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/* Copyright (C) 2004 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _MGCELLRENDERERBLOB_H_
#define _MGCELLRENDERERBLOB_H_
#include <gdkmm.h>
#include <gtkmm/cellrenderertext.h>
#include <gtkmm/window.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/box.h>
#include <gtkmm/textview.h>
#include <gtkmm/eventbox.h>
#define __STDC_FORMAT_MACROS 1
#include <inttypes.h>
// I don't like this, but until I find a better alternative, it'll stay like this
inline void str2data(const std::string &str, gpointer *data, gsize *size)
{
sscanf(str.c_str(), "%p %" __PRIPTR_PREFIX "u", data, size);
}
inline std::string data2str(gpointer data, gsize size)
{
char buffer[128];
sprintf(buffer, "%p %" __PRIPTR_PREFIX "u", data, size);
return buffer;
}
class CellRendererBlob;
class MGBlobDelegate
{
public:
virtual void blob_edit(CellRendererBlob *cell, Gtk::Widget *widget, const Glib::ustring &path, int column)= 0;
virtual void blob_save(CellRendererBlob *cell, Gtk::Widget *widget, const Glib::ustring &path, int column)= 0;
virtual void blob_load(CellRendererBlob *cell, Gtk::Widget *widget, const Glib::ustring &path, int column)= 0;
virtual void blob_clear(CellRendererBlob *cell, Gtk::Widget *widget, const Glib::ustring &path, int column)= 0;
virtual void blob_view(CellRendererBlob *cell, Gtk::Widget *widget, const Glib::ustring &path, int column)= 0;
};
class MGBlobEditor;
class CellRendererBlob : public Gtk::CellRenderer
{
private:
typedef CellRendererBlob Self;
// property_field doesn't really contain the data. it's a hack containing
// a string with the pointer and size of the data
mutable Glib::Property<std::string> _property_field;
Glib::Property<bool> _property_editable;
Glib::Property<std::string> _property_background;
Glib::Property<int> _property_column;
MGBlobDelegate *_delegate;
guint _max_text_length;
mutable guint _max_text_width;
mutable int _text_char_width;
mutable int _text_height;
bool _binary;
Glib::RefPtr<Gdk::GC> _gc;
Glib::RefPtr<Gdk::Pixbuf> _blob_icon;
mutable Glib::RefPtr<Pango::Layout> _layout;
Glib::RefPtr<Gdk::Pixbuf> _clear_icon;
Glib::RefPtr<Gdk::Pixbuf> _edit_icon;
Glib::RefPtr<Gdk::Pixbuf> _load_icon;
Glib::RefPtr<Gdk::Pixbuf> _save_icon;
Glib::RefPtr<Gdk::Pixbuf> _view_icon;
Glib::RefPtr<Gdk::Pixbuf> _null_icon;
void clear_clicked(Gtk::Widget *parent, const Glib::ustring &path);
void save_clicked(Gtk::Widget *parent, const Glib::ustring &path);
void load_clicked(Gtk::Widget *parent, const Glib::ustring &path);
public:
void edit_clicked(Gtk::Widget *parent, const Glib::ustring &path);
void view_clicked(Gtk::Widget *parent, const Glib::ustring &path);
protected:
virtual void get_size_vfunc(Gtk::Widget& widget,
const Gdk::Rectangle* cell_area,
int* x_offset, int* y_offset,
int* width, int* height) const;
//virtual void render_vfunc(const Glib::RefPtr<Gdk::Window>& window, Gtk::Widget& widget,
// const Gdk::Rectangle& background_area, const Gdk::Rectangle& cell_area,
// const Gdk::Rectangle& expose_area, Gtk::CellRendererState flags);
virtual void render_vfunc(const Glib::RefPtr<Gdk::Drawable>& window, Gtk::Widget& widget,
const Gdk::Rectangle& background_area, const Gdk::Rectangle& cell_area,
const Gdk::Rectangle& expose_area, Gtk::CellRendererState flags);
virtual bool activate_vfunc(GdkEvent* event,
Gtk::Widget& widget,
const Glib::ustring& path,
const Gdk::Rectangle& background_area,
const Gdk::Rectangle& cell_area,
Gtk::CellRendererState flags);
// virtual void on_show_popup(const Glib::ustring& path, int x1, int y1, int x2, int y2);
// virtual void on_hide_popup();
//
public:
CellRendererBlob(bool binary);
virtual ~CellRendererBlob();
void set_max_text_width(guint width);
Glib::PropertyProxy<std::string> property_field() const; // should be built with data2str()
Glib::PropertyProxy<bool> property_editable();
Glib::PropertyProxy<std::string> property_background();
Glib::PropertyProxy<int> property_column();
void edit(const Glib::ustring &path);
void view(const Glib::ustring &path);
bool get_edited_data(gpointer &data, guint &size);
void set_blob_icon(const Glib::RefPtr<Gdk::Pixbuf> &icon);
void set_overlay_icons(const Glib::RefPtr<Gdk::Pixbuf> &clear_icon,
const Glib::RefPtr<Gdk::Pixbuf> &edit_icon,
const Glib::RefPtr<Gdk::Pixbuf> &load_icon,
const Glib::RefPtr<Gdk::Pixbuf> &save_icon,
const Glib::RefPtr<Gdk::Pixbuf> &view_icon,
const Glib::RefPtr<Gdk::Pixbuf> &null_icon);
void set_delegate(MGBlobDelegate *delegate) { _delegate= delegate; };
bool is_binary() { return _binary; };
};
#endif /* _MGCELLRENDERERBLOB_H_ */
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