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Unified Diff: ui/views/examples/multiline_example.cc

Issue 851853002: It is time. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Trying to reup because the last upload failed. Created 5 years, 11 months ago
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Index: ui/views/examples/multiline_example.cc
diff --git a/ui/views/examples/multiline_example.cc b/ui/views/examples/multiline_example.cc
deleted file mode 100644
index d2d69cce1465a1cdafe6ccd3ef4f861f28876be4..0000000000000000000000000000000000000000
--- a/ui/views/examples/multiline_example.cc
+++ /dev/null
@@ -1,191 +0,0 @@
-// Copyright 2013 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/examples/multiline_example.h"
-
-#include "base/strings/utf_string_conversions.h"
-#include "ui/events/event.h"
-#include "ui/gfx/render_text.h"
-#include "ui/views/background.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/button/checkbox.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/textfield/textfield.h"
-#include "ui/views/layout/grid_layout.h"
-#include "ui/views/view.h"
-
-using base::ASCIIToUTF16;
-
-namespace views {
-namespace examples {
-
-namespace {
-
-gfx::Range ClampRange(gfx::Range range, size_t max) {
- range.set_start(std::min(range.start(), max));
- range.set_end(std::min(range.end(), max));
- return range;
-}
-
-// A Label with a clamped preferred width to demonstrate wrapping.
-class PreferredSizeLabel : public Label {
- public:
- PreferredSizeLabel() : Label() {}
- virtual ~PreferredSizeLabel() {}
-
- // Label:
- virtual gfx::Size GetPreferredSize() const override {
- return gfx::Size(50, Label::GetPreferredSize().height());
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel);
-};
-
-} // namespace
-
-// A simple View that hosts a RenderText object.
-class MultilineExample::RenderTextView : public View {
- public:
- RenderTextView() : render_text_(gfx::RenderText::CreateInstance()) {
- render_text_->SetHorizontalAlignment(gfx::ALIGN_CENTER);
- render_text_->SetColor(SK_ColorBLACK);
- render_text_->SetMultiline(true);
- SetBorder(Border::CreateSolidBorder(2, SK_ColorGRAY));
- }
-
- virtual void OnPaint(gfx::Canvas* canvas) override {
- View::OnPaint(canvas);
- render_text_->Draw(canvas);
- }
-
- virtual gfx::Size GetPreferredSize() const override {
- // Turn off multiline mode to get the single-line text size, which is the
- // preferred size for this view.
- render_text_->SetMultiline(false);
- gfx::Size size(render_text_->GetContentWidth(),
- render_text_->GetStringSize().height());
- size.Enlarge(GetInsets().width(), GetInsets().height());
- render_text_->SetMultiline(true);
- return size;
- }
-
- virtual int GetHeightForWidth(int w) const override {
- // TODO(ckocagil): Why does this happen?
- if (w == 0)
- return View::GetHeightForWidth(w);
- const gfx::Rect old_rect = render_text_->display_rect();
- gfx::Rect rect = old_rect;
- rect.set_width(w - GetInsets().width());
- render_text_->SetDisplayRect(rect);
- int height = render_text_->GetStringSize().height() + GetInsets().height();
- render_text_->SetDisplayRect(old_rect);
- return height;
- }
-
- void SetText(const base::string16& new_contents) {
- // Color and style the text inside |test_range| to test colors and styles.
- const size_t range_max = new_contents.length();
- gfx::Range color_range = ClampRange(gfx::Range(1, 21), range_max);
- gfx::Range bold_range = ClampRange(gfx::Range(4, 10), range_max);
- gfx::Range italic_range = ClampRange(gfx::Range(7, 13), range_max);
-
- render_text_->SetText(new_contents);
- render_text_->SetColor(SK_ColorBLACK);
- render_text_->ApplyColor(0xFFFF0000, color_range);
- render_text_->SetStyle(gfx::DIAGONAL_STRIKE, false);
- render_text_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, color_range);
- render_text_->SetStyle(gfx::UNDERLINE, false);
- render_text_->ApplyStyle(gfx::UNDERLINE, true, color_range);
- render_text_->ApplyStyle(gfx::BOLD, true, bold_range);
- render_text_->ApplyStyle(gfx::ITALIC, true, italic_range);
- InvalidateLayout();
- }
-
- private:
- virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override {
- gfx::Rect bounds = GetLocalBounds();
- bounds.Inset(GetInsets());
- render_text_->SetDisplayRect(bounds);
- }
-
- scoped_ptr<gfx::RenderText> render_text_;
-
- DISALLOW_COPY_AND_ASSIGN(RenderTextView);
-};
-
-MultilineExample::MultilineExample()
- : ExampleBase("Multiline RenderText"),
- render_text_view_(NULL),
- label_(NULL),
- textfield_(NULL),
- label_checkbox_(NULL) {
-}
-
-MultilineExample::~MultilineExample() {
-}
-
-void MultilineExample::CreateExampleView(View* container) {
- const base::string16 kTestString = base::WideToUTF16(L"qwerty"
- L"\x627\x644\x631\x626\x64A\x633\x64A\x629"
- L"asdfgh");
-
- render_text_view_ = new RenderTextView();
- render_text_view_->SetText(kTestString);
-
- label_ = new PreferredSizeLabel();
- label_->SetText(kTestString);
- label_->SetMultiLine(true);
- label_->SetBorder(Border::CreateSolidBorder(2, SK_ColorCYAN));
-
- label_checkbox_ = new Checkbox(ASCIIToUTF16("views::Label:"));
- label_checkbox_->SetChecked(true);
- label_checkbox_->set_listener(this);
- label_checkbox_->set_request_focus_on_press(false);
-
- textfield_ = new Textfield();
- textfield_->set_controller(this);
- textfield_->SetText(kTestString);
-
- GridLayout* layout = new GridLayout(container);
- container->SetLayoutManager(layout);
-
- ColumnSet* column_set = layout->AddColumnSet(0);
- column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
- 0.0f, GridLayout::USE_PREF, 0, 0);
- column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
- 1.0f, GridLayout::FIXED, 0, 0);
-
- layout->StartRow(0, 0);
- layout->AddView(new Label(ASCIIToUTF16("gfx::RenderText:")));
- layout->AddView(render_text_view_);
-
- layout->StartRow(0, 0);
- layout->AddView(label_checkbox_);
- layout->AddView(label_);
-
- layout->StartRow(0, 0);
- layout->AddView(new Label(ASCIIToUTF16("Sample Text:")));
- layout->AddView(textfield_);
-}
-
-void MultilineExample::ContentsChanged(Textfield* sender,
- const base::string16& new_contents) {
- render_text_view_->SetText(new_contents);
- if (label_checkbox_->checked())
- label_->SetText(new_contents);
- container()->Layout();
- container()->SchedulePaint();
-}
-
-void MultilineExample::ButtonPressed(Button* sender, const ui::Event& event) {
- DCHECK_EQ(sender, label_checkbox_);
- label_->SetText(label_checkbox_->checked() ? textfield_->text() :
- base::string16());
- container()->Layout();
- container()->SchedulePaint();
-}
-
-} // namespace examples
-} // namespace views
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