Moved touchbar item for text formatting to separate file.

Telegram/CMakeLists.txt

@@ -891,6 +891,8 @@ PRIVATE
     platform/mac/specific_mac_p.h
     platform/mac/window_title_mac.mm
     platform/mac/window_title_mac.h
+    platform/mac/touchbar/items/mac_formatter_item.h
+    platform/mac/touchbar/items/mac_formatter_item.mm
     platform/mac/touchbar/items/mac_pinned_chats_item.h
     platform/mac/touchbar/items/mac_pinned_chats_item.mm
     platform/mac/touchbar/items/mac_scrubber_item.h

Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.h

@@ -0,0 +1,16 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#import <AppKit/NSPopoverTouchBarItem.h>
+#import <AppKit/NSTouchBar.h>
+
+API_AVAILABLE(macos(10.12.2))
+@interface TextFormatPopover : NSPopoverTouchBarItem
+- (id)init:(NSTouchBarItemIdentifier)identifier;
+@end

Telegram/SourceFiles/platform/mac/touchbar/items/mac_formatter_item.mm

@@ -0,0 +1,142 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "platform/mac/touchbar/items/mac_formatter_item.h"
+
+#ifndef OS_OSX
+
+#include "base/platform/mac/base_utilities_mac.h"
+#include "lang/lang_keys.h"
+#include "platform/mac/touchbar/mac_touchbar_common.h"
+
+#import <AppKit/NSCustomTouchBarItem.h>
+#import <AppKit/NSScrollView.h>
+#import <AppKit/NSSegmentedControl.h>
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QTextEdit>
+
+namespace {
+
+constexpr auto kCommandBold = 0x010;
+constexpr auto kCommandItalic = 0x011;
+constexpr auto kCommandUnderline = 0x012;
+constexpr auto kCommandStrikeOut = 0x013;
+constexpr auto kCommandMonospace = 0x014;
+constexpr auto kCommandClear = 0x015;
+constexpr auto kCommandLink = 0x016;
+
+const auto kPopoverFormatter = @"popoverInputFormatter";
+
+void SendKeyEvent(int command) {
+	auto *focused = qobject_cast<QTextEdit*>(QApplication::focusWidget());
+	if (!focused) {
+		return;
+	}
+	auto key = 0;
+	auto modifier = Qt::KeyboardModifiers(0) | Qt::ControlModifier;
+	switch (command) {
+	case kCommandBold:
+		key = Qt::Key_B;
+		break;
+	case kCommandItalic:
+		key = Qt::Key_I;
+		break;
+	case kCommandMonospace:
+		key = Qt::Key_M;
+		modifier |= Qt::ShiftModifier;
+		break;
+	case kCommandClear:
+		key = Qt::Key_N;
+		modifier |= Qt::ShiftModifier;
+		break;
+	case kCommandLink:
+		key = Qt::Key_K;
+		break;
+	case kCommandUnderline:
+		key = Qt::Key_U;
+		break;
+	case kCommandStrikeOut:
+		key = Qt::Key_X;
+		modifier |= Qt::ShiftModifier;
+		break;
+	}
+	QApplication::postEvent(
+		focused,
+		new QKeyEvent(QEvent::KeyPress, key, modifier));
+	QApplication::postEvent(
+		focused,
+		new QKeyEvent(QEvent::KeyRelease, key, modifier));
+}
+
+} // namespace
+
+#pragma mark - TextFormatPopover
+
+@implementation TextFormatPopover {
+	rpl::lifetime _lifetime;
+}
+
+- (id)init:(NSTouchBarItemIdentifier)identifier {
+	self = [super initWithIdentifier:identifier];
+	if (!self) {
+		return nil;
+	}
+
+	self.collapsedRepresentationImage = [NSImage
+		imageNamed:NSImageNameTouchBarTextItalicTemplate]; // autorelease];
+	auto *secondaryTouchBar = [[[NSTouchBar alloc] init] autorelease];
+
+	auto *popover = [[[NSCustomTouchBarItem alloc]
+		initWithIdentifier:kPopoverFormatter] autorelease];
+	{
+		auto *scroll = [[[NSScrollView alloc] init] autorelease];
+		auto *segment = [[[NSSegmentedControl alloc] init] autorelease];
+		segment.segmentStyle = NSSegmentStyleRounded;
+		segment.target = self;
+		segment.action = @selector(segmentClicked:);
+
+		static const auto strings = {
+			tr::lng_menu_formatting_bold,
+			tr::lng_menu_formatting_italic,
+			tr::lng_menu_formatting_underline,
+			tr::lng_menu_formatting_strike_out,
+			tr::lng_menu_formatting_monospace,
+			tr::lng_menu_formatting_clear,
+			tr::lng_info_link_label,
+		};
+		segment.segmentCount = strings.size();
+		auto width = 0;
+		auto count = 0;
+		for (const auto &s : strings) {
+			const auto string = Platform::Q2NSString(s(tr::now));
+			width += TouchBar::WidthFromString(string) * 1.4;
+			[segment setLabel:string forSegment:count++];
+		}
+		segment.frame = NSMakeRect(0, 0, width, TouchBar::kCircleDiameter);
+		[scroll setDocumentView:segment];
+		popover.view = scroll;
+	}
+
+	secondaryTouchBar.templateItems = [NSSet setWithArray:@[popover]];
+	secondaryTouchBar.defaultItemIdentifiers = @[kPopoverFormatter];
+
+	self.popoverTouchBar = secondaryTouchBar;
+	return self;
+}
+
+- (void)segmentClicked:(NSSegmentedControl*)sender {
+	const auto command = int(sender.selectedSegment) + kCommandBold;
+	sender.selectedSegment = -1;
+	SendKeyEvent(command);
+
+	[self dismissPopover:nil];
+}
+
+@end // @implementation TextFormatPopover
+
+#endif // OS_OSX