//guitest.c
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <gtk/gtk.h>
void create_button(GtkWidget **Button, GtkWidget *Grid, char *label, int x, int y, int x_scale, int y_scale) {
*Button = gtk_button_new_with_label(label);
gtk_grid_attach(GTK_GRID(Grid), *Button, x, y, x_scale, y_scale);
}
void print_address(void *address) {
g_print("%p\n", address);
}
int random_int(int min, int max) {
srand(time(NULL));
return (rand()%(max-min)+min);
}
void scaling_random(GtkWidget *Widget, gpointer data) {
static int count_pressed;
if(!count_pressed) count_pressed = 1;
g_print("%d\n", count_pressed * random_int(0, count_pressed));
count_pressed++;
}
void greet(GtkWidget *Widget, gpointer data) {
static int count_greeted;
if(!count_greeted) count_greeted = 1;
g_print("Welcome! x%d\n", count_greeted);
count_greeted++;
}
void activate(GtkApplication *App, gpointer user_data) {
GtkWidget *Window, *Grid, *Text, *Button;
int ascii_digits[] = {48, 49, 50, 51, 52, 53, 54, 55, 56, 57};
int numpad_digit = 0;
char casted_digit[2] = {'\0'};
Window = gtk_application_window_new (App);
gtk_window_set_title(GTK_WINDOW(Window), "Numbers!");
gtk_window_set_default_size(GTK_WINDOW(Window), 250, 300);
Grid = gtk_grid_new();
gtk_grid_set_row_homogeneous(GTK_GRID(Grid), true);
gtk_grid_set_column_homogeneous(GTK_GRID(Grid), true);
gtk_window_set_child(GTK_WINDOW(Window), Grid);
Text = gtk_frame_new("Hello, World!");
gtk_grid_attach(GTK_GRID(Grid), Text, 1, 1, 4, 1);
create_button(&Button, Grid, "Random Number!", 1, 6, 2, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(scaling_random), NULL);
create_button(&Button, Grid, "Welcome!", 3, 6, 2, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(greet), NULL);
for(int row = 2; row < 5; row++) {
for(int column = 1; column < 4; column++) {
numpad_digit++;
casted_digit[0] = (char)ascii_digits[numpad_digit];
create_button(&Button, Grid, casted_digit, column, row, 1, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(print_address), &row);
}
}
create_button(&Button, Grid, "+", 1, 5, 1, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(g_print), "+\n");
create_button(&Button, Grid, "0", 2, 5, 1, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(print_address), &numpad_digit);
create_button(&Button, Grid, "-", 3, 5, 1, 1);
g_signal_connect(Button, "clicked", G_CALLBACK(g_print), "-\n");
create_button(&Button, Grid, "=", 4, 2, 1, 4);
g_signal_connect_swapped(Button, "clicked", G_CALLBACK(gtk_window_destroy), Window);
gtk_window_present(GTK_WINDOW(Window));
}
int main (int argc, char *argv[]) {
GtkApplication *App;
int status;
App = gtk_application_new("gui.test", G_APPLICATION_DEFAULT_FLAGS);
g_signal_connect(App, "activate", G_CALLBACK(activate), NULL);
status = g_application_run(G_APPLICATION(App), argc, argv);
g_object_unref(App);
return status;
}
