/* *@@sourcefile mmvolume.c: * implementation for the XMMVolume control. * * Note: Those G_mmio* and G_mci* identifiers are global * variables containing MMPM/2 API entries. Those are * resolved by xmmInit (mmthread.c) and must only be used * after checking xmmQueryStatus. * *@@added V0.9.6 (2000-11-09) [umoeller] *@@header "media\media.h" */ /* * Copyright (C) 2000-2003 Ulrich M”ller. * * This file is part of the XWorkplace source package. * XWorkplace is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation, in version 2 as it comes in the * "COPYING" file of the XWorkplace main distribution. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #pragma strings(readonly) /* * Suggested #include order: * 1) os2.h * 2) C library headers * 3) setup.h (code generation and debugging options) * 4) headers in helpers\ * 5) at least one SOM implementation header (*.ih) * 6) dlgids.h, headers in shared\ (as needed) * 7) headers in filesys\ (as needed) * 8) #pragma hdrstop and then more SOM headers which crash with precompiled headers */ #define INCL_DOSEXCEPTIONS #define INCL_DOSPROCESS #define INCL_WINWINDOWMGR #define INCL_WINFRAMEMGR #define INCL_WINCIRCULARSLIDER #define INCL_GPI // required for INCL_MMIO_CODEC #define INCL_GPIBITMAPS // required for INCL_MMIO_CODEC #include // multimedia includes #define INCL_MCIOS2 #define INCL_MMIOOS2 #define INCL_MMIO_CODEC #include // C library headers #include // needed for except.h #include // needed for except.h #include // needed for except.h #include // access etc. // generic headers #include "setup.h" // code generation and debugging options // headers in /helpers #include "helpers\except.h" // exception handling #include "helpers\winh.h" // PM helper routines // SOM headers which don't crash with prec. header files #include "xmmvolume.ih" // XWorkplace implementation headers #include "dlgids.h" // all the IDs that are shared with NLS #include "shared\common.h" // the majestic XWorkplace include file #include "media\media.h" // XWorkplace multimedia support /* ****************************************************************** * * Private definitions * ********************************************************************/ /* *@@ VOLUMEWINDATA: * */ typedef struct _VOLUMEWINDATA { XMMVolume *somSelf; PFNWP pfnwpFrameOriginal; USEITEM UseItem; // use item; immediately followed by view item VIEWITEM ViewItem; // view item BOOL fViewReady; // FALSE while we're creating // to prevent stupid slider WM_CONTROL } VOLUMEWINDATA, *PVOLUMEWINDATA; MRESULT EXPENTRY fnwpSubclVolumeFrame(HWND hwndFrame, ULONG msg, MPARAM mp1, MPARAM mp2); /* ****************************************************************** * * Global variables * ********************************************************************/ /* ****************************************************************** * * Volume Control Windows * ********************************************************************/ /* *@@ xmmCreateVolumeView: * this gets called from XMMVolume::wpOpen to * create a new "volume" view. The parameters * are just passed on from wpOpen. * * The volume window is a regular standard PM * frame with a circular slider inside. * *@@changed V0.9.12 (2001-05-27) [umoeller]: this is actually working now */ HWND xmmCreateVolumeView(WPObject *somSelf, HWND hwndCnr, ULONG ulView) { HWND hwndFrame = 0; TRY_LOUD(excpt1) { // HAB hab = WinQueryAnchorBlock(HWND_DESKTOP); HWND hwndClient = NULLHANDLE; ULONG flCreate; // Window creation flags SWP swpFrame; // create the frame window flCreate = FCF_SYSMENU | FCF_SIZEBORDER | FCF_TITLEBAR // | FCF_MINMAX // | FCF_TASKLIST | FCF_NOBYTEALIGN | cmnQueryFCF(somSelf); // V1.0.1 (2002-12-08) [umoeller] swpFrame.x = 100; swpFrame.y = 100; swpFrame.cx = 500; swpFrame.cy = 500; swpFrame.hwndInsertBehind = HWND_TOP; swpFrame.fl = SWP_MOVE | SWP_SIZE; hwndFrame = winhCreateStdWindow(HWND_DESKTOP, // frame parent &swpFrame, flCreate, WS_ANIMATE, _wpQueryTitle(somSelf), // title bar 0, // res IDs WC_CIRCULARSLIDER, // client class: circular slider WS_VISIBLE // slider wnd style: | CSS_CIRCULARVALUE // draw knob instead of triangle | CSS_NOTEXT // no title text under dial // | CSS_POINTSELECT // click-to-value , 1000, // ID NULL, &hwndClient); if ((hwndFrame) && (hwndClient)) { // frame and client successfully created: // allocate window data (use item and such) PVOLUMEWINDATA pWinData = (PVOLUMEWINDATA)_wpAllocMem(somSelf, sizeof(VOLUMEWINDATA), 0); if (pWinData) { ULONG ul; memset(pWinData, 0, sizeof(*pWinData)); pWinData->somSelf = somSelf; WinSetWindowPtr(hwndFrame, QWL_USER, pWinData); // set up slider range (0-100) WinSendMsg(hwndClient, CSM_SETRANGE, (MPARAM)0, (MPARAM)100); // and increment (10) WinSendMsg(hwndClient, CSM_SETINCREMENT, (MPARAM)1, // scoll increment (MPARAM)10); // tick marks increment // set slider value to current master volume if (!LOUSHORT(xmmQueryMasterVolume(&ul))) WinSendMsg(hwndClient, CSM_SETVALUE, (MPARAM)ul, 0); else ul = -1; // add the use list item to the object's use list cmnRegisterView(somSelf, &pWinData->UseItem, ulView, hwndFrame, cmnGetString(ID_XSSI_VOLUMEVIEW)); // subclass frame again; WPS has subclassed it // with cmnRegisterView pWinData->pfnwpFrameOriginal = WinSubclassWindow(hwndFrame, fnwpSubclVolumeFrame); if (pWinData->pfnwpFrameOriginal) { // now position the frame and the client: // 1) frame if (!winhRestoreWindowPos(hwndFrame, HINI_USER, INIAPP_XWORKPLACE, INIKEY_WNDPOSXMMVOLUME, SWP_MOVE | SWP_SIZE | SWP_ACTIVATE)) // INI data not found: WinSetWindowPos(hwndFrame, HWND_TOP, 100, 100, 500, 500, SWP_MOVE | SWP_SIZE | SWP_ACTIVATE); // finally, show window WinShowWindow(hwndFrame, TRUE); pWinData->fViewReady = TRUE; if (ul == -1) { // error occurred: cmnMessageBoxExt(hwndFrame, 104, // xwp: error NULL, 0, 218, // master not working, closing MB_CANCEL); WinPostMsg(hwndFrame, WM_SYSCOMMAND, (MPARAM)SC_CLOSE, MPFROM2SHORT(CMDSRC_OTHER, FALSE)); } } } } } CATCH(excpt1) { hwndFrame = NULLHANDLE; } END_CATCH(); return hwndFrame; } /* *@@ fnwpSubclVolumeFrame: * window proc the "volume" frame is subclassed with. */ MRESULT EXPENTRY fnwpSubclVolumeFrame(HWND hwndFrame, ULONG msg, MPARAM mp1, MPARAM mp2) { PVOLUMEWINDATA pWinData = (PVOLUMEWINDATA)WinQueryWindowPtr(hwndFrame, QWL_USER); MRESULT mrc = 0; switch (msg) { /* * WM_SYSCOMMAND: * */ case WM_SYSCOMMAND: switch ((ULONG)mp1) { case SC_CLOSE: { // on SC_CLOSE, frames post WM_CLOSE to the client, which // is not understood by the slider here... HWND hwndSlider = WinWindowFromID(hwndFrame, FID_CLIENT); // save window position winhSaveWindowPos(hwndFrame, HINI_USER, INIAPP_XWORKPLACE, INIKEY_WNDPOSXMMVOLUME); winhDestroyWindow(&hwndSlider); winhDestroyWindow(&hwndFrame); } break; default: mrc = pWinData->pfnwpFrameOriginal(hwndFrame, msg, mp1, mp2); } break; /* * WM_CONTROL: * */ case WM_CONTROL: switch (SHORT1FROMMP(mp1)) // id { case FID_CLIENT: // circular slider? switch (SHORT2FROMMP(mp1)) // usNotifyCode { case CSN_CHANGED: case CSN_TRACKING: // mp2 has new value with both xmmSetMasterVolume((ULONG)mp2); break; } break; } break; /* * WM_DESTROY: * */ case WM_DESTROY: // remove this window from the object's use list _wpDeleteFromObjUseList(pWinData->somSelf, &pWinData->UseItem); _wpFreeMem(pWinData->somSelf, (PBYTE)pWinData); WinSetWindowPtr(hwndFrame, QWL_USER, 0); mrc = pWinData->pfnwpFrameOriginal(hwndFrame, msg, mp1, mp2); break; default: mrc = pWinData->pfnwpFrameOriginal(hwndFrame, msg, mp1, mp2); } return mrc; }