[英]How to hide a .ui file and show another .ui file in GTK+
我在GTK + 3的窗口上有一个按钮。单击该按钮时,应打开另一个ui文件中的一个窗口,并应删除当前窗口的ui(隐藏)。 但是我不知道该怎么做,我真的是Linux上Gtk +编程的新手。 这是我的.c文件:
#include <gtk/gtk.h>
static void
buttonClicked(GtkWidget *widget,
gpointer data)
{
//here I need to open another window and close the current one
}
int main (int argc, char *argv[])
{
GtkBuilder *builder;
GObject *window;
GObject *button;
GError *error = NULL;
gtk_init (&argc, &argv);
builder = gtk_builder_new();
if(gtk_builder_add_from_file(builder, "main-window.ui", &error) == 0)
{
g_printerr ("Error loading file: %s\n", error->message);
g_clear_error (&error);
return 1;
}
window = gtk_builder_get_object (builder, "window");
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
button = gtk_builder_get_object (builder, "buttonOpen");
g_signal_connect (button, "clicked", G_CALLBACK (buttonClicked), NULL);
gtk_main ();
return 0;
}
使用gtk_widget_show_all()和gtk_widget_hide() 。
#include <gtk/gtk.h>
static void
buttonClicked(GtkWidget *widget, GObject* window)
{
GtkBuilder *builder;
GObject *window2;
GError *error = NULL;
builder = gtk_builder_new();
if(gtk_builder_add_from_file(builder, "second-window.ui", &error) == 0)
{
g_printerr ("Error loading file: %s\n", error->message);
g_clear_error (&error);
return;
}
window2 = gtk_builder_get_object (builder, "window");
gtk_widget_show_all(GTK_WIDGET(window2));
gtk_widget_hide(GTK_WIDGET(window));
}
int main (int argc, char *argv[])
{
GtkBuilder *builder;
GObject *window;
GObject *button;
GError *error = NULL;
gtk_init (&argc, &argv);
builder = gtk_builder_new();
if(gtk_builder_add_from_file(builder, "main-window.ui", &error) == 0)
{
g_printerr ("Error loading file: %s\n", error->message);
g_clear_error (&error);
return 1;
}
window = gtk_builder_get_object (builder, "window");
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
button = gtk_builder_get_object (builder, "buttonOpen");
g_signal_connect (button, "clicked", G_CALLBACK (buttonClicked), window);
//some widgets don't draw if their parent window was not "show alled"
gtk_widget_show_all(GTK_WIDGET(window));
gtk_main ();
return 0;
}
请注意, gpointer实际上是一个void*
因此您可以随意传递给函数。
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