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backends/keymapper/remap-widget.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef REMAP_WIDGET_H
+#define REMAP_WIDGET_H
+
+#include "common/scummsys.h"
+#include "common/hash-ptr.h"
+
+#include "gui/widget.h"
+
+namespace GUI {
+class ButtonWidget;
+class DropdownButtonWidget;
+class PopUpWidget;
+class StaticTextWidget;
+}
+
+namespace Common {
+
+struct Action;
+class Keymap;
+class Keymapper;
+class InputWatcher;
+
+class RemapWidget : public GUI::OptionsContainerWidget {
+public:
+	typedef Common::Array<Keymap *> KeymapArray;
+
+	RemapWidget(GuiObject *boss, const Common::String &name, const KeymapArray &keymaps);
+	~RemapWidget() override;
+	void load() override;
+	bool save() override;
+	void handleInputChanged();
+	void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) override;
+	void handleMouseDown(int x, int y, int button, int clickCount) override;
+	void handleTickle() override;
+	void reflowLayout() override;
+
+protected:
+	struct ActionRow {
+		Keymap *keymap;
+		Common::Action *action;
+
+		GUI::StaticTextWidget *actionText;
+		GUI::DropdownButtonWidget *keyButton;
+
+		ActionRow() : keymap(nullptr), action(nullptr), actionText(nullptr), keyButton(nullptr) {}
+	};
+
+	struct KeymapTitleRow {
+		GUI::StaticTextWidget *descriptionText;
+		GUI::ButtonWidget *resetButton;
+
+		KeymapTitleRow() : descriptionText(nullptr), resetButton(nullptr) {}
+	};
+
+	void loadKeymap();
+	void refreshKeymap();
+	void reflowActionWidgets();
+	void clearMapping(uint actionIndex);
+	void resetMapping(uint actionIndex);
+	void resetKeymap(uint actionIndex);
+	void startRemapping(uint actionIndex);
+	void stopRemapping();
+
+	KeymapArray _keymapTable;
+
+	InputWatcher *_remapInputWatcher;
+	Keymap *_remapKeymap;
+	Action *_remapAction;
+	uint32 _remapTimeout;
+
+	static const uint32 kRemapMinTimeoutDelay = 3000;
+
+	bool _changes;
+
+	Array<ActionRow> _actions;
+	HashMap<Keymap *, KeymapTitleRow> _keymapSeparators;
+};
+
+} // End of namespace Common
+
+#endif // #ifndef REMAP_WIDGET_H