diff options
Diffstat (limited to 'Editor/wog.c')
| -rw-r--r-- | Editor/wog.c | 746 |
1 files changed, 0 insertions, 746 deletions
diff --git a/Editor/wog.c b/Editor/wog.c deleted file mode 100644 index 29f0810..0000000 --- a/Editor/wog.c +++ /dev/null @@ -1,746 +0,0 @@ -/** -* Copyright (c) 2015~2017 chai(neonum) -* -* This library is free software; you can redistribute it and/or modify it -* under the terms of the MIT license. See LICENSE for details. -*/ - -#include "wog.h" -#include <windows.h> -#include <malloc.h> -#include <stdio.h> -#include <memory.h> -#include <assert.h> - -#if WOG_API == WOG_GL -#include <gl/GL.h> -#include <gl/GLU.h> -#endif - - -#if WOG_API == WOG_GL -/** -* We need opengl32.lib and glu32.lib for using opengl functions on -* windows platform. -*/ -#pragma comment( lib, "opengl32.lib" ) -//#pragma comment( lib, "glu32.lib" ) -#endif - -#define WINDOW_CLASS "WOG_WND" - -#define heap_alloc(T, C) (T*)malloc(sizeof(T)*(C)) -#define stack_alloc(T, C) (T*)alloca(sizeof(T)*(C)) -#define zero_mem(I, L) memset(I, 0, L) - -#define max(a, b) (a < b ? b : a) -#define min(a, b) (a < b ? a : b) -#define clamp(x, minv, maxv) (max(minv, min(x, maxv))) - -static HINSTANCE g_hinstance = NULL; - -typedef struct wog_Window -{ - HWND hwnd; // Window handler - HINSTANCE hInstance; - HDC hdc; // Device Context - HDC mdc; // Memory Device Contexts -#if WOG_API == WOG_GDI - wog_Surface* surface; // render buffer -#endif - int mouse_capture; // mouse capture count -}wog_Window; - -#if WOG_API == WOG_GL -typedef struct wog_GLContext -{ - HGLRC hrc; // Rendering Context -}wog_GLContext; -#endif - -// A mouse capture count is used -void wog_setMouseCapture(wog_Window* wnd) -{ - if (wnd->mouse_capture <= 0) - { - SetCapture(wnd->hwnd); - wnd->mouse_capture = 0; - } - ++wnd->mouse_capture; -} - -void wog_releaseMouseCapture(wog_Window* wnd) -{ - --wnd->mouse_capture; - if (wnd->mouse_capture <= 0) - ReleaseCapture(); -} - -void wog_handleEvent(wog_Window* window, MSG* msg, wog_Event* e) -{ - UINT uMsg; - WPARAM wParam; - LPARAM lParam; - uMsg = msg->message; - wParam = msg->wParam; - lParam = msg->lParam; - HWND hWnd = window->hwnd; - - switch (uMsg) - { - case WM_SYSCOMMAND: - { - switch (wParam) - { - case SC_SCREENSAVE: - case SC_MONITORPOWER: - return ; - } - break; - } - return ; - - case WM_CLOSE: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_ECLOSE; - return ; - } - - case WM_KEYDOWN: - case WM_SYSKEYDOWN: - if ((wParam >= 0) && (wParam <= 255)) - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EKEYDOWN; - e->key = wParam; - - return ; - } - break; - - case WM_KEYUP: - case WM_SYSKEYUP: - if ((wParam >= 0) && (wParam <= 255)) - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EKEYUP; - e->key = wParam; - - return ; - } - break; - - case WM_MOUSEMOVE: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEMOTION; - wog_getMouse(window, &e->pos.x, &e->pos.y); - return ; - } - - case WM_MOUSEWHEEL: // mousewheel scroll - { - int zDelta = GET_WHEEL_DELTA_WPARAM(wParam); - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEWHEEL; - e->wheel = zDelta > 0 ? 1 : -1; - return ; - } - - case WM_LBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_LBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_RBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_RBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_MBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_MIDDLE; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_LBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_LBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_RBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_RBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_MBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_MIDDLE; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_PAINT: - - UpdateWindow(window->hwnd); - - return 0; - - break; - - default: - e->type = WOG_EUNKNOWN; - break; - } - DefWindowProc(hWnd, uMsg, wParam, lParam); - return ; -} - - -int wog_pollEvent(wog_Window* wnd, wog_Event* e) -{ - MSG msg; - if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) - { - if (msg.message == WM_QUIT) return 0; - TranslateMessage(&msg); - wog_handleEvent(wnd, &msg, e); - return 1; - } - return 0; -} - - -// on size changed callback; -static wog_Callback onSizeChanged = 0; -static wog_Callback onQuit = 0; - - -static LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - // Get The Window Context - wog_Window* window = (wog_Window*)(GetWindowLong(hWnd, GWLP_WNDPROC)); - - // call callback functions -#define call(callback)\ - if (callback) \ - callback(window) - - switch (uMsg) - { - case WM_CREATE: - { - CREATESTRUCT* creation = (CREATESTRUCT*)(lParam); // Store Window Structure Pointer - window = (wog_Window*)(creation->lpCreateParams); // Get wog_Window - SetWindowLong(hWnd, GWLP_WNDPROC, (LONG)(window)); // Save it - } - return 0; - - case WM_CLOSE: // Post WM_CLOSE to message queue. - PostMessage(hWnd, WM_CLOSE, wParam, lParam); - return 0; - - case WM_SIZE: - call(onSizeChanged); - return 0; - - case WM_QUIT: - call(onQuit); - return 0; - - } - - return DefWindowProc(hWnd, uMsg, wParam, lParam); -#undef call -} - - -void wog_registerResizeCallback(wog_Callback cal) -{ - onSizeChanged = cal; -} - - -void wog_registerQuitCallback(wog_Callback cal) -{ - onQuit = cal; -} - -#if WOG_API == WOG_GDI -wog_Surface* wog_getsurface(wog_Window* wnd) { - return wnd->surface; -} -#endif - -static int registerWindowClass() -{ - // Register A Window Class - WNDCLASSEX windowClass; // Window Class - zero_mem(&windowClass, sizeof(WNDCLASSEX)); // Make Sure Memory Is Cleared - - windowClass.cbSize = sizeof(WNDCLASSEX); // Size Of The windowClass Structure - windowClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; // Redraws The Window For Any Movement / Resizing - windowClass.lpfnWndProc = (WNDPROC)(WindowProc); // WindowProc Handles Messages - windowClass.hInstance = g_hinstance; // Set The Instance - windowClass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE); // Class Background Brush Color - windowClass.hCursor = LoadCursor(NULL, IDC_ARROW); // Load The Arrow Pointer - windowClass.lpszClassName = WINDOW_CLASS; // Sets The Applications Classname - //windowClass.hIcon = (HICON)LoadIcon(g_hinstance, "icon.ico"); - - if (RegisterClassEx(&windowClass) == 0) // Did Registering The Class Fail? - { - // NOTE: Failure, Should Never Happen - MessageBox(HWND_DESKTOP, "RegisterClassEx Failed!", "Error", MB_OK | MB_ICONEXCLAMATION); - return FALSE; // Return False (Failure) - } - return TRUE; -} - -/* - * for memory device context, see - * https://docs.microsoft.com/en-us/windows/desktop/gdi/memory-device-contexts - * also - * SDL_windowsframebuffer.c WIN_CreateWindowFramebuffer - */ -static void create_surface(wog_Window* wnd, int width, int height) { - BITMAPINFOHEADER bi_header; - HDC memory_dc; - HBITMAP dib_bitmap; - HBITMAP old_bitmap; - unsigned char *buffer; // color buffer - wog_Surface *surface; - - memory_dc = CreateCompatibleDC(wnd->hdc); /*memory device contexts*/ - - memset(&bi_header, 0, sizeof(BITMAPINFOHEADER)); - bi_header.biSize = sizeof(BITMAPINFOHEADER); - bi_header.biWidth = width; - bi_header.biHeight = -height; /* top-down */ - bi_header.biPlanes = 1; - bi_header.biBitCount = 32; - bi_header.biCompression = BI_RGB; - /*create bitmap*/ - dib_bitmap = CreateDIBSection(memory_dc, (BITMAPINFO*)&bi_header, DIB_RGB_COLORS, (void**)&buffer, NULL, 0); - assert(dib_bitmap != NULL); - old_bitmap = (HBITMAP)SelectObject(memory_dc, dib_bitmap); - DeleteObject(old_bitmap); - - surface = (wog_Surface*)malloc(sizeof(wog_Surface)); - surface->width = width; - surface->height = height; - surface->channels = 4; - surface->buffer = buffer; - -#if WOG_API == WOG_GDI - wnd->surface = surface; -#endif - wnd->mdc = memory_dc; -} - - -wog_Window* wog_createWindow(const char* title, int width, int height, int x, int y, uint32 flags) -{ - int client_w = width, client_h = height; - - if (g_hinstance == NULL) - { - g_hinstance = GetModuleHandle(NULL); - } - - if (! registerWindowClass()) - { - printf("Register window class failed.\n"); - return 0; - } - - wog_Window* wnd = heap_alloc(wog_Window, 1); - zero_mem(wnd, sizeof(wog_Window)); - - DWORD windowStyle = 0; // Define Our Window Style - windowStyle |= WS_POPUP; - windowStyle |= WS_OVERLAPPED; - windowStyle |= WS_CAPTION; - windowStyle |= WS_SYSMENU; - windowStyle |= WS_MINIMIZEBOX; - windowStyle |= WS_MAXIMIZEBOX; - //windowStyle |= WS_VISIBLE; -#define hasbit(fs, f) ((fs & f) == f) - /*if (hasbit(flags, WOG_RESIZABLE)) */windowStyle |= WS_SIZEBOX; - if (hasbit(flags, WOG_DISABLE)) windowStyle |= WS_DISABLED; - - DWORD windowExtendedStyle = WS_EX_APPWINDOW; // Define The Window's Extended Style - RECT windowRect = { 0, 0, width, height }; - AdjustWindowRectEx(&windowRect, windowStyle, 0, windowExtendedStyle); - width = windowRect.right - windowRect.left; - height = windowRect.bottom - windowRect.top; - wnd->hwnd = CreateWindowEx( - windowExtendedStyle, - WINDOW_CLASS, - title, - windowStyle, - x, y, - width, height, - HWND_DESKTOP, - 0, - GetModuleHandle(NULL), - wnd - ); - - wnd->hInstance = g_hinstance; - - if (wnd->hwnd == 0) - return 0; - - if (hasbit(flags, WOG_HIDDEN)) wog_hide(wnd); - - // init device context - wnd->hdc = GetDC(wnd->hwnd); - if (wnd->hdc== 0) - { - DestroyWindow(wnd->hwnd); - wnd->hwnd = 0; - return 0; - } - - wnd->mouse_capture = 0; - -#if WOG_API == WOG_GDI - create_surface(wnd, client_w, client_h); -#endif - -#if WOG_API == WOG_GL - PIXELFORMATDESCRIPTOR pfd = // pfd Tells Windows How We Want Things To Be - { - sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor - 1, // Version Number - PFD_DRAW_TO_WINDOW | // Format Must Support Window - PFD_SUPPORT_OPENGL | // Format Must Support OpenGL - PFD_DOUBLEBUFFER, // Must Support Double Buffering - PFD_TYPE_RGBA, // Request An RGBA Format - 32, // Select Our Color Depth - 0, 0, 0, 0, 0, 0, // Color Bits Ignored - 0, // No Alpha Buffer - 0, // Shift Bit Ignored - 0, // No Accumulation Buffer - 0, 0, 0, 0, // Accumulation Bits Ignored - 16, // 16Bit Z-Buffer (Depth Buffer) - 0, // No Stencil Buffer - 0, // No Auxiliary Buffer - PFD_MAIN_PLANE, // Main Drawing Layer - 0, // Reserved - 0, 0, 0 // Layer Masks Ignored - }; - // set pixel format - unsigned int pixelformat; - pixelformat = ChoosePixelFormat(wnd->hdc, &pfd); - if (pixelformat == 0) - { - wog_destroyWindow(wnd); - return 0; - } - - // set pixel format - if (SetPixelFormat(wnd->hdc, pixelformat, &pfd) == 0 ) - { - wog_destroyWindow(wnd); - return 0; - } -#endif - - return wnd; -} - -#if WOG_API == WOG_GL -wog_GLContext* wog_createGLContext(wog_Window* wnd) -{ - wog_GLContext* cxt = heap_alloc(wog_GLContext, 1); - zero_mem(cxt, sizeof(wog_GLContext)); - cxt->hrc = wglCreateContext(wnd->hdc); // create opengl context base on device context - if (cxt->hrc == 0) - { - free(cxt); - return 0; - } - return cxt; -} -#endif - -#if WOG_API == WOG_GL -int wog_makeCurrent(wog_Window* wnd, wog_GLContext* cxt) -{ - if (wnd && cxt) - { - if (wglMakeCurrent(wnd->hdc, cxt->hrc) == 0) - { - return 0; - } - return 1; - } - - return 0; -} -#endif - -#if WOG_API == WOG_GL -void wog_destroyGLContext(wog_GLContext* cxt) -{ - if (cxt && cxt->hrc) - { - wglDeleteContext(cxt->hrc); - free(cxt); - } -} -#endif - -#if WOG_API == WOG_GDI -void wog_updateSurface(wog_Window* wnd) { - if(wnd->surface == NULL) return ; - int width = wnd->surface->width, height = wnd->surface->height; - BitBlt(wnd->hdc, 0, 0, wnd->surface, height, wnd->mdc, 0, 0, SRCCOPY); -} -#endif - -void wog_destroyWindow(wog_Window* wnd) -{ - if (wnd) - { - ReleaseDC(wnd->hwnd, wnd->hdc); - DestroyWindow(wnd->hwnd); - free(wnd); - } -} - - -static void UnEscapeQuotes(char *arg) -{ - char *last = NULL; - - while (*arg) { - if (*arg == '"' && *last == '\\') { - char *c_curr = arg; - char *c_last = last; - - while (*c_curr) { - *c_last = *c_curr; - c_last = c_curr; - c_curr++; - } - *c_last = '\0'; - } - last = arg; - arg++; - } -} - - -/* Parse a command line buffer into arguments */ -static int ParseCommandLine(char *cmdline, char **argv) -{ - char *bufp; - char *lastp = NULL; - int argc, last_argc; - - argc = last_argc = 0; - for (bufp = cmdline; *bufp; ) { - /* Skip leading whitespace */ - while (isspace(*bufp)) { - ++bufp; - } - /* Skip over argument */ - if (*bufp == '"') { - ++bufp; - if (*bufp) { - if (argv) { - argv[argc] = bufp; - } - ++argc; - } - /* Skip over word */ - while (*bufp && (*bufp != '"' || (lastp && *lastp == '\\'))) { - lastp = bufp; - ++bufp; - } - } - else { - if (*bufp) { - if (argv) { - argv[argc] = bufp; - } - ++argc; - } - /* Skip over word */ - while (*bufp && !isspace(*bufp)) { - ++bufp; - } - } - if (*bufp) { - if (argv) { - *bufp = '\0'; - } - ++bufp; - } - - /* Strip out \ from \" sequences */ - if (argv && last_argc != argc) { - UnEscapeQuotes(argv[last_argc]); - } - last_argc = argc; - } - if (argv) { - argv[argc] = NULL; - } - return(argc); -} - - -#ifdef main -#undef main -#endif - - -#if defined(_MSC_VER) && !defined(_WIN32_WCE) -/* The VC++ compiler needs main defined */ -#define console_main main -#endif - -//extern int wog_main(int argc, char* argv[]); - -/** -* Entry of console application. -*/ -//int console_main(int argc, char* argv[]) -//{ -// int status = wog_main(argc, argv); -// return status; -//} - - -/** -* Entry of windows application. -*/ -//int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) -//{ -// g_hinstance = hInst; -// -// char* temp = GetCommandLine(); -// int len = strlen(temp) + 1; -// char* cmd = stack_alloc(char, len); -// strcpy(cmd, temp); -// cmd[len - 1] = '\0'; -// -// int argc = 0; -// char** argv = 0; -// argc = ParseCommandLine(cmd, 0); -// ParseCommandLine(cmd, 0); -// argv = stack_alloc(char*, argc + 1); -// ParseCommandLine(cmd, argv); -// -// int status = console_main(argc, argv); -// -// return status; -//} - - -void wog_swapBuffers(wog_Window* wnd) -{ - if (wnd) - { - SwapBuffers(wnd->hdc); - } -} - - -void wog_getMouse(wog_Window* wnd, int *x, int *y) -{ - POINT p; - GetCursorPos(&p); - ScreenToClient(wnd->hwnd, &p); - int w, h; - wog_getwindowsize(wnd, &w, &h); - //*x = clamp(p.x, 0, w); - //*y = clamp(p.y, 0, h); - *x = p.x; - *y = p.y; -} - - -void wog_getwindowsize(wog_Window* wnd, int* width, int* height) -{ - RECT r; - GetClientRect(wnd->hwnd, &r); - *width = r.right; - *height = r.bottom; -} - - -void wog_show(wog_Window* wnd) -{ - ShowWindow(wnd->hwnd, SW_SHOW); -} - - -void wog_hide(wog_Window* wnd) -{ - ShowWindow(wnd->hwnd, SW_HIDE); -} - - -void wog_sleep(int ms) -{ - Sleep(ms); -} - -int wog_tick() -{ - return GetTickCount(); -} - - -void wog_setcursor(wog_Window* wnd, unsigned int cursor) -{ - SetCursor(LoadCursor(NULL, cursor)); -} - -//void wog_setcursorImage(wog_Window* wnd, const char* path) -//{ -// SetCursor(LoadImageA(NULL, path, IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_LOADFROMFILE)); -// printf("wog_setcursorImage\n"); -//} - -void wog_setcursorImage(wog_Window* wnd, Wog_Cursor icon) -{ - SetCursor(icon); -} - -HINSTANCE wog_get_instance() -{ - return g_hinstance; -} |