#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <ctype.h>
#include <gtk/gtk.h>
static gchar *current_file = NULL;
+
enum {
TITLE_COLUMN,
FILENAME_COLUMN,
GtkTreePath *path;
};
+#ifdef G_OS_WIN32
+
+#undef DEMOCODEDIR
+
+static char *
+get_democodedir (void)
+{
+ static char *result = NULL;
+
+ if (result == NULL)
+ {
+ result = g_win32_get_package_installation_directory (NULL, NULL);
+ if (result == NULL)
+ result = "unknown-location";
+
+ result = g_strconcat (result, "\\share\\gtk-2.0\\demo", NULL);
+ }
+
+ return result;
+}
+
+#define DEMOCODEDIR get_democodedir ()
+
+#endif
+
+/**
+ * demo_find_file:
+ * @base: base filename
+ * @err: location to store error, or %NULL.
+ *
+ * Looks for @base first in the current directory, then in the
+ * location GTK+ where it will be installed on make install,
+ * returns the first file found.
+ *
+ * Return value: the filename, if found or %NULL
+ **/
+gchar *
+demo_find_file (const char *base,
+ GError **err)
+{
+ g_return_val_if_fail (err == NULL || *err == NULL, NULL);
+
+ if (g_file_test ("gtk-logo-rgb.gif", G_FILE_TEST_EXISTS) &&
+ g_file_test (base, G_FILE_TEST_EXISTS))
+ return g_strdup (base);
+ else
+ {
+ char *filename = g_build_filename (DEMOCODEDIR, base, NULL);
+ if (!g_file_test (filename, G_FILE_TEST_EXISTS))
+ {
+ g_set_error (err, G_FILE_ERROR, G_FILE_ERROR_NOENT,
+ "Cannot find demo data file \"%s\"", base);
+ g_free (filename);
+ return NULL;
+ }
+ return filename;
+ }
+}
+
static void
window_closed_cb (GtkWidget *window, gpointer data)
{
{
int n_read = 0;
+#ifdef HAVE_FLOCKFILE
flockfile (stream);
+#endif
g_string_truncate (str, 0);
{
int c;
+#ifndef G_OS_WIN32
c = getc_unlocked (stream);
+#else
+ c = getc (stream);
+#endif
if (c == EOF)
goto done;
case '\r':
case '\n':
{
+#ifdef HAVE_FLOCKFILE
int next_c = getc_unlocked (stream);
+#else
+ int next_c = getc (stream);
+#endif
if (!(next_c == EOF ||
(c == '\r' && next_c == '\n') ||
done:
+#ifdef HAVE_FLOCKFILE
funlockfile (stream);
+#endif
return n_read > 0;
}
*/
enum {
STATE_NORMAL,
- STATE_IN_COMMENT,
+ STATE_IN_COMMENT
};
static gchar *tokens[] =
{
FILE *file;
GtkTextIter start, end;
+ char *full_filename;
+ GError *err = NULL;
GString *buffer = g_string_new (NULL);
int state = 0;
gboolean in_para = 0;
gtk_text_buffer_get_bounds (source_buffer, &start, &end);
gtk_text_buffer_delete (source_buffer, &start, &end);
- file = fopen (filename, "r");
+ full_filename = demo_find_file (filename, &err);
+ if (!full_filename)
+ {
+ g_warning ("%s", err->message);
+ g_error_free (err);
+ return;
+ }
+
+ file = fopen (full_filename, "r");
if (!file)
- {
- char *installed = g_strconcat (DEMOCODEDIR,
- G_DIR_SEPARATOR_S,
- filename,
- NULL);
+ g_warning ("Cannot open %s: %s\n", full_filename, g_strerror (errno));
- file = fopen (installed, "r");
+ g_free (full_filename);
- g_free (installed);
- }
-
if (!file)
- {
- g_warning ("Cannot open %s: %s\n", filename, g_strerror (errno));
- return;
- }
+ return;
gtk_text_buffer_get_iter_at_offset (info_buffer, &start, 0);
while (read_line (file, buffer))
{
gchar *p = buffer->str;
gchar *q;
+ gchar *r;
switch (state)
{
case 0:
/* Reading title */
- while (*p == '/' || *p == '*' || isspace (*p))
+ while (*p == '/' || *p == '*' || g_ascii_isspace (*p))
p++;
+ r = p;
+ while (*r != '/' && strlen (r))
+ r++;
+ if (strlen (r) > 0)
+ p = r + 1;
q = p + strlen (p);
- while (q > p && isspace (*(q - 1)))
+ while (q > p && g_ascii_isspace (*(q - 1)))
q--;
if (q > p)
case 1:
/* Reading body of info section */
- while (isspace (*p))
+ while (g_ascii_isspace (*p))
p++;
if (*p == '*' && *(p + 1) == '/')
{
{
int len;
- while (*p == '*' || isspace (*p))
+ while (*p == '*' || g_ascii_isspace (*p))
p++;
len = strlen (p);
- while (isspace (*(p + len - 1)))
+ while (g_ascii_isspace (*(p + len - 1)))
len--;
if (len > 0)
case 2:
/* Skipping blank lines */
- while (isspace (*p))
+ while (g_ascii_isspace (*p))
p++;
if (*p)
{
case 3:
/* Reading program body */
gtk_text_buffer_insert (source_buffer, &start, p, -1);
- gtk_text_buffer_insert (info_buffer, &start, "\n", 1);
+ gtk_text_buffer_insert (source_buffer, &start, "\n", 1);
break;
}
}
g_string_free (buffer, TRUE);
}
-gboolean
-button_press_event_cb (GtkTreeView *tree_view,
- GdkEventButton *event,
- GtkTreeModel *model)
-{
- if (event->type == GDK_2BUTTON_PRESS)
- {
- GtkTreePath *path = NULL;
-
- gtk_tree_view_get_path_at_pos (tree_view,
- event->window,
- event->x,
- event->y,
- &path,
- NULL,
- NULL,
- NULL);
-
- if (path)
- {
- GtkTreeIter iter;
- gboolean italic;
- GDoDemoFunc func;
- GtkWidget *window;
-
- gtk_tree_model_get_iter (model, &iter, path);
- gtk_tree_model_get (GTK_TREE_MODEL (model),
- &iter,
- FUNC_COLUMN, &func,
- ITALIC_COLUMN, &italic,
- -1);
- gtk_tree_store_set (GTK_TREE_STORE (model),
- &iter,
- ITALIC_COLUMN, !italic,
- -1);
- window = (func) ();
- if (window != NULL)
- {
- CallbackData *cbdata;
-
- cbdata = g_new (CallbackData, 1);
- cbdata->model = model;
- cbdata->path = path;
-
- gtk_signal_connect (GTK_OBJECT (window),
- "destroy",
- GTK_SIGNAL_FUNC (window_closed_cb),
- cbdata);
- }
- else
- {
- gtk_tree_path_free (path);
- }
- }
-
- gtk_signal_emit_stop_by_name (GTK_OBJECT (tree_view),
- "button_press_event");
- return TRUE;
- }
-
- return FALSE;
-}
-
void
row_activated_cb (GtkTreeView *tree_view,
GtkTreePath *path,
FUNC_COLUMN, &func,
ITALIC_COLUMN, &italic,
-1);
- gtk_tree_store_set (GTK_TREE_STORE (model),
- &iter,
- ITALIC_COLUMN, !italic,
- -1);
- window = (func) ();
- if (window != NULL)
+ if (func)
{
- CallbackData *cbdata;
-
- cbdata = g_new (CallbackData, 1);
- cbdata->model = model;
- cbdata->path = gtk_tree_path_copy (path);
+ gtk_tree_store_set (GTK_TREE_STORE (model),
+ &iter,
+ ITALIC_COLUMN, !italic,
+ -1);
+ window = (func) ();
- gtk_signal_connect (GTK_OBJECT (window),
- "destroy",
- GTK_SIGNAL_FUNC (window_closed_cb),
- cbdata);
+ if (window != NULL)
+ {
+ CallbackData *cbdata;
+
+ cbdata = g_new (CallbackData, 1);
+ cbdata->model = model;
+ cbdata->path = gtk_tree_path_copy (path);
+
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (window_closed_cb), cbdata);
+ }
}
}
gtk_tree_model_get_value (model, &iter,
FILENAME_COLUMN,
&value);
- load_file (g_value_get_string (&value));
+ if (g_value_get_string (&value))
+ load_file (g_value_get_string (&value));
g_value_unset (&value);
}
return scrolled_window;
}
-/* Technically a list, but if we do go to 80 demos, we may want to move to a tree */
static GtkWidget *
create_tree (void)
{
GtkTreeViewColumn *column;
GtkTreeStore *model;
GtkTreeIter iter;
- gint i;
- model = gtk_tree_store_new_with_types (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_BOOLEAN);
- tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (model));
+ Demo *d = testgtk_demos;
+
+ model = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_BOOLEAN);
+ tree_view = gtk_tree_view_new ();
+ gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), GTK_TREE_MODEL (model));
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
gtk_tree_selection_set_mode (GTK_TREE_SELECTION (selection),
- GTK_TREE_SELECTION_SINGLE);
- gtk_widget_set_usize (tree_view, 200, -1);
+ GTK_SELECTION_BROWSE);
+ gtk_widget_set_size_request (tree_view, 200, -1);
- for (i=0; i < G_N_ELEMENTS (testgtk_demos); i++)
+ /* this code only supports 1 level of children. If we
+ * want more we probably have to use a recursing function.
+ */
+ while (d->title)
{
+ Demo *children = d->children;
+
gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
gtk_tree_store_set (GTK_TREE_STORE (model),
&iter,
- TITLE_COLUMN, testgtk_demos[i].title,
- FILENAME_COLUMN, testgtk_demos[i].filename,
- FUNC_COLUMN, testgtk_demos[i].func,
+ TITLE_COLUMN, d->title,
+ FILENAME_COLUMN, d->filename,
+ FUNC_COLUMN, d->func,
ITALIC_COLUMN, FALSE,
-1);
+
+ d++;
+
+ if (!children)
+ continue;
+
+ while (children->title)
+ {
+ GtkTreeIter child_iter;
+
+ gtk_tree_store_append (GTK_TREE_STORE (model), &child_iter, &iter);
+
+ gtk_tree_store_set (GTK_TREE_STORE (model),
+ &child_iter,
+ TITLE_COLUMN, children->title,
+ FILENAME_COLUMN, children->filename,
+ FUNC_COLUMN, children->func,
+ ITALIC_COLUMN, FALSE,
+ -1);
+
+ children++;
+ }
}
cell = gtk_cell_renderer_text_new ();
- g_object_set (G_OBJECT (cell),
+ g_object_set (cell,
"style", PANGO_STYLE_ITALIC,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view),
GTK_TREE_VIEW_COLUMN (column));
- g_signal_connectc (G_OBJECT (selection), "changed", GTK_SIGNAL_FUNC (selection_cb), model, FALSE);
- gtk_signal_connect (GTK_OBJECT (tree_view), "row_activated", GTK_SIGNAL_FUNC (row_activated_cb), model);
+ g_signal_connect (selection, "changed", G_CALLBACK (selection_cb), model);
+ g_signal_connect (tree_view, "row_activated", G_CALLBACK (row_activated_cb), model);
+ gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
return tree_view;
}
+static void
+setup_default_icon (void)
+{
+ GdkPixbuf *pixbuf;
+ char *filename;
+ GError *err;
+
+ err = NULL;
+
+ pixbuf = NULL;
+ filename = demo_find_file ("gtk-logo-rgb.gif", &err);
+ if (filename)
+ {
+ pixbuf = gdk_pixbuf_new_from_file (filename, &err);
+ g_free (filename);
+ }
+
+ /* Ignoring this error (passing NULL instead of &err above)
+ * would probably be reasonable for most apps. We're just
+ * showing off.
+ */
+ if (err)
+ {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (NULL, 0,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Failed to read icon file: %s",
+ err->message);
+ g_error_free (err);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (gtk_widget_destroy), NULL);
+ }
+
+ if (pixbuf)
+ {
+ GList *list;
+ GdkPixbuf *transparent;
+
+ /* The gtk-logo-rgb icon has a white background, make it transparent */
+ transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
+
+ list = NULL;
+ list = g_list_append (list, transparent);
+ gtk_window_set_default_icon_list (list);
+ g_list_free (list);
+ g_object_unref (pixbuf);
+ g_object_unref (transparent);
+ }
+}
+
int
main (int argc, char **argv)
{
* these few lines, which are just a hack so gtk-demo will work
* in the GTK tree without installing it.
*/
- if (g_file_test ("../../gdk-pixbuf/.libs/libpixbufloader-pnm.so",
+ if (g_file_test ("../../gdk-pixbuf/libpixbufloader-pnm.la",
G_FILE_TEST_EXISTS))
{
- putenv ("GDK_PIXBUF_MODULEDIR=../../gdk-pixbuf/.libs");
- putenv ("GTK_IM_MODULE_FILE=../../modules/input/gtk.immodules");
+ g_setenv ("GDK_PIXBUF_MODULE_FILE", "../../gdk-pixbuf/gdk-pixbuf.loaders", TRUE);
+ g_setenv ("GTK_IM_MODULE_FILE", "../../modules/input/gtk.immodules", TRUE);
}
/* -- End of hack -- */
gtk_init (&argc, &argv);
+
+ setup_default_icon ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "GTK+ Code Demos");
- gtk_signal_connect (GTK_OBJECT (window), "destroy",
- GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_main_quit), NULL);
hbox = gtk_hbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), hbox);