practice-timer/TimerMainWindow.c

#include "TimerMainWindow.h"
#include "TimerClock.h"
#include "TimerEditWindow.h"
#include "TimerSettingsWindow.h"
#include "TimerMiniWindow.h"

#include <math.h>

struct _TimerMainWindow {
    GtkApplicationWindow parent;

    GtkWidget *timerButton;
    GtkWidget *timerLabel;
    GtkWidget *nameBox;
    GtkWidget *startStopButton;
    GtkWidget *resetButton;
    GtkWidget *saveButton;
    GtkWidget *optionsButton;
    GtkWidget *taskTreeBox;
    GtkWidget *taskTree;
    GtkWidget *shrinkButton;

    TimerClock *timerClock;
    TimerClock *updateClock;
    GKeyFile *keyFile;

    TimerMiniWindow *miniWindow;
    int miniWindowFirstOpen;
    int miniWindowMode;

    char *labelColorString;

    GDateTime *lastUpdateTime;

    /* time in seconds */
    gint64 currentTime;
    GDateTime *startTime;
};

G_DEFINE_TYPE(TimerMainWindow, timer_main_window, GTK_TYPE_APPLICATION_WINDOW);

static gboolean timer_main_window_get_boolean_with_default(
        TimerMainWindow *self, const char *group, const char *key, gboolean def) {
    GError *err = NULL;
    gboolean b = g_key_file_get_boolean(self->keyFile, group, key, &err);
    if (err != NULL) {
        g_error_free(err);
        return def;
    }
    return b;
}

static char *timer_main_window_get_string_with_default(TimerMainWindow *self,
        const char *group,
        const char *key,
        const char *def) {
    GError *err = NULL;
    char *s = g_key_file_get_string(self->keyFile, group, key, &err);
    if (err != NULL) {
        g_error_free(err);
        return g_strdup(def);
    }
    return s;
}

static void timer_main_window_make_data_file(TimerMainWindow *self) {
    char *path = timer_main_window_get_string_with_default(self, "Settings",
            "Data Path", timer_application_get_default_data_file(TIMER_APPLICATION(gtk_window_get_application(GTK_WINDOW(self)))));
    GFile *file = g_file_new_for_path(path);
    GFile *parent = g_file_get_parent(file);
    GError *err = NULL;
    g_file_make_directory_with_parents(parent, NULL, &err);
    if (err != NULL) {
        if (err->code != G_IO_ERROR_EXISTS) {
            GtkWidget *msgDiag = gtk_message_dialog_new(
                    NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
                    "Could not create data file: %s", err->message);
            gtk_window_set_position(GTK_WINDOW(msgDiag), GTK_WIN_POS_MOUSE);
            gtk_dialog_run(GTK_DIALOG(msgDiag));
            gtk_widget_destroy(msgDiag);
        }
        g_clear_error(&err);
    }
    GFileOutputStream *stream =
        g_file_create(file, G_FILE_CREATE_NONE, NULL, &err);
    if (err != NULL) {
        if (err->code != G_IO_ERROR_EXISTS) {
            GtkWidget *msgDiag = gtk_message_dialog_new(
                    NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
                    "Could not create data file: %s", err->message);
            gtk_window_set_position(GTK_WINDOW(msgDiag), GTK_WIN_POS_MOUSE);
            gtk_dialog_run(GTK_DIALOG(msgDiag));
            gtk_widget_destroy(msgDiag);
        }
        g_error_free(err);
    } else {
        g_output_stream_write(G_OUTPUT_STREAM(stream), "[]", 2, NULL, &err);
        if (err != NULL) {
            GtkWidget *msgDiag = gtk_message_dialog_new(
                    NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
                    "An internal error occured: %s", err->message);
            gtk_window_set_position(GTK_WINDOW(msgDiag), GTK_WIN_POS_MOUSE);
            gtk_dialog_run(GTK_DIALOG(msgDiag));
            gtk_widget_destroy(msgDiag);
            g_error_free(err);
        }
        g_object_unref(stream);
    }
    timer_task_tree_set_data_path(TIMER_TASK_TREE(self->taskTree), path);
    g_free(path);
    g_object_unref(parent);
    g_object_unref(file);
}

gboolean timer_main_window_is_always_on_top(TimerMainWindow *self) {
    return timer_main_window_get_boolean_with_default(self, "Settings", "Always on Top", FALSE);
}

GDateTime *timer_main_window_get_last_task_end(TimerMainWindow *self) {
    return timer_task_tree_get_last_task_end(TIMER_TASK_TREE(self->taskTree));
}

static void timer_main_window_interpret_settings(TimerMainWindow *self) {
    gtk_window_set_keep_above(GTK_WINDOW(self),
            timer_main_window_get_boolean_with_default(
                self, "Settings", "Always on Top", FALSE));

    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(self->nameBox));
    gtk_combo_box_text_remove_all(timer_mini_window_get_name_box(self->miniWindow));
    gsize len;
    GError *err = NULL;
    char **data = g_key_file_get_string_list(self->keyFile, "Settings", "Tasks",
            &len, &err);
    if (err == NULL) {
        timer_task_tree_set_task_names(TIMER_TASK_TREE(self->taskTree),
                (const char **)data, len);
        gsize i;
        for (i = 0; i < len; ++i) {
            gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(self->nameBox),
                    data[i]);
            gtk_combo_box_text_append_text(timer_mini_window_get_name_box(self->miniWindow),
                    data[i]);
            g_free(data[i]);
        }
        g_free(data);
    } else {
        timer_task_tree_set_task_names(TIMER_TASK_TREE(self->taskTree), NULL,
                0);
        g_error_free(err);
    }
    char *taskName = timer_main_window_get_string_with_default(
            self, "Cache", "Current Name", "");
    gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(self->nameBox))),
            taskName);
    gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(
                        timer_mini_window_get_name_box(self->miniWindow)))), taskName);
    g_free(taskName);
    int x = g_key_file_get_integer(self->keyFile, "Cache", "x", NULL);
    int y = g_key_file_get_integer(self->keyFile, "Cache", "y", NULL);
    int w = g_key_file_get_integer(self->keyFile, "Cache", "width", NULL);
    int h = g_key_file_get_integer(self->keyFile, "Cache", "height", NULL);
    gtk_window_move(GTK_WINDOW(self), x, y);
    gtk_window_resize(GTK_WINDOW(self), w, h);
    timer_main_window_make_data_file(self);
}

TimerMainWindow *timer_main_window_new(TimerApplication *app) {
    TimerMainWindow *win = TIMER_MAIN_WINDOW(
            g_object_new(TIMER_TYPE_MAIN_WINDOW, "application", app, NULL));
    g_key_file_load_from_file(win->keyFile,
            timer_application_get_config_file(app),
            G_KEY_FILE_NONE, NULL);
    timer_main_window_interpret_settings(win);
    timer_task_tree_expand_today(TIMER_TASK_TREE(win->taskTree));
    win->lastUpdateTime = g_date_time_new_now_local();
    timer_clock_start(win->updateClock);
    return win;
}

char *timer_main_window_get_task_csv(TimerMainWindow *self) {
    return timer_task_tree_get_csv(TIMER_TASK_TREE(self->taskTree));
}

TimerDataPoint *timer_main_window_get_day_data(TimerMainWindow *self,
        gsize *len) {
    return timer_task_tree_get_day_data(TIMER_TASK_TREE(self->taskTree), len);
}

TimerDataPoint *timer_main_window_get_task_data(TimerMainWindow *self,
        gsize *len) {
    return timer_task_tree_get_task_data(TIMER_TASK_TREE(self->taskTree), len);
}

static gboolean timer_main_window_update_time(TimerMainWindow *self) {
    int hour = floor(self->currentTime / 3600.0f);
    int minute = floor(self->currentTime / 60.0f) - (hour * 60);
    int second = self->currentTime - (hour * 3600) - (minute * 60);
    char *time = g_strdup_printf(
            "<span foreground='%s'>%02d:%02d:%02d</span>",
            timer_clock_is_running(self->timerClock) ? "red" : self->labelColorString,
            hour, minute, second);
    gtk_label_set_markup(GTK_LABEL(self->timerLabel), time);
    gtk_label_set_markup(timer_mini_window_get_timer_label(self->miniWindow), time);
    g_free(time);
    return FALSE;
}

static void timer_clock_callback(TimerMainWindow *win) {
    ++win->currentTime;
    g_main_context_invoke(NULL, G_SOURCE_FUNC(timer_main_window_update_time), win);
}

static void options_button_callback(GtkWidget *btn, TimerMainWindow *win) {
    TimerSettingsWindow *diag = timer_settings_window_new(
            TIMER_APPLICATION(gtk_window_get_application(GTK_WINDOW(win))),
            win->keyFile, GTK_WINDOW(win));
    int resp = gtk_dialog_run(GTK_DIALOG(diag));
    if (resp == GTK_RESPONSE_APPLY) {
        GKeyFile *sKeyFile = timer_settings_window_get_key_file(diag);
        gsize len;
        char *data = g_key_file_to_data(sKeyFile, &len, NULL);
        g_key_file_load_from_data(win->keyFile, data, len, G_KEY_FILE_NONE,
                NULL);
        g_free(data);
        GError *err = NULL;
        g_key_file_save_to_file(
                win->keyFile,
                timer_application_get_config_file(
                    TIMER_APPLICATION(gtk_window_get_application(GTK_WINDOW(win)))),
                &err);
        if (err != NULL) {
            GtkWidget *msgDiag = gtk_message_dialog_new(
                    GTK_WINDOW(win), GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR,
                    GTK_BUTTONS_OK, "Could not save settings: %s", err->message);
            gtk_window_set_position(GTK_WINDOW(msgDiag), GTK_WIN_POS_MOUSE);
            gtk_dialog_run(GTK_DIALOG(msgDiag));
            g_error_free(err);
            gtk_widget_destroy(msgDiag);
        }
        timer_main_window_interpret_settings(win);
    }
    gtk_widget_destroy(GTK_WIDGET(diag));
}

static void start_stop_button_callback(GtkButton *btn, TimerMainWindow *win) {
    if (timer_clock_is_running(win->timerClock)) {
        timer_clock_stop(win->timerClock);
        gtk_button_set_label(GTK_BUTTON(win->startStopButton), "Start");
        gtk_button_set_label(timer_mini_window_get_start_stop_button(win->miniWindow), "Start");
        timer_main_window_update_time(win);
    } else {
        timer_clock_start(win->timerClock);
        gtk_button_set_label(GTK_BUTTON(win->startStopButton), "Stop");
        gtk_button_set_label(timer_mini_window_get_start_stop_button(win->miniWindow), "Stop");
        gtk_widget_set_sensitive(win->resetButton, TRUE);
        gtk_widget_set_sensitive(win->saveButton, TRUE);
        gtk_widget_set_sensitive(GTK_WIDGET(timer_mini_window_get_save_button(win->miniWindow)), TRUE);
        win->startTime = g_date_time_new_now_local();
        timer_main_window_update_time(win);
    }
}

static void reset_button_callback(GtkButton *btn, TimerMainWindow *win) {
    if (timer_clock_is_running(win->timerClock)) {
        timer_clock_stop(win->timerClock);
    }
    win->currentTime = 0;
    timer_main_window_update_time(win);
    gtk_button_set_label(GTK_BUTTON(win->startStopButton), "Start");
    gtk_button_set_label(timer_mini_window_get_start_stop_button(win->miniWindow), "Start");
    gtk_widget_set_sensitive(win->resetButton, FALSE);
    gtk_widget_set_sensitive(win->saveButton, FALSE);
    gtk_widget_set_sensitive(GTK_WIDGET(timer_mini_window_get_save_button(win->miniWindow)), FALSE);
    g_date_time_unref(win->startTime);
    win->startTime = NULL;
}

static void save_button_callback(GtkButton *btn, TimerMainWindow *win) {
    if (timer_clock_is_running(win->timerClock)) {
        timer_clock_stop(win->timerClock);
    }
    const char *text;
    if (win->miniWindowMode) {
        text = gtk_combo_box_text_get_active_text(timer_mini_window_get_name_box(win->miniWindow));
    } else {
        text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(win->nameBox));
    }
    timer_task_tree_add_task(TIMER_TASK_TREE(win->taskTree), win->startTime,
            strcmp(text, "") == 0 ? "Untitled" : text,
            win->currentTime);
    win->currentTime = 0;
    g_date_time_unref(win->startTime);
    win->startTime = NULL;
    timer_main_window_update_time(win);
    gtk_button_set_label(GTK_BUTTON(win->startStopButton), "Start");
    gtk_button_set_label(timer_mini_window_get_start_stop_button(win->miniWindow), "Start");
    gtk_widget_set_sensitive(win->resetButton, FALSE);
    gtk_widget_set_sensitive(win->saveButton, FALSE);
    gtk_widget_set_sensitive(GTK_WIDGET(timer_mini_window_get_save_button(win->miniWindow)), FALSE);
}

static void timer_button_callback(GtkButton *btn, TimerMainWindow *win) {
    if (timer_clock_is_running(win->timerClock)) {
        timer_clock_stop(win->timerClock);
        timer_main_window_update_time(win);
        gtk_button_set_label(GTK_BUTTON(win->startStopButton), "Start");
        gtk_button_set_label(timer_mini_window_get_start_stop_button(win->miniWindow), "Start");
    }
    gsize optLen;
    const char **names =
        timer_task_tree_get_task_names(TIMER_TASK_TREE(win->taskTree), &optLen);
    GDateTime *start = win->startTime == NULL
        ? g_date_time_new_now_local()
        : g_date_time_to_local(win->startTime);
    TimerEditWindow *diag = timer_edit_window_new(
            gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(win->nameBox)),
            start, win->currentTime, names, optLen, TRUE, timer_main_window_get_last_task_end(win));
    g_date_time_unref(start);
    int resp = gtk_dialog_run(GTK_DIALOG(diag));
    if (resp == GTK_RESPONSE_APPLY) {
        if (win->startTime) {
            g_date_time_unref(win->startTime);
        }
        win->startTime = timer_edit_window_get_start(diag);
        win->currentTime = timer_edit_window_get_length(diag);
        char *name = timer_edit_window_get_name(diag);
        gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(win->nameBox))),
                name);
        g_free(name);
        timer_main_window_update_time(win);
        gtk_widget_set_sensitive(win->resetButton, TRUE);
        gtk_widget_set_sensitive(win->saveButton, TRUE);
        gtk_widget_set_sensitive(GTK_WIDGET(timer_mini_window_get_save_button(win->miniWindow)), TRUE);
    }
    gtk_widget_destroy(GTK_WIDGET(diag));
}

static gboolean do_update_header_dates(TimerMainWindow *win) {
    timer_task_tree_update_header_dates(TIMER_TASK_TREE(win->taskTree));
    return FALSE;
}

static gboolean compare_date(GDateTime *dt1, GDateTime *dt2) {
    int y1, m1, d1, y2, m2, d2;
    g_date_time_get_ymd(dt1, &y1, &m1, &d1);
    g_date_time_get_ymd(dt2, &y2, &m2, &d2);
    return y1 == y2 && m1 == m2 && d1 == d2;
}

static void update_clock_callback(TimerMainWindow *win) {
    GDateTime *now = g_date_time_new_now_local();
    if (!compare_date(win->lastUpdateTime, now)) {
        g_main_context_invoke(NULL, G_SOURCE_FUNC(do_update_header_dates), win);
        g_date_time_unref(win->lastUpdateTime);
        win->lastUpdateTime = now;
    }
}

static void timer_main_window_get_defualt_label_color(TimerMainWindow *self) {
    GtkStyleContext *ctx = gtk_widget_get_style_context(self->timerLabel);
    GdkRGBA color;
    gtk_style_context_get_color(ctx, GTK_STATE_FLAG_NORMAL, &color);
    self->labelColorString = g_strdup_printf(
            "#%x%x%x", (int)round(color.red * 255), (int)round(color.green * 255),
            (int)round(color.blue * 255));
}

static void timer_main_window_save_mini_window_specs(TimerMainWindow *self, int x, int y, int w, int h) {
    g_key_file_set_integer(self->keyFile, "Cache", "smallX", x);
    g_key_file_set_integer(self->keyFile, "Cache", "smallY", y);
    g_key_file_set_integer(self->keyFile, "Cache", "smallW", w);
    g_key_file_set_integer(self->keyFile, "Cache", "smallH", h);
}

static void timer_main_window_read_mini_window_specs(TimerMainWindow *self, int *x, int *y, int *w, int *h) {
    *x = g_key_file_get_integer(self->keyFile, "Cache", "smallX", NULL);
    *y = g_key_file_get_integer(self->keyFile, "Cache", "smallY", NULL);
    *w = g_key_file_get_integer(self->keyFile, "Cache", "smallW", NULL);
    *h = g_key_file_get_integer(self->keyFile, "Cache", "smallH", NULL);
}

static gboolean window_configure_callback(TimerMainWindow *win, GdkEvent *event, gpointer ptr) {
    int x, y, w, h;
    gtk_window_get_size(GTK_WINDOW(win), &w, &h);
    gtk_window_get_position(GTK_WINDOW(win), &x, &y);
    g_key_file_set_integer(win->keyFile, "Cache", "x", x);
    g_key_file_set_integer(win->keyFile, "Cache", "y", y);
    g_key_file_set_integer(win->keyFile, "Cache", "width", w);
    g_key_file_set_integer(win->keyFile, "Cache", "height", h);
    return FALSE;
}

static void window_destroy_callback(TimerMainWindow *win, gpointer ptr) {
    g_key_file_set_string(win->keyFile, "Cache", "Current Name",
            gtk_entry_get_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(win->nameBox)))));
    GError *err = NULL;
    g_key_file_save_to_file(win->keyFile,
            timer_application_get_config_file(TIMER_APPLICATION(
                    gtk_window_get_application(GTK_WINDOW(win)))),
            &err);
    if (err != NULL) {
        GtkWidget *diag = gtk_message_dialog_new(
                NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
                "Could not save window state: %s", err->message);
        gtk_window_set_position(GTK_WINDOW(diag), GTK_WIN_POS_MOUSE);
        gtk_dialog_run(GTK_DIALOG(diag));
        gtk_widget_destroy(diag);
        g_error_free(err);
    }
}

static gboolean window_delete_event(TimerMainWindow *win, GdkEvent *evt, gpointer ptr) {
    if (win->startTime != NULL) {
        GtkWidget *diag = gtk_message_dialog_new(GTK_WINDOW(win), GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, "Are you sure you would like to exit?");
        gtk_window_set_position(GTK_WINDOW(diag), GTK_WIN_POS_MOUSE);
        int resp = gtk_dialog_run(GTK_DIALOG(diag));
        gtk_widget_destroy(diag);
        return resp == GTK_RESPONSE_NO;
    }
    return FALSE;
}

static gboolean mini_window_configure_callback(TimerMiniWindow *win, GdkEvent *event, TimerMainWindow *main) {
    if (main->miniWindowMode) {
        int x, y, w, h;
        gtk_window_get_position(GTK_WINDOW(win), &x, &y);
        gtk_window_get_size(GTK_WINDOW(win), &w, &h);
        timer_main_window_save_mini_window_specs(main, x, y, w, h);
    }
    return FALSE;
}

static gboolean mini_window_delete_event(TimerMiniWindow *win, GdkEvent *evt, TimerMainWindow *main) {
    if (main->startTime != NULL) {
        GtkWidget *diag = gtk_message_dialog_new(GTK_WINDOW(win), GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, "Are you sure you would like to exit?");
        gtk_window_set_position(GTK_WINDOW(diag), GTK_WIN_POS_MOUSE);
        int resp = gtk_dialog_run(GTK_DIALOG(diag));
        gtk_widget_destroy(diag);
        if (resp != GTK_RESPONSE_NO) {
            main->miniWindowMode = FALSE;
            gtk_widget_destroy(GTK_WIDGET(main));
        }
    }
    main->miniWindowMode = FALSE;
    gtk_widget_destroy(GTK_WIDGET(main));
    return TRUE;
}

static void mini_window_expand_callback(GtkButton *btn, TimerMainWindow *win) {
    win->miniWindowMode = FALSE;
    gtk_widget_hide(GTK_WIDGET(win->miniWindow));
    const char *text = gtk_combo_box_text_get_active_text(timer_mini_window_get_name_box(win->miniWindow));
    gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(win->nameBox))), text);
    if (timer_main_window_is_always_on_top(win)) {
        gtk_window_set_keep_above(GTK_WINDOW(win), TRUE);
    }
    gtk_widget_show_all(GTK_WIDGET(win));
    g_key_file_set_boolean(win->keyFile, "Cache", "isMini", FALSE);
}

static void init_mini_window(TimerMainWindow *self) {
    self->miniWindowMode = FALSE;
    self->miniWindowFirstOpen = TRUE;
    self->miniWindow = timer_mini_window_new();
    g_signal_connect(self->miniWindow, "configure-event", G_CALLBACK(mini_window_configure_callback), self);
    g_signal_connect(self->miniWindow, "delete-event", G_CALLBACK(mini_window_delete_event), self);
    g_signal_connect(timer_mini_window_get_start_stop_button(self->miniWindow),
            "clicked", G_CALLBACK(start_stop_button_callback), self);
    g_signal_connect(timer_mini_window_get_save_button(self->miniWindow),
            "clicked", G_CALLBACK(save_button_callback), self);
    g_signal_connect(timer_mini_window_get_expand_button(self->miniWindow),
            "clicked", G_CALLBACK(mini_window_expand_callback), self);
    g_signal_connect(timer_mini_window_get_timer_button(self->miniWindow),
            "clicked", G_CALLBACK(timer_button_callback), self);
}

static void main_window_collapse_callback(GtkButton *btn, TimerMainWindow *win) {
    gtk_widget_hide(GTK_WIDGET(win));
    const char *text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(win->nameBox));
    gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN(timer_mini_window_get_name_box(win->miniWindow)))), text);
    gtk_window_set_keep_above(GTK_WINDOW(win->miniWindow), TRUE);
    gtk_widget_show_all(GTK_WIDGET(win->miniWindow));
    if (win->miniWindowFirstOpen) {
        int x, y, w, h;
        timer_main_window_read_mini_window_specs(win, &x, &y, &w, &h);
        gtk_window_move(GTK_WINDOW(win->miniWindow), x, y);
        gtk_window_resize(GTK_WINDOW(win->miniWindow), w, h);
        win->miniWindowFirstOpen = FALSE;
    }
    win->miniWindowMode = TRUE;
    g_key_file_set_boolean(win->keyFile, "Cache", "isMini", TRUE);
}

void timer_main_window_show_for_mode(TimerMainWindow *self) {
    if (g_key_file_get_boolean(self->keyFile, "Cache", "isMini", NULL)) {
        main_window_collapse_callback(NULL, self);
    } else {
        mini_window_expand_callback(NULL, self);
    }
}

static void timer_main_window_finalize(GObject *self) {
    g_free(TIMER_MAIN_WINDOW(self)->labelColorString);
    g_object_unref(TIMER_MAIN_WINDOW(self)->timerClock);
    g_object_unref(TIMER_MAIN_WINDOW(self)->updateClock);
    gtk_widget_destroy(GTK_WIDGET(TIMER_MAIN_WINDOW(self)->miniWindow));
    if (TIMER_MAIN_WINDOW(self)->lastUpdateTime != NULL) {
        g_date_time_unref(TIMER_MAIN_WINDOW(self)->lastUpdateTime);
    }
    if (TIMER_MAIN_WINDOW(self)->startTime != NULL) {
        g_date_time_unref(TIMER_MAIN_WINDOW(self)->startTime);
    }
    G_OBJECT_CLASS(timer_main_window_parent_class)->finalize(self);
}

static void timer_main_window_class_init(TimerMainWindowClass *class) {
    G_OBJECT_CLASS(class)->finalize = timer_main_window_finalize;
    gtk_widget_class_set_template_from_resource(
            GTK_WIDGET_CLASS(class), "/zander/practicetimer/ui/main-window.glade");
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, timerButton);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, timerLabel);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, nameBox);
    gtk_widget_class_bind_template_child_internal(
            GTK_WIDGET_CLASS(class), TimerMainWindow, startStopButton);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, resetButton);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, saveButton);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, shrinkButton);
    gtk_widget_class_bind_template_child_internal(
            GTK_WIDGET_CLASS(class), TimerMainWindow, optionsButton);
    gtk_widget_class_bind_template_child_internal(GTK_WIDGET_CLASS(class),
            TimerMainWindow, taskTreeBox);
}

static void timer_main_window_init(TimerMainWindow *self) {
    gtk_widget_init_template(GTK_WIDGET(self));
    self->taskTree = timer_task_tree_new();
    gtk_container_add(GTK_CONTAINER(self->taskTreeBox), self->taskTree);
    self->keyFile = g_key_file_new();
    g_signal_connect(self->optionsButton, "clicked",
            G_CALLBACK(options_button_callback), self);
    self->timerClock =
        timer_clock_new(1000, (TimerClockAction)timer_clock_callback, self);
    self->updateClock =
        timer_clock_new(60000 /* one minute */, (TimerClockAction) update_clock_callback, self);
    g_signal_connect(self->startStopButton, "clicked",
            G_CALLBACK(start_stop_button_callback), self);
    g_signal_connect(self->resetButton, "clicked",
            G_CALLBACK(reset_button_callback), self);
    g_signal_connect(self->saveButton, "clicked",
            G_CALLBACK(save_button_callback), self);
    g_signal_connect(self->timerButton, "clicked",
            G_CALLBACK(timer_button_callback), self);
    g_signal_connect(self->shrinkButton, "clicked",
            G_CALLBACK(main_window_collapse_callback), self);
    g_signal_connect(self, "destroy", G_CALLBACK(window_destroy_callback), NULL);
    g_signal_connect(self, "configure-event", G_CALLBACK(window_configure_callback), NULL);
    g_signal_connect(self, "delete-event", G_CALLBACK(window_delete_event), NULL);
    timer_main_window_get_defualt_label_color(self);
    init_mini_window(self);
}