You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
467 lines
14 KiB
467 lines
14 KiB
/*
|
|
* eventlistviewbase.cpp - base classes for widget showing list of events
|
|
* Program: kalarm
|
|
* Copyright (c) 2004-2006 by David Jarvie <software@astrojar.org.uk>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "kalarm.h"
|
|
|
|
#include <tqwhatsthis.h>
|
|
#include <tqheader.h>
|
|
|
|
#include <kiconloader.h>
|
|
#include <kdebug.h>
|
|
|
|
#include "find.h"
|
|
#include "eventlistviewbase.moc"
|
|
|
|
|
|
class EventListWhatsThisBase : public TQWhatsThis
|
|
{
|
|
public:
|
|
EventListWhatsThisBase(EventListViewBase* lv) : TQWhatsThis(lv), mListView(lv) { }
|
|
virtual TQString text(const TQPoint&);
|
|
private:
|
|
EventListViewBase* mListView;
|
|
};
|
|
|
|
|
|
/*=============================================================================
|
|
= Class: EventListViewBase
|
|
= Base class for displaying a list of events.
|
|
=============================================================================*/
|
|
|
|
EventListViewBase::EventListViewBase(TQWidget* parent, const char* name)
|
|
: TDEListView(parent, name),
|
|
mFind(0),
|
|
mLastColumn(-1),
|
|
mLastColumnHeaderWidth(0)
|
|
{
|
|
setAllColumnsShowFocus(true);
|
|
setShowSortIndicator(true);
|
|
|
|
new EventListWhatsThisBase(this);
|
|
}
|
|
|
|
void EventListViewBase::addLastColumn(const TQString& title)
|
|
{
|
|
addColumn(title);
|
|
mLastColumn = columns() - 1;
|
|
mLastColumnHeaderWidth = columnWidth(mLastColumn);
|
|
setColumnWidthMode(mLastColumn, TQListView::Maximum);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Refresh the list by clearing it and redisplaying all the current alarms.
|
|
*/
|
|
void EventListViewBase::refresh()
|
|
{
|
|
TQString currentID;
|
|
if (currentItem())
|
|
currentID = currentItem()->event().id(); // save current item for restoration afterwards
|
|
clear();
|
|
populate();
|
|
resizeLastColumn();
|
|
EventListViewItemBase* current = getEntry(currentID);
|
|
if (current)
|
|
{
|
|
setCurrentItem(current);
|
|
ensureItemVisible(current);
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Get the item for a given event ID.
|
|
*/
|
|
EventListViewItemBase* EventListViewBase::getEntry(const TQString& eventID) const
|
|
{
|
|
if (!eventID.isEmpty())
|
|
{
|
|
for (EventListViewItemBase* item = firstChild(); item; item = item->nextSibling())
|
|
if (item->event().id() == eventID)
|
|
return item;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Add an event to every list instance.
|
|
* If 'selectionView' is non-null, the selection highlight is moved to the new
|
|
* event in that listView instance.
|
|
*/
|
|
void EventListViewBase::addEvent(const KAEvent& event, const InstanceList& instanceList, EventListViewBase* selectionView)
|
|
{
|
|
for (InstanceListConstIterator it = instanceList.begin(); it != instanceList.end(); ++it)
|
|
(*it)->addEntry(event, true, (*it == selectionView));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Modify an event in every list instance.
|
|
* If 'selectionView' is non-null, the selection highlight is moved to the
|
|
* modified event in that listView instance.
|
|
*/
|
|
void EventListViewBase::modifyEvent(const TQString& oldEventID, const KAEvent& newEvent,
|
|
const InstanceList& instanceList, EventListViewBase* selectionView)
|
|
{
|
|
for (InstanceListConstIterator it = instanceList.begin(); it != instanceList.end(); ++it)
|
|
{
|
|
EventListViewBase* v = *it;
|
|
EventListViewItemBase* item = v->getEntry(oldEventID);
|
|
if (item)
|
|
v->deleteEntry(item, false);
|
|
v->addEntry(newEvent, true, (v == selectionView));
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Delete an event from every displayed list.
|
|
*/
|
|
void EventListViewBase::deleteEvent(const TQString& eventID, const InstanceList& instanceList)
|
|
{
|
|
for (InstanceListConstIterator it = instanceList.begin(); it != instanceList.end(); ++it)
|
|
{
|
|
EventListViewBase* v = *it;
|
|
EventListViewItemBase* item = v->getEntry(eventID);
|
|
if (item)
|
|
v->deleteEntry(item, true);
|
|
else
|
|
v->refresh();
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Add a new item to the list.
|
|
* If 'reselect' is true, select/highlight the new item.
|
|
*/
|
|
EventListViewItemBase* EventListViewBase::addEntry(const KAEvent& event, bool setSize, bool reselect)
|
|
{
|
|
if (!shouldShowEvent(event))
|
|
return 0;
|
|
return addEntry(createItem(event), setSize, reselect);
|
|
}
|
|
|
|
EventListViewItemBase* EventListViewBase::addEntry(EventListViewItemBase* item, bool setSize, bool reselect)
|
|
{
|
|
if (setSize)
|
|
resizeLastColumn();
|
|
if (reselect)
|
|
{
|
|
clearSelection();
|
|
setSelected(item, true);
|
|
}
|
|
return item;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Update a specified item in the list.
|
|
* If 'reselect' is true, select the updated item.
|
|
*/
|
|
EventListViewItemBase* EventListViewBase::updateEntry(EventListViewItemBase* item, const KAEvent& newEvent, bool setSize, bool reselect)
|
|
{
|
|
deleteEntry(item);
|
|
return addEntry(newEvent, setSize, reselect);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Delete a specified item from the list.
|
|
*/
|
|
void EventListViewBase::deleteEntry(EventListViewItemBase* item, bool setSize)
|
|
{
|
|
if (item)
|
|
{
|
|
delete item;
|
|
if (setSize)
|
|
resizeLastColumn();
|
|
emit itemDeleted();
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the Find action is selected.
|
|
* Display the non-modal Find dialog.
|
|
*/
|
|
void EventListViewBase::slotFind()
|
|
{
|
|
if (!mFind)
|
|
{
|
|
mFind = new Find(this);
|
|
connect(mFind, TQ_SIGNAL(active(bool)), TQ_SIGNAL(findActive(bool)));
|
|
}
|
|
mFind->display();
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the Find Next or Find Prev action is selected.
|
|
*/
|
|
void EventListViewBase::findNext(bool forward)
|
|
{
|
|
if (mFind)
|
|
mFind->findNext(forward);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the Select All action is selected.
|
|
* Select all items in the list.
|
|
*/
|
|
void EventListViewBase::slotSelectAll()
|
|
{
|
|
if (selectionMode() == TQListView::Multi || selectionMode() == TQListView::Extended)
|
|
selectAll(true);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the Deselect action is selected.
|
|
* Deselect all items in the list.
|
|
*/
|
|
void EventListViewBase::slotDeselect()
|
|
{
|
|
selectAll(false);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Check whether there are any selected items.
|
|
*/
|
|
bool EventListViewBase::anySelected() const
|
|
{
|
|
for (TQListViewItem* item = TDEListView::firstChild(); item; item = item->nextSibling())
|
|
if (isSelected(item))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Get the single selected event.
|
|
* Reply = the event
|
|
* = 0 if no event is selected or multiple events are selected.
|
|
*/
|
|
const KAEvent* EventListViewBase::selectedEvent() const
|
|
{
|
|
EventListViewItemBase* sel = selectedItem();
|
|
return sel ? &sel->event() : 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Fetch the single selected item.
|
|
* This method works in both Single and Multi selection mode, unlike
|
|
* TQListView::selectedItem().
|
|
* Reply = null if no items are selected, or if multiple items are selected.
|
|
*/
|
|
EventListViewItemBase* EventListViewBase::selectedItem() const
|
|
{
|
|
if (selectionMode() == TQListView::Single)
|
|
return (EventListViewItemBase*)TDEListView::selectedItem();
|
|
|
|
TQListViewItem* item = 0;
|
|
for (TQListViewItem* it = firstChild(); it; it = it->nextSibling())
|
|
{
|
|
if (isSelected(it))
|
|
{
|
|
if (item)
|
|
return 0;
|
|
item = it;
|
|
}
|
|
}
|
|
return (EventListViewItemBase*)item;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Fetch all selected items.
|
|
*/
|
|
TQValueList<EventListViewItemBase*> EventListViewBase::selectedItems() const
|
|
{
|
|
TQValueList<EventListViewItemBase*> items;
|
|
for (TQListViewItem* item = firstChild(); item; item = item->nextSibling())
|
|
{
|
|
if (isSelected(item))
|
|
items.append((EventListViewItemBase*)item);
|
|
}
|
|
return items;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Return how many items are selected.
|
|
*/
|
|
int EventListViewBase::selectedCount() const
|
|
{
|
|
int count = 0;
|
|
for (TQListViewItem* item = firstChild(); item; item = item->nextSibling())
|
|
{
|
|
if (isSelected(item))
|
|
++count;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Sets the last column in the list view to extend at least to the right hand
|
|
* edge of the list view.
|
|
*/
|
|
void EventListViewBase::resizeLastColumn()
|
|
{
|
|
int lastColumnWidth = mLastColumnHeaderWidth;
|
|
for (EventListViewItemBase* item = firstChild(); item; item = item->nextSibling())
|
|
{
|
|
int mw = item->lastColumnWidth();
|
|
if (mw > lastColumnWidth)
|
|
lastColumnWidth = mw;
|
|
}
|
|
TQHeader* head = header();
|
|
int x = head->sectionPos(mLastColumn);
|
|
int availableWidth = visibleWidth() - x;
|
|
int rightColWidth = 0;
|
|
int index = head->mapToIndex(mLastColumn);
|
|
if (index < mLastColumn)
|
|
{
|
|
// The last column has been dragged by the user to a different position.
|
|
// Ensure that the columns now to the right of it are still shown.
|
|
for (int i = index + 1; i <= mLastColumn; ++i)
|
|
rightColWidth += columnWidth(head->mapToSection(i));
|
|
availableWidth -= rightColWidth;
|
|
}
|
|
if (availableWidth < lastColumnWidth)
|
|
availableWidth = lastColumnWidth;
|
|
setColumnWidth(mLastColumn, availableWidth);
|
|
if (contentsWidth() > x + availableWidth + rightColWidth)
|
|
resizeContents(x + availableWidth + rightColWidth, contentsHeight());
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the widget's size has changed (before it is painted).
|
|
* Sets the last column in the list view to extend at least to the right hand
|
|
* edge of the list view.
|
|
*/
|
|
void EventListViewBase::resizeEvent(TQResizeEvent* re)
|
|
{
|
|
TDEListView::resizeEvent(re);
|
|
resizeLastColumn();
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the widget is first displayed.
|
|
* Sets the last column in the list view to extend at least to the right hand
|
|
* edge of the list view.
|
|
*/
|
|
void EventListViewBase::showEvent(TQShowEvent* se)
|
|
{
|
|
TDEListView::showEvent(se);
|
|
resizeLastColumn();
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Find the height of one list item.
|
|
*/
|
|
int EventListViewBase::itemHeight()
|
|
{
|
|
EventListViewItemBase* item = firstChild();
|
|
if (!item)
|
|
{
|
|
// The list is empty, so create a temporary item to find its height
|
|
TQListViewItem* item = new TQListViewItem(this, TQString());
|
|
int height = item->height();
|
|
delete item;
|
|
return height;
|
|
}
|
|
else
|
|
return item->height();
|
|
}
|
|
|
|
|
|
/*=============================================================================
|
|
= Class: EventListViewItemBase
|
|
= Base class containing the details of one event for display in an
|
|
* EventListViewBase.
|
|
=============================================================================*/
|
|
TQPixmap* EventListViewItemBase::mTextIcon;
|
|
TQPixmap* EventListViewItemBase::mFileIcon;
|
|
TQPixmap* EventListViewItemBase::mCommandIcon;
|
|
TQPixmap* EventListViewItemBase::mEmailIcon;
|
|
int EventListViewItemBase::mIconWidth = 0;
|
|
|
|
|
|
EventListViewItemBase::EventListViewItemBase(EventListViewBase* parent, const KAEvent& event)
|
|
: TQListViewItem(parent),
|
|
mEvent(event)
|
|
{
|
|
iconWidth(); // load the icons
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Set the text for the last column, and find its width.
|
|
*/
|
|
void EventListViewItemBase::setLastColumnText()
|
|
{
|
|
EventListViewBase* parent = (EventListViewBase*)listView();
|
|
setText(parent->lastColumn(), lastColumnText());
|
|
mLastColumnWidth = width(parent->fontMetrics(), parent, parent->lastColumn());
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Return the width of the widest alarm type icon.
|
|
*/
|
|
int EventListViewItemBase::iconWidth()
|
|
{
|
|
if (!mIconWidth)
|
|
{
|
|
mTextIcon = new TQPixmap(SmallIcon("message"));
|
|
mFileIcon = new TQPixmap(SmallIcon("file"));
|
|
mCommandIcon = new TQPixmap(SmallIcon("application-x-executable"));
|
|
mEmailIcon = new TQPixmap(SmallIcon("mail_generic"));
|
|
if (mTextIcon)
|
|
mIconWidth = mTextIcon->width();
|
|
if (mFileIcon && mFileIcon->width() > mIconWidth)
|
|
mIconWidth = mFileIcon->width();
|
|
if (mCommandIcon && mCommandIcon->width() > mIconWidth)
|
|
mIconWidth = mCommandIcon->width();
|
|
if (mEmailIcon && mEmailIcon->width() > mIconWidth)
|
|
mIconWidth = mEmailIcon->width();
|
|
}
|
|
return mIconWidth;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Return the icon associated with the event's action.
|
|
*/
|
|
TQPixmap* EventListViewItemBase::eventIcon() const
|
|
{
|
|
switch (mEvent.action())
|
|
{
|
|
case KAAlarm::FILE: return mFileIcon;
|
|
case KAAlarm::COMMAND: return mCommandIcon;
|
|
case KAAlarm::EMAIL: return mEmailIcon;
|
|
case KAAlarm::MESSAGE:
|
|
default: return mTextIcon;
|
|
}
|
|
}
|
|
|
|
|
|
/*=============================================================================
|
|
= Class: EventListWhatsThisBase
|
|
= Sets What's This? text depending on where in the list view is clicked.
|
|
=============================================================================*/
|
|
|
|
TQString EventListWhatsThisBase::text(const TQPoint& pt)
|
|
{
|
|
int column = -1;
|
|
TQPoint viewportPt = mListView->viewport()->mapFrom(mListView, pt);
|
|
TQRect frame = mListView->header()->frameGeometry();
|
|
if (frame.contains(pt)
|
|
|| (mListView->itemAt(TQPoint(mListView->itemMargin(), viewportPt.y())) && frame.contains(TQPoint(pt.x(), frame.y()))))
|
|
column = mListView->header()->sectionAt(pt.x());
|
|
return mListView->whatsThisText(column);
|
|
}
|
|
|