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livetrax/gtk2_ardour/color_manager.cc
David Robillard 2e8f80e37a Merged with trunk R1719.
Updated for Jack MIDI SVN branch (required for now).


git-svn-id: svn://localhost/ardour2/branches/midi@1720 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-04-14 18:39:01 +00:00

226 lines
5.4 KiB
C++

/*
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 "color_manager.h"
#include "rgb_macros.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace PBD;
/* 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;
ColorManager::ColorManager()
: ArdourDialog ("ColorManager")
{
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);
get_vbox()->pack_start (scroller);
color_display.signal_button_press_event().connect (mem_fun (*this, &ColorManager::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));
set_size_request (-1, 400);
}
ColorManager::~ColorManager()
{
}
int
ColorManager::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
ColorManager::save (string path)
{
return 0;
}
bool
ColorManager::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;
}