Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 122 insertions, 0 deletions

diff --git a/khotkeys/shared/gestures.h b/khotkeys/shared/gestures.h
new file mode 100644
index 000000000..4c210528a
--- /dev/null
+++ b/khotkeys/shared/gestures.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+
+ KHotKeys
+ 
+ Copyright (C) 1999-2002 Lubos Lunak <l.lunak@kde.org>
+
+ Distributed under the terms of the GNU General Public License version 2.
+ 
+****************************************************************************/
+
+#ifndef _GESTURES_H_
+#define _GESTURES_H_
+
+#include <qwidget.h>
+#include <qtimer.h>
+
+#include <X11/Xlib.h>
+#include <fixx11h.h>
+
+#include "windows.h"
+
+namespace KHotKeys
+{
+
+class Gesture;
+KDE_EXPORT extern Gesture* gesture_handler;
+
+class KDE_EXPORT Stroke
+    {
+    public:
+    // maximum number of numbers in stroke
+        enum { MAX_SEQUENCE = 25 };
+    // largest number of points allowed to be sampled
+        enum { MAX_POINTS = 5000 };
+    // default percentage of sample points in a bin from all points to be valid
+        enum { MIN_BIN_POINTS_PERCENTAGE = 5 };
+    // default threshold of size of smaller axis needed for it to define its own bin size
+        enum { SCALE_RATIO = 4 };
+    // default number of sample points required to have a valid stroke
+        enum { MIN_POINTS = 10 };
+	Stroke();
+	~Stroke();
+	bool record( int x, int y );
+	char* translate( int min_bin_points_percentage_P = MIN_BIN_POINTS_PERCENTAGE,
+            int scale_ratio_P = SCALE_RATIO, int min_points_P = MIN_POINTS ); // CHECKME returns ret_val ( see below )
+	void reset();
+    protected:
+	int bin( int x, int y );
+	// metrics for input stroke
+	int min_x, min_y;
+	int max_x, max_y;
+	int point_count;
+	int delta_x, delta_y;
+	int bound_x_1, bound_x_2;
+	int bound_y_1, bound_y_2;
+	struct point
+	    {
+	    int x;
+	    int y;
+	    };
+	point* points;
+	char ret_val[ MAX_SEQUENCE ];
+    };
+
+class KDE_EXPORT Gesture
+    : public QWidget // not QObject because of x11EventFilter()
+    {
+    Q_OBJECT
+    public:
+        Gesture( bool enabled_P, QObject* parent_P );
+        virtual ~Gesture();
+        void enable( bool enable_P );
+        void set_mouse_button( unsigned int button_P );
+        void set_timeout( int time_P );
+        void set_exclude( Windowdef_list* windows_P );
+        void register_handler( QObject* receiver_P, const char* slot_P );
+        void unregister_handler( QObject* receiver_P, const char* slot_P );
+    protected:
+	virtual bool x11Event( XEvent* ev_P );
+    private slots:
+        void stroke_timeout();
+        void active_window_changed( WId window_P );
+    signals:
+        void handle_gesture( const QString &gesture, WId window );
+    private:
+        void update_grab();
+        void grab_mouse( bool grab_P );
+        void mouse_replay( bool release_P );
+        bool _enabled;
+        Stroke stroke;
+        int start_x, start_y;
+        QTimer nostroke_timer;
+        bool recording;
+        unsigned int button;
+        int timeout;
+        WId gesture_window;
+        Windowdef_list* exclude;
+        QMap< QObject*, bool > handlers; // bool is just a dummy
+    };
+
+// Gesture class must be QWidget derived because of x11Event()
+// but it should be QObject owned -> use a QObject proxy that will delete it
+class DeleteObject
+    : public QObject
+    {
+    Q_OBJECT
+    public:
+        DeleteObject( QWidget* widget_P, QObject* parent_P )
+            : QObject( parent_P ), widget( widget_P ) {}
+        virtual ~DeleteObject() { delete widget; }
+    private:
+        QWidget* widget;
+    };
+    
+
+//***************************************************************************
+// Inline
+//***************************************************************************
+
+} // namespace KHotKeys
+
+#endif