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drawterm/gui-osx/screen.c

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// in this file, _Rect is os x Rect,
// _Point is os x Point
#undef Point
#define Point _Point
#undef Rect
#define Rect _Rect
#include <Carbon/Carbon.h>
#include <QuickTime/QuickTime.h> // for full screen
#undef Rect
#undef Point
#undef nil
#include "u.h"
#include "lib.h"
#include "kern/dat.h"
#include "kern/fns.h"
#include "error.h"
#include "user.h"
#include <draw.h>
#include <memdraw.h>
#include "screen.h"
#include "keyboard.h"
#include "keycodes.h"
#define rWindowResource 128
#define topLeft(r) (((Point *) &(r))[0])
#define botRight(r) (((Point *) &(r))[1])
extern int mousequeue;
static int depth;
Boolean gDone;
RgnHandle gCursorRegionHdl;
Memimage *gscreen;
Screeninfo screen;
static int readybit;
static Rendez rend;
///
// menu
//
static MenuRef windMenu;
static MenuRef viewMenu;
enum {
kQuitCmd = 1,
kFullScreenCmd = 2,
};
static WindowGroupRef winGroup = NULL;
static WindowRef theWindow = NULL;
static CGContextRef context;
static CGDataProviderRef dataProviderRef;
static CGImageRef fullScreenImage;
static CGRect devRect;
static CGRect bounds;
static PasteboardRef appleclip;
static _Rect winRect;
Boolean altPressed = false;
Boolean button2 = false;
Boolean button3 = false;
static int
isready(void*a)
{
return readybit;
}
CGContextRef QuartzContext;
void winproc(void *a);
void screeninit(void)
{
int fmt;
int dx, dy;
ProcessSerialNumber psn = { 0, kCurrentProcess };
TransformProcessType(&psn, kProcessTransformToForegroundApplication);
SetFrontProcess(&psn);
memimageinit();
depth = 32; // That's all this code deals with for now
screen.depth = 32;
fmt = XBGR32; //XRGB32;
devRect = CGDisplayBounds(CGMainDisplayID());
// devRect.origin.x = 0;
// devRect.origin.y = 0;
// devRect.size.width = 1024;
// devRect.size.height = 768;
dx = devRect.size.width;
dy = devRect.size.height;
gscreen = allocmemimage(Rect(0,0,dx,dy), fmt);
dataProviderRef = CGDataProviderCreateWithData(0, gscreen->data->bdata,
dx * dy * 4, 0);
fullScreenImage = CGImageCreate(dx, dy, 8, 32, dx * 4,
CGColorSpaceCreateDeviceRGB(),
kCGImageAlphaNoneSkipLast,
dataProviderRef, 0, 0, kCGRenderingIntentDefault);
kproc("osxscreen", winproc, 0);
ksleep(&rend, isready, 0);
}
// No wonder Apple sells so many wide displays!
static OSStatus ApplicationQuitEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
static OSStatus MainWindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
static OSStatus MainWindowCommandHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
void
window_resized()
{
GetWindowBounds(theWindow, kWindowContentRgn, &winRect );
bounds = CGRectMake(0, 0, winRect.right-winRect.left, winRect.bottom - winRect.top);
}
void winproc(void *a)
{
winRect.left = 30;
winRect.top = 60;
winRect.bottom = (devRect.size.height * 0.75) + winRect.top;
winRect.right = (devRect.size.width * 0.75) + winRect.left;
ClearMenuBar();
InitCursor();
CreateStandardWindowMenu(0, &windMenu);
InsertMenu(windMenu, 0);
MenuItemIndex index;
CreateNewMenu(1004, 0, &viewMenu);
SetMenuTitleWithCFString(viewMenu, CFSTR("View"));
AppendMenuItemTextWithCFString(viewMenu, CFSTR("Full Screen"), 0,
kFullScreenCmd, &index);
SetMenuItemCommandKey(viewMenu, index, 0, 'F');
InsertMenu(viewMenu, GetMenuID(windMenu));
DrawMenuBar();
uint32_t windowAttrs = 0
| kWindowCloseBoxAttribute
| kWindowCollapseBoxAttribute
| kWindowResizableAttribute
| kWindowStandardHandlerAttribute
| kWindowFullZoomAttribute
;
CreateNewWindow(kDocumentWindowClass, windowAttrs, &winRect, &theWindow);
CreateWindowGroup(0, &winGroup);
SetWindowGroup(theWindow, winGroup);
SetWindowTitleWithCFString(theWindow, CFSTR("Drawterm"));
if(PasteboardCreate(kPasteboardClipboard, &appleclip) != noErr)
sysfatal("pasteboard create failed");
const EventTypeSpec quit_events[] = {
{ kEventClassApplication, kEventAppQuit }
};
const EventTypeSpec commands[] = {
{ kEventClassWindow, kEventWindowClosed },
{ kEventClassWindow, kEventWindowBoundsChanged },
{ kEventClassCommand, kEventCommandProcess }
};
const EventTypeSpec events[] = {
{ kEventClassKeyboard, kEventRawKeyDown },
{ kEventClassKeyboard, kEventRawKeyModifiersChanged },
{ kEventClassKeyboard, kEventRawKeyRepeat },
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassMouse, kEventMouseMoved },
{ kEventClassMouse, kEventMouseDragged },
{ kEventClassMouse, kEventMouseWheelMoved },
};
InstallApplicationEventHandler (
NewEventHandlerUPP (ApplicationQuitEventHandler),
GetEventTypeCount(quit_events),
quit_events,
NULL,
NULL);
InstallApplicationEventHandler (
NewEventHandlerUPP (MainWindowEventHandler),
GetEventTypeCount(events),
events,
NULL,
NULL);
InstallWindowEventHandler (
theWindow,
NewEventHandlerUPP (MainWindowCommandHandler),
GetEventTypeCount(commands),
commands,
theWindow,
NULL);
ShowWindow(theWindow);
ShowMenuBar();
window_resized();
SelectWindow(theWindow);
terminit();
// Run the event loop
readybit = 1;
wakeup(&rend);
RunApplicationEventLoop();
}
static inline int convert_key(UInt32 key, UInt32 charcode)
{
switch(key) {
case QZ_IBOOK_ENTER:
case QZ_RETURN: return '\n';
case QZ_ESCAPE: return 27;
case QZ_BACKSPACE: return '\b';
case QZ_LALT: return Kalt;
case QZ_LCTRL: return Kctl;
case QZ_LSHIFT: return Kshift;
case QZ_F1: return KF+1;
case QZ_F2: return KF+2;
case QZ_F3: return KF+3;
case QZ_F4: return KF+4;
case QZ_F5: return KF+5;
case QZ_F6: return KF+6;
case QZ_F7: return KF+7;
case QZ_F8: return KF+8;
case QZ_F9: return KF+9;
case QZ_F10: return KF+10;
case QZ_F11: return KF+11;
case QZ_F12: return KF+12;
case QZ_INSERT: return Kins;
case QZ_DELETE: return 0x7F;
case QZ_HOME: return Khome;
case QZ_END: return Kend;
case QZ_KP_PLUS: return '+';
case QZ_KP_MINUS: return '-';
case QZ_TAB: return '\t';
case QZ_PAGEUP: return Kpgup;
case QZ_PAGEDOWN: return Kpgdown;
case QZ_UP: return Kup;
case QZ_DOWN: return Kdown;
case QZ_LEFT: return Kleft;
case QZ_RIGHT: return Kright;
case QZ_KP_MULTIPLY: return '*';
case QZ_KP_DIVIDE: return '/';
case QZ_KP_ENTER: return '\n';
case QZ_KP_PERIOD: return '.';
case QZ_KP0: return '0';
case QZ_KP1: return '1';
case QZ_KP2: return '2';
case QZ_KP3: return '3';
case QZ_KP4: return '4';
case QZ_KP5: return '5';
case QZ_KP6: return '6';
case QZ_KP7: return '7';
case QZ_KP8: return '8';
case QZ_KP9: return '9';
default: return charcode;
}
}
void
sendbuttons(int b, int x, int y)
{
int i;
lock(&mouse.lk);
i = mouse.wi;
if(mousequeue) {
if(i == mouse.ri || mouse.lastb != b || mouse.trans) {
mouse.wi = (i+1)%Mousequeue;
if(mouse.wi == mouse.ri)
mouse.ri = (mouse.ri+1)%Mousequeue;
mouse.trans = mouse.lastb != b;
} else {
i = (i-1+Mousequeue)%Mousequeue;
}
} else {
mouse.wi = (i+1)%Mousequeue;
mouse.ri = i;
}
mouse.queue[i].xy.x = x;
mouse.queue[i].xy.y = y;
mouse.queue[i].buttons = b;
mouse.queue[i].msec = ticks();
mouse.lastb = b;
unlock(&mouse.lk);
wakeup(&mouse.r);
}
static Ptr fullScreenRestore;
static int amFullScreen = 0;
static WindowRef oldWindow = NULL;
static void
leave_full_screen()
{
if (amFullScreen) {
EndFullScreen(fullScreenRestore, 0);
theWindow = oldWindow;
ShowWindow(theWindow);
amFullScreen = 0;
window_resized();
Rectangle rect = { { 0, 0 },
{ bounds.size.width,
bounds.size.height} };
drawqlock();
flushmemscreen(rect);
drawqunlock();
}
}
static void
full_screen()
{
if (!amFullScreen) {
oldWindow = theWindow;
HideWindow(theWindow);
BeginFullScreen(&fullScreenRestore, 0, 0, 0, &theWindow, 0, 0);
amFullScreen = 1;
window_resized();
Rectangle rect = { { 0, 0 },
{ bounds.size.width,
bounds.size.height} };
drawqlock();
flushmemscreen(rect);
drawqunlock();
}
}
// catch quit events to handle quits from menu, Cmd+Q, applescript, and task switcher
static OSStatus ApplicationQuitEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
{
exit(0);
// QuitApplicationEventLoop();
return noErr;
}
static OSStatus MainWindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
{
OSStatus result = noErr;
result = CallNextEventHandler(nextHandler, event);
UInt32 class = GetEventClass (event);
UInt32 kind = GetEventKind (event);
static uint32_t mousebuttons = 0; // bitmask of buttons currently down
static uint32_t mouseX = 0;
static uint32_t mouseY = 0;
if(class == kEventClassKeyboard) {
char macCharCodes;
UInt32 macKeyCode;
UInt32 macKeyModifiers;
GetEventParameter(event, kEventParamKeyMacCharCodes, typeChar,
NULL, sizeof(macCharCodes), NULL, &macCharCodes);
GetEventParameter(event, kEventParamKeyCode, typeUInt32, NULL,
sizeof(macKeyCode), NULL, &macKeyCode);
GetEventParameter(event, kEventParamKeyModifiers, typeUInt32, NULL,
sizeof(macKeyModifiers), NULL, &macKeyModifiers);
switch(kind) {
case kEventRawKeyModifiersChanged:
if (macKeyModifiers == (controlKey | optionKey)) leave_full_screen();
switch(macKeyModifiers & (optionKey | cmdKey)) {
case (optionKey | cmdKey):
/* due to chording we need to handle the case when both
* modifier keys are pressed at the same time.
* currently it's only 2-3 snarf and the 3-2 noop
*/
altPressed = true;
if(mousebuttons & 1 || mousebuttons & 2 || mousebuttons & 4) {
mousebuttons |= 2; /* set button 2 */
mousebuttons |= 4; /* set button 3 */
button2 = true;
button3 = true;
sendbuttons(mousebuttons, mouseX, mouseY);
}
break;
case optionKey:
altPressed = true;
if(mousebuttons & 1 || mousebuttons & 4) {
mousebuttons |= 2; /* set button 2 */
button2 = true;
sendbuttons(mousebuttons, mouseX, mouseY);
}
break;
case cmdKey:
if(mousebuttons & 1 || mousebuttons & 2) {
mousebuttons |= 4; /* set button 3 */
button3 = true;
sendbuttons(mousebuttons, mouseX, mouseY);
}
break;
case 0:
default:
if(button2 || button3) {
if(button2) {
mousebuttons &= ~2; /* clear button 2 */
button2 = false;
altPressed = false;
}
if(button3) {
mousebuttons &= ~4; /* clear button 3 */
button3 = false;
}
sendbuttons(mousebuttons, mouseX, mouseY);
}
if(altPressed) {
kbdputc(kbdq, Kalt);
altPressed = false;
}
break;
}
break;
case kEventRawKeyDown:
case kEventRawKeyRepeat:
if(macKeyModifiers != cmdKey) {
int key = convert_key(macKeyCode, macCharCodes);
if (key != -1) kbdputc(kbdq, key);
} else
result = eventNotHandledErr;
break;
default:
break;
}
}
else if(class == kEventClassMouse) {
_Point mousePos;
GetEventParameter(event, kEventParamMouseLocation, typeQDPoint,
0, sizeof mousePos, 0, &mousePos);
switch (kind) {
case kEventMouseWheelMoved:
{
int32_t wheeldelta;
GetEventParameter(event,kEventParamMouseWheelDelta,typeSInt32,
0,sizeof(wheeldelta), 0, &wheeldelta);
mouseX = mousePos.h - winRect.left;
mouseY = mousePos.v - winRect.top;
sendbuttons(wheeldelta>0 ? 8 : 16, mouseX, mouseY);
break;
}
case kEventMouseUp:
case kEventMouseDown:
{
uint32_t buttons;
uint32_t modifiers;
GetEventParameter(event, kEventParamKeyModifiers, typeUInt32,
0, sizeof(modifiers), 0, &modifiers);
GetEventParameter(event, kEventParamMouseChord, typeUInt32,
0, sizeof buttons, 0, &buttons);
/* simulate other buttons via alt/apple key. like x11 */
if(modifiers & optionKey) {
mousebuttons = ((buttons & 1) ? 2 : 0);
altPressed = false;
} else if(modifiers & cmdKey)
mousebuttons = ((buttons & 1) ? 4 : 0);
else
mousebuttons = (buttons & 1);
mousebuttons |= ((buttons & 2)<<1);
mousebuttons |= ((buttons & 4)>>1);
} /* Fallthrough */
case kEventMouseMoved:
case kEventMouseDragged:
mouseX = mousePos.h - winRect.left;
mouseY = mousePos.v - winRect.top;
sendbuttons(mousebuttons, mouseX, mouseY);
break;
default:
result = eventNotHandledErr;
break;
}
}
return result;
}
//default window command handler (from menus)
static OSStatus MainWindowCommandHandler(EventHandlerCallRef nextHandler,
EventRef event, void *userData)
{
OSStatus result = noErr;
UInt32 class = GetEventClass (event);
UInt32 kind = GetEventKind (event);
result = CallNextEventHandler(nextHandler, event);
if(class == kEventClassCommand)
{
HICommand theHICommand;
GetEventParameter( event, kEventParamDirectObject, typeHICommand,
NULL, sizeof( HICommand ), NULL, &theHICommand );
switch ( theHICommand.commandID )
{
case kHICommandQuit:
exit(0);
break;
case kFullScreenCmd:
full_screen();
break;
default:
result = eventNotHandledErr;
break;
}
}
else if(class == kEventClassWindow)
{
WindowRef window;
_Rect rectPort = {0,0,0,0};
GetEventParameter(event, kEventParamDirectObject, typeWindowRef,
NULL, sizeof(WindowRef), NULL, &window);
if(window)
{
GetPortBounds(GetWindowPort(window), &rectPort);
}
switch (kind)
{
case kEventWindowClosed:
// send a quit carbon event instead of directly calling cleanexit
// so that all quits are done in ApplicationQuitEventHandler
{
EventRef quitEvent;
CreateEvent(NULL,
kEventClassApplication,
kEventAppQuit,
0,
kEventAttributeNone,
&quitEvent);
EventTargetRef target;
target = GetApplicationEventTarget();
SendEventToEventTarget(quitEvent, target);
}
break;
//resize window
case kEventWindowBoundsChanged:
window_resized();
Rectangle rect = { { 0, 0 },
{ bounds.size.width,
bounds.size.height} };
drawqlock();
flushmemscreen(rect);
drawqunlock();
break;
default:
result = eventNotHandledErr;
break;
}
}
return result;
}
void
flushmemscreen(Rectangle r)
{
// sanity check. Trips from the initial "terminal"
if (r.max.x < r.min.x || r.max.y < r.min.y) return;
screenload(r, gscreen->depth, byteaddr(gscreen, ZP), ZP,
gscreen->width*sizeof(ulong));
}
uchar*
attachscreen(Rectangle *r, ulong *chan, int *depth, int *width, int *softscreen, void **X)
{
*r = gscreen->r;
*chan = gscreen->chan;
*depth = gscreen->depth;
*width = gscreen->width;
*softscreen = 1;
return gscreen->data->bdata;
}
// PAL - no palette handling. Don't intend to either.
void
getcolor(ulong i, ulong *r, ulong *g, ulong *b)
{
// PAL: Certainly wrong to return a grayscale.
*r = i;
*g = i;
*b = i;
}
void
setcolor(ulong index, ulong red, ulong green, ulong blue)
{
assert(0);
}
static char snarf[3*SnarfSize+1];
static Rune rsnarf[SnarfSize+1];
char*
clipread(void)
{
CFDataRef cfdata;
OSStatus err = noErr;
ItemCount nItems;
// Wow. This is ridiculously complicated.
PasteboardSynchronize(appleclip);
if((err = PasteboardGetItemCount(appleclip, &nItems)) != noErr) {
fprint(2, "apple pasteboard GetItemCount failed - Error %d\n", err);
return 0;
}
uint32_t i;
// Yes, based at 1. Silly API.
for(i = 1; i <= nItems; ++i) {
PasteboardItemID itemID;
CFArrayRef flavorTypeArray;
CFIndex flavorCount;
if((err = PasteboardGetItemIdentifier(appleclip, i, &itemID)) != noErr){
fprint(2, "Can't get pasteboard item identifier: %d\n", err);
return 0;
}
if((err = PasteboardCopyItemFlavors(appleclip, itemID, &flavorTypeArray))!=noErr){
fprint(2, "Can't copy pasteboard item flavors: %d\n", err);
return 0;
}
flavorCount = CFArrayGetCount(flavorTypeArray);
CFIndex flavorIndex;
for(flavorIndex = 0; flavorIndex < flavorCount; ++flavorIndex){
CFStringRef flavorType;
flavorType = (CFStringRef)CFArrayGetValueAtIndex(flavorTypeArray, flavorIndex);
if (UTTypeConformsTo(flavorType, CFSTR("public.utf16-plain-text"))){
if((err = PasteboardCopyItemFlavorData(appleclip, itemID,
CFSTR("public.utf16-plain-text"), &cfdata)) != noErr){
fprint(2, "apple pasteboard CopyItem failed - Error %d\n", err);
return 0;
}
CFIndex length = CFDataGetLength(cfdata);
if (length > sizeof rsnarf) length = sizeof rsnarf;
CFDataGetBytes(cfdata, CFRangeMake(0, length), (uint8_t *)rsnarf);
snprint(snarf, sizeof snarf, "%.*S", length/sizeof(Rune), rsnarf);
char *s = snarf;
while (*s) {
if (*s == '\r') *s = '\n';
s++;
}
CFRelease(cfdata);
return strdup(snarf);
}
}
}
return 0;
}
int
clipwrite(char *snarf)
{
CFDataRef cfdata;
PasteboardSyncFlags flags;
runesnprint(rsnarf, nelem(rsnarf), "%s", snarf);
if(PasteboardClear(appleclip) != noErr){
fprint(2, "apple pasteboard clear failed\n");
return 0;
}
flags = PasteboardSynchronize(appleclip);
if((flags&kPasteboardModified) || !(flags&kPasteboardClientIsOwner)){
fprint(2, "apple pasteboard cannot assert ownership\n");
return 0;
}
cfdata = CFDataCreate(kCFAllocatorDefault,
(uchar*)rsnarf, runestrlen(rsnarf)*2);
if(cfdata == nil){
fprint(2, "apple pasteboard cfdatacreate failed\n");
return 0;
}
if(PasteboardPutItemFlavor(appleclip, (PasteboardItemID)1,
CFSTR("public.utf16-plain-text"), cfdata, 0) != noErr){
fprint(2, "apple pasteboard putitem failed\n");
CFRelease(cfdata);
return 0;
}
CFRelease(cfdata);
return 1;
}
void
mouseset(Point xy)
{
CGPoint pnt;
pnt.x = xy.x + winRect.left;
pnt.y = xy.y + winRect.top;
CGWarpMouseCursorPosition(pnt);
}
void
screenload(Rectangle r, int depth, uchar *p, Point pt, int step)
{
CGRect rbounds;
rbounds.size.width = r.max.x - r.min.x;
rbounds.size.height = r.max.y - r.min.y;
rbounds.origin.x = r.min.x;
rbounds.origin.y = r.min.y;
if(depth != gscreen->depth)
panic("screenload: bad ldepth");
QDBeginCGContext( GetWindowPort(theWindow), &context);
// The sub-image is relative to our whole screen image.
CGImageRef subimg = CGImageCreateWithImageInRect(fullScreenImage, rbounds);
// Drawing the sub-image is relative to the window.
rbounds.origin.y = winRect.bottom - winRect.top - r.min.y - rbounds.size.height;
CGContextDrawImage(context, rbounds, subimg);
CGContextFlush(context);
CGImageRelease(subimg);
QDEndCGContext( GetWindowPort(theWindow), &context);
}
// PAL: these don't work.
// SetCursor and InitCursor are marked as deprecated in 10.4, and I can't for the
// life of me find out what has replaced them.
void
setcursor(void)
{
Cursor crsr;
int i;
for(i=0; i<16; i++){
crsr.data[i] = ((ushort*)cursor.set)[i];
crsr.mask[i] = crsr.data[i] | ((ushort*)cursor.clr)[i];
}
crsr.hotSpot.h = -cursor.offset.x;
crsr.hotSpot.v = -cursor.offset.y;
SetCursor(&crsr);
}
void
cursorarrow(void)
{
InitCursor();
}
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