electron/shell/browser/ui/views/submenu_button.cc

101 lines
3.3 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/ui/views/submenu_button.h"
#include <memory>
#include <utility>
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_utils.h"
#include "ui/gfx/text_utils.h"
#include "ui/views/animation/flood_fill_ink_drop_ripple.h"
#include "ui/views/animation/ink_drop_host_view.h"
#include "ui/views/animation/ink_drop_impl.h"
#include "ui/views/controls/button/label_button_border.h"
namespace electron {
SubmenuButton::SubmenuButton(PressedCallback callback,
const std::u16string& title,
const SkColor& background_color)
: views::MenuButton(callback, gfx::RemoveAccelerator(title)),
background_color_(background_color) {
#if defined(OS_LINUX)
// Dont' use native style border.
SetBorder(CreateDefaultBorder());
#endif
if (GetUnderlinePosition(title, &accelerator_, &underline_start_,
&underline_end_))
gfx::Canvas::SizeStringInt(GetText(), gfx::FontList(), &text_width_,
&text_height_, 0, 0);
SetInkDropMode(InkDropMode::ON);
SetInkDropBaseColor(
color_utils::BlendTowardMaxContrast(background_color_, 0x81));
views::InkDrop::UseInkDropForFloodFillRipple(this, false, true);
}
SubmenuButton::~SubmenuButton() = default;
void SubmenuButton::SetAcceleratorVisibility(bool visible) {
if (visible == show_underline_)
return;
show_underline_ = visible;
SchedulePaint();
}
void SubmenuButton::SetUnderlineColor(SkColor color) {
underline_color_ = color;
}
void SubmenuButton::GetAccessibleNodeData(ui::AXNodeData* node_data) {
node_data->SetName(GetAccessibleName());
node_data->role = ax::mojom::Role::kPopUpButton;
}
void SubmenuButton::PaintButtonContents(gfx::Canvas* canvas) {
views::MenuButton::PaintButtonContents(canvas);
if (show_underline_ && (underline_start_ != underline_end_)) {
float padding = (width() - text_width_) / 2;
float underline_height = (height() + text_height_) / 2 - 2;
canvas->DrawSharpLine(
gfx::PointF(underline_start_ + padding, underline_height),
gfx::PointF(underline_end_ + padding, underline_height),
underline_color_);
}
}
bool SubmenuButton::GetUnderlinePosition(const std::u16string& text,
char16_t* accelerator,
int* start,
int* end) const {
int pos, span;
std::u16string trimmed =
gfx::LocateAndRemoveAcceleratorChar(text, &pos, &span);
if (pos > -1 && span != 0) {
*accelerator = base::ToUpperASCII(trimmed[pos]);
GetCharacterPosition(trimmed, pos, start);
GetCharacterPosition(trimmed, pos + span, end);
return true;
}
return false;
}
void SubmenuButton::GetCharacterPosition(const std::u16string& text,
int index,
int* pos) const {
int height = 0;
gfx::Canvas::SizeStringInt(text.substr(0, index), gfx::FontList(), pos,
&height, 0, 0);
}
} // namespace electron