lib/gtk/v3_4/gtk_core.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2011-2013 Alexis Laferrière <alexis.laf@xymus.net>
   4 # Copyright 2013 Nathan Heu <heu.nathan@courrier.uqam.ca>
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License");
   7 # you may not use this file except in compliance with the License.
   8 # You may obtain a copy of the License at
   9 #
  10 #     http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS,
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17
  18 # Classes and services to use libGTK widgets
  19 module gtk_core is pkgconfig("gtk+-3.0")
  20
  21 import gtk_enums
  22 import gdk_enums
  23
  24 in "C Header" `{
  25         #include <gtk/gtk.h>
  26 `}
  27
  28 `{
  29                 /* callback user data */
  30                 typedef struct {
  31                         GtkCallable to_call;
  32                         nullable_Object user_data;
  33                 } NitGtkSignal;
  34
  35                 void nit_gtk_callback_func( GtkWidget *widget,
  36                                                         gpointer   callback_data ) {
  37                         NitGtkSignal *data;
  38                         data = (NitGtkSignal*)callback_data;
  39                         GtkCallable_signal( data->to_call, widget, data->user_data );
  40                 }
  41 `}
  42
  43 redef interface Object
  44         protected fun init_gtk `{ gtk_init( 0, NULL ); `}
  45         protected fun run_gtk `{ gtk_main(); `}
  46         protected fun quit_gtk `{ gtk_main_quit(); `}
  47 end
  48
  49 interface GtkCallable
  50         # return true to stop event processing, false to let it propagate
  51         fun signal( sender : GtkWidget, user_data : nullable Object ) is abstract
  52 end
  53
  54 extern class GdkEvent `{GdkEvent *`}
  55 end
  56
  57
  58 #Base class for all widgets
  59 #@https://developer.gnome.org/gtk3/stable/GtkWidget.html
  60 extern class GtkWidget `{GtkWidget *`}
  61         fun show_all is extern `{ gtk_widget_show_all( recv ); `}
  62
  63         fun signal_connect( signal_name : String, to_call : GtkCallable, user_data : nullable Object ) is extern import String.to_cstring, GtkCallable.signal, Object.as not nullable `{
  64                 NitGtkSignal *data = malloc( sizeof(NitGtkSignal) );
  65
  66                 GtkCallable_incr_ref( to_call );
  67                 Object_incr_ref( user_data );
  68
  69                 data->to_call = to_call;
  70                 data->user_data = user_data;
  71
  72                 /*Use G_CALLBACK() to cast the callback function to a GCallback*/
  73                 g_signal_connect( recv,
  74                                                         String_to_cstring( signal_name ),
  75                                                         G_CALLBACK(nit_gtk_callback_func),
  76                                                         data );
  77         `}
  78
  79         redef fun == ( o ) do return o isa GtkWidget and equal_to_gtk_widget( o )
  80
  81         private fun equal_to_gtk_widget( o : GtkWidget ) : Bool `{
  82                 return recv == o;
  83         `}
  84
  85         fun request_size( width, height : Int ) `{
  86                 gtk_widget_set_size_request( recv, width, height );
  87         `}
  88
  89         fun bg_color=( state : GtkStateType, color : GdkRGBA ) is extern `{
  90                 gtk_widget_override_background_color( recv, state, color);
  91         `}
  92
  93         #with gtk it's possible to set fg_color to all widget : is it correct? is fg color inherited?
  94         #GdkColor color;
  95         fun fg_color=( state : GtkStateType, color : GdkRGBA ) is extern `{
  96                 gtk_widget_override_color( recv, state, color);
  97         `}
  98
  99         # Sets the sensitivity of a widget. sensitive -> the user can interact with it.
 100         # Insensitive -> widget "grayed out" and the user can"t interact with them
 101         fun sensitive=(sensitive : Bool) is extern `{
 102                 gtk_widget_set_sensitive(recv, sensitive);
 103         `}
 104
 105         # return the sensitivity of the widget
 106         fun sensitive: Bool is extern `{
 107                 return gtk_widget_get_sensitive(recv);
 108         `}
 109
 110         # Set the visibility of the widget
 111         fun visible=(visible: Bool) is extern `{
 112                 gtk_widget_set_visible(recv, visible);
 113         `}
 114
 115         # Get the visibility of the widget only
 116         fun visible_self: Bool is extern `{
 117                 return gtk_widget_get_visible(recv);
 118         `}
 119 end
 120
 121 #Base class for widgets which contain other widgets
 122 #@https://developer.gnome.org/gtk3/stable/GtkContainer.html
 123 extern class GtkContainer `{GtkContainer *`}
 124         super GtkWidget
 125
 126         # Add a widget to the container
 127         fun add( widget : GtkWidget ) is extern `{
 128                 gtk_container_add( recv, widget );
 129         `}
 130         # Remove the widget from the container
 131         fun remove_widget( widget : GtkWidget ) is extern `{
 132                 gtk_container_remove( recv, widget );
 133         `}
 134
 135         # Get the resize mode of the container
 136         fun resize_mode : GtkResizeMode is extern `{
 137                 return gtk_container_get_resize_mode( recv );
 138         `}
 139
 140         # Set the resize mode of the container
 141         fun resize_mode=( resize_mode: GtkResizeMode ) is extern `{
 142                 gtk_container_set_resize_mode( recv, resize_mode );
 143         `}
 144
 145 end
 146
 147 #A container with just one child
 148 #@https://developer.gnome.org/gtk3/stable/GtkBin.html
 149 extern class GtkBin `{GtkBin *`}
 150         super GtkContainer
 151
 152         fun child : GtkWidget is extern `{
 153                 return gtk_bin_get_child( recv );
 154         `}
 155 end
 156
 157 #Toplevel which can contain other widgets
 158 #@https://developer.gnome.org/gtk3/stable/GtkWindow.html
 159 extern class GtkWindow `{GtkWindow *`}
 160         super GtkBin
 161
 162         new ( flag : Int ) is extern `{
 163                 GtkWindow *win;
 164
 165                 win = GTK_WINDOW(gtk_window_new( flag ));
 166                 g_signal_connect(win, "destroy", G_CALLBACK(gtk_main_quit), NULL);
 167                 return win;
 168         `}
 169
 170         fun title=( title : String ) is extern import String.to_cstring `{
 171                 gtk_window_set_title( recv, String_to_cstring( title ) );
 172         `}
 173
 174         #The "destroy" signal is emitted when a widget is destroyed, either by explicitly calling gtk_widget_destroy() or when the widget is unparented. Top-level GtkWindows are also destroyed when the Close window control button is clicked.
 175         fun on_close( to_call : GtkCallable, user_data : nullable Object )
 176         do
 177                 signal_connect( "destroy", to_call, user_data )
 178         end
 179
 180         fun resizable : Bool is extern `{
 181                 return gtk_window_get_resizable( recv );
 182         `}
 183
 184         fun resizable=( is_resizable : Bool) is extern `{
 185                 return gtk_window_set_resizable( recv, is_resizable );
 186         `}
 187
 188         #Activates the current focused widget within the window.
 189         #returns TRUE if a widget got activated.
 190         fun activate_focus : Bool is extern `{
 191                 return gtk_window_activate_focus( recv );
 192         `}
 193
 194         #Sets a window modal or non-modal. Modal windows prevent interaction with other windows in the same application.
 195         fun modal=( is_modal : Bool ) is extern `{
 196                 gtk_window_set_modal( recv, is_modal );
 197         `}
 198
 199         #Windows can't actually be 0x0 in size, they must be at least 1x1
 200         #but passing 0 for width and height is OK, resulting in a 1x1 default size.
 201         #params width in pixels, or -1 to unset the default width
 202         #params height in pixels, or -1 to unset the default height
 203         fun default_size( width : Int, height : Int ) is extern `{
 204                 gtk_window_set_default_size( recv, width, height );
 205         `}
 206
 207         #Activates the default widget for the window
 208         #unless the current focused widget has been configured to receive the default action (see gtk_widget_set_receives_default()), in which case the focused widget is activated.
 209         fun activate_default : Bool is extern `{
 210                 return gtk_window_activate_default( recv );
 211         `}
 212
 213         fun gravity : GdkGravity is extern `{
 214                 return gtk_window_get_gravity( recv );
 215         `}
 216
 217         fun gravity=( window_grav : GdkGravity ) is extern `{
 218                 gtk_window_set_gravity( recv, window_grav );
 219         `}
 220
 221 #       fun position : GtkWindowPosition is extern `{
 222 #               return gtk_window_get_position( recv );
 223 #       `}
 224 #
 225 #       fun position=( window_pos : GtkWindowPosition ) is extern `{
 226 #               gtk_window_set_position( recv, window_pos );
 227 #       `}
 228
 229         fun active : Bool is extern `{
 230                 return gtk_window_is_active( recv );
 231         `}
 232
 233         #Returns whether the input focus is within this GtkWindow. For real toplevel windows, this is identical to gtk_window_is_active(), but for embedded windows, like GtkPlug, the results will differ.
 234         fun has_toplevel_focus : Bool is extern `{
 235                 return gtk_window_has_toplevel_focus( recv );
 236         `}
 237
 238         fun get_focus : GtkWidget is extern `{
 239                 return gtk_window_get_focus( recv );
 240         `}
 241
 242         fun set_focus( widget : GtkWidget ) is extern `{
 243                 return gtk_window_set_focus( recv, widget );
 244         `}
 245
 246         fun get_default_widget : GtkWidget is extern `{
 247                 return gtk_window_get_default_widget( recv );
 248         `}
 249
 250         fun set_default_widget( widget : GtkWidget ) is extern `{
 251                 return gtk_window_set_default( recv, widget );
 252         `}
 253
 254         fun maximize is extern `{
 255                 return gtk_window_maximize( recv );
 256         `}
 257
 258         fun unmaximize is extern `{
 259                 return gtk_window_unmaximize( recv );
 260         `}
 261
 262         fun fullscreen is extern `{
 263                 return gtk_window_fullscreen( recv );
 264         `}
 265
 266         fun unfullscreen is extern `{
 267                 return gtk_window_unfullscreen( recv );
 268         `}
 269
 270         fun keep_above=( setting : Bool ) is extern `{
 271                 gtk_window_set_keep_above( recv, setting );
 272         `}
 273
 274         fun keep_below=( setting : Bool ) is extern `{
 275                 gtk_window_set_keep_below( recv, setting );
 276         `}
 277 end
 278
 279 #A bin with a decorative frame and optional label
 280 #https://developer.gnome.org/gtk3/stable/GtkFrame.html
 281 extern class GtkFrame `{GtkFrame *`}
 282         super GtkBin
 283
 284         new ( lbl : String ) is extern import String.to_cstring`{
 285                 return (GtkFrame *)gtk_frame_new( String_to_cstring( lbl ) );
 286         `}
 287
 288         fun frame_label : String is extern`{
 289                 return NativeString_to_s( (char *)gtk_frame_get_label( recv ) );
 290         `}
 291
 292         fun frame_label=( lbl : String ) is extern import String.to_cstring`{
 293                 gtk_frame_set_label( recv, String_to_cstring( lbl ) );
 294         `}
 295
 296         fun label_widget : GtkWidget is extern `{
 297                 return gtk_frame_get_label_widget( recv );
 298         `}
 299
 300         fun label_widget=( widget : GtkWidget ) is extern `{
 301                 gtk_frame_set_label_widget( recv, widget );
 302         `}
 303
 304         fun shadow_type : GtkShadowType is extern `{
 305                 return gtk_frame_get_shadow_type( recv );
 306         `}
 307
 308         fun shadow_type=( stype : GtkShadowType ) is extern `{
 309                 gtk_frame_set_shadow_type( recv, stype );
 310         `}
 311
 312         #fun label_align : GtkShadowType is extern `{
 313         #`}
 314
 315         fun label_align=( xalign : Float, yalign : Float ) is extern `{
 316                 gtk_frame_set_label_align( recv, xalign, yalign );
 317         `}
 318 end
 319
 320 #Pack widgets in a rows and columns
 321 #@https://developer.gnome.org/gtk3/3.3/GtkGrid.html
 322 extern class GtkGrid `{GtkGrid *`}
 323         super GtkContainer
 324
 325         # Create a grid with a fixed number of rows and columns
 326         new ( rows : Int, columns : Int, homogeneous : Bool ) `{
 327                 return (GtkGrid*)gtk_grid_new(); // rows, columns, homogeneous );
 328         `}
 329
 330         # Set a widget child inside the grid at a given position
 331         fun attach( child : GtkWidget, left, top, width, height : Int ) `{
 332                 gtk_grid_attach( recv, child, left, top, width, height );
 333         `}
 334
 335         # Get the child of the Grid at the given position
 336         fun get_child_at( left : Int, top : Int ): GtkWidget is extern `{
 337                 return gtk_grid_get_child_at( recv, left, top );
 338         `}
 339
 340         # Insert a row at the specified position
 341         fun insert_row( position :Int ) is extern `{
 342                 gtk_grid_insert_row( recv, position );
 343         `}
 344
 345         # Insert a column at the specified position
 346         fun insert_column( position : Int ) is extern `{
 347                 gtk_grid_insert_column( recv, position );
 348         `}
 349 end
 350
 351 # A container box
 352 #
 353 # @https://developer.gnome.org/gtk3/3.4/GtkBox.html
 354 extern class GtkBox `{ GtkBox * `}
 355         super GtkContainer
 356 end
 357
 358 #The tree interface used by GtkTreeView
 359 #@https://developer.gnome.org/gtk3/stable/GtkTreeModel.html
 360 extern class GtkTreeModel `{GtkTreeModel *`}
 361 end
 362
 363 #An abstract class for laying out GtkCellRenderers
 364 #@https://developer.gnome.org/gtk3/stable/GtkCellArea.html
 365 extern class GtkCellArea `{GtkCellArea *`}
 366 end
 367
 368 #Base class for widgets with alignments and padding
 369 #@https://developer.gnome.org/gtk3/3.2/GtkMisc.html
 370 extern class GtkMisc `{GtkMisc *`}
 371         super GtkWidget
 372
 373         fun alignment : GtkAlignment is abstract
 374
 375         fun alignment=( x : Float, y : Float ) is extern `{
 376                 gtk_misc_set_alignment( recv, x, y );
 377         `}
 378
 379         fun padding : GtkAlignment is abstract
 380
 381         fun padding=( x : Float, y : Float ) is extern `{
 382                 gtk_misc_set_padding( recv, x, y );
 383         `}
 384
 385 end
 386
 387 #A single line text entry field
 388 #@https://developer.gnome.org/gtk3/3.2/GtkEntry.html
 389 extern class GtkEntry `{GtkEntry *`}
 390         super GtkWidget
 391
 392         new is extern `{
 393                  return (GtkEntry *)gtk_entry_new();
 394         `}
 395
 396         fun text : String is extern import String.to_cstring`{
 397                 return NativeString_to_s( (char *)gtk_entry_get_text( recv ) );
 398         `}
 399
 400         fun text=( value : String) is extern import String.to_cstring`{
 401                 gtk_entry_set_text( recv, String_to_cstring( value ) );
 402         `}
 403
 404         # Is the text visible or is it the invisible char (such as '*')?
 405         fun visiblility: Bool is extern `{
 406                 return gtk_entry_get_visibility( recv );
 407         `}
 408
 409         # Set the text visiblility
 410         # If false, will use the invisible char (such as '*')
 411         fun visibility=( is_visible : Bool) is extern `{
 412                 gtk_entry_set_visibility( recv, is_visible );
 413         `}
 414
 415         fun max_length : Int is extern `{
 416                 return gtk_entry_get_max_length( recv );
 417         `}
 418
 419         fun max_length=( max : Int) is extern `{
 420                 gtk_entry_set_max_length( recv, max );
 421         `}
 422 end
 423
 424 #Base class for widgets which visualize an adjustment
 425 #@https://developer.gnome.org/gtk3/3.2/GtkRange.html
 426 extern class GtkRange `{GtkRange *`}
 427         super GtkWidget
 428
 429         #Gets the current position of the fill level indicator.
 430         fun fill_level : Float is extern `{
 431                 return gtk_range_get_fill_level( recv );
 432         `}
 433
 434         fun fill_level=( level : Float ) is extern `{
 435                 gtk_range_set_fill_level( recv, level );
 436         `}
 437
 438         #Gets whether the range is restricted to the fill level.
 439         fun restricted_to_fill_level : Bool is extern `{
 440                 return gtk_range_get_restrict_to_fill_level( recv );
 441         `}
 442
 443         fun restricted_to_fill_level=( restricted : Bool ) is extern `{
 444                 gtk_range_set_restrict_to_fill_level( recv, restricted );
 445         `}
 446
 447         #Gets whether the range displays the fill level graphically.
 448         fun show_fill_level : Bool is extern `{
 449                 return gtk_range_get_show_fill_level( recv );
 450         `}
 451
 452         fun show_fill_level=( is_displayed : Bool ) is extern `{
 453                 gtk_range_set_show_fill_level( recv, is_displayed );
 454         `}
 455
 456         fun adjustment : GtkAdjustment is extern `{
 457                 return gtk_range_get_adjustment( recv );
 458         `}
 459
 460         fun adjustment=( value : GtkAdjustment ) is extern `{
 461                 gtk_range_set_adjustment( recv, value );
 462         `}
 463
 464         fun inverted : Bool is extern `{
 465                 return gtk_range_get_inverted( recv );
 466         `}
 467
 468         fun inverted=( setting : Bool ) is extern `{
 469                 gtk_range_set_inverted( recv, setting );
 470         `}
 471
 472         fun value : Float is extern `{
 473                 return gtk_range_get_value( recv );
 474         `}
 475
 476         fun value=( val : Float ) is extern `{
 477                 gtk_range_set_value( recv, val );
 478         `}
 479
 480         fun set_increments( step : Float, page : Float ) is extern `{
 481                 gtk_range_set_increments( recv, step, page );
 482         `}
 483
 484         fun set_range( min : Float, max : Float ) is extern `{
 485                 gtk_range_set_range( recv, min, max );
 486         `}
 487
 488         fun round_digits : Int is extern `{
 489                 return gtk_range_get_round_digits( recv );
 490         `}
 491
 492         fun round_digits=( nb : Int ) is extern `{
 493                 gtk_range_set_round_digits( recv, nb );
 494         `}
 495
 496         fun size_fixed : Bool is extern `{
 497                 return gtk_range_get_slider_size_fixed( recv );
 498         `}
 499
 500         fun size_fixed=( is_fixed : Bool ) is extern `{
 501                 return gtk_range_set_slider_size_fixed( recv, is_fixed );
 502         `}
 503
 504         fun flippable : Bool is extern `{
 505                 return gtk_range_get_flippable( recv );
 506         `}
 507
 508         fun min_size=( is_flippable : Bool ) is extern `{
 509                 return gtk_range_set_flippable( recv, is_flippable );
 510         `}
 511
 512         fun min_slider_size : Int is extern `{
 513                 return gtk_range_get_min_slider_size( recv );
 514         `}
 515
 516         fun min_slider_size=( size : Int ) is extern `{
 517                 return gtk_range_set_min_slider_size( recv, size );
 518         `}
 519 end
 520
 521 #A slider widget for selecting a value from a range
 522 #@https://developer.gnome.org/gtk3/3.2/GtkScale.html
 523 extern class GtkScale `{GtkScale *`}
 524         super GtkRange
 525
 526         new ( orientation : GtkOrientation, adjustment : GtkAdjustment ) is extern `{
 527                 return (GtkScale *)gtk_scale_new( orientation, adjustment );
 528         `}
 529
 530         new with_range ( orientation : GtkOrientation, min : Float, max : Float, step : Float ) is extern `{
 531                 return (GtkScale *)gtk_scale_new_with_range( orientation, min, max, step );
 532         `}
 533
 534         fun digits : Int is extern `{
 535                 return gtk_scale_get_digits( recv );
 536         `}
 537
 538         fun digits=( nb_digits : Int ) is extern `{
 539                 gtk_scale_set_digits( recv, nb_digits );
 540         `}
 541
 542         fun draw_value : Bool is extern `{
 543                 return gtk_scale_get_draw_value( recv );
 544         `}
 545
 546         fun draw_value=( is_displayed : Bool ) is extern `{
 547                 gtk_scale_set_draw_value( recv, is_displayed );
 548         `}
 549
 550         fun value_position : GtkPositionType is extern `{
 551                 return gtk_scale_get_value_pos( recv );
 552         `}
 553
 554         fun value_position=( pos : GtkPositionType ) is extern `{
 555                 gtk_scale_set_value_pos( recv, pos );
 556         `}
 557
 558         fun has_origin : Bool is extern `{
 559                 return gtk_scale_get_has_origin( recv );
 560         `}
 561
 562         fun has_origin=( orig : Bool ) is extern `{
 563                 gtk_scale_set_has_origin( recv, orig );
 564         `}
 565
 566         fun add_mark( value : Float, position : GtkPositionType, markup : String ) is extern import String.to_cstring`{
 567                 gtk_scale_add_mark( recv, value, position, String_to_cstring( markup ) );
 568         `}
 569
 570         #Removes any marks that have been added with gtk_scale_add_mark().
 571         fun clear_marks is extern `{
 572                 gtk_scale_clear_marks( recv );
 573         `}
 574
 575         #get layout
 576         #get layout offsets
 577
 578 end
 579
 580 #A scrollbar
 581 #@https://developer.gnome.org/gtk3/3.2/GtkScrollbar.html
 582 extern class GtkScrollbar `{GtkScrollbar *`}
 583         super GtkRange
 584
 585                 new ( orientation : GtkOrientation, adjustment : GtkAdjustment ) is extern `{
 586                 return (GtkScrollbar *)gtk_scrollbar_new( orientation, adjustment );
 587         `}
 588 end
 589
 590 #A widget that displays a small to medium amount of text
 591 #@https://developer.gnome.org/gtk3/3.2/GtkLabel.html
 592 extern class GtkLabel `{GtkLabel *`}
 593         super GtkMisc
 594
 595         # Create a GtkLabel with text
 596         new ( text : String ) is extern import String.to_cstring `{
 597                 return (GtkLabel*)gtk_label_new( String_to_cstring( text ) );
 598         `}
 599
 600         # Set the text of the label
 601         fun text=( text : String ) import String.to_cstring `{
 602                 gtk_label_set_text( recv, String_to_cstring( text ) );
 603         `}
 604
 605         # Returns the text of the label
 606         fun text : String import NativeString.to_s `{
 607                 return NativeString_to_s( (char*)gtk_label_get_text( recv ) );
 608         `}
 609
 610         # Sets the angle of rotation for the label.
 611         # An angle of 90 reads from from bottom to top, an angle of 270, from top to bottom.
 612         fun angle=( degre : Float ) `{
 613                 gtk_label_set_angle( recv, degre );
 614         `}
 615
 616         # Returns the angle of rotation for the label.
 617         fun angle : Float `{
 618                 return gtk_label_get_angle( recv );
 619         `}
 620
 621 end
 622
 623 #A widget displaying an image
 624 #@https://developer.gnome.org/gtk3/3.2/GtkImage.html
 625 extern class GtkImage `{GtkImage *`}
 626         super GtkMisc
 627
 628         # Create a GtkImage
 629         new is extern `{
 630                 return (GtkImage*)gtk_image_new( );
 631         `}
 632
 633         # Create a GtkImage with text
 634         new file( filename : String ) is extern import String.to_cstring `{
 635                 return (GtkImage*)gtk_image_new_from_file( String_to_cstring( filename ) );
 636         `}
 637
 638         fun pixel_size : Int is extern `{
 639                 return gtk_image_get_pixel_size( recv );
 640         `}
 641
 642         fun pixel_size=( size : Int) is extern `{
 643                 gtk_image_set_pixel_size( recv, size );
 644         `}
 645
 646         fun clear is extern `{
 647                 gtk_image_clear( recv );
 648         `}
 649 end
 650
 651 #enum GtkImageType
 652 #Describes the image data representation used by a GtkImage.
 653 #@https://developer.gnome.org/gtk3/3.2/GtkImage.html#GtkImageType
 654 extern class GtkImageType `{GtkImageType`}
 655         # There is no image displayed by the widget.
 656         new empty `{ return GTK_IMAGE_EMPTY; `}
 657
 658         # The widget contains a GdkPixbuf.
 659         new pixbuf `{ return GTK_IMAGE_PIXBUF; `}
 660
 661         # The widget contains a stock icon name.
 662         new stock `{ return GTK_IMAGE_STOCK; `}
 663
 664         # The widget contains a GtkIconSet.
 665         new icon_set `{ return GTK_IMAGE_ICON_SET; `}
 666
 667         # The widget contains a GdkPixbufAnimation.
 668         new animation `{ return GTK_IMAGE_ANIMATION; `}
 669
 670         # The widget contains a named icon.
 671         new icon_name `{ return GTK_IMAGE_ICON_NAME; `}
 672
 673         # The widget contains a GIcon.
 674         new gicon `{ return GTK_IMAGE_GICON; `}
 675 end
 676
 677 #Displays an arrow
 678 #@https://developer.gnome.org/gtk3/3.2/GtkArrow.html
 679 extern class GtkArrow `{GtkArrow *`}
 680         super GtkMisc
 681
 682         new ( arrow_type : GtkArrowType, shadow_type : GtkShadowType ) is extern `{
 683                 return (GtkArrow *)gtk_arrow_new( arrow_type, shadow_type );
 684         `}
 685
 686         fun set( arrow_type : GtkArrowType, shadow_type : GtkShadowType ) is extern `{
 687                 gtk_arrow_set( recv, arrow_type, shadow_type );
 688         `}
 689 end
 690
 691 #A widget that emits a signal when clicked on
 692 #@https://developer.gnome.org/gtk3/stable/GtkButton.html
 693 extern class GtkButton `{GtkButton *`}
 694         super GtkBin
 695
 696         new is extern `{
 697                 return (GtkButton *)gtk_button_new(  );
 698         `}
 699
 700         #Create a GtkButton with text
 701         new with_label( text : String ) is extern import String.to_cstring `{
 702                 return (GtkButton *)gtk_button_new_with_label( String_to_cstring( text ) );
 703         `}
 704
 705         new from_stock( stock_id : String ) is extern import String.to_cstring `{
 706                 return (GtkButton *)gtk_button_new_from_stock( String_to_cstring( stock_id ) );
 707         `}
 708
 709         fun text : String is extern `{
 710                 return NativeString_to_s( (char *)gtk_button_get_label( recv ) );
 711         `}
 712
 713         fun text=( value : String ) is extern import String.to_cstring`{
 714                 gtk_button_set_label( recv, String_to_cstring( value ) );
 715         `}
 716
 717         fun on_click( to_call : GtkCallable, user_data : nullable Object ) do
 718                         signal_connect( "clicked", to_call, user_data )
 719         end
 720
 721 end
 722
 723 #A button which pops up a scale
 724 #@https://developer.gnome.org/gtk3/stable/GtkScaleButton.html
 725 extern class GtkScaleButton `{GtkScaleButton *`}
 726         super GtkButton
 727
 728         #const gchar **icons
 729         new( size: GtkIconSize, min: Float, max: Float, step: Float ) is extern `{
 730                 return (GtkScaleButton *)gtk_scale_button_new( size, min, max, step, (const char **)0 );
 731         `}
 732 end
 733
 734 #Create buttons bound to a URL
 735 #@https://developer.gnome.org/gtk3/stable/GtkLinkButton.html
 736 extern class GtkLinkButton `{GtkLinkButton *`}
 737         super GtkButton
 738
 739         new( uri: String ) is extern import String.to_cstring `{
 740                 return (GtkLinkButton *)gtk_link_button_new( String_to_cstring(uri) );
 741         `}
 742 end
 743
 744 #A container which can hide its child
 745 #https://developer.gnome.org/gtk3/stable/GtkExpander.html
 746 extern class GtkExpander `{GtkExpander *`}
 747         super GtkBin
 748
 749         new( lbl : String) is extern import String.to_cstring`{
 750                 return (GtkExpander *)gtk_expander_new( String_to_cstring( lbl ) );
 751         `}
 752
 753         new with_mnemonic( lbl : String) is extern import String.to_cstring`{
 754                 return (GtkExpander *)gtk_expander_new_with_mnemonic(String_to_cstring( lbl ));
 755         `}
 756
 757         fun expanded : Bool is extern `{
 758                 return gtk_expander_get_expanded( recv );
 759         `}
 760
 761         fun expanded=( is_expanded : Bool ) is extern `{
 762                 gtk_expander_set_expanded( recv, is_expanded );
 763         `}
 764
 765         fun spacing : Int is extern `{
 766                 return gtk_expander_get_spacing( recv );
 767         `}
 768
 769         fun spacing=( pixels : Int ) is extern `{
 770                 gtk_expander_set_spacing( recv, pixels );
 771         `}
 772
 773         fun label_text : String is extern `{
 774                 return NativeString_to_s( (char *)gtk_expander_get_label( recv ) );
 775         `}
 776
 777         fun label_text=( lbl : String ) is extern import String.to_cstring`{
 778                 gtk_expander_set_label( recv, String_to_cstring( lbl ) );
 779         `}
 780
 781         fun use_underline : Bool is extern `{
 782                 return gtk_expander_get_use_underline( recv );
 783         `}
 784
 785         fun use_underline=( used : Bool) is extern `{
 786                 gtk_expander_set_use_underline( recv, used );
 787         `}
 788
 789         fun use_markup : Bool is extern `{
 790                 return gtk_expander_get_use_markup( recv );
 791         `}
 792
 793         fun use_markup=( used : Bool) is extern `{
 794                  gtk_expander_set_use_markup( recv, used );
 795         `}
 796
 797         fun label_widget : GtkWidget is extern `{
 798                 return gtk_expander_get_label_widget( recv );
 799         `}
 800
 801         fun label_widget=( widget : GtkWidget ) is extern `{
 802                 gtk_expander_set_label_widget( recv, widget );
 803         `}
 804
 805         fun label_fill : Bool is extern `{
 806                 return gtk_expander_get_label_fill( recv );
 807         `}
 808
 809         fun label_fill=( fill : Bool ) is extern `{
 810                 gtk_expander_set_label_fill( recv, fill );
 811         `}
 812
 813         fun resize_toplevel : Bool is extern `{
 814                 return gtk_expander_get_resize_toplevel( recv );
 815         `}
 816
 817         fun resize_toplevel=( resize : Bool ) is extern `{
 818                 gtk_expander_set_resize_toplevel( recv, resize );
 819         `}
 820
 821 end
 822
 823 #An abstract class for laying out GtkCellRenderers
 824 #@https://developer.gnome.org/gtk3/stable/GtkCellArea.html
 825 extern class GtkComboBox `{GtkComboBox *`}
 826         super GtkBin
 827
 828         new is extern `{
 829                 return (GtkComboBox *)gtk_combo_box_new( );
 830         `}
 831
 832         new with_entry is extern `{
 833                 return (GtkComboBox *)gtk_combo_box_new_with_entry( );
 834         `}
 835
 836         new with_model( model : GtkTreeModel ) is extern `{
 837                 return (GtkComboBox *)gtk_combo_box_new_with_model( model );
 838         `}
 839
 840         new with_model_and_entry( model : GtkTreeModel ) is extern `{
 841                 return (GtkComboBox *)gtk_combo_box_new_with_model_and_entry( model );
 842         `}
 843
 844         new with_area( area : GtkCellArea ) is extern `{
 845                 return (GtkComboBox *)gtk_combo_box_new_with_area( area );
 846         `}
 847
 848         new with_area_and_entry( area : GtkCellArea ) is extern `{
 849                 return (GtkComboBox *)gtk_combo_box_new_with_area_and_entry( area );
 850         `}
 851
 852         fun wrap_width : Int is extern `{
 853                 return gtk_combo_box_get_wrap_width( recv );
 854         `}
 855
 856         fun wrap_width=( width : Int ) is extern `{
 857                 gtk_combo_box_set_wrap_width( recv, width );
 858         `}
 859
 860         fun row_span_col : Int is extern `{
 861                 return gtk_combo_box_get_row_span_column( recv );
 862         `}
 863
 864         fun row_span_col=( row_span : Int ) is extern `{
 865                 gtk_combo_box_set_row_span_column( recv, row_span );
 866         `}
 867
 868         fun col_span_col : Int is extern `{
 869                 return gtk_combo_box_get_column_span_column( recv );
 870         `}
 871
 872         fun col_span_col=( col_span : Int ) is extern `{
 873                 gtk_combo_box_set_column_span_column( recv, col_span );
 874         `}
 875
 876         fun active_item : Int is extern `{
 877                 return gtk_combo_box_get_active( recv );
 878         `}
 879
 880         fun active_item=( active : Int ) is extern `{
 881                 gtk_combo_box_set_active( recv, active );
 882         `}
 883
 884         #fun active_iter : GtkTreeIter is extern `{
 885         #`}
 886         #
 887         #fun active_iter=( active : Bool ) is extern `{
 888         #`}
 889
 890         fun column_id : Int is extern `{
 891                 return gtk_combo_box_get_id_column( recv );
 892         `}
 893
 894         fun column_id=( id_column : Int ) is extern `{
 895                 gtk_combo_box_set_id_column( recv, id_column );
 896         `}
 897
 898         fun active_id : String is extern `{
 899                 return NativeString_to_s( (char *)gtk_combo_box_get_active_id( recv ) );
 900         `}
 901
 902         fun active_id=( id_active : String ) is extern import String.to_cstring`{
 903                 gtk_combo_box_set_active_id( recv, String_to_cstring( id_active ) );
 904         `}
 905
 906         fun model : GtkTreeModel is extern `{
 907                 return gtk_combo_box_get_model( recv );
 908         `}
 909
 910         fun model=( model : GtkTreeModel ) is extern `{
 911                 gtk_combo_box_set_model( recv, model );
 912         `}
 913
 914         fun popup is extern `{
 915                 gtk_combo_box_popup( recv );
 916         `}
 917
 918         fun popdown is extern `{
 919                 gtk_combo_box_popdown( recv );
 920         `}
 921
 922         fun title : String is extern`{
 923                 return NativeString_to_s( (char *)gtk_combo_box_get_title( recv ) );
 924         `}
 925
 926         fun title=( t : String ) is extern import String.to_cstring `{
 927                 gtk_combo_box_set_title( recv, String_to_cstring( t ) );
 928         `}
 929
 930         fun has_entry : Bool is extern `{
 931                 return gtk_combo_box_get_has_entry( recv );
 932         `}
 933
 934         fun with_fixed : Bool is extern `{
 935                 return gtk_combo_box_get_popup_fixed_width( recv );
 936         `}
 937
 938         fun with_fixed=( fixed : Bool ) is extern `{
 939                 gtk_combo_box_set_popup_fixed_width( recv, fixed );
 940         `}
 941 end
 942
 943 #Show a spinner animation
 944 #@https://developer.gnome.org/gtk3/3.2/GtkSpinner.html
 945 extern class GtkSpinner `{GtkSpinner *`}
 946         super GtkWidget
 947
 948         new is extern `{
 949                  return (GtkSpinner *)gtk_spinner_new();
 950         `}
 951
 952         fun start is extern `{
 953                 return gtk_spinner_start( recv );
 954         `}
 955
 956         fun stop is extern `{
 957                 return gtk_spinner_stop( recv );
 958         `}
 959 end
 960
 961 #A "light switch" style toggle
 962 #@https://developer.gnome.org/gtk3/3.2/GtkSwitch.html
 963 extern class GtkSwitch `{GtkSwitch *`}
 964         super GtkWidget
 965
 966         new is extern `{
 967                  return (GtkSwitch *)gtk_switch_new();
 968         `}
 969
 970         fun active : Bool is extern `{
 971                 return gtk_switch_get_active( recv );
 972         `}
 973
 974         fun active=( is_active : Bool ) is extern `{
 975                 return gtk_switch_set_active( recv, is_active );
 976         `}
 977 end
 978
 979
 980 #A widget which controls the alignment and size of its child
 981 #https://developer.gnome.org/gtk3/stable/GtkAlignment.html
 982 extern class GtkAlignment `{GtkAlignment *`}
 983         super GtkBin
 984
 985         new ( xalign : Float, yalign : Float, xscale : Float, yscale : Float ) is extern `{
 986                 return (GtkAlignment *)gtk_alignment_new( xalign, yalign, xscale, yscale );
 987         `}
 988
 989         fun set ( xalign : Float, yalign : Float, xscale : Float, yscale : Float ) is extern `{
 990                 gtk_alignment_set( recv, xalign, yalign, xscale, yscale );
 991         `}
 992
 993         #get_padding
 994         #set_padding
 995 end
 996
 997 #A representation of an adjustable bounded value
 998 #@https://developer.gnome.org/gtk3/stable/GtkAdjustment.html#GtkAdjustment.description
 999 extern class GtkAdjustment `{GtkAdjustment *`}
1000
1001 end
1002
1003 extern class GdkColor `{GdkColor*`}
1004         new is extern `{
1005                 GdkColor * col = malloc(sizeof(GdkColor));
1006                 /*gdk_color_parse( "red", recv );*/
1007                 gdk_color_parse( "red", col);
1008                 return col;
1009         `}
1010 end
1011
1012 extern class GdkRGBA `{GdkRGBA*`}
1013         new is extern `{
1014         `}
1015 end
1016