diff options
Diffstat (limited to 'tikzit/src/gtk/HandTool.m')
-rw-r--r-- | tikzit/src/gtk/HandTool.m | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tikzit/src/gtk/HandTool.m b/tikzit/src/gtk/HandTool.m new file mode 100644 index 0000000..830fc28 --- /dev/null +++ b/tikzit/src/gtk/HandTool.m @@ -0,0 +1,75 @@ +/* + * 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 Tool"; } +- (const gchar*) stockIcon { 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 |