/**
* Sends update to source for camera adjustment
*/
void exposure_value_changed (GtkAdjustment *adj, Win* w)
{
/* exposure should be handled logarithmically */
double rmin;
double rmax;
/* retrieve exposure boundaries */
arv_camera_get_exposure_time_bounds (p.camera, &rmin, &rmax);
/* get new value */
double pos = adj->value;
if (isnan(pos))
{
pos = 1.0;
}
/* since exposure is a logarithmic scale we do the math */
double min = log(rmin);
double rangelen = log(rmax) - min;
double val = exp( min + rangelen / ABSVAL_SLIDER_TICKS * pos );
if( val > rmax ) val = rmax;
if( val < rmin ) val = rmin;
/* always set exposure and gain via aravisrc to assure everybody gets the new values */
g_object_set (G_OBJECT (p.source), "exposure", val, NULL);
/* update our slides label */
set_slider_label (GTK_LABEL(w->exposure_value_label), val);
}
static void
slider_changed (GtkRange * range, VidState * s)
{
ControlInfo * ci = g_object_get_data (G_OBJECT (range), "control_info");
InputControl * c = s->control + ci->idx;
int val = (int) gtk_range_get_value (range);
if (input_set_control (videoIn, c, val) == 0) {
set_slider_label (range);
printf ("changed to %d\n", val);
}
else {
printf ("changed to %d, but set failed\n", val);
}
if (input_get_control (videoIn, c, &val) == 0) {
printf ("hardware value is %d\n", val);
}
else {
printf ("hardware get failed\n");
}
}
void
EditButtonWindow::MessageReceived(BMessage *msg)
{
BMessage mymsg(51000);
int32 id,vl;
BTextControl *xt = NULL;
char *txt = "";
WrkWindow *win = DefWin,*wi = OldWindow;
msg->FindInt32("be:value",&vl);
msg->FindInt32("index",&id);
if (msg->FindPointer("source",(void **)&xt) == B_OK)
{
if (is_instance_of(xt,BTextControl))
{
txt = xt->Text();
}
}
switch(msg->what)
{
case 73500:
case 73501:
case 73502:
{
CheckItemBox *it;
int k;
for (k = 0; k < idcmp->CountItems(); k++)
{
if (it = (CheckItemBox *)idcmp->ItemAt(k))
{
switch(msg->what)
{
case 73500: it->checked = true; break;
case 73501: it->checked = false; break;
case 73502: it->checked = !it->checked; break;
}
ChangeFlags(k,it->checked);
idcmp->InvalidateItem(idcmp->IndexOf(it));
}
}
}
break;
case 73600:
case 73601:
case 73602:
{
CheckItemBox *it;
int k;
for (k = 0; k < lv->CountItems(); k++)
{
if (it = (CheckItemBox *)lv->ItemAt(k))
{
switch(msg->what)
{
case 73600: it->checked = true; break;
case 73601: it->checked = false; break;
case 73602: it->checked = !it->checked; break;
}
ChangeView(k,it->checked);
lv->InvalidateItem(lv->IndexOf(it));
}
}
}
break;
case 2200:
{
OpenColorPicker(msg);
}
break;
case BEAIM_NEW_COLOR_PICKED:
{
ColorView *bt;
if (msg->FindPointer("pt",(void **)&bt) == B_OK)
{
rgb_color cl,*startColor;
ssize_t size;
msg->FindData( "color",B_RGB_COLOR_TYPE,(const void**)&startColor,&size );
cl.red = startColor->red;
cl.green = startColor->green;
cl.blue = startColor->blue;
bt->SetColor(cl);
}
SetNewColor(msg);
}
break;
case tab_tab_list:
{
AddListWindow(win->sellist.ItemAt(0));
}
break;
case tab_menu_list:
{
create_mmxmenu();
}
break;
case tab_menu_editlist:
{
struct MyGadget *gad;
if (gad = win->sellist.ItemAt(0))
{
window_menu(&gad->name);
}
}
break;
case window_minh:
{
if (wi)
{
wi->minh = vl;
}
}
break;
case window_maxh:
{
if (wi)
{
wi->maxh = vl;
}
}
break;
case window_minw:
{
if (wi)
{
wi->minw = vl;
}
}
break;
case window_maxw:
{
if (wi)
{
wi->maxw = vl;
}
}
break;
case tab_font:
{
struct MyGadget *gad;
if (wi = win)
{
if (gad = win->sellist.ItemAt(0))
{
font_window(gad->FontType,gad->FontSize,gad->FontAntiliasing,&gad->FontName[0],&gad->FontStyle[0]);
}
else
{
font_window(wi->FontType,wi->FontSize,wi->FontAntiliasing,&wi->FontName[0],&wi->FontStyle[0]);
}
}
}
break;
case window_type:
{
if (wi)
{
wi->typewin = id;
ChangeWindowType(wi,id);
}
}
break;
case window_look:
{
if (wi)
{
wi->look = id;
}
}
break;
case window_feel:
{
if (wi)
{
wi->feel = id;
}
}
break;
case window_workspace:
{
if (wi)
{
wi->wrk = id;
}
}
break;
case 9000:
{
mymsg.AddInt32("x",vl);
win->PostMessage(&mymsg);
}
break;
case 9001:
{
mymsg.AddInt32("y",vl);
win->PostMessage(&mymsg);
}
break;
case 9002:
{
mymsg.AddInt32("w",vl);
win->PostMessage(&mymsg);
}
break;
case 9003:
{
mymsg.AddInt32("h",vl);
win->PostMessage(&mymsg);
}
break;
case 9004:
{
if (strcmp(txt,"") != 0)
{
if (is_title_available(txt))
{
if (win)
{
if (gad = win->sellist.ItemAt(0))
{
strcpy(&gad->Name[0],txt);
}
else
{
strcpy(&win->Name[0],txt);
}
}
}
else
{
err: if (EditorWin)
{
BAutolock lock(EditorWin);
if (win)
{
if (gad = win->sellist.ItemAt(0))
{
EditorWin->name->SetText(&gad->Name[0]);
}
else
{
EditorWin->name->SetText(&win->Name[0]);
}
}
}
}
}
else
{
::beep();
goto err;
}
}
break;
case 9005:
{
if (win)
{
if (gad = win->sellist.ItemAt(0))
{
strcpy(&gad->Title[0],txt);
ChangeGadgetLabel(gad,txt);
}
else
{
strcpy(&win->WTitle[0],txt);
win->Lock();
win->ChangeTitleWindow();
win->Unlock();
}
}
}
break;
case 9006:
{
if (gad)
{
gad->msg = atoi(txt);
}
}
break;
case tab_focus:
{
gad->focus = id;
}
break;
case align_type:
{
if (id == 2)
{
EnableRadio(true);
SetChoiceInMenu(alignx->Menu(),gad->alignx,true);
SetChoiceInMenu(aligny->Menu(),gad->aligny,true);
}
else
{
EnableRadio(false);
}
gad->align = id;
}
break;
case align_x:
{
gad->alignx = id;
}
break;
case align_y:
{
gad->aligny = id;
}
break;
case gad_derived:
{
gad->derived = vl;
}
break;
//**************************** BUTTON *****************
case tab_button_default:
{
gad->data.button.defaut = id;
set_button_defaut(gad,id);
}
break;
case tab_button_enabled:
case tab_checkbox_enabled:
{
gad->enable = id;
SetEnableGadget(gad,id);
}
break;
//**************************** BBOX *****************
case tab_bbox_border:
{
gad->data.bbox.style = id;
set_bbox_border(gad,id);
}
break;
case tab_bbox_label:
{
strcpy(&gad->data.bbox.Label[0],txt);
set_bbox_label(gad,txt);
}
break;
//**************************** CHECKBOX *****************
case tab_checkbox_checked:
{
gad->data.bcheckbox.checked = id;
set_checkbox_checked(gad,id);
}
break;
//**************************** RADIO *****************
case tab_radio_value:
{
gad->data.rad.val = id;
set_radio_checked(gad,id);
}
break;
case tab_radio_enable:
{
gad->enable = id;
set_radio_enabled(gad,id);
}
break;
//**************************** STRING *****************
case tab_string_alignlab:
{
gad->data.string.alignlab = id;
set_string_alignment_label(gad,id);
}
break;
case tab_string_aligntxt:
{
gad->data.string.aligntxt = id;
set_string_alignment_text(gad,id);
}
break;
case tab_string_diviser:
{
gad->data.string.pixdiv = vl;
set_string_divider(gad,vl);
}
break;
case tab_string_label:
{
strcpy(&gad->data.string.Text[0],txt);
set_string_label(gad,txt);
}
break;
//**************************** STATUS *****************
case tab_status_trail:
{
strcpy(&gad->data.sta.Trail[0],txt);
set_status_label(gad,txt);
}
break;
case tab_status_label:
{
strcpy(&gad->data.sta.Label[0],txt);
set_status_trail(gad,txt);
}
break;
case tab_status_value:
{
gad->data.sta.value = vl;
set_status_value(gad,vl);
}
break;
case tab_status_barheight:
{
gad->data.sta.barheight = vl;
set_status_barheight(gad,vl);
}
break;
case tab_status_max:
{
gad->data.sta.maxvalue = vl;
set_status_maxvalue(gad,vl);
}
break;
//**************************** SCROLLER *****************
case tab_scroller_value:
{
gad->data.bscroller.pos = vl;
set_scroller_value(gad,vl);
}
break;
case tab_scroller_min:
{
gad->data.bscroller.min = vl;
}
break;
case tab_scroller_max:
{
gad->data.bscroller.max = vl;
}
break;
case tab_scroller_minstep:
{
gad->data.bscroller.minstep = vl;
set_scroller_minstep(gad,vl);
}
break;
case tab_scroller_maxstep:
{
gad->data.bscroller.maxstep = vl;
set_scroller_maxstep(gad,vl);
}
break;
case tab_scroller_minrange:
{
gad->data.bscroller.minrange = vl;
set_scroller_minrange(gad,vl);
}
break;
case tab_scroller_maxrange:
{
gad->data.bscroller.maxrange = vl;
set_scroller_maxrange(gad,vl);
}
break;
//**************************** TAB *****************
case tab_tab_width:
{
gad->data.tab.tabwidth = id;
set_tab_width(gad,id);
}
break;
case tab_tab_height:
{
gad->data.tab.tabheight = vl;
set_tab_height(gad,vl);
}
break;
case tab_tab_selected:
{
gad->data.tab.sel = vl;
set_tab_select(gad,vl);
}
break;
//**************************** MX *****************
case tab_mx_align:
{
gad->data.mx.align = id;
set_mx_align(gad,id);
}
break;
case tab_mx_diviser:
{
gad->data.mx.pixdiv = vl;
set_mx_divider(gad,vl);
}
break;
case tab_mx_label:
{
strcpy(&gad->data.mx.Label[0],txt);
set_mx_label(gad,txt);
}
break;
//**************************** SLIDER *****************
case tab_slider_style:
{
gad->data.bslider.style = id;
set_slider_style(gad,id);
}
break;
case tab_slider_hashtype:
{
gad->data.bslider.hashtype = id;
set_slider_hashtype(gad,id);
}
break;
case tab_slider_hashcount:
{
gad->data.bslider.hashcount = vl;
set_slider_hashcount(gad,vl);
}
break;
case tab_slider_value:
{
gad->data.bslider.pos = vl;
set_slider_value(gad,vl);
}
break;
case tab_slider_min:
{
gad->data.bslider.min = vl;
}
break;
case tab_slider_max:
{
gad->data.bslider.max = vl;
}
break;
case tab_slider_thickness:
{
gad->data.bslider.thickness = vl;
set_slider_thickness(gad,vl);
}
break;
case tab_slider_keyinc:
{
gad->data.bslider.keyinc = vl;
set_slider_keyinc(gad,vl);
}
break;
case tab_slider_label:
{
strcpy(&gad->data.bslider.Label[0],txt);
set_slider_label(gad,txt);
}
break;
case tab_slider_minlabel:
{
strcpy(&gad->data.bslider.MinLabel[0],txt);
set_slider_minlabel(gad,txt);
}
break;
case tab_slider_maxlabel:
{
strcpy(&gad->data.bslider.MaxLabel[0],txt);
set_slider_maxlabel(gad,txt);
}
break;
//**************************** COLOR *****************
case tab_color_layout:
{
gad->data.col.layout = id;
set_color_layout(gad,id);
}
break;
case tab_color_cellsize:
{
gad->data.col.cellsize = id;
set_color_cellsize(gad,id);
}
break;
case tab_color_drawbuffered:
{
gad->data.col.redrawbuffer = id;
}
break;
//**************************** LV *****************
case tab_lv_multi:
{
gad->data.lv.multi = id;
}
break;
//**************************** OLV *****************
case tab_olv_multi:
{
gad->data.olv.multi = id;
}
break;
//**************************** TEXT *****************
case tab_text_align:
{
gad->data.txt.align = id;
set_text_align(gad,id);
}
break;
case tab_number_align:
{
gad->data.num.align = id;
set_text_align(gad,id);
}
break;
case tab_text_label:
{
strcpy(&gad->data.txt.Label[0],txt);
set_text_text(gad,txt);
}
break;
case tab_number_number:
{
strcpy(&gad->data.num.Label[0],txt);
set_number_value(gad,atoi(txt));
}
break;
//**************************** TEDIT *****************
case tab_tedit_align:
{
gad->data.edi.align = id;
}
break;
case tab_tedit_selectable:
{
gad->data.edi.selectable = id;
}
break;
case tab_tedit_editable:
{
gad->data.edi.editable = id;
}
break;
case tab_tedit_wordwrap:
{
gad->data.edi.wordwrap = id;
}
break;
case tab_tedit_setstylable:
{
gad->data.edi.stylable = id;
}
break;
case tab_tedit_autoident:
{
gad->data.edi.autoident = id;
}
break;
case tab_tedit_tabwidth:
{
gad->data.edi.tabwidth = vl;
}
break;
case tab_tedit_maxbytes:
{
gad->data.edi.maxchars = vl;
}
break;
//**************************** END *****************
default:
{
BWindow::MessageReceived(msg);
}
}
}
static void
draw_controls (VidState *s)
{
int i;
if (s->control) {
for (i = 0; i < s->num_controls; i++) {
ControlInfo * ci = s->control_info + i;
if (ci->widget)
gtk_widget_destroy (ci->widget);
if (ci->label)
gtk_widget_destroy (ci->label);
if (ci->labelval)
gtk_widget_destroy (ci->labelval);
}
free (s->control_info);
s->control_info = NULL;
input_free_controls (s->control, s->num_controls);
s->control = NULL;
}
s->control = input_enum_controls (videoIn, &s->num_controls);
//fprintf(stderr,"V4L2_CID_BASE=0x%x\n",V4L2_CID_BASE);
//fprintf(stderr,"V4L2_CID_PRIVATE_BASE=0x%x\n",V4L2_CID_PRIVATE_BASE);
//fprintf(stderr,"V4L2_CID_PRIVATE_LAST=0x%x\n",V4L2_CID_PRIVATE_LAST);
fprintf(stderr,"Controls:\n");
for (i = 0; i < s->num_controls; i++) {
fprintf(stderr,"control[%d]: 0x%x",i,s->control[i].id);
fprintf (stderr," %s, %d:%d:%d, default %d\n", s->control[i].name,
s->control[i].min, s->control[i].step, s->control[i].max,
s->control[i].default_val);
}
if((s->control_info = malloc (s->num_controls * sizeof (ControlInfo)))==NULL){
printf("couldn't allocate memory for: s->control_info\n");
exit(1);
}
for (i = 0; i < s->num_controls; i++) {
ControlInfo * ci = s->control_info + i;
InputControl * c = s->control + i;
ci->idx = i;
ci->widget = NULL;
ci->label = NULL;
ci->labelval = NULL;
if (c->id == V4L2_CID_EXPOSURE_AUTO) {
int val;
ci->widget = gtk_check_button_new_with_label (c->name);
g_object_set_data (G_OBJECT (ci->widget), "control_info", ci);
gtk_widget_show (ci->widget);
gtk_table_attach (GTK_TABLE (s->table), ci->widget, 1, 3, 3+i, 4+i,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0, 0);
if (input_get_control (videoIn, c, &val) == 0) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ci->widget),
val==AUTO_EXP ? TRUE : FALSE);
}
else {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ci->widget),
c->default_val==AUTO_EXP ? TRUE : FALSE);
gtk_widget_set_sensitive (ci->widget, FALSE);
}
if (!c->enabled) {
gtk_widget_set_sensitive (ci->widget, FALSE);
}
g_signal_connect (G_OBJECT (ci->widget), "toggled",
G_CALLBACK (check_changed), s);
} else if (c->type == INPUT_CONTROL_TYPE_INTEGER) {
PangoFontDescription * desc;
int val;
if (c->step == 0)
c->step = 1;
ci->widget = gtk_hscale_new_with_range (c->min, c->max, c->step);
gtk_scale_set_draw_value (GTK_SCALE (ci->widget), FALSE);
/* This is a hack to use always round the HScale to integer
* values. Strangely, this functionality is normally only
* available when draw_value is TRUE. */
GTK_RANGE (ci->widget)->round_digits = 0;
gtk_table_attach (GTK_TABLE (s->table), ci->widget, 1, 2, 3+i, 4+i,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0, 0);
g_object_set_data (G_OBJECT (ci->widget), "control_info", ci);
ci->maxchars = MAX (num_chars (c->min), num_chars (c->max));
gtk_widget_show (ci->widget);
ci->labelval = gtk_label_new (NULL);
gtk_table_attach (GTK_TABLE (s->table), ci->labelval, 2, 3,
3+i, 4+i, GTK_FILL, 0, 0, 0);
desc = pango_font_description_new ();
pango_font_description_set_family_static (desc, "monospace");
gtk_widget_modify_font (ci->labelval, desc);
gtk_misc_set_alignment (GTK_MISC (ci->labelval), 1, 0.5);
if (input_get_control (videoIn, c, &val) == 0) {
gtk_range_set_value (GTK_RANGE (ci->widget), val);
}
else {
gtk_range_set_value (GTK_RANGE (ci->widget), c->default_val);
gtk_widget_set_sensitive (ci->widget, FALSE);
gtk_widget_set_sensitive (ci->labelval, FALSE);
}
if (!c->enabled) {
gtk_widget_set_sensitive (ci->widget, FALSE);
gtk_widget_set_sensitive (ci->labelval, FALSE);
}
set_slider_label (GTK_RANGE (ci->widget));
g_signal_connect (G_OBJECT (ci->widget), "value-changed",
G_CALLBACK (slider_changed), s);
gtk_widget_show (ci->labelval);
ci->label = gtk_label_new (g_strdup_printf ("%s:", c->name));
}
else if (c->type == INPUT_CONTROL_TYPE_BOOLEAN) {
int val;
ci->widget = gtk_check_button_new_with_label (c->name);
g_object_set_data (G_OBJECT (ci->widget), "control_info", ci);
gtk_widget_show (ci->widget);
gtk_table_attach (GTK_TABLE (s->table), ci->widget, 1, 3, 3+i, 4+i,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0, 0);
if (input_get_control (videoIn, c, &val) == 0) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ci->widget),
val ? TRUE : FALSE);
}
else {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ci->widget),
c->default_val ? TRUE : FALSE);
gtk_widget_set_sensitive (ci->widget, FALSE);
}
if (!c->enabled) {
gtk_widget_set_sensitive (ci->widget, FALSE);
}
g_signal_connect (G_OBJECT (ci->widget), "toggled",
G_CALLBACK (check_changed), s);
}
else if (c->type == INPUT_CONTROL_TYPE_MENU) {
int val, j;
ci->widget = gtk_combo_box_new_text ();
for (j = 0; j <= c->max; j++) {
gtk_combo_box_append_text (GTK_COMBO_BOX (ci->widget), c->entries[j]);
}
gtk_table_attach (GTK_TABLE (s->table), ci->widget, 1, 3, 3+i, 4+i,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0, 0);
g_object_set_data (G_OBJECT (ci->widget), "control_info", ci);
gtk_widget_show (ci->widget);
if (input_get_control (videoIn, c, &val) == 0) {
gtk_combo_box_set_active (GTK_COMBO_BOX (ci->widget), val);
}
else {
gtk_combo_box_set_active (GTK_COMBO_BOX (ci->widget), c->default_val);
gtk_widget_set_sensitive (ci->widget, FALSE);
}
if (!c->enabled) {
gtk_widget_set_sensitive (ci->widget, FALSE);
}
g_signal_connect (G_OBJECT (ci->widget), "changed",
G_CALLBACK (combo_changed), s);
ci->label = gtk_label_new (g_strdup_printf ("%s:", c->name));
}
else {
fprintf (stderr, "TODO: implement menu and button\n");
continue;
}
if (ci->label) {
gtk_misc_set_alignment (GTK_MISC (ci->label), 1, 0.5);
gtk_table_attach (GTK_TABLE (s->table), ci->label, 0, 1, 3+i, 4+i,
GTK_FILL, 0, 0, 0);
gtk_widget_show (ci->label);
}
}
}
/**
* Initialize components for gtk window
*/
static Win* create_ui ()
{
Win* w = malloc(sizeof(Win));
/* create a new window */
w->main_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
/* area that will display our stream */
w->video_window = gtk_drawing_area_new ();
/* ===== framerate settings ===== */
w->framerate_field = gtk_entry_new();
/* connect button event to callback function */
w->framerate_send_button = gtk_button_new_with_label("Set FrameRate");
g_signal_connect (G_OBJECT (w->framerate_send_button), "clicked", G_CALLBACK (framerate_value_changed), w);
/* ===== exposure scale ===== */
w->exposure_label = gtk_label_new("Exposure:");
gdouble value;
g_object_get (G_OBJECT (p.source), "exposure", &value, NULL);
w->exposure_value_label = gtk_label_new("0.0");
/* the label should give enough space to not rezise */
gtk_label_set_width_chars (GTK_LABEL(w->exposure_value_label), 10);
/* the scale will have a range from 0 to 100 to use the percentage to implement a log scale */
double rmin = 0;
double rmax = 100;
double rangelen2 = log(rmax) - log(rmin);
double exposure_value = (ABSVAL_SLIDER_TICKS) / rangelen2 * ( log(value) - log(rmin) );
gdouble exposure_lower = 0.0; /* min value */
gdouble exposure_upper = 100.0; /* max value */
gdouble exposure_step_increment = 1.0; /* step size */
gdouble exposure_page_increment = -10.0; /* negatic value, to make page up increase value */
gdouble exposure_page_size = 0.0;
GtkObject* wat = gtk_adjustment_new ( exposure_value,
exposure_lower,
exposure_upper,
exposure_step_increment,
exposure_page_increment,
exposure_page_size);
w->exposure_hscale = gtk_hscale_new (GTK_ADJUSTMENT(wat));
gtk_scale_set_draw_value(GTK_SCALE (w->exposure_hscale), FALSE);
gtk_widget_set_usize (GTK_WIDGET (w->exposure_hscale), 400, 30);
g_signal_connect (G_OBJECT(wat), "value-changed", G_CALLBACK (exposure_value_changed), w);
set_slider_label (GTK_LABEL(w->exposure_value_label), value);
/* ===== gain part ===== */
w->gain_label = gtk_label_new("Gain:");
double gain_value;
gdouble gain_lower; /* min value */
gdouble gain_upper; /* max value */
w->gain_value_label = gtk_label_new("0.0");
g_object_get (G_OBJECT (p.source), "gain", &gain_value, NULL);
arv_camera_get_gain_bounds (p.camera, &gain_lower, &gain_upper);
set_slider_label (GTK_LABEL(w->gain_value_label), gain_value);
gdouble gain_step_increment = 0.1; /* step size */
gdouble gain_page_increment = -1.0;
gdouble gain_page_size = 0.0;
GtkObject* range_gain = gtk_adjustment_new (gain_value,
gain_lower,
gain_upper,
gain_step_increment,
gain_page_increment,
gain_page_size);
w->gain_hscale = gtk_hscale_new (GTK_ADJUSTMENT(range_gain));
gtk_scale_set_draw_value(GTK_SCALE (w->gain_hscale), FALSE);
gtk_widget_set_usize (GTK_WIDGET (w->gain_hscale), 400, 50);
g_signal_connect (G_OBJECT(range_gain), "value-changed", G_CALLBACK (gain_value_changed), w);
GtkWidget* toggle;
toggle = gtk_button_new_with_label("Start/Stop");
g_signal_connect (G_OBJECT (toggle), "clicked", G_CALLBACK (togglePipelineState), NULL);
/* ===== organize everything and place in window ===== */
w->controls = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (w->controls), toggle, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->framerate_field, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->framerate_send_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->exposure_label, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->exposure_value_label, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->exposure_hscale, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->gain_label, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->gain_value_label, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (w->controls), w->gain_hscale, FALSE, FALSE, 2);
w->main_hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (w->main_hbox), w->video_window, TRUE, TRUE, 0);
w->main_box = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (w->main_box), w->main_hbox, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (w->main_box), w->controls, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (w->main_window), w->main_box);
gtk_window_set_default_size (GTK_WINDOW (w->main_window), HEIGHT, WIDTH);
/* show all widgets we just added to out main window */
gtk_widget_show_all (w->main_window);
return w;
}
/**
* Sends update to source for camera adjustment
*/
void gain_value_changed (GtkAdjustment *adj, Win* w)
{
g_object_set (G_OBJECT (p.source), "gain", adj->value, NULL);
set_slider_label (GTK_LABEL(w->gain_value_label), adj->value);
}
