X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/c7f552fd8888da2f0d8cfb228fe0f28d3df3a12c..b4b6f2ea75b9f0f3ca918f5b84016610bf7a4d4f:/interpretor/preprocessor/faust-0.9.47mr3/architecture/gui/GUI.h

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/architecture/gui/GUI.h b/interpretor/preprocessor/faust-0.9.47mr3/architecture/gui/GUI.h
new file mode 100644
index 0000000..3e9add9
--- /dev/null
+++ b/interpretor/preprocessor/faust-0.9.47mr3/architecture/gui/GUI.h
@@ -0,0 +1,162 @@
+#ifndef FAUST_GUI_H
+#define FAUST_GUI_H
+
+#include "UI.h"
+#include <list>
+#include <map>
+
+using namespace std;
+
+
+/*******************************************************************************
+ * GUI : Abstract Graphic User Interface
+ * Provides additional macchanismes to synchronize widgets and zones. Widgets
+ * should both reflect the value of a zone and allow to change this value.
+ ******************************************************************************/
+
+struct uiItem;
+typedef void (*uiCallback)(float val, void* data);
+
+class GUI : public UI
+{
+	typedef list<uiItem*> clist;
+	typedef map<float*, clist*> zmap;
+	
+ private:
+ 	static list<GUI*>	fGuiList;
+	zmap				fZoneMap;
+	bool				fStopped;
+	
+ public:
+		
+	GUI() : fStopped(false) {	
+		fGuiList.push_back(this);
+	}
+	
+	virtual ~GUI() {
+		// suppression de this dans fGuiList
+	}
+
+	// -- registerZone(z,c) : zone management
+	
+	void registerZone(float* z, uiItem* c)
+	{
+		if (fZoneMap.find(z) == fZoneMap.end()) fZoneMap[z] = new clist();
+		fZoneMap[z]->push_back(c);
+	} 	
+
+	void updateAllZones();
+	
+	void updateZone(float* z);
+	
+	static void updateAllGuis()
+	{
+		list<GUI*>::iterator g;
+		for (g = fGuiList.begin(); g != fGuiList.end(); g++) {
+			(*g)->updateAllZones();
+		}
+	}
+    void addCallback(float* zone, uiCallback foo, void* data);
+    virtual void show() {};	
+    virtual void run() {};
+	
+	void stop()		{ fStopped = true; }
+	bool stopped() 	{ return fStopped; }
+
+    virtual void declare(float* , const char* , const char* ) {}
+};
+
+
+
+/**
+ * User Interface Item: abstract definition
+ */
+
+class uiItem
+{
+  protected :
+		  
+	GUI*		fGUI;
+	float*		fZone;
+	float		fCache;
+	
+	uiItem (GUI* ui, float* zone) : fGUI(ui), fZone(zone), fCache(-123456.654321) 
+	{ 
+		ui->registerZone(zone, this); 
+	}
+	
+	
+  public :
+	virtual ~uiItem() {}
+	
+	void modifyZone(float v) 	
+	{ 
+		fCache = v;
+		if (*fZone != v) {
+			*fZone = v;
+			fGUI->updateZone(fZone);
+		}
+	}
+		  	
+	float			cache()			{ return fCache; }
+	virtual void 	reflectZone() 	= 0;	
+};
+
+
+/**
+ * Callback Item
+ */
+
+struct uiCallbackItem : public uiItem
+{
+	uiCallback	fCallback;
+	void*		fData;
+	
+	uiCallbackItem(GUI* ui, float* zone, uiCallback foo, void* data) 
+			: uiItem(ui, zone), fCallback(foo), fData(data) {}
+	
+	virtual void 	reflectZone() {		
+		float 	v = *fZone;
+		fCache = v; 
+		fCallback(v, fData);	
+	}
+};
+
+// en cours d'installation de call back. a finir!!!!!
+
+/**
+ * Update all user items reflecting zone z
+ */
+
+inline void GUI::updateZone(float* z)
+{
+	float 	v = *z;
+	clist* 	l = fZoneMap[z];
+	for (clist::iterator c = l->begin(); c != l->end(); c++) {
+		if ((*c)->cache() != v) (*c)->reflectZone();
+	}
+}
+
+
+/**
+ * Update all user items not up to date
+ */
+
+inline void GUI::updateAllZones()
+{
+	for (zmap::iterator m = fZoneMap.begin(); m != fZoneMap.end(); m++) {
+		float* 	z = m->first;
+		clist*	l = m->second;
+		float	v = *z;
+		for (clist::iterator c = l->begin(); c != l->end(); c++) {
+			if ((*c)->cache() != v) (*c)->reflectZone();
+		}
+	}
+}
+
+inline void GUI::addCallback(float* zone, uiCallback foo, void* data) 
+{ 
+	new uiCallbackItem(this, zone, foo, data); 
+};
+
+#endif