implemented selection of format files by combo box

 * each transcript widget has its own box, they share their content (via a common GtkListStore)
 * currently the filename is displayed in the combo boxes

1 files changed, 171 insertions, 0 deletions

diff --git a/src/format-selection.c b/src/format-selection.c
new file mode 100644
index 0000000..f7c3c22
--- /dev/null
+++ b/src/format-selection.c
@@ -0,0 +1,171 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <assert.h>
+
+#include <glib.h>
+#include <glib/gprintf.h>
+
+#include <gtk/gtk.h>
+
+#include <gtk-experiment-transcript.h>
+
+#include "experiment-player.h"
+
+static void refresh_formats_store(GtkListStore *store);
+
+GtkWidget *transcript_wizard_combo,
+	  *transcript_proband_combo;
+
+static gchar *formats_directory;
+
+enum {
+	COL_NAME,
+	COL_FILENAME,
+	NUM_COLS
+};
+
+/*
+ * GtkBuilder signal callbacks
+ * NOTE: for some strange reason the parameters are switched
+ */
+
+void
+formats_menu_choosedir_item_activate_cb(GtkWidget *widget,
+					gpointer data __attribute__((unused)))
+{
+	GtkTreeModel *model =
+		gtk_combo_box_get_model(GTK_COMBO_BOX(transcript_wizard_combo));
+
+	GtkWidget *dialog;
+
+	dialog = gtk_file_chooser_dialog_new("Choose Directory...", GTK_WINDOW(widget),
+					     GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
+					     GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+					     GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+					     NULL);
+	gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),
+					    formats_directory);
+
+	if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
+		g_free(formats_directory);
+		formats_directory =
+			gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+
+		refresh_formats_store(GTK_LIST_STORE(model));
+	}
+
+	gtk_widget_destroy(dialog);
+}
+
+void
+formats_menu_refresh_item_activate_cb(GtkWidget *widget,
+				      gpointer data __attribute__((unused)))
+{
+	GtkTreeModel *model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
+
+	refresh_formats_store(GTK_LIST_STORE(model));
+}
+
+void
+generic_transcript_combo_changed_cb(gpointer user_data, GtkComboBox *combo)
+{
+	GtkExperimentTranscript *trans = GTK_EXPERIMENT_TRANSCRIPT(user_data);
+
+	GtkTreeModel *model = gtk_combo_box_get_model(combo);
+	GtkTreeIter iter;
+	gchar *filename;
+
+	if (!gtk_combo_box_get_active_iter(combo, &iter))
+		return;
+
+	gtk_tree_model_get(model, &iter, COL_FILENAME, &filename, -1);
+
+	/*
+	 * filename may be empty (null-entry) in which case any active format
+	 * will be reset
+	 */
+	gtk_experiment_transcript_load_formats(trans, filename);
+	g_free(filename);
+
+	refresh_formats_store(GTK_LIST_STORE(model));
+}
+
+void
+generic_transcript_entry_changed_cb(gpointer user_data, GtkEditable *editable)
+{
+	GtkExperimentTranscript *trans = GTK_EXPERIMENT_TRANSCRIPT(user_data);
+	const gchar *text = gtk_entry_get_text(GTK_ENTRY(editable));
+
+	/** @todo enable/disable markup */
+	gtk_experiment_transcript_set_interactive_format(trans, text, TRUE);
+}
+
+static void
+refresh_formats_store(GtkListStore *store)
+{
+	static GPatternSpec *pattern = NULL;
+
+	GDir *dir;
+	const gchar *name;
+	GtkTreeIter iter;
+
+	if (pattern == NULL)
+		pattern = g_pattern_spec_new(EXPERIMENT_FORMAT_FILTER);
+
+	gtk_list_store_clear(store);
+	/* add null-entry */
+	gtk_list_store_append(store, &iter);
+
+	dir = g_dir_open(formats_directory, 0, NULL);
+
+	while ((name = g_dir_read_name(dir)) != NULL) {
+		gchar *fullname;
+
+		if (!g_pattern_match_string(pattern, name))
+			continue;
+
+		fullname = g_build_filename(formats_directory, name, NULL);
+
+		gtk_list_store_append(store, &iter);
+		gtk_list_store_set(store, &iter,
+				   COL_NAME,		name,
+				   COL_FILENAME,	fullname,
+				   -1);
+
+		g_free(fullname);
+	}
+
+	g_dir_close(dir);
+}
+
+void
+format_selection_init(const gchar *dir)
+{
+	GtkListStore	*formats_store;
+	GtkCellRenderer	*renderer;
+
+	formats_directory = g_strdup(dir);
+
+	formats_store = gtk_list_store_new(NUM_COLS,
+					   G_TYPE_STRING, G_TYPE_STRING);
+	gtk_combo_box_set_model(GTK_COMBO_BOX(transcript_wizard_combo),
+				GTK_TREE_MODEL(formats_store));
+	gtk_combo_box_set_model(GTK_COMBO_BOX(transcript_proband_combo),
+				GTK_TREE_MODEL(formats_store));
+
+	renderer = gtk_cell_renderer_text_new();
+	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(transcript_wizard_combo),
+				   renderer, TRUE);
+	gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(transcript_wizard_combo),
+				      renderer, "text", COL_NAME);
+	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(transcript_proband_combo),
+				   renderer, TRUE);
+	gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(transcript_proband_combo),
+				      renderer, "text", COL_NAME);
+
+	refresh_formats_store(formats_store);
+
+	g_object_unref(formats_store);
+}