forked from AuroraMiddleware/gtk
411 lines
10 KiB
C
411 lines
10 KiB
C
#include "config.h"
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <time.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <gtk/gtk.h>
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#ifdef G_OS_WIN32
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# define WIN32_MEAN_AND_LEAN
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# include <windows.h> /* ExtractAssociatedIcon */
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# include <io.h>
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# define localtime_r(t,b) localtime(t)
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# ifndef S_ISREG
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# define S_ISREG(m) ((m) & _S_IFREG)
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# endif
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# include <gdk/win32/gdkwin32.h> /* gdk_win32_hdc_get */
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#endif
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#include "prop-editor.h"
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static GtkWidget *preview_label;
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static GtkWidget *preview_image;
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static void
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print_current_folder (GtkFileChooser *chooser)
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{
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gchar *uri;
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uri = gtk_file_chooser_get_current_folder_uri (chooser);
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g_print ("Current folder changed :\n %s\n", uri ? uri : "(null)");
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g_free (uri);
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}
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static void
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print_selected (GtkFileChooser *chooser)
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{
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GSList *uris = gtk_file_chooser_get_uris (chooser);
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GSList *tmp_list;
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g_print ("Selection changed :\n");
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for (tmp_list = uris; tmp_list; tmp_list = tmp_list->next)
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{
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gchar *uri = tmp_list->data;
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g_print (" %s\n", uri);
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g_free (uri);
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}
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g_print ("\n");
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g_slist_free (uris);
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}
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static void
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response_cb (GtkDialog *dialog,
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gint response_id)
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{
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if (response_id == GTK_RESPONSE_OK)
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{
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GSList *list;
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list = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (dialog));
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if (list)
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{
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GSList *l;
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g_print ("Selected files:\n");
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for (l = list; l; l = l->next)
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{
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g_print ("%s\n", (char *) l->data);
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g_free (l->data);
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}
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g_slist_free (list);
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}
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else
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g_print ("No selected files\n");
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}
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else
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g_print ("Dialog was closed\n");
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gtk_main_quit ();
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}
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static gboolean
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no_backup_files_filter (const GtkFileFilterInfo *filter_info,
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gpointer data)
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{
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gsize len = filter_info->display_name ? strlen (filter_info->display_name) : 0;
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if (len > 0 && filter_info->display_name[len - 1] == '~')
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return 0;
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else
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return 1;
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}
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static char *
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format_time (time_t t)
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{
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gchar buf[128];
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struct tm tm_buf;
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time_t now = time (NULL);
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const char *format;
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if (abs (now - t) < 24*60*60)
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format = "%X";
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else
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format = "%x";
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localtime_r (&t, &tm_buf);
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if (strftime (buf, sizeof (buf), format, &tm_buf) == 0)
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return g_strdup ("<unknown>");
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else
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return g_strdup (buf);
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}
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static char *
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format_size (gint64 size)
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{
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if (size < (gint64)1024)
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return g_strdup_printf ("%d bytes", (gint)size);
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else if (size < (gint64)1024*1024)
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return g_strdup_printf ("%.1f K", size / (1024.));
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else if (size < (gint64)1024*1024*1024)
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return g_strdup_printf ("%.1f M", size / (1024.*1024.));
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else
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return g_strdup_printf ("%.1f G", size / (1024.*1024.*1024.));
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}
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#include <stdio.h>
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#include <errno.h>
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#define _(s) (s)
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static void
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size_prepared_cb (GdkPixbufLoader *loader,
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int width,
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int height,
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gpointer data)
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{
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struct {
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int width;
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int height;
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} *info = data;
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if ((double)height * (double)info->width >
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(double)width * (double)info->height) {
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width = 0.5 + (double)width * (double)info->height / (double)height;
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height = info->height;
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} else {
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height = 0.5 + (double)height * (double)info->width / (double)width;
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width = info->width;
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}
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gdk_pixbuf_loader_set_size (loader, width, height);
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}
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GdkPixbuf *
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my_new_from_file_at_size (const char *filename,
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int width,
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int height,
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GError **error)
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{
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GdkPixbufLoader *loader;
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GdkPixbuf *pixbuf;
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struct {
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int width;
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int height;
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} info;
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struct stat st;
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guchar buffer [4096];
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int length;
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FILE *f;
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g_return_val_if_fail (filename != NULL, NULL);
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g_return_val_if_fail (width > 0 && height > 0, NULL);
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if (stat (filename, &st) != 0) {
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g_set_error (error,
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G_FILE_ERROR,
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g_file_error_from_errno (errno),
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_("Could not get information for file '%s': %s"),
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filename, g_strerror (errno));
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return NULL;
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}
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if (!S_ISREG (st.st_mode))
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return NULL;
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f = fopen (filename, "rb");
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if (!f) {
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g_set_error (error,
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G_FILE_ERROR,
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g_file_error_from_errno (errno),
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_("Failed to open file '%s': %s"),
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filename, g_strerror (errno));
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return NULL;
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}
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loader = gdk_pixbuf_loader_new ();
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#ifdef DONT_PRESERVE_ASPECT
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gdk_pixbuf_loader_set_size (loader, width, height);
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#else
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info.width = width;
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info.height = height;
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g_signal_connect (loader, "size-prepared", G_CALLBACK (&size_prepared_cb), &info);
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#endif
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while (!feof (f)) {
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length = fread (buffer, 1, sizeof (buffer), f);
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if (length > 0)
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if (!gdk_pixbuf_loader_write (loader, buffer, length, error)) {
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gdk_pixbuf_loader_close (loader, NULL);
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fclose (f);
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g_object_unref (G_OBJECT (loader));
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return NULL;
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}
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}
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fclose (f);
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if (!gdk_pixbuf_loader_close (loader, error)) {
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g_object_unref (G_OBJECT (loader));
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return NULL;
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}
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pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
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if (!pixbuf) {
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g_object_unref (G_OBJECT (loader));
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g_set_error (error,
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GDK_PIXBUF_ERROR,
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GDK_PIXBUF_ERROR_FAILED,
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_("Failed to load image '%s': reason not known, probably a corrupt image file"),
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filename);
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return NULL;
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}
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g_object_ref (pixbuf);
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g_object_unref (G_OBJECT (loader));
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return pixbuf;
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}
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static void
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update_preview_cb (GtkFileChooser *chooser)
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{
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gchar *filename = gtk_file_chooser_get_preview_filename (chooser);
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gboolean have_preview = FALSE;
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if (filename)
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{
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GdkPixbuf *pixbuf;
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GError *error = NULL;
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pixbuf = my_new_from_file_at_size (filename, 128, 128, &error);
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if (pixbuf)
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{
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gtk_image_set_from_pixbuf (GTK_IMAGE (preview_image), pixbuf);
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g_object_unref (pixbuf);
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gtk_widget_show (preview_image);
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gtk_widget_hide (preview_label);
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have_preview = TRUE;
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}
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else
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{
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struct stat buf;
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if (stat (filename, &buf) == 0)
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{
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gchar *preview_text;
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gchar *size_str;
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gchar *modified_time;
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size_str = format_size (buf.st_size);
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modified_time = format_time (buf.st_mtime);
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preview_text = g_strdup_printf ("<i>Modified:</i>\t%s\n"
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"<i>Size:</i>\t%s\n",
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modified_time,
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size_str);
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gtk_label_set_markup (GTK_LABEL (preview_label), preview_text);
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g_free (modified_time);
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g_free (size_str);
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g_free (preview_text);
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gtk_widget_hide (preview_image);
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gtk_widget_show (preview_label);
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have_preview = TRUE;
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}
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}
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g_free (filename);
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}
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gtk_file_chooser_set_preview_widget_active (chooser, have_preview);
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *control_window;
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GtkWidget *vbbox;
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GtkWidget *button;
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GtkWidget *dialog;
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GtkWidget *prop_editor;
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GtkFileFilter *filter;
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GtkWidget *preview_vbox;
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GtkWidget *extra;
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gtk_init (&argc, &argv);
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dialog = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
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"action", GTK_FILE_CHOOSER_ACTION_OPEN,
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"title", "Select a file",
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NULL);
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gtk_dialog_add_buttons (GTK_DIALOG (dialog),
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OPEN, GTK_RESPONSE_OK,
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NULL);
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gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
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g_signal_connect (dialog, "selection-changed",
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G_CALLBACK (print_selected), NULL);
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g_signal_connect (dialog, "current-folder-changed",
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G_CALLBACK (print_current_folder), NULL);
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g_signal_connect (dialog, "response",
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G_CALLBACK (response_cb), NULL);
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/* Filters */
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filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, "All Files");
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gtk_file_filter_add_pattern (filter, "*");
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
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filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, "No backup files");
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gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_DISPLAY_NAME,
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no_backup_files_filter, NULL, NULL);
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gtk_file_filter_add_mime_type (filter, "image/png");
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
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/* Make this filter the default */
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gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
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filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, "PNG and JPEG");
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gtk_file_filter_add_mime_type (filter, "image/jpeg");
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gtk_file_filter_add_mime_type (filter, "image/png");
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
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/* Preview widget */
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preview_vbox = gtk_vbox_new (0, FALSE);
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gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (dialog), preview_vbox);
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preview_label = gtk_label_new (NULL);
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gtk_box_pack_start (GTK_BOX (preview_vbox), preview_label, TRUE, TRUE, 0);
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gtk_misc_set_padding (GTK_MISC (preview_label), 6, 6);
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preview_image = gtk_image_new ();
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gtk_box_pack_start (GTK_BOX (preview_vbox), preview_image, TRUE, TRUE, 0);
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gtk_misc_set_padding (GTK_MISC (preview_image), 6, 6);
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update_preview_cb (GTK_FILE_CHOOSER (dialog));
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g_signal_connect (dialog, "update-preview",
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G_CALLBACK (update_preview_cb), NULL);
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/* Extra widget */
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extra = gtk_check_button_new_with_mnemonic ("Lar_t whoever asks about this button");
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (extra), TRUE);
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gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog), extra);
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/* Shortcuts */
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gtk_file_chooser_add_shortcut_folder_uri (GTK_FILE_CHOOSER (dialog),
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"file:///usr/share/pixmaps",
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NULL);
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/* show_all() to reveal bugs in composite widget handling */
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gtk_widget_show_all (dialog);
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/* Extra controls for manipulating the test environment
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*/
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prop_editor = create_prop_editor (G_OBJECT (dialog), GTK_TYPE_FILE_CHOOSER);
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control_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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vbbox = gtk_vbutton_box_new ();
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gtk_container_add (GTK_CONTAINER (control_window), vbbox);
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button = gtk_button_new_with_mnemonic ("_Select all");
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gtk_container_add (GTK_CONTAINER (vbbox), button);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_file_chooser_select_all), dialog);
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button = gtk_button_new_with_mnemonic ("_Unselect all");
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gtk_container_add (GTK_CONTAINER (vbbox), button);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_file_chooser_unselect_all), dialog);
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gtk_widget_show_all (control_window);
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gtk_main ();
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return 0;
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}
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