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compiles and crashes

This commit is contained in:
Alex Baines 2020-02-02 15:50:18 +00:00
parent 1091b9d2d4
commit 2a856634d0
9 changed files with 1366 additions and 530 deletions
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3
custom/4coder_code_index.cpp
View File

@ -241,6 +241,7 @@ generic_parse_init(Application_Links *app, Arena *arena, String_Const_u8 content
////////////////////////////////
#if 0
/*
// NOTE(allen): grammar syntax
(X) = X
X Y = X and then Y
@ -267,7 +268,7 @@ union: "union" <identifier> $(";" | "{")
enum: "enum" <identifier> $(";" | "{")
typedef: "typedef" [* - (<identifier> (";" | "("))] <identifier> $(";" | "(")
function: <identifier> >"(" ["(" ")" | * - ("(" | ")")] ")" ("{" | ";")
*/
#endif
////////////////////////////////

11
custom/4coder_metadata_generator.cpp
View File

@ -24,6 +24,13 @@
#include <stdlib.h>
#include <stdint.h>
#ifdef OS_LINUX
#include <inttypes.h>
#define FMTi64 PRIi64
#else
#define FMTi64 "lld"
#endif
///////////////////////////////
struct Line_Column_Coordinates{
@ -121,7 +128,7 @@ line_number(String_Const_u8 text, i64 pos){
static void
error(u8 *source_name, String_Const_u8 text, i64 pos, u8 *msg){
Line_Column_Coordinates coords = line_column_coordinates(text, pos);
fprintf(stdout, "%s:%lld:%lld: %s\n",
fprintf(stdout, "%s:%" FMTi64 ":%" FMTi64 ": %s\n",
source_name, coords.line, coords.column, msg);
fflush(stdout);
}
@ -904,7 +911,7 @@ main(int argc, char **argv){
fprintf(cmd_out,
"{ PROC_LINKS(%.*s, 0), %s, \"%.*s\", %d, "
"\"%.*s\", %d, \"%s\", %d, %lld },\n",
"\"%.*s\", %d, \"%s\", %d, %" FMTi64 " },\n",
string_expand(entry->name),
is_ui,
string_expand(entry->name),

8
opengl/4ed_opengl_defines.h
View File

@ -218,8 +218,14 @@ typedef void GL_Debug_Function(GLenum src,
GLuint id,
GLenum severity,
GLsizei length,
#ifdef OS_LINUX
const GLchar* message,
const void *user_data
#else
GLchar *message,
void *user_data);
void *user_data
#endif
);
typedef GL_Debug_Function *GLDEBUGPROC;
#endif

5
opengl/4ed_opengl_funcs.h
View File

@ -16,8 +16,11 @@
GL_FUNC(glDebugMessageControl, void, (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled))
GL_FUNC(glDebugMessageCallback, void, (GLDEBUGPROC callback, const void *userParam))
#ifndef OS_LINUX
GL_FUNC(glTexImage3D, void, (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *pixels))
GL_FUNC(glTexSubImage3D, void, (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels))
GL_FUNC(glActiveTexture, void, (GLenum texture))
#endif
GL_FUNC(glGenVertexArrays, void, (GLsizei n, GLuint *arrays))
GL_FUNC(glBindVertexArray, void, (GLuint array))
@ -73,8 +76,6 @@ GL_FUNC(glUniformMatrix2fv, void, (GLint location, GLsizei count, GLboolean tran
GL_FUNC(glUniformMatrix3fv, void, (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))
GL_FUNC(glUniformMatrix4fv, void, (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))
GL_FUNC(glActiveTexture, void, (GLenum texture))
GL_FUNC(glGenFramebuffers, void, (GLsizei n, GLuint *framebuffers))
GL_FUNC(glBindFramebuffer, void, (GLenum target, GLuint framebuffer))
GL_FUNC(glCheckFramebufferStatus, GLenum, (GLenum target))

4
opengl/4ed_opengl_render.cpp
View File

@ -54,7 +54,11 @@ gl__fill_texture(Texture_Kind texture_kind, u32 texture, Vec3_i32 p, Vec3_i32 di
}
internal void
#ifdef OS_LINUX
gl__error_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char *message, const void *userParam){
#else
gl__error_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, char *message, void *userParam){
#endif
switch (id){
case 131218:
{

1224
platform_linux/linux_4ed.cpp
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File diff suppressed because it is too large Load Diff

561
platform_linux/linux_4ed_functions.cpp Normal file
View File

@ -0,0 +1,561 @@
/*
* chr - Andrew Chronister &
* inso - Alex Baines
*
* 02.02.2020
*
* Updated linux layer for 4coder
*
*/
internal String_Const_u8
system_get_path(Arena* arena, System_Path_Code path_code){
String_Const_u8 result = {};
switch (path_code){
case SystemPath_CurrentDirectory: {
// glibc extension: getcwd allocates its own memory if passed NULL
char *working_dir = getcwd(NULL, 0);
LINUX_FN_DEBUG("cwd = [%s]", working_dir);
u64 working_dir_len = cstring_length(working_dir);
u8 *out = push_array(arena, u8, working_dir_len + 1);
block_copy(out, working_dir, working_dir_len);
// NOTE: 4ed appears to expect a slash on the end.
out[working_dir_len] = '/';
free(working_dir);
result = SCu8(out, working_dir_len + 1);
} break;
case SystemPath_Binary: {
// linux-specific: binary path symlinked at /proc/self/exe
// PATH_MAX is probably good enough...
// read the 'readlink' manpage for some comedy about it being 'broken by design'.
char* buf = push_array(arena, char, PATH_MAX);
ssize_t n = readlink("/proc/self/exe", buf, PATH_MAX);
if(n == -1) {
perror("readlink");
*buf = n = 0;
}
result = string_remove_last_folder(SCu8(buf, n));
LINUX_FN_DEBUG("bin dir = [%.*s]", (int)result.size, result.str);
} break;
}
return(result);
}
internal String_Const_u8
system_get_canonical(Arena* arena, String_Const_u8 name){
// TODO(andrew): Resolve symlinks ?
// TODO(andrew): Resolve . and .. in paths
// TODO(andrew): Use realpath(3)
return name;
}
internal File_List
system_get_file_list(Arena* arena, String_Const_u8 directory){
File_List result = {};
String_Const_u8 search_pattern = {};
if (character_is_slash(string_get_character(directory, directory.size - 1))){
search_pattern = push_u8_stringf(arena, "%.*s*", string_expand(directory));
}
else{
search_pattern = push_u8_stringf(arena, "%.*s/*", string_expand(directory));
}
struct dirent** dir_ents = NULL;
int num_ents = scandir(
(const char*)search_pattern.str, &dir_ents, linux_system_get_file_list_filter, alphasort);
File_Info *first = 0;
File_Info *last = 0;
for (int i = 0; i < num_ents; ++i) {
struct dirent* dirent = dir_ents[i];
File_Info *info = push_array(arena, File_Info, 1);
sll_queue_push(first, last, info);
info->file_name = SCu8((u8*)dirent->d_name);
struct stat file_stat;
stat((const char*)dirent->d_name, &file_stat);
info->attributes = linux_file_attributes_from_struct_stat(file_stat);
}
result.infos = push_array(arena, File_Info*, num_ents);
result.count = num_ents;
i32 info_index = 0;
for (File_Info* node = first; node != NULL; node = node->next) {
result.infos[info_index] = node;
info_index += 1;
}
return result;
}
internal File_Attributes
system_quick_file_attributes(Arena* scratch, String_Const_u8 file_name){
struct stat file_stat;
stat((const char*)file_name.str, &file_stat);
return linux_file_attributes_from_struct_stat(file_stat);
}
internal b32
system_load_handle(Arena* scratch, char* file_name, Plat_Handle* out){
int fd = open(file_name, O_RDONLY);
if (fd != -1) {
*(int*)out = fd;
return true;
}
return false;
}
internal File_Attributes
system_load_attributes(Plat_Handle handle){
struct stat file_stat;
fstat(*(int*)&handle, &file_stat);
return linux_file_attributes_from_struct_stat(file_stat);
}
internal b32
system_load_file(Plat_Handle handle, char* buffer, u32 size){
int fd = *(int*)&handle;
int bytes_read = read(fd, buffer, size);
if (bytes_read == size) {
return true;
}
return false;
}
internal b32
system_load_close(Plat_Handle handle){
int fd = *(int*)&handle;
return close(fd) == 0;
}
internal File_Attributes
system_save_file(Arena* scratch, char* file_name, String_Const_u8 data){
File_Attributes result = {};
int fd = open(file_name, O_WRONLY, O_CREAT);
if (fd != -1) {
int bytes_written = write(fd, data.str, data.size);
if (bytes_written != -1) {
struct stat file_stat;
fstat(fd, &file_stat);
return linux_file_attributes_from_struct_stat(file_stat);
}
}
return result;
}
internal b32
system_load_library(Arena* scratch, String_Const_u8 file_name, System_Library* out){
void* library = dlopen((const char*)file_name.str, RTLD_LAZY);
if (library != NULL) {
*(void**)out = library;
return true;
}
return false;
}
internal b32
system_release_library(System_Library handle){
return dlclose(*(void**)&handle) == 0;
}
internal Void_Func*
system_get_proc(System_Library handle, char* proc_name){
return (Void_Func*)dlsym(*(void**)&handle, proc_name);
}
internal u64
system_now_time(void){
struct timespec time;
clock_gettime(CLOCK_MONOTONIC_RAW, &time);
return linux_u64_from_timespec(time);
}
internal Plat_Handle
system_wake_up_timer_create(void){
Linux_Object* object = linux_alloc_object(LinuxObjectKind_Timer);
dll_insert(&linuxvars.timer_objects, &object->node);
// NOTE(inso): timers created on-demand to avoid file-descriptor exhaustion.
object->timer.fd = -1;
}
internal void
system_wake_up_timer_release(Plat_Handle handle){
Linux_Object* object = handle_to_object(handle);
if (object->kind == LinuxObjectKind_Timer){
if(object->timer.fd != -1) {
epoll_ctl(linuxvars.epoll, EPOLL_CTL_DEL, object->timer.fd, NULL);
close(object->timer.fd);
object->timer.fd = -1;
}
linux_free_object(object);
}
}
internal void
system_wake_up_timer_set(Plat_Handle handle, u32 time_milliseconds){
Linux_Object* object = handle_to_object(handle);
if (object->kind == LinuxObjectKind_Timer){
if(object->timer.fd == -1) {
object->timer.fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
}
struct itimerspec it = {};
it.it_value.tv_sec = time_milliseconds / 1000;
it.it_value.tv_nsec = (time_milliseconds % 1000) * 1000000UL;
struct epoll_event ev;
ev.events = EPOLLIN | EPOLLET | EPOLLONESHOT;
ev.data.ptr = &object->timer.epoll_tag;
epoll_ctl(linuxvars.epoll, EPOLL_CTL_ADD, object->timer.fd, &ev);
}
}
internal void
system_signal_step(u32 code){
linux_schedule_step();
}
internal void
system_sleep(u64 microseconds){
struct timespec requested;
struct timespec remaining;
u64 seconds = microseconds / Million(1);
requested.tv_sec = seconds;
requested.tv_nsec = (microseconds - seconds * Million(1)) * Thousand(1);
nanosleep(&requested, &remaining);
}
internal void
system_post_clipboard(String_Const_u8 str){
linalloc_clear(&linuxvars.clipboard_out_arena);
char* p = push_array(&linuxvars.clipboard_out_arena, char, str.size + 1);
block_copy(p, str.data, str.size);
p[str.size] = '\0';
XSetSelectionOwner(linuxvars.dpy, linuxvars.atom_CLIPBOARD, linuxvars.win, CurrentTime);
}
internal b32
system_cli_call(Arena* scratch, char* path, char* script, CLI_Handles* cli_out){
int pipe_fds[2];
if (pipe(pipe_fds) == -1){
perror("system_cli_call: pipe");
return 0;
}
pid_t child_pid = vfork();
if (child_pid == -1){
perror("system_cli_call: fork");
return 0;
}
enum { PIPE_FD_READ, PIPE_FD_WRITE };
// child
if (child_pid == 0){
close(pipe_fds[PIPE_FD_READ]);
dup2(pipe_fds[PIPE_FD_WRITE], STDOUT_FILENO);
dup2(pipe_fds[PIPE_FD_WRITE], STDERR_FILENO);
if (chdir(path) == -1){
perror("system_cli_call: chdir");
exit(1);
}
char* argv[] = { "sh", "-c", script, NULL };
if (execv("/bin/sh", argv) == -1){
perror("system_cli_call: execv");
}
exit(1);
}
else{
close(pipe_fds[PIPE_FD_WRITE]);
*(pid_t*)&cli_out->proc = child_pid;
*(int*)&cli_out->out_read = pipe_fds[PIPE_FD_READ];
*(int*)&cli_out->out_write = pipe_fds[PIPE_FD_WRITE];
struct epoll_event e = {};
e.events = EPOLLIN | EPOLLET;
e.data.ptr = &epoll_tag_cli_pipe;
epoll_ctl(linuxvars.epoll, EPOLL_CTL_ADD, pipe_fds[PIPE_FD_READ], &e);
}
return(true);
}
internal void
system_cli_begin_update(CLI_Handles* cli){
// NOTE(inso): I don't think anything needs to be done here.
}
internal b32
system_cli_update_step(CLI_Handles* cli, char* dest, u32 max, u32* amount){
int pipe_read_fd = *(int*)&cli->out_read;
fd_set fds;
FD_ZERO(&fds);
FD_SET(pipe_read_fd, &fds);
struct timeval tv = {};
size_t space_left = max;
char* ptr = dest;
while (space_left > 0 && select(pipe_read_fd + 1, &fds, NULL, NULL, &tv) == 1){
ssize_t num = read(pipe_read_fd, ptr, space_left);
if (num == -1){
perror("system_cli_update_step: read");
} else if (num == 0){
// NOTE(inso): EOF
break;
} else {
ptr += num;
space_left -= num;
}
}
*amount = (ptr - dest);
return((ptr - dest) > 0);
}
internal b32
system_cli_end_update(CLI_Handles* cli){
pid_t pid = *(pid_t*)&cli->proc;
b32 close_me = false;
int status;
if (pid && waitpid(pid, &status, WNOHANG) > 0){
cli->exit = WEXITSTATUS(status);
close_me = true;
close(*(int*)&cli->out_read);
close(*(int*)&cli->out_write);
struct epoll_event e = {};
epoll_ctl(linuxvars.epoll, EPOLL_CTL_DEL, *(int*)&cli->out_read, &e);
}
return(close_me);
}
internal void
system_open_color_picker(Color_Picker* picker){
// TODO?
}
internal f32
system_get_screen_scale_factor(void){
// TODO: correct screen number somehow
int dpi = linux_get_xsettings_dpi(linuxvars.dpy, 0);
if(dpi == -1){
int scr = DefaultScreen(linuxvars.dpy);
int dw = DisplayWidth(linuxvars.dpy, scr);
int dh = DisplayHeight(linuxvars.dpy, scr);
int dw_mm = DisplayWidthMM(linuxvars.dpy, scr);
int dh_mm = DisplayHeightMM(linuxvars.dpy, scr);
int dpi_x = dw_mm ? dw / (dw_mm / 25.4) : 96;
int dpi_y = dh_mm ? dh / (dh_mm / 25.4) : 96;
dpi = dpi_x > dpi_y ? dpi_x : dpi_y;
}
return dpi / 96.0f;
}
internal System_Thread
system_thread_launch(Thread_Function* proc, void* ptr){
System_Thread result = {};
Linux_Object* thread_info = linux_alloc_object(LinuxObjectKind_Thread);
thread_info->thread.proc = proc;
thread_info->thread.ptr = ptr;
pthread_attr_t thread_attr;
pthread_attr_init(&thread_attr);
int create_result = pthread_create(
&thread_info->thread.pthread,
&thread_attr,
linux_thread_proc_start,
thread_info);
pthread_attr_destroy(&thread_attr);
// TODO(andrew): Need to wait for thread to confirm it launched?
if (create_result == 0) {
static_assert(sizeof(Linux_Object*) <= sizeof(System_Thread));
*(Linux_Object**)&result = thread_info;
return result;
}
return result;
}
internal void
system_thread_join(System_Thread thread){
Linux_Object* object = *(Linux_Object**)&thread;
void* retval_ignored;
int result = pthread_join(object->thread.pthread, &retval_ignored);
}
internal void
system_thread_free(System_Thread thread){
Linux_Object* object = *(Linux_Object**)&thread;
Assert(object->kind == LinuxObjectKind_Thread);
linux_free_object(object);
}
internal i32
system_thread_get_id(void){
pthread_t tid = pthread_self();
Assert(tid <= (u64)max_i32);
return (i32)tid;
}
internal void
system_acquire_global_frame_mutex(Thread_Context* tctx){
if (tctx->kind == ThreadKind_AsyncTasks){
system_mutex_acquire(linuxvars.global_frame_mutex);
}
}
internal void
system_release_global_frame_mutex(Thread_Context* tctx){
if (tctx->kind == ThreadKind_AsyncTasks){
system_mutex_release(linuxvars.global_frame_mutex);
}
}
internal System_Mutex
system_mutex_make(void){
System_Mutex result = {};
Linux_Object* object = linux_alloc_object(LinuxObjectKind_Mutex);
pthread_mutex_init(&object->mutex, NULL);
*(Linux_Object**)&result = object;
return result;
}
internal void
system_mutex_acquire(System_Mutex mutex){
Linux_Object* object = *(Linux_Object**)&mutex;
Assert(object->kind == LinuxObjectKind_Mutex);
pthread_mutex_lock(&object->mutex);
}
internal void
system_mutex_release(System_Mutex mutex){
Linux_Object* object = *(Linux_Object**)&mutex;
Assert(object->kind == LinuxObjectKind_Mutex);
pthread_mutex_unlock(&object->mutex);
}
internal void
system_mutex_free(System_Mutex mutex){
Linux_Object* object = *(Linux_Object**)&mutex;
Assert(object->kind == LinuxObjectKind_Mutex);
pthread_mutex_destroy(&object->mutex);
linux_free_object(object);
}
internal System_Condition_Variable
system_condition_variable_make(void){
System_Condition_Variable result = {};
Linux_Object* object = linux_alloc_object(LinuxObjectKind_ConditionVariable);
pthread_cond_init(&object->condition_variable, NULL);
*(Linux_Object**)&result = object;
return result;
}
internal void
system_condition_variable_wait(System_Condition_Variable cv, System_Mutex mutex){
Linux_Object* cv_object = *(Linux_Object**)&cv;
Linux_Object* mutex_object = *(Linux_Object**)&mutex;
Assert(cv_object->kind == LinuxObjectKind_ConditionVariable);
Assert(mutex_object->kind == LinuxObjectKind_Mutex);
pthread_cond_wait(&cv_object->condition_variable, &mutex_object->mutex);
}
internal void
system_condition_variable_signal(System_Condition_Variable cv){
Linux_Object* object = *(Linux_Object**)&cv;
Assert(object->kind == LinuxObjectKind_ConditionVariable);
pthread_cond_signal(&object->condition_variable);
}
internal void
system_condition_variable_free(System_Condition_Variable cv){
Linux_Object* object = *(Linux_Object**)&cv;
Assert(object->kind == LinuxObjectKind_ConditionVariable);
pthread_cond_destroy(&object->condition_variable);
linux_free_object(object);
}
internal void*
system_memory_allocate(u64 size, String_Const_u8 location){
void* result = mmap(
NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
// TODO(andrew): Allocation tracking?
return result;
}
internal b32
system_memory_set_protection(void* ptr, u64 size, u32 flags){
int protect = 0;
MovFlag(flags, MemProtect_Read, protect, PROT_READ);
MovFlag(flags, MemProtect_Write, protect, PROT_WRITE);
MovFlag(flags, MemProtect_Execute, protect, PROT_EXEC);
int result = mprotect(ptr, size, protect);
return result == 0;
}
internal void
system_memory_free(void* ptr, u64 size){
munmap(ptr, size);
}
internal Memory_Annotation
system_memory_annotation(Arena* arena){
// TODO;
}
internal void
system_show_mouse_cursor(i32 show){
linuxvars.cursor_show = show;
XDefineCursor(
linuxvars.dpy,
linuxvars.win,
show ? None : linuxvars.hidden_cursor);
}
internal b32
system_set_fullscreen(b32 full_screen){
linuxvars.should_be_full_screen = full_screen;
return true;
}
internal b32
system_is_fullscreen(void){
return linuxvars.is_full_screen;
}
internal Input_Modifier_Set
system_get_keyboard_modifiers(Arena* arena){
// TODO:
//return(copy_modifier_set(arena, &linuxvars.input_chunk.pers.modifiers));
}

1
platform_linux/linux_4ed_old.cpp
View File

@ -36,6 +36,7 @@
#include "4ed_math.h"
#include "4ed_font.h"
#include "4ed_font_provider_freetype.cpp"
#include "4ed_system.h"
#include "4ed_render_target.h"
#include "4ed_render_format.h"

79
platform_linux/linux_error_box.cpp
View File

@ -13,17 +13,18 @@
// HACK(allen): // NOTE(inso): this was a quick hack, might need some cleanup.
internal void
system_error_box(char *msg, b32 shutdown = true){
fprintf(stderr, "Fatal Error: %s\n", msg);
//LOGF("Fatal Error: %s\n", msg);
Display *dpy = XOpenDisplay(0);
if (!dpy){
exit(1);
}
const int num_cols = 50;
int win_w = (num_cols + 10) * 9;
int win_h = 140;
{
const char *start_p = msg, *space_p = NULL;
for(const char* p = msg; *p; ++p){
@ -35,87 +36,87 @@ system_error_box(char *msg, b32 shutdown = true){
}
}
}
Window w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, win_w, win_h, 0, 0, 0x227A3B);
XStoreName(dpy, w, "4coder Error");
XSizeHints* sh = XAllocSizeHints();
sh->flags = PMinSize;
sh->min_width = win_w;
sh->min_height = win_h;
XSetWMNormalHints(dpy, w, sh);
Atom type = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
XChangeProperty(dpy, w, XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False), XA_ATOM, 32, PropModeReplace, (unsigned char*) &type, 1);
Atom WM_DELETE_WINDOW = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
XSetWMProtocols(dpy, w, &WM_DELETE_WINDOW, 1);
linux_set_icon(dpy, w);
XMapRaised(dpy, w);
XSync(dpy, False);
XSelectInput(dpy, w, ExposureMask | StructureNotifyMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask);
XFontStruct* font = XLoadQueryFont(dpy, "-*-fixed-bold-*-*-*-*-140-*-*-*-*-iso8859-1");
if (!font){
exit(1);
}
XGCValues gcv;
gcv.foreground = WhitePixel(dpy, 0);
gcv.line_width = 2;
gcv.font = font->fid;
GC gc1 = XCreateGC(dpy, w, GCForeground | GCFont | GCLineWidth, &gcv);
gcv.foreground = BlackPixel(dpy, 0);
GC gc2 = XCreateGC(dpy, w, GCForeground | GCFont | GCLineWidth, &gcv);
int button_trigger = 0;
int button_hi = 0;
XEvent ev;
while (1){
XNextEvent(dpy, &ev);
int redraw = 0;
if (ev.type == Expose) redraw = 1;
if (ev.type == ConfigureNotify){
redraw = 1;
win_w = ev.xconfigure.width;
win_h = ev.xconfigure.height;
}
XRectangle button_rect = { win_w/2-40, win_h*0.8f, 80, 20 };
XRectangle button_rect = { (short)(win_w/2-40), (short)(win_h*0.8f), 80, 20 };
if (ev.type == MotionNotify){
int new_hi = (ev.xmotion.x > button_rect.x &&
ev.xmotion.y > button_rect.y &&
ev.xmotion.x < button_rect.x + button_rect.width &&
ev.xmotion.y < button_rect.y + button_rect.height);
if (new_hi != button_hi){
button_hi = new_hi;
redraw = 1;
}
}
if (ev.type == KeyPress){
KeySym sym = XLookupKeysym(&ev.xkey, 0);
if (sym == XK_Escape || sym == XK_Return){
exit(1);
}
}
if (ev.type == ButtonPress && ev.xbutton.button == Button1){
if (button_hi) button_trigger = 1;
redraw = 1;
}
if (ev.type == ButtonRelease && ev.xbutton.button == Button1){
if (button_trigger){
if (button_hi){
@ -126,60 +127,60 @@ system_error_box(char *msg, b32 shutdown = true){
}
redraw = 1;
}
if (ev.type == ClientMessage && ev.xclient.window == w && (Atom)ev.xclient.data.l[0] == WM_DELETE_WINDOW){
exit(1);
}
#define DRAW_STR(x, y, str, len) \
XDrawString(dpy, w, gc2, (x)+1, (y)+1, (str), (len)); \
XDrawString(dpy, w, gc1, (x) , (y) , (str), (len))
if (redraw){
XClearWindow(dpy, w);
const char* line_start = msg;
const char* last_space = NULL;
int y = 30;
{
const char title[] = "4coder - Fatal Error";
int width = XTextWidth(font, title, sizeof(title)-1);
int x = (win_w/2) - (width/2);
DRAW_STR(x, y, title, sizeof(title)-1);
}
y += 36;
int width = XTextWidth(font, "x", 1) * num_cols;
int x = (win_w/2) - (width/2);
for(const char* p = line_start; *p; ++p){
if (*p == ' ') last_space = p;
if (p - line_start > num_cols || *p == '\n' || !p[1]){
const char* new_line_start = last_space + 1;
if (!last_space || *p == '\n' || !p[1]){
new_line_start = last_space = (p + !p[1]);
}
DRAW_STR(x, y, line_start, last_space - line_start);
line_start = new_line_start;
last_space = NULL;
y += 18;
}
}
XDrawRectangles(dpy, w, gc1, &button_rect, 1);
if (button_hi || button_trigger){
XDrawRectangle(dpy, w, gc2, button_rect.x+1, button_rect.y+1, button_rect.width-2, button_rect.height-2);
}
DRAW_STR(button_rect.x + 20, button_rect.y + 15, "Drat!", 5);
}
}
#undef DRAW_STR
if (shutdown){
exit(1);
}