/* * Mr. 4th Dimention - Allen Webster * * 12.12.2014 * * Win32 layer for 4coder * */ // TOP #define IS_PLAT_LAYER #include "4ed_os_comp_cracking.h" // // Program setup // #define UNICODE #define FPS 60 #define frame_useconds (1000000 / FPS) #include "4ed_defines.h" #include "4coder_API/version.h" #define WINDOW_NAME L"4coder: " L_VERSION #include #include "4coder_lib/4coder_utf8.h" #if defined(FRED_SUPER) # include "4coder_API/keycodes.h" # include "4coder_API/style.h" # define FSTRING_IMPLEMENTATION # include "4coder_lib/4coder_string.h" # include "4coder_lib/4coder_mem.h" # include "4coder_API/types.h" # include "4ed_os_custom_api.h" #else # include "4coder_default_bindings.cpp" #endif #include "4ed_math.h" #include "4ed_system.h" #include "4ed_log.h" #include "4ed_rendering.h" #include "4ed.h" #include #include #include "win32_gl.h" #define GL_TEXTURE_MAX_LEVEL 0x813D ////////////////////////////// #include "win32_utf8.h" #include "4ed_file_track.h" #include "4ed_font_interface_to_os.h" #include "4ed_system_shared.h" #include "4ed_shared_thread_constants.h" #include "win32_threading_wrapper.h" // // Win32_Vars structs // #define WM_4coder_ANIMATE (WM_USER + 0) struct Control_Keys{ b8 l_ctrl; b8 r_ctrl; b8 l_alt; b8 r_alt; }; global Control_Keys null_control_keys = {0}; struct Win32_Input_Chunk_Transient{ Key_Input_Data key_data; b8 mouse_l_press, mouse_l_release; b8 mouse_r_press, mouse_r_release; b8 out_of_window; i8 mouse_wheel; b8 trying_to_kill; }; global Win32_Input_Chunk_Transient null_input_chunk_transient = {0}; struct Win32_Input_Chunk_Persistent{ i32 mouse_x, mouse_y; b8 mouse_l, mouse_r; Control_Keys controls; b8 control_keys[MDFR_INDEX_COUNT]; }; struct Win32_Input_Chunk{ Win32_Input_Chunk_Transient trans; Win32_Input_Chunk_Persistent pers; }; //////////////////////////////// #define SLASH '\\' #define DLL "dll" global System_Functions sysfunc; #include "4ed_shared_library_constants.h" #include "win32_library_wrapper.h" #include "4ed_standard_libraries.cpp" #include "4ed_coroutine.cpp" //////////////////////////////// struct Win32_Vars{ Win32_Input_Chunk input_chunk; b32 lctrl_lalt_is_altgr; b32 got_useful_event; b32 full_screen; b32 do_toggle; WINDOWPLACEMENT bordered_win_pos; b32 send_exit_signal; HCURSOR cursor_ibeam; HCURSOR cursor_arrow; HCURSOR cursor_leftright; HCURSOR cursor_updown; u8 *clip_buffer; u32 clip_max; String clipboard_contents; b32 next_clipboard_is_self; DWORD clipboard_sequence; HWND window_handle; i32 dpi_x, dpi_y; f64 count_per_usecond; b32 first; i32 running_cli; u32 log_position; }; //////////////////////////////// global Win32_Vars win32vars; global Render_Target target; global Application_Memory memory_vars; global Plat_Settings plat_settings; global Libraries libraries; global App_Functions app; global Custom_API custom_api; global Coroutine_System_Auto_Alloc coroutines; //////////////////////////////// #include "win32_error_box.cpp" //////////////////////////////// internal HANDLE handle_type(Plat_Handle h){ HANDLE result; memcpy(&result, &h, sizeof(result)); return(result); } internal Plat_Handle handle_type(HANDLE h){ Plat_Handle result = {0}; memcpy(&result, &h, sizeof(h)); return(result); } //////////////////////////////// #include "win32_4ed_functions.cpp" #include "4ed_shared_file_handling.cpp" //////////////////////////////// internal void system_schedule_step(){ PostMessage(win32vars.window_handle, WM_4coder_ANIMATE, 0, 0); } //////////////////////////////// #include "4ed_work_queues.cpp" //////////////////////////////// // HACK(allen): Get this shit working more properly (look at pens) internal void win32_toggle_fullscreen(){ HWND win = win32vars.window_handle; DWORD style = GetWindowLongW(win, GWL_STYLE); b32 is_full = ((style & WS_OVERLAPPEDWINDOW) == 0); if (!is_full){ MONITORINFO info = {sizeof(MONITORINFO)}; if (GetWindowPlacement(win, &win32vars.bordered_win_pos) && GetMonitorInfo(MonitorFromWindow(win, MONITOR_DEFAULTTOPRIMARY), &info)){ SetWindowLongW(win, GWL_STYLE, style & ~WS_OVERLAPPEDWINDOW); i32 x = info.rcMonitor.left; i32 y = info.rcMonitor.top; i32 w = info.rcMonitor.right - info.rcMonitor.left; i32 h = info.rcMonitor.bottom - info.rcMonitor.top; SetWindowPos(win, HWND_TOP, x, y, w, h, SWP_NOOWNERZORDER | SWP_FRAMECHANGED | SWP_SHOWWINDOW); win32vars.full_screen = true; } } else{ SetWindowLongW(win, GWL_STYLE, style | WS_OVERLAPPEDWINDOW); SetWindowPlacement(win, &win32vars.bordered_win_pos); SetWindowPos(win, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED); win32vars.full_screen = false; } } // TODO(allen): add a "shown but auto-hides on timer" setting here. internal Sys_Show_Mouse_Cursor_Sig(system_show_mouse_cursor){ switch (show){ case MouseCursorShow_Never: ShowCursor(false); break; case MouseCursorShow_Always: ShowCursor(true); break; // TODO(allen): MouseCursor_HideWhenStill } } internal Sys_Set_Fullscreen_Sig(system_set_fullscreen){ // NOTE(allen): If the new value of full_screen does not match the current value, // set toggle to true. win32vars.do_toggle = (win32vars.full_screen != full_screen); b32 success = true; return(success); } internal Sys_Is_Fullscreen_Sig(system_is_fullscreen){ // NOTE(allen): Report the fullscreen status as it would be set at the beginning of the next frame. // That is, take into account all fullscreen toggle requests that have come in already this frame. // Read: "full_screen XOR do_toggle" b32 result = (win32vars.full_screen != win32vars.do_toggle); return(result); } internal Sys_Send_Exit_Signal_Sig(system_send_exit_signal){ win32vars.send_exit_signal = true; } #include "4ed_coroutine_functions.cpp" // // Clipboard // internal Sys_Post_Clipboard_Sig(system_post_clipboard){ if (OpenClipboard(win32vars.window_handle)){ EmptyClipboard(); HANDLE memory_handle; memory_handle = GlobalAlloc(GMEM_MOVEABLE, str.size+1); if (memory_handle){ char *dest = (char*)GlobalLock(memory_handle); copy_fast_unsafe_cs(dest, str); GlobalUnlock(memory_handle); SetClipboardData(CF_TEXT, memory_handle); win32vars.next_clipboard_is_self = 1; } CloseClipboard(); } } internal b32 win32_read_clipboard_contents(){ b32 result = false; if (IsClipboardFormatAvailable(CF_UNICODETEXT)){ result = true; if (OpenClipboard(win32vars.window_handle)){ HANDLE clip_data = GetClipboardData(CF_UNICODETEXT); if (clip_data != 0){ Partition *scratch = &shared_vars.scratch; Temp_Memory temp = begin_temp_memory(scratch); u16 *clip_16 = (u16*)GlobalLock(clip_data); if (clip_16 != 0){ u32 clip_16_len = 0; for(;clip_16[clip_16_len];++clip_16_len); // TODO(allen): Extend the buffer if it is too small. b32 error = false; u32 clip_8_len = (u32)utf16_to_utf8_minimal_checking(win32vars.clip_buffer, win32vars.clip_max-1, clip_16, clip_16_len, &error); if (clip_8_len < win32vars.clip_max && !error){ win32vars.clip_buffer[clip_8_len] = 0; win32vars.clipboard_contents = make_string_cap(win32vars.clip_buffer, clip_8_len, win32vars.clip_max); } GlobalUnlock(clip_data); } if (win32vars.clipboard_contents.str){ win32vars.clipboard_contents.size = str_size((char*)win32vars.clipboard_contents.str); } end_temp_memory(temp); } CloseClipboard(); } } return(result); } // // Command Line Exectuion // internal Sys_CLI_Call_Sig(system_cli_call){ char cmd[] = "c:\\windows\\system32\\cmd.exe"; char *env_variables = 0; char command_line[2048]; String s = make_fixed_width_string(command_line); copy_ss(&s, make_lit_string("/C ")); append_partial_sc(&s, script_name); b32 success = terminate_with_null(&s); if (success){ success = 0; SECURITY_ATTRIBUTES sec_attributes = {}; HANDLE out_read; HANDLE out_write; sec_attributes.nLength = sizeof(SECURITY_ATTRIBUTES); sec_attributes.bInheritHandle = TRUE; if (CreatePipe(&out_read, &out_write, &sec_attributes, 0)){ if (SetHandleInformation(out_read, HANDLE_FLAG_INHERIT, 0)){ STARTUPINFO startup = {}; startup.cb = sizeof(STARTUPINFO); startup.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES; startup.hStdError = out_write; startup.hStdOutput = out_write; startup.wShowWindow = SW_HIDE; PROCESS_INFORMATION info = {}; Assert(sizeof(Plat_Handle) >= sizeof(HANDLE)); if (CreateProcess_utf8((u8*)cmd, (u8*)command_line, 0, 0, TRUE, 0, env_variables, (u8*)path, &startup, &info)){ success = 1; CloseHandle(info.hThread); *(HANDLE*)&cli_out->proc = info.hProcess; *(HANDLE*)&cli_out->out_read = out_read; *(HANDLE*)&cli_out->out_write = out_write; ++win32vars.running_cli; } else{ CloseHandle(out_read); CloseHandle(out_write); *(HANDLE*)&cli_out->proc = INVALID_HANDLE_VALUE; *(HANDLE*)&cli_out->out_read = INVALID_HANDLE_VALUE; *(HANDLE*)&cli_out->out_write = INVALID_HANDLE_VALUE; } } else{ // TODO(allen): failed SetHandleInformation CloseHandle(out_read); CloseHandle(out_write); *(HANDLE*)&cli_out->proc = INVALID_HANDLE_VALUE; *(HANDLE*)&cli_out->out_read = INVALID_HANDLE_VALUE; *(HANDLE*)&cli_out->out_write = INVALID_HANDLE_VALUE; } } else{ // TODO(allen): failed CreatePipe } } return success; } struct CLI_Loop_Control{ u32 remaining_amount; }; internal Sys_CLI_Begin_Update_Sig(system_cli_begin_update){ Assert(sizeof(cli->scratch_space) >= sizeof(CLI_Loop_Control)); CLI_Loop_Control *loop = (CLI_Loop_Control*)cli->scratch_space; loop->remaining_amount = 0; } internal Sys_CLI_Update_Step_Sig(system_cli_update_step){ HANDLE handle = *(HANDLE*)&cli->out_read; CLI_Loop_Control *loop = (CLI_Loop_Control*)cli->scratch_space; b32 has_more = 0; DWORD remaining = loop->remaining_amount; u32 pos = 0; DWORD read_amount = 0; for (;;){ if (remaining == 0){ if (!PeekNamedPipe(handle, 0, 0, 0, &remaining, 0)) break; if (remaining == 0) break; } if (remaining + pos < max){ has_more = 1; ReadFile(handle, dest + pos, remaining, &read_amount, 0); TentativeAssert(remaining == read_amount); pos += remaining; remaining = 0; } else{ has_more = 1; ReadFile(handle, dest + pos, max - pos, &read_amount, 0); TentativeAssert(max - pos == read_amount); loop->remaining_amount = remaining - (max - pos); pos = max; break; } } *amount = pos; return(has_more); } internal Sys_CLI_End_Update_Sig(system_cli_end_update){ b32 close_me = 0; HANDLE proc = *(HANDLE*)&cli->proc; DWORD result = 0; if (WaitForSingleObject(proc, 0) == WAIT_OBJECT_0){ if (GetExitCodeProcess(proc, &result) == 0){ cli->exit = -1; } else{ cli->exit = (i32)result; } close_me = 1; CloseHandle(*(HANDLE*)&cli->proc); CloseHandle(*(HANDLE*)&cli->out_read); CloseHandle(*(HANDLE*)&cli->out_write); --win32vars.running_cli; } return(close_me); } // // Linkage to Custom and Application // #include "4ed_font_data.h" #include "4ed_system_shared.cpp" // // Helpers // global Key_Code keycode_lookup_table[255]; internal void Win32KeycodeInit(){ keycode_lookup_table[VK_BACK] = key_back; keycode_lookup_table[VK_DELETE] = key_del; keycode_lookup_table[VK_UP] = key_up; keycode_lookup_table[VK_DOWN] = key_down; keycode_lookup_table[VK_LEFT] = key_left; keycode_lookup_table[VK_RIGHT] = key_right; keycode_lookup_table[VK_INSERT] = key_insert; keycode_lookup_table[VK_HOME] = key_home; keycode_lookup_table[VK_END] = key_end; keycode_lookup_table[VK_PRIOR] = key_page_up; keycode_lookup_table[VK_NEXT] = key_page_down; keycode_lookup_table[VK_ESCAPE] = key_esc; keycode_lookup_table[VK_F1] = key_f1; keycode_lookup_table[VK_F2] = key_f2; keycode_lookup_table[VK_F3] = key_f3; keycode_lookup_table[VK_F4] = key_f4; keycode_lookup_table[VK_F5] = key_f5; keycode_lookup_table[VK_F6] = key_f6; keycode_lookup_table[VK_F7] = key_f7; keycode_lookup_table[VK_F8] = key_f8; keycode_lookup_table[VK_F9] = key_f9; keycode_lookup_table[VK_F10] = key_f10; keycode_lookup_table[VK_F11] = key_f11; keycode_lookup_table[VK_F12] = key_f12; keycode_lookup_table[VK_F13] = key_f13; keycode_lookup_table[VK_F14] = key_f14; keycode_lookup_table[VK_F15] = key_f15; keycode_lookup_table[VK_F16] = key_f16; } internal void Win32RedrawScreen(HDC hdc){ launch_rendering(&sysfunc, &target); glFlush(); SwapBuffers(hdc); } internal void Win32Resize(i32 width, i32 height){ if (width > 0 && height > 0){ glViewport(0, 0, width, height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0, width, height, 0, -1, 1); glScissor(0, 0, width, height); target.width = width; target.height = height; } } internal void* win32_load_gl_always(char *name, HMODULE module){ void *p = (void *)wglGetProcAddress(name), *r = 0; if(p == 0 || (p == (void*)0x1) || (p == (void*)0x2) || (p == (void*)0x3) || (p == (void*)-1) ){ r = (void *)GetProcAddress(module, name); } else{ r = p; } return(r); } internal void CALL_CONVENTION OpenGLDebugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char *message, const void *userParam){ OutputDebugStringA(message); OutputDebugStringA("\n"); } internal void Win32InitGL(){ // GL context initialization PIXELFORMATDESCRIPTOR format; format.nSize = sizeof(format); format.nVersion = 1; format.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; format.iPixelType = PFD_TYPE_RGBA; format.cColorBits = 32; format.cRedBits = 0; format.cRedShift = 0; format.cGreenBits = 0; format.cGreenShift = 0; format.cBlueBits = 0; format.cBlueShift = 0; format.cAlphaBits = 0; format.cAlphaShift = 0; format.cAccumBits = 0; format.cAccumRedBits = 0; format.cAccumGreenBits = 0; format.cAccumBlueBits = 0; format.cAccumAlphaBits = 0; format.cDepthBits = 24; format.cStencilBits = 8; format.cAuxBuffers = 0; format.iLayerType = PFD_MAIN_PLANE; format.bReserved = 0; format.dwLayerMask = 0; format.dwVisibleMask = 0; format.dwDamageMask = 0; HDC dc = GetDC(win32vars.window_handle); Assert(dc); int format_id = ChoosePixelFormat(dc, &format); Assert(format_id != 0); BOOL success = SetPixelFormat(dc, format_id, &format); Assert(success == TRUE); AllowLocal(success); HGLRC glcontext = wglCreateContext(dc); wglMakeCurrent(dc, glcontext); HMODULE module = LoadLibraryA("opengl32.dll"); AllowLocal(module); wglCreateContextAttribsARB_Function *wglCreateContextAttribsARB = 0; wglCreateContextAttribsARB = (wglCreateContextAttribsARB_Function*) win32_load_gl_always("wglCreateContextAttribsARB", module); wglChoosePixelFormatARB_Function *wglChoosePixelFormatARB = 0; wglChoosePixelFormatARB = (wglChoosePixelFormatARB_Function*) win32_load_gl_always("wglChoosePixelFormatARB", module); if (wglCreateContextAttribsARB != 0 && wglChoosePixelFormatARB != 0){ const int choosePixel_attribList[] = { WGL_DRAW_TO_WINDOW_ARB, TRUE, WGL_SUPPORT_OPENGL_ARB, TRUE, WGL_DOUBLE_BUFFER_ARB, GL_TRUE, WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, WGL_COLOR_BITS_ARB, 32, WGL_DEPTH_BITS_ARB, 24, WGL_STENCIL_BITS_ARB, 8, 0, }; i32 extended_format_id = 0; u32 num_formats = 0; BOOL result = wglChoosePixelFormatARB(dc, choosePixel_attribList, 0, 1, &extended_format_id, &num_formats); if (result != 0 && num_formats > 0){ const int createContext_attribList[] = { WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 2, WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, 0 }; if (extended_format_id == format_id){ HGLRC extended_context = wglCreateContextAttribsARB(dc, 0, createContext_attribList); if (extended_context){ wglMakeCurrent(dc, extended_context); wglDeleteContext(glcontext); glcontext = extended_context; } } } } ReleaseDC(win32vars.window_handle, dc); #if (defined(BUILD_X64) && 1) || (defined(BUILD_X86) && 0) #if defined(FRED_INTERNAL) // NOTE(casey): This slows down GL but puts error messages to // the debug console immediately whenever you do something wrong glDebugMessageCallback_type *glDebugMessageCallback = (glDebugMessageCallback_type *)win32_load_gl_always("glDebugMessageCallback", module); glDebugMessageControl_type *glDebugMessageControl = (glDebugMessageControl_type *)win32_load_gl_always("glDebugMessageControl", module); if(glDebugMessageCallback != 0 && glDebugMessageControl != 0) { glDebugMessageCallback(OpenGLDebugCallback, 0); glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE); glEnable(GL_DEBUG_OUTPUT); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); } #endif #endif glEnable(GL_TEXTURE_2D); glEnable(GL_SCISSOR_TEST); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); } internal void Win32SetCursorFromUpdate(Application_Mouse_Cursor cursor){ switch (cursor){ case APP_MOUSE_CURSOR_ARROW: SetCursor(win32vars.cursor_arrow); break; case APP_MOUSE_CURSOR_IBEAM: SetCursor(win32vars.cursor_ibeam); break; case APP_MOUSE_CURSOR_LEFTRIGHT: SetCursor(win32vars.cursor_leftright); break; case APP_MOUSE_CURSOR_UPDOWN: SetCursor(win32vars.cursor_updown); break; } } internal u64 Win32HighResolutionTime(){ u64 result = 0; LARGE_INTEGER t; if (QueryPerformanceCounter(&t)){ result = (u64) (t.QuadPart / win32vars.count_per_usecond); } return(result); } internal LRESULT Win32Callback(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam){ LRESULT result = 0; switch (uMsg){ case WM_MENUCHAR:break; case WM_SYSKEYDOWN: case WM_SYSKEYUP: case WM_KEYDOWN: case WM_KEYUP: { switch (wParam){ case VK_CONTROL:case VK_LCONTROL:case VK_RCONTROL: case VK_MENU:case VK_LMENU:case VK_RMENU: case VK_SHIFT:case VK_LSHIFT:case VK_RSHIFT: { Control_Keys *controls = &win32vars.input_chunk.pers.controls; b8 *control_keys = win32vars.input_chunk.pers.control_keys; b8 down = ((lParam & Bit_31)?(0):(1)); b8 is_right = ((lParam & Bit_24)?(1):(0)); if (wParam != 255){ switch (wParam){ case VK_SHIFT: { control_keys[MDFR_SHIFT_INDEX] = down; }break; case VK_CONTROL: { if (is_right) controls->r_ctrl = down; else controls->l_ctrl = down; }break; case VK_MENU: { if (is_right) controls->r_alt = down; else controls->l_alt = down; }break; } b8 ctrl = (controls->r_ctrl || (controls->l_ctrl && !controls->r_alt)); b8 alt = (controls->l_alt || (controls->r_alt && !controls->l_ctrl)); if (win32vars.lctrl_lalt_is_altgr){ if (controls->l_alt && controls->l_ctrl){ ctrl = 0; alt = 0; } } control_keys[MDFR_CONTROL_INDEX] = ctrl; control_keys[MDFR_ALT_INDEX] = alt; } }break; default: { b8 current_state = ((lParam & Bit_31)?(0):(1)); if (current_state){ Key_Code key = keycode_lookup_table[(u8)wParam]; if (key != 0){ i32 *count = &win32vars.input_chunk.trans.key_data.count; Key_Event_Data *data = win32vars.input_chunk.trans.key_data.keys; b8 *control_keys = win32vars.input_chunk.pers.control_keys; i32 control_keys_size = sizeof(win32vars.input_chunk.pers.control_keys); Assert(*count < KEY_INPUT_BUFFER_SIZE); data[*count].character = 0; data[*count].character_no_caps_lock = 0; data[*count].keycode = key; memcpy(data[*count].modifiers, control_keys, control_keys_size); ++(*count); win32vars.got_useful_event = true; } } }break; }/* switch */ }break; case WM_CHAR: case WM_SYSCHAR: case WM_UNICHAR: { u16 character = (u16)wParam; if (character == '\r'){ character = '\n'; } else if (character == '\t'){ character = '\t'; } else if (character < 32 || character == 127){ break; } u16 character_no_caps_lock = character; i32 *count = &win32vars.input_chunk.trans.key_data.count; Key_Event_Data *data = win32vars.input_chunk.trans.key_data.keys; b8 *control_keys = win32vars.input_chunk.pers.control_keys; i32 control_keys_size = sizeof(win32vars.input_chunk.pers.control_keys); BYTE state[256]; GetKeyboardState(state); if (state[VK_CAPITAL]){ if (character_no_caps_lock >= 'a' && character_no_caps_lock <= 'z'){ character_no_caps_lock -= (u8)('a' - 'A'); } else if (character_no_caps_lock >= 'A' && character_no_caps_lock <= 'Z'){ character_no_caps_lock += (u8)('a' - 'A'); } } Assert(*count < KEY_INPUT_BUFFER_SIZE); data[*count].character = character; data[*count].character_no_caps_lock = character_no_caps_lock; data[*count].keycode = character_no_caps_lock; memcpy(data[*count].modifiers, control_keys, control_keys_size); ++(*count); win32vars.got_useful_event = true; }break; case WM_MOUSEMOVE: { i32 new_x = LOWORD(lParam); i32 new_y = HIWORD(lParam); if (new_x != win32vars.input_chunk.pers.mouse_x || new_y != win32vars.input_chunk.pers.mouse_y){ win32vars.input_chunk.pers.mouse_x = new_x; win32vars.input_chunk.pers.mouse_y = new_y; win32vars.got_useful_event = true; } }break; case WM_MOUSEWHEEL: { win32vars.got_useful_event = true; i32 rotation = GET_WHEEL_DELTA_WPARAM(wParam); if (rotation > 0){ win32vars.input_chunk.trans.mouse_wheel = 1; } else{ win32vars.input_chunk.trans.mouse_wheel = -1; } }break; case WM_LBUTTONDOWN: { win32vars.got_useful_event = true; win32vars.input_chunk.trans.mouse_l_press = 1; win32vars.input_chunk.pers.mouse_l = 1; }break; case WM_RBUTTONDOWN: { win32vars.got_useful_event = true; win32vars.input_chunk.trans.mouse_r_press = 1; win32vars.input_chunk.pers.mouse_r = 1; }break; case WM_LBUTTONUP: { win32vars.got_useful_event = true; win32vars.input_chunk.trans.mouse_l_release = 1; win32vars.input_chunk.pers.mouse_l = 0; }break; case WM_RBUTTONUP: { win32vars.got_useful_event = true; win32vars.input_chunk.trans.mouse_r_release = 1; win32vars.input_chunk.pers.mouse_r = 0; }break; case WM_KILLFOCUS: case WM_SETFOCUS: { win32vars.got_useful_event = true; win32vars.input_chunk.pers.mouse_l = 0; win32vars.input_chunk.pers.mouse_r = 0; for (i32 i = 0; i < MDFR_INDEX_COUNT; ++i){ win32vars.input_chunk.pers.control_keys[i] = 0; } win32vars.input_chunk.pers.controls = null_control_keys; }break; case WM_SIZE: { win32vars.got_useful_event = true; i32 new_width = LOWORD(lParam); i32 new_height = HIWORD(lParam); Win32Resize(new_width, new_height); }break; case WM_DISPLAYCHANGE: { win32vars.got_useful_event = true; LONG_PTR style = GetWindowLongPtr(hwnd, GWL_STYLE); if (!(style & WS_OVERLAPPEDWINDOW)){ MONITORINFO monitor_info = {sizeof(MONITORINFO)}; if(GetMonitorInfo(MonitorFromWindow(hwnd, MONITOR_DEFAULTTOPRIMARY), &monitor_info)) { SetWindowPos(hwnd, HWND_TOP, monitor_info.rcMonitor.left, monitor_info.rcMonitor.top, monitor_info.rcMonitor.right - monitor_info.rcMonitor.left, monitor_info.rcMonitor.bottom - monitor_info.rcMonitor.top, SWP_NOOWNERZORDER | SWP_FRAMECHANGED); } } }break; case WM_PAINT: { win32vars.got_useful_event = true; PAINTSTRUCT ps; HDC hdc = BeginPaint(hwnd, &ps); Win32RedrawScreen(hdc); EndPaint(hwnd, &ps); }break; case WM_CLOSE: case WM_DESTROY: { win32vars.got_useful_event = true; win32vars.input_chunk.trans.trying_to_kill = 1; }break; case WM_4coder_ANIMATE: { win32vars.got_useful_event = true; }break; case WM_CANCELMODE: { result = DefWindowProc(hwnd, uMsg, wParam, lParam); }break; default: { result = DefWindowProc(hwnd, uMsg, wParam, lParam); }break; } return(result); } #include "4ed_link_system_functions.cpp" #include "4ed_shared_init_logic.cpp" int CALL_CONVENTION WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){ i32 argc = __argc; char **argv = __argv; // // System Linkage // link_system_code(); // // Memory init // memset(&win32vars, 0, sizeof(win32vars)); memset(&target, 0, sizeof(target)); memset(&memory_vars, 0, sizeof(memory_vars)); memset(&plat_settings, 0, sizeof(plat_settings)); memset(&libraries, 0, sizeof(libraries)); memset(&app, 0, sizeof(app)); memset(&custom_api, 0, sizeof(custom_api)); memory_init(); // // HACK(allen): // Previously zipped stuff is here, it should be zipped in the new pattern now. // init_shared_vars(); // // Dynamic Linkage // load_app_code(); link_rendering(); #if defined(FRED_SUPER) load_custom_code(); #else custom_api.get_bindings = get_bindings; #endif // // Read Command Line // read_command_line(argc, argv); // // Threads // work_system_init(); // // Coroutines // coroutines_init(); // // Window and GL Initialization // WNDCLASS window_class = {0}; window_class.style = CS_HREDRAW|CS_VREDRAW; window_class.lpfnWndProc = (WNDPROC)(Win32Callback); window_class.hInstance = hInstance; window_class.lpszClassName = L"4coder-win32-wndclass"; window_class.hIcon = LoadIcon(hInstance, L"main"); if (!RegisterClass(&window_class)){ exit(1); } RECT window_rect = {0}; if (plat_settings.set_window_size){ window_rect.right = plat_settings.window_w; window_rect.bottom = plat_settings.window_h; } else{ window_rect.right = 800; window_rect.bottom = 600; } if (!AdjustWindowRect(&window_rect, WS_OVERLAPPEDWINDOW, false)){ LOG("Could not get adjusted window.\n"); } i32 window_x = CW_USEDEFAULT; i32 window_y = CW_USEDEFAULT; if (plat_settings.set_window_pos){ window_x = plat_settings.window_x; window_y = plat_settings.window_y; LOGF("Setting window position (%d, %d)\n", window_x, window_y); } LOG("Creating window... "); i32 window_style = WS_CAPTION|WS_MINIMIZEBOX|WS_BORDER; if (!plat_settings.fullscreen_window && plat_settings.maximize_window){ window_style |= WS_MAXIMIZE; } win32vars.window_handle = CreateWindowEx(0, window_class.lpszClassName, WINDOW_NAME, window_style, window_x, window_y, window_rect.right - window_rect.left, window_rect.bottom - window_rect.top, 0, 0, hInstance, 0); if (win32vars.window_handle == 0){ LOG("Failed\n"); exit(1); } else{ LOG("Success\n"); } { HDC hdc = GetDC(win32vars.window_handle); // TODO(allen): not Windows XP compatible, how do I handle that? SetProcessDPIAware(); win32vars.dpi_x = GetDeviceCaps(hdc, LOGPIXELSX); win32vars.dpi_y = GetDeviceCaps(hdc, LOGPIXELSY); GetClientRect(win32vars.window_handle, &window_rect); ReleaseDC(win32vars.window_handle, hdc); } Win32InitGL(); Win32Resize(window_rect.right - window_rect.left, window_rect.bottom - window_rect.top); // // Font System Init // LOG("Initializing fonts\n"); system_font_init(&sysfunc.font, 0, 0, plat_settings.font_size, plat_settings.use_hinting); // // Misc System Initializations // LOG("Initializing clipboard\n"); win32vars.clip_max = KB(16); win32vars.clip_buffer = (u8*)system_memory_allocate(win32vars.clip_max); win32vars.clipboard_sequence = GetClipboardSequenceNumber(); if (win32vars.clipboard_sequence == 0){ system_post_clipboard(make_lit_string("")); win32vars.clipboard_sequence = GetClipboardSequenceNumber(); win32vars.next_clipboard_is_self = 0; if (win32vars.clipboard_sequence == 0){ OutputDebugStringA("Failure while initializing clipboard\n"); } } else{ win32_read_clipboard_contents(); } Win32KeycodeInit(); win32vars.cursor_ibeam = LoadCursor(NULL, IDC_IBEAM); win32vars.cursor_arrow = LoadCursor(NULL, IDC_ARROW); win32vars.cursor_leftright = LoadCursor(NULL, IDC_SIZEWE); win32vars.cursor_updown = LoadCursor(NULL, IDC_SIZENS); LARGE_INTEGER f; if (QueryPerformanceFrequency(&f)){ win32vars.count_per_usecond = (f32)f.QuadPart / 1000000.f; LOGF("Got performance frequency %f\n", win32vars.count_per_usecond); } else{ // NOTE(allen): Just guess. win32vars.count_per_usecond = 1.f; LOG("Did not get performance frequency, just guessing with 1.\n"); } Assert(win32vars.count_per_usecond > 0.f); // // App init // char cwd[4096]; u32 size = sysfunc.get_current_path(cwd, sizeof(cwd)); if (size == 0 || size >= sizeof(cwd)){ system_error_box("Could not get current directory at launch."); } String curdir = make_string(cwd, size); terminate_with_null(&curdir); replace_char(&curdir, '\\', '/'); LOG("Initializing application variables\n"); app.init(&sysfunc, &target, &memory_vars, win32vars.clipboard_contents, curdir, custom_api); // // Main loop // b32 keep_running = true; win32vars.first = true; timeBeginPeriod(1); if (plat_settings.fullscreen_window){ win32_toggle_fullscreen(); } SetForegroundWindow(win32vars.window_handle); SetActiveWindow(win32vars.window_handle); ShowWindow(win32vars.window_handle, SW_SHOW); LOG("Beginning main loop\n"); u64 timer_start = Win32HighResolutionTime(); system_acquire_lock(FRAME_LOCK); MSG msg; for (;keep_running;){ // TODO(allen): Find a good way to wait on a pipe // without interfering with the reading process // Looks like we can ReadFile with a size of zero // in an IOCP for this effect. if (!win32vars.first){ system_release_lock(FRAME_LOCK); if (win32vars.running_cli == 0){ win32vars.got_useful_event = false; } b32 get_more_messages = true; do{ if (win32vars.got_useful_event == 0){ get_more_messages = GetMessage(&msg, 0, 0, 0); } else{ get_more_messages = PeekMessage(&msg, 0, 0, 0, 1); } if (get_more_messages){ if (msg.message == WM_QUIT){ keep_running = false; }else{ b32 treat_normally = true; if (msg.message == WM_KEYDOWN || msg.message == WM_SYSKEYDOWN){ switch (msg.wParam){ case VK_CONTROL:case VK_LCONTROL:case VK_RCONTROL: case VK_MENU:case VK_LMENU:case VK_RMENU: case VK_SHIFT:case VK_LSHIFT:case VK_RSHIFT:break; default: treat_normally = false; break; } } if (treat_normally){ TranslateMessage(&msg); DispatchMessage(&msg); } else{ Control_Keys *controls = &win32vars.input_chunk.pers.controls; b8 ctrl = (controls->r_ctrl || (controls->l_ctrl && !controls->r_alt)); b8 alt = (controls->l_alt || (controls->r_alt && !controls->l_ctrl)); if (win32vars.lctrl_lalt_is_altgr){ if (controls->l_alt && controls->l_ctrl){ ctrl = 0; alt = 0; } } BYTE ctrl_state = 0, alt_state = 0; BYTE state[256]; if (ctrl || alt){ GetKeyboardState(state); if (ctrl){ ctrl_state = state[VK_CONTROL]; state[VK_CONTROL] = 0; } if (alt){ alt_state = state[VK_MENU]; state[VK_MENU] = 0; } SetKeyboardState(state); TranslateMessage(&msg); DispatchMessage(&msg); if (ctrl){ state[VK_CONTROL] = ctrl_state; } if (alt){ state[VK_MENU] = alt_state; } SetKeyboardState(state); } else{ TranslateMessage(&msg); DispatchMessage(&msg); } } } } }while (get_more_messages); system_acquire_lock(FRAME_LOCK); } POINT mouse_point; if (GetCursorPos(&mouse_point) && ScreenToClient(win32vars.window_handle, &mouse_point)){ i32_Rect screen; screen.x0 = 0; screen.y0 = 0; screen.x1 = target.width; screen.y1 = target.height; i32 mx = mouse_point.x; i32 my = mouse_point.y; b32 is_hit = false; if (mx >= screen.x0 && mx < screen.x1 && my >= screen.y0 && my < screen.y1){ is_hit = true; } if (!is_hit){ win32vars.input_chunk.trans.out_of_window = 1; } win32vars.input_chunk.pers.mouse_x = mouse_point.x; win32vars.input_chunk.pers.mouse_y = mouse_point.y; } else{ win32vars.input_chunk.trans.out_of_window = 1; } Win32_Input_Chunk input_chunk = win32vars.input_chunk; win32vars.input_chunk.trans = null_input_chunk_transient; input_chunk.pers.control_keys[MDFR_CAPS_INDEX] = GetKeyState(VK_CAPITAL) & 0x1; win32vars.clipboard_contents = null_string; if (win32vars.clipboard_sequence != 0){ DWORD new_number = GetClipboardSequenceNumber(); if (new_number != win32vars.clipboard_sequence){ win32vars.clipboard_sequence = new_number; if (win32vars.next_clipboard_is_self){ win32vars.next_clipboard_is_self = 0; } else{ win32_read_clipboard_contents(); } } } Application_Step_Input input = {0}; input.first_step = win32vars.first; // NOTE(allen): The expected dt given the frame limit in seconds. input.dt = frame_useconds / 1000000.f; input.keys = input_chunk.trans.key_data; input.mouse.out_of_window = input_chunk.trans.out_of_window; input.mouse.l = input_chunk.pers.mouse_l; input.mouse.press_l = input_chunk.trans.mouse_l_press; input.mouse.release_l = input_chunk.trans.mouse_l_release; input.mouse.r = input_chunk.pers.mouse_r; input.mouse.press_r = input_chunk.trans.mouse_r_press; input.mouse.release_r = input_chunk.trans.mouse_r_release; input.mouse.wheel = input_chunk.trans.mouse_wheel; input.mouse.x = input_chunk.pers.mouse_x; input.mouse.y = input_chunk.pers.mouse_y; input.clipboard = win32vars.clipboard_contents; Application_Step_Result result = {(Application_Mouse_Cursor)0}; result.mouse_cursor_type = APP_MOUSE_CURSOR_DEFAULT; result.lctrl_lalt_is_altgr = win32vars.lctrl_lalt_is_altgr; result.trying_to_kill = input_chunk.trans.trying_to_kill; result.perform_kill = 0; if (win32vars.send_exit_signal){ result.trying_to_kill = true; win32vars.send_exit_signal = false; } app.step(&sysfunc, &target, &memory_vars, &input, &result); if (result.perform_kill){ keep_running = false; } if (win32vars.do_toggle){ win32_toggle_fullscreen(); win32vars.do_toggle = false; } Win32SetCursorFromUpdate(result.mouse_cursor_type); win32vars.lctrl_lalt_is_altgr = result.lctrl_lalt_is_altgr; HDC hdc = GetDC(win32vars.window_handle); Win32RedrawScreen(hdc); ReleaseDC(win32vars.window_handle, hdc); win32vars.first = 0; if (result.animating){ system_schedule_step(); } flush_thread_group(BACKGROUND_THREADS); u64 timer_end = Win32HighResolutionTime(); u64 end_target = timer_start + frame_useconds; system_release_lock(FRAME_LOCK); while (timer_end < end_target){ DWORD samount = (DWORD)((end_target - timer_end) / 1000); if (samount > 0) Sleep(samount); timer_end = Win32HighResolutionTime(); } system_acquire_lock(FRAME_LOCK); timer_start = Win32HighResolutionTime(); } return(0); } #include "4ed_shared_fonts.cpp" #include "win32_4ed_file_track.cpp" #include "4ed_font_static_functions.cpp" #include "win32_utf8.cpp" #if 0 // NOTE(allen): In case I want to switch back to a console application at some point. int main(int argc, char **argv){ HINSTANCE hInstance = GetModuleHandle(0); } #endif // BOTTOM