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- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- * The following source code is part of the Microline Widget Library.
- * The Microline widget library is made available to Mozilla developers
- * under the Netscape Public License (NPL) by Neuron Data. To learn
- * more about Neuron Data, please visit the Neuron Data Home Page at
- * http://www.neurondata.com.
- */
-
-
- #include <Xm/Xm.h>
- #include <Xm/Form.h>
- #include <XmL/Grid.h>
- #include <XmL/Tree.h>
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <dirent.h>
-
- void rowExpand();
- void rowCollapse();
- void cellSelect();
-
- Widget grid;
-
- main(argc, argv)
- int argc;
- char *argv[];
- {
- XtAppContext app;
- Widget shell, form, tree;
- XmString str;
-
- shell = XtAppInitialize(&app, "Tree4", NULL, 0,
- &argc, argv, NULL, NULL, 0);
-
- form = XtVaCreateManagedWidget("form",
- xmFormWidgetClass, shell,
- XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
- XmNshadowThickness, 0,
- NULL);
-
- /* Add Tree to left of Form */
- tree = XtVaCreateManagedWidget("tree",
- xmlTreeWidgetClass, form,
- XmNhorizontalSizePolicy, XmCONSTANT,
- XmNautoSelect, False,
- XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
- XtVaTypedArg, XmNforeground, XmRString, "black", 6,
- XtVaTypedArg, XmNblankBackground, XmRString, "white", 6,
- XtVaTypedArg, XmNselectBackground, XmRString, "#000080", 8,
- XtVaTypedArg, XmNselectForeground, XmRString, "white", 6,
- XtVaTypedArg, XmNconnectingLineColor, XmRString, "#808080", 8,
- XmNleftAttachment, XmATTACH_FORM,
- XmNtopAttachment, XmATTACH_FORM,
- XmNbottomAttachment, XmATTACH_FORM,
- XmNrightAttachment, XmATTACH_POSITION,
- XmNrightPosition, 45,
- NULL);
- XtVaSetValues(tree,
- XmNcellDefaults, True,
- XtVaTypedArg, XmNcellBackground, XmRString, "white", 6,
- NULL);
-
- /* Add a single row containing the root path to the Tree */
- str = XmStringCreateSimple("/");
- XmLTreeAddRow(tree, 1, True, False, 0,
- XmUNSPECIFIED_PIXMAP, XmUNSPECIFIED_PIXMAP, str);
- XmStringFree(str);
- XtVaSetValues(tree,
- XmNrow, 0,
- XmNrowUserData, strdup("/"),
- NULL);
-
- XtAddCallback(tree, XmNexpandCallback, rowExpand, NULL);
- XtAddCallback(tree, XmNcollapseCallback, rowCollapse, NULL);
- XtAddCallback(tree, XmNselectCallback, cellSelect, NULL);
-
- /* Add a Grid to the right of the Form and set cell defaults */
- grid = XtVaCreateManagedWidget("grid",
- xmlGridWidgetClass, form,
- XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
- XtVaTypedArg, XmNforeground, XmRString, "black", 6,
- XtVaTypedArg, XmNblankBackground, XmRString, "white", 6,
- XtVaTypedArg, XmNselectBackground, XmRString, "#000080", 8,
- XtVaTypedArg, XmNselectForeground, XmRString, "white", 6,
- XmNcolumns, 3,
- XmNsimpleWidths, "24c 12c 10c",
- XmNsimpleHeadings, "Name|Type|Size",
- XmNvisibleColumns, 6,
- XmNallowColumnResize, True,
- XmNheadingRows, 1,
- XmNvisibleRows, 16,
- XmNhighlightRowMode, True,
- XmNleftAttachment, XmATTACH_POSITION,
- XmNleftPosition, 46,
- XmNtopAttachment, XmATTACH_FORM,
- XmNbottomAttachment, XmATTACH_FORM,
- XmNrightAttachment, XmATTACH_FORM,
- NULL);
- XtVaSetValues(grid,
- XmNcellDefaults, True,
- XtVaTypedArg, XmNcellBackground, XmRString, "white", 6,
- XmNcellTopBorderType, XmBORDER_NONE,
- XmNcellBottomBorderType, XmBORDER_NONE,
- XmNcellRightBorderType, XmBORDER_NONE,
- XmNcellLeftBorderType, XmBORDER_NONE,
- XmNcellAlignment, XmALIGNMENT_LEFT,
- NULL);
- XtVaSetValues(grid,
- XmNcellDefaults, True,
- XmNcolumn, 2,
- XmNcellAlignment, XmALIGNMENT_RIGHT,
- NULL);
-
- /* Invoke the select callback for the first row in the Tree */
- /* to fill the Grid with the data for the root path */
- XmLGridSelectRow(tree, 0, True);
-
- XtRealizeWidget(shell);
- XtAppMainLoop(app);
- }
-
- void rowExpand(w, clientData, callData)
- Widget w;
- XtPointer clientData, callData;
- {
- XmLGridCallbackStruct *cbs;
- XmLGridRow row;
- int level, pos;
- DIR *dir;
- struct dirent *d;
- struct stat s;
- char *path, fullpath[1024];
- XmString str;
-
- /* Retrieve the path of the directory expanded. This is kept */
- /* in the row's rowUserData */
- cbs = (XmLGridCallbackStruct *)callData;
- row = XmLGridGetRow(w, XmCONTENT, cbs->row);
- XtVaGetValues(w,
- XmNrowPtr, row,
- XmNrowUserData, &path,
- XmNrowLevel, &level,
- NULL);
- pos = cbs->row + 1;
- dir = opendir(path);
- if (!dir)
- return;
-
- /* Add the subdirectories of the directory expanded to the Tree */
- XtVaSetValues(w,
- XmNlayoutFrozen, True,
- NULL);
- while (d = readdir(dir))
- {
- if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
- continue;
- sprintf(fullpath, "%s/%s", path, d->d_name);
- if (lstat(fullpath, &s) == -1)
- continue;
- if (!S_ISDIR(s.st_mode))
- continue;
- str = XmStringCreateSimple(d->d_name);
- XmLTreeAddRow(w, level + 1, True, False, pos,
- XmUNSPECIFIED_PIXMAP, XmUNSPECIFIED_PIXMAP, str);
- XmStringFree(str);
- XtVaSetValues(w,
- XmNrow, pos,
- XmNrowUserData, strdup(fullpath),
- NULL);
- pos++;
- }
- closedir(dir);
- XtVaSetValues(w,
- XmNlayoutFrozen, False,
- NULL);
- }
-
- void rowCollapse(w, clientData, callData)
- Widget w;
- XtPointer clientData, callData;
- {
- XmLGridCallbackStruct *cbs;
- XmLGridRow row;
- char *path;
- int i, j, level, rows;
-
- /* Collapse the row by deleting the rows in the tree which */
- /* are children of the collapsed row. We also need to free */
- /* the path contained in the rowUserData of the rows deleted */
- cbs = (XmLGridCallbackStruct *)callData;
- row = XmLGridGetRow(w, XmCONTENT, cbs->row);
- XtVaGetValues(w,
- XmNrowPtr, row,
- XmNrowLevel, &level,
- NULL);
- XtVaGetValues(w,
- XmNrows, &rows,
- NULL);
- i = cbs->row + 1;
- while (i < rows)
- {
- row = XmLGridGetRow(w, XmCONTENT, i);
- XtVaGetValues(w,
- XmNrowPtr, row,
- XmNrowLevel, &j,
- XmNrowUserData, &path,
- NULL);
- if (j <= level)
- break;
- free(path);
- i++;
- }
- j = i - cbs->row - 1;
- XmLGridDeleteRows(w, XmCONTENT, cbs->row + 1, j);
- }
-
- void cellSelect(w, clientData, callData)
- Widget w;
- XtPointer clientData, callData;
- {
- XmLGridCallbackStruct *cbs;
- XmLGridRow row;
- DIR *dir;
- struct stat s;
- struct dirent *d;
- char *path, fullpath[1024], buf[256];
- int pos;
-
- /* Retrieve the directory selected */
- cbs = (XmLGridCallbackStruct *)callData;
- if (cbs->rowType != XmCONTENT)
- return;
- row = XmLGridGetRow(w, XmCONTENT, cbs->row);
- XtVaGetValues(w,
- XmNrowPtr, row,
- XmNrowUserData, &path,
- NULL);
- dir = opendir(path);
- if (!dir)
- return;
-
- /* Add a row for each file in the directory to the Grid */
- pos = 0;
- XtVaSetValues(grid,
- XmNlayoutFrozen, True,
- NULL);
- XmLGridDeleteAllRows(grid, XmCONTENT);
- while (d = readdir(dir))
- {
- sprintf(fullpath, "%s/%s", path, d->d_name);
- if (lstat(fullpath, &s) == -1)
- continue;
- XmLGridAddRows(grid, XmCONTENT, pos, 1);
- XmLGridSetStringsPos(grid, XmCONTENT, pos, XmCONTENT, 0, d->d_name);
- if (S_ISDIR(s.st_mode))
- sprintf(buf, "Directory");
- else if (S_ISLNK(s.st_mode))
- sprintf(buf, "Link");
- else
- sprintf(buf, "File");
- XmLGridSetStringsPos(grid, XmCONTENT, pos, XmCONTENT, 1, buf);
- sprintf(buf, "%d", (int)s.st_size);
- XmLGridSetStringsPos(grid, XmCONTENT, pos, XmCONTENT, 2, buf);
- pos++;
- }
- closedir(dir);
- XtVaSetValues(grid,
- XmNlayoutFrozen, False,
- NULL);
- }
-
-