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4coder/platform_mac/mac_4ed.mm

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/* Mac Objective-C layer for 4coder */
#define FPS 60
#define frame_useconds (1000000 / FPS)
#include "4coder_base_types.h"
#include "4coder_version.h"
#include "4coder_events.h"
#include "4coder_table.h"
// NOTE(allen): This is a very unfortunate hack, but hopefully there will never be a need to use the Marker
// type in the platform layer. If that changes then instead change the name of Marker and make a transition
// macro that is only included in custom code.
#define Marker Marker__SAVE_THIS_IDENTIFIER
#include "4coder_types.h"
#undef Marker
#include "4coder_default_colors.h"
#include "4coder_system_types.h"
#define STATIC_LINK_API
#include "generated/system_api.h"
#include "4ed_font_interface.h"
#define STATIC_LINK_API
#include "generated/graphics_api.h"
#define STATIC_LINK_API
#include "generated/font_api.h"
#include "4ed_font_set.h"
#include "4ed_render_target.h"
#include "4ed_search_list.h"
#include "4ed.h"
#include "generated/system_api.cpp"
#include "generated/graphics_api.cpp"
#include "generated/font_api.cpp"
#include "4coder_base_types.cpp"
#include "4coder_stringf.cpp"
#include "4coder_events.cpp"
#include "4coder_hash_functions.cpp"
#include "4coder_table.cpp"
#include "4coder_log.cpp"
#include "4ed_search_list.cpp"
#include "mac_objective_c_to_cpp_links.h"
#undef function
#undef internal
#undef global
#undef external
#import <Cocoa/Cocoa.h>
#include <libproc.h> // NOTE(yuval): Used for proc_pidpath
#include <Carbon/Carbon.h> // NOTE(yuval): Used for virtual key codes
#include <mach/mach_time.h> // NOTE(yuval): Used for mach_absolute_time, mach_timebase_info, mach_timebase_info_data_t
#include <dirent.h> // NOTE(yuval): Used for opendir, readdir
#include <dlfcn.h> // NOTE(yuval): Used for dlopen, dlclose, dlsym
#include <errno.h> // NOTE(yuval): Used for errno
#include <fcntl.h> // NOTE(yuval): Used for open
#include <pthread.h> // NOTE(yuval): Used for threads, mutexes, cvs
#include <unistd.h> // NOTE(yuval): Used for getcwd, read, write, getpid
#include <sys/mman.h> // NOTE(yuval): Used for mmap, munmap, mprotect
#include <sys/stat.h> // NOTE(yuval): Used for stat
#include <sys/types.h> // NOTE(yuval): Used for struct stat, pid_t
#include <stdlib.h> // NOTE(yuval): Used for free
#define function static
#define internal static
#define global static
#define external extern "C"
struct Control_Keys{
b8 l_ctrl;
b8 r_ctrl;
b8 l_alt;
b8 r_alt;
b8 l_shift;
b8 r_shift;
b8 l_command;
b8 r_command;
};
struct Mac_Input_Chunk_Transient{
Input_List event_list;
b8 mouse_l_press;
b8 mouse_l_release;
b8 mouse_r_press;
b8 mouse_r_release;
b8 out_of_window;
i8 mouse_wheel;
b8 trying_to_kill;
};
struct Mac_Input_Chunk_Persistent{
Vec2_i32 mouse;
Control_Keys controls;
Input_Modifier_Set_Fixed modifiers;
b8 mouse_l;
b8 mouse_r;
};
struct Mac_Input_Chunk{
Mac_Input_Chunk_Transient trans;
Mac_Input_Chunk_Persistent pers;
};
////////////////////////////////
#define SLASH '/'
#define DLL "so"
#include "4coder_hash_functions.cpp"
#include "4coder_system_allocator.cpp"
#include "4coder_malloc_allocator.cpp"
#include "4coder_codepoint_map.cpp"
#include "4ed_mem.cpp"
#include "4ed_font_set.cpp"
////////////////////////////////
@interface FCoder_App_Delegate : NSObject<NSApplicationDelegate>
@end
@interface FCoder_Window_Delegate : NSObject<NSWindowDelegate>
- (void)process_focus_event;
@end
@interface FCoder_View : NSView
- (void)request_display;
- (void)check_clipboard;
- (void)process_keyboard_event:(NSEvent*)event down:(b8)down;
- (void)process_mouse_move_event:(NSEvent*)event;
@end
////////////////////////////////
typedef i32 Mac_Object_Kind;
enum{
MacObjectKind_ERROR = 0,
MacObjectKind_Timer = 1,
MacObjectKind_Thread = 2,
MacObjectKind_Mutex = 3,
MacObjectKind_CV = 4,
};
struct Mac_Object{
Node node;
Mac_Object_Kind kind;
union{
NSTimer* timer;
struct{
pthread_t thread;
Thread_Function *proc;
void *ptr;
} thread;
pthread_mutex_t mutex;
pthread_cond_t cv;
};
};
struct Mac_Vars {
i32 width, height;
Thread_Context *tctx;
Arena *frame_arena;
Input_Event *active_key_stroke;
Input_Event *active_text_input;
Mac_Input_Chunk input_chunk;
b8 lctrl_lalt_is_altgr;
b8 full_screen;
b8 do_toggle;
b32 send_exit_signal;
i32 cursor_show;
i32 prev_cursor_show;
NSCursor *cursor_ibeam;
NSCursor *cursor_arrow;
NSCursor *cursor_leftright;
NSCursor *cursor_updown;
String_Const_u8 binary_path;
Arena *clipboard_arena;
String_Const_u8 clipboard_contents;
u32 clipboard_change_count;
b32 next_clipboard_is_self;
Arena clip_post_arena;
String_Const_u8 clip_post;
NSWindow *window;
FCoder_View *view;
f32 screen_scale_factor;
mach_timebase_info_data_t timebase_info;
b32 first;
void *base_ptr;
u64 timer_start;
b32 step_requested;
i32 running_cli;
Node free_mac_objects;
Node timer_objects;
pthread_mutex_t thread_launch_mutex;
pthread_cond_t thread_launch_cv;
b32 waiting_for_launch;
System_Mutex global_frame_mutex;
Log_Function *log_string;
};
////////////////////////////////
#include "mac_4ed_renderer.h"
////////////////////////////////
global Mac_Vars mac_vars;
global Mac_Renderer *renderer;
global Render_Target target;
global App_Functions app;
////////////////////////////////
function Mac_Object*
mac_alloc_object(Mac_Object_Kind kind){
Mac_Object *result = 0;
if (mac_vars.free_mac_objects.next != &mac_vars.free_mac_objects){
result = CastFromMember(Mac_Object, node, mac_vars.free_mac_objects.next);
}
if (!result){
i32 count = 512;
Mac_Object *objects = (Mac_Object*)system_memory_allocate(count * sizeof(Mac_Object), file_name_line_number_lit_u8);
// NOTE(yuval): Link the first node of the dll to the sentinel
objects[0].node.prev = &mac_vars.free_mac_objects;
mac_vars.free_mac_objects.next = &objects[0].node;
// NOTE(yuval): Link all dll nodes to each other
for (i32 chain_index = 1; chain_index < count; chain_index += 1){
objects[chain_index - 1].node.next = &objects[chain_index].node;
objects[chain_index].node.prev = &objects[chain_index - 1].node;
}
// NOTE(yuval): Link the last node of the dll to the sentinel
objects[count - 1].node.next = &mac_vars.free_mac_objects;
mac_vars.free_mac_objects.prev = &objects[count - 1].node;
result = CastFromMember(Mac_Object, node, mac_vars.free_mac_objects.next);
}
Assert(result);
dll_remove(&result->node);
block_zero_struct(result);
result->kind = kind;
return(result);
}
function void
mac_free_object(Mac_Object *object){
if (object->node.next != 0){
dll_remove(&object->node);
}
dll_insert(&mac_vars.free_mac_objects, &object->node);
}
function inline Plat_Handle
mac_to_plat_handle(Mac_Object *object){
Plat_Handle result = *(Plat_Handle*)(&object);
return(result);
}
function inline Mac_Object*
mac_to_object(Plat_Handle handle){
Mac_Object *result = *(Mac_Object**)(&handle);
return(result);
}
////////////////////////////////
function void
mac_error_box(char *msg, b32 shutdown = true){
NSAlert *alert = [[[NSAlert alloc] init] autorelease];
NSString *title_string = @"Error";
NSString *message_string = [NSString stringWithUTF8String:msg];
[alert setMessageText:title_string];
[alert setInformativeText:message_string];
[alert runModal];
if (shutdown){
exit(1);
}
}
////////////////////////////////
#if defined(FRED_INTERNAL)
function inline void
mac_profile(char *name, u64 begin, u64 end){
printf("%s Time: %fs\n", name, ((end - begin) / 1000000.0f));
}
#define MacProfileScope(name) for (u64 glue(_i_, __LINE__) = 0, glue(_begin_, __LINE__) = system_now_time();\
glue(_i_, __LINE__) == 0;\
glue(_i_, __LINE__) = 1, mac_profile(name, glue(_begin_, __LINE__), system_now_time()))
#else
# define mac_profile(...)
# define MacProfileScope(...)
#endif
////////////////////////////////
#import "mac_4ed_renderer.mm"
#include "4ed_font_provider_freetype.h"
#include "4ed_font_provider_freetype.cpp"
#import "mac_4ed_functions.mm"
////////////////////////////////
global_const u8 kVK_Menu = 0x6E;
global Key_Code keycode_lookup_table[255] = {};
function void
mac_keycode_init(void){
keycode_lookup_table[kVK_ANSI_A] = KeyCode_A;
keycode_lookup_table[kVK_ANSI_B] = KeyCode_B;
keycode_lookup_table[kVK_ANSI_C] = KeyCode_C;
keycode_lookup_table[kVK_ANSI_D] = KeyCode_D;
keycode_lookup_table[kVK_ANSI_E] = KeyCode_E;
keycode_lookup_table[kVK_ANSI_F] = KeyCode_F;
keycode_lookup_table[kVK_ANSI_G] = KeyCode_G;
keycode_lookup_table[kVK_ANSI_H] = KeyCode_H;
keycode_lookup_table[kVK_ANSI_I] = KeyCode_I;
keycode_lookup_table[kVK_ANSI_J] = KeyCode_J;
keycode_lookup_table[kVK_ANSI_K] = KeyCode_K;
keycode_lookup_table[kVK_ANSI_L] = KeyCode_L;
keycode_lookup_table[kVK_ANSI_M] = KeyCode_M;
keycode_lookup_table[kVK_ANSI_N] = KeyCode_N;
keycode_lookup_table[kVK_ANSI_O] = KeyCode_O;
keycode_lookup_table[kVK_ANSI_P] = KeyCode_P;
keycode_lookup_table[kVK_ANSI_Q] = KeyCode_Q;
keycode_lookup_table[kVK_ANSI_R] = KeyCode_R;
keycode_lookup_table[kVK_ANSI_S] = KeyCode_S;
keycode_lookup_table[kVK_ANSI_T] = KeyCode_T;
keycode_lookup_table[kVK_ANSI_U] = KeyCode_U;
keycode_lookup_table[kVK_ANSI_V] = KeyCode_V;
keycode_lookup_table[kVK_ANSI_W] = KeyCode_W;
keycode_lookup_table[kVK_ANSI_X] = KeyCode_X;
keycode_lookup_table[kVK_ANSI_Y] = KeyCode_Y;
keycode_lookup_table[kVK_ANSI_Z] = KeyCode_Z;
keycode_lookup_table[kVK_ANSI_0] = KeyCode_0;
keycode_lookup_table[kVK_ANSI_1] = KeyCode_1;
keycode_lookup_table[kVK_ANSI_2] = KeyCode_2;
keycode_lookup_table[kVK_ANSI_3] = KeyCode_3;
keycode_lookup_table[kVK_ANSI_4] = KeyCode_4;
keycode_lookup_table[kVK_ANSI_5] = KeyCode_5;
keycode_lookup_table[kVK_ANSI_6] = KeyCode_6;
keycode_lookup_table[kVK_ANSI_7] = KeyCode_7;
keycode_lookup_table[kVK_ANSI_8] = KeyCode_8;
keycode_lookup_table[kVK_ANSI_9] = KeyCode_9;
keycode_lookup_table[kVK_Space] = KeyCode_Space;
keycode_lookup_table[kVK_ANSI_Grave] = KeyCode_Tick;
keycode_lookup_table[kVK_ANSI_Minus] = KeyCode_Minus;
keycode_lookup_table[kVK_ANSI_Equal] = KeyCode_Equal;
keycode_lookup_table[kVK_ANSI_LeftBracket] = KeyCode_LeftBracket;
keycode_lookup_table[kVK_ANSI_RightBracket] = KeyCode_RightBracket;
keycode_lookup_table[kVK_ANSI_Semicolon] = KeyCode_Semicolon;
keycode_lookup_table[kVK_ANSI_Quote] = KeyCode_Quote;
keycode_lookup_table[kVK_ANSI_Comma] = KeyCode_Comma;
keycode_lookup_table[kVK_ANSI_Period] = KeyCode_Period;
keycode_lookup_table[kVK_ANSI_Slash] = KeyCode_ForwardSlash;
keycode_lookup_table[kVK_ANSI_Backslash] = KeyCode_BackwardSlash;
keycode_lookup_table[kVK_Tab] = KeyCode_Tab;
// NOTE(yuval): No Pause key on macOS!
keycode_lookup_table[kVK_Escape] = KeyCode_Escape;
keycode_lookup_table[kVK_UpArrow] = KeyCode_Up;
keycode_lookup_table[kVK_DownArrow] = KeyCode_Down;
keycode_lookup_table[kVK_LeftArrow] = KeyCode_Left;
keycode_lookup_table[kVK_RightArrow] = KeyCode_Right;
keycode_lookup_table[kVK_Delete] = KeyCode_Backspace;
keycode_lookup_table[kVK_Return] = KeyCode_Return;
keycode_lookup_table[kVK_ForwardDelete] = KeyCode_Delete;
//keycode_lookup_table[] = KeyCode_Insert; // TODO(yuval): Figure how to get keyDown events for the insert key
keycode_lookup_table[kVK_Home] = KeyCode_Home;
keycode_lookup_table[kVK_End] = KeyCode_End;
keycode_lookup_table[kVK_PageUp] = KeyCode_PageUp;
keycode_lookup_table[kVK_PageDown] = KeyCode_PageDown;
keycode_lookup_table[kVK_CapsLock] = KeyCode_CapsLock;
keycode_lookup_table[kVK_ANSI_KeypadClear] = KeyCode_NumLock;
// NOTE(yuval): No Scroll Lock key on macOS!
keycode_lookup_table[kVK_Menu] = KeyCode_Menu;
keycode_lookup_table[kVK_Shift] = KeyCode_Shift;
keycode_lookup_table[kVK_RightShift] = KeyCode_Shift;
keycode_lookup_table[kVK_Control] = KeyCode_Control;
keycode_lookup_table[kVK_RightControl] = KeyCode_Control;
keycode_lookup_table[kVK_Option] = KeyCode_Alt;
keycode_lookup_table[kVK_RightOption] = KeyCode_Alt;
keycode_lookup_table[kVK_Command] = KeyCode_Command;
keycode_lookup_table[kVK_RightCommand] = KeyCode_Command; // NOTE(yuval): Right Command
keycode_lookup_table[kVK_F1] = KeyCode_F1;
keycode_lookup_table[kVK_F2] = KeyCode_F2;
keycode_lookup_table[kVK_F3] = KeyCode_F3;
keycode_lookup_table[kVK_F4] = KeyCode_F4;
keycode_lookup_table[kVK_F5] = KeyCode_F5;
keycode_lookup_table[kVK_F6] = KeyCode_F6;
keycode_lookup_table[kVK_F7] = KeyCode_F7;
keycode_lookup_table[kVK_F8] = KeyCode_F8;
keycode_lookup_table[kVK_F9] = KeyCode_F9;
keycode_lookup_table[kVK_F10] = KeyCode_F10;
keycode_lookup_table[kVK_F11] = KeyCode_F11;
keycode_lookup_table[kVK_F12] = KeyCode_F12;
keycode_lookup_table[kVK_F13] = KeyCode_F13;
keycode_lookup_table[kVK_F14] = KeyCode_F14;
keycode_lookup_table[kVK_F15] = KeyCode_F15;
keycode_lookup_table[kVK_F16] = KeyCode_F16;
}
////////////////////////////////
function b32
mac_file_can_be_made(u8* filename){
b32 result = access((char*)filename, W_OK) == 0;
return(result);
}
////////////////////////////////
function void
mac_resize(float width, float height){
if ((width > 0.0f) && (height > 0.0f)){
#if 1
NSSize coord_size = NSMakeSize(width, height);
NSSize backing_size = [mac_vars.view convertSizeToBacking:coord_size];
mac_vars.width = (i32)backing_size.width;
mac_vars.height = (i32)backing_size.height;
target.width = (i32)backing_size.width;
target.height = (i32)backing_size.height;
#else
mac_vars.width = (i32)width;
mac_vars.height = (i32)height;
target.width = (i32)width;
target.height = (i32)height;
#endif
}
system_signal_step(0);
}
function inline void
mac_resize(NSWindow *window){
NSRect bounds = [[window contentView] bounds];
mac_resize(bounds.size.width, bounds.size.height);
}
////////////////////////////////
function u32
mac_get_clipboard_change_count(void){
NSPasteboard *board = [NSPasteboard generalPasteboard];
u32 result = board.changeCount;
return(result);
}
function b32
mac_read_clipboard_contents(Arena *scratch){
b32 result = false;
Temp_Memory temp = begin_temp(scratch);
{
NSPasteboard *board = [NSPasteboard generalPasteboard];
NSString *utf8_type = @"public.utf8-plain-text";
NSArray *types_array = [NSArray arrayWithObjects:utf8_type, nil];
NSString *has_string = [board availableTypeFromArray:types_array];
if (has_string != nil){
NSData *data = [board dataForType:utf8_type];
if (data != nil){
u32 copy_length = data.length;
if (copy_length > 0){
Arena *clip_arena = mac_vars.clipboard_arena;
linalloc_clear(clip_arena);
mac_vars.clipboard_contents = string_const_u8_push(clip_arena, copy_length);
[data getBytes:mac_vars.clipboard_contents.str
length:mac_vars.clipboard_contents.size];
result = true;
}
}
}
}
end_temp(temp);
return(result);
}
function void
mac_post_clipboard(Arena *scratch, char *text, i32 len){
NSPasteboard *board = [NSPasteboard generalPasteboard];
NSString *utf8_type = @"public.utf8-plain-text";
NSArray<NSString*> *types_array = [NSArray arrayWithObjects:utf8_type, nil];
[board declareTypes:types_array
owner:nil];
NSString *paste_string = [[NSString alloc] initWithBytes:text
length:len
encoding:NSUTF8StringEncoding];
[board setString:paste_string
forType:utf8_type];
[paste_string release];
mac_vars.next_clipboard_is_self = true;
}
////////////////////////////////
function void
mac_toggle_fullscreen(void){
[mac_vars.window toggleFullScreen:nil];
}
////////////////////////////////
@implementation FCoder_App_Delegate
- (void)applicationDidFinishLaunching:(id)sender{
}
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication*)sender{
return(YES);
}
- (void)applicationWillTerminate:(NSNotification*)notification{
}
@end
@implementation FCoder_Window_Delegate
- (BOOL)windowShouldClose:(id)sender{
mac_vars.input_chunk.trans.trying_to_kill = true;
system_signal_step(0);
return(NO);
}
- (void)windowDidResize:(NSNotification*)notification{
mac_resize(mac_vars.window);
}
- (void)windowDidMiniaturize:(NSNotification*)notification{
}
- (void)windowDidDeminiaturize:(NSNotification*)notification{
}
- (void)windowDidBecomeKey:(NSNotification *)notification{
// NOTE(yuval): The window is the focused window
[self process_focus_event];
}
- (void)windowDidResignKey:(NSNotification *)notification{
// NOTE(yuval): The window has lost focus
[self process_focus_event];
}
- (void)process_focus_event{
mac_vars.input_chunk.pers.mouse_l = false;
mac_vars.input_chunk.pers.mouse_r = false;
block_zero_struct(&mac_vars.input_chunk.pers.controls);
block_zero_struct(&mac_vars.input_chunk.pers.modifiers);
mac_vars.active_key_stroke = 0;
mac_vars.active_text_input = 0;
system_signal_step(0);
}
@end
@implementation FCoder_View
- (id)init{
self = [super init];
return(self);
}
- (void)dealloc{
[super dealloc];
}
- (void)viewDidChangeBackingProperties{
// TODO(yuval): If the screen scale factor changed, modify the current face to use the new screen scale factor.
mac_resize(mac_vars.window);
}
- (BOOL)wantsUpdateLayer
{
return YES;
}
- (void)updateLayer{
u64 prev_timer_start;
MacProfileScope("Draw Rect"){
mac_vars.step_requested = false;
MacProfileScope("Acquire Frame Mutex"){
// NOTE(yuval): Read comment in win32_4ed.cpp's main loop
system_mutex_acquire(mac_vars.global_frame_mutex);
}
Application_Step_Input input = {};
// NOTE(yuval): Prepare the Frame Input
MacProfileScope("Prepare Input"){
Mac_Input_Chunk input_chunk = mac_vars.input_chunk;
input.first_step = mac_vars.first;
input.dt = frame_useconds / 1000000.0f;
input.events = input_chunk.trans.event_list;
input.mouse.out_of_window = input_chunk.trans.out_of_window;
input.mouse.l = input_chunk.pers.mouse_l;
input.mouse.press_l = input_chunk.trans.mouse_l_press;
input.mouse.release_l = input_chunk.trans.mouse_l_release;
input.mouse.r = input_chunk.pers.mouse_r;
input.mouse.press_r = input_chunk.trans.mouse_r_press;
input.mouse.release_r = input_chunk.trans.mouse_r_release;
input.mouse.wheel = input_chunk.trans.mouse_wheel;
input.mouse.p = input_chunk.pers.mouse;
input.trying_to_kill = input_chunk.trans.trying_to_kill;
block_zero_struct(&mac_vars.input_chunk.trans);
mac_vars.active_key_stroke = 0;
mac_vars.active_text_input = 0;
// NOTE(yuval): See comment in win32_4ed.cpp's main loop
if (mac_vars.send_exit_signal){
input.trying_to_kill = true;
mac_vars.send_exit_signal = false;
}
}
// NOTE(yuval): Frame clipboard input
MacProfileScope("Frame Clipboard Input"){
block_zero_struct(&mac_vars.clipboard_contents);
input.clipboard_changed = false;
if (mac_vars.clipboard_change_count != 0){
u32 change_count = mac_get_clipboard_change_count();
if (change_count != mac_vars.clipboard_change_count){
if (mac_vars.next_clipboard_is_self){
mac_vars.next_clipboard_is_self = false;
} else{
for (i32 r = 0; r < 4; ++r){
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
if (mac_read_clipboard_contents(scratch)){
input.clipboard_changed = true;
break;
}
}
}
mac_vars.clipboard_change_count = change_count;
}
}
input.clipboard = mac_vars.clipboard_contents;
}
mac_vars.clip_post.size = 0;
// NOTE(yuval): Application Core Update
Application_Step_Result result = {};
MacProfileScope("Step"){
if (app.step != 0){
result = app.step(mac_vars.tctx, &target, mac_vars.base_ptr, &input);
}
}
// NOTE(yuval): Quit the app if requested by the application core
MacProfileScope("Perform Kill"){
if (result.perform_kill){
[NSApp terminate:nil];
}
}
// NOTE(yuval): Post new clipboard content
MacProfileScope("Post Clipboard"){
if (mac_vars.clip_post.size > 0){
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
mac_post_clipboard(scratch, (char*)mac_vars.clip_post.str, (i32)mac_vars.clip_post.size);
}
}
// NOTE(yuval): Switch to a new title
MacProfileScope("Switch Title"){
if (result.has_new_title){
NSString *str = [NSString stringWithUTF8String:result.title_string];
[mac_vars.window setTitle:str];
}
}
// NOTE(yuval): Switch to new cursor
MacProfileScope("Switch Cursor"){
// NOTE(yuval): Switch cursor type
switch (result.mouse_cursor_type){
case APP_MOUSE_CURSOR_ARROW:
{
[mac_vars.cursor_arrow set];
} break;
case APP_MOUSE_CURSOR_IBEAM:
{
[mac_vars.cursor_ibeam set];
} break;
case APP_MOUSE_CURSOR_LEFTRIGHT:
{
[mac_vars.cursor_leftright set];
} break;
case APP_MOUSE_CURSOR_UPDOWN:
{
[mac_vars.cursor_updown set];
} break;
}
// NOTE(yuval): Show or hide cursor
if (mac_vars.cursor_show != mac_vars.prev_cursor_show){
switch (mac_vars.cursor_show){
case MouseCursorShow_Never:
{
[NSCursor hide];
} break;
case MouseCursorShow_Always:
{
[NSCursor unhide];
} break;
}
mac_vars.prev_cursor_show = mac_vars.cursor_show;
}
}
// NOTE(yuval): Update lctrl_lalt_is_altgr status
mac_vars.lctrl_lalt_is_altgr = (b8)result.lctrl_lalt_is_altgr;
// NOTE(yuval): Render
MacProfileScope("Render"){
renderer->render(renderer, &target);
}
// NOTE(yuval): Toggle full screen
MacProfileScope("Toggle Full Screen"){
if (mac_vars.do_toggle){
mac_toggle_fullscreen();
mac_vars.do_toggle = false;
}
}
// NOTE(yuval): Schedule another step if needed
MacProfileScope("Schedule Step"){
if (result.animating || (mac_vars.running_cli > 0)){
system_signal_step(0);
}
}
// NOTE(yuval): Sleep a bit to cool off
MacProfileScope("Cool Down"){
system_mutex_release(mac_vars.global_frame_mutex);
{
u64 timer_end = system_now_time();
u64 end_target = (mac_vars.timer_start + frame_useconds);
if (timer_end < end_target){
if ((end_target - timer_end) > 1000){
// NOTE(yuval): Sleep until the end target minus a millisecond (to allow the scheduler to wake the process in time)
system_sleep(end_target - timer_end - 1000);
}
// NOTE(yuval): Iterate through the rest of the time that's left using a regular for loop to make sure that we hit the end target
u64 now = system_now_time();
while (now < end_target){
now = system_now_time();
}
}
prev_timer_start = mac_vars.timer_start;
mac_vars.timer_start = system_now_time();
}
system_mutex_acquire(mac_vars.global_frame_mutex);
}
MacProfileScope("Cleanup"){
mac_vars.first = false;
linalloc_clear(mac_vars.frame_arena);
// NOTE(yuval): Release the global frame mutex until the next drawRect call
system_mutex_release(mac_vars.global_frame_mutex);
}
}
mac_profile("Frame", prev_timer_start, mac_vars.timer_start);
#if FRED_INTERNAL
printf("\n");
#endif
}
- (BOOL)acceptsFirstResponder{
return(YES);
}
- (BOOL)becomeFirstResponder{
return(YES);
}
- (BOOL)resignFirstResponder{
return(YES);
}
- (void)keyDown:(NSEvent*)event{
// NOTE(yuval): Process keyboard event
[self process_keyboard_event:event down:true];
// NOTE(yuval): Process TextInsert event
{
NSString *characters = [event characters];
if ([characters length] > 0){
// NOTE(yuval): Get the first utf-16 character
u32 c = [characters characterAtIndex:0];
if (c == '\r'){
c = '\n';
}
// NOTE(yuval): Check for a valid text input
if ((c > 127) || ((' ' <= c) && (c <= '~')) || (c == '\t') || (c == '\n') || (c == '\r')){
String_Const_u16 str_16 = SCu16((u16*)&c, 1);
String_Const_u8 str_8 = string_u8_from_string_u16(mac_vars.frame_arena, str_16).string;
Input_Event *event = push_input_event(mac_vars.frame_arena, &mac_vars.input_chunk.trans.event_list);
event->kind = InputEventKind_TextInsert;
event->text.string = str_8;
event->text.next_text = 0;
event->text.blocked = false;
if (mac_vars.active_text_input){
mac_vars.active_text_input->text.next_text = event;
} else if (mac_vars.active_key_stroke){
mac_vars.active_key_stroke->key.first_dependent_text = event;
}
mac_vars.active_text_input = event;
system_signal_step(0);
}
}
}
}
- (void)keyUp:(NSEvent*)event{
[self process_keyboard_event:event down:false];
}
- (void)flagsChanged:(NSEvent *)event{
NSEventModifierFlags flags = [event modifierFlags];
b8 ctrl_pressed = ((flags & NSEventModifierFlagControl) != 0);
b8 alt_pressed = ((flags & NSEventModifierFlagOption) != 0);
b8 shift_pressed = ((flags & NSEventModifierFlagShift) != 0);
b8 command_pressed = ((flags & NSEventModifierFlagCommand) != 0);
Control_Keys *controls = &mac_vars.input_chunk.pers.controls;
u16 event_key_code = [event keyCode];
if (event_key_code == kVK_Control){
controls->l_ctrl = ctrl_pressed;
[self process_keyboard_event:event down:ctrl_pressed];
} else if (event_key_code == kVK_RightControl){
controls->r_ctrl = ctrl_pressed;
[self process_keyboard_event:event down:ctrl_pressed];
} else if (event_key_code == kVK_Option){
controls->l_alt = alt_pressed;
[self process_keyboard_event:event down:alt_pressed];
} else if (event_key_code == kVK_RightOption){
controls->r_alt = alt_pressed;
[self process_keyboard_event:event down:alt_pressed];
} else if (event_key_code == kVK_Shift){
controls->l_shift = shift_pressed;
[self process_keyboard_event:event down:shift_pressed];
} else if (event_key_code == kVK_RightShift){
controls->r_shift = shift_pressed;
[self process_keyboard_event:event down:shift_pressed];
} else if (event_key_code == kVK_Command){
controls->l_command = command_pressed;
[self process_keyboard_event:event down:command_pressed];
} else if (event_key_code == kVK_RightCommand){
controls->r_command = command_pressed;
[self process_keyboard_event:event down:command_pressed];
}
}
- (void)mouseMoved:(NSEvent*)event{
[self process_mouse_move_event:event];
}
- (void)mouseDragged:(NSEvent*)event{
[self process_mouse_move_event:event];
}
- (void)scrollWheel:(NSEvent *)event{
float dx = event.scrollingDeltaX;
float dy = event.scrollingDeltaY;
i8 scroll_speed = 100;
if (dy > 0){
scroll_speed *= -1;
}
mac_vars.input_chunk.trans.mouse_wheel = scroll_speed;
system_signal_step(0);
}
- (void)mouseDown:(NSEvent*)event{
mac_vars.input_chunk.trans.mouse_l_press = true;
mac_vars.input_chunk.pers.mouse_l = true;
system_signal_step(0);
}
- (void)mouseUp:(NSEvent*)event{
mac_vars.input_chunk.trans.mouse_l_release = true;
mac_vars.input_chunk.pers.mouse_l = false;
system_signal_step(0);
}
- (void)rightMouseDown:(NSEvent*)event{
[super rightMouseDown:event];
mac_vars.input_chunk.trans.mouse_r_press = true;
mac_vars.input_chunk.pers.mouse_r = true;
system_signal_step(0);
}
- (void)rightMouseUp:(NSEvent*)event{
mac_vars.input_chunk.trans.mouse_r_release = true;
mac_vars.input_chunk.pers.mouse_r = false;
system_signal_step(0);
}
- (void)request_display{
CGRect cg_rect = CGRectMake(0, 0, mac_vars.width, mac_vars.height);
NSRect rect = NSRectFromCGRect(cg_rect);
[self setNeedsDisplayInRect:rect];
}
- (void)check_clipboard{
u32 change_count = mac_get_clipboard_change_count();
if (change_count != mac_vars.clipboard_change_count){
system_signal_step(0);
}
}
- (void)process_keyboard_event:(NSEvent*)event down:(b8)down{
b8 release = !down;
Input_Modifier_Set_Fixed *mods = &mac_vars.input_chunk.pers.modifiers;
// NOTE(yuval): Set control modifiers
{
Control_Keys *controls = &mac_vars.input_chunk.pers.controls;
b8 ctrl = (controls->r_ctrl || (controls->l_ctrl && !controls->r_alt));
b8 alt = (controls->l_alt || (controls->r_alt && !controls->l_ctrl));
if (mac_vars.lctrl_lalt_is_altgr && controls->l_alt && controls->l_ctrl){
ctrl = false;
alt = false;
}
b8 shift = (controls->r_shift || controls->l_shift);
b8 command = (controls->r_command || controls->l_command);
set_modifier(mods, KeyCode_Control, ctrl);
set_modifier(mods, KeyCode_Alt, alt);
set_modifier(mods, KeyCode_Shift, shift);
set_modifier(mods, KeyCode_Command, command);
}
// NOTE(yuval): Process KeyStroke / KeyRelease event
{
u16 event_key_code = [event keyCode];
Key_Code key = keycode_lookup_table[(u8)event_key_code];
if (down){
if (key != 0){
add_modifier(mods, key);
Input_Event *event = push_input_event(mac_vars.frame_arena, &mac_vars.input_chunk.trans.event_list);
event->kind = InputEventKind_KeyStroke;
event->key.code = key;
event->key.modifiers = copy_modifier_set(mac_vars.frame_arena, mods);
mac_vars.active_key_stroke = event;
system_signal_step(0);
}
} else{
mac_vars.active_key_stroke = 0;
mac_vars.active_text_input = 0;
if (key != 0){
Input_Event *event = push_input_event(mac_vars.frame_arena, &mac_vars.input_chunk.trans.event_list);
event->kind = InputEventKind_KeyRelease;
event->key.code = key;
event->key.modifiers = copy_modifier_set(mac_vars.frame_arena, mods);
remove_modifier(mods, key);
}
system_signal_step(0);
}
}
}
- (void)process_mouse_move_event:(NSEvent*)event{
NSPoint location = [event locationInWindow];
NSPoint backing_location = [self convertPointToBacking:location];
Vec2_i32 new_m = V2i32(backing_location.x, mac_vars.height - backing_location.y);
if (new_m != mac_vars.input_chunk.pers.mouse){
mac_vars.input_chunk.pers.mouse = new_m;
Rect_i32 screen = Ri32(0, 0, target.width, target.height);
mac_vars.input_chunk.trans.out_of_window = !rect_contains_point(screen, new_m);
}
system_signal_step(0);
}
@end
////////////////////////////////
int
main(int arg_count, char **args){
@autoreleasepool{
// NOTE(yuval): Create NSApplication & Delegate
[NSApplication sharedApplication];
Assert(NSApp != nil);
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
FCoder_App_Delegate *app_delegate = [[FCoder_App_Delegate alloc] init];
[NSApp setDelegate:app_delegate];
pthread_mutex_init(&memory_tracker_mutex, 0);
// NOTE(yuval): Context setup
Thread_Context _tctx = {};
thread_ctx_init(&_tctx, ThreadKind_Main,
get_base_allocator_system(),
get_base_allocator_system());
block_zero_struct(&mac_vars);
mac_vars.tctx = &_tctx;
API_VTable_system system_vtable = {};
system_api_fill_vtable(&system_vtable);
API_VTable_graphics graphics_vtable = {};
graphics_api_fill_vtable(&graphics_vtable);
API_VTable_font font_vtable = {};
font_api_fill_vtable(&font_vtable);
// NOTE(yuval): Memory
mac_vars.frame_arena = reserve_arena(mac_vars.tctx);
target.arena = make_arena_system(KB(256));
dll_init_sentinel(&mac_vars.free_mac_objects);
dll_init_sentinel(&mac_vars.timer_objects);
pthread_mutex_init(&mac_vars.thread_launch_mutex, 0);
pthread_cond_init(&mac_vars.thread_launch_cv, 0);
// NOTE(yuval): Screen scale factor calculation
{
NSScreen* screen = [NSScreen mainScreen];
NSDictionary* desc = [screen deviceDescription];
NSSize size = [[desc valueForKey:NSDeviceResolution] sizeValue];
f32 max_dpi = Max(size.width, size.height);
mac_vars.screen_scale_factor = (max_dpi / 72.0f);
}
// NOTE(yuval): Load core
System_Library core_library = {};
{
App_Get_Functions *get_funcs = 0;
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
Path_Search_List search_list = {};
search_list_add_system_path(scratch, &search_list, SystemPath_Binary);
String_Const_u8 core_path = get_full_path(scratch, &search_list, SCu8("4ed_app.so"));
if (system_load_library(scratch, core_path, &core_library)){
get_funcs = (App_Get_Functions*)system_get_proc(core_library, "app_get_functions");
if (get_funcs != 0){
app = get_funcs();
}
else{
char msg[] = "Failed to get application code from '4ed_app.so'.";
mac_error_box(msg);
}
}
else{
char msg[] = "Could not load '4ed_app.so'. This file should be in the same directory as the main '4ed' executable.";
mac_error_box(msg);
}
}
// NOTE(yuval): Send api vtables to core
app.load_vtables(&system_vtable, &font_vtable, &graphics_vtable);
mac_vars.log_string = app.get_logger();
// NOTE(yuval): Init & command line parameters
Plat_Settings plat_settings = {};
mac_vars.base_ptr = 0;
{
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
String_Const_u8 curdir = system_get_path(scratch, SystemPath_CurrentDirectory);
curdir = string_mod_replace_character(curdir, '\\', '/');
char **files = 0;
i32 *file_count = 0;
mac_vars.base_ptr = app.read_command_line(mac_vars.tctx, curdir, &plat_settings, &files, &file_count, arg_count, args);
{
i32 end = *file_count;
i32 i = 0, j = 0;
for (; i < end; ++i){
if (mac_file_can_be_made((u8*)files[i])){
files[j] = files[i];
++j;
}
}
*file_count = j;
}
}
// NOTE(yuval): Load custom layer
System_Library custom_library = {};
Custom_API custom = {};
{
char custom_not_found_msg[] = "Did not find a library for the custom layer.";
char custom_fail_version_msg[] = "Failed to load custom code due to missing version information or a version mismatch. Try rebuilding with buildsuper.";
char custom_fail_init_apis[] = "Failed to load custom code due to missing 'init_apis' symbol. Try rebuilding with buildsuper";
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
String_Const_u8 default_file_name = string_u8_litexpr("custom_4coder.so");
Path_Search_List search_list = {};
search_list_add_system_path(scratch, &search_list, SystemPath_CurrentDirectory);
search_list_add_system_path(scratch, &search_list, SystemPath_Binary);
String_Const_u8 custom_file_names[2] = {};
i32 custom_file_count = 1;
if (plat_settings.custom_dll != 0){
custom_file_names[0] = SCu8(plat_settings.custom_dll);
if (!plat_settings.custom_dll_is_strict){
custom_file_names[1] = default_file_name;
custom_file_count += 1;
}
}
else{
custom_file_names[0] = default_file_name;
}
String_Const_u8 custom_file_name = {};
for (i32 i = 0; i < custom_file_count; i += 1){
custom_file_name = get_full_path(scratch, &search_list, custom_file_names[i]);
if (custom_file_name.size > 0){
break;
}
}
b32 has_library = false;
if (custom_file_name.size > 0){
if (system_load_library(scratch, custom_file_name, &custom_library)){
has_library = true;
}
}
if (!has_library){
mac_error_box(custom_not_found_msg);
}
custom.get_version = (_Get_Version_Type*)system_get_proc(custom_library, "get_version");
if (custom.get_version == 0 || custom.get_version(MAJOR, MINOR, PATCH) == 0){
mac_error_box(custom_fail_version_msg);
}
custom.init_apis = (_Init_APIs_Type*)system_get_proc(custom_library, "init_apis");
if (custom.init_apis == 0){
mac_error_box(custom_fail_init_apis);
}
}
//
// Window and Renderer Initialization
//
// NOTE(yuval): Create Window & Window Delegate
i32 w;
i32 h;
if (plat_settings.set_window_size){
w = plat_settings.window_w;
h = plat_settings.window_h;
} else{
w = 800;
h = 600;
}
NSRect screen_rect = [[NSScreen mainScreen] frame];
NSRect initial_frame = NSMakeRect((f32)(screen_rect.size.width - w) * 0.5f, (f32)(screen_rect.size.height - h) * 0.5f, w, h);
u32 style_mask = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | NSWindowStyleMaskResizable;
mac_vars.window = [[NSWindow alloc] initWithContentRect:initial_frame
styleMask:style_mask
backing:NSBackingStoreBuffered
defer:NO];
FCoder_Window_Delegate *window_delegate = [[FCoder_Window_Delegate alloc] init];
[mac_vars.window setDelegate:window_delegate];
[mac_vars.window setMinSize:NSMakeSize(100, 100)];
[mac_vars.window setBackgroundColor:NSColor.blackColor];
[mac_vars.window setTitle:@"GRAPHICS"];
[mac_vars.window setAcceptsMouseMovedEvents:YES];
NSView* content_view = [mac_vars.window contentView];
// NOTE(yuval): Create the 4coder view
mac_vars.view = [[FCoder_View alloc] init];
[mac_vars.view setFrame:[content_view bounds]];
[mac_vars.view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
mac_vars.view.wantsLayer = true;
// NOTE(yuval): Display window and view
[content_view addSubview:mac_vars.view];
[mac_vars.window makeKeyAndOrderFront:nil];
// NOTE(yuval): Initialize the renderer
renderer = mac_init_renderer(MacRenderer_Metal, mac_vars.window, &target);
mac_resize(w, h);
//
// NOTE(yuval): Misc System Initializations
//
// NOTE(yuval): Initialize clipboard
{
mac_vars.clipboard_arena = reserve_arena(mac_vars.tctx);
mac_vars.clipboard_change_count = mac_get_clipboard_change_count();
mac_vars.next_clipboard_is_self = false;
// NOTE(yuval): Read the current clipboard
{
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
mac_read_clipboard_contents(scratch);
}
// NOTE(yuval): Start the clipboard polling timer
[NSTimer scheduledTimerWithTimeInterval: 0.5
target:mac_vars.view
selector:@selector(check_clipboard)
userInfo:nil repeats:YES];
}
// NOTE(yuval): Initialize the virtul keycodes table
mac_keycode_init();
// NOTE(yuval): Initialize cursors
{
mac_vars.cursor_show = MouseCursorShow_Always;
mac_vars.prev_cursor_show = MouseCursorShow_Always;
mac_vars.cursor_arrow = [NSCursor arrowCursor];
mac_vars.cursor_ibeam = [NSCursor IBeamCursor];
mac_vars.cursor_leftright = [NSCursor resizeLeftRightCursor];
mac_vars.cursor_updown = [NSCursor resizeUpDownCursor];
}
// NOTE(yuval): Get the timebase info
mach_timebase_info(&mac_vars.timebase_info);
//
// App init
//
{
Scratch_Block scratch(mac_vars.tctx, Scratch_Share);
String_Const_u8 curdir = system_get_path(scratch, SystemPath_CurrentDirectory);
curdir = string_mod_replace_character(curdir, '\\', '/');
app.init(mac_vars.tctx, &target, mac_vars.base_ptr, mac_vars.clipboard_contents, curdir, custom);
}
//
// Start Main Loop
//
mac_vars.first = true;
mac_vars.step_requested = false;
mac_vars.running_cli = 0;
if (plat_settings.fullscreen_window){
mac_toggle_fullscreen();
}
mac_vars.global_frame_mutex = system_mutex_make();
mac_vars.timer_start = system_now_time();
// NOTE(yuval): Start the app's run loop
[NSApp run];
}
}
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