Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 178 insertions, 0 deletions

diff --git a/kalarm/lib/messagebox.cpp b/kalarm/lib/messagebox.cpp
new file mode 100644
index 000000000..514b45bc2
--- /dev/null
+++ b/kalarm/lib/messagebox.cpp
@@ -0,0 +1,178 @@
+/*
+ *  messagebox.cpp  -  enhanced KMessageBox class
+ *  Program:  kalarm
+ *  Copyright (C) 2004 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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 Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "kalarm.h"
+#include <kconfig.h>
+#include "messagebox.h"
+
+
+KConfig* MessageBox::mConfig = 0;
+QMap<QString, KMessageBox::ButtonCode> MessageBox::mContinueDefaults;
+
+
+/******************************************************************************
+* Set the default button for continue/cancel message boxes with the specified
+* 'dontAskAgainName'.
+*/
+void MessageBox::setContinueDefault(const QString& dontAskAgainName, ButtonCode defaultButton)
+{
+	mContinueDefaults[dontAskAgainName] = (defaultButton == Cancel ? Cancel : Continue);
+}
+
+/******************************************************************************
+* Get the default button for continue/cancel message boxes with the specified
+* 'dontAskAgainName'.
+*/
+KMessageBox::ButtonCode MessageBox::getContinueDefault(const QString& dontAskAgainName)
+{
+	ButtonCode defaultButton = Continue;
+	if (!dontAskAgainName.isEmpty())
+	{
+		QMap<QString, ButtonCode>::ConstIterator it = mContinueDefaults.find(dontAskAgainName);
+		if (it != mContinueDefaults.end())
+			defaultButton = it.data();
+	}
+	return defaultButton;
+}
+
+/******************************************************************************
+* Continue/cancel message box.
+* If 'dontAskAgainName' is specified:
+*   1) The message box will only be suppressed if the user chose Continue last time.
+*   2) The default button is that last set with either setContinueDefault() or
+*      warningContinueCancel() for that 'dontAskAgainName' value. If neither method
+*      has set a default button, Continue is the default.
+*/
+int MessageBox::warningContinueCancel(QWidget* parent, const QString& text, const QString& caption,
+                                      const KGuiItem& buttonContinue, const QString& dontAskAgainName)
+{
+	ButtonCode defaultButton = getContinueDefault(dontAskAgainName);
+	return warningContinueCancel(parent, defaultButton, text, caption, buttonContinue, dontAskAgainName);
+}
+
+/******************************************************************************
+* Continue/cancel message box with the option as to which button is the default.
+* If 'dontAskAgainName' is specified, the message box will only be suppressed
+* if the user chose Continue last time.
+*/
+int MessageBox::warningContinueCancel(QWidget* parent, ButtonCode defaultButton, const QString& text,
+                                      const QString& caption, const KGuiItem& buttonContinue,
+                                      const QString& dontAskAgainName)
+{
+	setContinueDefault(dontAskAgainName, defaultButton);
+	if (defaultButton != Cancel)
+		return KMessageBox::warningContinueCancel(parent, text, caption, buttonContinue, dontAskAgainName);
+
+	// Cancel is the default button, so we have to use KMessageBox::warningYesNo()
+	if (!dontAskAgainName.isEmpty())
+	{
+		ButtonCode b;
+		if (!shouldBeShownYesNo(dontAskAgainName, b)
+		&&  b != KMessageBox::Yes)
+		{
+			// Notification has been suppressed, but No (alias Cancel) is the default,
+			// so unsuppress notification.
+			saveDontShowAgain(dontAskAgainName, true, false);
+		}
+	}
+	return warningYesNo(parent, text, caption, buttonContinue, KStdGuiItem::cancel(), dontAskAgainName);
+}
+
+/******************************************************************************
+* If there is no current setting for whether a non-yes/no message box should be
+* shown, set it to 'defaultShow'.
+* If a continue/cancel message box has Cancel as the default button, either
+* setContinueDefault() or warningContinueCancel() must have been called
+* previously to set this for this 'dontShowAgainName' value.
+* Reply = true if 'defaultShow' was written.
+*/
+bool MessageBox::setDefaultShouldBeShownContinue(const QString& dontShowAgainName, bool defaultShow)
+{
+    if (dontShowAgainName.isEmpty())
+		return false;
+	// First check whether there is an existing setting
+	KConfig* config = mConfig ? mConfig : KGlobal::config();
+	config->setGroup(QString::fromLatin1("Notification Messages"));
+	if (config->hasKey(dontShowAgainName))
+		return false;
+
+	// There is no current setting, so write one
+	saveDontShowAgainContinue(dontShowAgainName, !defaultShow);
+	return true;
+}
+
+/******************************************************************************
+* Return whether a non-yes/no message box should be shown.
+* If the message box has Cancel as the default button, either setContinueDefault()
+* or warningContinueCancel() must have been called previously to set this for this
+* 'dontShowAgainName' value.
+*/
+bool MessageBox::shouldBeShownContinue(const QString& dontShowAgainName)
+{
+	if (getContinueDefault(dontShowAgainName) != Cancel)
+		return KMessageBox::shouldBeShownContinue(dontShowAgainName);
+	// Cancel is the default button, so we have to use a yes/no message box
+	ButtonCode b;
+	return shouldBeShownYesNo(dontShowAgainName, b);
+}
+
+
+/******************************************************************************
+* Save whether the yes/no message box should not be shown again.
+* If 'dontShow' is true, the message box will be suppressed and it will return
+* 'result'.
+*/
+void MessageBox::saveDontShowAgainYesNo(const QString& dontShowAgainName, bool dontShow, ButtonCode result)
+{
+	saveDontShowAgain(dontShowAgainName, true, dontShow, (result == Yes ? "yes" : "no"));
+}
+
+/******************************************************************************
+* Save whether a non-yes/no message box should not be shown again.
+* If 'dontShow' is true, the message box will be suppressed and it will return
+* Continue.
+* If the message box has Cancel as the default button, either setContinueDefault()
+* or warningContinueCancel() must have been called previously to set this for this
+* 'dontShowAgainName' value.
+*/
+void MessageBox::saveDontShowAgainContinue(const QString& dontShowAgainName, bool dontShow)
+{
+	if (getContinueDefault(dontShowAgainName) == Cancel)
+		saveDontShowAgainYesNo(dontShowAgainName, dontShow, Yes);
+	else
+		saveDontShowAgain(dontShowAgainName, false, dontShow);
+}
+
+/******************************************************************************
+* Save whether the message box should not be shown again.
+*/
+void MessageBox::saveDontShowAgain(const QString& dontShowAgainName, bool yesno, bool dontShow, const char* yesnoResult)
+{
+	if (dontShowAgainName.isEmpty())
+		return;
+	KConfig* config = mConfig ? mConfig : KGlobal::config();
+	config->setGroup(QString::fromLatin1("Notification Messages"));
+	bool global = (dontShowAgainName[0] == ':');
+	if (yesno)
+		config->writeEntry(dontShowAgainName, QString::fromLatin1(dontShow ? yesnoResult : ""), true, global);
+	else
+		config->writeEntry(dontShowAgainName, !dontShow, true, global);
+	config->sync();
+}