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koffice/kexi/main/ksplitter.h

258 lines
7.5 KiB

/* This file is part of the KDE libraries
Copyright (C) 2000 Max Judin <novaprint@mtu-net.ru>
Copyright (C) 2005 Dominik Haumann <dhdev@gmx.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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.
*/
/*
IMPORTANT Note: This file compiles also in TQt-only mode by using the NO_KDE2 precompiler definition
*/
#ifndef KDOCKWIDGET_PRIVATE_H
#define KDOCKWIDGET_PRIVATE_H
#include <tqwidget.h>
#include <tqpushbutton.h>
#include <tdeversion.h>
#ifndef NO_KDE2
#include <netwm_def.h>
#endif
class TQFrame;
class KDockContainer;
class KDockWidget;
/**
* Like TQSplitter but specially designed for dockwidgets stuff.
* @internal
*
* @author Max Judin.
*/
class KDockSplitter : public TQWidget
{
//TQ_OBJECT
public:
/**
* Constructor.
* @param parent parent widget
* @param name name
* @param orient orientation. Either @p Qt::Vertical or @p Qt::Horizontal
* @param pos procentual position of the splitter. Must be int [0...100].
*/
KDockSplitter(TQWidget *parent= 0, const char *name= 0, Qt::Orientation orient=Qt::Vertical, int pos= 50);
virtual ~KDockSplitter(){};
/**
* Initialize the splitter. If @p c0 or @p c1 is 0L the child will not
* be replaced. So if you want to change @p c1 and not change c0, you'd
* call @p activate(0L,new_widget);
*
* @param c0 the widget on top/left
* @param c1 the widget on borrom/right
*/
void activate(TQWidget *c0, TQWidget *c1 = 0L);
/**
* Disables the splitter.
*/
void deactivate();
/**
* Return the separator position in percent (%), so the range is [0..100]
* @return separator position in percent
*/
int separatorPosInPercent()
#if KDE_IS_VERSION(3,4,89)
;
#else
{
// kdDebug() << "^^^^^^^^^^^^^^^^^^^^^ separatorPosInPercent() " << separatorPos() / (factor/100) << " " << separatorPos() / 100 << endl;
return separatorPos() / 100;
}
#endif
/**
* Set the separator position in percent (%), so the range must be [0..100]
* @param percent separator position in percent
*/
void setSeparatorPosInPercent(int percent)
#if KDE_IS_VERSION(3,4,89)
;
#else
{
// kdDebug() << "^^^^^^^^^^^^^^^^^^^^^ setSeparatorPosInPercent() " << percent << " " << separatorPos() / 100 << endl;
setSeparatorPos( percent * 100, false );
}
#endif
/**
* Return the separator position in the range [0..100000]
* To get the separator position in procent (%), call
* @p separatorPositionInPercent()!
*
* @return high resolution separator position in range [0..100000],
* where 100000 is 100%.
*/
int separatorPos() const;
/**
* set separator position.
* @param pos the separator position in range [0..100000]. 100000 is 100%.
* @param do_resize true by default
*/
void setSeparatorPos(int pos, bool do_resize = true);
/**
* For usage from outside.
* If the splitter is in fixed position when called,
* the value of @p pos will be saved and used when the splitter
* is restored.
* If @p do_resize is true, the size will be changed unless the splitter
* is in fixed mode.
*/
// ### please come up with a nicer name
void setSeparatorPosX(int pos, bool do_resize=false);
/**
* The eventfilter installed on the @p divider processes
* all splitter resizing events.
*/
virtual bool eventFilter(TQObject *, TQEvent *);
virtual bool event( TQEvent * );
/**
* @return the top/left child widget.
*/
TQWidget* getFirst() const { return child0; }
/**
* @return the bottom/right child widget.
*/
TQWidget* getLast() const { return child1; }
/**
* If @p w is child0, return child1, otherwise child0.
* @return the other child widget
*/
TQWidget* getAnother( TQWidget* w ) const;
void updateName();
/**
* Set opaque flag.
* @param b if true, both child widgets are resized immediately,
* if false, the widgets only resize on MouseUpEvent.
*/
void setOpaqueResize(bool b=true);
bool opaqueResize() const;
/**
* If @p b is true, the splitter will keep its size on resize events.
* If no @p KDockContainer is around, always the left child0 will be fixed size.
*/
void setKeepSize(bool b=true);
bool keepSize() const;
void setForcedFixedWidth(KDockWidget *dw,int w);
void setForcedFixedHeight(KDockWidget *dw,int h);
void restoreFromForcedFixedSize(KDockWidget *dw);
/**
* The orientation is either @p Qt::Horizontal or @p Qt::Vertical.
*/
Qt::Orientation orientation(){return m_orientation;}
protected:
friend class KDockContainer;
/**
* Make sure the splitter position is not out of bounds.
* @param position the current position
* @return a (new) valid splitter position.
*/
int checkValue(int position) const;
/**
* Make sure the splitter position is not out of bounds. It has
* to honor all child widgets' mimimumSize.
* @param position current divider position
* @param child the overlapping child
* @return the (new) splitter position.
*/
int checkValueOverlapped(int position, TQWidget* child) const;
/**
* The resize event resizes @p child0, @p child1 and the @p divider.
* The new sizes are dependant of
* - whether @p child0 or @p child1 is a KDockContainer
* - the current mode which may be
* - Closed
* - Overlapped (opened)
* - Nonoverlap (opened)
* .
* .
* So there are 3*2=6 different modes we have to face.
* @param ev the resize Event. If @p ev=0L the user changed
* the mode (for example from overlap to nonoverlap mode).
*/
virtual void resizeEvent(TQResizeEvent *ev);
/*
protected slots:
void delayedResize();*/
private:
/**
* updates the minimum and maximun sizes for the KDockSplitter.
* The sizes depend on the minimum and maximum sizes of the two child
* widgets.
*/
void setupMinMaxSize();
/**
* child0 and child1 contain the embedded widgets. They are always valid
* so no need to make pointer checks.
* child[01]->getWidget() may be KDockContainer.
*/
TQWidget *child0, *child1;
Qt::Orientation m_orientation;
/**
* If initialised is true, the divider!=0L. If false, the divider==0L!
*/
bool initialised;
/**
* The splitter controller which is between child0 and child1.
* Its size is 4 pixel.
*/
TQFrame* divider;
/**
* @p xpos and @p savedXPos represent the current divider position.
* If the orientation is Qt::Horizontal @p xpos actually is "ypos". So
* do not get confused only because of the 'x'.
*
* xpos and savedXPos are internally high resolution. So *not* 0..100%
* but 0..100000=100%. This fixes rounding bugs. In fact, this should
* be a double, but due to binary compatibility we can not change this
* as we would have to change it in all kdockwidgets.
*/
int xpos, savedXPos;
bool mOpaqueResize, mKeepSize;
int fixedWidth0,fixedWidth1;
int fixedHeight0,fixedHeight1;
bool m_dontRecalc;
/**
* resolution factor, 0 = 0%, 100000=100%
*/
static const int factor = 100000;
};
#endif