| // |
| // "$Id: Fl_mac.cxx 7913 2010-11-29 18:18:27Z greg.ercolano $" |
| // |
| // MacOS specific code for the Fast Light Tool Kit (FLTK). |
| // |
| // Copyright 1998-2010 by Bill Spitzak and others. |
| // |
| // This library is free software; you can redistribute it and/or |
| // modify it under the terms of the GNU Library General Public |
| // License as published by the Free Software Foundation; either |
| // version 2 of the License, or (at your option) any later version. |
| // |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // Library General Public License for more details. |
| // |
| // You should have received a copy of the GNU Library General Public |
| // License along with this library; if not, write to the Free Software |
| // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| // USA. |
| // |
| // Please report all bugs and problems on the following page: |
| // |
| // http://www.fltk.org/str.php |
| // |
| |
| //// From the inner edge of a MetroWerks CodeWarrior CD: |
| // (without permission) |
| // |
| // "Three Compiles for 68Ks under the sky, |
| // Seven Compiles for PPCs in their fragments of code, |
| // Nine Compiles for Mortal Carbon doomed to die, |
| // One Compile for Mach-O Cocoa on its Mach-O throne, |
| // in the Land of MacOS X where the Drop-Shadows lie. |
| // |
| // One Compile to link them all, One Compile to merge them, |
| // One Compile to copy them all and in the bundle bind them, |
| // in the Land of MacOS X where the Drop-Shadows lie." |
| |
| // warning: the Apple Quartz version still uses some Quickdraw calls, |
| // mostly to get around the single active context in QD and |
| // to implement clipping. This should be changed into pure |
| // Quartz calls in the near future. |
| |
| // FIXME moving away from Carbon, I am replacing the Scrap manager calls with Pasteboard |
| // calls that support utf8 encoding. As soon as these function haven proven working |
| // the Scrap manager calls should be removed |
| #define USE_PASTEBOARD 1 |
| |
| // we don't need the following definition because we deliver only |
| // true mouse moves. On very slow systems however, this flag may |
| // still be useful. |
| #ifndef FL_DOXYGEN |
| |
| #define CONSOLIDATE_MOTION 0 |
| extern "C" { |
| #include <pthread.h> |
| } |
| |
| #include <config.h> |
| #include <FL/Fl.H> |
| #include <FL/x.H> |
| #include <FL/Fl_Window.H> |
| #include <FL/Fl_Tooltip.H> |
| #include <FL/Fl_Sys_Menu_Bar.H> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "flstring.h" |
| #include <unistd.h> |
| |
| // #define DEBUG_SELECT // UNCOMMENT FOR SELECT()/THREAD DEBUGGING |
| #ifdef DEBUG_SELECT |
| #include <stdio.h> // testing |
| #define DEBUGMSG(msg) if ( msg ) fprintf(stderr, msg); |
| #define DEBUGPERRORMSG(msg) if ( msg ) perror(msg) |
| #define DEBUGTEXT(txt) txt |
| #else |
| #define DEBUGMSG(msg) |
| #define DEBUGPERRORMSG(msg) |
| #define DEBUGTEXT(txt) NULL |
| #endif /*DEBUG_SELECT*/ |
| |
| // external functions |
| extern Fl_Window* fl_find(Window); |
| extern void fl_fix_focus(); |
| |
| // forward definition of functions in this file |
| static void handleUpdateEvent( WindowPtr xid ); |
| //+ int fl_handle(const EventRecord &event); |
| static int FSSpec2UnixPath( FSSpec *fs, char *dst ); |
| // converting cr lf converter function |
| static void convert_crlf(char * string, size_t len); |
| |
| // public variables |
| int fl_screen; |
| CGContextRef fl_gc = 0; |
| Handle fl_system_menu; |
| Fl_Sys_Menu_Bar *fl_sys_menu_bar = 0; |
| CursHandle fl_default_cursor; |
| WindowRef fl_capture = 0; // we need this to compensate for a missing(?) mouse capture |
| ulong fl_event_time; // the last timestamp from an x event |
| char fl_key_vector[32]; // used by Fl::get_key() |
| bool fl_show_iconic; // true if called from iconize() - shows the next created window in collapsed state |
| int fl_disable_transient_for; // secret method of removing TRANSIENT_FOR |
| const Fl_Window* fl_modal_for; // parent of modal() window |
| Fl_Region fl_window_region = 0; |
| Window fl_window; |
| Fl_Window *Fl_Window::current_; |
| EventRef fl_os_event; // last (mouse) event |
| |
| // forward declarations of variables in this file |
| static int got_events = 0; |
| static Fl_Window* resize_from_system; |
| static CursPtr default_cursor_ptr; |
| static Cursor default_cursor; |
| static WindowRef fl_os_capture = 0; // the dispatch handler will redirect mose move and drag events to these windows |
| |
| #if CONSOLIDATE_MOTION |
| static Fl_Window* send_motion; |
| extern Fl_Window* fl_xmousewin; |
| #endif |
| |
| enum { kEventClassFLTK = 'fltk' }; |
| enum { kEventFLTKBreakLoop = 1, kEventFLTKDataReady }; |
| |
| /* fltk-utf8 placekeepers */ |
| void fl_reset_spot() |
| { |
| } |
| |
| void fl_set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win) |
| { |
| } |
| |
| void fl_set_status(int x, int y, int w, int h) |
| { |
| } |
| |
| /** |
| * Mac keyboard lookup table |
| */ |
| static unsigned short macKeyLookUp[128] = |
| { |
| 'a', 's', 'd', 'f', 'h', 'g', 'z', 'x', |
| 'c', 'v', '^', 'b', 'q', 'w', 'e', 'r', |
| |
| 'y', 't', '1', '2', '3', '4', '6', '5', |
| '=', '9', '7', '-', '8', '0', ']', 'o', |
| |
| 'u', '[', 'i', 'p', FL_Enter, 'l', 'j', '\'', |
| 'k', ';', '\\', ',', '/', 'n', 'm', '.', |
| |
| FL_Tab, ' ', '`', FL_BackSpace, |
| FL_KP_Enter, FL_Escape, 0, 0/*FL_Meta_L*/, |
| 0/*FL_Shift_L*/, 0/*FL_Caps_Lock*/, 0/*FL_Alt_L*/, 0/*FL_Control_L*/, |
| 0/*FL_Shift_R*/, 0/*FL_Alt_R*/, 0/*FL_Control_R*/, 0, |
| |
| 0, FL_KP+'.', FL_Right, FL_KP+'*', 0, FL_KP+'+', FL_Left, FL_Delete, |
| FL_Down, 0, 0, FL_KP+'/', FL_KP_Enter, FL_Up, FL_KP+'-', 0, |
| |
| 0, FL_KP+'=', FL_KP+'0', FL_KP+'1', FL_KP+'2', FL_KP+'3', FL_KP+'4', FL_KP+'5', |
| FL_KP+'6', FL_KP+'7', 0, FL_KP+'8', FL_KP+'9', 0, 0, 0, |
| |
| FL_F+5, FL_F+6, FL_F+7, FL_F+3, FL_F+8, FL_F+9, 0, FL_F+11, |
| 0, 0/*FL_F+13*/, FL_Print, FL_Scroll_Lock, 0, FL_F+10, FL_Menu, FL_F+12, |
| |
| 0, FL_Pause, FL_Help, FL_Home, FL_Page_Up, FL_Delete, FL_F+4, FL_End, |
| FL_F+2, FL_Page_Down, FL_F+1, FL_Left, FL_Right, FL_Down, FL_Up, 0/*FL_Power*/, |
| }; |
| |
| /** |
| * convert the current mouse chord into the FLTK modifier state |
| */ |
| static unsigned int mods_to_e_state( UInt32 mods ) |
| { |
| long state = 0; |
| if ( mods & kEventKeyModifierNumLockMask ) state |= FL_NUM_LOCK; |
| if ( mods & cmdKey ) state |= FL_META; |
| if ( mods & (optionKey|rightOptionKey) ) state |= FL_ALT; |
| if ( mods & (controlKey|rightControlKey) ) state |= FL_CTRL; |
| if ( mods & (shiftKey|rightShiftKey) ) state |= FL_SHIFT; |
| if ( mods & alphaLock ) state |= FL_CAPS_LOCK; |
| unsigned int ret = ( Fl::e_state & 0xff000000 ) | state; |
| Fl::e_state = ret; |
| //printf( "State 0x%08x (%04x)\n", Fl::e_state, mods ); |
| return ret; |
| } |
| |
| |
| /** |
| * convert the current mouse chord into the FLTK keysym |
| */ |
| static void mods_to_e_keysym( UInt32 mods ) |
| { |
| if ( mods & cmdKey ) Fl::e_keysym = FL_Meta_L; |
| else if ( mods & kEventKeyModifierNumLockMask ) Fl::e_keysym = FL_Num_Lock; |
| else if ( mods & optionKey ) Fl::e_keysym = FL_Alt_L; |
| else if ( mods & rightOptionKey ) Fl::e_keysym = FL_Alt_R; |
| else if ( mods & controlKey ) Fl::e_keysym = FL_Control_L; |
| else if ( mods & rightControlKey ) Fl::e_keysym = FL_Control_R; |
| else if ( mods & shiftKey ) Fl::e_keysym = FL_Shift_L; |
| else if ( mods & rightShiftKey ) Fl::e_keysym = FL_Shift_R; |
| else if ( mods & alphaLock ) Fl::e_keysym = FL_Caps_Lock; |
| else Fl::e_keysym = 0; |
| //printf( "to sym 0x%08x (%04x)\n", Fl::e_keysym, mods ); |
| } |
| // these pointers are set by the Fl::lock() function: |
| static void nothing() {} |
| void (*fl_lock_function)() = nothing; |
| void (*fl_unlock_function)() = nothing; |
| |
| // |
| // Select interface -- how it's implemented: |
| // When the user app configures one or more file descriptors to monitor |
| // with Fl::add_fd(), we start a separate thread to select() the data, |
| // sending a custom OSX 'FLTK data ready event' to the parent thread's |
| // RunApplicationLoop(), so that it triggers the data ready callbacks |
| // in the parent thread. -erco 04/04/04 |
| // |
| #define POLLIN 1 |
| #define POLLOUT 4 |
| #define POLLERR 8 |
| |
| // Class to handle select() 'data ready' |
| class DataReady |
| { |
| struct FD |
| { |
| int fd; |
| short events; |
| void (*cb)(int, void*); |
| void* arg; |
| }; |
| int nfds, fd_array_size; |
| FD *fds; |
| pthread_t tid; // select()'s thread id |
| |
| // Data that needs to be locked (all start with '_') |
| pthread_mutex_t _datalock; // data lock |
| fd_set _fdsets[3]; // r/w/x sets user wants to monitor |
| int _maxfd; // max fd count to monitor |
| int _cancelpipe[2]; // pipe used to help cancel thread |
| void *_userdata; // thread's userdata |
| |
| public: |
| DataReady() |
| { |
| nfds = 0; |
| fd_array_size = 0; |
| fds = 0; |
| tid = 0; |
| |
| pthread_mutex_init(&_datalock, NULL); |
| FD_ZERO(&_fdsets[0]); FD_ZERO(&_fdsets[1]); FD_ZERO(&_fdsets[2]); |
| _cancelpipe[0] = _cancelpipe[1] = 0; |
| _userdata = 0; |
| _maxfd = 0; |
| } |
| |
| ~DataReady() |
| { |
| CancelThread(DEBUGTEXT("DESTRUCTOR\n")); |
| if (fds) { free(fds); fds = 0; } |
| nfds = 0; |
| } |
| |
| // Locks |
| // The convention for locks: volatile vars start with '_', |
| // and must be locked before use. Locked code is prefixed |
| // with /*LOCK*/ to make painfully obvious esp. in debuggers. -erco |
| // |
| void DataLock() { pthread_mutex_lock(&_datalock); } |
| void DataUnlock() { pthread_mutex_unlock(&_datalock); } |
| |
| // Accessors |
| int IsThreadRunning() { return(tid ? 1 : 0); } |
| int GetNfds() { return(nfds); } |
| int GetCancelPipe(int ix) { return(_cancelpipe[ix]); } |
| fd_set GetFdset(int ix) { return(_fdsets[ix]); } |
| |
| // Methods |
| void AddFD(int n, int events, void (*cb)(int, void*), void *v); |
| void RemoveFD(int n, int events); |
| int CheckData(fd_set& r, fd_set& w, fd_set& x); |
| void HandleData(fd_set& r, fd_set& w, fd_set& x); |
| static void* DataReadyThread(void *self); |
| void StartThread(void *userdata); |
| void CancelThread(const char *reason); |
| }; |
| |
| static DataReady dataready; |
| |
| void DataReady::AddFD(int n, int events, void (*cb)(int, void*), void *v) |
| { |
| RemoveFD(n, events); |
| int i = nfds++; |
| if (i >= fd_array_size) |
| { |
| FD *temp; |
| fd_array_size = 2*fd_array_size+1; |
| if (!fds) { temp = (FD*)malloc(fd_array_size*sizeof(FD)); } |
| else { temp = (FD*)realloc(fds, fd_array_size*sizeof(FD)); } |
| if (!temp) return; |
| fds = temp; |
| } |
| fds[i].cb = cb; |
| fds[i].arg = v; |
| fds[i].fd = n; |
| fds[i].events = events; |
| DataLock(); |
| /*LOCK*/ if (events & POLLIN) FD_SET(n, &_fdsets[0]); |
| /*LOCK*/ if (events & POLLOUT) FD_SET(n, &_fdsets[1]); |
| /*LOCK*/ if (events & POLLERR) FD_SET(n, &_fdsets[2]); |
| /*LOCK*/ if (n > _maxfd) _maxfd = n; |
| DataUnlock(); |
| } |
| |
| // Remove an FD from the array |
| void DataReady::RemoveFD(int n, int events) |
| { |
| int i,j; |
| for (i=j=0; i<nfds; i++) |
| { |
| if (fds[i].fd == n) |
| { |
| int e = fds[i].events & ~events; |
| if (!e) continue; // if no events left, delete this fd |
| fds[i].events = e; |
| } |
| // move it down in the array if necessary: |
| if (j<i) |
| { fds[j] = fds[i]; } |
| j++; |
| } |
| nfds = j; |
| DataLock(); |
| /*LOCK*/ if (events & POLLIN) FD_CLR(n, &_fdsets[0]); |
| /*LOCK*/ if (events & POLLOUT) FD_CLR(n, &_fdsets[1]); |
| /*LOCK*/ if (events & POLLERR) FD_CLR(n, &_fdsets[2]); |
| /*LOCK*/ if (n == _maxfd) _maxfd--; |
| DataUnlock(); |
| } |
| |
| // CHECK IF USER DATA READY, RETURNS r/w/x INDICATING WHICH IF ANY |
| int DataReady::CheckData(fd_set& r, fd_set& w, fd_set& x) |
| { |
| int ret; |
| DataLock(); |
| /*LOCK*/ timeval t = { 0, 1 }; // quick check |
| /*LOCK*/ r = _fdsets[0], w = _fdsets[1], x = _fdsets[2]; |
| /*LOCK*/ ret = ::select(_maxfd+1, &r, &w, &x, &t); |
| DataUnlock(); |
| if ( ret == -1 ) |
| { DEBUGPERRORMSG("CheckData(): select()"); } |
| return(ret); |
| } |
| |
| // HANDLE DATA READY CALLBACKS |
| void DataReady::HandleData(fd_set& r, fd_set& w, fd_set& x) |
| { |
| for (int i=0; i<nfds; i++) |
| { |
| int f = fds[i].fd; |
| short revents = 0; |
| if (FD_ISSET(f, &r)) revents |= POLLIN; |
| if (FD_ISSET(f, &w)) revents |= POLLOUT; |
| if (FD_ISSET(f, &x)) revents |= POLLERR; |
| if (fds[i].events & revents) |
| { |
| DEBUGMSG("DOING CALLBACK: "); |
| fds[i].cb(f, fds[i].arg); |
| DEBUGMSG("DONE\n"); |
| } |
| } |
| } |
| |
| // DATA READY THREAD |
| // This thread watches for changes in user's file descriptors. |
| // Sends a 'data ready event' to the main thread if any change. |
| // |
| void* DataReady::DataReadyThread(void *o) |
| { |
| DataReady *self = (DataReady*)o; |
| while ( 1 ) // loop until thread cancel or error |
| { |
| // Thread safe local copies of data before each select() |
| self->DataLock(); |
| /*LOCK*/ int maxfd = self->_maxfd; |
| /*LOCK*/ fd_set r = self->GetFdset(0); |
| /*LOCK*/ fd_set w = self->GetFdset(1); |
| /*LOCK*/ fd_set x = self->GetFdset(2); |
| /*LOCK*/ void *userdata = self->_userdata; |
| /*LOCK*/ int cancelpipe = self->GetCancelPipe(0); |
| /*LOCK*/ if ( cancelpipe > maxfd ) maxfd = cancelpipe; |
| /*LOCK*/ FD_SET(cancelpipe, &r); // add cancelpipe to fd's to watch |
| /*LOCK*/ FD_SET(cancelpipe, &x); |
| self->DataUnlock(); |
| // timeval t = { 1000, 0 }; // 1000 seconds; |
| timeval t = { 2, 0 }; // HACK: 2 secs prevents 'hanging' problem |
| int ret = ::select(maxfd+1, &r, &w, &x, &t); |
| pthread_testcancel(); // OSX 10.0.4 and older: needed for parent to cancel |
| switch ( ret ) |
| { |
| case 0: // NO DATA |
| continue; |
| case -1: // ERROR |
| { |
| DEBUGPERRORMSG("CHILD THREAD: select() failed"); |
| return(NULL); // error? exit thread |
| } |
| default: // DATA READY |
| { |
| if (FD_ISSET(cancelpipe, &r) || FD_ISSET(cancelpipe, &x)) // cancel? |
| { return(NULL); } // just exit |
| DEBUGMSG("CHILD THREAD: DATA IS READY\n"); |
| EventRef drEvent; |
| CreateEvent( 0, kEventClassFLTK, kEventFLTKDataReady, |
| 0, kEventAttributeUserEvent, &drEvent); |
| EventQueueRef eventqueue = (EventQueueRef)userdata; |
| PostEventToQueue(eventqueue, drEvent, kEventPriorityStandard ); |
| ReleaseEvent( drEvent ); |
| return(NULL); // done with thread |
| } |
| } |
| } |
| } |
| |
| // START 'DATA READY' THREAD RUNNING, CREATE INTER-THREAD PIPE |
| void DataReady::StartThread(void *new_userdata) |
| { |
| CancelThread(DEBUGTEXT("STARTING NEW THREAD\n")); |
| DataLock(); |
| /*LOCK*/ pipe(_cancelpipe); // pipe for sending cancel msg to thread |
| /*LOCK*/ _userdata = new_userdata; |
| DataUnlock(); |
| DEBUGMSG("*** START THREAD\n"); |
| pthread_create(&tid, NULL, DataReadyThread, (void*)this); |
| } |
| |
| // CANCEL 'DATA READY' THREAD, CLOSE PIPE |
| void DataReady::CancelThread(const char *reason) |
| { |
| if ( tid ) |
| { |
| DEBUGMSG("*** CANCEL THREAD: "); |
| DEBUGMSG(reason); |
| if ( pthread_cancel(tid) == 0 ) // cancel first |
| { |
| DataLock(); |
| /*LOCK*/ write(_cancelpipe[1], "x", 1); // wake thread from select |
| DataUnlock(); |
| pthread_join(tid, NULL); // wait for thread to finish |
| } |
| tid = 0; |
| DEBUGMSG("(JOINED) OK\n"); |
| } |
| // Close pipe if open |
| DataLock(); |
| /*LOCK*/ if ( _cancelpipe[0] ) { close(_cancelpipe[0]); _cancelpipe[0] = 0; } |
| /*LOCK*/ if ( _cancelpipe[1] ) { close(_cancelpipe[1]); _cancelpipe[1] = 0; } |
| DataUnlock(); |
| } |
| |
| void Fl::add_fd( int n, int events, void (*cb)(int, void*), void *v ) |
| { dataready.AddFD(n, events, cb, v); } |
| |
| void Fl::add_fd(int fd, void (*cb)(int, void*), void* v) |
| { dataready.AddFD(fd, POLLIN, cb, v); } |
| |
| void Fl::remove_fd(int n, int events) |
| { dataready.RemoveFD(n, events); } |
| |
| void Fl::remove_fd(int n) |
| { dataready.RemoveFD(n, -1); } |
| |
| /** |
| * Check if there is actually a message pending! |
| */ |
| int fl_ready() |
| { |
| EventRef event; |
| return !ReceiveNextEvent(0, NULL, 0.0, false, &event); |
| } |
| |
| /** |
| * handle Apple Menu items (can be created using the Fl_Sys_Menu_Bar |
| * returns eventNotHandledErr if the menu item could not be handled |
| */ |
| OSStatus HandleMenu( HICommand *cmd ) |
| { |
| OSStatus ret = eventNotHandledErr; |
| // attributes, commandIDm menu.menuRef, menu.menuItemIndex |
| UInt32 ref; |
| OSErr rrc = GetMenuItemRefCon( cmd->menu.menuRef, cmd->menu.menuItemIndex, &ref ); |
| //printf( "%d, %08x, %08x, %d, %d, %8x\n", rrc, cmd->attributes, cmd->commandID, cmd->menu.menuRef, cmd->menu.menuItemIndex, rrc ); |
| if ( rrc==noErr && ref ) |
| { |
| Fl_Menu_Item *m = (Fl_Menu_Item*)ref; |
| //printf( "Menu: %s\n", m->label() ); |
| fl_sys_menu_bar->picked( m ); |
| if ( m->flags & FL_MENU_TOGGLE ) // update the menu toggle symbol |
| SetItemMark( cmd->menu.menuRef, cmd->menu.menuItemIndex, (m->flags & FL_MENU_VALUE ) ? 0x12 : 0 ); |
| if ( m->flags & FL_MENU_RADIO ) // update all radio buttons in this menu |
| { |
| Fl_Menu_Item *j = m; |
| int i = cmd->menu.menuItemIndex; |
| for (;;) |
| { |
| if ( j->flags & FL_MENU_DIVIDER ) |
| break; |
| j++; i++; |
| if ( !j->text || !j->radio() ) |
| break; |
| SetItemMark( cmd->menu.menuRef, i, ( j->flags & FL_MENU_VALUE ) ? 0x13 : 0 ); |
| } |
| j = m-1; i = cmd->menu.menuItemIndex-1; |
| for ( ; i>0; j--, i-- ) |
| { |
| if ( !j->text || j->flags&FL_MENU_DIVIDER || !j->radio() ) |
| break; |
| SetItemMark( cmd->menu.menuRef, i, ( j->flags & FL_MENU_VALUE ) ? 0x13 : 0 ); |
| } |
| SetItemMark( cmd->menu.menuRef, cmd->menu.menuItemIndex, ( m->flags & FL_MENU_VALUE ) ? 0x13 : 0 ); |
| } |
| ret = noErr; // done handling this event |
| } |
| HiliteMenu(0); |
| return ret; |
| } |
| |
| |
| /** |
| * We can make every event pass through this function |
| * - mouse events need to be manipulated to use a mouse focus window |
| * - keyboard, mouse and some window events need to quit the Apple Event Loop |
| * so FLTK can continue its own management |
| */ |
| static pascal OSStatus carbonDispatchHandler( EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| OSStatus ret = eventNotHandledErr; |
| HICommand cmd; |
| |
| fl_lock_function(); |
| |
| got_events = 1; |
| |
| switch ( GetEventClass( event ) ) |
| { |
| case kEventClassMouse: |
| switch ( GetEventKind( event ) ) |
| { |
| case kEventMouseUp: |
| case kEventMouseMoved: |
| case kEventMouseDragged: |
| if ( fl_capture ) |
| ret = SendEventToEventTarget( event, GetWindowEventTarget( fl_capture ) ); |
| else if ( fl_os_capture ){ |
| ret = SendEventToEventTarget( event, GetWindowEventTarget( fl_os_capture ) ); |
| fl_os_capture = 0; |
| } |
| break; |
| } |
| break; |
| case kEventClassCommand: |
| switch (GetEventKind( event ) ) |
| { |
| case kEventCommandProcess: |
| ret = GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &cmd ); |
| if (ret == noErr && (cmd.attributes & kHICommandFromMenu) != 0) |
| ret = HandleMenu( &cmd ); |
| else |
| ret = eventNotHandledErr; |
| break; |
| } |
| break; |
| case kEventClassFLTK: |
| switch ( GetEventKind( event ) ) |
| { |
| case kEventFLTKBreakLoop: |
| ret = noErr; |
| break; |
| case kEventFLTKDataReady: |
| { |
| dataready.CancelThread(DEBUGTEXT("DATA READY EVENT\n")); |
| |
| // CHILD THREAD TELLS US DATA READY |
| // Check to see what's ready, and invoke user's cb's |
| // |
| fd_set r,w,x; |
| switch(dataready.CheckData(r,w,x)) |
| { |
| case 0: // NO DATA |
| break; |
| case -1: // ERROR |
| break; |
| default: // DATA READY |
| dataready.HandleData(r,w,x); |
| break; |
| } |
| } |
| ret = noErr; |
| break; |
| } |
| } |
| if ( ret == eventNotHandledErr ) |
| ret = CallNextEventHandler( nextHandler, event ); // let the OS handle the activation, but continue to get a click-through effect |
| |
| fl_unlock_function(); |
| |
| return ret; |
| } |
| |
| |
| /** |
| * break the current event loop |
| */ |
| static void breakMacEventLoop() |
| { |
| EventRef breakEvent; |
| |
| fl_lock_function(); |
| |
| CreateEvent( 0, kEventClassFLTK, kEventFLTKBreakLoop, 0, kEventAttributeUserEvent, &breakEvent ); |
| PostEventToQueue( GetCurrentEventQueue(), breakEvent, kEventPriorityStandard ); |
| ReleaseEvent( breakEvent ); |
| |
| fl_unlock_function(); |
| } |
| |
| // |
| // MacOS X timers |
| // |
| |
| struct MacTimeout { |
| Fl_Timeout_Handler callback; |
| void* data; |
| EventLoopTimerRef timer; |
| EventLoopTimerUPP upp; |
| char pending; |
| }; |
| static MacTimeout* mac_timers; |
| static int mac_timer_alloc; |
| static int mac_timer_used; |
| |
| |
| static void realloc_timers() |
| { |
| if (mac_timer_alloc == 0) { |
| mac_timer_alloc = 8; |
| } |
| mac_timer_alloc *= 2; |
| MacTimeout* new_timers = new MacTimeout[mac_timer_alloc]; |
| memset(new_timers, 0, sizeof(MacTimeout)*mac_timer_alloc); |
| memcpy(new_timers, mac_timers, sizeof(MacTimeout) * mac_timer_used); |
| MacTimeout* delete_me = mac_timers; |
| mac_timers = new_timers; |
| delete [] delete_me; |
| } |
| |
| static void delete_timer(MacTimeout& t) |
| { |
| if (t.timer) { |
| RemoveEventLoopTimer(t.timer); |
| DisposeEventLoopTimerUPP(t.upp); |
| memset(&t, 0, sizeof(MacTimeout)); |
| } |
| } |
| |
| |
| static pascal void do_timer(EventLoopTimerRef timer, void* data) |
| { |
| for (int i = 0; i < mac_timer_used; ++i) { |
| MacTimeout& t = mac_timers[i]; |
| if (t.timer == timer && t.data == data) { |
| t.pending = 0; |
| (*t.callback)(data); |
| if (t.pending==0) |
| delete_timer(t); |
| break; |
| } |
| } |
| breakMacEventLoop(); |
| } |
| |
| /** |
| * This function is the central event handler. |
| * It reads events from the event queue using the given maximum time |
| * Funny enough, it returns the same time that it got as the argument. |
| */ |
| static double do_queued_events( double time = 0.0 ) |
| { |
| static bool been_here = false; |
| static RgnHandle rgn; |
| |
| // initialize events and a region that enables mouse move events |
| if (!been_here) { |
| rgn = NewRgn(); |
| Point mp; |
| GetMouse(&mp); |
| SetRectRgn(rgn, mp.h, mp.v, mp.h, mp.v); |
| SetEventMask(everyEvent); |
| been_here = true; |
| } |
| OSStatus ret; |
| static EventTargetRef target = 0; |
| if ( !target ) |
| { |
| target = GetEventDispatcherTarget(); |
| |
| EventHandlerUPP dispatchHandler = NewEventHandlerUPP( carbonDispatchHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec dispatchEvents[] = { |
| { kEventClassWindow, kEventWindowShown }, |
| { kEventClassWindow, kEventWindowHidden }, |
| { kEventClassWindow, kEventWindowActivated }, |
| { kEventClassWindow, kEventWindowDeactivated }, |
| { kEventClassWindow, kEventWindowClose }, |
| { kEventClassKeyboard, kEventRawKeyDown }, |
| { kEventClassKeyboard, kEventRawKeyRepeat }, |
| { kEventClassKeyboard, kEventRawKeyUp }, |
| { kEventClassKeyboard, kEventRawKeyModifiersChanged }, |
| { kEventClassMouse, kEventMouseDown }, |
| { kEventClassMouse, kEventMouseUp }, |
| { kEventClassMouse, kEventMouseMoved }, |
| { kEventClassMouse, 11 }, // MightyMouse wheels |
| { kEventClassMouse, kEventMouseWheelMoved }, |
| { kEventClassMouse, kEventMouseDragged }, |
| { kEventClassFLTK, kEventFLTKBreakLoop }, |
| { kEventClassFLTK, kEventFLTKDataReady } }; |
| ret = InstallEventHandler( target, dispatchHandler, GetEventTypeCount(dispatchEvents), dispatchEvents, 0, 0L ); |
| static EventTypeSpec appEvents[] = { |
| { kEventClassCommand, kEventCommandProcess } }; |
| ret = InstallApplicationEventHandler( dispatchHandler, GetEventTypeCount(appEvents), appEvents, 0, 0L ); |
| } |
| |
| got_events = 0; |
| |
| // Check for re-entrant condition |
| if ( dataready.IsThreadRunning() ) |
| { dataready.CancelThread(DEBUGTEXT("AVOID REENTRY\n")); } |
| |
| // Start thread to watch for data ready |
| if ( dataready.GetNfds() ) |
| { dataready.StartThread((void*)GetCurrentEventQueue()); } |
| |
| fl_unlock_function(); |
| |
| EventRef event; |
| EventTimeout timeout = time; |
| if (!ReceiveNextEvent(0, NULL, timeout, true, &event)) { |
| got_events = 1; |
| OSErr ret = SendEventToEventTarget( event, target ); |
| if (ret!=noErr) { |
| EventRecord clevent; |
| ConvertEventRefToEventRecord(event, &clevent); |
| if (clevent.what==kHighLevelEvent) { |
| ret = AEProcessAppleEvent(&clevent); |
| } |
| } |
| if ( ret==eventNotHandledErr |
| && GetEventClass(event)==kEventClassMouse |
| && GetEventKind(event)==kEventMouseDown ) { |
| WindowRef win; Point pos; |
| GetEventParameter(event, kEventParamMouseLocation, typeQDPoint, |
| NULL, sizeof(pos), NULL, &pos); |
| if (MacFindWindow(pos, &win)==inMenuBar) { |
| MenuSelect(pos); |
| } |
| } |
| ReleaseEvent( event ); |
| } |
| |
| fl_lock_function(); |
| |
| #if CONSOLIDATE_MOTION |
| if (send_motion && send_motion == fl_xmousewin) { |
| send_motion = 0; |
| Fl::handle(FL_MOVE, fl_xmousewin); |
| } |
| #endif |
| |
| return time; |
| } |
| |
| |
| /** |
| * This public function handles all events. It wait a maximum of |
| * 'time' secods for an event. This version returns 1 if events |
| * other than the timeout timer were processed. |
| * |
| * \todo there is no socket handling in this code whatsoever |
| */ |
| int fl_wait( double time ) |
| { |
| do_queued_events( time ); |
| return (got_events); |
| } |
| |
| |
| /** |
| * event handler for Apple-Q key combination |
| * this is also called from the Carbon Window handler after all windows were closed |
| */ |
| static OSErr QuitAppleEventHandler( const AppleEvent *appleEvt, AppleEvent* reply, UInt32 refcon ) |
| { |
| fl_lock_function(); |
| |
| while ( Fl_X::first ) { |
| Fl_X *x = Fl_X::first; |
| Fl::handle( FL_CLOSE, x->w ); |
| if ( Fl_X::first == x ) { |
| fl_unlock_function(); |
| return noErr; // FLTK has not close all windows, so we return to the main program now |
| } |
| } |
| |
| fl_unlock_function(); |
| |
| return noErr; |
| } |
| |
| |
| /** |
| * Carbon Window handler |
| * This needs to be linked into all new window event handlers |
| */ |
| static pascal OSStatus carbonWindowHandler( EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| UInt32 kind = GetEventKind( event ); |
| OSStatus ret = eventNotHandledErr; |
| Fl_Window *window = (Fl_Window*)userData; |
| Fl::first_window(window); |
| |
| Rect currentBounds, originalBounds; |
| WindowClass winClass; |
| static Fl_Window *activeWindow = 0; |
| |
| fl_lock_function(); |
| |
| switch ( kind ) |
| { |
| case kEventWindowBoundsChanging: |
| GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, ¤tBounds ); |
| GetEventParameter( event, kEventParamOriginalBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &originalBounds ); |
| break; |
| case kEventWindowDrawContent: |
| handleUpdateEvent( fl_xid( window ) ); |
| ret = noErr; |
| break; |
| case kEventWindowBoundsChanged: { |
| GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, ¤tBounds ); |
| GetEventParameter( event, kEventParamOriginalBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &originalBounds ); |
| int X = currentBounds.left, W = currentBounds.right-X; |
| int Y = currentBounds.top, H = currentBounds.bottom-Y; |
| resize_from_system = window; |
| window->resize( X, Y, W, H ); |
| if ( ( originalBounds.right - originalBounds.left != W ) |
| || ( originalBounds.bottom - originalBounds.top != H ) ) |
| { |
| if ( window->shown() ) |
| handleUpdateEvent( fl_xid( window ) ); |
| } |
| break; } |
| case kEventWindowShown: |
| if ( !window->parent() ) |
| { |
| GetWindowClass( fl_xid( window ), &winClass ); |
| if ( winClass != kHelpWindowClass ) { // help windows can't get the focus! |
| Fl::handle( FL_FOCUS, window); |
| activeWindow = window; |
| } |
| Fl::handle( FL_SHOW, window); |
| mods_to_e_state(GetCurrentKeyModifiers()); |
| } |
| break; |
| case kEventWindowHidden: |
| if ( !window->parent() ) Fl::handle( FL_HIDE, window); |
| break; |
| case kEventWindowActivated: |
| if ( window->shown() && window!=activeWindow ) |
| { |
| GetWindowClass( fl_xid( window ), &winClass ); |
| if ( winClass != kHelpWindowClass ) { // help windows can't get the focus! |
| Fl::handle( FL_FOCUS, window); |
| activeWindow = window; |
| } |
| } |
| break; |
| case kEventWindowDeactivated: |
| if ( window==activeWindow ) |
| { |
| Fl::handle( FL_UNFOCUS, window); |
| activeWindow = 0; |
| } |
| break; |
| case kEventWindowClose: |
| Fl::handle( FL_CLOSE, window ); // this might or might not close the window |
| // if there are no more windows, send a high-level quit event |
| if (!Fl_X::first) QuitAppleEventHandler( 0, 0, 0 ); |
| ret = noErr; // returning noErr tells Carbon to stop following up on this event |
| break; |
| case kEventWindowCollapsed: |
| window->clear_visible(); |
| break; |
| case kEventWindowExpanded: |
| window->set_visible(); |
| break; |
| } |
| |
| fl_unlock_function(); |
| |
| return ret; |
| } |
| |
| |
| /** |
| * Carbon Mousewheel handler |
| * This needs to be linked into all new window event handlers |
| */ |
| static pascal OSStatus carbonMousewheelHandler( EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| // Handle the new "MightyMouse" mouse wheel events. Please, someone explain |
| // to me why Apple changed the API on this even though the current API |
| // supports two wheels just fine. Matthias, |
| fl_lock_function(); |
| |
| fl_os_event = event; |
| Fl_Window *window = (Fl_Window*)userData; |
| if ( !window->shown() ) |
| { |
| fl_unlock_function(); |
| return noErr; |
| } |
| Fl::first_window(window); |
| |
| EventMouseWheelAxis axis; |
| GetEventParameter( event, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(EventMouseWheelAxis), NULL, &axis ); |
| long delta; |
| GetEventParameter( event, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(long), NULL, &delta ); |
| // fprintf(stderr, "axis=%d, delta=%d\n", axis, delta); |
| if ( axis == kEventMouseWheelAxisX ) { |
| Fl::e_dx = -delta; |
| Fl::e_dy = 0; |
| if ( Fl::e_dx) Fl::handle( FL_MOUSEWHEEL, window ); |
| } else if ( axis == kEventMouseWheelAxisY ) { |
| Fl::e_dx = 0; |
| Fl::e_dy = -delta; |
| if ( Fl::e_dy) Fl::handle( FL_MOUSEWHEEL, window ); |
| } else { |
| fl_unlock_function(); |
| |
| return eventNotHandledErr; |
| } |
| |
| fl_unlock_function(); |
| |
| return noErr; |
| } |
| |
| |
| /** |
| * convert the current mouse chord into the FLTK modifier state |
| */ |
| static void chord_to_e_state( UInt32 chord ) |
| { |
| static ulong state[] = |
| { |
| 0, FL_BUTTON1, FL_BUTTON3, FL_BUTTON1|FL_BUTTON3, FL_BUTTON2, |
| FL_BUTTON2|FL_BUTTON1, FL_BUTTON2|FL_BUTTON3, |
| FL_BUTTON2|FL_BUTTON1|FL_BUTTON3 |
| }; |
| Fl::e_state = ( Fl::e_state & 0xff0000 ) | state[ chord & 0x07 ]; |
| } |
| |
| |
| /** |
| * Carbon Mouse Button Handler |
| */ |
| static pascal OSStatus carbonMouseHandler( EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| static int keysym[] = { 0, FL_Button+1, FL_Button+3, FL_Button+2 }; |
| static int px, py; |
| static char suppressed = 0; |
| |
| fl_lock_function(); |
| |
| fl_os_event = event; |
| Fl_Window *window = (Fl_Window*)userData; |
| if ( !window->shown() ) |
| { |
| fl_unlock_function(); |
| return noErr; |
| } |
| Fl::first_window(window); |
| Point pos; |
| GetEventParameter( event, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &pos ); |
| EventMouseButton btn; |
| GetEventParameter( event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(EventMouseButton), NULL, &btn ); |
| UInt32 clickCount; |
| GetEventParameter( event, kEventParamClickCount, typeUInt32, NULL, sizeof(UInt32), NULL, &clickCount ); |
| UInt32 chord; |
| GetEventParameter( event, kEventParamMouseChord, typeUInt32, NULL, sizeof(UInt32), NULL, &chord ); |
| WindowRef xid = fl_xid(window), tempXid; |
| int sendEvent = 0, part = 0; |
| switch ( GetEventKind( event ) ) |
| { |
| case kEventMouseDown: |
| part = FindWindow( pos, &tempXid ); |
| if (!(Fl::grab() && window!=Fl::grab())) { |
| if ( part == inGrow ) { |
| fl_unlock_function(); |
| suppressed = 1; |
| Fl_Tooltip::current(0L); |
| return CallNextEventHandler( nextHandler, event ); // let the OS handle this for us |
| } |
| if ( part != inContent ) { |
| fl_unlock_function(); |
| suppressed = 1; |
| Fl_Tooltip::current(0L); |
| // anything else to here? |
| return CallNextEventHandler( nextHandler, event ); // let the OS handle this for us |
| } |
| } |
| suppressed = 0; |
| if (part==inContent && !IsWindowActive( xid ) ) { |
| CallNextEventHandler( nextHandler, event ); // let the OS handle the activation, but continue to get a click-through effect |
| } |
| // normal handling of mouse-down follows |
| fl_os_capture = xid; |
| sendEvent = FL_PUSH; |
| Fl::e_is_click = 1; px = pos.h; py = pos.v; |
| if (clickCount>1) |
| Fl::e_clicks++; |
| else |
| Fl::e_clicks = 0; |
| // fall through |
| case kEventMouseUp: |
| if (suppressed) { |
| suppressed = 0; |
| break; |
| } |
| if ( !window ) break; |
| if ( !sendEvent ) { |
| sendEvent = FL_RELEASE; |
| } |
| Fl::e_keysym = keysym[ btn ]; |
| // fall through |
| case kEventMouseMoved: |
| suppressed = 0; |
| if ( !sendEvent ) { |
| sendEvent = FL_MOVE; chord = 0; |
| } |
| // fall through |
| case kEventMouseDragged: |
| if (suppressed) break; |
| if ( !sendEvent ) { |
| sendEvent = FL_MOVE; // Fl::handle will convert into FL_DRAG |
| if (abs(pos.h-px)>5 || abs(pos.v-py)>5) |
| Fl::e_is_click = 0; |
| } |
| chord_to_e_state( chord ); |
| GrafPtr oldPort; |
| GetPort( &oldPort ); |
| SetPort( GetWindowPort(xid) ); // \todo replace this! There must be some GlobalToLocal call that has a port as an argument |
| SetOrigin(0, 0); |
| Fl::e_x_root = pos.h; |
| Fl::e_y_root = pos.v; |
| GlobalToLocal( &pos ); |
| Fl::e_x = pos.h; |
| Fl::e_y = pos.v; |
| SetPort( oldPort ); |
| if (GetEventKind(event)==kEventMouseDown && part!=inContent) { |
| int used = Fl::handle( sendEvent, window ); |
| CallNextEventHandler( nextHandler, event ); // let the OS handle this for us |
| if (!used) |
| suppressed = 1; |
| } else { |
| Fl::handle( sendEvent, window ); |
| } |
| break; |
| } |
| |
| fl_unlock_function(); |
| |
| return noErr; |
| } |
| |
| |
| /** |
| * convert the keyboard return code into the symbol on the keycaps |
| */ |
| static unsigned short keycode_to_sym( UInt32 keyCode, UInt32 mods, unsigned short deflt ) |
| { |
| static Ptr map = 0; |
| UInt32 state = 0; |
| if (!map) { |
| map = (Ptr)GetScriptManagerVariable(smKCHRCache); |
| if (!map) { |
| long kbID = GetScriptManagerVariable(smKeyScript); |
| map = *GetResource('KCHR', kbID); |
| } |
| } |
| if (map) |
| return KeyTranslate(map, keyCode|mods, &state ); |
| return deflt; |
| } |
| |
| /* |
| * keycode_function for post-10.5 systems, allows more sophisticated decoding of keys |
| */ |
| static int keycodeToUnicode( |
| char * uniChars, int maxChars, |
| EventKind eKind, |
| UInt32 keycode, UInt32 modifiers, |
| UInt32 * deadKeyStatePtr, |
| unsigned char, // not used in this function |
| unsigned short) // not used in this function |
| { |
| // first get the keyboard mapping in a post 10.2 way |
| |
| Ptr resource; |
| TextEncoding encoding; |
| static TextEncoding lastEncoding = kTextEncodingMacRoman; |
| int len = 0; |
| KeyboardLayoutRef currentLayout = NULL; |
| static KeyboardLayoutRef lastLayout = NULL; |
| SInt32 currentLayoutId = 0; |
| static SInt32 lastLayoutId; |
| int hasLayoutChanged = false; |
| static Ptr uchr = NULL; |
| static Ptr KCHR = NULL; |
| // ScriptCode currentKeyScript; |
| |
| KLGetCurrentKeyboardLayout(¤tLayout); |
| if (currentLayout) { |
| KLGetKeyboardLayoutProperty(currentLayout, kKLIdentifier, (const void**)¤tLayoutId); |
| if ( (lastLayout != currentLayout) || (lastLayoutId != currentLayoutId) ) { |
| lastLayout = currentLayout; |
| lastLayoutId = currentLayoutId; |
| uchr = NULL; |
| KCHR = NULL; |
| if ((KLGetKeyboardLayoutProperty(currentLayout, kKLuchrData, (const void**)&uchr) == noErr) && (uchr != NULL)) { |
| // done |
| } else if ((KLGetKeyboardLayoutProperty(currentLayout, kKLKCHRData, (const void**)&KCHR) == noErr) && (KCHR != NULL)) { |
| // done |
| } |
| // FIXME No Layout property found. Now we have a problem. |
| } |
| } |
| if (hasLayoutChanged) { |
| //deadKeyStateUp = deadKeyStateDown = 0; |
| if (KCHR != NULL) { |
| // FIXME this must not happen |
| } else if (uchr == NULL) { |
| KCHR = (Ptr) GetScriptManagerVariable(smKCHRCache); |
| } |
| } |
| if (uchr != NULL) { |
| // this is what I expect |
| resource = uchr; |
| } else { |
| resource = KCHR; |
| encoding = lastEncoding; |
| // this is actually not supported by the following code and will likely crash |
| } |
| |
| // now apply that keyboard mapping to our keycode |
| |
| int action; |
| //OptionBits options = 0; |
| // not used yet: OptionBits options = kUCKeyTranslateNoDeadKeysMask; |
| unsigned long keyboardType; |
| keycode &= 0xFF; |
| modifiers = (modifiers >> 8) & 0xFF; |
| keyboardType = LMGetKbdType(); |
| OSStatus status; |
| UniCharCount actuallength; |
| UniChar utext[10]; |
| |
| switch(eKind) { |
| case kEventRawKeyDown: action = kUCKeyActionDown; break; |
| case kEventRawKeyUp: action = kUCKeyActionUp; break; |
| case kEventRawKeyRepeat: action = kUCKeyActionAutoKey; break; |
| default: return 0; |
| } |
| |
| UInt32 deadKeyState = *deadKeyStatePtr; |
| if ((action==kUCKeyActionUp)&&(*deadKeyStatePtr)) |
| deadKeyStatePtr = &deadKeyState; |
| |
| status = UCKeyTranslate( |
| (const UCKeyboardLayout *) uchr, |
| keycode, action, modifiers, keyboardType, |
| 0, deadKeyStatePtr, |
| 10, &actuallength, utext); |
| |
| if (noErr != status) { |
| fprintf(stderr,"UCKeyTranslate failed: %d\n", (int) status); |
| actuallength = 0; |
| } |
| |
| // convert the list of unicode chars into utf8 |
| // FIXME no bounds check (see maxchars) |
| unsigned i; |
| for (i=0; i<actuallength; ++i) { |
| len += fl_utf8encode(utext[i], uniChars+len); |
| } |
| uniChars[len] = 0; |
| return len; |
| } |
| |
| /* |
| * keycode_function for pre-10.5 systems, this is the "historic" fltk Mac key handling |
| */ |
| static int keycode_wrap_old( |
| char * buffer, |
| int, EventKind, UInt32, // not used in this function |
| UInt32, UInt32 *, // not used in this function |
| unsigned char key, |
| unsigned short sym) |
| { |
| if ( (sym >= FL_KP && sym <= FL_KP_Last) || !(sym & 0xff00) || |
| sym == FL_Tab || sym == FL_Enter) { |
| buffer[0] = key; |
| return 1; |
| } else { |
| buffer[0] = 0; |
| return 0; |
| } |
| } /* keycode_wrap_old */ |
| /* |
| * Stub pointer to select appropriate keycode_function per operating system version. This function pointer |
| * is initialised in fl_open_display, based on the runtime identification of the host OS version. This is |
| * intended to allow us to utilise 10.5 services dynamically to improve Unicode handling, whilst still |
| * allowing code to run satisfactorily on older systems. |
| */ |
| static int (*keycode_function)(char*, int, EventKind, UInt32, UInt32, UInt32*, unsigned char, unsigned short) = keycode_wrap_old; |
| |
| |
| // EXPERIMENTAL! |
| pascal OSStatus carbonTextHandler( |
| EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| Fl_Window *window = (Fl_Window*)userData; |
| Fl::first_window(window); |
| fl_lock_function(); |
| //int kind = GetEventKind(event); |
| unsigned short buf[200]; |
| ByteCount size; |
| GetEventParameter( event, kEventParamTextInputSendText, typeUnicodeText, |
| NULL, 100, &size, &buf ); |
| // printf("TextEvent: %02x %02x %02x %02x\n", buf[0], buf[1], buf[2], buf[3]); |
| // FIXME: oversimplified! |
| unsigned ucs = buf[0]; |
| char utf8buf[20]; |
| int len = fl_utf8encode(ucs, utf8buf); |
| Fl::e_length = len; |
| Fl::e_text = utf8buf; |
| while (window->parent()) window = window->window(); |
| Fl::handle(FL_KEYBOARD, window); |
| fl_unlock_function(); |
| fl_lock_function(); |
| Fl::handle(FL_KEYUP, window); |
| fl_unlock_function(); |
| // for some reason, the window does not redraw until the next mouse move or button push |
| // sending a 'redraw()' or 'awake()' does not solve the issue! |
| Fl::flush(); |
| return noErr; |
| } |
| |
| /** |
| * handle carbon keyboard events |
| */ |
| pascal OSStatus carbonKeyboardHandler( |
| EventHandlerCallRef nextHandler, EventRef event, void *userData ) |
| { |
| static char buffer[32]; |
| int sendEvent = 0; |
| Fl_Window *window = (Fl_Window*)userData; |
| Fl::first_window(window); |
| UInt32 mods; |
| static UInt32 prevMods = mods_to_e_state( GetCurrentKeyModifiers() ); |
| |
| fl_lock_function(); |
| |
| int kind = GetEventKind(event); |
| |
| // get the modifiers for any of the events |
| GetEventParameter( event, kEventParamKeyModifiers, typeUInt32, |
| NULL, sizeof(UInt32), NULL, &mods ); |
| |
| // get the key code only for key events |
| UInt32 keyCode = 0, maskedKeyCode = 0; |
| unsigned char key = 0; |
| unsigned short sym = 0; |
| if (kind!=kEventRawKeyModifiersChanged) { |
| GetEventParameter( event, kEventParamKeyCode, typeUInt32, |
| NULL, sizeof(UInt32), NULL, &keyCode ); |
| GetEventParameter( event, kEventParamKeyMacCharCodes, typeChar, |
| NULL, sizeof(char), NULL, &key ); |
| } |
| // extended keyboards can also send sequences on key-up to generate Kanji etc. codes. |
| // Some observed prefixes are 0x81 to 0x83, followed by an 8 bit keycode. |
| // In this mode, there seem to be no key-down codes |
| // printf("%08x %08x %08x\n", keyCode, mods, key); |
| maskedKeyCode = keyCode & 0x7f; |
| /* output a human readable event identifier for debugging |
| const char *ev = ""; |
| switch (kind) { |
| case kEventRawKeyDown: ev = "kEventRawKeyDown"; break; |
| case kEventRawKeyRepeat: ev = "kEventRawKeyRepeat"; break; |
| case kEventRawKeyUp: ev = "kEventRawKeyUp"; break; |
| case kEventRawKeyModifiersChanged: ev = "kEventRawKeyModifiersChanged"; break; |
| default: ev = "unknown"; |
| } |
| printf("%08x %08x %08x '%c' %s \n", mods, keyCode, key, key, ev); |
| */ |
| switch (kind) |
| { |
| case kEventRawKeyDown: |
| case kEventRawKeyRepeat: |
| /* |
| // FIXME Matt: For 10.5, the keycode_function will handle all this. This is untested for ealier versions of OS X. |
| // When the user presses a "dead key", no information is send about |
| // which dead key symbol was created. So we need to trick Carbon into |
| // giving us the code by sending a "space" after the "dead key". |
| if (key==0) { |
| UInt32 ktState = 0; |
| KeyboardLayoutRef klr; |
| KLGetCurrentKeyboardLayout(&klr); |
| const void *kchar = 0; KLGetKeyboardLayoutProperty(klr, kKLKCHRData, &kchar); |
| KeyTranslate(kchar, (mods&0xff00) | keyCode, &ktState); // send the dead key |
| key = KeyTranslate(kchar, 0x31, &ktState); // fake a space key press |
| Fl::e_state |= 0x40000000; // mark this as a dead key |
| } else { |
| Fl::e_state &= 0xbfffffff; // clear the deadkey flag |
| } |
| */ |
| sendEvent = FL_KEYBOARD; |
| // fall through |
| case kEventRawKeyUp: |
| if ( !sendEvent ) { |
| sendEvent = FL_KEYUP; |
| Fl::e_state &= 0xbfffffff; // clear the deadkey flag |
| } |
| // if the user pressed alt/option, event_key should have the keycap, |
| // but event_text should generate the international symbol |
| sym = macKeyLookUp[maskedKeyCode]; |
| if ( isalpha(key) ) |
| sym = tolower(key); |
| else if ( Fl::e_state&FL_CTRL && key<32 && sym<0xff00) |
| sym = key+96; |
| else if ( Fl::e_state&FL_ALT && sym<0xff00) // find the keycap of this key |
| sym = keycode_to_sym( maskedKeyCode, 0, macKeyLookUp[ maskedKeyCode ] ); |
| Fl::e_keysym = Fl::e_original_keysym = sym; |
| // Handle FL_KP_Enter on regular keyboards and on Powerbooks |
| if ( maskedKeyCode==0x4c || maskedKeyCode==0x34) key=0x0d; |
| // Handle the Delete key on the keypad |
| // Matt: the Mac has no concept of a NumLock key, or at least not visible |
| // Matt: to Carbon. The kEventKeyModifierNumLockMask is only set when |
| // Matt: a numeric keypad key is pressed and does not correspond with |
| // Matt: the NumLock light in PowerBook keyboards. |
| |
| // Matt: attempt to get the correct Unicode character(s) from our keycode |
| // imm: keycode_function function pointer added to allow us to use different functions |
| // imm: depending on which OS version we are running on (tested and set in fl_open_display) |
| static UInt32 deadKeyState = 0; // must be cleared when losing focus |
| Fl::e_length = (*keycode_function)(buffer, 31, kind, keyCode, mods, &deadKeyState, key, sym); |
| Fl::e_text = buffer; |
| buffer[Fl::e_length] = 0; // just in case... |
| break; |
| case kEventRawKeyModifiersChanged: { |
| UInt32 tMods = prevMods ^ mods; |
| if ( tMods ) |
| { |
| mods_to_e_keysym( tMods ); |
| if ( Fl::e_keysym ) |
| sendEvent = ( prevMods<mods ) ? FL_KEYBOARD : FL_KEYUP; |
| Fl::e_length = 0; |
| buffer[0] = 0; |
| prevMods = mods; |
| } |
| mods_to_e_state( mods ); |
| break; } |
| } |
| while (window->parent()) window = window->window(); |
| if (sendEvent && Fl::handle(sendEvent,window)) { |
| fl_unlock_function(); |
| return noErr; // return noErr if FLTK handled the event |
| } else { |
| fl_unlock_function(); |
| //return CallNextEventHandler( nextHandler, event );; |
| // Matt: I had better results (no duplicate events) always returning |
| // Matt: 'noErr'. System keyboard events still seem to work just fine. |
| return noErr; |
| } |
| } |
| |
| |
| |
| /** |
| * Open callback function to call... |
| */ |
| |
| static void (*open_cb)(const char *) = 0; |
| |
| |
| /** |
| * Event handler for Apple-O key combination and also for file opens |
| * via the finder... |
| */ |
| |
| static OSErr OpenAppleEventHandler(const AppleEvent *appleEvt, |
| AppleEvent *reply, |
| UInt32 refcon) { |
| OSErr err; |
| AEDescList documents; |
| long i, n; |
| FSSpec fileSpec; |
| AEKeyword keyWd; |
| DescType typeCd; |
| Size actSz; |
| char filename[1024]; |
| |
| if (!open_cb) return noErr; |
| |
| // Initialize the document list... |
| AECreateDesc(typeNull, NULL, 0, &documents); |
| |
| // Get the open parameter(s)... |
| err = AEGetParamDesc(appleEvt, keyDirectObject, typeAEList, &documents); |
| if (err != noErr) { |
| AEDisposeDesc(&documents); |
| return err; |
| } |
| |
| // Lock access to FLTK in this thread... |
| fl_lock_function(); |
| |
| // Open the documents via the callback... |
| if (AECountItems(&documents, &n) == noErr) { |
| for (i = 1; i <= n; i ++) { |
| // Get the next FSSpec record... |
| AEGetNthPtr(&documents, i, typeFSS, &keyWd, &typeCd, |
| (Ptr)&fileSpec, sizeof(fileSpec), |
| (actSz = sizeof(fileSpec), &actSz)); |
| |
| // Convert to a UNIX path... |
| FSSpec2UnixPath(&fileSpec, filename); |
| |
| // Call the callback with the filename... |
| (*open_cb)(filename); |
| } |
| } |
| |
| // Unlock access to FLTK for all threads... |
| fl_unlock_function(); |
| |
| // Get rid of the document list... |
| AEDisposeDesc(&documents); |
| |
| return noErr; |
| } |
| |
| |
| /** |
| * Install an open documents event handler... |
| */ |
| |
| void fl_open_callback(void (*cb)(const char *)) { |
| open_cb = cb; |
| if (cb) { |
| AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments, |
| NewAEEventHandlerUPP((AEEventHandlerProcPtr) |
| OpenAppleEventHandler), 0, false); |
| } else { |
| AERemoveEventHandler(kCoreEventClass, kAEOpenDocuments, |
| NewAEEventHandlerUPP((AEEventHandlerProcPtr) |
| OpenAppleEventHandler), false); |
| } |
| } |
| |
| |
| /** |
| * initialize the Mac toolboxes, dock status, and set the default menubar |
| */ |
| |
| extern "C" { |
| extern OSErr CPSEnableForegroundOperation(ProcessSerialNumber *psn, UInt32 _arg2, |
| UInt32 _arg3, UInt32 _arg4, UInt32 _arg5); |
| } |
| |
| void fl_open_display() { |
| static char beenHereDoneThat = 0; |
| if ( !beenHereDoneThat ) { |
| beenHereDoneThat = 1; |
| |
| FlushEvents(everyEvent,0); |
| |
| MoreMasters(); // \todo Carbon suggests MoreMasterPointers() |
| AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP((AEEventHandlerProcPtr)QuitAppleEventHandler), 0, false ); |
| |
| // create the Mac Handle for the default cursor (a pointer to a pointer) |
| GetQDGlobalsArrow(&default_cursor); |
| default_cursor_ptr = &default_cursor; |
| fl_default_cursor = &default_cursor_ptr; |
| |
| ClearMenuBar(); |
| AppendResMenu( GetMenuHandle( 1 ), 'DRVR' ); |
| DrawMenuBar(); |
| |
| // bring the application into foreground without a 'CARB' resource |
| Boolean same_psn; |
| ProcessSerialNumber cur_psn, front_psn; |
| if( !GetCurrentProcess( &cur_psn ) && !GetFrontProcess( &front_psn ) && |
| !SameProcess( &front_psn, &cur_psn, &same_psn ) && !same_psn ) |
| { |
| // only transform the application type for unbundled apps |
| CFBundleRef bundle = CFBundleGetMainBundle(); |
| if( bundle ) |
| { |
| FSRef execFs; |
| CFURLRef execUrl = CFBundleCopyExecutableURL( bundle ); |
| CFURLGetFSRef( execUrl, &execFs ); |
| |
| FSRef bundleFs; |
| GetProcessBundleLocation( &cur_psn, &bundleFs ); |
| |
| if( !FSCompareFSRefs( &execFs, &bundleFs ) ) |
| bundle = NULL; |
| |
| CFRelease(execUrl); |
| } |
| |
| if( !bundle ) |
| { |
| // Earlier versions of this code tried to use weak linking, however it |
| // appears that this does not work on 10.2. Since 10.3 and higher provide |
| // both TransformProcessType and CPSEnableForegroundOperation, the following |
| // conditional code compiled on 10.2 will still work on newer releases... |
| OSErr err; |
| |
| #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| if (TransformProcessType != NULL) { |
| err = TransformProcessType(&cur_psn, kProcessTransformToForegroundApplication); |
| } else |
| #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| err = CPSEnableForegroundOperation(&cur_psn, 0x03, 0x3C, 0x2C, 0x1103); |
| |
| if (err == noErr) { |
| SetFrontProcess( &cur_psn ); |
| } |
| } |
| } |
| |
| // imm: keycode handler stub setting - use Gestalt to determine the running system version, |
| // then set the keycode_function pointer accordingly |
| keycode_function = keycode_wrap_old; // default to pre-10.5 mechanism |
| SInt32 MacVersion; |
| if (Gestalt(gestaltSystemVersion, &MacVersion) == noErr) |
| { |
| if(MacVersion >= 0x1050) { // 10.5.0 or later |
| keycode_function = keycodeToUnicode; |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * get rid of allocated resources |
| */ |
| void fl_close_display() { |
| } |
| |
| |
| /** |
| * smallest x ccordinate in screen space |
| */ |
| int Fl::x() { |
| BitMap r; |
| GetQDGlobalsScreenBits(&r); |
| return r.bounds.left; |
| } |
| |
| |
| /** |
| * smallest y ccordinate in screen space |
| */ |
| int Fl::y() { |
| BitMap r; |
| GetQDGlobalsScreenBits(&r); |
| return r.bounds.top + 20; // \todo 20 pixel menu bar? |
| } |
| |
| |
| /** |
| * screen width (single monitor!?) |
| */ |
| int Fl::w() { |
| BitMap r; |
| GetQDGlobalsScreenBits(&r); |
| return r.bounds.right - r.bounds.left; |
| } |
| |
| |
| /** |
| * screen height (single monitor!?) |
| */ |
| int Fl::h() { |
| BitMap r; |
| GetQDGlobalsScreenBits(&r); |
| return r.bounds.bottom - r.bounds.top - 20; |
| } |
| |
| |
| /** |
| * get the current mouse pointer world coordinates |
| */ |
| void Fl::get_mouse(int &x, int &y) |
| { |
| fl_open_display(); |
| Point loc; |
| GetMouse( &loc ); |
| LocalToGlobal( &loc ); |
| x = loc.h; |
| y = loc.v; |
| } |
| |
| |
| /** |
| * convert Mac keystrokes to FLTK |
| */ |
| unsigned short mac2fltk(ulong macKey) |
| { |
| unsigned short cc = macKeyLookUp[(macKey>>8)&0x7f]; |
| if (cc) return cc; |
| return macKey&0xff; |
| } |
| |
| |
| /** |
| * Initialize the given port for redraw and call the windw's flush() to actually draw the content |
| */ |
| void Fl_X::flush() |
| { |
| w->flush(); |
| if (fl_gc) |
| CGContextFlush(fl_gc); |
| SetOrigin( 0, 0 ); |
| } |
| |
| |
| /** |
| * Handle all clipping and redraw for the given port |
| * There are two different callers for this event: |
| * 1: the OS can request a redraw and provides all clipping itself |
| * 2: Fl::flush() wants all redraws now |
| */ |
| void handleUpdateEvent( WindowPtr xid ) |
| { |
| Fl_Window *window = fl_find( xid ); |
| if ( !window ) return; |
| GrafPtr oldPort; |
| GetPort( &oldPort ); |
| SetPort( GetWindowPort(xid) ); |
| Fl_X *i = Fl_X::i( window ); |
| i->wait_for_expose = 0; |
| if ( window->damage() ) { |
| if ( i->region ) { |
| InvalWindowRgn( xid, i->region ); |
| } |
| } |
| if ( i->region ) { // no region, so the sytem will take the update region from the OS |
| DisposeRgn( i->region ); |
| i->region = 0; |
| } |
| for ( Fl_X *cx = i->xidChildren; cx; cx = cx->xidNext ) |
| { |
| cx->w->clear_damage(window->damage()|FL_DAMAGE_EXPOSE); |
| cx->flush(); |
| cx->w->clear_damage(); |
| } |
| window->clear_damage(window->damage()|FL_DAMAGE_EXPOSE); |
| i->flush(); |
| window->clear_damage(); |
| SetPort( oldPort ); |
| } |
| |
| // Gets the border sizes and the titlebar size |
| static void get_window_frame_sizes(int &bx, int &by, int &bt) { |
| #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| static HIRect contentRect = { {50,50}, {100,100} }; // a rect to stand in for the content rect of a real window |
| static HIThemeWindowDrawInfo metrics= {0, |
| kThemeStateActive, kThemeDocumentWindow, |
| kThemeWindowHasFullZoom + kThemeWindowHasCloseBox + |
| kThemeWindowHasCollapseBox + kThemeWindowHasTitleText, |
| 0, 0}; |
| HIShapeRef shape1=0, shape2=0, shape3=0; |
| HIRect rect1, rect2, rect3; |
| OSStatus status; |
| status = HIThemeGetWindowShape(&contentRect, &metrics, kWindowStructureRgn, &shape1); |
| status |= HIThemeGetWindowShape(&contentRect, &metrics, kWindowContentRgn, &shape2); |
| status |= HIThemeGetWindowShape(&contentRect, &metrics, kWindowTitleBarRgn, &shape3); |
| |
| if (!status) |
| { |
| HIShapeGetBounds(shape1, &rect1); |
| HIShapeGetBounds(shape2, &rect2); |
| HIShapeGetBounds(shape3, &rect3); |
| bt = rect3.size.height; |
| bx = rect2.origin.x - rect1.origin.x; |
| by = rect2.origin.y - rect1.origin.y - bt; |
| // fprintf(stderr, "HIThemeGetWindowShape succeeded bx=%d by=%d bt=%d\n", bx, by, bt); |
| } |
| else |
| #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| { |
| // sets default dimensions |
| bx = by = 6; |
| bt = 22; |
| // fprintf(stderr, "HIThemeGetWindowShape failed, bx=%d by=%d bt=%d\n", bx, by, bt); |
| } |
| #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| CFRelease(shape1); // we must free HIThemeGetWindowShape() (copied) handles |
| CFRelease(shape2); |
| CFRelease(shape3); |
| #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| } |
| |
| /** |
| * \todo this is a leftover from OS9 times. Please check how much applies to Carbon! |
| */ |
| int Fl_X::fake_X_wm(const Fl_Window* w,int &X,int &Y, int &bt,int &bx, int &by) { |
| int W, H, xoff, yoff, dx, dy; |
| int ret = bx = by = bt = 0; |
| if (w->border() && !w->parent()) { |
| if (w->maxw != w->minw || w->maxh != w->minh) { |
| ret = 2; |
| get_window_frame_sizes(bx, by, bt); |
| /* |
| bx = 6; // \todo Mac : GetSystemMetrics(SM_CXSIZEFRAME); |
| by = 6; // \todo Mac : get Mac window frame size GetSystemMetrics(SM_CYSIZEFRAME); |
| */ |
| } else { |
| ret = 1; |
| get_window_frame_sizes(bx, by, bt); |
| /* |
| bx = 6; // \todo Mac : GetSystemMetrics(SM_CXFIXEDFRAME); |
| by = 6; // \todo Mac : GetSystemMetrics(SM_CYFIXEDFRAME); |
| */ |
| } |
| } |
| //The coordinates of the whole window, including non-client area |
| xoff = bx; |
| yoff = by + bt; |
| dx = 2*bx; |
| dy = 2*by + bt; |
| X = w->x()-xoff; |
| Y = w->y()-yoff; |
| W = w->w()+dx; |
| H = w->h()+dy; |
| |
| //Proceed to positioning the window fully inside the screen, if possible |
| |
| // let's get a little elaborate here. Mac OS X puts a lot of stuff on the desk |
| // that we want to avoid when positioning our window, namely the Dock and the |
| // top menu bar (and even more stuff in 10.4 Tiger). So we will go through the |
| // list of all available screens and find the one that this window is most |
| // likely to go to, and then reposition it to fit withing the 'good' area. |
| Rect r; |
| // find the screen, that the center of this window will fall into |
| int R = X+W, B = Y+H; // right and bottom |
| int cx = (X+R)/2, cy = (Y+B)/2; // center of window; |
| GDHandle gd = 0L; |
| for (gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) { |
| GDPtr gp = *gd; |
| if ( cx >= gp->gdRect.left && cx <= gp->gdRect.right |
| && cy >= gp->gdRect.top && cy <= gp->gdRect.bottom) |
| break; |
| } |
| // if the center doesn't fall on a screen, try the top left |
| if (!gd) { |
| for (gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) { |
| GDPtr gp = *gd; |
| if ( X >= gp->gdRect.left && X <= gp->gdRect.right |
| && Y >= gp->gdRect.top && Y <= gp->gdRect.bottom) |
| break; |
| } |
| } |
| // if that doesn't fall on a screen, try the top right |
| if (!gd) { |
| for (gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) { |
| GDPtr gp = *gd; |
| if ( R >= gp->gdRect.left && R <= gp->gdRect.right |
| && Y >= gp->gdRect.top && Y <= gp->gdRect.bottom) |
| break; |
| } |
| } |
| // if that doesn't fall on a screen, try the bottom left |
| if (!gd) { |
| for (gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) { |
| GDPtr gp = *gd; |
| if ( X >= gp->gdRect.left && X <= gp->gdRect.right |
| && B >= gp->gdRect.top && B <= gp->gdRect.bottom) |
| break; |
| } |
| } |
| // last resort, try the bottom right |
| if (!gd) { |
| for (gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) { |
| GDPtr gp = *gd; |
| if ( R >= gp->gdRect.left && R <= gp->gdRect.right |
| && B >= gp->gdRect.top && B <= gp->gdRect.bottom) |
| break; |
| } |
| } |
| // if we still have not found a screen, we will use the main |
| // screen, the one that has the application menu bar. |
| if (!gd) gd = GetMainDevice(); |
| if (gd) { |
| GetAvailableWindowPositioningBounds(gd, &r); |
| if ( R > r.right ) X -= R - r.right; |
| if ( B > r.bottom ) Y -= B - r.bottom; |
| if ( X < r.left ) X = r.left; |
| if ( Y < r.top ) Y = r.top; |
| } |
| |
| //Return the client area's top left corner in (X,Y) |
| X+=xoff; |
| Y+=yoff; |
| |
| return ret; |
| } |
| |
| /** |
| * convert a Mac FSSpec structure into a Unix filename |
| */ |
| static int FSSpec2UnixPath( FSSpec *fs, char *dst ) |
| { |
| FSRef fsRef; |
| FSpMakeFSRef( fs, &fsRef ); |
| FSRefMakePath( &fsRef, (UInt8*)dst, 1024 ); |
| return strlen(dst); |
| } |
| static void convert_crlf(char * s, size_t len) |
| { |
| // turn all \r characters into \n: |
| for (size_t x = 0; x < len; x++) if (s[x] == '\r') s[x] = '\n'; |
| } |
| |
| |
| static DragReference currDragRef = 0; |
| static char *currDragData = 0L; |
| static int currDragSize = 0; |
| static OSErr currDragErr = noErr; |
| Fl_Window *fl_dnd_target_window = 0; |
| #include <FL/fl_draw.H> |
| |
| /** |
| * Fill the currDrag* variables with the current DnD ASCII text. |
| */ |
| static OSErr fillCurrentDragData(DragReference dragRef) |
| { |
| OSErr ret = noErr; |
| char *dst = 0L; |
| |
| // shortcut through this whole procedure if this is still the same drag event |
| if (dragRef==currDragRef) |
| return currDragErr; |
| |
| // clear currDrag* for a new drag event |
| currDragRef = dragRef; |
| if (currDragData) free(currDragData); |
| currDragData = 0; |
| currDragSize = 0; |
| |
| // fill currDRag* with ASCII data, if available |
| UInt16 i, nItem; |
| ItemReference itemRef; |
| FlavorFlags flags; |
| Size itemSize, size = 0; |
| CountDragItems( dragRef, &nItem ); |
| |
| for ( i = 1; i <= nItem; i++ ) |
| { |
| GetDragItemReferenceNumber( dragRef, i, &itemRef ); |
| ret = GetFlavorFlags( dragRef, itemRef, 'utf8', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'utf8', &itemSize ); |
| size += itemSize; |
| continue; |
| } |
| ret = GetFlavorFlags( dragRef, itemRef, 'utxt', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'utxt', &itemSize ); |
| size += itemSize; |
| continue; |
| } |
| ret = GetFlavorFlags( dragRef, itemRef, 'TEXT', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'TEXT', &itemSize ); |
| size += itemSize; |
| continue; |
| } |
| ret = GetFlavorFlags( dragRef, itemRef, 'hfs ', &flags ); |
| if ( ret == noErr ) |
| { |
| size += 1024; //++ ouch! We should create the full pathname and figure out its length |
| continue; |
| } |
| } |
| |
| if ( !size ) |
| { |
| currDragErr = userCanceledErr; |
| return currDragErr; |
| } |
| |
| currDragSize = size + nItem - 1; |
| currDragData = dst = (char*)malloc( size+nItem );; |
| |
| for ( i = 1; i <= nItem; i++ ) |
| { |
| GetDragItemReferenceNumber( dragRef, i, &itemRef ); |
| ret = GetFlavorFlags( dragRef, itemRef, 'utf8', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'utf8', &itemSize ); |
| GetFlavorData( dragRef, itemRef, 'utf8', dst, &itemSize, 0L ); |
| dst += itemSize; |
| *dst++ = '\n'; // add our element separator |
| continue; |
| } |
| GetDragItemReferenceNumber( dragRef, i, &itemRef ); |
| ret = GetFlavorFlags( dragRef, itemRef, 'utxt', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'utxt', &itemSize ); |
| GetFlavorData( dragRef, itemRef, 'utxt', dst, &itemSize, 0L ); |
| dst += itemSize; |
| *dst++ = '\n'; // add our element separator |
| continue; |
| } |
| ret = GetFlavorFlags( dragRef, itemRef, 'TEXT', &flags ); |
| if ( ret == noErr ) |
| { |
| GetFlavorDataSize( dragRef, itemRef, 'TEXT', &itemSize ); |
| GetFlavorData( dragRef, itemRef, 'TEXT', dst, &itemSize, 0L ); |
| dst += itemSize; |
| *dst++ = '\n'; // add our element separator |
| continue; |
| } |
| ret = GetFlavorFlags( dragRef, itemRef, 'hfs ', &flags ); |
| if ( ret == noErr ) |
| { |
| HFSFlavor hfs; itemSize = sizeof( hfs ); |
| GetFlavorData( dragRef, itemRef, 'hfs ', &hfs, &itemSize, 0L ); |
| itemSize = FSSpec2UnixPath( &hfs.fileSpec, dst ); // return the path name in UTF8 |
| dst += itemSize; |
| if ( itemSize>1 && ( hfs.fileType=='fold' || hfs.fileType=='disk' ) ) |
| *dst++ = '/'; |
| *dst++ = '\n'; // add our element separator |
| continue; |
| } |
| } |
| |
| dst[-1] = 0; |
| currDragSize = dst - currDragData - 1; |
| currDragErr = ret; |
| return ret; |
| } |
| |
| /** |
| * Drag'n'drop tracking handler |
| */ |
| static pascal OSErr dndTrackingHandler( DragTrackingMessage msg, WindowPtr w, void *userData, DragReference dragRef ) |
| { |
| Fl_Window *target = (Fl_Window*)userData; |
| Fl::first_window(target); |
| Point mp; |
| static int px, py; |
| |
| fillCurrentDragData(dragRef); |
| Fl::e_length = currDragSize; |
| Fl::e_text = currDragData; |
| |
| switch ( msg ) |
| { |
| case kDragTrackingEnterWindow: |
| // check if 'TEXT' is available |
| GetDragMouse( dragRef, &mp, 0 ); |
| Fl::e_x_root = px = mp.h; |
| Fl::e_y_root = py = mp.v; |
| Fl::e_x = px - target->x(); |
| Fl::e_y = py - target->y(); |
| fl_dnd_target_window = target; |
| if ( Fl::handle( FL_DND_ENTER, target ) ) |
| fl_cursor( FL_CURSOR_HAND ); //ShowDragHilite( ); // modify the mouse cursor?! |
| else |
| fl_cursor( FL_CURSOR_DEFAULT ); //HideDragHilite( dragRef ); |
| breakMacEventLoop(); |
| return noErr; |
| case kDragTrackingInWindow: |
| GetDragMouse( dragRef, &mp, 0 ); |
| if ( mp.h==px && mp.v==py ) |
| break; //+ return previous condition for dnd hiliting |
| Fl::e_x_root = px = mp.h; |
| Fl::e_y_root = py = mp.v; |
| Fl::e_x = px - target->x(); |
| Fl::e_y = py - target->y(); |
| fl_dnd_target_window = target; |
| if ( Fl::handle( FL_DND_DRAG, target ) ) |
| fl_cursor( FL_CURSOR_HAND ); //ShowDragHilite( ); // modify the mouse cursor?! |
| else |
| fl_cursor( FL_CURSOR_DEFAULT ); //HideDragHilite( dragRef ); |
| breakMacEventLoop(); |
| return noErr; |
| break; |
| case kDragTrackingLeaveWindow: |
| // HideDragHilite() |
| fl_cursor( FL_CURSOR_DEFAULT ); //HideDragHilite( dragRef ); |
| if ( fl_dnd_target_window ) |
| { |
| Fl::handle( FL_DND_LEAVE, fl_dnd_target_window ); |
| fl_dnd_target_window = 0; |
| } |
| breakMacEventLoop(); |
| return noErr; |
| } |
| return noErr; |
| } |
| |
| |
| /** |
| * Drag'n'drop receive handler |
| */ |
| static pascal OSErr dndReceiveHandler( WindowPtr w, void *userData, DragReference dragRef ) |
| { |
| Point mp; |
| OSErr ret; |
| |
| Fl_Window *target = fl_dnd_target_window = (Fl_Window*)userData; |
| Fl::first_window(target); |
| GetDragMouse( dragRef, &mp, 0 ); |
| Fl::e_x_root = mp.h; |
| Fl::e_y_root = mp.v; |
| Fl::e_x = Fl::e_x_root - target->x(); |
| Fl::e_y = Fl::e_y_root - target->y(); |
| if ( !Fl::handle( FL_DND_RELEASE, target ) ) |
| return userCanceledErr; |
| |
| ret = fillCurrentDragData(dragRef); |
| if (ret==userCanceledErr) |
| return userCanceledErr; |
| |
| Fl::e_length = currDragSize; |
| Fl::e_text = currDragData; |
| // printf("Sending following text to widget %p:\n%s\n", Fl::belowmouse(), Fl::e_text); |
| int old_event = Fl::e_number; |
| Fl::belowmouse()->handle(Fl::e_number = FL_PASTE); |
| Fl::e_number = old_event; |
| |
| if (currDragData) { |
| free(currDragData); |
| } |
| currDragData = 0L; |
| currDragRef = 0; |
| Fl::e_text = 0L; |
| Fl::e_length = 0; |
| fl_dnd_target_window = 0L; |
| |
| breakMacEventLoop(); |
| return noErr; |
| } |
| // fc: |
| static void q_set_window_title(Window xid, const char * name ) { |
| #if 1 |
| CFStringRef utf8_title = CFStringCreateWithCString(NULL, (name ? name : ""), kCFStringEncodingUTF8); |
| SetWindowTitleWithCFString(xid, utf8_title); |
| CFRelease(utf8_title); |
| #else // old non-utf8 code to remove after new utf8 code approval : |
| Str255 pTitle; |
| if (name) { |
| if (strlen(name) > 255) pTitle[0] = 255; |
| else pTitle[0] = strlen(name); |
| memcpy(pTitle+1, name, pTitle[0]); |
| } |
| else |
| pTitle[0] = 0; |
| SetWTitle(xid, pTitle); |
| #endif |
| } |
| |
| /** |
| * go ahead, create that (sub)window |
| * \todo we should make menu windows slightly transparent for the new Mac look |
| */ |
| void Fl_X::make(Fl_Window* w) |
| { |
| static int xyPos = 100; |
| if ( w->parent() ) // create a subwindow |
| { |
| Fl_Group::current(0); |
| Rect wRect; |
| wRect.top = w->y(); |
| wRect.left = w->x(); |
| wRect.bottom = w->y() + w->h(); if (wRect.bottom<=wRect.top) wRect.bottom = wRect.top+1; |
| wRect.right = w->x() + w->w(); if (wRect.right<=wRect.left) wRect.right = wRect.left+1; |
| // our subwindow needs this structure to know about its clipping. |
| Fl_X* x = new Fl_X; |
| x->other_xid = 0; |
| x->region = 0; |
| x->subRegion = 0; |
| x->cursor = fl_default_cursor; |
| x->gc = 0; // stay 0 for Quickdraw; fill with CGContext for Quartz |
| Fl_Window *win = w->window(); |
| Fl_X *xo = Fl_X::i(win); |
| if (xo) { |
| x->xidNext = xo->xidChildren; |
| x->xidChildren = 0L; |
| xo->xidChildren = x; |
| x->xid = fl_xid(win); |
| x->w = w; w->i = x; |
| x->wait_for_expose = 0; |
| x->next = Fl_X::first; // must be in the list for ::flush() |
| Fl_X::first = x; |
| int old_event = Fl::e_number; |
| w->handle(Fl::e_number = FL_SHOW); |
| Fl::e_number = old_event; |
| w->redraw(); // force draw to happen |
| } |
| fl_show_iconic = 0; |
| } |
| else // create a desktop window |
| { |
| Fl_Group::current(0); |
| fl_open_display(); |
| int winclass = kDocumentWindowClass; |
| int winattr = kWindowStandardHandlerAttribute | kWindowCloseBoxAttribute | kWindowCollapseBoxAttribute; |
| int xp = w->x(); |
| int yp = w->y(); |
| int wp = w->w(); |
| int hp = w->h(); |
| if (w->size_range_set) { |
| if ( w->minh != w->maxh || w->minw != w->maxw) |
| winattr |= kWindowFullZoomAttribute | kWindowResizableAttribute | kWindowLiveResizeAttribute; |
| } else { |
| if (w->resizable()) { |
| Fl_Widget *o = w->resizable(); |
| int minw = o->w(); if (minw > 100) minw = 100; |
| int minh = o->h(); if (minh > 100) minh = 100; |
| w->size_range(w->w() - o->w() + minw, w->h() - o->h() + minh, 0, 0); |
| winattr |= kWindowFullZoomAttribute | kWindowResizableAttribute | kWindowLiveResizeAttribute; |
| } else { |
| w->size_range(w->w(), w->h(), w->w(), w->h()); |
| } |
| } |
| int xwm = xp, ywm = yp, bt, bx, by; |
| |
| if (!fake_X_wm(w, xwm, ywm, bt, bx, by)) { |
| // menu windows and tooltips |
| if (w->modal()||w->override()) { |
| winclass = kHelpWindowClass; |
| winattr = 0; |
| } else { |
| winattr = 512; // kWindowNoTitleBarAttribute; |
| } |
| } else if (w->modal()) { |
| winclass = kMovableModalWindowClass; |
| } |
| |
| if (by+bt) { |
| wp += 2*bx; |
| hp += 2*by+bt; |
| } |
| if (!(w->flags() & Fl_Widget::FORCE_POSITION)) { |
| // use the Carbon functions below for default window positioning |
| w->x(xyPos+Fl::x()); |
| w->y(xyPos+Fl::y()); |
| xyPos += 25; |
| if (xyPos>200) xyPos = 100; |
| } else { |
| if (!Fl::grab()) { |
| xp = xwm; yp = ywm; |
| w->x(xp);w->y(yp); |
| } |
| xp -= bx; |
| yp -= by+bt; |
| } |
| |
| if (w->non_modal() && Fl_X::first && !fl_disable_transient_for) { |
| // find some other window to be "transient for": |
| Fl_Window* w = Fl_X::first->w; |
| while (w->parent()) w = w->window(); // todo: this code does not make any sense! (w!=w??) |
| } |
| |
| Rect wRect; |
| wRect.top = w->y(); |
| wRect.left = w->x(); |
| wRect.bottom = w->y() + w->h(); if (wRect.bottom<=wRect.top) wRect.bottom = wRect.top+1; |
| wRect.right = w->x() + w->w(); if (wRect.right<=wRect.left) wRect.right = wRect.left+1; |
| |
| const char *name = w->label(); |
| |
| Fl_X* x = new Fl_X; |
| x->other_xid = 0; // room for doublebuffering image map. On OS X this is only used by overlay windows |
| x->region = 0; |
| x->subRegion = 0; |
| x->cursor = fl_default_cursor; |
| x->xidChildren = 0; |
| x->xidNext = 0; |
| x->gc = 0; |
| |
| winattr &= GetAvailableWindowAttributes( winclass ); // make sure that the window will open |
| CreateNewWindow( winclass, winattr, &wRect, &(x->xid) ); |
| q_set_window_title(x->xid, name); |
| MoveWindow(x->xid, wRect.left, wRect.top, 1); // avoid Carbon Bug on old OS |
| if (w->non_modal() && !w->modal()) { |
| // Major kludge: this is to have the regular look, but stay above the document windows |
| SetWindowClass(x->xid, kFloatingWindowClass); |
| SetWindowActivationScope(x->xid, kWindowActivationScopeAll); |
| } |
| if (!(w->flags() & Fl_Widget::FORCE_POSITION)) |
| { |
| WindowRef pw = Fl_X::first ? Fl_X::first->xid : 0 ; |
| if (w->modal()) { |
| RepositionWindow(x->xid, pw, kWindowAlertPositionOnParentWindowScreen); |
| } else if (w->non_modal()) { |
| RepositionWindow(x->xid, pw, kWindowCenterOnParentWindowScreen); |
| } else { |
| RepositionWindow(x->xid, pw, kWindowCascadeOnParentWindowScreen); |
| } |
| } |
| x->w = w; w->i = x; |
| x->wait_for_expose = 1; |
| x->next = Fl_X::first; |
| Fl_X::first = x; |
| { // Install Carbon Event handlers |
| OSStatus ret; |
| EventHandlerUPP mousewheelHandler = NewEventHandlerUPP( carbonMousewheelHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec mousewheelEvents[] = { |
| { kEventClassMouse, kEventMouseWheelMoved } }; |
| ret = InstallWindowEventHandler( x->xid, mousewheelHandler, |
| (int)(sizeof(mousewheelEvents)/sizeof(mousewheelEvents[0])), |
| mousewheelEvents, w, 0L ); |
| EventHandlerUPP mouseHandler = NewEventHandlerUPP( carbonMouseHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec mouseEvents[] = { |
| { kEventClassMouse, kEventMouseDown }, |
| { kEventClassMouse, kEventMouseUp }, |
| { kEventClassMouse, kEventMouseMoved }, |
| { kEventClassMouse, kEventMouseDragged } }; |
| ret = InstallWindowEventHandler( x->xid, mouseHandler, 4, mouseEvents, w, 0L ); |
| |
| EventHandlerUPP keyboardHandler = NewEventHandlerUPP( carbonKeyboardHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec keyboardEvents[] = { |
| { kEventClassKeyboard, kEventRawKeyDown }, |
| { kEventClassKeyboard, kEventRawKeyRepeat }, |
| { kEventClassKeyboard, kEventRawKeyUp }, |
| { kEventClassKeyboard, kEventRawKeyModifiersChanged } }; |
| ret = InstallWindowEventHandler( x->xid, keyboardHandler, 4, keyboardEvents, w, 0L ); |
| |
| EventHandlerUPP textHandler = NewEventHandlerUPP( carbonTextHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec textEvents[] = { |
| { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } }; |
| ret = InstallWindowEventHandler( x->xid, textHandler, 1, textEvents, w, 0L ); |
| |
| EventHandlerUPP windowHandler = NewEventHandlerUPP( carbonWindowHandler ); // will not be disposed by Carbon... |
| static EventTypeSpec windowEvents[] = { |
| { kEventClassWindow, kEventWindowDrawContent }, |
| { kEventClassWindow, kEventWindowShown }, |
| { kEventClassWindow, kEventWindowHidden }, |
| { kEventClassWindow, kEventWindowActivated }, |
| { kEventClassWindow, kEventWindowDeactivated }, |
| { kEventClassWindow, kEventWindowClose }, |
| { kEventClassWindow, kEventWindowCollapsed }, |
| { kEventClassWindow, kEventWindowExpanded }, |
| { kEventClassWindow, kEventWindowBoundsChanging }, |
| { kEventClassWindow, kEventWindowBoundsChanged } }; |
| ret = InstallWindowEventHandler( x->xid, windowHandler, 10, windowEvents, w, 0L ); |
| ret = InstallTrackingHandler( dndTrackingHandler, x->xid, w ); |
| ret = InstallReceiveHandler( dndReceiveHandler, x->xid, w ); |
| } |
| |
| if ( ! Fl_X::first->next ) // if this is the first window, we need to bring the application to the front |
| { |
| ProcessSerialNumber psn; |
| OSErr err = GetCurrentProcess( &psn ); |
| if ( err==noErr ) SetFrontProcess( &psn ); |
| } |
| |
| if (w->size_range_set) w->size_range_(); |
| |
| if (winclass != kHelpWindowClass) { |
| Fl_Tooltip::enter(0); |
| } |
| if (w->size_range_set) w->size_range_(); |
| ShowWindow(x->xid); |
| if (fl_show_iconic) { |
| fl_show_iconic = 0; |
| CollapseWindow( x->xid, true ); // \todo Mac ; untested |
| } else { |
| w->set_visible(); |
| } |
| |
| Rect rect; |
| GetWindowBounds(x->xid, kWindowContentRgn, &rect); |
| w->x(rect.left); w->y(rect.top); |
| w->w(rect.right-rect.left); w->h(rect.bottom-rect.top); |
| |
| int old_event = Fl::e_number; |
| w->handle(Fl::e_number = FL_SHOW); |
| Fl::e_number = old_event; |
| w->redraw(); // force draw to happen |
| |
| if (w->modal()) { Fl::modal_ = w; fl_fix_focus(); } |
| } |
| } |
| |
| |
| /** |
| * Tell the OS what window sizes we want to allow |
| */ |
| void Fl_Window::size_range_() { |
| size_range_set = 1; |
| HISize minSize = { minw, minh }; |
| HISize maxSize = { maxw?maxw:32000, maxh?maxh:32000 }; |
| if (i && i->xid) |
| SetWindowResizeLimits(i->xid, &minSize, &maxSize); |
| } |
| |
| |
| /** |
| * returns pointer to the filename, or null if name ends with ':' |
| */ |
| const char *fl_filename_name( const char *name ) |
| { |
| const char *p, *q; |
| if (!name) return (0); |
| for ( p = q = name ; *p ; ) |
| { |
| if ( ( p[0] == ':' ) && ( p[1] == ':' ) ) |
| { |
| q = p+2; |
| p++; |
| } |
| else if (p[0] == '/') |
| q = p + 1; |
| p++; |
| } |
| return q; |
| } |
| |
| |
| /** |
| * set the window title bar |
| * \todo make the titlebar icon work! |
| */ |
| void Fl_Window::label(const char *name,const char */*iname*/) { |
| Fl_Widget::label(name); |
| |
| if (shown() || i) { |
| q_set_window_title(fl_xid(this), name); |
| } |
| } |
| |
| |
| /** |
| * make a window visible |
| */ |
| void Fl_Window::show() { |
| image(Fl::scheme_bg_); |
| if (Fl::scheme_bg_) { |
| labeltype(FL_NORMAL_LABEL); |
| align(FL_ALIGN_CENTER | FL_ALIGN_INSIDE | FL_ALIGN_CLIP); |
| } else { |
| labeltype(FL_NO_LABEL); |
| } |
| Fl_Tooltip::exit(this); |
| if (!shown() || !i) { |
| Fl_X::make(this); |
| } else { |
| if ( !parent() ) |
| { |
| if ( IsWindowCollapsed( i->xid ) ) CollapseWindow( i->xid, false ); |
| if (!fl_capture) { |
| BringToFront(i->xid); |
| SelectWindow(i->xid); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * resize a window |
| */ |
| void Fl_Window::resize(int X,int Y,int W,int H) { |
| if (W<=0) W = 1; // OS X does not like zero width windows |
| if (H<=0) H = 1; |
| int is_a_resize = (W != w() || H != h()); |
| // printf("Fl_Winodw::resize(X=%d, Y=%d, W=%d, H=%d), is_a_resize=%d, resize_from_system=%p, this=%p\n", |
| // X, Y, W, H, is_a_resize, resize_from_system, this); |
| if (X != x() || Y != y()) set_flag(FORCE_POSITION); |
| else if (!is_a_resize) return; |
| if ( (resize_from_system!=this) && (!parent()) && shown()) { |
| if (is_a_resize) { |
| if (resizable()) { |
| if (W<minw) minw = W; // user request for resize takes priority |
| if (W>maxw) maxw = W; // over a previously set size_range |
| if (H<minh) minh = H; |
| if (H>maxh) maxh = H; |
| size_range(minw, minh, maxw, maxh); |
| } else { |
| size_range(W, H, W, H); |
| } |
| Rect dim; dim.left=X; dim.top=Y; dim.right=X+W; dim.bottom=Y+H; |
| SetWindowBounds(i->xid, kWindowContentRgn, &dim); |
| Rect all; all.top=-32000; all.bottom=32000; all.left=-32000; all.right=32000; |
| InvalWindowRect( i->xid, &all ); |
| } else { |
| MoveWindow(i->xid, X, Y, 0); |
| } |
| } |
| resize_from_system = 0; |
| if (is_a_resize) { |
| Fl_Group::resize(X,Y,W,H); |
| if (shown()) { |
| redraw(); |
| } |
| } else { |
| x(X); y(Y); |
| } |
| } |
| |
| |
| /** |
| * make all drawing go into this window (called by subclass flush() impl.) |
| */ |
| void Fl_Window::make_current() |
| { |
| OSStatus err; |
| Fl_X::q_release_context(); |
| if ( !fl_window_region ) |
| fl_window_region = NewRgn(); |
| fl_window = i->xid; |
| current_ = this; |
| |
| SetPort( GetWindowPort(i->xid) ); // \todo check for the handling of doublebuffered windows |
| |
| int xp = 0, yp = 0; |
| Fl_Window *win = this; |
| while ( win ) |
| { |
| if ( !win->window() ) |
| break; |
| xp += win->x(); |
| yp += win->y(); |
| win = (Fl_Window*)win->window(); |
| } |
| SetOrigin( -xp, -yp ); |
| |
| SetRectRgn( fl_window_region, 0, 0, w(), h() ); |
| |
| // \todo for performance reasons: we don't have to create this unless the child windows moved |
| for ( Fl_X *cx = i->xidChildren; cx; cx = cx->xidNext ) |
| { |
| Fl_Window *cw = cx->w; |
| if (!cw->visible_r()) continue; |
| Fl_Region r = NewRgn(); |
| SetRectRgn( r, cw->x() - xp, cw->y() - yp, |
| cw->x() + cw->w() - xp, cw->y() + cw->h() - yp ); |
| DiffRgn( fl_window_region, r, fl_window_region ); |
| DisposeRgn( r ); |
| } |
| |
| err = QDBeginCGContext(GetWindowPort(i->xid), &i->gc); |
| if (err!=noErr) |
| fprintf(stderr, "Error %d in QDBeginCGContext\n", (int)err); |
| fl_gc = i->gc; |
| CGContextSaveGState(fl_gc); |
| Fl_X::q_fill_context(); |
| #if defined(USE_CAIRO) |
| if (Fl::cairo_autolink_context()) Fl::cairo_make_current(this); // capture gc changes automatically to update the cairo context adequately |
| #endif |
| |
| fl_clip_region( 0 ); |
| SetPortClipRegion( GetWindowPort(i->xid), fl_window_region ); |
| |
| #if defined(USE_CAIRO) |
| // update the cairo_t context |
| if (Fl::cairo_autolink_context()) Fl::cairo_make_current(this); |
| #endif |
| } |
| |
| // helper function to manage the current CGContext fl_gc |
| extern Fl_Color fl_color_; |
| extern class Fl_Font_Descriptor *fl_fontsize; |
| extern void fl_font(class Fl_Font_Descriptor*); |
| extern void fl_quartz_restore_line_style_(); |
| |
| // FLTK has only one global graphics state. This function copies the FLTK state into the |
| // current Quartz context |
| void Fl_X::q_fill_context() { |
| if (!fl_gc) return; |
| int hgt = 0; |
| if (fl_window) { |
| Rect portRect; |
| GetPortBounds(GetWindowPort( fl_window ), &portRect); |
| hgt = portRect.bottom-portRect.top; |
| } else { |
| hgt = CGBitmapContextGetHeight(fl_gc); |
| } |
| CGContextTranslateCTM(fl_gc, 0.5, hgt-0.5f); |
| CGContextScaleCTM(fl_gc, 1.0f, -1.0f); |
| fl_font(fl_fontsize); |
| fl_color(fl_color_); |
| fl_quartz_restore_line_style_(); |
| } |
| |
| // The only way to reset clipping to its original state is to pop the current graphics |
| // state and restore the global state. |
| void Fl_X::q_clear_clipping() { |
| if (!fl_gc) return; |
| CGContextRestoreGState(fl_gc); |
| CGContextSaveGState(fl_gc); |
| } |
| |
| // Give the Quartz context back to the system |
| void Fl_X::q_release_context(Fl_X *x) { |
| if (x && x->gc!=fl_gc) return; |
| if (!fl_gc) return; |
| CGContextRestoreGState(fl_gc); |
| if (fl_window) { |
| OSStatus err = QDEndCGContext(GetWindowPort(fl_window), &fl_gc); |
| if (err!=noErr) |
| fprintf(stderr, "Error %d in QDEndCGContext\n", (int)err); |
| } |
| fl_gc = 0; |
| #if defined(USE_CAIRO) |
| if (Fl::cairo_autolink_context()) Fl::cairo_make_current((Fl_Window*) 0); // capture gc changes automatically to update the cairo context adequately |
| #endif |
| } |
| |
| void Fl_X::q_begin_image(CGRect &rect, int cx, int cy, int w, int h) { |
| CGContextSaveGState(fl_gc); |
| CGAffineTransform mx = CGContextGetCTM(fl_gc); |
| CGRect r2 = rect; |
| r2.origin.x -= 0.5f; |
| r2.origin.y -= 0.5f; |
| CGContextClipToRect(fl_gc, r2); |
| mx.d = -1.0; mx.tx = -mx.tx; |
| CGContextConcatCTM(fl_gc, mx); |
| rect.origin.x = -(mx.tx+0.5f) + rect.origin.x - cx; |
| rect.origin.y = (mx.ty+0.5f) - rect.origin.y - h + cy; |
| rect.size.width = w; |
| rect.size.height = h; |
| } |
| |
| void Fl_X::q_end_image() { |
| CGContextRestoreGState(fl_gc); |
| } |
| |
| //////////////////////////////////////////////////////////////// |
| // Copy & Paste fltk implementation. |
| //////////////////////////////////////////////////////////////// |
| |
| // fltk 1.3 clipboard support constant definitions: |
| const CFStringRef flavorNames[] = { |
| CFSTR("public.utf16-plain-text"), |
| CFSTR("public.utf8-plain-text"), |
| CFSTR("com.apple.traditional-mac-plain-text") }; |
| const CFStringEncoding encodings[] = { |
| kCFStringEncodingUTF16, |
| kCFStringEncodingUTF8, |
| kCFStringEncodingMacRoman}; |
| const size_t handledFlavorsCount = sizeof(encodings)/sizeof(CFStringEncoding); |
| |
| // clipboard variables definitions : |
| Fl_Widget *fl_selection_requestor = 0; |
| char *fl_selection_buffer[2]; |
| int fl_selection_length[2]; |
| static int fl_selection_buffer_length[2]; |
| |
| #ifdef USE_PASTEBOARD |
| static PasteboardRef myPasteboard = 0; |
| static void allocatePasteboard() { |
| if (!myPasteboard) |
| PasteboardCreate(kPasteboardClipboard, &myPasteboard); |
| } |
| #else |
| #endif |
| |
| #ifndef USE_PASTEBOARD |
| static ScrapRef myScrap = 0; |
| #endif |
| |
| /** |
| * create a selection |
| * owner: widget that created the selection |
| * stuff: pointer to selected data |
| * size of selected data |
| */ |
| void Fl::copy(const char *stuff, int len, int clipboard) { |
| if (!stuff || len<0) return; |
| if (len+1 > fl_selection_buffer_length[clipboard]) { |
| delete[] fl_selection_buffer[clipboard]; |
| fl_selection_buffer[clipboard] = new char[len+100]; |
| fl_selection_buffer_length[clipboard] = len+100; |
| } |
| memcpy(fl_selection_buffer[clipboard], stuff, len); |
| fl_selection_buffer[clipboard][len] = 0; // needed for direct paste |
| fl_selection_length[clipboard] = len; |
| if (clipboard) { |
| #ifdef USE_PASTEBOARD |
| // FIXME no error checking done yet! |
| allocatePasteboard(); |
| OSStatus err = PasteboardClear(myPasteboard); |
| if (err!=noErr) return; // clear did not work, maybe not owner of clipboard. |
| PasteboardSynchronize(myPasteboard); |
| CFDataRef text = CFDataCreate(kCFAllocatorDefault, (UInt8*)fl_selection_buffer[1], len); |
| if (text==NULL) return; // there was a pb creating the object, abort. |
| err=PasteboardPutItemFlavor(myPasteboard, (PasteboardItemID)1, CFSTR("public.utf8-plain-text"), text, 0); |
| CFRelease(text); |
| #else |
| OSStatus err = ClearCurrentScrap(); // whatever happens we should clear the current scrap. |
| if(err!=noErr) {myScrap=0; return;} // don't get current scrap if a prev err occured. |
| err = GetCurrentScrap( &myScrap ); |
| if ( err != noErr ) { |
| myScrap = 0; |
| return; |
| } |
| // Previous version changed \n to \r before sending the text, but I would |
| // prefer to leave the local buffer alone, so a copied buffer may be |
| // needed. Check to see if this is necessary on OS/X. |
| PutScrapFlavor( myScrap, kScrapFlavorTypeText, 0, |
| len, fl_selection_buffer[1] ); |
| #endif |
| } |
| } |
| |
| // Call this when a "paste" operation happens: |
| void Fl::paste(Fl_Widget &receiver, int clipboard) { |
| if (clipboard) { |
| // see if we own the selection, if not go get it: |
| fl_selection_length[1] = 0; |
| #ifdef USE_PASTEBOARD |
| OSStatus err = noErr; |
| Boolean found = false; |
| CFDataRef flavorData = NULL; |
| CFStringEncoding encoding = 0; |
| |
| allocatePasteboard(); |
| PasteboardSynchronize(myPasteboard); |
| ItemCount nFlavor = 0, i, j; |
| err = PasteboardGetItemCount(myPasteboard, &nFlavor); |
| if (err==noErr) { |
| for (i=1; i<=nFlavor; i++) { |
| PasteboardItemID itemID = 0; |
| CFArrayRef flavorTypeArray = NULL; |
| found = false; |
| err = PasteboardGetItemIdentifier(myPasteboard, i, &itemID); |
| if (err!=noErr) continue; |
| err = PasteboardCopyItemFlavors(myPasteboard, itemID, &flavorTypeArray); |
| if (err!=noErr) { |
| if (flavorTypeArray) {CFRelease(flavorTypeArray); flavorTypeArray = NULL;} |
| continue; |
| } |
| CFIndex flavorCount = CFArrayGetCount(flavorTypeArray); |
| for (j = 0; j < handledFlavorsCount; j++) { |
| for (CFIndex flavorIndex=0; flavorIndex<flavorCount; flavorIndex++) { |
| CFStringRef flavorType = (CFStringRef)CFArrayGetValueAtIndex(flavorTypeArray, flavorIndex); |
| if (UTTypeConformsTo(flavorType, flavorNames[j])) { |
| err = PasteboardCopyItemFlavorData( myPasteboard, itemID, flavorNames[j], &flavorData ); |
| if(err != noErr) continue; |
| encoding = encodings[j]; |
| found = true; |
| break; |
| } |
| } |
| if(found) break; |
| } |
| if (flavorTypeArray) {CFRelease(flavorTypeArray); flavorTypeArray = NULL;} |
| if (found) break; |
| } |
| if(found) { |
| CFIndex len = CFDataGetLength(flavorData); |
| CFStringRef mycfs = CFStringCreateWithBytes(NULL, CFDataGetBytePtr(flavorData), len, encoding, false); |
| CFRelease(flavorData); |
| len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(mycfs), kCFStringEncodingUTF8) + 1; |
| if ( len >= fl_selection_buffer_length[1] ) { |
| fl_selection_buffer_length[1] = len; |
| delete[] fl_selection_buffer[1]; |
| fl_selection_buffer[1] = new char[len]; |
| } |
| CFStringGetCString(mycfs, fl_selection_buffer[1], len, kCFStringEncodingUTF8); |
| CFRelease(mycfs); |
| len = strlen(fl_selection_buffer[1]); |
| fl_selection_length[1] = len; |
| convert_crlf(fl_selection_buffer[1],len); // turn all \r characters into \n: |
| } |
| } |
| #else |
| ScrapRef scrap = 0; |
| if (GetCurrentScrap(&scrap) == noErr && scrap != myScrap && |
| GetScrapFlavorSize(scrap, kScrapFlavorTypeText, &len) == noErr) { |
| if ( len >= fl_selection_buffer_length[1] ) { |
| fl_selection_buffer_length[1] = len + 32; |
| delete[] fl_selection_buffer[1]; |
| fl_selection_buffer[1] = new char[len + 32]; |
| } |
| fl_selection_length[1] = len; len++; |
| GetScrapFlavorData( scrap, kScrapFlavorTypeText, &len, |
| fl_selection_buffer[1] ); |
| fl_selection_buffer[1][fl_selection_length[1]] = 0; |
| convert_crlf(fl_selection_buffer[1],len); |
| } |
| #endif |
| } |
| Fl::e_text = fl_selection_buffer[clipboard]; |
| Fl::e_length = fl_selection_length[clipboard]; |
| if (!Fl::e_text) Fl::e_text = (char *)""; |
| receiver.handle(FL_PASTE); |
| } |
| |
| void Fl::add_timeout(double time, Fl_Timeout_Handler cb, void* data) |
| { |
| // check, if this timer slot exists already |
| for (int i = 0; i < mac_timer_used; ++i) { |
| MacTimeout& t = mac_timers[i]; |
| // if so, simply change the fire interval |
| if (t.callback == cb && t.data == data) { |
| SetEventLoopTimerNextFireTime(t.timer, (EventTimerInterval)time); |
| t.pending = 1; |
| return; |
| } |
| } |
| // no existing timer to use. Create a new one: |
| int timer_id = -1; |
| // find an empty slot in the timer array |
| for (int i = 0; i < mac_timer_used; ++i) { |
| if ( !mac_timers[i].timer ) { |
| timer_id = i; |
| break; |
| } |
| } |
| // if there was no empty slot, append a new timer |
| if (timer_id == -1) { |
| // make space if needed |
| if (mac_timer_used == mac_timer_alloc) { |
| realloc_timers(); |
| } |
| timer_id = mac_timer_used++; |
| } |
| // now install a brand new timer |
| MacTimeout& t = mac_timers[timer_id]; |
| EventTimerInterval fireDelay = (EventTimerInterval)time; |
| EventLoopTimerUPP timerUPP = NewEventLoopTimerUPP(do_timer); |
| EventLoopTimerRef timerRef = 0; |
| OSStatus err = InstallEventLoopTimer(GetMainEventLoop(), fireDelay, 0, timerUPP, data, &timerRef); |
| if (err == noErr) { |
| t.callback = cb; |
| t.data = data; |
| t.timer = timerRef; |
| t.upp = timerUPP; |
| t.pending = 1; |
| } else { |
| if (timerRef) |
| RemoveEventLoopTimer(timerRef); |
| if (timerUPP) |
| DisposeEventLoopTimerUPP(timerUPP); |
| } |
| } |
| |
| void Fl::repeat_timeout(double time, Fl_Timeout_Handler cb, void* data) |
| { |
| // currently, repeat_timeout does not subtract the trigger time of the previous timer event as it should. |
| add_timeout(time, cb, data); |
| } |
| |
| int Fl::has_timeout(Fl_Timeout_Handler cb, void* data) |
| { |
| for (int i = 0; i < mac_timer_used; ++i) { |
| MacTimeout& t = mac_timers[i]; |
| if (t.callback == cb && t.data == data && t.pending) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| void Fl::remove_timeout(Fl_Timeout_Handler cb, void* data) |
| { |
| for (int i = 0; i < mac_timer_used; ++i) { |
| MacTimeout& t = mac_timers[i]; |
| if (t.callback == cb && ( t.data == data || data == NULL)) { |
| delete_timer(t); |
| } |
| } |
| } |
| |
| int MacUnlinkWindow(Fl_X *ip, Fl_X *start) { |
| if (!ip) return 0; |
| if (start) { |
| Fl_X *pc = start; |
| while (pc) { |
| if (pc->xidNext == ip) { |
| pc->xidNext = ip->xidNext; |
| return 1; |
| } |
| if (pc->xidChildren) { |
| if (pc->xidChildren == ip) { |
| pc->xidChildren = ip->xidNext; |
| return 1; |
| } |
| if (MacUnlinkWindow(ip, pc->xidChildren)) |
| return 1; |
| } |
| pc = pc->xidNext; |
| } |
| } else { |
| for ( Fl_X *pc = Fl_X::first; pc; pc = pc->next ) { |
| if (MacUnlinkWindow(ip, pc)) |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static void MacRelinkWindow(Fl_X *x, Fl_X *p) { |
| if (!x || !p) return; |
| // first, check if 'x' is already registered as a child of 'p' |
| for (Fl_X *i = p->xidChildren; i; i=i->xidNext) { |
| if (i == x) return; |
| } |
| // now add 'x' as the first child of 'p' |
| x->xidNext = p->xidChildren; |
| p->xidChildren = x; |
| } |
| |
| void MacDestroyWindow(Fl_Window *w, WindowPtr p) { |
| MacUnmapWindow(w, p); |
| if (w && !w->parent() && p) |
| DisposeWindow(p); |
| } |
| |
| void MacMapWindow(Fl_Window *w, WindowPtr p) { |
| if (w && p) |
| ShowWindow(p); |
| //+ link to window list |
| if (w && w->parent()) { |
| MacRelinkWindow(Fl_X::i(w), Fl_X::i(w->window())); |
| w->redraw(); |
| } |
| } |
| |
| void MacUnmapWindow(Fl_Window *w, WindowPtr p) { |
| if (w && !w->parent() && p) |
| HideWindow(p); |
| if (w && Fl_X::i(w)) |
| MacUnlinkWindow(Fl_X::i(w)); |
| } |
| #endif // FL_DOXYGEN |
| |
| // |
| // End of "$Id: Fl_mac.cxx 7913 2010-11-29 18:18:27Z greg.ercolano $". |
| // |