370 lines
7.9 KiB
C
370 lines
7.9 KiB
C
/*************************************************************************
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**
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** OLE 2.0 Sample Code
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**
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** status.c
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**
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** This file contains the window handlers, and various initialization
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** and utility functions for an application status bar.
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**
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** (c) Copyright Microsoft Corp. 1992 - 1993 All Rights Reserved
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**
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*************************************************************************/
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// Application specific include files
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#include "outline.h"
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#include "message.h"
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#include "status.h"
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// Current status message.
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static LPSTR lpszStatusMessage = NULL;
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// Window proc for status window.
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LRESULT FAR PASCAL StatusWndProc
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(HWND hwnd, unsigned message, WPARAM wParam, LPARAM lParam);
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// List of all constant messages.
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static STATMESG ControlList[2] =
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{
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{ STATUS_READY, "Ready." },
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{ STATUS_BLANK, " " }
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};
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// List of all system menu messages.
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static STATMESG SysMenuList[16] =
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{
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{ SC_SIZE, "Change the size of the window." },
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{ SC_MOVE, "Move the window." },
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{ SC_MINIMIZE, "Make the window iconic." },
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{ SC_MAXIMIZE, "Make the window the size of the screen." },
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{ SC_NEXTWINDOW, "Activate the next window." },
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{ SC_PREVWINDOW, "Activate the previous window." },
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{ SC_CLOSE, "Close this window." },
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{ SC_VSCROLL, "Vertical scroll?" },
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{ SC_HSCROLL, "Horizontal scroll?" },
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{ SC_MOUSEMENU, "A menu for mice." },
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{ SC_KEYMENU, "A menu for keys (I guess)." },
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{ SC_ARRANGE, "Arrange something." },
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{ SC_RESTORE, "Make the window noramally sized." },
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{ SC_TASKLIST, "Put up the task list dialog." },
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{ SC_SCREENSAVE, "Save the screen! Run for your life!" },
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{ SC_HOTKEY, "Boy, is this key hot!" }
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};
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// Message type for popup messages.
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typedef struct {
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HMENU hmenu;
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char string[MAX_MESSAGE];
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} STATPOPUP;
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// List of all popup messages.
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static STATPOPUP PopupList[NUM_POPUP];
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static UINT nCurrentPopup = 0;
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/* RegisterStatusClass
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* -------------------
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*
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* Creates classes for status window.
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*
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* HINSTANCE hInstance
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*
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* RETURNS: TRUE if class successfully registered.
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* FALSE otherwise.
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*
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* CUSTOMIZATION: Change class name.
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*
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*/
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BOOL RegisterStatusClass(HINSTANCE hInstance)
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{
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WNDCLASS wc;
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wc.lpszClassName = "ObjStatus";
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wc.lpfnWndProc = StatusWndProc;
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wc.style = 0;
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wc.hInstance = hInstance;
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wc.hIcon = NULL;
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wc.cbClsExtra = 4;
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wc.cbWndExtra = 0;
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wc.lpszMenuName = NULL;
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wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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wc.hbrBackground = GetStockObject(LTGRAY_BRUSH);
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if (!RegisterClass(&wc))
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return FALSE;
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return TRUE;
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}
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/* CreateStatusWindow
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* ------------------
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*
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* Creates status window.
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*
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* HWND hwndMain
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*
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* RETURNS: HWND of status window if creation is successful.
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* NULL otherwise.
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*
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* CUSTOMIZATION: Change class name.
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*
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*/
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HWND CreateStatusWindow(HWND hWndApp, HINSTANCE hInst)
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{
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RECT rect;
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int width, height;
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HWND hWndStatusBar;
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lpszStatusMessage = ControlList[0].string;
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GetClientRect(hWndApp, &rect);
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width = rect.right - rect.left;
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height = rect.bottom - rect.top;
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hWndStatusBar = CreateWindow (
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"ObjStatus",
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"SvrStatus",
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WS_CHILD |
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WS_CLIPSIBLINGS |
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WS_VISIBLE,
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0, height - STATUS_HEIGHT,
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width,
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STATUS_HEIGHT,
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hWndApp,
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NULL,
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hInst,
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NULL
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);
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return hWndStatusBar;
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}
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/* DestroyStatusWindow
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* -------------------
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*
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* Destroys status window.
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*
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* CUSTOMIZATION: None.
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*
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*/
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void DestroyStatusWindow(HWND hWndStatusBar)
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{
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DestroyWindow(hWndStatusBar);
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}
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/* AssignPopupMessage
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* ------------------
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*
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* Associates a string with a popup menu handle.
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*
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* HMENU hmenuPopup
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* char *szMessage
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*
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* CUSTOMIZATION: None.
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*
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*/
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void AssignPopupMessage(HMENU hmenuPopup, char *szMessage)
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{
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if (nCurrentPopup < NUM_POPUP) {
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PopupList[nCurrentPopup].hmenu = hmenuPopup;
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lstrcpy(PopupList[nCurrentPopup].string, szMessage);
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++nCurrentPopup;
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}
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}
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/* SetStatusText
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* -------------
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*
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* Show the message in the status line.
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*/
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void SetStatusText(HWND hWndStatusBar, LPSTR lpszMessage)
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{
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lpszStatusMessage = lpszMessage;
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InvalidateRect (hWndStatusBar, (LPRECT)NULL, TRUE);
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UpdateWindow (hWndStatusBar);
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}
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/* GetItemMessage
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* --------------
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*
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* Retrieve the message associated with the given menu command item number.
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*
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* UINT wIDItem
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* LPVOID lpDoc
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*
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* CUSTOMIZATION: None.
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*
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*/
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void GetItemMessage(UINT wIDItem, LPSTR FAR* lplpszMessage)
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{
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UINT i;
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*lplpszMessage = ControlList[1].string;
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for (i = 0; i < NUM_STATS; ++i) {
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if (wIDItem == MesgList[i].wIDItem) {
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*lplpszMessage = MesgList[i].string;
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break;
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}
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}
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}
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/* GetPopupMessage
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* ---------------
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*
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* Retrieve the message associated with the given popup menu.
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*
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* HMENU hmenuPopup
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* LPVOID lpDoc
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*
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* CUSTOMIZATION: None.
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*
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*/
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void GetPopupMessage(HMENU hmenuPopup, LPSTR FAR* lplpszMessage)
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{
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UINT i;
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*lplpszMessage = ControlList[1].string;
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for (i = 0; i < nCurrentPopup; ++i) {
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if (hmenuPopup == PopupList[i].hmenu) {
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*lplpszMessage = PopupList[i].string;
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break;
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}
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}
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}
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/* GetSysMenuMessage
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* -----------------
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*
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* Retrieves the messages to correspond to items on the system menu.
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*
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*
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* UINT wIDItem
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* LPVOID lpDoc
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*
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* CUSTOMIZATION: None.
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*
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*/
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void GetSysMenuMessage(UINT wIDItem, LPSTR FAR* lplpszMessage)
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{
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UINT i;
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*lplpszMessage = ControlList[1].string;
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for (i = 0; i < 16; ++i) {
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if (wIDItem == SysMenuList[i].wIDItem) {
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*lplpszMessage = SysMenuList[i].string;
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break;
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}
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}
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}
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/* GetControlMessage
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* -----------------
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*
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* Retrieves the general system messages.
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*
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*
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* STATCONTROL scCommand
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* LPVOID lpDoc
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*
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* CUSTOMIZATION: Add new messages.
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*
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*/
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void GetControlMessage(STATCONTROL scCommand, LPSTR FAR* lplpszMessage)
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{
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UINT i;
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*lplpszMessage = ControlList[1].string;
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for (i = 0; i < 2; ++i) {
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if ((UINT)scCommand == ControlList[i].wIDItem) {
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*lplpszMessage = ControlList[i].string;
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break;
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}
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}
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}
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/* StatusWndProc
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* -------------
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*
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* Message handler for the statusbar window.
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*
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*
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* CUSTOMIZATION: None
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*
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*/
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LRESULT FAR PASCAL StatusWndProc
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(HWND hwnd, unsigned message, WPARAM wParam, LPARAM lParam)
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{
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if (message == WM_PAINT) {
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RECT rc;
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HDC hdc;
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PAINTSTRUCT paintstruct;
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HPEN hpenOld;
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HPEN hpen;
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HFONT hfontOld;
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HFONT hfont;
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HPALETTE hpalOld = NULL;
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POINT point;
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BeginPaint (hwnd, &paintstruct);
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hdc = GetDC (hwnd);
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GetClientRect (hwnd, (LPRECT) &rc);
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hpenOld = SelectObject (hdc, GetStockObject (BLACK_PEN));
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MoveToEx (hdc, 0, 0, &point);
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LineTo (hdc, rc.right, 0);
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SelectObject (hdc, GetStockObject (WHITE_PEN));
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MoveToEx (hdc, STATUS_RRIGHT, STATUS_RTOP, &point);
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LineTo (hdc, STATUS_RRIGHT, STATUS_RBOTTOM);
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LineTo (hdc, STATUS_RLEFT-1, STATUS_RBOTTOM);
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hpen = CreatePen (PS_SOLID, 1, /* DKGRAY */ 0x00808080);
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SelectObject (hdc, hpen);
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MoveToEx (hdc, STATUS_RLEFT, STATUS_RBOTTOM-1, &point);
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LineTo (hdc, STATUS_RLEFT, STATUS_RTOP);
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LineTo (hdc, STATUS_RRIGHT, STATUS_RTOP);
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SetBkMode (hdc, TRANSPARENT);
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SetTextAlign (hdc, TA_LEFT | TA_TOP);
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hfont = CreateFont (STATUS_THEIGHT, 0, 0, 0, FW_NORMAL, FALSE, FALSE,
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FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
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DEFAULT_PITCH | FF_DONTCARE, "MS Sans Serif");
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hfontOld = SelectObject(hdc, hfont);
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TextOut (hdc, STATUS_TLEFT, STATUS_TTOP,
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lpszStatusMessage,
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lstrlen(lpszStatusMessage));
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// Restore original objects
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SelectObject (hdc, hfontOld);
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SelectObject (hdc, hpenOld);
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DeleteObject (hpen);
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DeleteObject (hfont);
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ReleaseDC (hwnd, hdc);
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EndPaint (hwnd, &paintstruct);
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return 0;
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}
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else {
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return DefWindowProc(hwnd, message, wParam, lParam);
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}
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}
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