2 Copyright (C) 1999-2005 Paul Barton-Davis
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.
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.
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.
30 #include <pbd/error.h>
31 #include <pbd/touchable.h>
32 #include <pbd/failed_constructor.h>
33 #include <pbd/pthread_utils.h>
34 #include <pbd/stacktrace.h>
36 #include <gtkmm2ext/gtk_ui.h>
37 #include <gtkmm2ext/textviewer.h>
38 #include <gtkmm2ext/popup.h>
39 #include <gtkmm2ext/utils.h>
43 using namespace Gtkmm2ext;
48 pthread_t UI::gui_thread;
51 BaseUI::RequestType Gtkmm2ext::ErrorMessage = BaseUI::new_request_type();
52 BaseUI::RequestType Gtkmm2ext::Quit = BaseUI::new_request_type();
53 BaseUI::RequestType Gtkmm2ext::TouchDisplay = BaseUI::new_request_type();
54 BaseUI::RequestType Gtkmm2ext::StateChange = BaseUI::new_request_type();
55 BaseUI::RequestType Gtkmm2ext::SetTip = BaseUI::new_request_type();
56 BaseUI::RequestType Gtkmm2ext::AddIdle = BaseUI::new_request_type();
57 BaseUI::RequestType Gtkmm2ext::AddTimeout = BaseUI::new_request_type();
59 #include <pbd/abstract_ui.cc> /* instantiate the template */
62 UI::UI (string namestr, int *argc, char ***argv, string rcfile)
63 : AbstractUI<UIRequest> (namestr, true)
65 theMain = new Main (argc, argv);
72 gui_thread = pthread_self ();
74 fatal << "duplicate UI requested" << endmsg;
78 /* add the pipe to the select/poll loop that GDK does */
80 gdk_input_add (signal_pipe[0],
82 UI::signal_pipe_callback,
85 errors = new TextViewer (850,100);
86 errors->text().set_editable (false);
87 errors->text().set_name ("ErrorText");
92 errors->set_title (title);
94 errors->dismiss_button().set_name ("ErrorLogCloseButton");
95 errors->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), (Window *) errors));
97 register_thread (pthread_self(), X_("GUI"));
108 UI::caller_is_ui_thread ()
110 return pthread_equal (gui_thread, pthread_self());
114 UI::load_rcfile (string path)
116 if (path.length() == 0) {
120 if (access (path.c_str(), R_OK)) {
121 error << "UI: couldn't find rc file \""
128 RC rc (path.c_str());
130 /* have to pack widgets into a toplevel window so that styles will stick */
132 Window temp_window (WINDOW_TOPLEVEL);
138 RefPtr<Gtk::Style> style;
139 RefPtr<TextBuffer> buffer (errors->text().get_buffer());
141 box.pack_start (a_widget1);
142 box.pack_start (a_widget2);
143 box.pack_start (a_widget3);
144 box.pack_start (a_widget4);
146 error_ptag = buffer->create_tag();
147 error_mtag = buffer->create_tag();
148 fatal_ptag = buffer->create_tag();
149 fatal_mtag = buffer->create_tag();
150 warning_ptag = buffer->create_tag();
151 warning_mtag = buffer->create_tag();
152 info_ptag = buffer->create_tag();
153 info_mtag = buffer->create_tag();
155 a_widget1.set_name ("FatalMessage");
156 a_widget1.ensure_style ();
157 style = a_widget1.get_style();
159 fatal_ptag->property_font_desc().set_value(style->get_font());
160 fatal_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
161 fatal_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
162 fatal_mtag->property_font_desc().set_value(style->get_font());
163 fatal_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
164 fatal_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
166 a_widget2.set_name ("ErrorMessage");
167 a_widget2.ensure_style ();
168 style = a_widget2.get_style();
170 error_ptag->property_font_desc().set_value(style->get_font());
171 error_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
172 error_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
173 error_mtag->property_font_desc().set_value(style->get_font());
174 error_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
175 error_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
177 a_widget3.set_name ("WarningMessage");
178 a_widget3.ensure_style ();
179 style = a_widget3.get_style();
181 warning_ptag->property_font_desc().set_value(style->get_font());
182 warning_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
183 warning_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
184 warning_mtag->property_font_desc().set_value(style->get_font());
185 warning_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
186 warning_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
188 a_widget4.set_name ("InfoMessage");
189 a_widget4.ensure_style ();
190 style = a_widget4.get_style();
192 info_ptag->property_font_desc().set_value(style->get_font());
193 info_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
194 info_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
195 info_mtag->property_font_desc().set_value(style->get_font());
196 info_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
197 info_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
203 UI::run (Receiver &old_receiver)
210 old_receiver.hangup ();
230 pthread_kill (gui_thread, SIGKILL);
237 UIRequest *req = get_request (Quit);
246 static bool idle_quit ()
255 Glib::signal_idle().connect (sigc::ptr_fun (idle_quit));
259 UI::touch_display (Touchable *display)
261 UIRequest *req = get_request (TouchDisplay);
267 req->display = display;
273 UI::set_tip (Widget *w, const gchar *tip, const gchar *hlp)
275 UIRequest *req = get_request (SetTip);
289 UI::set_state (Widget *w, StateType state)
291 UIRequest *req = get_request (StateChange);
297 req->new_state = state;
304 UI::idle_add (int (*func)(void *), void *arg)
306 UIRequest *req = get_request (AddIdle);
312 req->function = func;
318 /* END abstract_ui interfaces */
321 UI::signal_pipe_callback (void *arg, int fd, GdkInputCondition cond)
325 /* flush (nonblocking) pipe */
327 while (read (fd, buf, 256) > 0);
329 ((UI *) arg)->handle_ui_requests ();
333 UI::do_request (UIRequest* req)
335 if (req->type == ErrorMessage) {
337 process_error_message (req->chn, req->msg);
338 free (const_cast<char*>(req->msg)); /* it was strdup'ed */
339 req->msg = 0; /* don't free it again in the destructor */
341 } else if (req->type == Quit) {
345 } else if (req->type == CallSlot) {
349 } else if (req->type == TouchDisplay) {
351 req->display->touch ();
352 if (req->display->delete_after_touch()) {
356 } else if (req->type == StateChange) {
358 req->widget->set_state (req->new_state);
360 } else if (req->type == SetTip) {
362 /* XXX need to figure out how this works */
366 error << "GtkUI: unknown request type "
372 /*======================================================================
374 ======================================================================*/
377 UI::receive (Transmitter::Channel chn, const char *str)
379 if (caller_is_ui_thread()) {
380 process_error_message (chn, str);
382 UIRequest* req = get_request (ErrorMessage);
389 req->msg = strdup (str);
395 #define OLD_STYLE_ERRORS 1
398 UI::process_error_message (Transmitter::Channel chn, const char *str)
401 RefPtr<TextBuffer::Tag> ptag;
402 RefPtr<TextBuffer::Tag> mtag;
405 bool fatal_received = false;
406 #ifndef OLD_STYLE_ERRORS
407 PopUp* popup = new PopUp (WIN_POS_CENTER, 0, true);
411 case Transmitter::Fatal:
412 prefix = "[FATAL]: ";
416 fatal_received = true;
418 case Transmitter::Error:
420 prefix = "[ERROR]: ";
425 popup->set_name ("ErrorMessage");
426 popup->set_text (str);
431 case Transmitter::Info:
438 popup->set_name ("InfoMessage");
439 popup->set_text (str);
445 case Transmitter::Warning:
447 prefix = "[WARNING]: ";
452 popup->set_name ("WarningMessage");
453 popup->set_text (str);
459 /* no choice but to use text/console output here */
460 cerr << "programmer error in UI::check_error_messages (channel = " << chn << ")\n";
464 errors->text().get_buffer()->begin_user_action();
466 if (fatal_received) {
470 display_message (prefix, prefix_len, ptag, mtag, str);
472 if (!errors->is_visible()) {
477 errors->text().get_buffer()->end_user_action();
483 if (!errors->is_visible()) {
484 errors->set_position (WIN_POS_MOUSE);
492 UI::display_message (const char *prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char *msg)
494 RefPtr<TextBuffer> buffer (errors->text().get_buffer());
496 buffer->insert_with_tag(buffer->end(), prefix, ptag);
497 buffer->insert_with_tag(buffer->end(), msg, mtag);
498 buffer->insert_with_tag(buffer->end(), "\n", mtag);
500 errors->scroll_to_bottom ();
504 UI::handle_fatal (const char *message)
506 Window win (WINDOW_POPUP);
508 Label label (message);
509 Button quit (_("Press To Exit"));
511 win.set_default_size (400, 100);
515 title += ": Fatal Error";
516 win.set_title (title);
518 win.set_position (WIN_POS_MOUSE);
521 packer.pack_start (label, true, true);
522 packer.pack_start (quit, false, false);
523 quit.signal_clicked().connect(mem_fun(*this,&UI::quit));
526 win.set_modal (true);
534 UI::popup_error (const char *text)
538 if (!caller_is_ui_thread()) {
539 error << "non-UI threads can't use UI::popup_error"
544 pup = new PopUp (WIN_POS_MOUSE, 0, true);
545 pup->set_text (text);
553 if (!caller_is_ui_thread()) {
554 error << "non-UI threads cannot call UI::flush_pending()"
559 gtk_main_iteration();
561 while (gtk_events_pending()) {
562 gtk_main_iteration();
567 UI::just_hide_it (GdkEventAny *ev, Window *win)
574 UI::get_color (const string& prompt, bool& picked, const Gdk::Color* initial)
578 ColorSelectionDialog color_dialog (prompt);
580 color_dialog.set_modal (true);
581 color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (*this, &UI::color_selection_done), false));
582 color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (*this, &UI::color_selection_done), true));
583 color_dialog.signal_delete_event().connect (mem_fun (*this, &UI::color_selection_deleted));
586 color_dialog.get_colorsel()->set_current_color (*initial);
589 color_dialog.show_all ();
590 color_picked = false;
595 color_dialog.hide_all ();
598 Gdk::Color f_rgba = color_dialog.get_colorsel()->get_current_color ();
599 color.set_red(f_rgba.get_red());
600 color.set_green(f_rgba.get_green());
601 color.set_blue(f_rgba.get_blue());
610 UI::color_selection_done (bool status)
612 color_picked = status;
617 UI::color_selection_deleted (GdkEventAny *ev)