fltk/src/Fl_mac.cxx

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//
// "$Id: Fl_mac.cxx,v 1.1.2.22 2002/04/16 15:49:06 easysw Exp $"
//
// MacOS specific code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2002 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 to "fltk-bugs@fltk.org".
//
//// 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.
// 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.
#define CONSOLIDATE_MOTION 0
#include <config.h>
#include <FL/Fl.H>
#include <FL/x.H>
#include <FL/Fl_Tooltip.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Sys_Menu_Bar.H>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include "flstring.h"
#include <unistd.h>
// 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);
// public variables
int fl_screen;
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 unsigned short macKeyLookUp[];
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 };
// these pointers are set by the Fl::lock() function:
static void nothing() {}
void (*fl_lock_function)() = nothing;
void (*fl_unlock_function)() = nothing;
/**
* \todo This funtion is not yet implemented!
*/
void Fl::add_fd( int n, int events, void (*cb)(int, void*), void *v )
{
#pragma unused ( n )
#pragma unused ( events )
#pragma unused ( cb )
#pragma unused ( v )
}
/**
* \todo This funtion is not yet implemented!
*/
void Fl::add_fd(int fd, void (*cb)(int, void*), void* v)
{
#pragma unused ( fd )
#pragma unused ( cb )
#pragma unused ( v )
}
/**
* \todo This funtion is not yet implemented!
*/
void Fl::remove_fd(int n, int events)
{
#pragma unused ( n )
#pragma unused ( events )
}
/**
* \todo This funtion is not yet implemented!
*/
void Fl::remove_fd(int n)
{
remove_fd(n, -1);
}
/**
* \todo check if there is actually a message pending!
*/
int fl_ready()
{
return 1;
}
/**
* 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;
fl_lock_function();
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 ) );
break;
}
break;
case kEventClassFLTK:
switch ( GetEventKind( event ) )
{
case kEventFLTKBreakLoop:
ret = noErr;
break;
}
}
if ( ret == eventNotHandledErr )
ret = CallNextEventHandler( nextHandler, event ); // let the OS handle the activation, but continue to get a click-through effect
QuitApplicationEventLoop();
fl_unlock_function();
return ret;
}
/**
* this callback simply quits the main event loop handler, so FLTK can do its magic
*/
static void timerProcCB( EventLoopTimerRef, void* )
{
fl_lock_function();
QuitApplicationEventLoop();
fl_unlock_function();
}
/**
* 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();
}
/**
* This function iss 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 = 0;
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 = 1;
}
OSStatus ret;
static EventTargetRef target = 0;
static EventLoopTimerRef timer = 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, kEventMouseWheelMoved },
{ kEventClassMouse, kEventMouseDragged },
{ kEventClassFLTK, kEventFLTKBreakLoop } };
ret = InstallEventHandler( target, dispatchHandler, 15, dispatchEvents, 0, 0L );
ret = InstallEventLoopTimer( GetMainEventLoop(), 0, 0, NewEventLoopTimerUPP( timerProcCB ), 0, &timer );
}
if ( time > 0.0 )
{
fl_unlock_function();
SetEventLoopTimerNextFireTime( timer, time );
RunApplicationEventLoop(); // will return after the previously set time
fl_lock_function();
}
else
{
EventRef breakEvent;
CreateEvent( 0, kEventClassFLTK, kEventFLTKBreakLoop, 0, kEventAttributeUserEvent, &breakEvent );
PostEventToQueue( GetCurrentEventQueue(), breakEvent, kEventPriorityStandard );
RunApplicationEventLoop();
ReleaseEvent( breakEvent );
}
#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. It returns the same time that was given
* in the argument!
*
* \todo there is no socket handling in this code whatsoever
*/
double fl_wait( double time )
{
return do_queued_events( time );
}
/**
* 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
}
}
ExitToShell();
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;
Rect currentBounds, originalBounds;
WindowClass winClass;
static Fl_Window *activeWindow = 0;
fl_lock_function();
switch ( kind )
{
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() ) Fl::handle( FL_SHOW, window);
break;
case kEventWindowHidden:
if ( !window->parent() ) Fl::handle( FL_HIDE, window);
break;
case kEventWindowActivated:
if ( 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;
}
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 )
{
Fl_Window *window = (Fl_Window*)userData;
EventMouseWheelAxis axis;
fl_lock_function();
GetEventParameter( event, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(EventMouseWheelAxis), NULL, &axis );
long delta;
GetEventParameter( event, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(long), NULL, &delta );
if ( axis == kEventMouseWheelAxisX )
{
Fl::e_dx = delta;
if ( Fl::e_dx) Fl::handle( FL_MOUSEWHEEL, window );
}
else if ( axis == kEventMouseWheelAxisY )
{
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;
fl_lock_function();
fl_os_event = event;
Fl_Window *window = (Fl_Window*)userData;
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;
switch ( GetEventKind( event ) )
{
case kEventMouseDown:
part = FindWindow( pos, &tempXid );
if ( part != inContent ) {
fl_unlock_function();
return CallNextEventHandler( nextHandler, event ); // let the OS handle this for us
}
if ( !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;
Fl::e_clicks = clickCount-1;
// fall through
case kEventMouseUp:
if ( !window ) break;
if ( !sendEvent ) {
sendEvent = FL_RELEASE;
}
Fl::e_keysym = keysym[ btn ];
// fall through
case kEventMouseMoved:
if ( !sendEvent ) {
sendEvent = FL_MOVE; chord = 0;
}
// fall through
case kEventMouseDragged:
if ( !sendEvent ) {
sendEvent = 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 );
Fl::handle( sendEvent, window );
break;
}
fl_unlock_function();
return noErr;
}
/**
* convert the current mouse chord into the FLTK modifier state
*/
static void mods_to_e_state( UInt32 mods )
{
long state = 0;
if ( mods & kEventKeyModifierNumLockMask ) state |= FL_NUM_LOCK;
if ( mods & cmdKey ) state |= FL_CTRL;
if ( mods & (optionKey|rightOptionKey) ) state |= FL_ALT;
if ( mods & (controlKey|rightControlKey) ) state |= FL_META;
if ( mods & (shiftKey|rightShiftKey) ) state |= FL_SHIFT;
if ( mods & alphaLock ) state |= FL_CAPS_LOCK;
Fl::e_state = ( Fl::e_state & 0xff000000 ) | state;
//printf( "State 0x%08x (%04x)\n", Fl::e_state, mods );
}
/**
* convert the current mouse chord into the FLTK keysym
*/
static void mods_to_e_keysym( UInt32 mods )
{
if ( mods & cmdKey ) Fl::e_keysym = FL_Control_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_Meta_L;
else if ( mods & rightControlKey ) Fl::e_keysym = FL_Meta_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;
}
/**
* handle carbon keyboard events
*/
pascal OSStatus carbonKeyboardHandler( EventHandlerCallRef nextHandler, EventRef event, void *userData )
{
static char buffer[5];
int sendEvent = 0;
Fl_Window *window = (Fl_Window*)userData;
UInt32 mods;
static UInt32 prevMods = 0xffffffff;
fl_lock_function();
GetEventParameter( event, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &mods );
if ( prevMods == 0xffffffff ) prevMods = mods;
UInt32 keyCode;
GetEventParameter( event, kEventParamKeyCode, typeUInt32, NULL, sizeof(UInt32), NULL, &keyCode );
unsigned char key;
GetEventParameter( event, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(char), NULL, &key );
unsigned short sym;
switch ( GetEventKind( event ) )
{
case kEventRawKeyDown:
case kEventRawKeyRepeat:
sendEvent = FL_KEYBOARD;
// fall through
case kEventRawKeyUp:
if ( !sendEvent ) sendEvent = FL_KEYUP;
sym = macKeyLookUp[ keyCode & 0x7f ];
Fl::e_keysym = sym;
if ( keyCode==0x4c ) key=0x0d;
if ( ( (sym>=FL_KP) && (sym<=FL_KP_Last) ) || ((sym&0xff00)==0) || (sym==FL_Tab) ) {
buffer[0] = key;
Fl::e_length = 1;
} else {
buffer[0] = 0;
Fl::e_length = 0;
}
Fl::e_text = buffer;
// insert UnicodeHandling here!
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 );;
}
}
/**
* initialize the Mac toolboxes and set the default menubar
*/
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();
}
}
/**
* 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;
}
/**
* Mac keyboard lookup table
*/
static unsigned short macKeyLookUp[128] =
{
'a', 's', 'd', 'f', 'h', 'g', 'z', 'x',
'c', 'v', 0/*ISO extra (u-umlaut?)*/, '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, 0, FL_Escape, 0, 0,
0, 0, 0, 0, 0, 0, 0, 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_Print, FL_Scroll_Lock, 0, FL_F+10, 0, 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,
};
/**
* 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();
SetOrigin( 0, 0 );
//QDFlushPortBuffer( GetWindowPort(xid), 0 ); // \todo do we need this?
}
/**
* 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 );
}
/**
* \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;
bx = 6; // \todo Mac : GetSystemMetrics(SM_CXSIZEFRAME);
by = 6; // \todo Mac : get Mac window frame size GetSystemMetrics(SM_CYSIZEFRAME);
} else {
ret = 1;
bx = 6; // \todo Mac : GetSystemMetrics(SM_CXFIXEDFRAME);
by = 6; // \todo Mac : GetSystemMetrics(SM_CYFIXEDFRAME);
}
bt = 22; // \todo Mac : GetSystemMetrics(SM_CYCAPTION);
}
//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
//Make border's lower right corner visible
if (Fl::w() < X+W) X = Fl::w() - W;
if (Fl::h() < Y+H) Y = Fl::h() - H;
//Make border's upper left corner visible
if (X<0) X = 0;
if (Y<0) Y = 0;
//Make client area's lower right corner visible
if (Fl::w() < X+dx+ w->w()) X = Fl::w() - w->w() - dx;
if (Fl::h() < Y+dy+ w->h()) Y = Fl::h() - w->h() - dy;
//Make client area's upper left corner visible
if (X+xoff < 0) X = -xoff;
if (Y+yoff < 0) Y = -yoff;
//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);
/* keep the code below. The above function is only implemented in OS X, so we might need the other code for OS 9 and friends
short offset = 0;
if ( fs->parID != fsRtParID )
{
FSSpec parent;
OSErr ret = FSMakeFSSpec( fs->vRefNum, fs->parID, 0, &parent );
if ( ret != noErr ) return 0;
offset = FSSpec2UnixPath( &parent, dst );
}
if ( fs->parID == fsRtParID && fs->vRefNum == -100 ) //+ bad hack: we assume that volume -100 is mounted as root
{
memcpy( dst, "/", 2 );
return 1; // don't add anything to the filename - we are fine already
}
short len = fs->name[0];
if ( fs->parID == fsRtParID ) { // assume tat all other volumes are in this directory (international name WILL vary!)
memcpy( dst, "/Volumes", 8 );
offset = 8;
}
if ( offset!=1 ) dst[ offset++ ] = '/'; // avoid double '/'
memcpy( dst+offset, fs->name+1, len );
dst[ len+offset ] = 0;
return len+offset;
*/
}
Fl_Window *fl_dnd_target_window = 0;
#include <FL/fl_draw.H>
/**
* Drag'n'drop tracking handler
*/
OSErr dndTrackingHandler( DragTrackingMessage msg, WindowPtr w, void *userData, DragReference dragRef )
{
Fl_Window *target = (Fl_Window*)userData;
Point mp;
static int px, py;
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
*/
OSErr dndReceiveHandler( WindowPtr w, void *userData, DragReference dragRef )
{
Point mp;
OSErr ret;
Fl_Window *target = fl_dnd_target_window = (Fl_Window*)userData;
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;
// get the ASCII text
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 )
return userCanceledErr;
Fl::e_length = size + nItem - 1;
char *dst = Fl::e_text = (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 seperator
}
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 seperator
}
}
dst[-1] = 0;
// if ( Fl::e_text[Fl::e_length-1]==0 ) Fl::e_length--; // modify, if trailing 0 is part of string
Fl::e_length = dst - Fl::e_text - 1;
target->handle(FL_PASTE);
free( Fl::e_text );
fl_dnd_target_window = 0L;
breakMacEventLoop();
return noErr;
}
/**
* 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 = 50;
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;
Fl_Window *win = w->window();
Fl_X *xo = Fl_X::i(win);
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;
w->set_visible();
w->handle(FL_SHOW);
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 = kWindowCloseBoxAttribute
| kWindowCollapseBoxAttribute
| kWindowStandardHandlerAttribute
;
int xp = w->x();
int yp = w->y();
int wp = w->w();
int hp = w->h();
if (w->size_range_set) {
winattr |= kWindowFullZoomAttribute | kWindowResizableAttribute;
} 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))
{ winclass = kHelpWindowClass; winattr = 0; } // menu windows and tooltips
else if (w->modal())
winclass = kFloatingWindowClass; // basically fine, but not modal! The modal window however does not show
else if (w->non_modal())
winclass = kFloatingWindowClass; // we need to call 'InitFloatingWindows for OS 8, 9
if (by+bt) {
wp += 2*bx;
hp += 2*by+bt;
}
if (!(w->flags() & Fl_Window::FL_FORCE_POSITION)) {
w->x(xyPos+Fl::x()); w->y(xyPos+Fl::y()); // \todo use the Carbon function for default window positioning
xyPos += 25;
if (xyPos>200) xyPos = 25;
} 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();
}
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();
Str255 pTitle;
if (name) { pTitle[0] = strlen(name); memcpy(pTitle+1, name, pTitle[0]); }
else pTitle[0]=0;
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;
CreateNewWindow( winclass, winattr, &wRect, &(x->xid) );
SetWTitle(x->xid, pTitle);
x->w = w; w->i = x;
x->wait_for_expose = 1;
x->next = Fl_X::first;
Fl_X::first = x;
if (w->resizable()) DrawGrowIcon(x->xid);
w->set_visible();
{ // 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, 1, 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, kEventWindowBoundsChanged } };
ret = InstallWindowEventHandler( x->xid, windowHandler, 7, 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 (fl_show_iconic) {
fl_show_iconic = 0;
CollapseWindow( x->xid, true ); // \todo Mac ; untested
} else if (winclass != kHelpWindowClass) {
Fl_Tooltip::enter(0);
}
ShowWindow(x->xid);
w->handle(FL_SHOW);
w->redraw(); // force draw to happen
w->set_visible();
if (w->modal()) { Fl::modal_ = w; fl_fix_focus(); }
}
}
/**
* this is a leftover from X Windows
*/
void Fl_Window::size_range_() {
size_range_set = 1;
}
/**
* 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);
Str255 pTitle;
if (name) { pTitle[0] = strlen(name); memcpy(pTitle+1, name, pTitle[0]); }
else pTitle[0] = 0;
if (shown() || i) SetWTitle(fl_xid(this), pTitle);
}
/**
* 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);
}
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) {
int is_a_resize = (W != w() || H != h());
if (X != x() || Y != y()) set_flag(FL_FORCE_POSITION);
else if (!is_a_resize) return;
if ( (resize_from_system!=this) && (!parent()) && shown()) {
MoveWindow(i->xid, X, Y, 0);
if (is_a_resize) {
SizeWindow(i->xid, W>0 ? W : 1, H>0 ? H : 1, 1);
Rect all; all.top=-32000; all.bottom=32000; all.left=-32000; all.right=32000;
InvalWindowRect( i->xid, &all );
}
}
resize_from_system = 0;
if (is_a_resize) {
Fl_Group::resize(X,Y,W,H);
if (shown()) { redraw(); if (!parent()) i->wait_for_expose = 1; }
} else {
x(X); y(Y);
}
}
/**
* make all drawing go into this window (called by subclass flush() impl.)
*/
void Fl_Window::make_current()
{
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 winows
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_Region r = NewRgn();
Fl_Window *cw = cx->w;
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 );
}
fl_clip_region( 0 );
SetPortClipRegion( GetWindowPort(i->xid), fl_window_region );
return;
}
////////////////////////////////////////////////////////////////
// Cut & paste.
Fl_Widget *fl_selection_requestor = 0;
char *fl_selection_buffer[2];
int fl_selection_length[2];
int fl_selection_buffer_length[2];
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) {
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] );
}
}
// 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:
ScrapRef scrap = 0;
Size len = 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];
}
GetScrapFlavorData( scrap, kScrapFlavorTypeText, &len,
fl_selection_buffer[1] );
fl_selection_length[1] = len;
// 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';
}
}
}
Fl::e_text = fl_selection_buffer[clipboard];
Fl::e_length = fl_selection_length[clipboard];
receiver.handle(FL_PASTE);
return;
}
//
// End of "$Id: Fl_mac.cxx,v 1.1.2.22 2002/04/16 15:49:06 easysw Exp $".
//