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Diffstat (limited to 'src/ui/ui-drv/cocoa/FractalView.m')
| -rw-r--r-- | src/ui/ui-drv/cocoa/FractalView.m | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/src/ui/ui-drv/cocoa/FractalView.m b/src/ui/ui-drv/cocoa/FractalView.m new file mode 100644 index 0000000..6a3b458 --- /dev/null +++ b/src/ui/ui-drv/cocoa/FractalView.m @@ -0,0 +1,347 @@ +/* + * XaoS, a fast portable realtime fractal zoomer + * Copyright (C) 1996 by + * + * Jan Hubicka (hubicka@paru.cas.cz) + * Thomas Marsh (tmarsh@austin.ibm.com) + * + * Cocoa Driver by J.B. Langston III (jb-langston@austin.rr.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#import "FractalView.h" +#ifdef VIDEATOR_SUPPORT +#import "VideatorProxy.h" +#endif + +@interface NSObject(AppDelegateStuff) + +- (void)keyPressed:(NSString *)key; + +@end + +@implementation FractalView + +#pragma mark Initialization + +- (id)initWithFrame:(NSRect)frame { + self = [super initWithFrame:frame]; + if (self) { +#ifdef VIDEATOR_SUPPORT + videatorProxy = [[VideatorProxy alloc] init]; +#endif + } + return self; +} + +- (void)dealloc { +#ifdef VIDEATOR_SUPPORT + [videatorProxy release]; +#endif + [super dealloc]; +} + +#pragma mark Drawing + +- (BOOL)isOpaque { + return YES; +} + +- (void)drawRect:(NSRect)rect { + if (imageRep[currentBuffer]) { + [imageRep[currentBuffer] drawInRect:[self bounds]]; + } + + if (messageText) { + [messageText drawAtPoint:messageLocation withAttributes:[self textAttributes]]; + [messageText release]; + messageText = nil; + } + +#ifdef VIDEATOR_SUPPORT + [videatorProxy sendImageRep:imageRep[currentBuffer]]; +#endif +} + +#pragma mark Resize Handling + +- (void)viewDidEndLiveResize { + ui_resize(); +} + +#pragma mark Mouse Event Handling + +- (void)calculateMouseLocationFromEvent:(NSEvent *)theEvent { + NSPoint mouseLoc = [self convertPoint:[theEvent locationInWindow] fromView:nil]; + mouseX = mouseLoc.x; + mouseY = [self bounds].size.height - mouseLoc.y; +} + +- (void)mouseDown:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; + + // Emulate 3 buttons based on modifier keys + mouseScrollWheel = 0; + if ([theEvent modifierFlags] & NSControlKeyMask) { + mouseButton = BUTTON3; + } else if ([theEvent modifierFlags] & NSShiftKeyMask) { + mouseButton = BUTTON2; + } else { + mouseButton = BUTTON1; + } +} + +- (void)mouseUp:(NSEvent *)theEvent { + mouseButton = 0; +} + +- (void)mouseDragged:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; +} + +- (void)rightMouseDown:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; + mouseScrollWheel = 0; + rightMouseButton = BUTTON3; +} + +- (void)rightMouseUp:(NSEvent *)theEvent { + rightMouseButton = 0; +} + +- (void)rightMouseDragged:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; +} + +- (void)otherMouseDown:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; + mouseScrollWheel = 0; + otherMouseButton = BUTTON2; +} + +- (void)otherMouseUp:(NSEvent *)theEvent { + otherMouseButton = 0; +} + +- (void)otherMouseDragged:(NSEvent *)theEvent { + [self calculateMouseLocationFromEvent:theEvent]; +} + +- (void)scrollWheel:(NSEvent *)theEvent { + // Only scroll if no mouse buttons are held + if ((mouseButton | rightMouseButton | otherMouseButton) == 0) { + mouseScrollWheel = BUTTON2; + mouseX += [theEvent deltaX]; + mouseY += [theEvent deltaY]; + } +} + +#pragma mark Keyboard Event Handling + +- (void)flagsChanged:(NSEvent *)theEvent { + // Emulate 3 buttons based on modifier keys + if (mouseButton) { + if ([theEvent modifierFlags] & NSControlKeyMask) { + mouseButton = BUTTON3; + } else if ([theEvent modifierFlags] & NSShiftKeyMask) { + mouseButton = BUTTON2; + } else { + mouseButton = BUTTON1; + } + } +} + +- (void)keyDown:(NSEvent *)e { + NSString *characters = [e characters]; + if ([characters length] == 0) return; + + unichar keyChar = [characters characterAtIndex:0]; + switch(keyChar) { + case NSLeftArrowFunctionKey: + keysDown |= 1; + ui_key(UIKEY_LEFT); + break; + case NSRightArrowFunctionKey: + keysDown |= 2; + ui_key(UIKEY_RIGHT); + break; + case NSUpArrowFunctionKey: + keysDown |= 4; + ui_key(UIKEY_UP); + break; + case NSDownArrowFunctionKey: + keysDown |= 8; + ui_key(UIKEY_DOWN); + break; + case NSBackspaceCharacter: + ui_key(UIKEY_BACKSPACE); + break; + case NSEndFunctionKey: + ui_key(UIKEY_END); + break; + case '\033': // Escape + ui_key(UIKEY_ESC); + break; + case NSHomeFunctionKey: + ui_key(UIKEY_HOME); + break; + case NSPageDownFunctionKey: + ui_key(UIKEY_PGDOWN); + break; + case NSPageUpFunctionKey: + ui_key(UIKEY_PGUP); + break; + case NSTabCharacter: + ui_key(UIKEY_TAB); + break; + default: + ui_key(keyChar); + } +} + +- (void)keyUp:(NSEvent *)e { + NSString *characters = [e characters]; + if ([characters length] == 0) return; + + unichar keyChar = [characters characterAtIndex:0]; + switch(keyChar) { + case NSLeftArrowFunctionKey: + keysDown &= ~1; + break; + case NSRightArrowFunctionKey: + keysDown &= ~2; + break; + case NSUpArrowFunctionKey: + keysDown &= ~4; + break; + case NSDownArrowFunctionKey: + keysDown &= ~8; + break; + } +} + +#pragma mark Accessors + +#ifdef VIDEATOR_SUPPORT +- (VideatorProxy *)videatorProxy { + return videatorProxy; +} +#endif + +- (void)getWidth:(int *)w height:(int *)h { + NSRect bounds = [self bounds]; + *w = bounds.size.width; + *h = bounds.size.height; +} + +- (void)getMouseX:(int *)mx mouseY:(int *)my mouseButton:(int *)mb { + *mx = mouseX; + *my = mouseY; + *mb = mouseButton | rightMouseButton | otherMouseButton | mouseScrollWheel; +} + +- (void)getMouseX:(int *)mx mouseY:(int *)my mouseButton:(int *)mb keys:(int *)k +{ + [self getMouseX:mx mouseY:my mouseButton:mb]; + *k = keysDown; +} + +#pragma mark Cursor + +- (void)setCursorType:(int)type { + cursorType = type; + [[self window] invalidateCursorRectsForView:self]; +} + +- (void)resetCursorRects { + /* BUG - cursor changes back to arrow when mouse is clicked + if (cursorType == VJMOUSE) { + NSCursor *cursor = [[NSCursor alloc] initWithImage:[NSImage imageNamed:@"performanceCursor"] hotSpot:NSMakePoint(1.0,1.0)]; + [cursor setOnMouseEntered:YES]; + [self addCursorRect:[self bounds] cursor:cursor]; + [cursor release]; + } */ +} + + +#pragma mark Text + +- (NSDictionary *)textAttributes { + + NSMutableDictionary *attrsDictionary = [NSMutableDictionary dictionaryWithObject:[NSColor whiteColor] + forKey:NSForegroundColorAttributeName]; + + NSShadow *dockStyleTextShadow = [[NSShadow alloc] init]; + [dockStyleTextShadow setShadowOffset:NSMakeSize(2, -2)]; + [dockStyleTextShadow setShadowBlurRadius:1]; + [dockStyleTextShadow setShadowColor:[NSColor blackColor]]; + [attrsDictionary setValue:[NSFont boldSystemFontOfSize:12.0] forKey:NSFontAttributeName]; + [attrsDictionary setValue:dockStyleTextShadow forKey:NSShadowAttributeName]; + [dockStyleTextShadow autorelease]; + + return attrsDictionary; +} + + +- (void)printText:(CONST char *)text atX:(int)x y:(int)y { + messageText = [[NSString stringWithUTF8String:text] retain]; + messageLocation = NSMakePoint(x + 15, [self bounds].size.height - y); + [self setNeedsDisplay:YES]; +} + +#pragma mark Buffers + +- (int)allocBuffer1:(char **)b1 buffer2:(char **)b2 { + currentBuffer = 0; + NSRect bounds = [self bounds]; + imageRep[0] = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL + pixelsWide:bounds.size.width + pixelsHigh:bounds.size.height + bitsPerSample:8 + samplesPerPixel:3 + hasAlpha:NO + isPlanar:NO + colorSpaceName:NSDeviceRGBColorSpace + bytesPerRow:0 + bitsPerPixel:32]; + + *b1 = (char *)[imageRep[0] bitmapData]; + + imageRep[1] = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL + pixelsWide:bounds.size.width + pixelsHigh:bounds.size.height + bitsPerSample:8 + samplesPerPixel:3 + hasAlpha:NO + isPlanar:NO + colorSpaceName:NSDeviceRGBColorSpace + bytesPerRow:0 + bitsPerPixel:32]; + + *b2 = (char *)[imageRep[1] bitmapData]; + NSLog(@"bytesPerRow = %d", [imageRep[0] bytesPerRow]); + return [imageRep[0] bytesPerRow]; +} + +- (void)freeBuffers { + [imageRep[0] release]; + [imageRep[1] release]; +} + +- (void)flipBuffers { + currentBuffer ^= 1; +} + +@end |