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                 DEBUGPOINT();
 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                 return synfig::ValueBase();
 205         }
 206         const Glib::ustring &get_path()
 207         {
 208                 return path;
 209         }
 210
 211 };
 212
 213 /* === P R O C E D U R E S ================================================= */
 214
 215 bool get_paragraph(synfig::String& text)
 216 {
 217         Gtk::Dialog dialog(
 218                 _("Paragraph"),         // Title
 219                 true,           // Modal
 220                 true            // use_separator
 221         );
 222         Gtk::Label label(_("Enter Paragraph Text Here:"));
 223         label.show();
 224         dialog.get_vbox()->pack_start(label);
 225
 226
 227         Glib::RefPtr<Gtk::TextBuffer> text_buffer(Gtk::TextBuffer::create());
 228         text_buffer->set_text(text);
 229
 230         Gtk::TextView text_view(text_buffer);
 231         text_view.show();
 232         dialog.get_vbox()->pack_start(text_view);
 233
 234 /*
 235         Gtk::Entry entry;
 236         entry.set_text(text);
 237         entry.show();
 238         entry.set_activates_default(true);
 239         dialog.get_vbox()->pack_start(entry);
 240 */
 241
 242         dialog.add_button(Gtk::StockID("gtk-ok"),Gtk::RESPONSE_OK);
 243         dialog.add_button(Gtk::StockID("gtk-cancel"),Gtk::RESPONSE_CANCEL);
 244         dialog.set_default_response(Gtk::RESPONSE_OK);
 245
 246         //text_entry.signal_activate().connect(sigc::bind(sigc::mem_fun(dialog,&Gtk::Dialog::response),Gtk::RESPONSE_OK));
 247
 248         dialog.show();
 249
 250         if(dialog.run()!=Gtk::RESPONSE_OK)
 251                 return false;
 252
 253         text=text_buffer->get_text();
 254
 255         return true;
 256 }
 257
 258 /* === M E T H O D S ======================================================= */
 259
 260 CellRenderer_ValueBase::CellRenderer_ValueBase():
 261         Glib::ObjectBase        (typeid(CellRenderer_ValueBase)),
 262         Gtk::CellRendererText   (),
 263         property_value_ (*this,"value",synfig::ValueBase()),
 264         property_canvas_(*this,"canvas",etl::handle<synfig::Canvas>()),
 265         property_param_desc_(*this,"param_desc",synfig::ParamDesc())
 266 {
 267         CellRendererText::signal_edited().connect(sigc::mem_fun(*this,&CellRenderer_ValueBase::string_edited_));
 268         value_entry=new ValueBase_Entry();
 269         value_entry->hide();
 270
 271         Pango::AttrList attr_list;
 272         {
 273                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 274                 pango_size.set_start_index(0);
 275                 pango_size.set_end_index(64);
 276                 attr_list.change(pango_size);
 277         }
 278         property_attributes()=attr_list;
 279
 280         property_foreground()=Glib::ustring("#7f7f7f");
 281         property_inconsistent()=false;
 282 }
 283
 284 CellRenderer_ValueBase::~CellRenderer_ValueBase()
 285 {
 286 //      synfig::info("CellRenderer_ValueBase::~CellRenderer_ValueBase(): deleted");
 287 }
 288
 289 void
 290 CellRenderer_ValueBase::string_edited_(const Glib::ustring&path,const Glib::ustring&str)
 291 {
 292         ValueBase old_value=property_value_.get_value();
 293         ValueBase value;
 294
 295         if(old_value.get_type()==ValueBase::TYPE_TIME)
 296         {
 297                 value=ValueBase(Time((String)str,get_canvas()->rend_desc().get_frame_rate()));
 298         }
 299         else
 300                 value=ValueBase((String)str);
 301
 302         if(old_value!=value)
 303                 signal_edited_(path,value);
 304 }
 305
 306 void
 307 CellRenderer_ValueBase::render_vfunc(
 308                 const Glib::RefPtr<Gdk::Drawable>& window,
 309                 Gtk::Widget& widget,
 310                 const Gdk::Rectangle& background_area,
 311                 const Gdk::Rectangle& ca,
 312                 const Gdk::Rectangle& expose_area,
 313                 Gtk::CellRendererState flags)
 314 {
 315         if(!window)
 316                 return;
 317 //      const unsigned int cell_xpad = property_xpad();
 318 //      const unsigned int cell_ypad = property_ypad();
 319
 320         //int x_offset = 0, y_offset = 0;
 321 //      int     width = ca.get_width();
 322         int     height = ca.get_height();
 323 //      get_size(widget, ca, x_offset, y_offset, width, height);
 324
 325 //      width  -= cell_xpad * 2;
 326 //      height -= cell_ypad * 2;
 327
 328 //      if(width <= 0 || height <= 0)
 329 //              return;
 330
 331         Gtk::StateType state = Gtk::STATE_INSENSITIVE;
 332         if(property_editable())
 333                 state = Gtk::STATE_NORMAL;
 334         if((flags & Gtk::CELL_RENDERER_SELECTED) != 0)
 335                 state = (widget.has_focus()) ? Gtk::STATE_SELECTED : Gtk::STATE_ACTIVE;
 336
 337         ValueBase data=property_value_.get_value();
 338
 339         switch(data.get_type())
 340         {
 341         case ValueBase::TYPE_REAL:
 342                 if(((synfig::ParamDesc)property_param_desc_).get_is_distance())
 343                 {
 344                         Distance x(data.get(Real()),Distance::SYSTEM_UNITS);
 345                         x.convert(App::distance_system,get_canvas()->rend_desc());
 346                         property_text()=(Glib::ustring)x.get_string(6).c_str();
 347                 }
 348                 else
 349                         property_text()=(Glib::ustring)strprintf("%.6f",data.get(Real()));
 350                 break;
 351         case ValueBase::TYPE_TIME:
 352                 property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format());
 353                 break;
 354         case ValueBase::TYPE_ANGLE:
 355                 property_text()=(Glib::ustring)strprintf("%.2f DEG",(Real)Angle::deg(data.get(Angle())).get());
 356                 break;
 357         case ValueBase::TYPE_INTEGER:
 358                 if(((synfig::ParamDesc)property_param_desc_).get_hint()!="enum")
 359                 {
 360                         property_text()=(Glib::ustring)strprintf("%i",data.get(int()));
 361                 }
 362                 else
 363                 {
 364                         property_text()=(Glib::ustring)strprintf("(%i)",data.get(int()));
 365                         std::list<synfig::ParamDesc::EnumData> enum_list=((synfig::ParamDesc)property_param_desc_).get_enum_list();
 366                         std::list<synfig::ParamDesc::EnumData>::iterator iter;
 367
 368                         for(iter=enum_list.begin();iter!=enum_list.end();iter++)
 369                                 if(iter->value==data.get(int()))
 370                                 {
 371                                         property_text()=(Glib::ustring)iter->local_name;
 372                                         break;
 373                                 }
 374                 }
 375
 376                 break;
 377         case ValueBase::TYPE_VECTOR:
 378                 {
 379                         Vector vector=data.get(Vector());
 380                         Distance x(vector[0],Distance::SYSTEM_UNITS),y(vector[1],Distance::SYSTEM_UNITS);
 381                         x.convert(App::distance_system,get_canvas()->rend_desc());
 382                         y.convert(App::distance_system,get_canvas()->rend_desc());
 383                         property_text()=static_cast<Glib::ustring>(strprintf("%s,%s",x.get_string(6).c_str(),y.get_string(6).c_str()));
 384                 }
 385                 break;
 386
 387         case ValueBase::TYPE_STRING:
 388
 389                 if(data.get_type()==ValueBase::TYPE_STRING)
 390                 {
 391                         if(!data.get(synfig::String()).empty())
 392                                 property_text()=static_cast<Glib::ustring>(data.get(synfig::String()));
 393                         else
 394                                 property_text()=Glib::ustring("<empty>");
 395                 }
 396                 break;
 397         case ValueBase::TYPE_CANVAS:
 398                 if(data.get(etl::handle<synfig::Canvas>()))
 399                 {
 400                         if(data.get(etl::handle<synfig::Canvas>())->is_inline())
 401                                 property_text()=_("<Inline Canvas>");
 402                         else
 403                                 property_text()=(Glib::ustring)data.get(etl::handle<synfig::Canvas>())->get_id();
 404                 }
 405                 else
 406                         property_text()="<No Image Selected>";
 407                 break;
 408         case ValueBase::TYPE_COLOR:
 409                 {
 410                         render_color_to_window(window,ca,data.get(Color()));
 411                         return;
 412                 }
 413                 break;
 414         case ValueBase::TYPE_BOOL:
 415                 {
 416                         widget.get_style()->paint_check(
 417                                 Glib::RefPtr<Gdk::Window>::cast_static(window), state,
 418                                 data.get(bool())?Gtk::SHADOW_IN:Gtk::SHADOW_OUT,
 419                                 ca, widget, "cellcheck",
 420                                 ca.get_x()/* + x_offset + cell_xpad*/,
 421                                 ca.get_y()/* + y_offset + cell_ypad*/,
 422                                 height-1,height-1);
 423                         return;
 424                 }
 425                 break;
 426         case ValueBase::TYPE_NIL:
 427                 //property_text()=(Glib::ustring)" ";
 428                 return;
 429                 break;
 430         case ValueBase::TYPE_SEGMENT:
 431                 property_text()=(Glib::ustring)_("Segment");
 432                 break;
 433         case ValueBase::TYPE_GRADIENT:
 434                 render_gradient_to_window(window,ca,data.get(Gradient()));
 435                 return;
 436                 break;
 437         case ValueBase::TYPE_LIST:
 438                 property_text()=(Glib::ustring)_("List");
 439                 break;
 440         case ValueBase::TYPE_BLINEPOINT:
 441                 property_text()=(Glib::ustring)_("BLine Point");
 442                 break;
 443         default:
 444                 property_text()=static_cast<Glib::ustring>(_("UNKNOWN"));
 445                 break;
 446         }
 447         CellRendererText::render_vfunc(window,widget,background_area,ca,expose_area,flags);
 448 }
 449
 450
 451 /*
 452 bool
 453 CellRenderer_ValueBase::activate_vfunc( GdkEvent* event,
 454         Gtk::Widget& widget,
 455         const Glib::ustring& path,
 456         const Gdk::Rectangle& background_area,
 457         const Gdk::Rectangle& cell_area,
 458         Gtk::CellRendererState flags)
 459 {
 460         ValueBase data=(ValueBase)property_value_.get_value();
 461
 462         switch(data.type)
 463         {
 464         case ValueBase::TYPE_BOOL:
 465                 if(property_editable())
 466                         signal_edited_(path,ValueBase(!data.get(bool())));
 467         return true;
 468         case ValueBase::TYPE_STRING:
 469                 return CellRendererText::activate_vfunc(event,widget,path,background_area,cell_area,flags);
 470         }
 471         return false;
 472 }
 473 */
 474
 475 void
 476 CellRenderer_ValueBase::gradient_edited(synfig::Gradient gradient, Glib::ustring path)
 477 {
 478         ValueBase old_value(property_value_.get_value());
 479         ValueBase value(gradient);
 480         if(old_value!=value)
 481                 signal_edited_(path,value);
 482 }
 483
 484 void
 485 CellRenderer_ValueBase::color_edited(synfig::Color color, Glib::ustring path)
 486 {
 487         ValueBase old_value(property_value_.get_value());
 488         ValueBase value(color);
 489         if(old_value!=value)
 490                 signal_edited_(path,value);
 491 }
 492
 493 Gtk::CellEditable*
 494 CellRenderer_ValueBase::start_editing_vfunc(
 495         GdkEvent* event,
 496         Gtk::Widget& widget,
 497         const Glib::ustring& path,
 498         const Gdk::Rectangle& background_area,
 499         const Gdk::Rectangle& cell_area,
 500         Gtk::CellRendererState flags)
 501 {
 502         // If we aren't editable, then there is nothing to do
 503         if(!property_editable())
 504                 return 0;
 505
 506         ValueBase data=property_value_.get_value();
 507
 508         switch(data.get_type())
 509         {
 510         case ValueBase::TYPE_BOOL:
 511                 signal_edited_(path,ValueBase(!data.get(bool())));
 512         return NULL;
 513         //case ValueBase::TYPE_TIME:
 514         //      property_text()=(Glib::ustring)data.get(Time()).get_string(get_canvas()->rend_desc().get_frame_rate(),App::get_time_format()|Time::FORMAT_FULL);
 515         //      return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 516
 517         case ValueBase::TYPE_GRADIENT:
 518                 App::dialog_gradient->reset();
 519                 App::dialog_gradient->set_gradient(data.get(Gradient()));
 520                 App::dialog_gradient->signal_edited().connect(
 521                         sigc::bind(
 522                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::gradient_edited),
 523                                 path
 524                         )
 525                 );
 526                 App::dialog_gradient->present();
 527
 528                 return NULL;
 529
 530         case ValueBase::TYPE_COLOR:
 531                 App::dialog_color->reset();
 532                 App::dialog_color->set_color(data.get(Color()));
 533                 App::dialog_color->signal_edited().connect(
 534                         sigc::bind(
 535                                 sigc::mem_fun(*this,&studio::CellRenderer_ValueBase::color_edited),
 536                                 path
 537                         )
 538                 );
 539                 App::dialog_color->present();
 540
 541                 return NULL;
 542         case ValueBase::TYPE_STRING:
 543                 if(get_param_desc().get_hint()=="paragraph")
 544                 {
 545                         synfig::String string;
 546                         string=data.get(string);
 547                         if(get_paragraph(string))
 548                                 signal_edited_(path,ValueBase(string));
 549                         return NULL;
 550                 }
 551                 // if(get_param_desc().get_hint()!="filename")
 552                         // return CellRendererText::start_editing_vfunc(event,widget,path,background_area,cell_area,flags);
 553         default:
 554                 {
 555                         assert(get_canvas());
 556                         //delete value_entry;
 557                         value_entry=manage(new ValueBase_Entry());
 558                         value_entry->set_path(path);
 559                         value_entry->set_canvas(get_canvas());
 560                         value_entry->set_param_desc(get_param_desc());
 561                         value_entry->set_value(data);
 562                         value_entry->set_parent(&widget);
 563                         value_entry->signal_editing_done().connect(sigc::mem_fun(*this, &CellRenderer_ValueBase::on_value_editing_done));
 564                         return value_entry;
 565                 }
 566         }
 567         return NULL;
 568 }
 569
 570 void
 571 CellRenderer_ValueBase::on_value_editing_done()
 572 {
 573         if(value_entry)
 574         {
 575                 ValueBase old_value(property_value_.get_value());
 576                 ValueBase value(value_entry->get_value());
 577
 578                 if(old_value!=value)
 579                         signal_edited_(value_entry->get_path(),value);
 580
 581                 //delete value_entry;
 582                 //value_entry=0;
 583         }
 584 }