ovr_sdk

annotate LibOVR/Src/Util/Util_SystemGUI.cpp @ 0:1b39a1b46319

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initial 0.4.4
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 14 Jan 2015 06:51:16 +0200
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nuclear@0 1 /************************************************************************************
nuclear@0 2
nuclear@0 3 Filename : Util_SystemGUI.cpp
nuclear@0 4 Content : OS GUI access, usually for diagnostics.
nuclear@0 5 Created : October 20, 2014
nuclear@0 6 Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
nuclear@0 7
nuclear@0 8 Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
nuclear@0 9 you may not use the Oculus VR Rift SDK except in compliance with the License,
nuclear@0 10 which is provided at the time of installation or download, or which
nuclear@0 11 otherwise accompanies this software in either electronic or hard copy form.
nuclear@0 12
nuclear@0 13 You may obtain a copy of the License at
nuclear@0 14
nuclear@0 15 http://www.oculusvr.com/licenses/LICENSE-3.2
nuclear@0 16
nuclear@0 17 Unless required by applicable law or agreed to in writing, the Oculus VR SDK
nuclear@0 18 distributed under the License is distributed on an "AS IS" BASIS,
nuclear@0 19 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nuclear@0 20 See the License for the specific language governing permissions and
nuclear@0 21 limitations under the License.
nuclear@0 22
nuclear@0 23 *************************************************************************************/
nuclear@0 24
nuclear@0 25 #include "Util_SystemGUI.h"
nuclear@0 26 #include "../Kernel/OVR_UTF8Util.h"
nuclear@0 27 #include <stdio.h>
nuclear@0 28
nuclear@0 29 #if defined(OVR_OS_MS)
nuclear@0 30 #include <Windows.h>
nuclear@0 31 #endif
nuclear@0 32
nuclear@0 33
nuclear@0 34 namespace OVR { namespace Util {
nuclear@0 35
nuclear@0 36
nuclear@0 37 #if defined(OVR_OS_MS)
nuclear@0 38
nuclear@0 39 // On Windows we implement a manual dialog message box. The reason for this is that there's no way to
nuclear@0 40 // have a message box like this without either using MFC or WinForms or relying on Windows Vista+.
nuclear@0 41
nuclear@0 42 bool DisplayMessageBox(const char* pTitle, const char* pText)
nuclear@0 43 {
nuclear@0 44 #define ID_EDIT 100
nuclear@0 45
nuclear@0 46 struct Dialog
nuclear@0 47 {
nuclear@0 48 static size_t LineCount(const char* pText)
nuclear@0 49 {
nuclear@0 50 size_t count = 0;
nuclear@0 51 while(*pText)
nuclear@0 52 {
nuclear@0 53 if(*pText++ == '\n')
nuclear@0 54 count++;
nuclear@0 55 }
nuclear@0 56 return count;
nuclear@0 57 }
nuclear@0 58
nuclear@0 59 static WORD* WordUp(WORD* pIn){ return (WORD*)((((uintptr_t)pIn + 3) >> 2) << 2); }
nuclear@0 60
nuclear@0 61 static BOOL CALLBACK Proc(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
nuclear@0 62 {
nuclear@0 63 switch (iMsg)
nuclear@0 64 {
nuclear@0 65 case WM_INITDIALOG:
nuclear@0 66 {
nuclear@0 67 HWND hWndEdit = GetDlgItem(hDlg, ID_EDIT);
nuclear@0 68
nuclear@0 69 const char* pText = (const char*)lParam;
nuclear@0 70 SetWindowTextA(hWndEdit, pText);
nuclear@0 71
nuclear@0 72 HFONT hFont = CreateFontW(-11, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, L"Courier New");
nuclear@0 73 if(hFont)
nuclear@0 74 SendMessage(hWndEdit, WM_SETFONT, WPARAM(hFont), TRUE);
nuclear@0 75
nuclear@0 76 SendMessage(hWndEdit, EM_SETSEL, (WPARAM)0, (LPARAM)0);
nuclear@0 77
nuclear@0 78 return TRUE;
nuclear@0 79 }
nuclear@0 80
nuclear@0 81 case WM_COMMAND:
nuclear@0 82 switch (LOWORD(wParam))
nuclear@0 83 {
nuclear@0 84 case ID_EDIT:
nuclear@0 85 {
nuclear@0 86 // Handle messages from the edit control here.
nuclear@0 87 HWND hWndEdit = GetDlgItem(hDlg, ID_EDIT);
nuclear@0 88 SendMessage(hWndEdit, EM_SETSEL, (WPARAM)0, (LPARAM)0);
nuclear@0 89 return TRUE;
nuclear@0 90 }
nuclear@0 91
nuclear@0 92 case IDOK:
nuclear@0 93 EndDialog(hDlg, 0);
nuclear@0 94 return TRUE;
nuclear@0 95 }
nuclear@0 96 break;
nuclear@0 97 }
nuclear@0 98
nuclear@0 99 return FALSE;
nuclear@0 100 }
nuclear@0 101 };
nuclear@0 102
nuclear@0 103
nuclear@0 104 char dialogTemplateMemory[1024];
nuclear@0 105 memset(dialogTemplateMemory, 0, sizeof(dialogTemplateMemory));
nuclear@0 106 DLGTEMPLATE* pDlg = (LPDLGTEMPLATE)dialogTemplateMemory;
nuclear@0 107
nuclear@0 108 const size_t textLineCount = Dialog::LineCount(pText);
nuclear@0 109
nuclear@0 110 // Sizes are in Windows dialog units, which are relative to a character size. Depends on the font and environment settings. Often the pixel size will be ~3x the dialog unit x size. Often the pixel size will be ~3x the dialog unit y size.
nuclear@0 111 const int kGutterSize = 6; // Empty border space around controls within the dialog
nuclear@0 112 const int kButtonWidth = 24;
nuclear@0 113 const int kButtonHeight = 10;
nuclear@0 114 const int kDialogWidth = 600; // To do: Clip this against screen bounds.
nuclear@0 115 const int kDialogHeight = ((textLineCount > 100) ? 400 : ((textLineCount > 25) ? 300 : 200));
nuclear@0 116
nuclear@0 117 // Define a dialog box.
nuclear@0 118 pDlg->style = WS_POPUP | WS_BORDER | WS_SYSMENU | DS_MODALFRAME | WS_CAPTION;
nuclear@0 119 pDlg->cdit = 2; // Control count
nuclear@0 120 pDlg->x = 10; // X position To do: Center the dialog.
nuclear@0 121 pDlg->y = 10;
nuclear@0 122 pDlg->cx = (short)kDialogWidth;
nuclear@0 123 pDlg->cy = (short)kDialogHeight;
nuclear@0 124 WORD* pWord = (WORD*)(pDlg + 1);
nuclear@0 125 *pWord++ = 0; // No menu
nuclear@0 126 *pWord++ = 0; // Default dialog box class
nuclear@0 127
nuclear@0 128 WCHAR* pWchar = (WCHAR*)pWord;
nuclear@0 129 const size_t titleLength = strlen(pTitle);
nuclear@0 130 size_t wcharCount = OVR::UTF8Util::DecodeString(pWchar, pTitle, (titleLength > 128) ? 128 : titleLength);
nuclear@0 131 pWord += wcharCount + 1;
nuclear@0 132
nuclear@0 133 // Define an OK button.
nuclear@0 134 pWord = Dialog::WordUp(pWord);
nuclear@0 135
nuclear@0 136 DLGITEMTEMPLATE* pDlgItem = (DLGITEMTEMPLATE*)pWord;
nuclear@0 137 pDlgItem->x = pDlg->cx - (kGutterSize + kButtonWidth);
nuclear@0 138 pDlgItem->y = pDlg->cy - (kGutterSize + kButtonHeight);
nuclear@0 139 pDlgItem->cx = kButtonWidth;
nuclear@0 140 pDlgItem->cy = kButtonHeight;
nuclear@0 141 pDlgItem->id = IDOK;
nuclear@0 142 pDlgItem->style = WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON;
nuclear@0 143
nuclear@0 144 pWord = (WORD*)(pDlgItem + 1);
nuclear@0 145 *pWord++ = 0xFFFF;
nuclear@0 146 *pWord++ = 0x0080; // button class
nuclear@0 147
nuclear@0 148 pWchar = (WCHAR*)pWord;
nuclear@0 149 pWchar[0] = 'O'; pWchar[1] = 'K'; pWchar[2] = '\0'; // Not currently localized.
nuclear@0 150 pWord += 3; // OK\0
nuclear@0 151 *pWord++ = 0; // no creation data
nuclear@0 152
nuclear@0 153 // Define an EDIT contol.
nuclear@0 154 pWord = Dialog::WordUp(pWord);
nuclear@0 155
nuclear@0 156 pDlgItem = (DLGITEMTEMPLATE*)pWord;
nuclear@0 157 pDlgItem->x = kGutterSize;
nuclear@0 158 pDlgItem->y = kGutterSize;
nuclear@0 159 pDlgItem->cx = pDlg->cx - (kGutterSize + kGutterSize);
nuclear@0 160 pDlgItem->cy = pDlg->cy - (kGutterSize + kButtonHeight + kGutterSize + (kGutterSize / 2));
nuclear@0 161 pDlgItem->id = ID_EDIT;
nuclear@0 162 pDlgItem->style = ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL | ES_WANTRETURN | ES_READONLY | WS_VSCROLL | WS_BORDER | WS_TABSTOP | WS_CHILD | WS_VISIBLE;
nuclear@0 163
nuclear@0 164 pWord = (WORD*)(pDlgItem + 1);
nuclear@0 165 *pWord++ = 0xFFFF;
nuclear@0 166 *pWord++ = 0x0081; // edit class atom
nuclear@0 167 *pWord++ = 0; // no creation data
nuclear@0 168
nuclear@0 169 LRESULT ret = DialogBoxIndirectParam(NULL, (LPDLGTEMPLATE)pDlg, NULL, (DLGPROC)Dialog::Proc, (LPARAM)pText);
nuclear@0 170
nuclear@0 171 return (ret != 0);
nuclear@0 172 }
nuclear@0 173 #elif defined(OVR_OS_MAC)
nuclear@0 174 // For Apple we use the Objective C implementation in Util_GUI.mm
nuclear@0 175 #else
nuclear@0 176 // To do.
nuclear@0 177 bool DisplayMessageBox(const char* pTitle, const char* pText)
nuclear@0 178 {
nuclear@0 179 printf("\n\nMessageBox\n%s\n", pTitle);
nuclear@0 180 printf("%s\n\n", pText);
nuclear@0 181 return false;
nuclear@0 182 }
nuclear@0 183 #endif
nuclear@0 184
nuclear@0 185
nuclear@0 186 } } // namespace OVR::Util
nuclear@0 187
nuclear@0 188
nuclear@0 189
nuclear@0 190