GtkObject* gtk_adjustment_new(gfloat value,gfloat lower,gfloat upper,
gfloat step_increment,gfloat page_increment,gloat page_size)

GtkWidget* gtk_progress_bar_new(void)
GtkWidget* gtk_progress_bar_new_with_adjustment(GtkAdjustment *adjustment)

void gtk_progress_bar_set_bar_style(GtkProgressBar *pbar,
GtkProgressBarStyle style)

void gtk_progress_bar_set_orientation(GtkProgressBar *pbar,
GtkProgressBarOrientation orientation)

void gtk_progress_bar_update(GtkProgressBar *pbar, gfloat percentage)

GtkWidget* gtk_spin_button_new(GtkAdjustment *adjustment,
gfloat climb_rate,gfloat digits)

gfloat gtk_spin_button_get_value_as_float(GtkSpinButton *spin_button)
void gtk_spin_button_set_value(GtkSpinButton *spin_button,gfloat value)

GtkAdjustment* gtk_spin_button_get_adjustment(GtkSpinButton *spin_button)
void gtk_spin_button_set_adjustment(GtkSpinButton *spin_button, 
GtkAdjustment *adjustment)

void g_list_append(GList *list,char *string)

GtkWidget* gtk_combo_new(void)

void gtk_combo_set_popdown_strings(GtkCombo *combo,GList *strings)

#include

int main(int argc,char **argv)
{
GtkWidget *window;
GtkWidget *vbox;
GtkObject *adjustment;
GtkWidget *bar;
GtkWidget *spinbutton;
GList        *glist;
GtkWidget *combo;

gtk_init(&argc,&argv);

window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(GTK_OBJECT(window),"destroy",
GTK_SIGNAL_FUNC(gtk_main_quit),NULL);
gtk_container_border_width(GTK_CONTAINER(window),40);

vbox = gtk_vbox_new(FALSE,0);
gtk_container_add(GTK_CONTAINER(window),vbox);

/*创建进度条*/
adjustment = gtk_adjustment_new(70.0,0.0,100.0,1.0,0.0,0.0);
bar = gtk_progress_bar_new_with_adjustment(GTK_ADJUSTMENT(adjustment));
gtk_progress_bar_set_bar_style(GTK_PROGRESS_BAR(bar),
GTK_PROGRESS_CONTINUOUS);
gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(bar),
GTK_PROGRESS_LEFT_TO_RIGHT);
gtk_box_pack_start(GTK_BOX(vbox),bar,TRUE,TRUE,15);
gtk_widget_show(bar);

/*微调按钮*/
adjustment = gtk_adjustment_new(80.0,0.0,100.0,1.0,0.0,0.0);
spinbutton = gtk_spin_button_new(GTK_ADJUSTMENT(adjustment),1.0,1);
gtk_box_pack_start(GTK_BOX(vbox),spinbutton,TRUE,TRUE,15);
gtk_widget_show(spinbutton);

/*创建组合框*/
glist = NULL;
glist = g_list_append(glist,"apple");
glist = g_list_append(glist,"banana");
glist = g_list_append(glist,"orange");
glist = g_list_append(glist,"pear");
combo = gtk_combo_new();
gtk_combo_set_popdown_strings(GTK_COMBO(combo),glist);
gtk_box_pack_start(GTK_BOX(vbox),combo,TRUE,TRUE,15);
gtk_widget_show(combo);

gtk_widget_show(vbox);
gtk_widget_show(window);

gtk_main();

return 0;
}