Learning_GTK4_tree/examples/application4/exampleappwin.c

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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
#include "exampleapp.h"
#include "exampleappwin.h"
struct _ExampleAppWindow
{
GtkApplicationWindow parent;
GtkWidget *stack;
GtkWidget *gears;
};
G_DEFINE_TYPE (ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW)
static void
example_app_window_init (ExampleAppWindow *win)
{
GtkBuilder *builder;
GMenuModel *menu;
gtk_widget_init_template (GTK_WIDGET (win));
builder = gtk_builder_new_from_resource ("/org/gtk/exampleapp/gears-menu.ui");
menu = G_MENU_MODEL (gtk_builder_get_object (builder, "menu"));
gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (win->gears), menu);
g_object_unref (builder);
}
static void
example_app_window_class_init (ExampleAppWindowClass *class)
{
gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
"/org/gtk/exampleapp/window.ui");
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack);
gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, gears);
}
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)
{
char *basename;
GtkWidget *scrolled, *view;
char *contents;
gsize length;
basename = g_file_get_basename (file);
scrolled = gtk_scrolled_window_new ();
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_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), view);
gtk_stack_add_titled (GTK_STACK (win->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);
}