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#import <Cocoa/Cocoa.h>

#include "protocol/candidate_window.pb.h"
#include "protocol/renderer_command.pb.h"

namespace mozc {
namespace client {
class SendCommandInterface;
}  // namespace mozc::client

namespace renderer {
class TableLayout;
class RendererStyle;
}  // namespace mozc::renderer
}  // namespace mozc

// usage type for each column.
enum COLUMN_TYPE {
  COLUMN_SHORTCUT = 0,  // show shortcut key
  COLUMN_GAP1,          // padding region 1
  COLUMN_CANDIDATE,     // show candidate string
  COLUMN_DESCRIPTION,   // show description message
  NUMBER_OF_COLUMNS,    // number of columns. (this item should be last)
};

// CandidateView is an NSView subclass to draw the candidate window
// according to the current candidates.
@interface CandidateView : NSView

// setCandidateWindow: sets the candidate window to be rendered.
- (void)setCandidateWindow:(const mozc::commands::CandidateWindow *)candidate_window;

// setController: sets the reference of MozcImkInputController.
// It will be used when mouse clicks.  It doesn't take ownerships of
// |controller|.
- (void)setSendCommandInterface:(mozc::client::SendCommandInterface *)command_sender;

// Checks the |candidates_| and recalculates the layout using |tableLayout_|.
// It also returns the size which is necessary to draw all GUI elements.
- (NSSize)updateLayout;

// Returns the table layout of the current candidates.
- (const mozc::renderer::TableLayout *)tableLayout;
@end
