tree changes

qad/utils/qpicalculator/CMakeLists.txt

@@ -0,0 +1,23 @@
+project(qpicalc)
+find_qt(${QtVersions} Core Gui Widgets)
+qt_sources(SRC)
+qt_wrap(${SRC} CPPS out_CPP QMS out_QM)
+qt_add_executable(${PROJECT_NAME} WIN32 out_CPP)
+qt_target_link_libraries(${PROJECT_NAME} qad_utils qad_widgets qad_graphic)
+message(STATUS "Building ${PROJECT_NAME}")
+if(LIB)
+	if(WIN32)
+		qt_install(TARGETS ${PROJECT_NAME} DESTINATION ${MINGW_BIN})
+	else()
+		if (DEFINED ANDROID_PLATFORM)
+			qt_install(TARGETS ${PROJECT_NAME} DESTINATION ${ANDROID_SYSTEM_LIBRARY_PATH}/usr/bin)
+		else()
+			qt_install(TARGETS ${PROJECT_NAME} DESTINATION /usr/local/bin)
+		endif()
+	endif()
+	#message(STATUS "Install ${PROJECT_NAME} to system \"${CMAKE_INSTALL_PREFIX}\"")
+else()
+	qt_install(TARGETS ${PROJECT_NAME} DESTINATION bin)
+	#message(STATUS "Install ${PROJECT_NAME} to local \"bin\"")
+endif()
+

qad/utils/qpicalculator/icons/mbricks.svg

@@ -0,0 +1,351 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="256"
+   height="256"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.47 r22583"
+   sodipodi:docname="mbricks.svg"
+   inkscape:export-filename="/home/peri4/pprojects/mbricks/icons/mbricks_256.png"
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qad/utils/qpicalculator/main.cpp

@@ -0,0 +1,13 @@
+#include <QApplication>
+#include "mainwindow.h"
+
+
+int main(int argc, char *argv[]) {
+	QApplication a(argc, argv);
+#if QT_VERSION >= 0x050000
+	a.setAttribute(Qt::AA_UseHighDpiPixmaps, true);
+#endif
+	MainWindow w;
+	w.show();
+	return a.exec();
+}

qad/utils/qpicalculator/mainwindow.cpp

@@ -0,0 +1,261 @@
+#include "mainwindow.h"
+
+
+MainWindow::MainWindow(QWidget * parent): QMainWindow(parent), Ui::MainWindow() {
+	setupUi(this);
+	active_ = false;
+	lineInput->setFocus();
+#if QT_VERSION >= 0x050000
+	treeGraphics->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
+	treeGraphics->header()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
+#else
+	treeGraphics->header()->setResizeMode(0, QHeaderView::ResizeToContents);
+	treeGraphics->header()->setResizeMode(1, QHeaderView::ResizeToContents);
+#endif
+	npal = epal = lineInput->palette();
+	epal.setColor(lineInput->backgroundRole(), QColor(Qt::red).lighter(150));
+	connect(&session, SIGNAL(loading(QPIConfig & )), this, SLOT(loading(QPIConfig & )));
+	connect(&session, SIGNAL(saving(QPIConfig & )), this, SLOT(saving(QPIConfig & )));
+	session.setFile("session_qpicalc.conf");
+	session.addEntry(this);
+	session.addEntry(lineInput);
+	session.addEntry(tabWidget);
+	session.load();
+	ans = evaluator.setVariable("ans");
+	on_lineInput_returnPressed();
+}
+
+
+MainWindow::~MainWindow() {session.save();
+}
+
+
+void MainWindow::changeEvent(QEvent * e) {
+	QMainWindow::changeEvent(e);
+	switch (e->type()) {
+	case QEvent::LanguageChange:
+		retranslateUi(this);
+		break;
+	default:
+		break;
+	}
+}
+
+
+void MainWindow::updateGraphics() {
+	graphic->setGraphicsCount(treeGraphics->topLevelItemCount());
+	for (int i = 0; i < treeGraphics->topLevelItemCount(); ++i)
+		graphic->setGraphicColor(treeGraphics->topLevelItem(i)->data(0, Qt::DecorationRole).value<QColor>(), i);
+	redrawGraphics();
+}
+
+
+void MainWindow::redrawGraphics() {
+	QRectF sr = graphic->visualRect();
+	double dx = (sr.right() - sr.left()) / graphic->width(), sx = sr.left(), fx = sr.right(), cx;
+	QPolygonF pol;
+	evaluator.setVariable("x");
+	int vi = evaluator.variableIndex("x");
+	graphic->setAutoUpdate(false);
+	for (int i = 0; i < treeGraphics->topLevelItemCount(); ++i) {
+		QTreeWidgetItem * ti = treeGraphics->topLevelItem(i);
+		graphic->setGraphicName(ti->text(1), i);
+		pol.clear();
+		if (ti->checkState(0) == Qt::Checked) {
+			if (evaluator.check(ti->text(1))) {
+				cx = sx;
+				while (cx < fx) {
+					evaluator.setVariable(vi, complexd(cx, 0.));
+					pol << QPointF(cx, evaluator.evaluate().real());
+					cx += dx;
+				}
+			}
+		}
+		graphic->setGraphicVisible(ti->checkState(0) == Qt::Checked, i);
+		graphic->setGraphicData(pol, i);
+	}
+	graphic->setAutoUpdate(true);
+	graphic->update(true);
+}
+
+
+void MainWindow::loading(QPIConfig & conf) {
+	active_ = false;
+	QStringList vars = conf.getValue("variables").toStringList();
+	int vc = vars.size() / 2;
+	for (int i = 0; i < vc; ++i) {
+		QTreeWidgetItem * ti = new QTreeWidgetItem(treeVariables);
+		ti->setText(0, vars[i * 2]);
+		ti->setText(1, vars[i * 2 + 1]);
+		ti->setFlags(ti->flags() | Qt::ItemIsEditable);
+		treeVariables->addTopLevelItem(ti);
+	}
+	buttonVarClear->setEnabled(treeVariables->topLevelItemCount() > 0);
+	QByteArray ba = conf.getValue("graphics").toByteArray();
+	QDataStream s(ba);
+	QVector<GraphicType> g;
+	if (!ba.isEmpty()) s >> g;
+	graphic->setAllGraphics(g);
+	for (int i = 0; i < graphic->graphicsCount(); ++i) {
+		graphic->setCurrentGraphic(i);
+		QTreeWidgetItem * ti = new QTreeWidgetItem(treeGraphics);
+		ti->setFlags(ti->flags() | Qt::ItemIsEditable);
+		ti->setCheckState(0, graphic->graphicVisible() ? Qt::Checked : Qt::Unchecked);
+		ti->setData(0, Qt::DecorationRole, graphic->graphicColor());
+		ti->setText(1, graphic->graphicName());
+		treeGraphics->addTopLevelItem(ti);
+	}
+	buttonGraphicClear->setEnabled(treeGraphics->topLevelItemCount() > 0);
+	graphic->setVisualRect(conf.getValue("graphicRect", QRectF(-1., -1., 2., 2.)).toRectF());
+	ba = conf.getValue("graphic_state").toByteArray();
+	if (!ba.isEmpty())
+		graphic->load(ba);
+	on_tabWidget_currentChanged(0);
+	redrawGraphics();
+	active_ = true;
+}
+
+
+void MainWindow::saving(QPIConfig & conf) {
+	QStringList vars;
+	int vc = treeVariables->topLevelItemCount();
+	for (int i = 0; i < vc; ++i) {
+		QTreeWidgetItem * ti = treeVariables->topLevelItem(i);
+		vars << ti->text(0) << ti->text(1);
+	}
+	conf.setValue("variables", vars);
+
+	QVector<GraphicType> g;
+	vc = treeGraphics->topLevelItemCount();
+	for (int i = 0; i < vc; ++i) {
+		QTreeWidgetItem * ti = treeGraphics->topLevelItem(i);
+		vars << QString::number(ti->background(1).color().rgb()) << ti->text(2);
+	}
+	QByteArray ba; QDataStream s(&ba, QIODevice::WriteOnly);
+	s << graphic->allGraphics();
+	conf.setValue("graphics", QByteArray2QString(ba));
+	conf.setValue("graphicRect", graphic->visualRect());
+	conf.setValue("graphic_state", graphic->save());
+}
+
+
+void MainWindow::on_lineInput_textChanged(QString text) {
+	if (evaluator.check(text)) lineInput->setPalette(npal);
+	else lineInput->setPalette(epal);
+	labelParsed->setText(evaluator.expression());
+	labelError->setText(evaluator.error());
+}
+
+
+void MainWindow::on_lineInput_returnPressed() {
+	bool ret = evaluator.check(lineInput->text());
+	if (ret) lineInput->setPalette(npal);
+	else lineInput->setPalette(epal);
+	labelParsed->setText(evaluator.expression());
+	labelError->setText(evaluator.error());
+	if (!ret) return;
+	complexd val = evaluator.evaluate();
+	evaluator.setVariable(ans, val);
+	if (val.imag() == 0) labelResult->setText(QString::number(val.real()));
+	else {
+		if (val.real() == 0) labelResult->setText(QString::number(val.imag()) + "i");
+		else {
+			if (val.imag() > 0) labelResult->setText(QString::number(val.real())
+								+ " + " + QString::number(val.imag()) + "i");
+			else labelResult->setText(QString::number(val.real())
+								+ " - " + QString::number(fabs(val.imag())) + "i");
+		}
+	}
+	if (lineInput->text().trimmed().isEmpty()) return;
+	QTreeWidgetItem * ti = 0, * pti = 0;
+	if (treeHistory->topLevelItemCount() > 0)
+		pti = treeHistory->topLevelItem(treeHistory->topLevelItemCount() - 1);
+	if (pti != 0)
+		if (pti->text(0) == lineInput->text())
+			return;
+	ti = new QTreeWidgetItem(treeHistory);
+	ti->setText(0, lineInput->text());
+	ti->setText(1, labelResult->text());
+	treeHistory->addTopLevelItem(ti);
+	if (treeHistory->verticalScrollBar()->value() == treeHistory->verticalScrollBar()->maximum())
+		treeHistory->scrollToBottom();
+}
+
+
+void MainWindow::on_treeGraphics_itemDoubleClicked(QTreeWidgetItem * item, int column) {
+	Qt::ItemFlags f = item->flags();
+	if (column != 1) f &= ~Qt::ItemIsEditable;
+	else f |= Qt::ItemIsEditable;
+	item->setFlags(f);
+	if (column != 0) return;
+	QColor col = QColorDialog::getColor(item->data(0, Qt::DecorationRole).value<QColor>(), this, "Select color for graphic", QColorDialog::ShowAlphaChannel);
+	if (!col.isValid()) return;
+	item->setData(0, Qt::DecorationRole, col);
+	updateGraphics();
+}
+
+
+void MainWindow::on_buttonVarAdd_clicked() {
+	QTreeWidgetItem * ti = new QTreeWidgetItem(treeVariables);
+	ti->setSelected(true);
+	ti->setFlags(ti->flags() | Qt::ItemIsEditable);
+	treeVariables->addTopLevelItem(ti);
+	treeVariables->setFocus();
+	treeVariables->editItem(ti);
+	buttonVarClear->setEnabled(treeVariables->topLevelItemCount() > 0);
+}
+
+
+void MainWindow::on_buttonVarDel_clicked() {
+	QList<QTreeWidgetItem * > si = treeVariables->selectedItems();
+	foreach (QTreeWidgetItem * i, si)
+		delete i;
+	buttonVarClear->setEnabled(treeVariables->topLevelItemCount() > 0);
+}
+
+
+void MainWindow::on_buttonGraphicAdd_clicked() {
+	graphic->setGraphicsCount(graphic->graphicsCount() + 1);
+	graphic->setCurrentGraphic(graphic->graphicsCount() - 1);
+	QTreeWidgetItem * ti = new QTreeWidgetItem(treeGraphics);
+	ti->setSelected(true);
+	ti->setFlags(ti->flags() | Qt::ItemIsEditable);
+	ti->setCheckState(0, Qt::Checked);
+	ti->setData(0, Qt::DecorationRole, graphic->graphicColor());
+	treeGraphics->addTopLevelItem(ti);
+	treeGraphics->setFocus();
+	treeGraphics->editItem(ti, 1);
+	buttonGraphicClear->setEnabled(treeGraphics->topLevelItemCount() > 0);
+	updateGraphics();
+}
+
+
+void MainWindow::on_buttonGraphicDel_clicked() {
+	QList<QTreeWidgetItem * > si = treeGraphics->selectedItems();
+	foreach (QTreeWidgetItem * i, si)
+		delete i;
+	buttonGraphicClear->setEnabled(treeGraphics->topLevelItemCount() > 0);
+	updateGraphics();
+}
+
+
+void MainWindow::on_buttonGraphicClear_clicked() {
+	treeGraphics->clear();
+	buttonGraphicClear->setEnabled(false);
+	updateGraphics();
+}
+
+
+void MainWindow::on_tabWidget_currentChanged(int index) {
+	QPIEvaluator eval;
+	evaluator.clearCustomVariables();
+	for (int i = 0; i < treeVariables->topLevelItemCount(); ++i) {
+		QString vn, vv;
+		vn = treeVariables->topLevelItem(i)->text(0);
+		vv = treeVariables->topLevelItem(i)->text(1);
+		eval.check(vv);
+		evaluator.setVariable(vn, eval.evaluate());
+	}
+	if (index == 0) on_lineInput_returnPressed();
+	if (index == 2) redrawGraphics();
+}

qad/utils/qpicalculator/mainwindow.h

@@ -0,0 +1,56 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QPalette>
+#include <QFile>
+#include <QTextStream>
+#include <QScrollBar>
+#include <QColorDialog>
+#include "ui_mainwindow.h"
+#include "qpievaluator.h"
+#include "session_manager.h"
+
+
+class MainWindow: public QMainWindow, private Ui::MainWindow
+{
+	Q_OBJECT
+public:
+	MainWindow(QWidget * parent = 0);
+	~MainWindow();
+
+protected:
+	void changeEvent(QEvent * e);
+
+private:
+	void updateGraphics();
+	void redrawGraphics();
+
+	QPIEvaluator evaluator;
+	QPalette npal, epal;
+	SessionManager session;
+	int ans;
+	bool active_;
+
+private slots:
+	void loading(QPIConfig & conf);
+	void saving(QPIConfig & conf);
+	void on_lineInput_textChanged(QString s);
+	void on_lineInput_returnPressed();
+	void on_treeHistory_itemDoubleClicked(QTreeWidgetItem * item, int column) {lineInput->setText(item->text(0));}
+	void on_treeVariables_itemSelectionChanged() {buttonVarDel->setDisabled(treeVariables->selectedItems().isEmpty());}
+	void on_treeGraphics_itemSelectionChanged() {buttonGraphicDel->setDisabled(treeGraphics->selectedItems().isEmpty());}
+	void on_treeGraphics_itemChanged(QTreeWidgetItem * , int col) { if (active_) redrawGraphics();}
+	void on_treeGraphics_itemDoubleClicked(QTreeWidgetItem * item, int column);
+	void on_buttonVarAdd_clicked();
+	void on_buttonVarDel_clicked();
+	void on_buttonVarClear_clicked() {treeVariables->clear(); buttonVarClear->setEnabled(false);}
+	void on_buttonGraphicAdd_clicked();
+	void on_buttonGraphicDel_clicked();
+	void on_buttonGraphicClear_clicked();
+	void on_tabWidget_currentChanged(int index);
+	void on_graphic_visualRectChanged() {redrawGraphics();}
+
+};
+
+#endif // MAINWINDOW_H