1 files changed, 280 insertions, 0 deletions
diff --git a/src/crystfel_gui.c b/src/crystfel_gui.c
new file mode 100644
index 00000000..fbb8d0e2
--- /dev/null
+++ b/src/crystfel_gui.c
@@ -0,0 +1,280 @@
+/*
+ * crystfel_gui.c
+ *
+ * CrystFEL's main graphical user interface
+ *
+ * Copyright © 2020 Deutsches Elektronen-Synchrotron DESY,
+ *                  a research centre of the Helmholtz Association.
+ *
+ * Authors:
+ *   2020 Thomas White <taw@physics.org>
+ *
+ * This file is part of CrystFEL.
+ *
+ * CrystFEL 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.
+ *
+ * CrystFEL 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 CrystFEL.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <getopt.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms-compat.h>
+#include <assert.h>
+
+#include "crystfelimageview.h"
+
+
+static void show_help(const char *s)
+{
+	printf("Syntax: %s\n\n", s);
+	printf(
+"CrystFEL graphical user interface.\n"
+"\n"
+" -h, --help              Display this help message.\n"
+"     --version           Print CrystFEL version number and exit.\n"
+
+);
+}
+
+
+struct crystfelproject {
+
+	GtkWidget *window;
+	GtkUIManager *ui;
+	GtkActionGroup *action_group;
+
+	GtkWidget *imageview;
+	GtkWidget *icons;      /* Drawing area for task icons */
+	GtkWidget *report;     /* Text view at the bottom for messages */
+
+};
+
+
+static void error_box(struct crystfelproject *proj, const char *message)
+{
+	GtkWidget *window;
+
+	window = gtk_message_dialog_new(GTK_WINDOW(proj->window),
+					GTK_DIALOG_DESTROY_WITH_PARENT,
+					GTK_MESSAGE_WARNING,
+					GTK_BUTTONS_CLOSE, "%s", message);
+	gtk_window_set_title(GTK_WINDOW(window), "Error");
+
+	g_signal_connect_swapped(window, "response",
+				 G_CALLBACK(gtk_widget_destroy), window);
+	gtk_widget_show(window);
+}
+
+
+static gboolean destroy_sig(GtkWidget *da, struct crystfelproject *proj)
+{
+	gtk_main_quit();
+	return FALSE;
+}
+
+
+static void add_ui_sig(GtkUIManager *ui, GtkWidget *widget,
+                       GtkContainer *container)
+{
+	gtk_box_pack_start(GTK_BOX(container), widget, FALSE, FALSE, 0);
+	if ( GTK_IS_TOOLBAR(widget) ) {
+		gtk_toolbar_set_show_arrow(GTK_TOOLBAR(widget), TRUE);
+	}
+}
+
+
+static gint quit_sig(GtkWidget *widget, struct crystfelproject *proj)
+{
+	gtk_main_quit();
+	return FALSE;
+}
+
+
+static gint about_sig(GtkWidget *widget, struct crystfelproject *proj)
+{
+	GtkWidget *window;
+
+	const gchar *authors[] = {
+		"Thomas White <taw@physics.org>",
+		NULL
+	};
+
+	window = gtk_about_dialog_new();
+	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(proj->window));
+
+	gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG(window),
+	        "CrystFEL graphical user interface");
+	gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(window), CRYSTFEL_VERSIONSTRING);
+	gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(window),
+		"© 2020 Deutsches Elektronen-Synchrotron DESY, "
+		"a research centre of the Helmholtz Association.");
+	gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(window),
+		"https://www.desy.de/~twhite/crystfel");
+	gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(window), authors);
+
+	g_signal_connect(window, "response", G_CALLBACK(gtk_widget_destroy),
+			 NULL);
+
+	gtk_widget_show_all(window);
+
+	return 0;
+}
+
+
+static void add_menu_bar(struct crystfelproject *proj, GtkWidget *vbox)
+{
+	GError *error = NULL;
+
+	const char *ui = "<ui> <menubar name=\"cellwindow\">"
+		"<menu name=\"file\" action=\"FileAction\">"
+		"	<menuitem name=\"quit\" action=\"QuitAction\" />"
+		"</menu>"
+		"<menu name=\"tools\" action=\"ToolsAction\" >"
+		"</menu>"
+		"<menu name=\"help\" action=\"HelpAction\">"
+		"	<menuitem name=\"about\" action=\"AboutAction\" />"
+		"</menu>"
+		"</menubar></ui>";
+
+	GtkActionEntry entries[] = {
+
+		{ "FileAction", NULL, "_File", NULL, NULL, NULL },
+		{ "QuitAction", GTK_STOCK_QUIT, "_Quit", NULL, NULL,
+			G_CALLBACK(quit_sig) },
+
+		{ "ToolsAction", NULL, "_Tools", NULL, NULL, NULL },
+
+		{ "HelpAction", NULL, "_Help", NULL, NULL, NULL },
+		{ "AboutAction", GTK_STOCK_ABOUT, "_About", NULL, NULL,
+			G_CALLBACK(about_sig) },
+
+	};
+	guint n_entries = G_N_ELEMENTS(entries);
+
+	proj->action_group = gtk_action_group_new("cellwindow");
+	gtk_action_group_add_actions(proj->action_group, entries, n_entries, proj);
+
+	proj->ui = gtk_ui_manager_new();
+	gtk_ui_manager_insert_action_group(proj->ui, proj->action_group, 0);
+	g_signal_connect(proj->ui, "add_widget", G_CALLBACK(add_ui_sig), vbox);
+	if ( gtk_ui_manager_add_ui_from_string(proj->ui, ui, -1, &error) == 0 )
+	{
+		fprintf(stderr, "Error loading message window menu bar: %s\n",
+			error->message);
+		return;
+	}
+
+	gtk_window_add_accel_group(GTK_WINDOW(proj->window),
+				   gtk_ui_manager_get_accel_group(proj->ui));
+	gtk_ui_manager_ensure_update(proj->ui);
+}
+
+
+int main(int argc, char *argv[])
+{
+	int c;
+	struct crystfelproject proj;
+	GtkWidget *vbox;
+	GtkWidget *vpaned;
+	GtkWidget *hpaned;
+	GtkWidget *scroll;
+	GtkWidget *frame;
+
+	/* Long options */
+	const struct option longopts[] = {
+		{"help",               0, NULL,               'h'},
+		{"version",            0, NULL,                1 },
+		{0, 0, NULL, 0}
+	};
+
+	/* Short options */
+	while ((c = getopt_long(argc, argv, "h",
+	                        longopts, NULL)) != -1) {
+
+		switch (c) {
+
+			case 'h' :
+			show_help(argv[0]);
+			return 0;
+
+			case 1 :
+			printf("CrystFEL: " CRYSTFEL_VERSIONSTRING "\n");
+			printf(CRYSTFEL_BOILERPLATE"\n");
+			return 0;
+
+			default :
+			return 1;
+
+		}
+
+	}
+
+	/* This isn't great, but necessary to make the command-line UI and file
+	 * formats consistent with the other programs, which all use the C
+	 * locale.  Better would be to have all the programs call
+	 * setlocale(LC_ALL, "") and use the C locale temporarily when reading
+	 * or writing a stream, reflection file, geometry file etc. */
+	gtk_disable_setlocale();
+
+	gtk_init(&argc, &argv);
+
+	proj.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	gtk_window_set_title(GTK_WINDOW(proj.window), "CrystFEL");
+	g_signal_connect(G_OBJECT(proj.window), "destroy", G_CALLBACK(destroy_sig),
+	                 &proj);
+
+	vbox = gtk_vbox_new(FALSE, 0.0);
+	gtk_container_add(GTK_CONTAINER(proj.window), vbox);
+	add_menu_bar(&proj, vbox);
+
+	vpaned = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
+	gtk_box_pack_end(GTK_BOX(vbox), vpaned, TRUE, TRUE, 0.0);
+
+	hpaned = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
+	gtk_paned_pack1(GTK_PANED(vpaned), hpaned, TRUE, TRUE);
+
+	proj.imageview = crystfel_image_view_new();
+	frame = gtk_frame_new(NULL);
+	gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
+	scroll = gtk_scrolled_window_new(NULL, NULL);
+	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
+	                               GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS);
+	gtk_container_add(GTK_CONTAINER(scroll), GTK_WIDGET(proj.imageview));
+	gtk_container_add(GTK_CONTAINER(frame), GTK_WIDGET(scroll));
+	gtk_paned_pack2(GTK_PANED(hpaned), GTK_WIDGET(frame), TRUE, TRUE);
+
+	proj.icons = gtk_drawing_area_new();
+	frame = gtk_frame_new(NULL);
+	gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
+	gtk_container_add(GTK_CONTAINER(frame), GTK_WIDGET(proj.icons));
+	gtk_paned_pack1(GTK_PANED(hpaned), GTK_WIDGET(frame), FALSE, FALSE);
+
+	proj.report = gtk_text_view_new();
+	frame = gtk_frame_new(NULL);
+	gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
+	gtk_container_add(GTK_CONTAINER(frame), GTK_WIDGET(proj.report));
+	gtk_paned_pack2(GTK_PANED(vpaned), GTK_WIDGET(frame), FALSE, FALSE);
+
+	gtk_widget_show_all(proj.window);
+	gtk_main();
+
+	return 0;
+}