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;
49 pthread_t UI::gui_thread;
52 BaseUI::RequestType Gtkmm2ext::ErrorMessage = BaseUI::new_request_type();
53 BaseUI::RequestType Gtkmm2ext::Quit = BaseUI::new_request_type();
54 BaseUI::RequestType Gtkmm2ext::TouchDisplay = BaseUI::new_request_type();
55 BaseUI::RequestType Gtkmm2ext::StateChange = BaseUI::new_request_type();
56 BaseUI::RequestType Gtkmm2ext::SetTip = BaseUI::new_request_type();
57 BaseUI::RequestType Gtkmm2ext::AddIdle = BaseUI::new_request_type();
58 BaseUI::RequestType Gtkmm2ext::AddTimeout = BaseUI::new_request_type();
60 #include <pbd/abstract_ui.cc> /* instantiate the template */
63 UI::UI (string namestr, int *argc, char ***argv, string rcfile)
64 : AbstractUI<UIRequest> (namestr, true)
66 theMain = new Main (argc, argv);
73 gui_thread = pthread_self ();
75 fatal << "duplicate UI requested" << endmsg;
79 /* add the pipe to the select/poll loop that GDK does */
81 gdk_input_add (signal_pipe[0],
83 UI::signal_pipe_callback,
86 errors = new TextViewer (850,100);
87 errors->text().set_editable (false);
88 errors->text().set_name ("ErrorText");
93 errors->set_title (title);
95 errors->dismiss_button().set_name ("ErrorLogCloseButton");
96 errors->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), (Window *) errors));
98 register_thread (pthread_self(), X_("GUI"));
100 load_rcfile (rcfile);
109 UI::caller_is_ui_thread ()
111 return pthread_equal (gui_thread, pthread_self());
115 UI::load_rcfile (string path)
117 if (path.length() == 0) {
121 if (access (path.c_str(), R_OK)) {
122 error << "UI: couldn't find rc file \""
129 RC rc (path.c_str());
131 /* have to pack widgets into a toplevel window so that styles will stick */
133 Window temp_window (WINDOW_TOPLEVEL);
139 RefPtr<Gtk::Style> style;
140 RefPtr<TextBuffer> buffer (errors->text().get_buffer());
142 box.pack_start (a_widget1);
143 box.pack_start (a_widget2);
144 box.pack_start (a_widget3);
145 box.pack_start (a_widget4);
147 error_ptag = buffer->create_tag();
148 error_mtag = buffer->create_tag();
149 fatal_ptag = buffer->create_tag();
150 fatal_mtag = buffer->create_tag();
151 warning_ptag = buffer->create_tag();
152 warning_mtag = buffer->create_tag();
153 info_ptag = buffer->create_tag();
154 info_mtag = buffer->create_tag();
156 a_widget1.set_name ("FatalMessage");
157 a_widget1.ensure_style ();
158 style = a_widget1.get_style();
160 fatal_ptag->property_font_desc().set_value(style->get_font());
161 fatal_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
162 fatal_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
163 fatal_mtag->property_font_desc().set_value(style->get_font());
164 fatal_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
165 fatal_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
167 a_widget2.set_name ("ErrorMessage");
168 a_widget2.ensure_style ();
169 style = a_widget2.get_style();
171 error_ptag->property_font_desc().set_value(style->get_font());
172 error_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
173 error_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
174 error_mtag->property_font_desc().set_value(style->get_font());
175 error_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
176 error_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
178 a_widget3.set_name ("WarningMessage");
179 a_widget3.ensure_style ();
180 style = a_widget3.get_style();
182 warning_ptag->property_font_desc().set_value(style->get_font());
183 warning_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
184 warning_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
185 warning_mtag->property_font_desc().set_value(style->get_font());
186 warning_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
187 warning_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
189 a_widget4.set_name ("InfoMessage");
190 a_widget4.ensure_style ();
191 style = a_widget4.get_style();
193 info_ptag->property_font_desc().set_value(style->get_font());
194 info_ptag->property_foreground_gdk().set_value(style->get_fg(STATE_ACTIVE));
195 info_ptag->property_background_gdk().set_value(style->get_bg(STATE_ACTIVE));
196 info_mtag->property_font_desc().set_value(style->get_font());
197 info_mtag->property_foreground_gdk().set_value(style->get_fg(STATE_NORMAL));
198 info_mtag->property_background_gdk().set_value(style->get_bg(STATE_NORMAL));
204 UI::run (Receiver &old_receiver)
211 old_receiver.hangup ();
231 pthread_kill (gui_thread, SIGKILL);
238 UIRequest *req = get_request (Quit);
247 static bool idle_quit ()
257 // Glib::signal_idle().connect (sigc::ptr_fun (idle_quit));
261 UI::touch_display (Touchable *display)
263 UIRequest *req = get_request (TouchDisplay);
269 req->display = display;
275 UI::set_tip (Widget *w, const gchar *tip, const gchar *hlp)
277 UIRequest *req = get_request (SetTip);
291 UI::set_state (Widget *w, StateType state)
293 UIRequest *req = get_request (StateChange);
299 req->new_state = state;
306 UI::idle_add (int (*func)(void *), void *arg)
308 UIRequest *req = get_request (AddIdle);
314 req->function = func;
320 /* END abstract_ui interfaces */
323 UI::signal_pipe_callback (void *arg, int fd, GdkInputCondition cond)
327 /* flush (nonblocking) pipe */
329 while (read (fd, buf, 256) > 0);
331 ((UI *) arg)->handle_ui_requests ();
335 UI::do_request (UIRequest* req)
337 if (req->type == ErrorMessage) {
339 process_error_message (req->chn, req->msg);
340 free (const_cast<char*>(req->msg)); /* it was strdup'ed */
341 req->msg = 0; /* don't free it again in the destructor */
343 } else if (req->type == Quit) {
347 } else if (req->type == CallSlot) {
351 } else if (req->type == TouchDisplay) {
353 req->display->touch ();
354 if (req->display->delete_after_touch()) {
358 } else if (req->type == StateChange) {
360 req->widget->set_state (req->new_state);
362 } else if (req->type == SetTip) {
364 /* XXX need to figure out how this works */
368 error << "GtkUI: unknown request type "
374 /*======================================================================
376 ======================================================================*/
379 UI::receive (Transmitter::Channel chn, const char *str)
381 if (caller_is_ui_thread()) {
382 process_error_message (chn, str);
384 UIRequest* req = get_request (ErrorMessage);
391 req->msg = strdup (str);
397 #define OLD_STYLE_ERRORS 1
400 UI::process_error_message (Transmitter::Channel chn, const char *str)
403 RefPtr<TextBuffer::Tag> ptag;
404 RefPtr<TextBuffer::Tag> mtag;
407 bool fatal_received = false;
408 #ifndef OLD_STYLE_ERRORS
409 PopUp* popup = new PopUp (WIN_POS_CENTER, 0, true);
413 case Transmitter::Fatal:
414 prefix = "[FATAL]: ";
418 fatal_received = true;
420 case Transmitter::Error:
422 prefix = "[ERROR]: ";
427 popup->set_name ("ErrorMessage");
428 popup->set_text (str);
433 case Transmitter::Info:
440 popup->set_name ("InfoMessage");
441 popup->set_text (str);
447 case Transmitter::Warning:
449 prefix = "[WARNING]: ";
454 popup->set_name ("WarningMessage");
455 popup->set_text (str);
461 /* no choice but to use text/console output here */
462 cerr << "programmer error in UI::check_error_messages (channel = " << chn << ")\n";
466 errors->text().get_buffer()->begin_user_action();
468 if (fatal_received) {
472 display_message (prefix, prefix_len, ptag, mtag, str);
474 if (!errors->is_visible()) {
479 errors->text().get_buffer()->end_user_action();
485 if (!errors->is_visible()) {
486 errors->set_position (WIN_POS_MOUSE);
494 UI::display_message (const char *prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char *msg)
496 RefPtr<TextBuffer> buffer (errors->text().get_buffer());
498 buffer->insert_with_tag(buffer->end(), prefix, ptag);
499 buffer->insert_with_tag(buffer->end(), msg, mtag);
500 buffer->insert_with_tag(buffer->end(), "\n", mtag);
502 errors->scroll_to_bottom ();
506 UI::handle_fatal (const char *message)
508 Window win (WINDOW_POPUP);
510 Label label (message);
511 Button quit (_("Press To Exit"));
513 win.set_default_size (400, 100);
517 title += ": Fatal Error";
518 win.set_title (title);
520 win.set_position (WIN_POS_MOUSE);
523 packer.pack_start (label, true, true);
524 packer.pack_start (quit, false, false);
525 quit.signal_clicked().connect(mem_fun(*this,&UI::quit));
528 win.set_modal (true);
536 UI::popup_error (const char *text)
540 if (!caller_is_ui_thread()) {
541 error << "non-UI threads can't use UI::popup_error"
546 pup = new PopUp (WIN_POS_MOUSE, 0, true);
547 pup->set_text (text);
555 if (!caller_is_ui_thread()) {
556 error << "non-UI threads cannot call UI::flush_pending()"
561 gtk_main_iteration();
563 while (gtk_events_pending()) {
564 gtk_main_iteration();
569 UI::just_hide_it (GdkEventAny *ev, Window *win)
576 UI::get_color (const string& prompt, bool& picked, const Gdk::Color* initial)
580 ColorSelectionDialog color_dialog (prompt);
582 color_dialog.set_modal (true);
583 color_dialog.get_cancel_button()->signal_clicked().connect (bind (mem_fun (*this, &UI::color_selection_done), false));
584 color_dialog.get_ok_button()->signal_clicked().connect (bind (mem_fun (*this, &UI::color_selection_done), true));
585 color_dialog.signal_delete_event().connect (mem_fun (*this, &UI::color_selection_deleted));
588 color_dialog.get_colorsel()->set_current_color (*initial);
591 color_dialog.show_all ();
592 color_picked = false;
597 color_dialog.hide_all ();
600 Gdk::Color f_rgba = color_dialog.get_colorsel()->get_current_color ();
601 color.set_red(f_rgba.get_red());
602 color.set_green(f_rgba.get_green());
603 color.set_blue(f_rgba.get_blue());
612 UI::color_selection_done (bool status)
614 color_picked = status;
619 UI::color_selection_deleted (GdkEventAny *ev)