astrognome/src/ag-window.c

1847 lines
54 KiB
C

#include <math.h>
#include <string.h>
#include <glib/gi18n.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <webkit2/webkit2.h>
#include <libgd/gd-main-view.h>
#include <libgd/gd-main-view-generic.h>
#include <gtk/gtk.h>
#include <swe-glib.h>
#include "ag-app.h"
#include "ag-window.h"
#include "ag-chart.h"
#include "ag-settings.h"
#include "ag-db.h"
struct _AgWindowPrivate {
GtkWidget *header_bar;
GtkWidget *menubutton_stack;
GtkWidget *new_back_stack;
GtkWidget *selection_toolbar;
GtkWidget *stack;
GtkWidget *name;
GtkWidget *north_lat;
GtkWidget *south_lat;
GtkWidget *latitude;
GtkWidget *east_long;
GtkWidget *west_long;
GtkWidget *longitude;
GtkWidget *year;
GtkWidget *month;
GtkWidget *day;
GtkWidget *hour;
GtkWidget *minute;
GtkWidget *second;
GtkWidget *timezone;
GtkWidget *house_system;
GtkWidget *tab_list;
GtkWidget *tab_chart;
GtkWidget *tab_edit;
GtkWidget *current_tab;
GtkWidget *aspect_table;
GtkWidget *chart_web_view;
GtkAdjustment *year_adjust;
AgSettings *settings;
AgChart *chart;
gboolean aspect_table_populated;
GtkTextBuffer *note_buffer;
GtkListStore *house_system_model;
GtkListStore *db_chart_data;
AgDbSave *saved_data;
};
G_DEFINE_QUARK(ag_window_error_quark, ag_window_error);
G_DEFINE_TYPE_WITH_PRIVATE(AgWindow, ag_window, GTK_TYPE_APPLICATION_WINDOW);
static void
ag_window_gear_menu_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GVariant *state;
state = g_action_get_state(G_ACTION(action));
g_action_change_state(
G_ACTION(action),
g_variant_new_boolean(!g_variant_get_boolean(state))
);
g_variant_unref(state);
}
static void
ag_window_view_menu_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GVariant *state;
state = g_action_get_state(G_ACTION(action));
g_action_change_state(
G_ACTION(action),
g_variant_new_boolean(!g_variant_get_boolean(state))
);
g_variant_unref(state);
}
const gchar *
ag_window_planet_character(GswePlanet planet)
{
switch (planet) {
case GSWE_PLANET_ASCENDANT:
return "AC";
case GSWE_PLANET_MC:
return "MC";
case GSWE_PLANET_VERTEX:
return "Vx";
case GSWE_PLANET_SUN:
return "";
case GSWE_PLANET_MOON:
return "";
case GSWE_PLANET_MOON_NODE:
return "";
case GSWE_PLANET_MERCURY:
return "";
case GSWE_PLANET_VENUS:
return "";
case GSWE_PLANET_MARS:
return "";
case GSWE_PLANET_JUPITER:
return "";
case GSWE_PLANET_SATURN:
return "";
case GSWE_PLANET_URANUS:
return "";
case GSWE_PLANET_NEPTUNE:
return "";
case GSWE_PLANET_PLUTO:
return "";
case GSWE_PLANET_CERES:
return "";
case GSWE_PLANET_PALLAS:
return "";
case GSWE_PLANET_JUNO:
return "";
case GSWE_PLANET_VESTA:
return "";
case GSWE_PLANET_CHIRON:
return "";
case GSWE_PLANET_MOON_APOGEE:
return "";
default:
return NULL;
}
}
GtkWidget *
ag_window_create_planet_widget(GswePlanetInfo *planet_info)
{
const gchar *planet_char;
GswePlanet planet = gswe_planet_info_get_planet(planet_info);
GSettings *settings = ag_settings_peek_main_settings(ag_settings_get());
if (
((planet_char = ag_window_planet_character(planet)) != NULL)
&& (g_settings_get_boolean(settings, "planets-char"))
)
{
return gtk_label_new(planet_char);
}
switch (planet) {
case GSWE_PLANET_SUN:
return gtk_image_new_from_resource(
"/eu/polonkai/gergely"
"/Astrognome/default-icons/planet-sun.svg"
);
default:
return gtk_label_new(gswe_planet_info_get_name(planet_info));
}
}
const gchar *
ag_window_aspect_character(GsweAspect aspect)
{
switch (aspect) {
case GSWE_ASPECT_CONJUCTION:
return "";
case GSWE_ASPECT_OPPOSITION:
return "";
case GSWE_ASPECT_QUINTILE:
return "Q";
case GSWE_ASPECT_BIQUINTILE:
return "BQ";
case GSWE_ASPECT_SQUARE:
return "";
case GSWE_ASPECT_TRINE:
return "";
case GSWE_ASPECT_SEXTILE:
return "";
case GSWE_ASPECT_SEMISEXTILE:
return "";
case GSWE_ASPECT_QUINCUNX:
return "";
case GSWE_ASPECT_SESQUISQUARE:
return "";
default:
return NULL;
}
}
GtkWidget *
ag_window_create_aspect_widget(GsweAspectInfo *aspect_info)
{
const gchar *aspect_char;
GsweAspect aspect = gswe_aspect_info_get_aspect(aspect_info);
GSettings *settings = ag_settings_peek_main_settings(ag_settings_get());
if (
((aspect_char = ag_window_aspect_character(aspect)) != NULL)
&& (g_settings_get_boolean(settings, "aspects-char"))
)
{
return gtk_label_new(aspect_char);
}
switch (aspect) {
default:
return gtk_label_new(gswe_aspect_info_get_name(aspect_info));
}
}
void
ag_window_redraw_aspect_table(AgWindow *window)
{
GList *planet_list,
*planet1,
*planet2;
guint i,
j;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
planet_list = ag_chart_get_planets(priv->chart);
if (priv->aspect_table_populated == FALSE) {
GList *planet;
guint i;
for (
planet = planet_list, i = 0;
planet;
planet = g_list_next(planet), i++
) {
GtkWidget *label_hor,
*label_ver,
*current_widget;
GswePlanet planet_id;
GswePlanetData *planet_data;
GswePlanetInfo *planet_info;
planet_id = GPOINTER_TO_INT(planet->data);
planet_data = gswe_moment_get_planet(
GSWE_MOMENT(priv->chart),
planet_id,
NULL
);
planet_info = gswe_planet_data_get_planet_info(planet_data);
if ((current_widget = gtk_grid_get_child_at(
GTK_GRID(priv->aspect_table),
i + 1, i
)) != NULL) {
gtk_container_remove(
GTK_CONTAINER(priv->aspect_table),
current_widget
);
}
label_hor = ag_window_create_planet_widget(planet_info);
gtk_grid_attach(
GTK_GRID(priv->aspect_table),
label_hor,
i + 1, i,
1, 1
);
if (i > 0) {
if ((current_widget = gtk_grid_get_child_at(
GTK_GRID(priv->aspect_table),
0, i
)) != NULL) {
gtk_container_remove(
GTK_CONTAINER(priv->aspect_table),
current_widget
);
}
label_ver = ag_window_create_planet_widget(planet_info);
gtk_grid_attach(
GTK_GRID(priv->aspect_table),
label_ver,
0, i,
1, 1
);
}
}
priv->aspect_table_populated = TRUE;
}
for (
planet1 = planet_list, i = 0;
planet1;
planet1 = g_list_next(planet1), i++
) {
for (
planet2 = planet_list, j = 0;
planet2;
planet2 = g_list_next(planet2), j++
) {
GsweAspectData *aspect;
GtkWidget *aspect_widget;
GError *err = NULL;
if (GPOINTER_TO_INT(planet1->data)
== GPOINTER_TO_INT(planet2->data)
) {
break;
}
if ((aspect_widget = gtk_grid_get_child_at(
GTK_GRID(priv->aspect_table),
j + 1, i
)) != NULL) {
gtk_container_remove(
GTK_CONTAINER(priv->aspect_table),
aspect_widget
);
}
if ((aspect = gswe_moment_get_aspect_by_planets(
GSWE_MOMENT(priv->chart),
GPOINTER_TO_INT(planet1->data),
GPOINTER_TO_INT(planet2->data),
&err
)) != NULL) {
GsweAspectInfo *aspect_info;
aspect_info = gswe_aspect_data_get_aspect_info(aspect);
if (gswe_aspect_data_get_aspect(aspect) != GSWE_ASPECT_NONE) {
aspect_widget = ag_window_create_aspect_widget(aspect_info);
gtk_grid_attach(
GTK_GRID(priv->aspect_table),
aspect_widget,
j + 1, i,
1, 1
);
}
} else if (err) {
g_warning("%s\n", err->message);
} else {
g_error(
"No aspect is returned between two planets. " \
"This is a bug in SWE-GLib!"
);
}
}
}
gtk_widget_show_all(priv->aspect_table);
}
void
ag_window_redraw_chart(AgWindow *window)
{
GError *err = NULL;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gchar *svg_content = ag_chart_create_svg(priv->chart, NULL, &err);
if (svg_content == NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_WARNING,
"Unable to draw chart: %s",
err->message
);
} else {
webkit_web_view_load_html(
WEBKIT_WEB_VIEW(priv->chart_web_view),
svg_content, NULL
);
g_free(svg_content);
}
ag_window_redraw_aspect_table(window);
}
static gboolean
ag_window_set_house_system(GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
AgWindow *window)
{
GsweHouseSystem row_house_system;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
GsweHouseSystem house_system = gswe_moment_get_house_system(
GSWE_MOMENT(priv->chart)
);
gtk_tree_model_get(
GTK_TREE_MODEL(priv->house_system_model),
iter,
0, &row_house_system,
-1
);
if (house_system == row_house_system) {
gtk_combo_box_set_active_iter(GTK_COMBO_BOX(priv->house_system), iter);
return TRUE;
}
return FALSE;
}
void
ag_window_update_from_chart(AgWindow *window)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
GsweTimestamp *timestamp = gswe_moment_get_timestamp(
GSWE_MOMENT(priv->chart)
);
GsweCoordinates *coordinates = gswe_moment_get_coordinates(
GSWE_MOMENT(priv->chart)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->year),
gswe_timestamp_get_gregorian_year(timestamp, NULL)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->month),
gswe_timestamp_get_gregorian_month(timestamp, NULL)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->day),
gswe_timestamp_get_gregorian_day(timestamp, NULL)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->hour),
gswe_timestamp_get_gregorian_hour(timestamp, NULL)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->minute),
gswe_timestamp_get_gregorian_minute(timestamp, NULL)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->second),
gswe_timestamp_get_gregorian_second(timestamp, NULL));
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->timezone),
gswe_timestamp_get_gregorian_timezone(timestamp)
);
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->longitude),
fabs(coordinates->longitude)
);
if (coordinates->longitude < 0.0) {
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->west_long), TRUE);
}
gtk_spin_button_set_value(
GTK_SPIN_BUTTON(priv->latitude),
fabs(coordinates->latitude)
);
if (coordinates->latitude < 0.0) {
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->south_lat), TRUE);
}
gtk_tree_model_foreach(
GTK_TREE_MODEL(priv->house_system_model),
(GtkTreeModelForeachFunc)ag_window_set_house_system,
window
);
gtk_entry_set_text(GTK_ENTRY(priv->name), ag_chart_get_name(priv->chart));
if (ag_chart_get_note(priv->chart)) {
// TODO: maybe setting length to -1 here is not that good of an idea…
gtk_text_buffer_set_text(
GTK_TEXT_BUFFER(priv->note_buffer),
ag_chart_get_note(priv->chart),
-1
);
}
g_free(coordinates);
ag_window_redraw_chart(window);
}
static void
ag_window_chart_changed(AgChart *chart, AgWindow *window)
{
ag_window_redraw_chart(window);
}
static void
ag_window_recalculate_chart(AgWindow *window, gboolean set_everything)
{
AgDbSave *edit_data,
*chart_data;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gboolean south,
west;
GtkTreeIter house_system_iter;
GsweHouseSystem house_system;
GtkTextIter start_iter,
end_iter;
GsweTimestamp *timestamp;
gint db_id = (priv->saved_data) ? priv->saved_data->db_id : -1;
south = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(priv->south_lat)
);
west = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(priv->west_long)
);
edit_data = g_new0(AgDbSave, 1);
edit_data->db_id = db_id;
edit_data->name = g_strdup(gtk_entry_get_text(GTK_ENTRY(priv->name)));
// TODO: This will cause problems with imported charts…
edit_data->country = NULL;
edit_data->city = NULL;
edit_data->longitude = gtk_spin_button_get_value(
GTK_SPIN_BUTTON(priv->longitude)
);
if (west) {
edit_data->longitude = - edit_data->longitude;
}
edit_data->latitude = gtk_spin_button_get_value(
GTK_SPIN_BUTTON(priv->latitude)
);
if (south) {
edit_data->latitude = - edit_data->latitude;
}
// TODO: So as this…
edit_data->altitude = 280.0;
edit_data->year = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->year)
);
edit_data->month = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->month)
);
edit_data->day = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->day)
);
edit_data->hour = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->hour)
);
edit_data->minute = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->minute)
);
edit_data->second = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(priv->second)
);
edit_data->timezone = gtk_spin_button_get_value(
GTK_SPIN_BUTTON(priv->timezone)
);
if (!gtk_combo_box_get_active_iter(
GTK_COMBO_BOX(priv->house_system),
&house_system_iter
)) {
g_error("House system is not set! This is clearly a bug.");
}
gtk_tree_model_get(
GTK_TREE_MODEL(priv->house_system_model),
&house_system_iter,
0, &house_system,
-1
);
edit_data->house_system = g_strdup(
ag_house_system_id_to_nick(house_system)
);
gtk_text_buffer_get_bounds(priv->note_buffer, &start_iter, &end_iter);
edit_data->note = gtk_text_buffer_get_text(
priv->note_buffer,
&start_iter, &end_iter,
TRUE
);
chart_data = (priv->chart)
? ag_chart_get_db_save(priv->chart, db_id)
: NULL
;
if (ag_db_save_identical(edit_data, chart_data, !set_everything)) {
g_debug("No redrawing needed");
ag_db_save_data_free(edit_data);
ag_db_save_data_free(chart_data);
return;
}
ag_db_save_data_free(chart_data);
g_debug("Recalculating chart data");
// TODO: Set timezone according to the city selected!
if (priv->chart == NULL) {
timestamp = gswe_timestamp_new_from_gregorian_full(
edit_data->year, edit_data->month, edit_data->day,
edit_data->hour, edit_data->minute, edit_data->second, 0,
edit_data->timezone
);
priv->chart = ag_chart_new_full(
timestamp,
edit_data->longitude, edit_data->latitude, edit_data->altitude,
house_system
);
g_signal_connect(
priv->chart,
"changed",
G_CALLBACK(ag_window_chart_changed),
window
);
ag_window_redraw_chart(window);
} else {
gswe_moment_set_house_system(GSWE_MOMENT(priv->chart), house_system);
timestamp = gswe_moment_get_timestamp(GSWE_MOMENT(priv->chart));
gswe_timestamp_set_gregorian_full(
timestamp,
edit_data->year, edit_data->month, edit_data->day,
edit_data->hour, edit_data->minute, edit_data->second, 0,
edit_data->timezone,
NULL
);
}
if (set_everything) {
ag_chart_set_name(priv->chart, edit_data->name);
ag_chart_set_country(priv->chart, edit_data->country);
ag_chart_set_city(priv->chart, edit_data->city);
ag_chart_set_note(priv->chart, edit_data->note);
}
ag_db_save_data_free(edit_data);
}
static void
ag_window_export_svg(AgWindow *window, GError **err)
{
gchar *name;
gchar *file_name;
GtkWidget *fs;
gint response;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
ag_window_recalculate_chart(window, TRUE);
// We should never enter here, but who knows...
if (priv->chart == NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
_("Chart cannot be calculated.")
);
g_set_error(
err,
AG_WINDOW_ERROR, AG_WINDOW_ERROR_EMPTY_CHART,
"Chart is empty"
);
return;
}
name = ag_chart_get_name(priv->chart);
if ((name == NULL) || (*name == 0)) {
g_free(name);
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
_("You must enter a name before saving a chart.")
);
g_set_error(
err,
AG_WINDOW_ERROR, AG_WINDOW_ERROR_NO_NAME,
"No name specified"
);
return;
}
file_name = g_strdup_printf("%s.svg", name);
g_free(name);
fs = gtk_file_chooser_dialog_new(_("Export Chart as SVG"),
GTK_WINDOW(window),
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Save"), GTK_RESPONSE_ACCEPT,
NULL);
gtk_dialog_set_default_response(GTK_DIALOG(fs), GTK_RESPONSE_ACCEPT);
gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(fs), FALSE);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(fs), TRUE);
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(fs), file_name);
g_free(file_name);
response = gtk_dialog_run(GTK_DIALOG(fs));
gtk_widget_hide(fs);
if (response == GTK_RESPONSE_ACCEPT) {
GFile *file = gtk_file_chooser_get_file(GTK_FILE_CHOOSER(fs));
ag_chart_export_svg_to_file(priv->chart, file, err);
}
gtk_widget_destroy(fs);
}
static void
ag_window_export_svg_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
GError *err = NULL;
ag_window_export_svg(window, &err);
if (err) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"%s",
err->message
);
}
}
static void
ag_window_export(AgWindow *window, GError **err)
{
gchar *name;
gchar *file_name;
GtkWidget *fs;
gint response;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
ag_window_recalculate_chart(window, FALSE);
// We should never enter here, but who knows...
if (priv->chart == NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
_("Chart cannot be calculated.")
);
g_set_error(
err,
AG_WINDOW_ERROR, AG_WINDOW_ERROR_EMPTY_CHART,
"Chart is empty"
);
return;
}
name = ag_chart_get_name(priv->chart);
if ((name == NULL) || (*name == 0)) {
g_free(name);
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
_("You must enter a name before saving a chart.")
);
g_set_error(
err,
AG_WINDOW_ERROR, AG_WINDOW_ERROR_NO_NAME,
"No name specified"
);
return;
}
file_name = g_strdup_printf("%s.agc", name);
g_free(name);
fs = gtk_file_chooser_dialog_new(_("Export Chart"),
GTK_WINDOW(window),
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Save"), GTK_RESPONSE_ACCEPT,
NULL);
gtk_dialog_set_default_response(GTK_DIALOG(fs), GTK_RESPONSE_ACCEPT);
gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(fs), FALSE);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(fs), TRUE);
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(fs), file_name);
g_free(file_name);
response = gtk_dialog_run(GTK_DIALOG(fs));
gtk_widget_hide(fs);
if (response == GTK_RESPONSE_ACCEPT) {
GFile *file = gtk_file_chooser_get_file(GTK_FILE_CHOOSER(fs));
ag_chart_save_to_file(priv->chart, file, err);
}
gtk_widget_destroy(fs);
}
static void
ag_window_export_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
GError *err = NULL;
ag_window_recalculate_chart(window, TRUE);
ag_window_export(window, &err);
if (err) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"%s", err->message
);
}
}
gboolean
ag_window_can_close(AgWindow *window, gboolean display_dialog)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gint db_id = (priv->saved_data)
? priv->saved_data->db_id
: -1;
AgDbSave *save_data = NULL;
AgDb *db = ag_db_get();
GError *err = NULL;
gboolean ret = TRUE;
if (priv->chart) {
ag_window_recalculate_chart(window, TRUE);
save_data = ag_chart_get_db_save(priv->chart, db_id);
if (
!ag_db_save_identical(priv->saved_data, save_data, FALSE)
|| !(priv->saved_data)
|| (priv->saved_data->db_id == -1)
) {
g_debug("Save is needed!");
if (display_dialog) {
gint response;
response = ag_app_buttoned_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_QUESTION,
_("Chart is not saved. Do you want to save it?"),
_("Save and close"), GTK_RESPONSE_YES,
_("Close without saving"), GTK_RESPONSE_NO,
_("Return to chart"), GTK_RESPONSE_CANCEL,
NULL
);
switch (response) {
case GTK_RESPONSE_YES:
if (!ag_db_save_chart(db, save_data, &err)) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"Unable to save chart: %s",
err->message
);
ret = FALSE;
} else {
ret = TRUE;
}
break;
case GTK_RESPONSE_NO:
ret = TRUE;
break;
default:
ret = FALSE;
break;
}
} else {
ret = FALSE;
}
}
}
ag_db_save_data_free(save_data);
return ret;
}
static void
ag_window_save_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
AgDb *db = ag_db_get();
GError *err = NULL;
gint old_id;
AgDbSave *save_data;
ag_window_recalculate_chart(window, TRUE);
if (!ag_window_can_close(window, FALSE)) {
old_id = (priv->saved_data) ? priv->saved_data->db_id : -1;
save_data = ag_chart_get_db_save(priv->chart, old_id);
if (!ag_db_save_chart(db, save_data, &err)) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
_("Unable to save: %s"),
err->message
);
}
ag_db_save_data_free(priv->saved_data);
priv->saved_data = save_data;
}
}
static void
ag_window_close_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
if (ag_window_can_close(window, TRUE)) {
gtk_widget_destroy(GTK_WIDGET(window));
}
}
gboolean
ag_window_delete_event_callback(AgWindow *window,
GdkEvent *event,
gpointer user_data)
{
return (!ag_window_can_close(window, TRUE));
}
void
ag_window_tab_changed_cb(GtkStack *stack, GParamSpec *pspec, AgWindow *window)
{
GtkWidget *active_tab;
const gchar *active_tab_name = gtk_stack_get_visible_child_name(stack);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
g_debug("Active tab changed: %s", active_tab_name);
if (active_tab_name == NULL) {
return;
}
active_tab = gtk_stack_get_visible_child(stack);
if (strcmp("chart", active_tab_name) == 0) {
gtk_widget_set_size_request(active_tab, 600, 600);
}
if (strcmp("list", active_tab_name) == 0) {
gtk_stack_set_visible_child_name(
GTK_STACK(priv->menubutton_stack),
"list"
);
gtk_stack_set_visible_child_name(
GTK_STACK(priv->new_back_stack),
"new"
);
} else {
gtk_stack_set_visible_child_name(
GTK_STACK(priv->menubutton_stack),
"chart"
);
gtk_stack_set_visible_child_name(
GTK_STACK(priv->new_back_stack),
"back"
);
// Note that priv->current_tab is actually the previously selected tab,
// not the real active one!
if (priv->current_tab == priv->tab_edit) {
ag_window_recalculate_chart(window, FALSE);
}
}
priv->current_tab = active_tab;
}
static void
ag_window_change_tab_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
const gchar *target_tab = g_variant_get_string(parameter, NULL);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), target_tab);
g_action_change_state(G_ACTION(action), parameter);
}
static gboolean
ag_window_set_default_house_system(GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
AgWindow *window)
{
GsweHouseSystem row_house_system;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
AgSettings *settings = ag_settings_get();
GSettings *main_settings = ag_settings_peek_main_settings(settings);
GsweHouseSystem house_system = g_settings_get_enum(
main_settings,
"default-house-system"
);
g_object_unref(settings);
gtk_tree_model_get(
GTK_TREE_MODEL(priv->house_system_model),
iter,
0, &row_house_system,
-1
);
if (house_system == row_house_system) {
gtk_combo_box_set_active_iter(GTK_COMBO_BOX(priv->house_system), iter);
return TRUE;
}
return FALSE;
}
static void
ag_window_new_chart_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
/* Empty edit tab values */
gtk_entry_set_text(GTK_ENTRY(priv->name), "");
//gtk_entry_set_text(GTK_ENTRY(priv->country), "");
//gtk_entry_set_text(GTK_ENTRY(priv->city), "");
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->year), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->month), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->day), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->hour), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->minute), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->second), (gdouble)1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->timezone), 0.0);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->north_lat), TRUE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->east_long), TRUE);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->longitude), 0.0);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(priv->latitude), 0.0);
gtk_tree_model_foreach(
GTK_TREE_MODEL(priv->house_system_model),
(GtkTreeModelForeachFunc)ag_window_set_default_house_system,
window
);
gtk_text_buffer_set_text(GTK_TEXT_BUFFER(priv->note_buffer), "", 0);
if (priv->chart) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"This window already has a chart. " \
"This should not happen, " \
"please consider issuing a bug report!"
);
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), "chart");
return;
}
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), "edit");
}
static void
ag_window_back_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(user_data);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
g_debug("Back button pressed");
if (ag_window_can_close(window, TRUE)) {
g_clear_object(&(priv->chart));
ag_db_save_data_free(priv->saved_data);
priv->saved_data = NULL;
ag_window_load_chart_list(window);
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), "list");
gtk_header_bar_set_subtitle(GTK_HEADER_BAR(priv->header_bar), NULL);
}
}
static void
ag_window_refresh_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
ag_window_load_chart_list(AG_WINDOW(user_data));
}
static void
ag_window_selection_mode_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GVariant *state;
gboolean new_state;
GtkStyleContext *style;
AgWindow *window = AG_WINDOW(user_data);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
state = g_action_get_state(G_ACTION(action));
new_state = !g_variant_get_boolean(state);
g_action_change_state(G_ACTION(action), g_variant_new_boolean(new_state));
g_variant_unref(state);
style = gtk_widget_get_style_context(priv->header_bar);
if (new_state) {
gtk_header_bar_set_show_close_button(
GTK_HEADER_BAR(priv->header_bar),
FALSE
);
gtk_style_context_add_class(style, "selection-mode");
gd_main_view_set_selection_mode(GD_MAIN_VIEW(priv->tab_list), TRUE);
gtk_widget_hide(priv->new_back_stack);
gtk_stack_set_visible_child_name(
GTK_STACK(priv->menubutton_stack),
"selection"
);
} else {
gtk_header_bar_set_show_close_button(
GTK_HEADER_BAR(priv->header_bar),
TRUE
);
gtk_style_context_remove_class(style, "selection-mode");
gd_main_view_set_selection_mode(GD_MAIN_VIEW(priv->tab_list), FALSE);
gtk_widget_show_all(priv->new_back_stack);
gtk_stack_set_visible_child_name(
GTK_STACK(priv->menubutton_stack),
"list"
);
}
}
static void
ag_window_delete_action(GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GList *selection,
*item;
GtkTreeModel *model;
AgWindow *window = AG_WINDOW(user_data);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
AgDb *db = ag_db_get();
selection = gd_main_view_get_selection(GD_MAIN_VIEW(priv->tab_list));
model = gd_main_view_get_model(GD_MAIN_VIEW(priv->tab_list));
for (item = selection; item; item = g_list_next(item)) {
GtkTreePath *path = item->data;
GtkTreeIter iter;
gchar *id_str;
gint id;
GError *err = NULL;
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(
model, &iter,
GD_MAIN_COLUMN_ID, &id_str,
-1
);
id = atoi(id_str);
g_free(id_str);
if (!ag_db_delete_chart(db, id, &err)) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"Unable to delete chart: %s",
(err && err->message)
? err->message
: "No reason"
);
}
}
g_action_group_activate_action(G_ACTION_GROUP(window), "selection", NULL);
g_action_group_activate_action(G_ACTION_GROUP(window), "refresh", NULL);
}
static GActionEntry win_entries[] = {
{ "close", ag_window_close_action, NULL, NULL, NULL },
{ "save", ag_window_save_action, NULL, NULL, NULL },
{ "export", ag_window_export_action, NULL, NULL, NULL },
{ "export-svg", ag_window_export_svg_action, NULL, NULL, NULL },
{ "view-menu", ag_window_view_menu_action, NULL, "false", NULL },
{ "gear-menu", ag_window_gear_menu_action, NULL, "false", NULL },
{ "change-tab", ag_window_change_tab_action, "s", "'edit'", NULL },
{ "new-chart", ag_window_new_chart_action, NULL, NULL, NULL },
{ "back", ag_window_back_action, NULL, NULL, NULL },
{ "refresh", ag_window_refresh_action, NULL, NULL, NULL },
{ "selection", ag_window_selection_mode_action, NULL, "false", NULL },
{ "delete", ag_window_delete_action, NULL, NULL, NULL },
};
static void
ag_window_display_changed(GSettings *settings, gchar *key, AgWindow *window)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
/* The planet symbols are redrawn only if aspect_table_populated is
* set to FALSE */
if (g_str_equal("planets-char", key)) {
priv->aspect_table_populated = FALSE;
}
ag_window_redraw_aspect_table(window);
}
static void
ag_window_add_house_system(GsweHouseSystemInfo *house_system_info,
AgWindowPrivate *priv)
{
GtkTreeIter iter;
gtk_list_store_append(priv->house_system_model, &iter);
gtk_list_store_set(
priv->house_system_model, &iter,
0, gswe_house_system_info_get_house_system(house_system_info),
1, gswe_house_system_info_get_name(house_system_info),
-1
);
}
static void
ag_window_list_item_activated_cb(GdMainView *view,
const gchar *id,
const GtkTreePath *path,
AgWindow *window)
{
guint row_id = atoi(id);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
AgDb *db = ag_db_get();
GError *err = NULL;
if (priv->saved_data != NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"Window chart is not saved. " \
"This is a bug, it should not happen here. " \
"Please consider opening a bug report!"
);
ag_window_change_tab(window, "chart");
return;
}
g_debug("Loading chart with ID %d", row_id);
if ((priv->saved_data = ag_db_get_chart_data_by_id(
db,
row_id,
&err)) == NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"Could not open chart."
);
return;
}
if (priv->chart) {
g_clear_object(&(priv->chart));
}
if ((priv->chart = ag_chart_new_from_db_save(
priv->saved_data,
&err
)) == NULL) {
ag_app_message_dialog(
GTK_WIDGET(window),
GTK_MESSAGE_ERROR,
"Error: %s",
err->message
);
ag_db_save_data_free(priv->saved_data);
priv->saved_data = NULL;
return;
}
ag_window_update_from_chart(window);
ag_window_change_tab(window, "chart");
}
static void
ag_window_list_selection_changed_cb(GdMainView *view, AgWindow *window)
{
GList *selection;
guint count;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
selection = gd_main_view_get_selection(view);
if ((count = g_list_length(selection)) > 0) {
gtk_revealer_set_reveal_child(
GTK_REVEALER(priv->selection_toolbar),
TRUE
);
} else {
gtk_revealer_set_reveal_child(
GTK_REVEALER(priv->selection_toolbar),
FALSE
);
}
// Here it is possible to set button sensitivity later
}
static void
ag_window_init(AgWindow *window)
{
GtkAccelGroup *accel_group;
GSettings *main_settings;
GList *house_system_list;
GtkCellRenderer *house_system_renderer;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gtk_widget_init_template(GTK_WIDGET(window));
priv->settings = ag_settings_get();
main_settings = ag_settings_peek_main_settings(priv->settings);
g_signal_connect(
G_OBJECT(main_settings),
"changed::planets-char",
G_CALLBACK(ag_window_display_changed),
window
);
g_signal_connect(
G_OBJECT(main_settings),
"changed::aspects-char",
G_CALLBACK(ag_window_display_changed),
window
);
house_system_list = gswe_all_house_systems();
g_list_foreach(house_system_list, (GFunc)ag_window_add_house_system, priv);
g_list_free(house_system_list);
gtk_tree_model_foreach(
GTK_TREE_MODEL(priv->house_system_model),
(GtkTreeModelForeachFunc)ag_window_set_default_house_system,
window
);
house_system_renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(
GTK_CELL_LAYOUT(priv->house_system),
house_system_renderer,
TRUE
);
gtk_cell_layout_set_attributes(
GTK_CELL_LAYOUT(priv->house_system),
house_system_renderer,
"text", 1,
NULL
);
priv->tab_list = GTK_WIDGET(gd_main_view_new(GD_MAIN_VIEW_ICON));
gtk_stack_add_titled(
GTK_STACK(priv->stack),
priv->tab_list,
"list",
"Chart list"
);
gd_main_view_set_selection_mode(GD_MAIN_VIEW(priv->tab_list), FALSE);
gd_main_view_set_model(
GD_MAIN_VIEW(priv->tab_list),
GTK_TREE_MODEL(priv->db_chart_data)
);
g_signal_connect(
priv->tab_list,
"item-activated",
G_CALLBACK(ag_window_list_item_activated_cb),
window
);
g_signal_connect(
priv->tab_list,
"view-selection-changed",
G_CALLBACK(ag_window_list_selection_changed_cb),
window
);
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), "list");
priv->current_tab = priv->tab_list;
g_object_set(
priv->year_adjust,
"lower", (gdouble)G_MININT,
"upper", (gdouble)G_MAXINT,
NULL
);
priv->chart = NULL;
g_action_map_add_action_entries(
G_ACTION_MAP(window),
win_entries,
G_N_ELEMENTS(win_entries),
window
);
accel_group = gtk_accel_group_new();
gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
}
static void
ag_window_dispose(GObject *gobject)
{
AgWindowPrivate *priv = ag_window_get_instance_private(AG_WINDOW(gobject));
g_clear_object(&priv->settings);
G_OBJECT_CLASS(ag_window_parent_class)->dispose(gobject);
}
static void
ag_window_class_init(AgWindowClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
gobject_class->dispose = ag_window_dispose;
gtk_widget_class_set_template_from_resource(
widget_class,
"/eu/polonkai/gergely/Astrognome/ui/ag-window.ui"
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
header_bar
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
new_back_stack
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
menubutton_stack
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
db_chart_data
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
tab_edit
);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, name);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, year);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, month);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, day);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, hour);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
minute
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
second
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
timezone
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
north_lat
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
south_lat
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
east_long
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
west_long
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
latitude
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
longitude
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
house_system_model
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
house_system
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
tab_chart
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
aspect_table
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
year_adjust
);
gtk_widget_class_bind_template_child_private(widget_class, AgWindow, stack);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
note_buffer
);
gtk_widget_class_bind_template_child_private(
widget_class,
AgWindow,
selection_toolbar
);
}
gboolean
ag_window_chart_context_cb(WebKitWebView *web_view,
GtkWidget *default_menu,
WebKitHitTestResult *hit_test_result,
gboolean triggered_with_keyboard,
gpointer user_data)
{
return TRUE;
}
static gboolean
ag_window_configure_event_cb(GtkWidget *widget,
GdkEventConfigure *event,
gpointer user_data)
{
AgWindow *window = AG_WINDOW(widget);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
ag_window_settings_save(
GTK_WINDOW(window),
ag_settings_peek_window_settings(priv->settings)
);
return FALSE;
}
GtkWidget *
ag_window_new(AgApp *app, WebKitWebViewGroup *web_view_group)
{
AgWindow *window = g_object_new(AG_TYPE_WINDOW, NULL);
AgWindowPrivate *priv = ag_window_get_instance_private(window);
priv->chart_web_view = webkit_web_view_new_with_group(web_view_group);
gtk_container_add(GTK_CONTAINER(priv->tab_chart), priv->chart_web_view);
// TODO: translate this error message!
webkit_web_view_load_html(
WEBKIT_WEB_VIEW(priv->chart_web_view),
"<html>" \
"<head>" \
"<title>No Chart</title>" \
"</head>" \
"<body>" \
"<h1>No Chart</h1>" \
"<p>No chart is loaded. Create one on the " \
"edit view, or open one from the application menu!</p>" \
"</body>" \
"</html>",
NULL);
gtk_window_set_application(GTK_WINDOW(window), GTK_APPLICATION(app));
gtk_window_set_icon_name(GTK_WINDOW(window), "astrognome");
g_signal_connect(
window,
"configure-event",
G_CALLBACK(ag_window_configure_event_cb),
NULL
);
ag_window_settings_restore(
GTK_WINDOW(window),
ag_settings_peek_window_settings(priv->settings)
);
return GTK_WIDGET(window);
}
void
ag_window_set_chart(AgWindow *window, AgChart *chart)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
if (priv->chart != NULL) {
g_signal_handlers_disconnect_by_func(
priv->chart,
ag_window_chart_changed,
window
);
g_clear_object(&(priv->chart));
}
ag_db_save_data_free(priv->saved_data);
priv->chart = chart;
g_signal_connect(
priv->chart,
"changed",
G_CALLBACK(ag_window_chart_changed),
window
);
g_object_ref(chart);
priv->saved_data = ag_chart_get_db_save(chart, -1);
}
AgChart *
ag_window_get_chart(AgWindow *window)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
return priv->chart;
}
void
ag_window_settings_restore(GtkWindow *window, GSettings *settings)
{
gint width,
height;
gboolean maximized;
GdkScreen *screen;
width = g_settings_get_int(settings, "width");
height = g_settings_get_int(settings, "height");
maximized = g_settings_get_boolean(settings, "maximized");
if ((width > 1) && (height > 1)) {
gint max_width,
max_height;
screen = gtk_widget_get_screen(GTK_WIDGET(window));
max_width = gdk_screen_get_width(screen);
max_height = gdk_screen_get_height(screen);
width = CLAMP(width, 0, max_width);
height = CLAMP(height, 0, max_height);
gtk_window_set_default_size(window, width, height);
}
if (maximized) {
gtk_window_maximize(window);
}
}
void
ag_window_settings_save(GtkWindow *window, GSettings *settings)
{
GdkWindowState state;
gint width,
height;
gboolean maximized;
state = gdk_window_get_state(gtk_widget_get_window(GTK_WIDGET(window)));
maximized = (
(state & GDK_WINDOW_STATE_MAXIMIZED)
== GDK_WINDOW_STATE_MAXIMIZED
);
g_settings_set_boolean(settings, "maximized", maximized);
gtk_window_get_size(window, &width, &height);
g_settings_set_int(settings, "width", width);
g_settings_set_int(settings, "height", height);
}
void
ag_window_change_tab(AgWindow *window, const gchar *tab_name)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gtk_stack_set_visible_child_name(GTK_STACK(priv->stack), tab_name);
g_action_change_state(
g_action_map_lookup_action(G_ACTION_MAP(window), "change-tab"),
g_variant_new_string(tab_name)
);
}
void
ag_window_name_changed_cb(GtkEntry *name_entry, AgWindow *window)
{
const gchar *name;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
name = gtk_entry_get_text(name_entry);
gtk_header_bar_set_subtitle(GTK_HEADER_BAR(priv->header_bar), name);
}
static void
ag_window_add_chart_to_list(AgDbSave *save_data, AgWindow *window)
{
GtkTreeIter iter;
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gchar *id = g_strdup_printf("%d", save_data->db_id);
gtk_list_store_append(priv->db_chart_data, &iter);
gtk_list_store_set(
priv->db_chart_data, &iter,
0, id, /* ID */
1, NULL, /* URI */
2, save_data->name, /* Primary text */
3, NULL, /* Secondary text */
4, NULL, /* Icon */
5, 0, /* mtime */
6, FALSE, /* Selected */
7, 0, /* Pulse */
-1
);
g_free(id);
}
static void
ag_window_clear_chart_list(AgWindow *window)
{
AgWindowPrivate *priv = ag_window_get_instance_private(window);
gtk_list_store_clear(priv->db_chart_data);
}
gboolean
ag_window_load_chart_list(AgWindow *window)
{
AgDb *db = ag_db_get();
GError *err = NULL;
GList *chart_list = ag_db_get_chart_list(db, &err);
ag_window_clear_chart_list(window);
/* With only a few charts, this should be fine. Maybe implementing lazy
* loading would be a better idea. See:
* http://blogs.gnome.org/ebassi/documentation/lazy-loading/
*/
g_list_foreach(chart_list, (GFunc)ag_window_add_chart_to_list, window);
return TRUE;
}