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/*
* tkMacOSXServices.c --
*\
* This file allows the integration of Tk and the Cocoa NSServices API.
*
* Copyright (c) 2010-2019 Kevin Walzer/WordTech Communications LLC.
* Copyright (c) 2010 Adrian Robert.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include <CoreServices/CoreServices.h>
#include <tkInt.h>
#include <tkMacOSXInt.h>
static Tcl_Interp *ServicesInterp;
/*
* Event proc which calls the PerformService procedure
*/
static int
ServicesEventProc(
Tcl_Event *event,
int flags)
{
Tcl_GlobalEval(ServicesInterp, "::tk::mac::PerformService");
return 1;
}
/*
* Class declarations for TkService class.
*/
@interface TkService : NSView {
}
+ (void) initialize;
- (void)provideService:(NSPasteboard *)pboard userData:(NSString *)data error:(NSString **)error;
- (id)validRequestorForSendType:(NSString *)sendType returnType:(NSString *)returnType;
- (BOOL)writeSelectionToPasteboard:(NSPasteboard *)pboard types:(NSArray *)types;
@end
/*
* Class methods.
*/
@implementation TkService
+ (void) initialize {
NSArray *sendTypes = [NSArray arrayWithObjects:@"NSStringPboardType",
@"NSPasteboardTypeString", nil];
[NSApp registerServicesMenuSendTypes:sendTypes returnTypes:sendTypes];
return;
}
- (id)validRequestorForSendType:(NSString *)sendType
returnType:(NSString *)returnType
{
if ([sendType isEqualToString:@"NSStringPboardType"] ||
[sendType isEqualToString:@"NSPasteboardTypeString"]) {
return self;
}
return [super validRequestorForSendType:sendType returnType:returnType];
}
/*
* Make sure the view accepts events.
*/
- (BOOL)acceptsFirstResponder
{
return YES;
}
- (BOOL)becomeFirstResponder
{
return YES;
}
/*
* Get selected text, copy to pasteboard.
*/
- (BOOL)writeSelectionToPasteboard:(NSPasteboard *)pboard
types:(NSArray *)types
{
NSArray *typesDeclared = nil;
NSString *pboardType = nil;
for (NSString *typeString in types) {
if ([typeString isEqualToString:@"NSStringPboardType"] ||
[typeString isEqualToString:@"NSPasteboardTypeString"]) {
typesDeclared = [NSArray arrayWithObject:typeString];
pboardType = typeString;
break;
}
}
if (!typesDeclared) {
return NO;
}
Tcl_Eval(ServicesInterp, "selection get");
char *copystring = Tcl_GetString(Tcl_GetObjResult(ServicesInterp));
NSString *writestring = [NSString stringWithUTF8String:copystring];
[pboard declareTypes:typesDeclared owner:nil];
return [pboard setString:writestring forType:pboardType];
}
/*
* This is the method that actually calls the Tk service; this is the method
* that must be defined in info.plist.
*/
- (void)provideService:(NSPasteboard *)pboard
userData:(NSString *)data
error:(NSString **)error
{
NSString *pboardString, *pboardType;
NSArray *types = [pboard types];
Tcl_Event *event;
/*
* Get string from private pasteboard, write to general pasteboard to make
* available to Tcl service.
*/
for (NSString *typeString in types) {
if ([typeString isEqualToString:@"NSStringPboardType"] ||
[typeString isEqualToString:@"NSPasteboardTypeString"]) {
pboardString = [pboard stringForType:typeString];
pboardType = typeString;
break;
}
}
if (pboardString) {
NSPasteboard *generalpasteboard = [NSPasteboard generalPasteboard];
[generalpasteboard declareTypes:[NSArray arrayWithObjects:pboardType, nil]
owner:nil];
[generalpasteboard setString:pboardString forType:pboardType];
event = ckalloc(sizeof(Tcl_Event));
event->proc = ServicesEventProc;
Tcl_QueueEvent((Tcl_Event *)event, TCL_QUEUE_TAIL);
}
}
@end
/*
* Register a specific widget to access the Services menu.
*/
int
TkMacOSXRegisterServiceWidgetObjCmd(
ClientData cd,
Tcl_Interp *ip,
int objc,
Tcl_Obj *CONST objv[])
{
/*
* Need proper number of args.
*/
if (objc != 2) {
Tcl_WrongNumArgs(ip, 1, objv, "path?");
return TCL_ERROR;
}
/*
* Get the object that holds this Tk Window...
*/
Rect bounds;
NSRect frame;
Tk_Window path =
Tk_NameToWindow(ip, Tcl_GetString(objv[1]), Tk_MainWindow(ip));
if (path == NULL) {
return TCL_ERROR;
}
Tk_MakeWindowExist(path);
Tk_MapWindow(path);
Drawable d = Tk_WindowId(path);
/*
* Get NSView from Tk window and add subview.
*/
TkService *serviceview = [[TkService alloc] init];
NSView *view = TkMacOSXGetRootControl(d);
if ([serviceview superview] != view) {
[view addSubview:serviceview];
}
TkMacOSXWinBounds((TkWindow*)path, &bounds);
/*
* Hack to make sure subview is set to take up entire geometry of window.
*/
frame = NSMakeRect(bounds.left, bounds.top, 100000, 100000);
frame.origin.y = 0;
if (!NSEqualRects(frame, [serviceview frame])) {
[serviceview setFrame:frame];
}
[serviceview release];
return TCL_OK;
}
/*
* Initalize the package in the Tcl interpreter, create Tcl commands.
*/
int
TkMacOSXServices_Init(
Tcl_Interp *interp)
{
/*
* Initialize instance of TclServices to provide service functionality.
*/
TkService *service = [[TkService alloc] init];
ServicesInterp = interp;
[NSApp setServicesProvider:service];
return TCL_OK;
}
/*
* Local Variables:
* mode: objc
* c-basic-offset: 4
* fill-column: 79
* coding: utf-8
* End:
*/
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