", accel_group); /* This function generates the menu items. Pass the item factory, the number of items in the array, the array itself, and any callback data for the the menu items. */ gtk_item_factory_create_items (item_factory, nmenu_items, menu_items, NULL); /* Attach the new accelerator group to the window. */ gtk_accel_group_attach (accel_group, GTK_OBJECT (window)); if (menubar) /* Finally, return the actual menu bar created by the item factory. */ *menubar = gtk_item_factory_get_widget (item_factory, "

"); } static void getToolBar(GtkWidget *window, GtkWidget **toolbar) { GtkStyle *style; GtkWidget *pixmap; GdkPixmap *pmap; GdkBitmap *mask; gint ntoolbar_items = sizeof (toolbar_items) / sizeof (toolbar_items[0]); int i; assert(window != 0); // make toolbar *toolbar = gtk_toolbar_new(GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH); // get parent style for pixmaps in buttons style = gtk_widget_get_style(window); // now the entries for(i = 0; i < ntoolbar_items; i++) { pmap = gdk_pixmap_create_from_xpm_d(window->window, &mask, &style->bg[GTK_STATE_NORMAL], (gchar **)toolbar_items[i].pixmap); pixmap = gtk_pixmap_new(pmap, mask); // FIXME: is this enough to destroy pmap and mask? gdk_pixmap_unref(pmap); gdk_bitmap_unref(mask); toolbar_items[i].widget = gtk_toolbar_append_item(GTK_TOOLBAR(*toolbar), toolbar_items[i].text, toolbar_items[i].tooltip_text, "private", pixmap, toolbar_items[i].callback, toolbar_items[i].user_data); } } static void tempoAdjustCallback(GtkWidget *widget, gpointer data) { int value; #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif value = (int)(10.0 * GTK_ADJUSTMENT(tempoAdjustment)->value); thePlayer->setRelativeTempo(value); } static void rewindCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->rewind(); stopTimer(); setStatusbarText("Rewinded"); } static void playCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif startPlaying(); } static void fastForwardPressedCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->fastForward(true); } static void fastForwardReleasedCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->fastForward(false); } static void pauseCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->stop(); stopTimer(); setStatusbarText("Paused"); } static void stopCallback(GtkWidget *widget, gpointer data) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->stop(); thePlayer->rewind(); stopTimer(); setStatusbarText("Paused"); } static void setStatusbarText(const char *text) { assert(text != 0); popStatusbarText(); pushStatusbarText(text); } static void pushStatusbarText(const char *text) { assert(text != 0); gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_context_id, text); } static void popStatusbarText(void) { gtk_statusbar_pop(GTK_STATUSBAR(statusbar), statusbar_context_id); } void openFile(const char *filename) { const char *dummy; char buf[128]; midiSequence *oldsequence = 0; midiSequence *sequence = 0; assert(filename != 0); setStatusbarText("Reading MIDI file ..."); while (gtk_events_pending()) gtk_main_iteration(); thePlayer->stop(); stopTimer(); // delete current events oldsequence = thePlayer->getSequence(); // read midi file sequence = new midiSequence; if(readMidi(filename, sequence)) { if(oldsequence != 0) delete oldsequence; thePlayer->setSequence(sequence); dummy = strrchr(filename, '/'); if(dummy == NULL) dummy = filename; else dummy++; // set title g_snprintf(buf, 127, "%s: %s", windowName, dummy); gtk_window_set_title(GTK_WINDOW(toplevel), buf); // set statusbar text g_snprintf(buf, 127, "Read %s", dummy); setStatusbarText(buf); if(resetTempo == true) gtk_adjustment_set_value(GTK_ADJUSTMENT(tempoAdjustment), 0.0); if(autoPlay == true) startPlaying(); } else { delete sequence; setStatusbarText("Read MIDI file failed"); } } static void startPlaying(void) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif thePlayer->play(); setStatusbarText("Playing"); startTimer(); } static void startTimer(void) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif if(timeoutId == -1) { currentTime = 0; g_timer_reset(midiTimer); g_timer_start(midiTimer); timeoutId = gtk_timeout_add(timeoutTime, timeoutFunction, NULL); } } static void stopTimer(void) { #ifdef MUSICA_DEBUG cerr<< __PRETTY_FUNCTION__<< endl; #endif if(timeoutId != -1) { gtk_timeout_remove(timeoutId); timeoutId = -1; } } static gint timeoutFunction(gpointer data) { gulong microseconds; gulong seconds; char buf[128]; static int min = -1; static int sec = -1; int newmin, newsec; long int deltaTime; // play as long as the next note occurs within our timer interval do { seconds = (gulong)floor(g_timer_elapsed(midiTimer, µseconds)); currentTime = (seconds * 1000000L) + microseconds ; deltaTime = thePlayer->doPlay(currentTime); if(deltaTime < 0L) { return(FALSE); // end of song, stop playing } } while(deltaTime <= (long int)(timeoutTime * 1000)); newmin = (int)(seconds / 60L); newsec = (int)(seconds % 60L); if((newsec != sec) || (newmin != min)) { sec = newsec; min = newmin; g_snprintf(buf, 127, "Playing - %d:%02d", min, sec); setStatusbarText(buf); } return(TRUE); // we want to be called again and again }