Preference button to clear settings

indra/newview/app_settings/settings.xml

@@ -6402,7 +6402,7 @@
       <key>Type</key>
       <string>Boolean</string>
       <key>Value</key>
-      <integer>1</integer>
+      <integer>0</integer>
     </map>
     <key>FlycamAbsolute</key>
     <map>

indra/newview/llfloaterpreference.cpp

@@ -387,6 +387,7 @@ void LLPreferenceCore::refreshEnabledGraphics()
 
 LLFloaterPreference::LLFloaterPreference()
 {
+	mExitWithoutSaving = false;
 	LLUICtrlFactory::getInstance()->buildFloater(this, "floater_preferences.xml");
 }
 
@@ -532,7 +533,10 @@ void LLFloaterPreference::onBtnApply( void* userdata )
 void LLFloaterPreference::onClose(bool app_quitting)
 {
 	LLPanelLogin::setAlwaysRefresh(false);
-	cancel(); // will be a no-op if OK or apply was performed just prior.
+	if (!mExitWithoutSaving)
+	{
+		cancel(); // will be a no-op if OK or apply was performed just prior.
+	}
 	LLFloater::onClose(app_quitting);
 }
 
@@ -572,3 +576,10 @@ void LLFloaterPreference::switchTab(S32 i)
 {
 	sInstance->mPreferenceCore->getTabContainer()->selectTab(i);
 }
+
+// static
+void LLFloaterPreference::closeWithoutSaving()
+{
+	sInstance->mExitWithoutSaving = true;
+	sInstance->close();
+}

indra/newview/llfloaterpreference.h

@@ -124,6 +124,10 @@ public:
 	
 	static void switchTab(S32 i);
 
+	// *HACK: Close without doing anything.
+	// This is used by the "reset all settings" button.
+	static void closeWithoutSaving();
+
 protected:
 	LLPreferenceCore		*mPreferenceCore;
 
@@ -133,6 +137,7 @@ protected:
 	LLButton	*mOKBtn;
 	LLButton	*mCancelBtn;
 	LLButton	*mApplyBtn;
+	bool		mExitWithoutSaving;
 
 	static void		onClickAbout(void*);
 	static void		onBtnOK(void*);

indra/newview/llpanelgeneral.cpp

@@ -43,6 +43,7 @@
 #include "llviewercontrol.h"
 
 #include "llagent.h"
+#include "llfloaterpreference.h"
 #include "llviewerregion.h"
 #include "llavatarnamecache.h"
 #include "llvoavatar.h"
@@ -109,6 +110,8 @@ BOOL LLPanelGeneral::postBuild()
 	
 	childSetVisible("maturity_desired_combobox", can_choose);
 	childSetVisible("maturity_desired_textbox",	!can_choose);
+
+	childSetAction("clear_settings", &onClickClearSettings, this);
 			
 	return TRUE;
 }
@@ -160,3 +163,44 @@ void LLPanelGeneral::cancel()
 {
 }
 
+// static
+void LLPanelGeneral::onClickClearSettings(void*)
+{
+	if(gAgent.getID().notNull()) {
+		LLNotifications::instance().add("ResetAllSettingsPrompt", LLSD(), LLSD(), &callbackResetAllSettings);
+	}
+	else
+	{
+		LLNotifications::instance().add("ResetSystemSettingsPrompt", LLSD(), LLSD(), &callbackResetAllSettings);
+	}
+}
+
+// static
+void LLPanelGeneral::callbackResetAllSettings(const LLSD& notification, const LLSD& response)
+{
+	S32 option = LLNotification::getSelectedOption(notification, response);
+	if(option != 3) //At least some settings want to be removed
+	{
+		// We probably want to avoid altering this setting, so keep it across the reset.
+		std::string client_settings_file = gSavedSettings.getString("ClientSettingsFile");
+		if(option != 2)
+		{
+			gSavedSettings.resetToDefaults();
+			gSavedSettings.setString("ClientSettingsFile", client_settings_file);
+			gSavedSettings.saveToFile(client_settings_file, TRUE);
+		}
+		
+		// Wipe user-specific settings for good measure and consistency.
+		// Obviously, we can only do this if we're actually logged in.
+		if(gAgent.getID().notNull() && (option != 1))
+		{
+			gSavedPerAccountSettings.resetToDefaults();
+			gSavedPerAccountSettings.saveToFile(gSavedSettings.getString("PerAccountSettingsFile"), TRUE);
+		}
+		LLNotifications::instance().add("ResetSettingsComplete");
+
+		// *HACK: Now close the floater without cancelling or applying.
+		// (the alternative route would be to add a method to every preference panel to handle this and update its UI)
+		LLFloaterPreference::closeWithoutSaving();
+	}
+}

indra/newview/llpanelgeneral.h

@@ -46,6 +46,9 @@ public:
 
 	void apply();
 	void cancel();
+
+	static void LLPanelGeneral::onClickClearSettings(void*);
+	static void callbackResetAllSettings(const LLSD& notification, const LLSD& response);
 };
 
 #endif

indra/newview/skins/default/xui/en-us/notifications.xml

@@ -7032,6 +7032,65 @@ Your shape, skin, hair or eyes might be defect.
 	 yestext="OK"/>
   </notification>
 
+  <notification
+  icon="alertmodal.tga"
+  label="All settings reset"
+  name="ResetSettingsComplete"
+  type="alertmodal">
+    Settings have been reset. You should relog to ensure this takes full effect.
+  </notification>
+
+  <notification
+   icon="alertmodal.tga"
+   label="Reset all settings"
+   name="ResetSystemSettingsPrompt"
+   type="alertmodal">
+    Resetting all settings may be helpful if you are experiencing problems; however, you will need to redo any changes you have made to the default configuration.
+
+    Would you like to reset system settings?
+    <form>
+      <button
+       index="0"
+       name="all"
+       text="OK"/>
+      <button
+       default="true"
+       index="3"
+       name="cancel"
+       text="Cancel"/>
+    </form>
+  </notification>
+
+
+  <notification
+    icon="alertmodal.tga"
+    label="Reset all settings"
+    name="ResetAllSettingsPrompt"
+    type="alertmodal">
+    Resetting all settings may be helpful if you are experiencing problems; however, you will need to redo any changes you have made to the default configuration.
+
+    Which settings would you like to reset?
+    <form>
+      <button
+       index="0"
+       name="all"
+       text="ALL"/>
+      <button
+       index="1"
+       name="system"
+       text="System"/>
+      <button
+       index="2"
+       name="user"
+       text="User"/>
+      <button
+       default="true"
+       index="3"
+       name="cancel"
+       text="Cancel"/>
+    </form>
+  </notification>
+
 
 </notifications>
 

indra/newview/skins/default/xui/en-us/panel_preferences_general.xml

@@ -67,5 +67,6 @@
 		<combo_item name="Alwayssend" value="Always send">Always send</combo_item>
 		<combo_item name="Neversend" value="Never send">Never send</combo_item>
 	</combo_box>
-	<check_box bottom="-385" height="16" initial_value="false" label="Share language with objects" left="101" name="language_is_public" tool_tip="This lets in-world objects know your preferred language."/>
+  <check_box bottom="-385" height="16" initial_value="false" label="Share language with objects" left="101" name="language_is_public" tool_tip="This lets in-world objects know your preferred language."/>
+  <button bottom="-425" height="25" label="Reset All Settings" name="clear_settings" width="200" />
 </panel>