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tdebase/kcontrol/kicker/positiontab_impl.cpp

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/*
* Copyright (c) 2000 Matthias Elter <elter@kde.org>
* Copyright (c) 2002 Aaron Seigo <aseigo@olympusproject.org>
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
*/
#include <stdlib.h>
#include <tqbuttongroup.h>
#include <tqcheckbox.h>
#include <tqcombobox.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqslider.h>
#include <tqtooltip.h>
#include <tqtimer.h>
#include <kapplication.h>
#include <kdebug.h>
#include <klocale.h>
#include <knuminput.h>
#include <kpanelextension.h>
#include <kpixmap.h>
#include <kstandarddirs.h>
#include <kwin.h>
#include "main.h"
#include "../background/bgrender.h"
#include "positiontab_impl.h"
#include "positiontab_impl.moc"
// magic numbers for the preview widget layout
extern const int offsetX = 23;
extern const int offsetY = 14;
extern const int maxX = 150;
extern const int maxY = 114;
extern const int margin = 1;
PositionTab::PositionTab(TQWidget *parent, const char* name)
: PositionTabBase(parent, name),
m_pretendPanel(0),
m_desktopPreview(0),
m_panelInfo(0),
m_panelPos(PosBottom),
m_panelAlign(AlignLeft)
{
TQPixmap monitor(locate("data", "kcontrol/pics/monitor.png"));
m_monitorImage->setPixmap(monitor);
m_monitorImage->setFixedSize(m_monitorImage->sizeHint());
m_pretendDesktop = new TQWidget(m_monitorImage, "pretendBG");
m_pretendDesktop->setGeometry(offsetX, offsetY, maxX, maxY);
m_pretendPanel = new TQFrame(m_monitorImage, "pretendPanel");
m_pretendPanel->setGeometry(offsetX + margin, maxY + offsetY - 10,
maxX - margin, 10 - margin);
m_pretendPanel->setFrameShape(TQFrame::MenuBarPanel);
/*
* set the tooltips on the buttons properly for RTL langs
*/
if (kapp->reverseLayout())
{
TQToolTip::add(locationTopRight, i18n("Top left"));
TQToolTip::add(locationTop, i18n("Top center"));
TQToolTip::add(locationTopLeft, i18n("Top right" ) );
TQToolTip::add(locationRightTop, i18n("Left top"));
TQToolTip::add(locationRight, i18n("Left center"));
TQToolTip::add(locationRightBottom, i18n("Left bottom"));
TQToolTip::add(locationBottomRight, i18n("Bottom left"));
TQToolTip::add(locationBottom, i18n("Bottom center"));
TQToolTip::add(locationBottomLeft, i18n("Bottom right"));
TQToolTip::add(locationLeftTop, i18n("Right top"));
TQToolTip::add(locationLeft, i18n("Right center"));
TQToolTip::add(locationLeftBottom, i18n("Right bottom"));
}
else
{
TQToolTip::add(locationTopLeft, i18n("Top left"));
TQToolTip::add(locationTop, i18n("Top center"));
TQToolTip::add(locationTopRight, i18n("Top right" ) );
TQToolTip::add(locationLeftTop, i18n("Left top"));
TQToolTip::add(locationLeft, i18n("Left center"));
TQToolTip::add(locationLeftBottom, i18n("Left bottom"));
TQToolTip::add(locationBottomLeft, i18n("Bottom left"));
TQToolTip::add(locationBottom, i18n("Bottom center"));
TQToolTip::add(locationBottomRight, i18n("Bottom right"));
TQToolTip::add(locationRightTop, i18n("Right top"));
TQToolTip::add(locationRight, i18n("Right center"));
TQToolTip::add(locationRightBottom, i18n("Right bottom"));
}
// connections
connect(m_locationGroup, TQT_SIGNAL(clicked(int)), TQT_SIGNAL(changed()));
connect(m_xineramaScreenComboBox, TQT_SIGNAL(highlighted(int)), TQT_SIGNAL(changed()));
connect(m_identifyButton,TQT_SIGNAL(clicked()),TQT_SLOT(showIdentify()));
for(int s=0; s < TQApplication::desktop()->numScreens(); s++)
{ /* populate the combobox for the available screens */
m_xineramaScreenComboBox->insertItem(TQString::number(s+1));
}
m_xineramaScreenComboBox->insertItem(i18n("All Screens"));
// hide the xinerama chooser widgets if there is no need for them
if (TQApplication::desktop()->numScreens() < 2)
{
m_identifyButton->hide();
m_xineramaScreenComboBox->hide();
m_xineramaScreenLabel->hide();
}
connect(m_percentSlider, TQT_SIGNAL(valueChanged(int)), TQT_SIGNAL(changed()));
connect(m_percentSpinBox, TQT_SIGNAL(valueChanged(int)), TQT_SIGNAL(changed()));
connect(m_expandCheckBox, TQT_SIGNAL(clicked()), TQT_SIGNAL(changed()));
connect(m_sizeGroup, TQT_SIGNAL(clicked(int)), TQT_SIGNAL(changed()));
connect(m_customSlider, TQT_SIGNAL(valueChanged(int)), TQT_SIGNAL(changed()));
connect(m_customSpinbox, TQT_SIGNAL(valueChanged(int)), TQT_SIGNAL(changed()));
m_desktopPreview = new KVirtualBGRenderer(0);
connect(m_desktopPreview, TQT_SIGNAL(imageDone(int)),
TQT_SLOT(slotBGPreviewReady(int)));
connect(KickerConfig::the(), TQT_SIGNAL(extensionInfoChanged()),
TQT_SLOT(infoUpdated()));
connect(KickerConfig::the(), TQT_SIGNAL(extensionAdded(ExtensionInfo*)),
TQT_SLOT(extensionAdded(ExtensionInfo*)));
connect(KickerConfig::the(), TQT_SIGNAL(extensionRemoved(ExtensionInfo*)),
TQT_SLOT(extensionRemoved(ExtensionInfo*)));
connect(KickerConfig::the(), TQT_SIGNAL(extensionChanged(const TQString&)),
TQT_SLOT(extensionChanged(const TQString&)));
connect(KickerConfig::the(), TQT_SIGNAL(extensionAboutToChange(const TQString&)),
TQT_SLOT(extensionAboutToChange(const TQString&)));
// position tab tells hiding tab about extension selections and vice versa
connect(KickerConfig::the(), TQT_SIGNAL(hidingPanelChanged(int)),
TQT_SLOT(jumpToPanel(int)));
connect(m_panelList, TQT_SIGNAL(activated(int)),
KickerConfig::the(), TQT_SIGNAL(positionPanelChanged(int)));
connect(m_panelSize, TQT_SIGNAL(activated(int)),
TQT_SLOT(sizeChanged(int)));
connect(m_panelSize, TQT_SIGNAL(activated(int)),
TQT_SIGNAL(changed()));
}
PositionTab::~PositionTab()
{
delete m_desktopPreview;
}
void PositionTab::load()
{
m_panelInfo = 0;
KickerConfig::the()->populateExtensionInfoList(m_panelList);
m_panelsGroupBox->setHidden(m_panelList->count() < 2);
switchPanel(KickerConfig::the()->currentPanelIndex());
m_desktopPreview->setPreview(m_pretendDesktop->size());
m_desktopPreview->start();
}
void PositionTab::extensionAdded(ExtensionInfo* info)
{
m_panelList->insertItem(info->_name);
m_panelsGroupBox->setHidden(m_panelList->count() < 2);
}
void PositionTab::save()
{
storeInfo();
KickerConfig::the()->saveExtentionInfo();
}
void PositionTab::defaults()
{
m_panelPos= PosBottom; // bottom of the screen
m_percentSlider->setValue( 100 ); // use all space available
m_percentSpinBox->setValue( 100 ); // use all space available
m_expandCheckBox->setChecked( true ); // expand as required
m_xineramaScreenComboBox->setCurrentItem(TQApplication::desktop()->primaryScreen());
if (TQApplication::reverseLayout())
{
// RTL lang aligns right
m_panelAlign = AlignRight;
}
else
{
// everyone else aligns left
m_panelAlign = AlignLeft;
}
m_panelSize->setCurrentItem(KPanelExtension::SizeSmall);
// update the magic drawing
lengthenPanel(-1);
switchPanel(KickerConfig::the()->currentPanelIndex());
}
void PositionTab::sizeChanged(int which)
{
bool custom = which == KPanelExtension::SizeCustom;
m_customSlider->setEnabled(custom);
m_customSpinbox->setEnabled(custom);
}
void PositionTab::movePanel(int whichButton)
{
TQPushButton* pushed = reinterpret_cast<TQPushButton*>(m_locationGroup->find(whichButton));
if (pushed == locationTopLeft)
{
if (!(m_panelInfo->_allowedPosition[PosTop]))
{
setPositionButtons();
return;
}
m_panelAlign = kapp->reverseLayout() ? AlignRight : AlignLeft;
m_panelPos = PosTop;
}
else if (pushed == locationTop)
{
if (!(m_panelInfo->_allowedPosition[PosTop]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignCenter;
m_panelPos = PosTop;
}
else if (pushed == locationTopRight)
{
if (!(m_panelInfo->_allowedPosition[PosTop]))
{
setPositionButtons();
return;
}
m_panelAlign = kapp->reverseLayout() ? AlignLeft : AlignRight;
m_panelPos = PosTop;
}
else if (pushed == locationLeftTop)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosRight : PosLeft]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignLeft;
m_panelPos = kapp->reverseLayout() ? PosRight : PosLeft;
}
else if (pushed == locationLeft)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosRight : PosLeft]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignCenter;
m_panelPos = kapp->reverseLayout() ? PosRight : PosLeft;
}
else if (pushed == locationLeftBottom)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosRight : PosLeft]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignRight;
m_panelPos = kapp->reverseLayout() ? PosRight : PosLeft;
}
else if (pushed == locationBottomLeft)
{
if (!(m_panelInfo->_allowedPosition[PosBottom]))
{
setPositionButtons();
return;
}
m_panelAlign = kapp->reverseLayout() ? AlignRight : AlignLeft;
m_panelPos = PosBottom;
}
else if (pushed == locationBottom)
{
if (!(m_panelInfo->_allowedPosition[PosBottom]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignCenter;
m_panelPos = PosBottom;
}
else if (pushed == locationBottomRight)
{
if (!(m_panelInfo->_allowedPosition[PosBottom]))
{
setPositionButtons();
return;
}
m_panelAlign = kapp->reverseLayout() ? AlignLeft : AlignRight;
m_panelPos = PosBottom;
}
else if (pushed == locationRightTop)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosLeft : PosRight]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignLeft;
m_panelPos = kapp->reverseLayout() ? PosLeft : PosRight;
}
else if (pushed == locationRight)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosLeft : PosRight]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignCenter;
m_panelPos = kapp->reverseLayout() ? PosLeft : PosRight;
}
else if (pushed == locationRightBottom)
{
if (!(m_panelInfo->_allowedPosition[kapp->reverseLayout() ? PosLeft : PosRight]))
{
setPositionButtons();
return;
}
m_panelAlign = AlignRight;
m_panelPos = kapp->reverseLayout() ? PosLeft : PosRight;
}
lengthenPanel(-1);
emit panelPositionChanged(m_panelPos);
}
void PositionTab::lengthenPanel(int sizePercent)
{
if (sizePercent < 0)
{
sizePercent = m_percentSlider->value();
}
unsigned int x(0), y(0), x2(0), y2(0);
unsigned int diff = 0;
unsigned int panelSize = 4;
switch (m_panelSize->currentItem())
{
case KPanelExtension::SizeTiny:
case KPanelExtension::SizeSmall:
panelSize = panelSize * 3 / 2;
break;
case KPanelExtension::SizeNormal:
panelSize *= 2;
break;
case KPanelExtension::SizeLarge:
panelSize = panelSize * 5 / 2;
break;
default:
panelSize = panelSize * m_customSlider->value() / 24;
break;
}
switch (m_panelPos)
{
case PosTop:
x = offsetX + margin;
x2 = maxX - margin;
y = offsetY + margin;
y2 = panelSize;
diff = x2 - ((x2 * sizePercent) / 100);
if (m_panelAlign == AlignLeft)
{
x2 -= diff;
}
else if (m_panelAlign == AlignCenter)
{
x += diff / 2;
x2 -= diff;
}
else // m_panelAlign == AlignRight
{
x += diff;
x2 -= diff;
}
break;
case PosLeft:
x = offsetX + margin;
x2 = panelSize;
y = offsetY + margin;
y2 = maxY - margin;
diff = y2 - ((y2 * sizePercent) / 100);
if (m_panelAlign == AlignLeft)
{
y2 -= diff;
}
else if (m_panelAlign == AlignCenter)
{
y += diff / 2;
y2 -= diff;
}
else // m_panelAlign == AlignRight
{
y += diff;
y2 -= diff;
}
break;
case PosBottom:
x = offsetX + margin;
x2 = maxX - margin;
y = offsetY + maxY - panelSize;
y2 = panelSize;
diff = x2 - ((x2 * sizePercent) / 100);
if (m_panelAlign == AlignLeft)
{
x2 -= diff;
}
else if (m_panelAlign == AlignCenter)
{
x += diff / 2;
x2 -= diff;
}
else // m_panelAlign == AlignRight
{
x += diff;
x2 -= diff;
}
break;
default: // case PosRight:
x = offsetX + maxX - panelSize;
x2 = panelSize;
y = offsetY + margin;
y2 = maxY - margin;
diff = y2 - ((y2 * sizePercent) / 100);
if (m_panelAlign == AlignLeft)
{
y2 -= diff;
}
else if (m_panelAlign == AlignCenter)
{
y += diff / 2;
y2 -= diff;
}
else // m_panelAlign == AlignRight
{
y += diff;
y2 -= diff;
}
break;
}
if (x2 < 3)
{
x2 = 3;
}
if (y2 < 3)
{
y2 = 3;
}
m_pretendPanel->setGeometry(x, y, x2, y2);
}
void PositionTab::panelDimensionsChanged()
{
lengthenPanel(-1);
}
void PositionTab::slotBGPreviewReady(int)
{
m_pretendDesktop->setBackgroundPixmap(m_desktopPreview->pixmap());
#if 0
KPixmap pm;
if (TQPixmap::defaultDepth() < 15)
{
pm.convertFromImage(*m_desktopPreview->image(), KPixmap::LowColor);
}
else
{
pm.convertFromImage(*m_desktopPreview->image());
}
m_pretendDesktop->setBackgroundPixmap(pm);
#endif
}
void PositionTab::switchPanel(int panelItem)
{
blockSignals(true);
ExtensionInfo* panelInfo = (KickerConfig::the()->extensionsInfo())[panelItem];
if (!panelInfo)
{
m_panelList->setCurrentItem(0);
panelInfo = (KickerConfig::the()->extensionsInfo())[panelItem];
if (!panelInfo)
{
return;
}
}
if (m_panelInfo)
{
storeInfo();
}
m_panelInfo = panelInfo;
// because this changes when panels come and go, we have
// to be overly pedantic and remove the custom item every time and
// decide to add it back again, or not
m_panelSize->removeItem(KPanelExtension::SizeCustom);
if (m_panelInfo->_customSizeMin != m_panelInfo->_customSizeMax)
{
m_panelSize->insertItem(i18n("Custom"), KPanelExtension::SizeCustom);
}
if (m_panelInfo->_size >= KPanelExtension::SizeCustom ||
(!m_panelInfo->_useStdSizes &&
m_panelInfo->_customSizeMin != m_panelInfo->_customSizeMax)) // compat
{
m_panelSize->setCurrentItem(KPanelExtension::SizeCustom);
sizeChanged(KPanelExtension::SizeCustom);
}
else
{
m_panelSize->setCurrentItem(m_panelInfo->_size);
sizeChanged(0);
}
m_panelSize->setEnabled(m_panelInfo->_useStdSizes);
m_customSlider->setMinValue(m_panelInfo->_customSizeMin);
m_customSlider->setMaxValue(m_panelInfo->_customSizeMax);
m_customSlider->setTickInterval(m_panelInfo->_customSizeMax / 6);
m_customSlider->setValue(m_panelInfo->_customSize);
m_customSpinbox->setMinValue(m_panelInfo->_customSizeMin);
m_customSpinbox->setMaxValue(m_panelInfo->_customSizeMax);
m_customSpinbox->setValue(m_panelInfo->_customSize);
m_sizeGroup->setEnabled(m_panelInfo->_resizeable);
m_panelPos = m_panelInfo->_position;
m_panelAlign = m_panelInfo->_alignment;
if(m_panelInfo->_xineramaScreen >= 0 && m_panelInfo->_xineramaScreen < TQApplication::desktop()->numScreens())
m_xineramaScreenComboBox->setCurrentItem(m_panelInfo->_xineramaScreen);
else if(m_panelInfo->_xineramaScreen == -2) /* the All Screens option: qt uses -1 for default, so -2 for all */
m_xineramaScreenComboBox->setCurrentItem(m_xineramaScreenComboBox->count()-1);
else
m_xineramaScreenComboBox->setCurrentItem(TQApplication::desktop()->primaryScreen());
setPositionButtons();
m_percentSlider->setValue(m_panelInfo->_sizePercentage);
m_percentSpinBox->setValue(m_panelInfo->_sizePercentage);
m_expandCheckBox->setChecked(m_panelInfo->_expandSize);
lengthenPanel(m_panelInfo->_sizePercentage);
blockSignals(false);
}
void PositionTab::setPositionButtons() {
if (m_panelPos == PosTop)
{
if (m_panelAlign == AlignLeft)
kapp->reverseLayout() ? locationTopRight->setOn(true) :
locationTopLeft->setOn(true);
else if (m_panelAlign == AlignCenter)
locationTop->setOn(true);
else // if (m_panelAlign == AlignRight
kapp->reverseLayout() ? locationTopLeft->setOn(true) :
locationTopRight->setOn(true);
}
else if (m_panelPos == PosRight)
{
if (m_panelAlign == AlignLeft)
kapp->reverseLayout() ? locationLeftTop->setOn(true) :
locationRightTop->setOn(true);
else if (m_panelAlign == AlignCenter)
kapp->reverseLayout() ? locationLeft->setOn(true) :
locationRight->setOn(true);
else // if (m_panelAlign == AlignRight
kapp->reverseLayout() ? locationLeftBottom->setOn(true) :
locationRightBottom->setOn(true);
}
else if (m_panelPos == PosBottom)
{
if (m_panelAlign == AlignLeft)
kapp->reverseLayout() ? locationBottomRight->setOn(true) :
locationBottomLeft->setOn(true);
else if (m_panelAlign == AlignCenter)
locationBottom->setOn(true);
else // if (m_panelAlign == AlignRight
kapp->reverseLayout() ? locationBottomLeft->setOn(true) :
locationBottomRight->setOn(true);
}
else // if (m_panelPos == PosLeft
{
if (m_panelAlign == AlignLeft)
kapp->reverseLayout() ? locationRightTop->setOn(true) :
locationLeftTop->setOn(true);
else if (m_panelAlign == AlignCenter)
kapp->reverseLayout() ? locationRight->setOn(true) :
locationLeft->setOn(true);
else // if (m_panelAlign == AlignRight
kapp->reverseLayout() ? locationRightBottom->setOn(true) :
locationLeftBottom->setOn(true);
}
}
void PositionTab::infoUpdated()
{
switchPanel(0);
}
void PositionTab::extensionAboutToChange(const TQString& configPath)
{
ExtensionInfo* extension = (KickerConfig::the()->extensionsInfo())[m_panelList->currentItem()];
if (extension && extension->_configPath == configPath)
{
storeInfo();
}
}
void PositionTab::extensionChanged(const TQString& configPath)
{
ExtensionInfo* extension = (KickerConfig::the()->extensionsInfo())[m_panelList->currentItem()];
if (extension && extension->_configPath == configPath)
{
m_panelInfo = 0;
switchPanel(m_panelList->currentItem());
}
}
void PositionTab::storeInfo()
{
if (!m_panelInfo)
{
return;
}
// Magic numbers stolen from kdebase/kicker/core/global.cpp
// PGlobal::sizeValue()
if (m_panelSize->currentItem() < KPanelExtension::SizeCustom)
{
m_panelInfo->_size = m_panelSize->currentItem();
}
else
{
m_panelInfo->_size = KPanelExtension::SizeCustom;
m_panelInfo->_customSize = m_customSlider->value();
}
m_panelInfo->_position = m_panelPos;
m_panelInfo->_alignment = m_panelAlign;
if(m_xineramaScreenComboBox->currentItem() == m_xineramaScreenComboBox->count()-1)
m_panelInfo->_xineramaScreen = -2; /* all screens */
else
m_panelInfo->_xineramaScreen = m_xineramaScreenComboBox->currentItem();
m_panelInfo->_sizePercentage = m_percentSlider->value();
m_panelInfo->_expandSize = m_expandCheckBox->isChecked();
}
void PositionTab::showIdentify()
{
for(int s=0; s < TQApplication::desktop()->numScreens();s++)
{
TQLabel *screenLabel = new TQLabel(0,"Screen Identify", WDestructiveClose | WStyle_Customize | WX11BypassWM );
TQFont identifyFont(KGlobalSettings::generalFont());
identifyFont.setPixelSize(100);
screenLabel->setFont(identifyFont);
screenLabel->setFrameStyle(TQFrame::Panel);
screenLabel->setFrameShadow(TQFrame::Plain);
screenLabel->setAlignment(Qt::AlignCenter);
screenLabel->setNum(s + 1);
// BUGLET: we should not allow the identification to be entered again
// until the timer fires.
TQTimer::singleShot(1500, screenLabel, TQT_SLOT(close()));
TQPoint screenCenter(TQApplication::desktop()->screenGeometry(s).center());
TQRect targetGeometry(TQPoint(0,0),screenLabel->sizeHint());
targetGeometry.moveCenter(screenCenter);
screenLabel->setGeometry(targetGeometry);
screenLabel->show();
}
}
void PositionTab::extensionRemoved(ExtensionInfo* info)
{
int count = m_panelList->count();
int extensionCount = KickerConfig::the()->extensionsInfo().count();
int index = 0;
for (; index < count && index < extensionCount; ++index)
{
if (KickerConfig::the()->extensionsInfo()[index] == info)
{
break;
}
}
bool isCurrentlySelected = index == m_panelList->currentItem();
m_panelList->removeItem(index);
m_panelsGroupBox->setHidden(m_panelList->count() < 2);
if (isCurrentlySelected)
{
m_panelList->setCurrentItem(0);
}
}
void PositionTab::jumpToPanel(int index)
{
m_panelList->setCurrentItem(index);
switchPanel(index);
}
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