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/*
* notes.c
*
* Copyright © 2013 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <gtk/gtk.h>
#include "presentation.h"
struct notes
{
GtkWidget *window;
GtkWidget *v;
struct slide *slide;
};
static void set_notes_title(struct presentation *p)
{
gtk_window_set_title(GTK_WINDOW(p->notes->window), "Colloquium notes");
}
static void update_notes(struct presentation *p)
{
GtkTextBuffer *tb;
const char *ntext;
SCBlock *ch;
if ( p->notes == NULL ) return;
ch = sc_block_child(p->cur_edit_slide->notes);
if ( ch != NULL ) {
ntext = sc_block_contents(ch);
} else {
ntext = "NOTES ERROR";
}
tb = gtk_text_view_get_buffer(GTK_TEXT_VIEW(p->notes->v));
gtk_text_buffer_set_text(tb, ntext, -1);
}
void grab_current_notes(struct presentation *p)
{
gchar *text;
GtkTextBuffer *tb;
GtkTextIter i1, i2;
SCBlock *ch;
struct notes *n = p->notes;
if ( n == NULL ) return;
tb = gtk_text_view_get_buffer(GTK_TEXT_VIEW(n->v));
gtk_text_buffer_get_start_iter(tb, &i1);
gtk_text_buffer_get_end_iter(tb, &i2);
text = gtk_text_buffer_get_text(tb, &i1, &i2, TRUE);
ch = sc_block_child(n->slide->notes);
if ( ch != NULL ) {
sc_block_set_contents(ch, text);
} else {
fprintf(stderr, "NOTES ERROR\n");
}
}
void notify_notes_slide_changed(struct presentation *p, struct slide *np)
{
if ( p->notes == NULL ) return;
grab_current_notes(p);
p->notes->slide = np;
update_notes(p);
}
static gint close_notes_sig(GtkWidget *w, struct presentation *p)
{
grab_current_notes(p);
p->notes = NULL;
return FALSE;
}
void open_notes(struct presentation *p)
{
struct notes *n;
GtkWidget *sc;
PangoFontDescription *desc;
if ( p->notes != NULL ) return; /* Already open */
n = malloc(sizeof(struct notes));
if ( n == NULL ) return;
p->notes = n;
p->notes->slide = p->cur_edit_slide;
n->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(n->window), 800, 256);
sc = gtk_scrolled_window_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(n->window), sc);
n->v = gtk_text_view_new();
desc = pango_font_description_from_string("Sans 24");
gtk_widget_modify_font(n->v, desc);
pango_font_description_free(desc);
gtk_text_view_set_left_margin(GTK_TEXT_VIEW(n->v), 30);
gtk_text_view_set_right_margin(GTK_TEXT_VIEW(n->v), 30);
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(n->v), GTK_WRAP_WORD_CHAR);
gtk_container_add(GTK_CONTAINER(sc), n->v);
g_signal_connect(G_OBJECT(n->v), "destroy",
G_CALLBACK(close_notes_sig), p);
set_notes_title(p);
gtk_widget_show_all(n->window);
update_notes(p);
}
void attach_notes(struct slide *s)
{
SCBlock *bl = s->scblocks;
while ( bl != NULL ) {
const char *name = sc_block_name(bl);
if ( (name != NULL) && (strcmp(name, "notes") == 0) ) {
s->notes = bl;
if ( sc_block_child(bl) == NULL ) {
sc_block_append_inside(s->notes, NULL, NULL,
strdup(""));
}
return;
}
bl = sc_block_next(bl);
}
s->notes = sc_block_append_end(s->scblocks, "notes", NULL, NULL);
sc_block_append_inside(s->notes, NULL, NULL, strdup(""));
}
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