83 lines
1.9 KiB
Plaintext
83 lines
1.9 KiB
Plaintext
//
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// cursors.m
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// BoE
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//
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// Created by Celtic Minstrel on 03/06/09.
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// Wrappers for NSCursor, based on an Apple example
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//
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#include "cursors.h"
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#include <Cocoa/Cocoa.h>
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#include <string>
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#include "restypes.hpp"
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extern cursor_type current_cursor;
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static NSImage* imageFromURL(CFURLRef url){
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CGImageSourceRef imageSource = CGImageSourceCreateWithURL(url, NULL);
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CGImageRef theImage = nil;
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if(imageSource == nil) return nil;
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theImage = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL);
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if(theImage == nil) return nil;
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CFRelease( imageSource );
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NSRect imageRect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
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// Get the image dimensions.
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imageRect.size.height = CGImageGetHeight(theImage);
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imageRect.size.width = CGImageGetWidth(theImage);
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// Create a new image to receive the Quartz image data.
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NSImage *newImage = [[NSImage alloc] initWithSize:imageRect.size];
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[newImage lockFocus];
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// Get the Quartz context and draw.
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CGContextRef imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
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CGContextDrawImage(imageContext, *(CGRect*)&imageRect, theImage);
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[newImage unlockFocus];
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return newImage;
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}
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Cursor::Cursor(fs::path path, float hotSpotX, float hotSpotY){
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FSRef ref;
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FSPathMakeRef((UInt8*)path.c_str(), &ref, NULL);
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CFURLRef imgPath = CFURLCreateFromFSRef(NULL, &ref);
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NSImage *img = imageFromURL(imgPath);
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NSCursor *cursor = [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(hotSpotX, hotSpotY)];
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[img release];
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ptr = cursor;
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}
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Cursor::~Cursor(){
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[(NSCursor*)ptr release];
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}
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void Cursor::apply(){
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[(NSCursor*)ptr set];
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}
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void obscureCursor() {
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[NSCursor setHiddenUntilMouseMoves: YES];
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}
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void set_cursor(cursor_type which_c) {
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if(which_c != watch_curs)
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current_cursor = which_c;
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if(which_c == text_curs) {
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[[NSCursor IBeamCursor] set];
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} else {
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Cursor& curs = *ResMgr::get<CursorRsrc>(cursors[which_c]);
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curs.apply();
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}
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}
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void restore_cursor(){
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set_cursor(current_cursor);
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}
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