nextstep-gitgui/ProgressPanel.m at main · ARNLTony/nextstep-gitgui · GitHub

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/*
 * ProgressPanel.m - Modal progress panel for NeXTGitHub
 * (c) 2026 ARNLTony & Claude. MIT License.
 */

#import <appkit/appkit.h>
#import "ProgressPanel.h"
#import "git_core.h"

@implementation ProgressPanel

- init
{
    id contentView;
    NXRect panelRect = {{340.0, 340.0}, {400.0, 120.0}};
    NXRect msgRect   = {{20.0, 60.0}, {360.0, 24.0}};
    NXRect btnRect   = {{150.0, 16.0}, {100.0, 28.0}};

    [super init];
    cancelled = 0;

    panel = [[Panel alloc] initContent:&panelRect
                          style:NX_TITLEDSTYLE
                          backing:NX_BUFFERED
                          buttonMask:0
                          defer:YES];
    [panel setTitle:"Working..."];

    contentView = [panel contentView];

    messageField = [[TextField alloc] initFrame:&msgRect];
    [messageField setEditable:NO];
    [messageField setSelectable:NO];
    [messageField setBezeled:NO];
    [messageField setStringValue:"Please wait..."];
    [contentView addSubview:messageField];

    cancelButton = [[Button alloc] initFrame:&btnRect
                                   title:"Cancel"
                                   tag:0
                                   target:self
                                   action:@selector(cancelAction:)
                                   key:0
                                   enabled:YES];
    [contentView addSubview:cancelButton];

    return self;
}

- (void)showWithMessage:(const char *)msg
{
    cancelled = 0;
    [messageField setStringValue:msg];
    [panel makeKeyAndOrderFront:nil];
    [NXApp updateWindows];
}

- (void)updateMessage:(const char *)msg
{
    [messageField setStringValue:msg];
    [panel display];
}

- (void)hide
{
    [panel orderOut:nil];
}

- (int)isCancelled
{
    return cancelled;
}

- cancelAction:sender
{
    cancelled = 1;
    return self;
}

@end

/* C bridge function for GitProgressFn callback */
int progress_panel_bridge(progress, userdata)
void *progress;
void *userdata;
{
    GitProgress *p = (GitProgress *)progress;
    id panel = (id)userdata;
    NXEvent *ev;

    [panel updateMessage:p->message];

    /* Pump the event loop so the panel stays responsive */
    while ((ev = [NXApp peekNextEvent:NX_ALLEVENTS into:NULL
                  waitFor:0.0 threshold:NX_BASETHRESHOLD]) != NULL) {
        ev = [NXApp getNextEvent:NX_ALLEVENTS waitFor:0.0
              threshold:NX_BASETHRESHOLD];
        if (ev) [NXApp sendEvent:ev];
    }

    return [panel isCancelled] ? -1 : 0;
}