| // Copyright (c) 2006-2008 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. |
| |
| #ifndef GFX_INSETS_H_ |
| #define GFX_INSETS_H_ |
| #pragma once |
| |
| #include "build/build_config.h" |
| |
| #if defined(OS_POSIX) && !defined(OS_MACOSX) |
| #include <gtk/gtkstyle.h> |
| #endif |
| |
| #include <string> |
| |
| namespace gfx { |
| |
| // |
| // An insets represents the borders of a container (the space the container must |
| // leave at each of its edges). |
| // |
| |
| class Insets { |
| public: |
| Insets() : top_(0), left_(0), bottom_(0), right_(0) {} |
| Insets(int top, int left, int bottom, int right) |
| : top_(top), |
| left_(left), |
| bottom_(bottom), |
| right_(right) {} |
| #if defined(OS_POSIX) && !defined(OS_MACOSX) |
| explicit Insets(const GtkBorder& border) |
| : top_(border.top), |
| left_(border.left), |
| bottom_(border.bottom), |
| right_(border.right) {} |
| #endif |
| |
| ~Insets() {} |
| |
| int top() const { return top_; } |
| int left() const { return left_; } |
| int bottom() const { return bottom_; } |
| int right() const { return right_; } |
| |
| // Returns the total width taken up by the insets, which is the sum of the |
| // left and right insets. |
| int width() const { return left_ + right_; } |
| |
| // Returns the total height taken up by the insets, which is the sum of the |
| // top and bottom insets. |
| int height() const { return top_ + bottom_; } |
| |
| // Returns true if the insets are empty. |
| bool empty() const { return width() == 0 && height() == 0; } |
| |
| void Set(int top, int left, int bottom, int right) { |
| top_ = top; |
| left_ = left; |
| bottom_ = bottom; |
| right_ = right; |
| } |
| |
| bool operator==(const Insets& insets) const { |
| return top_ == insets.top_ && left_ == insets.left_ && |
| bottom_ == insets.bottom_ && right_ == insets.right_; |
| } |
| |
| bool operator!=(const Insets& insets) const { |
| return !(*this == insets); |
| } |
| |
| Insets& operator+=(const Insets& insets) { |
| top_ += insets.top_; |
| left_ += insets.left_; |
| bottom_ += insets.bottom_; |
| right_ += insets.right_; |
| return *this; |
| } |
| |
| // Returns a string representation of the insets. |
| std::string ToString() const; |
| |
| private: |
| int top_; |
| int left_; |
| int bottom_; |
| int right_; |
| }; |
| |
| } // namespace gfx |
| |
| #endif // GFX_INSETS_H_ |