Moved canvas colors and theme file selection into new ui specific config system, added rest of the files

git-svn-id: svn://localhost/ardour2/trunk@2087 d708f5d6-7413-0410-9779-e7cbd77b26cf

2 files changed, 376 insertions, 0 deletions

diff --git a/gtk2_ardour/ui_config.cc b/gtk2_ardour/ui_config.cc
new file mode 100644
index 0000000000..34f176f73a
--- /dev/null
+++ b/gtk2_ardour/ui_config.cc
@@ -0,0 +1,242 @@
+/*
+    Copyright (C) 1999-2006 Paul Davis 
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <unistd.h>
+#include <cstdio> /* for snprintf, grrr */
+
+#include <pbd/failed_constructor.h>
+#include <pbd/xml++.h>
+#include <pbd/filesystem.h>
+#include <pbd/file_utils.h>
+#include <pbd/error.h>
+
+#include <ardour/ardour.h>
+#include <ardour/filesystem_paths.h>
+
+#include "ui_config.h"
+
+#include "i18n.h"
+
+using namespace std;
+using namespace PBD;
+using namespace ARDOUR;
+
+UIConfiguration::UIConfiguration ()
+	:
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+#define UI_CONFIG_VARIABLE(Type,var,name,val) var (name,val),
+#define CANVAS_VARIABLE(var,name) var (name),
+#include "ui_config_vars.h"
+#include "canvas_vars.h"
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+	hack(true)
+{
+	load_state();
+}
+
+UIConfiguration::~UIConfiguration ()
+{
+}
+
+int
+UIConfiguration::load_state ()
+{
+	bool found = false;
+
+	sys::path default_ui_rc_file;
+	
+	if ( find_file_in_search_path (ardour_search_path() + system_config_search_path(),
+			"ardour2_ui_default.conf", default_ui_rc_file) )
+	{
+		XMLTree tree;
+		found = true;
+
+		string rcfile = default_ui_rc_file.to_string();
+
+		cerr << string_compose (_("loading default ui configuration file %1"), rcfile) << endl;
+		
+		if (!tree.read (rcfile.c_str())) {
+			error << string_compose(_("Ardour: cannot read default ui configuration file \"%1\""), rcfile) << endmsg;
+			return -1;
+		}
+
+		if (set_state (*tree.root())) {
+			error << string_compose(_("Ardour: default ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
+			return -1;
+		}
+	}
+
+	sys::path user_ui_rc_file;
+
+	if (find_file_in_search_path (ardour_search_path() + user_config_directory(),
+			"ardour2_ui.conf", user_ui_rc_file))
+	{
+		XMLTree tree;
+		found = true;
+	
+		string rcfile = user_ui_rc_file.to_string();
+
+		cerr << string_compose (_("loading user ui configuration file %1"), rcfile) << endl;
+
+		if (!tree.read (rcfile)) {
+			error << string_compose(_("Ardour: cannot read ui configuration file \"%1\""), rcfile) << endmsg;
+			return -1;
+		}
+
+		if (set_state (*tree.root())) {
+			error << string_compose(_("Ardour: user ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
+			return -1;
+		}
+	}
+
+	if (!found)
+		error << "Ardour: could not find any ui configuration file, canvas will look broken." << endmsg;
+
+	pack_canvasvars();
+	return 0;
+}
+
+int
+UIConfiguration::save_state()
+{
+	XMLTree tree;
+
+	try
+	{
+		sys::create_directories (user_config_directory ());
+	}
+	catch (const sys::filesystem_error& ex)
+	{
+		error << "Could not create user configuration directory" << endmsg;
+		return -1;
+	}
+	
+	sys::path rcfile_path(user_config_directory());
+
+	rcfile_path /= "ardour2_ui.conf";
+	const string rcfile = rcfile_path.to_string();
+
+	// this test seems bogus?
+	if (rcfile.length()) {
+		tree.set_root (&get_state());
+		if (!tree.write (rcfile.c_str())){
+			error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg;
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+XMLNode&
+UIConfiguration::get_state ()
+{
+	XMLNode* root;
+	LocaleGuard lg (X_("POSIX"));
+
+	root = new XMLNode("Ardour");
+	
+	root->add_child_nocopy (get_variables ("UI"));
+	root->add_child_nocopy (get_variables ("Canvas"));
+	
+	if (_extra_xml) {
+		root->add_child_copy (*_extra_xml);
+	}
+	
+	return *root;
+}
+
+XMLNode&
+UIConfiguration::get_variables (std::string which_node)
+{
+	XMLNode* node;
+	LocaleGuard lg (X_("POSIX"));
+
+	node = new XMLNode(which_node);
+
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+#define UI_CONFIG_VARIABLE(Type,var,Name,value) if (node->name() == "UI") { var.add_to_node (*node); }
+#define CANVAS_VARIABLE(var,Name) if (node->name() == "Canvas") { var.add_to_node (*node); }
+#include "ui_config_vars.h"
+#include "canvas_vars.h"
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+
+	return *node;
+}
+
+int
+UIConfiguration::set_state (const XMLNode& root)
+{
+	if (root.name() != "Ardour") {
+		return -1;
+	}
+
+	XMLNodeList nlist = root.children();
+	XMLNodeConstIterator niter;
+	XMLNode *node;
+
+	for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+
+		node = *niter;
+		if (node->name() == "Canvas" ||  node->name() == "UI") {
+			set_variables (*node);
+
+		} else if (node->name() == "extra") {
+			_extra_xml = new XMLNode (*node);
+
+		}
+	}
+	return 0;
+}
+
+void
+UIConfiguration::set_variables (const XMLNode& node)
+{
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+#define UI_CONFIG_VARIABLE(Type,var,name,val) \
+         if (var.set_from_node (node)) { \
+		 ParameterChanged (name); \
+		 }
+#define CANVAS_VARIABLE(var,name) \
+         if (var.set_from_node (node)) { \
+		 ParameterChanged (name); \
+		 }
+#include "ui_config_vars.h"
+#include "canvas_vars.h"
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+}
+
+void
+UIConfiguration::pack_canvasvars ()
+{
+#undef  CANVAS_VARIABLE
+#define CANVAS_VARIABLE(var,name) canvas_colors.push_back(&var); 
+#include "canvas_vars.h"
+#undef  CANVAS_VARIABLE
+	cerr << "Configuration::pack_canvasvars () called, canvas_colors.size() = " << canvas_colors.size() << endl;
+	
+}
+
+
diff --git a/gtk2_ardour/ui_config.h b/gtk2_ardour/ui_config.h
new file mode 100644
index 0000000000..c44ad25a18
--- /dev/null
+++ b/gtk2_ardour/ui_config.h
@@ -0,0 +1,134 @@
+/*
+    Copyright (C) 2000-2007 Paul Davis 
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_ui_configuration_h__
+#define __ardour_ui_configuration_h__
+
+#include <sstream>
+#include <ostream>
+#include <iostream>
+
+#include <pbd/stateful.h> 
+#include <pbd/xml++.h>
+
+template<class T>
+class UIConfigVariable 
+{
+  public:
+	UIConfigVariable (std::string str) : _name (str) {}
+	UIConfigVariable (std::string str, T val) : _name (str), value(val) {}
+
+	std::string name() const { return _name; }
+
+	bool set (T val) {
+		if (val == value) {
+			return false;
+		}
+		value = val;
+		return true;
+	}
+
+	T get() const {
+		return value;
+	}
+
+	void add_to_node (XMLNode& node) {
+		std::stringstream ss;
+		ss << std::hex;
+		ss.fill('0');
+		ss.width(8);
+		ss << value;
+		XMLNode* child = new XMLNode ("Option");
+		child->add_property ("name", _name);
+		child->add_property ("value", ss.str());
+		node.add_child_nocopy (*child);
+	}
+	
+	bool set_from_node (const XMLNode& node) {
+
+		const XMLProperty* prop;
+		XMLNodeList nlist;
+		XMLNodeConstIterator niter;
+		XMLNode* child;
+			
+		nlist = node.children();
+			
+		for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+				
+			child = *niter;
+				
+			if (child->name() == "Option") {
+				if ((prop = child->property ("name")) != 0) {
+					if (prop->value() == _name) {
+						if ((prop = child->property ("value")) != 0) {
+							std::stringstream ss;
+							ss << std::hex;
+							ss << prop->value();
+							ss >> value;
+
+							return true;
+						}
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+  protected:
+	T get_for_save() { return value; }
+	T value;
+	std::string _name;
+};
+
+class UIConfiguration : public PBD::Stateful
+{
+  public:
+	UIConfiguration();
+	~UIConfiguration();
+
+	std::vector<UIConfigVariable<uint32_t> *> canvas_colors;
+
+	int load_state ();
+	int save_state ();
+
+	int set_state (const XMLNode&);
+	XMLNode& get_state (void);
+	XMLNode& get_variables (std::string);
+	void set_variables (const XMLNode&);
+	void pack_canvasvars ();
+
+	sigc::signal<void,const char*> ParameterChanged;
+
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+#define UI_CONFIG_VARIABLE(Type,var,name,val) UIConfigVariable<Type> var;
+#define CANVAS_VARIABLE(var,name) UIConfigVariable<uint32_t> var;
+#include "ui_config_vars.h"
+#include "canvas_vars.h"
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+
+  private:
+	XMLNode& state ();
+	bool hack;
+};
+
+#endif /* __ardour_ui_configuration_h__ */
+