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/*
* Copyright 2011-2012 Alex Merry <alex.merry@kdemail.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "HandTool.h"
#import "GraphRenderer.h"
#import "TikzDocument.h"
#import "tzstockitems.h"
@implementation HandTool
- (NSString*) name { return @"Drag"; }
- (const gchar*) stockId { return TIKZIT_STOCK_DRAG; }
- (NSString*) helpText { return @"Move the diagram to view different parts"; }
- (NSString*) shortcut { return @"m"; }
@synthesize activeRenderer=renderer;
+ (id) tool {
return [[[self alloc] init] autorelease];
}
- (id) init {
return [super init];
}
- (void) dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
[renderer release];
[super dealloc];
}
- (GtkWidget*) configurationWidget { return NULL; }
- (void) mousePressAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {
if (button != LeftButton)
return;
dragOrigin = pos;
oldGraphOrigin = [[renderer transformer] origin];
}
- (void) mouseMoveTo:(NSPoint)pos withButtons:(MouseButton)buttons andMask:(InputMask)mask {
if (!(buttons & LeftButton))
return;
NSPoint newGraphOrigin = oldGraphOrigin;
newGraphOrigin.x += pos.x - dragOrigin.x;
newGraphOrigin.y += pos.y - dragOrigin.y;
[[renderer transformer] setOrigin:newGraphOrigin];
[renderer invalidateGraph];
}
- (void) mouseReleaseAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {}
- (void) renderWithContext:(id<RenderContext>)context onSurface:(id<Surface>)surface {}
- (void) loadConfiguration:(Configuration*)config {}
- (void) saveConfiguration:(Configuration*)config {}
@end
// vim:ft=objc:ts=8:et:sts=4:sw=4
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