projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 8000ae7f VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/evtloop.cpp | |
| 3 | // Purpose: implements wxEventLoop for GTK+ | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Modified by: | |
| 6 | // Created: 10.07.01 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
| 9 | // License: wxWindows license | |
| 10 | /////////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | // ============================================================================ | |
| 13 | // declarations | |
| 14 | // ============================================================================ | |
| 15 | ||
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | // headers | |
| 18 | // ---------------------------------------------------------------------------- | |
| 19 | ||
| 20 | #ifdef __GNUG__ | |
| 21 | #pragma implementation "evtloop.h" | |
| 22 | #endif | |
| 23 | ||
| 24 | // For compilers that support precompilation, includes "wx.h". | |
| 25 | #include "wx/wxprec.h" | |
| 26 | ||
| 27 | #ifdef __BORLANDC__ | |
| 28 | #pragma hdrstop | |
| 29 | #endif | |
| 30 | ||
| 31 | #ifndef WX_PRECOMP | |
| 32 | #endif //WX_PRECOMP | |
| 33 | ||
| 34 | #include "wx/evtloop.h" | |
| 35 | ||
| 36 | #include <gtk/gtk.h> | |
| 37 | ||
| 38 | // ---------------------------------------------------------------------------- | |
| 39 | // wxEventLoopImpl | |
| 40 | // ---------------------------------------------------------------------------- | |
| 41 | ||
| 42 | class WXDLLEXPORT wxEventLoopImpl | |
| 43 | { | |
| 44 | public: | |
| 45 | // ctor | |
| 46 | wxEventLoopImpl() { SetExitCode(0); } | |
| 47 | ||
| 48 | // set/get the exit code | |
| 49 | void SetExitCode(int exitcode) { m_exitcode = exitcode; } | |
| 50 | int GetExitCode() const { return m_exitcode; } | |
| 51 | ||
| 52 | private: | |
| 53 | // the exit code of the event loop | |
| 54 | int m_exitcode; | |
| 55 | }; | |
| 56 | ||
| 57 | // ============================================================================ | |
| 58 | // wxEventLoop implementation | |
| 59 | // ============================================================================ | |
| 60 | ||
| 61 | // ---------------------------------------------------------------------------- | |
| 62 | // wxEventLoop running and exiting | |
| 63 | // ---------------------------------------------------------------------------- | |
| 64 | ||
| 65 | wxEventLoop::~wxEventLoop() | |
| 66 | { | |
| 67 | wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") ); | |
| 68 | } | |
| 69 | ||
| 70 | bool wxEventLoop::IsRunning() const | |
| 71 | { | |
| 72 | return m_impl != NULL; | |
| 73 | } | |
| 74 | ||
| 75 | int wxEventLoop::Run() | |
| 76 | { | |
| 77 | // event loops are not recursive, you need to create another loop! | |
| 78 | wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") ); | |
| 79 | ||
| 80 | m_impl = new wxEventLoopImpl; | |
| 81 | ||
| 82 | gtk_main(); | |
| 83 | ||
| 84 | int exitcode = m_impl->GetExitCode(); | |
| 85 | delete m_impl; | |
| 86 | m_impl = NULL; | |
| 87 | ||
| 88 | return exitcode; | |
| 89 | } | |
| 90 | ||
| 91 | void wxEventLoop::Exit(int rc) | |
| 92 | { | |
| 93 | wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); | |
| 94 | ||
| 95 | m_impl->SetExitCode(rc); | |
| 96 | ||
| 97 | gtk_main_quit(); | |
| 98 | } | |
| 99 | ||
| 100 | // ---------------------------------------------------------------------------- | |
| 101 | // wxEventLoop message processing dispatching | |
| 102 | // ---------------------------------------------------------------------------- | |
| 103 | ||
| 104 | bool wxEventLoop::Pending() const | |
| 105 | { | |
| 106 | return gtk_events_pending() > 0; | |
| 107 | } | |
| 108 | ||
| 109 | bool wxEventLoop::Dispatch() | |
| 110 | { | |
| 111 | wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") ); | |
| 112 | ||
| 113 | gtk_main_iteration(); | |
| 114 | ||
| 115 | return TRUE; | |
| 116 | } | |
| 117 |