CV_IMPL int cvCreateTrackbar (const char* trackbar_name, const char* window_name,int* val, int count, CvTrackbarCallback on_notify)
{
int result = 0;
CV_FUNCNAME( "cvCreateTrackbar" );
__BEGIN__;
/*char slider_name[32];*/
CvWindow* window = 0;
CvTrackbar* trackbar = 0;
Rect stboundsRect;
ControlRef outControl;
ControlRef stoutControl;
Rect bounds;
if( !window_name || !trackbar_name )
CV_ERROR( CV_StsNullPtr, "NULL window or trackbar name" );
if( count <= 0 )
CV_ERROR( CV_StsOutOfRange, "Bad trackbar maximal value" );
window = icvFindWindowByName(window_name);
if( !window )
EXIT;
trackbar = icvFindTrackbarByName(window,trackbar_name);
if( !trackbar )
{
int len = strlen(trackbar_name);
trackbar = (CvTrackbar*)cvAlloc(sizeof(CvTrackbar) + len + 1);
memset( trackbar, 0, sizeof(*trackbar));
trackbar->signature = CV_TRACKBAR_MAGIC_VAL;
trackbar->name = (char*)(trackbar+1);
memcpy( trackbar->name, trackbar_name, len + 1 );
trackbar->parent = window;
trackbar->next = window->toolbar.first;
window->toolbar.first = trackbar;
if( val )
{
int value = *val;
if( value < 0 )
value = 0;
if( value > count )
value = count;
trackbar->pos = value;
trackbar->data = val;
}
trackbar->maxval = count;
trackbar->notify = on_notify;
int c = icvCountTrackbarInWindow(window);
GetWindowBounds(window->window,kWindowContentRgn,&bounds);
stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE;
stboundsRect.left = INTERWIDGETSPACE;
stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT;
stboundsRect.right = stboundsRect.left+LABELWIDTH;
fprintf(stdout,"create trackabar bounds (%d %d %d %d)\n",stboundsRect.top,stboundsRect.left,stboundsRect.bottom,stboundsRect.right);
CreateStaticTextControl (window->window,&stboundsRect,CFStringCreateWithCString(NULL,trackbar_name,kCFStringEncodingASCII),NULL,&stoutControl);
stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE;
stboundsRect.left = INTERWIDGETSPACE*2+LABELWIDTH;
stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT;
stboundsRect.right = bounds.right-INTERWIDGETSPACE;
CreateSliderControl (window->window,&stboundsRect, trackbar->pos,0,trackbar->maxval,kControlSliderLiveFeedback,0,true,NewControlActionUPP(TrackbarActionProcPtr),&outControl);
bounds.bottom += INTERWIDGETSPACE + WIDGETHEIGHT;
SetControlVisibility (outControl,true,true);
SetControlVisibility (stoutControl,true,true);
trackbar->trackbar = outControl;
trackbar->label = stoutControl;
if (c == 1)
window->trackbarheight = INTERWIDGETSPACE*2 + WIDGETHEIGHT;
else
window->trackbarheight += INTERWIDGETSPACE + WIDGETHEIGHT;
icvUpdateWindowSize( window );
}
__END__;
return result;
}
static pascal OSStatus windowEventHandler(EventHandlerCallRef nextHandler, EventRef theEvent, void *inUserData)
{
CvWindow* window = NULL;
UInt32 eventKind, eventClass;
OSErr err = noErr;
int event = 0;
UInt32 count = 0;
HIPoint point = {0,0};
EventMouseButton eventMouseButton = 0;//FD
UInt32 modifiers;//FD
WindowRef theWindow = (WindowRef)inUserData;
if (theWindow == NULL)
return eventNotHandledErr;
window = icvWindowByHandle(theWindow);
if ( window == NULL)
return eventNotHandledErr;
eventKind = GetEventKind(theEvent);
eventClass = GetEventClass(theEvent);
switch (eventClass) {
case kEventClassMouse : {
switch (eventKind){
case kEventMouseUp :
case kEventMouseDown :
case kEventMouseMoved : {
err = CallNextEventHandler(nextHandler, theEvent);
if (err != eventNotHandledErr)
return err;
err = GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(eventMouseButton), NULL, &eventMouseButton);
err = GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(modifiers), NULL, &modifiers);
err = GetEventParameter(theEvent,kEventParamClickCount,typeUInt32,NULL,sizeof(UInt32),NULL,&count);
if (err == noErr){
if (count >1) event += 6;
} else {
event = CV_EVENT_MOUSEMOVE;
}
if (eventKind == kEventMouseUp)
event +=4;
if (eventKind == kEventMouseDown)
event +=1;
err = GetEventParameter(theEvent, kEventParamWindowMouseLocation, typeHIPoint, NULL, sizeof(point), NULL, &point);
if (eventKind != kEventMouseMoved){
switch(eventMouseButton){
case kEventMouseButtonPrimary:
if (modifiers & controlKey) /* ctrl-click for right button */
event += 1;
break;
case kEventMouseButtonSecondary:
event += 1;
break;
case kEventMouseButtonTertiary:
event += 2;
break;
}
}
int c = icvCountTrackbarInWindow(window);
if (window->on_mouse != NULL){
int lx,ly;
Rect structure, content;
GetWindowBounds(theWindow, kWindowStructureRgn, &structure);
GetWindowBounds(theWindow, kWindowContentRgn, &content);
lx = point.x - content.left + structure.left;
ly = point.y - window->trackbarheight - content.top + structure.top; /* minus la taille des trackbars */
if (window->flags & CV_WINDOW_AUTOSIZE) {//FD
//printf("was %d,%d\n", lx, ly);
/* scale the mouse coordinates */
lx = lx * window->imageWidth / (content.right - content.left);
ly = ly * window->imageHeight / (content.bottom - content.top - window->trackbarheight);
//printf("now %d,%d\n", lx, ly);
}
//fprintf(stdout,"final OpenCV event is %d\n",event);
//fprintf(stdout,"event @ %d %d which is localy %d %d offset of %d\n",point.h, point.v ,lx,ly,yOffset);
if (lx>0 && ly >0){ /* a remettre dans les coordonnŽes locale */
window->on_mouse(event,lx,ly,0,NULL);
}
}
}
default : return eventNotHandledErr;
}
}
case kEventClassWindow : {//FD
switch (eventKind){
case kEventWindowBoundsChanged :
{
/* resize the trackbars */
CvTrackbar *t;
Rect bounds;
GetWindowBounds(window->window,kWindowContentRgn,&bounds);
for ( t = window->toolbar.first; t != 0; t = t->next )
SizeControl(t->trackbar,bounds.right - bounds.left - INTERWIDGETSPACE*3 - LABELWIDTH , WIDGETHEIGHT);
}
/* redraw the image */
icvDrawImage(window);
break;
default :
return eventNotHandledErr;
}
}
default:
return eventNotHandledErr;
}
return eventNotHandledErr;
}
static int icvCreateTrackbar (const char* trackbar_name,
const char* window_name,
int* val, int count,
CvTrackbarCallback on_notify,
CvTrackbarCallback2 on_notify2,
void* userdata)
{
int result = 0;
CV_FUNCNAME( "icvCreateTrackbar" );
__BEGIN__;
/*char slider_name[32];*/
CvWindow* window = 0;
CvTrackbar* trackbar = 0;
Rect stboundsRect;
ControlRef outControl;
ControlRef stoutControl;
Rect bounds;
if( !window_name || !trackbar_name )
CV_ERROR( CV_StsNullPtr, "NULL window or trackbar name" );
if( count <= 0 )
CV_ERROR( CV_StsOutOfRange, "Bad trackbar maximal value" );
window = icvFindWindowByName(window_name);
if( !window )
EXIT;
trackbar = icvFindTrackbarByName(window,trackbar_name);
if( !trackbar )
{
int len = strlen(trackbar_name);
trackbar = (CvTrackbar*)cvAlloc(sizeof(CvTrackbar) + len + 1);
memset( trackbar, 0, sizeof(*trackbar));
trackbar->signature = CV_TRACKBAR_MAGIC_VAL;
trackbar->name = (char*)(trackbar+1);
memcpy( trackbar->name, trackbar_name, len + 1 );
trackbar->parent = window;
trackbar->next = window->toolbar.first;
window->toolbar.first = trackbar;
if( val )
{
int value = *val;
if( value < 0 )
value = 0;
if( value > count )
value = count;
trackbar->pos = value;
trackbar->data = val;
}
trackbar->maxval = count;
//----------- YV ----------------------
//get nb of digits
int nbDigit = 0;
while((count/=10)>10){
nbDigit++;
}
//pad size maxvalue in pixel
Point qdSize;
char valueinchar[strlen(trackbar_name)+1 +1 +1+nbDigit+1];//length+\n +space +(+nbDigit+)
sprintf(valueinchar, "%s (%d)",trackbar_name, trackbar->maxval);
SInt16 baseline;
CFStringRef text = CFStringCreateWithCString(NULL,valueinchar,kCFStringEncodingASCII);
GetThemeTextDimensions( text, kThemeCurrentPortFont, kThemeStateActive, false, &qdSize, &baseline );
trackbar->labelSize = qdSize.h;
//--------------------------------------
int c = icvCountTrackbarInWindow(window);
GetWindowBounds(window->window,kWindowContentRgn,&bounds);
stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE;
stboundsRect.left = INTERWIDGETSPACE;
stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT;
stboundsRect.right = stboundsRect.left+LABELWIDTH;
//fprintf(stdout,"create trackabar bounds (%d %d %d %d)\n",stboundsRect.top,stboundsRect.left,stboundsRect.bottom,stboundsRect.right);
//----------- YV ----------------------
sprintf(valueinchar, "%s (%d)",trackbar_name, trackbar->pos);
CreateStaticTextControl (window->window,&stboundsRect,CFStringCreateWithCString(NULL,valueinchar,kCFStringEncodingASCII),NULL,&stoutControl);
//--------------------------------------
stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE;
stboundsRect.left = INTERWIDGETSPACE*2+LABELWIDTH;
stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT;
stboundsRect.right = bounds.right-INTERWIDGETSPACE;
CreateSliderControl (window->window,&stboundsRect, trackbar->pos,0,trackbar->maxval,kControlSliderLiveFeedback,0,true,NewControlActionUPP(TrackbarActionProcPtr),&outControl);
bounds.bottom += INTERWIDGETSPACE + WIDGETHEIGHT;
SetControlVisibility (outControl,true,true);
SetControlVisibility (stoutControl,true,true);
trackbar->trackbar = outControl;
trackbar->label = stoutControl;
if (c == 1)
window->trackbarheight = INTERWIDGETSPACE*2 + WIDGETHEIGHT;
else
window->trackbarheight += INTERWIDGETSPACE + WIDGETHEIGHT;
icvUpdateWindowSize( window );
}
trackbar->notify = on_notify;
trackbar->notify2 = on_notify2;
trackbar->userdata = userdata;
result = 1;
__END__;
return result;
}
