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partitionmanager
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Show an info message if no device is selected or the selected device has no 

valid partition table.

No need to overwrite paintEvent().

svn path=/trunk/playground/sysadmin/partitionmanager/; revision=868394
This commit is contained in:
Volker Lanz 2008-10-06 09:18:31 +00:00
parent f2e2bbdfe3
commit f10ffb5001
2 changed files with 24 additions and 18 deletions
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35
src/gui/parttablewidget.cpp
View File

@ -25,13 +25,7 @@
#include <QMouseEvent>
#include <kdebug.h>
/** @class PartTableWidget
@todo If there's no disk label on a device, we currently don't show anything at all.
That's not particularly helpful, we should print something like "you need to create
a partition table on this device to use it".
*/
#include <klocale.h>
/** Creates a new PartTableWidget.
@param parent pointer to the parent widget
@ -40,8 +34,10 @@ PartTableWidget::PartTableWidget(QWidget* parent) :
QWidget(parent),
m_PartitionTable(NULL),
m_Widgets(),
m_ActiveWidget(NULL)
m_ActiveWidget(NULL),
m_LabelEmpty(i18nc("@info", "Please select a device."), this)
{
labelEmpty().setAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
}
/** Sets the PartitionTable this widget shows.
@ -67,7 +63,18 @@ void PartTableWidget::setPartitionTable(const PartitionTable* ptable)
widgets().last()->show();
}
positionChildren(this, partitionTable()->children(), widgets());
if (widgets().isEmpty())
{
labelEmpty().setVisible(true);
labelEmpty().setText(i18nc("@info", "No valid partition table was found on this device."));
labelEmpty().resize(size());
}
else
{
labelEmpty().setVisible(false);
positionChildren(this, partitionTable()->children(), widgets());
}
update();
}
@ -125,13 +132,9 @@ void PartTableWidget::clear()
void PartTableWidget::resizeEvent(QResizeEvent*)
{
if (partitionTable())
positionChildren(this, partitionTable()->children(), widgets());
}
void PartTableWidget::paintEvent(QPaintEvent*)
{
if (partitionTable())
if (partitionTable() == NULL || widgets().isEmpty())
labelEmpty().resize(size());
else
positionChildren(this, partitionTable()->children(), widgets());
}

7
src/gui/parttablewidget.h
View File

@ -25,11 +25,11 @@
#include <QWidget>
#include <QList>
#include <QLabel>
class PartWidget;
class PartitionTable;
class QPaintEvent;
class QResizeEvent;
class QMouseEvent;
@ -59,7 +59,6 @@ class PartTableWidget : public QWidget, public PartWidgetBase
protected:
void resizeEvent(QResizeEvent* event);
void paintEvent(QPaintEvent* event);
void mousePressEvent(QMouseEvent* event);
void mouseDoubleClickEvent(QMouseEvent* event);
@ -70,10 +69,14 @@ class PartTableWidget : public QWidget, public PartWidgetBase
const PartitionTable* partitionTable() const { return m_PartitionTable; }
QLabel& labelEmpty() { return m_LabelEmpty; }
const QLabel& labelEmpty() const { return m_LabelEmpty; }
private:
const PartitionTable* m_PartitionTable;
QList<PartWidget*> m_Widgets;
PartWidget* m_ActiveWidget;
QLabel m_LabelEmpty;
};
#endif