Allow the tilt axis to be redefined

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@165 bf6ca9ba-c028-0410-8290-897cf20841d1

1 files changed, 60 insertions, 0 deletions

diff --git a/src/displaywindow.c b/src/displaywindow.c
index e9aaa7d..5a5f25a 100644
--- a/src/displaywindow.c
+++ b/src/displaywindow.c
@@ -33,6 +33,7 @@
 #include "dirax.h"
 #include "reproject.h"
 #include "cache.h"
+#include "mapping.h"
 
 static void displaywindow_gl_set_ortho(DisplayWindow *dw, GLfloat w, GLfloat h) {
 
@@ -907,6 +908,64 @@ static gint displaywindow_savecache(GtkWidget *widget, DisplayWindow *dw) {
 
 }
 
+static gint displaywindow_setaxis_response(GtkWidget *widget, gint response, DisplayWindow *dw) {
+
+	if ( response == GTK_RESPONSE_OK ) {
+		
+		const char *offset;
+		float off;
+		
+		offset = gtk_entry_get_text(GTK_ENTRY(dw->tiltaxis_entry));
+		sscanf(offset, "%f", &off);
+		
+		mapping_adjust_axis(dw->ctx, off);
+		
+	}
+	
+	gtk_widget_destroy(widget);
+
+	return 0;
+
+}
+
+static gint displaywindow_setaxis(GtkWidget *widget, DisplayWindow *dw) {
+
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+	GtkWidget *table;
+	GtkWidget *label;
+	
+	dw->tiltaxis_window = gtk_dialog_new_with_buttons("Set Tilt Axis Position", GTK_WINDOW(dw->window),
+		GTK_DIALOG_DESTROY_WITH_PARENT,	GTK_STOCK_CANCEL, GTK_RESPONSE_CLOSE, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
+	
+	vbox = gtk_vbox_new(FALSE, 0);
+	hbox = gtk_hbox_new(TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dw->tiltaxis_window)->vbox), GTK_WIDGET(hbox), FALSE, FALSE, 7);
+	gtk_box_pack_start(GTK_BOX(hbox), GTK_WIDGET(vbox), FALSE, FALSE, 5);
+	
+	table = gtk_table_new(1, 3, FALSE);
+	gtk_table_set_row_spacings(GTK_TABLE(table), 5);
+	gtk_table_set_col_spacings(GTK_TABLE(table), 5);
+	gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(table), FALSE, FALSE, 0);
+	
+	label = gtk_label_new("Tilt Axis Offset:");
+	gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
+	gtk_table_attach_defaults(GTK_TABLE(table), GTK_WIDGET(label), 1, 2, 1, 2);
+	label = gtk_label_new("degrees");
+	gtk_table_attach_defaults(GTK_TABLE(table), GTK_WIDGET(label), 3, 4, 1, 2);
+	
+	dw->tiltaxis_entry = gtk_entry_new();
+	gtk_table_attach_defaults(GTK_TABLE(table), GTK_WIDGET(dw->tiltaxis_entry), 2, 3, 1, 2);
+	gtk_entry_set_alignment(GTK_ENTRY(dw->tiltaxis_entry), 1);
+	
+	g_signal_connect(G_OBJECT(dw->tiltaxis_window), "response", G_CALLBACK(displaywindow_setaxis_response), dw);
+	
+	gtk_widget_show_all(dw->tiltaxis_window);
+	gtk_widget_grab_focus(GTK_WIDGET(dw->tiltaxis_entry));
+	
+	return 0;
+
+}
 static void displaywindow_addmenubar(DisplayWindow *dw) {
 
 	GtkActionEntry entries[] = {
@@ -921,6 +980,7 @@ static void displaywindow_addmenubar(DisplayWindow *dw) {
 		{ "StopDirAxAction", GTK_STOCK_CLOSE, "Stop DirAx", NULL, NULL, G_CALLBACK(displaywindow_dirax_stop) },
 		{ "ReprojectAction", NULL, "_Reproject Diffraction Patterns", NULL, NULL, G_CALLBACK(displaywindow_reproject) },
 		{ "SaveCacheAction", NULL, "Save Reflections to _Cache", NULL, NULL, G_CALLBACK(displaywindow_savecache) },
+		{ "SetAxisAction", NULL, "Set Tilt Axis Position", NULL, NULL, G_CALLBACK(displaywindow_setaxis) },
 		
 		{ "HelpAction", NULL, "_Help", NULL, NULL, NULL },
 		{ "AboutAction", GTK_STOCK_ABOUT, "_About DTR...", NULL, NULL, G_CALLBACK(displaywindow_about) },