From 6e1a9db2647493126e524ad15439c56c205fba53 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Sun, 12 Apr 2020 09:04:03 +0200
Subject: [PATCH] Also implement gwidget_hide()

---
 include/GToolkit/GWidget.h |  1 +
 src/common.h               |  3 ++-
 src/gwidget.c              | 15 +++++++++++++++
 src/gwindow.c              | 10 ++++++++++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/include/GToolkit/GWidget.h b/include/GToolkit/GWidget.h
index c3e34dc..2a10c33 100644
--- a/include/GToolkit/GWidget.h
+++ b/include/GToolkit/GWidget.h
@@ -39,6 +39,7 @@ typedef struct _GWidget GWidget;
 
 
 /* functions */
+void gwidget_hide(GWidget * gwidget);
 void gwidget_show(GWidget * gwidget);
 
 #endif /* !GTOOLKIT_GWIDGET_H */
diff --git a/src/common.h b/src/common.h
index b59de03..77c8651 100644
--- a/src/common.h
+++ b/src/common.h
@@ -40,7 +40,8 @@
 /* types */
 typedef enum _GWidgetHandler
 {
-	GWIDGET_HANDLER_SHOW = 0
+	GWIDGET_HANDLER_HIDE = 0,
+	GWIDGET_HANDLER_SHOW
 } GWidgetHandler;
 # define GWIDGET_HANDLER_LAST GWIDGET_HANDLER_SHOW
 # define GWIDGET_HANDLER_COUNT (GWIDGET_HANDLER_LAST + 1)
diff --git a/src/gwidget.c b/src/gwidget.c
index 2e26a0f..680ba11 100644
--- a/src/gwidget.c
+++ b/src/gwidget.c
@@ -46,6 +46,7 @@ struct _GWidget
 	void * self;
 
 	/* handlers */
+	GWidgetHandlerSelf handler_hide;
 	GWidgetHandlerSelf handler_show;
 };
 
@@ -61,6 +62,7 @@ GWidget * gwidget_new(void)
 		return NULL;
 	gwidget->gwidget = gwidget;
 	gwidget->self = NULL;
+	gwidget->handler_hide = NULL;
 	gwidget->handler_show = NULL;
 	return gwidget;
 }
@@ -82,6 +84,9 @@ void gwidget_set_handler(GWidget * gwidget, GWidgetHandler handler, ...)
 	va_start(ap, handler);
 	switch(handler)
 	{
+		case GWIDGET_HANDLER_HIDE:
+			gwidget->handler_hide = va_arg(ap, GWidgetHandlerSelf);
+			break;
 		case GWIDGET_HANDLER_SHOW:
 			gwidget->handler_show = va_arg(ap, GWidgetHandlerSelf);
 			break;
@@ -98,6 +103,16 @@ void gwidget_set_self(GWidget * gwidget, void * self)
 
 
 /* useful */
+/* gwidget_hide */
+void gwidget_hide(GWidget * gwidget)
+{
+	if(gwidget->gwidget != gwidget)
+		gwidget = gwidget->gwidget;
+	if(gwidget->handler_hide != NULL)
+		gwidget->handler_hide(gwidget->self);
+}
+
+
 /* gwidget_show */
 void gwidget_show(GWidget * gwidget)
 {
diff --git a/src/gwindow.c b/src/gwindow.c
index f7a28d0..066433a 100644
--- a/src/gwindow.c
+++ b/src/gwindow.c
@@ -55,6 +55,7 @@ struct _GWindow
 
 
 /* prototypes */
+static void _gwindow_hide(GWindow * gwindow);
 static void _gwindow_show(GWindow * gwindow);
 
 
@@ -77,6 +78,8 @@ GWindow * gwindow_new(void)
 		return NULL;
 	}
 	gwidget_set_self(gwindow->gwidget, gwindow);
+	gwidget_set_handler(gwindow->gwidget, GWIDGET_HANDLER_HIDE,
+			_gwindow_hide);
 	gwidget_set_handler(gwindow->gwidget, GWIDGET_HANDLER_SHOW,
 			_gwindow_show);
 	gwindow->title = NULL;
@@ -243,6 +246,13 @@ void gwindow_resize(GWindow * gwindow, int width, int height)
 
 /* private */
 /* functions */
+/* gwindow_hide */
+static void _gwindow_hide(GWindow * gwindow)
+{
+	XUnmapWindow(gtoolkit_get_display(), gwindow->window);
+}
+
+
 /* gwindow_show */
 static void _gwindow_show(GWindow * gwindow)
 	/* FIXME accept flags (focus...) */