/*----------------------------------------------------------------------------*/
#include <gtk/gtk.h>
/*----------------------------------------------------------------------------*/
#define MY1APP_FULL "org.my1.gtktest"
#define MY1APP_NAME "GTK Test"
/*----------------------------------------------------------------------------*/
GtkCssProvider *ccss;
/*----------------------------------------------------------------------------*/
gboolean on_show_resize(GtkWidget *widget, GtkAllocation *allocation,
	gpointer user_data)
{
	char test[] = "GtkLabel { background-color: #AAAAAA; font-size: %.0fpx; }";
	char buff[128];
	snprintf(buff,128,test,((float)allocation->height*12.0/40.0));
	printf("Resize: %d x %d => %s\n",allocation->width,allocation->height,buff);
	gtk_css_provider_load_from_data(ccss,buff, -1, NULL);
/**
	my1image_view_t* view = (my1image_view_t*) user_data;
	printf("Resize: %d x %d\n",allocation->width,allocation->height);
*/
	return TRUE;
}
/*----------------------------------------------------------------------------*/
static void activate(GtkApplication* app, gpointer data)
{
	GtkWidget *gwin, *grid, *show;
	GtkCssProvider *gcss;
	GdkDisplay *disp;
    GdkScreen *gscr;
	gwin = gtk_application_window_new(app);
	gtk_window_set_title(GTK_WINDOW(gwin),MY1APP_FULL);
	grid = gtk_grid_new();
	gtk_container_add(GTK_CONTAINER(gwin),grid);
	show = gtk_label_new("HAHA");
	gtk_widget_set_hexpand(show,TRUE);
	gtk_widget_set_halign(show,GTK_ALIGN_FILL);
	gtk_widget_set_vexpand(show,TRUE);
	gtk_widget_set_valign(show,GTK_ALIGN_FILL);
	gtk_grid_attach(GTK_GRID(grid),show,0,0,1,1);
	gcss = gtk_css_provider_new();
	disp = gdk_display_get_default();
	gscr = gdk_display_get_default_screen(disp);
	gtk_style_context_add_provider_for_screen(gscr,
		GTK_STYLE_PROVIDER(gcss),GTK_STYLE_PROVIDER_PRIORITY_USER);
	gtk_css_provider_load_from_data(gcss,
		"GtkLabel { background-color: #AAAAAA;}\n"
		"GtkGrid  { background-color: #4444AA;}", -1, NULL);
	ccss = gtk_css_provider_new();
	gtk_style_context_add_provider_for_screen(gscr,
		GTK_STYLE_PROVIDER(ccss),GTK_STYLE_PROVIDER_PRIORITY_USER);
	g_signal_connect(G_OBJECT(show),"size-allocate",
		G_CALLBACK(on_show_resize),0x0);
	/**gtk_window_fullscreen(GTK_WINDOW(gwin));*/
	gtk_widget_show_all(gwin);
}
/*----------------------------------------------------------------------------*/
int main(int argc, char **argv)
{
	int stat;
	GtkApplication *gapp;
	gapp = gtk_application_new(MY1APP_FULL,G_APPLICATION_FLAGS_NONE);
	g_signal_connect(gapp,"activate",G_CALLBACK(activate),NULL);
	stat = g_application_run(G_APPLICATION(gapp),argc,argv);
	g_object_unref(gapp);
	return stat;
}
/*----------------------------------------------------------------------------*/