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-rw-r--r--src-old/slide_window.c282
1 files changed, 282 insertions, 0 deletions
diff --git a/src-old/slide_window.c b/src-old/slide_window.c
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+/*
+ * 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 "colloquium.h"
+#include "presentation.h"
+#include "slide_window.h"
+#include "render.h"
+#include "frame.h"
+#include "slideshow.h"
+#include "pr_clock.h"
+#include "sc_parse.h"
+#include "sc_interp.h"
+#include "sc_editor.h"
+#include "utils.h"
+
+
+struct _slidewindow
+{
+ struct presentation *p;
+ GtkWidget *window;
+ GtkToolItem *bfirst;
+ GtkToolItem *bprev;
+ GtkToolItem *bnext;
+ GtkToolItem *blast;
+
+ /* The slide being displayed. Note that the SCEditor is using the
+ * child of this block, but we need to keep a record of it for changing
+ * the slide. */
+ SCBlock *scblocks;
+
+ SCEditor *sceditor;
+};
+
+
+static void insert_slidetitle_sig(GSimpleAction *action, GVariant *parameter,
+ gpointer vp)
+{
+ SlideWindow *sw = vp;
+ sc_editor_add_storycode(sw->sceditor, "\\slidetitle{Slide title}");
+}
+
+
+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);
+}
+
+
+void slide_window_update(SlideWindow *sw)
+{
+ sc_editor_set_scblock(sw->sceditor, sw->scblocks);
+}
+
+
+/* Change the editor's slide to "np" */
+static void change_edit_slide(SlideWindow *sw, SCBlock *np)
+{
+ sc_editor_set_slidenum(sw->sceditor, slide_number(sw->p, np));
+ sc_editor_set_scblock(sw->sceditor, np);
+ sw->scblocks = np;
+}
+
+
+static void change_slide_first(SlideWindow *sw)
+{
+ change_edit_slide(sw, first_slide(sw->p));
+}
+
+
+static void change_slide_backwards(SlideWindow *sw)
+{
+ SCBlock *tt;
+ tt = prev_slide(sw->p, sw->scblocks);
+ if ( tt == NULL ) return;
+ change_edit_slide(sw, tt);
+}
+
+
+static void change_slide_forwards(SlideWindow *sw)
+{
+ SCBlock *tt;
+ tt = next_slide(sw->p, sw->scblocks);
+ if ( tt == NULL ) return;
+ change_edit_slide(sw, tt);
+}
+
+
+static void change_slide_last(SlideWindow *sw)
+{
+ change_edit_slide(sw, last_slide(sw->p));
+}
+
+
+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 },
+};
+
+
+SlideWindow *slide_window_open(struct presentation *p, SCBlock *scblocks,
+ GApplication *papp)
+{
+ GtkWidget *window;
+ SlideWindow *sw;
+ 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->scblocks = scblocks;
+ sw->sceditor = sc_editor_new(scblocks, p->stylesheet, p->lang,
+ colloquium_get_imagestore(app));
+ sc_editor_set_slidenum(sw->sceditor, slide_number(sw->p, scblocks));
+ sc_editor_set_scale(sw->sceditor, 1);
+ sc_editor_set_imagestore(sw->sceditor, p->is);
+
+// scroll = gtk_scrolled_window_new(NULL, NULL);
+// gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
+// GTK_POLICY_AUTOMATIC,
+// GTK_POLICY_AUTOMATIC);
+// gtk_container_add(GTK_CONTAINER(scroll), GTK_WIDGET(sw->sceditor));
+// gtk_window_set_focus(GTK_WINDOW(window), GTK_WIDGET(sw->sceditor));
+ g_signal_connect(G_OBJECT(sw->sceditor), "key-press-event",
+ G_CALLBACK(sw_key_press_sig), sw);
+
+ sc_editor_set_logical_size(sw->sceditor,
+ p->slide_width, p->slide_height);
+
+ gtk_window_set_default_size(GTK_WINDOW(window),
+ p->slide_width, p->slide_height);
+
+ gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(sw->sceditor));
+
+ /* Default size */
+// gtk_scrolled_window_set_min_content_width(GTK_SCROLLED_WINDOW(scroll),
+// 1024);
+// gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(scroll),
+// 768);
+ gtk_window_set_resizable(GTK_WINDOW(sw->window), TRUE);
+
+ gtk_widget_show_all(window);
+// gtk_scrolled_window_set_min_content_width(GTK_SCROLLED_WINDOW(scroll),
+// 100);
+// gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(scroll),
+// 100);
+
+ return sw;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-27 11:48:30 +0000