diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 156 |
1 files changed, 135 insertions, 21 deletions
@@ -1,5 +1,6 @@ // @TODO: // - text size (text-size, :increase-text-size, :decrease-text-size) +// - put stuff in UserData on windows #include "base.h" no_warn_start #if _WIN32 @@ -11,9 +12,15 @@ no_warn_end #include <GL/gl.h> #include <locale.h> #include <wctype.h> +#if _WIN32 +#include <shellapi.h> +#endif + +#define TED_PATH_MAX 256 #include "command.h" #include "util.c" +#include "filesystem.c" #include "colors.c" typedef struct { float cursor_blink_time_on, cursor_blink_time_off; @@ -50,14 +57,98 @@ static void die(char const *fmt, ...) { exit(EXIT_FAILURE); } +// should the working directory be searched for files? set to true if the executable isn't "installed" +static bool ted_search_cwd = false; +#if _WIN32 +// @TODO +#else +static char const *const ted_global_data_dir = "/usr/share/ted"; +#endif + +// Check the various places a file could be, and return the full path. +static Status ted_get_file(char const *name, char *out, size_t outsz) { +#if _WIN32 + #error "@TODO(windows)" +#else + if (ted_search_cwd && fs_file_exists(name)) { + // check in current working directory + str_cpy(out, outsz, name); + return true; + } + + char *home = getenv("HOME"); + if (home) { + str_printf(out, outsz, "%s/.local/share/ted/%s", home, name); + if (!fs_file_exists(out)) { + str_printf(out, outsz, "%s/%s", ted_global_data_dir, name); + if (!fs_file_exists(out)) + return false; + } + } + return true; +#endif +} #if _WIN32 INT WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR lpCmdLine, INT nCmdShow) { + int argc = 0; + LPWSTR* wide_argv = CommandLineToArgvW(GetCommandLineW(), &argc); + char** argv = malloc(argc * sizeof *argv); + if (!argv) { + die("Out of memory."); + } + for (int i = 0; i < argc; i++) { + LPWSTR wide_arg = wide_args[i]; + int len = wcslen(wide_arg); + argv[i] = malloc(len + 1); + if (!argv[i]) die("Out of memory."); + for (int j = 0; j <= len; j++) + argv[i][j] = (char)wide_arg[j]; + } + LocalFree(wide_args); #else -int main(void) { +int main(int argc, char **argv) { #endif setlocale(LC_ALL, ""); // allow unicode + + { // check if this is the installed version of ted (as opposed to just running it from the directory with the source) + char executable_path[TED_PATH_MAX] = {0}; + #if _WIN32 + // @TODO(windows): GetModuleFileNameW + #else + ssize_t len = readlink("/proc/self/exe", executable_path, sizeof executable_path - 1); + executable_path[len] = '\0'; + ted_search_cwd = !str_is_prefix(executable_path, "/usr"); + #endif + } + + Ted *ted = calloc(1, sizeof *ted); + if (!ted) { + die("Not enough memory available to run ted."); + } + + Settings *settings = &ted->settings; + + { + // read global configuration file first to establish defaults + char global_config_filename[TED_PATH_MAX]; + strbuf_printf(global_config_filename, "%s/ted.cfg", ted_global_data_dir); + if (fs_file_exists(global_config_filename)) + config_read(ted, global_config_filename); + } + { + // read local configuration file + char config_filename[TED_PATH_MAX]; + if (ted_get_file("ted.cfg", config_filename, sizeof config_filename)) + config_read(ted, config_filename); + else + ted_seterr(ted, "Couldn't find config file (ted.cfg), not even the backup one that should have come with ted."); + } + if (ted_haserr(ted)) { + die("Error reading config: %s", ted_geterr(ted)); + } + SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1"); // if this program is sent a SIGTERM/SIGINT, don't turn it into a quit event if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0) die("%s", SDL_GetError()); @@ -68,9 +159,12 @@ int main(void) { die("%s", SDL_GetError()); { // set icon - SDL_Surface *icon = SDL_LoadBMP("assets/icon.bmp"); - SDL_SetWindowIcon(window, icon); - SDL_FreeSurface(icon); + char icon_filename[TED_PATH_MAX]; + if (ted_get_file("assets/icon.bmp", icon_filename, sizeof icon_filename)) { + SDL_Surface *icon = SDL_LoadBMP(icon_filename); + SDL_SetWindowIcon(window, icon); + SDL_FreeSurface(icon); + } // if we can't find the icon file, it's no big deal } SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); @@ -82,30 +176,45 @@ int main(void) { SDL_GL_SetSwapInterval(1); // vsync - Font *font = text_font_load("assets/font.ttf", 16); - if (!font) { - die("Couldn't load font: %s", text_get_err()); + Font *font = NULL; + { + char font_filename[TED_PATH_MAX]; + if (ted_get_file("assets/font.ttf", font_filename, sizeof font_filename)) { + font = text_font_load(font_filename, 16); + if (!font) { + die("Couldn't load font: %s", text_get_err()); + } + } else { + die("Couldn't find font file. There is probably a problem with your ted installation."); + } } - Ted *ted = calloc(1, sizeof *ted); - if (!ted) { - die("Not enough memory available to run ted."); - } - - Settings *settings = &ted->settings; - - config_read(ted, "ted.cfg"); - if (ted_haserr(ted)) { - die("Error reading config: %s", ted_geterr(ted)); - } - TextBuffer text_buffer; TextBuffer *buffer = &text_buffer; buffer_create(buffer, font, settings); ted->active_buffer = buffer; - if (!buffer_load_file(buffer, "buffer.c")) - die("Error loading file: %s", buffer_geterr(buffer)); + char const *starting_filename = "Untitled"; + + switch (argc) { + case 0: case 1: break; + case 2: + starting_filename = argv[1]; + break; + default: + die("Usage: %s [filename]", argv[0]); + break; + } + + if (fs_file_exists(starting_filename)) { + buffer_load_file(buffer, starting_filename); + if (buffer_haserr(buffer)) + die("Error loading file: %s", buffer_geterr(buffer)); + } else { + buffer_new_file(buffer, starting_filename); + if (buffer_haserr(buffer)) + die("Error creating file: %s", buffer_geterr(buffer)); + } Uint32 time_at_last_frame = SDL_GetTicks(); @@ -262,6 +371,11 @@ int main(void) { buffer_free(buffer); text_font_free(font); free(ted); +#if _WIN32 + for (int i = 0; i < argc; ++i) + free(argv[i]); + free(argv); +#endif return 0; } |