Hi Ruben,
You can give the following a try and see if it helps. Basically you don't want
to bind up the "main" thread with a long running function and freeze your UI.
Eric
/*
gcc -Wall firmware1.c -o firmware1 `pkg-config --cflags --libs gtk+-3.0`
Tested on Ubuntu16.04 and GTK3.18
*/
#include
/*
Set some numbers for work to be done in the worker thread. Might need to
change
these for a faster cpu but be careful of guint overflow.
*/
#define SET1 10
#define SET2 1
static guint timeout_id=0;
static gint thread_active=0;
static gint load_progress=0;
static GThread *thread=NULL;
static void start_thread(GtkWidget *widget, GtkWidget **widgets);
static gpointer thread_get_firmware(GtkWidget **widgets);
static gboolean thread_join(GtkWidget **widgets);
static gboolean check_progress(GtkWidget *progress);
static void show_dialog(GtkWidget *widget, GtkWidget *window);
int main(int argc, char *argv[])
{
gtk_init(, );
GtkWidget *window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Show Progress");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 300, 100);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
GtkWidget *progress=gtk_progress_bar_new();
gtk_widget_set_hexpand(progress, TRUE);
gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
GtkWidget *button1=gtk_button_new_with_label("Show Firmware Progress");
gtk_widget_set_hexpand(button1, TRUE);
//Some widgets to pass through the thread function to g_idle_add().
GtkWidget *widgets[]={progress, button1};
g_signal_connect(button1, "clicked", G_CALLBACK(start_thread), widgets);
GtkWidget *button2=gtk_button_new_with_label("Show a Dialog");
gtk_widget_set_hexpand(button2, TRUE);
g_signal_connect(button2, "clicked", G_CALLBACK(show_dialog), window);
GtkWidget *grid=gtk_grid_new();
gtk_grid_attach(GTK_GRID(grid), button1, 0, 0, 1, 1);
gtk_grid_attach(GTK_GRID(grid), progress, 0, 1, 1, 1);
gtk_grid_attach(GTK_GRID(grid), button2, 0, 2, 1, 1);
gtk_container_add(GTK_CONTAINER(window), grid);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
static void start_thread(GtkWidget *widget, GtkWidget **widgets)
{
gtk_widget_set_sensitive(widget, FALSE);
g_atomic_int_set(_active, 1);
thread=g_thread_new("TestThread", (GThreadFunc)thread_get_firmware,
widgets);
timeout_id=g_timeout_add(500, (GSourceFunc)check_progress, widgets[0]);
}
static gpointer thread_get_firmware(GtkWidget **widgets)
{
//No GTK functions called in thread_get_firmware().
guint32 i=0;
gdouble percent=0;
for(i=0;i
