ref: e93e6aaccad8b75eebafc500caf73dac8a9aabc7
dir: /gui-cocoa/screen.m/
#define Rect RectC
#import <Cocoa/Cocoa.h>
#include <OpenGL/GL.h>
#undef Rect
#undef nil
#define Point Point9
#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"
Memimage *gscreen;
static NSOpenGLView *myview;
static NSSize winsize;
static NSCursor *currentCursor;
static GLuint tex;
void
guimain(void)
{
static const char *args[] = {"drawterm", NULL};
NSApplicationMain(1, args);
}
void
screeninit(void)
{
memimageinit();
screensize(Rect(0, 0, winsize.width, winsize.height), ABGR32);
gscreen->clipr = Rect(0, 0, winsize.width, winsize.height);
terminit();
}
void
screensize(Rectangle r, ulong chan)
{
Memimage *i;
if((i = allocmemimage(r, chan)) == nil)
return;
if(gscreen != nil)
freememimage(gscreen);
gscreen = i;
gscreen->clipr = ZR;
}
Memdata*
attachscreen(Rectangle *r, ulong *chan, int *depth, int *width, int *softscreen)
{
*r = gscreen->clipr;
*chan = gscreen->chan;
*depth = gscreen->depth;
*width = gscreen->width;
*softscreen = 1;
gscreen->data->ref++;
return gscreen->data;
}
char *
clipread(void)
{
NSPasteboard *pb = [NSPasteboard generalPasteboard];
NSArray *classes = [NSArray arrayWithObjects:[NSString class], nil];
NSDictionary *options = [NSDictionary dictionary];
NSArray *it = [pb readObjectsForClasses:classes options:options];
if(it != nil && [it count] > 0)
return strdup([it[0] UTF8String]);
return nil;
}
int
clipwrite(char *buf)
{
NSString *s = [[NSString alloc] initWithUTF8String:buf];
NSPasteboard *pb = [NSPasteboard generalPasteboard];
[pb clearContents];
[pb writeObjects:@[s]];
return strlen(buf);
}
void
flushmemscreen(Rectangle r)
{
uchar *buf;
ulong sz;
if(rectclip(&r, gscreen->clipr) == 0)
return;
sz = Dx(r) * Dy(r) * 4;
buf = malloc(sz);
unloadmemimage(gscreen, r, buf, sz);
dispatch_async(dispatch_get_main_queue(), ^(void){
[[myview openGLContext] makeCurrentContext];
glBindTexture(GL_TEXTURE_2D, tex);
glTexSubImage2D(GL_TEXTURE_2D, 0, r.min.x, r.min.y, Dx(r), Dy(r), GL_RGBA, GL_UNSIGNED_BYTE, buf);
free(buf);
[NSOpenGLContext clearCurrentContext];
[myview setNeedsDisplay:YES];
});
}
void
getcolor(ulong a, ulong *b, ulong *c, ulong *d)
{
}
void
setcolor(ulong a, ulong b, ulong c, ulong d)
{
}
void
setcursor(void)
{
static unsigned char data[64];
unsigned char *planes[2] = {&data[0], &data[32]};
int i;
lock(&cursor.lk);
for(i = 0; i < 32; i++){
data[i] = ~cursor.set[i] & cursor.clr[i];
data[i+32] = cursor.set[i] | cursor.clr[i];
}
NSBitmapImageRep *rep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:planes
pixelsWide:16
pixelsHigh:16
bitsPerSample:1
samplesPerPixel:2
hasAlpha:YES
isPlanar:YES
colorSpaceName:NSDeviceWhiteColorSpace
bitmapFormat:0
bytesPerRow:2
bitsPerPixel:0];
NSImage *img = [[NSImage alloc] initWithSize:NSMakeSize(16, 16)];
[img addRepresentation:rep];
currentCursor = [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(-cursor.offset.x, -cursor.offset.y)];
unlock(&cursor.lk);
dispatch_async(dispatch_get_main_queue(), ^(void){
[[myview window] invalidateCursorRectsForView:myview];
});
}
void
mouseset(Point p)
{
dispatch_async(dispatch_get_main_queue(), ^(void){
NSRect r;
r.origin.x = p.x;
r.origin.y = p.y;
r.size.width = 1;
r.size.height = 1;
r = [myview.window convertRectToScreen:r];
CGWarpMouseCursorPosition(r.origin);
});
}
@interface AppDelegate : NSObject <NSApplicationDelegate>
@end
@interface AppDelegate ()
@property (assign) IBOutlet NSWindow *window;
@property (assign) IBOutlet NSOpenGLView *view;
@end
@implementation AppDelegate
void
mainproc(void *aux)
{
cpubody();
}
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
setcursor();
[_window setRestorable:NO];
[_window setAcceptsMouseMovedEvents:TRUE];
myview = _view;
winsize = _view.frame.size;
kproc("mainproc", mainproc, 0);
}
- (void)applicationWillTerminate:(NSNotification *)aNotification {
}
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication {
return YES;
}
@end
@interface DrawtermView : NSOpenGLView
- (void) drawRect:(NSRect)rect;
- (void) keyDown:(NSEvent*)event;
- (void) flagsChanged:(NSEvent*)event;
- (void) keyUp:(NSEvent*)event;
- (void) mouseDown:(NSEvent*)event;
- (void) mouseDragged:(NSEvent*)event;
- (void) mouseUp:(NSEvent*)event;
- (void) mouseMoved:(NSEvent*)event;
- (void) rightMouseDown:(NSEvent*)event;
- (void) rightMouseDragged:(NSEvent*)event;
- (void) rightMouseUp:(NSEvent*)event;
- (void) otherMouseDown:(NSEvent*)event;
- (void) otherMouseDragged:(NSEvent*)event;
- (void) otherMouseUp:(NSEvent*)event;
- (void) scrollWheel:(NSEvent*)event;
- (BOOL) acceptsFirstResponder;
- (void) reshape;
- (BOOL) acceptsMouseMovedEvents;
- (void) prepareOpenGL;
- (void) resetCursorRects;
@end
@implementation DrawtermView
- (void) prepareOpenGL {
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEnable(GL_TEXTURE_2D);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self.frame.size.width, self.frame.size.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 1, 1, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
}
- (void) drawRect:(NSRect)rect
{
glBindTexture(GL_TEXTURE_2D, tex);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
glColor4f(1.0, 1.0, 1.0, 1.0);
glBegin(GL_TRIANGLES);
glTexCoord2f(0.0, 0.0); glVertex2f(0.0, 0.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, 0.0);
glTexCoord2f(0.0, 1.0); glVertex2f(0.0, 1.0);
glTexCoord2f(0.0, 1.0); glVertex2f(0.0, 1.0);
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, 0.0);
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
glEnd();
glFlush();
}
static int
evkey(NSEvent *event)
{
NSString *s = [event charactersIgnoringModifiers];
int v = [s characterAtIndex:0];
switch(v){
case '\r': return '\n';
case '\b': return 127;
case 127: return '\b';
case NSUpArrowFunctionKey: return Kup;
case NSDownArrowFunctionKey: return Kdown;
case NSLeftArrowFunctionKey: return Kleft;
case NSRightArrowFunctionKey: return Kright;
case NSF1FunctionKey: return KF|1;
case NSF2FunctionKey: return KF|2;
case NSF3FunctionKey: return KF|3;
case NSF4FunctionKey: return KF|4;
case NSF5FunctionKey: return KF|5;
case NSF6FunctionKey: return KF|6;
case NSF7FunctionKey: return KF|7;
case NSF8FunctionKey: return KF|8;
case NSF9FunctionKey: return KF|9;
case NSF10FunctionKey: return KF|10;
case NSF11FunctionKey: return KF|11;
case NSF12FunctionKey: return KF|12;
case NSF13FunctionKey: return 0;
case NSF14FunctionKey: return 0;
case NSF15FunctionKey: return 0;
case NSF16FunctionKey: return 0;
case NSF17FunctionKey: return 0;
case NSF18FunctionKey: return 0;
case NSF19FunctionKey: return 0;
case NSF20FunctionKey: return 0;
case NSF21FunctionKey: return 0;
case NSF22FunctionKey: return 0;
case NSF23FunctionKey: return 0;
case NSF24FunctionKey: return 0;
case NSF25FunctionKey: return 0;
case NSF26FunctionKey: return 0;
case NSF27FunctionKey: return 0;
case NSF28FunctionKey: return 0;
case NSF29FunctionKey: return 0;
case NSF30FunctionKey: return 0;
case NSF31FunctionKey: return 0;
case NSF32FunctionKey: return 0;
case NSF33FunctionKey: return 0;
case NSF34FunctionKey: return 0;
case NSF35FunctionKey: return 0;
case NSInsertFunctionKey: return Kins;
case NSDeleteFunctionKey: return Kdel;
case NSHomeFunctionKey: return Khome;
case NSBeginFunctionKey: return 0;
case NSEndFunctionKey: return Kend;
case NSPageUpFunctionKey: return Kpgup;
case NSPageDownFunctionKey: return Kpgdown;
case NSPrintScreenFunctionKey: return 0;
case NSScrollLockFunctionKey: return Kscroll;
case NSPauseFunctionKey: return 0;
case NSSysReqFunctionKey: return 0;
case NSBreakFunctionKey: return 0;
case NSResetFunctionKey: return 0;
case NSStopFunctionKey: return 0;
case NSMenuFunctionKey: return 0;
case NSUserFunctionKey: return 0;
case NSSystemFunctionKey: return 0;
case NSPrintFunctionKey: return 0;
case NSClearLineFunctionKey: return 0;
case NSClearDisplayFunctionKey: return 0;
case NSInsertLineFunctionKey: return 0;
case NSDeleteLineFunctionKey: return 0;
case NSInsertCharFunctionKey: return 0;
case NSDeleteCharFunctionKey: return 0;
case NSPrevFunctionKey: return 0;
case NSNextFunctionKey: return 0;
case NSSelectFunctionKey: return 0;
case NSExecuteFunctionKey: return 0;
case NSUndoFunctionKey: return 0;
case NSRedoFunctionKey: return 0;
case NSFindFunctionKey: return 0;
case NSHelpFunctionKey: return 0;
case NSModeSwitchFunctionKey: return 0;
default: return v;
}
}
- (void)keyDown:(NSEvent*)event {
int m;
m = evkey(event);
if((event.modifierFlags & NSEventModifierFlagControl) != 0)
m &= 0x9f;
if(m != 0)
kbdkey(m, 1);
}
- (void)keyUp:(NSEvent*)event {
int m;
m = evkey(event);
if((event.modifierFlags & NSEventModifierFlagControl) != 0)
m &= 0x9f;
if(m != 0)
kbdkey(m, 0);
}
- (void)flagsChanged:(NSEvent*)event {
static NSEventModifierFlags y;
NSEventModifierFlags x;
x = [event modifierFlags];
if((x & ~y & NSEventModifierFlagShift) != 0)
kbdkey(Kshift, 1);
if((x & ~y & NSEventModifierFlagControl) != 0)
kbdkey(Kctl, 1);
if((x & ~y & NSEventModifierFlagOption) != 0)
kbdkey(Kalt, 1);
if((x & ~y & NSEventModifierFlagCapsLock) != 0)
kbdkey(Kcaps, 1);
if((~x & y & NSEventModifierFlagShift) != 0)
kbdkey(Kshift, 0);
if((~x & y & NSEventModifierFlagControl) != 0)
kbdkey(Kctl, 0);
if((~x & y & NSEventModifierFlagOption) != 0)
kbdkey(Kalt, 0);
if((x & ~y & NSEventModifierFlagCapsLock) != 0)
kbdkey(Kcaps, 0);
y = x;
}
- (void)mouseevent:(NSEvent*)event
{
NSPoint p;
Point q;
NSUInteger u;
p = [self.window mouseLocationOutsideOfEventStream];
u = [NSEvent pressedMouseButtons];
q.x = p.x;
q.y = p.y;
if(!ptinrect(q, gscreen->clipr)) return;
u = u & ~6 | u << 1 & 4 | u >> 1 & 2;
absmousetrack(p.x, self.frame.size.height - p.y, u, ticks());
}
- (void) mouseDown:(NSEvent*)event { [self mouseevent:event]; }
- (void) mouseDragged:(NSEvent*)event { [self mouseevent:event]; }
- (void) mouseUp:(NSEvent*)event { [self mouseevent:event]; }
- (void) mouseMoved:(NSEvent*)event { [self mouseevent:event]; }
- (void) rightMouseDown:(NSEvent*)event { [self mouseevent:event]; }
- (void) rightMouseDragged:(NSEvent*)event { [self mouseevent:event]; }
- (void) rightMouseUp:(NSEvent*)event { [self mouseevent:event]; }
- (void) otherMouseDown:(NSEvent*)event { [self mouseevent:event]; }
- (void) otherMouseDragged:(NSEvent*)event { [self mouseevent:event]; }
- (void) otherMouseUp:(NSEvent*)event { [self mouseevent:event]; }
- (void) scrollWheel:(NSEvent*)event {
mousetrack(0, 0, [event deltaY]>0 ? 8 : 16, ticks());
}
- (BOOL) acceptsFirstResponder {
return TRUE;
}
- (void) reshape {
winsize = self.frame.size;
NSOpenGLContext *ctxt = [NSOpenGLContext currentContext];
[[myview openGLContext] makeCurrentContext];
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self.frame.size.width, self.frame.size.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
if(ctxt == nil)
[NSOpenGLContext clearCurrentContext];
else
[ctxt makeCurrentContext];
if(gscreen != nil){
screenresize(Rect(0, 0, winsize.width, winsize.height));
flushmemscreen(gscreen->clipr);
}
}
- (BOOL) acceptsMouseMovedEvents {
return TRUE;
}
- (void)resetCursorRects {
[super resetCursorRects];
[self addCursorRect:self.bounds cursor:currentCursor];
}
@end