* management.
*
* Note that the methods return *this for convenience.
+ *
+ * Caution: All char_type and docstring arguments of the text drawing
+ * methods of this class are no UCS4 chars or strings if the font is a
+ * symbol font. They simply denote the code points of the font instead.
+ * You have to keep this in mind when you implement the methods in a
+ * frontend. You must not pass these parameters to a unicode conversion
+ * function in particular.
*/
class Painter {
public:
/// draw a filled rectangle with the shape of a 3D button
virtual void button(int x, int y,
- int w, int h);
+ int w, int h, bool mouseHover);
/// draw an image from the image cache
virtual void image(int x, int y,
void setDrawingEnabled(bool drawing_enabled = true)
{ drawing_enabled_ = drawing_enabled; }
- /**
- * Draw a string at position x, y (y is the baseline)
- * This is just for fast drawing
- * \return the width of the drawn text.
- */
- virtual int text(int x, int y,
- char_type const * str, size_t l, LyXFont const & f) = 0;
-
/// draw a char at position x, y (y is the baseline)
/**
* \return the width of the drawn text.
* the given color. If frame is specified, a thin frame is drawn
* around the text with the given color.
*/
- virtual void rectText(int x, int baseline,
+ void rectText(int x, int baseline,
docstring const & str,
LyXFont const & font,
LColor_color back,
LColor_color frame);
/// draw a string and enclose it inside a button frame
- virtual void buttonText(int x,
- int baseline, docstring const & s, LyXFont const & font);
+ void buttonText(int x, int baseline, docstring const & s,
+ LyXFont const & font, bool mouseHover);
protected:
/// check the font, and if set, draw an underline
- virtual void underline(LyXFont const & f,
+ void underline(LyXFont const & f,
int x, int y, int width);
/// draw a bevelled button border
- virtual void buttonFrame(int x, int y, int w, int h);
+ void buttonFrame(int x, int y, int w, int h);
/// Indicate wether real screen drawing shall be done or not.
bool isDrawingEnabled() const { return drawing_enabled_; }