--- /dev/null
+#ifndef FAUST_GTKUI_H
+#define FAUST_GTKUI_H
+
+#include "GUI.h"
+
+/******************************************************************************
+*******************************************************************************
+
+ GRAPHIC USER INTERFACE
+ gtk interface
+
+*******************************************************************************
+*******************************************************************************/
+#include <string>
+#include <set>
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <assert.h>
+
+using namespace std;
+
+#define max(x,y) (((x)>(y)) ? (x) : (y))
+#define min(x,y) (((x)<(y)) ? (x) : (y))
+
+#define stackSize 256
+
+// Insertion modes
+
+#define kSingleMode 0
+#define kBoxMode 1
+#define kTabMode 2
+
+//------------ calculate needed precision
+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;
+}
+
+namespace gtk_knob
+{
+
+class GtkKnob
+{
+private:
+ double start_x, start_y, max_value;
+public:
+ GtkRange parent;
+ int last_quadrant;
+ GtkKnob();
+ ~GtkKnob();
+ GtkWidget *gtk_knob_new_with_adjustment(GtkAdjustment *_adjustment);
+
+};
+
+#define GTK_TYPE_KNOB (gtk_knob_get_type())
+#define GTK_KNOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_KNOB, GtkKnob))
+#define GTK_IS_KNOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_KNOB))
+#define GTK_KNOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_KNOB, GtkKnobClass))
+#define GTK_IS_KNOB_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_KNOB))
+
+GtkKnob::GtkKnob()
+// GtkKnob constructor
+{
+
+}
+
+GtkKnob::~GtkKnob()
+{
+ // Nothing specific to do...
+}
+
+struct GtkKnobClass {
+ GtkRangeClass parent_class;
+ int knob_x;
+ int knob_y;
+ int knob_step;
+ int button_is;
+
+};
+
+//------forward declaration
+GType gtk_knob_get_type ();
+
+/****************************************************************
+ ** calculate the knop pointer with dead zone
+ */
+
+const double scale_zero = 20 * (M_PI/180); // defines "dead zone" for knobs
+
+static void knob_expose(GtkWidget *widget, int knob_x, int knob_y, GdkEventExpose *event, int arc_offset)
+{
+ /** check resize **/
+ int grow;
+ if(widget->allocation.width > widget->allocation.height) {
+ grow = widget->allocation.height;
+ } else {
+ grow = widget->allocation.width;
+ }
+ knob_x = grow-4;
+ knob_y = grow-4;
+ /** get values for the knob **/
+ GtkAdjustment *adj = gtk_range_get_adjustment(GTK_RANGE(widget));
+ int knobx = (widget->allocation.x+2 + (widget->allocation.width-4 - knob_x) * 0.5);
+ int knoby = (widget->allocation.y+2 + (widget->allocation.height-4 - knob_y) * 0.5);
+ int knobx1 = (widget->allocation.x+2 + (widget->allocation.width-4)* 0.5);
+ int knoby1 = (widget->allocation.y+2 + (widget->allocation.height-4) * 0.5);
+ double knobstate = (adj->value - adj->lower) / (adj->upper - adj->lower);
+ double angle = scale_zero + knobstate * 2 * (M_PI - scale_zero);
+ double knobstate1 = (0. - adj->lower) / (adj->upper - adj->lower);
+ double pointer_off = knob_x/6;
+ double radius = min(knob_x-pointer_off, knob_y-pointer_off) / 2;
+ double lengh_x = (knobx+radius+pointer_off/2) - radius * sin(angle);
+ double lengh_y = (knoby+radius+pointer_off/2) + radius * cos(angle);
+ double radius1 = min(knob_x, knob_y) / 2 ;
+
+ /** get widget forground color convert to cairo **/
+ GtkStyle *style = gtk_widget_get_style (widget);
+ double r = min(0.6,style->fg[gtk_widget_get_state(widget)].red/65535.0),
+ g = min(0.6,style->fg[gtk_widget_get_state(widget)].green/65535.0),
+ b = min(0.6,style->fg[gtk_widget_get_state(widget)].blue/65535.0);
+
+ /** paint focus **/
+ if (GTK_WIDGET_HAS_FOCUS(widget)== TRUE) {
+ gtk_paint_focus(widget->style, widget->window, GTK_STATE_NORMAL, NULL, widget, NULL,
+ knobx-2, knoby-2, knob_x+4, knob_y+4);
+ }
+ /** create clowing knobs with cairo **/
+ cairo_t *cr = gdk_cairo_create(GDK_DRAWABLE(widget->window));
+ GdkRegion *region;
+ region = gdk_region_rectangle (&widget->allocation);
+ gdk_region_intersect (region, event->region);
+ gdk_cairo_region (cr, region);
+ cairo_clip (cr);
+
+ cairo_arc(cr,knobx1+arc_offset, knoby1+arc_offset, knob_x/2.1, 0, 2 * M_PI );
+ cairo_pattern_t*pat =
+ cairo_pattern_create_radial (knobx1+arc_offset-knob_x/6,knoby1+arc_offset-knob_x/6, 1,knobx1+arc_offset,knoby1+arc_offset,knob_x/2.1 );
+ if(adj->lower<0 && adj->value>0.) {
+ cairo_pattern_add_color_stop_rgb (pat, 0, r+0.4, g+0.4 + knobstate-knobstate1, b+0.4);
+ cairo_pattern_add_color_stop_rgb (pat, 0.7, r+0.15, g+0.15 + (knobstate-knobstate1)*0.5, b+0.15);
+ cairo_pattern_add_color_stop_rgb (pat, 1, r, g, b);
+ } else if(adj->lower<0 && adj->value<=0.) {
+ cairo_pattern_add_color_stop_rgb (pat, 0, r+0.4 +knobstate1- knobstate, g+0.4, b+0.4);
+ cairo_pattern_add_color_stop_rgb (pat, 0.7, r+0.15 +(knobstate1- knobstate)*0.5, g+0.15, b+0.15);
+ cairo_pattern_add_color_stop_rgb (pat, 1, r, g, b);
+ } else {
+ cairo_pattern_add_color_stop_rgb (pat, 0, r+0.4, g+0.4 +knobstate, b+0.4);
+ cairo_pattern_add_color_stop_rgb (pat, 0.7, r+0.15, g+0.15 + knobstate*0.5, b+0.15);
+ cairo_pattern_add_color_stop_rgb (pat, 1, r, g, b);
+ }
+ cairo_set_source (cr, pat);
+ cairo_fill_preserve (cr);
+ gdk_cairo_set_source_color(cr, gtk_widget_get_style (widget)->fg);
+ cairo_set_line_width(cr, 2.0);
+ cairo_stroke(cr);
+
+ /** create a rotating pointer on the kob**/
+ cairo_set_source_rgb(cr, 0.1, 0.1, 0.1);
+ cairo_set_line_width(cr,max(3, min(7, knob_x/15)));
+ cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
+ cairo_set_line_join(cr, CAIRO_LINE_JOIN_BEVEL);
+ cairo_move_to(cr, knobx+radius1, knoby+radius1);
+ cairo_line_to(cr,lengh_x,lengh_y);
+ cairo_stroke(cr);
+ cairo_set_source_rgb(cr, 0.9, 0.9, 0.9);
+ cairo_set_line_width(cr,min(5, max(1,knob_x/30)));
+ cairo_move_to(cr, knobx+radius1, knoby+radius1);
+ cairo_line_to(cr,lengh_x,lengh_y);
+ cairo_stroke(cr);
+ cairo_pattern_destroy (pat);
+ gdk_region_destroy (region);
+ cairo_destroy(cr);
+}
+
+/****************************************************************
+ ** general expose events for all "knob" controllers
+ */
+
+//----------- draw the Knob when moved
+static gboolean gtk_knob_expose (GtkWidget *widget, GdkEventExpose *event)
+{
+ g_assert(GTK_IS_KNOB(widget));
+ GtkKnobClass *klass = GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget));
+ knob_expose(widget, klass->knob_x, klass->knob_y, event, 0);
+ return TRUE;
+}
+
+/****************************************************************
+ ** set initial size for GdkDrawable per type
+ */
+
+static void gtk_knob_size_request (GtkWidget *widget, GtkRequisition *requisition)
+{
+ g_assert(GTK_IS_KNOB(widget));
+ GtkKnobClass *klass = GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget));
+ requisition->width = klass->knob_x;
+ requisition->height = klass->knob_y;
+}
+
+/****************************************************************
+ ** set value from key bindings
+ */
+
+static void gtk_knob_set_value (GtkWidget *widget, int dir_down)
+{
+ g_assert(GTK_IS_KNOB(widget));
+
+ GtkAdjustment *adj = gtk_range_get_adjustment(GTK_RANGE(widget));
+
+ int oldstep = (int)(0.5f + (adj->value - adj->lower) / adj->step_increment);
+ int step;
+ int nsteps = (int)(0.5f + (adj->upper - adj->lower) / adj->step_increment);
+ if (dir_down)
+ step = oldstep - 1;
+ else
+ step = oldstep + 1;
+ float value = adj->lower + step * double(adj->upper - adj->lower) / nsteps;
+ gtk_widget_grab_focus(widget);
+ gtk_range_set_value(GTK_RANGE(widget), value);
+}
+
+/****************************************************************
+ ** keyboard bindings
+ */
+
+static gboolean gtk_knob_key_press (GtkWidget *widget, GdkEventKey *event)
+{
+ g_assert(GTK_IS_KNOB(widget));
+
+ GtkAdjustment *adj = gtk_range_get_adjustment(GTK_RANGE(widget));
+ switch (event->keyval) {
+ case GDK_Home:
+ gtk_range_set_value(GTK_RANGE(widget), adj->lower);
+ return TRUE;
+ case GDK_End:
+ gtk_range_set_value(GTK_RANGE(widget), adj->upper);
+ return TRUE;
+ case GDK_Up:
+ gtk_knob_set_value(widget, 0);
+ return TRUE;
+ case GDK_Right:
+ gtk_knob_set_value(widget, 0);
+ return TRUE;
+ case GDK_Down:
+ gtk_knob_set_value(widget, 1);
+ return TRUE;
+ case GDK_Left:
+ gtk_knob_set_value(widget, 1);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/****************************************************************
+ ** alternative (radial) knob motion mode (ctrl + mouse pressed)
+ */
+
+static void knob_pointer_event(GtkWidget *widget, gdouble x, gdouble y, int knob_x, int knob_y,
+ bool drag, int state)
+{
+ static double last_y = 2e20;
+ GtkKnob *knob = GTK_KNOB(widget);
+ GtkAdjustment *adj = gtk_range_get_adjustment(GTK_RANGE(widget));
+ double radius = min(knob_x, knob_y) / 2;
+ int knobx = (widget->allocation.width - knob_x) / 2;
+ int knoby = (widget->allocation.height - knob_y) / 2;
+ double posx = (knobx + radius) - x; // x axis right -> left
+ double posy = (knoby + radius) - y; // y axis top -> bottom
+ double value;
+ if (!drag) {
+ if (state & GDK_CONTROL_MASK) {
+ last_y = 2e20;
+ return;
+ } else {
+ last_y = posy;
+ }
+ }
+ if (last_y < 1e20) { // in drag started with Control Key
+ const double scaling = 0.005;
+ double scal = (state & GDK_SHIFT_MASK ? scaling*0.1 : scaling);
+ value = (last_y - posy) * scal;
+ last_y = posy;
+ gtk_range_set_value(GTK_RANGE(widget), adj->value - value * (adj->upper - adj->lower));
+ return;
+ }
+
+ double angle = atan2(-posx, posy) + M_PI; // clockwise, zero at 6 o'clock, 0 .. 2*M_PI
+ if (drag) {
+ // block "forbidden zone" and direct moves between quadrant 1 and 4
+ int quadrant = 1 + int(angle/M_PI_2);
+ if (knob->last_quadrant == 1 && (quadrant == 3 || quadrant == 4)) {
+ angle = scale_zero;
+ } else if (knob->last_quadrant == 4 && (quadrant == 1 || quadrant == 2)) {
+ angle = 2*M_PI - scale_zero;
+ } else {
+ if (angle < scale_zero) {
+ angle = scale_zero;
+ } else if (angle > 2*M_PI - scale_zero) {
+ angle = 2*M_PI - scale_zero;
+ }
+ knob->last_quadrant = quadrant;
+ }
+ } else {
+ if (angle < scale_zero) {
+ angle = scale_zero;
+ } else if (angle > 2*M_PI - scale_zero) {
+ angle = 2*M_PI - scale_zero;
+ }
+ knob->last_quadrant = 0;
+ }
+ angle = (angle - scale_zero) / (2 * (M_PI-scale_zero)); // normalize to 0..1
+ gtk_range_set_value(GTK_RANGE(widget), adj->lower + angle * (adj->upper - adj->lower));
+}
+
+/****************************************************************
+ ** mouse button pressed set value
+ */
+
+static gboolean gtk_knob_button_press (GtkWidget *widget, GdkEventButton *event)
+{
+ g_assert(GTK_IS_KNOB(widget));
+
+ GtkKnobClass *klass = GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget));
+
+
+ switch (event->button) {
+ case 1: // left button
+ gtk_widget_grab_focus(widget);
+ gtk_widget_grab_default (widget);
+ gtk_grab_add(widget);
+ klass->button_is = 1;
+ knob_pointer_event(widget, event->x, event->y, klass->knob_x, klass->knob_y,
+ false, event->state);
+ break;
+ case 2: //wheel
+ klass->button_is = 2;
+ break;
+ case 3: // right button
+ klass->button_is = 3;
+ break;
+ default: // do nothing
+ break;
+ }
+ return TRUE;
+}
+
+/****************************************************************
+ ** mouse button release
+ */
+
+static gboolean gtk_knob_button_release (GtkWidget *widget, GdkEventButton *event)
+{
+ g_assert(GTK_IS_KNOB(widget));
+ GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget))->button_is = 0;
+ if (GTK_WIDGET_HAS_GRAB(widget))
+ gtk_grab_remove(widget);
+ return FALSE;
+}
+
+/****************************************************************
+ ** set the value from mouse movement
+ */
+
+static gboolean gtk_knob_pointer_motion (GtkWidget *widget, GdkEventMotion *event)
+{
+ g_assert(GTK_IS_KNOB(widget));
+ GtkKnobClass *klass = GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget));
+
+ gdk_event_request_motions (event);
+
+ if (GTK_WIDGET_HAS_GRAB(widget)) {
+ knob_pointer_event(widget, event->x, event->y, klass->knob_x, klass->knob_y,
+ true, event->state);
+ }
+ return FALSE;
+}
+
+/****************************************************************
+ ** set value from mouseweel
+ */
+
+static gboolean gtk_knob_scroll (GtkWidget *widget, GdkEventScroll *event)
+{
+ usleep(5000);
+ gtk_knob_set_value(widget, event->direction);
+ return FALSE;
+}
+
+/****************************************************************
+ ** init the GtkKnobClass
+ */
+
+static void gtk_knob_class_init (GtkKnobClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
+
+ /** set here the sizes and steps for the used knob **/
+//--------- small knob size and steps
+
+ klass->knob_x = 30;
+ klass->knob_y = 30;
+ klass->knob_step = 86;
+
+//--------- event button
+ klass->button_is = 0;
+
+//--------- connect the events with funktions
+ widget_class->expose_event = gtk_knob_expose;
+ widget_class->size_request = gtk_knob_size_request;
+ widget_class->button_press_event = gtk_knob_button_press;
+ widget_class->button_release_event = gtk_knob_button_release;
+ widget_class->motion_notify_event = gtk_knob_pointer_motion;
+ widget_class->key_press_event = gtk_knob_key_press;
+ widget_class->scroll_event = gtk_knob_scroll;
+}
+
+/****************************************************************
+ ** init the Knob type/size
+ */
+
+static void gtk_knob_init (GtkKnob *knob)
+{
+ GtkWidget *widget = GTK_WIDGET(knob);
+ GtkKnobClass *klass = GTK_KNOB_CLASS(GTK_OBJECT_GET_CLASS(widget));
+
+ GTK_WIDGET_SET_FLAGS (GTK_WIDGET(knob), GTK_CAN_FOCUS);
+ GTK_WIDGET_SET_FLAGS (GTK_WIDGET(knob), GTK_CAN_DEFAULT);
+
+ widget->requisition.width = klass->knob_x;
+ widget->requisition.height = klass->knob_y;
+
+}
+
+/****************************************************************
+ ** redraw when value changed
+ */
+
+static gboolean gtk_knob_value_changed(gpointer obj)
+{
+ GtkWidget *widget = (GtkWidget *)obj;
+ gtk_widget_queue_draw(widget);
+ return FALSE;
+}
+
+/****************************************************************
+ ** create small knob
+ */
+
+GtkWidget *GtkKnob::gtk_knob_new_with_adjustment(GtkAdjustment *_adjustment)
+{
+ GtkWidget *widget = GTK_WIDGET( g_object_new (GTK_TYPE_KNOB, NULL ));
+ GtkKnob *knob = GTK_KNOB(widget);
+ knob->last_quadrant = 0;
+ if (widget) {
+ gtk_range_set_adjustment(GTK_RANGE(widget), _adjustment);
+ g_signal_connect(GTK_OBJECT(widget), "value-changed",
+ G_CALLBACK(gtk_knob_value_changed), widget);
+ }
+ return widget;
+}
+
+/****************************************************************
+ ** get the Knob type
+ */
+
+GType gtk_knob_get_type (void)
+{
+ static GType kn_type = 0;
+ if (!kn_type) {
+ static const GTypeInfo kn_info = {
+ sizeof(GtkKnobClass), NULL, NULL, (GClassInitFunc)gtk_knob_class_init, NULL, NULL, sizeof (GtkKnob), 0, (GInstanceInitFunc)gtk_knob_init
+ };
+ kn_type = g_type_register_static(GTK_TYPE_RANGE, "GtkKnob", &kn_info, (GTypeFlags)0);
+ }
+ return kn_type;
+}
+}/* end of gtk_knob namespace */
+
+gtk_knob::GtkKnob myGtkKnob;
+
+/**
+ * rmWhiteSpaces(): Remove the leading and trailing white spaces of a string
+ * (but not those in the middle of the string)
+ */
+static string rmWhiteSpaces(const string& s)
+{
+ size_t i = s.find_first_not_of(" \t");
+ size_t j = s.find_last_not_of(" \t");
+
+ if (i != string::npos & j != string::npos) {
+ return s.substr(i, 1+j-i);
+ } else {
+ return "";
+ }
+}
+
+
+/**
+ * Extracts metdata from a label : 'vol [unit: dB]' -> 'vol' + metadata
+ */
+static void extractMetadata(const string& fulllabel, string& label, map<string, string>& metadata)
+{
+ enum {kLabel, kEscape1, kEscape2, kEscape3, kKey, kValue};
+ int state = kLabel; int deep = 0;
+ string key, value;
+
+ for (unsigned int i=0; i < fulllabel.size(); i++) {
+ char c = fulllabel[i];
+ switch (state) {
+ case kLabel :
+ assert (deep == 0);
+ switch (c) {
+ case '\\' : state = kEscape1; break;
+ case '[' : state = kKey; deep++; break;
+ default : label += c;
+ }
+ break;
+
+ case kEscape1 :
+ label += c;
+ state = kLabel;
+ break;
+
+ case kEscape2 :
+ key += c;
+ state = kKey;
+ break;
+
+ case kEscape3 :
+ value += c;
+ state = kValue;
+ break;
+
+ case kKey :
+ assert (deep > 0);
+ switch (c) {
+ case '\\' : state = kEscape2;
+ break;
+
+ case '[' : deep++;
+ key += c;
+ break;
+
+ case ':' : if (deep == 1) {
+ state = kValue;
+ } else {
+ key += c;
+ }
+ break;
+ case ']' : deep--;
+ if (deep < 1) {
+ metadata[rmWhiteSpaces(key)] = "";
+ state = kLabel;
+ key="";
+ value="";
+ } else {
+ key += c;
+ }
+ break;
+ default : key += c;
+ }
+ break;
+
+ case kValue :
+ assert (deep > 0);
+ switch (c) {
+ case '\\' : state = kEscape3;
+ break;
+
+ case '[' : deep++;
+ value += c;
+ break;
+
+ case ']' : deep--;
+ if (deep < 1) {
+ metadata[rmWhiteSpaces(key)]=rmWhiteSpaces(value);
+ state = kLabel;
+ key="";
+ value="";
+ } else {
+ value += c;
+ }
+ break;
+ default : value += c;
+ }
+ break;
+
+ default :
+ cerr << "ERROR unrecognized state " << state << endl;
+ }
+ }
+ label = rmWhiteSpaces(label);
+}
+
+
+class GTKUI : public GUI
+{
+ private :
+ static bool fInitialized;
+ static map<float*, float> fGuiSize; // map widget zone with widget size coef
+ static map<float*, string> fTooltip; // map widget zone with tooltip strings
+ static set<float*> fKnobSet; // set of widget zone to be knobs
+ string gGroupTooltip;
+
+ bool isKnob(float* zone){return fKnobSet.count(zone) > 0;}
+
+ 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);
+
+ // -- Labels and metadata
+
+ virtual void declare (float* zone, const char* key, const char* value);
+ virtual int checkLabelOptions (GtkWidget* widget, const string& fullLabel, string& simplifiedLabel);
+ virtual void checkForTooltip (float* zone, GtkWidget* widget);
+
+ // -- 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 = "");
+
+ // -- extra widget's layouts
+
+ virtual void openDialogBox(const char* label, float* zone);
+ virtual void openEventBox(const char* label = "");
+ virtual void openHandleBox(const char* label = "");
+ virtual void openExpanderBox(const char* label, float* zone);
+
+ virtual void closeBox();
+ virtual void adjustStack(int n);
+
+ // -- 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 addKnob(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;
+map<float*, float> GTKUI::fGuiSize;
+map<float*, string> GTKUI::fTooltip;
+set<float*> GTKUI::fKnobSet; // set of widget zone to be knobs
+
+/**
+* Format tooltip string by replacing some white spaces by
+* return characters so that line width doesn't exceed n.
+* Limitation : long words exceeding n are not cut
+*/
+static string formatTooltip(int n, const string& tt)
+{
+ string ss = tt; // ss string we are going to format
+ int lws = 0; // last white space encountered
+ int lri = 0; // last return inserted
+ for (int i=0; i<tt.size(); i++) {
+ if (tt[i] == ' ') lws = i;
+ if (((i-lri) >= n) && (lws > lri)) {
+ // insert return here
+ ss[lws] = '\n';
+ lri = lws;
+ }
+ }
+ cout << ss;
+ return ss;
+}
+
+
+
+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;
+}
+
+
+/**
+ * Remove n levels from the stack S before the top level
+ * adjustStack(n): S -> S' with S' = S(0),S(n+1),S(n+2),...
+ */
+void GTKUI::adjustStack(int n)
+{
+ if (n > 0) {
+ assert(fTop >= n);
+
+ fTop -= n;
+ fMode[fTop] = fMode[fTop+n];
+ fBox[fTop] = fBox[fTop+n];
+ }
+}
+
+void GTKUI::closeBox()
+{
+ --fTop;
+ assert(fTop >= 0);
+}
+
+
+/**
+ * Analyses the widget zone metadata declarations and takes
+ * appropriate actions
+ */
+void GTKUI::declare(float* zone, const char* key, const char* value)
+{
+ if (zone == 0) {
+ // special zone 0 means group metadata
+ if (strcmp(key,"tooltip")==0) {
+ // only group tooltip are currently implemented
+ gGroupTooltip = formatTooltip(30, value);
+ }
+ } else {
+ if (strcmp(key,"size")==0) {
+ fGuiSize[zone]=atof(value);
+ }
+ else if (strcmp(key,"tooltip")==0) {
+ fTooltip[zone] = formatTooltip(30,value) ;
+ }
+ else if (strcmp(key,"style")==0) {
+ if (strcmp(value,"knob") == 0) {
+ fKnobSet.insert(zone);
+ }
+ }
+ }
+}
+
+
+
+/**
+ * Analyses a full label and activates the relevant options. returns a simplified
+ * label (without options) and an amount of stack adjustement (in case additional
+ * containers were pushed on the stack).
+ */
+
+int GTKUI::checkLabelOptions(GtkWidget* widget, const string& fullLabel, string& simplifiedLabel)
+{
+ map<string, string> metadata;
+ extractMetadata(fullLabel, simplifiedLabel, metadata);
+
+ if (metadata.count("tooltip")) {
+ gtk_tooltips_set_tip (gtk_tooltips_new (), widget, metadata["tooltip"].c_str(), NULL);
+ }
+ if (metadata["option"] == "detachable") {
+ openHandleBox(simplifiedLabel.c_str());
+ return 1;
+ }
+
+ //---------------------
+ if (gGroupTooltip != string()) {
+ gtk_tooltips_set_tip (gtk_tooltips_new (), widget, gGroupTooltip.c_str(), NULL);
+ gGroupTooltip = string();
+ }
+
+ //----------------------
+
+ // no adjustement of the stack needed
+ return 0;
+}
+
+/**
+ * Check if a tooltip is associated to a zone and add it to the corresponding widget
+ */
+void GTKUI::checkForTooltip(float* zone, GtkWidget* widget)
+{
+ if (fTooltip.count(zone)) {
+ gtk_tooltips_set_tip (gtk_tooltips_new (), widget, fTooltip[zone].c_str(), NULL);
+ }
+}
+
+
+// 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* fullLabel)
+{
+ string label;
+ GtkWidget* widget = gtk_notebook_new();
+
+ int adjust = checkLabelOptions(widget, fullLabel, label);
+
+ pushBox(kTabMode, addWidget(label.c_str(), widget));
+
+ // adjust stack because otherwise Handlebox will remain open
+ adjustStack(adjust);
+}
+
+
+void GTKUI::openHorizontalBox(const char* fullLabel)
+{
+ string label;
+ GtkWidget* box = gtk_hbox_new (homogene, 4);
+ int adjust = checkLabelOptions(box, fullLabel, label);
+
+ gtk_container_set_border_width (GTK_CONTAINER (box), 10);
+
+ if (fMode[fTop] != kTabMode && label[0] != 0) {
+ GtkWidget * frame = addWidget(label.c_str(), gtk_frame_new (label.c_str()));
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ } else {
+ pushBox(kBoxMode, addWidget(label.c_str(), box));
+ }
+
+ // adjust stack because otherwise Handlebox will remain open
+ adjustStack(adjust);
+}
+
+
+void GTKUI::openVerticalBox(const char* fullLabel)
+{
+ string label;
+ GtkWidget * box = gtk_vbox_new (homogene, 4);
+ int adjust = checkLabelOptions(box, fullLabel, label);
+
+ gtk_container_set_border_width (GTK_CONTAINER (box), 10);
+
+ if (fMode[fTop] != kTabMode && label[0] != 0) {
+ GtkWidget * frame = addWidget(label.c_str(), gtk_frame_new (label.c_str()));
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ } else {
+ pushBox(kBoxMode, addWidget(label.c_str(), box));
+ }
+
+ // adjust stack because otherwise Handlebox will remain open
+ adjustStack(adjust);
+}
+
+
+void GTKUI::openHandleBox(const char* label)
+{
+ GtkWidget * box = gtk_hbox_new (homogene, 4);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 2);
+ if (fMode[fTop] != kTabMode && label[0] != 0)
+ {
+ GtkWidget * frame = addWidget(label, gtk_handle_box_new ());
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ }
+ else
+ {
+ pushBox(kBoxMode, addWidget(label, box));
+ }
+}
+
+
+void GTKUI::openEventBox(const char* label)
+{
+ GtkWidget * box = gtk_hbox_new (homogene, 4);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 2);
+ if (fMode[fTop] != kTabMode && label[0] != 0)
+ {
+ GtkWidget * frame = addWidget(label, gtk_event_box_new ());
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+ }
+ else
+ {
+ pushBox(kBoxMode, addWidget(label, box));
+ }
+}
+
+
+struct uiExpanderBox : public uiItem
+{
+ GtkExpander* fButton;
+ uiExpanderBox(GUI* ui, float* zone, GtkExpander* b) : uiItem(ui, zone), fButton(b) {}
+ static void expanded (GtkWidget *widget, gpointer data)
+ {
+ float v = gtk_expander_get_expanded (GTK_EXPANDER(widget));
+ if (v == 1.000000)
+ {
+ v = 0;
+ }
+ else v = 1;
+ ((uiItem*)data)->modifyZone(v);
+ }
+
+ virtual void reflectZone()
+ {
+ float v = *fZone;
+ fCache = v;
+ gtk_expander_set_expanded(GTK_EXPANDER(fButton), v);
+ }
+};
+
+void GTKUI::openExpanderBox(const char* label, float* zone)
+{
+ *zone = 0.0;
+ GtkWidget * box = gtk_hbox_new (homogene, 4);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 2);
+ if (fMode[fTop] != kTabMode && label[0] != 0)
+ {
+ GtkWidget * frame = addWidget(label, gtk_expander_new (label));
+ gtk_container_add (GTK_CONTAINER(frame), box);
+ uiExpanderBox* c = new uiExpanderBox(this, zone, GTK_EXPANDER(frame));
+ gtk_signal_connect (GTK_OBJECT (frame), "activate", GTK_SIGNAL_FUNC (uiExpanderBox::expanded), (gpointer)c);
+ 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 (GUI* 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);
+
+ checkForTooltip(zone, button);
+}
+
+// --------------------------- Toggle Buttons ---------------------------
+
+struct uiToggleButton : public uiItem
+{
+ GtkToggleButton* fButton;
+
+ uiToggleButton(GUI* 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);
+
+ checkForTooltip(zone, button);
+}
+
+
+
+void show_dialog(GtkWidget *widget, gpointer data)
+{
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widget)) == TRUE)
+ {
+ gtk_widget_show(GTK_WIDGET(data));
+ gint root_x, root_y;
+ gtk_window_get_position (GTK_WINDOW(data), &root_x, &root_y);
+ root_y -= 120;
+ gtk_window_move(GTK_WINDOW(data), root_x, root_y);
+ }
+ else gtk_widget_hide(GTK_WIDGET(data));
+}
+
+static gboolean deleteevent( GtkWidget *widget, gpointer data )
+{
+return TRUE;
+}
+
+void GTKUI::openDialogBox(const char* label, float* zone)
+{
+ // create toplevel window and set properties
+ GtkWidget * dialog = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_decorated(GTK_WINDOW(dialog), TRUE);
+ gtk_window_set_deletable(GTK_WINDOW(dialog), FALSE);
+ gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
+ gtk_window_set_gravity(GTK_WINDOW(dialog), GDK_GRAVITY_SOUTH);
+ gtk_window_set_transient_for (GTK_WINDOW(dialog), GTK_WINDOW(fWindow));
+ gtk_window_set_position (GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
+ gtk_window_set_keep_below (GTK_WINDOW(dialog), FALSE);
+ gtk_window_set_title (GTK_WINDOW (dialog), label);
+ g_signal_connect (G_OBJECT (dialog), "delete_event", G_CALLBACK (deleteevent), NULL);
+ gtk_window_set_destroy_with_parent(GTK_WINDOW(dialog), TRUE);
+
+ GtkWidget * box = gtk_hbox_new (homogene, 4);
+
+ *zone = 0.0;
+ GtkWidget* button = gtk_toggle_button_new ();
+ gtk_signal_connect (GTK_OBJECT (button), "toggled", GTK_SIGNAL_FUNC (show_dialog), (gpointer) dialog);
+
+ gtk_container_add (GTK_CONTAINER(fBox[fTop]), button);
+ gtk_container_add (GTK_CONTAINER(dialog), box);
+ gtk_widget_show (button);
+ gtk_widget_show(box);
+ pushBox(kBoxMode, box);
+}
+
+
+
+
+// --------------------------- Check Button ---------------------------
+
+struct uiCheckButton : public uiItem
+{
+ GtkToggleButton* fButton;
+
+ uiCheckButton(GUI* 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);
+
+ checkForTooltip(zone, button);
+}
+
+
+// --------------------------- Adjustmenty based widgets ---------------------------
+
+struct uiAdjustment : public uiItem
+{
+ GtkAdjustment* fAdj;
+
+ uiAdjustment(GUI* 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);
+ }
+};
+
+// --------------------------- format knob value display ---------------------------
+
+struct uiValueDisplay : public uiItem
+{
+ GtkLabel* fLabel;
+ int fPrecision ;
+
+ uiValueDisplay(GUI* 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 if (fPrecision == 1)
+ {
+ const char* format[] = {"%.1f", "%.2f", "%.3f"};
+ snprintf(s, 63, format[1-1], v);
+ }
+ else if (fPrecision == 2)
+ {
+ const char* format[] = {"%.1f", "%.2f", "%.3f"};
+ snprintf(s, 63, format[2-1], v);
+ }
+ else
+ {
+ const char* format[] = {"%.1f", "%.2f", "%.3f"};
+ snprintf(s, 63, format[3-1], v);
+ }
+ gtk_label_set_text(fLabel, s);
+ }
+};
+
+// ------------------------------- Knob -----------------------------------------
+
+void GTKUI::addKnob(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_vbox_new (FALSE, 0);
+ GtkWidget* fil = gtk_vbox_new (FALSE, 0);
+ GtkWidget* rei = gtk_vbox_new (FALSE, 0);
+ GtkWidget* re =myGtkKnob.gtk_knob_new_with_adjustment(GTK_ADJUSTMENT(adj));
+ GtkWidget* lw = gtk_label_new("");
+ new uiValueDisplay(this, zone, GTK_LABEL(lw),precision(step));
+ gtk_container_add (GTK_CONTAINER(rei), re);
+ if(fGuiSize[zone]) {
+ float size = 30 * fGuiSize[zone];
+ gtk_widget_set_size_request(rei, size, size );
+ gtk_box_pack_start (GTK_BOX(slider), fil, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX(slider), rei, FALSE, FALSE, 0);
+ } else {
+ gtk_container_add (GTK_CONTAINER(slider), fil);
+ gtk_container_add (GTK_CONTAINER(slider), rei);
+ }
+ gtk_container_add (GTK_CONTAINER(slider), lw);
+ gtk_widget_show_all(slider);
+
+ if (label && label[0]!=0) {
+ openFrameBox(label);
+ addWidget(label, slider);
+ closeBox();
+ } else {
+ addWidget(label, slider);
+ }
+
+ checkForTooltip(zone, slider);
+}
+
+// -------------------------- Vertical Slider -----------------------------------
+
+void GTKUI::addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
+{
+ if (isKnob(zone)) {
+ addKnob(label, zone, init, min, max, step);
+ return;
+ }
+ *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_scale_set_digits(GTK_SCALE(slider), precision(step));
+ float size = 160;
+ if(fGuiSize[zone]) {
+ size = 160 * fGuiSize[zone];
+ }
+ gtk_widget_set_size_request(slider, -1, size);
+
+ gtk_range_set_inverted (GTK_RANGE(slider), TRUE);
+
+ if (label && label[0]!=0) {
+ openFrameBox(label);
+ addWidget(label, slider);
+ closeBox();
+ } else {
+ addWidget(label, slider);
+ }
+
+ checkForTooltip(zone, slider);
+}
+
+// -------------------------- Horizontal Slider -----------------------------------
+
+void GTKUI::addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
+{
+ if (isKnob(zone)) {
+ addKnob(label, zone, init, min, max, step);
+ return;
+ }
+ *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));
+ float size = 160;
+ if(fGuiSize[zone]) {
+ size = 160 * fGuiSize[zone];
+ }
+ gtk_widget_set_size_request(slider, size, -1);
+
+ if (label && label[0]!=0) {
+ openFrameBox(label);
+ addWidget(label, slider);
+ closeBox();
+ } else {
+ addWidget(label, slider);
+ }
+
+ checkForTooltip(zone, slider);
+}
+
+
+// ------------------------------ Num Entry -----------------------------------
+
+void GTKUI::addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
+{
+ if (isKnob(zone)) {
+ addKnob(label, zone, init, min, max, step);
+ return;
+ }
+ *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));
+
+ openFrameBox(label);
+ addWidget(label, spinner);
+ closeBox();
+
+ checkForTooltip(zone, spinner);
+}
+
+
+// ========================== passive widgets ===============================
+
+
+// ------------------------------ Progress Bar -----------------------------------
+
+struct uiBargraph : public uiItem
+{
+ GtkProgressBar* fProgressBar;
+ float fMin;
+ float fMax;
+
+ uiBargraph(GUI* 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();
+
+ checkForTooltip(zone, pb);
+}
+
+
+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();
+
+ checkForTooltip(zone, pb);
+}
+
+
+// ------------------------------ Num Display -----------------------------------
+
+struct uiNumDisplay : public uiItem
+{
+ GtkLabel* fLabel;
+ int fPrecision;
+
+ uiNumDisplay(GUI* 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();
+
+ checkForTooltip(zone, lw);
+}
+
+
+// ------------------------------ Text Display -----------------------------------
+
+struct uiTextDisplay : public uiItem
+{
+ GtkLabel* fLabel;
+ const char** fNames;
+ float fMin;
+ float fMax;
+ int fNum;
+
+
+ uiTextDisplay (GUI* 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();
+
+ checkForTooltip(zone, lw);
+}
+
+
+
+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)
+{
+ GUI::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();
+}
+
+
+
+#endif
+
projects / Faustine.git / blobdiff