mirror of
https://github.com/ToshioCP/Gtk4-tutorial.git
synced 2025-01-12 20:03:28 +01:00
136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
#include <gtk/gtk.h>
|
|
|
|
/* Define TfeTextView Widget which is the child object of GtkTextView */
|
|
|
|
#define TFE_TYPE_TEXT_VIEW tfe_text_view_get_type ()
|
|
G_DECLARE_FINAL_TYPE (TfeTextView, tfe_text_view, TFE, TEXT_VIEW, GtkTextView)
|
|
|
|
struct _TfeTextView
|
|
{
|
|
GtkTextView parent;
|
|
GFile *file;
|
|
};
|
|
|
|
G_DEFINE_TYPE (TfeTextView, tfe_text_view, GTK_TYPE_TEXT_VIEW);
|
|
|
|
static void
|
|
tfe_text_view_init (TfeTextView *tv) {
|
|
}
|
|
|
|
static void
|
|
tfe_text_view_class_init (TfeTextViewClass *class) {
|
|
}
|
|
|
|
void
|
|
tfe_text_view_set_file (TfeTextView *tv, GFile *f) {
|
|
tv -> file = f;
|
|
}
|
|
|
|
GFile *
|
|
tfe_text_view_get_file (TfeTextView *tv) {
|
|
return tv -> file;
|
|
}
|
|
|
|
GtkWidget *
|
|
tfe_text_view_new (void) {
|
|
return GTK_WIDGET (g_object_new (TFE_TYPE_TEXT_VIEW, NULL));
|
|
}
|
|
|
|
/* ---------- end of the definition of TfeTextView ---------- */
|
|
|
|
static gboolean
|
|
before_close (GtkWindow *win, GtkWidget *nb) {
|
|
GtkWidget *scr;
|
|
GtkWidget *tv;
|
|
GFile *file;
|
|
GtkTextBuffer *tb;
|
|
GtkTextIter start_iter;
|
|
GtkTextIter end_iter;
|
|
char *contents;
|
|
unsigned int n;
|
|
unsigned int i;
|
|
|
|
n = gtk_notebook_get_n_pages (GTK_NOTEBOOK (nb));
|
|
for (i = 0; i < n; ++i) {
|
|
scr = gtk_notebook_get_nth_page (GTK_NOTEBOOK (nb), i);
|
|
tv = gtk_scrolled_window_get_child (GTK_SCROLLED_WINDOW (scr));
|
|
file = tfe_text_view_get_file (TFE_TEXT_VIEW (tv));
|
|
tb = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
|
|
gtk_text_buffer_get_bounds (tb, &start_iter, &end_iter);
|
|
contents = gtk_text_buffer_get_text (tb, &start_iter, &end_iter, FALSE);
|
|
if (! g_file_replace_contents (file, contents, strlen (contents), NULL, TRUE, G_FILE_CREATE_NONE, NULL, NULL, NULL))
|
|
g_print ("ERROR : Can't save %s.", g_file_get_path (file));
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
on_activate (GApplication *app, gpointer user_data) {
|
|
g_print ("You need a filename argument.\n");
|
|
}
|
|
|
|
static void
|
|
on_open (GApplication *app, GFile ** files, gint n_files, gchar *hint, gpointer user_data) {
|
|
GtkWidget *win;
|
|
GtkWidget *nb;
|
|
GtkWidget *lab;
|
|
GtkNotebookPage *nbp;
|
|
GtkWidget *scr;
|
|
GtkWidget *tv;
|
|
GtkTextBuffer *tb;
|
|
char *contents;
|
|
gsize length;
|
|
char *filename;
|
|
int i;
|
|
|
|
win = gtk_application_window_new (GTK_APPLICATION (app));
|
|
gtk_window_set_title (GTK_WINDOW (win), "file editor");
|
|
gtk_window_set_default_size (GTK_WINDOW (win), 400, 300);
|
|
gtk_window_maximize (GTK_WINDOW (win));
|
|
|
|
nb = gtk_notebook_new ();
|
|
gtk_window_set_child (GTK_WINDOW (win), nb);
|
|
|
|
for (i = 0; i < n_files; i++) {
|
|
if (g_file_load_contents (files[i], NULL, &contents, &length, NULL, NULL)) {
|
|
scr = gtk_scrolled_window_new ();
|
|
tv = tfe_text_view_new ();
|
|
tb = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
|
|
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD_CHAR);
|
|
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scr), tv);
|
|
|
|
tfe_text_view_set_file (TFE_TEXT_VIEW (tv), g_file_dup (files[i]));
|
|
gtk_text_buffer_set_text (tb, contents, length);
|
|
g_free (contents);
|
|
filename = g_file_get_basename (files[i]);
|
|
lab = gtk_label_new (filename);
|
|
gtk_notebook_append_page (GTK_NOTEBOOK (nb), scr, lab);
|
|
nbp = gtk_notebook_get_page (GTK_NOTEBOOK (nb), scr);
|
|
g_object_set (nbp, "tab-expand", TRUE, NULL);
|
|
g_free (filename);
|
|
} else {
|
|
filename = g_file_get_path (files[i]);
|
|
g_print ("No such file: %s.\n", filename);
|
|
g_free (filename);
|
|
}
|
|
}
|
|
if (gtk_notebook_get_n_pages (GTK_NOTEBOOK (nb)) > 0) {
|
|
g_signal_connect (win, "close-request", G_CALLBACK (before_close), nb);
|
|
gtk_widget_show (win);
|
|
} else
|
|
gtk_window_destroy (GTK_WINDOW (win));
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv) {
|
|
GtkApplication *app;
|
|
int stat;
|
|
|
|
app = gtk_application_new ("com.github.ToshioCP.tfe1", G_APPLICATION_HANDLES_OPEN);
|
|
g_signal_connect (app, "activate", G_CALLBACK (on_activate), NULL);
|
|
g_signal_connect (app, "open", G_CALLBACK (on_open), NULL);
|
|
stat =g_application_run (G_APPLICATION (app), argc, argv);
|
|
g_object_unref (app);
|
|
return stat;
|
|
}
|
|
|