Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/ape/X11/cmd/X/hw/darwin/quartz/quartzCocoa.m

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Distributed under the MIT License.
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/* $XdotOrg: xc/programs/Xserver/hw/darwin/quartz/quartzCocoa.m,v 1.2 2004/04/23 19:15:17 eich Exp $ */
/**************************************************************
 *
 * Quartz-specific support for the Darwin X Server
 * that requires Cocoa and Objective-C.
 *
 * This file is separate from the parts of Quartz support
 * that use X include files to avoid symbol collisions.
 *
 **************************************************************/
/*
 * Copyright (c) 2001-2004 Torrey T. Lyons and Greg Parker.
 *                 All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name(s) of the above copyright
 * holders shall not be used in advertising or otherwise to promote the sale,
 * use or other dealings in this Software without prior written authorization.
 */
/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/quartzCocoa.m,v 1.5 2004/06/08 22:58:10 torrey Exp $ */
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "quartzCommon.h"

#define BOOL xBOOL
#include "darwin.h"
#undef BOOL

#include <Cocoa/Cocoa.h>

#import "Preferences.h"
#include "pseudoramiX.h"

extern void FatalError(const char *, ...);
extern char *display;
extern int noPanoramiXExtension;


/*
 * QuartzReadPreferences
 *  Read the user preferences from the Cocoa front end.
 */
void QuartzReadPreferences(void)
{
    char *fileString;

    darwinFakeButtons = [Preferences fakeButtons];
    darwinFakeMouse2Mask = [Preferences button2Mask];
    darwinFakeMouse3Mask = [Preferences button3Mask];
    darwinMouseAccelChange = [Preferences mouseAccelChange];
    quartzUseSysBeep = [Preferences systemBeep];
    quartzEnableKeyEquivalents = [Preferences enableKeyEquivalents];

    // quartzRootless has already been set
    if (quartzRootless) {
        // Use PseudoramiX instead of Xinerama
        noPanoramiXExtension = TRUE;
        noPseudoramiXExtension = ![Preferences xinerama];

        quartzUseAGL = [Preferences useAGL];
    } else {
        noPanoramiXExtension = ![Preferences xinerama];
        noPseudoramiXExtension = TRUE;

        // Full screen can't use AGL for GLX
        quartzUseAGL = FALSE;
    }

    if ([Preferences useKeymapFile]) {
        fileString = (char *) [[Preferences keymapFile] lossyCString];
        darwinKeymapFile = (char *) malloc(strlen(fileString)+1);
        if (! darwinKeymapFile)
            FatalError("malloc failed in QuartzReadPreferences()!\n");
        strcpy(darwinKeymapFile, fileString);
    }

    display = (char *) malloc(8);
    if (! display)
        FatalError("malloc failed in QuartzReadPreferences()!\n");
    snprintf(display, 8, "%i", [Preferences display]);

    darwinDesiredDepth = [Preferences depth] - 1;
}


/*
 * QuartzWriteCocoaPasteboard
 *  Write text to the Mac OS X pasteboard.
 */
void QuartzWriteCocoaPasteboard(
    char *text)
{
    NSPasteboard *pasteboard;
    NSArray *pasteboardTypes;
    NSString *string;

    if (! text) return;
    pasteboard = [NSPasteboard generalPasteboard];
    if (! pasteboard) return;
    string = [NSString stringWithCString:text];
    if (! string) return;
    pasteboardTypes = [NSArray arrayWithObject:NSStringPboardType];

    // nil owner because we don't provide type translations
    [pasteboard declareTypes:pasteboardTypes owner:nil];
    [pasteboard setString:string forType:NSStringPboardType];
}


/*
 * QuartzReadCocoaPasteboard
 *  Read text from the Mac OS X pasteboard and return it as a heap string.
 *  The caller must free the string.
 */
char *QuartzReadCocoaPasteboard(void)
{
    NSPasteboard *pasteboard;
    NSArray *pasteboardTypes;
    NSString *existingType;
    char *text = NULL;

    pasteboardTypes = [NSArray arrayWithObject:NSStringPboardType];
    pasteboard = [NSPasteboard generalPasteboard];
    if (! pasteboard) return NULL;

    existingType = [pasteboard availableTypeFromArray:pasteboardTypes];
    if (existingType) {
        NSString *string = [pasteboard stringForType:existingType];
        char *buffer;

        if (! string) return NULL;
        buffer = (char *) [string lossyCString];
        text = (char *) malloc(strlen(buffer)+1);
        if (text)
            strcpy(text, buffer);
    }

    return text;
}


/*
 * QuartzFSUseQDCursor
 *  Return whether the screen should use a QuickDraw cursor.
 */
int QuartzFSUseQDCursor(
    int depth)  // screen depth
{
    switch ([Preferences useQDCursor]) {
        case qdCursor_Always:
            return TRUE;
        case qdCursor_Never:
            return FALSE;
        case qdCursor_Not8Bit:
            if (depth > 8)
                return TRUE;
            else
                return FALSE;
    }
    return TRUE;
}


/*
 * QuartzBlockHandler
 *  Clean out any autoreleased objects.
 */
void QuartzBlockHandler(
    void *blockData,
    void *pTimeout,
    void *pReadmask)
{
    static NSAutoreleasePool *aPool = nil;

    [aPool release];
    aPool = [[NSAutoreleasePool alloc] init];
}


/*
 * QuartzWakeupHandler
 */
void QuartzWakeupHandler(
    void *blockData,
    int result,
    void *pReadmask)
{
    // nothing here
}

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