Add a Toolbars settings page: icon size, text with icons, lock

A new page in Configurer QElectroTech, "Barres d'outils", sets for
every window (folio editor, element editor, title block editor):
- the icon size: default, 16, 24, 32 or 48 px
- the buttons: icon only, text beside the icon, or text under it
- locking the toolbars so they can't be dragged out of place

OK applies it to the open windows at once. The defaults are Qt's
own, and a default value removes its key, so nothing changes for
anyone who never opens the page. A toolbar inside a panel is left
alone; only the window's own toolbars are locked.

New test tst_toolbarsettings: defaults change nothing, saved values
reach every toolbar of an open window, back to defaults removes the
keys.

Third stage of discussion #1319.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

sources/editor/ui/qetelementeditor.cpp

@@ -54,6 +54,7 @@
 #include "../../dxf/dxftoelmt.h"
 #include "../../qet_elementscaler/qet_elementscaler.h"
 #include "../UndoCommand/openelmtcommand.h"
+#include "../../toolbarsettings.h"
 
 #include <QSettings>
 #include <QActionGroup>
@@ -89,6 +90,7 @@ QETElementEditor::QETElementEditor(QWidget *parent) :
 	readSettings();  // restoreGeometry before show()
 	show();
 	readSettingsState();  // restoreState() must be called after show() in Qt6
+	ToolbarSettings::applyTo(this);
 }
 
 /**

sources/qetapp.cpp

@@ -42,6 +42,7 @@
 #include "ui/configpage/generalconfigurationpage.h"
 #include "ui/configpage/shortcutsconfigpage.h"
 #include "ui/configpage/shortcutbarconfigpage.h"
+#include "ui/configpage/toolbarsconfigpage.h"
 #include "machine_info.h"
 #include "TerminalStrip/ui/terminalstripeditorwindow.h"
 #include "qetversion.h"
@@ -2225,6 +2226,7 @@ void QETApp::configureQET()
 	cd.addPage(new PrintConfigPage());
 	cd.addPage(new ShortcutsConfigPage());
 	cd.addPage(new ShortcutBarConfigPage());
+	cd.addPage(new ToolbarsConfigPage());
 #ifdef QET_SPACEMOUSE_SUPPORT
 	cd.addPage(new SpaceMouseConfigPage());
 #endif

sources/qetdiagrameditor.cpp

@@ -85,6 +85,7 @@
 #include "wiringlistexport.h"
 #include "ui/wiringlistdialog.h"
 #include "ui/terminalnumberingdialog.h"
+#include "toolbarsettings.h"
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
@@ -186,6 +187,7 @@ QETDiagramEditor::QETDiagramEditor(const QStringList &files, QWidget *parent) :
 	readSettings();  // restoreGeometry before show()
 	show();
 	readSettingsState();  // restoreState() must be called after show() in Qt6
+	ToolbarSettings::applyTo(this);
 #ifdef QET_HAS_SCRIPTING
 	setUpLiveIndicator();
 	setUpMacroRecorder();

sources/titleblock/qettemplateeditor.cpp

@@ -27,6 +27,7 @@
 #include "templatelocationsaver.h"
 #include "templatelogomanager.h"
 #include "templateview.h"
+#include "../toolbarsettings.h"
 
 /**
 	@param parent parent QWidget of this window
@@ -46,6 +47,7 @@ QETTitleBlockTemplateEditor::QETTitleBlockTemplateEditor(QWidget *parent) :
 	initActions();
 	initMenus();
 	initToolbars();
+	ToolbarSettings::applyTo(this);
 	readSettings();
 }
 

sources/toolbarsettings.cpp

@@ -0,0 +1,102 @@
+/*
+	Copyright 2006-2026 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "toolbarsettings.h"
+
+#include <QApplication>
+#include <QMainWindow>
+#include <QSettings>
+#include <QToolBar>
+
+namespace {
+	const QString ICON_SIZE    = QStringLiteral("toolbars/icon_size");
+	const QString BUTTON_STYLE = QStringLiteral("toolbars/button_style");
+	const QString LOCKED       = QStringLiteral("toolbars/locked");
+}
+
+int ToolbarSettings::iconSize()
+{
+	return QSettings().value(ICON_SIZE, 0).toInt();
+}
+
+Qt::ToolButtonStyle ToolbarSettings::buttonStyle()
+{
+	const int style = QSettings().value(BUTTON_STYLE, int(Qt::ToolButtonIconOnly)).toInt();
+	switch (style) {
+		case Qt::ToolButtonTextBesideIcon:
+		case Qt::ToolButtonTextUnderIcon:
+			return Qt::ToolButtonStyle(style);
+		default:
+			return Qt::ToolButtonIconOnly;
+	}
+}
+
+bool ToolbarSettings::locked()
+{
+	return QSettings().value(LOCKED, false).toBool();
+}
+
+/**
+	@brief ToolbarSettings::save
+	Store the three values; a default value removes its key.
+*/
+void ToolbarSettings::save(int icon_size, Qt::ToolButtonStyle style, bool locked)
+{
+	QSettings settings;
+	if (icon_size > 0) settings.setValue(ICON_SIZE, icon_size);
+	else settings.remove(ICON_SIZE);
+	if (style != Qt::ToolButtonIconOnly) settings.setValue(BUTTON_STYLE, int(style));
+	else settings.remove(BUTTON_STYLE);
+	if (locked) settings.setValue(LOCKED, true);
+	else settings.remove(LOCKED);
+}
+
+/**
+	@brief ToolbarSettings::applyTo
+	Apply the settings to \a window and its toolbars. The window passes
+	its icon size and button style on to every toolbar that has none of
+	its own; an invalid size gives the style's default back.
+*/
+void ToolbarSettings::applyTo(QMainWindow *window)
+{
+	if (!window) {
+		return;
+	}
+	const int size = iconSize();
+	window->setIconSize(size > 0 ? QSize(size, size) : QSize());
+	window->setToolButtonStyle(buttonStyle());
+	const bool movable = !locked();
+	for (QToolBar *toolbar : window->findChildren<QToolBar *>()) {
+			//Not a toolbar inside a panel: only the window's own
+		if (window->toolBarArea(toolbar) != Qt::NoToolBarArea) {
+			toolbar->setMovable(movable);
+		}
+	}
+}
+
+/**
+	@brief ToolbarSettings::applyToAll
+	Apply the settings to every open window, after they change.
+*/
+void ToolbarSettings::applyToAll()
+{
+	for (QWidget *widget : QApplication::topLevelWidgets()) {
+		if (auto *window = qobject_cast<QMainWindow *>(widget)) {
+			applyTo(window);
+		}
+	}
+}

sources/toolbarsettings.h

@@ -0,0 +1,45 @@
+/*
+	Copyright 2006-2026 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef TOOLBARSETTINGS_H
+#define TOOLBARSETTINGS_H
+
+#include <QSize>
+#include <Qt>
+
+class QMainWindow;
+
+/**
+	@brief How every window's toolbars look: icon size, text with the
+	icons, and whether they can be moved. Stored in QSettings; a value
+	the user never changed keeps Qt's default, so nothing changes for
+	anyone who does not set one.
+*/
+class ToolbarSettings
+{
+	public:
+			/// Icon size in pixels, or 0 for the style's default size
+		static int iconSize();
+		static Qt::ToolButtonStyle buttonStyle();
+		static bool locked();
+		static void save(int icon_size, Qt::ToolButtonStyle style, bool locked);
+
+		static void applyTo(QMainWindow *window);
+		static void applyToAll();
+};
+
+#endif // TOOLBARSETTINGS_H

sources/ui/configpage/toolbarsconfigpage.cpp

@@ -0,0 +1,88 @@
+/*
+	Copyright 2006-2026 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "toolbarsconfigpage.h"
+
+#include "../../qeticons.h"
+#include "../../toolbarsettings.h"
+
+#include <QCheckBox>
+#include <QComboBox>
+#include <QFormLayout>
+#include <QFrame>
+#include <QLabel>
+#include <QVBoxLayout>
+
+ToolbarsConfigPage::ToolbarsConfigPage(QWidget *parent) :
+	ConfigPage(parent)
+{
+	auto *vlayout = new QVBoxLayout(this);
+	vlayout->addWidget(new QLabel(title(), this));
+	auto *line = new QFrame(this);
+	line->setFrameShape(QFrame::HLine);
+	vlayout->addWidget(line);
+
+	m_icon_size = new QComboBox(this);
+	m_icon_size->setObjectName(QStringLiteral("iconSizeCombo"));
+	m_icon_size->addItem(tr("Par défaut"), 0);
+	m_icon_size->addItem(tr("Petites (16 px)"), 16);
+	m_icon_size->addItem(tr("Moyennes (24 px)"), 24);
+	m_icon_size->addItem(tr("Grandes (32 px)"), 32);
+	m_icon_size->addItem(tr("Très grandes (48 px)"), 48);
+	const int size_index = m_icon_size->findData(ToolbarSettings::iconSize());
+	m_icon_size->setCurrentIndex(size_index < 0 ? 0 : size_index);
+
+	m_button_style = new QComboBox(this);
+	m_button_style->setObjectName(QStringLiteral("buttonStyleCombo"));
+	m_button_style->addItem(tr("Icône seule"), int(Qt::ToolButtonIconOnly));
+	m_button_style->addItem(tr("Texte à côté de l'icône"), int(Qt::ToolButtonTextBesideIcon));
+	m_button_style->addItem(tr("Texte sous l'icône"), int(Qt::ToolButtonTextUnderIcon));
+	m_button_style->setCurrentIndex(m_button_style->findData(int(ToolbarSettings::buttonStyle())));
+
+	m_locked = new QCheckBox(tr("Verrouiller les barres d'outils (elles ne peuvent plus être déplacées)"), this);
+	m_locked->setObjectName(QStringLiteral("lockedCheck"));
+	m_locked->setChecked(ToolbarSettings::locked());
+
+	auto *form = new QFormLayout();
+	form->addRow(tr("Taille des icônes :"), m_icon_size);
+	form->addRow(tr("Boutons :"), m_button_style);
+	form->addRow(m_locked);
+	vlayout->addLayout(form);
+
+	auto *hint = new QLabel(tr("Pour afficher ou masquer une barre d'outils, faites un clic droit sur une barre d'outils."), this);
+	hint->setWordWrap(true);
+	vlayout->addWidget(hint);
+	vlayout->addStretch();
+}
+
+void ToolbarsConfigPage::applyConf()
+{
+	ToolbarSettings::save(m_icon_size->currentData().toInt(),
+			      Qt::ToolButtonStyle(m_button_style->currentData().toInt()),
+			      m_locked->isChecked());
+	ToolbarSettings::applyToAll();
+}
+
+QString ToolbarsConfigPage::title() const
+{
+	return tr("Barres d'outils", "configuration page title");
+}
+
+QIcon ToolbarsConfigPage::icon() const
+{
+	return QET::Icons::ConfigureToolbars;
+}

sources/ui/configpage/toolbarsconfigpage.h

@@ -0,0 +1,49 @@
+/*
+	Copyright 2006-2026 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef TOOLBARSCONFIGPAGE_H
+#define TOOLBARSCONFIGPAGE_H
+
+#include "configpage.h"
+
+class QCheckBox;
+class QComboBox;
+
+/**
+	@brief The ToolbarsConfigPage class
+	Toolbar icon size, text with the icons, and locking the toolbars in
+	place, for every window. Saved and applied to the open windows by
+	applyConf().
+*/
+class ToolbarsConfigPage : public ConfigPage
+{
+		Q_OBJECT
+
+	public:
+		explicit ToolbarsConfigPage(QWidget *parent = nullptr);
+
+		void applyConf() override;
+		QString title() const override;
+		QIcon icon() const override;
+
+	private:
+		QComboBox *m_icon_size;
+		QComboBox *m_button_style;
+		QCheckBox *m_locked;
+};
+
+#endif // TOOLBARSCONFIGPAGE_H