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tdelibs/kdeui/kdialog.h

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/* This file is part of the KDE Libraries
* Copyright (C) 1998 Thomas Tanghus (tanghus@earthling.net)
* Additions 1999-2000 by Espen Sand (espen@kde.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _KDIALOG_H_
#define _KDIALOG_H_
#include <tqdialog.h>
#include <kdelibs_export.h>
class TQLayoutItem;
/**
* Dialog with extended non-modal support and methods for %KDE standard
* compliance.
*
* Generally, you should not use this class directly, but KDialogBase
* which inherits KDialog.
*
* If the dialog is non-modal and has a parent, the default keybindings
* (@p escape = @p reject(), @p enter = @p accept(), etc.) are disabled.
*
* The marginHint() and spacingHint() sizes shall be used
* whenever you layout the interior of a dialog. One special note. If
* you make your own action buttons (OK, Cancel etc), the space
* beteween the buttons shall be spacingHint(), whereas the space
* above, below, to the right and to the left shall be marginHint().
* If you add a separator line above the buttons, there shall be a
* marginHint() between the buttons and the separator and a
* marginHint() above the separator as well.
*
* @see KDialogBase
* @author Thomas Tanghus <tanghus@earthling.net>, Espen Sand <espensa@online.no>
*/
class KDEUI_EXPORT KDialog : public TQDialog
{
Q_OBJECT
public:
/**
* Constructor.
*
* Takes the same arguments as TQDialog.
*/
KDialog(TQWidget *parent = 0, const char *name = 0,
bool modal = false, WFlags f = 0);
/**
* Return the number of pixels you shall use between a
* dialog edge and the outermost widget(s) according to the KDE standard.
**/
static int marginHint();
/**
* Return the number of pixels you shall use between
* widgets inside a dialog according to the KDE standard.
*/
static int spacingHint();
/**
* Resize every layout manager used in @p widget and its nested children.
*
* @param widget The widget used.
* @param margin The new layout margin.
* @param spacing The new layout spacing.
*/
static void resizeLayout( TQWidget *widget, int margin, int spacing );
/**
* Resize every layout associated with @p lay and its children.
*
* @param lay layout to be resized
* @param margin The new layout margin
* @param spacing The new layout spacing
*/
static void resizeLayout( TQLayoutItem *lay, int margin, int spacing );
/**
* Centers @p widget on the desktop, taking multi-head setups into
* account. If @p screen is -1, @p widget will be centered on its
* current screen (if it was shown already) or on the primary screen.
* If @p screen is -3, @p widget will be centered on the screen that
* currently contains the mouse pointer.
* @p screen will be ignored if a merged display (like Xinerama) is not
* in use, or merged display placement is not enabled in kdeglobals.
* @since 3.1
*/
static void centerOnScreen( TQWidget *widget, int screen = -1 );
/**
* Places @p widget so that it doesn't cover a certain @p area of the screen.
* This is typically used by the "find dialog" so that the match it finds can
* be read.
* For @p screen, see centerOnScreen
* @return true on success (widget doesn't cover area anymore, or never did),
* false on failure (not enough space found)
* @since 3.2
*/
static bool avoidArea( TQWidget *widget, const TQRect& area, int screen = -1 );
public slots:
/**
* If the dialog starts with focus in a TQLineEdit child,
* then call selectAll() on the child.
*/
virtual void polish();
/**
* Make a KDE compliant caption.
*
* @param caption Your caption. Do @p not include the application name
* in this string. It will be added automatically according to the KDE
* standard.
*/
virtual void setCaption( const TQString &caption );
/**
* Make a plain caption without any modifications.
*
* @param caption Your caption. This is the string that will be
* displayed in the window title.
*/
virtual void setPlainCaption( const TQString &caption );
protected:
/**
* @internal
*/
virtual void keyPressEvent(TQKeyEvent*);
signals:
/**
* Emitted when the margin size and/or spacing size
* have changed.
*
* Use marginHint() and spacingHint() in your slot
* to get the new values.
*/
void layoutHintChanged();
private:
static const int mMarginSize;
static const int mSpacingSize;
protected:
virtual void virtual_hook( int id, void* data );
private:
class KDialogPrivate;
KDialogPrivate* const d;
};
/**
* \brief Queue for showing modal dialogs one after the other.
*
* This is useful if you want to show a modal dialog but are not in the
* position to start a new event loop at that point in your code.
*
* The disadvantage is that you will not be able to get any information from
* the dialog, so it can currently only be used for simple dialogs.
*
* You probably want to use KMessageBox::queueMessageBox() instead
* of this class directly.
*
* @author Waldo Bastian <bastian@kde.org>
*/
class KDialogQueuePrivate;
class KDEUI_EXPORT KDialogQueue : public TQObject
{
Q_OBJECT
public:
static void queueDialog(TQDialog *);
~KDialogQueue();
protected:
KDialogQueue();
static KDialogQueue *self();
private slots:
void slotShowQueuedDialog();
protected:
KDialogQueuePrivate* const d;
static KDialogQueue *_self;
};
#endif // __KDIALOG_H