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- // Copyright 2015 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "ui/views/style/platform_style.h"
- #include "base/numerics/safe_conversions.h"
- #include "base/strings/sys_string_conversions.h"
- #include "ui/base/buildflags.h"
- #include "ui/gfx/color_utils.h"
- #include "ui/views/controls/button/label_button.h"
- #import "ui/views/controls/scrollbar/cocoa_scroll_bar.h"
- #import <Cocoa/Cocoa.h>
- extern "C" {
- // From CFString private headers.
- typedef CF_ENUM(CFIndex, CFStringCharacterClusterType) {
- kCFStringGraphemeCluster = 1, /* Unicode Grapheme Cluster */
- kCFStringComposedCharacterCluster =
- 2, /* Compose all non-base (including spacing marks) */
- kCFStringCursorMovementCluster =
- 3, /* Cluster suitable for cursor movements */
- kCFStringBackwardDeletionCluster =
- 4 /* Cluster suitable for backward deletion */
- };
- CFRange CFStringGetRangeOfCharacterClusterAtIndex(
- CFStringRef string,
- CFIndex index,
- CFStringCharacterClusterType type);
- }
- namespace views {
- const int PlatformStyle::kMinLabelButtonWidth = 32;
- const int PlatformStyle::kMinLabelButtonHeight = 30;
- const bool PlatformStyle::kDialogDefaultButtonCanBeCancel = false;
- const bool PlatformStyle::kSelectWordOnRightClick = true;
- const bool PlatformStyle::kSelectAllOnRightClickWhenUnfocused = true;
- const bool PlatformStyle::kTextfieldUsesDragCursorWhenDraggable = false;
- const bool PlatformStyle::kTableViewSupportsKeyboardNavigationByCell = false;
- const bool PlatformStyle::kTreeViewSelectionPaintsEntireRow = true;
- const bool PlatformStyle::kUseRipples = false;
- const bool PlatformStyle::kInactiveWidgetControlsAppearDisabled = true;
- const bool PlatformStyle::kAdjustBubbleIfOffscreen = false;
- const View::FocusBehavior PlatformStyle::kDefaultFocusBehavior =
- View::FocusBehavior::ACCESSIBLE_ONLY;
- const Button::KeyClickAction PlatformStyle::kKeyClickActionOnSpace =
- Button::KeyClickAction::kOnKeyPress;
- // On Mac, the Return key is used to perform the default action even when a
- // control is focused.
- const bool PlatformStyle::kReturnClicksFocusedControl = false;
- // static
- std::unique_ptr<ScrollBar> PlatformStyle::CreateScrollBar(bool is_horizontal) {
- return std::make_unique<CocoaScrollBar>(is_horizontal);
- }
- // static
- void PlatformStyle::OnTextfieldEditFailed() {
- NSBeep();
- }
- // static
- gfx::Range PlatformStyle::RangeToDeleteBackwards(const std::u16string& text,
- size_t cursor_position) {
- if (cursor_position == 0)
- return gfx::Range();
- base::ScopedCFTypeRef<CFStringRef> cf_string(CFStringCreateWithCharacters(
- kCFAllocatorDefault, reinterpret_cast<const UniChar*>(text.data()),
- base::checked_cast<CFIndex>(text.size())));
- CFRange range_to_delete = CFStringGetRangeOfCharacterClusterAtIndex(
- cf_string, base::checked_cast<CFIndex>(cursor_position - 1),
- kCFStringBackwardDeletionCluster);
- if (range_to_delete.location == NSNotFound)
- return gfx::Range();
- // The range needs to be reversed to undo correctly.
- return gfx::Range(base::checked_cast<size_t>(range_to_delete.location +
- range_to_delete.length),
- base::checked_cast<size_t>(range_to_delete.location));
- }
- } // namespace views
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