1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include <windows.h>
9 #include <tchar.h>
10
11 #include "SkTypes.h"
12 #include "Timer.h"
13 #include "Window_win.h"
14 #include "../Application.h"
15
16 using sk_app::Application;
17
tchar_to_utf8(const TCHAR * str)18 static char* tchar_to_utf8(const TCHAR* str) {
19 #ifdef _UNICODE
20 int size = WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), NULL, 0, NULL, NULL);
21 char* str8 = (char*)sk_malloc_throw(size + 1);
22 WideCharToMultiByte(CP_UTF8, 0, str, wcslen(str), str8, size, NULL, NULL);
23 str8[size] = '\0';
24 return str8;
25 #else
26 return _strdup(str);
27 #endif
28 }
29
30 // This file can work with GUI or CONSOLE subsystem types since we define _tWinMain and main().
31
32 static int main_common(HINSTANCE hInstance, int show, int argc, char**argv);
33
_tWinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPTSTR lpCmdLine,int nCmdShow)34 int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine,
35 int nCmdShow) {
36
37 // convert from lpCmdLine to argc, argv.
38 char* argv[4096];
39 int argc = 0;
40 TCHAR exename[1024], *next;
41 int exenameLen = GetModuleFileName(NULL, exename, SK_ARRAY_COUNT(exename));
42 // we're ignoring the possibility that the exe name exceeds the exename buffer
43 (void)exenameLen;
44 argv[argc++] = tchar_to_utf8(exename);
45 TCHAR* arg = _tcstok_s(lpCmdLine, _T(" "), &next);
46 while (arg != NULL) {
47 argv[argc++] = tchar_to_utf8(arg);
48 arg = _tcstok_s(NULL, _T(" "), &next);
49 }
50 int result = main_common(hInstance, nCmdShow, argc, argv);
51 for (int i = 0; i < argc; ++i) {
52 sk_free(argv[i]);
53 }
54 return result;
55 }
56
main(int argc,char ** argv)57 int main(int argc, char**argv) {
58 return main_common(GetModuleHandle(NULL), SW_SHOW, argc, argv);
59 }
60
main_common(HINSTANCE hInstance,int show,int argc,char ** argv)61 static int main_common(HINSTANCE hInstance, int show, int argc, char**argv) {
62
63 Application* app = Application::Create(argc, argv, (void*)hInstance);
64
65 MSG msg;
66 memset(&msg, 0, sizeof(msg));
67
68 bool idled = false;
69
70 // Main message loop
71 while (WM_QUIT != msg.message) {
72 if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
73 TranslateMessage(&msg);
74
75 if (WM_PAINT == msg.message) {
76 // Ensure that call onIdle at least once per WM_PAINT, or mouse events can
77 // overwhelm the message processing loop, and prevent animation from running.
78 if (!idled) {
79 app->onIdle();
80 }
81 idled = false;
82 }
83 DispatchMessage(&msg);
84 } else {
85 app->onIdle();
86 idled = true;
87 }
88 }
89
90 delete app;
91
92 return (int)msg.wParam;
93 }
94