diff options
Diffstat (limited to 'lib/wx/c_src/wxe_main.cpp')
| -rw-r--r-- | lib/wx/c_src/wxe_main.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/lib/wx/c_src/wxe_main.cpp b/lib/wx/c_src/wxe_main.cpp new file mode 100644 index 0000000000..2bec2422c9 --- /dev/null +++ b/lib/wx/c_src/wxe_main.cpp @@ -0,0 +1,163 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2014. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +#if defined(_WIN32) +#include <wx/msw/private.h> // for wxSetInstance +#endif + +#include "wxe_impl.h" + +// Until fixed in emulator +#ifndef _WIN32 +extern "C" { + extern void erts_thread_disable_fpe(void); +} +#endif + +ErlDrvTid wxe_thread; + +ErlDrvMutex *wxe_status_m; +ErlDrvCond *wxe_status_c; + +int wxe_status = WXE_NOT_INITIATED; + +ErlDrvMutex * wxe_batch_locker_m; +ErlDrvCond * wxe_batch_locker_c; +ErlDrvTermData init_caller = 0; + +#ifdef __DARWIN__ +extern "C" { + int erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp); + int erl_drv_steal_main_thread(char *name, + ErlDrvTid *dtid, + void* (*func)(void*), + void* arg, + ErlDrvThreadOpts *opts); +} +#endif + +void *wxe_main_loop(void * ); + +/* ************************************************************ + * START AND STOP of driver thread + * ************************************************************/ + +int load_native_gui() +{ + return 1; +} + +int start_native_gui(wxe_data *sd) +{ + int res; + wxe_status_m = erl_drv_mutex_create((char *) "wxe_status_m"); + wxe_status_c = erl_drv_cond_create((char *)"wxe_status_c"); + + wxe_batch_locker_m = erl_drv_mutex_create((char *)"wxe_batch_locker_m"); + wxe_batch_locker_c = erl_drv_cond_create((char *)"wxe_batch_locker_c"); + init_caller = driver_connected(sd->port_handle); + +#ifdef __DARWIN__ + res = erl_drv_steal_main_thread((char *)"wxwidgets", + &wxe_thread,wxe_main_loop,(void *) sd->pdl,NULL); +#else + res = erl_drv_thread_create((char *)"wxwidgets", + &wxe_thread,wxe_main_loop,(void *) sd->pdl,NULL); +#endif + if(res == 0) { + erl_drv_mutex_lock(wxe_status_m); + for(;wxe_status == WXE_NOT_INITIATED;) { + erl_drv_cond_wait(wxe_status_c, wxe_status_m); + } + erl_drv_mutex_unlock(wxe_status_m); + return wxe_status; + } else { + wxString msg; + msg.Printf(wxT("Erlang failed to create wxe-thread %d\r\n"), res); + send_msg("error", &msg); + return -1; + } +} + +void stop_native_gui(wxe_data *sd) +{ + if(wxe_status == WXE_INITIATED) { + meta_command(WXE_SHUTDOWN, sd); + } +#ifdef __DARWIN__ + erl_drv_stolen_main_thread_join(wxe_thread, NULL); +#else + erl_drv_thread_join(wxe_thread, NULL); +#endif + erl_drv_mutex_destroy(wxe_status_m); + erl_drv_cond_destroy(wxe_status_c); + erl_drv_mutex_destroy(wxe_batch_locker_m); + erl_drv_cond_destroy(wxe_batch_locker_c); +} + +void unload_native_gui() +{ + +} + +/* ************************************************************ + * wxWidgets Thread + * ************************************************************/ + +void *wxe_main_loop(void *vpdl) +{ + int result; + int argc = 1; + char * temp = (char *) "Erlang"; + char * argv[] = {temp,NULL}; + ErlDrvPDL pdl = (ErlDrvPDL) vpdl; + + driver_pdl_inc_refc(pdl); + + // Disable floating point execption if they are on. + // This should be done in emulator but it's not in yet. +#ifndef _WIN32 + erts_thread_disable_fpe(); +#else + // Setup that wxWidgets should look for cursors and icons in + // this dll and not in werl.exe (which is the default) + HMODULE WXEHandle = GetModuleHandle(_T("wxe_driver")); + wxSetInstance((HINSTANCE) WXEHandle); +#endif + + wxe_ps_init(); + result = wxEntry(argc, argv); + // fprintf(stderr, "WXWidgets quits main loop %d \r\n", result); + if(result >= 0 && wxe_status == WXE_INITIATED) { + /* We are done try to make a clean exit */ + wxe_status = WXE_EXITED; + driver_pdl_dec_refc(pdl); +#ifndef __DARWIN__ + erl_drv_thread_exit(NULL); +#endif + return NULL; + } else { + erl_drv_mutex_lock(wxe_status_m); + wxe_status = WXE_ERROR; + erl_drv_cond_signal(wxe_status_c); + erl_drv_mutex_unlock(wxe_status_m); + driver_pdl_dec_refc(pdl); + return NULL; + } +} |