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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/examples/colors_example.h"
#include <stdint.h>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/views/background.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/scroll_view.h"
#include "ui/views/examples/grit/views_examples_resources.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/layout/table_layout.h"
namespace views::examples {
namespace {
// Argument utility macro that expands |label| to both a UTF16 string as the
// first argument and the corresponding ui::ColorId as the second argument.
#define COLOR_LABEL_ARGS(label) u## #label, ui::label
// Starts a new row and adds two columns to |layout|, the first displaying
// |label_string| and the second displaying |color_id| with its color and
// equivalent components as text.
void InsertColorRow(View* parent,
std::u16string_view label_string,
ui::ColorId color_id) {
auto* label_view = parent->AddChildView(
std::make_unique<Label>(std::u16string(label_string)));
label_view->SetHorizontalAlignment(gfx::HorizontalAlignment::ALIGN_LEFT);
label_view->SetSelectable(true);
auto* color_view = parent->AddChildView(std::make_unique<Label>());
color_view->SetHorizontalAlignment(gfx::HorizontalAlignment::ALIGN_LEFT);
auto background_color = color_view->GetColorProvider()->GetColor(color_id);
uint8_t red = SkColorGetR(background_color);
uint8_t green = SkColorGetG(background_color);
uint8_t blue = SkColorGetB(background_color);
uint8_t alpha = SkColorGetA(background_color);
std::string color_string =
base::StringPrintf("#%02x%02x%02x Alpha: %d", red, green, blue, alpha);
color_view->SetText(base::ASCIIToUTF16(color_string));
color_view->SetBackgroundColor(background_color);
color_view->SetBackground(CreateSolidBackground(background_color));
color_view->SetSelectable(true);
}
// Returns a view of two columns where the first contains the identifier names
// of ui::ColorId and the second contains the color.
void CreateAllColorsView(ScrollView* scroll_view) {
auto* container = scroll_view->SetContents(std::make_unique<View>());
container->SetLayoutManager(std::make_unique<TableLayout>())
->AddColumn(LayoutAlignment::kStretch, LayoutAlignment::kStretch, 1.0,
TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddColumn(LayoutAlignment::kStretch, LayoutAlignment::kStretch, 1.0,
TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddRows(71, TableLayout::kFixedSize);
InsertColorRow(container, COLOR_LABEL_ARGS(kColorWindowBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorDialogBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorDialogForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorBubbleBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorFocusableBorderFocused));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorFocusableBorderUnfocused));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorButtonForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorButtonForegroundDisabled));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorRadioButtonForegroundUnchecked));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorButtonBackgroundProminent));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorButtonBackgroundProminentFocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorButtonBackgroundProminentDisabled));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorButtonForegroundProminent));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorButtonBorder));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuItemForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuItemForegroundDisabled));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuItemForegroundSelected));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuItemBackgroundSelected));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorMenuItemForegroundSecondary));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuSeparator));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuBorder));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorMenuIcon));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorMenuItemBackgroundHighlighted));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorMenuItemForegroundHighlighted));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorMenuItemBackgroundAlertedInitial));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorMenuItemBackgroundAlertedTarget));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLabelForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLabelForegroundDisabled));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLabelForegroundSecondary));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLabelSelectionForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLabelSelectionBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLinkForegroundDisabled));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLinkForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorLinkForegroundPressed));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorSeparator));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTabForegroundSelected));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTabForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTabContentSeparator));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTextfieldForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTextfieldBackground));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTextfieldForegroundPlaceholder));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTextfieldForegroundDisabled));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTextfieldBackgroundDisabled));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTextfieldSelectionForeground));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTextfieldSelectionBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTooltipBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTooltipForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTreeBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTreeNodeForeground));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTreeNodeForegroundSelectedFocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTreeNodeForegroundSelectedUnfocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTreeNodeBackgroundSelectedFocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTreeNodeBackgroundSelectedUnfocused));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableForeground));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTableForegroundSelectedFocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTableForegroundSelectedUnfocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTableBackgroundSelectedFocused));
InsertColorRow(container,
COLOR_LABEL_ARGS(kColorTableBackgroundSelectedUnfocused));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableGroupingIndicator));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableHeaderForeground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableHeaderBackground));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorTableHeaderSeparator));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorThrobber));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorThrobberPreconnect));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorAlertLowSeverity));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorAlertMediumSeverityIcon));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorAlertMediumSeverityText));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorAlertHighSeverity));
InsertColorRow(container, COLOR_LABEL_ARGS(kColorIcon));
// Expands the view to allow for scrolling.
container->SizeToPreferredSize();
}
class AllColorsScrollView : public ScrollView {
METADATA_HEADER(AllColorsScrollView, ScrollView)
public:
AllColorsScrollView() {
constexpr int kMaxHeight = 300;
ClipHeightTo(0, kMaxHeight);
}
protected:
void OnThemeChanged() override {
ScrollView::OnThemeChanged();
CreateAllColorsView(this);
}
};
BEGIN_METADATA(AllColorsScrollView)
END_METADATA
} // namespace
ColorsExample::ColorsExample()
: ExampleBase(l10n_util::GetStringUTF8(IDS_THEME_SELECT_LABEL).c_str()) {}
ColorsExample::~ColorsExample() = default;
void ColorsExample::CreateExampleView(View* container) {
container->SetLayoutManager(std::make_unique<FillLayout>());
container->AddChildView(std::make_unique<AllColorsScrollView>());
}
} // namespace views::examples
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