1 files changed, 52 insertions, 0 deletions
diff --git a/src/include/macros.h b/src/include/macros.h
new file mode 100644
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+++ b/src/include/macros.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_MACROS_H
+#define SEEN_MACROS_H
+
+/**
+ * Useful macros for inkscape
+ *
+ * Author:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *
+ * Copyright (C) 2002 Lauris Kaplinski
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+// I'm of the opinion that this file should be removed, so I will in the future take the necessary steps to wipe it out.
+// Macros are not in general bad, but these particular ones are rather ugly. --Liam
+
+#define sp_signal_disconnect_by_data(o,d) g_signal_handlers_disconnect_matched(o, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, d)
+
+// "primary" modifier: Ctrl on Linux/Windows and Cmd on macOS.
+// note: Could query this at runtime with
+// `gdk_keymap_get_modifier_mask(..., GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR)`
+#ifdef GDK_WINDOWING_QUARTZ
+#define INK_GDK_PRIMARY_MASK GDK_MOD2_MASK
+#else
+#define INK_GDK_PRIMARY_MASK GDK_CONTROL_MASK
+#endif
+
+// all modifiers used by Inkscape
+#define INK_GDK_MODIFIER_MASK (GDK_SHIFT_MASK | INK_GDK_PRIMARY_MASK | GDK_MOD1_MASK)
+
+// keyboard modifiers in an event
+#define MOD__SHIFT(event) ((event)->key.state & GDK_SHIFT_MASK)
+#define MOD__CTRL(event) ((event)->key.state & INK_GDK_PRIMARY_MASK)
+#define MOD__ALT(event) ((event)->key.state & GDK_MOD1_MASK)
+#define MOD__SHIFT_ONLY(event) (((event)->key.state & INK_GDK_MODIFIER_MASK) == GDK_SHIFT_MASK)
+#define MOD__CTRL_ONLY(event) (((event)->key.state & INK_GDK_MODIFIER_MASK) == INK_GDK_PRIMARY_MASK)
+#define MOD__ALT_ONLY(event) (((event)->key.state & INK_GDK_MODIFIER_MASK) == GDK_MOD1_MASK)
+
+#endif  // SEEN_MACROS_H
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8 :