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 **      Copyright (c) 2007 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include <gtkmm/label.h>
  34 #include <ETL/stringf>
  35 #include <gtkmm/celleditable.h>
  36 #include <gtkmm/editable.h>
  37 #include <gtkmm/entry.h>
  38 #include <gtkmm/eventbox.h>
  39 #include <gtk/gtkentry.h> /* see XXX below */
  40
  41 #include "app.h"
  42 #include "widget_value.h"
  43 #include "widget_vector.h"
  44 #include "widget_filename.h"
  45 #include "widget_enum.h"
  46 #include "widget_color.h"
  47 #include "widget_canvaschooser.h"
  48 #include "widget_time.h"
  49
  50 #include "cellrenderer_gradient.h"
  51 #include "cellrenderer_value.h"
  52
  53 #include "widget_gradient.h"
  54 #include "dialog_gradient.h"
  55 #include "dialog_color.h"
  56 #include <gtkmm/textview.h>
  57
  58 #include "general.h"
  59
  60 #endif
  61
  62 using namespace synfig;
  63 using namespace etl;
  64 using namespace std;
  65 using namespace studio;
  66
  67 /* === M A C R O S ========================================================= */
  68
  69 #define DIGITS          15
  70
  71 /* === G L O B A L S ======================================================= */
  72
  73 class studio::ValueBase_Entry : public Gtk::EventBox, public Gtk::CellEditable
  74 {
  75         Glib::ustring path;
  76         Widget_ValueBase *valuewidget;
  77         bool edit_done_called;
  78         Gtk::Widget *parent;
  79 public:
  80         ValueBase_Entry():
  81                 Glib::ObjectBase  (typeid(ValueBase_Entry)),
  82                 Gtk::EventBox     (),
  83                 Gtk::CellEditable ()
  84         {
  85                 parent=0;
  86                 edit_done_called=false;
  87 /*
  88                   Gtk::HBox *const hbox = new Gtk::HBox(false, 0);
  89                   add(*Gtk::manage(hbox));
  90
  91                   Gtk::Entry *entry_ = new Gtk::Entry();
  92                         entry_->set_text("bleh");
  93                   hbox->pack_start(*Gtk::manage(entry_), Gtk::PACK_EXPAND_WIDGET);
  94                   entry_->set_has_frame(false);
  95                   entry_->gobj()->is_cell_renderer = true; // XXX
  96
  97 */
  98                 valuewidget=manage(new class Widget_ValueBase());
  99                 valuewidget->inside_cellrenderer();
 100                 add(*valuewidget);
 101                 valuewidget->show();
 102
 103                 //set_flags(Gtk::CAN_FOCUS);
 104                 //set_events(Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
 105
 106                 /*
 107                 set_events(//(Gdk::ALL_EVENTS_MASK)
 108                 ~(      Gdk::EXPOSURE_MASK
 109                         | Gdk::ENTER_NOTIFY_MASK
 110                         | Gdk::LEAVE_NOTIFY_MASK
 111                         | Gdk::FOCUS_CHANGE_MASK
 112                         | Gdk::STRUCTURE_MASK
 113                         | Gdk::PROPERTY_CHANGE_MASK
 114                         | Gdk::VISIBILITY_NOTIFY_MASK
 115                         | Gdk::PROXIMITY_IN_MASK
 116                         | Gdk::PROXIMITY_OUT_MASK
 117                         | Gdk::SUBSTRUCTURE_MASK
 118                 )
 119                 );
 120                 */
 121                 //signal_editing_done().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::hide));
 122                 //signal_remove_widget().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::hide));
 123
 124                 show_all_children();
 125
 126                 //signal_show().connect(sigc::mem_fun(*this, &ValueBase_Entry::grab_focus));
 127         }
 128         ~ValueBase_Entry()
 129         {
 130         }
 131
 132         void on_editing_done()
 133         {
 134                 hide();
 135                 if(parent)parent->grab_focus();
 136                 if(!edit_done_called)
 137                 {
 138                         edit_done_called=true;
 139                         Gtk::CellEditable::on_editing_done();
 140                 }
 141                 else
 142                 {
 143                         synfig::error("on_editing_done(): Called twice!");
 144                 }
 145         }
 146         void set_parent(Gtk::Widget*x) { parent=x; }
 147         void on_remove_widget()
 148         {
 149                 hide();
 150                 edit_done_called=true;
 151                 if(parent)parent->grab_focus();
 152                 Gtk::CellEditable::on_remove_widget();
 153         }
 154         void start_editing_vfunc(GdkEvent */*event*/)
 155         {
 156                 valuewidget->signal_activate().connect(sigc::mem_fun(*this, &studio::ValueBase_Entry::editing_done));
 157                 show();
 158                 //valuewidget->grab_focus();
 159                 //get_window()->set_focus(*valuewidget);
 160         }
 161         bool on_event(GdkEvent *event)
 162         {
 163                 if(event->any.type==GDK_BUTTON_PRESS ||
 164                         event->any.type==GDK_2BUTTON_PRESS ||
 165                         event->any.type==GDK_KEY_PRESS ||
 166                         event->any.type==GDK_KEY_RELEASE ||
 167                         event->any.type==GDK_SCROLL ||
 168                         event->any.type==GDK_3BUTTON_PRESS)
 169                         return true;
 170                 return Gtk::EventBox::on_event(event);
 171         }
 172         void on_grab_focus()
 173         {
 174                 Gtk::EventBox::on_grab_focus();
 175                 if(valuewidget)
 176                         valuewidget->grab_focus();
 177         }
 178         void set_path(const Glib::ustring &p)
 179         {
 180                 path=p;
 181         }
 182         void set_value(const synfig::ValueBase &data)
 183         {
 184                 if(valuewidget)
 185                         valuewidget->set_value(data);
 186                 //valuewidget->grab_focus();
 187         }
 188         void set_canvas(const etl::handle<synfig::Canvas> &data)
 189         {
 190                 assert(data);
 191                 if(valuewidget)
 192                         valuewidget->set_canvas(data);
 193         }
 194         void set_param_desc(const synfig::ParamDesc &data)
 195         {
 196                 if(valuewidget)
 197                         valuewidget->set_param_desc(data);
 198         }
 199
 200         const synfig::ValueBase &get_value()
 201         {
 202                 if(valuewidget)
 203                         return valuewidget->get_value();
 204
 205                 warning("%s:%d this code shouldn't be reached", __FILE__, __LINE__);
 206                 return *(new synfig::ValueBase());
 207         }
 208
 209         const Glib::ustring &get_path()
 210         {
 211                 return path;
 212         }
 213
 214 };
 215
 216 /* === P R O C E D U R E S ================================================= */
 217
 218 bool get_paragraph(synfig::String& text)
 219 {
 220         Gtk::Dialog dialog(
 221                 _("Paragraph"),         // Title
 222                 true,           // Modal
 223                 true            // use_separator
 224         );
 225         Gtk::Label label(_("Enter Paragraph Text Here:"));
 226         label.show();
 227         dialog.get_vbox()->pack_start(label);
 228
 229
 230         Glib::RefPtr<Gtk::TextBuffer> text_buffer(Gtk::TextBuffer::create());
 231         text_buffer->set_text(text);
 232
 233         Gtk::TextView text_view(text_buffer);
 234         text_view.show();
 235         dialog.get_vbox()->pack_start(text_view);
 236
 237 /*
 238         Gtk::Entry entry;
 239         entry.set_text(text);
 240         entry.show();
 241         entry.set_activates_default(true);
 242         dialog.get_vbox()->pack_start(entry);
 243 */
 244
 245         dialog.add_button(Gtk::StockID("gtk-ok"),Gtk::RESPONSE_OK);
 246         dialog.add_button(Gtk::StockID("gtk-cancel"),Gtk::RESPONSE_CANCEL);
 247         dialog.set_default_response(Gtk::RESPONSE_OK);
 248
 249         //text_entry.signal_activate().connect(sigc::bind(sigc::mem_fun(dialog,&Gtk::Dialog::response),Gtk::RESPONSE_OK));
 250
 251         dialog.show();
 252
 253         if(dialog.run()!=Gtk::RESPONSE_OK)
 254                 return false;
 255
 256         text=text_buffer->get_text();
 257
 258         return true;
 259 }
 260
 261 /* === M E T H O D S ======================================================= */
 262
 263 CellRenderer_ValueBase::CellRenderer_ValueBase():
 264         Glib::ObjectBase        (typeid(CellRenderer_ValueBase)),
 265         Gtk::CellRendererText   (),
 266         property_value_ (*this,"value",synfig::ValueBase()),
 267         property_canvas_(*this,"canvas",etl::handle<synfig::Canvas>()),
 268         property_param_desc_(*this,"param_desc",synfig::ParamDesc())
 269 {
 270         CellRendererText::signal_edited().connect(sigc::mem_fun(*this,&CellRenderer_ValueBase::string_edited_));
 271         value_entry=new ValueBase_Entry();
 272         value_entry->hide();
 273
 274         Pango::AttrList attr_list;
 275         {
 276                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 277                 pango_size.set_start_index(0);
 278                 pango_size.set_end_index(64);
 279                 attr_list.change(pango_size);
 280         }
 281         property_attributes()=attr_list;
 282
 283         property_foreground()=Glib::ustring("#7f7f7f");
 284         property_inconsistent()=false;
 285 }
 286
 287 CellRenderer_ValueBase::~CellRenderer_ValueBase()
 288 {
 289         if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
 290                 synfig::info("CellRenderer_ValueBase::~CellRenderer_ValueBase(): Deleted");
 291 }
 292
 293 void
 294 CellRenderer_ValueBase::string_edited_(const Glib::ustring&path,const Glib::ustring&str)
 295 {
 296         ValueBase old_value=property_value_.get_value();
 297         ValueBase value;
 298
 299         if(old_value.get_type()==ValueBase::TYPE_TIME)
 300         {
 301                 value=ValueBase(Time((String)str,get_canvas()->rend_desc().get_frame_rate()));
 302         }
 303         else
 304                 value=ValueBase((String)str);
 305
 306         if(old_value!=value)
 307                 signal_edited_(path,value);
 308 }
 309
 310 void
 311 CellRenderer_ValueBase::render_vfunc(
 312                 const Glib::RefPtr<Gdk::Drawable>& window,
 313                 Gtk::Widget& widget,
 314                 const Gdk::Rectangle& background_area,
 315                 const Gdk::Rectangle& ca,
 316                 const Gdk::Rectangle& expose_area,
 317                 Gtk::CellRendererState flags)
 318 {
 319         if(!window)
 320                 return;
 321 //      const unsigned int cell_xpad = property_xpad();
 322 //      const unsigned int cell_ypad = property_ypad();
 323
 324         //int x_offset = 0, y_offset = 0;
 325 //      int     width = ca.get_width();
 326         int     height = ca.get_height();
 327 //      get_size(widget, ca, x_offset, y_offset, width, height);
 328
 329 //      width  -= cell_xpad * 2;
 330 //      height -= cell_ypad * 2;
 331
 332 //      if(width <= 0 || height <= 0)
 333 //              return;
 334
 335         Gtk::StateType state = Gtk::STATE_INSENSITIVE;
 336         if(property_editable())
 337                 state = Gtk::STATE_NORMAL;
 338         if((flags & Gtk::CELL_RENDERER_SELECTED) != 0)
 339                 state = (widget.has_focus()) ? Gtk::STATE_SELECTED : Gtk::STATE_ACTIVE;
 340
 341         ValueBase data=property_value_.get_value();
 342
 343         switch(data.get_type())
 344         {
 345         case ValueBase::TYPE_REAL:
 346                 if(((synfig::ParamDesc)property_param_desc_).get_is_distance())
 347                 {
 348                         Distance x(data.get(Real()),Distance::SYSTEM_UNITS);
 349                         x.convert(App::distance_system,get_canvas()->rend_desc());
 350                         property_text()=(Glib::ustring)x.get_string(6).c_str();
 351                 }
 352                 else
 353                         property_text()=(Glib::ustring)strprintf("%.6f",data.get(Real()));
 354                 break;
 355         case ValueBase::TYPE_TIME:
 356                 property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format());
 357                 break;
 358         case ValueBase::TYPE_ANGLE:
 359                 property_text()=(Glib::ustring)strprintf("%.2f DEG",(Real)Angle::deg(data.get(Angle())).get());
 360                 break;
 361         case ValueBase::TYPE_INTEGER:
 362                 if(((synfig::ParamDesc)property_param_desc_).get_hint()!="enum")
 363                 {
 364                         property_text()=(Glib::ustring)strprintf("%i",data.get(int()));
 365                 }
 366                 else
 367                 {
 368                         property_text()=(Glib::ustring)strprintf("(%i)",data.get(int()));
 369                         std::list<synfig::ParamDesc::EnumData> enum_list=((synfig::ParamDesc)property_param_desc_).get_enum_list();
 370                         std::list<synfig::ParamDesc::EnumData>::iterator iter;
 371
 372                         for(iter=enum_list.begin();iter!=enum_list.end();iter++)
 373                                 if(iter->value==data.get(int()))
 374                                 {
 375                                         property_text()=(Glib::ustring)iter->local_name;
 376                                         break;
 377                                 }
 378                 }
 379
 380                 break;
 381         case ValueBase::TYPE_VECTOR:
 382                 {
 383                         Vector vector=data.get(Vector());
 384                         Distance x(vector[0],Distance::SYSTEM_UNITS),y(vector[1],Distance::SYSTEM_UNITS);
 385                         x.convert(App::distance_system,get_canvas()->rend_desc());
 386                         y.convert(App::distance_system,get_canvas()->rend_desc());
 387                         property_text()=static_cast<Glib::ustring>(strprintf("%s,%s",x.get_string(6).c_str(),y.get_string(6).c_str()));
 388                 }
 389                 break;
 390
 391         case ValueBase::TYPE_STRING:
 392
 393                 if(data.get_type()==ValueBase::TYPE_STRING)
 394                 {
 395                         if(!data.get(synfig::String()).empty())
 396                                 property_text()=static_cast<Glib::ustring>(data.get(synfig::String()));
 397                         else
 398                                 property_text()=Glib::ustring("<empty>");
 399                 }
 400                 break;
 401         case ValueBase::TYPE_CANVAS:
 402                 if(data.get(etl::handle<synfig::Canvas>()))
 403                 {
 404                         if(data.get(etl::handle<synfig::Canvas>())->is_inline())
 405                                 property_text()=_("<Inline Canvas>");
 406                         else
 407                                 property_text()=(Glib::ustring)data.get(etl::handle<synfig::Canvas>())->get_id();
 408                 }
 409                 else
 410                         property_text()="<No Image Selected>";
 411                 break;
 412         case ValueBase::TYPE_COLOR:
 413                 {
 414                         render_color_to_window(window,ca,data.get(Color()));
 415                         return;
 416                 }
 417                 break;
 418         case ValueBase::TYPE_BOOL:
 419                 {
 420                         widget.get_style()->paint_check(
 421                                 Glib::RefPtr<Gdk::Window>::cast_static(window), state,
 422                                 data.get(bool())?Gtk::SHADOW_IN:Gtk::SHADOW_OUT,
 423                                 ca, widget, "cellcheck",
 424                                 ca.get_x()/* + x_offset + cell_xpad*/,
 425                                 ca.get_y()/* + y_offset + cell_ypad*/,
 426                                 height-1,height-1);
 427                         return;
 428                 }
 429                 break;
 430         case ValueBase::TYPE_NIL:
 431                 //property_text()=(Glib::ustring)" ";
 432                 return;
 433                 break;
 434         case ValueBase::TYPE_SEGMENT:
 435                 property_text()=(Glib::ustring)_("Segment");
 436                 break;
 437         case ValueBase::TYPE_GRADIENT:
 438                 render_gradient_to_window(window,ca,data.get(Gradient()));
 439                 return;
 440                 break;
 441         case ValueBase::TYPE_LIST:
 442                 property_text()=(Glib::ustring)_("List");
 443                 break;
 444         case ValueBase::TYPE_BLINEPOINT:
 445                 property_text()=(Glib::ustring)_("BLine Point");
 446                 break;
 447         default:
 448                 property_text()=static_cast<Glib::ustring>(_("UNKNOWN"));
 449                 break;
 450         }
 451         CellRendererText::render_vfunc(window,widget,background_area,ca,expose_area,flags);
 452 }
 453
 454
 455 /*
 456 bool
 457 CellRenderer_ValueBase::activate_vfunc( GdkEvent* event,
 458         Gtk::Widget& widget,
 459         const Glib::ustring& path,
 460         const Gdk::Rectangle& background_area,
 461         const Gdk::Rectangle& cell_area,
 462         Gtk::CellRendererState flags)
 463 {
 464         ValueBase data=(ValueBase)property_value_.get_value();
 465
 466         switch(data.type)
 467         {
 468         case ValueBase::TYPE_BOOL:
 469                 if(property_editable())
 470                         signal_edited_(path,ValueBase(!data.get(bool())));
 471         return true;
 472         case ValueBase::TYPE_STRING:
 473                 return CellRendererText::activate_vfunc(event,widget,path,background_area,cell_area,flags);
 474         }
 475         return false;
 476 }
 477 */
 478
 479 void
 480 CellRenderer_ValueBase::gradient_edited(synfig::Gradient gradient, Glib::ustring path)
 481 {
 482         ValueBase old_value(property_value_.get_value());
 483         ValueBase value(gradient);
 484         if(old_value!=value)
 485                 signal_edited_(path,value);
 486 }
 487
 488 void
 489 CellRenderer_ValueBase::color_edited(synfig::Color color, Glib::ustring path)
 490 {
 491         ValueBase old_value(property_value_.get_value());
 492         ValueBase value(color);
 493         if(old_value!=value)
 494                 signal_edited_(path,value);
 495 }
 496
 497 Gtk::CellEditable*
 498 CellRenderer_ValueBase::start_editing_vfunc(
 499         GdkEvent* event __attribute__ ((unused)),
 500         Gtk::Widget& widget,
 501         const Glib::ustring& path,
 502         const Gdk::Rectangle& background_area __attribute__ ((unused)),
 503         const Gdk::Rectangle& cell_area __attribute__ ((unused)),
 504         Gtk::CellRendererState flags __attribute__ ((unused)))
 505 {
 506         // If we aren't editable, then there is nothing to do
 507         if(!property_editable())
 508                 return 0;
 509
 510         ValueBase data=property_value_.get_value();
 511
 512         switch(data.get_type())
 513         {
 514         case ValueBase::TYPE_BOOL:
 515                 signal_edited_(path,ValueBase(!data.get(bool())));
 516         return NULL;
 517         //case ValueBase::TYPE_TIME:
 518         //      property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format()|Time::FORMAT_FULL);
 519         //      return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 520
 521         case ValueBase::TYPE_GRADIENT:
 522                 App::dialog_gradient->reset();
 523                 App::dialog_gradient->set_gradient(data.get(Gradient()));
 524                 App::dialog_gradient->signal_edited().connect(
 525                         sigc::bind(
 526                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::gradient_edited),
 527                                 path
 528                         )
 529                 );
 530                 App::dialog_gradient->present();
 531
 532                 return NULL;
 533
 534         case ValueBase::TYPE_COLOR:
 535                 App::dialog_color->reset();
 536                 App::dialog_color->set_color(data.get(Color()));
 537                 App::dialog_color->signal_edited().connect(
 538                         sigc::bind(
 539                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::color_edited),
 540                                 path
 541                         )
 542                 );
 543                 App::dialog_color->present();
 544
 545                 return NULL;
 546         case ValueBase::TYPE_STRING:
 547                 if(get_param_desc().get_hint()=="paragraph")
 548                 {
 549                         synfig::String string;
 550                         string=data.get(string);
 551                         if(get_paragraph(string))
 552                                 signal_edited_(path,ValueBase(string));
 553                         return NULL;
 554                 }
 555                 // if(get_param_desc().get_hint()!="filename")
 556                         // return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 557         default:
 558                 {
 559                         assert(get_canvas());
 560                         //delete value_entry;
 561                         value_entry=manage(new ValueBase_Entry());
 562                         value_entry->set_path(path);
 563                         value_entry->set_canvas(get_canvas());
 564                         value_entry->set_param_desc(get_param_desc());
 565                         value_entry->set_value(data);
 566                         value_entry->set_parent(&widget);
 567                         value_entry->signal_editing_done().connect(sigc::mem_fun(*this, &CellRenderer_ValueBase::on_value_editing_done));
 568                         return value_entry;
 569                 }
 570         }
 571         return NULL;
 572 }
 573
 574 void
 575 CellRenderer_ValueBase::on_value_editing_done()
 576 {
 577         if(value_entry)
 578         {
 579                 ValueBase old_value(property_value_.get_value());
 580                 ValueBase value(value_entry->get_value());
 581
 582                 if(old_value!=value)
 583                         signal_edited_(value_entry->get_path(),value);
 584
 585                 //delete value_entry;
 586                 //value_entry=0;
 587         }
 588 }