Renamed remmina in src and moved source files

1 files changed, 203 insertions, 0 deletions

diff --git a/src/remmina_scrolled_viewport.c b/src/remmina_scrolled_viewport.c
new file mode 100644
index 000000000..a4ffd4f9b
--- /dev/null
+++ b/src/remmina_scrolled_viewport.c
@@ -0,0 +1,203 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2009 - Vic Lee
+ * Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
+ * Copyright (C) 2016-2018 Antenore Gatta, Giovanni Panozzo
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include <gtk/gtk.h>
+#include "config.h"
+#include "remmina_scrolled_viewport.h"
+#include "remmina_pref.h"
+#include "remmina/remmina_trace_calls.h"
+
+G_DEFINE_TYPE( RemminaScrolledViewport, remmina_scrolled_viewport, GTK_TYPE_EVENT_BOX)
+
+static void remmina_scrolled_viewport_get_preferred_width(GtkWidget* widget, gint* minimum_width, gint* natural_width)
+{
+	TRACE_CALL(__func__);
+	/* Just return a fake small size, so gtk_window_fullscreen() will not fail
+	 * because our content is too big*/
+	if (minimum_width != NULL) *minimum_width = 100;
+	if (natural_width != NULL) *natural_width = 100;
+}
+
+static void remmina_scrolled_viewport_get_preferred_height(GtkWidget* widget, gint* minimum_height, gint* natural_height)
+{
+	TRACE_CALL(__func__);
+	/* Just return a fake small size, so gtk_window_fullscreen() will not fail
+	 * because our content is too big*/
+	if (minimum_height != NULL) *minimum_height = 100;
+	if (natural_height != NULL) *natural_height = 100;
+}
+
+/* Event handler when mouse move on borders */
+static gboolean remmina_scrolled_viewport_motion_timeout(gpointer data)
+{
+	TRACE_CALL(__func__);
+	RemminaScrolledViewport *gsv;
+	GtkWidget *child;
+	GdkDisplay *display;
+#if GTK_CHECK_VERSION(3, 20, 0)
+	GdkSeat *seat;
+#else
+	GdkDeviceManager *device_manager;
+#endif
+	GdkDevice *pointer;
+	GdkScreen *screen;
+	GdkWindow *gsvwin;
+	gint x, y, mx, my, w, h, rootx, rooty;
+	GtkAdjustment *adj;
+	gdouble value;
+
+	if (!REMMINA_IS_SCROLLED_VIEWPORT(data))
+		return FALSE;
+	if (!GTK_IS_BIN(data))
+		return FALSE;
+	gsv = REMMINA_SCROLLED_VIEWPORT(data);
+	if (!gsv->viewport_motion)
+		return FALSE;
+	child = gtk_bin_get_child(GTK_BIN(gsv));
+	if (!GTK_IS_VIEWPORT(child))
+		return FALSE;
+
+	gsvwin = gtk_widget_get_window(GTK_WIDGET(gsv));
+	if (!gsv)
+		return FALSE;
+
+	display = gdk_display_get_default();
+	if (!display)
+		return FALSE;
+#if GTK_CHECK_VERSION(3, 20, 0)
+	seat = gdk_display_get_default_seat(display);
+	pointer = gdk_seat_get_pointer(seat);
+#else
+	device_manager = gdk_display_get_device_manager(display);
+	pointer = gdk_device_manager_get_client_pointer(device_manager);
+#endif
+	gdk_device_get_position(pointer, &screen, &x, &y);
+
+	w = gdk_window_get_width(gsvwin) + 2;   // Add 2px of black scroll border
+	h = gdk_window_get_height(gsvwin) + 2;  // Add 2px of black scroll border
+
+	gdk_window_get_root_origin(gsvwin, &rootx, &rooty );
+
+	x -= rootx;
+	y -= rooty;
+
+	mx = (x == 0 ? -1 : (x >= w - 1 ? 1 : 0));
+	my = (y == 0 ? -1 : (y >= h - 1 ? 1 : 0));
+	if (mx != 0) {
+		gint step = MAX(10, MIN(remmina_pref.auto_scroll_step, w / 5));
+		adj = gtk_scrollable_get_hadjustment(GTK_SCROLLABLE(child));
+		value = gtk_adjustment_get_value(GTK_ADJUSTMENT(adj)) + (gdouble)(mx * step);
+		value = MAX(0, MIN(value, gtk_adjustment_get_upper(GTK_ADJUSTMENT(adj)) - (gdouble)w + 2.0));
+		gtk_adjustment_set_value(GTK_ADJUSTMENT(adj), value);
+	}
+	if (my != 0) {
+		gint step = MAX(10, MIN(remmina_pref.auto_scroll_step, h / 5));
+		adj = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(child));
+		value = gtk_adjustment_get_value(GTK_ADJUSTMENT(adj)) + (gdouble)(my * step);
+		value = MAX(0, MIN(value, gtk_adjustment_get_upper(GTK_ADJUSTMENT(adj)) - (gdouble)h + 2.0));
+		gtk_adjustment_set_value(GTK_ADJUSTMENT(adj), value);
+	}
+	return TRUE;
+}
+
+static gboolean remmina_scrolled_viewport_enter(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
+{
+	TRACE_CALL(__func__);
+	remmina_scrolled_viewport_remove_motion(REMMINA_SCROLLED_VIEWPORT(widget));
+	return FALSE;
+}
+
+static gboolean remmina_scrolled_viewport_leave(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
+{
+	TRACE_CALL(__func__);
+	RemminaScrolledViewport *gsv = REMMINA_SCROLLED_VIEWPORT(widget);
+	gsv->viewport_motion = TRUE;
+	gsv->viewport_motion_handler = g_timeout_add(20, remmina_scrolled_viewport_motion_timeout, gsv);
+	return FALSE;
+}
+
+static void remmina_scrolled_viewport_destroy(GtkWidget *widget, gpointer data)
+{
+	TRACE_CALL(__func__);
+	remmina_scrolled_viewport_remove_motion(REMMINA_SCROLLED_VIEWPORT(widget));
+}
+
+static void remmina_scrolled_viewport_class_init(RemminaScrolledViewportClass *klass)
+{
+	TRACE_CALL(__func__);
+	GtkWidgetClass *widget_class;
+	widget_class = (GtkWidgetClass*)klass;
+
+	widget_class->get_preferred_width = remmina_scrolled_viewport_get_preferred_width;
+	widget_class->get_preferred_height = remmina_scrolled_viewport_get_preferred_height;
+
+}
+
+static void remmina_scrolled_viewport_init(RemminaScrolledViewport *gsv)
+{
+	TRACE_CALL(__func__);
+}
+
+void remmina_scrolled_viewport_remove_motion(RemminaScrolledViewport *gsv)
+{
+	TRACE_CALL(__func__);
+	if (gsv->viewport_motion) {
+		gsv->viewport_motion = FALSE;
+		g_source_remove(gsv->viewport_motion_handler);
+		gsv->viewport_motion_handler = 0;
+	}
+}
+
+GtkWidget*
+remmina_scrolled_viewport_new(void)
+{
+	TRACE_CALL(__func__);
+	RemminaScrolledViewport *gsv;
+
+	gsv = REMMINA_SCROLLED_VIEWPORT(g_object_new(REMMINA_TYPE_SCROLLED_VIEWPORT, NULL));
+
+	gsv->viewport_motion = FALSE;
+	gsv->viewport_motion_handler = 0;
+
+	gtk_widget_set_size_request(GTK_WIDGET(gsv), 1, 1);
+	gtk_widget_add_events(GTK_WIDGET(gsv), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+	g_signal_connect(G_OBJECT(gsv), "destroy", G_CALLBACK(remmina_scrolled_viewport_destroy), NULL);
+	g_signal_connect(G_OBJECT(gsv), "enter-notify-event", G_CALLBACK(remmina_scrolled_viewport_enter), NULL);
+	g_signal_connect(G_OBJECT(gsv), "leave-notify-event", G_CALLBACK(remmina_scrolled_viewport_leave), NULL);
+
+	return GTK_WIDGET(gsv);
+}
+