--- /dev/null
+/************************************************************************
+
+ IMPORTANT NOTE : this file contains two clearly delimited sections :
+ the ARCHITECTURE section (in two parts) and the USER section. Each section
+ is governed by its own copyright and license. Please check individually
+ each section for license and copyright information.
+*************************************************************************/
+
+/*******************BEGIN ARCHITECTURE SECTION (part 1/2)****************/
+
+/************************************************************************
+ FAUST Architecture File
+ Copyright (C) 2003-2011 GRAME, Centre National de Creation Musicale
+ ---------------------------------------------------------------------
+ This Architecture section 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 3 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; If not, see <http://www.gnu.org/licenses/>.
+
+ EXCEPTION : As a special exception, you may create a larger work
+ that contains this FAUST architecture section and distribute
+ that work under terms of your choice, so long as this FAUST
+ architecture section is not modified.
+
+
+ ************************************************************************
+ ************************************************************************/
+
+/* link with */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <math.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <gtk/gtk.h>
+#include <pthread.h>
+#include <sys/wait.h>
+#include <list>
+#include <vector>
+
+#include <iostream>
+#include <fstream>
+
+#include <libgen.h>
+#include <jack/jack.h>
+
+
+using namespace std;
+
+//inline void *aligned_calloc(size_t nmemb, size_t size) { return (void*)((unsigned)(calloc((nmemb*size)+15,sizeof(char)))+15 & 0xfffffff0); }
+//inline void *aligned_calloc(size_t nmemb, size_t size) { return (void*)((size_t)(calloc((nmemb*size)+15,sizeof(char)))+15 & ~15); }
+
+// g++ -O3 -lm -ljack `gtk-config --cflags --libs` ex2.cpp
+
+
+
+#define max(x,y) (((x)>(y)) ? (x) : (y))
+#define min(x,y) (((x)<(y)) ? (x) : (y))
+
+
+// abs is now predefined
+//template<typename T> T abs (T a) { return (a<T(0)) ? -a : a; }
+
+
+inline int lsr (int x, int n) { return int(((unsigned int)x) >> n); }
+
+inline int int2pow2 (int x) { int r=0; while ((1<<r)<x) r++; return r; }
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ VECTOR INTRINSICS
+
+*******************************************************************************
+*******************************************************************************/
+
+//inline void *alloc(size_t nmemb, size_t size) { return (void*)((unsigned)(calloc((nmemb*size)+15,sizeof(char)))+15 & 0xfffffff0); }
+
+
+<<includeIntrinsic>>
+
+
+
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ GRAPHIC USER INTERFACE (v2)
+ abstract interfaces
+
+*******************************************************************************
+*******************************************************************************/
+
+#include <map>
+#include <list>
+
+using namespace std;
+
+struct Meta : map<const char*, const char*>
+{
+ void declare (const char* key, const char* value) { (*this)[key]=value; }
+};
+
+struct uiItem;
+typedef void (*uiCallback)(float val, void* data);
+
+/**
+ * Graphic User Interface : abstract definition
+ */
+
+class UI
+{
+ typedef list<uiItem*> clist;
+ typedef map<float*, clist*> zmap;
+
+ private:
+ static list<UI*> fGuiList;
+ zmap fZoneMap;
+ bool fStopped;
+
+ public:
+
+ UI() : fStopped(false) {
+ fGuiList.push_back(this);
+ }
+
+ virtual ~UI() {
+ // 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);
+ }
+
+ // -- saveState(filename) : save the value of every zone to a file
+
+ void saveState(const char* filename)
+ {
+ ofstream f(filename);
+
+ for (zmap::iterator i=fZoneMap.begin(); i!=fZoneMap.end(); i++) {
+ f << *(i->first) << ' ';
+ }
+
+ f << endl;
+ f.close();
+ }
+
+ // -- recallState(filename) : load the value of every zone from a file
+
+ void recallState(const char* filename)
+ {
+ ifstream f(filename);
+ if (f.good()) {
+ for (zmap::iterator i=fZoneMap.begin(); i!=fZoneMap.end(); i++) {
+ f >> *(i->first);
+ }
+ }
+ f.close();
+ }
+
+ void updateAllZones();
+
+ void updateZone(float* z);
+
+ static void updateAllGuis()
+ {
+ list<UI*>::iterator g;
+ for (g = fGuiList.begin(); g != fGuiList.end(); g++) {
+ (*g)->updateAllZones();
+ }
+ }
+
+ // -- active widgets
+
+ virtual void addButton(const char* label, float* zone) {};
+ virtual void addToggleButton(const char* label, float* zone) {};
+ virtual void addCheckButton(const char* label, float* zone) {};
+ virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step) {};
+ virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step) {};
+ virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step) {};
+
+ // -- passive widgets
+
+ virtual void addNumDisplay(const char* label, float* zone, int precision) {};
+ virtual void addTextDisplay(const char* label, float* zone, const char* names[], float min, float max) {};
+ virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max) {};
+ virtual void addVerticalBargraph(const char* label, float* zone, float min, float max) {};
+
+ void addCallback(float* zone, uiCallback foo, void* data);
+
+ // -- widget's layouts
+
+ virtual void openFrameBox(const char* label) {};
+ virtual void openTabBox(const char* label) {};
+ virtual void openHorizontalBox(const char* label) {};
+ virtual void openVerticalBox(const char* label) {};
+ virtual void closeBox() {};
+
+ virtual void show() {};
+ virtual void run() {};
+
+ void stop() { fStopped = true; }
+ bool stopped() { return fStopped; }
+
+ virtual void declare(float* zone, const char* key, const char* value) {}
+};
+
+
+/**
+ * User Interface Item: abstract definition
+ */
+
+class uiItem
+{
+ protected :
+
+ UI* fGUI;
+ float* fZone;
+ float fCache;
+
+ uiItem (UI* 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(UI* 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 UI::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 UI::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 UI::addCallback(float* zone, uiCallback foo, void* data)
+{
+ new uiCallbackItem(this, zone, foo, data);
+};
+
+/******************************************************************************
+*******************************************************************************
+
+ MIDISHARE INTERFACE
+
+*******************************************************************************
+ usage :
+
+ MidiShareUI midi;
+ ...
+ DSP.buildUserInterface(&midi);
+ midi.open("name");
+ ...
+*******************************************************************************
+*******************************************************************************/
+
+
+#include <MidiShare.h>
+
+class MidiShareUI : public UI
+{
+ struct ctrl {
+ float* fZone;
+ float fMin;
+ float fMax;
+ ctrl(float* z, float lo, float hi) : fZone(z), fMin(lo), fMax(hi) {}
+ };
+
+ int fRefnum; ///< MidiShare reference number
+ map<float*, ctrl*> fZoneCtrl; ///< zone -> ctrl mapping
+ ctrl* fMidiCtrl[128]; ///< midi controller number -> zone ctrl
+
+ public:
+
+ MidiShareUI() : fRefnum(-1) { for (int i=0; i<128; i++) fMidiCtrl[i]=0; }
+ virtual ~MidiShareUI() { close(); }
+
+ // -- user interface part
+
+ virtual void addButton(const char* label, float* zone) { fZoneCtrl[zone] = new ctrl(zone, 0, 1); }
+ virtual void addToggleButton(const char* label, float* zone) { fZoneCtrl[zone] = new ctrl(zone, 0, 1); }
+ virtual void addCheckButton(const char* label, float* zone) { fZoneCtrl[zone] = new ctrl(zone, 0, 1); }
+ virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
+ { fZoneCtrl[zone] = new ctrl(zone, min, max); }
+ virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
+ { fZoneCtrl[zone] = new ctrl(zone, min, max); }
+ virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
+ { fZoneCtrl[zone] = new ctrl(zone, min, max); }
+
+ // -- metadata part
+
+ virtual void declare(float* zone, const char* key, const char* value) {
+ int n = atoi(value);
+ if (strcmp(key, "midictrl") == 0 && fZoneCtrl[zone] != 0 && n >= 0 && n <= 127)
+ fMidiCtrl[n] = fZoneCtrl[zone];
+ }
+
+
+ // -- MidiShare session
+
+ virtual void open(const char* name) {
+ fRefnum = MidiOpen((char*)name);
+ MidiSetInfo(fRefnum, this);
+ MidiSetRcvAlarm(fRefnum, midiCallback);
+ }
+
+ virtual void close() { MidiClose(fRefnum); fRefnum=-1; }
+
+
+ // -- MidiShare event processing
+
+ static void midiCallback(short refnum)
+ {
+ MidiShareUI* self = (MidiShareUI*)MidiGetInfo(refnum);
+ for (MidiEvPtr e=MidiGetEv(refnum); e!=0; e=MidiGetEv(refnum)) {
+ self->processEvent(e);
+ MidiFreeEv(e);
+ }
+ }
+
+ virtual void processEvent(MidiEvPtr e)
+ {
+ ctrl* c;
+ if ( (EvType(e)==typeCtrlChange) && (c=fMidiCtrl[Pitch(e)]) )
+ *(c->fZone) = c->fMin + (c->fMax-c->fMin)*Vel(e)/127;
+ }
+};
+
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ GRAPHIC USER INTERFACE
+ gtk interface
+
+*******************************************************************************
+*******************************************************************************/
+
+#include <gtk/gtk.h>
+
+#define stackSize 256
+
+// Insertion modes
+
+#define kSingleMode 0
+#define kBoxMode 1
+#define kTabMode 2
+
+
+class GTKUI : public UI
+{
+ private :
+ static bool fInitialized;
+ static list<UI*> fGuiList;
+
+ protected :
+ GtkWidget* fWindow;
+ int fTop;
+ GtkWidget* fBox[stackSize];
+ int fMode[stackSize];
+ bool fStopped;
+
+ GtkWidget* addWidget(const char* label, GtkWidget* w);
+ virtual void pushBox(int mode, GtkWidget* w);
+
+
+ public :
+
+ static const gboolean expand = TRUE;
+ static const gboolean fill = TRUE;
+ static const gboolean homogene = FALSE;
+
+ GTKUI(char * name, int* pargc, char*** pargv);
+
+ // -- layout groups
+
+ virtual void openFrameBox(const char* label);
+ virtual void openTabBox(const char* label = "");
+ virtual void openHorizontalBox(const char* label = "");
+ virtual void openVerticalBox(const char* label = "");
+
+ virtual void closeBox();
+
+ // -- active widgets
+
+ virtual void addButton(const char* label, float* zone);
+ virtual void addToggleButton(const char* label, float* zone);
+ virtual void addCheckButton(const char* label, float* zone);
+ virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step);
+ virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step);
+ virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step);
+
+ // -- passive display widgets
+
+ virtual void addNumDisplay(const char* label, float* zone, int precision);
+ virtual void addTextDisplay(const char* label, float* zone, const char* names[], float min, float max);
+ virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max);
+ virtual void addVerticalBargraph(const char* label, float* zone, float min, float max);
+
+ virtual void show();
+ virtual void run();
+
+};
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ GRAPHIC USER INTERFACE (v2)
+ gtk implementation
+
+*******************************************************************************
+*******************************************************************************/
+
+// global static fields
+
+bool GTKUI::fInitialized = false;
+list<UI*> UI::fGuiList;
+
+
+
+static gint delete_event( GtkWidget *widget, GdkEvent *event, gpointer data )
+{
+ return FALSE;
+}
+
+static void destroy_event( GtkWidget *widget, gpointer data )
+{
+ gtk_main_quit ();
+}
+
+
+GTKUI::GTKUI(char * name, int* pargc, char*** pargv)
+{
+ if (!fInitialized) {
+ gtk_init(pargc, pargv);
+ fInitialized = true;
+ }
+
+ fWindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ //gtk_container_set_border_width (GTK_CONTAINER (fWindow), 10);
+ gtk_window_set_title (GTK_WINDOW (fWindow), name);
+ gtk_signal_connect (GTK_OBJECT (fWindow), "delete_event", GTK_SIGNAL_FUNC (delete_event), NULL);
+ gtk_signal_connect (GTK_OBJECT (fWindow), "destroy", GTK_SIGNAL_FUNC (destroy_event), NULL);
+
+ fTop = 0;
+ fBox[fTop] = gtk_vbox_new (homogene, 4);
+ fMode[fTop] = kBoxMode;
+ gtk_container_add (GTK_CONTAINER (fWindow), fBox[fTop]);
+ fStopped = false;
+}
+
+// empilement des boites
+
+void GTKUI::pushBox(int mode, GtkWidget* w)
+{
+ ++fTop;
+ assert(fTop < stackSize);
+ fMode[fTop] = mode;
+ fBox[fTop] = w;
+}
+
+void GTKUI::closeBox()
+{
+ --fTop;
+ assert(fTop >= 0);
+}
+
+
+// les differentes boites
+
+void GTKUI::openFrameBox(const char* label)
+{
+ GtkWidget * box = gtk_frame_new (label);
+ //gtk_container_set_border_width (GTK_CONTAINER (box), 10);
+
+ pushBox(kSingleMode, addWidget(label, box));
+}
+
+void GTKUI::openTabBox(const char* label)
+{
+ pushBox(kTabMode, addWidget(label, gtk_notebook_new ()));
+}
+
+void GTKUI::openHorizontalBox(const char* label)
+{
+ GtkWidget * box = gtk_hbox_new (homogene, 4);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 10);
+
+ if (fMode[fTop] != kTabMode && label[0] != 0) {
+ GtkWidget * frame = addWidget(label, gtk_frame_new (label));
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ } else {
+ pushBox(kBoxMode, addWidget(label, box));
+ }
+}
+
+void GTKUI::openVerticalBox(const char* label)
+{
+ GtkWidget * box = gtk_vbox_new (homogene, 4);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 10);
+
+ if (fMode[fTop] != kTabMode && label[0] != 0) {
+ GtkWidget * frame = addWidget(label, gtk_frame_new (label));
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ } else {
+ pushBox(kBoxMode, addWidget(label, box));
+ }
+}
+
+GtkWidget* GTKUI::addWidget(const char* label, GtkWidget* w)
+{
+ switch (fMode[fTop]) {
+ case kSingleMode : gtk_container_add (GTK_CONTAINER(fBox[fTop]), w); break;
+ case kBoxMode : gtk_box_pack_start (GTK_BOX(fBox[fTop]), w, expand, fill, 0); break;
+ case kTabMode : gtk_notebook_append_page (GTK_NOTEBOOK(fBox[fTop]), w, gtk_label_new(label)); break;
+ }
+ gtk_widget_show (w);
+ return w;
+}
+
+// --------------------------- Press button ---------------------------
+
+struct uiButton : public uiItem
+{
+ GtkButton* fButton;
+
+ uiButton (UI* ui, float* zone, GtkButton* b) : uiItem(ui, zone), fButton(b) {}
+
+ static void pressed( GtkWidget *widget, gpointer data )
+ {
+ uiItem* c = (uiItem*) data;
+ c->modifyZone(1.0);
+ }
+
+ static void released( GtkWidget *widget, gpointer data )
+ {
+ uiItem* c = (uiItem*) data;
+ c->modifyZone(0.0);
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ if (v > 0.0) gtk_button_pressed(fButton); else gtk_button_released(fButton);
+ }
+};
+
+void GTKUI::addButton(const char* label, float* zone)
+{
+ *zone = 0.0;
+ GtkWidget* button = gtk_button_new_with_label (label);
+ addWidget(label, button);
+
+ uiButton* c = new uiButton(this, zone, GTK_BUTTON(button));
+
+ gtk_signal_connect (GTK_OBJECT (button), "pressed", GTK_SIGNAL_FUNC (uiButton::pressed), (gpointer) c);
+ gtk_signal_connect (GTK_OBJECT (button), "released", GTK_SIGNAL_FUNC (uiButton::released), (gpointer) c);
+
+}
+
+// --------------------------- Toggle Buttons ---------------------------
+
+struct uiToggleButton : public uiItem
+{
+ GtkToggleButton* fButton;
+
+ uiToggleButton(UI* ui, float* zone, GtkToggleButton* b) : uiItem(ui, zone), fButton(b) {}
+
+ static void toggled (GtkWidget *widget, gpointer data)
+ {
+ float v = (GTK_TOGGLE_BUTTON (widget)->active) ? 1.0 : 0.0;
+ ((uiItem*)data)->modifyZone(v);
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ gtk_toggle_button_set_active(fButton, v > 0.0);
+ }
+};
+
+void GTKUI::addToggleButton(const char* label, float* zone)
+{
+ *zone = 0.0;
+ GtkWidget* button = gtk_toggle_button_new_with_label (label);
+ addWidget(label, button);
+
+ uiToggleButton* c = new uiToggleButton(this, zone, GTK_TOGGLE_BUTTON(button));
+ gtk_signal_connect (GTK_OBJECT (button), "toggled", GTK_SIGNAL_FUNC (uiToggleButton::toggled), (gpointer) c);
+}
+
+
+// --------------------------- Check Button ---------------------------
+
+struct uiCheckButton : public uiItem
+{
+ GtkToggleButton* fButton;
+
+ uiCheckButton(UI* ui, float* zone, GtkToggleButton* b) : uiItem(ui, zone), fButton(b) {}
+
+ static void toggled (GtkWidget *widget, gpointer data)
+ {
+ float v = (GTK_TOGGLE_BUTTON (widget)->active) ? 1.0 : 0.0;
+ ((uiItem*)data)->modifyZone(v);
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ gtk_toggle_button_set_active(fButton, v > 0.0);
+ }
+};
+
+void GTKUI::addCheckButton(const char* label, float* zone)
+{
+ *zone = 0.0;
+ GtkWidget* button = gtk_check_button_new_with_label (label);
+ addWidget(label, button);
+
+ uiCheckButton* c = new uiCheckButton(this, zone, GTK_TOGGLE_BUTTON(button));
+ gtk_signal_connect (GTK_OBJECT (button), "toggled", GTK_SIGNAL_FUNC(uiCheckButton::toggled), (gpointer) c);
+}
+
+
+// --------------------------- Adjustmenty based widgets ---------------------------
+
+struct uiAdjustment : public uiItem
+{
+ GtkAdjustment* fAdj;
+
+ uiAdjustment(UI* ui, float* zone, GtkAdjustment* adj) : uiItem(ui, zone), fAdj(adj) {}
+
+ static void changed (GtkWidget *widget, gpointer data)
+ {
+ float v = GTK_ADJUSTMENT (widget)->value;
+ ((uiItem*)data)->modifyZone(v);
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ gtk_adjustment_set_value(fAdj, v);
+ }
+};
+
+static int precision(double n)
+{
+ if (n < 0.009999) return 3;
+ else if (n < 0.099999) return 2;
+ else if (n < 0.999999) return 1;
+ else return 0;
+}
+
+// -------------------------- Vertical Slider -----------------------------------
+
+void GTKUI::addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
+{
+ *zone = init;
+ GtkObject* adj = gtk_adjustment_new(init, min, max, step, 10*step, 0);
+
+ uiAdjustment* c = new uiAdjustment(this, zone, GTK_ADJUSTMENT(adj));
+
+ gtk_signal_connect (GTK_OBJECT (adj), "value-changed", GTK_SIGNAL_FUNC (uiAdjustment::changed), (gpointer) c);
+
+ GtkWidget* slider = gtk_vscale_new (GTK_ADJUSTMENT(adj));
+ gtk_range_set_inverted (GTK_RANGE(slider), TRUE);
+ gtk_scale_set_digits(GTK_SCALE(slider), precision(step));
+ gtk_widget_set_usize(slider, -1, 160);
+
+ openFrameBox(label);
+ addWidget(label, slider);
+ closeBox();
+}
+
+// -------------------------- Horizontal Slider -----------------------------------
+
+void GTKUI::addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
+{
+ *zone = init;
+ GtkObject* adj = gtk_adjustment_new(init, min, max, step, 10*step, 0);
+
+ uiAdjustment* c = new uiAdjustment(this, zone, GTK_ADJUSTMENT(adj));
+
+ gtk_signal_connect (GTK_OBJECT (adj), "value-changed", GTK_SIGNAL_FUNC (uiAdjustment::changed), (gpointer) c);
+
+ GtkWidget* slider = gtk_hscale_new (GTK_ADJUSTMENT(adj));
+ gtk_scale_set_digits(GTK_SCALE(slider), precision(step));
+ gtk_widget_set_usize(slider, 160, -1);
+
+ openFrameBox(label);
+ addWidget(label, slider);
+ closeBox();
+}
+
+
+// ------------------------------ Num Entry -----------------------------------
+
+void GTKUI::addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
+{
+ *zone = init;
+ GtkObject* adj = gtk_adjustment_new(init, min, max, step, 10*step, step);
+
+ uiAdjustment* c = new uiAdjustment(this, zone, GTK_ADJUSTMENT(adj));
+
+ gtk_signal_connect (GTK_OBJECT (adj), "value-changed", GTK_SIGNAL_FUNC (uiAdjustment::changed), (gpointer) c);
+
+ GtkWidget* spinner = gtk_spin_button_new (GTK_ADJUSTMENT(adj), 0.005, precision(step));
+
+ //gtk_widget_set_usize(slider, 160, -1);
+ openFrameBox(label);
+ addWidget(label, spinner);
+ closeBox();
+}
+
+
+// ========================== passive widgets ===============================
+
+
+// ------------------------------ Progress Bar -----------------------------------
+
+struct uiBargraph : public uiItem
+{
+ GtkProgressBar* fProgressBar;
+ float fMin;
+ float fMax;
+
+ uiBargraph(UI* ui, float* zone, GtkProgressBar* pbar, float lo, float hi)
+ : uiItem(ui, zone), fProgressBar(pbar), fMin(lo), fMax(hi) {}
+
+ float scale(float v) { return (v-fMin)/(fMax-fMin); }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ gtk_progress_bar_set_fraction(fProgressBar, scale(v));
+ }
+};
+
+
+
+void GTKUI::addVerticalBargraph(const char* label, float* zone, float lo, float hi)
+{
+ GtkWidget* pb = gtk_progress_bar_new();
+ gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(pb), GTK_PROGRESS_BOTTOM_TO_TOP);
+ gtk_widget_set_size_request(pb, 8, -1);
+ new uiBargraph(this, zone, GTK_PROGRESS_BAR(pb), lo, hi);
+ openFrameBox(label);
+ addWidget(label, pb);
+ closeBox();
+}
+
+
+void GTKUI::addHorizontalBargraph(const char* label, float* zone, float lo, float hi)
+{
+ GtkWidget* pb = gtk_progress_bar_new();
+ gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(pb), GTK_PROGRESS_LEFT_TO_RIGHT);
+ gtk_widget_set_size_request(pb, -1, 8);
+ new uiBargraph(this, zone, GTK_PROGRESS_BAR(pb), lo, hi);
+ openFrameBox(label);
+ addWidget(label, pb);
+ closeBox();
+}
+
+
+// ------------------------------ Num Display -----------------------------------
+
+struct uiNumDisplay : public uiItem
+{
+ GtkLabel* fLabel;
+ int fPrecision;
+
+ uiNumDisplay(UI* ui, float* zone, GtkLabel* label, int precision)
+ : uiItem(ui, zone), fLabel(label), fPrecision(precision) {}
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ char s[64];
+ if (fPrecision <= 0) {
+ snprintf(s, 63, "%d", int(v));
+ } else if (fPrecision>3) {
+ snprintf(s, 63, "%f", v);
+ } else {
+ const char* format[] = {"%.1f", "%.2f", "%.3f"};
+ snprintf(s, 63, format[fPrecision-1], v);
+ }
+ gtk_label_set_text(fLabel, s);
+ }
+};
+
+
+void GTKUI::addNumDisplay(const char* label, float* zone, int precision )
+{
+ GtkWidget* lw = gtk_label_new("");
+ new uiNumDisplay(this, zone, GTK_LABEL(lw), precision);
+ openFrameBox(label);
+ addWidget(label, lw);
+ closeBox();
+}
+
+
+// ------------------------------ Text Display -----------------------------------
+
+struct uiTextDisplay : public uiItem
+{
+ GtkLabel* fLabel;
+ const char** fNames;
+ float fMin;
+ float fMax;
+ int fNum;
+
+
+ uiTextDisplay (UI* ui, float* zone, GtkLabel* label, const char* names[], float lo, float hi)
+ : uiItem(ui, zone), fLabel(label), fNames(names), fMin(lo), fMax(hi)
+ {
+ fNum = 0;
+ while (fNames[fNum] != 0) fNum++;
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+
+ int idx = int(fNum*(v-fMin)/(fMax-fMin));
+
+ if (idx < 0) idx = 0;
+ else if (idx >= fNum) idx = fNum-1;
+
+ gtk_label_set_text(fLabel, fNames[idx]);
+ }
+};
+
+
+void GTKUI::addTextDisplay(const char* label, float* zone, const char* names[], float lo, float hi )
+{
+ GtkWidget* lw = gtk_label_new("");
+ new uiTextDisplay (this, zone, GTK_LABEL(lw), names, lo, hi);
+ openFrameBox(label);
+ addWidget(label, lw);
+ closeBox();
+}
+
+
+
+void GTKUI::show()
+{
+ assert(fTop == 0);
+ gtk_widget_show (fBox[0]);
+ gtk_widget_show (fWindow);
+}
+
+
+/**
+ * Update all user items reflecting zone z
+ */
+
+static gboolean callUpdateAllGuis(gpointer)
+{
+ UI::updateAllGuis();
+ return TRUE;
+}
+
+
+void GTKUI::run()
+{
+ assert(fTop == 0);
+ gtk_widget_show (fBox[0]);
+ gtk_widget_show (fWindow);
+ gtk_timeout_add(40, callUpdateAllGuis, 0);
+ gtk_main ();
+ stop();
+}
+
+
+/******************************************************************************
+*******************************************************************************
+
+ FAUST DSP
+
+*******************************************************************************
+*******************************************************************************/
+
+
+
+
+
+//----------------------------------------------------------------
+// définition du processeur de signal
+//----------------------------------------------------------------
+
+class dsp {
+ protected:
+ int fSamplingFreq;
+ public:
+ dsp() {}
+ virtual ~dsp() {}
+
+ virtual int getNumInputs() = 0;
+ virtual int getNumOutputs() = 0;
+ virtual void buildUserInterface(UI* interface) = 0;
+ virtual void init(int samplingRate) = 0;
+ virtual void compute(int len, float** inputs, float** outputs) = 0;
+};
+
+/********************END ARCHITECTURE SECTION (part 1/2)****************/
+
+/**************************BEGIN USER SECTION **************************/
+
+<<includeclass>>
+
+/***************************END USER SECTION ***************************/
+
+/*******************BEGIN ARCHITECTURE SECTION (part 2/2)***************/
+
+mydsp DSP;
+
+
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ JACK AUDIO INTERFACE
+
+*******************************************************************************
+*******************************************************************************/
+
+
+
+//----------------------------------------------------------------------------
+// number of input and output channels
+//----------------------------------------------------------------------------
+
+int gNumInChans;
+int gNumOutChans;
+
+
+//----------------------------------------------------------------------------
+// Jack ports
+//----------------------------------------------------------------------------
+
+jack_port_t *input_ports[256];
+jack_port_t *output_ports[256];
+
+//----------------------------------------------------------------------------
+// tables of noninterleaved input and output channels for FAUST
+//----------------------------------------------------------------------------
+
+float* gInChannel[256];
+float* gOutChannel[256];
+
+//----------------------------------------------------------------------------
+// Jack Callbacks
+//----------------------------------------------------------------------------
+
+int srate(jack_nframes_t nframes, void *arg)
+{
+ printf("the sample rate is now %u/sec\n", nframes);
+ return 0;
+}
+
+void jack_shutdown(void *arg)
+{
+ exit(1);
+}
+
+int process (jack_nframes_t nframes, void *arg)
+{
+ for (int i = 0; i < gNumInChans; i++) {
+ gInChannel[i] = (float *)jack_port_get_buffer(input_ports[i], nframes);
+ }
+ for (int i = 0; i < gNumOutChans; i++) {
+ gOutChannel[i] = (float *)jack_port_get_buffer(output_ports[i], nframes);
+ }
+ DSP.compute(nframes, gInChannel, gOutChannel);
+ return 0;
+}
+
+
+/******************************************************************************
+*******************************************************************************
+
+ MAIN PLAY THREAD
+
+*******************************************************************************
+*******************************************************************************/
+
+
+//-------------------------------------------------------------------------
+// MAIN
+//-------------------------------------------------------------------------
+
+int main(int argc, char *argv[] )
+{
+ UI* interface;
+ jack_client_t* client;
+ char buf [256];
+ char rcfilename[256];
+ jack_status_t jackstat;
+ const char* home;
+ char* pname;
+ char* jname;
+ MidiShareUI midi;
+
+ jname = basename (argv [0]);
+ client = jack_client_open (jname, (jack_options_t) 0, &jackstat);
+ if (client == 0) {
+ fprintf (stderr, "Can't connect to JACK, is the server running ?\n");
+ exit (1);
+ }
+ if (jackstat & JackNameNotUnique) {
+ jname = jack_get_client_name (client);
+ }
+
+ jack_set_process_callback(client, process, 0);
+ jack_set_sample_rate_callback(client, srate, 0);
+ jack_on_shutdown(client, jack_shutdown, 0);
+
+ gNumInChans = DSP.getNumInputs();
+ gNumOutChans = DSP.getNumOutputs();
+
+ for (int i = 0; i < gNumInChans; i++) {
+ snprintf(buf, 256, "in_%d", i);
+ input_ports[i] = jack_port_register(client, buf, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
+ }
+ for (int i = 0; i < gNumOutChans; i++) {
+ snprintf(buf, 256, "out_%d", i);
+ output_ports[i] = jack_port_register(client, buf,JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
+ }
+
+ DSP.buildUserInterface(&midi);
+ midi.open(jname);
+
+ interface = new GTKUI (jname, &argc, &argv);
+ DSP.init(jack_get_sample_rate(client));
+ DSP.buildUserInterface(interface);
+
+ home = getenv ("HOME");
+ if (home == 0) home = ".";
+ snprintf(rcfilename, 256, "%s/.%src", home, jname);
+ interface->recallState(rcfilename);
+
+ if (jack_activate(client)) {
+ fprintf(stderr, "Can't activate JACK client\n");
+ return 1;
+ }
+
+ pname = getenv("FAUST2JACK_INPUTS");
+ if (pname && *pname) {
+ for (int i = 0; i < gNumInChans; i++) {
+ snprintf(buf, 256, pname, i + 1);
+ jack_connect(client, buf, jack_port_name(input_ports[i]));
+ }
+ }
+
+ pname = getenv("FAUST2JACK_OUTPUTS");
+ if (pname && *pname) {
+ for (int i = 0; i < gNumOutChans; i++) {
+ snprintf(buf, 256, pname, i + 1);
+ jack_connect(client, jack_port_name(output_ports[i]), buf);
+ }
+ }
+
+ interface->run();
+ jack_deactivate(client);
+
+ for (int i = 0; i < gNumInChans; i++) {
+ jack_port_unregister(client, input_ports[i]);
+ }
+ for (int i = 0; i < gNumOutChans; i++) {
+ jack_port_unregister(client, output_ports[i]);
+ }
+
+ jack_client_close(client);
+ interface->saveState(rcfilename);
+
+ return 0;
+}
+
+/********************END ARCHITECTURE SECTION (part 2/2)****************/
+
projects / Faustine.git / blobdiff