src/renderer/mac/InfolistView.mm - mozc - Git at Google

 // Copyright 2010-2015, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 #include <set>

 #import "renderer/mac/InfolistView.h"

 #include "base/logging.h"
 #include "base/mutex.h"
 #include "client/client_interface.h"
 #include "renderer/mac/mac_view_util.h"
 #include "renderer/table_layout.h"
 #include "session/commands.pb.h"
 #include "renderer/renderer_style.pb.h"
 #include "renderer/renderer_style_handler.h"

 using mozc::client::SendCommandInterface;
 using mozc::commands::Candidates;
 using mozc::commands::Output;
 using mozc::commands::SessionCommand;
 using mozc::commands::Information;
 using mozc::commands::InformationList;
 using mozc::renderer::RendererStyle;
 using mozc::renderer::RendererStyleHandler;
 using mozc::renderer::mac::MacViewUtil;
 using mozc::once_t;
 using mozc::CallOnce;

 // Private method declarations.
 @interface InfolistView ()
 // Draw the |row|-th row and return the height of it.
 // If draw_flag is true, it does not draw but only calculate the size.
 - (CGFloat)drawRow:(int)row ypos:(CGFloat)ypos draw_flag:(bool)draw_flag;

 // Draw view and return the size of it.
 // If draw_flag is true, it does not draw but only calculate the size.
 - (NSSize)drawView:(bool)draw_flag;
 @end

 @implementation InfolistView
 #pragma mark initialization

 - (id)initWithFrame:(NSRect)frame {
   self = [super initWithFrame:frame];
   if (self) {
     RendererStyle *style = new(nothrow)RendererStyle;
     if (style) {
       RendererStyleHandler::GetRendererStyle(style);
     }
     style_ = style;
   }

   if (!style_) {
     [self release];
     self = nil;
   }
   return self;
 }

 - (void)setCandidates:(const Candidates *)candidates {
   candidates_.CopyFrom(*candidates);
 }

 - (BOOL)isFlipped {
   return YES;
 }

 - (void)dealloc {
   [super dealloc];
 }

 #pragma mark drawing
 - (CGFloat)drawRow:(int)row ypos:(CGFloat)ypos draw_flag:(bool)draw_flag{
   const RendererStyle::InfolistStyle &infostyle = style_->infolist_style();
   const InformationList &usages = candidates_.usages();
   const RendererStyle::TextStyle &title_style = infostyle.title_style();
   const RendererStyle::TextStyle &desc_style = infostyle.description_style();
   const int title_width = infostyle.window_width() -
       title_style.left_padding() - title_style.right_padding() -
       infostyle.window_border() * 2 -
       infostyle.row_rect_padding() * 2;
   const int desc_width = infostyle.window_width() -
       desc_style.left_padding() - desc_style.right_padding() -
       infostyle.window_border() * 2 -
       infostyle.row_rect_padding() * 2;
   const NSSize title_size = NSMakeSize(title_width,1000);
   const NSSize desc_size = NSMakeSize(desc_width,1000);
   const Information &info = usages.information(row);

   NSAttributedString *title_string = MacViewUtil::ToNSAttributedString(
       info.title(), title_style);
   NSAttributedString *desc_string = MacViewUtil::ToNSAttributedString(
       info.description(), desc_style);
   NSRect title_rect = [title_string boundingRectWithSize:title_size
                           options:NSStringDrawingUsesLineFragmentOrigin];
   NSRect desc_rect = [desc_string boundingRectWithSize:desc_size
                          options:NSStringDrawingUsesLineFragmentOrigin];
   CGFloat height = title_rect.size.height + desc_rect.size.height +
                    infostyle.row_rect_padding() * 2;

   if (!draw_flag) {
     return height;
   }
   title_rect.origin.x = infostyle.window_border() +
                         infostyle.row_rect_padding() +
                         title_style.left_padding();
   title_rect.origin.y = ypos + infostyle.row_rect_padding();
   desc_rect.origin.x =  infostyle.window_border() +
                         infostyle.row_rect_padding() +
                         desc_style.left_padding();
   desc_rect.origin.y = ypos + infostyle.row_rect_padding() +
                        title_rect.size.height;

   if (usages.has_focused_index() && (row == usages.focused_index())) {
     NSRect focused_rect = NSMakeRect(infostyle.window_border(), ypos,
         infostyle.window_width() - infostyle.window_border() * 2,
         title_rect.size.height + desc_rect.size.height
          + infostyle.row_rect_padding() * 2);
     [MacViewUtil::ToNSColor(infostyle.focused_background_color()) set];
     [NSBezierPath fillRect:focused_rect];
     [MacViewUtil::ToNSColor(infostyle.focused_border_color()) set];
     // Fix the border position.  Because a line should be drawn at the
     // middle point of the pixel, origin should be shifted by 0.5 unit
     // and the size should be shrinked by 1.0 unit.
     focused_rect.origin.x += 0.5;
     focused_rect.origin.y += 0.5;
     focused_rect.size.width -= 1.0;
     focused_rect.size.height -= 1.0;
     [NSBezierPath strokeRect:focused_rect];
   } else {
     if (title_style.has_background_color()) {
       NSRect rect = NSMakeRect(infostyle.window_border(), ypos,
           infostyle.window_width() - infostyle.window_border() * 2,
           title_rect.size.height + infostyle.row_rect_padding());
       [MacViewUtil::ToNSColor(title_style.background_color()) set];
       [NSBezierPath fillRect:rect];
     }
     if (desc_style.has_background_color()) {
       NSRect rect = NSMakeRect(infostyle.window_border(),
           ypos + title_rect.size.height + infostyle.row_rect_padding(),
           infostyle.window_width() - infostyle.window_border() * 2,
           desc_rect.size.height + infostyle.row_rect_padding());
       [MacViewUtil::ToNSColor(desc_style.background_color()) set];
       [NSBezierPath fillRect:rect];
     }
   }
   [title_string drawWithRect:title_rect
       options:NSStringDrawingUsesLineFragmentOrigin];
   [desc_string drawWithRect:desc_rect
       options:NSStringDrawingUsesLineFragmentOrigin];
   return height;
 }

 - (NSSize)drawView:(bool)draw_flag {
   if (!candidates_.has_usages()) {
     return NSMakeSize(0,0);
   }

   NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

   const RendererStyle::InfolistStyle &infostyle = style_->infolist_style();
   const InformationList &usages = candidates_.usages();

   int ypos = infostyle.window_border();

   if (draw_flag && infostyle.has_caption_string()) {
     const RendererStyle::TextStyle &caption_style =
       infostyle.caption_style();
     const int caption_height = infostyle.caption_height();
     NSAttributedString *caption_string = MacViewUtil::ToNSAttributedString(
       infostyle.caption_string(), caption_style);
     NSRect rect = NSMakeRect(infostyle.window_border(),
       ypos,
       infostyle.window_width() - infostyle.window_border() * 2,
       caption_height);
     [MacViewUtil::ToNSColor(infostyle.caption_background_color()) set];
     [NSBezierPath fillRect:rect];
     rect = NSMakeRect(
       infostyle.window_border() + infostyle.caption_padding()
       + caption_style.left_padding(),
       ypos + infostyle.caption_padding(),
       infostyle.window_width() - infostyle.window_border() * 2,
       caption_height);
     [caption_string drawWithRect:rect
         options:NSStringDrawingUsesLineFragmentOrigin];
   }
   ypos += infostyle.caption_height();
   for (int i = 0; i < usages.information_size(); ++i) {
     ypos += [self drawRow:i ypos:ypos draw_flag:draw_flag];
   }
   ypos += infostyle.window_border();

   if (draw_flag) {
     [MacViewUtil::ToNSColor(infostyle.border_color()) set];
     [NSBezierPath setDefaultLineWidth:infostyle.window_border()];
     [NSBezierPath setDefaultLineJoinStyle:NSMiterLineJoinStyle];
     [NSBezierPath
       strokeRect:NSMakeRect(0.5, 0.5, infostyle.window_width() - 1, ypos - 1)];
   }

   [pool drain];
   return NSMakeSize(infostyle.window_width(),ypos);
 }

 - (NSSize)updateLayout {
   return [self drawView:false];
 }

 - (void)drawRect:(NSRect)rect {
   [self drawView:true];
 }

 @end
	// Copyright 2010-2015, Google Inc.
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are
	// met:
	//
	// * Redistributions of source code must retain the above copyright
	// notice, this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above
	// copyright notice, this list of conditions and the following disclaimer
	// in the documentation and/or other materials provided with the
	// distribution.
	// * Neither the name of Google Inc. nor the names of its
	// contributors may be used to endorse or promote products derived from
	// this software without specific prior written permission.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	#include <set>

	#import "renderer/mac/InfolistView.h"

	#include "base/logging.h"
	#include "base/mutex.h"
	#include "client/client_interface.h"
	#include "renderer/mac/mac_view_util.h"
	#include "renderer/table_layout.h"
	#include "session/commands.pb.h"
	#include "renderer/renderer_style.pb.h"
	#include "renderer/renderer_style_handler.h"

	using mozc::client::SendCommandInterface;
	using mozc::commands::Candidates;
	using mozc::commands::Output;
	using mozc::commands::SessionCommand;
	using mozc::commands::Information;
	using mozc::commands::InformationList;
	using mozc::renderer::RendererStyle;
	using mozc::renderer::RendererStyleHandler;
	using mozc::renderer::mac::MacViewUtil;
	using mozc::once_t;
	using mozc::CallOnce;

	// Private method declarations.
	@interface InfolistView ()
	// Draw the \|row\|-th row and return the height of it.
	// If draw_flag is true, it does not draw but only calculate the size.
	- (CGFloat)drawRow:(int)row ypos:(CGFloat)ypos draw_flag:(bool)draw_flag;

	// Draw view and return the size of it.
	// If draw_flag is true, it does not draw but only calculate the size.
	- (NSSize)drawView:(bool)draw_flag;
	@end

	@implementation InfolistView
	#pragma mark initialization

	- (id)initWithFrame:(NSRect)frame {
	self = [super initWithFrame:frame];
	if (self) {
	RendererStyle *style = new(nothrow)RendererStyle;
	if (style) {
	RendererStyleHandler::GetRendererStyle(style);
	}
	style_ = style;
	}

	if (!style_) {
	[self release];
	self = nil;
	}
	return self;
	}

	- (void)setCandidates:(const Candidates *)candidates {
	candidates_.CopyFrom(*candidates);
	}

	- (BOOL)isFlipped {
	return YES;
	}

	- (void)dealloc {
	[super dealloc];
	}

	#pragma mark drawing
	- (CGFloat)drawRow:(int)row ypos:(CGFloat)ypos draw_flag:(bool)draw_flag{
	const RendererStyle::InfolistStyle &infostyle = style_->infolist_style();
	const InformationList &usages = candidates_.usages();
	const RendererStyle::TextStyle &title_style = infostyle.title_style();
	const RendererStyle::TextStyle &desc_style = infostyle.description_style();
	const int title_width = infostyle.window_width() -
	title_style.left_padding() - title_style.right_padding() -
	infostyle.window_border() * 2 -
	infostyle.row_rect_padding() * 2;
	const int desc_width = infostyle.window_width() -
	desc_style.left_padding() - desc_style.right_padding() -
	infostyle.window_border() * 2 -
	infostyle.row_rect_padding() * 2;
	const NSSize title_size = NSMakeSize(title_width,1000);
	const NSSize desc_size = NSMakeSize(desc_width,1000);
	const Information &info = usages.information(row);

	NSAttributedString *title_string = MacViewUtil::ToNSAttributedString(
	info.title(), title_style);
	NSAttributedString *desc_string = MacViewUtil::ToNSAttributedString(
	info.description(), desc_style);
	NSRect title_rect = [title_string boundingRectWithSize:title_size
	options:NSStringDrawingUsesLineFragmentOrigin];
	NSRect desc_rect = [desc_string boundingRectWithSize:desc_size
	options:NSStringDrawingUsesLineFragmentOrigin];
	CGFloat height = title_rect.size.height + desc_rect.size.height +
	infostyle.row_rect_padding() * 2;

	if (!draw_flag) {
	return height;
	}
	title_rect.origin.x = infostyle.window_border() +
	infostyle.row_rect_padding() +
	title_style.left_padding();
	title_rect.origin.y = ypos + infostyle.row_rect_padding();
	desc_rect.origin.x = infostyle.window_border() +
	infostyle.row_rect_padding() +
	desc_style.left_padding();
	desc_rect.origin.y = ypos + infostyle.row_rect_padding() +
	title_rect.size.height;

	if (usages.has_focused_index() && (row == usages.focused_index())) {
	NSRect focused_rect = NSMakeRect(infostyle.window_border(), ypos,
	infostyle.window_width() - infostyle.window_border() * 2,
	title_rect.size.height + desc_rect.size.height
	+ infostyle.row_rect_padding() * 2);
	[MacViewUtil::ToNSColor(infostyle.focused_background_color()) set];
	[NSBezierPath fillRect:focused_rect];
	[MacViewUtil::ToNSColor(infostyle.focused_border_color()) set];
	// Fix the border position. Because a line should be drawn at the
	// middle point of the pixel, origin should be shifted by 0.5 unit
	// and the size should be shrinked by 1.0 unit.
	focused_rect.origin.x += 0.5;
	focused_rect.origin.y += 0.5;
	focused_rect.size.width -= 1.0;
	focused_rect.size.height -= 1.0;
	[NSBezierPath strokeRect:focused_rect];
	} else {
	if (title_style.has_background_color()) {
	NSRect rect = NSMakeRect(infostyle.window_border(), ypos,
	infostyle.window_width() - infostyle.window_border() * 2,
	title_rect.size.height + infostyle.row_rect_padding());
	[MacViewUtil::ToNSColor(title_style.background_color()) set];
	[NSBezierPath fillRect:rect];
	}
	if (desc_style.has_background_color()) {
	NSRect rect = NSMakeRect(infostyle.window_border(),
	ypos + title_rect.size.height + infostyle.row_rect_padding(),
	infostyle.window_width() - infostyle.window_border() * 2,
	desc_rect.size.height + infostyle.row_rect_padding());
	[MacViewUtil::ToNSColor(desc_style.background_color()) set];
	[NSBezierPath fillRect:rect];
	}
	}
	[title_string drawWithRect:title_rect
	options:NSStringDrawingUsesLineFragmentOrigin];
	[desc_string drawWithRect:desc_rect
	options:NSStringDrawingUsesLineFragmentOrigin];
	return height;
	}

	- (NSSize)drawView:(bool)draw_flag {
	if (!candidates_.has_usages()) {
	return NSMakeSize(0,0);
	}

	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

	const RendererStyle::InfolistStyle &infostyle = style_->infolist_style();
	const InformationList &usages = candidates_.usages();

	int ypos = infostyle.window_border();

	if (draw_flag && infostyle.has_caption_string()) {
	const RendererStyle::TextStyle &caption_style =
	infostyle.caption_style();
	const int caption_height = infostyle.caption_height();
	NSAttributedString *caption_string = MacViewUtil::ToNSAttributedString(
	infostyle.caption_string(), caption_style);
	NSRect rect = NSMakeRect(infostyle.window_border(),
	ypos,
	infostyle.window_width() - infostyle.window_border() * 2,
	caption_height);
	[MacViewUtil::ToNSColor(infostyle.caption_background_color()) set];
	[NSBezierPath fillRect:rect];
	rect = NSMakeRect(
	infostyle.window_border() + infostyle.caption_padding()
	+ caption_style.left_padding(),
	ypos + infostyle.caption_padding(),
	infostyle.window_width() - infostyle.window_border() * 2,
	caption_height);
	[caption_string drawWithRect:rect
	options:NSStringDrawingUsesLineFragmentOrigin];
	}
	ypos += infostyle.caption_height();
	for (int i = 0; i < usages.information_size(); ++i) {
	ypos += [self drawRow:i ypos:ypos draw_flag:draw_flag];
	}
	ypos += infostyle.window_border();

	if (draw_flag) {
	[MacViewUtil::ToNSColor(infostyle.border_color()) set];
	[NSBezierPath setDefaultLineWidth:infostyle.window_border()];
	[NSBezierPath setDefaultLineJoinStyle:NSMiterLineJoinStyle];
	[NSBezierPath
	strokeRect:NSMakeRect(0.5, 0.5, infostyle.window_width() - 1, ypos - 1)];
	}

	[pool drain];
	return NSMakeSize(infostyle.window_width(),ypos);
	}

	- (NSSize)updateLayout {
	return [self drawView:false];
	}

	- (void)drawRect:(NSRect)rect {
	[self drawView:true];
	}

	@end