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/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#include <ntqlayout.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <kurlrequester.h>
#include <klineedit.h>
#include <ntqcheckbox.h>
#include <kcolorbutton.h>
#include <tdemessagebox.h>
#include <tdefontrequester.h>
#include "preferencesdlg.h"
#include "preffrontend.h"
#include "prefcolor.h"
#include "preffont.h"
#include "prefopt.h"
#include "kscopeconfig.h"
#include "cscopefrontend.h"
#include "ctagsfrontend.h"
#include "dotfrontend.h"
/**
* Class constructor.
* @param nPage The initial page to show
* @param pParent The parent widget
* @param szName The widget's name
*/
PreferencesDlg::PreferencesDlg(uint nPage, TQWidget* pParent,
const char* szName) :
KDialogBase(IconList, i18n("Preferences"), Default | Ok | Apply | Cancel,
Ok, pParent, szName, 0)
{
TQFrame* pFrame;
TQVBoxLayout* pLayout;
// Create and add the "Frontend" page
pFrame = addPage(i18n("Programmes"),
i18n("Paths to back-end programmes"),
TDEGlobal::iconLoader()->loadIcon("run", TDEIcon::Panel, 0, false));
pLayout = new TQVBoxLayout(pFrame, 0, 0);
m_pPrefFrontend = new PrefFrontend(pFrame);
pLayout->addWidget(m_pPrefFrontend);
// Create and add the "Colours" page
pFrame = addPage(i18n("Colours"), i18n("Window colours"),
TDEGlobal::iconLoader()->loadIcon("colors", TDEIcon::Panel, 0, false));
pLayout = new TQVBoxLayout(pFrame, 0, 0);
m_pPrefColor = new PrefColor(pFrame);
pLayout->addWidget(m_pPrefColor);
// Create and add the "Fonts" page
pFrame = addPage(i18n("Fonts"), i18n("Window fonts"),
TDEGlobal::iconLoader()->loadIcon("fonts", TDEIcon::Panel, 0, false));
pLayout = new TQVBoxLayout(pFrame, 0, 0);
m_pPrefFont = new PrefFont(pFrame);
pLayout->addWidget(m_pPrefFont);
// Create and add the "Options" page
pFrame = addPage(i18n("Options"), i18n("Misc. Options"),
TDEGlobal::iconLoader()->loadIcon("package_settings",
TDEIcon::Panel, 0, false));
pLayout = new TQVBoxLayout(pFrame, 0, 0);
m_pPrefOpt = new PrefOpt(pFrame);
pLayout->addWidget(m_pPrefOpt);
// Make sure the "Apply" button is initially disabled
enableButtonApply(false);
// Enable the "Apply" button when a parameter changes its value
connect(m_pPrefFrontend, SIGNAL(modified()), this,
SLOT(slotModified()));
connect(m_pPrefColor, SIGNAL(modified()), this, SLOT(slotModified()));
connect(m_pPrefFont, SIGNAL(modified()), this, SLOT(slotModified()));
connect(m_pPrefOpt, SIGNAL(modified()), this, SLOT(slotModified()));
// Set the active page
showPage(nPage);
}
/**
* Class destructor.
*/
PreferencesDlg::~PreferencesDlg()
{
}
/**
* Updates the dialog's widgets with the current configuration parameters.
*/
void PreferencesDlg::loadConfig()
{
m_pPrefFrontend->load();
m_pPrefColor->load();
m_pPrefFont->load();
m_pPrefOpt->load();
}
/**
* Sets the configured parameters to the global configuration object.
* This method is called when either the "OK" or the "Apply" button are
* clicked. Before the new settings are applied, their values are verified.
* @return true if the new parameters were applied successfully, false
* otherwise
*/
bool PreferencesDlg::updateConfig()
{
// Verify configured paths lead to the executables
if (!verifyPaths())
return false;
// Apply the changes
m_pPrefFrontend->apply();
m_pPrefColor->apply();
m_pPrefFont->apply();
m_pPrefOpt->apply();
emit applyPref();
return true;
}
/**
* Tests whether the paths set for Cscope and Ctags lead to executables.
* Cscope is verified by a different process.
*/
bool PreferencesDlg::verifyPaths()
{
return (CtagsFrontend::verify(m_pPrefFrontend->m_pCtagsURL->url()) &&
DotFrontend::verify(m_pPrefFrontend->m_pDotURL->url()));
}
/**
* Updates the global configuration based on the values given in the
* preferences dialogue, and then closes the dialogue.
* This function is called after the user clicks the dialogue's "OK" button.
*/
void PreferencesDlg::accept()
{
if (updateConfig())
KDialogBase::accept();
}
/**
* Updates the global configuration based on the values given in the
* preferences dialogue, leaving the dialogue open.
* This function is called after the user clicks the dialogue's "Apply"
* button.
*/
void PreferencesDlg::slotApply()
{
if (updateConfig())
enableButtonApply(false);
}
/**
* Resets all configuration parameters to their default values.
* This slot is called when the user clicks the "Default" button.
*/
void PreferencesDlg::slotDefault()
{
// Prompt the user before applying default values
if (KMessageBox::questionYesNo(0, i18n("This would reset all your "
"configuration settings! Continue?")) == KMessageBox::Yes) {
// Load the default values
Config().loadDefault();
loadConfig();
// Apply the default values
slotApply();
}
}
/**
* Enables the "Apply" button.
*/
void PreferencesDlg::slotModified()
{
enableButtonApply(true);
}
#include "preferencesdlg.moc"
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