From a4460f6d9453bbd7e584937686449cef3e19f052 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Mon, 20 Aug 2018 20:34:57 -0400
Subject: Initial commit

---
 src/gui/window_events_keyboard.cpp | 107 +++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/gui/window_events_keyboard.cpp

(limited to 'src/gui/window_events_keyboard.cpp')

diff --git a/src/gui/window_events_keyboard.cpp b/src/gui/window_events_keyboard.cpp
new file mode 100644
index 0000000..d3a5841
--- /dev/null
+++ b/src/gui/window_events_keyboard.cpp
@@ -0,0 +1,107 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2018 Leo Tenenbaum
+// This file is part of GraphColoring.
+//
+// GraphColoring 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.
+//
+// GraphColoring 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 GraphColoring.  If not, see <https://www.gnu.org/licenses/>.
+////////////////////////////////////////////////////////////////////////////////
+
+#include "window.hpp"
+
+#include "utils/errors.hpp"
+
+namespace gui {
+
+int Window::SetKeydownCallback(callback_t callback, guint key)
+{
+	is_keydown_callbacks_modified = true;
+	return AddToCallbackMap(keydown_callbacks, key, callback);
+}
+
+void Window::RemoveKeydownCallback(int id, guint key)
+{
+	if (keydown_callbacks.count(key) == 0)
+		utils::errors::Die("Invalid key passed to remove key callback.");
+	RemoveFromCallbackList(keydown_callbacks[key], id);
+	is_keydown_callbacks_modified = true;
+}
+
+void Window::ProcessKeydown(GdkEventKey* event)
+{
+	keymap[event->keyval] = true;
+	is_keydown_callbacks_modified = false;
+	for (callback_t callback
+		: CheckCallbackMap<callback_t>(keydown_callbacks, event->keyval))
+	{
+		if (!callback) continue;
+		callback(this);
+		if (is_keydown_callbacks_modified)
+			break;
+	}
+}
+
+void GtkKeydownCallback(GtkWidget*, GdkEventKey* event, gpointer data)
+{
+    Window* win = (Window*)data;
+    win->ProcessKeydown(event);
+}
+
+
+int Window::SetKeyupCallback(callback_t callback, guint key)
+{
+	is_keyup_callbacks_modified = true;
+	return AddToCallbackMap(keyup_callbacks, key, callback);
+}
+
+void Window::RemoveKeyupCallback(int id, guint key)
+{
+	if (keyup_callbacks.count(key) == 0)
+		utils::errors::Die("Invalid key passed to remove key callback.");
+	RemoveFromCallbackList(keyup_callbacks[key], id);
+	is_keyup_callbacks_modified = true;
+}
+
+void Window::ProcessKeyup(GdkEventKey* event)
+{
+	keymap[event->keyval] = false;
+	is_keyup_callbacks_modified = false;
+	for (callback_t callback : CheckCallbackMap(keyup_callbacks, event->keyval))
+	{
+		if (!callback) continue;
+		callback(this);
+		if (is_keyup_callbacks_modified)
+			break;
+	}
+}
+
+void GtkKeyupCallback(GtkWidget*, GdkEventKey* event, gpointer data)
+{
+    Window* win = (Window*)data;
+    win->ProcessKeyup(event);
+}
+
+bool Window::IsKeyDown(guint key) const
+{
+	if (keymap.count(key))
+		return keymap.at(key);
+	else
+		return false;
+}
+
+bool Window::IsControlDown() const
+{
+	return IsKeyDown(GDK_KEY_Control_L) || IsKeyDown(GDK_KEY_Control_R);
+}
+
+} // namespace gui
+
-- 
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