Workaround for light title bar in Windows
Use undocumented APIs to make Windows display title bar in dark mode
This commit is contained in:
Pratyush Nair
parent
38bd9b3326
commit
bd8b525faa
354
src/main.c
354
src/main.c
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@ -1,145 +1,209 @@
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#include <stdio.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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#ifdef _WIN32
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#include <windows.h>
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#elif __linux__
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#include <unistd.h>
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#elif __APPLE__
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#include <mach-o/dyld.h>
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#endif
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SDL_Window *window;
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static double get_scale(void) {
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float dpi;
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SDL_GetDisplayDPI(0, NULL, &dpi, NULL);
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#if _WIN32
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return dpi / 96.0;
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#else
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return 1.0;
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#endif
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}
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static void get_exe_filename(char *buf, int sz) {
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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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unsigned size = sz;
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_NSGetExecutablePath(buf, &size);
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#else
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strcpy(buf, "./lite");
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#endif
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}
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static void init_window_icon(void) {
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#ifndef _WIN32
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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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#endif
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}
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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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#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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#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, 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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" 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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" 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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#include <stdio.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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#ifdef _WIN32
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#include <windows.h>
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#include <dwmapi.h>
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#include <SDL2/SDL_syswm.h>
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enum WINDOWCOMPOSITIONATTRIB {
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WCA_USEDARKMODECOLORS = 26
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};
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struct WINDOWCOMPOSITIONATTRIBDATA {
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enum WINDOWCOMPOSITIONATTRIB Attrib;
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PVOID pvData;
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SIZE_T cbData;
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};
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enum PreferredAppMode { Default, AllowDark, ForceDark, ForceLight, Max };
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typedef BOOL(WINAPI *fnSetWindowCompositionAttribute)(
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HWND hWnd, struct WINDOWCOMPOSITIONATTRIBDATA *);
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typedef VOID(WINAPI *fnRefreshImmersiveColorPolicyState)(); // ordinal 104
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typedef BOOL(WINAPI *fnShouldAppsUseDarkMode)(); // ordinal 132
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typedef enum PreferredAppMode(WINAPI *fnSetPreferredAppMode)(
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enum PreferredAppMode appMode); // ordinal 135
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fnRefreshImmersiveColorPolicyState _RefreshImmersiveColorPolicyState = NULL;
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fnSetWindowCompositionAttribute _SetWindowCompositionAttribute = NULL;
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fnShouldAppsUseDarkMode _ShouldAppsUseDarkMode = NULL;
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fnSetPreferredAppMode _SetPreferredAppMode = NULL;
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HWND getWinHandle(SDL_Window *win) {
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SDL_SysWMinfo infoWindow;
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SDL_VERSION(&infoWindow.version);
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SDL_GetWindowWMInfo(win, &infoWindow);
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return (infoWindow.info.win.window);
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}
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void get_dark_titlebar(SDL_Window *window, int dark) {
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HWND hwnd;
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hwnd = getWinHandle(window);
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HMODULE hUxtheme =
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LoadLibraryExW(L"uxtheme.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
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if (hUxtheme) {
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_SetWindowCompositionAttribute =
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(fnSetWindowCompositionAttribute)(GetProcAddress(
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GetModuleHandleW(L"user32.dll"), "SetWindowCompositionAttribute"));
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_RefreshImmersiveColorPolicyState = (fnRefreshImmersiveColorPolicyState)(
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GetProcAddress(hUxtheme, MAKEINTRESOURCEA(104)));
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_ShouldAppsUseDarkMode = (fnShouldAppsUseDarkMode)(
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GetProcAddress(hUxtheme, MAKEINTRESOURCEA(132)));
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_SetPreferredAppMode = (fnSetPreferredAppMode)(
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GetProcAddress(hUxtheme, MAKEINTRESOURCEA(135)));
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if (_RefreshImmersiveColorPolicyState && _ShouldAppsUseDarkMode &&
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_SetPreferredAppMode) {
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_SetPreferredAppMode(AllowDark);
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_RefreshImmersiveColorPolicyState();
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LONG ldark = dark;
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struct WINDOWCOMPOSITIONATTRIBDATA data = {WCA_USEDARKMODECOLORS, &ldark,
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sizeof ldark};
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_SetWindowCompositionAttribute(hwnd, &data);
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}
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}
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}
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#elif __linux__
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#include <unistd.h>
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#elif __APPLE__
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#include <mach-o/dyld.h>
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#endif
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SDL_Window *window;
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static double get_scale(void) {
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float dpi;
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SDL_GetDisplayDPI(0, NULL, &dpi, NULL);
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#if _WIN32
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return dpi / 96.0;
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#else
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return 1.0;
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#endif
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}
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static void get_exe_filename(char *buf, int sz) {
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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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unsigned size = sz;
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_NSGetExecutablePath(buf, &size);
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#else
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strcpy(buf, "./lite");
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#endif
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}
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static void init_window_icon(void) {
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#ifndef _WIN32
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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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#endif
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}
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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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#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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#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, 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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#if _WIN32
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get_dark_titlebar(window, 1);
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#endif
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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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" 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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" 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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