From e9bd3b6d9cc97fd7c3fa8fc5e40fc9ef4cf0dd22 Mon Sep 17 00:00:00 2001
From: perry.werneck@gmail.com <perry.werneck@gmail.com@d25448e0-c022-0410-b998-a785f7053de0>
Date: Tue, 10 Apr 2012 18:23:37 +0000
Subject: [PATCH] Implementando avisos de estado

---
 src/gtk/v3270/accessible.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 src/gtk/v3270/accessible.h | 16 ++++++++++++++--
 src/gtk/v3270/oia.c        |  3 +++
 3 files changed, 104 insertions(+), 7 deletions(-)

diff --git a/src/gtk/v3270/accessible.c b/src/gtk/v3270/accessible.c
index 50baacb..7a3145e 100644
--- a/src/gtk/v3270/accessible.c
+++ b/src/gtk/v3270/accessible.c
@@ -73,7 +73,6 @@ G_DEFINE_TYPE_WITH_CODE (v3270Accessible, v3270_accessible, GTK_TYPE_ACCESSIBLE,
 
 /*--[ Implement ]------------------------------------------------------------------------------------*/
 
-/*
 static const gchar * v3270_accessible_get_description (AtkObject *accessible)
 {
 	GtkWidget *widget = gtk_accessible_get_widget(GTK_ACCESSIBLE (accessible));
@@ -83,16 +82,15 @@ static const gchar * v3270_accessible_get_description (AtkObject *accessible)
 
 	return _( "3270 screen" );
 }
-*/
 
 static void v3270_accessible_class_init(v3270AccessibleClass *klass)
 {
 	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
 
-//	class->get_description = v3270_accessible_get_description;
+	class->get_description = v3270_accessible_get_description;
 
 /*
-
+	class->focus_event = gtk_widget_accessible_focus_event;
 
 	klass->notify_gtk = gtk_widget_accessible_notify_gtk;
 
@@ -274,7 +272,7 @@ static void v3270_accessible_get_character_extents(	AtkText      *text,
 	*width      = widget->metrics.width;
 	*height     = widget->metrics.height+widget->metrics.descent;
 
-	if (coords == ATK_XY_WINDOW)
+	if(coords == ATK_XY_WINDOW)
 	{
 		// Correct position based on toplevel
 		window = gdk_window_get_toplevel(window);
@@ -552,3 +550,87 @@ static void atk_component_interface_init(AtkComponentIface *iface)
 */
 }
 
+void v3270_acessible_set_state(GtkAccessible *obj, LIB3270_MESSAGE id)
+{
+	#ifdef DEBUG
+		#define STATE_MESSAGE(x,c) { #x, x, c }
+	#else
+		#define STATE_MESSAGE(x,c) { x, c }
+	#endif
+
+	static const struct _state
+	{
+	#ifdef DEBUG
+		const gchar		* dbg;
+	#endif
+		AtkStateType	  atkstate;
+		V3270_STATE		  flag;
+	} table[] =
+	{
+		STATE_MESSAGE(ATK_STATE_BUSY,			V3270_STATE_BUSY			),
+		STATE_MESSAGE(ATK_STATE_EDITABLE,		V3270_STATE_EDITABLE		),
+		STATE_MESSAGE(ATK_STATE_ENABLED,		V3270_STATE_ENABLED			),
+		STATE_MESSAGE(ATK_STATE_INVALID_ENTRY,	V3270_STATE_INVALID_ENTRY	),
+	};
+
+	V3270_STATE state = GTK_V3270_ACCESSIBLE(obj)->state;
+	V3270_STATE bits;
+	int			f;
+
+	switch(id)
+	{
+	case LIB3270_MESSAGE_NONE:
+		state = V3270_STATE_EDITABLE|V3270_STATE_ENABLED;
+		break;
+
+	case LIB3270_MESSAGE_SYSWAIT:
+	case LIB3270_MESSAGE_TWAIT:
+	case LIB3270_MESSAGE_RESOLVING:
+	case LIB3270_MESSAGE_CONNECTING:
+		state = V3270_STATE_BUSY;
+		break;
+
+	case LIB3270_MESSAGE_CONNECTED:
+	case LIB3270_MESSAGE_AWAITING_FIRST:
+		state = V3270_STATE_ENABLED;
+		break;
+
+	case LIB3270_MESSAGE_DISCONNECTED:
+		state = 0;
+		break;
+
+	case LIB3270_MESSAGE_MINUS:
+	case LIB3270_MESSAGE_INHIBIT:
+	case LIB3270_MESSAGE_X:
+		break;
+
+	case LIB3270_MESSAGE_PROTECTED:
+	case LIB3270_MESSAGE_NUMERIC:
+	case LIB3270_MESSAGE_OVERFLOW:
+	case LIB3270_MESSAGE_KYBDLOCK:
+		state = V3270_STATE_INVALID_ENTRY|V3270_STATE_EDITABLE|V3270_STATE_ENABLED;
+		break;
+
+	}
+
+	if(state == GTK_V3270_ACCESSIBLE(obj)->state)
+		return;
+
+	bits = GTK_V3270_ACCESSIBLE(obj)->state ^ state;
+
+	trace("State change from %04x to %04x (bits=%04x)",
+				GTK_V3270_ACCESSIBLE(obj)->state,
+				state, bits );
+
+	for(f=0;f<G_N_ELEMENTS(table);f++)
+	{
+		if(bits & table[f].flag)
+		{
+			trace("State %s is %s",table[f].dbg,(state & table[f].flag) ? "Yes" : "No");
+			atk_object_notify_state_change(ATK_OBJECT(obj),table[f].atkstate,(state & table[f].flag) ? TRUE : FALSE);
+		}
+	}
+
+	GTK_V3270_ACCESSIBLE(obj)->state = state;
+}
+
diff --git a/src/gtk/v3270/accessible.h b/src/gtk/v3270/accessible.h
index b679d9f..380ce73 100644
--- a/src/gtk/v3270/accessible.h
+++ b/src/gtk/v3270/accessible.h
@@ -41,11 +41,22 @@ G_BEGIN_DECLS
 typedef struct _v3270Accessible      v3270Accessible;
 typedef struct _v3270AccessibleClass v3270AccessibleClass;
 
+typedef enum _v3270_state
+{
+	V3270_STATE_NONE			= 0x0000,
+	V3270_STATE_EDITABLE		= 0x0001,
+	V3270_STATE_BUSY			= 0x0002,
+	V3270_STATE_ENABLED			= 0x0004,
+	V3270_STATE_INVALID_ENTRY	= 0x0008,
+
+} V3270_STATE;
+
 struct _v3270Accessible
 {
-  GtkAccessible parent;
+	GtkAccessible	parent;
+	V3270_STATE		state;
 
-  AtkLayer layer;
+//	AtkLayer	layer;
 };
 
 struct _v3270AccessibleClass
@@ -57,5 +68,6 @@ struct _v3270AccessibleClass
 
 GType v3270_accessible_get_type(void);
 
+void v3270_acessible_set_state(GtkAccessible *obj, LIB3270_MESSAGE id);
 
 G_END_DECLS
diff --git a/src/gtk/v3270/oia.c b/src/gtk/v3270/oia.c
index 2b9c6f2..f14c2cb 100644
--- a/src/gtk/v3270/oia.c
+++ b/src/gtk/v3270/oia.c
@@ -652,6 +652,9 @@ void v3270_update_message(v3270 *widget, LIB3270_MESSAGE id)
     cairo_destroy(cr);
 
 	gtk_widget_queue_draw_area(GTK_WIDGET(widget),rect->x,rect->y,rect->width,rect->height);
+
+	if(widget->accessible)
+		v3270_acessible_set_state(widget->accessible,id);
 }
 
 static void draw_cursor_position(cairo_t *cr, GdkRectangle *rect, struct v3270_metrics *metrics, int row, int col)
--
libgit2 0.21.2