984 lines
30 KiB
C++
984 lines
30 KiB
C++
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// TnzQt includes
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#include "toonzqt/menubarcommand.h"
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#include "docklayout.h"
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// Qt includes
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#include <QEvent>
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#include <QMouseEvent>
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#include <QApplication>
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#include <QDesktopWidget>
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// STD includes
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#include <assert.h>
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#include <math.h>
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#include <algorithm>
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//========================================================
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//-----------------------
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// Dock Lock Check
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//-----------------------
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DockingCheck *DockingCheck::instance() {
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static DockingCheck _instance;
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return &_instance;
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}
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//-------------------------------------
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void DockingCheck::setToggle(QAction *toggle) { m_toggle = toggle; }
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//-------------------------------------
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void DockingCheck::setIsEnabled(bool on) {
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m_enabled = on;
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if (m_toggle) m_toggle->setChecked(on);
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}
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//========================================================
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class DockingToggleCommand final : public MenuItemHandler {
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public:
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DockingToggleCommand() : MenuItemHandler("MI_DockingCheck") {}
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void execute() override {
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DockingCheck *dc = DockingCheck::instance();
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dc->setIsEnabled(!dc->isEnabled());
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}
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} dockingToggleCommand;
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//========================================================
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//------------------------
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// Geometry inlines
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//------------------------
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//! Calculates infinite-norm distance between points \b a and \b b.
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inline int absoluteDistance(const QPoint &a, const QPoint &b) {
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return std::max(abs(a.x() - b.x()), abs(a.y() - b.y()));
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}
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//-------------------------------------
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// Il metodo QRectF::toRect pare che faccia la cosa commentata. Ovviamente non
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// e' la cosa piu' simpatica - considera
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// che in questo modo i bordi del rect di input *non vengono approssimati alle
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// piu' vicine coordinate intere*!
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// es: topLeft= (1/3, 1/3); width= 4/3, height= 4/3 => left= top= right=
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// bottom= 0.
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inline QRect toRect(const QRectF &rect) {
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// return QRect(qRound(rect.left()), qRound(rect.top()), qRound(rect.width()),
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// qRound(rect.height()));
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return QRect(rect.topLeft().toPoint(),
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rect.bottomRight().toPoint() -= QPoint(1, 1));
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}
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//========================================================
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// Forward declaration
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namespace {
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QDesktopWidget *desktop;
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void getClosestAvailableMousePosition(QPoint &globalPos);
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}
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//========================================================
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//----------------------
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// Layout inlines
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//----------------------
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inline void DockLayout::update() {
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// E' necessario?
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applyGeometry();
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}
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//========================================================
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//------------------------------
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// My Dock Widget Methods
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//------------------------------
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//! Constructs a dock Widget; every newly constructed dock widget is floating
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//! (i.e. not docked
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//! into the layout).
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DockWidget::DockWidget(QWidget *parent, Qt::WindowFlags flags)
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: QFrame(parent, flags)
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, m_dragging(false)
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, m_resizing(false)
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, m_floating(true)
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, m_undocking(false)
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, m_parentLayout(0)
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, m_selectedPlace(0)
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, m_maximized(0) {
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// Don't let this widget inherit the parent's backround color
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// setAutoFillBackground(true);
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// setBackgroundRole(QPalette::Background);
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// setAttribute(Qt::WA_DeleteOnClose); //Since Toonz just hides panels...
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setAttribute(Qt::WA_Hover);
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// Set default minimum and maximum sizes.
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setMinimumSize(QSize(50, 50));
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setMaximumSize(QSize(10000, 10000));
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m_decoAllocator = new DockDecoAllocator;
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// Make sure the desktop is initialized and known
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desktop = qApp->desktop();
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}
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//-------------------------------------
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DockWidget::~DockWidget() {
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// Since close button lies on the title bar, make sure mouse is released if
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// that is pressed.
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if (QWidget::mouseGrabber() == this) releaseMouse();
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clearDockPlaceholders();
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// Delete deco allocator
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delete m_decoAllocator;
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}
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//-------------------------------------
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//! Clears dock placeholders for this dockwidget. This is automatically called
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//! at drag ends.
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void DockWidget::clearDockPlaceholders() {
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unsigned int i;
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for (i = 0; i < m_placeholders.size(); ++i) delete m_placeholders[i];
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m_placeholders.clear();
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}
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//-------------------------------------
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//! Shows dock widget in docked mode.
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//! Returns true or false whether input \b QPoint is inside the dragging grip
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//! for \b this DockWidget, or not.
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//! Typically (and by default), true is returned whenever p lies inside the
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//! widget's title bar when floating;
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//! however, you are free to place the drag grip anywhere reimplementing this
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//! method in custom dockwidgets.
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bool DockWidget::isDragGrip(QPoint p) {
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if (isFloating()) {
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QRect frame = frameGeometry();
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QRect conts = geometry();
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int margin = conts.left() - frame.left();
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int titleBarHeight = conts.top() - frame.top();
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QRect titleArea(QPoint(0, margin - titleBarHeight),
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QPoint(width() - 1, -1));
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return titleArea.contains(p);
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}
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return 0;
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}
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//-------------------------------------
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bool DockWidget::event(QEvent *e) {
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// qDebug("Dock Widget - Event type: %d", e->type());
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// Little deviation or type specifications for received events
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switch (e->type()) {
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// Dock widgets are hover widgets - since their cursor may change on resize
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// grips.
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case QEvent::HoverMove:
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hoverMoveEvent(static_cast<QHoverEvent *>(e));
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return true;
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// Native titlebar press events must be redirected to common ones
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// - and, in this case mouse has to grabbed
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case QEvent::NonClientAreaMouseButtonPress:
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// grabMouse(); //Cannot not go here or resizes cannot be natively handled
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mousePressEvent(static_cast<QMouseEvent *>(e));
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return true;
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// Titlebars are not natively handled in this raw class - their responsibility
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// falls
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// to user implementation of DockWidget class
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case QEvent::WindowTitleChange:
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windowTitleEvent(e);
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return true;
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default:
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return QWidget::event(e);
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}
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}
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//-------------------------------------
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//! Adjusts widget cursor depending on \b isResizeGrip()
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// NOTA: Da migliorare: ricordare il cursor settato o se era unset e riapplicare
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// quando fuori dal resize grip.
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void DockWidget::hoverMoveEvent(QHoverEvent *he) {
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if (m_floating && !m_resizing && !m_undocking) {
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QCursor newCursor = Qt::ArrowCursor;
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if ((m_marginType = isResizeGrip(he->pos()))) {
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// Hovering a margin - update cursor shape
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if (m_marginType & leftMargin) {
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if (m_marginType & topMargin)
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newCursor = Qt::SizeFDiagCursor;
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else if (m_marginType & bottomMargin)
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newCursor = Qt::SizeBDiagCursor;
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else
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newCursor = Qt::SizeHorCursor;
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} else if (m_marginType & rightMargin) {
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if (m_marginType & topMargin)
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newCursor = Qt::SizeBDiagCursor;
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else if (m_marginType & bottomMargin)
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newCursor = Qt::SizeFDiagCursor;
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else
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newCursor = Qt::SizeHorCursor;
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} else
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newCursor = Qt::SizeVerCursor;
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}
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if (newCursor.shape() != cursor().shape()) setCursor(newCursor);
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}
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}
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//-------------------------------------
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//! Dispatches mouse presses for particular purposes...
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//! a) Trigger a window resize (or none with native deco)
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//! if press is over a resize grip
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//! b) Trigger a window drag if press is over a drag grip
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void DockWidget::mousePressEvent(QMouseEvent *me) {
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if ((m_marginType = m_floating ? isResizeGrip(me->pos()) : 0)) {
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// Resize begins
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// NOTE: It is better to assume that resize grips dominate over drag grips:
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// this ensures
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// that mouse cursor changes are always consistent with resize events.
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m_resizing = true;
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m_dragMouseInitialPos = me->globalPos(); // Re-used as old position
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} else if (isDragGrip(me->pos())) {
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// Dragging begins
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DockingCheck *lock = DockingCheck::instance(); // Docking system lock
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m_dragMouseInitialPos = me->globalPos();
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m_dragInitialPos = pos();
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// Grab mouse inputs - useful if widget gets under placeholders
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if (me->type() == QEvent::NonClientAreaMouseButtonPress)
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// If can receive double-clicks, avoid grabbing mouse
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grabMouse();
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if (m_floating) {
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m_dragging = true;
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// Do not allow docking if there is a maximized widget or the layout is
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// locked
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if (m_parentLayout && !m_parentLayout->getMaximized() &&
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!lock->isEnabled())
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m_parentLayout->calculateDockPlaceholders(this);
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} else {
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if (!lock->isEnabled()) m_undocking = true;
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m_dragInitialPos = parentWidget()->mapToGlobal(m_dragInitialPos);
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}
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}
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}
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//-------------------------------------
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void DockWidget::mouseMoveEvent(QMouseEvent *me) {
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QPoint correctedGlobalPos(me->globalPos());
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getClosestAvailableMousePosition(correctedGlobalPos);
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if (m_resizing) {
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// m_dragMouseInitialPos re-used as old position
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int dx = correctedGlobalPos.x() - m_dragMouseInitialPos.x();
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int dy = correctedGlobalPos.y() - m_dragMouseInitialPos.y();
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QRect geom = geometry();
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if (m_marginType & leftMargin) {
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int newWidth = geom.width() - dx;
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if (newWidth >= minimumWidth() && newWidth <= maximumWidth())
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geom.setLeft(geom.left() + dx);
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} else if (m_marginType & rightMargin)
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geom.setRight(geom.right() + dx);
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if (m_marginType & topMargin) {
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int newHeight = geom.height() - dy;
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if (newHeight >= minimumHeight() && newHeight <= maximumHeight())
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geom.setTop(geom.top() + dy);
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} else if (m_marginType & bottomMargin)
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geom.setBottom(geom.bottom() + dy);
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setGeometry(geom);
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m_dragMouseInitialPos = correctedGlobalPos;
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} else if (m_dragging) {
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move(m_dragInitialPos + correctedGlobalPos - m_dragMouseInitialPos);
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selectDockPlaceholder(me);
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} else if (m_undocking) {
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int distance = absoluteDistance(me->globalPos(), m_dragMouseInitialPos);
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if (distance > 8) {
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m_undocking = false;
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// Attempt undocking
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if (m_parentLayout->undockItem(this)) {
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m_dragging = true;
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// Then, move dock widget under cursor, as if drag actually begun at
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// button press.
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move(m_dragInitialPos + correctedGlobalPos - m_dragMouseInitialPos);
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show(); // Dock widget is not automatically shown after undock.
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// Re-grab mouse inputs. Seems that making the window float (i.e.:
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// reparenting) breaks old grab.
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// NOTE: mouse *must* be grabbed only when visible - see Qt manual.
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grabMouse();
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// After undocking takes place, docking possibilities have to be
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// recalculated
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m_parentLayout->calculateDockPlaceholders(this);
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selectDockPlaceholder(me);
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}
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}
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}
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}
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//-------------------------------------
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void DockWidget::mouseReleaseEvent(QMouseEvent *me) {
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// Ensure mouse is released
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releaseMouse();
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if (m_dragging) {
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m_dragging = false;
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if (m_floating && m_selectedPlace) {
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m_parentLayout->dockItem(this, m_selectedPlace);
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} else {
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// qDebug("Dock failed");
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}
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// Clear dock placeholders
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clearDockPlaceholders();
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m_selectedPlace = 0;
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} else if (m_undocking) {
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// qDebug("Undock failed");
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m_undocking = false;
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} else if (m_resizing) {
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m_resizing = false;
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}
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}
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//-------------------------------------
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//! DockWidgets respond to title bar double clicks maximizing the widget in
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//! layout's contents rect.
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void DockWidget::mouseDoubleClickEvent(QMouseEvent *me) {
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if (!m_floating && isDragGrip(me->pos())) {
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parentLayout()->setMaximized(this, !m_maximized);
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}
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}
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//-------------------------------------
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void DockWidget::maximizeDock() {
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if (!m_floating) {
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parentLayout()->setMaximized(this, !m_maximized);
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}
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}
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//-------------------------------------
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//! Switch in selected dock placeholder's hierarchy.
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void DockWidget::wheelEvent(QWheelEvent *we) {
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if (m_dragging) {
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if (m_selectedPlace) {
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DockPlaceholder *newSelected =
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(we->delta() > 0)
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? m_selectedPlace->parentPlaceholder()
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: m_selectedPlace->childPlaceholder(
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parentWidget()->mapFromGlobal(we->globalPos()));
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if (newSelected != m_selectedPlace) {
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m_selectedPlace->hide();
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newSelected->show();
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m_selectedPlace = newSelected;
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}
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}
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}
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}
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//-------------------------------------
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//! Returns widget (separator or docked widget) containing input \point, or 0 if
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//! none.
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//! Convenience function combining parentLayout() and containerOf(\b point).
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//!\b NOTE: Observe that, in any case, the use of QEnterEvents is discouraged
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//! for this purpose:
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//! remember that we forcedly remain within its boundaries when dragging a dock
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//! widget;
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//! instead, we are rather interested about entering the dock widgets *below*.
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QWidget *DockWidget::hoveredWidget(QMouseEvent *me) {
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if (!m_parentLayout) return 0;
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QPoint point = parentWidget()->mapFromGlobal(me->globalPos());
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return m_parentLayout->containerOf(point);
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}
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//-------------------------------------
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//! Returns adjacent placeholders to hovered widget. If hovered is a separator,
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//! just return associated placeholder.
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DockPlaceholder *DockWidget::placeAdjacentTo(DockWidget *dockWidget,
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int boundary) {
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Region *r = parentLayout()->find(dockWidget);
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if (((boundary == DockPlaceholder::left ||
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boundary == DockPlaceholder::right) &&
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r->getOrientation() == Region::horizontal) ||
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((boundary == DockPlaceholder::top ||
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boundary == DockPlaceholder::bottom) &&
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r->getOrientation() == Region::vertical)) {
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// Placeholder is coherent with region orientation
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return r->placeholders().size() ? r->placeholder(boundary % 2) : 0;
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} else {
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// Search in parent region
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Region *parent = r->getParent();
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if (parent) {
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unsigned int i = parent->find(r);
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return parent->placeholders().size()
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? parent->placeholder(i + (boundary % 2))
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: 0;
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} else {
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// No parent region - dockWidget is the only widget of the whole layout;
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// Then check the first 2 elements of placeholders vector.
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if (!m_placeholders[boundary % 2]->getParentRegion()) {
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return m_placeholders.size() ? m_placeholders[boundary % 2] : 0;
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}
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}
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}
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return 0;
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}
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//-------------------------------------
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//! Returns placeholder associated with input separator.
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DockPlaceholder *DockWidget::placeOfSeparator(DockSeparator *sep) {
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Region *r = sep->getParentRegion();
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int idx = sep->getIndex();
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return r->placeholders().size() ? r->placeholder(idx + 1) : 0;
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}
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//-------------------------------------
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//! Processes an input mouse event to select the active placeholder among the
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//! possible ones
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//! for \b this dock widget. The selected placeholder is also evidenced with
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//! respect to the
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//! other (or these are kept hidden) according to the body of this function.
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void DockWidget::selectDockPlaceholder(QMouseEvent *me) {
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// const int inf= 1000000;
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DockPlaceholder *selected = 0;
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// Search placeholders cotaining muose position
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unsigned int i;
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for (i = 0; i < m_placeholders.size(); ++i) {
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if (m_placeholders[i]->geometry().contains(me->globalPos())) {
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selected = m_placeholders[i];
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}
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}
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// In order to avoid flickering
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if (m_selectedPlace != selected) {
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if (m_selectedPlace) m_selectedPlace->hide();
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if (selected) selected->show();
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}
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m_selectedPlace = selected;
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}
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//========================================================
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//-------------------------
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// Dock Placeholders
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//-------------------------
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inline QRect DockPlaceholder::parentGeometry() const {
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return m_region ? toRect(m_region->getGeometry())
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: m_owner->parentLayout()->contentsRect();
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}
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//------------------------------------------------------
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//! Assigns the geometry of \b this placeholder.
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//! Once a placeholder is created, in response to a user window drag,
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//! dock placeholders are calculated. After a placeholder is created,
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//! its geometry is built according to this function. It is possible to
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//! reimplement it in order to build custom placeholder styles.
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inline void DockPlaceholder::buildGeometry() {
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QRect relativeToMainRect;
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if (m_separator)
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relativeToMainRect = m_separator->geometry();
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else {
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QRect parentRect = parentGeometry();
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DockLayout *layout = m_owner->parentLayout();
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QRect mainRect = layout->contentsRect();
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int sepWidth = layout->spacing();
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int margin = 6; // layout->margin(); //Purtroppo questa info e' assegnata
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// prima delle Room...
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if (isRoot()) {
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// Set the whole contents rect
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relativeToMainRect = parentRect;
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// Set a square at middle of parent geometry
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// QPoint center= parentRect.center();
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// relativeToMainRect= QRect(center - QPoint(50,50), center +
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// QPoint(50,50));
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} else if (getParentRegion() == 0 ||
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getParentRegion() == layout->rootRegion()) {
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// Outer insertion case
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switch (getAttribute()) {
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int leftBound, upperBound;
|
|
|
|
case left:
|
|
leftBound = parentRect.left() - margin;
|
|
relativeToMainRect =
|
|
QRect(leftBound, parentRect.top(), margin, parentRect.height());
|
|
break;
|
|
case right:
|
|
leftBound = parentRect.right() + 1;
|
|
relativeToMainRect =
|
|
QRect(leftBound, parentRect.top(), margin, parentRect.height());
|
|
break;
|
|
case top:
|
|
upperBound = parentRect.top() - margin;
|
|
relativeToMainRect =
|
|
QRect(parentRect.left(), upperBound, parentRect.width(), margin);
|
|
break;
|
|
default:
|
|
upperBound = parentRect.bottom() + 1;
|
|
relativeToMainRect =
|
|
QRect(parentRect.left(), upperBound, parentRect.width(), margin);
|
|
break;
|
|
}
|
|
} else
|
|
switch (getAttribute()) {
|
|
int leftBound, upperBound;
|
|
|
|
case left:
|
|
leftBound = parentRect.left();
|
|
relativeToMainRect =
|
|
QRect(leftBound, parentRect.top(), sepWidth, parentRect.height());
|
|
break;
|
|
case right:
|
|
leftBound = parentRect.right() - sepWidth + 1;
|
|
relativeToMainRect =
|
|
QRect(leftBound, parentRect.top(), sepWidth, parentRect.height());
|
|
break;
|
|
case top:
|
|
upperBound = parentRect.top();
|
|
relativeToMainRect =
|
|
QRect(parentRect.left(), upperBound, parentRect.width(), sepWidth);
|
|
break;
|
|
default:
|
|
upperBound = parentRect.bottom() - sepWidth + 1;
|
|
relativeToMainRect =
|
|
QRect(parentRect.left(), upperBound, parentRect.width(), sepWidth);
|
|
break;
|
|
}
|
|
}
|
|
|
|
QPoint topLeft =
|
|
m_owner->parentWidget()->mapToGlobal(relativeToMainRect.topLeft());
|
|
QPoint bottomRight =
|
|
m_owner->parentWidget()->mapToGlobal(relativeToMainRect.bottomRight());
|
|
setGeometry(QRect(topLeft, bottomRight));
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
DockPlaceholder::DockPlaceholder(DockWidget *owner, Region *r, int idx,
|
|
int attributes)
|
|
: QWidget(owner)
|
|
, m_owner(owner)
|
|
, m_separator(0)
|
|
, m_region(r)
|
|
, m_idx(idx)
|
|
, m_attributes(attributes) {
|
|
setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
|
|
|
|
// Set separators
|
|
if (r && idx && idx < (int)r->getChildList().size()) {
|
|
m_separator = r->separators()[idx - 1];
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
inline DockSeparator *DockPlaceholder::getSeparator() const {
|
|
return m_separator;
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
//! Find the 'parent' of this placeholder (same side/orientation, on grandParent
|
|
//! region)
|
|
|
|
//! NOTE: If no grandParent exists \b this is the root, which is then returned.
|
|
DockPlaceholder *DockPlaceholder::parentPlaceholder() {
|
|
// Placeholders covering a whole separator or roots have no parent (return
|
|
// itself)
|
|
if (m_attributes == sepHor || m_attributes == sepVert || isRoot())
|
|
return this;
|
|
|
|
// Now, check if owner Region has a parent.
|
|
Region *grandParent;
|
|
if (!m_region || !m_region->getParent()) return this;
|
|
|
|
if ((grandParent = m_region->getParent()->getParent())) {
|
|
// Good, we finally have to search in grandParent's region our direct
|
|
// parent.
|
|
unsigned int idx = grandParent->find(m_region->getParent());
|
|
|
|
// Since placeholders are built ordered, just use the found idx.
|
|
if (m_attributes == left || m_attributes == top)
|
|
return grandParent->placeholders().size() ? grandParent->placeholder(idx)
|
|
: this;
|
|
else
|
|
return grandParent->placeholders().size()
|
|
? grandParent->placeholder(idx + 1)
|
|
: this;
|
|
} else {
|
|
// GrandParent would be a new root. Then, take the first two possible
|
|
// placeholders
|
|
// of the entire dockWidget.
|
|
if (m_owner->m_placeholders.size()) {
|
|
DockPlaceholder *result = m_owner->m_placeholders[m_attributes % 2];
|
|
if (!result->m_region) return result;
|
|
}
|
|
|
|
return this;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
//! The opposite of parentPlaceholder() - but a point belonging to the child
|
|
//! region to be selected is requested as univoque key among all children.
|
|
DockPlaceholder *DockPlaceholder::childPlaceholder(QPoint p) {
|
|
// Ensure this is not a root placeholder
|
|
if (m_attributes == root) return this;
|
|
|
|
// Define children list and ensure it is not void.
|
|
Region *r;
|
|
unsigned int i;
|
|
bool lastExtremity;
|
|
|
|
if (m_region) {
|
|
if (!m_region->getChildList().size()) return this;
|
|
|
|
// Search the subregion containing p
|
|
for (i = 0; i < m_region->getChildList().size(); ++i)
|
|
if (m_region->childRegion(i)->getGeometry().contains(p)) break;
|
|
|
|
if (i == m_region->getChildList().size())
|
|
return this; // No subregion found...
|
|
|
|
lastExtremity = (m_idx > (int)i);
|
|
|
|
// Ensure it has subRegions.
|
|
r = m_region->childRegion(i);
|
|
if (!r->getChildList().size()) return this;
|
|
} else {
|
|
r = m_owner->parentLayout()->rootRegion();
|
|
lastExtremity = m_attributes % 2;
|
|
}
|
|
|
|
// Now, take the 'grandson' region as above.
|
|
for (i = 0; i < r->getChildList().size(); ++i)
|
|
if (r->childRegion(i)->getGeometry().contains(p)) break;
|
|
|
|
if (i == r->getChildList().size()) return this; // No subregion found...
|
|
|
|
r = r->childRegion(i);
|
|
|
|
// Finally, return child placeholder found.
|
|
return r->placeholders().size()
|
|
? lastExtremity ? r->placeholders().back()
|
|
: r->placeholders().front()
|
|
: this;
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
//! Returns greatest placeholder which contains this one.
|
|
inline DockPlaceholder *DockPlaceholder::greatestPlaceholder() {
|
|
DockPlaceholder *old = this, *current = parentPlaceholder();
|
|
|
|
while (current != old) {
|
|
old = current;
|
|
current = old->parentPlaceholder();
|
|
}
|
|
|
|
return current;
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
//! Returns smallest placeholder contained by this one - a point belonging to
|
|
//! the child
|
|
//! region to be selected is requested as univoque key among all children.
|
|
inline DockPlaceholder *DockPlaceholder::smallestPlaceholder(QPoint p) {
|
|
DockPlaceholder *old = this, *current = childPlaceholder(p);
|
|
|
|
while (current != old) {
|
|
old = current;
|
|
current = old->childPlaceholder(p);
|
|
}
|
|
|
|
return current;
|
|
}
|
|
|
|
//========================================================================
|
|
|
|
//------------------
|
|
// Separators
|
|
//------------------
|
|
|
|
DockSeparator::DockSeparator(DockLayout *owner, bool orientation,
|
|
Region *parentRegion)
|
|
: QWidget(owner->parentWidget())
|
|
, m_owner(owner)
|
|
, m_orientation(orientation)
|
|
, m_parentRegion(parentRegion)
|
|
, m_pressed(false) {
|
|
setObjectName("DockSeparator");
|
|
setWindowFlags(Qt::SubWindow);
|
|
setAutoFillBackground(false);
|
|
|
|
// Set appropriate widget cursor
|
|
if (m_orientation == Region::horizontal)
|
|
setCursor(Qt::SplitHCursor);
|
|
else
|
|
setCursor(Qt::SplitVCursor);
|
|
|
|
show();
|
|
}
|
|
|
|
//-------------------------------------
|
|
|
|
void DockSeparator::mousePressEvent(QMouseEvent *me) {
|
|
m_pressed = true;
|
|
|
|
m_oldPos = me->globalPos();
|
|
|
|
const std::deque<DockSeparator *> &sepList = m_parentRegion->separators();
|
|
const std::deque<Region *> &childList = m_parentRegion->getChildList();
|
|
|
|
// Find separated Regions (separator index)
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < sepList.size(); ++i)
|
|
if (sepList[i] == this) break;
|
|
|
|
// Calculate bounds for separator shift
|
|
// First ensure extremal sizes are recalculated
|
|
m_parentRegion->calculateExtremalSizes();
|
|
|
|
int sepWidth = m_owner->spacing();
|
|
Region *r = getParentRegion();
|
|
double parentLeft, parentRight;
|
|
int leftSepCount = m_index;
|
|
int rightSepCount =
|
|
r->separators().size() - leftSepCount; // This sep included
|
|
|
|
if (m_orientation == Region::horizontal) {
|
|
parentLeft = r->getGeometry().left();
|
|
parentRight = r->getGeometry().right();
|
|
} else {
|
|
parentLeft = r->getGeometry().top();
|
|
parentRight = r->getGeometry().bottom();
|
|
}
|
|
|
|
// Calculate left and right extremal sizes
|
|
int j, leftMinSize = 0, rightMinSize = 0, leftMaxSize = 0, rightMaxSize = 0;
|
|
|
|
for (j = 0; j <= m_index; ++j) {
|
|
leftMinSize += r->childRegion(j)->getMinimumSize(m_orientation);
|
|
leftMaxSize += r->childRegion(j)->getMaximumSize(m_orientation);
|
|
}
|
|
|
|
int size = r->getChildList().size();
|
|
for (j = m_index + 1; j < size; ++j) {
|
|
rightMinSize += r->childRegion(j)->getMinimumSize(m_orientation);
|
|
rightMaxSize += r->childRegion(j)->getMaximumSize(m_orientation);
|
|
}
|
|
|
|
// Sull'intera regione padre
|
|
m_leftBound = std::max(parentLeft + leftMinSize + leftSepCount * sepWidth,
|
|
parentRight - rightMaxSize - rightSepCount * sepWidth);
|
|
|
|
m_rightBound =
|
|
std::min(parentLeft + leftMaxSize + leftSepCount * sepWidth,
|
|
parentRight - rightMinSize - rightSepCount * sepWidth);
|
|
}
|
|
|
|
//-------------------------------------
|
|
|
|
inline void DockSeparator::mouseReleaseEvent(QMouseEvent *me) {
|
|
m_pressed = false;
|
|
}
|
|
|
|
//-------------------------------------
|
|
|
|
void DockSeparator::mouseMoveEvent(QMouseEvent *me) {
|
|
if (m_pressed) {
|
|
double movedPosition, newPosition;
|
|
|
|
if (m_orientation == Region::horizontal) {
|
|
double dx = me->globalX() - m_oldPos.x();
|
|
movedPosition =
|
|
getParentRegion()->childRegion(m_index)->getGeometry().right() + dx;
|
|
newPosition =
|
|
std::min(std::max(movedPosition, m_leftBound), m_rightBound);
|
|
dx += newPosition - movedPosition;
|
|
|
|
if (dx) {
|
|
Region *r;
|
|
QRectF newGeometry;
|
|
double newWidth, dxTemp = dx;
|
|
int i;
|
|
|
|
// Propagate dx in left-adjacent regions
|
|
for (i = m_index; dx != 0 && i >= 0; --i) {
|
|
r = getParentRegion()->childRegion(i);
|
|
newGeometry = r->getGeometry();
|
|
|
|
// Right margin is shifted by dx
|
|
newGeometry.adjust(0, 0, dx, 0);
|
|
newWidth = newGeometry.width();
|
|
// New width absorbs part of dx according to constraints
|
|
newWidth = std::min(
|
|
std::max(newWidth, (double)r->getMinimumSize(Region::horizontal)),
|
|
(double)r->getMaximumSize(Region::horizontal));
|
|
newGeometry.adjust(dx = newGeometry.width() - newWidth, 0, 0, 0);
|
|
r->setGeometry(newGeometry);
|
|
r->redistribute();
|
|
}
|
|
|
|
dx = dxTemp;
|
|
int size = getParentRegion()->getChildList().size();
|
|
// Propagate dx in right-adjacent regions
|
|
for (i = m_index + 1; dx != 0 && i < size; ++i) {
|
|
r = getParentRegion()->childRegion(i);
|
|
newGeometry = r->getGeometry();
|
|
|
|
newGeometry.adjust(dx, 0, 0, 0);
|
|
newWidth = newGeometry.width();
|
|
newWidth = std::min(
|
|
std::max(newWidth, (double)r->getMinimumSize(Region::horizontal)),
|
|
(double)r->getMaximumSize(Region::horizontal));
|
|
newGeometry.adjust(0, 0, dx = newWidth - newGeometry.width(), 0);
|
|
r->setGeometry(newGeometry);
|
|
r->redistribute();
|
|
}
|
|
|
|
m_owner->update();
|
|
}
|
|
} else {
|
|
double dy = me->globalY() - m_oldPos.y();
|
|
movedPosition =
|
|
getParentRegion()->childRegion(m_index)->getGeometry().bottom() + dy;
|
|
newPosition =
|
|
std::min(std::max(movedPosition, m_leftBound), m_rightBound);
|
|
dy += newPosition - movedPosition;
|
|
|
|
if (dy) {
|
|
Region *r;
|
|
QRectF newGeometry;
|
|
double newHeight, dyTemp = dy;
|
|
int i;
|
|
|
|
for (i = m_index; dy != 0 && i >= 0; --i) {
|
|
r = getParentRegion()->childRegion(i);
|
|
newGeometry = r->getGeometry();
|
|
QRectF oldGeometry = newGeometry;
|
|
|
|
newGeometry.adjust(0, 0, 0, dy);
|
|
newHeight = newGeometry.height();
|
|
newHeight = std::min(
|
|
std::max(newHeight, (double)r->getMinimumSize(Region::vertical)),
|
|
(double)r->getMaximumSize(Region::vertical));
|
|
newGeometry.adjust(0, dy = newGeometry.height() - newHeight, 0, 0);
|
|
r->setGeometry(newGeometry);
|
|
r->redistribute();
|
|
}
|
|
|
|
dy = dyTemp;
|
|
int size = getParentRegion()->getChildList().size();
|
|
for (i = m_index + 1; dy != 0 && i < size; ++i) {
|
|
r = getParentRegion()->childRegion(i);
|
|
newGeometry = r->getGeometry();
|
|
|
|
newGeometry.adjust(0, dy, 0, 0);
|
|
newHeight = newGeometry.height();
|
|
newHeight = std::min(
|
|
std::max(newHeight, (double)r->getMinimumSize(Region::vertical)),
|
|
(double)r->getMaximumSize(Region::vertical));
|
|
newGeometry.adjust(0, 0, 0, dy = newHeight - newGeometry.height());
|
|
r->setGeometry(newGeometry);
|
|
r->redistribute();
|
|
}
|
|
|
|
m_owner->update();
|
|
}
|
|
}
|
|
|
|
m_oldPos = QPoint(me->globalX(), me->globalY());
|
|
}
|
|
}
|
|
|
|
//========================================================
|
|
|
|
//----------------------------------
|
|
// Available geometries code
|
|
//----------------------------------
|
|
|
|
namespace {
|
|
|
|
//-------------------------------------
|
|
|
|
// Finds the closest mouse point belonging to some available geometry.
|
|
void getClosestAvailableMousePosition(QPoint &globalPos) {
|
|
// Search the screen rect containing the mouse position
|
|
int i, screens = desktop->numScreens();
|
|
for (i = 0; i < screens; ++i)
|
|
if (desktop->screenGeometry(i).contains(globalPos)) break;
|
|
|
|
// Find the closest point to the corresponding available region
|
|
QRect rect(desktop->availableGeometry(i));
|
|
if (rect.contains(globalPos)) return;
|
|
|
|
// Return the closest point to the available geometry
|
|
QPoint result;
|
|
if (globalPos.x() < rect.left())
|
|
globalPos.setX(rect.left());
|
|
else if (globalPos.x() > rect.right())
|
|
globalPos.setX(rect.right());
|
|
|
|
if (globalPos.y() < rect.top())
|
|
globalPos.setY(rect.top());
|
|
else if (globalPos.y() > rect.bottom())
|
|
globalPos.setY(rect.bottom());
|
|
}
|
|
|
|
} // Local namespace
|