New theme manager, with option to select between dark and light theme. Cleanups to ardours handling of the ui rc file during startup, and changed the monitoring options to be global instead of session specific. More details about the theme stuff comign to ardour-dev

git-svn-id: svn://localhost/ardour2/trunk@1917 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 274 insertions, 0 deletions

diff --git a/gtk2_ardour/theme_manager.cc b/gtk2_ardour/theme_manager.cc
new file mode 100644
index 0000000000..cc6d65a52f
--- /dev/null
+++ b/gtk2_ardour/theme_manager.cc
@@ -0,0 +1,274 @@
+/*
+    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.
+
+*/
+
+#include <cmath>
+#include <iostream>
+#include <fstream>
+#include <errno.h>
+
+#include <gtkmm/stock.h>
+#include <gtkmm2ext/gtk_ui.h>
+#include <gtkmm/settings.h>
+
+#include <ardour/configuration.h>
+
+#include "theme_manager.h"
+#include "rgb_macros.h"
+#include "ardour_ui.h"
+
+#include "i18n.h"
+
+using namespace std;
+using namespace Gtk;
+using namespace PBD;
+using namespace ARDOUR;
+
+/* the global color map */
+
+ColorMap color_map;
+
+/* lookup table of color IDs as strings */
+
+#undef COLORID
+#define COLORID(s) #s,
+static const char *color_id_strs[] = {
+	#include "colors.h"
+};
+#undef COLORID
+
+/* global color change signals */
+
+sigc::signal<void> ColorsChanged;
+sigc::signal<void,ColorID,uint32_t> ColorChanged;
+
+ThemeManager::ThemeManager()
+	: ArdourDialog ("ThemeManager"),
+	dark_button ("Dark Theme"),
+	light_button ("Light Theme")
+{
+	color_list = ListStore::create (columns);
+	color_display.set_model (color_list);
+	color_display.append_column (_("Object"), columns.name);
+	color_display.append_column (_("Color"), columns.color);
+	color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));	
+	color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));	
+	color_display.set_reorderable (false);
+	color_display.get_selection()->set_mode (SELECTION_NONE);
+	color_display.set_headers_visible (true);
+
+	CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
+	TreeViewColumn* color_column = color_display.get_column (1);
+	color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
+	
+	scroller.add (color_display);
+	scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
+	
+	RadioButton::Group group = dark_button.get_group();
+	light_button.set_group(group);
+	theme_selection_hbox.set_homogeneous(false);
+	theme_selection_hbox.pack_start (dark_button);
+	theme_selection_hbox.pack_start (light_button);
+
+	get_vbox()->set_homogeneous(false);
+	get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
+	get_vbox()->pack_start (scroller);
+
+	color_display.signal_button_press_event().connect (mem_fun (*this, &ThemeManager::button_press_event), false);
+
+	color_dialog.get_colorsel()->set_has_opacity_control (true);
+	color_dialog.get_colorsel()->set_has_palette (true);
+
+	color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
+	color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
+	dark_button.signal_clicked().connect (bind (mem_fun (*this, &ThemeManager::load_rc), 1));
+	light_button.signal_clicked().connect (bind (mem_fun (*this, &ThemeManager::load_rc), 2));
+
+	set_size_request (-1, 400);
+}
+
+ThemeManager::~ThemeManager()
+{
+}
+
+int
+ThemeManager::load (string path)
+{
+	ifstream in (path.c_str());
+
+	if (!in) {
+		error << string_compose (_("cannot open color definition file %1: %2"), path, strerror(errno)) << endmsg;
+		return -1;
+	}
+
+	cerr << "Loading color definition file " << path << endl;
+
+	while (in) {
+		string name;
+		double r, g, b, a;
+
+		in >> name; if (!in) break;
+		in >> r; if (!in) break;
+		in >> g; if (!in) break;
+		in >> b; if (!in) break;
+		in >> a; if (!in) break;
+
+		for (uint32_t i = 0; i < sizeof (color_id_strs)/sizeof(color_id_strs[0]); ++i) {
+			if (name == color_id_strs[i]) {
+
+				/* set color map */
+
+				int ir,ig,ib,ia;
+				int rgba;
+
+				ir = (int) floor (r * 255.0);
+				ig = (int) floor (g * 255.0);
+				ib = (int) floor (b * 255.0);
+				ia = (int) floor (a * 255.0);
+				rgba = RGBA_TO_UINT (ir, ig, ib, ia);
+
+				color_map[(ColorID)i] = rgba;
+
+				/* set up list entry */
+
+				Gdk::Color col;
+				col.set_rgb_p (r,g,b);
+
+				TreeModel::Row row = *(color_list->append());
+
+				/* all the color names are prefixed by 'c' to avoid
+				   naming collisions when used as enums. trim
+				   this leading character from the displayed
+				   value.
+				*/
+
+				row[columns.name] = name.substr (1);
+				row[columns.color] = "";
+				row[columns.id] = (ColorID) i;
+				row[columns.gdkcolor] = col;
+				row[columns.rgba] = rgba;
+
+				break;
+			}
+		}
+	}
+	
+	ColorsChanged(); /* emit signal */
+
+	return 0;
+}
+
+int
+ThemeManager::save (string path)
+{
+	return 0;
+}
+
+bool
+ThemeManager::button_press_event (GdkEventButton* ev)
+{
+	TreeIter iter;
+	TreeModel::Path path;
+	TreeViewColumn* column;
+	int cellx;
+	int celly;
+	
+	if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
+		return false;
+	}
+
+	switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
+	case 0:
+		/* allow normal processing to occur */
+		return false;
+
+	case 1: /* color */
+		if ((iter = color_list->get_iter (path))) {
+
+			ColorID edit_color_id = (*iter)[columns.id];
+			int r,g, b, a;
+			uint32_t rgba;
+			Gdk::Color color;
+
+			ResponseType result = (ResponseType) color_dialog.run();
+
+			switch (result) {
+			case RESPONSE_CANCEL:
+				break;
+			case RESPONSE_ACCEPT:
+				color = color_dialog.get_colorsel()->get_current_color(); 
+				a = color_dialog.get_colorsel()->get_current_alpha();
+				r = (int) floor (color.get_red_p() * 255.0);
+				g = (int) floor (color.get_green_p() * 255.0);
+				b = (int) floor (color.get_blue_p() * 255.0);
+
+				rgba = RGBA_TO_UINT(r,g,b,a);
+				
+				(*iter)[columns.rgba] = rgba;
+				(*iter)[columns.gdkcolor] = color;
+
+				color_map[edit_color_id] = rgba;
+
+				ColorChanged (edit_color_id, rgba);
+				break;
+
+			default:
+				break;
+
+			}
+
+			color_dialog.hide ();
+		}
+		return true;
+
+	default:
+		break;
+	}
+
+	return false;
+}
+
+
+void
+ThemeManager::load_rc(int which)
+{
+		
+	if (which == 1) {
+		Config->set_ui_rc_file("ardour2_ui_dark.rc");
+		cerr << "dark theme selected" << endl;
+		
+	} else {
+		Config->set_ui_rc_file("ardour2_ui_light.rc");
+		cerr << "light theme selected" << endl;
+	}
+
+	ThemeChanged(find_config_file(Config->get_ui_rc_file())); //EMIT SIGNAL
+	
+	cerr << "load_rc() called " << find_config_file(Config->get_ui_rc_file()) << endl;
+}
+
+void
+ThemeManager::setup_theme_buttons ()
+{
+	if (Config->get_ui_rc_file() == "ardour2_ui_dark.rc") {
+		dark_button.set_active();
+	} else {
+		light_button.set_active();
+	}
+}
+