GRAPHICS: MACGUI: Initial code for MacEditableText

1 files changed, 141 insertions, 0 deletions

diff --git a/graphics/macgui/maceditabletext.h b/graphics/macgui/maceditabletext.h
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+++ b/graphics/macgui/maceditabletext.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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef GRAPHICS_MACGUI_MACEDITABLETEXT_H
+#define GRAPHICS_MACGUI_MACEDITABLETEXT_H
+
+#include "graphics/macgui/mactext.h"
+#include "graphics/macgui/macwidget.h"
+
+namespace Graphics {
+
+class MacText;
+class MacWidget;
+class MacWindow;
+
+struct SelectedText {
+	int startX, startY;
+	int endX, endY;
+	int startRow, startCol;
+	int endRow, endCol;
+
+	SelectedText() {
+		startX = startY = -1;
+		endX = endY = -1;
+		startRow = startCol = -1;
+		endRow = endCol = -1;
+	}
+
+	bool needsRender() {
+		return startX != endX || startY != endY;
+	}
+};
+
+class MacEditableText : public MacText, public MacWidget {
+public:
+	MacEditableText(Common::U32String s, MacWindow *parent, const MacFont *font, int fgcolor, int bgcolor,
+			int maxWidth = -1, TextAlign textAlignment = kTextAlignLeft, int interlinear = 0);
+	MacEditableText(const Common::String &s, MacWindow *parent, const MacFont *font, int fgcolor, int bgcolor,
+			int maxWidth = -1, TextAlign textAlignment = kTextAlignLeft, int interlinear = 0);
+			// 0 pixels between the lines by default
+	virtual ~MacEditableText();
+
+	virtual void resize(int w, int h);
+
+	virtual bool processEvent(Common::Event &event);
+
+	virtual bool draw(ManagedSurface *g, bool forceRedraw = false);
+
+	void setTextWindowFont(const MacFont *macFont);
+	const MacFont *getTextWindowFont();
+
+	void appendText(Common::U32String str, const MacFont *macFont, bool skipAdd = false);
+	void appendText(const Common::String &str, const MacFont *macFont, bool skipAdd = false);
+	void clearText();
+
+	void setEditable(bool editable) { _editable = editable; }
+	void setSelectable(bool selectable) { _selectable = selectable; }
+
+	void undrawCursor();
+
+	const Common::U32String getInput() { return _inputText; }
+	void clearInput();
+	void appendInput(Common::U32String str);
+	void appendInput(const Common::String &str);
+
+	Common::U32String getSelection(bool formatted = false, bool newlines = true);
+	void clearSelection();
+	Common::U32String cutSelection();
+	const SelectedText *getSelectedText() { return &_selectedText; }
+
+private:
+	void init();
+	bool isCutAllowed();
+
+	void scroll(int delta);
+
+	void undrawInput();
+	void drawInput();
+	void drawSelection();
+	void updateCursorPos();
+
+	void startMarking(int x, int y);
+	void updateTextSelection(int x, int y);
+
+	void drawScrollbar();
+	void setScroll(float scrollPos, float scrollSize);
+
+public:
+	int _cursorX, _cursorY;
+	bool _cursorState;
+
+	bool _cursorDirty;
+	Common::Rect *_cursorRect;
+	bool _cursorOff;
+	bool _editable;
+	bool _selectable;
+
+	int _scrollPos;
+
+private:
+	const MacFont *_font;
+	const Font *_fontRef;
+
+	ManagedSurface *_cursorSurface;
+	ManagedSurface _composeSurface;
+
+	bool _inTextSelection;
+	SelectedText _selectedText;
+
+	int _maxWidth;
+	Common::U32String _inputText;
+	uint _inputTextHeight;
+	bool _inputIsDirty;
+
+	bool _scrollbarIsDirty;
+
+	MacMenu *_menu;
+};
+
+} // End of namespace Graphics
+
+#endif