+#include "config.h"
#include <errno.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <ctype.h>
#include <gtk/gtk.h>
+#include <glib/gstdio.h>
-#include <demos.h>
+#include "demos.h"
static GtkTextBuffer *info_buffer;
static GtkTextBuffer *source_buffer;
static gchar *current_file = NULL;
+
enum {
TITLE_COLUMN,
FILENAME_COLUMN,
FUNC_COLUMN,
- ITALIC_COLUMN,
+ STYLE_COLUMN,
NUM_COLUMNS
};
+typedef struct _CallbackData CallbackData;
+struct _CallbackData
+{
+ GtkTreeModel *model;
+ 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_of_module (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)
+{
+ CallbackData *cbdata = data;
+ GtkTreeIter iter;
+ PangoStyle style;
+
+ gtk_tree_model_get_iter (cbdata->model, &iter, cbdata->path);
+ gtk_tree_model_get (GTK_TREE_MODEL (cbdata->model), &iter,
+ STYLE_COLUMN, &style,
+ -1);
+ if (style == PANGO_STYLE_ITALIC)
+ gtk_tree_store_set (GTK_TREE_STORE (cbdata->model), &iter,
+ STYLE_COLUMN, PANGO_STYLE_NORMAL,
+ -1);
+
+ gtk_tree_path_free (cbdata->path);
+ g_free (cbdata);
+}
+
gboolean
read_line (FILE *stream, GString *str)
{
int n_read = 0;
+#ifdef HAVE_FLOCKFILE
flockfile (stream);
+#endif
g_string_truncate (str, 0);
{
int c;
+#ifdef HAVE_FLOCKFILE
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;
}
+
+/* Stupid syntax highlighting.
+ *
+ * No regex was used in the making of this highlighting.
+ * It should only work for simple cases. This is good, as
+ * that's all we should have in the demos.
+ */
+/* This code should not be used elsewhere, except perhaps as an example of how
+ * to iterate through a text buffer.
+ */
+enum {
+ STATE_NORMAL,
+ STATE_IN_COMMENT
+};
+
+static gchar *tokens[] =
+{
+ "/*",
+ "\"",
+ NULL
+};
+
+static gchar *types[] =
+{
+ "static",
+ "const ",
+ "void",
+ "gint",
+ " int ",
+ " char ",
+ "gchar ",
+ "gfloat",
+ "float",
+ "double",
+ "gint8",
+ "gint16",
+ "gint32",
+ "guint",
+ "guint8",
+ "guint16",
+ "guint32",
+ "guchar",
+ "glong",
+ "gboolean" ,
+ "gshort",
+ "gushort",
+ "gulong",
+ "gdouble",
+ "gldouble",
+ "gpointer",
+ "NULL",
+ "GList",
+ "GSList",
+ "FALSE",
+ "TRUE",
+ "FILE ",
+ "GtkColorSelection ",
+ "GtkWidget ",
+ "GtkButton ",
+ "GdkColor ",
+ "GdkRectangle ",
+ "GdkEventExpose ",
+ "GdkGC ",
+ "GdkPixbufLoader ",
+ "GdkPixbuf ",
+ "GError",
+ "size_t",
+ "GtkAboutDialog ",
+ "GtkAction ",
+ "GtkActionEntry ",
+ "GtkRadioActionEntry ",
+ "GtkIconFactory ",
+ "GtkStockItem ",
+ "GtkIconSet ",
+ "GtkTextBuffer ",
+ "GtkStatusbar ",
+ "GtkTextIter ",
+ "GtkTextMark ",
+ "GdkEventWindowState ",
+ "GtkActionGroup ",
+ "GtkUIManager ",
+ "GtkRadioAction ",
+ "GtkActionClass ",
+ "GtkToggleActionEntry ",
+ "GtkAssistant ",
+ "GtkBuilder ",
+ "GtkSizeGroup ",
+ "GtkTreeModel ",
+ "GtkTreeSelection ",
+ "GdkDisplay ",
+ "GdkScreen ",
+ "GdkWindow ",
+ "GdkEventButton ",
+ "GdkCursor ",
+ "GtkTreeIter ",
+ "GtkTreeViewColumn ",
+ "GdkDisplayManager ",
+ "GtkClipboard ",
+ "GtkIconSize ",
+ "GtkImage ",
+ "GdkDragContext ",
+ "GtkSelectionData ",
+ "GtkDialog ",
+ "GtkMenuItem ",
+ "GtkListStore ",
+ "GtkCellLayout ",
+ "GtkCellRenderer ",
+ "GtkTreePath ",
+ "GtkTreeStore ",
+ "GtkEntry ",
+ "GtkEditable ",
+ "GtkEditableInterface ",
+ "GdkPixmap ",
+ "GdkEventConfigure ",
+ "GdkEventMotion ",
+ "GdkModifierType ",
+ "GtkEntryCompletion ",
+ "GtkToolItem ",
+ "GDir ",
+ "GtkIconView ",
+ "GtkCellRendererText ",
+ "GtkContainer ",
+ "GtkAccelGroup ",
+ "GtkPaned ",
+ "GtkPrintOperation ",
+ "GtkPrintContext ",
+ "cairo_t ",
+ "PangoLayout "
+ "PangoFontDescription ",
+ "PangoRenderer ",
+ "PangoMatrix ",
+ "PangoContext ",
+ "PangoLayout ",
+ "GtkTable ",
+ "GtkToggleButton ",
+ "GString ",
+ "GtkIconSize ",
+ "GtkTreeView ",
+ "GtkTextTag ",
+ "GdkEvent ",
+ "GdkEventKey ",
+ "GtkTextView ",
+ "GdkEventVisibility ",
+ "GdkBitmap ",
+ "GtkTextChildAnchor ",
+ "GArray ",
+ "GtkCellEditable ",
+ "GtkCellRendererToggle ",
+ NULL
+};
+
+static gchar *control[] =
+{
+ " if ",
+ " while ",
+ " else",
+ " do ",
+ " for ",
+ "?",
+ ":",
+ "return ",
+ "goto ",
+ NULL
+};
+void
+parse_chars (gchar *text,
+ gchar **end_ptr,
+ gint *state,
+ gchar **tag,
+ gboolean start)
+{
+ gint i;
+ gchar *next_token;
+
+ /* Handle comments first */
+ if (*state == STATE_IN_COMMENT)
+ {
+ *end_ptr = strstr (text, "*/");
+ if (*end_ptr)
+ {
+ *end_ptr += 2;
+ *state = STATE_NORMAL;
+ *tag = "comment";
+ }
+ return;
+ }
+
+ *tag = NULL;
+ *end_ptr = NULL;
+
+ /* check for comment */
+ if (!strncmp (text, "/*", 2))
+ {
+ *end_ptr = strstr (text, "*/");
+ if (*end_ptr)
+ *end_ptr += 2;
+ else
+ *state = STATE_IN_COMMENT;
+ *tag = "comment";
+ return;
+ }
+
+ /* check for preprocessor defines */
+ if (*text == '#' && start)
+ {
+ *end_ptr = NULL;
+ *tag = "preprocessor";
+ return;
+ }
+
+ /* functions */
+ if (start && * text != '\t' && *text != ' ' && *text != '{' && *text != '}')
+ {
+ if (strstr (text, "("))
+ {
+ *end_ptr = strstr (text, "(");
+ *tag = "function";
+ return;
+ }
+ }
+ /* check for types */
+ for (i = 0; types[i] != NULL; i++)
+ if (!strncmp (text, types[i], strlen (types[i])) ||
+ (start && types[i][0] == ' ' && !strncmp (text, types[i] + 1, strlen (types[i]) - 1)))
+ {
+ *end_ptr = text + strlen (types[i]);
+ *tag = "type";
+ return;
+ }
+
+ /* check for control */
+ for (i = 0; control[i] != NULL; i++)
+ if (!strncmp (text, control[i], strlen (control[i])))
+ {
+ *end_ptr = text + strlen (control[i]);
+ *tag = "control";
+ return;
+ }
+
+ /* check for string */
+ if (text[0] == '"')
+ {
+ gint maybe_escape = FALSE;
+
+ *end_ptr = text + 1;
+ *tag = "string";
+ while (**end_ptr != '\000')
+ {
+ if (**end_ptr == '\"' && !maybe_escape)
+ {
+ *end_ptr += 1;
+ return;
+ }
+ if (**end_ptr == '\\')
+ maybe_escape = TRUE;
+ else
+ maybe_escape = FALSE;
+ *end_ptr += 1;
+ }
+ return;
+ }
+
+ /* not at the start of a tag. Find the next one. */
+ for (i = 0; tokens[i] != NULL; i++)
+ {
+ next_token = strstr (text, tokens[i]);
+ if (next_token)
+ {
+ if (*end_ptr)
+ *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
+ else
+ *end_ptr = next_token;
+ }
+ }
+
+ for (i = 0; types[i] != NULL; i++)
+ {
+ next_token = strstr (text, types[i]);
+ if (next_token)
+ {
+ if (*end_ptr)
+ *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
+ else
+ *end_ptr = next_token;
+ }
+ }
+
+ for (i = 0; control[i] != NULL; i++)
+ {
+ next_token = strstr (text, control[i]);
+ if (next_token)
+ {
+ if (*end_ptr)
+ *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
+ else
+ *end_ptr = next_token;
+ }
+ }
+}
+
+/* While not as cool as c-mode, this will do as a quick attempt at highlighting */
+static void
+fontify (void)
+{
+ GtkTextIter start_iter, next_iter, tmp_iter;
+ gint state;
+ gchar *text;
+ gchar *start_ptr, *end_ptr;
+ gchar *tag;
+
+ state = STATE_NORMAL;
+
+ gtk_text_buffer_get_iter_at_offset (source_buffer, &start_iter, 0);
+
+ next_iter = start_iter;
+ while (gtk_text_iter_forward_line (&next_iter))
+ {
+ gboolean start = TRUE;
+ start_ptr = text = gtk_text_iter_get_text (&start_iter, &next_iter);
+
+ do
+ {
+ parse_chars (start_ptr, &end_ptr, &state, &tag, start);
+
+ start = FALSE;
+ if (end_ptr)
+ {
+ tmp_iter = start_iter;
+ gtk_text_iter_forward_chars (&tmp_iter, end_ptr - start_ptr);
+ }
+ else
+ {
+ tmp_iter = next_iter;
+ }
+ if (tag)
+ gtk_text_buffer_apply_tag_by_name (source_buffer, tag, &start_iter, &tmp_iter);
+
+ start_iter = tmp_iter;
+ start_ptr = end_ptr;
+ }
+ while (end_ptr);
+
+ g_free (text);
+ start_iter = next_iter;
+ }
+}
+
void
load_file (const gchar *filename)
{
FILE *file;
GtkTextIter start, end;
+ char *full_filename;
+ GError *err = NULL;
GString *buffer = g_string_new (NULL);
int state = 0;
gboolean in_para = 0;
if (current_file && !strcmp (current_file, filename))
- return;
+ {
+ g_string_free (buffer, TRUE);
+ return;
+ }
g_free (current_file);
current_file = g_strdup (filename);
gtk_text_buffer_get_bounds (source_buffer, &start, &end);
gtk_text_buffer_delete (source_buffer, &start, &end);
- file = fopen (filename, "r");
- if (!file)
+ full_filename = demo_find_file (filename, &err);
+ if (!full_filename)
{
- g_warning ("Cannot open %s: %s\n", filename, g_strerror (errno));
+ g_warning ("%s", err->message);
+ g_error_free (err);
return;
}
+ file = g_fopen (full_filename, "r");
+
+ if (!file)
+ g_warning ("Cannot open %s: %s\n", full_filename, g_strerror (errno));
+
+ g_free (full_filename);
+
+ if (!file)
+ 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;
}
}
- gtk_text_buffer_get_bounds (source_buffer, &start, &end);
- gtk_text_buffer_apply_tag_by_name (info_buffer, "source", &start, &end);
+ fclose (file);
+
+ fontify ();
+
+ g_string_free (buffer, TRUE);
}
-gboolean
-button_press_event_cb (GtkTreeView *tree_view,
- GdkEventButton *event,
- GtkTreeModel *model)
+void
+row_activated_cb (GtkTreeView *tree_view,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column)
{
- 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);
+ GtkTreeIter iter;
+ PangoStyle style;
+ GDoDemoFunc func;
+ GtkWidget *window;
+ GtkTreeModel *model;
- if (path)
+ model = gtk_tree_view_get_model (tree_view);
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (GTK_TREE_MODEL (model),
+ &iter,
+ FUNC_COLUMN, &func,
+ STYLE_COLUMN, &style,
+ -1);
+
+ if (func)
+ {
+ gtk_tree_store_set (GTK_TREE_STORE (model),
+ &iter,
+ STYLE_COLUMN, (style == PANGO_STYLE_ITALIC ? PANGO_STYLE_NORMAL : PANGO_STYLE_ITALIC),
+ -1);
+ window = (func) (gtk_widget_get_toplevel (GTK_WIDGET (tree_view)));
+
+ if (window != NULL)
{
- GtkTreeIter iter;
- gboolean italic;
- GVoidFunc func;
-
- gtk_tree_model_get_iter (model, &iter, path);
- gtk_tree_store_get (GTK_TREE_STORE (model),
- &iter,
- FUNC_COLUMN, &func,
- ITALIC_COLUMN, &italic,
- -1);
- (func) ();
- gtk_tree_store_set (GTK_TREE_STORE (model),
- &iter,
- ITALIC_COLUMN, !italic,
- -1);
- gtk_tree_path_free (path);
+ 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_signal_emit_stop_by_name (GTK_OBJECT (tree_view),
- "button_press_event");
- return TRUE;
}
-
- return FALSE;
}
static void
GtkTreeIter iter;
GValue value = {0, };
- if (! gtk_tree_selection_get_selected (selection, &iter))
+ if (! gtk_tree_selection_get_selected (selection, NULL, &iter))
return;
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);
}
GTK_SHADOW_IN);
text_view = gtk_text_view_new ();
- gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
*buffer = gtk_text_buffer_new (NULL);
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), *buffer);
gtk_text_view_set_editable (GTK_TEXT_VIEW (text_view), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text_view), FALSE);
+ gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
+
if (is_source)
{
- font_desc = pango_font_description_from_string ("Courier 10");
+ font_desc = pango_font_description_from_string ("monospace");
gtk_widget_modify_font (text_view, font_desc);
pango_font_description_free (font_desc);
+
+ gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view),
+ GTK_WRAP_NONE);
+ }
+ else
+ {
+ /* Make it a bit nicer for text. */
+ gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view),
+ GTK_WRAP_WORD);
+ gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (text_view),
+ 2);
+ gtk_text_view_set_pixels_below_lines (GTK_TEXT_VIEW (text_view),
+ 2);
}
-
- gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view), !is_source);
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)
{
GtkTreeSelection *selection;
GtkCellRenderer *cell;
GtkWidget *tree_view;
- GtkObject *column;
- GtkObject *model;
+ GtkTreeViewColumn *column;
+ GtkTreeStore *model;
GtkTreeIter iter;
- gint i;
+ GtkWidget *box, *label, *scrolled_window;
- model = gtk_tree_store_new_with_values (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_INT);
+ 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_type (GTK_TREE_SELECTION (selection),
- GTK_TREE_SELECTION_SINGLE);
- gtk_widget_set_usize (tree_view, 200, -1);
+ gtk_tree_selection_set_mode (GTK_TREE_SELECTION (selection),
+ 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,
- ITALIC_COLUMN, FALSE,
+ TITLE_COLUMN, d->title,
+ FILENAME_COLUMN, d->filename,
+ FUNC_COLUMN, d->func,
+ STYLE_COLUMN, PANGO_STYLE_NORMAL,
-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,
+ STYLE_COLUMN, PANGO_STYLE_NORMAL,
+ -1);
+
+ children++;
+ }
}
cell = gtk_cell_renderer_text_new ();
- column = gtk_tree_view_column_new_with_attributes ("Widget",
+
+ column = gtk_tree_view_column_new_with_attributes ("Widget (double click for demo)",
cell,
"text", TITLE_COLUMN,
- "italic", ITALIC_COLUMN,
+ "style", STYLE_COLUMN,
NULL);
+
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view),
GTK_TREE_VIEW_COLUMN (column));
- gtk_signal_connect (GTK_OBJECT (selection), "selection_changed", selection_cb, model);
- gtk_signal_connect (GTK_OBJECT (tree_view), "button_press_event", GTK_SIGNAL_FUNC (button_press_event_cb), model);
+ gtk_tree_model_get_iter_first (GTK_TREE_MODEL (model), &iter);
+ gtk_tree_selection_select_iter (GTK_TREE_SELECTION (selection), &iter);
+
+ 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_collapse_all (GTK_TREE_VIEW (tree_view));
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
+
+ scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
+ GTK_POLICY_NEVER,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
+
+ label = gtk_label_new ("Widget (double click for demo)");
+
+ box = gtk_notebook_new ();
+ gtk_notebook_append_page (GTK_NOTEBOOK (box), scrolled_window, label);
- return tree_view;
+ gtk_widget_grab_focus (tree_view);
+
+ g_object_unref (model);
+
+ return box;
+}
+
+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
GtkWidget *tree;
GtkTextTag *tag;
+ /* Most code in gtk-demo is intended to be exemplary, but not
+ * 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/libpixbufloader-pnm.la",
+ G_FILE_TEST_EXISTS))
+ {
+ g_setenv ("GDK_PIXBUF_MODULE_FILE", "../../gdk-pixbuf/loaders.cache", TRUE);
+ g_setenv ("GTK_IM_MODULE_FILE", "../../modules/input/immodules.cache", TRUE);
+ }
+ /* -- End of hack -- */
+
gtk_init (&argc, &argv);
+
+ setup_default_icon ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
- gtk_signal_connect (GTK_OBJECT (window), "destroy",
- GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
+ gtk_window_set_title (GTK_WINDOW (window), "GTK+ Code Demos");
+ g_signal_connect_after (window, "destroy",
+ G_CALLBACK (gtk_main_quit), NULL);
- hbox = gtk_hbox_new (FALSE, 0);
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), hbox);
tree = create_tree ();
gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
create_text (&info_buffer, FALSE),
- gtk_label_new ("Info"));
+ gtk_label_new_with_mnemonic ("_Info"));
+ tag = gtk_text_buffer_create_tag (info_buffer, "title",
+ "font", "Sans 18",
+ NULL);
+ g_object_unref (info_buffer);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
create_text (&source_buffer, TRUE),
- gtk_label_new ("Source"));
-
- tag = gtk_text_buffer_create_tag (info_buffer, "title");
- gtk_object_set (GTK_OBJECT (tag),
- "font", "Sans 18",
- NULL);
-
- tag = gtk_text_buffer_create_tag (info_buffer, "source");
- gtk_object_set (GTK_OBJECT (tag),
- "font", "Courier 10",
- "pixels_above_lines", 0,
- "pixels_below_lines", 0,
- NULL);
-
+ gtk_label_new_with_mnemonic ("_Source"));
+
+
+ tag = gtk_text_buffer_create_tag (source_buffer, "comment",
+ "foreground", "DodgerBlue",
+ NULL);
+ tag = gtk_text_buffer_create_tag (source_buffer, "type",
+ "foreground", "ForestGreen",
+ NULL);
+ tag = gtk_text_buffer_create_tag (source_buffer, "string",
+ "foreground", "RosyBrown",
+ "weight", PANGO_WEIGHT_BOLD,
+ NULL);
+ tag = gtk_text_buffer_create_tag (source_buffer, "control",
+ "foreground", "purple",
+ NULL);
+ tag = gtk_text_buffer_create_tag (source_buffer, "preprocessor",
+ "style", PANGO_STYLE_OBLIQUE,
+ "foreground", "burlywood4",
+ NULL);
+ tag = gtk_text_buffer_create_tag (source_buffer, "function",
+ "weight", PANGO_WEIGHT_BOLD,
+ "foreground", "DarkGoldenrod4",
+ NULL);
+ g_object_unref (source_buffer);
+
gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
gtk_widget_show_all (window);