static LRESULT CALLBACK HighGUIProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
CvWindow* window = icvWindowByHWND(hwnd);
if( !window )
// This window is not mentioned in HighGUI storage
// Actually, this should be error except for the case of calls to CreateWindow
return DefWindowProc(hwnd, uMsg, wParam, lParam);
// Process the message
switch(uMsg)
{
case WM_WINDOWPOSCHANGING:
{
LPWINDOWPOS pos = (LPWINDOWPOS)lParam;
RECT rect = icvCalcWindowRect(window);
pos->x = rect.left;
pos->y = rect.top;
pos->cx = rect.right - rect.left + 1;
pos->cy = rect.bottom - rect.top + 1;
}
break;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_MOUSEMOVE:
if( window->on_mouse )
{
POINT pt;
RECT rect;
SIZE size = {0,0};
int flags = (wParam & MK_LBUTTON ? CV_EVENT_FLAG_LBUTTON : 0)|
(wParam & MK_RBUTTON ? CV_EVENT_FLAG_RBUTTON : 0)|
(wParam & MK_MBUTTON ? CV_EVENT_FLAG_MBUTTON : 0)|
(wParam & MK_CONTROL ? CV_EVENT_FLAG_CTRLKEY : 0)|
(wParam & MK_SHIFT ? CV_EVENT_FLAG_SHIFTKEY : 0)|
(GetKeyState(VK_MENU) < 0 ? CV_EVENT_FLAG_ALTKEY : 0);
int event = uMsg == WM_LBUTTONDOWN ? CV_EVENT_LBUTTONDOWN :
uMsg == WM_RBUTTONDOWN ? CV_EVENT_RBUTTONDOWN :
uMsg == WM_MBUTTONDOWN ? CV_EVENT_MBUTTONDOWN :
uMsg == WM_LBUTTONUP ? CV_EVENT_LBUTTONUP :
uMsg == WM_RBUTTONUP ? CV_EVENT_RBUTTONUP :
uMsg == WM_MBUTTONUP ? CV_EVENT_MBUTTONUP :
uMsg == WM_LBUTTONDBLCLK ? CV_EVENT_LBUTTONDBLCLK :
uMsg == WM_RBUTTONDBLCLK ? CV_EVENT_RBUTTONDBLCLK :
uMsg == WM_MBUTTONDBLCLK ? CV_EVENT_MBUTTONDBLCLK :
CV_EVENT_MOUSEMOVE;
if( uMsg == WM_LBUTTONDOWN || uMsg == WM_RBUTTONDOWN || uMsg == WM_MBUTTONDOWN )
SetCapture( hwnd );
if( uMsg == WM_LBUTTONUP || uMsg == WM_RBUTTONUP || uMsg == WM_MBUTTONUP )
ReleaseCapture();
pt.x = LOWORD( lParam );
pt.y = HIWORD( lParam );
GetClientRect( window->hwnd, &rect );
icvGetBitmapData( window, &size, 0, 0 );
window->on_mouse( event, pt.x*size.cx/MAX(rect.right - rect.left,1),
pt.y*size.cy/MAX(rect.bottom - rect.top,1), flags,
window->on_mouse_param );
}
break;
case WM_PAINT:
if(window->image != 0)
{
int nchannels = 3;
SIZE size = {0,0};
PAINTSTRUCT paint;
HDC hdc;
RGBQUAD table[256];
// Determine the bitmap's dimensions
icvGetBitmapData( window, &size, &nchannels, 0 );
hdc = BeginPaint(hwnd, &paint);
SetStretchBltMode(hdc, COLORONCOLOR);
if( nchannels == 1 )
{
int i;
for(i = 0; i < 256; i++)
{
table[i].rgbBlue = (unsigned char)i;
table[i].rgbGreen = (unsigned char)i;
table[i].rgbRed = (unsigned char)i;
}
SetDIBColorTable(window->dc, 0, 255, table);
}
if(window->flags & CV_WINDOW_AUTOSIZE)
{
BitBlt( hdc, 0, 0, size.cx, size.cy, window->dc, 0, 0, SRCCOPY );
}
else
{
RECT rect;
GetClientRect(window->hwnd, &rect);
StretchBlt( hdc, 0, 0, rect.right - rect.left, rect.bottom - rect.top,
window->dc, 0, 0, size.cx, size.cy, SRCCOPY );
}
//DeleteDC(hdc);
EndPaint(hwnd, &paint);
}
else
{
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0;
case WM_ERASEBKGND:
if(window->image)
return 0;
break;
case WM_DESTROY:
icvRemoveWindow(window);
// Do nothing!!!
//PostQuitMessage(0);
break;
case WM_SETCURSOR:
SetCursor((HCURSOR)icvGetClassLongPtr(hwnd, CV_HCURSOR));
return 0;
case WM_KEYDOWN:
window->last_key = (int)wParam;
return 0;
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
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 gboolean icvOnMouse( GtkWidget *widget, GdkEvent *event, gpointer user_data )
{
// TODO move this logic to CvImageWidget
CvWindow* window = (CvWindow*)user_data;
CvPoint2D32f pt32f = {-1., -1.};
CvPoint pt = {-1,-1};
int cv_event = -1, state = 0;
CvImageWidget * image_widget = CV_IMAGE_WIDGET( widget );
if( window->signature != CV_WINDOW_MAGIC_VAL ||
window->widget != widget || !window->widget ||
!window->on_mouse || !image_widget->original_image)
return FALSE;
if( event->type == GDK_MOTION_NOTIFY )
{
GdkEventMotion* event_motion = (GdkEventMotion*)event;
cv_event = CV_EVENT_MOUSEMOVE;
pt32f.x = cvRound(event_motion->x);
pt32f.y = cvRound(event_motion->y);
state = event_motion->state;
}
else if( event->type == GDK_BUTTON_PRESS ||
event->type == GDK_BUTTON_RELEASE ||
event->type == GDK_2BUTTON_PRESS )
{
GdkEventButton* event_button = (GdkEventButton*)event;
pt32f.x = cvRound(event_button->x);
pt32f.y = cvRound(event_button->y);
if( event_button->type == GDK_BUTTON_PRESS )
{
cv_event = event_button->button == 1 ? CV_EVENT_LBUTTONDOWN :
event_button->button == 2 ? CV_EVENT_MBUTTONDOWN :
event_button->button == 3 ? CV_EVENT_RBUTTONDOWN : 0;
}
else if( event_button->type == GDK_BUTTON_RELEASE )
{
cv_event = event_button->button == 1 ? CV_EVENT_LBUTTONUP :
event_button->button == 2 ? CV_EVENT_MBUTTONUP :
event_button->button == 3 ? CV_EVENT_RBUTTONUP : 0;
}
else if( event_button->type == GDK_2BUTTON_PRESS )
{
cv_event = event_button->button == 1 ? CV_EVENT_LBUTTONDBLCLK :
event_button->button == 2 ? CV_EVENT_MBUTTONDBLCLK :
event_button->button == 3 ? CV_EVENT_RBUTTONDBLCLK : 0;
}
state = event_button->state;
}
if( cv_event >= 0 ){
// scale point if image is scaled
if( (image_widget->flags & CV_WINDOW_AUTOSIZE)==0 &&
image_widget->original_image &&
image_widget->scaled_image ){
// image origin is not necessarily at (0,0)
int x0 = (widget->allocation.width - image_widget->scaled_image->cols)/2;
int y0 = (widget->allocation.height - image_widget->scaled_image->rows)/2;
pt.x = cvRound( ((pt32f.x-x0)*image_widget->original_image->cols)/
image_widget->scaled_image->cols );
pt.y = cvRound( ((pt32f.y-y0)*image_widget->original_image->rows)/
image_widget->scaled_image->rows );
}
else{
pt = cvPointFrom32f( pt32f );
}
if((unsigned)pt.x < (unsigned)(image_widget->original_image->width) &&
(unsigned)pt.y < (unsigned)(image_widget->original_image->height) )
{
int flags = (state & GDK_SHIFT_MASK ? CV_EVENT_FLAG_SHIFTKEY : 0) |
(state & GDK_CONTROL_MASK ? CV_EVENT_FLAG_CTRLKEY : 0) |
(state & (GDK_MOD1_MASK|GDK_MOD2_MASK) ? CV_EVENT_FLAG_ALTKEY : 0) |
(state & GDK_BUTTON1_MASK ? CV_EVENT_FLAG_LBUTTON : 0) |
(state & GDK_BUTTON2_MASK ? CV_EVENT_FLAG_MBUTTON : 0) |
(state & GDK_BUTTON3_MASK ? CV_EVENT_FLAG_RBUTTON : 0);
window->on_mouse( cv_event, pt.x, pt.y, flags, window->on_mouse_param );
}
}
return FALSE;
}
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 :
case kEventMouseDragged : {
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;
unsigned int flags = 0;
err = GetEventParameter(theEvent, kEventParamWindowMouseLocation, typeHIPoint, NULL, sizeof(point), NULL, &point);
if (eventKind != kEventMouseMoved){
switch(eventMouseButton){
case kEventMouseButtonPrimary:
if (modifiers & controlKey){
flags += CV_EVENT_FLAG_RBUTTON;
event += 1;
} else {
flags += CV_EVENT_FLAG_LBUTTON;
}
break;
case kEventMouseButtonSecondary:
flags += CV_EVENT_FLAG_RBUTTON;
event += 1;
break;
case kEventMouseButtonTertiary:
flags += CV_EVENT_FLAG_MBUTTON;
event += 2;
break;
}
}
if (modifiers&controlKey) flags += CV_EVENT_FLAG_CTRLKEY;
if (modifiers&shiftKey) flags += CV_EVENT_FLAG_SHIFTKEY;
if (modifiers& cmdKey ) flags += CV_EVENT_FLAG_ALTKEY;
if (window->on_mouse != NULL){
int lx,ly;
Rect structure, content;
GetWindowBounds(theWindow, kWindowStructureRgn, &structure);
GetWindowBounds(theWindow, kWindowContentRgn, &content);
lx = (int)point.x - content.left + structure.left;
ly = (int)point.y - window->trackbarheight - content.top + structure.top;
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);
}
if (lx>0 && ly >0){
window->on_mouse (event, lx, ly, flags, window->on_mouse_param);
return noErr;
}
}
}
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;
}
