moving trunk for module inkscape

(bzr r1)

1 files changed, 137 insertions, 0 deletions

diff --git a/src/widgets/spinbutton-events.cpp b/src/widgets/spinbutton-events.cpp
new file mode 100644
index 000000000..14ac51422
--- /dev/null
+++ b/src/widgets/spinbutton-events.cpp
@@ -0,0 +1,137 @@
+/*
+ * Common callbacks for spinbuttons
+ *
+ * Authors:
+ *   bulia byak <bulia@users.sourceforge.net>
+ *
+ * Copyright (C) 2003 authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "../event-context.h"
+
+#include "sp-widget.h"
+#include "widget-sizes.h"
+
+
+gboolean
+spinbutton_focus_in (GtkWidget *w, GdkEventKey *event, gpointer data)
+{
+	gdouble *ini;
+
+	ini = (gdouble *) gtk_object_get_data (GTK_OBJECT (w), "ini");
+	if (ini) g_free (ini); // free the old value if any
+
+	// retrieve the value
+	ini = g_new (gdouble, 1);
+	*ini = gtk_spin_button_get_value (GTK_SPIN_BUTTON(w));
+
+	// remember it
+	gtk_object_set_data (GTK_OBJECT (w), "ini", ini);
+
+	return FALSE; // I didn't consume the event
+}
+
+void
+spinbutton_undo (GtkWidget *w)
+{
+	gdouble *ini = (gdouble *) gtk_object_get_data (GTK_OBJECT (w), "ini");
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), *ini);
+}
+
+void
+spinbutton_defocus (GtkObject *container)
+{
+	// defocus spinbuttons by moving focus to the canvas, unless "stay" is on
+	gboolean stay = GPOINTER_TO_INT(gtk_object_get_data (GTK_OBJECT (container), "stay"));
+	if (stay) {
+		gtk_object_set_data (GTK_OBJECT (container), "stay", GINT_TO_POINTER (FALSE));
+	} else {
+		GtkWidget *canvas = (GtkWidget *) gtk_object_get_data (GTK_OBJECT (container), "dtw");
+		if (canvas) {
+			gtk_widget_grab_focus (GTK_WIDGET(canvas));
+		}
+	}
+}
+
+gboolean
+spinbutton_keypress (GtkWidget *w, GdkEventKey *event, gpointer data)
+{
+	SPWidget *spw = (SPWidget *) data;
+	gdouble v;
+
+	switch (get_group0_keyval (event)) {
+	case GDK_Escape: // defocus
+		spinbutton_undo (w);
+		spinbutton_defocus (GTK_OBJECT (spw));
+		return TRUE; // I consumed the event
+		break;
+	case GDK_Return: // defocus
+	case GDK_KP_Enter:
+		spinbutton_defocus (GTK_OBJECT (spw));
+		return TRUE; // I consumed the event
+		break;
+	case GDK_Tab:
+	case GDK_ISO_Left_Tab:
+		// set the flag meaning "do not leave toolbar when changing value"
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		return FALSE; // I didn't consume the event
+		break;
+
+	// The following keys are processed manually because GTK implements them in strange ways
+	// (increments start with double step value and seem to grow as you press the key continuously)
+
+	case GDK_Up:
+	case GDK_KP_Up:
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
+		v += SPIN_STEP;
+		gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
+		return TRUE; // I consumed the event
+		break;
+	case GDK_Down:
+	case GDK_KP_Down:
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
+		v -= SPIN_STEP;
+		gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
+		return TRUE; // I consumed the event
+		break;
+	case GDK_Page_Up:
+	case GDK_KP_Page_Up:
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
+		v += SPIN_PAGE_STEP;
+		gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
+		return TRUE; // I consumed the event
+		break;
+	case GDK_Page_Down:
+	case GDK_KP_Page_Down:
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		v = gtk_spin_button_get_value(GTK_SPIN_BUTTON (w));
+		v -= SPIN_PAGE_STEP;
+		gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), v);
+		return TRUE; // I consumed the event
+		break;
+	case GDK_z:
+	case GDK_Z:
+		gtk_object_set_data (GTK_OBJECT (spw), "stay", GINT_TO_POINTER(TRUE));
+		if (event->state & GDK_CONTROL_MASK) {
+			spinbutton_undo (w);
+			return TRUE; // I consumed the event
+		}
+		break;
+	default:
+		return FALSE;
+		break;
+	}
+	return FALSE; // I didn't consume the event
+}