Minor header cleaning.

[wxWidgets.git] / src / x11 / utils.cpp

diff --git a/src/x11/utils.cpp b/src/x11/utils.cpp
index 501b9fcaebe1dafa3242b59454e1114fcce3c0af..df9d4f9da5b42e29040cc2e3a1017e953feec1c7 100644 (file)
--- a/src/x11/utils.cpp
+++ b/src/x11/utils.cpp
@@ -13,7 +13,7 @@
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 // ============================================================================
@@ -25,11 +25,15 @@
 // ----------------------------------------------------------------------------
 
 #include "wx/utils.h"
-#include "wx/app.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/window.h" // for wxTopLevelWindows
+    #include "wx/cursor.h"
+    #include "wx/msgdlg.h"
+#endif
+
 #include "wx/apptrait.h"
-#include "wx/msgdlg.h"
-#include "wx/cursor.h"
-#include "wx/window.h" // for wxTopLevelWindows
 
 #include <ctype.h>
 #include <stdarg.h>
@@ -79,18 +83,60 @@ void wxFlushEvents()
 
 bool wxCheckForInterrupt(wxWindow *wnd)
 {
-    wxASSERT_MSG(FALSE, wxT("wxCheckForInterrupt not yet implemented."));
-    return FALSE;
+    wxFAIL_MSG(wxT("wxCheckForInterrupt not yet implemented."));
+    return false;
 }
 
 // ----------------------------------------------------------------------------
 // wxExecute stuff
 // ----------------------------------------------------------------------------
 
+WX_DECLARE_HASH_MAP( int, wxEndProcessData*, wxIntegerHash, wxIntegerEqual, wxProcMap );
+
+static wxProcMap *gs_procmap;
+
 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 {
-    // TODO
-    return 0;
+    if (!gs_procmap) gs_procmap = new wxProcMap();
+    (*gs_procmap)[fd] = proc_data;
+    return 1;
+}
+
+void wxCheckForFinishedChildren()
+{
+    wxProcMap::iterator it;
+    if (!gs_procmap) return;
+    if (gs_procmap->size() == 0) {
+      // Map empty, delete it.
+      delete gs_procmap;
+      gs_procmap = NULL;
+    }
+    for (it = gs_procmap->begin();it != gs_procmap->end(); ++it)
+    {
+        wxEndProcessData *proc_data = it->second;
+        int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
+        int status = 0;
+        // has the process really terminated?
+        int rc = waitpid(pid, &status, WNOHANG);
+        if (rc == 0)
+            continue;       // no, it didn't exit yet, continue waiting
+
+        // set exit code to -1 if something bad happened
+        proc_data->exitcode = rc != -1 && WIFEXITED(status) ?
+                   WEXITSTATUS(status) : -1;
+
+        // child exited, end waiting
+        close(it->first);
+
+        // don't call us again!
+        gs_procmap->erase(it->first);
+
+        wxHandleProcessTermination(proc_data);
+
+        // Iterator is invalid. Handle any further children in subsequent
+        // calls.
+        break;
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -107,17 +153,22 @@ void wxBell()
 }
 #endif
 
-wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
 {
-    static wxToolkitInfo info;
-    info.shortName = _T("x11univ");
-    info.name = _T("wxX11");
-    info.versionMajor = 0;
-    info.versionMinor = 0;
-    info.os = wxX11;
-    return info;
+    // get X protocol version
+    Display *display = wxGlobalDisplay();
+    if (display)
+    {
+        if ( verMaj )
+            *verMaj = ProtocolVersion (display);
+        if ( verMin )
+            *verMin = ProtocolRevision (display);
+    }
+
+    return wxPORT_X11;
 }
 
+
 // ----------------------------------------------------------------------------
 // display info
 // ----------------------------------------------------------------------------
@@ -142,7 +193,7 @@ void wxGetMousePosition( int* x, int* y )
 #endif
 };
 
-// Return TRUE if we have a colour display
+// Return true if we have a colour display
 bool wxColourDisplay()
 {
     return wxDisplayDepth() > 1;
@@ -188,40 +239,54 @@ void wxClientDisplayRect(int *x, int *y, int *width, int *height)
     wxDisplaySize(width, height);
 }
 
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
+{
+    return wxGenericFindWindowAtPoint(pt);
+}
+
 
 // Configurable display in wxX11 and wxMotif
-static WXDisplay *gs_currentDisplay = NULL;
+static Display *gs_currentDisplay = NULL;
 static wxString gs_displayName;
 
 WXDisplay *wxGetDisplay()
 {
-    if (gs_currentDisplay)
-        return gs_currentDisplay;
-    return wxApp::GetDisplay();
+    return (WXDisplay *)gs_currentDisplay;
 }
 
-bool wxSetDisplay(const wxString& display_name)
+// close the current display
+void wxCloseDisplay()
 {
-    gs_displayName = display_name;
-
-    if ( display_name.empty() )
+    if ( gs_currentDisplay )
     {
-        gs_currentDisplay = NULL;
+        if ( XCloseDisplay(gs_currentDisplay) != 0 )
+        {
+            wxLogWarning(_("Failed to close the display \"%s\""),
+                         gs_displayName.c_str());
+        }
 
-        return true;
+        gs_currentDisplay = NULL;
+        gs_displayName.clear();
     }
-    else
-    {
-        Display* display = XOpenDisplay((char*) display_name.c_str());
+}
 
-        if (display)
-        {
-            gs_currentDisplay = (WXDisplay*) display;
-            return true;
-        }
-        else
-            return FALSE;
+bool wxSetDisplay(const wxString& displayName)
+{
+    Display *
+        dpy = XOpenDisplay(displayName.empty() ? NULL : displayName.mb_str());
+
+    if ( !dpy )
+    {
+        wxLogError(_("Failed to open display \"%s\"."), displayName.c_str());
+        return false;
     }
+
+    wxCloseDisplay();
+
+    gs_currentDisplay = dpy;
+    gs_displayName = displayName;
+
+    return true;
 }
 
 wxString wxGetDisplayName()
@@ -229,10 +294,20 @@ wxString wxGetDisplayName()
     return gs_displayName;
 }
 
-wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
+#include "wx/module.h"
+
+// the module responsible for closing the X11 display at the program end
+class wxX11DisplayModule : public wxModule
 {
-    return wxGenericFindWindowAtPoint(pt);
-}
+public:
+    virtual bool OnInit() { return true; }
+    virtual void OnExit() { wxCloseDisplay(); }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxX11DisplayModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxX11DisplayModule, wxModule)
 
 // ----------------------------------------------------------------------------
 // Some colour manipulation routines