# This file is part of NIT ( http://www.nitlanguage.org ).
#
-# Copyright 2011-2013 Alexis Laferrière <alexis.laf@xymus.net>
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# See the License for the specific language governing permissions and
# limitations under the License.
-# Classes and services to use libGTK widgets
+# GTK+ widgets and services
+#
+# By default provides services from GTK+ v3.4.
+# Newer features from v3.6 and v3.8 are available in the submodules v3_6 and v3_8 respectively.
module gtk
-in "C Header" `{
- #include <gtk/gtk.h>
-`}
-
-`{
- /* callback user data */
- typedef struct {
- GtkCallable to_call;
- nullable_Object user_data;
- } NitGtkSignal;
-
- void nit_gtk_callback_func( GtkWidget *widget,
- gpointer callback_data ) {
- NitGtkSignal *data;
- data = (NitGtkSignal*)callback_data;
- GtkCallable_signal( data->to_call, widget, data->user_data );
- }
-`}
-
-redef interface Object
- protected fun init_gtk `{ gtk_init( 0, NULL ); `}
- protected fun run_gtk `{ gtk_main(); `}
- protected fun quit_gtk `{ gtk_main_quit(); `}
-end
-
-interface GtkCallable
- # return true to stop event processing, false to let it propagate
- fun signal( sender : GtkWidget, user_data : nullable Object ) is abstract
-end
-
-extern GdkEvent `{GdkEvent *`}
-end
-
-
-#Base class for all widgets
-#@https://developer.gnome.org/gtk3/stable/GtkWidget.html
-extern GtkWidget `{GtkWidget *`}
- fun show_all is extern `{ gtk_widget_show_all( recv ); `}
-
- 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 `{
- NitGtkSignal *data = malloc( sizeof(NitGtkSignal) );
-
- GtkCallable_incr_ref( to_call );
- Object_incr_ref( user_data );
-
- data->to_call = to_call;
- data->user_data = user_data;
-
- /*Use G_CALLBACK() to cast the callback function to a GCallback*/
- g_signal_connect( recv,
- String_to_cstring( signal_name ),
- G_CALLBACK(nit_gtk_callback_func),
- data );
- `}
-
- redef fun == ( o ) do return o isa GtkWidget and equal_to_gtk_widget( o )
-
- private fun equal_to_gtk_widget( o : GtkWidget ) : Bool `{
- return recv == o;
- `}
-
- fun request_size( width, height : Int ) `{
- gtk_widget_set_size_request( recv, width, height );
- `}
-end
-
-#Base class for widgets which contain other widgets
-#@https://developer.gnome.org/gtk3/stable/GtkContainer.html
-extern GtkContainer `{GtkContainer *`}
- super GtkWidget
-
- fun add( widget : GtkWidget ) is extern `{
- gtk_container_add( recv, widget );
- `}
-end
-
-#A container with just one child
-#@https://developer.gnome.org/gtk3/stable/GtkBin.html
-extern GtkBin `{GtkBin *`}
- super GtkContainer
-
- fun child : GtkWidget is extern `{
- return gtk_bin_get_child( recv );
- `}
-end
-
-#Pack widgets in a rows and columns
-#@https://developer.gnome.org/gtk3/3.3/GtkGrid.html
-extern GtkGrid `{GtkGrid *`}
- super GtkContainer
-
- # Create a grid with a fixed number of rows and columns
- new ( rows : Int, columns : Int, homogeneous : Bool ) `{
- return (GtkGrid*)gtk_grid_new(); // rows, columns, homogeneous );
- `}
-
- # Set a widget child inside the grid at a given position
- fun attach( child : GtkWidget, left, top, width, height : Int ) `{
- gtk_grid_attach( recv, child, left, top, width, height );
- `}
-end
-
-#Toplevel which can contain other widgets
-#@https://developer.gnome.org/gtk3/stable/GtkWindow.html
-extern GtkWindow `{GtkWindow *`}
- super GtkBin
-
- new ( flag : Int ) is extern `{
- GtkWindow *win;
-
- win = GTK_WINDOW(gtk_window_new( flag ));
- g_signal_connect(win, "destroy", G_CALLBACK(gtk_main_quit), NULL);
- return win;
- `}
-
- fun title=( title : String ) is extern import String::to_cstring `{
- gtk_window_set_title( recv, String_to_cstring( title ) );
- `}
-
- #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.
- fun on_close( to_call : GtkCallable, user_data : nullable Object )
- do
- signal_connect( "destroy", to_call, user_data )
- end
-end
-
-extern GtkColorSelectionDialog
- super GtkWidget
- new ( title : String, parent : GtkWindow ) is extern import String::to_cstring `{
- return gtk_color_chooser_dialog_new( String_to_cstring( title ), parent );
- `}
-end
-
-#A widget that displays a small to medium amount of text
-#@https://developer.gnome.org/gtk3/3.2/GtkLabel.html
-extern GtkLabel `{GtkLabel*`}
- super GtkWidget
-
- # Create a GtkLabel with text
- new ( text : String ) is extern import String::to_cstring `{
- return (GtkLabel*)gtk_label_new( String_to_cstring( text ) );
- `}
-
- # Set the text of the label
- fun text=( text : String ) import String::to_cstring `{
- gtk_label_set_text( recv, String_to_cstring( text ) );
- `}
-
- # Returns the text of the label
- fun text : String import String::from_cstring `{
- return new_String_from_cstring( (char*)gtk_label_get_text( recv ) );
- `}
-end
-
-#A widget that emits a signal when clicked on
-#@https://developer.gnome.org/gtk3/stable/GtkButton.html
-extern GtkButton
- super GtkWidget
-
- new is extern `{
- return gtk_button_new( );
- `}
-
- #Create a GtkButton with text
- new with_label( text : String ) is extern import String::to_cstring `{
- return gtk_button_new_with_label( String_to_cstring( text ) );
- `}
-
- new from_stock( stock_id : String ) is extern import String::to_cstring `{
- return gtk_button_new_from_stock( String_to_cstring( stock_id ) );
- `}
-end
-
+import v3_4
nitlanguage / nit.git / blobdiff