1 files changed, 264 insertions, 0 deletions
diff --git a/SQLiteStudio3/guiSQLiteStudio/mdiarea.cpp b/SQLiteStudio3/guiSQLiteStudio/mdiarea.cpp
new file mode 100644
index 0000000..d53874c
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/mdiarea.cpp
@@ -0,0 +1,264 @@
+#include "mdiarea.h"
+#include "mainwindow.h"
+#include "iconmanager.h"
+#include "mdichild.h"
+#include "mdiwindow.h"
+#include "taskbar.h"
+#include <QMdiSubWindow>
+#include <QAction>
+#include <QActionGroup>
+#include <QDebug>
+
+MdiArea::MdiArea(QWidget *parent) :
+    QMdiArea(parent)
+{
+}
+
+MdiWindow *MdiArea::addSubWindow(MdiChild *mdiChild)
+{
+    MdiWindow* mdiWin = new MdiWindow(mdiChild, this);
+    QMdiArea::addSubWindow(mdiWin);
+    mdiWin->show();
+
+    if (taskBar)
+    {
+        QAction* action = taskBar->addTask(mdiWin->windowIcon(), mdiWin->windowTitle());
+        action->setCheckable(true);
+        action->setChecked(true);
+        actionToWinMap[action] = mdiWin;
+        winToActionMap[mdiWin] = action;
+
+        connect(action, &QAction::triggered, this, &MdiArea::taskActivated);
+        connect(mdiWin, &QMdiSubWindow::aboutToActivate, this, &MdiArea::windowActivated);
+    }
+
+    if (!mdiChild->handleInitialFocus())
+        mdiChild->setFocus();
+
+    emit windowListChanged();
+    return mdiWin;
+}
+
+MdiWindow *MdiArea::getActiveWindow()
+{
+    return dynamic_cast<MdiWindow*>(activeSubWindow());
+}
+
+void MdiArea::setTaskBar(TaskBar* value)
+{
+    taskBar = value;
+}
+
+TaskBar* MdiArea::getTaskBar() const
+{
+    return taskBar;
+}
+
+QAction* MdiArea::getTaskByWindow(MdiWindow* window)
+{
+    if (winToActionMap.contains(window))
+        return winToActionMap[window];
+
+    return nullptr;
+}
+
+QList<MdiWindow*> MdiArea::getWindows() const
+{
+    QList<MdiWindow*> windowList;
+    foreach(QAction* action, taskBar->getTasks())
+        windowList << actionToWinMap[action];
+
+    return windowList;
+}
+
+QList<MdiChild*> MdiArea::getMdiChilds() const
+{
+    QList<MdiChild*> childs;
+    for (MdiWindow* win : getWindows())
+        childs << win->getMdiChild();
+
+    return childs;
+}
+
+QList<MdiWindow*> MdiArea::getWindowsToTile() const
+{
+    QList<MdiWindow*> list;
+    foreach (MdiWindow *window, getWindows())
+    {
+        if (window->isMinimized())
+            continue;
+
+        list << window;
+    }
+    return list;
+}
+
+void MdiArea::taskActivated()
+{
+    QAction* action = dynamic_cast<QAction*>(sender());
+    if (!action)
+    {
+        qWarning() << "MdiArea::taskActivated() slot called by sender that is not QAction.";
+        return;
+    }
+
+    setActiveSubWindow(actionToWinMap[action]);
+}
+
+void MdiArea::windowDestroyed(MdiWindow* window)
+{
+    if (!taskBar)
+        return;
+
+    QAction* action = winToActionMap[window];
+    winToActionMap.remove(window);
+    actionToWinMap.remove(action);
+    taskBar->removeTask(action);
+    delete action;
+
+    emit windowListChanged();
+}
+
+void MdiArea::windowActivated()
+{
+    if (!taskBar)
+        return;
+
+    MdiWindow* subWin = dynamic_cast<MdiWindow*>(sender());
+    if (!subWin)
+    {
+        qWarning() << "MdiArea::windowActivated() slot called by sender that is not QMdiSubWindow.";
+        return;
+    }
+
+    QAction* action = winToActionMap[subWin];
+    action->setChecked(true);
+}
+
+void MdiArea::tileHorizontally()
+{
+    if (taskBar->isEmpty())
+        return;
+
+    bool gotFocus = false;
+    QPoint position(0, 0);
+    QList<MdiWindow*> windowsToTile = getWindowsToTile();
+    int winCnt = windowsToTile.count();
+    foreach (MdiWindow *window, windowsToTile)
+    {
+        if (window->isMaximized())
+            window->showNormal();
+
+        QRect rect(0, 0, width() / winCnt, height());
+        window->setGeometry(rect);
+        window->move(position);
+        position.setX(position.x() + window->width());
+
+        if (window->hasFocus())
+            gotFocus = true;
+    }
+
+    if (!gotFocus && windowsToTile.size() > 0)
+        windowsToTile.first()->setFocus();
+}
+
+void MdiArea::tileVertically()
+{
+    if (taskBar->isEmpty())
+        return;
+
+    bool gotFocus = false;
+    QPoint position(0, 0);
+    QList<MdiWindow*> windowsToTile = getWindowsToTile();
+    int winCnt = windowsToTile.count();
+    foreach (MdiWindow *window, windowsToTile)
+    {
+        if (window->isMaximized())
+            window->showNormal();
+
+        QRect rect(0, 0, width(), height() / winCnt);
+        window->setGeometry(rect);
+        window->move(position);
+        position.setY(position.y() + window->height());
+
+        if (window->hasFocus())
+            gotFocus = true;
+    }
+
+    if (!gotFocus && windowsToTile.size() > 0)
+        windowsToTile.first()->setFocus();
+}
+
+void MdiArea::closeAllButActive()
+{
+    QList<QMdiSubWindow*> allButActive = subWindowList();
+    allButActive.removeOne(activeSubWindow());
+
+    foreach (QMdiSubWindow *window, allButActive)
+        window->close();
+}
+
+MdiWindow* MdiArea::getWindowByChild(MdiChild *child)
+{
+    if (!child)
+        return nullptr;
+
+    foreach (QMdiSubWindow *window, subWindowList())
+        if (window->widget() == child)
+            return dynamic_cast<MdiWindow*>(window);
+
+    return nullptr;
+}
+
+MdiWindow* MdiArea::getCurrentWindow()
+{
+    QMdiSubWindow* subWin = activeSubWindow();
+    return dynamic_cast<MdiWindow*>(subWin);
+}
+
+bool MdiArea::isActiveSubWindow(MdiWindow *window)
+{
+    if (!window)
+        return false;
+
+    QMdiSubWindow* subWin = currentSubWindow();
+    if (!subWin)
+        return false;
+
+    return window == subWin;
+}
+
+bool MdiArea::isActiveSubWindow(MdiChild *child)
+{
+    if (!child)
+        return false;
+
+    QMdiSubWindow* subWin = currentSubWindow();
+    if (!subWin)
+        return false;
+
+    return child == subWin->widget();
+}
+
+QStringList MdiArea::getWindowTitles()
+{
+    QStringList titles;
+    foreach (QMdiSubWindow *subWin, subWindowList())
+        titles << subWin->windowTitle();
+
+    return titles;
+}
+
+MdiWindow *MdiArea::getWindowByTitle(const QString &title)
+{
+    foreach (QMdiSubWindow *subWin, subWindowList())
+    {
+        QString t = subWin->windowTitle();
+        if (subWin->windowTitle() == title)
+        {
+            return dynamic_cast<MdiWindow*>(subWin);
+        }
+    }
+
+    return nullptr;
+}