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 77 public static GType getType() 78 { 79 return gtk_gesture_rotate_get_type(); 80 } 81 82 /** 83 * Returns a newly created #GtkGesture that recognizes 2-touch 84 * rotation gestures. 85 * 86 * Params: 87 * widget = a #GtkWidget 88 * 89 * Return: a newly created #GtkGestureRotate 90 * 91 * Since: 3.14 92 * 93 * Throws: ConstructionException GTK+ fails to create the object. 94 */ 95 public this(Widget widget) 96 { 97 auto p = gtk_gesture_rotate_new((widget is null) ? null : widget.getWidgetStruct()); 98 99 if(p is null) 100 { 101 throw new ConstructionException("null returned by new"); 102 } 103 104 this(cast(GtkGestureRotate*) p, true); 105 } 106 107 /** 108 * If @gesture is active, this function returns the angle difference 109 * in radians since the gesture was first recognized. If @gesture is 110 * not active, 0 is returned. 111 * 112 * Return: the angle delta in radians 113 * 114 * Since: 3.14 115 */ 116 public double getAngleDelta() 117 { 118 return gtk_gesture_rotate_get_angle_delta(gtkGestureRotate); 119 } 120 121 int[string] connectedSignals; 122 123 void delegate(double, double, GestureRotate)[] onAngleChangedListeners; 124 /** 125 * This signal is emitted when the angle between both tracked points 126 * changes. 127 * 128 * Params: 129 * angle = Current angle in radians 130 * angleDelta = Difference with the starting angle, in radians 131 * 132 * Since: 3.14 133 */ 134 void addOnAngleChanged(void delegate(double, double, GestureRotate) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 135 { 136 if ( "angle-changed" !in connectedSignals ) 137 { 138 Signals.connectData( 139 this, 140 "angle-changed", 141 cast(GCallback)&callBackAngleChanged, 142 cast(void*)this, 143 null, 144 connectFlags); 145 connectedSignals["angle-changed"] = 1; 146 } 147 onAngleChangedListeners ~= dlg; 148 } 149 extern(C) static void callBackAngleChanged(GtkGestureRotate* gesturerotateStruct, double angle, double angleDelta, GestureRotate _gesturerotate) 150 { 151 foreach ( void delegate(double, double, GestureRotate) dlg; _gesturerotate.onAngleChangedListeners ) 152 { 153 dlg(angle, angleDelta, _gesturerotate); 154 } 155 } 156 }