Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/Fl_mac.cxx b/common/fltk/src/Fl_mac.cxx
new file mode 100644
index 0000000..38c0f21
--- /dev/null
+++ b/common/fltk/src/Fl_mac.cxx
@@ -0,0 +1,2870 @@
+//
+// "$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 $".
+//