C++，Object-C混合编程

ken_scott 2016-06-15 04:25:37



#include <Cocoa/Cocoa.h>

#include <cstdio>

#include <string>

#include <list>



static bool select_folder(std::string & foldername)

{

    foldername.clear();

    NSWindow * window = [NSWindow alloc];

    NSOpenPanel * panel = [NSOpenPanel openPanel];

    [panel setCanChooseFiles:NO];

    [panel setCanChooseDirectories:YES];

    [panel setAllowsMultipleSelection:NO];

//  [panel setMessage:@"Import one or more files or directories."];

    [panel beginSheetModalForWindow:window completionHandler:^(NSInteger result) {

        if (result == NSFileHandlingPanelOKButton)

        {

            NSURL * selection = panel.URLs[0];

            NSString * path = [selection.path stringByResolvingSymlinksInPath];

            foldername = [path cStringUsingEncoding : NSUTF8StringEncoding];

        }

    }];

    return(!foldername.empty());

}



static bool select_files(std::list<std::string> & filename_list)

{

    filename_list.clear();

    NSWindow * window = [NSWindow alloc];

    NSOpenPanel * panel = [NSOpenPanel openPanel];

    [panel setCanChooseFiles:YES];

    [panel setCanChooseDirectories:NO];

    [panel setAllowsMultipleSelection:YES];

//  [panel setMessage:@"Import one or more files or directories."];

    [panel beginSheetModalForWindow:window completionHandler:^(NSInteger result) {

        if (result == NSFileHandlingPanelOKButton)

        {

            for (int index = 0; index < panel.URLs.count; ++index)

            {

                NSURL * selection = panel.URLs[0];

                NSString * path = [selection.path stringByResolvingSymlinksInPath];

                std::string pathname = [path cStringUsingEncoding : NSUTF8StringEncoding];

                filename_list.push_back(pathname);

            }

        }

    }];

    return(!filename_list.empty());

}



int main(int argc, char * argv[])

{

    std::string foldername;

    select_folder(foldername);

    printf("folder: <%s>\n", foldername.c_str());



    std::list<std::string> filename_list;

    select_files(filename_list);

	printf("filelist:\n");

    for (std::list<std::string>::const_iterator iter = filename_list.begin(); filename_list.end() != iter; ++iter)

    {

        printf("    <%s>\n", iter->c_str());

    }

    return(0);

}