gtk-tutorial/exampleappwin.c at master · bingliu221/gtk-tutorial · GitHub

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#include <gtk/gtk.h>

#include "exampleapp.h"
#include "exampleappwin.h"

struct _ExampleAppWindow
{
    GtkApplicationWindow parent;
};

struct _ExampleAppWindowClass
{
    GtkApplicationWindowClass parent_class;
};

struct _ExampleAppWindowPrivate
{
    GSettings *settings;
    GtkWidget *stack;
};

G_DEFINE_TYPE_WITH_PRIVATE(ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW)

static void example_app_window_init(ExampleAppWindow *win)
{
    ExampleAppWindowPrivate *priv;

    priv = example_app_window_get_instance_private(win);
    gtk_widget_init_template(GTK_WIDGET(win));
    priv->settings = g_settings_new("net.bingliu.exampleapp");

    g_settings_bind(priv->settings, "transition", priv->stack, "transition-type", G_SETTINGS_BIND_DEFAULT);
}

static void example_app_window_dispose(GObject *object)
{

}

static void example_app_window_class_init(ExampleAppWindowClass *class)
{
    gtk_widget_class_set_template_from_resource(GTK_WIDGET_CLASS(class), "/net/bingliu/exampleapp/window.ui");
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS(class), ExampleAppWindow, stack);
}

ExampleAppWindow *example_app_window_new(ExampleApp *app)
{
    return g_object_new(EXAMPLE_APP_WINDOW_TYPE, "application", app, NULL);
}

void example_app_window_open(ExampleAppWindow *win, GFile *file)
{
    ExampleAppWindowPrivate *priv;
    gchar *basename;
    GtkWidget *scrolled, *view;
    gchar *contents;
    gsize length;

    priv = example_app_window_get_instance_private(win);
    basename = g_file_get_basename(file);

    scrolled = gtk_scrolled_window_new(NULL, NULL);
    gtk_widget_show(scrolled);
    gtk_widget_set_hexpand(scrolled, TRUE);
    gtk_widget_set_vexpand(scrolled, TRUE);
    view = gtk_text_view_new();

    gtk_text_view_set_editable(GTK_TEXT_VIEW(view), FALSE);
    gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(view), FALSE);

    gtk_widget_show(view);
    gtk_container_add(GTK_CONTAINER(scrolled), view);
    gtk_stack_add_titled(GTK_STACK(priv->stack), scrolled, basename, basename);

    if (g_file_load_contents(file, NULL, &contents, &length, NULL, NULL)) {
        GtkTextBuffer *buffer;

        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(view));
        gtk_text_buffer_set_text(buffer, contents, length);
        g_free(contents);
    }

    g_free(basename);
}