qlayout.cpp File Reference

#include "qlayout.h"
#include "qapplication.h"
#include "qlayoutengine_p.h"
#include "qmenubar.h"
#include "qtoolbar.h"
#include "qsizegrip.h"
#include "qevent.h"
#include "qstyle.h"
#include "qvariant.h"
#include "qwidget_p.h"
#include "qlayout_p.h"
#include "qformlayout.h"

Go to the source code of this file.

Functions
static bool	layoutDebug ()
static int	menuBarHeightForWidth (QWidget *menubar, int w)
static bool	removeWidgetRecursively (QLayoutItem *li, QWidget *w)

Function Documentation

layoutDebug()

static bool layoutDebug ( )

static

Definition at line 995 of file qlayout.cpp.

Referenced by QLayout::addChildWidget(), and QLayoutPrivate::reparentChildWidgets().

{
    static int checked_env = -1;
    if(checked_env == -1)
        checked_env = !!qgetenv("QT_LAYOUT_DEBUG").toInt();

    return checked_env;
}

menuBarHeightForWidth()

static int menuBarHeightForWidth ( QWidget *  menubar, int  w  )

static

Definition at line 58 of file qlayout.cpp.

Referenced by QLayoutPrivate::doResize(), QLayout::totalHeightForWidth(), QLayout::totalMaximumSize(), QLayout::totalMinimumSize(), and QLayout::totalSizeHint().

{
    if (menubar && !menubar->isHidden() && !menubar->isWindow()) {
        int result = menubar->heightForWidth(qMax(w, menubar->minimumWidth()));
        if (result == -1)
            result = menubar->sizeHint().height();
        const int min = qSmartMinSize(menubar).height();
        result = qBound(min, result, menubar->maximumSize().height());
        if (result != -1)
            return result;
    }
    return 0;
}

removeWidgetRecursively()

static bool removeWidgetRecursively ( QLayoutItem *  li, QWidget *  w  )

static

Definition at line 680 of file qlayout.cpp.

Referenced by QLayout::addChildWidget(), and QLayout::widgetEvent().

{
    QLayout *lay = li->layout();
    if (!lay)
        return false;
    int i = 0;
    QLayoutItem *child;
    while ((child = lay->itemAt(i))) {
        if (child->widget() == w) {
            delete lay->takeAt(i);
            lay->invalidate();
            return true;
        } else if (removeWidgetRecursively(child, w)) {
            return true;
        } else {
            ++i;
        }
    }
    return false;
}