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-rw-r--r--src/platform/cocoa/api.h47
-rw-r--r--src/platform/cocoa/keycodes.h130
-rw-r--r--src/platform/cocoa/keymap.c128
-rw-r--r--src/platform/cocoa/keymap.h8
-rw-r--r--src/platform/cocoa/meson.build1
-rw-r--r--src/platform/cocoa/window.m2227
6 files changed, 2541 insertions, 0 deletions
diff --git a/src/platform/cocoa/api.h b/src/platform/cocoa/api.h
new file mode 100644
index 0000000..802a039
--- /dev/null
+++ b/src/platform/cocoa/api.h
@@ -0,0 +1,47 @@
+#ifndef YASL_COCOA_API_H
+#define YASL_COCOA_API_H
+
+#include "common/backend.h"
+
+struct cocoa_display;
+struct cocoa_surface;
+
+struct cocoa_display *cocoa_display_open(struct yasl_loop *loop, const struct yasl_display_spec *spec);
+void cocoa_display_close(struct cocoa_display *d);
+uint32_t cocoa_display_caps(const struct cocoa_display *d);
+int cocoa_display_dispatch_timeout(struct cocoa_display *d, int timeout_ms);
+void cocoa_display_flush(struct cocoa_display *d);
+int cocoa_display_modifiers(const struct cocoa_display *d);
+void cocoa_display_copy(struct cocoa_display *d, enum yasl_selection sel, const char *text);
+void cocoa_display_paste(struct cocoa_display *d, enum yasl_selection sel, struct cocoa_surface *target);
+bool cocoa_display_drag_start(struct cocoa_display *d, struct cocoa_surface *origin, const struct yasl_drag_image *image, const struct yasl_drag_listener *l, void *ud);
+void cocoa_display_drag_cancel(struct cocoa_display *d);
+struct cocoa_surface *cocoa_surface_create_toplevel(struct cocoa_display *d,
+ const struct yasl_window_spec *spec, void *graphics_device);
+struct cocoa_surface *cocoa_surface_create_popup(struct cocoa_surface *parent, const struct yasl_popup_spec *spec);
+bool cocoa_surface_popup_reposition(struct cocoa_surface *popup, const struct yasl_popup_spec *spec);
+void cocoa_surface_destroy(struct cocoa_surface *s);
+struct cocoa_display *cocoa_surface_display(const struct cocoa_surface *s);
+void cocoa_surface_set_callbacks(struct cocoa_surface *s, const struct yasl_window_cbs *cbs, void *ud);
+void cocoa_surface_set_title(struct cocoa_surface *s, const char *title);
+void cocoa_surface_schedule_redraw(struct cocoa_surface *s);
+bool cocoa_surface_present(struct cocoa_surface *s, const struct yasl_framebuffer *fb, const struct yasl_damage_list *damage);
+bool cocoa_surface_input_poll(struct cocoa_surface *s, struct yasl_input_event *ev);
+struct yasl_geometry cocoa_surface_geometry(const struct cocoa_surface *s);
+uint32_t cocoa_surface_state(const struct cocoa_surface *s);
+struct yasl_timing cocoa_surface_timing(const struct cocoa_surface *s);
+uint64_t cocoa_surface_frame_time_ns(struct cocoa_surface *s, uint64_t now);
+void cocoa_surface_set_cursor(struct cocoa_surface *s, enum yasl_cursor cursor);
+void cocoa_surface_set_background_color(struct cocoa_surface *s, uint32_t bg);
+const char *cocoa_surface_ime_preedit(const struct cocoa_surface *s);
+bool cocoa_surface_ime_preedit_cursor(const struct cocoa_surface *s, int *begin, int *end);
+void cocoa_surface_set_ime_caret(struct cocoa_surface *s, struct yasl_rect2i caret);
+bool cocoa_surface_start_interactive_move(struct cocoa_surface *s);
+bool cocoa_surface_start_interactive_resize(struct cocoa_surface *s, enum yasl_resize_edge edge);
+bool cocoa_surface_show_window_menu(struct cocoa_surface *s, struct yasl_vector2i pos);
+bool cocoa_surface_drag_carry(struct cocoa_surface *s, struct yasl_vector2i offset);
+bool cocoa_surface_place_under_pointer(struct cocoa_surface *s, struct yasl_vector2i at);
+void *cocoa_display_get_native_handle(struct cocoa_display *d);
+void *cocoa_surface_get_native_handle(struct cocoa_surface *s);
+
+#endif
diff --git a/src/platform/cocoa/keycodes.h b/src/platform/cocoa/keycodes.h
new file mode 100644
index 0000000..f3c06be
--- /dev/null
+++ b/src/platform/cocoa/keycodes.h
@@ -0,0 +1,130 @@
+#ifndef SURFACE_DARWIN_KEYCODES_H
+#define SURFACE_DARWIN_KEYCODES_H
+
+/* Virtual keycodes for standard physical keys on macOS. */
+enum {
+ kVK_ANSI_A = 0x00,
+ kVK_ANSI_S = 0x01,
+ kVK_ANSI_D = 0x02,
+ kVK_ANSI_F = 0x03,
+ kVK_ANSI_H = 0x04,
+ kVK_ANSI_G = 0x05,
+ kVK_ANSI_Z = 0x06,
+ kVK_ANSI_X = 0x07,
+ kVK_ANSI_C = 0x08,
+ kVK_ANSI_V = 0x09,
+ kVK_ANSI_B = 0x0B,
+ kVK_ANSI_Q = 0x0C,
+ kVK_ANSI_W = 0x0D,
+ kVK_ANSI_E = 0x0E,
+ kVK_ANSI_R = 0x0F,
+ kVK_ANSI_Y = 0x10,
+ kVK_ANSI_T = 0x11,
+ kVK_ANSI_1 = 0x12,
+ kVK_ANSI_2 = 0x13,
+ kVK_ANSI_3 = 0x14,
+ kVK_ANSI_4 = 0x15,
+ kVK_ANSI_6 = 0x16,
+ kVK_ANSI_5 = 0x17,
+ kVK_ANSI_Equal = 0x18,
+ kVK_ANSI_9 = 0x19,
+ kVK_ANSI_7 = 0x1A,
+ kVK_ANSI_Minus = 0x1B,
+ kVK_ANSI_8 = 0x1C,
+ kVK_ANSI_0 = 0x1D,
+ kVK_ANSI_RightBracket = 0x1E,
+ kVK_ANSI_O = 0x1F,
+ kVK_ANSI_U = 0x20,
+ kVK_ANSI_LeftBracket = 0x21,
+ kVK_ANSI_I = 0x22,
+ kVK_ANSI_P = 0x23,
+ kVK_ANSI_L = 0x25,
+ kVK_ANSI_J = 0x26,
+ kVK_ANSI_Quote = 0x27,
+ kVK_ANSI_K = 0x28,
+ kVK_ANSI_Semicolon = 0x29,
+ kVK_ANSI_Backslash = 0x2A,
+ kVK_ANSI_Comma = 0x2B,
+ kVK_ANSI_Slash = 0x2C,
+ kVK_ANSI_N = 0x2D,
+ kVK_ANSI_M = 0x2E,
+ kVK_ANSI_Period = 0x2F,
+ kVK_ANSI_Grave = 0x32,
+ kVK_ANSI_KeypadDecimal = 0x41,
+ kVK_ANSI_KeypadMultiply = 0x43,
+ kVK_ANSI_KeypadPlus = 0x45,
+ kVK_ANSI_KeypadClear = 0x47,
+ kVK_ANSI_KeypadDivide = 0x4B,
+ kVK_ANSI_KeypadEnter = 0x4C,
+ kVK_ANSI_KeypadMinus = 0x4E,
+ kVK_ANSI_KeypadEquals = 0x51,
+ kVK_ANSI_Keypad0 = 0x52,
+ kVK_ANSI_Keypad1 = 0x53,
+ kVK_ANSI_Keypad2 = 0x54,
+ kVK_ANSI_Keypad3 = 0x55,
+ kVK_ANSI_Keypad4 = 0x56,
+ kVK_ANSI_Keypad5 = 0x57,
+ kVK_ANSI_Keypad6 = 0x58,
+ kVK_ANSI_Keypad7 = 0x59,
+ kVK_ANSI_Keypad8 = 0x5B,
+ kVK_ANSI_Keypad9 = 0x5C,
+
+ kVK_Return = 0x24,
+ kVK_Tab = 0x30,
+ kVK_Space = 0x31,
+ kVK_Delete = 0x33,
+ kVK_Escape = 0x35,
+ kVK_Command = 0x37,
+ kVK_Shift = 0x38,
+ kVK_CapsLock = 0x39,
+ kVK_Option = 0x3A,
+ kVK_Control = 0x3B,
+ kVK_RightCommand = 0x36,
+ kVK_RightShift = 0x3C,
+ kVK_RightOption = 0x3D,
+ kVK_RightControl = 0x3E,
+ kVK_Function = 0x3F,
+ kVK_F17 = 0x40,
+ kVK_VolumeUp = 0x48,
+ kVK_VolumeDown = 0x49,
+ kVK_Mute = 0x4A,
+ kVK_F18 = 0x4F,
+ kVK_F19 = 0x50,
+ kVK_F20 = 0x5A,
+ kVK_F5 = 0x60,
+ kVK_F6 = 0x61,
+ kVK_F7 = 0x62,
+ kVK_F3 = 0x63,
+ kVK_F8 = 0x64,
+ kVK_F9 = 0x65,
+ kVK_F11 = 0x67,
+ kVK_F13 = 0x69,
+ kVK_F16 = 0x6A,
+ kVK_F14 = 0x6B,
+ kVK_F10 = 0x6D,
+ kVK_ContextualMenu = 0x6E,
+ kVK_F12 = 0x6F,
+ kVK_F15 = 0x71,
+ kVK_Help = 0x72,
+ kVK_Home = 0x73,
+ kVK_PageUp = 0x74,
+ kVK_ForwardDelete = 0x75,
+ kVK_F4 = 0x76,
+ kVK_End = 0x77,
+ kVK_F2 = 0x78,
+ kVK_PageDown = 0x79,
+ kVK_F1 = 0x7A,
+ kVK_LeftArrow = 0x7B,
+ kVK_RightArrow = 0x7C,
+ kVK_DownArrow = 0x7D,
+ kVK_UpArrow = 0x7E,
+
+ kVK_ISO_Section = 0x0A,
+ kVK_JIS_Yen = 0x5D,
+ kVK_JIS_Underscore = 0x5E,
+ kVK_JIS_KeypadComma = 0x5F,
+ kVK_JIS_Eisu = 0x66,
+ kVK_JIS_Kana = 0x68,
+};
+
+#endif
diff --git a/src/platform/cocoa/keymap.c b/src/platform/cocoa/keymap.c
new file mode 100644
index 0000000..b81c364
--- /dev/null
+++ b/src/platform/cocoa/keymap.c
@@ -0,0 +1,128 @@
+#include "keymap.h"
+#include "keycodes.h"
+
+enum yasl_key yasl_key_from_cocoa(uint32_t code)
+{
+ switch (code) {
+ case kVK_ANSI_A: return YASL_KEY_A;
+ case kVK_ANSI_B: return YASL_KEY_B;
+ case kVK_ANSI_C: return YASL_KEY_C;
+ case kVK_ANSI_D: return YASL_KEY_D;
+ case kVK_ANSI_E: return YASL_KEY_E;
+ case kVK_ANSI_F: return YASL_KEY_F;
+ case kVK_ANSI_G: return YASL_KEY_G;
+ case kVK_ANSI_H: return YASL_KEY_H;
+ case kVK_ANSI_I: return YASL_KEY_I;
+ case kVK_ANSI_J: return YASL_KEY_J;
+ case kVK_ANSI_K: return YASL_KEY_K;
+ case kVK_ANSI_L: return YASL_KEY_L;
+ case kVK_ANSI_M: return YASL_KEY_M;
+ case kVK_ANSI_N: return YASL_KEY_N;
+ case kVK_ANSI_O: return YASL_KEY_O;
+ case kVK_ANSI_P: return YASL_KEY_P;
+ case kVK_ANSI_Q: return YASL_KEY_Q;
+ case kVK_ANSI_R: return YASL_KEY_R;
+ case kVK_ANSI_S: return YASL_KEY_S;
+ case kVK_ANSI_T: return YASL_KEY_T;
+ case kVK_ANSI_U: return YASL_KEY_U;
+ case kVK_ANSI_V: return YASL_KEY_V;
+ case kVK_ANSI_W: return YASL_KEY_W;
+ case kVK_ANSI_X: return YASL_KEY_X;
+ case kVK_ANSI_Y: return YASL_KEY_Y;
+ case kVK_ANSI_Z: return YASL_KEY_Z;
+ case kVK_ANSI_0: return YASL_KEY_0;
+ case kVK_ANSI_1: return YASL_KEY_1;
+ case kVK_ANSI_2: return YASL_KEY_2;
+ case kVK_ANSI_3: return YASL_KEY_3;
+ case kVK_ANSI_4: return YASL_KEY_4;
+ case kVK_ANSI_5: return YASL_KEY_5;
+ case kVK_ANSI_6: return YASL_KEY_6;
+ case kVK_ANSI_7: return YASL_KEY_7;
+ case kVK_ANSI_8: return YASL_KEY_8;
+ case kVK_ANSI_9: return YASL_KEY_9;
+ case kVK_Return: return YASL_KEY_ENTER;
+ case kVK_Tab: return YASL_KEY_TAB;
+ case kVK_Space: return YASL_KEY_SPACE;
+ case kVK_Escape: return YASL_KEY_ESCAPE;
+ case kVK_Home: return YASL_KEY_HOME;
+ case kVK_End: return YASL_KEY_END;
+ case kVK_Delete: return YASL_KEY_BACKSPACE;
+ case kVK_ForwardDelete: return YASL_KEY_DELETE;
+ case kVK_PageUp: return YASL_KEY_PAGE_UP;
+ case kVK_PageDown: return YASL_KEY_PAGE_DOWN;
+ case kVK_Help: return YASL_KEY_INSERT;
+ case kVK_LeftArrow: return YASL_KEY_LEFT;
+ case kVK_RightArrow: return YASL_KEY_RIGHT;
+ case kVK_DownArrow: return YASL_KEY_DOWN;
+ case kVK_UpArrow: return YASL_KEY_UP;
+ case kVK_Command: return YASL_KEY_LEFT_SUPER;
+ case kVK_Shift: return YASL_KEY_LEFT_SHIFT;
+ case kVK_CapsLock: return YASL_KEY_CAPS_LOCK;
+ case kVK_Option: return YASL_KEY_LEFT_ALT;
+ case kVK_Control: return YASL_KEY_LEFT_CONTROL;
+ case kVK_RightCommand: return YASL_KEY_RIGHT_SUPER;
+ case kVK_RightShift: return YASL_KEY_RIGHT_SHIFT;
+ case kVK_RightOption: return YASL_KEY_RIGHT_ALT;
+ case kVK_RightControl: return YASL_KEY_RIGHT_CONTROL;
+ case kVK_ContextualMenu: return YASL_KEY_MENU;
+ case kVK_VolumeUp: return YASL_KEY_VOLUME_UP;
+ case kVK_VolumeDown: return YASL_KEY_VOLUME_DOWN;
+ case kVK_Mute: return YASL_KEY_MUTE;
+ case kVK_ISO_Section: return YASL_KEY_ISO_BACKSLASH;
+ case kVK_JIS_Yen: return YASL_KEY_YEN;
+ case kVK_JIS_Underscore: return YASL_KEY_RO;
+ case kVK_JIS_Eisu: return YASL_KEY_EISU;
+ case kVK_JIS_Kana: return YASL_KEY_KANA;
+ case kVK_JIS_KeypadComma: return YASL_KEY_KP_COMMA;
+ case kVK_ANSI_Equal: return YASL_KEY_EQUAL;
+ case kVK_ANSI_Minus: return YASL_KEY_MINUS;
+ case kVK_ANSI_LeftBracket: return YASL_KEY_LEFT_BRACKET;
+ case kVK_ANSI_RightBracket: return YASL_KEY_RIGHT_BRACKET;
+ case kVK_ANSI_Quote: return YASL_KEY_APOSTROPHE;
+ case kVK_ANSI_Semicolon: return YASL_KEY_SEMICOLON;
+ case kVK_ANSI_Backslash: return YASL_KEY_BACKSLASH;
+ case kVK_ANSI_Comma: return YASL_KEY_COMMA;
+ case kVK_ANSI_Slash: return YASL_KEY_SLASH;
+ case kVK_ANSI_Period: return YASL_KEY_PERIOD;
+ case kVK_ANSI_Grave: return YASL_KEY_GRAVE;
+ case kVK_F1: return YASL_KEY_F1;
+ case kVK_F2: return YASL_KEY_F2;
+ case kVK_F3: return YASL_KEY_F3;
+ case kVK_F4: return YASL_KEY_F4;
+ case kVK_F5: return YASL_KEY_F5;
+ case kVK_F6: return YASL_KEY_F6;
+ case kVK_F7: return YASL_KEY_F7;
+ case kVK_F8: return YASL_KEY_F8;
+ case kVK_F9: return YASL_KEY_F9;
+ case kVK_F10: return YASL_KEY_F10;
+ case kVK_F11: return YASL_KEY_F11;
+ case kVK_F12: return YASL_KEY_F12;
+ case kVK_F13: return YASL_KEY_F13;
+ case kVK_F14: return YASL_KEY_F14;
+ case kVK_F15: return YASL_KEY_F15;
+ case kVK_F16: return YASL_KEY_F16;
+ case kVK_F17: return YASL_KEY_F17;
+ case kVK_F18: return YASL_KEY_F18;
+ case kVK_F19: return YASL_KEY_F19;
+ case kVK_F20: return YASL_KEY_F20;
+ case kVK_ANSI_Keypad0: return YASL_KEY_KP_0;
+ case kVK_ANSI_Keypad1: return YASL_KEY_KP_1;
+ case kVK_ANSI_Keypad2: return YASL_KEY_KP_2;
+ case kVK_ANSI_Keypad3: return YASL_KEY_KP_3;
+ case kVK_ANSI_Keypad4: return YASL_KEY_KP_4;
+ case kVK_ANSI_Keypad5: return YASL_KEY_KP_5;
+ case kVK_ANSI_Keypad6: return YASL_KEY_KP_6;
+ case kVK_ANSI_Keypad7: return YASL_KEY_KP_7;
+ case kVK_ANSI_Keypad8: return YASL_KEY_KP_8;
+ case kVK_ANSI_Keypad9: return YASL_KEY_KP_9;
+ case kVK_ANSI_KeypadDecimal: return YASL_KEY_KP_DECIMAL;
+ case kVK_ANSI_KeypadMultiply: return YASL_KEY_KP_MULTIPLY;
+ case kVK_ANSI_KeypadPlus: return YASL_KEY_KP_ADD;
+ case kVK_ANSI_KeypadClear: return YASL_KEY_KP_CLEAR;
+ case kVK_ANSI_KeypadDivide: return YASL_KEY_KP_DIVIDE;
+ case kVK_ANSI_KeypadEnter: return YASL_KEY_KP_ENTER;
+ case kVK_ANSI_KeypadMinus: return YASL_KEY_KP_SUBTRACT;
+ case kVK_ANSI_KeypadEquals: return YASL_KEY_KP_EQUAL;
+ default: return YASL_KEY_UNKNOWN;
+ }
+}
diff --git a/src/platform/cocoa/keymap.h b/src/platform/cocoa/keymap.h
new file mode 100644
index 0000000..1aba70b
--- /dev/null
+++ b/src/platform/cocoa/keymap.h
@@ -0,0 +1,8 @@
+#ifndef YASL_COCOA_KEYMAP_H
+#define YASL_COCOA_KEYMAP_H
+
+#include "yasl/yasl.h"
+
+enum yasl_key yasl_key_from_cocoa(uint32_t code);
+
+#endif
diff --git a/src/platform/cocoa/meson.build b/src/platform/cocoa/meson.build
new file mode 100644
index 0000000..8230376
--- /dev/null
+++ b/src/platform/cocoa/meson.build
@@ -0,0 +1 @@
+sources += files('window.m', 'keymap.c')
diff --git a/src/platform/cocoa/window.m b/src/platform/cocoa/window.m
new file mode 100644
index 0000000..3c8519a
--- /dev/null
+++ b/src/platform/cocoa/window.m
@@ -0,0 +1,2227 @@
+#import <AppKit/AppKit.h>
+#import <Metal/Metal.h>
+#import <QuartzCore/QuartzCore.h>
+
+#include "platform/cocoa/api.h"
+#include "yasl/native/cocoa.h"
+#include "common/timing.h"
+#include "common/loop.h"
+#include "platform/cocoa/keycodes.h"
+#include "common/keyboard.h"
+#include "keymap.h"
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LINK_IDLE_FRAMES 8
+#define SCROLL_POINTS_PER_LINE 10.0
+
+enum {
+ DEVICE_LCTL = 0x0001,
+ DEVICE_LSHIFT = 0x0002,
+ DEVICE_RSHIFT = 0x0004,
+ DEVICE_LCMD = 0x0008,
+ DEVICE_RCMD = 0x0010,
+ DEVICE_LALT = 0x0020,
+ DEVICE_RALT = 0x0040,
+ DEVICE_RCTL = 0x2000,
+};
+
+@interface YaslView : NSView <NSTextInputClient>
+@property (nonatomic, assign) struct cocoa_surface *surface;
+@end
+
+@interface YaslAppDelegate : NSObject <NSApplicationDelegate>
+@end
+
+@interface YaslWindow : NSWindow
+@property (nonatomic, assign) struct cocoa_surface *surface;
+@end
+
+@interface YaslWindowController : NSWindowController <NSWindowDelegate>
+@property (nonatomic, assign) struct cocoa_surface *surface;
+@property (nonatomic, assign) BOOL fullscreenTransition;
+@end
+
+#include "common/input.h"
+
+struct cocoa_surface {
+ struct yasl_surface base;
+ YaslWindow *window;
+ YaslWindowController *controller;
+ YaslView *view;
+ CAMetalLayer *layer;
+ id<MTLCommandQueue> software_queue;
+ id<MTLBuffer> software_buffer;
+ NSUInteger software_buffer_capacity;
+ CADisplayLink *link;
+
+ struct cocoa_surface *parent;
+ bool is_popup;
+ struct yasl_vector2i content_offset;
+
+ const struct yasl_window_cbs *cbs;
+ void *ud;
+ uint64_t frames_skipped;
+
+ char *preedit;
+ struct yasl_rect2i ime_caret;
+
+ struct yasl_vector2i size;
+ uint32_t scale_120;
+ uint32_t bg_color;
+ uint32_t *pixels;
+ size_t pixel_capacity;
+
+ id<CAMetalDrawable> drawable;
+ bool transaction;
+ struct yasl_frame frame;
+ struct yasl_damage_list damage;
+ bool did_present;
+ unsigned idle_frames;
+ bool want_draw;
+ bool frame_due;
+ bool unpaced;
+ bool rendering;
+ bool closed;
+ bool destroyed;
+ struct cocoa_surface *dead_next;
+
+ struct input_queue input;
+ struct yasl_vector2i pointer;
+ double scroll_x;
+ uint32_t state;
+ uint32_t mods;
+ uint32_t buttons;
+ enum yasl_cursor cursor;
+ enum yasl_pointer_device tablet_device;
+ bool tablet_down;
+
+ char title[160];
+ struct yasl_frame_clock clock;
+};
+
+struct cocoa_display {
+ struct yasl_display base;
+ struct cocoa_surface **windows;
+ int count;
+ int capacity;
+ const struct yasl_display_cbs *cbs;
+ void *ud;
+ char *app_id;
+ struct yasl_loop *loop;
+ id key_up_monitor;
+ NSCursor *hidden_cursor;
+ YaslAppDelegate *delegate;
+ NSPoint cascade;
+ struct cocoa_surface *dead;
+ struct {
+ bool active;
+ struct cocoa_surface *origin;
+ struct cocoa_surface *carried;
+ struct yasl_vector2i carry_offset;
+ struct cocoa_surface *hover;
+ struct yasl_vector2i hover_pos;
+ struct yasl_drag_listener listener;
+ void *ud;
+ NSImage *image;
+ NSWindow *image_window;
+ struct yasl_vector2i image_size;
+ struct yasl_vector2i image_hotspot;
+ } drag;
+ int depth;
+ bool open;
+ bool launched;
+ bool pumping;
+ bool owns_loop;
+};
+
+static struct cocoa_display darwin_ctx;
+
+static void drag_end(struct cocoa_display *d, enum yasl_drag_end how)
+{
+ if (!d || !d->drag.active) return;
+ struct yasl_drag_listener l = d->drag.listener;
+ void *ud = d->drag.ud;
+ struct cocoa_surface *hover = d->drag.hover;
+ struct yasl_vector2i pos = d->drag.hover_pos;
+
+ d->drag.active = false;
+ d->drag.listener = (struct yasl_drag_listener){0};
+ d->drag.hover = NULL;
+ d->drag.origin = NULL;
+ d->drag.carried = NULL;
+
+ if (d->drag.image_window) {
+ [d->drag.image_window close];
+ [d->drag.image_window release];
+ d->drag.image_window = nil;
+ }
+ [d->drag.image release];
+ d->drag.image = nil;
+
+ if (hover && !hover->destroyed && hover->cbs && hover->cbs->drag) {
+ if (how == YASL_DRAG_DROPPED)
+ hover->cbs->drag(&hover->base, YASL_DRAG_DROP, pos, hover->ud);
+ else
+ hover->cbs->drag(&hover->base, YASL_DRAG_LEAVE, pos, hover->ud);
+ }
+ if (l.end)
+ l.end(ud, how);
+}
+
+static void render_and_commit(struct cocoa_surface *w);
+static void reap_dead(struct cocoa_display *d);
+
+static void set_state(struct cocoa_surface *w, uint32_t bit, bool on)
+{
+ if (!w || w->closed)
+ return;
+ uint32_t next = on ? (w->state | bit) : (w->state & ~bit);
+ if (next == w->state)
+ return;
+ w->state = next;
+ darwin_ctx.depth++;
+ if (w->cbs->state)
+ w->cbs->state(&w->base, w->state, w->ud);
+ darwin_ctx.depth--;
+}
+
+static void check_pointer_reset(struct cocoa_surface *w)
+{
+ if (!w || w->closed) return;
+ if (w->buttons != 0 || w->tablet_down) {
+ struct yasl_input_event ev = {
+ .kind = YASL_INPUT_RESET,
+ .surface = &w->base,
+ };
+ input_queue_push(&w->input, &ev);
+ w->buttons = 0;
+ w->tablet_down = false;
+ }
+}
+
+static void push_focus(struct cocoa_surface *w, bool focused)
+{
+ if (!w || w->closed)
+ return;
+ if (!focused)
+ check_pointer_reset(w);
+ struct yasl_input_event ev = {
+ .kind = YASL_INPUT_FOCUS,
+ .surface = &w->base,
+ .focus = { .focused = focused },
+ };
+ input_queue_push(&w->input, &ev);
+ darwin_ctx.depth++;
+ set_state(w, YASL_STATE_ACTIVATED, focused);
+ cocoa_surface_schedule_redraw(w);
+ darwin_ctx.depth--;
+}
+
+static void sync_size(struct cocoa_surface *w, bool force)
+{
+ if (!w || !w->layer || w->closed)
+ return;
+ uint64_t start = yasl_loop_now_ns();
+ NSRect bounds = w->view.bounds;
+ CGFloat scale = w->window.backingScaleFactor;
+ if (scale < 1.0)
+ scale = 1.0;
+ struct yasl_vector2i size = {
+ .x = (int)lround(bounds.size.width * scale),
+ .y = (int)lround(bounds.size.height * scale),
+ };
+ uint32_t scale_120 = (uint32_t)lround(scale * YASL_SCALE_UNIT);
+ bool rescaled = force || scale_120 != w->scale_120;
+ bool resized = force || (size.x != w->size.x || size.y != w->size.y);
+ if (!rescaled && !resized)
+ return;
+ darwin_ctx.depth++;
+ w->size = size;
+ w->scale_120 = scale_120;
+ w->layer.contentsScale = scale;
+ w->layer.drawableSize = CGSizeMake(size.x, size.y);
+ if (w->cbs->configure)
+ w->cbs->configure(&w->base, (struct yasl_geometry){
+ .size = size, .scale_120 = scale_120,
+ }, w->ud);
+ cocoa_surface_schedule_redraw(w);
+ if (w->view.inLiveResize)
+ render_and_commit(w);
+ yasl_clock_note_resize(&w->clock, yasl_loop_now_ns() - start);
+ darwin_ctx.depth--;
+}
+
+static unsigned cocoa_mods(NSEventModifierFlags m)
+{
+ unsigned mods = 0;
+ if (m & NSEventModifierFlagShift) mods |= YASL_MOD_SHIFT;
+ if (m & NSEventModifierFlagOption) mods |= YASL_MOD_ALT;
+ if (m & NSEventModifierFlagControl) mods |= YASL_MOD_CTRL;
+ if (m & NSEventModifierFlagCommand) mods |= YASL_MOD_SUPER;
+ if (m & NSEventModifierFlagCapsLock) mods |= YASL_MOD_CAPS;
+ return mods;
+}
+
+/* Decode a single Unicode scalar, never a lone UTF-16 surrogate. Layout labels
+ * are optional: multi-scalar mappings and native function-key characters are 0. */
+static uint32_t cocoa_key_label(NSString *characters)
+{
+ if (!characters.length) return 0;
+ unichar first = [characters characterAtIndex:0];
+ if (characters.length == 1)
+ return yasl_key_label(first);
+ if (characters.length == 2 && first >= 0xd800 && first <= 0xdbff) {
+ unichar second = [characters characterAtIndex:1];
+ if (second >= 0xdc00 && second <= 0xdfff)
+ return yasl_key_label(0x10000 + ((first - 0xd800) << 10) + second - 0xdc00);
+ }
+ return 0;
+}
+
+static struct yasl_key_event cocoa_key_event(NSEvent *ev, enum yasl_key_action action)
+{
+ struct yasl_key_event k = {
+ .key = yasl_key_from_cocoa(ev.keyCode),
+ .action = action,
+ .mods = cocoa_mods(ev.modifierFlags),
+ .native_code = ev.keyCode,
+ };
+ /* characters properties are invalid on flagsChanged events. */
+ if (ev.type == NSEventTypeKeyDown || ev.type == NSEventTypeKeyUp) {
+ k.codepoint = cocoa_key_label([ev charactersByApplyingModifiers:0]);
+ k.shifted = cocoa_key_label([ev charactersByApplyingModifiers:NSEventModifierFlagShift]);
+ }
+ return k;
+}
+
+static void on_key_event(struct cocoa_surface *w, NSEvent *ev, enum yasl_key_action action)
+{
+ w->mods = cocoa_mods(ev.modifierFlags);
+ struct yasl_key_event k = cocoa_key_event(ev, action);
+ struct yasl_input_event input_ev = {
+ .kind = YASL_INPUT_KEY,
+ .surface = &w->base,
+ .key = k,
+ };
+ input_queue_push(&w->input, &input_ev);
+}
+
+static void on_text_input(struct cocoa_surface *w, const char *text, size_t len)
+{
+ if (len) {
+ struct yasl_input_event ev = {
+ .kind = YASL_INPUT_TEXT,
+ .surface = &w->base,
+ .text = { .text = text, .len = len },
+ };
+ input_queue_push(&w->input, &ev);
+ }
+}
+
+static bool modifier_down(NSEvent *ev)
+{
+ NSEventModifierFlags f = ev.modifierFlags;
+ switch (ev.keyCode) {
+ case kVK_Shift: return f & DEVICE_LSHIFT;
+ case kVK_RightShift: return f & DEVICE_RSHIFT;
+ case kVK_Control: return f & DEVICE_LCTL;
+ case kVK_RightControl: return f & DEVICE_RCTL;
+ case kVK_Option: return f & DEVICE_LALT;
+ case kVK_RightOption: return f & DEVICE_RALT;
+ case kVK_Command: return f & DEVICE_LCMD;
+ case kVK_RightCommand: return f & DEVICE_RCMD;
+ case kVK_CapsLock: return f & NSEventModifierFlagCapsLock;
+ default: return false;
+ }
+}
+
+static int cocoa_button(NSInteger number)
+{
+ switch (number) {
+ case 0: return 0;
+ case 1: return 2;
+ case 2: return 1;
+ default: return -1;
+ }
+}
+
+static struct yasl_vector2i event_pos(struct cocoa_surface *w, NSEvent *ev)
+{
+ NSPoint p = [w->view convertPoint:ev.locationInWindow fromView:nil];
+ CGFloat scale = w->window.backingScaleFactor;
+ if (scale < 1.0)
+ scale = 1.0;
+ return (struct yasl_vector2i){
+ .x = (int)floor(p.x * scale),
+ .y = (int)floor((w->view.bounds.size.height - p.y) * scale),
+ };
+}
+
+static void update_drag_hover(struct cocoa_display *d, NSPoint screenPoint)
+{
+ if (!d || !d->drag.active) return;
+
+ NSInteger excludeNum = 0;
+ if (d->drag.carried && d->drag.carried->window)
+ excludeNum = d->drag.carried->window.windowNumber;
+ else if (d->drag.image_window)
+ excludeNum = d->drag.image_window.windowNumber;
+
+ NSInteger winNum = [NSWindow windowNumberAtPoint:screenPoint belowWindowWithWindowNumber:excludeNum];
+ struct cocoa_surface *target = NULL;
+ struct yasl_vector2i pos = {0};
+
+ if (winNum > 0) {
+ NSWindow *nswin = [NSApp windowWithWindowNumber:winNum];
+ if (nswin && [nswin isKindOfClass:[YaslWindow class]]) {
+ struct cocoa_surface *candidate = ((YaslWindow *)nswin).surface;
+ if (candidate && candidate != d->drag.carried && !candidate->closed && candidate->view) {
+ NSPoint winPoint = [candidate->window convertPointFromScreen:screenPoint];
+ NSPoint viewPoint = [candidate->view convertPoint:winPoint fromView:nil];
+ if (NSPointInRect(viewPoint, candidate->view.bounds)) {
+ CGFloat scale = candidate->window.backingScaleFactor;
+ if (scale < 1.0) scale = 1.0;
+ pos.x = (int)floor(viewPoint.x * scale);
+ pos.y = (int)floor((candidate->view.bounds.size.height - viewPoint.y) * scale);
+ target = candidate;
+ }
+ }
+ }
+ if (!target) {
+ for (int i = 0; i < d->count; i++) {
+ struct cocoa_surface *s = d->windows[i];
+ if (s != d->drag.carried && !s->closed && s->window && s->window.windowNumber == winNum && s->view) {
+ NSPoint winPoint = [s->window convertPointFromScreen:screenPoint];
+ NSPoint viewPoint = [s->view convertPoint:winPoint fromView:nil];
+ if (NSPointInRect(viewPoint, s->view.bounds)) {
+ CGFloat scale = s->window.backingScaleFactor;
+ if (scale < 1.0) scale = 1.0;
+ pos.x = (int)floor(viewPoint.x * scale);
+ pos.y = (int)floor((s->view.bounds.size.height - viewPoint.y) * scale);
+ target = s;
+ }
+ break;
+ }
+ }
+ }
+ }
+
+ if (target != d->drag.hover) {
+ if (d->drag.hover) {
+ struct cocoa_surface *old = d->drag.hover;
+ struct yasl_vector2i old_pos = d->drag.hover_pos;
+ d->drag.hover = NULL;
+ if (old->cbs && old->cbs->drag && !old->destroyed)
+ old->cbs->drag(&old->base, YASL_DRAG_LEAVE, old_pos, old->ud);
+ if (!d->drag.active) return;
+ }
+ if (target && target->destroyed) target = NULL;
+ d->drag.hover = target;
+ d->drag.hover_pos = pos;
+ if (target && !target->destroyed && target->cbs && target->cbs->drag)
+ target->cbs->drag(&target->base, YASL_DRAG_OVER, pos, target->ud);
+ } else if (target && !target->destroyed) {
+ d->drag.hover_pos = pos;
+ if (target->cbs && target->cbs->drag)
+ target->cbs->drag(&target->base, YASL_DRAG_OVER, pos, target->ud);
+ }
+}
+
+static void push_pointer(struct cocoa_surface *w, NSEvent *ev, enum yasl_pointer_kind kind,
+ int button)
+{
+ if (!w || w->closed || button < 0)
+ return;
+ bool proximity = ev.type == NSEventTypeTabletProximity ||
+ ev.subtype == NSEventSubtypeTabletProximity;
+ if (proximity) {
+ if (ev.isEnteringProximity) {
+ w->tablet_device = ev.pointingDeviceType == NSPointingDeviceTypeEraser ?
+ YASL_PTR_DEV_ERASER : ev.pointingDeviceType == NSPointingDeviceTypePen ?
+ YASL_PTR_DEV_PEN : YASL_PTR_DEV_MOUSE;
+ return;
+ }
+ kind = YASL_PTR_LEAVE;
+ button = 3;
+ }
+ w->mods = cocoa_mods(ev.modifierFlags);
+ if (kind != YASL_PTR_LEAVE)
+ w->pointer = event_pos(w, ev);
+
+ enum yasl_pointer_device device = YASL_PTR_DEV_MOUSE;
+ struct yasl_pointer_pen pen = {0};
+
+ if (kind == YASL_PTR_LEAVE && w->tablet_device != YASL_PTR_DEV_MOUSE) {
+ device = w->tablet_device;
+ w->tablet_down = false;
+ } else if (ev.type == NSEventTypeTabletPoint || ev.subtype == NSEventSubtypeTabletPoint) {
+ /* pointingDeviceType belongs to proximity events. Remember that
+ * event's tool so erasers and zero-pressure hover stay classified. */
+ device = w->tablet_device == YASL_PTR_DEV_ERASER ? YASL_PTR_DEV_ERASER : YASL_PTR_DEV_PEN;
+ float press = (float)ev.pressure;
+ if (press > 1.0f) press = 1.0f;
+ if (press > 0.0f)
+ pen.pressure = (uint16_t)(press * 65535.0f);
+
+ NSPoint tilt = ev.tilt;
+ pen.tilt_x = (int8_t)lround(fmax(-1, fmin(1, tilt.x)) * 90.0);
+ pen.tilt_y = (int8_t)lround(fmax(-1, fmin(1, -tilt.y)) * 90.0);
+ if (button == 0 && kind == YASL_PTR_PRESS) w->tablet_down = true;
+ if (button == 0 && kind == YASL_PTR_RELEASE) {
+ w->tablet_down = false;
+ pen.pressure = 0;
+ }
+ }
+
+ if (kind == YASL_PTR_PRESS && button >= 0 && button < 32)
+ w->buttons |= (1u << button);
+ else if (kind == YASL_PTR_RELEASE && button >= 0 && button < 32)
+ w->buttons &= ~(1u << button);
+
+ struct yasl_input_event input_ev = {
+ .surface = &w->base,
+ .kind = YASL_INPUT_MOUSE,
+ .mouse = {
+ .pos = w->pointer,
+ .button = (int16_t)button,
+ .kind = kind,
+ .device = device,
+ .mods = w->mods,
+ .pen = pen,
+ },
+ };
+ input_queue_push(&w->input, &input_ev);
+ if (kind == YASL_PTR_MOTION && darwin_ctx.drag.active) {
+ if (darwin_ctx.drag.carried) {
+ cocoa_surface_place_under_pointer(darwin_ctx.drag.carried, darwin_ctx.drag.carry_offset);
+ } else if (darwin_ctx.drag.image_window) {
+ CGFloat scale = darwin_ctx.drag.origin && darwin_ctx.drag.origin->window
+ ? darwin_ctx.drag.origin->window.backingScaleFactor : 1.0;
+ if (scale < 1.0) scale = 1.0;
+ NSPoint mouse = [NSEvent mouseLocation];
+ CGFloat pt_h = darwin_ctx.drag.image_size.y / scale;
+ [darwin_ctx.drag.image_window setFrameOrigin:NSMakePoint(
+ mouse.x - darwin_ctx.drag.image_hotspot.x / scale,
+ mouse.y - pt_h + darwin_ctx.drag.image_hotspot.y / scale)];
+ }
+ update_drag_hover(&darwin_ctx, [NSEvent mouseLocation]);
+ } else if (kind == YASL_PTR_RELEASE && darwin_ctx.drag.active) {
+ update_drag_hover(&darwin_ctx, [NSEvent mouseLocation]);
+ drag_end(&darwin_ctx, YASL_DRAG_DROPPED);
+ }
+ if (proximity) {
+ w->tablet_device = YASL_PTR_DEV_MOUSE;
+ w->tablet_down = false;
+ }
+}
+
+static NSCursor *cocoa_cursor(enum yasl_cursor cursor)
+{
+ switch (cursor) {
+ case YASL_CURSOR_TEXT: return [NSCursor IBeamCursor];
+ case YASL_CURSOR_LINK: return [NSCursor pointingHandCursor];
+ case YASL_CURSOR_CROSSHAIR: return [NSCursor crosshairCursor];
+ case YASL_CURSOR_HIDDEN:
+ if (!darwin_ctx.hidden_cursor) {
+ NSImage *image = [[NSImage alloc] initWithSize:NSMakeSize(1, 1)];
+ [image lockFocus];
+ [[NSColor clearColor] set];
+ NSRectFillUsingOperation(NSMakeRect(0, 0, 1, 1), NSCompositingOperationCopy);
+ [image unlockFocus];
+ darwin_ctx.hidden_cursor = [[NSCursor alloc] initWithImage:image hotSpot:NSZeroPoint];
+ [image release];
+ }
+ return darwin_ctx.hidden_cursor;
+ case YASL_CURSOR_ARROW:
+ default: return [NSCursor arrowCursor];
+ }
+}
+
+@implementation YaslAppDelegate
+- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
+{
+ (void)sender;
+ if (darwin_ctx.cbs && darwin_ctx.cbs->quit)
+ darwin_ctx.cbs->quit(darwin_ctx.ud);
+ return NSTerminateCancel;
+}
+- (BOOL)applicationShouldHandleReopen:(NSApplication *)sender hasVisibleWindows:(BOOL)visible
+{
+ (void)sender;
+ if (!visible && darwin_ctx.cbs && darwin_ctx.cbs->reopen)
+ darwin_ctx.cbs->reopen(darwin_ctx.ud);
+ return YES;
+}
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender
+{
+ (void)sender;
+ return NO;
+}
+@end
+
+static struct yasl_vector2i dragging_pos(YaslView *view, id<NSDraggingInfo> sender)
+{
+ NSPoint p = [view convertPoint:[sender draggingLocation] fromView:nil];
+ NSWindow *win = view.window;
+ CGFloat scale = win ? win.backingScaleFactor : 1.0;
+ if (scale < 1.0) scale = 1.0;
+ return (struct yasl_vector2i){
+ .x = (int)floor(p.x * scale),
+ .y = (int)floor((view.bounds.size.height - p.y) * scale),
+ };
+}
+
+@implementation YaslView
+
+- (instancetype)initWithFrame:(NSRect)frameRect
+{
+ self = [super initWithFrame:frameRect];
+ if (self) {
+ self.wantsLayer = YES;
+ self.layerContentsRedrawPolicy = NSViewLayerContentsRedrawNever;
+ self.layerContentsPlacement = NSViewLayerContentsPlacementTopLeft;
+ [self registerForDraggedTypes:@[NSPasteboardTypeFileURL]];
+ }
+ return self;
+}
+
+- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)sender
+{
+ NSPasteboard *pb = [sender draggingPasteboard];
+ if ([pb canReadItemWithDataConformingToTypes:@[NSPasteboardTypeFileURL]]) {
+ struct cocoa_surface *w = self.surface;
+ if (w && w->cbs && w->cbs->drop) {
+ struct yasl_vector2i pos = dragging_pos(self, sender);
+ w->cbs->drop(&w->base, YASL_DROP_OVER, pos, w->ud);
+ }
+ return NSDragOperationCopy;
+ }
+ return NSDragOperationNone;
+}
+
+- (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)sender
+{
+ return [self draggingEntered:sender];
+}
+
+- (void)draggingExited:(id<NSDraggingInfo>)sender
+{
+ NSPasteboard *pb = [sender draggingPasteboard];
+ if ([pb canReadItemWithDataConformingToTypes:@[NSPasteboardTypeFileURL]]) {
+ struct cocoa_surface *w = self.surface;
+ if (w && w->cbs && w->cbs->drop) {
+ struct yasl_vector2i pos = dragging_pos(self, sender);
+ w->cbs->drop(&w->base, YASL_DROP_LEAVE, pos, w->ud);
+ }
+ }
+}
+
+- (BOOL)performDragOperation:(id<NSDraggingInfo>)sender
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w) return NO;
+ struct yasl_vector2i pos = dragging_pos(self, sender);
+ BOOL ok = NO;
+
+ NSPasteboard *pb = [sender draggingPasteboard];
+ NSArray<NSURL *> *urls = [pb readObjectsForClasses:@[[NSURL class]]
+ options:@{NSPasteboardURLReadingFileURLsOnlyKey: @YES}];
+ if (urls.count) {
+ NSMutableString *result = [NSMutableString string];
+ for (NSURL *url in urls) {
+ [result appendString:url.absoluteString];
+ [result appendString:@"\r\n"];
+ }
+ const char *utf8 = result.UTF8String;
+ if (utf8 && strlen(utf8)) {
+ struct yasl_input_event ev = {
+ .kind = YASL_INPUT_DROP_FILES,
+ .surface = &w->base,
+ .drop_files = { .files = utf8, .len = strlen(utf8) },
+ };
+ input_queue_push(&w->input, &ev);
+ cocoa_surface_schedule_redraw(w);
+ ok = YES;
+ }
+ }
+ if (w->cbs && w->cbs->drop)
+ w->cbs->drop(&w->base, YASL_DROP_LEAVE, pos, w->ud);
+ return ok;
+}
+
+- (CALayer *)makeBackingLayer
+{
+ CAMetalLayer *layer = [CAMetalLayer layer];
+ layer.pixelFormat = MTLPixelFormatBGRA8Unorm;
+ layer.framebufferOnly = YES;
+ layer.allowsNextDrawableTimeout = YES;
+ layer.opaque = YES;
+ layer.contentsGravity = kCAGravityTopLeft;
+ CGColorSpaceRef srgb = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
+ layer.colorspace = srgb;
+ CGColorSpaceRelease(srgb);
+ return layer;
+}
+
+- (BOOL)isOpaque { return !self.surface || !self.surface->is_popup; }
+- (BOOL)acceptsFirstResponder { return YES; }
+- (BOOL)becomeFirstResponder { return YES; }
+- (BOOL)canBecomeKeyView { return YES; }
+- (BOOL)wantsUpdateLayer { return YES; }
+
+- (void)setFrameSize:(NSSize)size
+{
+ [super setFrameSize:size];
+ sync_size(self.surface, false);
+}
+
+- (void)viewDidChangeBackingProperties
+{
+ [super viewDidChangeBackingProperties];
+ sync_size(self.surface, false);
+}
+
+- (void)viewWillStartLiveResize
+{
+ [super viewWillStartLiveResize];
+ struct cocoa_surface *w = self.surface;
+ if (w)
+ w->layer.presentsWithTransaction = YES;
+}
+
+- (void)viewDidEndLiveResize
+{
+ [super viewDidEndLiveResize];
+ struct cocoa_surface *w = self.surface;
+ if (!w)
+ return;
+ w->layer.presentsWithTransaction = NO;
+ cocoa_surface_schedule_redraw(w);
+}
+
+- (void)displayLinkFired:(CADisplayLink *)link
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w || w->closed)
+ return;
+ CFTimeInterval period = link.targetTimestamp - link.timestamp;
+ if (period > 0.0 && period < 0.25)
+ w->clock.refresh_ns = period * 1e9;
+ w->frame_due = true;
+ if (!w->want_draw || (w->state & YASL_STATE_SUSPENDED)) {
+ if (++w->idle_frames >= LINK_IDLE_FRAMES)
+ link.paused = YES;
+ return;
+ }
+ w->idle_frames = 0;
+ if (darwin_ctx.loop)
+ yasl_loop_kick(darwin_ctx.loop);
+}
+
+- (void)updateTrackingAreas
+{
+ [super updateTrackingAreas];
+ if (self.trackingAreas.count > 0)
+ return;
+ NSTrackingArea *area = [[NSTrackingArea alloc]
+ initWithRect:NSZeroRect
+ options:NSTrackingMouseMoved | NSTrackingMouseEnteredAndExited |
+ NSTrackingCursorUpdate | NSTrackingActiveAlways |
+ NSTrackingInVisibleRect
+ owner:self
+ userInfo:nil];
+ [self addTrackingArea:area];
+ [area release];
+}
+
+- (void)cursorUpdate:(NSEvent *)event
+{
+ (void)event;
+ struct cocoa_surface *w = self.surface;
+ [cocoa_cursor(w ? w->cursor : YASL_CURSOR_ARROW) set];
+}
+
+- (void)keyDown:(NSEvent *)event
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ on_key_event(w, event, event.isARepeat ? YASL_KEY_REPEAT : YASL_KEY_PRESS);
+ [self interpretKeyEvents:@[event]];
+}
+
+- (void)keyUp:(NSEvent *)event
+{
+ struct cocoa_surface *w = self.surface;
+ if (w)
+ on_key_event(w, event, YASL_KEY_RELEASE);
+}
+
+- (void)flagsChanged:(NSEvent *)event
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ w->mods = cocoa_mods(event.modifierFlags);
+ on_key_event(w, event, modifier_down(event) ? YASL_KEY_PRESS : YASL_KEY_RELEASE);
+}
+
+- (void)mouseDown:(NSEvent *)event
+{
+ [self.window makeFirstResponder:self];
+ push_pointer(self.surface, event, YASL_PTR_PRESS, cocoa_button(event.buttonNumber));
+}
+- (void)rightMouseDown:(NSEvent *)event { [self mouseDown:event]; }
+- (void)otherMouseDown:(NSEvent *)event { [self mouseDown:event]; }
+
+- (void)mouseUp:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_RELEASE, cocoa_button(event.buttonNumber));
+}
+- (void)rightMouseUp:(NSEvent *)event { [self mouseUp:event]; }
+- (void)otherMouseUp:(NSEvent *)event { [self mouseUp:event]; }
+
+- (void)mouseMoved:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_MOTION, 3);
+}
+
+- (void)mouseDragged:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_MOTION, 0);
+}
+- (void)rightMouseDragged:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_MOTION, 2);
+}
+- (void)otherMouseDragged:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_MOTION, cocoa_button(event.buttonNumber));
+}
+
+- (void)mouseExited:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_LEAVE, 3);
+}
+
+- (void)tabletProximity:(NSEvent *)event
+{
+ push_pointer(self.surface, event, YASL_PTR_MOTION, 3);
+}
+
+- (void)tabletPoint:(NSEvent *)event
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ bool down = (event.buttonMask & NSEventButtonMaskPenTip) != 0;
+ enum yasl_pointer_kind kind = down == w->tablet_down ? YASL_PTR_MOTION :
+ down ? YASL_PTR_PRESS : YASL_PTR_RELEASE;
+ push_pointer(w, event, kind, 0);
+}
+
+- (void)scrollWheel:(NSEvent *)event
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ double dx = -event.scrollingDeltaX, dy = -event.scrollingDeltaY;
+ if (event.hasPreciseScrollingDeltas) {
+ dx /= SCROLL_POINTS_PER_LINE;
+ dy /= SCROLL_POINTS_PER_LINE;
+ }
+ if (!isfinite(dx) || !isfinite(dy) || (dx == 0 && dy == 0)) return;
+ w->mods = cocoa_mods(event.modifierFlags);
+ w->pointer = event_pos(w, event);
+ struct yasl_input_event input_ev = {
+ .kind = YASL_INPUT_MOUSE,
+ .surface = &w->base,
+ .mouse = {
+ .pos = w->pointer,
+ .kind = YASL_PTR_SCROLL,
+ .mods = w->mods,
+ .scroll = {dx, dy},
+ },
+ };
+ input_queue_push(&w->input, &input_ev);
+}
+
+static NSString *plain_string(id string)
+{
+ return [string isKindOfClass:[NSAttributedString class]]
+ ? [(NSAttributedString *)string string] : (NSString *)string;
+}
+
+- (void)insertText:(id)string replacementRange:(NSRange)replacementRange
+{
+ (void)replacementRange;
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ const char *utf8 = plain_string(string).UTF8String;
+ size_t len = utf8 ? strlen(utf8) : 0;
+ free(w->preedit);
+ w->preedit = NULL;
+ on_text_input(w, utf8, len);
+ cocoa_surface_schedule_redraw(w);
+}
+
+- (void)doCommandBySelector:(SEL)selector { (void)selector; }
+
+- (void)setMarkedText:(id)string selectedRange:(NSRange)selectedRange
+ replacementRange:(NSRange)replacementRange
+{
+ (void)selectedRange;
+ (void)replacementRange;
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ NSString *str = plain_string(string);
+ const char *utf8 = str.length ? str.UTF8String : NULL;
+ free(w->preedit);
+ w->preedit = utf8 ? strdup(utf8) : NULL;
+ cocoa_surface_schedule_redraw(w);
+}
+
+- (void)unmarkText
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w || !w->preedit) return;
+ free(w->preedit);
+ w->preedit = NULL;
+ cocoa_surface_schedule_redraw(w);
+}
+
+- (NSRange)selectedRange { return NSMakeRange(NSNotFound, 0); }
+- (NSRange)markedRange
+{
+ struct cocoa_surface *w = self.surface;
+ if (!w || !w->preedit)
+ return NSMakeRange(NSNotFound, 0);
+ return NSMakeRange(0, [NSString stringWithUTF8String:w->preedit].length);
+}
+- (BOOL)hasMarkedText { return self.surface && self.surface->preedit != NULL; }
+- (nullable NSAttributedString *)attributedSubstringForProposedRange:(NSRange)range
+ actualRange:(nullable NSRangePointer)actualRange
+{
+ (void)range; (void)actualRange;
+ return nil;
+}
+- (NSArray<NSAttributedStringKey> *)validAttributesForMarkedText { return @[]; }
+- (NSRect)firstRectForCharacterRange:(NSRange)range actualRange:(nullable NSRangePointer)actualRange
+{
+ (void)range; (void)actualRange;
+ struct cocoa_surface *w = self.surface;
+ if (!w || !w->window) return NSZeroRect;
+ CGFloat scale = w->window.backingScaleFactor;
+ if (scale < 1.0) scale = 1.0;
+ NSRect r = NSMakeRect(w->ime_caret.x / scale,
+ self.bounds.size.height - (w->ime_caret.y + w->ime_caret.height) / scale,
+ w->ime_caret.width / scale, w->ime_caret.height / scale);
+ return [w->window convertRectToScreen:[self convertRect:r toView:nil]];
+}
+- (NSUInteger)characterIndexForPoint:(NSPoint)point { (void)point; return 0; }
+
+@end
+
+@implementation YaslWindow
+
+- (void)sendEvent:(NSEvent *)event
+{
+ darwin_ctx.depth++;
+ @try {
+ [super sendEvent:event];
+ } @finally {
+ darwin_ctx.depth--;
+ }
+}
+
+@end
+
+@implementation YaslWindowController
+
+- (void)windowDidBecomeKey:(NSNotification *)notification
+{
+ (void)notification;
+ if (self.surface) push_focus(self.surface, true);
+}
+
+- (void)windowDidResignKey:(NSNotification *)notification
+{
+ (void)notification;
+ if (self.surface) push_focus(self.surface, false);
+}
+
+- (void)windowDidChangeOcclusionState:(NSNotification *)notification
+{
+ (void)notification;
+ struct cocoa_surface *w = self.surface;
+ if (!w) return;
+ bool visible = (self.window.occlusionState & NSWindowOcclusionStateVisible) != 0;
+ darwin_ctx.depth++;
+ set_state(w, YASL_STATE_SUSPENDED, !visible);
+ if (visible)
+ cocoa_surface_schedule_redraw(w);
+ else
+ w->link.paused = YES;
+ darwin_ctx.depth--;
+}
+
+- (void)windowWillEnterFullScreen:(NSNotification *)notification
+{
+ (void)notification;
+ self.fullscreenTransition = YES;
+}
+
+- (void)windowWillExitFullScreen:(NSNotification *)notification
+{
+ (void)notification;
+ self.fullscreenTransition = YES;
+}
+
+- (void)syncWindowState
+{
+ self.fullscreenTransition = NO;
+ struct cocoa_surface *w = self.surface;
+ if (!w || w->closed)
+ return;
+ darwin_ctx.depth++;
+ bool fullscreen = (self.window.styleMask & NSWindowStyleMaskFullScreen) != 0;
+ set_state(w, YASL_STATE_FULLSCREEN, fullscreen);
+ set_state(w, YASL_STATE_MAXIMIZED, !fullscreen && self.window.isZoomed);
+ sync_size(w, false);
+ darwin_ctx.depth--;
+}
+
+- (void)windowDidEnterFullScreen:(NSNotification *)notification { [self syncWindowState]; }
+- (void)windowDidExitFullScreen:(NSNotification *)notification { [self syncWindowState]; }
+- (void)windowDidFailToEnterFullScreen:(NSWindow *)window { (void)window; [self syncWindowState]; }
+- (void)windowDidFailToExitFullScreen:(NSWindow *)window { (void)window; [self syncWindowState]; }
+
+- (void)windowDidResize:(NSNotification *)notification
+{
+ (void)notification;
+ if (!self.fullscreenTransition)
+ [self syncWindowState];
+}
+
+- (void)windowDidChangeScreen:(NSNotification *)notification
+{
+ (void)notification;
+ sync_size(self.surface, false);
+}
+
+- (void)windowWillClose:(NSNotification *)notification
+{
+ (void)notification;
+ struct cocoa_surface *w = self.surface;
+ if (!w || w->closed)
+ return;
+ darwin_ctx.depth++;
+ w->closed = true;
+ [w->link invalidate];
+ if (w->cbs->close)
+ w->cbs->close(&w->base, w->ud);
+ darwin_ctx.depth--;
+}
+
+@end
+
+bool cocoa_surface_present(struct cocoa_surface *w, const struct yasl_framebuffer *fb,
+ const struct yasl_damage_list *damage)
+{
+ if (!w || w->closed || !w->rendering || w->did_present || !fb || !damage ||
+ fb->pixels != w->frame.target.pixels || fb->size.x != w->size.x ||
+ fb->size.y != w->size.y || !w->drawable)
+ return false;
+ if (w->software_queue) {
+ if (fb->pixels != w->pixels || fb->size.x != w->size.x || fb->size.y != w->size.y)
+ return false;
+ NSUInteger row_bytes = ((NSUInteger)w->size.x * 4 + 255) & ~(NSUInteger)255;
+ NSUInteger length = row_bytes * (NSUInteger)w->size.y;
+ if (!w->software_buffer || w->software_buffer_capacity < length) {
+ [w->software_buffer release];
+ w->software_buffer = [w->layer.device newBufferWithLength:length
+ options:MTLResourceStorageModeShared];
+ w->software_buffer_capacity = w->software_buffer ? length : 0;
+ }
+ id<MTLBuffer> buffer = w->software_buffer;
+ if (!buffer) return false;
+ for (int y = 0; y < w->size.y; y++)
+ memcpy((char *)buffer.contents + (NSUInteger)y * row_bytes,
+ w->pixels + (size_t)y * w->size.x, (size_t)w->size.x * 4);
+ id<MTLCommandBuffer> command = [w->software_queue commandBuffer];
+ id<MTLBlitCommandEncoder> blit = [command blitCommandEncoder];
+ if (!blit) return false;
+ id<CAMetalDrawable> drawable = w->drawable;
+ [blit copyFromBuffer:buffer sourceOffset:0 sourceBytesPerRow:row_bytes
+ sourceBytesPerImage:length sourceSize:MTLSizeMake(w->size.x, w->size.y, 1)
+ toTexture:drawable.texture destinationSlice:0 destinationLevel:0
+ destinationOrigin:MTLOriginMake(0, 0, 0)];
+ [blit endEncoding];
+ [command presentDrawable:drawable];
+ [command commit];
+ }
+ yasl_clock_presented(&w->clock, yasl_loop_now_ns(), false);
+ w->did_present = true;
+ return true;
+}
+
+static void render_and_commit(struct cocoa_surface *w)
+{
+ if (w->closed || !w->cbs->draw || w->rendering || w->size.x <= 0 || w->size.y <= 0 ||
+ (w->state & YASL_STATE_SUSPENDED))
+ return;
+
+ size_t count = (size_t)w->size.x * (size_t)w->size.y;
+ if (w->software_queue && count > w->pixel_capacity) {
+ uint32_t *pixels = realloc(w->pixels, count * sizeof(*pixels));
+ if (!pixels) return;
+ w->pixels = pixels;
+ w->pixel_capacity = count;
+ }
+ darwin_ctx.depth++;
+ w->rendering = true;
+ w->want_draw = false;
+ w->frame_due = false;
+ w->did_present = false;
+ id<CAMetalDrawable> drawable = [w->layer nextDrawable];
+ w->drawable = drawable;
+ w->transaction = w->layer.presentsWithTransaction;
+ w->damage = (struct yasl_damage_list){0};
+ w->frame = (struct yasl_frame){
+ .surface = &w->base,
+ .target = {
+ .generation = yasl_frame_begin(&w->base),
+ .pixels = w->software_queue ? w->pixels : NULL,
+ .size = w->size,
+ },
+ };
+ if (drawable)
+ w->cbs->draw(&w->base, &w->frame, w->ud);
+ if (!w->closed && !w->did_present) {
+ w->want_draw = true;
+ w->frames_skipped++;
+ }
+ w->drawable = nil;
+ w->rendering = false;
+ darwin_ctx.depth--;
+}
+
+static void pump_window(struct cocoa_surface *w)
+{
+ if (!w || w->closed || !w->want_draw || !w->cbs->draw)
+ return;
+ if (w->link && !w->frame_due && !w->unpaced)
+ return;
+ @autoreleasepool { render_and_commit(w); }
+}
+
+int cocoa_display_dispatch_timeout(struct cocoa_display *d, int timeout_ms)
+{
+ assert([NSThread isMainThread]);
+ if (!d || d->pumping)
+ return -1;
+ for (int i = 0; i < d->count; i++) {
+ struct cocoa_surface *w = d->windows[i];
+ if (w->input.count || w->input.reset_pending ||
+ (w->want_draw && (!w->link || w->frame_due || w->unpaced))) {
+ timeout_ms = 0;
+ break;
+ }
+ }
+ d->pumping = true;
+ d->depth++;
+ int count = 0;
+ @try {
+ if (d->loop) {
+ int timer_to = yasl_loop_next_timeout_ms(d->loop);
+ if (timer_to >= 0 && (timeout_ms < 0 || timer_to < timeout_ms)) {
+ timeout_ms = timer_to;
+ }
+ }
+
+ NSDate *limitDate;
+ if (timeout_ms == 0)
+ limitDate = [NSDate distantPast];
+ else if (timeout_ms < 0)
+ limitDate = [NSDate distantFuture];
+ else
+ limitDate = [NSDate dateWithTimeIntervalSinceNow:(double)timeout_ms / 1000.0];
+
+ @autoreleasepool {
+ NSEvent *ev = [NSApp nextEventMatchingMask:NSEventMaskAny
+ untilDate:limitDate
+ inMode:NSDefaultRunLoopMode
+ dequeue:YES];
+ if (ev) {
+ count++;
+ [NSApp sendEvent:ev];
+ [NSApp updateWindows];
+
+ while ((ev = [NSApp nextEventMatchingMask:NSEventMaskAny
+ untilDate:[NSDate distantPast]
+ inMode:NSDefaultRunLoopMode
+ dequeue:YES])) {
+ count++;
+ [NSApp sendEvent:ev];
+ [NSApp updateWindows];
+ }
+ }
+ }
+
+ if (d->loop) {
+ yasl_loop_step(d->loop, 0);
+ }
+ } @finally {
+ d->depth--;
+ d->pumping = false;
+ }
+ return count;
+}
+
+void cocoa_display_flush(struct cocoa_display *d)
+{
+ assert([NSThread isMainThread]);
+ if (!d) return;
+ d->depth++;
+ for (int i = d->count - 1; i >= 0; i--) {
+ if (i < d->count)
+ pump_window(d->windows[i]);
+ }
+ @autoreleasepool {
+ [NSApp updateWindows];
+ }
+ if (--d->depth == 0)
+ reap_dead(d);
+}
+
+void cocoa_surface_schedule_redraw(struct cocoa_surface *w)
+{
+ if (!w || w->closed) return;
+ w->want_draw = true;
+ w->idle_frames = 0;
+ if (w->link.paused) {
+ w->frame_due = true;
+ w->link.paused = NO;
+ }
+ if (darwin_ctx.loop)
+ yasl_loop_kick(darwin_ctx.loop);
+}
+
+static void app_init(const char *app_name)
+{
+ if (darwin_ctx.launched) return;
+ [NSApplication sharedApplication];
+ [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
+ NSWindow.allowsAutomaticWindowTabbing = NO;
+ darwin_ctx.delegate = [[YaslAppDelegate alloc] init];
+ NSApp.delegate = darwin_ctx.delegate;
+
+ NSString *ns_name = app_name ? [NSString stringWithUTF8String:app_name] : @"YASL";
+ NSMenu *menu = [[NSMenu alloc] init];
+ NSMenuItem *app_item = [[NSMenuItem alloc] init];
+ NSMenu *app_menu = [[NSMenu alloc] initWithTitle:ns_name];
+ [app_menu addItemWithTitle:[NSString stringWithFormat:@"About %@", ns_name]
+ action:@selector(orderFrontStandardAboutPanel:)
+ keyEquivalent:@""];
+ [app_menu addItem:[NSMenuItem separatorItem]];
+ [app_menu addItemWithTitle:[NSString stringWithFormat:@"Quit %@", ns_name]
+ action:@selector(terminate:)
+ keyEquivalent:@"q"];
+ app_item.submenu = app_menu;
+ [menu addItem:app_item];
+ [app_menu release];
+ [app_item release];
+ NSApp.mainMenu = menu;
+ [menu release];
+
+ darwin_ctx.key_up_monitor = [NSEvent addLocalMonitorForEventsMatchingMask:NSEventMaskKeyUp
+ handler:^NSEvent *(NSEvent *event) {
+ if (!(event.modifierFlags & NSEventModifierFlagCommand) || !event.window)
+ return event;
+ [event.window sendEvent:event];
+ return nil;
+ }];
+ [NSApp finishLaunching];
+ darwin_ctx.launched = true;
+}
+
+static void place_window(NSWindow *window)
+{
+ if (!darwin_ctx.count) {
+ [window center];
+ NSRect frame = window.frame;
+ darwin_ctx.cascade = NSMakePoint(frame.origin.x, frame.origin.y + frame.size.height);
+ return;
+ }
+ darwin_ctx.cascade = [window cascadeTopLeftFromPoint:darwin_ctx.cascade];
+}
+
+struct cocoa_display *cocoa_display_open(struct yasl_loop *loop, const struct yasl_display_spec *spec)
+{
+ assert([NSThread isMainThread]);
+ if (darwin_ctx.open) return NULL;
+ const char *name = spec && spec->app_id ? spec->app_id : "YASL";
+ @autoreleasepool { app_init(name); }
+ darwin_ctx.base.ops = &yasl_cocoa_backend;
+ darwin_ctx.base.native_handle = (__bridge void *)[NSApplication sharedApplication];
+ darwin_ctx.open = true;
+ if (!loop) {
+ darwin_ctx.loop = yasl_loop_create();
+ darwin_ctx.owns_loop = true;
+ } else {
+ darwin_ctx.loop = loop;
+ darwin_ctx.owns_loop = false;
+ }
+ darwin_ctx.base.loop = darwin_ctx.loop;
+ if (spec) {
+ darwin_ctx.base.callbacks = spec->cbs ? *spec->cbs : (struct yasl_display_cbs){0};
+ darwin_ctx.cbs = &darwin_ctx.base.callbacks;
+ darwin_ctx.ud = spec->ud;
+ if (spec->app_id) darwin_ctx.app_id = strdup(spec->app_id);
+ }
+ return &darwin_ctx;
+}
+
+void cocoa_display_close(struct cocoa_display *d)
+{
+ if (!d) return;
+ drag_end(d, YASL_DRAG_CANCELLED);
+ assert(!d->count && "destroy every surface before its display");
+ reap_dead(d);
+ if (d->key_up_monitor) {
+ [NSEvent removeMonitor:d->key_up_monitor];
+ d->key_up_monitor = nil;
+ }
+ if (d->owns_loop && d->loop) {
+ yasl_loop_destroy(d->loop);
+ d->loop = NULL;
+ d->base.loop = NULL;
+ }
+ NSApp.delegate = nil;
+ [d->delegate release];
+ d->delegate = nil;
+ [d->hidden_cursor release];
+ free(d->app_id);
+ free(d->windows);
+ *d = (struct cocoa_display){0};
+}
+
+uint32_t cocoa_display_caps(const struct cocoa_display *d)
+{
+ return d ? (YASL_CAP_POPUPS | YASL_CAP_DRAG | YASL_CAP_DRAG_CARRY |
+ YASL_CAP_PLACE_WINDOW | YASL_CAP_PRIMARY_SELECTION |
+ YASL_CAP_CSD | YASL_CAP_NATIVE_GRAPHICS |
+ YASL_CAP_FRAME_PACING | YASL_CAP_TABLET) : 0;
+}
+
+struct cocoa_surface *cocoa_surface_create_toplevel(struct cocoa_display *d,
+ const struct yasl_window_spec *spec, void *graphics_device)
+{
+ assert([NSThread isMainThread]);
+ if (!d || !d->open || !spec)
+ return NULL;
+ @autoreleasepool {
+ if (darwin_ctx.count >= darwin_ctx.capacity) {
+ int cap = darwin_ctx.capacity ? darwin_ctx.capacity * 2 : 16;
+ struct cocoa_surface **wins = realloc(darwin_ctx.windows, (size_t)cap * sizeof(*wins));
+ if (!wins) return NULL;
+ darwin_ctx.windows = wins;
+ darwin_ctx.capacity = cap;
+ }
+
+ struct cocoa_surface *w = calloc(1, sizeof(*w));
+ if (!w) return NULL;
+ w->base.display = &d->base;
+ cocoa_surface_set_callbacks(w, NULL, NULL);
+ w->clock.refresh_ns = YASL_REFRESH_DEFAULT_NS;
+ const char *t = spec->title ? spec->title : "YASL";
+ strncpy(w->title, t, sizeof(w->title) - 1);
+
+ int win_w = spec->size.x > 0 ? spec->size.x : 800;
+ int win_h = spec->size.y > 0 ? spec->size.y : 480;
+ NSWindowStyleMask style = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable |
+ NSWindowStyleMaskMiniaturizable | NSWindowStyleMaskResizable;
+ w->window = [[YaslWindow alloc] initWithContentRect:NSMakeRect(0, 0, win_w, win_h)
+ styleMask:style
+ backing:NSBackingStoreBuffered
+ defer:NO];
+ w->window.releasedWhenClosed = NO;
+ w->base.native_handle = (__bridge void *)w->window;
+ w->base.size = w->size;
+ w->base.scale_120 = w->scale_120;
+ w->controller = [[YaslWindowController alloc] initWithWindow:w->window];
+ w->controller.surface = w;
+ w->window.delegate = w->controller;
+ w->window.acceptsMouseMovedEvents = YES;
+ w->window.collectionBehavior = NSWindowCollectionBehaviorFullScreenPrimary;
+ w->window.titlebarAppearsTransparent = YES;
+ w->window.title = [NSString stringWithUTF8String:w->title] ?: @"YASL";
+ w->window.colorSpace = [NSColorSpace sRGBColorSpace];
+
+ w->view = [[YaslView alloc] initWithFrame:w->window.contentView.bounds];
+ w->window.contentView = w->view;
+ w->layer = (CAMetalLayer *)w->view.layer;
+ if (graphics_device) {
+ w->layer.device = (id<MTLDevice>)graphics_device;
+ } else {
+ id<MTLDevice> device = MTLCreateSystemDefaultDevice();
+ w->layer.device = device;
+ w->software_queue = [device newCommandQueue];
+ [device release];
+ if (!w->software_queue) {
+ w->window.delegate = nil;
+ w->controller.surface = NULL;
+ [w->window close];
+ [w->view release];
+ [w->controller release];
+ [w->window release];
+ free(w);
+ return NULL;
+ }
+ w->layer.framebufferOnly = NO;
+ }
+
+ w->link = [[w->view displayLinkWithTarget:w->view
+ selector:@selector(displayLinkFired:)] retain];
+ [w->link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
+
+ place_window(w->window);
+ w->window.surface = w;
+ w->view.surface = w;
+ darwin_ctx.windows[darwin_ctx.count++] = w;
+
+ [w->window makeKeyAndOrderFront:nil];
+ [w->window makeFirstResponder:w->view];
+ [NSApp activate];
+
+ sync_size(w, true);
+ if (spec->tearing) {
+ w->layer.displaySyncEnabled = NO;
+ w->unpaced = true;
+ }
+ if (spec->fullscreen)
+ [w->window toggleFullScreen:nil];
+ return w;
+ }
+}
+
+static void surface_free(struct cocoa_surface *w)
+{
+ [w->link release];
+ [w->software_buffer release];
+ [w->software_queue release];
+ [w->view release];
+ [w->controller release];
+ [w->window release];
+ free(w->preedit);
+ free(w->pixels);
+ free(w);
+}
+
+static void reap_dead(struct cocoa_display *d)
+{
+ assert(d->depth == 0);
+ while (d->dead) {
+ struct cocoa_surface *w = d->dead;
+ d->dead = w->dead_next;
+ surface_free(w);
+ }
+}
+
+void cocoa_surface_destroy(struct cocoa_surface *w)
+{
+ assert([NSThread isMainThread]);
+ if (!w || w->destroyed) return;
+ if (darwin_ctx.drag.active) {
+ if (darwin_ctx.drag.origin == w || darwin_ctx.drag.carried == w)
+ drag_end(&darwin_ctx, YASL_DRAG_CANCELLED);
+ else if (darwin_ctx.drag.hover == w)
+ darwin_ctx.drag.hover = NULL;
+ }
+ if (w->is_popup && w->parent && w->parent->window) {
+ [w->parent->window removeChildWindow:w->window];
+ w->parent = NULL;
+ }
+ for (int i = 0; i < darwin_ctx.count; i++) {
+ if (darwin_ctx.windows[i]->parent == w) {
+ if (w->window && darwin_ctx.windows[i]->window)
+ [w->window removeChildWindow:darwin_ctx.windows[i]->window];
+ darwin_ctx.windows[i]->parent = NULL;
+ }
+ }
+ w->buttons = 0;
+ w->tablet_down = false;
+ darwin_ctx.depth++;
+ bool native_closed = w->closed;
+ static const struct yasl_window_cbs no_callbacks = {0};
+ w->destroyed = true;
+ w->closed = true;
+ w->cbs = &no_callbacks;
+ w->ud = NULL;
+ [w->link invalidate];
+ w->window.delegate = nil;
+ w->controller.surface = NULL;
+ w->window.surface = NULL;
+ w->view.surface = NULL;
+ if (!native_closed)
+ [w->window close];
+ input_queue_clear(&w->input);
+ w->dead_next = darwin_ctx.dead;
+ darwin_ctx.dead = w;
+
+ for (int i = 0; i < darwin_ctx.count; i++) {
+ if (darwin_ctx.windows[i] == w) {
+ darwin_ctx.windows[i] = darwin_ctx.windows[--darwin_ctx.count];
+ break;
+ }
+ }
+ if (!darwin_ctx.count) {
+ free(darwin_ctx.windows);
+ darwin_ctx.windows = NULL;
+ darwin_ctx.capacity = 0;
+ darwin_ctx.cascade = NSZeroPoint;
+ }
+ darwin_ctx.depth--;
+ if (darwin_ctx.loop)
+ yasl_loop_kick(darwin_ctx.loop);
+}
+
+struct cocoa_display *cocoa_surface_display(const struct cocoa_surface *w)
+{
+ return w ? &darwin_ctx : NULL;
+}
+
+void cocoa_surface_set_title(struct cocoa_surface *w, const char *title)
+{
+ if (!w || w->closed || !title) return;
+ strncpy(w->title, title, sizeof(w->title) - 1);
+ w->window.title = [NSString stringWithUTF8String:w->title] ?: @"YASL";
+}
+
+void cocoa_surface_set_background_color(struct cocoa_surface *w, uint32_t bg)
+{
+ if (!w || w->closed) return;
+ w->bg_color = bg;
+ double r = ((bg >> 16) & 0xff) / 255.0;
+ double g = ((bg >> 8) & 0xff) / 255.0;
+ double b = (bg & 0xff) / 255.0;
+ w->window.backgroundColor = [NSColor colorWithSRGBRed:r green:g blue:b alpha:1.0];
+ bool dark = 0.299 * r + 0.587 * g + 0.114 * b < 0.5;
+ w->window.appearance = [NSAppearance appearanceNamed:
+ dark ? NSAppearanceNameDarkAqua : NSAppearanceNameAqua];
+}
+
+void cocoa_surface_set_cursor(struct cocoa_surface *w, enum yasl_cursor cursor)
+{
+ if (!w || w->closed || cursor == w->cursor || (unsigned)cursor > YASL_CURSOR_HIDDEN) return;
+ w->cursor = cursor;
+ NSPoint p = [w->view convertPoint:w->window.mouseLocationOutsideOfEventStream fromView:nil];
+ if (w->window.isKeyWindow && NSPointInRect(p, w->view.bounds))
+ [cocoa_cursor(cursor) set];
+}
+
+bool cocoa_surface_place_under_pointer(struct cocoa_surface *w, struct yasl_vector2i at)
+{
+ if (!w || w->closed || !w->window) return false;
+ CGFloat scale = w->window.backingScaleFactor;
+ if (scale < 1.0) scale = 1.0;
+ NSPoint mouse = [NSEvent mouseLocation];
+ NSRect content = [w->window contentRectForFrameRect:w->window.frame];
+ NSPoint origin = NSMakePoint(mouse.x - at.x / scale,
+ mouse.y - content.size.height + at.y / scale);
+ [w->window setFrameOrigin:[w->window frameRectForContentRect:
+ (NSRect){ .origin = origin, .size = content.size }].origin];
+ return true;
+}
+
+void cocoa_surface_set_ime_caret(struct cocoa_surface *w, struct yasl_rect2i caret)
+{
+ if (w) w->ime_caret = caret;
+}
+
+const char *cocoa_surface_ime_preedit(const struct cocoa_surface *w)
+{
+ return w ? w->preedit : NULL;
+}
+
+bool cocoa_surface_ime_preedit_cursor(const struct cocoa_surface *w, int *begin, int *end)
+{
+ (void)w; (void)begin; (void)end;
+ return false;
+}
+
+static NSPasteboard *pasteboard_for_selection(enum yasl_selection sel)
+{
+ switch (sel) {
+ case YASL_CLIPBOARD:
+ return [NSPasteboard generalPasteboard];
+ case YASL_PRIMARY:
+ return [NSPasteboard pasteboardWithName:@"dev.wsap.yasl.primary"];
+ default:
+ return nil;
+ }
+}
+
+void cocoa_display_copy(struct cocoa_display *d, enum yasl_selection sel, const char *text)
+{
+ (void)d;
+ if (!text) return;
+ NSPasteboard *pb = pasteboard_for_selection(sel);
+ if (!pb) return;
+ NSString *s = [NSString stringWithUTF8String:text];
+ if (!s) return;
+ [pb clearContents];
+ [pb setString:s forType:NSPasteboardTypeString];
+}
+
+void cocoa_display_paste(struct cocoa_display *d, enum yasl_selection sel, struct cocoa_surface *target)
+{
+ (void)d;
+ if (!target) return;
+ NSPasteboard *pb = pasteboard_for_selection(sel);
+ if (!pb) return;
+ NSString *s = [pb stringForType:NSPasteboardTypeString];
+ const char *utf8 = s ? s.UTF8String : NULL;
+ if (utf8) {
+ struct yasl_input_event ev = {
+ .kind = YASL_INPUT_PASTE,
+ .surface = &target->base,
+ .paste = { .text = utf8, .len = strlen(utf8) },
+ };
+ input_queue_push(&target->input, &ev);
+ }
+}
+
+int cocoa_display_modifiers(const struct cocoa_display *d)
+{
+ (void)d;
+ return (int)cocoa_mods(NSEvent.modifierFlags);
+}
+
+struct yasl_geometry cocoa_surface_geometry(const struct cocoa_surface *w)
+{
+ return (struct yasl_geometry){
+ .size = w ? w->size : (struct yasl_vector2i){0},
+ .scale_120 = w ? w->scale_120 : YASL_SCALE_UNIT,
+ };
+}
+
+static bool popup_spec_valid(const struct cocoa_surface *parent,
+ const struct yasl_popup_spec *spec)
+{
+ if (!parent || !spec) return false;
+ int parent_cx = parent->is_popup ? parent->content_offset.x : 0;
+ int parent_cy = parent->is_popup ? parent->content_offset.y : 0;
+ int64_t x = (int64_t)spec->anchor.x - parent_cx;
+ int64_t y = (int64_t)spec->anchor.y - parent_cy;
+ return x >= -32768 && x <= 32767 && y >= -32768 && y <= 32767 &&
+ spec->anchor.width >= 0 && spec->anchor.height >= 0 &&
+ spec->size.x > 0 && spec->size.y > 0 &&
+ spec->size.x <= 32767 && spec->size.y <= 32767 &&
+ spec->content_offset.x >= 0 && spec->content_offset.y >= 0 &&
+ spec->content_size.x >= 0 && spec->content_size.y >= 0 &&
+ (int64_t)spec->content_offset.x + spec->content_size.x <= spec->size.x &&
+ (int64_t)spec->content_offset.y + spec->content_size.y <= spec->size.y;
+}
+
+static NSRect popup_calc_frame(struct cocoa_surface *parent, const struct yasl_popup_spec *spec)
+{
+ CGFloat scale = parent->window ? parent->window.backingScaleFactor : 1.0;
+ if (scale < 1.0) scale = 1.0;
+
+ CGFloat pcx = (parent->is_popup ? parent->content_offset.x : 0) / scale;
+ CGFloat pcy = (parent->is_popup ? parent->content_offset.y : 0) / scale;
+
+ CGFloat pw = spec->size.x / scale;
+ CGFloat ph = spec->size.y / scale;
+ CGFloat ax = (spec->anchor.x / scale) - pcx;
+ CGFloat ay = (spec->anchor.y / scale) - pcy;
+ CGFloat aw = spec->anchor.width / scale;
+ CGFloat ah = spec->anchor.height / scale;
+ CGFloat ox = spec->content_offset.x / scale;
+ CGFloat oy = spec->content_offset.y / scale;
+
+ CGFloat top_left_x = spec->beside ? (ax + aw - ox) : (ax - ox);
+ CGFloat top_left_y = spec->beside ? (ay - oy) : (ay + ah - oy);
+
+ CGFloat view_h = parent->view.bounds.size.height;
+ CGFloat view_y = view_h - top_left_y;
+
+ NSPoint ptInView = NSMakePoint(top_left_x, view_y);
+ NSPoint ptInWin = [parent->view convertPoint:ptInView toView:nil];
+ NSPoint screen_tl = [parent->window convertPointToScreen:ptInWin];
+
+ NSRect frame = NSMakeRect(screen_tl.x, screen_tl.y - ph, pw, ph);
+
+ NSScreen *screen = parent->window.screen ?: [NSScreen mainScreen];
+ if (screen) {
+ NSRect visible = screen.visibleFrame;
+ if (NSMaxX(frame) > NSMaxX(visible)) {
+ if (spec->beside) {
+ CGFloat flip_tl_x = ax - pw + ox;
+ NSPoint flip_v = NSMakePoint(flip_tl_x, view_y);
+ NSPoint flip_w = [parent->view convertPoint:flip_v toView:nil];
+ NSPoint flip_s = [parent->window convertPointToScreen:flip_w];
+ frame.origin.x = flip_s.x;
+ }
+ if (NSMaxX(frame) > NSMaxX(visible))
+ frame.origin.x = NSMaxX(visible) - frame.size.width;
+ }
+ if (NSMinX(frame) < NSMinX(visible))
+ frame.origin.x = NSMinX(visible);
+
+ if (NSMinY(frame) < NSMinY(visible)) {
+ if (!spec->beside) {
+ CGFloat flip_top_y = ay - ph + oy;
+ CGFloat flip_vy = view_h - flip_top_y;
+ NSPoint flip_v = NSMakePoint(top_left_x, flip_vy);
+ NSPoint flip_w = [parent->view convertPoint:flip_v toView:nil];
+ NSPoint flip_s = [parent->window convertPointToScreen:flip_w];
+ frame.origin.y = flip_s.y - ph;
+ }
+ if (NSMinY(frame) < NSMinY(visible))
+ frame.origin.y = NSMinY(visible);
+ }
+ if (NSMaxY(frame) > NSMaxY(visible))
+ frame.origin.y = NSMaxY(visible) - frame.size.height;
+ }
+ return frame;
+}
+
+struct cocoa_surface *cocoa_surface_create_popup(struct cocoa_surface *parent,
+ const struct yasl_popup_spec *spec)
+{
+ assert([NSThread isMainThread]);
+ if (!parent || parent->closed || !parent->window || !parent->view ||
+ !popup_spec_valid(parent, spec))
+ return NULL;
+
+ @autoreleasepool {
+ if (darwin_ctx.count >= darwin_ctx.capacity) {
+ int cap = darwin_ctx.capacity ? darwin_ctx.capacity * 2 : 16;
+ struct cocoa_surface **wins = realloc(darwin_ctx.windows, (size_t)cap * sizeof(*wins));
+ if (!wins) return NULL;
+ darwin_ctx.windows = wins;
+ darwin_ctx.capacity = cap;
+ }
+
+ struct cocoa_surface *w = calloc(1, sizeof(*w));
+ if (!w) return NULL;
+ w->base.display = parent->base.display;
+ cocoa_surface_set_callbacks(w, NULL, NULL);
+ w->clock.refresh_ns = parent->clock.refresh_ns ? parent->clock.refresh_ns : YASL_REFRESH_DEFAULT_NS;
+ w->parent = parent;
+ w->is_popup = true;
+ w->content_offset = spec->content_offset;
+
+ NSRect frame = popup_calc_frame(parent, spec);
+ NSWindowStyleMask style = NSWindowStyleMaskBorderless;
+ w->window = [[YaslWindow alloc] initWithContentRect:frame
+ styleMask:style
+ backing:NSBackingStoreBuffered
+ defer:NO];
+ w->window.releasedWhenClosed = NO;
+ w->base.native_handle = (__bridge void *)w->window;
+ w->base.size = w->size;
+ w->base.scale_120 = w->scale_120;
+ w->window.opaque = NO;
+ w->window.backgroundColor = [NSColor clearColor];
+ w->window.hasShadow = NO;
+ w->controller = [[YaslWindowController alloc] initWithWindow:w->window];
+ w->controller.surface = w;
+ w->window.delegate = w->controller;
+ w->window.acceptsMouseMovedEvents = YES;
+ w->window.colorSpace = [NSColorSpace sRGBColorSpace];
+
+ w->view = [[YaslView alloc] initWithFrame:w->window.contentView.bounds];
+ w->window.contentView = w->view;
+ w->layer = (CAMetalLayer *)w->view.layer;
+ w->layer.opaque = NO;
+ w->layer.device = parent->layer.device;
+ if (parent->software_queue) {
+ w->software_queue = [w->layer.device newCommandQueue];
+ if (!w->software_queue) {
+ w->window.delegate = nil;
+ w->controller.surface = NULL;
+ [w->view release];
+ [w->controller release];
+ [w->window release];
+ free(w);
+ return NULL;
+ }
+ w->layer.framebufferOnly = NO;
+ } else {
+ w->layer.framebufferOnly = parent->layer.framebufferOnly;
+ }
+
+ w->link = [[w->view displayLinkWithTarget:w->view
+ selector:@selector(displayLinkFired:)] retain];
+ [w->link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
+
+ w->window.surface = w;
+ w->view.surface = w;
+ darwin_ctx.windows[darwin_ctx.count++] = w;
+
+ [parent->window addChildWindow:w->window ordered:NSWindowAbove];
+ [w->window orderFront:nil];
+
+ sync_size(w, true);
+ return w;
+ }
+}
+
+bool cocoa_surface_popup_reposition(struct cocoa_surface *popup,
+ const struct yasl_popup_spec *spec)
+{
+ if (!popup || popup->closed || !popup->is_popup || !popup->parent ||
+ !popup->parent->window || !popup->parent->view ||
+ !popup_spec_valid(popup->parent, spec))
+ return false;
+
+ @autoreleasepool {
+ popup->content_offset = spec->content_offset;
+ NSRect frame = popup_calc_frame(popup->parent, spec);
+ [popup->window setFrame:frame display:YES];
+ sync_size(popup, false);
+ return true;
+ }
+}
+
+bool cocoa_surface_start_interactive_move(struct cocoa_surface *s)
+{
+ if (!s || !s->window) return false;
+ [s->window performWindowDragWithEvent:[NSApp currentEvent]];
+ return true;
+}
+
+static NSImage *image_from_pixels(const uint32_t *pixels, int width, int height)
+{
+ if (!pixels || width <= 0 || height <= 0)
+ return nil;
+ CGColorSpaceRef cs = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
+ if (!cs) return nil;
+ size_t bytes = (size_t)width * (size_t)height * 4;
+ CFDataRef data = CFDataCreate(kCFAllocatorDefault, (const UInt8 *)pixels, (CFIndex)bytes);
+ CGDataProviderRef provider = data ? CGDataProviderCreateWithCFData(data) : NULL;
+ if (data)
+ CFRelease(data);
+ if (!provider) {
+ CGColorSpaceRelease(cs);
+ return nil;
+ }
+ CGImageRef cgImage = CGImageCreate((size_t)width, (size_t)height,
+ 8, 32, (size_t)width * 4, cs,
+ kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little,
+ provider, NULL, NO, kCGRenderingIntentDefault);
+ CGDataProviderRelease(provider);
+ CGColorSpaceRelease(cs);
+ if (!cgImage)
+ return nil;
+ NSImage *image = [[NSImage alloc] initWithCGImage:cgImage size:NSMakeSize(width, height)];
+ CGImageRelease(cgImage);
+ return image;
+}
+
+bool cocoa_display_drag_start(struct cocoa_display *d, struct cocoa_surface *origin,
+ const struct yasl_drag_image *image,
+ const struct yasl_drag_listener *l, void *ud)
+{
+ if (!d || !origin || d->drag.active || !l)
+ return false;
+ d->drag.active = true;
+ d->drag.origin = origin;
+ d->drag.carried = NULL;
+ d->drag.hover = NULL;
+ d->drag.hover_pos = (struct yasl_vector2i){0};
+ d->drag.listener = *l;
+ d->drag.ud = ud;
+ [d->drag.image release];
+ d->drag.image = nil;
+ if (d->drag.image_window) {
+ [d->drag.image_window close];
+ [d->drag.image_window release];
+ d->drag.image_window = nil;
+ }
+ if (image && image->pixels && image->size.x > 0 && image->size.y > 0) {
+ d->drag.image = image_from_pixels(image->pixels, image->size.x, image->size.y);
+ d->drag.image_size = image->size;
+ d->drag.image_hotspot = image->hotspot;
+ if (d->drag.image) {
+ CGFloat scale = origin->window ? origin->window.backingScaleFactor : 1.0;
+ if (scale < 1.0) scale = 1.0;
+ CGFloat pt_w = image->size.x / scale;
+ CGFloat pt_h = image->size.y / scale;
+ NSWindow *win = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, pt_w, pt_h)
+ styleMask:NSWindowStyleMaskBorderless
+ backing:NSBackingStoreBuffered
+ defer:NO];
+ win.releasedWhenClosed = NO;
+ win.opaque = NO;
+ win.backgroundColor = [NSColor clearColor];
+ win.ignoresMouseEvents = YES;
+ win.level = NSFloatingWindowLevel;
+ win.hasShadow = YES;
+ NSImageView *iv = [[NSImageView alloc] initWithFrame:NSMakeRect(0, 0, pt_w, pt_h)];
+ iv.image = d->drag.image;
+ iv.imageScaling = NSImageScaleAxesIndependently;
+ win.contentView = iv;
+ [iv release];
+ d->drag.image_window = win;
+ NSPoint mouse = [NSEvent mouseLocation];
+ [win setFrameOrigin:NSMakePoint(mouse.x - image->hotspot.x / scale,
+ mouse.y - pt_h + image->hotspot.y / scale)];
+ [win orderFront:nil];
+ }
+ }
+ update_drag_hover(d, [NSEvent mouseLocation]);
+ return true;
+}
+
+void cocoa_display_drag_cancel(struct cocoa_display *d)
+{
+ drag_end(d, YASL_DRAG_CANCELLED);
+}
+
+bool cocoa_surface_drag_carry(struct cocoa_surface *w, struct yasl_vector2i offset)
+{
+ if (!w || w->closed || !darwin_ctx.drag.active)
+ return false;
+ if (darwin_ctx.drag.image_window) {
+ [darwin_ctx.drag.image_window close];
+ [darwin_ctx.drag.image_window release];
+ darwin_ctx.drag.image_window = nil;
+ }
+ darwin_ctx.drag.carried = w;
+ darwin_ctx.drag.carry_offset = offset;
+ return cocoa_surface_place_under_pointer(w, offset);
+}
+
+bool cocoa_surface_start_interactive_resize(struct cocoa_surface *s, enum yasl_resize_edge edge)
+{
+ (void)s; (void)edge;
+ return false;
+}
+
+bool cocoa_surface_show_window_menu(struct cocoa_surface *s, struct yasl_vector2i pos)
+{
+ (void)s; (void)pos;
+ return false;
+}
+
+void *cocoa_display_get_native_handle(struct cocoa_display *d)
+{
+ return d ? (void *)NSApp : NULL;
+}
+
+void *cocoa_surface_get_native_handle(struct cocoa_surface *s)
+{
+ return s ? (void *)s->window : NULL;
+}
+
+
+
+void cocoa_surface_set_callbacks(struct cocoa_surface *w,
+ const struct yasl_window_cbs *cbs, void *ud)
+{
+ if (!w || w->closed) return;
+ w->base.callbacks = cbs ? *cbs : (struct yasl_window_cbs){0};
+ w->cbs = &w->base.callbacks;
+ w->ud = ud;
+}
+
+bool cocoa_surface_input_poll(struct cocoa_surface *w, struct yasl_input_event *ev)
+{
+ if (!w || !ev || !input_queue_pop(&w->input, ev))
+ return false;
+ if (ev->kind == YASL_INPUT_RESET) {
+ w->buttons = 0;
+ w->tablet_down = false;
+ w->mods = 0;
+ if (w->preedit) {
+ free(w->preedit);
+ w->preedit = NULL;
+ }
+ }
+ return true;
+}
+
+uint32_t cocoa_surface_state(const struct cocoa_surface *w)
+{
+ return w ? w->state : 0;
+}
+
+struct yasl_timing cocoa_surface_timing(const struct cocoa_surface *w)
+{
+ struct yasl_timing timing = {0};
+ if (w) {
+ timing.refresh_ns = w->clock.refresh_ns;
+ timing.last_present_ns = w->clock.last_present_ns;
+ timing.next_present_ns = yasl_clock_next_present_ns(&w->clock);
+ timing.frames_skipped = w->frames_skipped;
+ timing.source = w->clock.source;
+ yasl_clock_resize_stats(&w->clock, &timing.resize);
+ }
+ return timing;
+}
+
+uint64_t cocoa_surface_frame_time_ns(struct cocoa_surface *w, uint64_t now)
+{
+ return w ? yasl_clock_frame_timestamp_ns(&w->clock, now) : now;
+}
+
+static struct yasl_display *impl_display_open(struct yasl_loop *loop, const struct yasl_display_spec *spec)
+{
+ struct cocoa_display *result = cocoa_display_open(loop, spec);
+ return result ? &result->base : NULL;
+}
+
+static void impl_display_close(struct yasl_display *d)
+{
+ cocoa_display_close((struct cocoa_display *)d);
+}
+
+static uint32_t impl_display_caps(const struct yasl_display *d)
+{
+ return cocoa_display_caps((const struct cocoa_display *)d);
+}
+
+static int impl_display_dispatch_timeout(struct yasl_display *d, int timeout_ms)
+{
+ return cocoa_display_dispatch_timeout((struct cocoa_display *)d, timeout_ms);
+}
+
+static void impl_display_flush(struct yasl_display *d)
+{
+ cocoa_display_flush((struct cocoa_display *)d);
+}
+
+static int impl_display_modifiers(const struct yasl_display *d)
+{
+ return cocoa_display_modifiers((const struct cocoa_display *)d);
+}
+
+static void impl_display_copy(struct yasl_display *d, enum yasl_selection sel, const char *text)
+{
+ cocoa_display_copy((struct cocoa_display *)d, sel, text);
+}
+
+static void impl_display_paste(struct yasl_display *d, enum yasl_selection sel, struct yasl_surface *target)
+{
+ cocoa_display_paste((struct cocoa_display *)d, sel, (struct cocoa_surface *)target);
+}
+
+static bool impl_display_drag_start(struct yasl_display *d, struct yasl_surface *origin, const struct yasl_drag_image *image, const struct yasl_drag_listener *l, void *ud)
+{
+ return cocoa_display_drag_start((struct cocoa_display *)d, (struct cocoa_surface *)origin, image, l, ud);
+}
+
+static void impl_display_drag_cancel(struct yasl_display *d)
+{
+ cocoa_display_drag_cancel((struct cocoa_display *)d);
+}
+
+static struct yasl_surface *impl_surface_create_toplevel(struct yasl_display *d,
+ const struct yasl_window_spec *spec, void *graphics_device)
+{
+ struct cocoa_surface *result = cocoa_surface_create_toplevel((struct cocoa_display *)d, spec, graphics_device);
+ return result ? &result->base : NULL;
+}
+
+static struct yasl_surface *impl_surface_create_popup(struct yasl_surface *parent, const struct yasl_popup_spec *spec)
+{
+ struct cocoa_surface *result = cocoa_surface_create_popup((struct cocoa_surface *)parent, spec);
+ return result ? &result->base : NULL;
+}
+
+static bool impl_surface_popup_reposition(struct yasl_surface *popup, const struct yasl_popup_spec *spec)
+{
+ return cocoa_surface_popup_reposition((struct cocoa_surface *)popup, spec);
+}
+
+static void impl_surface_destroy(struct yasl_surface *s)
+{
+ cocoa_surface_destroy((struct cocoa_surface *)s);
+}
+
+static struct yasl_display *impl_surface_display(const struct yasl_surface *s)
+{
+ struct cocoa_display *result = cocoa_surface_display((const struct cocoa_surface *)s);
+ return result ? &result->base : NULL;
+}
+
+static void impl_surface_set_callbacks(struct yasl_surface *s, const struct yasl_window_cbs *cbs, void *ud)
+{
+ cocoa_surface_set_callbacks((struct cocoa_surface *)s, cbs, ud);
+}
+
+static void impl_surface_set_title(struct yasl_surface *s, const char *title)
+{
+ cocoa_surface_set_title((struct cocoa_surface *)s, title);
+}
+
+static void impl_surface_schedule_redraw(struct yasl_surface *s)
+{
+ cocoa_surface_schedule_redraw((struct cocoa_surface *)s);
+}
+
+static bool impl_surface_present(struct yasl_surface *s, const struct yasl_framebuffer *fb, const struct yasl_damage_list *damage)
+{
+ return cocoa_surface_present((struct cocoa_surface *)s, fb, damage);
+}
+
+static bool impl_surface_input_poll(struct yasl_surface *s, struct yasl_input_event *ev)
+{
+ return cocoa_surface_input_poll((struct cocoa_surface *)s, ev);
+}
+
+static struct yasl_geometry impl_surface_geometry(const struct yasl_surface *s)
+{
+ return cocoa_surface_geometry((const struct cocoa_surface *)s);
+}
+
+static uint32_t impl_surface_state(const struct yasl_surface *s)
+{
+ return cocoa_surface_state((const struct cocoa_surface *)s);
+}
+
+static struct yasl_timing impl_surface_timing(const struct yasl_surface *s)
+{
+ return cocoa_surface_timing((const struct cocoa_surface *)s);
+}
+
+static uint64_t impl_surface_frame_time_ns(struct yasl_surface *s, uint64_t now)
+{
+ return cocoa_surface_frame_time_ns((struct cocoa_surface *)s, now);
+}
+
+static void impl_surface_set_cursor(struct yasl_surface *s, enum yasl_cursor cursor)
+{
+ cocoa_surface_set_cursor((struct cocoa_surface *)s, cursor);
+}
+
+static void impl_surface_set_background_color(struct yasl_surface *s, uint32_t bg)
+{
+ cocoa_surface_set_background_color((struct cocoa_surface *)s, bg);
+}
+
+static const char *impl_surface_ime_preedit(const struct yasl_surface *s)
+{
+ return cocoa_surface_ime_preedit((const struct cocoa_surface *)s);
+}
+
+static bool impl_surface_ime_preedit_cursor(const struct yasl_surface *s, int *begin, int *end)
+{
+ return cocoa_surface_ime_preedit_cursor((const struct cocoa_surface *)s, begin, end);
+}
+
+static void impl_surface_set_ime_caret(struct yasl_surface *s, struct yasl_rect2i caret)
+{
+ cocoa_surface_set_ime_caret((struct cocoa_surface *)s, caret);
+}
+
+static bool impl_surface_start_interactive_move(struct yasl_surface *s)
+{
+ return cocoa_surface_start_interactive_move((struct cocoa_surface *)s);
+}
+
+static bool impl_surface_start_interactive_resize(struct yasl_surface *s, enum yasl_resize_edge edge)
+{
+ return cocoa_surface_start_interactive_resize((struct cocoa_surface *)s, edge);
+}
+
+static bool impl_surface_show_window_menu(struct yasl_surface *s, struct yasl_vector2i pos)
+{
+ return cocoa_surface_show_window_menu((struct cocoa_surface *)s, pos);
+}
+
+static bool impl_surface_drag_carry(struct yasl_surface *s, struct yasl_vector2i offset)
+{
+ return cocoa_surface_drag_carry((struct cocoa_surface *)s, offset);
+}
+
+static bool impl_surface_place_under_pointer(struct yasl_surface *s, struct yasl_vector2i at)
+{
+ return cocoa_surface_place_under_pointer((struct cocoa_surface *)s, at);
+}
+
+static void *impl_display_get_native_handle(struct yasl_display *d)
+{
+ return cocoa_display_get_native_handle((struct cocoa_display *)d);
+}
+
+static void *impl_surface_get_native_handle(struct yasl_surface *s)
+{
+ return cocoa_surface_get_native_handle((struct cocoa_surface *)s);
+}
+
+static bool impl_surface_get_native_frame(struct yasl_surface *s,
+ const struct yasl_framebuffer *target, struct yasl_native_frame *out)
+{
+ struct cocoa_surface *w = (struct cocoa_surface *)s;
+ if (w->closed || !w->rendering || w->did_present || !w->drawable ||
+ target->pixels != w->frame.target.pixels ||
+ target->size.x != w->size.x || target->size.y != w->size.y)
+ return false;
+ *out = (struct yasl_native_frame){(void *)w->drawable, w->transaction};
+ return true;
+}
+
+const struct yasl_backend_ops yasl_cocoa_backend = {
+ .type = YASL_BACKEND_COCOA,
+ .display_open = impl_display_open,
+ .display_close = impl_display_close,
+ .display_caps = impl_display_caps,
+ .display_dispatch_timeout = impl_display_dispatch_timeout,
+ .display_flush = impl_display_flush,
+ .display_modifiers = impl_display_modifiers,
+ .display_copy = impl_display_copy,
+ .display_paste = impl_display_paste,
+ .display_drag_start = impl_display_drag_start,
+ .display_drag_cancel = impl_display_drag_cancel,
+ .surface_create_toplevel = impl_surface_create_toplevel,
+ .surface_create_popup = impl_surface_create_popup,
+ .surface_popup_reposition = impl_surface_popup_reposition,
+ .surface_destroy = impl_surface_destroy,
+ .surface_display = impl_surface_display,
+ .surface_set_callbacks = impl_surface_set_callbacks,
+ .surface_set_title = impl_surface_set_title,
+ .surface_schedule_redraw = impl_surface_schedule_redraw,
+ .surface_present = impl_surface_present,
+ .surface_input_poll = impl_surface_input_poll,
+ .surface_geometry = impl_surface_geometry,
+ .surface_state = impl_surface_state,
+ .surface_timing = impl_surface_timing,
+ .surface_frame_time_ns = impl_surface_frame_time_ns,
+ .surface_set_cursor = impl_surface_set_cursor,
+ .surface_set_background_color = impl_surface_set_background_color,
+ .surface_ime_preedit = impl_surface_ime_preedit,
+ .surface_ime_preedit_cursor = impl_surface_ime_preedit_cursor,
+ .surface_set_ime_caret = impl_surface_set_ime_caret,
+ .surface_start_interactive_move = impl_surface_start_interactive_move,
+ .surface_start_interactive_resize = impl_surface_start_interactive_resize,
+ .surface_show_window_menu = impl_surface_show_window_menu,
+ .surface_drag_carry = impl_surface_drag_carry,
+ .surface_place_under_pointer = impl_surface_place_under_pointer,
+ .display_get_native_handle = impl_display_get_native_handle,
+ .surface_get_native_handle = impl_surface_get_native_handle,
+ .surface_get_native_frame = impl_surface_get_native_frame,
+};
+
+NSApplication *yasl_cocoa_display_get_application(struct yasl_display *d)
+{
+ return (d && yasl_display_backend(d) == YASL_BACKEND_COCOA) ?
+ (NSApplication *)yasl_display_get_native_handle(d) : nil;
+}
+
+NSWindow *yasl_cocoa_surface_get_window(struct yasl_surface *s)
+{
+ return (s && s->display && yasl_display_backend(s->display) == YASL_BACKEND_COCOA) ?
+ (NSWindow *)yasl_surface_get_native_handle(s) : nil;
+}
+
+NSView *yasl_cocoa_surface_get_view(struct yasl_surface *s)
+{
+ NSWindow *w = yasl_cocoa_surface_get_window(s);
+ return w ? w.contentView : nil;
+}