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钟尚武
dlib
Commits
0fae5ae6
Commit
0fae5ae6
authored
Jun 21, 2011
by
Davis King
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Plain Diff
Added an event handler for when the user selects an overlay rectangle.
parent
92ac70dc
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3 changed files
with
61 additions
and
2 deletions
+61
-2
widgets.cpp
dlib/gui_widgets/widgets.cpp
+2
-0
widgets.h
dlib/gui_widgets/widgets.h
+21
-0
widgets_abstract.h
dlib/gui_widgets/widgets_abstract.h
+38
-2
No files found.
dlib/gui_widgets/widgets.cpp
View file @
0fae5ae6
...
...
@@ -5922,6 +5922,8 @@ namespace dlib
{
rect_is_selected
=
true
;
selected_rect
=
best_idx
;
if
(
orect_selected_event_handler
.
is_set
())
orect_selected_event_handler
(
overlay_rects
[
best_idx
]);
}
if
(
rect_is_selected
||
rect_was_selected
)
...
...
dlib/gui_widgets/widgets.h
View file @
0fae5ae6
...
...
@@ -3341,6 +3341,26 @@ namespace dlib
event_handler
=
event_handler_
;
}
template
<
typename
T
>
void
set_overlay_rect_selected_handler
(
T
&
object
,
void
(
T
::*
event_handler_
)(
const
overlay_rect
&
orect
)
)
{
auto_mutex
M
(
m
);
orect_selected_event_handler
=
make_mfp
(
object
,
event_handler_
);
}
void
set_overlay_rects_changed_handler
(
const
any_function
<
void
(
const
overlay_rect
&
orect
)
>&
event_handler_
)
{
auto_mutex
M
(
m
);
orect_selected_event_handler
=
event_handler_
;
}
private
:
...
...
@@ -3402,6 +3422,7 @@ namespace dlib
rgb_alpha_pixel
default_rect_color
;
std
::
string
default_rect_label
;
any_function
<
void
()
>
event_handler
;
any_function
<
void
(
const
overlay_rect
&
orect
)
>
orect_selected_event_handler
;
// restricted functions
image_display
(
image_display
&
);
// copy constructor
...
...
dlib/gui_widgets/widgets_abstract.h
View file @
0fae5ae6
...
...
@@ -2011,7 +2011,7 @@ namespace dlib
>
void
set_graph_modified_handler
(
T
&
object
,
void
(
T
::*
event_handler
_
)()
void
(
T
::*
event_handler
)()
);
/*!
requires
...
...
@@ -2550,7 +2550,7 @@ namespace dlib
>
void
set_overlay_rects_changed_handler
(
T
&
object
,
void
(
T
::*
event_handler
_
)()
void
(
T
::*
event_handler
)()
);
/*
requires
...
...
@@ -2579,6 +2579,42 @@ namespace dlib
- std::bad_alloc
*/
template
<
typename
T
>
void
set_overlay_rect_selected_handler
(
T
&
object
,
void
(
T
::*
event_handler
)(
const
overlay_rect
&
orect
)
);
/*
requires
- event_handler is a valid pointer to a member function in T
ensures
- The event_handler function is called on object when the user selects
an overlay rectangle by double clicking on it. The selected rectangle
will be passed to event_handler().
- any previous calls to this function are overridden by this new call.
(i.e. you can only have one event handler associated with this
event at a time)
throws
- std::bad_alloc
*/
void
set_overlay_rects_changed_handler
(
const
any_function
<
void
(
const
overlay_rect
&
orect
)
>&
event_handler
);
/*
ensures
- The event_handler function is called when the user selects an overlay
rectangle by double clicking on it. The selected rectangle will be
passed to event_handler().
- any previous calls to this function are overridden by this new call.
(i.e. you can only have one event handler associated with this
event at a time)
throws
- std::bad_alloc
*/
private
:
// restricted functions
...
...
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