save transcript fonts and colors in key-file (config file)

 * default widget styles are not handled properly. it must be possible to reset manually chosen fonts/colors (mapped to no key in keyfile)
 * default interactive format text attributes should be saved as well

3 files changed, 236 insertions, 2 deletions

diff --git a/src/config.c b/src/config.c
index 1dedf79..eb6c8df 100644
--- a/src/config.c
+++ b/src/config.c
@@ -8,6 +8,8 @@
 #include <glib/gprintf.h>
 #include <glib/gstdio.h>
 
+#include <gdk/gdk.h>
+
 #include "experiment-player.h"
 
 static GKeyFile	*keyfile;
@@ -22,6 +24,32 @@ config_init_key_file(void)
 	config_set_quickopen_directory(DEFAULT_QUICKOPEN_DIR);
 	config_set_formats_directory(DEFAULT_FORMATS_DIR);
 
+	if (DEFAULT_INTERACTIVE_FORMAT_FONT != NULL)
+		g_key_file_set_string(keyfile, "Wizard Transcript",
+				      "Default-Format-Font",
+				      DEFAULT_INTERACTIVE_FORMAT_FONT);
+	if (DEFAULT_INTERACTIVE_FORMAT_FGCOLOR != NULL)
+		g_key_file_set_string(keyfile, "Wizard Transcript",
+				      "Default-Format-Text-Color",
+				      DEFAULT_INTERACTIVE_FORMAT_FGCOLOR);
+	if (DEFAULT_INTERACTIVE_FORMAT_BGCOLOR != NULL)
+		g_key_file_set_string(keyfile, "Wizard Transcript",
+				      "Default-Format-BG-Color",
+				      DEFAULT_INTERACTIVE_FORMAT_BGCOLOR);
+
+	if (DEFAULT_INTERACTIVE_FORMAT_FONT != NULL)
+		g_key_file_set_string(keyfile, "Proband Transcript",
+				      "Default-Format-Font",
+				      DEFAULT_INTERACTIVE_FORMAT_FONT);
+	if (DEFAULT_INTERACTIVE_FORMAT_FGCOLOR != NULL)
+		g_key_file_set_string(keyfile, "Proband Transcript",
+				      "Default-Format-Text-Color",
+				      DEFAULT_INTERACTIVE_FORMAT_FGCOLOR);
+	if (DEFAULT_INTERACTIVE_FORMAT_BGCOLOR != NULL)
+		g_key_file_set_string(keyfile, "Proband Transcript",
+				      "Default-Format-BG-Color",
+				      DEFAULT_INTERACTIVE_FORMAT_BGCOLOR);
+
 	/* may fail if no serialized configuration exists */
 	g_key_file_load_from_data_dirs(keyfile, CONFIG_KEY_FILE, &filename,
 				       G_KEY_FILE_KEEP_COMMENTS, NULL);
@@ -56,6 +84,77 @@ config_get_formats_directory(void)
 }
 
 void
+config_generic_set_transcript_font(const gchar *actor, const gchar *key,
+				   const PangoFontDescription *font)
+{
+	gchar	group[255];
+	gchar	*font_name;
+
+	g_snprintf(group, sizeof(group), "%s Transcript", actor);
+
+	if (font == NULL) {
+		g_key_file_remove_key(keyfile, group, key, NULL);
+	} else {
+		font_name = pango_font_description_to_string(font);
+		g_key_file_set_string(keyfile, group, key, font_name);
+		g_free(font_name);
+	}
+}
+
+PangoFontDescription *
+config_generic_get_transcript_font(const gchar *actor, const gchar *key)
+{
+	gchar			group[255];
+	gchar			*font_name;
+	PangoFontDescription	*font_desc = NULL;
+
+	g_snprintf(group, sizeof(group), "%s Transcript", actor);
+	font_name = g_key_file_get_string(keyfile, group, key, NULL);
+	if (font_name != NULL) {
+		font_desc = pango_font_description_from_string(font_name);
+		g_free(font_name);
+	}
+
+	return font_desc;
+}
+
+void
+config_generic_set_transcript_color(const gchar *actor, const gchar *key,
+				    const GdkColor *color)
+{
+	gchar	group[255];
+	gchar	*color_name;
+
+	g_snprintf(group, sizeof(group), "%s Transcript", actor);
+
+	if (color == NULL) {
+		g_key_file_remove_key(keyfile, group, key, NULL);
+	} else {
+		color_name = gdk_color_to_string(color);
+		g_key_file_set_string(keyfile, group, key, color_name);
+		g_free(color_name);
+	}
+}
+
+gboolean
+config_generic_get_transcript_color(const gchar *actor, const gchar *key,
+				    GdkColor *color)
+{
+	gchar	group[255];
+	gchar	*color_name;
+
+	g_snprintf(group, sizeof(group), "%s Transcript", actor);
+	color_name = g_key_file_get_string(keyfile, group, key, NULL);
+	if (color_name == NULL)
+		return FALSE;
+
+	gdk_color_parse(color_name, color);
+	g_free(color_name);
+
+	return TRUE;
+}
+
+void
 config_save_key_file(void)
 {
 	gchar	*data;
diff --git a/src/experiment-player.h b/src/experiment-player.h
index 5750904..9d99879 100644
--- a/src/experiment-player.h
+++ b/src/experiment-player.h
@@ -4,6 +4,8 @@
 #include <glib.h>
 #include <glib/gprintf.h>
 
+#include <gdk/gdk.h>
+
 #include <gtk/gtk.h>
 
 /*
@@ -40,6 +42,93 @@ gchar *config_get_quickopen_directory(void);
 void config_set_formats_directory(const gchar *dir);
 gchar *config_get_formats_directory(void);
 
+void config_generic_set_transcript_font(const gchar *actor, const gchar *key,
+					const PangoFontDescription *font);
+PangoFontDescription *config_generic_get_transcript_font(const gchar *actor,
+							 const gchar *key);
+
+void config_generic_set_transcript_color(const gchar *actor, const gchar *key,
+					 const GdkColor *color);
+gboolean config_generic_get_transcript_color(const gchar *actor, const gchar *key,
+					     GdkColor *color);
+
+static inline void
+config_set_transcript_font(const gchar *actor, const PangoFontDescription *font)
+{
+	config_generic_set_transcript_font(actor, "Widget-Font", font);
+}
+static inline PangoFontDescription *
+config_get_transcript_font(const gchar *actor)
+{
+	return config_generic_get_transcript_font(actor, "Widget-Font");
+}
+
+static inline void
+config_set_transcript_text_color(const gchar *actor, const GdkColor *color)
+{
+	config_generic_set_transcript_color(actor, "Widget-Text-Color", color);
+}
+static inline gboolean
+config_get_transcript_text_color(const gchar *actor, GdkColor *color)
+{
+	return config_generic_get_transcript_color(actor, "Widget-Text-Color",
+						   color);
+}
+
+static inline void
+config_set_transcript_bg_color(const gchar *actor, const GdkColor *color)
+{
+	config_generic_set_transcript_color(actor, "Widget-BG-Color", color);
+}
+static inline gboolean
+config_get_transcript_bg_color(const gchar *actor, GdkColor *color)
+{
+	return config_generic_get_transcript_color(actor, "Widget-BG-Color",
+						   color);
+}
+
+static inline void
+config_set_transcript_default_format_font(const gchar *actor,
+					  const PangoFontDescription *font)
+{
+	config_generic_set_transcript_font(actor, "Default-Format-Font", font);
+}
+static inline PangoFontDescription *
+config_get_transcript_default_format_font(const gchar *actor)
+{
+	return config_generic_get_transcript_font(actor, "Default-Format-Font");
+}
+
+static inline void
+config_set_transcript_default_format_text_color(const gchar *actor,
+						const GdkColor *color)
+{
+	config_generic_set_transcript_color(actor, "Default-Format-Text-Color",
+					    color);
+}
+static inline gboolean
+config_get_transcript_default_format_text_color(const gchar *actor,
+						GdkColor *color)
+{
+	return config_generic_get_transcript_color(actor, "Default-Format-Text-Color",
+						   color);
+}
+
+static inline void
+config_set_transcript_default_format_bg_color(const gchar *actor,
+					      const GdkColor *color)
+{
+	config_generic_set_transcript_color(actor, "Default-Format-BG-Color",
+					    color);
+}
+static inline gboolean
+config_get_transcript_default_format_bg_color(const gchar *actor,
+					      GdkColor *color)
+{
+	return config_generic_get_transcript_color(actor, "Default-Format-BG-Color",
+						   color);
+}
+
 void config_save_key_file(void);
 
 /*
diff --git a/src/main.c b/src/main.c
index 4197b53..f11334f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -43,6 +43,9 @@ GtkWidget *navigator_scrolledwindow,
 
 gchar *current_filename = NULL;
 
+#define SPEAKER_WIZARD	"Wizard"
+#define SPEAKER_PROBAND	"Proband"
+
 /*
  * GtkBuilder signal callbacks
  * NOTE: for some strange reason the parameters are switched
@@ -248,6 +251,8 @@ main(int argc, char *argv[])
 {
 	GtkBuilder *builder;
 	GtkAdjustment *adj;
+	PangoFontDescription *font_desc;
+	GdkColor color;
 
 	/* FIXME: support internationalization instead of enforcing English */
 #ifdef __WIN32__
@@ -311,8 +316,34 @@ main(int argc, char *argv[])
 	gtk_scale_button_set_adjustment(GTK_SCALE_BUTTON(volume_button), adj);
 
 	/* configure transcript widgets */
-	GTK_EXPERIMENT_TRANSCRIPT(transcript_wizard_widget)->speaker = g_strdup("Wizard");
-	GTK_EXPERIMENT_TRANSCRIPT(transcript_proband_widget)->speaker = g_strdup("Proband");
+	GTK_EXPERIMENT_TRANSCRIPT(transcript_wizard_widget)->speaker =
+							g_strdup(SPEAKER_WIZARD);
+	font_desc = config_get_transcript_font(SPEAKER_WIZARD);
+	if (font_desc != NULL) {
+		gtk_widget_modify_font(transcript_wizard_widget, font_desc);
+		pango_font_description_free(font_desc);
+	}
+	if (config_get_transcript_text_color(SPEAKER_WIZARD, &color))
+		gtk_widget_modify_text(transcript_wizard_widget,
+				       GTK_STATE_NORMAL, &color);
+	if (config_get_transcript_bg_color(SPEAKER_WIZARD, &color))
+		gtk_widget_modify_bg(transcript_wizard_widget,
+				     GTK_STATE_NORMAL, &color);
+
+	GTK_EXPERIMENT_TRANSCRIPT(transcript_proband_widget)->speaker =
+							g_strdup(SPEAKER_PROBAND);
+	font_desc = config_get_transcript_font(SPEAKER_PROBAND);
+	if (font_desc != NULL) {
+		gtk_widget_modify_font(transcript_proband_widget, font_desc);
+		pango_font_description_free(font_desc);
+	}
+	if (config_get_transcript_text_color(SPEAKER_PROBAND, &color))
+		gtk_widget_modify_text(transcript_proband_widget,
+				       GTK_STATE_NORMAL, &color);
+	if (config_get_transcript_bg_color(SPEAKER_PROBAND, &color))
+		gtk_widget_modify_bg(transcript_proband_widget,
+				     GTK_STATE_NORMAL, &color);
+
 	format_selection_init();
 
 	refresh_quickopen_menu(GTK_MENU(quickopen_menu));
@@ -321,6 +352,21 @@ main(int argc, char *argv[])
 	gtk_main();
 	gdk_threads_leave();
 
+	/** @todo only modify style if it isn't the default widget style */
+	config_set_transcript_font(SPEAKER_WIZARD,
+				   transcript_wizard_widget->style->font_desc);
+	config_set_transcript_text_color(SPEAKER_WIZARD,
+					 &transcript_wizard_widget->style->text[GTK_STATE_NORMAL]);
+	config_set_transcript_bg_color(SPEAKER_WIZARD,
+				       &transcript_wizard_widget->style->bg[GTK_STATE_NORMAL]);
+
+	config_set_transcript_font(SPEAKER_PROBAND,
+				   transcript_proband_widget->style->font_desc);
+	config_set_transcript_text_color(SPEAKER_PROBAND,
+					 &transcript_proband_widget->style->text[GTK_STATE_NORMAL]);
+	config_set_transcript_bg_color(SPEAKER_PROBAND,
+				       &transcript_proband_widget->style->bg[GTK_STATE_NORMAL]);
+
 	config_save_key_file();
 
 	return 0;