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/***************************************************************************
* *
* 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. *
* *
* copyright (C) 2004-2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
#ifndef ALIGNTOOLBAR_H
#define ALIGNTOOLBAR_H
#include <tqpixmap.h>
#include <tdetoolbar.h>
#include "umlnamespace.h"
#include "umlwidgetlist.h"
class TQMainWindow;
class UMLWidget;
/**
* This toolbar provides tools for alignment. Widgets can only be aligned, when
* there are at least 2 widgets (not associations) are selected
*
* @short Toolbar providing alignment tools.
* @author Sebastian Stein <seb.kde@hpfsc.de>
* Bugs and comments to uml-devel@lists.sf.net or http://bugs.kde.org
*/
class AlignToolBar : public TDEToolBar {
Q_OBJECT
public:
/**
* Creates a bar with tools for alignment.
*
* @param parentWindow The parent of the toolbar.
* @param name The name of the toolbar.
*/
AlignToolBar(TQMainWindow* parentWindow, const char* name);
/**
* Standard deconstructor.
*/
~AlignToolBar();
private:
/**
* Returns true if the first widget's X is smaller than second's.
* Used for sorting the UMLWidgetList.
*
* @param widget1 The widget to compare.
* @param widget2 The widget to compare with.
*/
static bool hasWidgetSmallerX(const UMLWidget* widget1, const UMLWidget* widget2);
/**
* Returns true if the first widget's Y is smaller than second's.
* Used for sorting the UMLWidgetList.
*
* @param widget1 The widget to compare.
* @param widget2 The widget to compare with.
*/
static bool hasWidgetSmallerY(const UMLWidget* widget1, const UMLWidget* widget2);
/**
* Loads toolbar icon.
*/
void loadPixmaps();
/**
* Looks for the smallest x-value of the given UMLWidgets.
*
* @param widgetList A list with UMLWidgets.
*/
int getSmallestX(const UMLWidgetList &widgetList);
/**
* Looks for the smallest y-value of the given UMLWidgets.
*
* @param widgetList A list with UMLWidgets.
*/
int getSmallestY(const UMLWidgetList &widgetList);
/**
* Looks for the biggest x-value of the given UMLWidgets.
*
* @param widgetList A list with UMLWidgets.
*/
int getBiggestX(const UMLWidgetList &widgetList);
/**
* Looks for the biggest y-value of the given UMLWidgets.
*
* @param widgetList A list with UMLWidgets.
*/
int getBiggestY(const UMLWidgetList &widgetList);
/**
* Returns the sum of the heights of the given UMLWidgets
*
* @param widgetList A list with UMLWidgets.
*/
int getHeightsSum(const UMLWidgetList &widgetList);
/**
* Returns the sum of the widths of the given UMLWidgets.
*
* @param widgetList A list with UMLWidgets.
*/
int getWidthsSum(const UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the left.
*
* @param widgetList The list with the widgets to align.
*/
void alignLeft(UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the right.
*
* @param widgetList The list with the widgets to align.
*/
void alignRight(UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the top.
*
* @param widgetList The list with the widgets to align.
*/
void alignTop(UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the bottom.
*
* @param widgetList The list with the widgets to align.
*/
void alignBottom(UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the vertical middle.
*
* @param widgetList The list with the widgets to align.
*/
void alignVerticalMiddle(UMLWidgetList &widgetList);
/**
* Aligns all the widgets in the list to the horizontal middle.
*
* @param widgetList The list with the widgets to align.
*/
void alignHorizontalMiddle(UMLWidgetList &widgetList);
/**
* Distributes all the widgets in the list at the same vertical distance
* from one widget to the next.
*
* @param widgetList The list with the widgets to distribute.
*/
void alignVerticalDistribute(UMLWidgetList &widgetList);
/**
* Distributes all the widgets in the list at the same horizontal distance
* from one widget to the next.
*
* @param widgetList The list with the widgets to distribute.
*/
void alignHorizontalDistribute(UMLWidgetList &widgetList);
/**
* Sorts the given UMLWidgetList based on the Compare function.
* The list is cleared and all the widgets are added again in order.
*
* The comp function gets two const UMLWidget* params and returns
* a boolean telling if the first widget was smaller than the second,
* whatever the "smaller" concept is depending on the sorting to do.
*
* @param widgetList The list with the widgets to order.
* @param comp The comp function to compare the widgets.
*/
template<typename Compare>
void sortWidgetList(UMLWidgetList &widgetList, Compare comp);
/**
* Used to identify the buttons.
*/
enum AlignAction
{
alac_align_left = 0,
alac_align_right,
alac_align_top,
alac_align_bottom,
alac_align_vertical_middle,
alac_align_horizontal_middle,
alac_align_vertical_distribute,
alac_align_horizontal_distribute,
alac_none
};
/**
* Holds the number of buttons.
*/
static const unsigned nrAlignButtons = (unsigned) alac_none -
(unsigned) alac_align_left;
/**
* Holds the icons for the different buttons.
*/
TQPixmap m_Pixmaps[nrAlignButtons];
private slots:
/**
* Performs the alignment when a button was clicked.
*
* @param btn The clicked button.
*/
void slotButtonChanged(int btn);
};
#endif
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