along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: fastmeter.h 570 2006-06-07 21:21:21Z sampo $
*/
#ifndef __gtkmm2ext_pixfader_h__
#define __gtkmm2ext_pixfader_h__
#include <cmath>
+#include <stdint.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/adjustment.h>
-#include <gdkmm/pixbuf.h>
+#include <gdkmm.h>
namespace Gtkmm2ext {
-class PixFader : public Gtk::DrawingArea {
+class PixFader : public Gtk::DrawingArea
+{
public:
- PixFader (Glib::RefPtr<Gdk::Pixbuf> belt_image, Gtk::Adjustment& adjustment);
+ PixFader (Gtk::Adjustment& adjustment, int orientation, int span, int girth);
virtual ~PixFader ();
-
+
+ void set_default_value (float);
+ void set_text (const std::string&);
+
protected:
+ Glib::RefPtr<Pango::Layout> _layout;
+ std::string _text;
+ int _text_width;
+ int _text_height;
+ double text_r;
+ double text_g;
+ double text_b;
+
Gtk::Adjustment& adjustment;
void on_size_request (GtkRequisition*);
+ void on_size_allocate (Gtk::Allocation& alloc);
bool on_expose_event (GdkEventExpose*);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
bool on_motion_notify_event (GdkEventMotion*);
bool on_scroll_event (GdkEventScroll* ev);
-
- private:
- Glib::RefPtr<Gdk::Pixbuf> pixbuf;
- gint pixheight;
-
- GdkRectangle view;
+ bool on_enter_notify_event (GdkEventCrossing* ev);
+ bool on_leave_notify_event (GdkEventCrossing* ev);
+ void on_state_changed (Gtk::StateType);
+ void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
+
+ enum Orientation {
+ VERT,
+ HORIZ,
+ };
+
+ private:
+ int span, girth;
+ int _orien;
+ cairo_pattern_t* pattern;
+
+ struct FaderImage {
+ cairo_pattern_t* pattern;
+ double fr;
+ double fg;
+ double fb;
+ double br;
+ double bg;
+ double bb;
+ int width;
+ int height;
+
+ FaderImage (cairo_pattern_t* p,
+ double afr, double afg, double afb,
+ double abr, double abg, double abb,
+ int w, int h)
+ : pattern (p)
+ , fr (afr)
+ , fg (afg)
+ , fb (afb)
+ , br (abr)
+ , bg (abg)
+ , bb (abb)
+ , width (w)
+ , height (h)
+ {}
+
+ bool matches (double afr, double afg, double afb,
+ double abr, double abg, double abb,
+ int w, int h) {
+ return width == w &&
+ height == h &&
+ afr == fr &&
+ afg == fg &&
+ afb == fb &&
+ abr == br &&
+ abg == bg &&
+ abb == bb;
+ }
+ };
+
+ static std::list<FaderImage*> _patterns;
+ static cairo_pattern_t* find_pattern (double afr, double afg, double afb,
+ double abr, double abg, double abb,
+ int w, int h);
+
+ bool _hovering;
GdkWindow* grab_window;
- double grab_y;
+ double grab_loc;
double grab_start;
int last_drawn;
bool dragging;
float default_value;
- int unity_y;
+ int unity_loc;
void adjustment_changed ();
-
- int display_height ();
+ int display_span ();
+ void set_adjustment_from_event (GdkEventButton *);
+ void update_unity_position ();
+ void create_patterns();
};