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vinci-cocoa.m
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432
vinci-cocoa.m
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/*
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* Vinci
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*
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* Copyright (C) 2025 Orastron Srl unipersonale
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*
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* Vinci is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* Vinci is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Vinci. If not, see <http://www.gnu.org/licenses/>.
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*
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* File author: Paolo Marrone
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*/
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#include "vinci.h"
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#include <stdint.h>
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#import <Cocoa/Cocoa.h>
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@interface VinciView : NSView
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{
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NSTrackingArea *tracking;
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@public window *win;
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}
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@end
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@interface VinciViewController : NSViewController
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{
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@public window *win;
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}
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@property (nonatomic, strong) VinciView *vinciView;
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@end
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struct vinci {
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window *windows;
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NSApplication *app;
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NSAutoreleasePool *pool;
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char standalone; // If any view has a parent, it is not standalone
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};
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struct window {
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vinci *g;
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window *next;
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NSWindow *nswindow;
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VinciView *view;
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VinciViewController *controller;
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unsigned char *img;
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NSImage *nsImage;
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void *data;
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window_cbs cbs;
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NSRect default_frame;
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};
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static uint32_t get_mouse_state(NSEvent* e) {
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(void) e;
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return (uint32_t) [NSEvent pressedMouseButtons];
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}
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@implementation VinciView
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- (void) updateTrackingAreas {
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[self removeTrackingArea];
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tracking = [[NSTrackingArea alloc] initWithRect:[self bounds]
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options:NSTrackingActiveAlways | NSTrackingInVisibleRect | NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved
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owner:self
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userInfo:nil];
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[self addTrackingArea:tracking];
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[super updateTrackingAreas];
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}
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- (void) removeTrackingArea {
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if (tracking) {
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[super removeTrackingArea:tracking];
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[tracking release];
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tracking = 0;
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}
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}
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- (void) mouseDown : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_press)
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w->cbs.on_mouse_press(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) mouseUp : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_release)
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w->cbs.on_mouse_release(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) mouseMoved : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_move)
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w->cbs.on_mouse_move(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) rightMouseDown : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_press)
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w->cbs.on_mouse_press(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) rightMouseUp : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_release)
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w->cbs.on_mouse_release(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) rightMouseDragged : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_move)
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w->cbs.on_mouse_move(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) otherMouseDown : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_press)
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w->cbs.on_mouse_press(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) otherMouseUp : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_release)
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w->cbs.on_mouse_release(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) otherMouseDragged : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_move)
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w->cbs.on_mouse_move(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) mouseDragged : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = [self convertPoint:[e locationInWindow] fromView:nil];
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if (w->cbs.on_mouse_move)
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w->cbs.on_mouse_move(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) mouseEntered : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = e.locationInWindow;
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if (w->cbs.on_mouse_enter)
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w->cbs.on_mouse_enter(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) mouseExited : (NSEvent *) e {
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window *w = self->win;
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NSPoint p = e.locationInWindow;
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if (w->cbs.on_mouse_leave)
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w->cbs.on_mouse_leave(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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}
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- (void) keyDown : (NSEvent *) e {
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//window *w = self->win;
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//NSPoint p = e.locationInWindow;
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//on_key_press(w, (int32_t)p.x, self.frame.size.height - (int32_t)p.y, get_mouse_state(e));
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// TODO
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}
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- (void) keyUp : (NSEvent *) e {
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//window *w = self->win;
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//NSPoint p = e.locationInWindow;
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// TODO
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}
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// custom
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- (void) vinci_resized {
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window *w = self->win;
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NSSize size = [w->view bounds].size;
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w->img = (unsigned char*)realloc(w->img, (uint32_t) (size.width * size.height) * 4);
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if (w->cbs.on_window_resize)
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w->cbs.on_window_resize(w, size.width, size.height);
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[self setNeedsDisplay:YES];
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}
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- (void)removeFromSuperview {
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[super removeFromSuperview];
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window *w = self->win;
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if (w->cbs.on_window_close)
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w->cbs.on_window_close(w);
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}
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// Custom method for standalone application
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- (void)windowWillClose:(NSNotification *)notification {
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window *w = self->win;
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if (w->cbs.on_window_close)
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w->cbs.on_window_close(w);
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}
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- (void) drawRect:(NSRect) r {
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[self->win->nsImage drawInRect:r fromRect:r operation:NSCompositingOperationCopy fraction:1.0];
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}
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@end
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@implementation VinciViewController
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- (void)loadView {
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self.vinciView = [[VinciView alloc] initWithFrame:self->win->default_frame];
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self.view = self.vinciView;
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}
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- (void)viewDidLayout {
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[super viewDidLayout];
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[self.vinciView vinci_resized];
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}
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@end
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vinci* vinci_new(void) {
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vinci *g = (vinci*) malloc(sizeof(vinci));
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if (g == NULL)
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return NULL;
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g->windows = NULL;
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g->pool = [[NSAutoreleasePool alloc] init];
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g->app = [NSApplication sharedApplication];
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//[g->app setActivationPolicy:NSApplicationActivationPolicyRegular]; // TODO: check if this is a problem when not standalone
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g->standalone = 1;
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return g;
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}
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void vinci_destroy(vinci *g) {
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free(g);
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}
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void vinci_idle(vinci *g) {
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(void) g;
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NSApplication *app = [NSApplication sharedApplication];
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NSDate *expiration = [NSDate now];
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while (true) {
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NSEvent *event = [app nextEventMatchingMask:NSEventMaskAny
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untilDate:expiration
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inMode:NSDefaultRunLoopMode
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dequeue:YES];
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if (!event)
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break;
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[app sendEvent:event];
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}
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}
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window* window_new(vinci *g, void *parent, uint32_t width, uint32_t height, window_cbs *cbs) {
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window *ret = (window*) malloc(sizeof(window));
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if (ret == NULL)
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return NULL;
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ret->default_frame = NSMakeRect(0, 0, width, height);
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VinciViewController *controller = [[VinciViewController alloc] init];
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controller->win = ret;
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VinciView *view = (VinciView*) controller.view;
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view->win = ret;
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ret->g = g;
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ret->view = view;
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ret->controller = controller;
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if (parent) {
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[((NSView*)parent) addSubview:view positioned:NSWindowAbove relativeTo:nil];
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ret->nswindow = [(NSView*)parent window];
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g->standalone = 0;
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}
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else {
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int style = NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskTitled | NSWindowStyleMaskMiniaturizable;
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ret->nswindow = [[NSWindow alloc] initWithContentRect:ret->default_frame
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styleMask:style
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backing:NSBackingStoreBuffered
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defer:NO];
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[ret->nswindow setTitle:@"Vinci window"];
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[ret->nswindow setContentView:view];
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[[NSNotificationCenter defaultCenter] addObserver:view
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selector:@selector(windowWillClose:)
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name:NSWindowWillCloseNotification
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object:ret->nswindow];
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}
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ret->img = (unsigned char*) malloc(width * height * 4);
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ret->data = NULL;
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ret->nsImage = NULL;
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ret->next = NULL;
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ret->cbs = *cbs;
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[view autorelease];
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if (g->windows == NULL)
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g->windows = ret;
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else {
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window *cur = g->windows;
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while (cur->next != NULL)
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cur = cur->next;
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cur->next = ret;
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}
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return ret;
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}
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void window_free(window *w) {
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if (w->g->windows == w) {
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w->g->windows = w->next;
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}
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else {
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window *cur = w->g->windows;
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while (cur != NULL && cur->next != w)
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cur = cur->next;
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if (cur == NULL)
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return;
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cur->next = w->next;
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}
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[w->view removeTrackingArea];
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free(w->img);
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free(w);
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}
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void window_draw(window *w, unsigned char *img, int32_t dx, int32_t dy, int32_t dw, int32_t dh, int32_t wx, int32_t wy, int32_t width, int32_t height) {
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if (w->img == NULL)
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return;
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NSSize size = [w->view bounds].size;
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uint32_t iw = wy * size.width + wx;
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uint32_t o = dy * dw + dx;
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uint32_t p1 = dw;
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uint32_t p2 = size.width;
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for (int32_t y = dy; y < dy + height && y < dh; y++) {
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memcpy(w->img + iw * 4, img + o * 4, width * 4);
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iw += p2;
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o += p1;
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}
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CGDataProviderRef provider = CGDataProviderCreateWithData(
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NULL, // void *info
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w->img, // const void *data
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size.width * size.height * 4, // size_t size
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NULL // CGDataProviderReleaseDataCallback releaseData
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);
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CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
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CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault;
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CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;
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CGImageRef imageRef = CGImageCreate(
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size.width, // size_t width
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size.height, // size_t height
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8, // size_t bitsPerComponent
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4 * 8, // size_t bitsPerPixel
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size.width * 4, // size_t bytesPerRow
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colorSpaceRef, // CGColorSpaceRef space
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bitmapInfo, // CGBitmapInfo bitmapInfo
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provider, // CGDataProviderRef provider
|
||||||
|
NULL, // const CGFloat *decode
|
||||||
|
NO, // bool shouldInterpolate
|
||||||
|
renderingIntent // CGColorRenderingIntent intent
|
||||||
|
);
|
||||||
|
|
||||||
|
NSImage* image = [[NSImage alloc] initWithCGImage: imageRef size:NSZeroSize];
|
||||||
|
[w->nsImage release];
|
||||||
|
w->nsImage = image;
|
||||||
|
|
||||||
|
[w->view setNeedsDisplayInRect:NSMakeRect(wx, size.height - (wy + height), width, height)];
|
||||||
|
|
||||||
|
CGDataProviderRelease(provider);
|
||||||
|
CGColorSpaceRelease(colorSpaceRef);
|
||||||
|
CGImageRelease(imageRef);
|
||||||
|
}
|
||||||
|
|
||||||
|
void window_resize (window *w, uint32_t width, uint32_t height) {
|
||||||
|
NSSize newSize = NSMakeSize(width, height);
|
||||||
|
[w->view setFrameSize:newSize]; // TODO: this sends NSViewFrameDidChangeNotification, we should handle that instead in 1 place
|
||||||
|
w->img = (unsigned char*)realloc(w->img, width * height * 4);
|
||||||
|
w->view.needsDisplay = YES;
|
||||||
|
if (w->cbs.on_window_resize)
|
||||||
|
w->cbs.on_window_resize(w, width, height); // view should be automatically informed
|
||||||
|
}
|
||||||
|
|
||||||
|
void window_move(window *w, uint32_t x, uint32_t y) {
|
||||||
|
(void) w;
|
||||||
|
(void) x;
|
||||||
|
(void) y;
|
||||||
|
}
|
||||||
|
|
||||||
|
void* window_get_handle(window *w) {
|
||||||
|
return w->view;
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t window_get_width(window *w) {
|
||||||
|
return [w->view bounds].size.width;
|
||||||
|
}
|
||||||
|
uint32_t window_get_height(window *w) {
|
||||||
|
return [w->view bounds].size.height;
|
||||||
|
}
|
||||||
|
|
||||||
|
void window_show(window *w) {
|
||||||
|
// Can we? nswindow comes from outside
|
||||||
|
[w->nswindow setIsVisible:YES];
|
||||||
|
}
|
||||||
|
|
||||||
|
void window_hide(window *w) {
|
||||||
|
(void) w;
|
||||||
|
//[w->nswindow setIsVisible:NO];
|
||||||
|
}
|
||||||
|
|
||||||
|
void window_set_data(window *w, void *data) {
|
||||||
|
w->data = data;
|
||||||
|
}
|
||||||
|
|
||||||
|
void *window_get_data(window *w) {
|
||||||
|
return w->data;
|
||||||
|
}
|
||||||
4
vinci.h
4
vinci.h
@ -44,7 +44,7 @@ typedef struct window_cbs {
|
|||||||
|
|
||||||
vinci* vinci_new (void);
|
vinci* vinci_new (void);
|
||||||
void vinci_destroy (vinci *g);
|
void vinci_destroy (vinci *g);
|
||||||
void vinci_idle (vinci *g);
|
void vinci_idle (vinci *g); // Non blocking: call it repeatedly with a timer
|
||||||
window* window_new (vinci *g, void* p, uint32_t width, uint32_t height, window_cbs *cbs);
|
window* window_new (vinci *g, void* p, uint32_t width, uint32_t height, window_cbs *cbs);
|
||||||
void window_free (window *w);
|
void window_free (window *w);
|
||||||
void window_draw (window *w, unsigned char *data, int32_t dx, int32_t dy, int32_t dw, int32_t dh, int32_t wx, int32_t wy, int32_t width, int32_t height);
|
void window_draw (window *w, unsigned char *data, int32_t dx, int32_t dy, int32_t dw, int32_t dh, int32_t wx, int32_t wy, int32_t width, int32_t height);
|
||||||
@ -58,4 +58,4 @@ void window_hide (window *w);
|
|||||||
void window_set_data (window *w, void *data);
|
void window_set_data (window *w, void *data);
|
||||||
void* window_get_data (window *w);
|
void* window_get_data (window *w);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user