gui.c

#include "gui.h"

#define true 1
#define false 0

int gui_init(int *argc, char ***argv) {
	gtk_init (argc, argv);
	return 0;
}

int showMessage(int message_type, char *text, char *defaultText, char **reply) {
	GtkWidget *window;
	GtkWidget *entry;
	GtkWidget *buttonOkay;
	GtkWidget *buttonCancel;
	GtkWidget *buttonBox;
	GtkWidget *mainBox;
	GtkWidget *label;
	gboolean ret;
	char *entryText;

	ret = true;

	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title(GTK_WINDOW(window), "model-ghdl");

	label = gtk_label_new(text);
	gtk_widget_show(label);

	entry = gtk_entry_new();
	gtk_entry_set_text(GTK_ENTRY(entry), (char*) defaultText);
	g_signal_connect (entry, "activate",
			  G_CALLBACK(okay), entry);

	buttonOkay = gtk_button_new_with_label("Okay!");
	gtk_widget_show(buttonOkay);

	if (MESSAGE_IS_INPUT(message_type)) {
		buttonCancel = gtk_button_new_with_label("Cancel");
		g_signal_connect (buttonCancel, "clicked",
				  G_CALLBACK(cancel), entry);
		gtk_widget_show(buttonCancel);

		gtk_widget_show(entry);
	}

	buttonBox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
	if (MESSAGE_IS_INPUT(message_type)) {
		gtk_box_pack_start(GTK_BOX(buttonBox), buttonCancel, true, true, 0);
	}
	gtk_box_pack_start(GTK_BOX(buttonBox), buttonOkay, true, true, 0);
	g_signal_connect (buttonOkay, "clicked",
			  G_CALLBACK(okay), entry);
	gtk_widget_show(buttonBox);

	mainBox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
	gtk_box_pack_start(GTK_BOX(mainBox), label, true, true, 10);
	if (MESSAGE_IS_INPUT(message_type)) {
		gtk_box_pack_start(GTK_BOX(mainBox), entry, true, true, 0);
	}
	gtk_box_pack_start(GTK_BOX(mainBox), buttonBox, false, false, 0);
	gtk_widget_show(mainBox);

	g_signal_connect (window, "destroy",
			  G_CALLBACK (cancel), NULL);

	gtk_container_add(GTK_CONTAINER(window), mainBox);
	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
	gtk_window_set_default_size(GTK_WINDOW(window), 320, 10);
	gtk_window_present(GTK_WINDOW(window));

	gtk_main();

	if (MESSAGE_IS_INPUT(message_type)) {
		entryText = (char*) gtk_entry_get_text(GTK_ENTRY(entry));
		if (entryText[0] == 0) {
			ret = false;
		}
		else {
			*reply = realloc(*reply, sizeof(char)*strlen(entryText));
			if (*reply != NULL)
				strcpy(*reply, entryText);
			ret =  true;
		}
	}

	gtk_widget_destroy(window);
	return ret;
}

static void okay(GtkWidget *widget, gpointer data)
{
	//g_print ("TEXT = %s\n", gtk_entry_get_text(GTK_ENTRY(data)));
	gtk_main_quit();
}

static void cancel(GtkWidget *widget, gpointer data)
{
	gtk_entry_set_text(GTK_ENTRY(data), "");
	gtk_main_quit();
}