source: trunk/Cocoa/F-Script Anywhere/Source/FSAViewAssociationController.m@ 218

Last change on this file since 218 was 153, checked in by Nicholas Riley, 20 years ago

Integrates SCPatch and mach_inject; unfinished, buggy.
File size: 11.1 KB
Line 
1//
2// FSAViewAssociationController.m
3// F-Script Anywhere
4//
5// Created by Nicholas Riley on Wed Jul 17 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9/*
10
11 F-Script Anywhere is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 F-Script Anywhere is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with F-Script Anywhere; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24
25*/
26
27#import "FSAViewAssociationController.h"
28#import "FSAController.h"
29#import "FSAWindowManager.h"
30#import "FSAnywhere.h"
31#import <FScript/FSInterpreter.h>
32#import <FScript/System.h>
33
34@implementation FSAViewAssociationController
35
36- (id)initWithFSAController:(FSAController *)fsa;
37{
38 self = [super initWithWindowNibName: @"FSAViewAssociationPanel"];
39
40 if (self != nil) {
41 NSImage *bullseyeImage = [[NSImage alloc] initByReferencingFile: [[NSBundle bundleForClass: [self class]] pathForResource: @"Bullseye menu cursor" ofType: @"tiff"]];
42 NSString *label = [fsa interpreterLabel];
43
44 interpreter = [[[fsa interpreterView] interpreter] retain];
45 system = [fsa system];
46 [[self window] setResizeIncrements: NSMakeSize(1, 12)];
47 if (label != nil) [[self window] setTitle: [NSString stringWithFormat: @"%@: %@", [[self window] title], label]];
48 bullseyeCursor = [[NSCursor alloc] initWithImage: bullseyeImage hotSpot: NSMakePoint(6, 7)];
49 [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(controlTextDidChange:) name: NSControlTextDidChangeNotification object: variableNameField];
50 [[captureButton cell] setShowsStateBy: NSContentsCellMask | NSChangeGrayCellMask];
51 [captureButton setState: NSOffState];
52 [self update: nil];
53 }
54 return self;
55}
56
57- (void)dealloc;
58{
59 [viewHierarchyMenu release];
60 [selectedElement release];
61 [interpreter release];
62 [bullseyeCursor release];
63 [[NSNotificationCenter defaultCenter] removeObserver: self];
64 [super dealloc];
65}
66
67- (IBAction)update:(id)sender;
68{
69 NSString *variableName = [variableNameField stringValue];
70 BOOL canAssignToVariable = NO;
71 [browseButton setEnabled: selectedElement != nil];
72 [statusField setStringValue: @""];
73 if ([variableName length] != 0) {
74 if (![FSInterpreter validateSyntaxForIdentifier: variableName]) {
75 [statusField setStringValue: @"Invalid name: contains spaces, punctuation or non-ASCII characters"];
76 } else if (selectedElement != nil) {
77 [statusField setStringValue: @"Click ÒAssociateÓ to assign to this variable"];
78 canAssignToVariable = YES;
79 }
80 }
81 [associateButton setEnabled: canAssignToVariable];
82 [variableNameField setEnabled: [captureButton state] == NSOffState];
83}
84
85- (void)stopCapturingVoluntarily:(BOOL)voluntary;
86{
87 FSALog(@"stopping capture");
88 [[NSNotificationCenter defaultCenter] removeObserver: self name: NSMenuWillSendActionNotification object: nil];
89 [captureButton setState: NSOffState];
90 [self update: nil];
91 if (voluntary) {
92 FSALog(@"voluntary!");
93 [[self window] makeKeyAndOrderFront: self];
94 [bullseyeCursor pop];
95 [variableNameField becomeFirstResponder];
96 }
97}
98
99- (void)_addElement:(id)element withLabel:(NSString *)label toSubmenuForItem:(id<NSMenuItem>)item;
100{
101 NSMenu *submenu = [item submenu];
102 id<NSMenuItem> subItem;
103 if (submenu == nil) {
104 id superElement = [item representedObject];
105 submenu = [[NSMenu alloc] initWithTitle: @""];
106 subItem = [submenu addItemWithTitle: NSStringFromClass([superElement class])
107 action: @selector(elementSelected:)
108 keyEquivalent: @""];
109 [subItem setTarget: self];
110 [subItem setRepresentedObject: superElement];
111 [item setSubmenu: submenu];
112 [submenu release];
113 }
114 [submenu addItem: [NSMenuItem separatorItem]];
115 [submenu addItemWithTitle: label action: nil keyEquivalent: @""];
116 subItem = [submenu addItemWithTitle: [@" "
117 stringByAppendingString: NSStringFromClass([element class])]
118 action: @selector(elementSelected:)
119 keyEquivalent: @""];
120 [subItem setTarget: self];
121 [subItem setRepresentedObject: element];
122}
123
124- (void)_addValueForSelector:(SEL)sel withLabel:(NSString *)label toSubmenuForItem:(id<NSMenuItem>)item;
125{
126 id obj = [item representedObject];
127 if ([obj respondsToSelector: sel]) {
128 id value = [obj performSelector: sel];
129 if (value == nil) return;
130 [self _addElement: value withLabel: label toSubmenuForItem: item];
131 }
132}
133
134- (void)_addElementToMenu:(id)element;
135{
136 id<NSMenuItem> item;
137 if (element == nil) return;
138 item = [viewHierarchyMenu addItemWithTitle: [@" "
139 stringByAppendingString: NSStringFromClass([element class])]
140 action: @selector(elementSelected:)
141 keyEquivalent: @""];
142 [item setTarget: self];
143 [item setRepresentedObject: element];
144 [self _addValueForSelector: @selector(windowController) withLabel: @"Window Controller" toSubmenuForItem: item];
145 [self _addValueForSelector: @selector(delegate) withLabel: @"Delegate" toSubmenuForItem: item];
146 [self _addValueForSelector: @selector(dataSource) withLabel: @"Data Source" toSubmenuForItem: item];
147 [self _addValueForSelector: @selector(target) withLabel: @"Target" toSubmenuForItem: item];
148 [self _addValueForSelector: @selector(cell) withLabel: @"Cell" toSubmenuForItem: item];
149}
150
151- (void)captureOneView;
152{
153 NSEvent *event;
154 NSView *view, *superView = nil, *contentView;
155 NSWindow *eventWindow;
156 static unsigned captureCount = 0;
157 unsigned capture = captureCount++;
158
159 FSALog(@"%4u>capturing one", capture);
160 [captureButton setState: NSOnState];
161 [bullseyeCursor push];
162
163captureElement:
164 [bullseyeCursor set];
165 FSALog(@"%4u waiting for event...", capture);
166 [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(menuWillSendAction:) name: NSMenuWillSendActionNotification object: nil];
167 event = [NSApp nextEventMatchingMask: NSLeftMouseDownMask | NSRightMouseDownMask | NSOtherMouseDownMask | NSKeyUpMask | NSAppKitDefinedMask
168 untilDate: [NSDate distantFuture]
169 inMode: NSEventTrackingRunLoopMode
170 dequeue: YES];
171 FSALog(@"%4u got %@", capture, event);
172 [[NSNotificationCenter defaultCenter] removeObserver: self name: NSMenuWillSendActionNotification object: nil];
173 if ([event type] == NSAppKitDefined) {
174 if ([event subtype] == NSApplicationDeactivatedEventType) {
175 [NSApp discardEventsMatchingMask: NSAnyEventMask beforeEvent: event];
176 [self stopCapturingVoluntarily: NO];
177 [NSApp sendEvent: event];
178 return;
179 }
180 goto captureElement;
181 }
182 if ([event type] == NSKeyUp) {
183 [NSApp discardEventsMatchingMask: NSAnyEventMask & ~NSKeyUpMask beforeEvent: event];
184 FSALog(@"%4u<stop capture [key up]", capture);
185 [self stopCapturingVoluntarily: YES];
186 return;
187 }
188 [viewHierarchyMenu release]; viewHierarchyMenu = nil;
189 viewHierarchyMenu = [[NSMenu alloc] initWithTitle: @""];
190 NS_DURING
191 eventWindow = [event window];
192 contentView = [eventWindow contentView];
193 view = [[contentView superview] hitTest: [event locationInWindow]];
194 if (view == captureButton) {
195 [NSApp discardEventsMatchingMask: NSAnyEventMask & ~NSKeyUpMask beforeEvent: event];
196 FSALog(@"%4u<stop capture [capture button]", capture);
197 [self stopCapturingVoluntarily: YES];
198 NS_VOIDRETURN;
199 }
200 if (view == nil) {
201 [self captureOneView];
202 NS_VOIDRETURN;
203 }
204 [viewHierarchyMenu addItemWithTitle: @"View" action: nil keyEquivalent: @""];
205 [self _addElementToMenu: view];
206 superView = view;
207 do {
208 superView = [superView superview];
209 if (superView == nil) break;
210 [self _addElementToMenu: superView];
211 } while (superView != contentView);
212 [viewHierarchyMenu addItem: [NSMenuItem separatorItem]];
213 [viewHierarchyMenu addItemWithTitle: @"Window" action: nil keyEquivalent: @""];
214 [self _addElementToMenu: eventWindow];
215 NS_HANDLER
216 [descriptionField setStringValue:
217 [NSString stringWithFormat: @"Çan exception occurred: %@È", localException]];
218 NS_ENDHANDLER
219 [NSMenu popUpContextMenu: viewHierarchyMenu withEvent: event forView: view];
220 if ([captureButton state] == NSOnState) goto captureElement;
221 FSALog(@"%4u<stop capture [fell through to end]", capture);
222}
223
224- (IBAction)captureView:(id)sender
225{
226 [statusField setStringValue: @"Click inside one of this applicationÕs windows to select."];
227 [selectedElement release]; selectedElement = nil;
228 [self update: nil];
229 [self captureOneView];
230}
231
232- (void)setSelectedElement:(id)element;
233{
234 FSALog(@"element selected: %@", element);
235 NS_DURING
236 [descriptionField setStringValue: [element description]];
237 [selectedElement release];
238 selectedElement = [element retain];
239 [[self window] orderFront: self];
240 NS_HANDLER
241 [descriptionField setStringValue:
242 [NSString stringWithFormat: @"Çan exception occurred: %@È", localException]];
243 NS_ENDHANDLER
244 [viewHierarchyMenu release]; viewHierarchyMenu = nil;
245}
246
247- (void)elementSelected:(NSMenuItem *)sender;
248{
249 [self setSelectedElement: [sender representedObject]];
250 [self captureOneView];
251}
252
253- (void)menuWillSendAction:(NSNotification *)notification;
254{
255 NSMenuItem *item = [[notification userInfo] objectForKey: @"MenuItem"];
256 [self setSelectedElement: item];
257 [NSApp discardEventsMatchingMask: NSAnyEventMask beforeEvent: [NSApp currentEvent]];
258 // we're already capturing, don't do it again
259}
260
261- (void)controlTextDidChange:(NSNotification *)notification;
262{
263 [self update: nil];
264}
265
266- (IBAction)defineVariable:(id)sender;
267{
268 NS_DURING
269 NSString *variableName = [variableNameField stringValue];
270 [statusField setStringValue: @"AssociatingÉ"];
271 [interpreter setObject: selectedElement forIdentifier: variableName];
272 [statusField setStringValue: [NSString stringWithFormat: @"Assigned variable Ò%@Ó", variableName]];
273 NS_HANDLER
274 [statusField setStringValue: [NSString stringWithFormat: @"Assocation failed: %@", localException]];
275 NS_ENDHANDLER
276}
277
278- (IBAction)viewInObjectBrowser:(id)sender;
279{
280 FSALog(@"system: %@", system);
281 [system browse: selectedElement];
282 [statusField setStringValue: @"Opened object browser"];
283}
284
285@end
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