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[wxWidgets.git] / src / unix / displayx11.cpp

diff --git a/src/unix/displayx11.cpp b/src/unix/displayx11.cpp
index ae0a57d1399b662b2fa6cb30ab8bc661caaa43ec..1d71c7f038d8238d98f9b2fc6e1ccae40230b325 100644 (file)
--- a/src/unix/displayx11.cpp
+++ b/src/unix/displayx11.cpp
@@ -1,169 +1,313 @@
 ///////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////

-// Name:        displayx11.cpp
+// Name:        src/unix/displayx11.cpp

 // Purpose:     Unix/X11 implementation of wxDisplay class
 // Purpose:     Unix/X11 implementation of wxDisplay class

-// Author:      Brian Victor
+// Author:      Brian Victor, Vadim Zeitlin

 // Modified by:
 // Created:     12/05/02
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     12/05/02
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "display.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------

 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-  #pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

+#if wxUSE_DISPLAY
+

 #include "wx/display.h"
 
 #ifndef WX_PRECOMP
 #include "wx/display.h"
 
 #ifndef WX_PRECOMP

-  #include "wx/dynarray.h"
-  #include "wx/gdicmn.h"
-  #include "wx/string.h"
-  #include "wx/utils.h"
+    #include "wx/dynarray.h"
+    #include "wx/gdicmn.h"
+    #include "wx/string.h"
+    #include "wx/utils.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"

 #endif /* WX_PRECOMP */
 
 #endif /* WX_PRECOMP */
 

-#if wxUSE_DISPLAY
+#include "wx/display_impl.h"

 
 /* These must be included after the wx files.  Otherwise the Data macro in
  * Xlibint.h conflicts with a function declaration in wx/list.h.  */
 
 /* These must be included after the wx files.  Otherwise the Data macro in
  * Xlibint.h conflicts with a function declaration in wx/list.h.  */

-extern "C" {
-  #include <X11/Xlib.h>
-  #include <X11/Xlibint.h>
-  #include <X11/extensions/Xinerama.h>
+extern "C"
+{
+    #include <X11/Xlib.h>
+    #include <X11/Xlibint.h>
+
+    #include <X11/extensions/Xinerama.h>
+    #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
+        #include <X11/extensions/xf86vmode.h>
+    #endif

 }
 
 }
 

-class wxDisplayUnixPriv
+// ----------------------------------------------------------------------------
+// helper class to automatically free XineramaQueryScreens() return value
+// ----------------------------------------------------------------------------
+
+class ScreensInfo
+{
+public:
+    ScreensInfo()
+    {
+        m_screens = XineramaQueryScreens((Display *)wxGetDisplay(), &m_num);
+    }
+
+    ~ScreensInfo()
+    {
+        XFree(m_screens);
+    }
+
+    operator const XineramaScreenInfo *() const { return m_screens; }
+
+    size_t GetCount() const { return wx_static_cast(size_t, m_num); }
+
+private:
+    XineramaScreenInfo *m_screens;
+    int m_num;
+};
+
+// ----------------------------------------------------------------------------
+// display and display factory classes
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDisplayImplX11 : public wxDisplayImpl

 {
 {

-  public:
+public:
+    wxDisplayImplX11(size_t n, const XineramaScreenInfo& info)
+        : wxDisplayImpl(n),
+          m_rect(info.x_org, info.y_org, info.width, info.height)
+    {
+    }
+
+    virtual wxRect GetGeometry() const { return m_rect; }
+    virtual wxString GetName() const { return wxString(); }
+
+    virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
+    virtual wxVideoMode GetCurrentMode() const;
+    virtual bool ChangeMode(const wxVideoMode& mode);
+
+private:

     wxRect m_rect;
     int m_depth;
     wxRect m_rect;
     int m_depth;

+
+    DECLARE_NO_COPY_CLASS(wxDisplayImplX11)

 };
 
 };
 

-size_t wxDisplayBase::GetCount()
+class wxDisplayFactoryX11 : public wxDisplayFactory

 {
 {

-  Display *disp = (Display*)wxGetDisplay();
-
-  if ( XineramaIsActive(disp) )
-  {
-    XineramaScreenInfo *screenarr;
-    int numscreens;
-    screenarr = XineramaQueryScreens(disp, &numscreens);
-    XFree(screenarr);
-    return numscreens;
-  }
-  else
-  {
-    return 1;
-  }
-}
+public:
+    wxDisplayFactoryX11() { }

 
 

-int wxDisplayBase::GetFromPoint(const wxPoint &p)
-{
-  Display *disp = (Display*)wxGetDisplay();
+    virtual wxDisplayImpl *CreateDisplay(size_t n);
+    virtual size_t GetCount();
+    virtual int GetFromPoint(const wxPoint& pt);

 
 

-  if ( XineramaIsActive(disp) )
-  {
-    int which_screen = -1;
-    XineramaScreenInfo *screenarr;
-    int numscreens;
-    screenarr = XineramaQueryScreens(disp, &numscreens);
+protected:
+    DECLARE_NO_COPY_CLASS(wxDisplayFactoryX11)
+};

 
 

-    int i;
-    for (i = 0; i < numscreens; ++i)
-    {
-      if (p.x >= screenarr[i].x_org &&
-          p.x <= screenarr[i].x_org + screenarr[i].width &&
-          p.y >= screenarr[i].y_org &&
-          p.y <= screenarr[i].y_org + screenarr[i].height)
-      {
-        which_screen = i;
-      }
-    }
+// ============================================================================
+// wxDisplayFactoryX11 implementation
+// ============================================================================

 
 

-    XFree(screenarr);
-    return which_screen;
-  }
-  else
-  {
-    wxSize size = wxGetDisplaySize();
-    if (p.x >= 0 &&
-        p.x <= size.GetWidth() && 
-        p.y > 0 &&
-        p.y <= size.GetHeight())
+size_t wxDisplayFactoryX11::GetCount()
+{
+    return ScreensInfo().GetCount();
+}
+
+int wxDisplayFactoryX11::GetFromPoint(const wxPoint& p)
+{
+    ScreensInfo screens;
+
+    const size_t numscreens(screens.GetCount());
+    for ( size_t i = 0; i < numscreens; ++i )

     {
     {

-        return 0;
+        const XineramaScreenInfo& s = screens[i];
+        if ( p.x >= s.x_org && p.x < s.x_org + s.width &&
+                p.y >= s.y_org && p.y < s.y_org + s.height )
+        {
+            return i;
+        }

     }
 
     }
 

-    return -1;
-  }
+    return wxNOT_FOUND;

 }
 
 }
 

-wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ), m_priv( new wxDisplayUnixPriv )
+wxDisplayImpl *wxDisplayFactoryX11::CreateDisplay(size_t n)

 {
 {

-  Display *disp = (Display*)wxGetDisplay();
-
-  if ( XineramaIsActive(disp) )
-  {
-    XineramaScreenInfo *screenarr;
-    int numscreens;
-    screenarr = XineramaQueryScreens(disp, &numscreens);
-    m_priv->m_rect = wxRect(screenarr[index].x_org, screenarr[index].y_org,
-                            screenarr[index].width, screenarr[index].height);
-    m_priv->m_depth = DefaultDepth(disp, DefaultScreen(disp));
-    XFree(screenarr);
-  }
-  else
-  {
-    wxSize size = wxGetDisplaySize();
-    m_priv->m_rect = wxRect(0, 0, size.GetWidth(), size.GetHeight());
-    m_priv->m_depth = wxDisplayDepth();
-  }
-}
+    ScreensInfo screens;

 
 

-wxDisplay::~wxDisplay()
-{
-  delete m_priv;
+    return n < screens.GetCount() ? new wxDisplayImplX11(n, screens[n]) : NULL;

 }
 
 }
 

-wxRect wxDisplay::GetGeometry() const
+// ============================================================================
+// wxDisplayImplX11 implementation
+// ============================================================================
+
+#ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+//
+//  See (http://www.xfree86.org/4.2.0/XF86VidModeDeleteModeLine.3.html) for more
+//  info about xf86 video mode extensions
+//
+
+//free private data common to x (usually s3) servers
+#define wxClearXVM(vm)  if(vm.privsize) XFree(vm.c_private)
+
+// Correct res rate from GLFW
+#define wxCRR2(v,dc) (int) (((1000.0f * (float) dc) /*PIXELS PER SECOND */) / ((float) v.htotal * v.vtotal /*PIXELS PER FRAME*/) + 0.5f)
+#define wxCRR(v) wxCRR2(v,v.dotclock)
+#define wxCVM2(v, dc) wxVideoMode(v.hdisplay, v.vdisplay, DefaultDepth((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay())), wxCRR2(v,dc))
+#define wxCVM(v) wxCVM2(v, v.dotclock)
+
+wxArrayVideoModes wxDisplayImplX11::GetModes(const wxVideoMode& mode) const

 {
 {

-  return m_priv->m_rect;
+    //Convenience...
+    Display* pDisplay = (Display*) wxGetDisplay(); //default display
+    int nScreen = DefaultScreen(pDisplay); //default screen of (default) display...
+
+    //Some variables..
+    XF86VidModeModeInfo** ppXModes; //Enumerated Modes (Don't forget XFree() :))
+    int nNumModes; //Number of modes enumerated....
+
+    wxArrayVideoModes Modes; //modes to return...
+
+    if (XF86VidModeGetAllModeLines(pDisplay, nScreen, &nNumModes, &ppXModes) == TRUE)
+    {
+        for (int i = 0; i < nNumModes; ++i)
+        {
+            if (mode == wxDefaultVideoMode || //According to display.h All modes valid if dafault mode...
+                mode.Matches(wxCVM((*ppXModes[i]))) ) //...?
+            {
+                Modes.Add(wxCVM((*ppXModes[i])));
+            }
+            wxClearXVM((*ppXModes[i]));
+        //  XFree(ppXModes[i]); //supposed to free?
+        }
+        XFree(ppXModes);
+    }
+    else //OOPS!
+    {
+        wxLogSysError(_("Failed to enumerate video modes"));
+    }
+
+    return Modes;

 }
 
 }
 

-int wxDisplay::GetDepth() const
+wxVideoMode wxDisplayImplX11::GetCurrentMode() const

 {
 {

-  return m_priv->m_depth;
+  XF86VidModeModeLine VM;
+  int nDotClock;
+  XF86VidModeGetModeLine((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()),
+                         &nDotClock, &VM);
+  wxClearXVM(VM);
+  return wxCVM2(VM, nDotClock);

 }
 
 }
 

-wxString wxDisplay::GetName() const
+bool wxDisplayImplX11::ChangeMode(const wxVideoMode& mode)

 {
 {

-  return wxEmptyString;
+    XF86VidModeModeInfo** ppXModes; //Enumerated Modes (Don't forget XFree() :))
+    int nNumModes; //Number of modes enumerated....
+
+    if( !XF86VidModeGetAllModeLines((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()), &nNumModes, &ppXModes) )
+    {
+        wxLogSysError(_("Failed to change video mode"));
+        return false;
+    }
+
+    bool bRet = false;
+    if (mode == wxDefaultVideoMode)
+    {
+        bRet = XF86VidModeSwitchToMode((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()),
+                     ppXModes[0]) == TRUE;
+
+        for (int i = 0; i < nNumModes; ++i)
+        {
+            wxClearXVM((*ppXModes[i]));
+        //  XFree(ppXModes[i]); //supposed to free?
+        }
+    }
+    else
+    {
+        for (int i = 0; i < nNumModes; ++i)
+        {
+            if (!bRet &&
+                ppXModes[i]->hdisplay == mode.w &&
+                ppXModes[i]->vdisplay == mode.h &&
+                wxCRR((*ppXModes[i])) == mode.refresh)
+            {
+                //switch!
+                bRet = XF86VidModeSwitchToMode((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()),
+                         ppXModes[i]) == TRUE;
+            }
+            wxClearXVM((*ppXModes[i]));
+        //  XFree(ppXModes[i]); //supposed to free?
+        }
+    }
+
+    XFree(ppXModes);
+
+    return bRet;

 }
 
 }
 

- wxArrayVideoModes
-    wxDisplay::GetModes(const wxVideoMode& mode) const
+
+#else // !HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+wxArrayVideoModes wxDisplayImplX11::GetModes(const wxVideoMode& mode) const

 {
 {

-    // Not implemented
-    return wxArrayVideoModes();
+    int count_return;
+    int* depths = XListDepths((Display*)wxGetDisplay(), 0, &count_return);
+    wxArrayVideoModes modes;
+    if ( depths )
+    {
+        for ( int x = 0; x < count_return; ++x )
+        {
+            modes.Add(wxVideoMode(m_rect.GetWidth(), m_rect.GetHeight(), depths[x]));
+        }
+
+        XFree(depths);
+    }
+    return modes;

 }
 
 }
 

-wxVideoMode wxDisplay::GetCurrentMode() const
+wxVideoMode wxDisplayImplX11::GetCurrentMode() const

 {
     // Not implemented
     return wxVideoMode();
 }
 
 {
     // Not implemented
     return wxVideoMode();
 }
 

-bool wxDisplay::ChangeMode(const wxVideoMode& mode)
+bool wxDisplayImplX11::ChangeMode(const wxVideoMode& mode)

 {
     // Not implemented
     return false;
 }
 {
     // Not implemented
     return false;
 }

-#endif /* wxUSE_DISPLAY */

 
 

+#endif // !HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+// ============================================================================
+// wxDisplay::CreateFactory()
+// ============================================================================
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+    if ( XineramaIsActive((Display*)wxGetDisplay()) )
+    {
+        return new wxDisplayFactoryX11;
+    }
+
+    return new wxDisplayFactorySingle;
+}
+
+#endif /* wxUSE_DISPLAY */