QTextOrientationWidget::textDisplayed() const
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*/
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void QTextOrientationWidget::setUsableTexts(const QStringList &texts_list) {
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if (texts_list.isEmpty()) return;
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// on oublie les anciennes chaines
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foreach(QString text, text_size_hash_.keys()) {
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// il faut oublier les anciennes chaines
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@@ -129,7 +130,7 @@ void QTextOrientationWidget::setUsableTexts(const QStringList &texts_list) {
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text_size_hash_.remove(text);
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}
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}
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// on ajoute les nouvelles, sans les calculer (on met -1 en guise de longueur)
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foreach(QString text, texts_list) {
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if (!text_size_hash_.contains(text)) {
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@@ -185,31 +186,31 @@ int QTextOrientationWidget::heightForWidth(int w) const
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*/
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void QTextOrientationWidget::paintEvent(QPaintEvent *event) {
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Q_UNUSED(event);
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// rectangle de travail avec son centre et son rayon
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QRect drawing_rectangle(QPoint(0, 0), size());
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drawing_rectangle.adjust(5, 5, -5, -5);
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QPointF drawing_rectangle_center(drawing_rectangle.center());
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qreal drawing_rectangle_radius = drawing_rectangle.width() / 2.0;
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QPainter p;
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p.begin(this);
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p.setRenderHint(QPainter::Antialiasing, true);
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p.setRenderHint(QPainter::TextAntialiasing, true);
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// cercle gris a fond jaune
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p.setPen(QPen(QBrush(QColor("#9FA8A8")), 2.0));
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p.setBrush(QBrush(QColor("#ffffaa")));
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p.drawEllipse(drawing_rectangle);
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// ligne rouge indiquant l'angle actuel
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p.setPen(QPen(QBrush(Qt::red), 1.0));
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p.translate(drawing_rectangle_center);
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p.rotate(current_orientation_);
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p.drawLine(QLineF(QPointF(), QPointF(drawing_rectangle_radius, 0.0)));
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// texte optionnel
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if (display_text_) {
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// determine le texte a afficher
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@@ -223,7 +224,7 @@ void QTextOrientationWidget::paintEvent(QPaintEvent *event) {
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p.drawText(QPoint(), chosen_text);
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}
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}
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// carres verts a fond vert
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qreal squares_size = size().width() / 15.0;
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qreal square_offset = - squares_size / 2.0;
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@@ -244,7 +245,7 @@ void QTextOrientationWidget::paintEvent(QPaintEvent *event) {
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p.setBrush(QBrush(QColor("#248A34")));
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}
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}
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p.end();
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}
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@@ -254,9 +255,15 @@ void QTextOrientationWidget::paintEvent(QPaintEvent *event) {
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*/
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void QTextOrientationWidget::mouseMoveEvent(QMouseEvent *event) {
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if (read_only_) return;
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
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bool drawn_angle_hovered = positionIsASquare(event -> localPos(), &highlight_angle_);
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#else
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#if TODO_LIST
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#pragma message("@TODO remove code for QT 6 or later")
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#endif
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bool drawn_angle_hovered = positionIsASquare(event -> position(), &highlight_angle_);
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#endif
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if (must_highlight_angle_ != drawn_angle_hovered) {
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must_highlight_angle_ = drawn_angle_hovered;
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update();
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@@ -269,10 +276,16 @@ void QTextOrientationWidget::mouseMoveEvent(QMouseEvent *event) {
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*/
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void QTextOrientationWidget::mouseReleaseEvent(QMouseEvent *event) {
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if (read_only_) return;
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double clicked_angle;
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
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bool drawn_angle_clicked = positionIsASquare(event -> localPos(), &clicked_angle);
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#else
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#if TODO_LIST
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#pragma message("@TODO remove code for QT 6 or later")
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#endif
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bool drawn_angle_clicked = positionIsASquare(event -> position(), &clicked_angle);
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#endif
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if (drawn_angle_clicked) {
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setOrientation(clicked_angle);
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emit(orientationChanged(clicked_angle));
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@@ -288,7 +301,7 @@ void QTextOrientationWidget::mouseReleaseEvent(QMouseEvent *event) {
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QString QTextOrientationWidget::getMostUsableStringForRadius(const qreal &radius) {
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// s'assure que l'on connait la longueur de chaque texte a disposition
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generateTextSizeHash();
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// recupere les longueurs a disposition
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QList<qreal> available_lengths = text_size_hash_.values();
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// trie les longueurs par ordre croissant
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@@ -297,7 +310,7 @@ QString QTextOrientationWidget::getMostUsableStringForRadius(const qreal &radius
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QList<qreal>::const_iterator i = std::upper_bound(available_lengths.begin(),
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available_lengths.end(),
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radius);
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// la valeur precedent cette position est donc celle qui nous interesse
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if (i == available_lengths.begin()) {
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// nous sommes au debut de la liste - nous ne pouvons donc pas afficher de chaine
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@@ -335,27 +348,27 @@ bool QTextOrientationWidget::positionIsASquare(const QPointF &pos, double *angle
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// rectangle de travail avec son centre et son rayon
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QRect drawing_rectangle(QPoint(0, 0), size());
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drawing_rectangle.adjust(5, 5, -5, -5);
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QPointF drawing_rectangle_center(drawing_rectangle.center());
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qreal drawing_rectangle_radius = drawing_rectangle.width() / 2.0;
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qreal squares_size = size().width() / 15.0;
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qreal square_offset = - squares_size / 2.0;
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QRectF square_qrect = QRect(square_offset, square_offset, squares_size, squares_size);
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for (double drawing_angle = 0.0 ; drawing_angle < 360.0 ; drawing_angle += squares_interval_) {
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QTransform transform = QTransform()
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.translate(drawing_rectangle_center.x(), drawing_rectangle_center.y())
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.rotate(drawing_angle)
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.translate(drawing_rectangle_radius - 1.0, 0.0)
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.rotate(-45.0);
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QRectF mapped_rectangle = transform.mapRect(square_qrect);
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if (mapped_rectangle.contains(pos)) {
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if (angle_value_ptr) *angle_value_ptr = drawing_angle;
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return(true);
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}
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}
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return(false);
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}
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