text edit improvments (not finished)

src/framework/graphics/textarea.h

@@ -0,0 +1,76 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef TEXTAREA_H
+#define TEXTAREA_H
+
+#include "prerequisites.h"
+#include "font.h"
+
+class TextArea
+{
+public:
+    TextArea();
+    TextArea(Font *font,
+             const std::string& text,
+             const Rect& screenCoords,
+             int align = ALIGN_TOP_LEFT,
+             const Color& color = Color::white);
+
+    void draw();
+
+    void setFont(Font *font);
+    void setText(const std::string& text);
+    void setScreenCoords(Rect screenCoords);
+    void setAlign(int align);
+    void setColor(const Color& color) { m_color = color; }
+    void setStartInternalPos(Point startPos);
+    void enableCursor(bool enable = true);
+    void setCursorVisible(bool visible = true) { m_cursorVisible = visible; }
+
+    void moveCursor(bool right);
+    void appendCharacter(char c);
+    void removeCharacter(bool right);
+
+    const std::string& getText() const { return m_text; }
+
+private:
+    void recalculate();
+
+    Font *m_font;
+    std::string m_text;
+    Rect m_screenCoords;
+    Rect m_drawArea;
+    int m_align;
+    Color m_color;
+    Point m_startInternalPos;
+    int m_cursorPos;
+    int m_cursorTicks;
+    bool m_cursorVisible;
+
+    std::vector<Rect> m_glyphsCoords;
+    std::vector<Rect> m_glyphsTexCoords;
+};
+
+#endif // TEXTAREA_H