///////////////////////////////////////////////////////////////////////////
-// Name: displayx11.cpp
+// Name: src/unix/displayx11.cpp
// Purpose: Unix/X11 implementation of wxDisplay class
-// Author: Brian Victor
+// Author: Brian Victor, Vadim Zeitlin
// Modified by:
// Created: 12/05/02
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
+// Copyright: (c) wxWidgets team
// 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__
- #pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_DISPLAY
+
#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 */
-#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. */
-extern "C" {
- #include <X11/Xlib.h>
- #include <X11/Xlibint.h>
- #include <X11/extensions/Xinerama.h>
-}
+#ifdef __WXGTK20__
+ #include <gdk/gdk.h>
+ #include <gdk/gdkx.h>
+
+ // define the struct with the same fields as XineramaScreenInfo (except for
+ // screen number which we don't need) but which we can use without
+ // including Xinerama headers
+ struct ScreenInfo
+ {
+ short x_org;
+ short y_org;
+ short width;
+ short height;
+ };
+#else // use raw Xinerama functions
+ /* 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>
+ }
+
+ typedef XineramaScreenInfo ScreenInfo;
+#endif // GTK+/Xinerama
+
+// ----------------------------------------------------------------------------
+// helper class storing information about all screens
+// ----------------------------------------------------------------------------
+
+// the base class provides access to ScreenInfo array, derived class
+// initializes it using either GTK+ or Xinerama functions
+class ScreensInfoBase
+{
+public:
+ operator const ScreenInfo *() const { return m_screens; }
+
+ unsigned GetCount() const { return static_cast<unsigned>(m_num); }
+
+protected:
+ ScreenInfo *m_screens;
+ int m_num;
+};
+
+#ifdef __WXGTK20__
+
+class ScreensInfo : public ScreensInfoBase
+{
+public:
+ ScreensInfo()
+ {
+ GdkScreen * const screen = gdk_screen_get_default();
+
+ m_num = gdk_screen_get_n_monitors(screen);
+ m_screens = new ScreenInfo[m_num];
+ for ( int i = 0; i < m_num; i++ )
+ {
+ GdkRectangle rect;
+ gdk_screen_get_monitor_geometry(screen, i, &rect);
+ m_screens[i].x_org = rect.x;
+ m_screens[i].y_org = rect.y;
+ m_screens[i].width = rect.width;
+ m_screens[i].height = rect.height;
+ }
+ }
+
+ ~ScreensInfo()
+ {
+ delete [] m_screens;
+ }
+};
+
+#else // Xinerama
+
+class ScreensInfo : public ScreensInfoBase
+{
+public:
+ ScreensInfo()
+ {
+ m_screens = XineramaQueryScreens((Display *)wxGetDisplay(), &m_num);
+ }
+
+ ~ScreensInfo()
+ {
+ XFree(m_screens);
+ }
+};
+
+#endif // GTK+/Xinerama
+
+// ----------------------------------------------------------------------------
+// display and display factory classes
+// ----------------------------------------------------------------------------
-class wxDisplayUnixPriv
+class WXDLLEXPORT wxDisplayImplX11 : public wxDisplayImpl
{
- public:
+public:
+ wxDisplayImplX11(unsigned n, const ScreenInfo& info)
+ : wxDisplayImpl(n),
+ m_rect(info.x_org, info.y_org, info.width, info.height)
+ {
+ }
+
+ virtual wxRect GetGeometry() const { return m_rect; }
+ virtual wxRect GetClientArea() const
+ {
+ // we intentionally don't cache the result here because the client
+ // display area may change (e.g. the user resized or hid a panel) and
+ // we don't currently react to its changes
+ return IsPrimary() ? wxGetClientDisplayRect() : 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;
+
+ wxDECLARE_NO_COPY_CLASS(wxDisplayImplX11);
+};
+
+class wxDisplayFactoryX11 : public wxDisplayFactory
+{
+public:
+ wxDisplayFactoryX11() { }
+
+ virtual wxDisplayImpl *CreateDisplay(unsigned n);
+ virtual unsigned GetCount();
+ virtual int GetFromPoint(const wxPoint& pt);
+
+protected:
+ wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryX11);
};
-size_t wxDisplayBase::GetCount()
-{
- Display *disp = (Display*)wxGetDisplay();
-
- if ( XineramaIsActive(disp) )
- {
- XineramaScreenInfo *screenarr;
- int numscreens;
- screenarr = XineramaQueryScreens(disp, &numscreens);
- XFree(screenarr);
- return numscreens;
- }
- else
- {
- return 1;
- }
+// ============================================================================
+// wxDisplayFactoryX11 implementation
+// ============================================================================
+
+unsigned wxDisplayFactoryX11::GetCount()
+{
+ return ScreensInfo().GetCount();
}
-int wxDisplayBase::GetFromPoint(const wxPoint &p)
+int wxDisplayFactoryX11::GetFromPoint(const wxPoint& p)
{
- Display *disp = (Display*)wxGetDisplay();
+ ScreensInfo screens;
- if ( XineramaIsActive(disp) )
- {
- int which_screen = -1;
- XineramaScreenInfo *screenarr;
- int numscreens;
- screenarr = XineramaQueryScreens(disp, &numscreens);
+ const unsigned numscreens(screens.GetCount());
+ for ( unsigned i = 0; i < numscreens; ++i )
+ {
+ const ScreenInfo& 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 wxNOT_FOUND;
+}
- int i;
- for (i = 0; i < numscreens; ++i)
+wxDisplayImpl *wxDisplayFactoryX11::CreateDisplay(unsigned n)
+{
+ ScreensInfo screens;
+
+ return n < screens.GetCount() ? new wxDisplayImplX11(n, screens[n]) : NULL;
+}
+
+// ============================================================================
+// wxDisplayImplX11 implementation
+// ============================================================================
+
+#ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+#include <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
+{
+ //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!
{
- 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;
- }
+ wxLogSysError(_("Failed to enumerate video modes"));
}
- XFree(screenarr);
- return which_screen;
- }
- else
- {
- return 0;
- }
+ return Modes;
}
-wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ), m_priv( new wxDisplayUnixPriv )
-{
- 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();
- }
+wxVideoMode wxDisplayImplX11::GetCurrentMode() const
+{
+ XF86VidModeModeLine VM;
+ int nDotClock;
+ XF86VidModeGetModeLine((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()),
+ &nDotClock, &VM);
+ wxClearXVM(VM);
+ return wxCVM2(VM, nDotClock);
}
-wxDisplay::~wxDisplay()
+bool wxDisplayImplX11::ChangeMode(const wxVideoMode& mode)
{
- delete m_priv;
+ 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.GetWidth() &&
+ ppXModes[i]->vdisplay == mode.GetHeight() &&
+ wxCRR((*ppXModes[i])) == mode.GetRefresh())
+ {
+ //switch!
+ bRet = XF86VidModeSwitchToMode((Display*)wxGetDisplay(), DefaultScreen((Display*)wxGetDisplay()),
+ ppXModes[i]) == TRUE;
+ }
+ wxClearXVM((*ppXModes[i]));
+ // XFree(ppXModes[i]); //supposed to free?
+ }
+ }
+
+ XFree(ppXModes);
+
+ return bRet;
}
-wxRect wxDisplay::GetGeometry() const
+
+#else // !HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+wxArrayVideoModes wxDisplayImplX11::GetModes(const wxVideoMode& modeMatch) const
{
- return m_priv->m_rect;
+ int count_return;
+ int* depths = XListDepths((Display*)wxGetDisplay(), 0, &count_return);
+ wxArrayVideoModes modes;
+ if ( depths )
+ {
+ for ( int x = 0; x < count_return; ++x )
+ {
+ wxVideoMode mode(m_rect.GetWidth(), m_rect.GetHeight(), depths[x]);
+ if ( mode.Matches(modeMatch) )
+ {
+ modes.Add(modeMatch);
+ }
+ }
+
+ XFree(depths);
+ }
+ return modes;
}
-int wxDisplay::GetDepth() const
+wxVideoMode wxDisplayImplX11::GetCurrentMode() const
{
- return m_priv->m_depth;
+ // Not implemented
+ return wxVideoMode();
}
-wxString wxDisplay::GetName() const
+bool wxDisplayImplX11::ChangeMode(const wxVideoMode& WXUNUSED(mode))
{
- return "";
+ // Not implemented
+ return false;
+}
+
+#endif // !HAVE_X11_EXTENSIONS_XF86VMODE_H
+
+// ============================================================================
+// wxDisplay::CreateFactory()
+// ============================================================================
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+ // GTK+ screen functions are always available, no need to check for them
+#ifndef __WXGTK20__
+ if ( !XineramaIsActive((Display*)wxGetDisplay()) )
+ return new wxDisplayFactorySingle;
+#endif
+
+ return new wxDisplayFactoryX11;
}
#endif /* wxUSE_DISPLAY */
+#include "wx/utils.h"
+
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
+
+void wxClientDisplayRect(int *x, int *y, int *width, int *height)
+{
+ // TODO: don't hardcode display size
+ if ( x )
+ *x = 0;
+ if ( y )
+ *y = 0;
+ if ( width )
+ *width = 672;
+ if ( height )
+ *height = 396;
+}
+
+#else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
+
+#include "wx/log.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+// TODO: make this a full-fledged class and move to a public header
+class wxX11Ptr
+{
+public:
+ wxX11Ptr(void *ptr = NULL) : m_ptr(ptr) { }
+ ~wxX11Ptr() { if ( m_ptr ) XFree(m_ptr); }
+
+private:
+ void *m_ptr;
+
+ wxDECLARE_NO_COPY_CLASS(wxX11Ptr);
+};
+
+// NB: this function is implemented using X11 and not GDK calls as it's shared
+// by wxGTK[12], wxX11 and wxMotif ports
+void wxClientDisplayRect(int *x, int *y, int *width, int *height)
+{
+ Display * const dpy = wxGetX11Display();
+ wxCHECK_RET( dpy, wxT("can't be called before initializing the GUI") );
+
+ const Atom atomWorkArea = XInternAtom(dpy, "_NET_WORKAREA", True);
+ if ( atomWorkArea )
+ {
+ long *workareas = NULL;
+ unsigned long numItems;
+ unsigned long bytesRemaining;
+ Atom actualType;
+ int format;
+
+ if ( XGetWindowProperty
+ (
+ dpy,
+ XDefaultRootWindow(dpy),
+ atomWorkArea,
+ 0, // offset of data to retrieve
+ 4, // number of items to retrieve
+ False, // don't delete property
+ XA_CARDINAL, // type of the items to get
+ &actualType,
+ &format,
+ &numItems,
+ &bytesRemaining,
+ (unsigned char **)&workareas
+ ) == Success && workareas )
+ {
+ wxX11Ptr x11ptr(workareas); // ensure it will be freed
+
+ // check that we retrieved the property of the expected type and
+ // that we did get back 4 longs (32 is the format for long), as
+ // requested
+ if ( actualType != XA_CARDINAL ||
+ format != 32 ||
+ numItems != 4 )
+ {
+ wxLogDebug(wxT("XGetWindowProperty(\"_NET_WORKAREA\") failed"));
+ return;
+ }
+
+ if ( x )
+ *x = workareas[0];
+ if ( y )
+ *y = workareas[1];
+ if ( width )
+ *width = workareas[2];
+ if ( height )
+ *height = workareas[3];
+
+ return;
+ }
+ }
+
+ // if we get here, _NET_WORKAREA is not supported so return the entire
+ // screen size as fall back
+ if (x)
+ *x = 0;
+ if (y)
+ *y = 0;
+ wxDisplaySize(width, height);
+}
+
+#endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON
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