old-hiro/cocoa/widget/label.cpp
2016-05-15 12:45:15 +02:00

77 lines
1.9 KiB
C++

#if defined(Hiro_Label)
@implementation CocoaLabel : NSTextView
-(id) initWith:(hiro::mLabel&)labelReference {
if(self = [super initWithFrame:NSMakeRect(0, 0, 0, 0)]) {
label = &labelReference;
[self setDrawsBackground:NO];
[self setEditable:NO];
[self setRichText:NO];
}
return self;
}
@end
namespace hiro {
auto pLabel::construct() -> void {
@autoreleasepool {
cocoaView = cocoaLabel = [[CocoaLabel alloc] initWith:self()];
pWidget::construct();
setAlignment(state().alignment);
setText(state().text);
}
}
auto pLabel::destruct() -> void {
@autoreleasepool {
[cocoaView removeFromSuperview];
[cocoaView release];
}
}
auto pLabel::minimumSize() const -> Size {
return pFont::size(self().font(true), state().text);
}
auto pLabel::setAlignment(Alignment alignment) -> void {
@autoreleasepool {
NSMutableParagraphStyle* paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
paragraphStyle.alignment = NSTextAlignmentCenter;
if(alignment.horizontal() < 0.333) paragraphStyle.alignment = NSTextAlignmentLeft;
if(alignment.horizontal() > 0.666) paragraphStyle.alignment = NSTextAlignmentRight;
[cocoaView setDefaultParagraphStyle:paragraphStyle];
}
}
auto pLabel::setGeometry(Geometry geometry) -> void {
//NSTextView does not support vertical text centering:
//simulate this by adjusting the geometry placement (reduce height, move view down)
uint height = pFont::size(self().font(true), state().text).height();
auto offset = geometry;
if(geometry.height() > height) {
uint diff = geometry.height() - height;
offset.setY(offset.y() + (diff >> 1));
offset.setHeight(offset.height() - (diff >> 1));
}
pWidget::setGeometry({
offset.x() - 6, offset.y(),
offset.width() + 12, offset.height()
});
}
auto pLabel::setText(const string& text) -> void {
@autoreleasepool {
[cocoaView setString:[NSString stringWithUTF8String:text]];
}
}
}
#endif