/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk1/app.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/app.h"
-#include "wx/gdicmn.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/memory.h"
-#include "wx/font.h"
-#include "wx/settings.h"
-#include "wx/dialog.h"
-
-#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
-#endif
-#include "wx/module.h"
-#include "wx/image.h"
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/dialog.h"
+ #include "wx/settings.h"
+ #include "wx/msgdlg.h"
+ #include "wx/memory.h"
+ #include "wx/font.h"
+ #include "wx/gdicmn.h"
+ #include "wx/image.h"
+ #include "wx/module.h"
+#endif
+#include "wx/file.h"
+#include "wx/filename.h"
#include "wx/thread.h"
-#include "unistd.h"
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif
-#include <glib.h>
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#ifdef __WXUNIVERSAL__
+ #include "wx/univ/theme.h"
+ #include "wx/univ/renderer.h"
+#endif
-#include "wx/gtk/win_gtk.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+#endif
+
+#include <unistd.h>
+
+#ifdef HAVE_POLL
+ #if defined(__VMS)
+ #include <poll.h>
+ #else
+ // bug in the OpenBSD headers: at least in 3.1 there is no extern "C"
+ // in neither poll.h nor sys/poll.h which results in link errors later
+ #ifdef __OPENBSD__
+ extern "C"
+ {
+ #endif
+
+ #include <sys/poll.h>
+
+ #ifdef __OPENBSD__
+ };
+ #endif
+ #endif // platform
+#else // !HAVE_POLL
+ // we implement poll() ourselves using select() which is supposed exist in
+ // all modern Unices
+ #include <sys/types.h>
+ #include <sys/time.h>
+ #include <unistd.h>
+ #ifdef HAVE_SYS_SELECT_H
+ #include <sys/select.h>
+ #endif
+#endif // HAVE_POLL/!HAVE_POLL
+
+#include "wx/unix/private.h"
+#include "wx/gtk1/win_gtk.h"
+
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
-wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-extern wxList wxPendingDelete;
-extern wxResourceCache *wxTheResourceCache;
+bool g_mainThreadLocked = false;
+gint g_pendingTag = 0;
-unsigned char g_palette[64*3] =
-{
- 0x0, 0x0, 0x0,
- 0xff, 0xff, 0xff,
- 0xff, 0x0, 0x0,
- 0xff, 0xff, 0x0,
- 0x0, 0xff, 0x0,
- 0x0, 0x0, 0xff,
- 0x0, 0xff, 0xff,
- 0x99, 0x99, 0x99,
- 0xff, 0x88, 0x0,
- 0x88, 0x0, 0x0,
- 0x0, 0x88, 0x88,
- 0x88, 0x88, 0x0,
- 0xff, 0xcc, 0x97,
- 0xbb, 0xbb, 0xbb,
- 0x9f, 0x6b, 0x42,
- 0x55, 0x55, 0x55,
- 0xdd, 0xdd, 0xdd,
- 0x77, 0x77, 0x77,
- 0x33, 0x33, 0x33,
- 0xcc, 0x0, 0x0,
- 0xff, 0x44, 0x0,
- 0xff, 0xcc, 0x0,
- 0xcc, 0xcc, 0x0,
- 0x60, 0x60, 0x0,
- 0x0, 0x43, 0x0,
- 0x0, 0x7f, 0x0,
- 0x0, 0xcc, 0x0,
- 0x0, 0x44, 0x44,
- 0x0, 0x0, 0x44,
- 0x0, 0x0, 0x88,
- 0xef, 0xb1, 0x7b,
- 0xdf, 0x98, 0x5f,
- 0xbf, 0x87, 0x56,
- 0x7f, 0x57, 0x26,
- 0x5f, 0x39, 0xc,
- 0x3f, 0x1c, 0x0,
- 0x21, 0x0, 0x0,
- 0x0, 0x43, 0x87,
- 0x2d, 0x70, 0xaf,
- 0x5a, 0x9e, 0xd7,
- 0x87, 0xcc, 0xff,
- 0xff, 0xe0, 0xba,
- 0x21, 0x43, 0xf,
- 0x3d, 0x5d, 0x25,
- 0x59, 0x78, 0x3a,
- 0x75, 0x93, 0x4f,
- 0x91, 0xae, 0x64,
- 0xad, 0xc8, 0x7a,
- 0xf0, 0xa8, 0xef,
- 0xd0, 0x88, 0xd0,
- 0xaf, 0x66, 0xaf,
- 0x8e, 0x44, 0x8e,
- 0x6d, 0x22, 0x6d,
- 0x4b, 0x0, 0x4b,
- 0xff, 0xc0, 0xbc,
- 0xff, 0x93, 0x91,
- 0xff, 0x66, 0x67,
- 0xd8, 0xf2, 0xbf,
- 0xff, 0xc9, 0x68,
- 0xff, 0x96, 0x67,
- 0xa5, 0x60, 0xff,
- 0x51, 0xff, 0x99,
- 0x3f, 0xa5, 0x63,
- 0x98, 0x90, 0x67
-};
+static GtkWidget *gs_RootWindow = NULL;
//-----------------------------------------------------------------------------
-// local functions
+// idle system
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+extern bool g_isIdle;
+
+void wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
+
//-----------------------------------------------------------------------------
-// global functions
+// wxWakeUpIdle
//-----------------------------------------------------------------------------
-void wxExit()
-{
- gtk_main_quit();
-}
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary. The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
-bool wxYield()
+void wxApp::WakeUpIdle()
{
- // it's necessary to call ProcessIdle() to update the frames sizes which
- // might have been changed (it also will update other things set from
- // OnUpdateUI() which is a nice (and desired) side effect)
- for ( wxNode *node = wxTopLevelWindows.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxWindow *win = ((wxWindow*)node->GetData());
- win->OnInternalIdle();
- }
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif // wxUSE_THREADS
- while (gtk_events_pending() > 0)
- gtk_main_iteration();
+ wxapp_install_idle_handler();
- return TRUE;
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif // wxUSE_THREADS
}
//-----------------------------------------------------------------------------
-// wxApp
+// local functions
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
+{
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
{
- if (wxTheApp)
+ if (!wxTheApp) return TRUE;
+
+ // When getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves.
+ gdk_threads_enter();
+
+ // Sent idle event to all who request them.
+ wxTheApp->ProcessPendingEvents();
+
{
- while (wxTheApp->ProcessIdle())
- {
- }
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ g_pendingTag = 0;
}
- wxMutexGuiLeave();
- wxUsleep(10);
- wxMutexGuiEnter();
+ // Flush the logged messages if any.
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ // Release lock again
+ gdk_threads_leave();
- return TRUE;
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
}
-wxApp::wxApp()
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
- wxTheApp = this;
+ if (!wxTheApp)
+ return TRUE;
- m_topWindow = (wxWindow *) NULL;
- m_exitOnFrameDelete = TRUE;
+#if wxDEBUG_LEVEL
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this completely confuses the apps which don't expect to be reentered
+ // from some safely-looking functions
+ if ( wxTheApp->IsInAssert() )
+ {
+ // But repaint the assertion message if necessary
+ if (wxTopLevelWindows.GetCount() > 0)
+ {
+ wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();
+ if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
+ win->OnInternalIdle();
+ }
+ return TRUE;
+ }
+#endif // wxDEBUG_LEVEL
- m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+ // When getting called from GDK's time-out handler
+ // we are no longer within GDK's grab on the GUI
+ // thread so we must lock it here ourselves.
+ gdk_threads_enter();
- m_colorCube = (unsigned char*) NULL;
-}
+ // Indicate that we are now in idle mode and event handlers
+ // will have to reinstall the idle handler again.
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ g_isIdle = TRUE;
+ wxTheApp->m_idleTag = 0;
+ }
-wxApp::~wxApp()
-{
- gtk_idle_remove( m_idleTag );
+ // Send idle event to all who request them as long as
+ // no events have popped up in the event queue.
+ while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
+ ;
- if (m_colorCube) free(m_colorCube);
-}
+ // Release lock again
+ gdk_threads_leave();
-bool wxApp::OnInitGui()
-{
- /* Nothing to do for 15, 16, 24, 32 bit displays */
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream).
+ return FALSE;
+}
- GdkVisual *visual = gdk_visual_get_system();
- if (visual->depth > 8) return TRUE;
+#if wxUSE_THREADS
- /* this initiates the standard palette as defined by GdkImlib
- in the GNOME libraries. it ensures that all GNOME applications
- use the same 64 colormap entries on 8-bit displays so you
- can use several rather graphics-heavy applications at the
- same time.
- NOTE: this doesn't really seem to work this way... */
+#ifdef HAVE_POLL
+ #define wxPoll poll
+ #define wxPollFd pollfd
+#else // !HAVE_POLL
- /*
- GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+typedef GPollFD wxPollFd;
- for (int i = 0; i < 64; i++)
- {
- GdkColor col;
- col.red = g_palette[i*3 + 0] << 8;
- col.green = g_palette[i*3 + 1] << 8;
- col.blue = g_palette[i*3 + 2] << 8;
- col.pixel = 0;
+int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
+{
+ // convert timeout from ms to struct timeval (s/us)
+ timeval tv_timeout;
+ tv_timeout.tv_sec = timeout/1000;
+ tv_timeout.tv_usec = (timeout%1000)*1000;
+
+ // remember the highest fd used here
+ int fdMax = -1;
+
+ // and fill the sets for select()
+ fd_set readfds;
+ fd_set writefds;
+ fd_set exceptfds;
+ wxFD_ZERO(&readfds);
+ wxFD_ZERO(&writefds);
+ wxFD_ZERO(&exceptfds);
+
+ unsigned int i;
+ for ( i = 0; i < nfds; i++ )
+ {
+ wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, wxT("fd out of range") );
- gdk_color_alloc( cmap, &col );
- }
+ if ( ufds[i].events & G_IO_IN )
+ wxFD_SET(ufds[i].fd, &readfds);
- gtk_widget_set_default_colormap( cmap );
- */
+ if ( ufds[i].events & G_IO_PRI )
+ wxFD_SET(ufds[i].fd, &exceptfds);
- /* initialize color cube for 8-bit color reduction dithering */
+ if ( ufds[i].events & G_IO_OUT )
+ wxFD_SET(ufds[i].fd, &writefds);
- GdkColormap *cmap = gtk_widget_get_default_colormap();
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
- m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
+ fdMax++;
+ int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
- for (int r = 0; r < 32; r++)
- {
- for (int g = 0; g < 32; g++)
- {
- for (int b = 0; b < 32; b++)
- {
- int rr = (r << 3) | (r >> 2);
- int gg = (g << 3) | (g >> 2);
- int bb = (b << 3) | (b >> 2);
+ // translate the results back
+ for ( i = 0; i < nfds; i++ )
+ {
+ ufds[i].revents = 0;
- GdkColor *colors = cmap->colors;
- int max = 3 * (65536);
- int index = -1;
+ if ( wxFD_ISSET(ufds[i].fd, &readfds ) )
+ ufds[i].revents |= G_IO_IN;
- for (int i = 0; i < cmap->size; i++)
- {
- int rdiff = ((rr << 8) - colors[i].red);
- int gdiff = ((gg << 8)- colors[i].green);
- int bdiff = ((bb << 8)- colors[i].blue);
- int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
- if (sum < max) { index = i; max = sum; }
- }
+ if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )
+ ufds[i].revents |= G_IO_PRI;
- m_colorCube[ (r*1024) + (g*32) + b ] = index;
- }
- }
+ if ( wxFD_ISSET(ufds[i].fd, &writefds ) )
+ ufds[i].revents |= G_IO_OUT;
}
-
- return TRUE;
+ return res;
}
-bool wxApp::ProcessIdle()
-{
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
+#endif // HAVE_POLL/!HAVE_POLL
- return event.MoreRequested();
-}
-
-void wxApp::OnIdle( wxIdleEvent &event )
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
{
- static bool inOnIdle = FALSE;
-
- /* Avoid recursion (via ProcessEvent default case) */
- if (inOnIdle)
- return;
-
- inOnIdle = TRUE;
+ gdk_threads_enter();
- /* 'Garbage' collection of windows deleted with Close(). */
- DeletePendingObjects();
+ wxMutexGuiLeave();
+ g_mainThreadLocked = true;
- /* flush the logged messages if any */
- wxLog *log = wxLog::GetActiveTarget();
- if (log != NULL && log->HasPendingMessages())
- log->Flush();
+ // we rely on the fact that glib GPollFD struct is really just pollfd but
+ // I wonder how wise is this in the long term (VZ)
+ gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
- /* Send OnIdle events to all windows */
- bool needMore = SendIdleEvents();
+ wxMutexGuiEnter();
+ g_mainThreadLocked = false;
- if (needMore)
- event.RequestMore(TRUE);
+ gdk_threads_leave();
- inOnIdle = FALSE;
+ return res;
}
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
+#endif // wxUSE_THREADS
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
- node = node->Next();
- }
- return needMore;
-}
+} // extern "C"
-bool wxApp::SendIdleEvents( wxWindow* win )
+void wxapp_install_idle_handler()
{
- bool needMore = FALSE;
-
- wxIdleEvent event;
- event.SetEventObject(win);
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
- win->OnInternalIdle();
+ // Don't install the handler if it's already installed. This test *MUST*
+ // be done when gs_idleTagsMutex is locked!
+ if (!g_isIdle)
+ return;
- win->ProcessEvent(event);
+ // GD: this assert is raised when using the thread sample (which works)
+ // so the test is probably not so easy. Can widget callbacks be
+ // triggered from child threads and, if so, for which widgets?
+ // wxASSERT_MSG( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") );
- if (event.MoreRequested())
- needMore = TRUE;
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
- wxNode* node = win->GetChildren().First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ g_isIdle = false;
- node = node->Next();
- }
- return needMore ;
-}
+ if (g_pendingTag == 0)
+ g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
-int wxApp::MainLoop()
-{
- gtk_main();
- return 0;
+ // This routine gets called by all event handlers
+ // indicating that the idle is over. It may also
+ // get called from other thread for sending events
+ // to the main thread (and processing these in
+ // idle time). Very low priority.
+ wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
}
-void wxApp::ExitMainLoop()
+static bool wxOKlibc()
{
- gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
- return m_initialized;
-}
-
-bool wxApp::Pending()
-{
- return FALSE;
+#if defined(__UNIX__) && defined(__GLIBC__)
+ // glibc 2.0 uses UTF-8 even when it shouldn't
+ wchar_t res = 0;
+ if ((MB_CUR_MAX == 2) &&
+ (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
+ (res==0x765))
+ {
+ // this is UTF-8 allright, check whether that's what we want
+ char *cur_locale = setlocale(LC_CTYPE, NULL);
+ if ((strlen(cur_locale) < 4) ||
+ (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
+ (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
+ // nope, don't use libc conversion
+ return false;
+ }
+ }
+#endif
+ return true;
}
-void wxApp::Dispatch()
-{
-}
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
-void wxApp::DeletePendingObjects()
+GtkWidget* wxGetRootWindow()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
+ if (gs_RootWindow == NULL)
{
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
-
- if (wxPendingDelete.Member(obj))
- delete node;
-
- node = wxPendingDelete.First();
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
}
+ return gs_RootWindow;
}
-wxWindow *wxApp::GetTopWindow()
-{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return (wxWindow *) NULL;
- return (wxWindow*)node->Data();
-}
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
-void wxApp::SetTopWindow( wxWindow *win )
-{
- m_topWindow = win;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-bool wxApp::Initialize()
+wxApp::wxApp()
{
- wxBuffer = new char[BUFSIZ + 512];
-
- wxClassInfo::InitializeClasses();
-
- wxSystemSettings::Init();
+ m_isInAssert = false;
-/*
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
-*/
+ m_idleTag = 0;
+ g_isIdle = TRUE;
+ wxapp_install_idle_handler();
- wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
- wxTheColourDatabase->Initialize();
-
- wxInitializeStockLists();
- wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
- wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
-
- wxInitializeResourceSystem();
+#if wxUSE_THREADS
+ g_main_set_poll_func( wxapp_poll_func );
#endif
- wxImage::InitStandardHandlers();
+ m_colorCube = (unsigned char*) NULL;
- /* no global cursor under X
- g_globalCursor = new wxCursor; */
+ // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
+ m_glVisualInfo = NULL;
+ m_glFBCInfo = NULL;
+}
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
+wxApp::~wxApp()
+{
+ if (m_idleTag) gtk_idle_remove( m_idleTag );
- return TRUE;
+ if (m_colorCube) free(m_colorCube);
}
-void wxApp::CleanUp()
+bool wxApp::OnInitGui()
{
- wxModule::CleanUpModules();
+ if ( !wxAppBase::OnInitGui() )
+ return false;
-#if wxUSE_WX_RESOURCES
- wxFlushResources();
+ GdkVisual *visual = gdk_visual_get_system();
- if (wxTheResourceCache)
- delete wxTheResourceCache;
- wxTheResourceCache = (wxResourceCache*) NULL;
+ // if this is a wxGLApp (derived from wxApp), and we've already
+ // chosen a specific visual, then derive the GdkVisual from that
+ if (m_glVisualInfo != NULL)
+ {
+ GdkVisual* vis = gdkx_visual_get(
+ ((XVisualInfo *) m_glVisualInfo) ->visualid );
+ gtk_widget_set_default_visual( vis );
- wxCleanUpResourceSystem();
-#endif
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
- if (wxTheColourDatabase)
- delete wxTheColourDatabase;
- wxTheColourDatabase = (wxColourDatabase*) NULL;
+ visual = vis;
+ }
-/*
- if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
- wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-*/
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
- wxDeleteStockObjects();
+ else
+ if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
+ {
+ GdkVisual* vis = gdk_visual_get_best();
+ gtk_widget_set_default_visual( vis );
- wxDeleteStockLists();
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
- wxImage::CleanUpHandlers();
+ visual = vis;
+ }
- delete wxTheApp;
- wxTheApp = (wxApp*) NULL;
+ // Nothing to do for 15, 16, 24, 32 bit displays
+ if (visual->depth > 8) return TRUE;
- wxSystemSettings::Done();
+ // initialize color cube for 8-bit color reduction dithering
- delete[] wxBuffer;
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
- wxClassInfo::CleanUpClasses();
+ m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
- // check for memory leaks
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- if (wxDebugContext::CountObjectsLeft() > 0)
+ for (int r = 0; r < 32; r++)
{
- wxLogDebug("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
-#endif
+ for (int g = 0; g < 32; g++)
+ {
+ for (int b = 0; b < 32; b++)
+ {
+ int rr = (r << 3) | (r >> 2);
+ int gg = (g << 3) | (g >> 2);
+ int bb = (b << 3) | (b >> 2);
- // do this as the very last thing because everything else can log messages
- wxLog::DontCreateOnDemand();
+ int index = -1;
- wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
- if (oldLog)
- delete oldLog;
+ GdkColor *colors = cmap->colors;
+ if (colors)
+ {
+ int max = 3 * 65536;
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = ((rr << 8) - colors[i].red);
+ int gdiff = ((gg << 8) - colors[i].green);
+ int bdiff = ((bb << 8) - colors[i].blue);
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max)
+ {
+ index = i; max = sum;
+ }
+ }
+ }
+ else
+ {
+ // assume 8-bit true or static colors. this really exists
+ GdkVisual* vis = gdk_colormap_get_visual( cmap );
+ index = (r >> (5 - vis->red_prec)) << vis->red_shift;
+ index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
+ index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
+ }
+ m_colorCube[ (r*1024) + (g*32) + b ] = index;
+ }
+ }
+ }
+
+ return true;
}
-wxLog *wxApp::CreateLogTarget()
+GdkVisual *wxApp::GetGdkVisual()
{
- return new wxLogGui;
-}
+ GdkVisual *visual = NULL;
-//-----------------------------------------------------------------------------
-// wxEntry
-//-----------------------------------------------------------------------------
+ if (m_glVisualInfo)
+ visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ else
+ visual = gdk_window_get_visual( wxGetRootWindow()->window );
-int wxEntry( int argc, char *argv[] )
-{
- gtk_set_locale();
+ wxASSERT( visual );
- gtk_init( &argc, &argv );
+ return visual;
+}
- if (!wxApp::Initialize())
- return -1;
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+ bool init_result;
- if (!wxTheApp)
+#if wxUSE_THREADS
+ // GTK 1.2 up to version 1.2.3 has broken threads
+ if ((gtk_major_version == 1) &&
+ (gtk_minor_version == 2) &&
+ (gtk_micro_version < 4))
+ {
+ printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
+ }
+ else
{
- wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
- "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
+ if (!g_thread_supported())
+ g_thread_init(NULL);
+ }
+#endif // wxUSE_THREADS
- wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
+ gtk_set_locale();
- wxObject *test_app = app_ini();
+ // We should have the wxUSE_WCHAR_T test on the _outside_
+ if (!wxOKlibc())
+ wxConvCurrent = &wxConvLocal;
- wxTheApp = (wxApp*) test_app;
+#if wxUSE_UNICODE
+ // gtk_init() wants UTF-8, not wchar_t, so convert
+ int i;
+ char **argvGTK = new char *[argc + 1];
+ for ( i = 0; i < argc; i++ )
+ {
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
}
- wxCHECK_MSG( wxTheApp, -1, "wxWindows error: no application object" );
+ argvGTK[argc] = NULL;
- wxTheApp->argc = argc;
- wxTheApp->argv = argv;
+ int argcGTK = argc;
- char name[200];
- strcpy( name, argv[0] );
- strcpy( name, wxFileNameFromPath(name) );
- wxStripExtension( name );
- wxTheApp->SetAppName( name );
+#ifdef __WXGPE__
+ init_result = true; // is there a _check() version of this?
+ gpe_application_init( &argcGTK, &argvGTK );
+#else
+ init_result = gtk_init_check( &argcGTK, &argvGTK );
+#endif
- if (!wxTheApp->OnInitGui())
- return 0;
+ if ( argcGTK != argc )
+ {
+ // we have to drop the parameters which were consumed by GTK+
+ for ( i = 0; i < argcGTK; i++ )
+ {
+ while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
+ {
+ memmove(argv + i, argv + i + 1, argc - i);
+ }
+ }
- /* Here frames insert themselves automatically
- * into wxTopLevelWindows by getting created
- * in OnInit(). */
+ argc = argcGTK;
+ }
+ //else: gtk_init() didn't modify our parameters
- if (!wxTheApp->OnInit())
- return 0;
+ // free our copy
+ for ( i = 0; i < argcGTK; i++ )
+ {
+ free(argvGTK[i]);
+ }
- wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
+ delete [] argvGTK;
+#else // !wxUSE_UNICODE
+ // gtk_init() shouldn't actually change argv itself (just its contents) so
+ // it's ok to pass pointer to it
+ init_result = gtk_init_check( &argc, &argv );
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
- int retValue = 0;
+ if (!init_result) {
+ wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+ return false;
+ }
- if (wxTheApp->Initialized())
- retValue = wxTheApp->OnRun();
+ // we can not enter threads before gtk_init is done
+ gdk_threads_enter();
- wxWindow *topWindow = wxTheApp->GetTopWindow();
- if (topWindow)
+ if ( !wxAppBase::Initialize(argc, argv) )
{
- // Forcibly delete the window.
- if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
- topWindow->IsKindOf(CLASSINFO(wxDialog)) )
- {
- topWindow->Close( TRUE );
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete topWindow;
- wxTheApp->SetTopWindow( (wxWindow*) NULL );
- }
+ gdk_threads_leave();
+
+ return false;
}
- wxTheApp->OnExit();
+ wxSetDetectableAutoRepeat( TRUE );
- // flush the logged messages if any
- wxLog *log = wxLog::GetActiveTarget();
- if (log != NULL && log->HasPendingMessages())
- log->Flush();
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
- // continuing to use user defined log target is unsafe from now on because
- // some resources may be already unavailable, so replace it by something
- // more safe
- wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
- if ( oldlog )
- delete oldlog;
+ return true;
+}
+
+void wxApp::CleanUp()
+{
+ gdk_threads_leave();
- wxApp::CleanUp();
+ wxAppBase::CleanUp();
+}
- return retValue;
+void wxApp::OnAssertFailure(const wxChar *file,
+ int line,
+ const wxChar* func,
+ const wxChar* cond,
+ const wxChar *msg)
+{
+ // there is no need to do anything if asserts are disabled in this build
+ // anyhow
+#if wxDEBUG_LEVEL
+ // block wx idle events while assert dialog is showing
+ m_isInAssert = true;
+
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
+
+ m_isInAssert = false;
+#else // !wxDEBUG_LEVEL
+ wxUnusedVar(file);
+ wxUnusedVar(line);
+ wxUnusedVar(func);
+ wxUnusedVar(cond);
+ wxUnusedVar(msg);
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
}
+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (!g_isIdle)
+ {
+ gtk_idle_remove( wxTheApp->m_idleTag );
+ wxTheApp->m_idleTag = 0;
+ g_isIdle = true;
+ }
+}
projects / wxWidgets.git / blobdiff