void AP_UnixFrame::setYScrollRange(void)
{
AP_UnixFrameImpl * pFrameImpl = static_cast<AP_UnixFrameImpl *>(getFrameImpl());
UT_return_if_fail(pFrameImpl);
GR_Graphics * pGr = pFrameImpl->getFrame ()->getCurrentView ()->getGraphics ();
int height = 0;
if(m_pData) //this isn't guaranteed in AbiCommand
height = static_cast<AP_FrameData*>(m_pData)->m_pDocLayout->getHeight();
int windowHeight = 0;
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(pFrameImpl->m_dArea),&allocation);
if(pFrameImpl->m_dArea) //this isn't guaranteed in AbiCommand
windowHeight = static_cast<int>(pGr->tluD (allocation.height));
int newvalue = ((m_pView) ? m_pView->getYScrollOffset() : 0);
int newmax = height - windowHeight; /* upper - page_size */
if (newmax <= 0)
newvalue = 0;
else if (newvalue > newmax)
newvalue = newmax;
bool bDifferentPosition = false;
UT_sint32 diff = 0;
if(pFrameImpl->m_pVadj) //this isn't guaranteed in AbiCommand
{
bDifferentPosition = (newvalue != static_cast<UT_sint32>(gtk_adjustment_get_value(pFrameImpl->m_pVadj) +0.5));
diff = static_cast<UT_sint32>(gtk_adjustment_get_upper(pFrameImpl->m_pVadj)-
gtk_adjustment_get_page_size(pFrameImpl->m_pVadj) +0.5);
}
if(bDifferentPosition)
{
UT_sint32 iDU = pGr->tdu( static_cast<UT_sint32>(gtk_adjustment_get_value(pFrameImpl->m_pVadj) +0.5) - newvalue);
if(iDU == 0)
{
bDifferentPosition = false;
gtk_adjustment_set_value(pFrameImpl->m_pVadj, static_cast<gdouble>(newvalue));
}
}
bool bDifferentLimits = ((height-windowHeight) != diff);
if (m_pView && (bDifferentPosition || bDifferentLimits))
{
pFrameImpl->_setScrollRange(apufi_scrollY, newvalue, static_cast<gfloat>(height), static_cast<gfloat>(windowHeight));
m_pView->sendVerticalScrollEvent(newvalue,
static_cast<UT_sint32>
(gtk_adjustment_get_upper(pFrameImpl->m_pVadj) -
gtk_adjustment_get_page_size(pFrameImpl->m_pVadj)));
}
}
void AP_UnixFrameImpl::_setScrollRange(apufi_ScrollType scrollType, int iValue, gfloat fUpperLimit, gfloat fSize)
{
GtkAdjustment *pScrollAdjustment = (scrollType == apufi_scrollX) ? m_pHadj : m_pVadj;
GtkWidget *wScrollWidget = (scrollType == apufi_scrollX) ? m_hScroll : m_vScroll;
UT_DEBUGMSG(("Scroll Adjustment set to %d upper %f size %f\n",iValue, fUpperLimit, fSize));
GR_Graphics * pGr = getFrame()->getCurrentView()->getGraphics ();
XAP_Frame::tZoomType tZoom = getFrame()->getZoomType();
if(pScrollAdjustment) //this isn't guaranteed in AbiCommand
{
#if GTK_CHECK_VERSION(2,14,0)
gtk_adjustment_configure(pScrollAdjustment, iValue, 0.0, fUpperLimit,
pGr->tluD(20.0), fSize, fSize);
#else
pScrollAdjustment->value = iValue;
pScrollAdjustment->lower = 0.0;
pScrollAdjustment->upper = fUpperLimit;
pScrollAdjustment->step_increment = pGr->tluD(20.0);
pScrollAdjustment->page_increment = fSize;
pScrollAdjustment->page_size = fSize;
g_signal_emit_by_name(G_OBJECT(pScrollAdjustment), "changed");
#endif
}
// hide the horizontal scrollbar if the scroll range is such that the window can contain it all
// show it otherwise
// Hide the horizontal scrollbar if we've set to page width or fit to page.
// This stops a resizing race condition.
//
if ((m_hScroll == wScrollWidget) && ((fUpperLimit <= fSize) ||( tZoom == XAP_Frame::z_PAGEWIDTH) || (tZoom == XAP_Frame::z_WHOLEPAGE)))
{
gtk_widget_hide(wScrollWidget);
}
else if((wScrollWidget != m_vScroll) || !getFrame()->isMenuScrollHidden())
{
gtk_widget_show(wScrollWidget);
}
}
void AP_UnixFrame::setXScrollRange(void)
{
AP_UnixFrameImpl * pFrameImpl = static_cast<AP_UnixFrameImpl *>(getFrameImpl());
UT_return_if_fail(pFrameImpl);
GR_Graphics * pGr = pFrameImpl->getFrame ()->getCurrentView ()->getGraphics ();
int width = 0;
if(m_pData) //this isn't guaranteed in AbiCommand
width = static_cast<AP_FrameData*>(m_pData)->m_pDocLayout->getWidth();
int windowWidth = 0;
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(pFrameImpl->m_dArea),&allocation);
if(pFrameImpl->m_dArea) //this isn't guaranteed in AbiCommand
windowWidth = static_cast<int>(pGr->tluD (allocation.width));
int newvalue = ((m_pView) ? m_pView->getXScrollOffset() : 0);
int newmax = width - windowWidth; /* upper - page_size */
if (newmax <= 0)
newvalue = 0;
else if (newvalue > newmax)
newvalue = newmax;
bool bDifferentPosition = false;
bool bDifferentLimits = false;
if(pFrameImpl->m_pHadj) //this isn't guaranteed in AbiCommand
{
bDifferentPosition = (newvalue != gtk_adjustment_get_value(pFrameImpl->m_pHadj));
bDifferentLimits = ((width-windowWidth) != gtk_adjustment_get_upper(pFrameImpl->m_pHadj)-
gtk_adjustment_get_page_size(pFrameImpl->m_pHadj));
}
pFrameImpl->_setScrollRange(apufi_scrollX, newvalue, static_cast<gfloat>(width), static_cast<gfloat>(windowWidth));
if (m_pView && (bDifferentPosition || bDifferentLimits))
m_pView->sendHorizontalScrollEvent(newvalue,
static_cast<UT_sint32>
(gtk_adjustment_get_upper(pFrameImpl->m_pHadj)-
gtk_adjustment_get_page_size(pFrameImpl->m_pHadj)));
}