1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gtk.GestureRotate; 26 27 private import glib.ConstructionException; 28 private import gobject.ObjectG; 29 private import gobject.Signals; 30 private import gtk.Gesture; 31 private import gtk.Widget; 32 public import gtkc.gdktypes; 33 private import gtkc.gtk; 34 public import gtkc.gtktypes; 35 36 37 /** 38 * #GtkGestureRotate is a #GtkGesture implementation able to recognize 39 * 2-finger rotations, whenever the angle between both handled sequences 40 * changes, the #GtkGestureRotate::angle-changed signal is emitted. 41 */ 42 public class GestureRotate : Gesture 43 { 44 /** the main Gtk struct */ 45 protected GtkGestureRotate* gtkGestureRotate; 46 47 /** Get the main Gtk struct */ 48 public GtkGestureRotate* getGestureRotateStruct() 49 { 50 return gtkGestureRotate; 51 } 52 53 /** the main Gtk struct as a void* */ 54 protected override void* getStruct() 55 { 56 return cast(void*)gtkGestureRotate; 57 } 58 59 protected override void setStruct(GObject* obj) 60 { 61 gtkGestureRotate = cast(GtkGestureRotate*)obj; 62 super.setStruct(obj); 63 } 64 65 /** 66 * Sets our main struct and passes it to the parent class. 67 */ 68 public this (GtkGestureRotate* gtkGestureRotate, bool ownedRef = false) 69 { 70 this.gtkGestureRotate = gtkGestureRotate; 71 super(cast(GtkGesture*)gtkGestureRotate, ownedRef); 72 } 73 74 75 /** */ 76 public static GType getType() 77 { 78 return gtk_gesture_rotate_get_type(); 79 } 80 81 /** 82 * Returns a newly created #GtkGesture that recognizes 2-touch 83 * rotation gestures. 84 * 85 * Params: 86 * widget = a #GtkWidget 87 * 88 * Return: a newly created #GtkGestureRotate 89 * 90 * Since: 3.14 91 * 92 * Throws: ConstructionException GTK+ fails to create the object. 93 */ 94 public this(Widget widget) 95 { 96 auto p = gtk_gesture_rotate_new((widget is null) ? null : widget.getWidgetStruct()); 97 98 if(p is null) 99 { 100 throw new ConstructionException("null returned by new"); 101 } 102 103 this(cast(GtkGestureRotate*) p, true); 104 } 105 106 /** 107 * If @gesture is active, this function returns the angle difference 108 * in radians since the gesture was first recognized. If @gesture is 109 * not active, 0 is returned. 110 * 111 * Return: the angle delta in radians 112 * 113 * Since: 3.14 114 */ 115 public double getAngleDelta() 116 { 117 return gtk_gesture_rotate_get_angle_delta(gtkGestureRotate); 118 } 119 120 int[string] connectedSignals; 121 122 void delegate(double, double, GestureRotate)[] onAngleChangedListeners; 123 /** 124 * This signal is emitted when the angle between both tracked points 125 * changes. 126 * 127 * Params: 128 * angle = Current angle in radians 129 * angleDelta = Difference with the starting angle, in radians 130 * 131 * Since: 3.14 132 */ 133 void addOnAngleChanged(void delegate(double, double, GestureRotate) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 134 { 135 if ( "angle-changed" !in connectedSignals ) 136 { 137 Signals.connectData( 138 this, 139 "angle-changed", 140 cast(GCallback)&callBackAngleChanged, 141 cast(void*)this, 142 null, 143 connectFlags); 144 connectedSignals["angle-changed"] = 1; 145 } 146 onAngleChangedListeners ~= dlg; 147 } 148 extern(C) static void callBackAngleChanged(GtkGestureRotate* gesturerotateStruct, double angle, double angleDelta, GestureRotate _gesturerotate) 149 { 150 foreach ( void delegate(double, double, GestureRotate) dlg; _gesturerotate.onAngleChangedListeners ) 151 { 152 dlg(angle, angleDelta, _gesturerotate); 153 } 154 } 155 }