#include <map>
#include <stdint.h>
+
+#include <boost/shared_ptr.hpp>
+
#include <cairomm/cairomm.h>
-#include <gtkmm.h>
+#include <gtkmm/misc.h>
class CairoCell
{
public:
- CairoCell();
- virtual ~CairoCell() {}
+ CairoCell(int32_t id);
+ virtual ~CairoCell() {}
+
+ int32_t id() const { return _id; }
- virtual void render (Cairo::RefPtr<Cairo::Context>&) = 0;
+ virtual void render (Cairo::RefPtr<Cairo::Context>&) = 0;
- double x() const { return bbox.x; }
- double y() const { return bbox.y; }
- double width() const { return bbox.width; }
- double height() const { return bbox.height; }
+ double x() const { return bbox.x; }
+ double y() const { return bbox.y; }
+ double width() const { return bbox.width; }
+ double height() const { return bbox.height; }
- void set_position (double x, double y) {
- bbox.x = x;
- bbox.y = y;
- }
+ void set_position (double x, double y) {
+ bbox.x = x;
+ bbox.y = y;
+ }
- bool intersects (GdkRectangle& r) const {
- return gdk_rectangle_intersect (&r, &bbox, 0);
- }
+ bool intersects (GdkRectangle& r) const {
+ return gdk_rectangle_intersect (&r, &bbox, 0);
+ }
- bool covers (double x, double y) const {
- return bbox.x <= x && bbox.x + bbox.width > x &&
- bbox.y <= y && bbox.y + bbox.height > y;
- }
+ bool covers (double x, double y) const {
+ return bbox.x <= x && bbox.x + bbox.width > x &&
+ bbox.y <= y && bbox.y + bbox.height > y;
+ }
- double xpad() const { return _xpad; }
- void set_xpad (double x) { _xpad = x; }
+ double xpad() const { return _xpad; }
+ void set_xpad (double x) { _xpad = x; }
- void set_visible (bool yn) { _visible = yn; }
- bool visible() const { return _visible; }
- virtual void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&) {}
+ void set_visible (bool yn) { _visible = yn; }
+ bool visible() const { return _visible; }
+ virtual void set_size (Cairo::RefPtr<Cairo::Context>&) {}
protected:
- GdkRectangle bbox;
- bool _visible;
- uint32_t _xpad;
+ int32_t _id;
+ GdkRectangle bbox;
+ bool _visible;
+ uint32_t _xpad;
};
-class CairoBarCell : public CairoCell
-{
+class CairoFontDescription {
public:
- CairoBarCell() {};
-
- void render (Cairo::RefPtr<Cairo::Context>& context) {
- context->move_to (bbox.x, bbox.y);
- context->set_line_width (bbox.width);
- context->rel_line_to (0, bbox.height);
- context->stroke ();
- }
-
- void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font) {
- Pango::FontMetrics metrics = context->get_metrics (font);
- bbox.width = 2;
- bbox.height = (metrics.get_ascent() + metrics.get_descent()) / PANGO_SCALE;
- }
+ CairoFontDescription (const std::string& f,
+ Cairo::FontSlant s,
+ Cairo::FontWeight w,
+ double sz)
+ : face (f)
+ , _slant (s)
+ , _weight (w)
+ , _size (sz)
+ {}
+ CairoFontDescription (Pango::FontDescription&);
+
+ void apply (Cairo::RefPtr<Cairo::Context> context) {
+ context->select_font_face (face, _slant, _weight);
+ context->set_font_size (_size);
+ }
+
+ void set_size (double sz) { _size = sz; }
+ double size() const { return _size; }
+
+ Cairo::FontSlant slant() const { return _slant; }
+ void set_slant (Cairo::FontSlant sl) { _slant = sl; }
+
+ Cairo::FontWeight weight() const { return _weight; }
+ void set_weight (Cairo::FontWeight w) { _weight = w; }
private:
-};
-
-class CairoColonCell : public CairoCell
-{
- public:
- CairoColonCell() {};
-
- void render (Cairo::RefPtr<Cairo::Context>& context);
- void set_size (Glib::RefPtr<Pango::Context>& context, const Pango::FontDescription& font);
+ std::string face;
+ Cairo::FontSlant _slant;
+ Cairo::FontWeight _weight;
+ double _size;
};
class CairoTextCell : public CairoCell
{
public:
- CairoTextCell (double width_chars);
- void set_size (Glib::RefPtr<Pango::Context>&, const Pango::FontDescription&);
+ CairoTextCell (int32_t id, double width_chars, boost::shared_ptr<CairoFontDescription> font = boost::shared_ptr<CairoFontDescription>());
+ ~CairoTextCell() {}
+
+ virtual void set_size (Cairo::RefPtr<Cairo::Context>&);
- void set_text (const std::string& txt);
+ boost::shared_ptr<CairoFontDescription> font() const { return _font; }
- std::string get_text() const {
- return layout->get_text ();
- }
- double width_chars() const { return _width_chars; }
- void render (Cairo::RefPtr<Cairo::Context>&);
+ std::string get_text() const {
+ return _text;
+ }
+
+ double width_chars() const { return _width_chars; }
+ void render (Cairo::RefPtr<Cairo::Context>&);
+
+ protected:
+ friend class CairoEditableText;
+ void set_width_chars (double wc) { _width_chars = wc; }
+ void set_text (const std::string& txt);
+ void set_font (boost::shared_ptr<CairoFontDescription> font) {
+ _font = font;
+ }
protected:
- double _width_chars;
- Glib::RefPtr<Pango::Layout> layout;
+ double _width_chars;
+ std::string _text;
+ boost::shared_ptr<CairoFontDescription> _font;
+ double y_offset;
+ double x_offset;
};
-class CairoEditableText : public Gtk::Misc
+class CairoCharCell : public CairoTextCell
{
public:
- CairoEditableText ();
- ~CairoEditableText ();
-
- void add_cell (uint32_t id, CairoCell*);
- CairoCell* get_cell (uint32_t id);
-
- void start_editing (uint32_t id);
- void stop_editing ();
-
- void set_text (uint32_t id, const std::string& text);
- void set_text (CairoTextCell* cell, const std::string&);
-
- void set_colors (double cr, double cg, double cb, double ca) {
- r = cr;
- g = cg;
- b = cb;
- a = ca;
- queue_draw ();
- }
-
- void set_edit_colors (double cr, double cg, double cb, double ca) {
- edit_r = cr;
- edit_g = cg;
- edit_b = cb;
- edit_a = ca;
- queue_draw ();
- }
-
- void set_bg (double r, double g, double b, double a) {
- bg_r = r;
- bg_g = g;
- bg_b = b;
- bg_a = a;
- }
-
- void set_font (const std::string& str);
- void set_font (const Pango::FontDescription&);
-
- sigc::signal<bool,GdkEventScroll*,uint32_t> scroll;
- sigc::signal<bool,GdkEventButton*,uint32_t> button_press;
- sigc::signal<bool,GdkEventButton*,uint32_t> button_release;
+ CairoCharCell(int32_t id, char c);
- protected:
- bool on_expose_event (GdkEventExpose*);
- bool on_button_press_event (GdkEventButton*);
- bool on_button_release_event (GdkEventButton*);
- void on_size_request (GtkRequisition*);
- void on_size_allocate (Gtk::Allocation&);
- bool on_focus_in_event (GdkEventFocus*);
- bool on_focus_out_event (GdkEventFocus*);
- bool on_scroll_event (GdkEventScroll*);
+ void set_size (Cairo::RefPtr<Cairo::Context>& context);
+};
- private:
- typedef std::map<uint32_t,CairoCell*> CellMap;
-
- CellMap cells;
- Pango::FontDescription font;
- uint32_t editing_id;
- double width;
- double max_cell_height;
- double height;
- double corner_radius;
- double xpad;
- double ypad;
- double r;
- double g;
- double b;
- double a;
- double edit_r;
- double edit_g;
- double edit_b;
- double edit_a;
- double bg_r;
- double bg_g;
- double bg_b;
- double bg_a;
-
- CairoCell* find_cell (uint32_t x, uint32_t y, uint32_t& cell_id);
- void queue_draw_cell (CairoCell* target);
+class CairoEditableText : public Gtk::Misc
+{
+public:
+ CairoEditableText (boost::shared_ptr<CairoFontDescription> font = boost::shared_ptr<CairoFontDescription>());
+ ~CairoEditableText ();
+
+ void add_cell (CairoCell*);
+ void clear_cells ();
+
+ void start_editing (CairoCell*);
+ void stop_editing ();
+
+ void set_text (CairoTextCell* cell, const std::string&);
+ void set_width_chars (CairoTextCell* cell, uint32_t);
+
+ void set_draw_background (bool yn) { _draw_bg = yn; }
+
+ void set_colors (double cr, double cg, double cb, double ca) {
+ r = cr;
+ g = cg;
+ b = cb;
+ a = ca;
+ queue_draw ();
+ }
+
+ void set_edit_colors (double cr, double cg, double cb, double ca) {
+ edit_r = cr;
+ edit_g = cg;
+ edit_b = cb;
+ edit_a = ca;
+ queue_draw ();
+ }
+
+ void set_bg (double r, double g, double b, double a) {
+ bg_r = r;
+ bg_g = g;
+ bg_b = b;
+ bg_a = a;
+ queue_draw ();
+ }
+
+ double xpad() const { return _xpad; }
+ void set_xpad (double x) { _xpad = x; queue_resize(); }
+ double ypad() const { return _ypad; }
+ void set_ypad (double y) { _ypad = y; queue_resize(); }
+
+ double corner_radius() const { return _corner_radius; }
+ void set_corner_radius (double r) { _corner_radius = r; queue_draw (); }
+
+ boost::shared_ptr<CairoFontDescription> font() const { return _font; }
+ void set_font (boost::shared_ptr<CairoFontDescription> font);
+ void set_font (Pango::FontDescription& font);
+
+ sigc::signal<bool,GdkEventScroll*,CairoCell*> scroll;
+ sigc::signal<bool,GdkEventButton*,CairoCell*> button_press;
+ sigc::signal<bool,GdkEventButton*,CairoCell*> button_release;
+
+protected:
+ bool on_expose_event (GdkEventExpose*);
+ bool on_button_press_event (GdkEventButton*);
+ bool on_button_release_event (GdkEventButton*);
+ void on_size_request (GtkRequisition*);
+ bool on_focus_in_event (GdkEventFocus*);
+ bool on_focus_out_event (GdkEventFocus*);
+ bool on_scroll_event (GdkEventScroll*);
+ void on_size_allocate (Gtk::Allocation&);
+
+private:
+ typedef std::vector<CairoCell*> CellMap;
+
+ CellMap cells;
+ boost::shared_ptr<CairoFontDescription> _font;
+ CairoCell* editing_cell;
+ bool _draw_bg;
+ double max_cell_width;
+ double max_cell_height;
+ double _corner_radius;
+ double _xpad;
+ double _ypad;
+ double r;
+ double g;
+ double b;
+ double a;
+ double edit_r;
+ double edit_g;
+ double edit_b;
+ double edit_a;
+ double bg_r;
+ double bg_g;
+ double bg_b;
+ double bg_a;
+
+ CairoCell* find_cell (uint32_t x, uint32_t y);
+ void queue_draw_cell (CairoCell* target);
+ void position_cells_and_get_bbox (GdkRectangle&);
+ void set_cell_sizes ();
};
#endif /* __libgtmm2ext_cairocell_h__ */
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