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path: root/frontends/cocoa/FormSelectMenu.m
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/*
 * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#import "cocoa/FormSelectMenu.h"
#import "cocoa/coordinates.h"

#import "netsurf/types.h"
#import "netsurf/browser_window.h"
#import "netsurf/form.h"

static inline NSRect cocoa_rect_for_control( struct browser_window *bw, struct form_control *control)
{
    struct rect r;
    form_control_bounding_rect(control, &r);
    return cocoa_scaled_rect(browser_window_get_scale(bw),
                             r.x0,
                             r.y0,
                             r.x1,
                             r.y1);
}

@interface FormSelectMenu () <NSMenuDelegate>

- (void) itemSelected: (id) sender;

@end


@implementation FormSelectMenu

- (id) initWithControl: (struct form_control *) c forWindow: (struct browser_window *) w
{
    if ((self = [super init]) == nil) return nil;

    control = c;
    browser = w;

    menu = [[NSMenu alloc] initWithTitle: @"Select"];
    if (menu == nil) {
        return nil;
    }

    [menu addItemWithTitle: @"" action: NULL keyEquivalent: @""];

    NSInteger currentItemIndex = 0;
    struct form_option *opt;
    for (opt = form_select_get_option(control, 0);
         opt != NULL;
         opt = opt->next) {
        NSMenuItem *item = [[NSMenuItem alloc] initWithTitle: [NSString stringWithUTF8String: opt->text]
                                                      action: @selector( itemSelected: )
                                               keyEquivalent: @""];
        if (opt->selected) {
            [item setState: NSOnState];
        }
        [item setTarget: self];
        [item setTag: currentItemIndex++];
        [menu addItem: item];
    }

    [menu setDelegate: self];

    return self;
}


- (void) runInView: (NSView *) view
{
    (void)(__bridge_retained void *)self;

    cell = [[NSPopUpButtonCell alloc] initTextCell: @"" pullsDown: YES];
    [cell setMenu: menu];

    const NSRect rect = cocoa_rect_for_control(browser, control);

    [cell attachPopUpWithFrame: rect inView: view];
    [cell performClickWithFrame: rect inView: view];
}

- (void) itemSelected: (id) sender
{
    form_select_process_selection( control, (int)[sender tag] );
}

- (void) menuDidClose: (NSMenu *) sender
{
    (void)(__bridge_transfer id)((__bridge void *)self);
}

@end