/************************************************************************/ /* Module : callback.c */ /* Purpose: widget callback module for Mpsql */ /* By : Keith R. Davis */ /* Date : 12/8/95 */ /* Notes : Copyright(c) 1996 White River Software */ /************************************************************************/ #include /* motif lib header */ #include /* push button widget header */ #include /* row/col widget header */ #include /* label widget header */ #include /* list widget header */ #include /* text widget header */ #include /* message box header */ #include /* file selection widget header */ #include /* string lib header */ #include /* stdio header */ #include "pixmap.h" /* pixmap header */ #include "mquel.h" /* mquel header */ #include "menu.h" /* menu header */ #include "callback.h" /* callback header */ #include "llist.h" /* linked list header */ #include "db.h" /* db header */ #include "util.h" /* utility func. header */ /************************************************************************/ /* Function: DeleteWindowCallback */ /* Purpose : handles processing for WM_DELETE_WINDOW message */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void DeleteWindowCallback(Widget w, XtPointer clientdata, XtPointer callData) { /* close database & remove linked list */ DB_Close(); LLIST_Remove(); exit(0); } /************************************************************************/ /* Function: ConnectCallback */ /* Purpose : handles database connection request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ConnectCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Connect"; /* dialog title string */ Widget rc; /* rowcol widget for dialog */ static Widget connect_dialog = NULL; /* dialog widget */ if(!connect_dialog){ connect_dialog = XmCreateMessageDialog(AppWidgetsPtr->mainwindow, "connectdialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(connect_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(connect_dialog, XmDIALOG_SYMBOL_LABEL)); XtUnmanageChild(XmMessageBoxGetChild(connect_dialog, XmDIALOG_MESSAGE_LABEL)); /* setup dialog */ XtVaSetValues(connect_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); rc = XtVaCreateManagedWidget("rc", xmRowColumnWidgetClass, connect_dialog, XmNnumColumns, 2, XmNpacking, XmPACK_COLUMN, XmNorientation, XmVERTICAL, NULL); XtCreateManagedWidget("Database name:", xmLabelWidgetClass, rc, NULL, 0); XtCreateManagedWidget("Host name:", xmLabelWidgetClass, rc, NULL, 0); XtCreateManagedWidget("Port:", xmLabelWidgetClass, rc, NULL, 0); AppWidgetsPtr->database = XtVaCreateManagedWidget("database", xmTextFieldWidgetClass, rc, XmNmaxLength, DB_NAME_SZ, NULL); AppWidgetsPtr->host = XtVaCreateManagedWidget("host", xmTextFieldWidgetClass, rc, XmNmaxLength, HOST_NAME_SZ, NULL); AppWidgetsPtr->port = XtVaCreateManagedWidget("port", xmTextFieldWidgetClass, rc, XmNmaxLength, PORT_NAME_SZ, NULL); /* add callbacks */ XtAddCallback(connect_dialog, XmNokCallback, ConnectOKCallback, NULL); } if(dbname != NULL) XmTextSetString(AppWidgetsPtr->database, dbname); if(host != NULL) XmTextSetString(AppWidgetsPtr->host, host); if(port != NULL) XmTextSetString(AppWidgetsPtr->port, port); XtManageChild(connect_dialog); } /************************************************************************/ /* Function: ConnectOKCallback */ /* Purpose : calls DB_Connect() */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ConnectOKCallback(Widget w, XtPointer clientData, XtPointer callData) { strcpy(dbname, doubleTrim((char*)XmTextGetString(AppWidgetsPtr->database))); strcpy(host, doubleTrim((char*)XmTextGetString(AppWidgetsPtr->host))); strcpy(port, doubleTrim((char*)XmTextGetString(AppWidgetsPtr->port))); if((strlen(dbname) == 0) || (strlen(host) == 0) || (strlen(port) == 0)) ErrorMsg("Connect", "Make sure all fields are filled!"); else DB_Connect(); } /************************************************************************/ /* Function: NewCallback */ /* Purpose : handles new buffer request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void NewCallback(Widget w, XtPointer clientdata, XtPointer callData) { if((buffer_curr = DB_OpenScratchBuffer()) != NULL) buffer_curr = DB_SetBuffer(buffer_curr); } /************************************************************************/ /* Function: OpenCallback */ /* Purpose : handles open file request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void OpenCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Open"; /* dialog title string */ Widget text = (Widget)clientdata; /* selected file info */ static Widget open_dialog = NULL; /* dialog widget */ if(!open_dialog){ open_dialog = XmCreateFileSelectionDialog(AppWidgetsPtr->mainwindow, "OpenFileDialog", NULL, 0); /* setup dialog */ XtVaSetValues(open_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); /* add callbacks */ XtAddCallback(open_dialog, XmNokCallback, OpenOKCallback, NULL); XtAddCallback(open_dialog, XmNcancelCallback, OpenCancelCallback, NULL); } XtManageChild(open_dialog); } /************************************************************************/ /* Function: OpenOKCallback */ /* Purpose : calls DB_OpenFile() */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : file errors handled by DB_OpenFile() */ /************************************************************************/ void OpenOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { char *filename; /* file to open */ /* get the filename selected */ XmFileSelectionBoxCallbackStruct *cbs = (XmFileSelectionBoxCallbackStruct*)callData; XmStringGetLtoR(cbs->value, XmFONTLIST_DEFAULT_TAG, &filename); /* close dialog */ XtUnmanageChild(w); /* open the file */ DB_OpenFile(filename); } /************************************************************************/ /* Function: OpenCancelCallback */ /* Purpose : closes open file dialog on cancel */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void OpenCancelCallback(Widget w, XtPointer clientdata, XtPointer callData) { XtUnmanageChild(w); } /************************************************************************/ /* Function: SaveCallback */ /* Purpose : handles save file request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : file errors handled by DB_SaveFile() */ /************************************************************************/ void SaveCallback(Widget w, XtPointer clientdata, XtPointer callData) { if(strcmp(buffer_curr->filename, "scratch") == 0) SaveAsCallback(NULL, NULL, NULL); else DB_SaveFile(buffer_curr); } /************************************************************************/ /* Function: SaveAsCallback */ /* Purpose : handles save as file request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void SaveAsCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Save As"; /* dialog title string */ Widget text = (Widget)clientdata; /* selected file data */ static Widget save_dialog = NULL; /* dialog widget */ if(!save_dialog){ save_dialog = XmCreateFileSelectionDialog(AppWidgetsPtr->mainwindow, "SaveFileDialog", NULL, 0); /* setup dialog */ XtVaSetValues(save_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); /* add callbacks */ XtAddCallback(save_dialog, XmNokCallback, SaveAsOKCallback, NULL); XtAddCallback(save_dialog, XmNcancelCallback, SaveAsCancelCallback, NULL); } XtManageChild(save_dialog); } /************************************************************************/ /* Function: SaveAsOKCallback */ /* Purpose : calls DB_SaveFile() */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : file errors handled by DB_SaveFile() */ /************************************************************************/ void SaveAsOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { char *filename; /* filename to save as */ char tmp_fn[MAX_PATH_LEN]; /* tmp filename */ /* get filename */ XmFileSelectionBoxCallbackStruct *cbs = (XmFileSelectionBoxCallbackStruct*)callData; XmStringGetLtoR(cbs->value, XmFONTLIST_DEFAULT_TAG, &filename); XtUnmanageChild(w); /* save the file & copy new filename to linked list node holding the buffered file data */ strcpy(tmp_fn, buffer_curr->filename); strcpy(buffer_curr->filename, filename); if(!DB_SaveFile(buffer_curr)) strcpy(buffer_curr->filename, tmp_fn); } /************************************************************************/ /* Function: SaveAsCancelCallback */ /* Purpose : closes save as file dialog on cancel */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void SaveAsCancelCallback(Widget w, XtPointer clientdata, XtPointer callData) { XtUnmanageChild(w); } /************************************************************************/ /* Function: CloseCallback */ /* Purpose : handles exit application request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void CloseCallback(Widget w, XtPointer clientdata, XtPointer callData) { /* dialog message strings */ const char *title = "Quit"; const char *quit_msg = "Unsaved modified buffers exist.\nContinue without saving?"; /* dialog widget */ static Widget close_dialog = NULL; /* check linked list for modified buffers & if so, prompt user ...*/ if(DB_ChkModBuffers()){ if(!close_dialog){ close_dialog = XmCreateQuestionDialog(AppWidgetsPtr->mainwindow, "closedialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(close_dialog, XmDIALOG_HELP_BUTTON)); /* setup dialog */ XtVaSetValues(close_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, XtVaTypedArg, XmNmessageString, XmRString, quit_msg, strlen(quit_msg)+1, NULL); /* add callbacks */ XtAddCallback(close_dialog, XmNokCallback, ReallyQuitCallback, NULL); } XtManageChild(close_dialog); } else { /* shutdown application */ DB_Close(); LLIST_Remove(); exit(0); } } /************************************************************************/ /* Function: ReallyQuitCallback */ /* Purpose : handles exit application request */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : if the app has modified buffers on close, this will force */ /* closing with out saving...(OK button) */ /************************************************************************/ void ReallyQuitCallback(Widget w, XtPointer clientData, XtPointer callData) { DB_Close(); LLIST_Remove(); exit(0); } /************************************************************************/ /* Function: CutCallback */ /* Purpose : handles cuting of selected text to clipboard */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void CutCallback(Widget w, XtPointer clientdata, XtPointer callData) { XmTextCut(AppWidgetsPtr->sqlwindow, XtLastTimestampProcessed(XtDisplay(w))); } /************************************************************************/ /* Function: CopyCallback */ /* Purpose : handles copying of selected text to clipboard */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void CopyCallback(Widget w, XtPointer clientdata, XtPointer callData) { if((char*)XmTextGetSelection(AppWidgetsPtr->sqlwindow) != NULL) XmTextCopy(AppWidgetsPtr->sqlwindow, XtLastTimestampProcessed(XtDisplay(w))); else if((char*)XmTextGetSelection(AppWidgetsPtr->resultwindow) != NULL) XmTextCopy(AppWidgetsPtr->resultwindow, XtLastTimestampProcessed(XtDisplay(w))); } /************************************************************************/ /* Function: PasteCallback */ /* Purpose : handles pasting of text from the clipboard */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void PasteCallback(Widget w, XtPointer clientdata, XtPointer callData) { XmTextPaste(AppWidgetsPtr->sqlwindow); } /************************************************************************/ /* Function: ClearResultCallback */ /* Purpose : clears the result window */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ClearResultCallback(Widget w, XtPointer clientdata, XtPointer callData) { XmTextSetString(AppWidgetsPtr->resultwindow, '\0'); } /************************************************************************/ /* Function: SpoolCallback */ /* Purpose : handles spool file definition */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void SpoolCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Spool"; /* dialog title */ Widget rc; /* rowcol widget */ static Widget spool_dialog = NULL; /* dialog widget */ if(!spool_dialog){ spool_dialog = XmCreateMessageDialog(AppWidgetsPtr->mainwindow, "spooldialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(spool_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(spool_dialog, XmDIALOG_SYMBOL_LABEL)); XtUnmanageChild(XmMessageBoxGetChild(spool_dialog, XmDIALOG_MESSAGE_LABEL)); /* setup dialog */ XtVaSetValues(spool_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); rc = XtVaCreateManagedWidget("rc", xmRowColumnWidgetClass, spool_dialog, XmNnumColumns, 2, XmNpacking, XmPACK_COLUMN, XmNorientation, XmVERTICAL, NULL); XtCreateManagedWidget("Enter spool filename:", xmLabelWidgetClass, rc, NULL, 0); AppWidgetsPtr->spoolfile = XtVaCreateManagedWidget("spoolfile", xmTextFieldWidgetClass, rc, XmNmaxLength, MAX_PATH_LEN, NULL); /* add callback */ XtAddCallback(spool_dialog, XmNokCallback, SpoolOKCallback, NULL); } if(spool_file != NULL) XmTextSetString(AppWidgetsPtr->spoolfile, spool_file); XtManageChild(spool_dialog); } /************************************************************************/ /* Function: SpoolOKCallback */ /* Purpose : sets spool file name to user definition */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void SpoolOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { strcpy(spool_file, doubleTrim((char *)XmTextGetString(AppWidgetsPtr->spoolfile))); } /************************************************************************/ /* Function: ColWidthCallback */ /* Purpose : handles column width definition */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ColWidthCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Column Width"; /* dialog title */ Widget rc; /* rowcol widget */ static Widget colwidth_dialog = NULL; /* dialog widget */ char num_value[5]; /* col width value */ if(!colwidth_dialog){ colwidth_dialog = XmCreateMessageDialog(AppWidgetsPtr->mainwindow, "colwidthdialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(colwidth_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(colwidth_dialog, XmDIALOG_SYMBOL_LABEL)); XtUnmanageChild(XmMessageBoxGetChild(colwidth_dialog, XmDIALOG_MESSAGE_LABEL)); /* setup dialog */ XtVaSetValues(colwidth_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); rc = XtVaCreateManagedWidget("rc", xmRowColumnWidgetClass, colwidth_dialog, XmNnumColumns, 2, XmNpacking, XmPACK_COLUMN, XmNorientation, XmVERTICAL, NULL); XtCreateManagedWidget("Enter column width:", xmLabelWidgetClass, rc, NULL, 0); AppWidgetsPtr->colwidth = XtVaCreateManagedWidget("colwidth", xmTextFieldWidgetClass, rc, XmNmaxLength, COL_SZ, NULL); /* add callbacks */ XtAddCallback(colwidth_dialog, XmNokCallback, ColWidthOKCallback, NULL); } XmTextSetString(AppWidgetsPtr->colwidth, itoa(col_width, num_value)); XtManageChild(colwidth_dialog); } /************************************************************************/ /* Function: ColWidthCallback */ /* Purpose : set column width to user definition */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ColWidthOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { col_width = atoi(doubleTrim((char *)XmTextGetString(AppWidgetsPtr->colwidth))); } /************************************************************************/ /* Function: SaveOptCallback */ /* Purpose : saves user defined options */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void SaveOptCallback(Widget w, XtPointer clientdata, XtPointer callData) { MQUEL_SaveOptions(); } /************************************************************************/ /* Function: AboutCallback */ /* Purpose : displays the about box */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void AboutCallback(Widget w, XtPointer clientdata, XtPointer callData) { /* dialog message strings */ const char *title = "About"; const char *info = "MPSQL\nv1.5.0\n\nBy Keith R. Davis\nEmail: (keidav@whidbey.com)\n\nCopyright (c) 1996-97 White River Software"; Widget rc, picture; static Widget about_dialog = NULL; if(!about_dialog){ about_dialog = XmCreateMessageDialog(AppWidgetsPtr->mainwindow, "aboutdialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(about_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(about_dialog, XmDIALOG_CANCEL_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(about_dialog, XmDIALOG_SYMBOL_LABEL)); XtUnmanageChild(XmMessageBoxGetChild(about_dialog, XmDIALOG_MESSAGE_LABEL)); /* setup dialog */ XtVaSetValues(about_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); rc = XtVaCreateManagedWidget("rc", xmRowColumnWidgetClass, about_dialog, XmNnumColumns, 2, XmNpacking, XmPACK_TIGHT, XmNorientation, XmHORIZONTAL, NULL); picture = XtVaCreateManagedWidget("", xmLabelWidgetClass, rc, XmNmarginWidth, 15, XmNmarginHeight, 20, XmNalignment, XmALIGNMENT_CENTER, NULL); /* set label image */ InstallLabeledPixmap(picture, about_xpm,0); XtVaCreateManagedWidget("info", xmLabelWidgetClass, rc, XtVaTypedArg, XmNlabelString, XmRString, info, strlen(info)+1, XmNalignment, XmALIGNMENT_CENTER, NULL); } XtManageChild(about_dialog); } /************************************************************************/ /* Function: PrintCallback */ /* Purpose : handles printer definition & submits print job */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void PrintCallback(Widget w, XtPointer clientdata, XtPointer callData) { const char *title = "Print"; /* dialog title */ Widget rc; /* rowcol widget */ static Widget print_dialog = NULL; /* dialog widget */ if(!print_dialog){ print_dialog = XmCreateMessageDialog(AppWidgetsPtr->mainwindow, "printdialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(print_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(print_dialog, XmDIALOG_SYMBOL_LABEL)); XtUnmanageChild(XmMessageBoxGetChild(print_dialog, XmDIALOG_MESSAGE_LABEL)); /* setup dialog */ XtVaSetValues(print_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, NULL); rc = XtVaCreateManagedWidget("rc", xmRowColumnWidgetClass, print_dialog, XmNnumColumns, 2, XmNpacking, XmPACK_COLUMN, XmNorientation, XmVERTICAL, NULL); XtCreateManagedWidget("Enter target printer:", xmLabelWidgetClass, rc, NULL, 0); AppWidgetsPtr->printer = XtVaCreateManagedWidget("printer", xmTextFieldWidgetClass, rc, XmNmaxLength, PRINT_NAME_SZ, NULL); /* add callback */ XtAddCallback(print_dialog, XmNokCallback, PrintOKCallback, NULL); } if(printer != NULL) XmTextSetString(AppWidgetsPtr->printer, printer); XtManageChild(print_dialog); } /************************************************************************/ /* Function: PrintOKCallback */ /* Purpose : calls DB_PrintBuffer() */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void PrintOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { strcpy(printer, doubleTrim((char*)XmTextGetString(AppWidgetsPtr->printer))); if(strlen(printer) == 0) ErrorMsg("Print", "You must specify a printer!"); DB_PrintBuffer(buffer_curr, printer); } /************************************************************************/ /* Function: ExecSQLCallback */ /* Purpose : calls DB_SubmitQy() */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ExecSQLCallback(Widget w, XtPointer clientdata, XtPointer callData) { DB_SubmitQy(); } /************************************************************************/ /* Function: CascadeCallback */ /* Purpose : creates a menu of open buffers to select. */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void CascadeCallback(Widget w, XtPointer clientdata, XtPointer callData) { int i; static Widget btn[255]; static int list_cnt = 0; LLISTbuffer *curr; char tmp[4]; for(i = 0; i < list_cnt; i++) XtUnrealizeWidget(btn[i]); for(i = 0; i < list_cnt; i++) XtDestroyWidget(btn[i]); list_cnt = LLIST_Count(); for(i = 0; i < list_cnt; i++){ curr = LLIST_Get(i+1); btn[i] = XtVaCreateManagedWidget(itoa(i, tmp), xmPushButtonWidgetClass, AppWidgetsPtr->buffermenu, XtVaTypedArg, XmNlabelString, XmRString, curr->filename, strlen(curr->filename)+1, NULL); XtAddCallback(btn[i], XmNactivateCallback, BufferCallback, NULL); } } /************************************************************************/ /* Function: BufferCallback */ /* Purpose : sets the SQL window to the selected buffer */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void BufferCallback(Widget w, XtPointer clientdata, XtPointer callData) { LLISTbuffer *curr; curr = LLIST_Get(atoi(XtName(w)) + 1); buffer_curr = DB_SetBuffer(curr); } /************************************************************************/ /* Function: TextModifiedCallback */ /* Purpose : flags a buffer as modified if text changes */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void TextModifiedCallback(Widget w, XtPointer clientdata, XtPointer callData) { buffer_curr->modified = 1; } /************************************************************************/ /* Function: DeleteBufferCallback */ /* Purpose : handles user request to delete the current buffer */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void DeleteBufferCallback(Widget w, XtPointer clientdata, XtPointer callData) { /* dial title strings */ const char *title = "Delete Buffer"; const char *del_msg = "Buffer has been modified,\ndelete without saving changes?"; static Widget del_dialog = NULL; /* if the buffer is modified prompt the user to continue delete */ if(buffer_curr->modified == 1){ if(!del_dialog){ del_dialog = XmCreateQuestionDialog(AppWidgetsPtr->mainwindow, "deldialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(del_dialog, XmDIALOG_HELP_BUTTON)); /* setup dialog */ XtVaSetValues(del_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, XtVaTypedArg, XmNmessageString, XmRString, del_msg, strlen(del_msg)+1, NULL); /* add callback */ XtAddCallback(del_dialog, XmNokCallback, DeleteBufferOKCallback, NULL); } XtManageChild(del_dialog); } else DB_DeleteBuffer(buffer_curr); } /************************************************************************/ /* Function: DeleteBufferOKCallback */ /* Purpose : deletes the current buffer on user confirmation */ /* Params : standard callback stuff */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void DeleteBufferOKCallback(Widget w, XtPointer clientdata, XtPointer callData) { DB_DeleteBuffer(buffer_curr); } /************************************************************************/ /* Function: ErrorMsg */ /* Purpose : displays a basic message box with an error string */ /* Params : title : dialog title */ /* msg : dialog box message string */ /* Returns : nothing */ /* Notes : */ /************************************************************************/ void ErrorMsg(char *title, char *msg) { /* dialog widget */ static Widget error_dialog = NULL; if(!error_dialog){ error_dialog = XmCreateErrorDialog(AppWidgetsPtr->mainwindow, "errordialog", NULL, 0); /* remove uneeded children */ XtUnmanageChild(XmMessageBoxGetChild(error_dialog, XmDIALOG_HELP_BUTTON)); XtUnmanageChild(XmMessageBoxGetChild(error_dialog, XmDIALOG_CANCEL_BUTTON)); } /* setup dialog */ XtVaSetValues(error_dialog, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, XtVaTypedArg, XmNdialogTitle, XmRString, title, strlen(title)+1, XtVaTypedArg, XmNmessageString, XmRString, msg, strlen(msg)+1, NULL); XtManageChild(error_dialog); } /************************************************************************/ /* Function: GetColSeparator */ /* Purpose : returns the column separator character */ /* Params : */ /* Returns : char to set */ /* Notes : */ /************************************************************************/ char GetColSeparator(void) { if(XmToggleButtonGetState(AppWidgetsPtr->none)) return '\0'; else if(XmToggleButtonGetState(AppWidgetsPtr->tab)) return '\t'; else if(XmToggleButtonGetState(AppWidgetsPtr->space)) return ' '; else if(XmToggleButtonGetState(AppWidgetsPtr->comma)) return ','; } /************************************************************************/ /* Function: GetColSeparatorId */ /* Purpose : returns the column separator character const */ /* Params : */ /* Returns : 0: NONE, 1: TAB, 2: SPACE, 3: COMMA */ /* Notes : */ /************************************************************************/ int GetColSeparatorId(void) { if(XmToggleButtonGetState(AppWidgetsPtr->none)) return NONE; else if(XmToggleButtonGetState(AppWidgetsPtr->tab)) return TAB; else if(XmToggleButtonGetState(AppWidgetsPtr->space)) return SPACE; else if(XmToggleButtonGetState(AppWidgetsPtr->comma)) return COMMA; } /************************************************************************/ /* Function: SetColSeparator */ /* Purpose : handles setting column separator character */ /* Params : sep_value : int represent char to set */ /* 0: NONE, 1: TAB, 2: SPACE, 3: COMMA */ /* Returns : */ /* Notes : */ /************************************************************************/ void SetColSeparator(int sep_value) { if(sep_value == NONE) XmToggleButtonSetState(AppWidgetsPtr->none, 1, TRUE); else if(sep_value == TAB) XmToggleButtonSetState(AppWidgetsPtr->tab, 1, TRUE); else if(sep_value == SPACE) XmToggleButtonSetState(AppWidgetsPtr->space, 1, TRUE); else if(sep_value == COMMA) XmToggleButtonSetState(AppWidgetsPtr->comma, 1, TRUE); }