GtkScaleButton（1）

GtkScaleButton

GtkScaleButton — A button which pops up a scale

👁 📚 官方网站学习资料

例子

#include <gtk/gtk.h>

static GtkWidget *create_window(const gint, const gint);

int main(int argc, char *argv[])
{
	gtk_init(&argc, &argv);

	GtkWidget *window;
	GtkWidget *scaleButton;
	GtkAdjustment *adjustment;
	/// *** icon naming: https://developer.gnome.org/icon-naming-spec/
	const char *icons[] = {"media-playback-start",
			       "media-playback-pause",
			       "media-playback-stop",
			       "media-record",
			       "media-seek-backward",
			       "media-seek-forward",
			       "media-skip-backward",
			       "media-skip-forward",
			       "object-flip-horizontal",
			       "object-flip-vertical",
			       NULL};

	/// *** Create a Window
	window = create_window(400, 500);
	/// *** ScaleButton
	scaleButton = gtk_scale_button_new(GTK_ICON_SIZE_DIALOG, 0.0, 10.0, 1.0, icons);
	g_object_set(scaleButton, "parent", window, "margin", 50, NULL);
	/// *** adjustment
	adjustment = gtk_adjustment_new(5, 0, 10, 1, 2, 0);
	/// ***
	gtk_scale_button_set_adjustment(GTK_SCALE_BUTTON(scaleButton), adjustment);

	gtk_widget_show_all(window);
	gtk_main();
}

static GtkWidget *create_window(const gint w, const gint h)
{
	GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
	gtk_window_set_default_size(GTK_WINDOW(window), w, h);
	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
	gtk_window_set_title(GTK_WINDOW(window), "Hello GTK3");
	gtk_container_set_border_width(GTK_CONTAINER(window), 50);

	return window;
}

• 运行效果