mr4th-public
/
4coder
1
Fork 0
Code Issues Releases Activity
4coder/platform_mac/mac_4ed.mm

763 lines
22 KiB
Plaintext
Raw Blame History

/* 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 <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;
};
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 FCoderAppDelegate : NSObject<NSApplicationDelegate>
@end
@interface FCoderWindowDelegate : NSObject<NSWindowDelegate>
@end
@interface FCoderView : NSView
- (void)requestDisplay;
@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;
Mac_Input_Chunk input_chunk;
b8 full_screen;
b8 do_toggle;
b32 send_exit_signal;
i32 cursor_show;
i32 prev_cursor_show;
String_Const_u8 binary_path;
String_Const_u8 clipboard_contents;
NSWindow *window;
FCoderView *view;
f32 screen_scale_factor;
mach_timebase_info_data_t timebase_info;
b32 first;
void *base_ptr;
u64 timer_start;
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);
}
}
////////////////////////////////
#import "mac_4ed_renderer.mm"
#include "4ed_font_provider_freetype.h"
#include "4ed_font_provider_freetype.cpp"
#import "mac_4ed_functions.mm"
////////////////////////////////
global Key_Code keycode_lookup_table[255];
function void
mac_key_code_init(void){
}
////////////////////////////////
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);
}
////////////////////////////////
@implementation FCoderAppDelegate
- (void)applicationDidFinishLaunching:(id)sender{
}
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication*)sender{
return(YES);
}
- (void)applicationWillTerminate:(NSNotification*)notification{
}
@end
@implementation FCoderWindowDelegate
- (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 {
}
@end
@implementation FCoderView
- (id)init{
self = [super init];
return(self);
}
- (void)dealloc{
[super dealloc];
}
- (void)viewDidChangeBackingProperties{
// TODO(yuval): Screen scale factor calculation
printf("Backing changed!\n");
mac_resize(mac_vars.window);
}
- (void)drawRect:(NSRect)bounds{
/* NOTE(yuval): Force the graphics context to clear to black so we don't
get a flash of white until the app is ready to draw. In practice on modern macOS,
this only gets called for window creation and other extraordinary events.
(Taken From SDL) */
[[NSColor blackColor] setFill];
NSRectFill(bounds);
// NOTE(yuval): Read comment in win32_4ed.cpp's main loop
system_mutex_release(mac_vars.global_frame_mutex);
// NOTE(yuval): Prepare the Frame Input
Mac_Input_Chunk input_chunk = mac_vars.input_chunk;
Application_Step_Input input = {};
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);
// 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): Application Core Update
Application_Step_Result result = {};
if (app.step != 0){
result = app.step(mac_vars.tctx, &target, mac_vars.base_ptr, &input);
}
// NOTE(yuval): Quit the app
if (result.perform_kill){
printf("Terminating 4coder!\n");
[NSApp terminate:nil];
}
renderer->render(renderer, &target);
mac_vars.first = false;
linalloc_clear(mac_vars.frame_arena);
}
- (BOOL)acceptsFirstResponder{
return(YES);
}
- (BOOL)becomeFirstResponder{
return(YES);
}
- (BOOL)resignFirstResponder{
return(YES);
}
- (void)keyDown:(NSEvent*)event{
NSString *characters = [event characters];
if ([characters length] != 0) {
u32 character_code = [characters characterAtIndex:0];
// NOTE(yuval): Control characters generate character_codes < 32
if (character_code > 31) {
// TODO(yuval): This is actually in utf16!!!
String_Const_u32 str_32 = SCu32(&character_code, 1);
String_Const_u8 str_8 = string_u8_from_string_u32(mac_vars.frame_arena, str_32).string;
Input_Event event = {};
event.kind = InputEventKind_TextInsert;
event.text.string = str_8;
push_input_event(mac_vars.frame_arena, &mac_vars.input_chunk.trans.event_list, &event);
system_signal_step(0);
}
}
}
- (void)mouseMoved:(NSEvent*)event{
}
- (void)mouseDown:(NSEvent*)event{
}
- (void)requestDisplay{
CGRect cg_rect = CGRectMake(0, 0, mac_vars.width, mac_vars.height);
NSRect rect = NSRectFromCGRect(cg_rect);
[self setNeedsDisplayInRect:rect];
}
@end
////////////////////////////////
int
main(int arg_count, char **args){
@autoreleasepool{
// NOTE(yuval): Create NSApplication & Delegate
[NSApplication sharedApplication];
Assert(NSApp != nil);
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
FCoderAppDelegate *app_delegate = [[FCoderAppDelegate 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));
mac_vars.cursor_show = MouseCursorShow_Always;
mac_vars.prev_cursor_show = MouseCursorShow_Always;
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];
FCoderWindowDelegate *window_delegate = [[FCoderWindowDelegate 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:@WINDOW_NAME];
[mac_vars.window setAcceptsMouseMovedEvents:YES];
NSView* content_view = [mac_vars.window contentView];
// NOTE(yuval): Create the 4coder view
mac_vars.view = [[FCoderView alloc] init];
[mac_vars.view setFrame:[content_view bounds]];
[mac_vars.view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
// 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);
//
// TODO(yuval): Misc System Initializations
//
// 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);
}
//
// Main loop
//
mac_vars.first = true;
mac_vars.global_frame_mutex = system_mutex_make();
system_mutex_acquire(mac_vars.global_frame_mutex);
mac_vars.timer_start = system_now_time();
// NOTE(yuval): Start the app's run loop
#if 1
printf("Running using NSApp run\n");
[NSApp run];
#else
printf("Running using manual event loop\n");
for (;;) {
u64 count = 0;
NSEvent* event;
do {
event = [NSApp nextEventMatchingMask:NSEventMaskAny
untilDate:[NSDate distantFuture]
inMode:NSDefaultRunLoopMode
dequeue:YES];
[NSApp sendEvent:event];
} while (event != nil);
}
#endif
}
}
Reference in New Issue View Git Blame Copy Permalink