Initial C++ portHEADmaster

1 files changed, 198 insertions, 0 deletions

diff --git a/src/mousetrails.h b/src/mousetrails.h
new file mode 100644
index 0000000..c554184
--- /dev/null
+++ b/src/mousetrails.h
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+/*
+ *
+ * Compiz mouse cursor trails plugin
+ *
+ * mousetrails.h
+ *
+ * Copyright : (C) 2008 by Erik Johnson
+ * 
+ * From code originally written by Dennis Kasprzyk
+ *
+ * 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.
+ *
+ */
+
+#include <cmath>
+
+#include <core/core.h>
+#include <composite/composite.h>
+#include <opengl/opengl.h>
+#include <mousepoll/mousepoll.h>
+
+#include "mousetrails_options.h"
+
+// in theory the texture array size should be >= trail size
+#define TEXTURES_SIZE 51
+
+class Particle
+{
+    public:
+	//float life;			// particle life
+	float fade;			// fade speed
+	float width;			// particle width
+	float height;			// particle height
+	float w_mod;			// particle size modification during life
+	float h_mod;			// particle size modification during life
+	float r;			// red value
+	float g;			// green value
+	float b;			// blue value
+	float a;			// alpha value
+	float x;			// X position
+	float y;			// Y position
+	float z;			// Z position
+	float xd;
+	float yd;
+	int cursorIndex;		// array index of cursor serial number
+};
+
+class MouseCursor
+{
+    public:
+	GLuint texture;
+	unsigned long cursor_serial;
+	unsigned short xhot;
+	unsigned short yhot;
+	unsigned short width;
+	unsigned short height;
+};
+
+class ParticleSystem
+{
+    public:
+	int      mNumParticles;
+	Particle *mParticles;
+	float    mSlowdown;
+	float    mThreshold;
+	Bool     mActive;
+	int      mX, mY;
+	GLuint   mBlendMode;
+
+	int mLastx, mLasty;
+	float mDelta;
+	int mNumDisplayedParticles;
+	int mLastGen;
+	float mInitialAlpha;
+	int mSizeFactor;
+	Bool mUseMousepoll;
+
+	// for random colors
+	int mColorcounter;
+	float mR;			// red value
+	float mG;			// green value
+	float mB;			// blue value
+	float mR2;			// red value
+	float mG2;			// green value
+	float mB2;			// blue value
+	int mColorrate;
+	int mSkip;
+	int mAtSkip;
+	int mSpeed;
+
+	// Cursor data
+	MouseCursor mCursors[TEXTURES_SIZE];          // rolling array of cursors grabbed from x
+	int mLastTextureFilled;                       // last slot used in textures
+	unsigned long mLastCursorSerial;              // last cursor serial number grabbed from X
+	int mLastCursorIndex;                         // ...and its associated array index
+
+	// Moved from drawParticles to get rid of spurious malloc's
+	GLfloat *mVertices_cache;
+	int     mVertex_cache_count;
+	GLfloat *mCoords_cache;
+	int     mCoords_cache_count;
+	GLfloat *mColors_cache;
+	int     mColor_cache_count;
+
+	void
+	initParticles (int f_numParticles);
+
+	void
+	drawParticles ();
+
+	void
+	updateParticles (float time);
+
+	void
+	finiParticles ();
+
+	void
+	genNewParticles (int time);
+
+};
+
+class MousetrailsScreen :
+    public PluginClassHandler <MousetrailsScreen, CompScreen>,
+    public CompositeScreenInterface,
+    public GLScreenInterface,
+    public MousetrailsOptions
+{
+    public:
+
+	MousetrailsScreen (CompScreen *screen);
+	~MousetrailsScreen ();
+
+    public:
+
+	CompositeScreen *cScreen;
+	GLScreen	*gScreen;
+
+	int mPosX;
+	int mPosY;
+
+	Bool mActive;
+
+	ParticleSystem *mPs;
+
+	MousePoller mPollHandle;
+
+	void
+	preparePaint (int);
+
+	bool
+	glPaintOutput (const GLScreenPaintAttrib &,
+		       const GLMatrix		 &,
+		       const CompRegion		 &,
+		       CompOutput		 *,
+		       unsigned int		    );
+
+	void
+	donePaint ();
+
+	void
+	damageRegion ();
+
+	void
+	positionUpdate (const CompPoint &p);
+
+	bool
+	terminate (CompAction         *action,
+		   CompAction::State  state,
+		   CompOption::Vector options);
+
+	bool
+	initiate (CompAction         *action,
+		  CompAction::State  state,
+		  CompOption::Vector &options);
+
+	int
+	cursorUpdate ();
+
+};
+
+#define MOUSETRAILS_SCREEN(s)						      \
+    MousetrailsScreen *ss = MousetrailsScreen::get (s);
+
+class MousetrailsPluginVTable :
+    public CompPlugin::VTableForScreen <MousetrailsScreen>
+{
+    public:
+
+	bool init ();
+};