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main
src/expression/exp_constant.c
51 строка
1 KB
M0JXD
Add space for all stat =g_application_run
01 ноя 2025, 03:42
01 ноя 2025, 03:42
4ddec85
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#include <gtk/gtk.h> GtkWidget *win; static void app_activate (GApplication *application) { gtk_window_present (GTK_WINDOW (win)); } static void app_startup (GApplication *application) { GtkApplication *app = GTK_APPLICATION (application); GtkWidget *label; GtkExpression *expression; GValue value = G_VALUE_INIT; char *s; win = gtk_application_window_new (app); gtk_window_set_default_size (GTK_WINDOW (win), 600, 400); label = gtk_label_new (NULL); gtk_window_set_child (GTK_WINDOW (win), label); /* Create an expression */ expression = gtk_constant_expression_new (G_TYPE_INT,100); /* Evaluate the expression */ if (gtk_expression_evaluate (expression, NULL, &value)) { s = g_strdup_printf ("%d", g_value_get_int (&value)); gtk_label_set_text (GTK_LABEL (label), s); g_free (s); } else g_print ("The constant expression wasn't evaluated correctly.\n"); gtk_expression_unref (expression); g_value_unset (&value); } #define APPLICATION_ID "com.github.ToshioCP.exp_constant" int main (int argc, char **argv) { GtkApplication *app; int stat; app = gtk_application_new (APPLICATION_ID, G_APPLICATION_DEFAULT_FLAGS); g_signal_connect (app, "startup", G_CALLBACK (app_startup), NULL); g_signal_connect (app, "activate", G_CALLBACK (app_activate), NULL); stat = g_application_run (G_APPLICATION (app), argc, argv); g_object_unref (app); return stat; }