98 lines
3 KiB
C++
98 lines
3 KiB
C++
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "atom/browser/ui/views/submenu_button.h"
|
|
|
|
#include "base/strings/string_util.h"
|
|
#include "base/strings/utf_string_conversions.h"
|
|
#include "ui/gfx/canvas.h"
|
|
#include "ui/gfx/text_utils.h"
|
|
#include "ui/views/controls/button/label_button_border.h"
|
|
|
|
namespace atom {
|
|
|
|
namespace {
|
|
|
|
// Filter out the "&" in menu label.
|
|
base::string16 FilterAccecelator(const base::string16& label) {
|
|
base::string16 out;
|
|
base::RemoveChars(label, base::ASCIIToUTF16("&").c_str(), &out);
|
|
return out;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
SubmenuButton::SubmenuButton(views::ButtonListener* listener,
|
|
const base::string16& title,
|
|
views::MenuButtonListener* menu_button_listener)
|
|
: views::MenuButton(listener, FilterAccecelator(title),
|
|
menu_button_listener, false),
|
|
accelerator_(0),
|
|
show_underline_(false),
|
|
underline_start_(-1),
|
|
underline_end_(-1),
|
|
text_width_(0),
|
|
text_height_(0),
|
|
underline_color_(SK_ColorBLACK) {
|
|
#if defined(OS_LINUX)
|
|
// Dont' use native style border.
|
|
SetBorder(CreateDefaultBorder().PassAs<views::Border>());
|
|
#endif
|
|
|
|
if (GetUnderlinePosition(title, &accelerator_, &underline_start_,
|
|
&underline_end_))
|
|
gfx::Canvas::SizeStringInt(GetText(), GetFontList(), &text_width_,
|
|
&text_height_, 0, 0);
|
|
}
|
|
|
|
SubmenuButton::~SubmenuButton() {
|
|
}
|
|
|
|
void SubmenuButton::SetAcceleratorVisibility(bool visible) {
|
|
if (visible == show_underline_)
|
|
return;
|
|
|
|
show_underline_ = visible;
|
|
SchedulePaint();
|
|
}
|
|
|
|
void SubmenuButton::SetUnderlineColor(SkColor color) {
|
|
underline_color_ = color;
|
|
}
|
|
|
|
void SubmenuButton::OnPaint(gfx::Canvas* canvas) {
|
|
views::MenuButton::OnPaint(canvas);
|
|
|
|
if (show_underline_ && (underline_start_ != underline_end_)) {
|
|
int padding = (width() - text_width_) / 2;
|
|
int underline_height = (height() + text_height_) / 2 - 2;
|
|
canvas->DrawLine(gfx::Point(underline_start_ + padding, underline_height),
|
|
gfx::Point(underline_end_ + padding, underline_height),
|
|
underline_color_);
|
|
}
|
|
}
|
|
|
|
bool SubmenuButton::GetUnderlinePosition(const base::string16& text,
|
|
base::char16* accelerator,
|
|
int* start, int* end) {
|
|
int pos, span;
|
|
base::string16 trimmed = gfx::RemoveAcceleratorChar(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 base::string16& text, int index, int* pos) {
|
|
int height;
|
|
gfx::Canvas::SizeStringInt(text.substr(0, index), GetFontList(), pos, &height,
|
|
0, 0);
|
|
}
|
|
|
|
} // namespace atom
|