libui/darwin/stddialogs.m

123 lines
3.1 KiB
Objective-C

// 26 june 2015
#import "uipriv_darwin.h"
// TODO restructure this whole file
// TODO explicitly document this works as we want
#define windowWindow(w) ((NSWindow *) uiControlHandle(uiControl(w)))
// source of code modal logic: http://stackoverflow.com/questions/604768/wait-for-nsalert-beginsheetmodalforwindow
// note: whether extensions are actually shown depends on a user setting in Finder; we can't control it here
static void setupSavePanel(NSSavePanel *s)
{
[s setCanCreateDirectories:YES];
[s setShowsHiddenFiles:YES];
[s setExtensionHidden:NO];
[s setCanSelectHiddenExtension:NO];
[s setTreatsFilePackagesAsDirectories:YES];
}
static char *runSavePanel(NSWindow *parent, NSSavePanel *s)
{
char *filename;
[s beginSheetModalForWindow:parent completionHandler:^(NSInteger result) {
[realNSApp() stopModalWithCode:result];
}];
if ([realNSApp() runModalForWindow:s] != NSFileHandlingPanelOKButton)
return NULL;
filename = uiDarwinNSStringToText([[s URL] path]);
return filename;
}
char *uiOpenFile(uiWindow *parent)
{
NSOpenPanel *o;
o = [NSOpenPanel openPanel];
[o setCanChooseFiles:YES];
[o setCanChooseDirectories:NO];
[o setResolvesAliases:NO];
[o setAllowsMultipleSelection:NO];
setupSavePanel(o);
// panel is autoreleased
return runSavePanel(windowWindow(parent), o);
}
char *uiSaveFile(uiWindow *parent)
{
NSSavePanel *s;
s = [NSSavePanel savePanel];
setupSavePanel(s);
// panel is autoreleased
return runSavePanel(windowWindow(parent), s);
}
// I would use a completion handler for NSAlert as well, but alas NSAlert's are 10.9 and higher only
@interface libuiCodeModalAlertPanel : NSObject {
NSAlert *panel;
NSWindow *parent;
}
- (id)initWithPanel:(NSAlert *)p parent:(NSWindow *)w;
- (NSInteger)run;
- (void)panelEnded:(NSAlert *)panel result:(NSInteger)result data:(void *)data;
@end
@implementation libuiCodeModalAlertPanel
- (id)initWithPanel:(NSAlert *)p parent:(NSWindow *)w
{
self = [super init];
if (self) {
self->panel = p;
self->parent = w;
}
return self;
}
- (NSInteger)run
{
[self->panel beginSheetModalForWindow:self->parent
modalDelegate:self
didEndSelector:@selector(panelEnded:result:data:)
contextInfo:NULL];
return [realNSApp() runModalForWindow:[self->panel window]];
}
- (void)panelEnded:(NSAlert *)panel result:(NSInteger)result data:(void *)data
{
[realNSApp() stopModalWithCode:result];
}
@end
static void msgbox(NSWindow *parent, const char *title, const char *description, NSAlertStyle style)
{
NSAlert *a;
libuiCodeModalAlertPanel *cm;
a = [NSAlert new];
[a setAlertStyle:style];
[a setShowsHelp:NO];
[a setShowsSuppressionButton:NO];
[a setMessageText:toNSString(title)];
[a setInformativeText:toNSString(description)];
[a addButtonWithTitle:@"OK"];
cm = [[libuiCodeModalAlertPanel alloc] initWithPanel:a parent:parent];
[cm run];
[cm release];
[a release];
}
void uiMsgBox(uiWindow *parent, const char *title, const char *description)
{
msgbox(windowWindow(parent), title, description, NSInformationalAlertStyle);
}
void uiMsgBoxError(uiWindow *parent, const char *title, const char *description)
{
msgbox(windowWindow(parent), title, description, NSCriticalAlertStyle);
}