个人资料备份－－－－－GTK＋

#include <gtk/gtk.h> GtkWidget *hscale, *vscale; void cb_pos_menu_select(GtkWidget *item, GtkPositionType pos) { gtk_scale_set_value_pos(GTK_SCALE(hscale), pos); gtk_scale_set_value_pos(GTK_SCALE(vscale), pos); } void cb_update_menu_select(GtkWidget *item, GtkUpdateType policy) { gtk_range_set_update_policy(GTK_RANGE(hscale), policy); gtk_range_set_update_policy(GTK_RANGE(vscale), policy); } void cb_digits_scale (GtkAdjustment *adj) { gtk_scale_set_digits(GTK_SCALE(hscale), (gint)adj->value); gtk_scale_set_digits(GTK_SCALE(vscale), (gint)adj->value); } void cb_page_size(GtkAdjustment *get, GtkAdjustment *set) { set->page_size = get->value; set->page_increment = get->value; gtk_adjustment_set_value(set, CLAMP (set->value,set->lower, (set->upper - set->page_size))); } void cb_draw_value(GtkToggleButton *button) { gtk_scale_set_draw_value(GTK_SCALE (hscale), button->active); gtk_scale_set_draw_value(GTK_SCALE (vscale), button->active); } GtkWidget* make_menu_item (gchar *name, GCallback callback, gpointer data) { GtkWidget *item; item = gtk_menu_item_new_with_label (name); g_signal_connect (G_OBJECT(item), "activate", callback, data); gtk_widget_show(item); return item; } void scale_set_default_values(GtkScale *scale) { gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_CONTINUOUS); gtk_scale_set_digits(scale, 1); gtk_scale_set_value_pos(scale, GTK_POS_TOP); gtk_scale_set_draw_value(scale, TRUE); } void create_range_controls (void) { GtkWidget *window; GtkWidget *box1, *box2, *box3; GtkWidget *button; GtkWidget *scrollbar; GtkWidget *separator; GtkWidget *opt, *menu, *item; GtkWidget *label; GtkWidget *scale; GtkObject *adj1, *adj2; window = gtk_window_new(GTK_WINDOW_TOPLEVEL); g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL); gtk_window_set_title(GTK_WINDOW(window), "range controls"); box1 = gtk_vbox_new (FALSE, 0); gtk_container_add(GTK_CONTAINER(window), box1); gtk_widget_show(box1); box2 = gtk_hbox_new (FALSE, 10); gtk_container_set_border_width(GTK_CONTAINER(box2), 10); gtk_box_pack_start(GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show(box2); adj1 = gtk_adjustment_new (0.0, 0.0, 101.0, 0.1, 1.0, 1.0); vscale = gtk_vscale_new (GTK_ADJUSTMENT(adj1)); scale_set_default_values (GTK_SCALE (vscale)); gtk_box_pack_start (GTK_BOX(box2), vscale, TRUE, TRUE, 0); gtk_widget_show (vscale); box3 = gtk_vbox_new (FALSE, 10); gtk_box_pack_start (GTK_BOX(box2), box3, TRUE, TRUE, 0); gtk_widget_show(box3); hscale = gtk_hscale_new (GTK_ADJUSTMENT (adj1)); gtk_widget_set_size_request(GTK_WIDGET(hscale), 200, -1); scale_set_default_values (GTK_SCALE (hscale)); gtk_box_pack_start(GTK_BOX(box3), hscale, TRUE, TRUE, 0); gtk_widget_show(hscale); scrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (adj1)); gtk_range_set_update_policy (GTK_RANGE (scrollbar), GTK_UPDATE_CONTINUOUS); gtk_box_pack_start(GTK_BOX(box3), scrollbar, TRUE, TRUE, 0); gtk_widget_show (scrollbar); box2 = gtk_hbox_new (FALSE, 10); gtk_container_set_border_width (GTK_CONTAINER (box2), 10); gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); button = gtk_check_button_new_with_label ( "Display value on scale widgets"); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(button), TRUE); g_signal_connect (G_OBJECT(button), "toggled", G_CALLBACK (cb_draw_value), NULL); gtk_box_pack_start (GTK_BOX(box2), button, TRUE, TRUE, 0); gtk_widget_show (button); box2 = gtk_hbox_new (FALSE, 10); gtk_container_set_border_width(GTK_CONTAINER (box2), 10); label = gtk_label_new ("Scale Value Position:"); gtk_box_pack_start(GTK_BOX(box2), label, FALSE, FALSE, 0); gtk_widget_show(label); opt = gtk_option_menu_new(); menu = gtk_menu_new(); item = make_menu_item ("Top", G_CALLBACK(cb_pos_menu_select), GINT_TO_POINTER (GTK_POS_TOP)); gtk_menu_shell_append (GTK_MENU_SHELL(menu), item); item = make_menu_item ("Bottom", G_CALLBACK(cb_pos_menu_select), GINT_TO_POINTER (GTK_POS_BOTTOM)); gtk_menu_shell_append(GTK_MENU_SHELL(menu), item); item = make_menu_item ("Left", G_CALLBACK(cb_pos_menu_select), GINT_TO_POINTER (GTK_POS_LEFT)); gtk_menu_shell_append (GTK_MENU_SHELL(menu), item); item = make_menu_item ("Right", G_CALLBACK(cb_pos_menu_select), GINT_TO_POINTER (GTK_POS_RIGHT)); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_option_menu_set_menu (GTK_OPTION_MENU (opt), menu); gtk_box_pack_start (GTK_BOX (box2), opt, TRUE, TRUE, 0); gtk_widget_show (opt); gtk_box_pack_start (GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); box2 = gtk_hbox_new (FALSE, 10); gtk_container_set_border_width (GTK_CONTAINER (box2), 10); label = gtk_label_new ("Scale Update Policy:"); gtk_box_pack_start (GTK_BOX (box2), label, FALSE, FALSE, 0); gtk_widget_show (label); opt = gtk_option_menu_new(); menu = gtk_menu_new(); item = make_menu_item ("Continuous", G_CALLBACK(cb_update_menu_select), GINT_TO_POINTER (GTK_UPDATE_CONTINUOUS)); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); item = make_menu_item ("Discontinuous", G_CALLBACK(cb_update_menu_select), GINT_TO_POINTER (GTK_UPDATE_DISCONTINUOUS)); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); item = make_menu_item ("Delayed", G_CALLBACK (cb_update_menu_select), GINT_TO_POINTER (GTK_UPDATE_DELAYED)); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_option_menu_set_menu (GTK_OPTION_MENU(opt), menu); gtk_box_pack_start (GTK_BOX(box2), opt, TRUE, TRUE, 0); gtk_widget_show (opt); gtk_box_pack_start (GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); box2 = gtk_vbox_new (FALSE , 10); gtk_container_set_border_width (GTK_CONTAINER(box2), 10); label = gtk_label_new ("Scale Digits:"); gtk_box_pack_start (GTK_BOX (box2), label, FALSE, FALSE, 0); gtk_widget_show (label); adj2 = gtk_adjustment_new (1.0, 0.0, 5.0, 1.0, 1.0, 0.0); g_signal_connect (G_OBJECT(adj2), "value_changed", G_CALLBACK(cb_digits_scale), NULL); scale = gtk_hscale_new (GTK_ADJUSTMENT(adj2)); gtk_scale_set_digits (GTK_SCALE(scale), 0); gtk_box_pack_start(GTK_BOX(box2), scale, TRUE, TRUE, 0); gtk_widget_show (scale); gtk_box_pack_start(GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); box2 = gtk_hbox_new (FALSE, 10); gtk_container_set_border_width (GTK_CONTAINER(box2), 10); label = gtk_label_new ("Scrollbar Page Size:"); gtk_box_pack_start (GTK_BOX (box2), label, FALSE, FALSE, 0); gtk_widget_show (label); adj2 = gtk_adjustment_new (1.0, 1.0, 101.0, 1.0, 1.0, 0.0); g_signal_connect (G_OBJECT (adj2), "value_changed", G_CALLBACK (cb_page_size), adj1); scale = gtk_hscale_new (GTK_ADJUSTMENT(adj2)); gtk_scale_set_digits (GTK_SCALE(scale), 0); gtk_box_pack_start (GTK_BOX(box2), scale, TRUE, TRUE, 0); gtk_widget_show (scale); gtk_box_pack_start (GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); separator = gtk_hseparator_new(); gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0); gtk_widget_show (separator); box2 = gtk_vbox_new (FALSE, 0); gtk_container_set_border_width (GTK_CONTAINER(box2), 10); gtk_box_pack_start (GTK_BOX(box1), box2, TRUE, TRUE, 0); gtk_widget_show (box2); button = gtk_button_new_with_label ("Quit"); g_signal_connect (G_OBJECT(button), "clicked", G_CALLBACK(gtk_main_quit), NULL); gtk_box_pack_start (GTK_BOX(box2), button, TRUE, TRUE, 0); GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); gtk_widget_grab_default (button); gtk_widget_show (button); gtk_widget_show (window); } int main(int argc, char * argv[]) { gtk_init(&argc, &argv); create_range_controls(); gtk_main(); return 0; }