synfig-studio/trunk/src/gtkmm/cellrenderer_value.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file cellrenderer_value.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <gtkmm/label.h>
  33 #include <ETL/stringf>
  34 #include <gtkmm/celleditable.h>
  35 #include <gtkmm/editable.h>
  36 #include <gtkmm/entry.h>
  37 #include <gtkmm/eventbox.h>
  38 #include <gtk/gtkentry.h> /* see XXX below */
  39
  40 #include "app.h"
  41 #include "widget_value.h"
  42 #include "widget_vector.h"
  43 #include "widget_filename.h"
  44 #include "widget_enum.h"
  45 #include "widget_color.h"
  46 #include "widget_canvaschooser.h"
  47 #include "widget_time.h"
  48
  49 #include "cellrenderer_gradient.h"
  50 #include "cellrenderer_value.h"
  51
  52 #include "widget_gradient.h"
  53 #include "dialog_gradient.h"
  54 #include "dialog_color.h"
  55 #include <gtkmm/textview.h>
  56
  57 #include "general.h"
  58
  59 #endif
  60
  61 using namespace synfig;
  62 using namespace etl;
  63 using namespace std;
  64 using namespace studio;
  65
  66 /* === M A C R O S ========================================================= */
  67
  68 #define DIGITS          15
  69
  70 /* === G L O B A L S ======================================================= */
  71
  72 class studio::ValueBase_Entry : public Gtk::EventBox, public Gtk::CellEditable
  73 {
  74         Glib::ustring path;
  75         Widget_ValueBase *valuewidget;
  76         bool edit_done_called;
  77         Gtk::Widget *parent;
  78 public:
  79         ValueBase_Entry():
  80                 Glib::ObjectBase  (typeid(ValueBase_Entry)),
  81                 Gtk::EventBox     (),
  82                 Gtk::CellEditable ()
  83         {
  84                 parent=0;
  85                 edit_done_called=false;
  86 /*
  87                   Gtk::HBox *const hbox = new Gtk::HBox(false, 0);
  88                   add(*Gtk::manage(hbox));
  89
  90                   Gtk::Entry *entry_ = new Gtk::Entry();
  91                         entry_->set_text("bleh");
  92                   hbox->pack_start(*Gtk::manage(entry_), Gtk::PACK_EXPAND_WIDGET);
  93                   entry_->set_has_frame(false);
  94                   entry_->gobj()->is_cell_renderer = true; // XXX
  95
  96 */
  97                 valuewidget=manage(new class Widget_ValueBase());
  98                 valuewidget->inside_cellrenderer();
  99                 add(*valuewidget);
 100                 valuewidget->show();
 101
 102                 //set_flags(Gtk::CAN_FOCUS);
 103                 //set_events(Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
 104
 105                 /*
 106                 set_events(//(Gdk::ALL_EVENTS_MASK)
 107                 ~(      Gdk::EXPOSURE_MASK
 108                         | Gdk::ENTER_NOTIFY_MASK
 109                         | Gdk::LEAVE_NOTIFY_MASK
 110                         | Gdk::FOCUS_CHANGE_MASK
 111                         | Gdk::STRUCTURE_MASK
 112                         | Gdk::PROPERTY_CHANGE_MASK
 113                         | Gdk::VISIBILITY_NOTIFY_MASK
 114                         | Gdk::PROXIMITY_IN_MASK
 115                         | Gdk::PROXIMITY_OUT_MASK
 116                         | Gdk::SUBSTRUCTURE_MASK
 117                 )
 118                 );
 119                 */
 120                 //signal_editing_done().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::hide));
 121                 //signal_remove_widget().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::hide));
 122
 123                 show_all_children();
 124
 125                 //signal_show().connect(sigc::mem_fun(*this, &ValueBase_Entry::grab_focus));
 126         }
 127         ~ValueBase_Entry()
 128         {
 129         }
 130
 131         void on_editing_done()
 132         {
 133                 hide();
 134                 if(parent)parent->grab_focus();
 135                 if(!edit_done_called)
 136                 {
 137                         edit_done_called=true;
 138                         Gtk::CellEditable::on_editing_done();
 139                 }
 140                 else
 141                 {
 142                         synfig::error("on_editing_done(): Called twice!");
 143                 }
 144         }
 145         void set_parent(Gtk::Widget*x) { parent=x; }
 146         void on_remove_widget()
 147         {
 148                 hide();
 149                 edit_done_called=true;
 150                 if(parent)parent->grab_focus();
 151                 Gtk::CellEditable::on_remove_widget();
 152         }
 153         void start_editing_vfunc(GdkEvent */*event*/)
 154         {
 155                 valuewidget->signal_activate().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::editing_done));
 156                 show();
 157                 //valuewidget->grab_focus();
 158                 //get_window()->set_focus(*valuewidget);
 159         }
 160         bool on_event(GdkEvent *event)
 161         {
 162                 if(event->any.type==GDK_BUTTON_PRESS ||
 163                         event->any.type==GDK_2BUTTON_PRESS ||
 164                         event->any.type==GDK_KEY_PRESS ||
 165                         event->any.type==GDK_KEY_RELEASE ||
 166                         event->any.type==GDK_SCROLL ||
 167                         event->any.type==GDK_3BUTTON_PRESS)
 168                         return true;
 169                 return Gtk::EventBox::on_event(event);
 170         }
 171         void on_grab_focus()
 172         {
 173                 Gtk::EventBox::on_grab_focus();
 174                 if(valuewidget)
 175                         valuewidget->grab_focus();
 176         }
 177         void set_path(const Glib::ustring &p)
 178         {
 179                 path=p;
 180         }
 181         void set_value(const synfig::ValueBase &data)
 182         {
 183                 if(valuewidget)
 184                         valuewidget->set_value(data);
 185                 //valuewidget->grab_focus();
 186         }
 187         void set_canvas(const etl::handle<synfig::Canvas> &data)
 188         {
 189                 assert(data);
 190                 if(valuewidget)
 191                         valuewidget->set_canvas(data);
 192         }
 193         void set_param_desc(const synfig::ParamDesc &data)
 194         {
 195                 if(valuewidget)
 196                         valuewidget->set_param_desc(data);
 197         }
 198
 199         const synfig::ValueBase &get_value()
 200         {
 201                 if(valuewidget)
 202                         return valuewidget->get_value();
 203
 204                 warning("%s:%d this code shouldn't be reached", __FILE__, __LINE__);
 205                 return *(new synfig::ValueBase());
 206         }
 207
 208         const Glib::ustring &get_path()
 209         {
 210                 return path;
 211         }
 212
 213 };
 214
 215 /* === P R O C E D U R E S ================================================= */
 216
 217 bool get_paragraph(synfig::String& text)
 218 {
 219         Gtk::Dialog dialog(
 220                 _("Paragraph"),         // Title
 221                 true,           // Modal
 222                 true            // use_separator
 223         );
 224         Gtk::Label label(_("Enter Paragraph Text Here:"));
 225         label.show();
 226         dialog.get_vbox()->pack_start(label);
 227
 228
 229         Glib::RefPtr<Gtk::TextBuffer> text_buffer(Gtk::TextBuffer::create());
 230         text_buffer->set_text(text);
 231
 232         Gtk::TextView text_view(text_buffer);
 233         text_view.show();
 234         dialog.get_vbox()->pack_start(text_view);
 235
 236 /*
 237         Gtk::Entry entry;
 238         entry.set_text(text);
 239         entry.show();
 240         entry.set_activates_default(true);
 241         dialog.get_vbox()->pack_start(entry);
 242 */
 243
 244         dialog.add_button(Gtk::StockID("gtk-ok"),Gtk::RESPONSE_OK);
 245         dialog.add_button(Gtk::StockID("gtk-cancel"),Gtk::RESPONSE_CANCEL);
 246         dialog.set_default_response(Gtk::RESPONSE_OK);
 247
 248         //text_entry.signal_activate().connect(sigc::bind(sigc::mem_fun(dialog,&Gtk::Dialog::response),Gtk::RESPONSE_OK));
 249
 250         dialog.show();
 251
 252         if(dialog.run()!=Gtk::RESPONSE_OK)
 253                 return false;
 254
 255         text=text_buffer->get_text();
 256
 257         return true;
 258 }
 259
 260 /* === M E T H O D S ======================================================= */
 261
 262 CellRenderer_ValueBase::CellRenderer_ValueBase():
 263         Glib::ObjectBase        (typeid(CellRenderer_ValueBase)),
 264         Gtk::CellRendererText   (),
 265         property_value_ (*this,"value",synfig::ValueBase()),
 266         property_canvas_(*this,"canvas",etl::handle<synfig::Canvas>()),
 267         property_param_desc_(*this,"param_desc",synfig::ParamDesc())
 268 {
 269         CellRendererText::signal_edited().connect(sigc::mem_fun(*this,&CellRenderer_ValueBase::string_edited_));
 270         value_entry=new ValueBase_Entry();
 271         value_entry->hide();
 272
 273         Pango::AttrList attr_list;
 274         {
 275                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 276                 pango_size.set_start_index(0);
 277                 pango_size.set_end_index(64);
 278                 attr_list.change(pango_size);
 279         }
 280         property_attributes()=attr_list;
 281
 282         property_foreground()=Glib::ustring("#7f7f7f");
 283         property_inconsistent()=false;
 284 }
 285
 286 CellRenderer_ValueBase::~CellRenderer_ValueBase()
 287 {
 288         if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
 289                 synfig::info("CellRenderer_ValueBase::~CellRenderer_ValueBase(): Deleted");
 290 }
 291
 292 void
 293 CellRenderer_ValueBase::string_edited_(const Glib::ustring&path,const Glib::ustring&str)
 294 {
 295         ValueBase old_value=property_value_.get_value();
 296         ValueBase value;
 297
 298         if(old_value.get_type()==ValueBase::TYPE_TIME)
 299         {
 300                 value=ValueBase(Time((String)str,get_canvas()->rend_desc().get_frame_rate()));
 301         }
 302         else
 303                 value=ValueBase((String)str);
 304
 305         if(old_value!=value)
 306                 signal_edited_(path,value);
 307 }
 308
 309 void
 310 CellRenderer_ValueBase::render_vfunc(
 311                 const Glib::RefPtr<Gdk::Drawable>& window,
 312                 Gtk::Widget& widget,
 313                 const Gdk::Rectangle& background_area,
 314                 const Gdk::Rectangle& ca,
 315                 const Gdk::Rectangle& expose_area,
 316                 Gtk::CellRendererState flags)
 317 {
 318         if(!window)
 319                 return;
 320 //      const unsigned int cell_xpad = property_xpad();
 321 //      const unsigned int cell_ypad = property_ypad();
 322
 323         //int x_offset = 0, y_offset = 0;
 324 //      int     width = ca.get_width();
 325         int     height = ca.get_height();
 326 //      get_size(widget, ca, x_offset, y_offset, width, height);
 327
 328 //      width  -= cell_xpad * 2;
 329 //      height -= cell_ypad * 2;
 330
 331 //      if(width <= 0 || height <= 0)
 332 //              return;
 333
 334         Gtk::StateType state = Gtk::STATE_INSENSITIVE;
 335         if(property_editable())
 336                 state = Gtk::STATE_NORMAL;
 337         if((flags & Gtk::CELL_RENDERER_SELECTED) != 0)
 338                 state = (widget.has_focus()) ? Gtk::STATE_SELECTED : Gtk::STATE_ACTIVE;
 339
 340         ValueBase data=property_value_.get_value();
 341
 342         switch(data.get_type())
 343         {
 344         case ValueBase::TYPE_REAL:
 345                 if(((synfig::ParamDesc)property_param_desc_).get_is_distance())
 346                 {
 347                         Distance x(data.get(Real()),Distance::SYSTEM_UNITS);
 348                         x.convert(App::distance_system,get_canvas()->rend_desc());
 349                         property_text()=(Glib::ustring)x.get_string(6).c_str();
 350                 }
 351                 else
 352                         property_text()=(Glib::ustring)strprintf("%.6f",data.get(Real()));
 353                 break;
 354         case ValueBase::TYPE_TIME:
 355                 property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format());
 356                 break;
 357         case ValueBase::TYPE_ANGLE:
 358                 property_text()=(Glib::ustring)strprintf("%.2f DEG",(Real)Angle::deg(data.get(Angle())).get());
 359                 break;
 360         case ValueBase::TYPE_INTEGER:
 361                 if(((synfig::ParamDesc)property_param_desc_).get_hint()!="enum")
 362                 {
 363                         property_text()=(Glib::ustring)strprintf("%i",data.get(int()));
 364                 }
 365                 else
 366                 {
 367                         property_text()=(Glib::ustring)strprintf("(%i)",data.get(int()));
 368                         std::list<synfig::ParamDesc::EnumData> enum_list=((synfig::ParamDesc)property_param_desc_).get_enum_list();
 369                         std::list<synfig::ParamDesc::EnumData>::iterator iter;
 370
 371                         for(iter=enum_list.begin();iter!=enum_list.end();iter++)
 372                                 if(iter->value==data.get(int()))
 373                                 {
 374                                         property_text()=(Glib::ustring)iter->local_name;
 375                                         break;
 376                                 }
 377                 }
 378
 379                 break;
 380         case ValueBase::TYPE_VECTOR:
 381                 {
 382                         Vector vector=data.get(Vector());
 383                         Distance x(vector[0],Distance::SYSTEM_UNITS),y(vector[1],Distance::SYSTEM_UNITS);
 384                         x.convert(App::distance_system,get_canvas()->rend_desc());
 385                         y.convert(App::distance_system,get_canvas()->rend_desc());
 386                         property_text()=static_cast<Glib::ustring>(strprintf("%s,%s",x.get_string(6).c_str(),y.get_string(6).c_str()));
 387                 }
 388                 break;
 389
 390         case ValueBase::TYPE_STRING:
 391
 392                 if(data.get_type()==ValueBase::TYPE_STRING)
 393                 {
 394                         if(!data.get(synfig::String()).empty())
 395                                 property_text()=static_cast<Glib::ustring>(data.get(synfig::String()));
 396                         else
 397                                 property_text()=Glib::ustring("<empty>");
 398                 }
 399                 break;
 400         case ValueBase::TYPE_CANVAS:
 401                 if(data.get(etl::handle<synfig::Canvas>()))
 402                 {
 403                         if(data.get(etl::handle<synfig::Canvas>())->is_inline())
 404                                 property_text()=_("<Inline Canvas>");
 405                         else
 406                                 property_text()=(Glib::ustring)data.get(etl::handle<synfig::Canvas>())->get_id();
 407                 }
 408                 else
 409                         property_text()="<No Image Selected>";
 410                 break;
 411         case ValueBase::TYPE_COLOR:
 412                 {
 413                         render_color_to_window(window,ca,data.get(Color()));
 414                         return;
 415                 }
 416                 break;
 417         case ValueBase::TYPE_BOOL:
 418                 {
 419                         widget.get_style()->paint_check(
 420                                 Glib::RefPtr<Gdk::Window>::cast_static(window), state,
 421                                 data.get(bool())?Gtk::SHADOW_IN:Gtk::SHADOW_OUT,
 422                                 ca, widget, "cellcheck",
 423                                 ca.get_x()/* + x_offset + cell_xpad*/,
 424                                 ca.get_y()/* + y_offset + cell_ypad*/,
 425                                 height-1,height-1);
 426                         return;
 427                 }
 428                 break;
 429         case ValueBase::TYPE_NIL:
 430                 //property_text()=(Glib::ustring)" ";
 431                 return;
 432                 break;
 433         case ValueBase::TYPE_SEGMENT:
 434                 property_text()=(Glib::ustring)_("Segment");
 435                 break;
 436         case ValueBase::TYPE_GRADIENT:
 437                 render_gradient_to_window(window,ca,data.get(Gradient()));
 438                 return;
 439                 break;
 440         case ValueBase::TYPE_LIST:
 441                 property_text()=(Glib::ustring)_("List");
 442                 break;
 443         case ValueBase::TYPE_BLINEPOINT:
 444                 property_text()=(Glib::ustring)_("BLine Point");
 445                 break;
 446         default:
 447                 property_text()=static_cast<Glib::ustring>(_("UNKNOWN"));
 448                 break;
 449         }
 450         CellRendererText::render_vfunc(window,widget,background_area,ca,expose_area,flags);
 451 }
 452
 453
 454 /*
 455 bool
 456 CellRenderer_ValueBase::activate_vfunc( GdkEvent* event,
 457         Gtk::Widget& widget,
 458         const Glib::ustring& path,
 459         const Gdk::Rectangle& background_area,
 460         const Gdk::Rectangle& cell_area,
 461         Gtk::CellRendererState flags)
 462 {
 463         ValueBase data=(ValueBase)property_value_.get_value();
 464
 465         switch(data.type)
 466         {
 467         case ValueBase::TYPE_BOOL:
 468                 if(property_editable())
 469                         signal_edited_(path,ValueBase(!data.get(bool())));
 470         return true;
 471         case ValueBase::TYPE_STRING:
 472                 return CellRendererText::activate_vfunc(event,widget,path,background_area,cell_area,flags);
 473         }
 474         return false;
 475 }
 476 */
 477
 478 void
 479 CellRenderer_ValueBase::gradient_edited(synfig::Gradient gradient, Glib::ustring path)
 480 {
 481         ValueBase old_value(property_value_.get_value());
 482         ValueBase value(gradient);
 483         if(old_value!=value)
 484                 signal_edited_(path,value);
 485 }
 486
 487 void
 488 CellRenderer_ValueBase::color_edited(synfig::Color color, Glib::ustring path)
 489 {
 490         ValueBase old_value(property_value_.get_value());
 491         ValueBase value(color);
 492         if(old_value!=value)
 493                 signal_edited_(path,value);
 494 }
 495
 496 Gtk::CellEditable*
 497 CellRenderer_ValueBase::start_editing_vfunc(
 498         GdkEvent* event __attribute__ ((unused)),
 499         Gtk::Widget& widget,
 500         const Glib::ustring& path,
 501         const Gdk::Rectangle& background_area __attribute__ ((unused)),
 502         const Gdk::Rectangle& cell_area __attribute__ ((unused)),
 503         Gtk::CellRendererState flags __attribute__ ((unused)))
 504 {
 505         // If we aren't editable, then there is nothing to do
 506         if(!property_editable())
 507                 return 0;
 508
 509         ValueBase data=property_value_.get_value();
 510
 511         switch(data.get_type())
 512         {
 513         case ValueBase::TYPE_BOOL:
 514                 signal_edited_(path,ValueBase(!data.get(bool())));
 515         return NULL;
 516         //case ValueBase::TYPE_TIME:
 517         //      property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format()|Time::FORMAT_FULL);
 518         //      return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 519
 520         case ValueBase::TYPE_GRADIENT:
 521                 App::dialog_gradient->reset();
 522                 App::dialog_gradient->set_gradient(data.get(Gradient()));
 523                 App::dialog_gradient->signal_edited().connect(
 524                         sigc::bind(
 525                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::gradient_edited),
 526                                 path
 527                         )
 528                 );
 529                 App::dialog_gradient->present();
 530
 531                 return NULL;
 532
 533         case ValueBase::TYPE_COLOR:
 534                 App::dialog_color->reset();
 535                 App::dialog_color->set_color(data.get(Color()));
 536                 App::dialog_color->signal_edited().connect(
 537                         sigc::bind(
 538                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::color_edited),
 539                                 path
 540                         )
 541                 );
 542                 App::dialog_color->present();
 543
 544                 return NULL;
 545         case ValueBase::TYPE_STRING:
 546                 if(get_param_desc().get_hint()=="paragraph")
 547                 {
 548                         synfig::String string;
 549                         string=data.get(string);
 550                         if(get_paragraph(string))
 551                                 signal_edited_(path,ValueBase(string));
 552                         return NULL;
 553                 }
 554                 // if(get_param_desc().get_hint()!="filename")
 555                         // return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 556         default:
 557                 {
 558                         assert(get_canvas());
 559                         //delete value_entry;
 560                         value_entry=manage(new ValueBase_Entry());
 561                         value_entry->set_path(path);
 562                         value_entry->set_canvas(get_canvas());
 563                         value_entry->set_param_desc(get_param_desc());
 564                         value_entry->set_value(data);
 565                         value_entry->set_parent(&widget);
 566                         value_entry->signal_editing_done().connect(sigc::mem_fun(*this, &CellRenderer_ValueBase::on_value_editing_done));
 567                         return value_entry;
 568                 }
 569         }
 570         return NULL;
 571 }
 572
 573 void
 574 CellRenderer_ValueBase::on_value_editing_done()
 575 {
 576         if(value_entry)
 577         {
 578                 ValueBase old_value(property_value_.get_value());
 579                 ValueBase value(value_entry->get_value());
 580
 581                 if(old_value!=value)
 582                         signal_edited_(value_entry->get_path(),value);
 583
 584                 //delete value_entry;
 585                 //value_entry=0;
 586         }
 587 }