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authorSlávek Banko <slavek.banko@axis.cz>2013-10-07 23:28:24 +0200
committerSlávek Banko <slavek.banko@axis.cz>2013-10-08 05:14:51 +0200
commit3af5832abe7c802a384cd58d34f7cc4433595ced (patch)
treecc300d6fae4cb5798f0cf5db3ece63026f34379a /src/preferencesdlg.cpp
downloadkscope-3af5832abe7c802a384cd58d34f7cc4433595ced.tar.gz
kscope-3af5832abe7c802a384cd58d34f7cc4433595ced.zip
Initial import of kscope 1.6.2
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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 <qlayout.h>
+#include <klocale.h>
+#include <kiconloader.h>
+#include <kurlrequester.h>
+#include <klineedit.h>
+#include <qcheckbox.h>
+#include <kcolorbutton.h>
+#include <kmessagebox.h>
+#include <kfontrequester.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, QWidget* pParent,
+ const char* szName) :
+ KDialogBase(IconList, i18n("Preferences"), Default | Ok | Apply | Cancel,
+ Ok, pParent, szName, 0)
+{
+ QFrame* pFrame;
+ QVBoxLayout* pLayout;
+
+ // Create and add the "Frontend" page
+ pFrame = addPage(i18n("Programmes"),
+ i18n("Paths to back-end programmes"),
+ KGlobal::iconLoader()->loadIcon("run", KIcon::Panel, 0, false));
+ pLayout = new QVBoxLayout(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"),
+ KGlobal::iconLoader()->loadIcon("colors", KIcon::Panel, 0, false));
+ pLayout = new QVBoxLayout(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"),
+ KGlobal::iconLoader()->loadIcon("fonts", KIcon::Panel, 0, false));
+ pLayout = new QVBoxLayout(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"),
+ KGlobal::iconLoader()->loadIcon("package_settings",
+ KIcon::Panel, 0, false));
+ pLayout = new QVBoxLayout(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"