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demos: Make the demos work in the macOS build.
This commit is contained in:
Henri Verbeet
Notes:
Henri Verbeet
2025-05-06 19:05:45 +02:00
Approved-by: Henri Verbeet (@hverbeet) Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1482
310
demos/demo_macos.h
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310
demos/demo_macos.h
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/*
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* Copyright 2025 Henri Verbeet
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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typedef long NSInteger;
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typedef unsigned long NSUInteger;
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typedef struct NSPoint
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{
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double x, y;
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} NSPoint;
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typedef struct NSRect
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{
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double x, y;
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double w, h;
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} NSRect;
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#define BOOL OBJC_BOOL
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#include "private/appkit.h"
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#include "private/foundation.h"
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#include "private/quartzcore.h"
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#undef BOOL
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extern const id NSDefaultRunLoopMode;
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enum NSBackingStoreType
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{
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NSBackingStoreBuffered = 2,
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};
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enum NSEventType
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{
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NSEventTypeKeyDown = 0xa,
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NSEventTypeApplicationDefined = 0xf,
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};
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enum NSWindowStyleMask
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{
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NSWindowStyleMaskBorderless = 0x0000,
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NSWindowStyleMaskTitled = 0x0001,
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NSWindowStyleMaskClosable = 0x0002,
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NSWindowStyleMaskMiniaturizable = 0x0004,
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NSWindowStyleMaskResizable = 0x0008,
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NSWindowStyleMaskUtilityWindow = 0x0010,
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NSWindowStyleMaskDocModalWindow = 0x0040,
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NSWindowStyleMaskNonactivatingPanel = 0x0080,
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NSWindowStyleMaskUnifiedTitleAndToolbar = 0x1000,
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NSWindowStyleMaskHUDWindow = 0x2000,
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NSWindowStyleMaskFullScreen = 0x4000,
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NSWindowStyleMaskFullSizeContentView = 0x8000,
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};
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enum
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{
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DemoWindowDestroyed,
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};
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struct demo_window_macos
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{
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struct demo_window w;
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id window;
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id layer;
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};
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static struct demo_window_macos *demo_macos_find_macos_window(struct demo *demo, id window)
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{
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size_t i;
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for (i = 0; i < demo->window_count; ++i)
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{
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struct demo_window_macos *window_macos = CONTAINING_RECORD(demo->windows[i], struct demo_window_macos, w);
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if (window_macos->window == window)
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return window_macos;
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}
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return NULL;
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}
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static VkSurfaceKHR demo_window_macos_create_vk_surface(struct demo_window *window, VkInstance vk_instance)
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{
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struct demo_window_macos *window_macos = CONTAINING_RECORD(window, struct demo_window_macos, w);
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struct VkMetalSurfaceCreateInfoEXT surface_desc;
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VkSurfaceKHR vk_surface;
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id l, v;
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l = window_macos->layer = CAMetalLayer_layer();
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CAMetalLayer_setContentsScale(l, NSScreen_backingScaleFactor(NSScreen_mainScreen()));
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v = NSWindow_contentView(window_macos->window);
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NSView_setLayer(v, l);
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NSView_setWantsLayer(v, true);
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surface_desc.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT;
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surface_desc.pNext = NULL;
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surface_desc.flags = 0;
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surface_desc.pLayer = l;
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if (vkCreateMetalSurfaceEXT(vk_instance, &surface_desc, NULL, &vk_surface) < 0)
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return VK_NULL_HANDLE;
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return vk_surface;
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}
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static void demo_window_macos_destroy(struct demo_window *window)
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{
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struct demo_window_macos *window_macos = CONTAINING_RECORD(window, struct demo_window_macos, w);
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NSWindow_close(window_macos->window);
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}
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static void demo_window_macos_destroyed(struct demo_window_macos *window_macos)
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{
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CAMetalLayer_release(window_macos->layer);
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NSWindow_release(window_macos->window);
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demo_window_cleanup(&window_macos->w);
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free(window_macos);
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}
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static struct demo_window *demo_window_macos_create(struct demo *demo,
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const char *title, unsigned int width, unsigned int height, void *user_data)
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{
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unsigned long style = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable;
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struct demo_window_macos *window_macos;
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NSRect r = {0, 0, width, height};
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double scale;
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id w, s;
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if (!(window_macos = malloc(sizeof(*window_macos))))
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return NULL;
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if (!demo_window_init(&window_macos->w, demo, user_data,
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demo_window_macos_create_vk_surface, demo_window_macos_destroy))
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{
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free(window_macos);
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return NULL;
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}
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s = NSScreen_mainScreen();
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scale = NSScreen_backingScaleFactor(s);
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r.w /= scale;
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r.h /= scale;
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w = window_macos->window = class_createInstance(objc_getClass("DemoWindow"), 0);
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NSWindow_initWithContentRect(w, r, style, NSBackingStoreBuffered, true, s);
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NSWindow_setReleasedWhenClosed(w, false);
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NSWindow_setDelegate(w, w);
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NSWindow_center(w);
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NSWindow_setTitle(w, NSString_stringWithUTF8String(title));
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NSWindow_makeKeyAndOrderFront(w, nil);
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window_macos->layer = nil;
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return &window_macos->w;
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}
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static void demo_macos_get_dpi(struct demo *demo, double *dpi_x, double *dpi_y)
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{
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*dpi_x = *dpi_y = 96.0 * NSScreen_backingScaleFactor(NSScreen_mainScreen());
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}
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static demo_key demo_key_from_nsevent(id event)
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{
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enum vkey
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{
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kVK_ANSI_A = 0x00,
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kVK_Escape = 0x35,
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kVK_LeftArrow = 0x7b,
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kVK_RightArrow = 0x7c,
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kVK_DownArrow = 0x7d,
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kVK_UpArrow = 0x7e,
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} vkey;
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size_t i;
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static const struct
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{
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enum vkey vkey;
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demo_key demo_key;
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}
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lookup[] =
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{
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{kVK_ANSI_A, 'a'},
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{kVK_Escape, DEMO_KEY_ESCAPE},
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{kVK_LeftArrow, DEMO_KEY_LEFT},
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{kVK_RightArrow, DEMO_KEY_RIGHT},
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{kVK_UpArrow, DEMO_KEY_UP},
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{kVK_DownArrow, DEMO_KEY_DOWN},
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};
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vkey = NSEvent_keyCode(event);
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for (i = 0; i < ARRAY_SIZE(lookup); ++i)
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{
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if (lookup[i].vkey == vkey)
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return lookup[i].demo_key;
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}
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return DEMO_KEY_UNKNOWN;
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}
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static void demo_macos_process_events(struct demo *demo)
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{
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struct demo_window_macos *window_macos;
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struct demo_window *window;
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id a, event;
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size_t i;
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for (i = 0; i < demo->window_count; ++i)
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{
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if ((window = demo->windows[i])->expose_func)
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window->expose_func(window, window->user_data);
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}
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a = NSApplication_sharedApplication();
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while (demo->window_count)
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{
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if (!demo->idle_func)
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{
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if (!(event = NSApplication_nextEventMatchingMask(a, ~(uint64_t)0,
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NSDate_distantFuture(), NSDefaultRunLoopMode, true)))
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break;
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}
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else if (!(event = NSApplication_nextEventMatchingMask(a, ~(uint64_t)0, nil, NSDefaultRunLoopMode, true)))
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{
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demo->idle_func(demo, demo->user_data);
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continue;
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}
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switch (NSEvent_type(event))
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{
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case NSEventTypeKeyDown:
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if (NSMenu_performKeyEquivalent(NSApplication_mainMenu(a), event))
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continue;
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if (!(window_macos = demo_macos_find_macos_window(demo, NSEvent_window(event)))
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|| !window_macos->w.key_press_func)
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break;
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window_macos->w.key_press_func(&window_macos->w,
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demo_key_from_nsevent(event), window_macos->w.user_data);
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continue;
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case NSEventTypeApplicationDefined:
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if (NSEvent_subtype(event) != DemoWindowDestroyed
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|| !(window_macos = demo_macos_find_macos_window(demo, NSEvent_window(event))))
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break;
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demo_window_macos_destroyed(window_macos);
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continue;
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}
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NSApplication_sendEvent(a, event);
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}
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}
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static void DemoWindow_windowWillClose(id window, SEL sel, id notification)
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{
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id event;
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event = NSEvent_otherEventWithType(NSEventTypeApplicationDefined, (NSPoint){0.0, 0.0},
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0, 0.0, NSWindow_windowNumber(window), nil, DemoWindowDestroyed, 0, 0);
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NSApplication_postEvent(NSApplication_sharedApplication(), event, true);
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}
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static void demo_macos_cleanup(struct demo *demo)
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{
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}
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static bool demo_macos_init(struct demo_macos *macos)
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{
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id application, item, menu, submenu;
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Class c;
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if ((c = objc_allocateClassPair(objc_getClass("NSWindow"), "DemoWindow", 0)))
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{
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class_addMethod(c, sel_registerName("windowWillClose:"), (IMP)DemoWindow_windowWillClose, "v@:@");
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objc_registerClassPair(c);
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}
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application = NSApplication_sharedApplication();
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NSApplication_setActivationPolicy(application, 0);
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menu = NSMenu_new();
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submenu = NSMenu_new();
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NSMenu_addItemWithTitle(submenu, NSString_stringWithUTF8String("Quit"),
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sel_registerName("terminate:"), NSString_stringWithUTF8String("q"));
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item = NSMenuItem_new();
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NSMenuItem_setSubmenu(item, submenu);
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NSMenu_release(submenu);
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NSMenu_addItem(menu, item);
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NSMenuItem_release(item);
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NSApplication_setMainMenu(application, menu);
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NSMenu_release(menu);
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NSApplication_finishLaunching(application);
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return true;
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}
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