Working in the internal data for "smart paste" action.

Perry Werneck
1 parent 5372ee82
Showing 5 changed files with 184 additions and 2 deletions Show diff stats
src/include/clipboard.h
src/selection/copy.c
src/selection/datablock.c
src/selection/linux/copy.c
v3270.cbp
@@ -45,14 +45,43 @@
 		CLIPBOARD_TYPE_TEXT,
 		CLIPBOARD_TYPE_CSV,
 		CLIPBOARD_TYPE_HTML,
+		CLIPBOARD_TYPE_V3270_UNPROTECTED
 	};
+	/// @brief Column from selection.
 	struct ColumnDescription
 	{
 		unsigned int begin;
 		unsigned int width;
 	};
+	/// @brief Selection data for sending to another application.
+	struct SelectionHeader
+	{
+		unsigned int length;		///< @brief Length of the data block.
+		unsigned int build;			///< @brief V3270 build id.
+	};
+
+	/// @brief Header of a list of fields.
+	struct SelectionBlockHeader
+	{
+		/// @brief Cursor address.
+		unsigned int cursor_address;
+
+		/// @brief Number of records;
+		unsigned int records;
+	};
+
+	/// @brief Header for a field prefix.
+	struct SelectionFieldHeader
+	{
+		/// @brief Field address.
+		unsigned short baddr;
+
+		/// @brief Field length.
+		unsigned short length;
+
+	};
 	G_GNUC_INTERNAL void		  v3270_update_system_clipboard(GtkWidget *widget);
 	G_GNUC_INTERNAL const char	* v3270_update_selected_text(GtkWidget *widget, gboolean cut);
@@ -63,6 +92,7 @@
 	G_GNUC_INTERNAL gchar		* v3270_get_copy_as_text(v3270 * terminal);
 	G_GNUC_INTERNAL gchar		* v3270_get_copy_as_html(v3270 * terminal);
 	G_GNUC_INTERNAL gchar		* v3270_get_copy_as_table(v3270 * terminal, const gchar *delimiter);
+	G_GNUC_INTERNAL gchar		* v3270_get_copy_as_data_block(v3270 * terminal);
 #endif // V3270_CLIPBOARD_H_INCLUDED
@@ -53,6 +53,14 @@
 	terminal->selection.format = format;
 	do_copy(terminal,cut);
+#ifdef DEBUG
+	{
+		// DEBUG DATA BLOCK
+		g_free(v3270_get_copy_as_data_block(terminal));
+	}
+
+#endif // DEBUG
+
 	v3270_update_system_clipboard(widget);
  }
@@ -0,0 +1,126 @@
+/*
+ * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270  e X3270
+ * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
+ * aplicativos mainframe. Registro no INPI sob o nome G3270.
+ *
+ * Copyright (C) <2008> <Banco do Brasil S.A.>
+ *
+ * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
+ * os termos da GPL v.2 - Licença Pública Geral  GNU,  conforme  publicado  pela
+ * Free Software Foundation.
+ *
+ * Este programa é distribuído na expectativa de  ser  útil,  mas  SEM  QUALQUER
+ * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou  de  ADEQUAÇÃO
+ * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
+ * obter mais detalhes.
+ *
+ * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
+ * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin
+ * St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Este programa está nomeado como - e possui - linhas de código.
+ *
+ * Contatos:
+ *
+ * perry.werneck@gmail.com	(Alexandre Perry de Souza Werneck)
+ * erico.mendonca@gmail.com	(Erico Mascarenhas Mendonça)
+ *
+ */
+
+ #include <clipboard.h>
+ #include <lib3270/selection.h>
+
+ #define ALLOCATION_BLOCK_LENGTH 4096
+
+/*--[ Implement ]------------------------------------------------------------------------------------*/
+
+/// @brief Get a list of all selected and unprotected contents.
+static GList * getUnprotected(const lib3270_selection *selection)
+{
+	GList * list = NULL;
+	unsigned int row;
+	const lib3270_selection_element * element = selection->contents;
+
+	for(row=0; row < selection->bounds.height; row++)
+	{
+		unsigned int col = 0;
+
+		// Find selected and unprotected entries.
+		while(col < selection->bounds.width)
+		{
+			if((element[col].attribute.visual & LIB3270_ATTR_SELECTED) && !(element[col].attribute.field & LIB3270_FIELD_ATTRIBUTE_PROTECT))
+			{
+				// Element is selected and not protected, get the length.
+				unsigned short start = col;
+				unsigned short length = 0;
+				while(col < selection->bounds.width)
+				{
+					if( !(element[col].attribute.visual & LIB3270_ATTR_SELECTED) || (element[col].attribute.field & LIB3270_FIELD_ATTRIBUTE_PROTECT))
+						break;
+
+					col++;
+					length++;
+				}
+
+				debug(
+					"Row:%u Col: %u Length: %u",
+					row + selection->bounds.row,
+					start + selection->bounds.col,
+					(unsigned int) length
+				);
+
+			}
+			else
+			{
+				col++;
+			}
+
+		}
+
+		element += selection->bounds.width;
+
+	}
+
+	return list;
+}
+
+gchar * v3270_get_copy_as_data_block(v3270 * terminal)
+{
+
+	GList					* element;
+	size_t					  szBlock = ALLOCATION_BLOCK_LENGTH + sizeof(struct SelectionHeader);
+	struct SelectionHeader	* header = (struct SelectionHeader *) g_malloc0(szBlock+1);
+
+	// Initialize header.
+	header->build 	= BUILD_DATE;
+	header->length	= sizeof(struct SelectionHeader);
+
+	// Insert elements.
+	for(element = terminal->selection.blocks; element; element = element->next)
+	{
+		lib3270_selection * block = ((lib3270_selection *) element->data);
+		size_t length = (block->bounds.height * block->bounds.width);
+
+		if( (header->length+length) >= szBlock )
+		{
+			szBlock += ALLOCATION_BLOCK_LENGTH + header->length + length;
+			header = (struct SelectionHeader *) g_realloc(header,szBlock+1);
+		}
+
+		// Setup block header
+		struct SelectionBlockHeader * blockheader = (struct SelectionBlockHeader *) (((unsigned char *) header) + header->length);
+		header->length += sizeof(* blockheader);
+
+		blockheader->cursor_address = block->cursor_address;
+		blockheader->records = 0;
+
+		// Get values.
+		GList * values = getUnprotected((const lib3270_selection *) element->data);
+
+
+		g_list_free_full(values,g_free);
+
+	}
+
+	return (gchar *) g_realloc((gpointer) header, header->length+1);
+}
@@ -90,6 +90,19 @@ static void clipboard_get(G_GNUC_UNUSED  GtkClipboard *clipboard, GtkSelectionDa
 		}
 		break;
+	case CLIPBOARD_TYPE_V3270_UNPROTECTED:
+		{
+			g_autofree gchar *data = v3270_get_copy_as_data_block(terminal);
+			gtk_selection_data_set(
+				selection,
+				gdk_atom_intern_static_string("application/x-v3270-unprotected"),
+				8,
+				(guchar *) data,
+				((struct SelectionHeader *) data)->length
+			);
+		}
+		break;
+
 	default:
 		g_warning("Unexpected clipboard type %d\n",target);
 	}
@@ -114,8 +127,9 @@ void v3270_update_system_clipboard(GtkWidget *widget)
 	// Reference: https://cpp.hotexamples.com/examples/-/-/g_list_insert_sorted/cpp-g_list_insert_sorted-function-examples.html
 	//
 	static const GtkTargetEntry internal_targets[] = {
-		{ "text/csv", 	0, CLIPBOARD_TYPE_CSV	},
-		{ "text/html",	0, CLIPBOARD_TYPE_HTML	}
+		{ "text/csv",					 		0, CLIPBOARD_TYPE_CSV				},
+		{ "text/html",							0, CLIPBOARD_TYPE_HTML				},
+		{ "application/x-v3270-unprotected",	0, CLIPBOARD_TYPE_V3270_UNPROTECTED	},
 	};
 	GtkTargetList 	* list = gtk_target_list_new(internal_targets, G_N_ELEMENTS(internal_targets));
@@ -153,3 +167,4 @@ void v3270_update_system_clipboard(GtkWidget *widget)
 	g_signal_emit(widget,v3270_widget_signal[V3270_SIGNAL_CLIPBOARD], 0, TRUE);
 }
+
@@ -146,6 +146,9 @@
 		<Unit filename="src/selection/copy.c">
 			<Option compilerVar="CC" />
 		</Unit>
+		<Unit filename="src/selection/datablock.c">
+			<Option compilerVar="CC" />
+		</Unit>
 		<Unit filename="src/selection/html.c">
 			<Option compilerVar="CC" />
 		</Unit>
	@@ -45,14 +45,43 @@		@@ -45,14 +45,43 @@
45	CLIPBOARD_TYPE_TEXT,	45	CLIPBOARD_TYPE_TEXT,
46	CLIPBOARD_TYPE_CSV,	46	CLIPBOARD_TYPE_CSV,
47	CLIPBOARD_TYPE_HTML,	47	CLIPBOARD_TYPE_HTML,
		48	+ CLIPBOARD_TYPE_V3270_UNPROTECTED
48	};	49	};
49		50
		51	+ /// @brief Column from selection.
50	struct ColumnDescription	52	struct ColumnDescription
51	{	53	{
52	unsigned int begin;	54	unsigned int begin;
53	unsigned int width;	55	unsigned int width;
54	};	56	};
55		57
		58	+ /// @brief Selection data for sending to another application.
		59	+ struct SelectionHeader
		60	+ {
		61	+ unsigned int length; ///< @brief Length of the data block.
		62	+ unsigned int build; ///< @brief V3270 build id.
		63	+ };
		64	+
		65	+ /// @brief Header of a list of fields.
		66	+ struct SelectionBlockHeader
		67	+ {
		68	+ /// @brief Cursor address.
		69	+ unsigned int cursor_address;
		70	+
		71	+ /// @brief Number of records;
		72	+ unsigned int records;
		73	+ };
		74	+
		75	+ /// @brief Header for a field prefix.
		76	+ struct SelectionFieldHeader
		77	+ {
		78	+ /// @brief Field address.
		79	+ unsigned short baddr;
		80	+
		81	+ /// @brief Field length.
		82	+ unsigned short length;
		83	+
		84	+ };
56		85
57	G_GNUC_INTERNAL void v3270_update_system_clipboard(GtkWidget *widget);	86	G_GNUC_INTERNAL void v3270_update_system_clipboard(GtkWidget *widget);
58	G_GNUC_INTERNAL const char * v3270_update_selected_text(GtkWidget *widget, gboolean cut);	87	G_GNUC_INTERNAL const char * v3270_update_selected_text(GtkWidget *widget, gboolean cut);
	@@ -63,6 +92,7 @@		@@ -63,6 +92,7 @@
63	G_GNUC_INTERNAL gchar * v3270_get_copy_as_text(v3270 * terminal);	92	G_GNUC_INTERNAL gchar * v3270_get_copy_as_text(v3270 * terminal);
64	G_GNUC_INTERNAL gchar * v3270_get_copy_as_html(v3270 * terminal);	93	G_GNUC_INTERNAL gchar * v3270_get_copy_as_html(v3270 * terminal);
65	G_GNUC_INTERNAL gchar * v3270_get_copy_as_table(v3270 * terminal, const gchar *delimiter);	94	G_GNUC_INTERNAL gchar * v3270_get_copy_as_table(v3270 * terminal, const gchar *delimiter);
		95	+ G_GNUC_INTERNAL gchar * v3270_get_copy_as_data_block(v3270 * terminal);
66		96
67	#endif // V3270_CLIPBOARD_H_INCLUDED	97	#endif // V3270_CLIPBOARD_H_INCLUDED
68		98
	@@ -53,6 +53,14 @@		@@ -53,6 +53,14 @@
53	terminal->selection.format = format;	53	terminal->selection.format = format;
54	do_copy(terminal,cut);	54	do_copy(terminal,cut);
55		55
		56	+#ifdef DEBUG
		57	+ {
		58	+ // DEBUG DATA BLOCK
		59	+ g_free(v3270_get_copy_as_data_block(terminal));
		60	+ }
		61	+
		62	+#endif // DEBUG
		63	+
56	v3270_update_system_clipboard(widget);	64	v3270_update_system_clipboard(widget);
57		65
58	}	66	}
@@ -0,0 +1,126 @@		@@ -0,0 +1,126 @@
	1	+/*
	2	+ * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270
	3	+ * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
	4	+ * aplicativos mainframe. Registro no INPI sob o nome G3270.
	5	+ *
	6	+ * Copyright (C) <2008> <Banco do Brasil S.A.>
	7	+ *
	8	+ * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
	9	+ * os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela
	10	+ * Free Software Foundation.
	11	+ *
	12	+ * Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER
	13	+ * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO
	14	+ * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
	15	+ * obter mais detalhes.
	16	+ *
	17	+ * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
	18	+ * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin
	19	+ * St, Fifth Floor, Boston, MA 02110-1301 USA
	20	+ *
	21	+ * Este programa está nomeado como - e possui - linhas de código.
	22	+ *
	23	+ * Contatos:
	24	+ *
	25	+ * perry.werneck@gmail.com (Alexandre Perry de Souza Werneck)
	26	+ * erico.mendonca@gmail.com (Erico Mascarenhas Mendonça)
	27	+ *
	28	+ */
	29	+
	30	+ #include <clipboard.h>
	31	+ #include <lib3270/selection.h>
	32	+
	33	+ #define ALLOCATION_BLOCK_LENGTH 4096
	34	+
	35	+/--[ Implement ]------------------------------------------------------------------------------------/
	36	+
	37	+/// @brief Get a list of all selected and unprotected contents.
	38	+static GList * getUnprotected(const lib3270_selection *selection)
	39	+{
	40	+ GList * list = NULL;
	41	+ unsigned int row;
	42	+ const lib3270_selection_element * element = selection->contents;
	43	+
	44	+ for(row=0; row < selection->bounds.height; row++)
	45	+ {
	46	+ unsigned int col = 0;
	47	+
	48	+ // Find selected and unprotected entries.
	49	+ while(col < selection->bounds.width)
	50	+ {
	51	+ if((element[col].attribute.visual & LIB3270_ATTR_SELECTED) && !(element[col].attribute.field & LIB3270_FIELD_ATTRIBUTE_PROTECT))
	52	+ {
	53	+ // Element is selected and not protected, get the length.
	54	+ unsigned short start = col;
	55	+ unsigned short length = 0;
	56	+ while(col < selection->bounds.width)
	57	+ {
	58	+ if( !(element[col].attribute.visual & LIB3270_ATTR_SELECTED) \|\| (element[col].attribute.field & LIB3270_FIELD_ATTRIBUTE_PROTECT))
	59	+ break;
	60	+
	61	+ col++;
	62	+ length++;
	63	+ }
	64	+
	65	+ debug(
	66	+ "Row:%u Col: %u Length: %u",
	67	+ row + selection->bounds.row,
	68	+ start + selection->bounds.col,
	69	+ (unsigned int) length
	70	+ );
	71	+
	72	+ }
	73	+ else
	74	+ {
	75	+ col++;
	76	+ }
	77	+
	78	+ }
	79	+
	80	+ element += selection->bounds.width;
	81	+
	82	+ }
	83	+
	84	+ return list;
	85	+}
	86	+
	87	+gchar * v3270_get_copy_as_data_block(v3270 * terminal)
	88	+{
	89	+
	90	+ GList * element;
	91	+ size_t szBlock = ALLOCATION_BLOCK_LENGTH + sizeof(struct SelectionHeader);
	92	+ struct SelectionHeader * header = (struct SelectionHeader *) g_malloc0(szBlock+1);
	93	+
	94	+ // Initialize header.
	95	+ header->build = BUILD_DATE;
	96	+ header->length = sizeof(struct SelectionHeader);
	97	+
	98	+ // Insert elements.
	99	+ for(element = terminal->selection.blocks; element; element = element->next)
	100	+ {
	101	+ lib3270_selection * block = ((lib3270_selection *) element->data);
	102	+ size_t length = (block->bounds.height * block->bounds.width);
	103	+
	104	+ if( (header->length+length) >= szBlock )
	105	+ {
	106	+ szBlock += ALLOCATION_BLOCK_LENGTH + header->length + length;
	107	+ header = (struct SelectionHeader *) g_realloc(header,szBlock+1);
	108	+ }
	109	+
	110	+ // Setup block header
	111	+ struct SelectionBlockHeader * blockheader = (struct SelectionBlockHeader ) (((unsigned char ) header) + header->length);
	112	+ header->length += sizeof(* blockheader);
	113	+
	114	+ blockheader->cursor_address = block->cursor_address;
	115	+ blockheader->records = 0;
	116	+
	117	+ // Get values.
	118	+ GList * values = getUnprotected((const lib3270_selection *) element->data);
	119	+
	120	+
	121	+ g_list_free_full(values,g_free);
	122	+
	123	+ }
	124	+
	125	+ return (gchar *) g_realloc((gpointer) header, header->length+1);
	126	+}
	@@ -90,6 +90,19 @@ static void clipboard_get(G_GNUC_UNUSED GtkClipboard *clipboard, GtkSelectionDa		@@ -90,6 +90,19 @@ static void clipboard_get(G_GNUC_UNUSED GtkClipboard *clipboard, GtkSelectionDa
90	}	90	}
91	break;	91	break;
92		92
		93	+ case CLIPBOARD_TYPE_V3270_UNPROTECTED:
		94	+ {
		95	+ g_autofree gchar *data = v3270_get_copy_as_data_block(terminal);
		96	+ gtk_selection_data_set(
		97	+ selection,
		98	+ gdk_atom_intern_static_string("application/x-v3270-unprotected"),
		99	+ 8,
		100	+ (guchar *) data,
		101	+ ((struct SelectionHeader *) data)->length
		102	+ );
		103	+ }
		104	+ break;
		105	+
93	default:	106	default:
94	g_warning("Unexpected clipboard type %d\n",target);	107	g_warning("Unexpected clipboard type %d\n",target);
95	}	108	}
	@@ -114,8 +127,9 @@ void v3270_update_system_clipboard(GtkWidget *widget)		@@ -114,8 +127,9 @@ void v3270_update_system_clipboard(GtkWidget *widget)
114	// Reference: https://cpp.hotexamples.com/examples/-/-/g_list_insert_sorted/cpp-g_list_insert_sorted-function-examples.html	127	// Reference: https://cpp.hotexamples.com/examples/-/-/g_list_insert_sorted/cpp-g_list_insert_sorted-function-examples.html
115	//	128	//
116	static const GtkTargetEntry internal_targets[] = {	129	static const GtkTargetEntry internal_targets[] = {
117	- { "text/csv", 0, CLIPBOARD_TYPE_CSV },
118	- { "text/html", 0, CLIPBOARD_TYPE_HTML }	130	+ { "text/csv", 0, CLIPBOARD_TYPE_CSV },
		131	+ { "text/html", 0, CLIPBOARD_TYPE_HTML },
		132	+ { "application/x-v3270-unprotected", 0, CLIPBOARD_TYPE_V3270_UNPROTECTED },
119	};	133	};
120		134
121	GtkTargetList * list = gtk_target_list_new(internal_targets, G_N_ELEMENTS(internal_targets));	135	GtkTargetList * list = gtk_target_list_new(internal_targets, G_N_ELEMENTS(internal_targets));
	@@ -153,3 +167,4 @@ void v3270_update_system_clipboard(GtkWidget *widget)		@@ -153,3 +167,4 @@ void v3270_update_system_clipboard(GtkWidget *widget)
153	g_signal_emit(widget,v3270_widget_signal[V3270_SIGNAL_CLIPBOARD], 0, TRUE);	167	g_signal_emit(widget,v3270_widget_signal[V3270_SIGNAL_CLIPBOARD], 0, TRUE);
154		168
155	}	169	}
		170	+