Implemented basic grid rendering of task strips

.gitignore

@@ -1,52 +1,73 @@
-# C++ objects and libs
-*.slo
-*.lo
-*.o
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
 *.a
-*.la
-*.lai
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
 *.so
 *.so.*
-*.dll
-*.dylib
-
-# Qt-es
-object_script.*.Release
-object_script.*.Debug
-*_plugin_import.cpp
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
 /.qmake.cache
 /.qmake.stash
-*.pro.user
-*.pro.user.*
-*.qbs.user
-*.qbs.user.*
-*.moc
-moc_*.cpp
-moc_*.h
-qrc_*.cpp
-ui_*.h
-*.qmlc
-*.jsc
-Makefile*
-*build-*
-*.qm
-*.prl
 
-# Qt unit tests
-target_wrapper.*
+# qtcreator generated files
+*.pro.user*
 
-# QtCreator
-*.autosave
+# xemacs temporary files
+*.flc
 
-# QtCreator Qml
-*.qmlproject.user
-*.qmlproject.user.*
+# Vim temporary files
+.*.swp
 
-# QtCreator CMake
-CMakeLists.txt.user*
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
 
-# QtCreator 4.8< compilation database 
-compile_commands.json
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
 
-# QtCreator local machine specific files for imported projects
-*creator.user*

SprintPlanningTool.pro

@@ -0,0 +1,21 @@
+QT = core gui widgets
+
+CONFIG += c++17
+
+DEFINES += QT_DEPRECATED_WARNINGS QT_DISABLE_DEPRECATED_BEFORE=0x060000
+
+SOURCES += main.cpp \
+    flowlayout.cpp \
+    mainwindow.cpp \
+    stripsgrid.cpp \
+    stripwidget.cpp
+
+FORMS += \
+    mainwindow.ui \
+    stripwidget.ui
+
+HEADERS += \
+    flowlayout.h \
+    mainwindow.h \
+    stripsgrid.h \
+    stripwidget.h

flowlayout.cpp

@@ -0,0 +1,150 @@
+#include "flowlayout.h"
+
+#include <QWidget>
+
+FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
+    : QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
+{
+    setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)
+    : m_hSpace(hSpacing), m_vSpace(vSpacing)
+{
+    setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::~FlowLayout()
+{
+    QLayoutItem *item;
+    while ((item = takeAt(0)))
+        delete item;
+}
+
+void FlowLayout::addItem(QLayoutItem *item)
+{
+    itemList.append(item);
+}
+
+int FlowLayout::horizontalSpacing() const
+{
+    if (m_hSpace >= 0) {
+        return m_hSpace;
+    } else {
+        return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
+    }
+}
+
+int FlowLayout::verticalSpacing() const
+{
+    if (m_vSpace >= 0) {
+        return m_vSpace;
+    } else {
+        return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
+    }
+}
+
+int FlowLayout::count() const
+{
+    return itemList.size();
+}
+
+QLayoutItem *FlowLayout::itemAt(int index) const
+{
+    return itemList.value(index);
+}
+
+QLayoutItem *FlowLayout::takeAt(int index)
+{
+    if (index >= 0 && index < itemList.size())
+        return itemList.takeAt(index);
+    return nullptr;
+}
+
+Qt::Orientations FlowLayout::expandingDirections() const
+{
+    return 0;
+}
+
+bool FlowLayout::hasHeightForWidth() const
+{
+    return true;
+}
+
+int FlowLayout::heightForWidth(int width) const
+{
+    int height = doLayout(QRect(0, 0, width, 0), true);
+    return height;
+}
+
+void FlowLayout::setGeometry(const QRect &rect)
+{
+    QLayout::setGeometry(rect);
+    doLayout(rect, false);
+}
+
+QSize FlowLayout::sizeHint() const
+{
+    return minimumSize();
+}
+
+QSize FlowLayout::minimumSize() const
+{
+    QSize size;
+    for (const QLayoutItem *item : qAsConst(itemList))
+        size = size.expandedTo(item->minimumSize());
+
+    const QMargins margins = contentsMargins();
+    size += QSize(margins.left() + margins.right(), margins.top() + margins.bottom());
+    return size;
+}
+
+int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
+{
+    int left, top, right, bottom;
+    getContentsMargins(&left, &top, &right, &bottom);
+    QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
+    int x = effectiveRect.x();
+    int y = effectiveRect.y();
+    int lineHeight = 0;
+
+    for (QLayoutItem *item : qAsConst(itemList)) {
+        const QWidget *wid = item->widget();
+        int spaceX = horizontalSpacing();
+        if (spaceX == -1)
+            spaceX = wid->style()->layoutSpacing(
+                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
+        int spaceY = verticalSpacing();
+        if (spaceY == -1)
+            spaceY = wid->style()->layoutSpacing(
+                QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
+
+        int nextX = x + item->sizeHint().width() + spaceX;
+        if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
+            x = effectiveRect.x();
+            y = y + lineHeight + spaceY;
+            nextX = x + item->sizeHint().width() + spaceX;
+            lineHeight = 0;
+        }
+
+        if (!testOnly)
+            item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
+
+        x = nextX;
+        lineHeight = qMax(lineHeight, item->sizeHint().height());
+    }
+    return y + lineHeight - rect.y() + bottom;
+}
+
+int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
+{
+    QObject *parent = this->parent();
+    if (!parent) {
+        return -1;
+    } else if (parent->isWidgetType()) {
+        QWidget *pw = static_cast<QWidget *>(parent);
+        return pw->style()->pixelMetric(pm, nullptr, pw);
+    } else {
+        return static_cast<QLayout *>(parent)->spacing();
+    }
+}

flowlayout.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <QLayout>
+#include <QRect>
+#include <QStyle>
+
+class FlowLayout : public QLayout
+{
+public:
+    explicit FlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
+    explicit FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
+    ~FlowLayout();
+
+    void addItem(QLayoutItem *item) override;
+    int horizontalSpacing() const;
+    int verticalSpacing() const;
+    Qt::Orientations expandingDirections() const override;
+    bool hasHeightForWidth() const override;
+    int heightForWidth(int) const override;
+    int count() const override;
+    QLayoutItem *itemAt(int index) const override;
+    QSize minimumSize() const override;
+    void setGeometry(const QRect &rect) override;
+    QSize sizeHint() const override;
+    QLayoutItem *takeAt(int index) override;
+
+private:
+    int doLayout(const QRect &rect, bool testOnly) const;
+    int smartSpacing(QStyle::PixelMetric pm) const;
+
+    QList<QLayoutItem *> itemList;
+    int m_hSpace;
+    int m_vSpace;
+};

main.cpp

@@ -0,0 +1,14 @@
+#include <QApplication>
+
+#include "mainwindow.h"
+#include "stripwidget.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+
+    MainWindow mainWindow;
+    mainWindow.show();
+
+    return a.exec();
+}

mainwindow.cpp

@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow{parent},
+    m_ui{std::make_unique<Ui::MainWindow>()}
+{
+    m_ui->setupUi(this);
+}
+
+MainWindow::~MainWindow() = default;

mainwindow.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <QMainWindow>
+
+#include <memory>
+
+namespace Ui { class MainWindow; }
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow() override;
+
+private:
+    std::unique_ptr<Ui::MainWindow> m_ui;
+};

mainwindow.ui

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QScrollArea" name="scrollArea">
+   <property name="widgetResizable">
+    <bool>true</bool>
+   </property>
+   <widget class="StripsGrid" name="stripsGrid">
+    <property name="geometry">
+     <rect>
+      <x>0</x>
+      <y>0</y>
+      <width>798</width>
+      <height>558</height>
+     </rect>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>18</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menu_File">
+    <property name="title">
+     <string>&amp;File</string>
+    </property>
+    <addaction name="action_Quit"/>
+   </widget>
+   <addaction name="menu_File"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+  <action name="action_Quit">
+   <property name="text">
+    <string>&amp;Quit</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>StripsGrid</class>
+   <extends>QWidget</extends>
+   <header>stripsgrid.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>action_Quit</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>399</x>
+     <y>299</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

stripsgrid.cpp

@@ -0,0 +1,187 @@
+#include "stripsgrid.h"
+
+#include <QDebug>
+#include <QGridLayout>
+#include <QMouseEvent>
+#include <QGraphicsOpacityEffect>
+#include <QLabel>
+#include <QSpacerItem>
+#include <QRandomGenerator>
+#include <QDateTime>
+
+#include "stripwidget.h"
+#include "flowlayout.h"
+
+namespace {
+QDebug &operator<<(QDebug &debug, const QMouseEvent &event)
+{
+    return debug << "QMouseEvent(" << event.pos() << event.source() << event.flags() << ")";
+}
+
+template<typename T>
+void call_n_times(int count, T func)
+{
+    for (int i = 0; i < count; i++)
+        func();
+}
+}
+
+StripsGrid::StripsGrid(QWidget *parent) :
+    QWidget{parent}
+{
+    m_layout = new QGridLayout{this};
+
+    QRandomGenerator random((qint32)(QDateTime::currentMSecsSinceEpoch()));
+
+    const auto stories = random.bounded(3, 10);
+
+    int row{0};
+    {
+        int column{0};
+        for (const auto text : {"Story", "To Do:", "In Progress:", "In Review:", "Done:"})
+        {
+            auto label = new QLabel{text};
+            {
+                auto font = label->font();
+                font.setPointSize(24);
+                label->setFont(font);
+            }
+            label->setFixedHeight(40);
+            m_layout->addWidget(label, row, column++);
+
+            {
+                auto line = new QFrame;
+                line->setFrameShape(QFrame::VLine);
+                line->setFrameShadow(QFrame::Sunken);
+                m_layout->addWidget(line, row, column++, (stories*2)+1, 1);
+            }
+        }
+    }
+
+    row++;
+
+    call_n_times(stories, [&]()
+    {
+        {
+            auto line = new QFrame;
+            line->setFrameShape(QFrame::HLine);
+            line->setFrameShadow(QFrame::Sunken);
+            m_layout->addWidget(line, row, 0, 1, 9);
+        }
+
+        row++;
+
+        int storyPoints{0};
+
+        auto storyWidget = new StripWidget;
+        storyWidget->setTitle(QString("ATC-%0").arg(random.bounded(1000, 5000)));
+        storyWidget->setStyleSheet("StripWidget { background-color: #AFA; }");
+
+        for (int column = 0; column < 5; column++)
+        {
+            if (column == 0)
+            {
+                auto layout = new QVBoxLayout;
+                layout->addSpacing(0);
+                layout->addWidget(storyWidget);
+                layout->addStretch(1);
+                m_layout->addLayout(layout, row, column*2);
+            }
+            else
+            {
+                int count = random.bounded(0, 5);
+                if (!count)
+                    continue;
+
+                auto layout = new FlowLayout;
+
+                call_n_times(count, [&]()
+                {
+                    auto widget = new StripWidget;
+                    widget->setTitle(QString("ATC-%0").arg(random.bounded(1000, 5000)));
+                    {
+                        const auto points = std::array<int, 5>{1,3,5,8,13}[random.bounded(5)];
+                        widget->setPoints(points);
+                        storyPoints += points;
+                    }
+                    widget->setOwner(std::array<const char *, 5>{"DB", "KW", "BK", "MS", "AS"}[random.bounded(5)]);
+                    widget->setStyleSheet("StripWidget { background-color: #FCC; }");
+                    layout->addWidget(widget);
+                });
+
+                m_layout->addLayout(layout, row, column*2);
+            }
+        }
+
+        storyWidget->setPoints(storyPoints);
+
+        row++;
+    });
+
+    m_layout->addItem(new QSpacerItem{0, 40, QSizePolicy::Minimum, QSizePolicy::Expanding}, ++row, 0, 1, 5);
+
+    m_widget = new StripWidget{this};
+    m_widget->setStyleSheet("StripWidget { background-color: #88FFFF; }");
+    m_widget->move(100, 100);
+
+//    auto widget = new QWidget;
+//    setCentralWidget(widget);
+
+//    m_layout = new QGridLayout{widget};
+//    const auto addColumn = [&](const QString &name)
+//    {
+//        auto label = new QLabel{name};
+//        {
+//            auto font = label->font();
+//            font.setPointSize(30);
+//            label->setFont(font);
+//        }
+//        m_layout->addWidget(label, 0, m_layout->columnCount());
+//    };
+//    addColumn("To Do");
+//    addColumn("In Progress");
+//    addColumn("In Review");
+//    addColumn("Done");
+
+//    m_layout->addWidget(new QWidget, 1, 0);
+}
+
+void StripsGrid::mousePressEvent(QMouseEvent *event)
+{
+    qDebug() << "mousePressEvent" << *event;
+
+    if (event->button() == Qt::LeftButton &&
+        !m_isDragging &&
+        m_widget->startDragging(event->pos() - m_widget->pos()))
+    {
+        m_widget->setGraphicsEffect(new QGraphicsOpacityEffect);
+        m_isDragging = true;
+        m_dragOffset = event->pos() - m_widget->pos();
+    }
+
+    QWidget::mousePressEvent(event);
+}
+
+void StripsGrid::mouseReleaseEvent(QMouseEvent *event)
+{
+    qDebug() << "mouseReleaseEvent" << *event;
+
+    if (event->button() == Qt::LeftButton &&
+        m_isDragging)
+    {
+        m_widget->setGraphicsEffect(nullptr);
+        m_isDragging = false;
+    }
+
+    QWidget::mouseReleaseEvent(event);
+}
+
+void StripsGrid::mouseMoveEvent(QMouseEvent *event)
+{
+    qDebug() << "mouseMoveEvent" << *event;
+
+    if (m_isDragging)
+        m_widget->move(event->pos() - m_dragOffset);
+
+    QWidget::mouseMoveEvent(event);
+}

stripsgrid.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <QWidget>
+
+class QGridLayout;
+
+class StripWidget;
+
+class StripsGrid : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit StripsGrid(QWidget *parent = nullptr);
+
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
+
+private:
+    QGridLayout *m_layout;
+
+    bool m_isDragging{false};
+    QPoint m_dragOffset;
+    StripWidget *m_widget;
+};

stripwidget.cpp

@@ -0,0 +1,40 @@
+#include "stripwidget.h"
+#include "ui_stripwidget.h"
+
+StripWidget::StripWidget(QWidget *parent) :
+    QFrame{parent},
+    m_ui{std::make_unique<Ui::StripWidget>()}
+{
+    m_ui->setupUi(this);
+
+    setMinimumSize(size());
+    setMaximumSize(size());
+    setFixedSize(size());
+}
+
+StripWidget::~StripWidget() = default;
+
+bool StripWidget::startDragging(const QPoint &pos) const
+{
+    return m_ui->title->geometry().contains(pos);
+}
+
+void StripWidget::setTitle(const QString &title)
+{
+    m_ui->title->setText(title);
+}
+
+void StripWidget::setDescription(const QString &description)
+{
+    m_ui->description->setText(description);
+}
+
+void StripWidget::setPoints(int points)
+{
+    m_ui->points->setText(QString::number(points));
+}
+
+void StripWidget::setOwner(const QString &owner)
+{
+    m_ui->owner->setText(owner);
+}

stripwidget.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QFrame>
+
+#include <memory>
+
+namespace Ui { class StripWidget; }
+
+class StripWidget : public QFrame
+{
+    Q_OBJECT
+
+public:
+    explicit StripWidget(QWidget *parent = nullptr);
+    ~StripWidget() override;
+
+    bool startDragging(const QPoint &pos) const;
+
+    void setTitle(const QString &title);
+    void setDescription(const QString &description);
+    void setPoints(int points);
+    void setOwner(const QString &owner);
+
+private:
+    std::unique_ptr<Ui::StripWidget> m_ui;
+};

stripwidget.ui

@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>StripWidget</class>
+ <widget class="QFrame" name="StripWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>195</width>
+    <height>105</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <property name="frameShape">
+   <enum>QFrame::Panel</enum>
+  </property>
+  <property name="frameShadow">
+   <enum>QFrame::Raised</enum>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,1,0">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="title">
+       <property name="font">
+        <font>
+         <pointsize>15</pointsize>
+        </font>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Panel</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Sunken</enum>
+       </property>
+       <property name="text">
+        <string notr="true">ATC-1234</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="description">
+     <property name="text">
+      <string notr="true">Refactor once again everything</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="points">
+       <property name="font">
+        <font>
+         <pointsize>12</pointsize>
+        </font>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Panel</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Sunken</enum>
+       </property>
+       <property name="text">
+        <string>TextLabel</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="owner">
+       <property name="font">
+        <font>
+         <pointsize>12</pointsize>
+        </font>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Panel</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Sunken</enum>
+       </property>
+       <property name="text">
+        <string>TextLabel</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>