diff options
Diffstat (limited to 'executive-summary/component/e-summary.c')
| -rw-r--r-- | executive-summary/component/e-summary.c | 496 |
1 files changed, 496 insertions, 0 deletions
diff --git a/executive-summary/component/e-summary.c b/executive-summary/component/e-summary.c new file mode 100644 index 0000000000..0684a8c083 --- /dev/null +++ b/executive-summary/component/e-summary.c @@ -0,0 +1,496 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-summary.c + * + * Authors: Iain Holmes <iain@helixcode.com> + * + * Copyright (C) 2000 Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <gnome.h> +#include <bonobo.h> + +#include <gtkhtml/gtkhtml.h> +#include <gtkhtml/gtkhtml-stream.h> +#include <gtk/gtkvbox.h> +#include <gal/util/e-util.h> +#include <e-summary-subwindow.h> + +#include <widgets/misc/e-title-bar.h> +#include <executive-summary.h> + +#include "e-summary.h" + +#define PARENT_TYPE (gtk_vbox_get_type ()) + +static GtkObjectClass *e_summary_parent_class; + +struct _ESummaryPrivate { + GtkWidget *html_scroller; + GtkWidget *html; + + GHashTable *summary_to_window; + GList *window_list; + + GtkHTMLStream *stream; +}; + +typedef enum { + E_SUMMARY_WINDOW_BONOBO, + E_SUMMARY_WINDOW_HTML +} ESummaryWindowType; + +typedef struct _ESummaryWindow { + ExecutiveSummary *summary; + char *title; + + ESummaryWindowType type; + + char *html; + GtkWidget *control; +} ESummaryWindow; + +static gboolean on_object_requested (GtkHTML *html, + GtkHTMLEmbedded *eb, + ESummary *summary); +static void e_summary_window_free (ESummaryWindow *window, + ESummaryPrivate *priv); + +/* GtkObject methods */ + +static void +s2w_foreach (gpointer *key, + gpointer *value, + ESummaryPrivate *priv) +{ + bonobo_object_unref (BONOBO_OBJECT (key)); + e_summary_window_free ((ESummaryWindow *) value, priv); +} + +static void +e_summary_destroy (GtkObject *object) +{ + ESummary *esummary = E_SUMMARY (object); + ESummaryPrivate *priv; + + priv = esummary->private; + if (priv == NULL) + return; + + g_hash_table_foreach (priv->summary_to_window, + s2w_foreach, priv); + g_hash_table_destroy (priv->summary_to_window); + + g_free (esummary->private); + esummary->private = NULL; + + e_summary_parent_class->destroy (object); +} + +static void +e_summary_class_init (GtkObjectClass *object_class) +{ + object_class->destroy = e_summary_destroy; + + e_summary_parent_class = gtk_type_class (PARENT_TYPE); +} + +static char * +e_pixmap_file (const char *filename) +{ + char *ret; + char *edir; + + /* Try the evolution images dir */ + edir = g_concat_dir_and_file (EVOLUTION_DATADIR "/images/evolution", + filename); + + if (g_file_exists (edir)) { + ret = g_strdup (edir); + g_free (edir); + + return ret; + } + + /* Try the evolution button images dir */ + edir = g_concat_dir_and_file (EVOLUTION_DATADIR "/images/evolution/buttons", + filename); + + if (g_file_exists (edir)) { + ret = g_strdup (edir); + g_free (edir); + + return ret; + } + + /* Fall back to the gnome_pixmap_file */ + return gnome_pixmap_file (filename); +} + +static void +request_cb (GtkHTML *html, + const gchar *url, + GtkHTMLStream *stream) +{ + char *filename; + FILE *handle; + + filename = e_pixmap_file (url); + + if (filename == NULL) { + gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR); + return; + } + + handle = fopen (filename, "r"); + g_free (filename); + + if (handle == NULL) { + gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR); + return; + } + + while (!feof (handle)) { + char buffer[4096]; + int size; + + /* Clear buffer */ + memset (buffer, 0x00, 4096); + + size = fread (buffer, 1, 4096, handle); + if (size != 4096) { + /* Under run */ + if (feof (handle)) { + gtk_html_stream_write (stream, buffer, size); + gtk_html_stream_close (stream, GTK_HTML_STREAM_OK); + fclose (handle); + return; + } else { + /* Error occurred */ + gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR); + fclose (handle); + return; + } + } + gtk_html_stream_write (stream, buffer, 4096); + } + + gtk_html_stream_close (stream, GTK_HTML_STREAM_OK); + fclose (handle); +} + +static void +e_summary_start_load (ESummary *summary) +{ + ESummaryPrivate *priv; + char *header = "<html><body>"; + + priv = summary->private; + priv->stream = gtk_html_begin (GTK_HTML (priv->html)); + gtk_html_write (GTK_HTML (priv->html), priv->stream, + header, strlen (header)); +} + +static void +load_default (ESummary *summary) +{ + ESummaryPrivate *priv; + char *def = "<table width=\"100%\"><tr><td align=\"right\"><img src=\"ccsplash.png\"></td></tr></table><hr>"; + + g_return_if_fail (summary != NULL); + g_return_if_fail (IS_E_SUMMARY (summary)); + + priv = summary->private; + + g_return_if_fail (priv->stream != NULL); + + gtk_html_write (GTK_HTML (priv->html), priv->stream, def, strlen (def)); +} + +static void +e_summary_end_load (ESummary *summary) +{ + ESummaryPrivate *priv; + char *footer = "<hr></body></html>"; + + priv = summary->private; + gtk_html_write (GTK_HTML (priv->html), priv->stream, + footer, strlen (footer)); + gtk_html_end (GTK_HTML (priv->html), priv->stream, GTK_HTML_STREAM_OK); + + priv->stream = NULL; +} + +static void +e_summary_init (ESummary *esummary) +{ + GdkColor bgcolour = {0, 0xdfff, 0xdfff, 0xffff}; + ESummaryPrivate *priv; + + esummary->private = g_new0 (ESummaryPrivate, 1); + priv = esummary->private; + g_print ("priv: %p\n", priv); + + priv->window_list = NULL; + /* HTML widget */ + priv->html_scroller = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroller), + GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); + priv->html = gtk_html_new (); + gtk_html_set_editable (GTK_HTML (priv->html), FALSE); + gtk_signal_connect (GTK_OBJECT (priv->html), "url-requested", + GTK_SIGNAL_FUNC (request_cb), NULL); + gtk_signal_connect (GTK_OBJECT (priv->html), "object-requested", + GTK_SIGNAL_FUNC (on_object_requested), esummary); + + gtk_html_set_default_background_color (GTK_HTML (priv->html), &bgcolour); + gtk_container_add (GTK_CONTAINER (priv->html_scroller), priv->html); + gtk_widget_show_all (priv->html_scroller); + + e_summary_rebuild_page (esummary); + + /* Pack stuff */ + gtk_box_pack_start (GTK_BOX (esummary), priv->html_scroller, + TRUE, TRUE, 0); + + /* Init hashtable */ + priv->summary_to_window = g_hash_table_new (NULL, NULL); +} + +E_MAKE_TYPE (e_summary, "ESummary", ESummary, e_summary_class_init, + e_summary_init, PARENT_TYPE); + +GtkWidget * +e_summary_new (const Evolution_Shell shell) +{ + ESummary *esummary; + + esummary = gtk_type_new (e_summary_get_type ()); + + return GTK_WIDGET (esummary); +} + +static gboolean +on_object_requested (GtkHTML *html, + GtkHTMLEmbedded *eb, + ESummary *summary) +{ + ESummaryWindow *window; + int type; + + if (sscanf (eb->classid, "cid:%d-%p", &type, &window) != 2) { + g_warning ("Could not get the window reference\n"); + return FALSE; + } + + switch (type) { + case 1: + g_assert_not_reached (); + break; + + case 2: + gtk_widget_show (window->control); + + gtk_widget_ref (GTK_WIDGET (window->control)); + if (window->control->parent != NULL) { + gtk_container_remove (GTK_CONTAINER (window->control->parent), window->control); + } + gtk_container_add (GTK_CONTAINER (eb), window->control); + + gtk_widget_unref (GTK_WIDGET (window->control)); + break; + + default: + g_assert_not_reached (); + } + + return TRUE; +} + +static void +e_summary_display_window (ESummary *esummary, + ESummaryWindow *window) +{ + ESummaryPrivate *priv; + char *footer = "</td></tr></table>"; + char *title_cid, *body_cid; + + priv = esummary->private; + + title_cid = g_strdup_printf ("<table height=\"100%%\" width=\"100%%\"><tr><td bgcolor=\"#ff0000\" align=\"left\"><b>%s</b></td></tr><tr><td>", window->title); + gtk_html_write (GTK_HTML (priv->html), priv->stream, title_cid, + strlen (title_cid)); + g_free (title_cid); + + switch (window->type) { + case E_SUMMARY_WINDOW_HTML: + gtk_html_write (GTK_HTML (priv->html), priv->stream, + window->html, strlen (window->html)); + break; + + case E_SUMMARY_WINDOW_BONOBO: + body_cid = g_strdup_printf ("<object classid=\"cid:2-%p\"></object>", window); + gtk_html_write (GTK_HTML (priv->html), priv->stream, + body_cid, strlen (body_cid)); + break; + + default: + break; + } + + gtk_html_write (GTK_HTML (priv->html), priv->stream, + footer, strlen (footer)); +} + +void +e_summary_rebuild_page (ESummary *esummary) +{ + ESummaryPrivate *priv; + GList *windows; + char *service_table = "<table numcols=\"2\" width=\"100%\">"; + int loc; + + g_return_if_fail (esummary != NULL); + g_return_if_fail (IS_E_SUMMARY (esummary)); + + priv = esummary->private; + + gtk_layout_freeze (GTK_LAYOUT (priv->html)); + e_summary_start_load (esummary); + load_default (esummary); + + /* Load the start of the services */ + gtk_html_write (GTK_HTML (priv->html), priv->stream, service_table, + strlen (service_table)); + /* Load each of the services */ + loc = 0; + for (windows = priv->window_list; windows; windows = windows->next) { + ESummaryWindow *window; + + window = windows->data; + + if (loc % 2 == 0) { + g_print ("new line:%d\n", loc); + if (loc != 0) { + gtk_html_write (GTK_HTML (priv->html), + priv->stream, "</tr>", 5); + } + gtk_html_write (GTK_HTML (priv->html), + priv->stream, "<tr>", 4); + } + + gtk_html_write (GTK_HTML (priv->html), priv->stream, + "<td>", 4); + + e_summary_display_window (esummary, window); + + gtk_html_write (GTK_HTML (priv->html), priv->stream, "</td>", 5); + loc++; + } + + gtk_html_write (GTK_HTML (priv->html), priv->stream, "</tr></table>", + 13); + e_summary_end_load (esummary); + gtk_layout_thaw (GTK_LAYOUT (priv->html)); +} + +void +e_summary_add_html_service (ESummary *esummary, + ExecutiveSummary *summary, + const char *html, + const char *title) +{ + ESummaryWindow *window; + ESummaryPrivate *priv; + + window = g_new0 (ESummaryWindow, 1); + window->type = E_SUMMARY_WINDOW_HTML; + window->html = g_strdup (html); + window->title = g_strdup (title); + + window->summary = summary; + priv = esummary->private; + priv->window_list = g_list_append (priv->window_list, window); + + g_hash_table_insert (priv->summary_to_window, summary, window); +} + +void +e_summary_add_bonobo_service (ESummary *esummary, + ExecutiveSummary *summary, + GtkWidget *control, + const char *title) +{ + ESummaryWindow *window; + ESummaryPrivate *priv; + + window = g_new0 (ESummaryWindow, 1); + window->type = E_SUMMARY_WINDOW_BONOBO; + window->control = control; + + window->title = g_strdup (title); + window->summary = summary; + + priv = esummary->private; + priv->window_list = g_list_append (priv->window_list, window); + + g_hash_table_insert (priv->summary_to_window, summary, window); +} + +static void +e_summary_window_free (ESummaryWindow *window, + ESummaryPrivate *priv) +{ + g_free (window->title); + if (window->type == E_SUMMARY_WINDOW_BONOBO) + gtk_widget_unref (window->control); + else + g_free (window->html); + + priv->window_list = g_list_remove (priv->window_list, window); + + g_hash_table_remove (priv->summary_to_window, window->summary); + g_free (window); +} + +void +e_summary_update_window (ESummary *esummary, + ExecutiveSummary *summary, + const char *html) +{ + ESummaryWindow *window; + ESummaryPrivate *priv; + + g_return_if_fail (esummary != NULL); + g_return_if_fail (IS_E_SUMMARY (esummary)); + g_return_if_fail (summary != NULL); + + priv = esummary->private; + window = g_hash_table_lookup (priv->summary_to_window, summary); + + g_return_if_fail (window != NULL); + + g_free (window->html); + window->html = g_strdup (html); + + e_summary_rebuild_page (esummary); +} + |