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138 lines
3.3 KiB
138 lines
3.3 KiB
#define _POSIX_C_SOURCE 200809l
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#include <stdio.h>
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#include <unistd.h>
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#include <math.h>
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#include <SDL2/SDL.h>
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#include "api/api.h"
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#include "renderer.h"
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#define MAX(a,b) ((a)>(b)?(a):(b))
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// TODO: configuration here is required
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#define FONT_14PT_SIZE_MM 3
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SDL_Window *window;
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static double get_scale(void)
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{
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float dpi, s;
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SDL_GetDisplayDPI(0, NULL, &dpi, NULL);
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s = (1.0/dpi)*25.4; // size of a point
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// as per standard 14 point should be 3mm
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return floor((FONT_14PT_SIZE_MM/(14*s))*10)/10.0;
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}
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static void get_exe_filename(char *buf, int sz)
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{
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#ifdef __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 defined(_PREFIX)
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strncpy(buf, _PREFIX, sz);
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#else
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strncpy(buf, "/usr/local/share/lite/", sz);
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#endif
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}
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static void init_window_icon(void)
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{
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// FIXME: include inside function!?
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#include "../icon.inl"
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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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}
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int main(int argc, char **argv)
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{
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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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#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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#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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"", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
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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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init_window_icon();
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ren_init(window);
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lua_State *L = luaL_newstate();
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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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lua_setglobal(L, "ARGS");
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lua_pushstring(L, "1.11");
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lua_setglobal(L, "VERSION");
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lua_pushstring(L, SDL_GetPlatform());
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lua_setglobal(L, "PLATFORM");
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lua_pushnumber(L, get_scale());
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lua_setglobal(L, "SCALE");
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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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(void) luaL_dostring(L,
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"local core\n"
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"xpcall(function()\n"
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" SCALE = tonumber(os.getenv(\"LITE_SCALE\")) or SCALE\n"
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" USERDIR = os.getenv(\"HOME\") .. '/.config/lite'\n"
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" TEMPDIR = os.getenv(\"LITE_CACHE\") or '/tmp'\n"
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" PATHSEP = package.config:sub(1, 1)\n"
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" EXEDIR = EXEFILE:match(\"^(.+)[/\\\\].*$\")\n"
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" package.path = EXEDIR .. '/data/?.lua;' .. package.path\n"
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" package.path = EXEDIR .. '/data/?/init.lua;' .. package.path\n"
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// load user config file
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" package.path = USERDIR .. '/?.lua;' .. package.path\n"
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" package.path = USERDIR .. '/?/init.lua;' .. package.path\n"
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" core = require('core')\n"
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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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" print('Error: ' .. tostring(err))\n"
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" print(debug.traceback(nil, 2))\n"
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" if core and core.on_error then\n"
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" pcall(core.on_error, err)\n"
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" end\n"
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" os.exit(1)\n"
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"end)");
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lua_close(L);
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SDL_DestroyWindow(window);
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return EXIT_SUCCESS;
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}
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