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Commit 719dadc3 authored by Davis King's avatar Davis King
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Added overloads of all the GUI event handlers so that now you can 

use general functions as callbacks (via any_function).  This way,
if you have a C++0x compiler, you can use lambda functions with the
event handlers.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%404134
parent a4441c46
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Showing with 395 additions and 23 deletions
dlib/gui_widgets/base_widgets.h
View file @ 719dadc3
......@@ -818,6 +818,15 @@ namespace dlib
event_handler_self.clear();
}
void set_click_handler (
const any_function<void()>& event_handler_
)
{
auto_mutex M(m);
event_handler = event_handler_;
event_handler_self.clear();
}
template <
typename T
>
......@@ -831,6 +840,15 @@ namespace dlib
event_handler.clear();
}
void set_sourced_click_handler (
const any_function<void(button&)>& event_handler_
)
{
auto_mutex M(m);
event_handler_self = event_handler_;
event_handler.clear();
}
bool is_depressed (
) const
{
......@@ -850,6 +868,14 @@ namespace dlib
button_down_handler = make_mfp(object,event_handler);
}
void set_button_down_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
button_down_handler = event_handler;
}
template <
typename T
>
......@@ -862,6 +888,14 @@ namespace dlib
button_up_handler = make_mfp(object,event_handler);
}
void set_button_up_handler (
const any_function<void(bool)>& event_handler
)
{
auto_mutex M(m);
button_up_handler = event_handler;
}
template <
typename T
>
......@@ -874,6 +908,14 @@ namespace dlib
button_down_handler_self = make_mfp(object,event_handler);
}
void set_sourced_button_down_handler (
const any_function<void(button&)>& event_handler
)
{
auto_mutex M(m);
button_down_handler_self = event_handler;
}
template <
typename T
>
......@@ -886,6 +928,14 @@ namespace dlib
button_up_handler_self = make_mfp(object,event_handler);
}
void set_sourced_button_up_handler (
const any_function<void(bool,button&)>& event_handler
)
{
auto_mutex M(m);
button_up_handler_self = event_handler;
}
private:
// restricted functions
......@@ -994,6 +1044,10 @@ namespace dlib
void (T::*eh)()
) { auto_mutex M(m); scroll_handler = make_mfp(object,eh); }
void set_scroll_handler (
const any_function<void()>& eh
) { auto_mutex M(m); scroll_handler = eh; }
void set_pos (
long x,
long y
......@@ -1580,15 +1634,13 @@ namespace dlib
class menu_item_text : public menu_item
{
template <typename T>
void initialize (
T &object,
void (T::*event_handler_)(),
const any_function<void()>& event_handler_,
unichar hk
)
{
dlib::ustring &str = text;
action = make_mfp(object,event_handler_);
action = event_handler_;
if (hk != 0)
{
......@@ -1619,7 +1671,19 @@ namespace dlib
f(default_font::get_font()),
hotkey(hk)
{
initialize(object, event_handler_, hk);
initialize(make_mfp(object, event_handler_), hk);
}
menu_item_text (
const std::string& str,
const any_function<void()>& event_handler_,
unichar hk = 0
) :
text(convert_wstring_to_utf32(convert_mbstring_to_wstring(str))),
f(default_font::get_font()),
hotkey(hk)
{
initialize(event_handler_, hk);
}
template <typename T>
......@@ -1633,7 +1697,19 @@ namespace dlib
f(default_font::get_font()),
hotkey(hk)
{
initialize(object, event_handler_, hk);
initialize(make_mfp(object, event_handler_), hk);
}
menu_item_text (
const std::wstring& str,
const any_function<void()>& event_handler_,
unichar hk = 0
) :
text(convert_wstring_to_utf32(str)),
f(default_font::get_font()),
hotkey(hk)
{
initialize(event_handler_, hk);
}
template <typename T>
......@@ -1647,7 +1723,19 @@ namespace dlib
f(default_font::get_font()),
hotkey(hk)
{
initialize(object, event_handler_, hk);
initialize(make_mfp(object, event_handler_), hk);
}
menu_item_text (
const dlib::ustring& str,
const any_function<void()>& event_handler_,
unichar hk = 0
) :
text(str),
f(default_font::get_font()),
hotkey(hk)
{
initialize(event_handler_, hk);
}
virtual unichar get_hot_key (
......
dlib/gui_widgets/base_widgets_abstract.h
View file @ 719dadc3
......@@ -499,6 +499,20 @@ namespace dlib
- std::bad_alloc
!*/
void set_click_handler (
const any_function<void()>& event_handler
);
/*!
ensures
- the event_handler function is called when the button is clicked by
the user.
- 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
!*/
template <
typename T
>
......@@ -520,6 +534,21 @@ namespace dlib
- std::bad_alloc
!*/
void set_sourced_click_handler (
const any_function<void(button& self)>& event_handler
);
/*!
ensures
- &self == this
- the event_handler function is called when the button is clicked by
the user.
- 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
!*/
template <
typename T
>
......@@ -540,6 +569,20 @@ namespace dlib
- std::bad_alloc
!*/
void set_button_down_handler (
const any_function<void()>& event_handler
);
/*!
ensures
- the event_handler function is called when the user causes the button
to go into its depressed state.
- 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
!*/
template <
typename T
>
......@@ -564,6 +607,24 @@ namespace dlib
- std::bad_alloc
!*/
void set_button_up_handler (
const any_function<void(bool mouse_over)>& event_handler
);
/*!
ensures
- the event_handler function is called when the user causes the
button to go into its non-depressed state.
- if (the mouse is over this button when this event occurs) then
- mouse_over == true
- else
- mouse_over == false
- 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
!*/
template <
typename T
>
......@@ -585,6 +646,21 @@ namespace dlib
- std::bad_alloc
!*/
void set_sourced_button_down_handler (
const any_function<void(button& self)>& event_handler
);
/*!
ensures
- &self == this
- the event_handler function is called when the user causes the button
to go into its depressed state.
- 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
!*/
template <
typename T
>
......@@ -610,6 +686,25 @@ namespace dlib
- std::bad_alloc
!*/
void set_sourced_button_up_handler (
const any_function<void(bool mouse_over, button& self)>& event_handler
);
/*!
ensures
- &self == this
- the event_handler function is called when the user causes the
button to go into its non-depressed state.
- if (the mouse is over this button when this event occurs) then
- mouse_over == true
- else
- mouse_over == false
- 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
......@@ -786,6 +881,21 @@ namespace dlib
- std::bad_alloc
!*/
void set_scroll_handler (
const any_function<void()>& event_handler
);
/*!
ensures
- The event_handler function is called whenever the user causes the slider box
to move.
- This event is NOT triggered by calling set_slider_pos()
- 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
......@@ -1263,6 +1373,19 @@ namespace dlib
- #get_hot_key() == hotkey
!*/
menu_item_text (
const std::string& str,
const any_function<void()>& on_click_handler,
unichar hotkey = 0
);
/*!
ensures
- The text of this menu item will be str
- the on_click_handler function is called when this menu_item
clicked by the user.
- #get_hot_key() == hotkey
!*/
// overloads for wide character strings
template <
typename T
......@@ -1274,6 +1397,12 @@ namespace dlib
unichar hotkey = 0
);
menu_item_text (
const std::wstring& str,
const any_function<void()>& on_click_handler,
unichar hotkey = 0
);
template <
typename T
>
......@@ -1283,6 +1412,15 @@ namespace dlib
void (T::*on_click_handler)(),
unichar hotkey = 0
);
template <
typename T
>
menu_item_text (
const dlib::ustring& str,
const any_function<void()>& on_click_handler,
unichar hotkey = 0
);
};
// ----------------------------------------------------------------------------------------
......
dlib/gui_widgets/widgets.h
View file @ 719dadc3
......@@ -245,6 +245,15 @@ namespace dlib
event_handler_self.clear();
}
void set_click_handler (
const any_function<void()>& event_handler_
)
{
auto_mutex M(m);
event_handler = event_handler_;
event_handler_self.clear();
}
template <
typename T
>
......@@ -258,6 +267,15 @@ namespace dlib
event_handler.clear();
}
void set_sourced_click_handler (
const any_function<void(toggle_button&)>& event_handler_
)
{
auto_mutex M(m);
event_handler_self = event_handler_;
event_handler.clear();
}
private:
// restricted functions
......@@ -500,6 +518,21 @@ namespace dlib
enter_key_handler = make_mfp(object,event_handler);
}
void set_text_modified_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
text_modified_handler = event_handler;
}
void set_enter_key_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
enter_key_handler = event_handler;
}
template <
typename T
......@@ -513,6 +546,14 @@ namespace dlib
focus_lost_handler = make_mfp(object,event_handler);
}
void set_focus_lost_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
focus_lost_handler = event_handler;
}
private:
void on_cut (
......@@ -853,6 +894,14 @@ namespace dlib
text_modified_handler = make_mfp(object,event_handler);
}
void set_text_modified_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
text_modified_handler = event_handler;
}
template <
typename T
>
......@@ -865,6 +914,13 @@ namespace dlib
enter_key_handler = make_mfp(object,event_handler);
}
void set_enter_key_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
enter_key_handler = event_handler;
}
template <
typename T
......@@ -878,6 +934,14 @@ namespace dlib
focus_lost_handler = make_mfp(object,event_handler);
}
void set_focus_lost_handler (
const any_function<void()>& event_handler
)
{
auto_mutex M(m);
focus_lost_handler = event_handler;
}
private:
void on_cut (
......@@ -1167,6 +1231,14 @@ namespace dlib
event_handler = make_mfp(object,eh);
}
void set_click_handler (
const any_function<void(unsigned long,unsigned long)>& eh
)
{
auto_mutex M(m);
event_handler = eh;
}
void set_tab_group (
unsigned long idx,
widget_group& group
......@@ -1436,16 +1508,12 @@ namespace dlib
~box_win (
);
template <
typename T
>
void set_click_handler (
T& object,
void (T::*event_handler_)()
const any_function<void()>& event_handler_
)
{
auto_mutex M(wm);
event_handler = make_mfp(object,event_handler_);
event_handler = event_handler_;
}
private:
......@@ -1516,7 +1584,18 @@ namespace dlib
{
using namespace message_box_helper;
box_win* win = new box_win(title,message);
win->set_click_handler(object,event_handler);
win->set_click_handler(make_mfp(object,event_handler));
}
inline void message_box (
const std::string& title,
const std::string& message,
const any_function<void()>& event_handler
)
{
using namespace message_box_helper;
box_win* win = new box_win(title,message);
win->set_click_handler(event_handler);
}
inline void message_box (
......@@ -1670,6 +1749,10 @@ namespace dlib
void (T::*eh)(unsigned long index)
) { auto_mutex M(m); event_handler = make_mfp(object,eh); }
void set_double_click_handler (
const any_function<void(unsigned long)>& eh
) { auto_mutex M(m); event_handler = eh; }
template <
typename T
>
......@@ -1678,6 +1761,10 @@ namespace dlib
void (T::*eh)(unsigned long index)
) { auto_mutex M(m); single_click_event_handler = make_mfp(object,eh); }
void set_click_handler (
const any_function<void(unsigned long)>& eh
) { auto_mutex M(m); single_click_event_handler = eh; }
bool at_start (
) const;
......@@ -1765,16 +1852,12 @@ namespace dlib
~box_win (
);
template <
typename T
>
void set_click_handler (
T& object,
void (T::*event_handler_)(const std::string&)
const any_function<void(const std::string&)>& event_handler_
)
{
auto_mutex M(wm);
event_handler = make_mfp(object,event_handler_);
event_handler = event_handler_;
}
private:
......@@ -1852,7 +1935,16 @@ namespace dlib
{
using namespace open_file_box_helper;
box_win* win = new box_win("Open File",true);
win->set_click_handler(object,event_handler);
win->set_click_handler(make_mfp(object,event_handler));
}
inline void open_file_box (
const any_function<void(const std::string&)>& event_handler
)
{
using namespace open_file_box_helper;
box_win* win = new box_win("Open File",true);
win->set_click_handler(event_handler);
}
template <
......@@ -1865,7 +1957,16 @@ namespace dlib
{
using namespace open_file_box_helper;
box_win* win = new box_win("Open File");
win->set_click_handler(object,event_handler);
win->set_click_handler(make_mfp(object,event_handler));
}
inline void open_existing_file_box (
const any_function<void(const std::string&)>& event_handler
)
{
using namespace open_file_box_helper;
box_win* win = new box_win("Open File");
win->set_click_handler(event_handler);
}
template <
......@@ -1878,7 +1979,16 @@ namespace dlib
{
using namespace open_file_box_helper;
box_win* win = new box_win("Save File",true);
win->set_click_handler(object,event_handler);
win->set_click_handler(make_mfp(object,event_handler));
}
inline void save_file_box (
const any_function<void(const std::string&)>& event_handler
)
{
using namespace open_file_box_helper;
box_win* win = new box_win("Save File",true);
win->set_click_handler(event_handler);
}
// ----------------------------------------------------------------------------------------
......@@ -2313,6 +2423,14 @@ namespace dlib
node_selected_handler = make_mfp(object,event_handler_);
}
void set_node_selected_handler (
const any_function<void(unsigned long)>& event_handler_
)
{
auto_mutex M(m);
node_selected_handler = event_handler_;
}
template <
typename T
>
......@@ -2325,6 +2443,14 @@ namespace dlib
node_deselected_handler = make_mfp(object,event_handler_);
}
void set_node_deselected_handler (
const any_function<void(unsigned long)>& event_handler_
)
{
auto_mutex M(m);
node_deselected_handler = event_handler_;
}
template <
typename T
>
......@@ -2337,6 +2463,14 @@ namespace dlib
node_deleted_handler = make_mfp(object,event_handler_);
}
void set_node_deleted_handler (
const any_function<void()>& event_handler_
)
{
auto_mutex M(m);
node_deleted_handler = event_handler_;
}
template <
typename T
>
......@@ -2349,6 +2483,14 @@ namespace dlib
graph_modified_handler = make_mfp(object,event_handler_);
}
void set_graph_modified_handler (
const any_function<void()>& event_handler_
)
{
auto_mutex M(m);
graph_modified_handler = event_handler_;
}
protected:
void on_keydown (
......@@ -2951,6 +3093,10 @@ namespace dlib
void (T::*eh)(unsigned long, unsigned long)
) { text_modified_handler = make_mfp(object,eh); }
void set_text_modified_handler (
const any_function<void(unsigned long, unsigned long)>& eh
) { text_modified_handler = eh; }
private:
void on_user_event (
......
dlib/gui_widgets/widgets_abstract.h
View file @ 719dadc3
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