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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is
* Michael Meeks <michael.meeks@novell.com>
* Portions created by the Initial Developer are Copyright (C) 2010 the
* Initial Developer. All Rights Reserved.
*
* Major Contributor(s):
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#include <string.h>
#include <gtk/gtk.h>
#include <unx/gtk/gtkinst.hxx>
#include <unx/gtk/gtksys.hxx>
GtkSalSystem *GtkSalSystem::GetSingleton()
{
static GtkSalSystem *pSingleton = NULL;
if (!pSingleton)
pSingleton = new GtkSalSystem();
return pSingleton;
}
SalSystem *GtkInstance::CreateSalSystem()
{
return GtkSalSystem::GetSingleton();
}
GtkSalSystem::GtkSalSystem() : UnxSalSystem()
{
mpDisplay = gdk_display_get_default();
}
GtkSalSystem::~GtkSalSystem()
{
}
GdkScreen *
GtkSalSystem::getScreenMonitorFromIdx (GdkDisplay *pDisplay, int nIdx, gint &nMonitor)
{
GdkScreen *pScreen = NULL;
for (gint i = 0; i < gdk_display_get_n_screens (pDisplay); i++)
{
pScreen = gdk_display_get_screen (pDisplay, i++);
if (!pScreen)
break;
if (nIdx > gdk_screen_get_n_monitors (pScreen))
nIdx -= gdk_screen_get_n_monitors (pScreen);
else
break;
}
nMonitor = nIdx;
return pScreen;
}
int
GtkSalSystem::getScreenIdxFromPtr (GdkDisplay *pDisplay, GdkScreen *pScreen)
{
int nIdx = 0;
for (gint i = 0; i < gdk_display_get_n_screens (pDisplay); i++)
{
GdkScreen *pCmp = gdk_display_get_screen (pDisplay, i);
if (pCmp == pScreen)
return nIdx;
nIdx += gdk_screen_get_n_monitors (pCmp);
}
g_warning ("failed to find screen %p", pScreen);
return 0;
}
int GtkSalSystem::getScreenMonitorIdx (GdkDisplay *pDisplay,
GdkScreen *pScreen,
int nX, int nY)
{
return getScreenIdxFromPtr (pDisplay, pScreen) +
gdk_screen_get_monitor_at_point (pScreen, nX, nY);
}
unsigned int GtkSalSystem::GetDisplayScreenCount()
{
gint nMonitor;
(void)getScreenMonitorFromIdx (mpDisplay, G_MAXINT, nMonitor);
return G_MAXINT - nMonitor;
}
bool GtkSalSystem::IsMultiDisplay()
{
return gdk_display_get_n_screens (mpDisplay) > 1;
}
namespace {
int _fallback_get_primary_monitor (GdkScreen *pScreen)
{
// Use monitor name as primacy heuristic
int ret = -1;
int max = gdk_screen_get_n_monitors (pScreen);
for (int i = 0; i < max && ret < 0; i++)
{
char *name = gdk_screen_get_monitor_plug_name (pScreen, i);
if (!g_ascii_strncasecmp (name, "LVDS", 4))
ret = i;
g_free (name);
}
return 0;
}
int _get_primary_monitor (GdkScreen *pScreen)
{
static int (*get_fn) (GdkScreen *) = NULL;
#if GTK_CHECK_VERSION(3,0,0)
get_fn = gdk_screen_get_primary_monitor;
#endif
// Perhaps we have a newer gtk+ with this symbol:
if (!get_fn)
{
GModule *module = g_module_open (NULL, (GModuleFlags) 0);
if (!g_module_symbol (module, "gdk_screen_get_primary_monitor",
(gpointer *)&get_fn))
get_fn = NULL;
g_module_close (module);
}
if (!get_fn)
get_fn = _fallback_get_primary_monitor;
return get_fn (pScreen);
}
} // end anonymous namespace
unsigned int GtkSalSystem::GetDefaultDisplayNumber()
{
GdkScreen *pDefault = gdk_display_get_default_screen (mpDisplay);
int idx = getScreenIdxFromPtr (mpDisplay, pDefault);
return idx + _get_primary_monitor (pDefault);
}
Rectangle GtkSalSystem::GetDisplayScreenPosSizePixel (unsigned int nScreen)
{
gint nMonitor;
GdkScreen *pScreen;
GdkRectangle aRect;
pScreen = getScreenMonitorFromIdx (mpDisplay, nScreen, nMonitor);
if (!pScreen)
return Rectangle();
gdk_screen_get_monitor_geometry (pScreen, nMonitor, &aRect);
return Rectangle (aRect.x, aRect.y, aRect.width, aRect.height);
}
Rectangle GtkSalSystem::GetDisplayWorkAreaPosSizePixel (unsigned int nScreen)
{
// FIXME: in theory we need extra code here to collect
// the work area, ignoring fixed panels etc. on the screen.
// surely gtk+ should have API to get this for us (?)
return GetDisplayScreenPosSizePixel( nScreen );
}
rtl::OUString GtkSalSystem::GetScreenName(unsigned int nScreen)
{
gchar *pStr;
gint nMonitor;
GdkScreen *pScreen;
pScreen = getScreenMonitorFromIdx (mpDisplay, nScreen, nMonitor);
if (!pScreen)
return rtl::OUString();
pStr = gdk_screen_get_monitor_plug_name (pScreen, nMonitor);
rtl::OUString aRet (pStr, strlen (pStr), RTL_TEXTENCODING_UTF8);
g_free (pStr);
return aRet;
}
// convert ~ to indicate mnemonic to '_'
static rtl::OString MapToGtkAccelerator(const String &rStr)
{
String aRet( rStr );
aRet.SearchAndReplaceAscii("~", String::CreateFromAscii("_"));
return rtl::OUStringToOString(aRet, RTL_TEXTENCODING_UTF8);
}
int GtkSalSystem::ShowNativeDialog (const String& rTitle, const String& rMessage,
const std::list< String >& rButtonNames,
int nDefaultButton)
{
rtl::OString aTitle (rtl::OUStringToOString (rTitle, RTL_TEXTENCODING_UTF8));
rtl::OString aMessage (rtl::OUStringToOString (rMessage, RTL_TEXTENCODING_UTF8));
GtkDialog *pDialog = GTK_DIALOG (
g_object_new (GTK_TYPE_MESSAGE_DIALOG,
"title", aTitle.getStr(),
"message-type", (int)GTK_MESSAGE_WARNING,
"text", aMessage.getStr(),
NULL));
int nButton = 0;
std::list< String >::const_iterator it;
for (it = rButtonNames.begin(); it != rButtonNames.end(); ++it)
gtk_dialog_add_button (pDialog, MapToGtkAccelerator(*it).getStr(), nButton++);
gtk_dialog_set_default_response (pDialog, nDefaultButton);
nButton = gtk_dialog_run (pDialog);
if (nButton < 0)
nButton = -1;
gtk_widget_destroy (GTK_WIDGET (pDialog));
return nButton;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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