forked from AuroraMiddleware/gtk
1072 lines
26 KiB
C
1072 lines
26 KiB
C
#include "config.h"
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
#include <glib/gstdio.h>
|
|
|
|
#include "demos.h"
|
|
|
|
static GtkTextBuffer *info_buffer;
|
|
static GtkTextBuffer *source_buffer;
|
|
|
|
static gchar *current_file = NULL;
|
|
|
|
static GtkWidget *notebook;
|
|
|
|
enum {
|
|
TITLE_COLUMN,
|
|
FILENAME_COLUMN,
|
|
FUNC_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-3.0\\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);
|
|
|
|
while (1)
|
|
{
|
|
int c;
|
|
|
|
#ifdef HAVE_FLOCKFILE
|
|
c = getc_unlocked (stream);
|
|
#else
|
|
c = getc (stream);
|
|
#endif
|
|
|
|
if (c == EOF)
|
|
goto done;
|
|
else
|
|
n_read++;
|
|
|
|
switch (c)
|
|
{
|
|
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') ||
|
|
(c == '\n' && next_c == '\r')))
|
|
ungetc (next_c, stream);
|
|
|
|
goto done;
|
|
}
|
|
default:
|
|
g_string_append_c (str, c);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
static GtkWidget *create_text (GtkTextBuffer **buffer, gboolean is_source);
|
|
|
|
static void
|
|
add_data_tab (const gchar *filename)
|
|
{
|
|
GtkTextBuffer *buffer = NULL;
|
|
gchar *full_filename;
|
|
GError *err = NULL;
|
|
gchar *text;
|
|
GtkWidget *widget, *label;
|
|
|
|
full_filename = demo_find_file (filename, &err);
|
|
if (!full_filename ||
|
|
!g_file_get_contents (full_filename, &text, NULL, &err))
|
|
{
|
|
g_warning ("%s", err->message);
|
|
g_error_free (err);
|
|
return;
|
|
}
|
|
|
|
widget = create_text (&buffer, FALSE);
|
|
gtk_widget_show_all (widget);
|
|
label = gtk_label_new (filename);
|
|
gtk_widget_show (label);
|
|
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
|
|
|
|
gtk_text_buffer_set_text (buffer, text, -1);
|
|
|
|
g_free (full_filename);
|
|
g_free (text);
|
|
}
|
|
|
|
static void
|
|
remove_data_tabs (void)
|
|
{
|
|
gint i;
|
|
|
|
for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) - 1; i > 1; i--)
|
|
gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), i);
|
|
}
|
|
|
|
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;
|
|
gchar **names;
|
|
gint i;
|
|
|
|
remove_data_tabs ();
|
|
|
|
names = g_strsplit (filename, " ", -1);
|
|
|
|
for (i = 1; names[i]; i++)
|
|
add_data_tab (names[i]);
|
|
|
|
if (current_file && !strcmp (current_file, names[0]))
|
|
{
|
|
g_string_free (buffer, TRUE);
|
|
return;
|
|
}
|
|
|
|
g_free (current_file);
|
|
current_file = g_strdup (names[0]);
|
|
|
|
gtk_text_buffer_get_bounds (info_buffer, &start, &end);
|
|
gtk_text_buffer_delete (info_buffer, &start, &end);
|
|
|
|
gtk_text_buffer_get_bounds (source_buffer, &start, &end);
|
|
gtk_text_buffer_delete (source_buffer, &start, &end);
|
|
|
|
full_filename = demo_find_file (names[0], &err);
|
|
if (!full_filename)
|
|
{
|
|
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 == '*' || g_ascii_isspace (*p))
|
|
p++;
|
|
r = p;
|
|
while (*r != '\0')
|
|
{
|
|
while (*r != '/' && *r != ':' && *r != '\0')
|
|
r++;
|
|
if (*r == '/')
|
|
{
|
|
r++;
|
|
p = r;
|
|
}
|
|
if (r[0] == ':' && r[1] == ':')
|
|
*r = '\0';
|
|
}
|
|
q = p + strlen (p);
|
|
while (q > p && g_ascii_isspace (*(q - 1)))
|
|
q--;
|
|
|
|
|
|
if (q > p)
|
|
{
|
|
int len_chars = g_utf8_pointer_to_offset (p, q);
|
|
|
|
end = start;
|
|
|
|
g_assert (strlen (p) >= q - p);
|
|
gtk_text_buffer_insert (info_buffer, &end, p, q - p);
|
|
start = end;
|
|
|
|
gtk_text_iter_backward_chars (&start, len_chars);
|
|
gtk_text_buffer_apply_tag_by_name (info_buffer, "title", &start, &end);
|
|
|
|
start = end;
|
|
|
|
while (*p && *p != '\n') p++;
|
|
|
|
state++;
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
/* Reading body of info section */
|
|
while (g_ascii_isspace (*p))
|
|
p++;
|
|
if (*p == '*' && *(p + 1) == '/')
|
|
{
|
|
gtk_text_buffer_get_iter_at_offset (source_buffer, &start, 0);
|
|
state++;
|
|
}
|
|
else
|
|
{
|
|
int len;
|
|
|
|
while (*p == '*' || g_ascii_isspace (*p))
|
|
p++;
|
|
|
|
len = strlen (p);
|
|
while (g_ascii_isspace (*(p + len - 1)))
|
|
len--;
|
|
|
|
if (len > 0)
|
|
{
|
|
if (in_para)
|
|
gtk_text_buffer_insert (info_buffer, &start, " ", 1);
|
|
|
|
g_assert (strlen (p) >= len);
|
|
gtk_text_buffer_insert (info_buffer, &start, p, len);
|
|
in_para = 1;
|
|
}
|
|
else
|
|
{
|
|
gtk_text_buffer_insert (info_buffer, &start, "\n", 1);
|
|
in_para = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
/* Skipping blank lines */
|
|
while (g_ascii_isspace (*p))
|
|
p++;
|
|
if (*p)
|
|
{
|
|
p = buffer->str;
|
|
state++;
|
|
/* Fall through */
|
|
}
|
|
else
|
|
break;
|
|
|
|
case 3:
|
|
/* Reading program body */
|
|
gtk_text_buffer_insert (source_buffer, &start, p, -1);
|
|
gtk_text_buffer_insert (source_buffer, &start, "\n", 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
fclose (file);
|
|
|
|
fontify ();
|
|
|
|
g_string_free (buffer, TRUE);
|
|
|
|
g_strfreev (names);
|
|
}
|
|
|
|
void
|
|
row_activated_cb (GtkTreeView *tree_view,
|
|
GtkTreePath *path,
|
|
GtkTreeViewColumn *column)
|
|
{
|
|
GtkTreeIter iter;
|
|
PangoStyle style;
|
|
GDoDemoFunc func;
|
|
GtkWidget *window;
|
|
GtkTreeModel *model;
|
|
|
|
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)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
selection_cb (GtkTreeSelection *selection,
|
|
GtkTreeModel *model)
|
|
{
|
|
GtkTreeIter iter;
|
|
GValue value = G_VALUE_INIT;
|
|
|
|
if (! gtk_tree_selection_get_selected (selection, NULL, &iter))
|
|
return;
|
|
|
|
gtk_tree_model_get_value (model, &iter,
|
|
FILENAME_COLUMN,
|
|
&value);
|
|
if (g_value_get_string (&value))
|
|
load_file (g_value_get_string (&value));
|
|
g_value_unset (&value);
|
|
}
|
|
|
|
static GtkWidget *
|
|
create_text (GtkTextBuffer **buffer,
|
|
gboolean is_source)
|
|
{
|
|
GtkWidget *scrolled_window;
|
|
GtkWidget *text_view;
|
|
PangoFontDescription *font_desc;
|
|
|
|
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
|
|
GTK_POLICY_AUTOMATIC,
|
|
GTK_POLICY_AUTOMATIC);
|
|
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
|
|
GTK_SHADOW_IN);
|
|
|
|
text_view = gtk_text_view_new ();
|
|
|
|
*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 ("monospace");
|
|
gtk_widget_override_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);
|
|
}
|
|
|
|
return scrolled_window;
|
|
}
|
|
|
|
static GtkWidget *
|
|
create_tree (void)
|
|
{
|
|
GtkTreeSelection *selection;
|
|
GtkCellRenderer *cell;
|
|
GtkWidget *tree_view;
|
|
GtkTreeViewColumn *column;
|
|
GtkTreeStore *model;
|
|
GtkTreeIter iter;
|
|
GtkWidget *box, *label, *scrolled_window;
|
|
|
|
Demo *d = gtk_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_mode (GTK_TREE_SELECTION (selection),
|
|
GTK_SELECTION_BROWSE);
|
|
gtk_widget_set_size_request (tree_view, 200, -1);
|
|
|
|
/* 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, 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 (double click for demo)",
|
|
cell,
|
|
"text", TITLE_COLUMN,
|
|
"style", STYLE_COLUMN,
|
|
NULL);
|
|
|
|
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view),
|
|
GTK_TREE_VIEW_COLUMN (column));
|
|
|
|
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);
|
|
|
|
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
|
|
main (int argc, char **argv)
|
|
{
|
|
GtkWidget *window;
|
|
GtkWidget *hbox;
|
|
GtkWidget *tree;
|
|
|
|
/* 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 ("../../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
|
|
{
|
|
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_window_set_title (GTK_WINDOW (window), "GTK+ Code Demos");
|
|
g_signal_connect_after (window, "destroy",
|
|
G_CALLBACK (gtk_main_quit), NULL);
|
|
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
|
|
gtk_container_add (GTK_CONTAINER (window), hbox);
|
|
|
|
tree = create_tree ();
|
|
gtk_box_pack_start (GTK_BOX (hbox), tree, FALSE, FALSE, 0);
|
|
|
|
notebook = gtk_notebook_new ();
|
|
gtk_box_pack_start (GTK_BOX (hbox), notebook, TRUE, TRUE, 0);
|
|
|
|
gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
|
|
create_text (&info_buffer, FALSE),
|
|
gtk_label_new_with_mnemonic ("_Info"));
|
|
|
|
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_with_mnemonic ("_Source"));
|
|
|
|
|
|
gtk_text_buffer_create_tag (source_buffer, "comment",
|
|
"foreground", "DodgerBlue",
|
|
NULL);
|
|
gtk_text_buffer_create_tag (source_buffer, "type",
|
|
"foreground", "ForestGreen",
|
|
NULL);
|
|
gtk_text_buffer_create_tag (source_buffer, "string",
|
|
"foreground", "RosyBrown",
|
|
"weight", PANGO_WEIGHT_BOLD,
|
|
NULL);
|
|
gtk_text_buffer_create_tag (source_buffer, "control",
|
|
"foreground", "purple",
|
|
NULL);
|
|
gtk_text_buffer_create_tag (source_buffer, "preprocessor",
|
|
"style", PANGO_STYLE_OBLIQUE,
|
|
"foreground", "burlywood4",
|
|
NULL);
|
|
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);
|
|
|
|
load_file (gtk_demos[0].filename);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|