add QMDSP library to ardev file so that its discoverable as we try to load VAMP stuff
[ardour.git] / gtk2_ardour / theme_manager.cc
1 /*
2     Copyright (C) 2000-2007 Paul Davis
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #include <cmath>
21 #include <iostream>
22 #include <fstream>
23 #include <errno.h>
24
25 #include <gtkmm/stock.h>
26 #include <gtkmm2ext/gtk_ui.h>
27 #include <gtkmm/settings.h>
28
29 #include "pbd/file_utils.h"
30
31 #include "ardour/configuration.h"
32 #include "ardour/filesystem_paths.h"
33 #include "ardour/profile.h"
34
35 #include "theme_manager.h"
36 #include "rgb_macros.h"
37 #include "ardour_ui.h"
38 #include "global_signals.h"
39
40 #include "i18n.h"
41
42 using namespace std;
43 using namespace Gtk;
44 using namespace PBD;
45 using namespace ARDOUR;
46
47
48 sigc::signal<void> ColorsChanged;
49 sigc::signal<void,uint32_t> ColorChanged;
50
51 ThemeManager::ThemeManager()
52         : ArdourDialog (_("Theme Manager")),
53           dark_button (_("Dark Theme")),
54           light_button (_("Light Theme")),
55           reset_button (_("Restore Defaults"))
56 {
57         set_title (_("Theme Manager"));
58
59         color_list = ListStore::create (columns);
60         color_display.set_model (color_list);
61         color_display.append_column (_("Object"), columns.name);
62         color_display.append_column (_("Color"), columns.color);
63         color_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
64         color_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
65         color_display.set_reorderable (false);
66         color_display.get_selection()->set_mode (SELECTION_NONE);
67         color_display.set_headers_visible (true);
68
69         CellRenderer* color_cell = color_display.get_column_cell_renderer (1);
70         TreeViewColumn* color_column = color_display.get_column (1);
71         color_column->add_attribute (color_cell->property_cell_background_gdk(), columns.gdkcolor);
72
73         scroller.add (color_display);
74         scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
75
76         RadioButton::Group group = dark_button.get_group();
77         light_button.set_group(group);
78         theme_selection_hbox.set_homogeneous(false);
79         theme_selection_hbox.pack_start (dark_button);
80         theme_selection_hbox.pack_start (light_button);
81
82         get_vbox()->set_homogeneous(false);
83         get_vbox()->pack_start (theme_selection_hbox, PACK_SHRINK);
84         get_vbox()->pack_start (reset_button, PACK_SHRINK);
85         get_vbox()->pack_start (scroller);
86
87         color_display.signal_button_press_event().connect (sigc::mem_fun (*this, &ThemeManager::button_press_event), false);
88
89         color_dialog.get_colorsel()->set_has_opacity_control (true);
90         color_dialog.get_colorsel()->set_has_palette (true);
91
92         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
93         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
94         dark_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_dark_theme_button_toggled));
95         light_button.signal_toggled().connect (sigc::mem_fun (*this, &ThemeManager::on_light_theme_button_toggled));
96         reset_button.signal_clicked().connect (sigc::mem_fun (*this, &ThemeManager::reset_canvas_colors));
97
98         set_size_request (-1, 400);
99         setup_theme ();
100 }
101
102 ThemeManager::~ThemeManager()
103 {
104 }
105
106 int
107 ThemeManager::save (string /*path*/)
108 {
109         return 0;
110 }
111
112 bool
113 ThemeManager::button_press_event (GdkEventButton* ev)
114 {
115         TreeIter iter;
116         TreeModel::Path path;
117         TreeViewColumn* column;
118         int cellx;
119         int celly;
120
121         UIConfigVariable<uint32_t> *ccvar;
122
123         if (!color_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
124                 return false;
125         }
126
127         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
128         case 0:
129                 /* allow normal processing to occur */
130                 return false;
131
132         case 1: /* color */
133                 if ((iter = color_list->get_iter (path))) {
134
135                         int r,g, b, a;
136                         uint32_t rgba = (*iter)[columns.rgba];
137                         Gdk::Color color;
138
139                         UINT_TO_RGBA (rgba, &r, &g, &b, &a);
140                         color.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
141                         color_dialog.get_colorsel()->set_previous_color (color);
142                         color_dialog.get_colorsel()->set_current_color (color);
143                         color_dialog.get_colorsel()->set_previous_alpha (a * 256);
144                         color_dialog.get_colorsel()->set_current_alpha (a * 256);
145
146                         ResponseType result = (ResponseType) color_dialog.run();
147
148                         switch (result) {
149                         case RESPONSE_CANCEL:
150                                 break;
151                         case RESPONSE_ACCEPT:
152                                 color = color_dialog.get_colorsel()->get_current_color();
153                                 a = color_dialog.get_colorsel()->get_current_alpha();
154                                 r = (int) floor (color.get_red_p() * 255.0);
155                                 g = (int) floor (color.get_green_p() * 255.0);
156                                 b = (int) floor (color.get_blue_p() * 255.0);
157
158                                 rgba = RGBA_TO_UINT(r,g,b,a>>8);
159                                 //cerr << (*iter)[columns.name] << " == " << hex << rgba << endl;
160                                 //cerr << "a = " << a << endl;
161                                 (*iter)[columns.rgba] = rgba;
162                                 (*iter)[columns.gdkcolor] = color;
163
164                                 ccvar = (*iter)[columns.pVar];
165                                 ccvar->set(rgba);
166
167                                 //ColorChanged (rgba);
168                                 ColorsChanged();//EMIT SIGNAL
169                                 break;
170
171                         default:
172                                 break;
173
174                         }
175
176                         color_dialog.hide ();
177                 }
178                 return true;
179
180         default:
181                 break;
182         }
183
184         return false;
185 }
186
187 void
188 load_rc_file (const string& filename, bool themechange)
189 {
190         sys::path rc_file_path;
191
192         SearchPath spath (ardour_search_path());
193         spath += user_config_directory();
194         spath += system_config_search_path();
195
196         if (!find_file_in_search_path (spath, filename, rc_file_path)) {
197                 warning << string_compose (_("Unable to find UI style file %1 in search path %2. %3 will look strange"),
198                                            filename, spath.to_string(), PROGRAM_NAME)
199                                 << endmsg;
200                 return;
201         }
202
203         info << "Loading ui configuration file " << rc_file_path.to_string() << endmsg;
204
205         Gtkmm2ext::UI::instance()->load_rcfile (rc_file_path.to_string(), themechange);
206 }
207
208 /* hmm, this is a problem. the profile doesn't
209    exist when the theme manager is constructed
210    and toggles buttons during "normal" GTK setup.
211
212    a better solution will be to make all Profile
213    methods static or something.
214
215    XXX FIX ME
216 */
217
218 #define HACK_PROFILE_IS_SAE() (getenv("ARDOUR_SAE")!=0)
219
220 void
221 ThemeManager::on_dark_theme_button_toggled()
222 {
223         if (!dark_button.get_active()) return;
224
225         if (HACK_PROFILE_IS_SAE()){
226                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark_sae.rc");
227         } else {
228                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_dark.rc");
229         }
230
231         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
232 }
233
234 void
235 ThemeManager::on_light_theme_button_toggled()
236 {
237         if (!light_button.get_active()) return;
238
239         if (HACK_PROFILE_IS_SAE()){
240                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light_sae.rc");
241         } else {
242                 ARDOUR_UI::config()->ui_rc_file.set("ardour3_ui_light.rc");
243         }
244
245         load_rc_file (ARDOUR_UI::config()->ui_rc_file.get(), true);
246 }
247
248 void
249 ThemeManager::setup_theme ()
250 {
251         int r, g, b, a;
252         color_list->clear();
253
254         for (std::vector<UIConfigVariable<uint32_t> *>::iterator i = ARDOUR_UI::config()->canvas_colors.begin(); i != ARDOUR_UI::config()->canvas_colors.end(); i++) {
255
256                 TreeModel::Row row = *(color_list->append());
257
258                 Gdk::Color col;
259                 uint32_t rgba = (*i)->get();
260                 UINT_TO_RGBA (rgba, &r, &g, &b, &a);
261                 //cerr << (*i)->name() << " == " << hex << rgba << ": " << hex << r << " " << hex << g << " " << hex << b << endl;
262                 col.set_rgb_p (r / 255.0, g / 255.0, b / 255.0);
263
264                 row[columns.name] = (*i)->name();
265                 row[columns.color] = "";
266                 row[columns.pVar] = *i;
267                 row[columns.rgba] = rgba;
268                 row[columns.gdkcolor] = col;
269
270         }
271
272         ColorsChanged.emit();
273
274         bool env_defined = false;
275         string rcfile = Glib::getenv("ARDOUR3_UI_RC", env_defined);
276
277         if(!env_defined) {
278                 rcfile = ARDOUR_UI::config()->ui_rc_file.get();
279         }
280
281         if (rcfile == "ardour3_ui_dark.rc" || rcfile == "ardour3_ui_dark_sae.rc") {
282                 dark_button.set_active();
283         } else if (rcfile == "ardour3_ui_light.rc" || "ardour3_ui_light_sae.rc") {
284                 light_button.set_active();
285         }
286
287         load_rc_file(rcfile, false);
288 }
289
290 void
291 ThemeManager::reset_canvas_colors()
292 {
293         ARDOUR_UI::config()->load_defaults();
294         setup_theme ();
295 }
296