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// Controller.m
// By Jayson Adams
// NeXT Strategic Developer Engineer
//
// You may freely copy, distribute and reuse the code in this example.
// NeXT disclaims any warranty of any kind, expressed or implied, as to its
// fitness for any particular use.
#import <libc.h> // for strcmp(), index(), rindex()
#import <streams/streams.h>
#import <appkit/publicWraps.h> // for NXConvertWinNumToGlobal()
#import <appkit/Control.h>
#import <appkit/NXImage.h>
#import <appkit/ScrollView.h>
#import <appkit/Text.h>
#import <appkit/Listener.h>
#import <appkit/Speaker.h>
#import <appkit/Window.h>
#import <appkit/OpenPanel.h>
#import <appkit/SavePanel.h>
#import <appkit/Application.h>
#import "CopyIcon.h"
#import "FileImage.h"
#import "GraphicImage.h"
#import "Controller.h"
@implementation Controller
/* instance methods */
- appDidInit:sender
{
[Text registerDirective:"FileImage" forClass:[FileImage class]];
[Text registerDirective:"GraphicImage" forClass:[GraphicImage class]];
[self registerWindow];
[textObj setSel:0 :0];
return self;
}
- registerWindow
{
unsigned int windowNum;
id speaker;
/* register our app icon window with the workspace */
NXConvertWinNumToGlobal([[textObj window] windowNum], &windowNum);
speaker = [NXApp appSpeaker];
[speaker setSendPort:NXPortFromName(NX_WORKSPACEREQUEST, NULL)];
[speaker registerWindow:windowNum
toPort:[[NXApp appListener] listenPort]];
return self;
}
static BOOL isEPSOrTIFF(char *filePath)
{
char *extension;
if (!(extension = rindex(filePath, '.'))) {
return NO;
}
return (!strcmp(".eps", extension) || !strcmp(".tiff", extension));
}
- (int)iconEntered:(int)windowNum at:(double)x :(double)y
iconWindow:(int)iconWindowNum iconX:(double)iconX iconY:(double)iconY
iconWidth:(double)iconWidth iconHeight:(double)iconHeight
pathList:(char *)pathList
{
char *stringPosition;
int files=1;
id newImage, newGraphic;
NXSize size = {48.0, 48.0};
struct stat statData;
/* the number of tabs + 1 equals the number of files dragged in */
stringPosition = pathList;
while (stringPosition = index(stringPosition, '\t')) {
files++;
stringPosition++;
}
/* make sure the user dragged one file in (and it wasn't root) */
if ((files > 1) || !(*pathList)) {
acceptedIcon = NO;
return 0;
}
/* punt if a directory */
stat(pathList, &statData);
if (statData.st_mode & S_IFDIR) {
acceptedIcon = NO;
return 0;
}
acceptedIcon = YES;
if (isEPSOrTIFF(pathList)) {
/* copy the tiff or eps image into the text object */
newImage = [[NXImage alloc] initFromFile:pathList];
newGraphic = [[GraphicImage alloc] initForImage:newImage];
[textObj replaceSelWithCell:newGraphic];
} else {
/*
* use some PostScript code to copy the bits from the Workspace
* window into our NXImage
*/
newImage = [[NXImage alloc] initSize:&size];
if ([newImage lockFocus]) {
copyIconPicture(iconWindowNum, iconX, iconY, iconWidth,
iconHeight);
[newImage unlockFocus];
newGraphic = [[FileImage alloc] initForImage:newImage
fileName:pathList];
[textObj replaceSelWithCell:newGraphic];
}
}
return 0;
}
- (int)iconExitedAt:(double)x :(double)y
{
NXSelPt start, end;
if (acceptedIcon) {
[[textObj getSel:&start :&end] setSel:start.cp - 1 :start.cp];
[textObj replaceSel:""];
}
return 0;
}
- (int)iconReleasedAt:(double)x :(double)y ok:(int *)flag
{
if (acceptedIcon) {
*flag = 1;
} else {
*flag = 0;
}
return 0;
}
- lipService:sender
{
id uniqueLipImage, lips;
/*
* we could use findImageNamed: to get the image, but it always returns the
* same instance for a given name. This causes problems when we have two
* graphicImages using the lips icon 'cause when they get freed, they both
* free the same nximage (and the app crashes). We can't do something like
* [[NXImage findImageNamed:"lips"] copy] 'cause the copy method only
* duplicates the nximage, not any of its representations. Using
* initFromSection: is a reasonable workaround.
*/
uniqueLipImage = [[NXImage alloc] initFromSection:"lips.tiff"];
lips = [[GraphicImage alloc] initForImage:uniqueLipImage];
[textObj replaceSelWithCell:lips];
return self;
}
#define OPEN 1
#define OPEN_RTF_AS_ASCII 2
- open:sender
{
id openPanel;
NXStream *stream;
const char *types[2] = {"rtf", NULL};
openPanel = [OpenPanel new];
[openPanel allowMultipleFiles:NO];
if ([openPanel runModalForTypes:types]) {
stream = NXMapFile([openPanel filename], NX_READONLY);
if ([[sender selectedCell] tag] == OPEN_RTF_AS_ASCII) {
[textObj readText:stream];
} else {
[textObj readRichText:stream];
}
NXCloseMemory(stream, NX_FREEBUFFER);
[textObj setSel:0 :0];
}
return self;
}
- save:sender
{
id savePanel;
NXStream *stream;
savePanel = [SavePanel new];
[savePanel setRequiredFileType:"rtf"];
if ([savePanel runModal]) {
stream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
[textObj writeRichText:stream];
if (NXSaveToFile(stream, [savePanel filename]) == -1) {
NXRunAlertPanel(NULL, "Couldn't write file", NULL, NULL, NULL);
}
NXCloseMemory(stream, NX_FREEBUFFER);
}
return self;
}
- windowWillResize:sender toSize:(NXSize *)frameSize
{
if (frameSize->height < 200.0) {
frameSize->height = 200.0;
}
if (frameSize->width < 200.0) {
frameSize->width = 200.0;
}
return self;
}
- info:sender
{
if (!infoPanel) {
[NXApp loadNibSection:"Info.nib" owner:self];
}
[infoPanel makeKeyAndOrderFront:NULL];
return self;
}
/* outlet initialization */
- setScrollView:anObject
{
scrollView = anObject;
textObj = [scrollView docView];
return self;
}
@endThese are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.