fltk/src/Fl_mac.cxx
Fabien Costantini a85a33aa87 Core lib:
Cleaned up 3 unused variables warnings in Fl_mac.cxx.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6608 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2008-12-28 11:32:54 +00:00

2761 lines
83 KiB
C++

//
// "$Id$"
//
// MacOS specific code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2007 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 unction 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 );
// 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_Num_Lock,
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:
GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &cmd );
ret = HandleMenu( &cmd );
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, &currentBounds );
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, &currentBounds );
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(&currentLayout);
if (currentLayout) {
KLGetKeyboardLayoutProperty(currentLayout, kKLIdentifier, (const void**)&currentLayoutId);
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;
/**
* 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;
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 );
}
/* 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
if ( isalpha(key) )
sym = tolower(key);
else if ( Fl::e_state&FL_CTRL && key<32 )
sym = key+96;
else if ( Fl::e_state&FL_ALT ) // find the keycap of this key
sym = keycode_to_sym( keyCode & 0x7f, 0, macKeyLookUp[ keyCode & 0x7f ] );
else
sym = macKeyLookUp[ keyCode & 0x7f ];
Fl::e_keysym = Fl::e_original_keysym = sym;
// Handle FL_KP_Enter on regular keyboards and on Powerbooks
if ( keyCode==0x4c || keyCode==0x34) key=0x0d;
// 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);
}
// imm: keycode handler stub setting - use Gestalt to determine the running system version,
// then set the keycode_function pointer accordingly
SInt32 MacVersion;
if (Gestalt(gestaltSystemVersion, &MacVersion) == noErr)
{
// SInt32 maj, min, fix;
// Gestalt(gestaltSystemVersionMajor, &maj); // e.g. 10
// Gestalt(gestaltSystemVersionMinor, &min); // e.g. 4
// Gestalt(gestaltSystemVersionBugFix, &fix); // e.g. 11
if(MacVersion >= 0x1050) { // 10.5.0 or later
keycode_function = keycodeToUnicode;
}
else {
keycode_function = keycode_wrap_old; // pre-10.5 mechanism
}
}
// else our default handler will be used (keycode_wrap_old)
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 );
}
}
}
}
}
/**
* 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 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, 'TEXT', &flags );
if ( ret == noErr )
{
GetFlavorDataSize( dragRef, itemRef, 'TEXT', &itemSize );
size += itemSize;
}
ret = GetFlavorFlags( dragRef, itemRef, 'hfs ', &flags );
if ( ret == noErr )
{
size += 1024; //++ ouch! We should create the full pathname and figure out its length
}
}
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, '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
}
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 );
dst += itemSize;
if ( itemSize>1 && ( hfs.fileType=='fold' || hfs.fileType=='disk' ) )
*dst++ = '/';
*dst++ = '\n'; // add our element separator
}
}
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_Window::FL_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_Window::FL_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 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(FL_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()
{
#ifdef __APPLE_QUARTZ__
OSStatus err;
Fl_X::q_release_context();
#endif
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 );
}
#ifdef __APPLE_QUARTZ__
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) && defined (__APPLE_QUARTZ__)
if (Fl::cairo_autolink_context()) Fl::cairo_make_current(this); // capture gc changes automatically to update the cairo context adequately
#endif
#endif
fl_clip_region( 0 );
SetPortClipRegion( GetWindowPort(i->xid), fl_window_region );
#if defined(__APPLE_QUARTZ__) && 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
#ifdef __APPLE_QUARTZ__
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) && defined (__APPLE_QUARTZ__)
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);
}
#endif
////////////////////////////////////////////////////////////////
// Cut & paste.
Fl_Widget *fl_selection_requestor = 0;
char *fl_selection_buffer[2];
int fl_selection_length[2];
int fl_selection_buffer_length[2];
#ifdef USE_PASTEBOARD
static PasteboardRef myPasteboard = 0;
static void allocatePasteboard() {
if (!myPasteboard)
PasteboardCreate(kPasteboardClipboard, &myPasteboard);
}
#else
#endif
// not used yet: static ScrapRef myScrap = 0;
/**
* 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();
PasteboardClear(myPasteboard);
PasteboardSynchronize(myPasteboard);
CFDataRef text = CFDataCreate(kCFAllocatorDefault, (UInt8*)fl_selection_buffer[1], len);
PasteboardPutItemFlavor(myPasteboard, (PasteboardItemID)1, CFSTR("public.utf8-plain-text"), text, 0);
#else
ClearCurrentScrap();
OSStatus ret = GetCurrentScrap( &myScrap );
if ( ret != 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:
//Size len = 0;
#ifdef USE_PASTEBOARD
// FIXME no error checking done yet!
OSStatus err = noErr;
allocatePasteboard();
PasteboardSynchronize(myPasteboard);
ItemCount nFlavor = 0, i;
err = PasteboardGetItemCount(myPasteboard, &nFlavor);
for (i=1; i<=nFlavor; i++) {
PasteboardItemID itemID;
CFArrayRef flavorTypeArray;
CFIndex flavorCount;
err = PasteboardGetItemIdentifier(myPasteboard, i, &itemID);
err = PasteboardCopyItemFlavors(myPasteboard, itemID, &flavorTypeArray);
flavorCount = CFArrayGetCount(flavorTypeArray);
for (CFIndex flavorIndex=0; flavorIndex<flavorCount; flavorIndex++) {
CFStringRef flavorType;
CFDataRef flavorData;
CFIndex len;
flavorType = (CFStringRef)CFArrayGetValueAtIndex(flavorTypeArray, flavorIndex);
if (UTTypeConformsTo(flavorType, CFSTR("public.utf8-plain-text"))) {
err = PasteboardCopyItemFlavorData( myPasteboard, itemID, CFSTR("public.utf8-plain-text"), &flavorData );
len = CFDataGetLength(flavorData);
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++;
char *data = (char*)CFDataGetBytePtr(flavorData);
memcpy(fl_selection_buffer[1], data, len);
CFRelease (flavorData);
i = nFlavor+1;
break;
}
}
CFRelease (flavorTypeArray);
}
#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;
// turn all \r characters into \n:
for (int x = 0; x < len; x++) {
if (fl_selection_buffer[1][x] == '\r')
fl_selection_buffer[1][x] = '\n';
}
}
#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);
return;
}
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 "$Id$".
//