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engines/macventure/dialog.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/>.
+ *
+ */
+
+/*
+ * Based on
+ * WebVenture (c) 2010, Sean Kasun
+ * https://github.com/mrkite/webventure, http://seancode.com/webventure/
+ *
+ * Used with explicit permission from the author
+ */
+
+#ifndef MACVENTURE_DIALOG_H
+#define MACVENTURE_DIALOG_H
+
+#include "graphics/macgui/macwindowmanager.h"
+
+#include "macventure/macventure.h"
+#include "macventure/prebuilt_dialogs.h"
+
+namespace Graphics {
+class MacText;
+}
+
+namespace MacVenture {
+
+using namespace Graphics::MacGUIConstants;
+class Gui;
+class DialogElement;
+
+class Dialog {
+public:
+	Dialog(Gui *gui, Common::MacResManager *resourceManager, uint16 resID);
+	Dialog(Gui *gui, Common::Point pos, uint width, uint height);
+	Dialog(Gui *gui, PrebuiltDialogs prebuilt, const Common::String &title);
+
+	~Dialog();
+
+	bool processEvent(Common::Event event);
+	void draw();
+	void localize(Common::Point &point);
+	void handleDialogAction(DialogElement *trigger, DialogAction action);
+
+	Graphics::MacWindowManager *getMacWindowManager() const;
+	const Graphics::Font &getFont();
+
+	void addButton(Common::String title, DialogAction action, Common::Point position, uint width = 0, uint height = 0);
+	void addText(Common::String content, Common::Point position, int width = 0, int height = 0, Graphics::TextAlign alignment = Graphics::kTextAlignLeft);
+	void addTextInput(Common::Point position, int width, int height, Graphics::TextAlign alignment = Graphics::kTextAlignLeft);
+
+	void setUserInput(Common::String content);
+	DialogElement *getElement(Common::String elementID);
+
+private:
+	void addPrebuiltElement(const PrebuiltDialogElement &element, const Common::String &title = "");
+
+	void calculateBoundsFromPrebuilt(const PrebuiltDialogBounds &bounds);
+
+private:
+	Gui *_gui;
+
+	Common::String _userInput;
+	Common::Array<DialogElement*> _elements;
+	Common::Rect _bounds;
+};
+
+class DialogElement {
+public:
+	DialogElement(Dialog *dialog, Common::String title, DialogAction action, Common::Point position, uint width = 0, uint height = 0, Graphics::TextAlign alignment = Graphics::kTextAlignLeft);
+	virtual ~DialogElement() {}
+
+	bool processEvent(Dialog *dialog, Common::Event event);
+	void draw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target);
+	const Common::String &getText();
+
+	void setAction(DialogAction action) { _action = action; }
+
+private:
+	virtual bool doProcessEvent(Dialog *dialog, Common::Event event) = 0;
+	virtual void doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) = 0;
+	virtual const Common::String &doGetText();
+
+protected:
+	Common::String _text;
+	Graphics::MacText *_macText;
+	Common::Rect _bounds;
+	DialogAction _action;
+};
+
+// Dialog elements
+class DialogButton : public DialogElement {
+public:
+	DialogButton(Dialog *dialog, Common::String title, DialogAction action, Common::Point position, uint width = 0, uint height = 0);
+	~DialogButton() override {}
+
+private:
+	bool doProcessEvent(Dialog *dialog, Common::Event event) override;
+	void doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) override;
+};
+
+class DialogPlainText : public DialogElement {
+public:
+	DialogPlainText(Dialog *dialog, Common::String content, Common::Point position, int width, int height, Graphics::TextAlign alignment = Graphics::kTextAlignLeft);
+	~DialogPlainText() override;
+
+private:
+	bool doProcessEvent(Dialog *dialog, Common::Event event) override;
+	void doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) override;
+};
+
+class DialogTextInput : public DialogElement {
+public:
+	DialogTextInput(Dialog *dialog, Gui *gui, Common::Point position, uint width, uint height, Graphics::TextAlign alignment = Graphics::kTextAlignLeft);
+	~DialogTextInput() override;
+
+	void updateCursorPos();
+	void undrawCursor();
+
+	Common::Point _cursorPos;
+	bool _cursorState;
+	bool _cursorDirty;
+
+private:
+	bool doProcessEvent(Dialog *dialog, Common::Event event) override;
+	void doDraw(MacVenture::Dialog *dialog, Graphics::ManagedSurface &target) override;
+
+	int getCursorHeight() const;
+
+	Gui *_gui;
+
+	Common::Rect _cursorRect;
+	Graphics::ManagedSurface *_cursorSurface;
+};
+
+} // End of namespace MacVenture
+
+#endif