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#include "cru/osx/gui/InputMethod.hpp"
#import <AppKit/AppKit.h>
#include "InputMethodPrivate.h"
#include "WindowPrivate.h"
#include "cru/osx/Convert.hpp"
#include "cru/osx/gui/Window.hpp"
using cru::platform::osx::Convert;
namespace cru::platform::gui::osx {
namespace details {
OsxInputMethodContextPrivate::OsxInputMethodContextPrivate(
OsxInputMethodContext* input_method_context, OsxWindow* window) {
input_method_context_ = input_method_context;
window_ = window;
}
OsxInputMethodContextPrivate::~OsxInputMethodContextPrivate() {}
void OsxInputMethodContextPrivate::RaiseCompositionStartEvent() {
composition_start_event_.Raise(nullptr);
}
void OsxInputMethodContextPrivate::RaiseCompositionEndEvent() {
composition_end_event_.Raise(nullptr);
}
void OsxInputMethodContextPrivate::RaiseCompositionEvent() { composition_event_.Raise(nullptr); }
void OsxInputMethodContextPrivate::RaiseTextEvent(StringView text) { text_event_.Raise(text); }
void OsxInputMethodContextPrivate::PerformSel(SEL sel) {
[window_->p_->GetNSWindow() performSelector:sel];
}
void OsxInputMethodContextPrivate::Activate() {
if (!window_->p_->GetNSWindow()) return;
auto input_context = [[window_->p_->GetNSWindow() contentView] inputContext];
Ensures(input_context);
[input_context activate];
}
void OsxInputMethodContextPrivate::Deactivate() {
if (!window_->p_->GetNSWindow()) return;
auto input_context = [[window_->p_->GetNSWindow() contentView] inputContext];
Ensures(input_context);
[input_context deactivate];
}
}
OsxInputMethodContext::OsxInputMethodContext(OsxWindow* window)
: OsxGuiResource(window->GetUiApplication()) {
p_ = std::make_unique<details::OsxInputMethodContextPrivate>(this, window);
}
OsxInputMethodContext::~OsxInputMethodContext() {}
void OsxInputMethodContext::EnableIME() { p_->Activate(); }
void OsxInputMethodContext::DisableIME() { p_->Deactivate(); }
bool OsxInputMethodContext::ShouldManuallyDrawCompositionText() { return true; }
void OsxInputMethodContext::CompleteComposition() {
// TODO: Implement this.
}
void OsxInputMethodContext::CancelComposition() {
[[NSTextInputContext currentInputContext] discardMarkedText];
}
CompositionText OsxInputMethodContext::GetCompositionText() { return p_->composition_text_; }
void OsxInputMethodContext::SetCandidateWindowPosition(const Point& point) {
p_->SetCandidateWindowPosition(point);
}
IEvent<std::nullptr_t>* OsxInputMethodContext::CompositionStartEvent() {
return &p_->composition_start_event_;
}
IEvent<std::nullptr_t>* OsxInputMethodContext::CompositionEndEvent() {
return &p_->composition_end_event_;
}
IEvent<std::nullptr_t>* OsxInputMethodContext::CompositionEvent() {
return &p_->composition_event_;
}
IEvent<StringView>* OsxInputMethodContext::TextEvent() { return &p_->text_event_; }
}
@implementation CruInputClient {
cru::platform::gui::osx::details::OsxInputMethodContextPrivate* _p;
NSMutableAttributedString* _text;
}
- (id)init:(cru::platform::gui::osx::details::OsxInputMethodContextPrivate*)p {
_p = p;
return self;
}
- (BOOL)hasMarkedText {
return _text != nil;
}
- (NSRange)markedRange {
return _text == nil ? NSRange{NSNotFound, 0} : NSRange{0, [_text length]};
}
- (NSRange)selectedRange {
return NSMakeRange(_p->GetSelectionRange().position, _p->GetSelectionRange().count);
}
- (void)setMarkedText:(id)string
selectedRange:(NSRange)selectedRange
replacementRange:(NSRange)replacementRange {
if (_text == nil) {
_text = [[NSMutableAttributedString alloc] init];
_p->RaiseCompositionStartEvent();
}
[_text deleteCharactersInRange:replacementRange];
[_text insertAttributedString:[[NSAttributedString alloc] initWithString:(NSString*)string]
atIndex:replacementRange.location];
cru::platform::gui::CompositionText composition_text;
composition_text.text = Convert((CFStringRef)[_text string]);
composition_text.selection.position = replacementRange.location + selectedRange.location;
composition_text.selection.count = selectedRange.length;
_p->SetCompositionText(composition_text);
_p->RaiseCompositionEvent();
}
- (void)unmarkText {
_text = nil;
_p->RaiseCompositionEndEvent();
}
- (NSArray<NSAttributedStringKey>*)validAttributesForMarkedText {
return @[
(NSString*)kCTUnderlineColorAttributeName, (NSString*)kCTUnderlineStyleAttributeName,
(NSString*)kCTForegroundColorAttributeName, (NSString*)kCTBackgroundColorAttributeName
];
}
- (NSAttributedString*)attributedSubstringForProposedRange:(NSRange)range
actualRange:(NSRangePointer)actualRange {
return [_text attributedSubstringFromRange:range];
}
- (void)insertText:(id)string replacementRange:(NSRange)replacementRange {
_text = nil;
cru::String s = Convert((CFStringRef)string);
_p->RaiseCompositionEndEvent();
_p->RaiseTextEvent(s);
}
- (NSUInteger)characterIndexForPoint:(NSPoint)point {
return NSNotFound;
}
- (NSRect)firstRectForCharacterRange:(NSRange)range actualRange:(NSRangePointer)actualRange {
NSRect result;
result.origin.x = _p->GetCandidateWindowPosition().x;
result.origin.y = _p->GetCandidateWindowPosition().y;
result.size.height = 16;
result.size.width = 0;
return result;
}
- (void)doCommandBySelector:(SEL)selector {
_p->PerformSel(selector);
}
@end
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