LCOV - code coverage report
Current view: top level - vcl/unx/gtk/app - gtksys.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 121 0.0 %
Date: 2014-04-14 Functions: 0 23 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <string.h>
      21             : #include <gmodule.h>
      22             : #include <gtk/gtk.h>
      23             : #include <unx/gtk/gtkinst.hxx>
      24             : #include <unx/gtk/gtksys.hxx>
      25             : 
      26           0 : GtkSalSystem *GtkSalSystem::GetSingleton()
      27             : {
      28             :     static GtkSalSystem *pSingleton = NULL;
      29           0 :     if (!pSingleton)
      30           0 :         pSingleton = new GtkSalSystem();
      31           0 :     return pSingleton;
      32             : }
      33             : 
      34           0 : SalSystem *GtkInstance::CreateSalSystem()
      35             : {
      36           0 :     return GtkSalSystem::GetSingleton();
      37             : }
      38             : 
      39           0 : GtkSalSystem::GtkSalSystem() : SalGenericSystem()
      40             : {
      41           0 :     mpDisplay = gdk_display_get_default();
      42           0 :     countScreenMonitors();
      43           0 : }
      44             : 
      45           0 : GtkSalSystem::~GtkSalSystem()
      46             : {
      47           0 : }
      48             : 
      49             : int
      50           0 : GtkSalSystem::GetDisplayXScreenCount()
      51             : {
      52           0 :     return gdk_display_get_n_screens (mpDisplay);
      53             : }
      54             : 
      55             : namespace
      56             : {
      57             : 
      58             : struct GdkRectangleEqual
      59             : {
      60           0 :     bool operator()(GdkRectangle const& rLeft, GdkRectangle const& rRight)
      61             :     {
      62             :         return
      63           0 :             rLeft.x == rRight.x
      64           0 :             && rLeft.y == rRight.y
      65           0 :             && rLeft.width == rRight.width
      66           0 :             && rLeft.height == rRight.height
      67             :             ;
      68             :     }
      69             : };
      70             : 
      71             : }
      72             : 
      73             : /**
      74             :  * GtkSalSystem::countScreenMonitors()
      75             :  *
      76             :  * This method builds the vector which allows us to map from VCL's
      77             :  * idea of linear integer ScreenNumber to to gtk+'s rather more
      78             :  * complicated screen + monitor concept.
      79             :  */
      80             : void
      81           0 : GtkSalSystem::countScreenMonitors()
      82             : {
      83           0 :     maScreenMonitors.clear();
      84           0 :     for (gint i = 0; i < gdk_display_get_n_screens(mpDisplay); i++)
      85             :     {
      86           0 :         GdkScreen* const pScreen(gdk_display_get_screen(mpDisplay, i));
      87           0 :         gint nMonitors(pScreen ? gdk_screen_get_n_monitors(pScreen) : 0);
      88           0 :         if (nMonitors > 1)
      89             :         {
      90           0 :             std::vector<GdkRectangle> aGeometries;
      91           0 :             aGeometries.reserve(nMonitors);
      92           0 :             for (gint j(0); j != nMonitors; ++j)
      93             :             {
      94             :                 GdkRectangle aGeometry;
      95           0 :                 gdk_screen_get_monitor_geometry(pScreen, j, &aGeometry);
      96           0 :                 aGeometries.push_back(aGeometry);
      97             :             }
      98             :             GdkRectangleEqual aCmp;
      99           0 :             std::sort(aGeometries.begin(), aGeometries.end(), aCmp);
     100             :             const std::vector<GdkRectangle>::iterator aUniqueEnd(
     101           0 :                     std::unique(aGeometries.begin(), aGeometries.end(), aCmp));
     102           0 :             nMonitors = std::distance(aGeometries.begin(), aUniqueEnd);
     103             :         }
     104           0 :         maScreenMonitors.push_back(std::make_pair(pScreen, nMonitors));
     105             :     }
     106           0 : }
     107             : 
     108             : // Including gdkx.h kills us with the Window / XWindow conflict
     109             : extern "C" {
     110             : #if GTK_CHECK_VERSION(3,0,0)
     111             :     GType gdk_x11_display_get_type (void);
     112             : #endif
     113             :     int   gdk_x11_screen_get_screen_number (GdkScreen *screen);
     114             : }
     115             : 
     116             : SalX11Screen
     117           0 : GtkSalSystem::getXScreenFromDisplayScreen(unsigned int nScreen)
     118             : {
     119             :     gint nMonitor;
     120             : 
     121           0 :     GdkScreen *pScreen = getScreenMonitorFromIdx (nScreen, nMonitor);
     122           0 :     if (!pScreen)
     123           0 :         return SalX11Screen (0);
     124             : #if GTK_CHECK_VERSION(3,0,0)
     125             :     if (!G_TYPE_CHECK_INSTANCE_TYPE (mpDisplay, gdk_x11_display_get_type ()))
     126             :         return SalX11Screen (0);
     127             : #endif
     128           0 :     return SalX11Screen (gdk_x11_screen_get_screen_number (pScreen));
     129             : }
     130             : 
     131             : GdkScreen *
     132           0 : GtkSalSystem::getScreenMonitorFromIdx (int nIdx, gint &nMonitor)
     133             : {
     134           0 :     GdkScreen *pScreen = NULL;
     135           0 :     for (ScreenMonitors_t::const_iterator aIt(maScreenMonitors.begin()), aEnd(maScreenMonitors.end()); aIt != aEnd; ++aIt)
     136             :     {
     137           0 :         pScreen = aIt->first;
     138           0 :         if (!pScreen)
     139           0 :             break;
     140           0 :         if (nIdx >= aIt->second)
     141           0 :             nIdx -= aIt->second;
     142             :         else
     143           0 :             break;
     144             :     }
     145           0 :     nMonitor = nIdx;
     146             : 
     147             :     // handle invalid monitor indexes as non-existent screens
     148           0 :     if (nMonitor < 0 || (pScreen && nMonitor >= gdk_screen_get_n_monitors (pScreen)))
     149           0 :         pScreen = NULL;
     150             : 
     151           0 :     return pScreen;
     152             : }
     153             : 
     154             : int
     155           0 : GtkSalSystem::getScreenIdxFromPtr (GdkScreen *pScreen)
     156             : {
     157           0 :     int nIdx = 0;
     158           0 :     for (ScreenMonitors_t::const_iterator aIt(maScreenMonitors.begin()), aEnd(maScreenMonitors.end()); aIt != aEnd; ++aIt)
     159             :     {
     160           0 :         if (aIt->first == pScreen)
     161           0 :             return nIdx;
     162           0 :         nIdx += aIt->second;
     163             :     }
     164           0 :     g_warning ("failed to find screen %p", pScreen);
     165           0 :     return 0;
     166             : }
     167             : 
     168           0 : int GtkSalSystem::getScreenMonitorIdx (GdkScreen *pScreen,
     169             :                                        int nX, int nY)
     170             : {
     171             :     // TODO: this will fail horribly for exotic combinations like two
     172             :     // monitors in mirror mode and one extra. Hopefully such
     173             :     // abominations are not used (or, even better, not possible) in
     174             :     // practice .-)
     175           0 :     return getScreenIdxFromPtr (pScreen) +
     176           0 :         gdk_screen_get_monitor_at_point (pScreen, nX, nY);
     177             : }
     178             : 
     179           0 : unsigned int GtkSalSystem::GetDisplayScreenCount()
     180             : {
     181             :     gint nMonitor;
     182           0 :     (void)getScreenMonitorFromIdx (G_MAXINT, nMonitor);
     183           0 :     return G_MAXINT - nMonitor;
     184             : }
     185             : 
     186           0 : bool GtkSalSystem::IsUnifiedDisplay()
     187             : {
     188           0 :     return gdk_display_get_n_screens (mpDisplay) == 1;
     189             : }
     190             : 
     191             : namespace {
     192             : #if GTK_CHECK_VERSION(2,14,0)
     193           0 : static int _fallback_get_primary_monitor (GdkScreen *pScreen)
     194             : {
     195             :     // Use monitor name as primacy heuristic
     196           0 :     int max = gdk_screen_get_n_monitors (pScreen);
     197           0 :     for (int i = 0; i < max; ++i)
     198             :     {
     199           0 :         char *name = gdk_screen_get_monitor_plug_name (pScreen, i);
     200           0 :         bool bLaptop = (name && !g_ascii_strncasecmp (name, "LVDS", 4));
     201           0 :         g_free (name);
     202           0 :         if (bLaptop)
     203           0 :             return i;
     204             :     }
     205           0 :     return 0;
     206             : }
     207             : #endif
     208             : 
     209           0 : static int _get_primary_monitor (GdkScreen *pScreen)
     210             : {
     211             :     static int (*get_fn) (GdkScreen *) = NULL;
     212             : #if GTK_CHECK_VERSION(3,0,0)
     213             :     get_fn = gdk_screen_get_primary_monitor;
     214             : #endif
     215             :     // Perhaps we have a newer gtk+ with this symbol:
     216           0 :     if (!get_fn)
     217             :     {
     218             :         get_fn = (int(*)(GdkScreen*))osl_getAsciiFunctionSymbol(NULL,
     219           0 :             "gdk_screen_get_primary_monitor");
     220             :     }
     221             : #if GTK_CHECK_VERSION(2,14,0)
     222           0 :     if (!get_fn)
     223           0 :         get_fn = _fallback_get_primary_monitor;
     224             : #endif
     225           0 :     if (get_fn)
     226           0 :         return get_fn (pScreen);
     227             :     else
     228           0 :         return 0;
     229             : }
     230             : } // end anonymous namespace
     231             : 
     232           0 : unsigned int GtkSalSystem::GetDisplayBuiltInScreen()
     233             : {
     234           0 :     GdkScreen *pDefault = gdk_display_get_default_screen (mpDisplay);
     235           0 :     int idx = getScreenIdxFromPtr (pDefault);
     236           0 :     return idx + _get_primary_monitor (pDefault);
     237             : }
     238             : 
     239           0 : Rectangle GtkSalSystem::GetDisplayScreenPosSizePixel (unsigned int nScreen)
     240             : {
     241             :     gint nMonitor;
     242             :     GdkScreen *pScreen;
     243             :     GdkRectangle aRect;
     244           0 :     pScreen = getScreenMonitorFromIdx (nScreen, nMonitor);
     245           0 :     if (!pScreen)
     246           0 :         return Rectangle();
     247           0 :     gdk_screen_get_monitor_geometry (pScreen, nMonitor, &aRect);
     248           0 :     return Rectangle (Point(aRect.x, aRect.y), Size(aRect.width, aRect.height));
     249             : }
     250             : 
     251           0 : OUString GtkSalSystem::GetDisplayScreenName(unsigned int nScreen)
     252             : {
     253             :     gchar *pStr;
     254             :     gint nMonitor;
     255             :     GdkScreen *pScreen;
     256           0 :     pScreen = getScreenMonitorFromIdx (nScreen, nMonitor);
     257           0 :     if (!pScreen)
     258           0 :         return OUString();
     259             : 
     260             : #if GTK_CHECK_VERSION(3,0,0) || GTK_CHECK_VERSION(2,14,0)
     261           0 :     pStr = gdk_screen_get_monitor_plug_name (pScreen, nMonitor);
     262             : #else
     263             :     static gchar * (*get_fn) (GdkScreen *, int) = NULL;
     264             : 
     265             :     GModule *module = g_module_open (NULL, (GModuleFlags) 0);
     266             :     if (!g_module_symbol (module, "gdk_screen_get_monitor_plug_name",
     267             :                           (gpointer *)&get_fn))
     268             :         get_fn = NULL;
     269             :     g_module_close (module);
     270             : 
     271             :     if (get_fn)
     272             :         pStr = get_fn (pScreen, nMonitor);
     273             :     else
     274             :         pStr = g_strdup_printf ("%d", nScreen);
     275             : #endif
     276           0 :     OUString aRet (pStr, strlen (pStr), RTL_TEXTENCODING_UTF8);
     277           0 :     g_free (pStr);
     278           0 :     return aRet;
     279             : }
     280             : 
     281             : // convert ~ to indicate mnemonic to '_'
     282           0 : static OString MapToGtkAccelerator(const OUString &rStr)
     283             : {
     284           0 :     return OUStringToOString(rStr.replaceFirst("~", "_"), RTL_TEXTENCODING_UTF8);
     285             : }
     286             : 
     287           0 : int GtkSalSystem::ShowNativeDialog (const OUString& rTitle, const OUString& rMessage,
     288             :                                     const std::list< OUString >& rButtonNames,
     289             :                                     int nDefaultButton)
     290             : {
     291           0 :     OString aTitle (OUStringToOString (rTitle, RTL_TEXTENCODING_UTF8));
     292           0 :     OString aMessage (OUStringToOString (rMessage, RTL_TEXTENCODING_UTF8));
     293             : 
     294           0 :     GtkDialog *pDialog = GTK_DIALOG (
     295             :         g_object_new (GTK_TYPE_MESSAGE_DIALOG,
     296             :                       "title", aTitle.getStr(),
     297             :                       "message-type", (int)GTK_MESSAGE_WARNING,
     298             :                       "text", aMessage.getStr(),
     299             :                       NULL));
     300           0 :     int nButton = 0;
     301           0 :     std::list< OUString >::const_iterator it;
     302           0 :     for (it = rButtonNames.begin(); it != rButtonNames.end(); ++it)
     303           0 :         gtk_dialog_add_button (pDialog, MapToGtkAccelerator(*it).getStr(), nButton++);
     304           0 :     gtk_dialog_set_default_response (pDialog, nDefaultButton);
     305             : 
     306           0 :     nButton = gtk_dialog_run (pDialog);
     307           0 :     if (nButton < 0)
     308           0 :         nButton = -1;
     309             : 
     310           0 :     gtk_widget_destroy (GTK_WIDGET (pDialog));
     311             : 
     312           0 :     return nButton;
     313           0 : }
     314             : 
     315             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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