114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/ui/views/submenu_button.h"
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#include "base/strings/string_util.h"
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#include "base/strings/utf_string_conversions.h"
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#include "ui/gfx/canvas.h"
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#include "ui/gfx/color_utils.h"
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#include "ui/gfx/text_utils.h"
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#include "ui/views/animation/flood_fill_ink_drop_ripple.h"
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#include "ui/views/animation/ink_drop_host_view.h"
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#include "ui/views/animation/ink_drop_impl.h"
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#include "ui/views/controls/button/label_button_border.h"
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namespace atom {
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SubmenuButton::SubmenuButton(const base::string16& title,
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views::MenuButtonListener* menu_button_listener,
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const SkColor& background_color)
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: views::MenuButton(gfx::RemoveAcceleratorChar(title, '&', NULL, NULL),
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menu_button_listener, false),
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accelerator_(0),
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show_underline_(false),
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underline_start_(0),
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underline_end_(0),
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text_width_(0),
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text_height_(0),
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underline_color_(SK_ColorBLACK),
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background_color_(background_color) {
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#if defined(OS_LINUX)
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// Dont' use native style border.
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SetBorder(std::move(CreateDefaultBorder()));
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#endif
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if (GetUnderlinePosition(title, &accelerator_, &underline_start_,
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&underline_end_))
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gfx::Canvas::SizeStringInt(GetText(), gfx::FontList(), &text_width_,
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&text_height_, 0, 0);
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SetInkDropMode(InkDropMode::ON);
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set_ink_drop_base_color(
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color_utils::BlendTowardOppositeLuma(background_color_, 0x61));
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}
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SubmenuButton::~SubmenuButton() {
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}
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std::unique_ptr<views::InkDropRipple> SubmenuButton::CreateInkDropRipple()
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const {
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std::unique_ptr<views::InkDropRipple> ripple(
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new views::FloodFillInkDropRipple(
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size(),
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GetInkDropCenterBasedOnLastEvent(),
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GetInkDropBaseColor(),
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ink_drop_visible_opacity()));
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return ripple;
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}
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std::unique_ptr<views::InkDrop> SubmenuButton::CreateInkDrop() {
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std::unique_ptr<views::InkDropImpl> ink_drop =
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CustomButton::CreateDefaultInkDropImpl();
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ink_drop->SetShowHighlightOnHover(false);
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return std::move(ink_drop);
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}
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void SubmenuButton::SetAcceleratorVisibility(bool visible) {
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if (visible == show_underline_)
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return;
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show_underline_ = visible;
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SchedulePaint();
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}
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void SubmenuButton::SetUnderlineColor(SkColor color) {
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underline_color_ = color;
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}
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void SubmenuButton::PaintButtonContents(gfx::Canvas* canvas) {
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views::MenuButton::PaintButtonContents(canvas);
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if (show_underline_ && (underline_start_ != underline_end_)) {
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int padding = (width() - text_width_) / 2;
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int underline_height = (height() + text_height_) / 2 - 2;
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canvas->DrawLine(gfx::Point(underline_start_ + padding, underline_height),
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gfx::Point(underline_end_ + padding, underline_height),
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underline_color_);
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}
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}
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bool SubmenuButton::GetUnderlinePosition(const base::string16& text,
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base::char16* accelerator,
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int* start, int* end) {
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int pos, span;
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base::string16 trimmed = gfx::RemoveAcceleratorChar(text, '&', &pos, &span);
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if (pos > -1 && span != 0) {
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*accelerator = base::ToUpperASCII(trimmed[pos]);
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GetCharacterPosition(trimmed, pos, start);
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GetCharacterPosition(trimmed, pos + span, end);
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return true;
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}
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return false;
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}
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void SubmenuButton::GetCharacterPosition(
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const base::string16& text, int index, int* pos) {
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int height = 0;
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gfx::Canvas::SizeStringInt(text.substr(0, index), gfx::FontList(), pos,
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&height, 0, 0);
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}
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} // namespace atom
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