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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2016-2020 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 "rdp_plugin.h"
#include "rdp_monitor.h"
/** @ToDo Utility functions should be moved somewhere else */
gint remmina_rdp_utils_strpos(const gchar *haystack, const gchar *needle)
{
TRACE_CALL(__func__);
const gchar *sub;
if (!*needle)
return -1;
sub = strstr(haystack, needle);
if (!sub)
return -1;
return sub - haystack;
}
/* https://github.com/adlocode/xfwm4/blob/1d21be9ffc0fa1cea91905a07d1446c5227745f4/common/xfwm-common.c */
/**
* Set the MonitorIDs, the maxwidth and maxheight
*
* - number of monitors
* - Geometry of each
* - Choosen by the user
* - Primary monitor
* - Otherwise use current monitor as the origin
*
* The origin must be 0,0
*/
void remmina_rdp_monitor_get (rfContext *rfi, gchar **monitorids, guint32 *maxwidth, guint32 *maxheight)
{
TRACE_CALL(__func__);
GdkDisplay *display;
GdkMonitor *monitor;
gboolean has_custom_monitors = FALSE;
gboolean primary_found = FALSE;
gint n_monitors;
gint scale;
gint index = 0;
gint count = 0;
static gchar buffer[256];
gint buffer_offset = 0;
GdkRectangle geometry = { 0, 0, 0, 0 };
GdkRectangle tempgeom = { 0, 0, 0, 0 };
GdkRectangle destgeom = { 0, 0, 0, 0 };
rdpSettings* settings;
if (!rfi || !rfi->clientContext.context.settings)
return;
settings = rfi->clientContext.context.settings;
*maxwidth = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
*maxheight = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
display = gdk_display_get_default ();
n_monitors = gdk_display_get_n_monitors(display);
/* Get monitor at windows curently in use */
//w = gtk_widget_get_window(rfi->drawing_area);
//current_monitor = gdk_display_get_monitor_at_window (display, w);
/* we got monitorids as options */
if (*monitorids)
has_custom_monitors = TRUE;
rdpMonitor* base = (rdpMonitor *)freerdp_settings_get_pointer(settings, FreeRDP_MonitorDefArray);
for (gint i = 0; i < n_monitors; ++i) {
rdpMonitor* current;
if (has_custom_monitors) {
REMMINA_PLUGIN_DEBUG("We have custom monitors");
gchar itoc[11];
snprintf(itoc, sizeof(itoc), "%d", i);
if (remmina_rdp_utils_strpos(*monitorids, itoc) < 0 ) {
REMMINA_PLUGIN_DEBUG("Monitor n %d it's out of the provided list", i);
index += 1;
continue;
}
}
monitor = gdk_display_get_monitor(display, i);
if (monitor == NULL) {
REMMINA_PLUGIN_DEBUG("Monitor n %d does not exist or is not active", i);
index +=1;
continue;
}
monitor = gdk_display_get_monitor(display, index);
current = &base[index];
REMMINA_PLUGIN_DEBUG("Monitor n %d", index);
/* If the desktop env in use doesn't have the working area concept
* gdk_monitor_get_workarea will return the monitor geometry*/
//gdk_monitor_get_workarea (monitor, &geometry);
gdk_monitor_get_geometry (monitor, &geometry);
current->x = geometry.x;
REMMINA_PLUGIN_DEBUG("Monitor n %d x: %d", index, geometry.x);
current->y = geometry.y;
REMMINA_PLUGIN_DEBUG("Monitor n %d y: %d", index, geometry.y);
/* geometry contain the application geometry, to obtain the real one
* we must multiply by the scale factor */
scale = gdk_monitor_get_scale_factor (monitor);
REMMINA_PLUGIN_DEBUG("Monitor n %d scale: %d", index, scale);
geometry.x *= scale;
geometry.y *= scale;
geometry.width *= scale;
geometry.height *= scale;
REMMINA_PLUGIN_DEBUG("Monitor n %d width: %d", index, geometry.width);
REMMINA_PLUGIN_DEBUG("Monitor n %d height: %d", index, geometry.height);
current->width = geometry.width;
current->height = geometry.height;
current->attributes.physicalHeight = gdk_monitor_get_height_mm (monitor);
REMMINA_PLUGIN_DEBUG("Monitor n %d physical height: %d", i, current->attributes.physicalHeight);
current->attributes.physicalWidth = gdk_monitor_get_width_mm (monitor);
REMMINA_PLUGIN_DEBUG("Monitor n %d physical width: %d", i, current->attributes.physicalWidth);
current->orig_screen = index;
if (!primary_found) {
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftX, current->x);
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftY, current->y);
}
if (gdk_monitor_is_primary(monitor)) {
REMMINA_PLUGIN_DEBUG ("Primary monitor found with id: %d", index);
current->is_primary = TRUE;
primary_found = TRUE;
if (current->x != 0 || current->y != 0)
{
REMMINA_PLUGIN_DEBUG ("Primary monitor not at 0,0 coordinates: %d", index);
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftX, current->x);
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftY, current->y);
}
} else {
if (!primary_found && current->x == 0 &&
current->y == 0)
{
REMMINA_PLUGIN_DEBUG ("Monitor %d has 0,0 coordinates", index);
current->is_primary = TRUE;
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftX, current->x);
freerdp_settings_set_uint32(settings, FreeRDP_MonitorLocalShiftY, current->y);
primary_found = TRUE;
REMMINA_PLUGIN_DEBUG ("Primary monitor set to id: %d", index);
}
}
REMMINA_PLUGIN_DEBUG ("Local X Shift: %d", freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftX));
REMMINA_PLUGIN_DEBUG ("Local Y Shift: %d", freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftY));
//current->x =
//current->x - freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftX);
//REMMINA_PLUGIN_DEBUG("Monitor n %d calculated x: %d", index, current->x);
//current->y =
//current->y - freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftY);
//REMMINA_PLUGIN_DEBUG("Monitor n %d calculated y: %d", index, current->y);
if (buffer_offset == 0)
buffer_offset = g_sprintf(buffer + buffer_offset, "%d", i);
else
buffer_offset = g_sprintf(buffer + buffer_offset, ",%d", i);
REMMINA_PLUGIN_DEBUG("Monitor IDs buffer: %s", buffer);
gdk_rectangle_union(&tempgeom, &geometry, &destgeom);
memcpy(&tempgeom, &destgeom, sizeof tempgeom);
count++;
index++;
}
freerdp_settings_set_uint32(settings, FreeRDP_MonitorCount, index);
/* Subtract monitor shift from monitor variables for server-side use.
* We maintain monitor shift value as Window requires the primary monitor to have a
* coordinate of 0,0 In some X configurations, no monitor may have a coordinate of 0,0. This
* can also be happen if the user requests specific monitors from the command-line as well.
* So, we make sure to translate our primary monitor's upper-left corner to 0,0 on the
* server.
*/
for (gint i = 0; i < freerdp_settings_get_uint32(settings, FreeRDP_MonitorCount); i++)
{
rdpMonitor* current = &base[i];
current->x =
current->x - freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftX);
REMMINA_PLUGIN_DEBUG("Monitor n %d calculated x: %d", i, current->x);
current->y =
current->y - freerdp_settings_get_uint32(settings, FreeRDP_MonitorLocalShiftY);
REMMINA_PLUGIN_DEBUG("Monitor n %d calculated y: %d", i, current->y);
}
REMMINA_PLUGIN_DEBUG("%d monitors on %d have been configured", freerdp_settings_get_uint32(settings, FreeRDP_MonitorCount), count);
*maxwidth = destgeom.width;
*maxheight = destgeom.height;
REMMINA_PLUGIN_DEBUG("maxw and maxh: %ux%u", *maxwidth, *maxheight);
if (n_monitors > 1)
freerdp_settings_set_bool(rfi->clientContext.context.settings, FreeRDP_SupportMonitorLayoutPdu, TRUE);
*monitorids = g_strdup(buffer);
}
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