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//=========================================================
// MusE
// Linux Music Editor
// $Id: popupmenu.cpp,v 1.1.1.1 2010/07/18 03:21:00 terminator356 Exp $
//
// (C) Copyright 1999-2010 Werner Schweer (ws@seh.de)
//
// PopupMenu sub-class of QMenu created by Tim.
// (C) Copyright 2010-2011 Tim E. Real (terminator356 A T sourceforge D O T net)
//=========================================================
//#include <stdio.h>
#include <QMouseEvent>
#include <QHoverEvent>
#include <QAction>
#include <QPoint>
#include <QDesktopWidget>
#include <QApplication>
//#include <QTimer>
#include <stdio.h>
//#include <QStandardItemModel>
#include "popupmenu.h"
#include "gconfig.h"
#include "route.h"
//======================
// PopupMenu
//======================
//PopupMenu::PopupMenu()
//{
// init();
//}
PopupMenu::PopupMenu(bool stayOpen)
: _stayOpen(stayOpen)
{
init();
}
PopupMenu::PopupMenu(QWidget* parent, bool stayOpen)
: QMenu(parent), _stayOpen(stayOpen)
{
init();
}
PopupMenu::PopupMenu(const QString& title, QWidget* parent, bool stayOpen)
: QMenu(title, parent), _stayOpen(stayOpen)
{
init();
}
PopupMenu::~PopupMenu()
{
//printf("PopupMenu::~PopupMenu\n");
}
void PopupMenu::init()
{
// Menus will trigger! Set to make sure our trigger handlers ignore menus.
menuAction()->setData(-1);
//_stayOpen = false;
moveDelta = 0;
#ifndef POPUP_MENU_DISABLE_AUTO_SCROLL
timer = new QTimer(this);
timer->setInterval(100);
timer->setSingleShot(false);
connect(this, SIGNAL(hovered(QAction*)), SLOT(popHovered(QAction*)));
connect(timer, SIGNAL(timeout()), SLOT(timerHandler()));
#endif // POPUP_MENU_DISABLE_AUTO_SCROLL
}
void PopupMenu::clear()
{
QList<QAction*> list = actions();
for(int i = 0; i < list.size(); ++i)
{
QAction* act = list[i];
QMenu* menu = act->menu();
if(menu)
{
menu->clear(); // Recursive.
act->setMenu(0); // CHECK: Is this OK?
delete menu;
}
}
// Now let QT remove and delete this menu's actions.
QMenu::clear();
#ifndef POPUP_MENU_DISABLE_AUTO_SCROLL
connect(this, SIGNAL(hovered(QAction*)), SLOT(popHovered(QAction*)));
connect(timer, SIGNAL(timeout()), SLOT(timerHandler()));
#endif // POPUP_MENU_DISABLE_AUTO_SCROLL
}
void PopupMenu::clearAllChecks() const
{
QList<QAction*> list = actions();
for(int i = 0; i < list.size(); ++i)
{
QAction* act = list[i];
PopupMenu* menu = static_cast <PopupMenu*>(act->menu());
if(menu)
menu->clearAllChecks(); // Recursive.
if(act->isCheckable())
{
act->blockSignals(true);
act->setChecked(false);
act->blockSignals(false);
}
}
}
QAction* PopupMenu::findActionFromData(const QVariant& v) const
{
QList<QAction*> list = actions();
for(int i = 0; i < list.size(); ++i)
{
QAction* act = list[i];
PopupMenu* menu = (PopupMenu*)act->menu();
if(menu)
{
if(QAction* actm = menu->findActionFromData(v)) // Recursive.
return actm;
}
// "Operator == Compares this QVariant with v and returns true if they are equal,
// otherwise returns false. In the case of custom types, their equalness operators
// are not called. Instead the values' addresses are compared."
//
// Take care of struct Route first. Insert other future custom structures here too !
if(act->data().canConvert<Route>() && v.canConvert<Route>())
{
if(act->data().value<Route>() == v.value<Route>())
return act;
}
else
if(act->data() == v)
return act;
}
return 0;
}
bool PopupMenu::event(QEvent* event)
{
//printf("PopupMenu::event type:%d\n", event->type());
switch(event->type())
{
#ifndef POPUP_MENU_DISABLE_STAY_OPEN
case QEvent::MouseButtonDblClick:
{
if(_stayOpen)
//if(_stayOpen && config.popupsDefaultStayOpen)
{
QMouseEvent* e = static_cast<QMouseEvent*>(event);
if(e->modifiers() == Qt::NoModifier)
{
event->accept();
// Convert into a return press, which selects the item and closes the menu.
// Note that with double click, it's a press followed by release followed by double click.
// That would toggle our item twice eg on->off->on, which is hopefully OK.
QKeyEvent ke(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier);
//ke.ignore(); // Pass it on
return QMenu::event(&ke);
}
}
}
break;
case QEvent::KeyPress:
{
if(_stayOpen)
//if(_stayOpen && config.popupsDefaultStayOpen)
{
QKeyEvent* e = static_cast<QKeyEvent*>(event);
if(e->modifiers() == Qt::NoModifier && e->key() == Qt::Key_Space)
{
QAction* act = activeAction();
if(act)
{
act->trigger();
event->accept();
return true; // We handled it.
}
}
}
}
break;
#endif // POPUP_MENU_DISABLE_STAY_OPEN
#ifndef POPUP_MENU_DISABLE_AUTO_SCROLL
case QEvent::MouseMove:
{
QMouseEvent* e = static_cast<QMouseEvent*>(event);
QPoint globPos = e->globalPos();
//QPoint pos = e->pos();
int dw = QApplication::desktop()->width(); // We want the whole thing if multiple monitors.
//printf("PopupMenu::event MouseMove: pos x:%d y:%d globPos x:%d y:%d\n",
// pos.x(), pos.y(), globPos.x(), globPos.y());
/*
//QAction* action = actionAt(globPos);
QAction* action = actionAt(pos);
if(action)
{
QRect r = actionGeometry(action);
//printf(" act x:%d y:%d w:%d h:%d popup px:%d py:%d pw:%d ph:%d\n",
// r.x(), r.y(), r.width(), r.height(), x(), y(), width(), height());
//action->hover();
}
*/
if(x() < 0 && globPos.x() <= 0) // If on the very first pixel (or beyond)
{
moveDelta = 32;
if(!timer->isActive())
timer->start();
event->accept();
return true;
}
else
if(x() + width() >= dw && globPos.x() >= (dw -1)) // If on the very last pixel (or beyond)
{
moveDelta = -32;
if(!timer->isActive())
timer->start();
event->accept();
return true;
}
if(timer->isActive())
timer->stop();
//event->accept();
//return true;
event->ignore(); // Pass it on
//return QMenu::event(event);
}
break;
#endif // POPUP_MENU_DISABLE_AUTO_SCROLL
default:
break;
}
return QMenu::event(event);
}
#ifndef POPUP_MENU_DISABLE_AUTO_SCROLL
void PopupMenu::timerHandler()
{
// printf("PopupMenu::timerHandler\n");
//if(!isVisible() || !hasFocus())
if(!isVisible())
{
timer->stop();
return;
}
int dw = QApplication::desktop()->width(); // We want the whole thing if multiple monitors.
int nx = x() + moveDelta;
if(moveDelta < 0 && nx + width() < dw)
{
timer->stop();
nx = dw - width();
}
else
if(moveDelta > 0 && nx > 0)
{
timer->stop();
nx = 0;
}
move(nx, y());
}
void PopupMenu::popHovered(QAction* action)
{
//timer->stop();
//moveDelta = 0;
if(action)
{
int dw = QApplication::desktop()->width(); // We want the whole thing if multiple monitors.
QRect r = actionGeometry(action);
//printf("PopupMenu::popHovered x:%d y:%d w:%d h:%d px:%d py:%d pw:%d ph:%d\n",
// r.x(), r.y(), r.width(), r.height(), x(), y(), width(), height());
//printf("PopupMenu::popHovered x:%d y:%d w:%d h:%d px:%d py:%d pw:%d ph:%d dtw:%d\n",
// r.x(), r.y(), r.width(), r.height(), x(), y(), width(), height(), dw);
//int x = r.x() + ctrlSubPop->x();
if(x() + r.x() < 0)
//setGeometry(0, y(), width(), height());
//scroll(-x, 0);
//move(-r.x() + 32, y()); // Allow some of left column to show so that mouse can move over it.
//move(-r.x() + r.width(), y()); // Allow some of left column to show so that mouse can move over it.
//moveDelta = x() - r.x() + 32;
move(-r.x(), y());
else
if(r.x() + r.width() + x() > dw)
//setGeometry(1200 - r.x() - r.width(), y(), width(), height());
//scroll(-x + 1200, 0);
//move(dw - r.x() - r.width() - 32, y()); // Allow some of right column to show so that mouse can move over it.
//move(dw - r.x(), y()); // Allow some of right column to show so that mouse can move over it.
//moveDelta = x() + dw - r.x() - r.width() - 32;
move(dw - r.x() - r.width(), y());
}
//if(moveDelta == 0)
// timer->stop();
}
#endif // POPUP_MENU_DISABLE_AUTO_SCROLL
void PopupMenu::mouseReleaseEvent(QMouseEvent *e)
{
#ifdef POPUP_MENU_DISABLE_STAY_OPEN
QMenu::mouseReleaseEvent(e);
return;
#else
// Check for Ctrl to stay open.
if(!_stayOpen || (!config.popupsDefaultStayOpen && (e->modifiers() & Qt::ControlModifier) == 0))
{
QMenu::mouseReleaseEvent(e);
return;
}
//printf("PopupMenu::mouseReleaseEvent\n");
QAction *action = actionAt(e->pos());
if (action && action == activeAction() && !action->isSeparator() && action->isEnabled())
action->activate(QAction::Trigger);
else
QMenu::mouseReleaseEvent(e);
#endif // POPUP_MENU_DISABLE_STAY_OPEN
}
/*
//======================
// PopupView
//======================
PopupView::PopupView(QWidget* parent)
: QColumnView(parent)
{
_model= new QStandardItemModel(this);
// FIXME: After clearing, then re-filling, no items seen.
// But if setModel is called FOR THE FIRST TIME after clearing the model,
// then it works. Calling setModel any time after that does not work.
setModel(_model);
}
PopupView::~PopupView()
{
// Make sure to clear the popup so that any child popups are also deleted !
//popup->clear();
}
void PopupView::clear()
{
_model->clear();
}
*/
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