Deamon management

shared/keys.h

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+// gKeyMapper - canonical key names shared by GUI and daemon.
+//
+// Canonical names are the lowercase GDK keysym names the GUI already writes
+// (e.g. "f4", "escape", "page_up", "ctrl"). The daemon maps the same names to
+// Linux input codes, so both halves of the project agree on the spelling.
+#ifndef GKEYMAPPER_KEYS_H
+#define GKEYMAPPER_KEYS_H
+
+#include <string>
+
+namespace gkeymapper {
+
+// Modifier bits used by the shortcut grammar ("ctrl+c", "altgr+7").
+enum ModifierBit : unsigned {
+    kModNone = 0,
+    kModCtrl = 1u << 0,
+    kModAlt = 1u << 1,
+    kModShift = 1u << 2,
+    kModSuper = 1u << 3,
+    kModAltGr = 1u << 4,
+};
+
+struct KeyDef {
+    const char* name; // canonical, lowercase; may also be a modifier name
+    int linux_code;   // KEY_* from <linux/input-event-codes.h>
+};
+
+// All supported keys (regular keys and modifiers), no particular order.
+const KeyDef* key_definitions();
+int key_definition_count();
+
+// Linux KEY_* code for a canonical name, or -1 if unknown.
+int linux_key_code(const std::string& name);
+
+// Modifier bit for "ctrl"/"alt"/"shift"/"super" ("meta" counts as super),
+// 0 for everything else.
+unsigned modifier_bit(const std::string& name);
+
+} // namespace gkeymapper
+
+#endif // GKEYMAPPER_KEYS_H