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Annotation of pmsdk/samples/mdi/mdi.c, revision 1.1

1.1     ! root        1: /***************************************************************************\
        !             2: * mdi.c - MDI application
        !             3: *
        !             4: * Created by Microsoft Corporation, 1989
        !             5: \***************************************************************************/
        !             6: 
        !             7: #define INCL_WINSYS
        !             8: #define INCL_WINCOMMON
        !             9: #define INCL_WINMESSAGEMGR
        !            10: #define INCL_WINPOINTERS
        !            11: #define INCL_WININPUT
        !            12: #define INCL_WINMENUS
        !            13: #define INCL_WINFRAMEMGR
        !            14: #define INCL_WINWINDOWMGR
        !            15: #define INCL_WINRECTANGLES
        !            16: #define INCL_WINHEAP
        !            17: 
        !            18: #include <os2.h>
        !            19: #include "app.h"
        !            20: #include "appdata.h"
        !            21: #include "mdi.h"
        !            22: #include "mdidata.h"
        !            23: 
        !            24: 
        !            25: VOID MDIDesktopSize(HWND hwnd, MPARAM mp1, MPARAM mp2)
        !            26: {
        !            27:     HWND hwndDoc;
        !            28:     RECTL rclWindow;
        !            29:     POINTL ptlBorderSize;
        !            30:     HENUM henum;
        !            31:     SWP swp;
        !            32:     ULONG ulStyle;
        !            33: 
        !            34:     /*
        !            35:      * This code keeps maximized MDI windows maximized within the
        !            36:      * main client window and bottom-left aligns minimized windows.
        !            37:      */
        !            38:     WinQueryWindowRect(hwnd, (PRECTL)&rclWindow);
        !            39: 
        !            40:     WinSendMsg(hwndMDIFrame, WM_QUERYBORDERSIZE, (MPARAM)&ptlBorderSize,
        !            41:             0L);
        !            42:     WinInflateRect(NULL, (PRECTL)&rclWindow, (SHORT)ptlBorderSize.x,
        !            43:             (SHORT)ptlBorderSize.y);
        !            44:     rclWindow.yTop += cyTitlebar;
        !            45: 
        !            46:     swp.hwndInsertBehind = NULL;
        !            47: 
        !            48:     henum = WinBeginEnumWindows(hwnd);
        !            49:     while (hwndDoc = WinGetNextWindow(henum)) {
        !            50:         WinLockWindow(hwndDoc, FALSE);
        !            51:         ulStyle = WinQueryWindowULong(hwndDoc, QWL_STYLE);
        !            52:         if (ulStyle & WS_MAXIMIZED) {
        !            53:             swp.hwnd = hwndDoc;
        !            54:             swp.x = (SHORT)rclWindow.xLeft;
        !            55:             swp.y = (SHORT)rclWindow.yBottom;
        !            56:             swp.cx = (SHORT)rclWindow.xRight - (SHORT)rclWindow.xLeft;
        !            57:             swp.cy = (SHORT)rclWindow.yTop - (SHORT)rclWindow.yBottom;
        !            58:             swp.fs = SWP_MOVE | SWP_SIZE;
        !            59:             WinSetMultWindowPos(NULL, (PSWP)&swp, 1);
        !            60:         } else if (ulStyle & WS_MINIMIZED) {
        !            61:             WinQueryWindowPos(hwndDoc, &swp);
        !            62:             swp.y -= (SHORT2FROMMP(mp2) - SHORT2FROMMP(mp1));
        !            63:             swp.fs = SWP_MOVE;
        !            64:             WinSetMultWindowPos(NULL, (PSWP)&swp, 1);
        !            65:         }
        !            66:     }
        !            67:     WinEndEnumWindows(henum);
        !            68: 
        !            69:     /*
        !            70:      * Adjust yNextNewDoc to keep it top-left aligned.
        !            71:      */
        !            72:     yNextNewDoc += (SHORT2FROMMP(mp2) - SHORT2FROMMP(mp1));
        !            73: }
        !            74: 
        !            75: 
        !            76: VOID MDIDesktopSetFocus(HWND hwnd, MPARAM mp2)
        !            77: {
        !            78:     HWND hwndTopDoc;
        !            79: 
        !            80:     /*
        !            81:      * If we're getting the focus and there is a document window,
        !            82:      * set the focus to the top-most document window so the main
        !            83:      * client window never has the focus.
        !            84:      */
        !            85:     if ((SHORT1FROMMP(mp2) != FALSE) &&
        !            86:             (hwndTopDoc = WinQueryWindow(hwnd, QW_TOP, FALSE))) {
        !            87:         WinSetFocus(HWND_DESKTOP, hwndTopDoc);
        !            88:     }
        !            89: }
        !            90: 
        !            91: 
        !            92: VOID MDIDesktopActivateDoc(SHORT idMenuitem)
        !            93: {
        !            94:     register NPDOC npdoc;
        !            95: 
        !            96:     npdoc = npdocFirst;
        !            97:     while (npdoc != NULL) {
        !            98:         if (npdoc->idMI == idMenuitem) {
        !            99:             WinSetFocus(HWND_DESKTOP, npdoc->hwndFrame);
        !           100: 
        !           101:             /*
        !           102:              * If the document is minimized then
        !           103:              * restore it as well.
        !           104:              */
        !           105:             if (WinQueryWindowULong(npdoc->hwndFrame, QWL_STYLE) &
        !           106:                     WS_MINIMIZED) {
        !           107:                 WinSetWindowPos(npdoc->hwndFrame, NULL,
        !           108:                         0, 0, 0, 0, SWP_RESTORE);
        !           109:             }
        !           110:             break;
        !           111:         }
        !           112:         npdoc = npdoc->npdocNext;
        !           113:     }
        !           114: }
        !           115: 
        !           116: 
        !           117: MRESULT CALLBACK MainFrameWndProc(HWND hwnd, USHORT msg, MPARAM mp1,
        !           118:         MPARAM mp2)
        !           119: {
        !           120:     switch (msg) {
        !           121: 
        !           122:     case WM_NEXTMENU:
        !           123:         /*
        !           124:          * Connect child sysmenu with application menus
        !           125:          */
        !           126:         if (fAabSysMenu == TRUE) {
        !           127:             /* child sysmenu is already in app menu */
        !           128:             break;
        !           129:         }
        !           130: 
        !           131: #define hwndCurrent HWNDFROMMP(mp1)
        !           132: 
        !           133:         if (((hwndCurrent == hwndSysMenu) && !SHORT1FROMMP(mp2)) ||
        !           134:                 ((hwndCurrent == hwndAppMenu) && SHORT1FROMMP(mp2))) {
        !           135:             if (hwndActiveDoc)
        !           136:                 return (WinWindowFromID(hwndActiveDoc, FID_SYSMENU));
        !           137:         }
        !           138: 
        !           139: #undef hwndCurrent
        !           140: 
        !           141:         break;
        !           142:     }
        !           143:     return (*pfnMainFrameWndProc)(hwnd, msg, mp1, mp2);
        !           144: }
        !           145: 

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