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helpbrowser hacking 

--Sven
This commit is contained in:
Sven Neumann 1999-09-29 14:35:04 +00:00
parent 5c1c35415e
commit de0379b94f
4 changed files with 132 additions and 40 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
Wed Sep 29 16:31:04 MEST 1999 Sven Neumann <sven@gimp.org>
* plug-ins/helpbrowser/helpbrowser.c: you can now drag the pages
from the helpbrowser to Netscape, error messages are more verbose
and a history bug was fixed
* help/contents.html
* help/index.html: explain that these pages are bogus
Wed Sep 29 13:34:26 MEST 1999 Sven Neumann <sven@gimp.org>
* plug-ins/gap: updated iterator procedure for paper_tile

5
help/contents.html
View File

@ -4,8 +4,11 @@
</head>
<body bgcolor="#ffffff">
<h1>Contents</h1>
<small>This page is only a placeholder until real help is written.
It is completely bogus, so don't expect anything to work...</small>
<p>
<ol>
<li><a href="preface.html">Preface</a></li>
<li><a href="welcome.html">Welcome</a></li>
<li><a href="tools/index.html">Tools</a></li>
<li>...</li>
</ol>

2
help/index.html
View File

@ -4,6 +4,8 @@
</head>
<body bgcolor="#ffffff">
<h1>GIMP Help Index</h1>
<small>This page is only a placeholder until real help is written.
It is completely bogus, so don't expect anything to work...</small>
<p>
<a href="#A">A</a>
<a href="#B">B</a>

156
plug-ins/helpbrowser/helpbrowser.c
View File

@ -42,7 +42,6 @@
#define chdir _chdir2
#endif
#define EEEK 23
#define GIMP_HELP_EXT_NAME "extension_gimp_help_browser"
#define GIMP_HELP_TEMP_EXT_NAME "extension_gimp_help_browser_temp"
@ -91,9 +90,13 @@ static char *doc_not_found_format_string =
"<center>"
"<p>"
"%s"
"<h2>Couldn't find document</h2>"
"%s"
"<h3>Couldn't find document</h3>"
"<tt>%s</tt>"
"</center>"
"<p>"
"<small>This either means that the help for this topic has not been written yet "
"or that something is wrong with your installation. Please check carefully "
"before you report this as a bug.</small>"
"</body>"
"</html>";
@ -103,12 +106,21 @@ static char *dir_not_found_format_string =
"<center>"
"<p>"
"%s"
"<h2>Couldn't change to directory</h2>"
"%s"
"<h3>Couldn't change to directory</h3>"
"<tt>%s</tt>"
"<h3>while trying to access</h3>"
"<tt>%s</tt>"
"</center>"
"<p>"
"<small>This either means that the help for this topic has not been written yet "
"or that something is wrong with your installation. Please check carefully "
"before you report this as a bug.</small>"
"</body>"
"</html>";
static gchar *eek_png_tag = "<h1>Eeek!</h1>";
/* the three help notebook pages */
static HelpPage pages[] =
@ -141,6 +153,7 @@ static HelpPage pages[] =
}
};
static HelpPage *current_page = &pages[HELP];
static GList *history = NULL;
@ -149,7 +162,12 @@ static GtkWidget *forward_button;
static GtkWidget *notebook;
static GtkWidget *combo;
static gchar *eek_png_tag = "<h1>Eeek!</h1>";
static GtkTargetEntry help_dnd_target_table[] =
{
{ "_NETSCAPE_URL", 0, 0 },
};
static guint n_help_dnd_targets = (sizeof (help_dnd_target_table) /
sizeof (help_dnd_target_table[0]));
/* GIMP plugin stuff */
@ -169,7 +187,7 @@ static gboolean temp_proc_installed = FALSE;
/* forward declaration */
static void load_page (HelpPage *source_page, HelpPage *dest_page,
static gint load_page (HelpPage *source_page, HelpPage *dest_page,
gchar *ref, gint pos,
gboolean add_to_queue, gboolean add_to_history);
@ -383,15 +401,13 @@ html_source (HelpPage *page,
combo);
if (add_to_history)
{
history_add (ref, title);
}
history_add (ref, title);
}
update_toolbar (page);
}
static void
static gint
load_page (HelpPage *source_page,
HelpPage *dest_page,
gchar *ref,
@ -407,12 +423,11 @@ load_page (HelpPage *source_page,
gchar *new_ref;
gboolean page_valid = FALSE;
g_return_if_fail (ref != NULL && source_page != NULL && dest_page != NULL);
g_return_val_if_fail (ref != NULL && source_page != NULL && dest_page != NULL, FALSE);
old_dir = g_dirname (source_page->current_ref);
new_dir = g_dirname (ref);
new_base = g_basename (ref);
/* return value is intentionally ignored */
chdir (old_dir);
@ -421,13 +436,13 @@ load_page (HelpPage *source_page,
if (chdir (new_dir) == -1)
{
g_string_sprintf (file_contents, dir_not_found_format_string,
eek_png_tag, new_dir);
if (g_path_is_absolute (ref))
new_ref = g_strdup (ref);
else
new_ref = g_strconcat (old_dir, G_DIR_SEPARATOR_S, ref, NULL);
g_string_sprintf (file_contents, dir_not_found_format_string,
eek_png_tag, new_dir, new_ref);
html_source (dest_page, new_ref, 0, file_contents->str, add_to_queue, FALSE);
goto FINISH;
@ -461,6 +476,7 @@ load_page (HelpPage *source_page,
file_contents = g_string_append (file_contents, aline);
fclose (afile);
}
if (strlen (file_contents->str) <= 0)
{
chdir (old_dir);
@ -483,6 +499,8 @@ load_page (HelpPage *source_page,
g_free (new_dir);
gtk_notebook_set_page (GTK_NOTEBOOK (notebook), dest_page->index);
return (page_valid);
}
static void
@ -603,12 +621,44 @@ notebook_switch_after_callback (GtkNotebook *notebook,
update_toolbar (current_page);
}
static void
combo_button_press_callback (GtkWidget *widget,
gpointer data)
static gint
notebook_label_button_press_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
if (current_page != &pages[HELP])
gtk_notebook_set_page (GTK_NOTEBOOK (notebook), HELP);
guint i = GPOINTER_TO_UINT (data);
if (current_page != &pages[i])
gtk_notebook_set_page (GTK_NOTEBOOK (notebook), i);
return (TRUE);
}
static void
combo_drag_begin (GtkWidget *widget,
gpointer data)
{
}
static void
combo_drag_handle (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time,
gpointer data)
{
HelpPage *page = (HelpPage*)data;
if (page->current_ref != NULL)
{
gtk_selection_data_set (selection_data,
selection_data->target,
8,
page->current_ref,
strlen (page->current_ref));
}
}
static void
@ -634,10 +684,12 @@ page_down_callback (GtkWidget *widget,
static gint
set_initial_history (gpointer data)
{
gint add_to_history = GPOINTER_TO_INT (data);
gchar *title;
title = XmHTMLGetTitle (pages[HELP].html);
history_add (pages[HELP].current_ref, title);
if (add_to_history)
history_add (pages[HELP].current_ref, title);
gtk_signal_handler_block_by_data (GTK_OBJECT (GTK_COMBO (combo)->entry), combo);
gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (combo)->entry), title);
@ -653,12 +705,15 @@ open_browser_dialog (gchar *path)
GtkWidget *vbox, *hbox, *bbox, *html_box;
GtkWidget *button;
GtkWidget *title;
GtkWidget *drag_source;
GtkWidget *label;
gchar *initial_dir;
gchar *initial_ref;
gchar *root_dir;
gchar *eek_png_path;
gint i;
gint success;
guint i;
gint argc;
gchar **argv;
@ -742,8 +797,8 @@ open_browser_dialog (gchar *path)
for (i = 0; i < 3; i++)
{
static gint page_up_signal = 0;
static gint page_down_signal = 0;
static guint page_up_signal = 0;
static guint page_down_signal = 0;
pages[i].index = i;
pages[i].html = gtk_xmhtml_new ();
@ -751,8 +806,8 @@ open_browser_dialog (gchar *path)
pages[i].current_ref = g_strconcat (initial_dir, G_DIR_SEPARATOR_S,
".", NULL);
gtk_xmhtml_set_anchor_underline_type(GTK_XMHTML (pages[i].html),
GTK_ANCHOR_SINGLE_LINE);
gtk_xmhtml_set_anchor_underline_type (GTK_XMHTML (pages[i].html),
GTK_ANCHOR_SINGLE_LINE);
gtk_xmhtml_set_anchor_buttons (GTK_XMHTML (pages[i].html), FALSE);
gtk_widget_set_usize (GTK_WIDGET (pages[i].html), -1, 300);
@ -760,21 +815,44 @@ open_browser_dialog (gchar *path)
{
case CONTENTS:
case INDEX:
title = gtk_label_new (pages[i].label);
title = drag_source = gtk_event_box_new ();
label = gtk_label_new (pages[i].label);
gtk_container_add (GTK_CONTAINER (title), label);
gtk_widget_show (label);
break;
case HELP:
title = combo = gtk_combo_new ();
gtk_widget_set_usize (GTK_WIDGET (title), 300, -1);
gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (title)->entry), FALSE);
gtk_combo_set_use_arrows (GTK_COMBO (title), TRUE);
gtk_signal_connect (GTK_OBJECT (title), "button_press_event",
GTK_SIGNAL_FUNC (combo_button_press_callback), NULL);
gtk_signal_connect (GTK_OBJECT (GTK_COMBO (combo)->entry), "changed",
GTK_SIGNAL_FUNC (entry_changed_callback), combo);
drag_source = GTK_COMBO (combo)->entry;
gtk_widget_set_usize (GTK_WIDGET (combo), 300, -1);
gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (combo)->entry), FALSE);
gtk_combo_set_use_arrows (GTK_COMBO (combo), TRUE);
gtk_signal_connect (GTK_OBJECT (GTK_COMBO (combo)->entry),
"changed",
GTK_SIGNAL_FUNC (entry_changed_callback),
combo);
gtk_widget_show (combo);
break;
default:
break;
}
}
/* connect to the button_press signal to make notebook switching working */
gtk_signal_connect (GTK_OBJECT (title), "button_press_event",
GTK_SIGNAL_FUNC (notebook_label_button_press_callback),
GUINT_TO_POINTER (i));
/* dnd source */
gtk_drag_source_set (GTK_WIDGET (drag_source),
GDK_BUTTON1_MASK,
help_dnd_target_table, n_help_dnd_targets,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
gtk_signal_connect (GTK_OBJECT (drag_source), "drag_begin",
GTK_SIGNAL_FUNC (combo_drag_begin),
&pages[i]);
gtk_signal_connect (GTK_OBJECT (drag_source), "drag_data_get",
GTK_SIGNAL_FUNC (combo_drag_handle),
&pages[i]);
html_box = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (html_box), pages[i].html);
@ -793,7 +871,7 @@ open_browser_dialog (gchar *path)
initial_ref = g_strconcat (initial_dir, G_DIR_SEPARATOR_S,
pages[i].home, NULL);
load_page (&pages[i], &pages[i], initial_ref, 0, TRUE, FALSE);
success = load_page (&pages[i], &pages[i], initial_ref, 0, TRUE, FALSE);
g_free (initial_ref);
gtk_widget_show (pages[i].html);
@ -836,9 +914,9 @@ open_browser_dialog (gchar *path)
gtk_widget_show (vbox);
gtk_widget_show (window);
g_free (initial_dir);
gtk_idle_add ((GtkFunction) set_initial_history, GINT_TO_POINTER (success));
gtk_idle_add ((GtkFunction) set_initial_history, (gpointer) EEEK);
g_free (initial_dir);
return TRUE;
}
@ -850,7 +928,7 @@ idle_load_page (gpointer data)
load_page (&pages[HELP], &pages[HELP], path, 0, TRUE, TRUE);
g_free (path);
return FALSE;
}