Initial GtkSlideView

1 files changed, 244 insertions, 0 deletions

diff --git a/src/slide_window.c b/src/slide_window.c
new file mode 100644
index 0000000..b6c60da
--- /dev/null
+++ b/src/slide_window.c
@@ -0,0 +1,244 @@
+/*
+ * slide_window.c
+ *
+ * Copyright © 2013-2018 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 <gtk/gtk.h>
+#include <assert.h>
+#include <gdk/gdkkeysyms.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <math.h>
+
+#include <presentation.h>
+#include <slide.h>
+#include <gtkslideview.h>
+
+#include "colloquium.h"
+#include "slide_window.h"
+
+
+struct _slidewindow
+{
+	GtkWidget           *window;
+	Presentation        *p;
+	Slide               *slide;
+	GtkWidget           *sv;
+};
+
+
+static void insert_slidetitle_sig(GSimpleAction *action, GVariant *parameter,
+                                  gpointer vp)
+{
+	SlideWindow *sw = vp;
+	char **text = malloc(sizeof(char *));
+	*text = strdup("Slide title");
+	slide_add_slidetitle(sw->slide, text, 1);
+}
+
+
+static void paste_sig(GSimpleAction *action, GVariant *parameter,
+                      gpointer vp)
+{
+	//SlideWindow *sw = vp;
+	//sc_editor_paste(sw->sceditor);
+}
+
+
+static void copy_frame_sig(GSimpleAction *action, GVariant *parameter,
+                             gpointer vp)
+{
+	//SlideWindow *sw = vp;
+	//sc_editor_copy_selected_frame(sw->sceditor);
+}
+
+
+static void delete_frame_sig(GSimpleAction *action, GVariant *parameter,
+                             gpointer vp)
+{
+	//SlideWindow *sw = vp;
+	//sc_editor_delete_selected_frame(sw->sceditor);
+}
+
+
+/* Change the editor's slide to "np" */
+static void change_edit_slide(SlideWindow *sw, Slide *np)
+{
+	gtk_slide_view_set_slide(sw->sv, np);
+	sw->slide = np;
+}
+
+
+static void change_slide_first(SlideWindow *sw)
+{
+	Slide *s = presentation_get_slide_by_number(sw->p, 0);
+	if ( s != NULL ) change_edit_slide(sw, s);
+}
+
+
+static void change_slide_backwards(SlideWindow *sw)
+{
+	int slide_n = presentation_get_slide_number(sw->p, sw->slide);
+	if ( slide_n > 0 ) {
+		Slide *s = presentation_get_slide_by_number(sw->p, slide_n-1);
+		change_edit_slide(sw, s);
+	}
+}
+
+
+static void change_slide_forwards(SlideWindow *sw)
+{
+	int slide_n = presentation_get_slide_number(sw->p, sw->slide);
+	Slide *s = presentation_get_slide_by_number(sw->p, slide_n+1);
+	if ( s != NULL ) change_edit_slide(sw, s);
+}
+
+
+static void change_slide_last(SlideWindow *sw)
+{
+	int slide_n = presentation_get_num_slides(sw->p);
+	Slide *s = presentation_get_slide_by_number(sw->p, slide_n);
+	if ( s != NULL ) change_edit_slide(sw, s);
+}
+
+
+static void first_slide_sig(GSimpleAction *action, GVariant *parameter,
+                           gpointer vp)
+{
+	SlideWindow *sw = vp;
+	change_slide_first(sw);
+}
+
+
+static void prev_slide_sig(GSimpleAction *action, GVariant *parameter,
+                           gpointer vp)
+{
+	SlideWindow *sw = vp;
+	change_slide_backwards(sw);
+}
+
+
+static void next_slide_sig(GSimpleAction *action, GVariant *parameter,
+                           gpointer vp)
+{
+	SlideWindow *sw = vp;
+	change_slide_forwards(sw);
+}
+
+
+static void last_slide_sig(GSimpleAction *action, GVariant *parameter,
+                           gpointer vp)
+{
+	SlideWindow *sw = vp;
+	change_slide_last(sw);
+}
+
+
+static gboolean sw_close_sig(GtkWidget *w, SlideWindow *sw)
+{
+	//narrative_window_sw_closed(sw->p->narrative_window, sw);
+	return FALSE;
+}
+
+
+static gboolean sw_key_press_sig(GtkWidget *da, GdkEventKey *event,
+                                 SlideWindow *sw)
+{
+	switch ( event->keyval ) {
+
+		case GDK_KEY_Page_Up :
+		change_slide_backwards(sw);
+		break;
+
+		case GDK_KEY_Page_Down :
+		change_slide_forwards(sw);
+		break;
+
+	}
+
+	return FALSE;
+}
+
+
+static void about_sig(GSimpleAction *action, GVariant *parameter, gpointer vp)
+{
+	SlideWindow *sw = vp;
+	open_about_dialog(sw->window);
+}
+
+
+GActionEntry sw_entries[] = {
+
+	{ "about", about_sig, NULL, NULL, NULL },
+	{ "paste", paste_sig, NULL, NULL, NULL },
+	{ "copyframe", copy_frame_sig, NULL, NULL, NULL },
+	{ "deleteframe", delete_frame_sig, NULL, NULL, NULL },
+	{ "first", first_slide_sig, NULL, NULL, NULL },
+	{ "prev", prev_slide_sig, NULL, NULL, NULL },
+	{ "next", next_slide_sig, NULL, NULL, NULL },
+	{ "last", last_slide_sig, NULL, NULL, NULL },
+	{ "slidetitle", insert_slidetitle_sig, NULL, NULL, NULL },
+};
+
+
+extern SlideWindow *slide_window_open(Presentation *p, Slide *slide,
+                                      GApplication *papp)
+{
+	GtkWidget *window;
+	SlideWindow *sw;
+	double w, h;
+	Colloquium *app = COLLOQUIUM(papp);
+
+	sw = calloc(1, sizeof(SlideWindow));
+	if ( sw == NULL ) return NULL;
+
+	window = gtk_application_window_new(GTK_APPLICATION(app));
+	gtk_window_set_role(GTK_WINDOW(window), "slide");
+	sw->window = window;
+	sw->p = p;
+
+	g_action_map_add_action_entries(G_ACTION_MAP(window), sw_entries,
+	                                G_N_ELEMENTS(sw_entries), sw);
+
+	g_signal_connect(G_OBJECT(window), "destroy",
+	                 G_CALLBACK(sw_close_sig), sw);
+
+	sw->sv = gtk_slide_view_new(p, slide);
+
+	g_signal_connect(G_OBJECT(sw->sv), "key-press-event",
+			 G_CALLBACK(sw_key_press_sig), sw);
+
+	slide_get_logical_size(slide, presentation_get_stylesheet(p), &w, &h);
+	gtk_window_set_default_size(GTK_WINDOW(window), w, h);
+
+	gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(sw->sv));
+
+	gtk_window_set_resizable(GTK_WINDOW(sw->window), TRUE);
+
+	gtk_widget_show_all(window);
+
+	return sw;
+}