From 3e12120327654e7e66f7ae09cd3929cb1132766c Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Mon, 13 Apr 2015 15:58:22 +0200 Subject: wx: Optimize command queues Remove allocations --- lib/wx/c_src/wxe_helpers.cpp | 167 +++++++++++++++++++---- lib/wx/c_src/wxe_helpers.h | 30 ++++- lib/wx/c_src/wxe_impl.cpp | 298 ++++++++++++++++++++--------------------- lib/wx/c_src/wxe_impl.h | 6 +- lib/wx/test/wx_event_SUITE.erl | 42 +++--- 5 files changed, 339 insertions(+), 204 deletions(-) (limited to 'lib') diff --git a/lib/wx/c_src/wxe_helpers.cpp b/lib/wx/c_src/wxe_helpers.cpp index 15d75080d9..120919e7aa 100644 --- a/lib/wx/c_src/wxe_helpers.cpp +++ b/lib/wx/c_src/wxe_helpers.cpp @@ -24,23 +24,96 @@ * Erlang Commands * ****************************************************************************/ -wxeCommand::wxeCommand(int fc,char * cbuf,int buflen, wxe_data *sd) - : wxObject() +wxeCommand::wxeCommand() { +} + +wxeCommand::~wxeCommand() +{ + Delete(); +} + +void wxeCommand::Delete() +{ + int n = 0; + + if(buffer) { + while(bin[n]) { + if(bin[n]->bin) + driver_free_binary(bin[n]->bin); + driver_free(bin[n++]); + } + if(len > 64) + driver_free(buffer); + buffer = NULL; + op = -1; + } +} + +/* **************************************************************************** + * wxeFifo + * ****************************************************************************/ +wxeFifo::wxeFifo(unsigned int sz) +{ + m_q = (wxeCommand *) driver_alloc(sizeof(wxeCommand) * sz); + m_orig_sz = sz; + m_max = sz; + m_n = 0; + m_first = 0; + m_old = NULL; + for(unsigned int i = 0; i < sz; i++) { + m_q[i].buffer = NULL; + m_q[i].op = -1; + } +} + +wxeFifo::~wxeFifo() { + // dealloc all memory buffers + driver_free(m_q); +} + +wxeCommand * wxeFifo::Get() +{ + unsigned int pos; + if(m_n > 0) { + pos = m_first++; + m_n--; + m_first %= m_max; + return &m_q[pos]; + } + return NULL; +} + +void wxeFifo::Add(int fc, char * cbuf,int buflen, wxe_data *sd) +{ + unsigned int pos; + wxeCommand *curr; + WXEBinRef *temp, *start, *prev; int n = 0; - ref_count = 1; - caller = driver_caller(sd->port_handle); - port = sd->port; - op = fc; - len = buflen; - bin[0] = NULL; - bin[1] = NULL; - bin[2] = NULL; + + if(m_n == (m_max-1)) { // resize + Realloc(); + } + + pos = (m_first + m_n) % m_max; + m_n++; + + curr = &m_q[pos]; + curr->caller = driver_caller(sd->port_handle); + curr->port = sd->port; + curr->op = fc; + curr->len = buflen; + curr->bin[0] = NULL; + curr->bin[1] = NULL; + curr->bin[2] = NULL; if(cbuf) { - buffer = (char *) driver_alloc(len); - memcpy((void *) buffer, (void *) cbuf, len);; + if(buflen > 64) + curr->buffer = (char *) driver_alloc(buflen); + else + curr->buffer = curr->c_buf; + memcpy((void *) curr->buffer, (void *) cbuf, buflen); temp = sd->bin; @@ -48,8 +121,8 @@ wxeCommand::wxeCommand(int fc,char * cbuf,int buflen, wxe_data *sd) start = temp; while(temp) { - if(caller == temp->from) { - bin[n++] = temp; + if(curr->caller == temp->from) { + curr->bin[n++] = temp; if(prev) { prev->next = temp->next; } else { @@ -63,20 +136,68 @@ wxeCommand::wxeCommand(int fc,char * cbuf,int buflen, wxe_data *sd) } sd->bin = start; } else { // No-op only PING currently - buffer = NULL; + curr->buffer = NULL; } } -wxeCommand::~wxeCommand() { - int n = 0; - if(buffer) { - while(bin[n]) { - if(bin[n]->bin) - driver_free_binary(bin[n]->bin); - driver_free(bin[n++]); +void wxeFifo::Append(wxeCommand *orig) +{ + unsigned int pos; + wxeCommand *curr; + if(m_n == (m_max-1)) { // resize + Realloc(); + } + + pos = (m_first + m_n) % m_max; + m_n++; + curr = &m_q[pos]; + curr->caller = orig->caller; + curr->port = orig->port; + curr->op = orig->op; + curr->len = orig->len; + curr->bin[0] = orig->bin[0]; + curr->bin[1] = orig->bin[1]; + curr->bin[2] = orig->bin[2]; + + if(orig->len > 64) + curr->buffer = orig->buffer; + else { + curr->buffer = curr->c_buf; + memcpy((void *) curr->buffer, (void *) orig->buffer, orig->len); + } + orig->op = -1; + orig->buffer = NULL; + orig->bin[0] = NULL; +} + +void wxeFifo::Realloc() +{ + unsigned int i; + unsigned int growth = m_orig_sz / 2; + unsigned int new_sz = growth + m_max; + unsigned int max = m_max; + unsigned int first = m_first; + unsigned int n = m_n; + wxeCommand * old = m_q; + wxeCommand * queue = (wxeCommand *)driver_alloc(new_sz*sizeof(wxeCommand)); + + m_max=new_sz; + m_first = 0; + m_n=0; + m_q = queue; + + for(i=0; i < n; i++) { + unsigned int pos = i+first; + if(old[pos%max].op >= 0) { + Append(&old[pos%max]); } - driver_free(buffer); } + for(i = m_n; i < new_sz; i++) { // Reset the rest + m_q[i].buffer = NULL; + m_q[i].op = -1; + } + // Can not free old queue here it can be used in the wx thread + m_old = old; } /* **************************************************************************** diff --git a/lib/wx/c_src/wxe_helpers.h b/lib/wx/c_src/wxe_helpers.h index 659bc666c6..ec3a5debdb 100644 --- a/lib/wx/c_src/wxe_helpers.h +++ b/lib/wx/c_src/wxe_helpers.h @@ -39,14 +39,14 @@ class wxeMetaCommand : public wxEvent ErlDrvPDL pdl; }; -class wxeCommand : public wxObject +class wxeCommand { public: - wxeCommand(int fc,char * cbuf,int buflen, wxe_data *); + wxeCommand(); virtual ~wxeCommand(); // Use Delete() - wxeCommand * Save() {ref_count++; return this; }; - void Delete() {if(--ref_count < 1) delete this;}; + wxeCommand * Save() { return this; }; + void Delete(); ErlDrvTermData caller; ErlDrvTermData port; @@ -54,7 +54,27 @@ class wxeCommand : public wxObject char * buffer; int len; int op; - int ref_count; + char c_buf[64]; // 64b covers 90% of usage +}; + +class wxeFifo { + public: + wxeFifo(unsigned int size); + virtual ~wxeFifo(); + + void Add(int fc, char * cbuf,int buflen, wxe_data *); + void Append(wxeCommand *Other); + + wxeCommand * Get(); + + void Realloc(); + + unsigned int m_max; + unsigned int m_first; + unsigned int m_n; + unsigned int m_orig_sz; + wxeCommand *m_q; + wxeCommand *m_old; }; class intListElement { diff --git a/lib/wx/c_src/wxe_impl.cpp b/lib/wx/c_src/wxe_impl.cpp index 0ee52e3af2..ef648e008c 100644 --- a/lib/wx/c_src/wxe_impl.cpp +++ b/lib/wx/c_src/wxe_impl.cpp @@ -55,8 +55,9 @@ extern ErlDrvCond * wxe_batch_locker_c; extern ErlDrvTermData init_caller; extern int wxe_status; -wxList * wxe_batch = NULL; -wxList * wxe_batch_cb_saved = NULL; +wxeFifo * wxe_queue = NULL; +wxeFifo * wxe_queue_cb_saved = NULL; + int wxe_batch_caller = 0; // inside batch if larger than 0 /* ************************************************************ @@ -68,30 +69,30 @@ void push_command(int op,char * buf,int len, wxe_data *sd) { /* fprintf(stderr, "Op %d %d [%ld] %d\r\n", op, (int) driver_caller(sd->port_handle), wxe_batch->size(), wxe_batch_caller),fflush(stderr); */ - wxeCommand *Cmd = new wxeCommand(op, buf, len, sd); erl_drv_mutex_lock(wxe_batch_locker_m); - wxe_batch->Append(Cmd); + wxe_queue->Add(op, buf, len, sd); if(wxe_batch_caller > 0) { // wx-thread is waiting on batch end in cond_wait erl_drv_cond_signal(wxe_batch_locker_c); + erl_drv_mutex_unlock(wxe_batch_locker_m); } else { // wx-thread is waiting gui-events if(op == WXE_BATCH_BEGIN) { wxe_batch_caller = 1; } erl_drv_cond_signal(wxe_batch_locker_c); + erl_drv_mutex_unlock(wxe_batch_locker_m); wxWakeUpIdle(); } - erl_drv_mutex_unlock(wxe_batch_locker_m); + } void meta_command(int what, wxe_data *sd) { if(what == PING_PORT) { erl_drv_mutex_lock(wxe_batch_locker_m); if(wxe_batch_caller > 0) { - wxeCommand *Cmd = new wxeCommand(WXE_DEBUG_PING, NULL, 0, sd); - wxe_batch->Append(Cmd); + wxe_queue->Add(WXE_DEBUG_PING, NULL, 0, sd); erl_drv_cond_signal(wxe_batch_locker_c); } wxWakeUpIdle(); @@ -121,12 +122,12 @@ bool WxeApp::OnInit() { global_me = new wxeMemEnv(); - wxe_batch = new wxList; - wxe_batch_cb_saved = new wxList; + wxe_queue = new wxeFifo(1000); + wxe_queue_cb_saved = new wxeFifo(200); cb_buff = NULL; recurse_level = 0; - delayed_cleanup = new wxList; - delayed_delete = new wxList; + delayed_delete = new wxeFifo(10); + delayed_cleanup = new wxList; wxe_ps_init2(); // wxIdleEvent::SetMode(wxIDLE_PROCESS_SPECIFIED); // Hmm printpreview doesn't work in 2.9 with this @@ -169,6 +170,8 @@ void WxeApp::MacOpenFile(const wxString &filename) { void WxeApp::shutdown(wxeMetaCommand& Ecmd) { ExitMainLoop(); + delete wxe_queue; + delete wxe_queue_cb_saved; } void WxeApp::dummy_close(wxEvent& Ev) { @@ -201,11 +204,11 @@ void handle_event_callback(ErlDrvPort port, ErlDrvTermData process) if(driver_monitor_process(port, process, &monitor) == 0) { // Should we be able to handle commands when recursing? probably erl_drv_mutex_lock(wxe_batch_locker_m); - //fprintf(stderr, "\r\nCB EV Start %lu \r\n", process);fflush(stderr); + // fprintf(stderr, "\r\nCB EV Start %lu \r\n", process);fflush(stderr); app->recurse_level++; - app->dispatch_cb(wxe_batch, wxe_batch_cb_saved, process); + app->dispatch_cb(wxe_queue, wxe_queue_cb_saved, process); app->recurse_level--; - //fprintf(stderr, "CB EV done %lu \r\n", process);fflush(stderr); + // fprintf(stderr, "CB EV done %lu \r\n", process);fflush(stderr); wxe_batch_caller = 0; erl_drv_mutex_unlock(wxe_batch_locker_m); driver_demonitor_process(port, &monitor); @@ -216,22 +219,22 @@ void WxeApp::dispatch_cmds() { erl_drv_mutex_lock(wxe_batch_locker_m); recurse_level++; - int level = dispatch(wxe_batch_cb_saved, 0, WXE_STORED); - dispatch(wxe_batch, level, WXE_NORMAL); + int level = dispatch(wxe_queue_cb_saved, 0, WXE_STORED); + dispatch(wxe_queue, level, WXE_NORMAL); recurse_level--; wxe_batch_caller = 0; + if(wxe_queue->m_old) { + driver_free(wxe_queue->m_old); + wxe_queue->m_old = NULL; + } erl_drv_mutex_unlock(wxe_batch_locker_m); // Cleanup old memenv's and deleted objects if(recurse_level == 0) { - if(delayed_delete->size() > 0) - for( wxList::compatibility_iterator node = delayed_delete->GetFirst(); - node; - node = delayed_delete->GetFirst()) { - wxeCommand *event = (wxeCommand *)node->GetData(); - delayed_delete->Erase(node); - wxe_dispatch(*event); - event->Delete(); - } + wxeCommand *curr; + while((curr = delayed_delete->Get()) != NULL) { + wxe_dispatch(*curr); + curr->Delete(); + } if(delayed_cleanup->size() > 0) for( wxList::compatibility_iterator node = delayed_cleanup->GetFirst(); node; @@ -241,158 +244,145 @@ void WxeApp::dispatch_cmds() destroyMemEnv(*event); delete event; } + if(wxe_queue_cb_saved->m_old) { + driver_free(wxe_queue_cb_saved->m_old); + wxe_queue_cb_saved->m_old = NULL; + } + if(delayed_delete->m_old) { + driver_free(delayed_delete->m_old); + delayed_delete->m_old = NULL; + } } } // Should have erl_drv_mutex_lock(wxe_batch_locker_m); // when entering this function and it should be released // afterwards -int WxeApp::dispatch(wxList * batch, int blevel, int list_type) +int WxeApp::dispatch(wxeFifo * batch, int blevel, int list_type) { int ping = 0; // erl_drv_mutex_lock(wxe_batch_locker_m); must be locked already - while(true) - { - if (batch->size() > 0) { - for( wxList::compatibility_iterator node = batch->GetFirst(); - node; - node = batch->GetFirst()) - { - wxeCommand *event = (wxeCommand *)node->GetData(); - batch->Erase(node); - switch(event->op) { - case WXE_BATCH_END: - {--blevel; } - break; - case WXE_BATCH_BEGIN: - {blevel++; } - break; - case WXE_DEBUG_PING: - // When in debugger we don't want to hang waiting for a BATCH_END - // that never comes, because a breakpoint have hit. - ping++; - if(ping > 2) - blevel = 0; - break; - case WXE_CB_RETURN: - // erl_drv_mutex_unlock(wxe_batch_locker_m); should be called after - // whatever cleaning is necessary - if(event->len > 0) { - cb_buff = (char *) driver_alloc(event->len); - memcpy(cb_buff, event->buffer, event->len); - } - return blevel; - default: - erl_drv_mutex_unlock(wxe_batch_locker_m); - if(event->op < OPENGL_START) { - // fprintf(stderr, " c %d (%d) \r\n", event->op, blevel); - wxe_dispatch(*event); - } else { - gl_dispatch(event->op,event->buffer,event->caller,event->bin); - } - erl_drv_mutex_lock(wxe_batch_locker_m); - break; - } - event->Delete(); - } - } else { - if((list_type == WXE_STORED) || (blevel <= 0 && list_type == WXE_NORMAL)) { - // erl_drv_mutex_unlock(wxe_batch_locker_m); should be called after - // whatever cleaning is necessary - return blevel; + wxeCommand *event; + while(true) { + while((event = batch->Get()) != NULL) { + switch(event->op) { + case -1: + break; + case WXE_BATCH_END: + {--blevel; } + break; + case WXE_BATCH_BEGIN: + {blevel++; } + break; + case WXE_DEBUG_PING: + // When in debugger we don't want to hang waiting for a BATCH_END + // that never comes, because a breakpoint have hit. + ping++; + if(ping > 2) + blevel = 0; + break; + case WXE_CB_RETURN: + // erl_drv_mutex_unlock(wxe_batch_locker_m); should be called after + // whatever cleaning is necessary + if(event->len > 0) { + cb_buff = (char *) driver_alloc(event->len); + memcpy(cb_buff, event->buffer, event->len); } - // sleep until something happens - //fprintf(stderr, "%s:%d sleep %d %d %d %d \r\n", __FILE__, __LINE__, batch->size(), callback_returned, blevel, is_callback);fflush(stderr); - wxe_batch_caller++; - while(batch->size() == 0) { - erl_drv_cond_wait(wxe_batch_locker_c, wxe_batch_locker_m); + event->Delete(); + return blevel; + default: + erl_drv_mutex_unlock(wxe_batch_locker_m); + if(event->op < OPENGL_START) { + // fprintf(stderr, " c %d (%d) \r\n", event->op, blevel); + wxe_dispatch(*event); + } else { + gl_dispatch(event->op,event->buffer,event->caller,event->bin); } + erl_drv_mutex_lock(wxe_batch_locker_m); + break; } + event->Delete(); + } + if((list_type == WXE_STORED) || (blevel <= 0 && list_type == WXE_NORMAL)) { + // erl_drv_mutex_unlock(wxe_batch_locker_m); should be called after + // whatever cleaning is necessary + return blevel; } + // sleep until something happens + //fprintf(stderr, "%s:%d sleep %d %d\r\n", __FILE__, __LINE__, batch->size(), blevel);fflush(stderr); + wxe_batch_caller++; + while(batch->m_n == 0) { + erl_drv_cond_wait(wxe_batch_locker_c, wxe_batch_locker_m); + } + } } -void WxeApp::dispatch_cb(wxList * batch, wxList * temp, ErlDrvTermData process) { - int callback_returned = 0; +void WxeApp::dispatch_cb(wxeFifo * batch, wxeFifo * temp, ErlDrvTermData process) { + wxeCommand *event; while(true) { - if (batch->size() > 0) { - for( wxList::compatibility_iterator node = batch->GetFirst(); - node; - node = batch->GetFirst()) - { - wxeCommand *event = (wxeCommand *)node->GetData(); - wxeMemEnv *memenv = getMemEnv(event->port); - batch->Erase(node); - // fprintf(stderr, " Ev %d %lu\r\n", event->op, event->caller); - if(event->caller == process || // Callbacks from CB process only - event->op == WXE_CB_START || // Event callback start change process - event->op == WXE_CB_DIED || // Event callback process died - // Allow connect_cb during CB i.e. msg from wxe_server. - (memenv && event->caller == memenv->owner)) - { - switch(event->op) { - case WXE_BATCH_END: - case WXE_BATCH_BEGIN: - case WXE_DEBUG_PING: - break; - case WXE_CB_RETURN: - if(event->len > 0) { - cb_buff = (char *) driver_alloc(event->len); - memcpy(cb_buff, event->buffer, event->len); - } // continue - case WXE_CB_DIED: - callback_returned = 1; - return; - case WXE_CB_START: - // CB start from now accept message from CB process only - process = event->caller; - break; - default: - erl_drv_mutex_unlock(wxe_batch_locker_m); - size_t start=temp->GetCount(); - if(event->op < OPENGL_START) { - // fprintf(stderr, " cb %d \r\n", event->op); - wxe_dispatch(*event); - } else { - gl_dispatch(event->op,event->buffer,event->caller,event->bin); - } - erl_drv_mutex_lock(wxe_batch_locker_m); - if(temp->GetCount() > start) { - // We have recursed dispatch_cb and messages for this - // callback may be saved on temp list move them - // to orig list - for(wxList::compatibility_iterator node = temp->Item(start); - node; - node = node->GetNext()) { - wxeCommand *ev = (wxeCommand *)node->GetData(); - if(ev->caller == process) { - batch->Append(ev); - temp->Erase(node); - } - } - } - if(callback_returned) - return; - break; + while((event = batch->Get()) != NULL) { + wxeMemEnv *memenv = getMemEnv(event->port); + // fprintf(stderr, " Ev %d %lu\r\n", event->op, event->caller); + if(event->caller == process || // Callbacks from CB process only + event->op == WXE_CB_START || // Event callback start change process + event->op == WXE_CB_DIED || // Event callback process died + // Allow connect_cb during CB i.e. msg from wxe_server. + (memenv && event->caller == memenv->owner)) { + switch(event->op) { + case -1: + case WXE_BATCH_END: + case WXE_BATCH_BEGIN: + case WXE_DEBUG_PING: + break; + case WXE_CB_RETURN: + if(event->len > 0) { + cb_buff = (char *) driver_alloc(event->len); + memcpy(cb_buff, event->buffer, event->len); + } // continue + case WXE_CB_DIED: + event->Delete(); + return; + case WXE_CB_START: + // CB start from now accept message from CB process only + process = event->caller; + break; + default: + erl_drv_mutex_unlock(wxe_batch_locker_m); + size_t start=temp->m_n; + if(event->op < OPENGL_START) { + // fprintf(stderr, " cb %d \r\n", event->op); + wxe_dispatch(*event); + } else { + gl_dispatch(event->op,event->buffer,event->caller,event->bin); + } + erl_drv_mutex_lock(wxe_batch_locker_m); + if(temp->m_n > start) { + // We have recursed dispatch_cb and messages for this + // callback may be saved on temp list move them + // to orig list + for(unsigned int i=start; i < temp->m_n; i++) { + wxeCommand *ev = &temp->m_q[(temp->m_first+i) % temp->m_max]; + if(ev->caller == process) { + batch->Append(ev); } - event->Delete(); - } else { - // fprintf(stderr, " save %d \r\n", event->op); - temp->Append(event); + } } + break; } - } else { - if(callback_returned) { - return; - } - // sleep until something happens - //fprintf(stderr, "%s:%d sleep %d %d %d %d \r\n", __FILE__, __LINE__, batch->size(), callback_returned, blevel, is_callback);fflush(stderr); - while(batch->size() == 0) { - erl_drv_cond_wait(wxe_batch_locker_c, wxe_batch_locker_m); + event->Delete(); + } else { + // fprintf(stderr, " save %d %lu\r\n", event->op, event->caller); + temp->Append(event); } } + // sleep until something happens + // fprintf(stderr, "%s:%d sleep %d %d\r\n", __FILE__, __LINE__, + // batch->m_n, temp->m_n);fflush(stderr); + while(batch->m_n == 0) { + erl_drv_cond_wait(wxe_batch_locker_c, wxe_batch_locker_m); + } } } - /* Memory handling */ void WxeApp::newMemEnv(wxeMetaCommand& Ecmd) { diff --git a/lib/wx/c_src/wxe_impl.h b/lib/wx/c_src/wxe_impl.h index 57bf2e2dba..a0a1c84718 100644 --- a/lib/wx/c_src/wxe_impl.h +++ b/lib/wx/c_src/wxe_impl.h @@ -60,8 +60,8 @@ public: #endif void shutdown(wxeMetaCommand& event); - int dispatch(wxList *, int, int); - void dispatch_cb(wxList * batch, wxList * temp, ErlDrvTermData process); + int dispatch(wxeFifo *, int, int); + void dispatch_cb(wxeFifo * batch, wxeFifo * temp, ErlDrvTermData process); void wxe_dispatch(wxeCommand& event); @@ -93,7 +93,7 @@ public: int recurse_level; wxList * delayed_cleanup; - wxList * delayed_delete; + wxeFifo * delayed_delete; // Temp container for callbacks char *cb_buff; int cb_len; diff --git a/lib/wx/test/wx_event_SUITE.erl b/lib/wx/test/wx_event_SUITE.erl index 3252547c9b..6bcd88e4fb 100644 --- a/lib/wx/test/wx_event_SUITE.erl +++ b/lib/wx/test/wx_event_SUITE.erl @@ -379,25 +379,29 @@ recursive(Config) -> Frame = wxFrame:new(Wx, ?wxID_ANY, "Connect in callback"), Panel = wxPanel:new(Frame, []), Sz = wxBoxSizer:new(?wxVERTICAL), - ListBox = wxListBox:new(Panel, ?wxID_ANY, [{choices, ["foo", "bar", "baz"]}]), - wxSizer:add(Sz, ListBox, [{proportion, 1},{flag, ?wxEXPAND}]), - wxWindow:setSizer(Panel, Sz), - wxListBox:connect(ListBox, command_listbox_selected, - [{callback, - fun(#wx{event=#wxCommand{commandInt=Id}}, _) -> - io:format("Selected ~p~n",[Id]) - end}]), - wxListBox:setSelection(ListBox, 0), - wxListBox:connect(ListBox, size, - [{callback, - fun(#wx{event=#wxSize{}}, _) -> - io:format("Size init ~n",[]), - case wxListBox:getCount(ListBox) > 0 of - true -> wxListBox:delete(ListBox, 0); - false -> ok - end, - io:format("Size done ~n",[]) - end}]), + Ctrl1 = wxTextCtrl:new(Panel, ?wxID_ANY, [{size, {300, -1}}]), + Ctrl2 = wxTextCtrl:new(Panel, ?wxID_ANY, [{size, {300, -1}}]), + wxSizer:add(Sz, Ctrl1, [{proportion, 1},{flag, ?wxEXPAND}]), + wxSizer:add(Sz, Ctrl2, [{proportion, 1},{flag, ?wxEXPAND}]), + wxWindow:setSizerAndFit(Panel, Sz), + + CB1 = fun(#wx{event=#wxCommand{cmdString=String}}, _) -> + io:format(" CB1: ~s~n",[String]), + wxTextCtrl:setValue(Ctrl2, io_lib:format("from CB1 ~s", [String])) + end, + CB2 = fun(#wx{event=#wxCommand{cmdString=String}}, _) -> + io:format(" CB2: ~s~n",[String]), + ok + end, + wxTextCtrl:connect(Ctrl1, command_text_updated, [{callback,CB1}]), + wxTextCtrl:connect(Ctrl2, command_text_updated, [{callback,CB2}]), + wxFrame:connect(Frame, size, + [{callback, + fun(#wx{event=#wxSize{size=Size}}, _) -> + io:format("Size init: ~s ~n",[wxTextCtrl:getValue(Ctrl2)]), + wxTextCtrl:setValue(Ctrl1, io_lib:format("Size ~p", [Size])), + io:format("Size done: ~s ~n",[wxTextCtrl:getValue(Ctrl2)]) + end}]), wxFrame:show(Frame), wx_test_lib:flush(), -- cgit v1.2.3