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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_text.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) 2008 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/dialog.h>
  34 #include <gtkmm/entry.h>
  35
  36 #include "state_text.h"
  37 #include "canvasview.h"
  38 #include "workarea.h"
  39 #include "app.h"
  40
  41 #include <synfigapp/action.h>
  42 #include "event_mouse.h"
  43 #include "event_layerclick.h"
  44 #include "toolbox.h"
  45 #include "dialog_tooloptions.h"
  46 #include <gtkmm/optionmenu.h>
  47 #include "duck.h"
  48 #include "widget_enum.h"
  49 #include <synfigapp/main.h>
  50
  51 #include "general.h"
  52
  53 #endif
  54
  55 /* === U S I N G =========================================================== */
  56
  57 using namespace std;
  58 using namespace etl;
  59 using namespace synfig;
  60 using namespace studio;
  61
  62 /* === M A C R O S ========================================================= */
  63
  64 /* === G L O B A L S ======================================================= */
  65
  66 StateText studio::state_text;
  67
  68 /* === C L A S S E S & S T R U C T S ======================================= */
  69
  70 class studio::StateText_Context
  71 {
  72         etl::handle<CanvasView> canvas_view;
  73         CanvasView::IsWorking is_working;
  74
  75         Duckmatic::Push duckmatic_push;
  76
  77         void refresh_ducks();
  78
  79         bool prev_workarea_layer_status_;
  80
  81         //Toolbox settings
  82         synfigapp::Settings& settings;
  83
  84         //Toolbox display
  85         Gtk::Table options_table;
  86
  87         Gtk::Entry              entry_id; //what to name the layer
  88         Gtk::Entry              entry_family;
  89         Widget_Vector   widget_size;
  90         Widget_Vector   widget_orientation;
  91         Gtk::CheckButton checkbutton_paragraph;
  92
  93 public:
  94         synfig::String get_id()const { return entry_id.get_text(); }
  95         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
  96
  97         bool get_paragraph_flag()const { return checkbutton_paragraph.get_active(); }
  98         void set_paragraph_flag(bool x) { return checkbutton_paragraph.set_active(x); }
  99
 100         Vector get_size() { return widget_size.get_value(); }
 101         void set_size(Vector s) { return widget_size.set_value(s); }
 102
 103         Vector get_orientation() { return widget_orientation.get_value(); }
 104         void set_orientation(Vector s) { return widget_orientation.set_value(s); }
 105
 106         String get_family()const { return entry_family.get_text(); }
 107         void set_family(String s) { return entry_family.set_text(s); }
 108
 109         void refresh_tool_options(); //to refresh the toolbox
 110
 111         //events
 112         Smach::event_result event_stop_handler(const Smach::event& x);
 113         Smach::event_result event_refresh_handler(const Smach::event& x);
 114         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 115         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 116         Smach::event_result event_workarea_mouse_button_down_handler(const Smach::event& x);
 117
 118         //constructor destructor
 119         StateText_Context(CanvasView *canvas_view);
 120         ~StateText_Context();
 121
 122         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view;}
 123         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view->canvas_interface();}
 124         WorkArea * get_work_area()const{return canvas_view->get_work_area();}
 125
 126         //Modifying settings etc.
 127         void load_settings();
 128         void save_settings();
 129         void reset();
 130         void increment_id();
 131         bool egress_on_selection_change;
 132         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 133         {
 134                 if(egress_on_selection_change)
 135                         throw Smach::egress_exception();
 136                 return Smach::RESULT_OK;
 137         }
 138
 139         void make_text(const Point& point);
 140
 141 }; // END of class StateText_Context
 142
 143 /* === P R O C E D U R E S ================================================= */
 144
 145 /* === M E T H O D S ======================================================= */
 146
 147 StateText::StateText():
 148         Smach::state<StateText_Context>("text")
 149 {
 150         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateText_Context::event_layer_selection_changed_handler));
 151         insert(event_def(EVENT_STOP,&StateText_Context::event_stop_handler));
 152         insert(event_def(EVENT_REFRESH,&StateText_Context::event_refresh_handler));
 153         insert(event_def(EVENT_REFRESH_DUCKS,&StateText_Context::event_refresh_handler));
 154         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateText_Context::event_workarea_mouse_button_down_handler));
 155         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateText_Context::event_refresh_tool_options));
 156 }
 157
 158 StateText::~StateText()
 159 {
 160 }
 161
 162 void
 163 StateText_Context::load_settings()
 164 {
 165         String value;
 166         Vector v;
 167
 168         //parse the arguments yargh!
 169         if(settings.get_value("text.id",value))
 170                 set_id(value);
 171         else
 172                 set_id("Text");
 173
 174         if(settings.get_value("text.paragraph",value) && value=="1")
 175                 set_paragraph_flag(true);
 176         else
 177                 set_paragraph_flag(false);
 178
 179         if(settings.get_value("text.size_x",value))
 180                 v[0] = atof(value.c_str());
 181         else
 182                 v[0] = 0.25;
 183         if(settings.get_value("text.size_y",value))
 184                 v[1] = atof(value.c_str());
 185         else
 186                 v[1] = 0.25;
 187         set_size(v);
 188
 189         if(settings.get_value("text.orient_x",value))
 190                 v[0] = atof(value.c_str());
 191         else
 192                 v[0] = 0.5;
 193         if(settings.get_value("text.orient_y",value))
 194                 v[1] = atof(value.c_str());
 195         else
 196                 v[1] = 0.5;
 197         set_orientation(v);
 198
 199         if(settings.get_value("text.family",value))
 200                 set_family(value);
 201         else
 202                 set_family("Sans Serif");
 203 }
 204
 205 void
 206 StateText_Context::save_settings()
 207 {
 208         settings.set_value("text.id",get_id());
 209         settings.set_value("text.paragraph",get_paragraph_flag()?"1":"0");
 210         settings.set_value("text.size_x",strprintf("%f",(float)get_size()[0]));
 211         settings.set_value("text.size_y",strprintf("%f",(float)get_size()[1]));
 212         settings.set_value("text.orient_x",strprintf("%f",(float)get_orientation()[0]));
 213         settings.set_value("text.orient_y",strprintf("%f",(float)get_orientation()[1]));
 214         settings.set_value("text.family",get_family());
 215 }
 216
 217 void
 218 StateText_Context::reset()
 219 {
 220         refresh_ducks();
 221 }
 222
 223 void
 224 StateText_Context::increment_id()
 225 {
 226         String id(get_id());
 227         int number=1;
 228         int digits=0;
 229
 230         if(id.empty())
 231                 id="Text";
 232
 233         // If there is a number
 234         // already at the end of the
 235         // id, then remove it.
 236         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 237         {
 238                 // figure out how many digits it is
 239                 for (digits = 0;
 240                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 241                          digits++)
 242                         ;
 243
 244                 String str_number;
 245                 str_number=String(id,id.size()-digits,id.size());
 246                 id=String(id,0,id.size()-digits);
 247
 248                 number=atoi(str_number.c_str());
 249         }
 250         else
 251         {
 252                 number=1;
 253                 digits=3;
 254         }
 255
 256         number++;
 257
 258         // Add the number back onto the id
 259         {
 260                 const String format(strprintf("%%0%dd",digits));
 261                 id+=strprintf(format.c_str(),number);
 262         }
 263
 264         // Set the ID
 265         set_id(id);
 266 }
 267
 268 StateText_Context::StateText_Context(CanvasView *canvas_view):
 269         canvas_view(canvas_view),
 270         is_working(*canvas_view),
 271         duckmatic_push(get_work_area()),
 272         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 273         settings(synfigapp::Main::get_selected_input_device()->settings()),
 274         entry_id(),
 275         checkbutton_paragraph(_("Multiline Editor"))
 276 {
 277         egress_on_selection_change=true;
 278
 279         widget_size.set_digits(2);
 280         widget_size.set_canvas(canvas_view->get_canvas());
 281
 282         widget_orientation.set_digits(2);
 283
 284         options_table.attach(*manage(new Gtk::Label(_("Text Tool"))),           0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 285         options_table.attach(entry_id,                                                                          0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 286         options_table.attach(checkbutton_paragraph,                                                     0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 287         options_table.attach(*manage(new Gtk::Label(_("Size:"))),                       0, 1, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 288         options_table.attach(widget_size,                                                                       1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 289         options_table.attach(*manage(new Gtk::Label(_("Orientation:"))),        0, 1, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 290         options_table.attach(widget_orientation,                                                        1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 291         options_table.attach(*manage(new Gtk::Label(_("Family:"))),                     0, 1, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 292         options_table.attach(entry_family,                                                                      1, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 293
 294         load_settings();
 295
 296         options_table.show_all();
 297
 298         refresh_tool_options();
 299         App::dialog_tool_options->present();
 300
 301         // Turn off layer clicking
 302         get_work_area()->set_allow_layer_clicks(false);
 303
 304         // clear out the ducks
 305         get_work_area()->clear_ducks();
 306
 307         // Refresh the work area
 308         get_work_area()->queue_draw();
 309
 310         // Hide the tables if they are showing
 311         //prev_table_status=get_canvas_view()->tables_are_visible();
 312         //if(prev_table_status)get_canvas_view()->hide_tables();
 313
 314         // Disable the time bar
 315         //get_canvas_view()->set_sensitive_timebar(false);
 316
 317         // Connect a signal
 318         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateText_Context::on_user_click));
 319         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 320
 321         App::toolbox->refresh();
 322 }
 323
 324 void
 325 StateText_Context::refresh_tool_options()
 326 {
 327         App::dialog_tool_options->clear();
 328         App::dialog_tool_options->set_widget(options_table);
 329         App::dialog_tool_options->set_local_name(_("Text Tool"));
 330         App::dialog_tool_options->set_name("text");
 331 }
 332
 333 Smach::event_result
 334 StateText_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 335 {
 336         refresh_tool_options();
 337         return Smach::RESULT_ACCEPT;
 338 }
 339
 340 StateText_Context::~StateText_Context()
 341 {
 342         save_settings();
 343
 344         // Restore layer clicking
 345         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 346         get_canvas_view()->work_area->reset_cursor();
 347
 348         App::dialog_tool_options->clear();
 349
 350         get_work_area()->queue_draw();
 351
 352         get_canvas_view()->queue_rebuild_ducks();
 353
 354         App::toolbox->refresh();
 355 }
 356
 357 Smach::event_result
 358 StateText_Context::event_stop_handler(const Smach::event& /*x*/)
 359 {
 360         throw Smach::egress_exception();
 361 }
 362
 363 Smach::event_result
 364 StateText_Context::event_refresh_handler(const Smach::event& /*x*/)
 365 {
 366         refresh_ducks();
 367         return Smach::RESULT_ACCEPT;
 368 }
 369
 370 void
 371 StateText_Context::make_text(const Point& _point)
 372 {
 373         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Text"));
 374         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 375
 376         Layer::Handle layer;
 377
 378         Canvas::Handle canvas(get_canvas_view()->get_canvas());
 379         int depth(0);
 380
 381         // we are temporarily using the layer to hold something
 382         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 383         if(layer)
 384         {
 385                 depth=layer->get_depth();
 386                 canvas=layer->get_canvas();
 387         }
 388
 389         synfigapp::SelectionManager::LayerList layer_selection;
 390         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 391                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 392
 393         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 394         const Point point(transform.unperform(_point));
 395
 396         String text;
 397         if (get_paragraph_flag())
 398                 App::dialog_paragraph(_("Text Paragraph"), _("Enter text here:"), text);
 399         else
 400                 App::dialog_entry(_("Text Entry"), _("Enter text here:"), text);
 401
 402         layer=get_canvas_interface()->add_layer_to("text",canvas,depth);
 403         if (!layer)
 404         {
 405                 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 406                 group.cancel();
 407                 return;
 408         }
 409         layer_selection.push_back(layer);
 410
 411         layer->set_param("origin",point);
 412         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 413
 414         layer->set_param("text",text);
 415         get_canvas_interface()->signal_layer_param_changed()(layer,"text");
 416
 417         layer->set_param("size",get_size());
 418         get_canvas_interface()->signal_layer_param_changed()(layer,"size");
 419
 420         layer->set_param("orient",get_orientation());
 421         get_canvas_interface()->signal_layer_param_changed()(layer,"orient");
 422
 423         layer->set_param("family",get_family());
 424         get_canvas_interface()->signal_layer_param_changed()(layer,"family");
 425
 426         layer->set_description(get_id());
 427         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 428
 429         egress_on_selection_change=false;
 430         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 431         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 432         egress_on_selection_change=true;
 433
 434         reset();
 435         increment_id();
 436 }
 437
 438 Smach::event_result
 439 StateText_Context::event_workarea_mouse_button_down_handler(const Smach::event& x)
 440 {
 441         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 442         if(event.button==BUTTON_LEFT)
 443         {
 444                 make_text(get_work_area()->snap_point_to_grid(event.pos));
 445
 446                 get_work_area()->clear_ducks();
 447                 return Smach::RESULT_ACCEPT;
 448         }
 449         return Smach::RESULT_OK;
 450 }
 451
 452 void
 453 StateText_Context::refresh_ducks()
 454 {
 455         get_work_area()->clear_ducks();
 456         get_work_area()->queue_draw();
 457 }