2019-12-28 12:16:32 +01:00
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#include <stdio.h>
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2021-06-03 21:48:15 +02:00
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#include <stdlib.h>
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2020-06-29 15:24:08 +02:00
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#include <SDL.h>
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2019-12-28 12:16:32 +01:00
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#include "api/api.h"
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2021-05-05 09:32:24 +02:00
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#include "rencache.h"
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2019-12-28 12:16:32 +01:00
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#include "renderer.h"
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2019-12-31 11:49:07 +01:00
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2019-12-28 12:16:32 +01:00
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#ifdef _WIN32
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#include <windows.h>
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2019-12-31 11:49:07 +01:00
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#elif __linux__
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#include <unistd.h>
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2021-06-02 17:27:40 +02:00
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#include <signal.h>
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2020-06-11 16:05:39 +02:00
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#elif __APPLE__
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#include <mach-o/dyld.h>
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2019-12-28 12:16:32 +01:00
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#endif
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SDL_Window *window;
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2019-12-31 11:49:07 +01:00
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static double get_scale(void) {
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2021-09-26 16:21:57 +02:00
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#ifndef __APPLE__
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float dpi;
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if (SDL_GetDisplayDPI(0, NULL, &dpi, NULL) == 0)
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return dpi / 96.0;
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2021-08-19 09:07:46 +02:00
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#endif
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2021-09-26 16:21:57 +02:00
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return 1.0;
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2019-12-31 11:49:07 +01:00
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}
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2020-05-17 10:36:46 +02:00
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static void get_exe_filename(char *buf, int sz) {
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2019-12-31 11:49:07 +01:00
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#if _WIN32
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int len = GetModuleFileName(NULL, buf, sz - 1);
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buf[len] = '\0';
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#elif __linux__
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char path[512];
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sprintf(path, "/proc/%d/exe", getpid());
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int len = readlink(path, buf, sz - 1);
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buf[len] = '\0';
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#elif __APPLE__
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2021-06-03 21:48:15 +02:00
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/* use realpath to resolve a symlink if the process was launched from one.
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** This happens when Homebrew installs a cack and creates a symlink in
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** /usr/loca/bin for launching the executable from the command line. */
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2019-12-31 11:49:07 +01:00
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unsigned size = sz;
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2021-06-03 21:48:15 +02:00
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char exepath[size];
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_NSGetExecutablePath(exepath, &size);
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realpath(exepath, buf);
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2019-12-31 11:49:07 +01:00
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#else
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2020-05-17 10:36:46 +02:00
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strcpy(buf, "./lite");
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2019-12-31 11:49:07 +01:00
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#endif
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}
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2020-05-06 20:49:34 +02:00
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static void init_window_icon(void) {
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2021-09-29 22:22:00 +02:00
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#if !defined(_WIN32) && !defined(__APPLE__)
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2021-06-20 17:37:08 +02:00
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#include "../resources/icons/icon.inl"
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2020-05-06 20:49:34 +02:00
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(void) icon_rgba_len; /* unused */
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SDL_Surface *surf = SDL_CreateRGBSurfaceFrom(
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icon_rgba, 64, 64,
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32, 64 * 4,
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0x000000ff,
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0x0000ff00,
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0x00ff0000,
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0xff000000);
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SDL_SetWindowIcon(window, surf);
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SDL_FreeSurface(surf);
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#endif
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}
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2021-03-05 09:42:48 +01:00
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#ifdef _WIN32
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#define LITE_OS_HOME "USERPROFILE"
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#define LITE_PATHSEP_PATTERN "\\\\"
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2021-03-05 23:46:41 +01:00
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#define LITE_NONPATHSEP_PATTERN "[^\\\\]+"
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2021-03-05 09:42:48 +01:00
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#else
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#define LITE_OS_HOME "HOME"
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#define LITE_PATHSEP_PATTERN "/"
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2021-03-05 23:46:41 +01:00
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#define LITE_NONPATHSEP_PATTERN "[^/]+"
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2021-03-05 09:42:48 +01:00
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#endif
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2019-12-31 11:49:07 +01:00
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2021-04-19 09:52:00 +02:00
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#ifdef __APPLE__
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2021-04-21 09:52:16 +02:00
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void enable_momentum_scroll();
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2021-08-18 14:26:51 +02:00
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#ifdef MACOS_USE_BUNDLE
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void set_macos_bundle_resources(lua_State *L);
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#endif
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2021-04-19 09:52:00 +02:00
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#endif
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2019-12-28 12:16:32 +01:00
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int main(int argc, char **argv) {
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#ifdef _WIN32
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HINSTANCE lib = LoadLibrary("user32.dll");
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int (*SetProcessDPIAware)() = (void*) GetProcAddress(lib, "SetProcessDPIAware");
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SetProcessDPIAware();
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2021-06-02 17:27:40 +02:00
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#else
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signal(SIGPIPE, SIG_IGN);
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2019-12-28 12:16:32 +01:00
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#endif
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SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
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SDL_EnableScreenSaver();
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SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
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atexit(SDL_Quit);
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2020-06-03 15:05:55 +02:00
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#ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* Available since 2.0.8 */
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SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
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#endif
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2019-12-28 12:16:32 +01:00
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#if SDL_VERSION_ATLEAST(2, 0, 5)
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SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1");
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#endif
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SDL_DisplayMode dm;
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SDL_GetCurrentDisplayMode(0, &dm);
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window = SDL_CreateWindow(
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2020-05-14 23:28:22 +02:00
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"", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, dm.w * 0.8, dm.h * 0.8,
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SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_HIDDEN);
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2020-05-06 20:49:34 +02:00
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init_window_icon();
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2019-12-28 12:16:32 +01:00
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ren_init(window);
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2020-12-10 12:44:01 +01:00
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lua_State *L;
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init_lua:
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L = luaL_newstate();
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2019-12-28 12:16:32 +01:00
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luaL_openlibs(L);
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api_load_libs(L);
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lua_newtable(L);
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for (int i = 0; i < argc; i++) {
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lua_pushstring(L, argv[i]);
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lua_rawseti(L, -2, i + 1);
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}
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2020-04-25 10:57:35 +02:00
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lua_setglobal(L, "ARGS");
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2020-04-23 21:03:14 +02:00
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lua_pushstring(L, SDL_GetPlatform());
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2020-04-25 10:57:35 +02:00
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lua_setglobal(L, "PLATFORM");
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2019-12-28 12:16:32 +01:00
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2019-12-31 11:49:07 +01:00
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lua_pushnumber(L, get_scale());
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2020-04-25 10:57:35 +02:00
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lua_setglobal(L, "SCALE");
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2019-12-28 12:16:32 +01:00
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2020-05-17 10:36:46 +02:00
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char exename[2048];
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get_exe_filename(exename, sizeof(exename));
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lua_pushstring(L, exename);
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lua_setglobal(L, "EXEFILE");
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2019-12-31 11:49:07 +01:00
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2021-04-18 17:51:31 +02:00
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#ifdef __APPLE__
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2021-04-21 09:52:16 +02:00
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enable_momentum_scroll();
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2021-08-18 14:26:51 +02:00
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#ifdef MACOS_USE_BUNDLE
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set_macos_bundle_resources(L);
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#endif
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2021-04-18 17:51:31 +02:00
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#endif
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2020-12-10 12:44:01 +01:00
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const char *init_lite_code = \
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2019-12-28 12:16:32 +01:00
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"local core\n"
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"xpcall(function()\n"
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2021-03-05 09:42:48 +01:00
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" HOME = os.getenv('" LITE_OS_HOME "')\n"
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2021-06-27 17:14:48 +02:00
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" local exedir = EXEFILE:match('^(.*)" LITE_PATHSEP_PATTERN LITE_NONPATHSEP_PATTERN "$')\n"
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" local prefix = exedir:match('^(.*)" LITE_PATHSEP_PATTERN "bin$')\n"
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2021-04-18 17:51:31 +02:00
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" dofile((MACOS_RESOURCES or (prefix and prefix .. '/share/lite-xl' or exedir .. '/data')) .. '/core/start.lua')\n"
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2021-09-18 21:56:23 +02:00
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" core = require(os.getenv('LITE_XL_RUNTIME') or 'core')\n"
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2019-12-28 12:16:32 +01:00
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" core.init()\n"
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" core.run()\n"
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"end, function(err)\n"
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2021-03-05 23:46:41 +01:00
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" local error_dir\n"
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2021-03-07 09:48:44 +01:00
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" io.stdout:write('Error: '..tostring(err)..'\\n')\n"
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" io.stdout:write(debug.traceback(nil, 4)..'\\n')\n"
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2019-12-28 12:16:32 +01:00
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" if core and core.on_error then\n"
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2021-03-05 23:46:41 +01:00
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" error_dir=USERDIR\n"
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2019-12-28 12:16:32 +01:00
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" pcall(core.on_error, err)\n"
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2021-03-05 23:46:41 +01:00
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" else\n"
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" error_dir=system.absolute_path('.')\n"
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" local fp = io.open('error.txt', 'wb')\n"
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" fp:write('Error: ' .. tostring(err) .. '\\n')\n"
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2021-03-07 09:48:44 +01:00
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" fp:write(debug.traceback(nil, 4)..'\\n')\n"
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2021-03-05 23:46:41 +01:00
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" fp:close()\n"
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2019-12-28 12:16:32 +01:00
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" end\n"
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2021-03-05 23:46:41 +01:00
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" system.show_fatal_error('Lite XL internal error',\n"
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" 'An internal error occurred in a critical part of the application.\\n\\n'..\n"
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" 'Please verify the file \\\"error.txt\\\" in the directory '..error_dir)\n"
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2019-12-28 12:16:32 +01:00
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" os.exit(1)\n"
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2020-12-10 12:44:01 +01:00
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"end)\n"
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"return core and core.restart_request\n";
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2019-12-28 12:16:32 +01:00
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2020-12-10 12:44:01 +01:00
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if (luaL_loadstring(L, init_lite_code)) {
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fprintf(stderr, "internal error when starting the application\n");
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exit(1);
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}
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lua_pcall(L, 0, 1, 0);
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if (lua_toboolean(L, -1)) {
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lua_close(L);
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2021-09-26 16:18:13 +02:00
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rencache_invalidate();
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2020-12-10 12:44:01 +01:00
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goto init_lua;
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}
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2019-12-28 12:16:32 +01:00
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lua_close(L);
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2021-04-23 14:54:25 +02:00
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ren_free_window_resources();
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2019-12-28 12:16:32 +01:00
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return EXIT_SUCCESS;
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}
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