mirror of
https://gitcode.com/gh_mirrors/ope/OpenFace.git
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Master commit of OpenFace.
This commit is contained in:
unknown
534
lib/3rdParty/dlib/include/dlib/gui_widgets/drawable.cpp
vendored
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534
lib/3rdParty/dlib/include/dlib/gui_widgets/drawable.cpp
vendored
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@@ -0,0 +1,534 @@
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// Copyright (C) 2005 Davis E. King (davis@dlib.net), Keita Mochizuki
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_DRAWABLe_CPP_
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#define DLIB_DRAWABLe_CPP_
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#include "drawable.h"
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#include <algorithm>
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namespace dlib
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{
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// ----------- drawable_window object ------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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rgb_pixel drawable_window::
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background_color (
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) const
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{
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auto_mutex M(wm);
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return bg_color;
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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set_background_color (
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unsigned long red_,
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unsigned long green_,
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unsigned long blue_
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)
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{
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wm.lock();
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bg_color.red = red_;
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bg_color.green = green_;
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bg_color.blue = blue_;
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wm.unlock();
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// now repaint the window
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unsigned long width,height;
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get_size(width,height);
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rectangle rect(0,0,width-1,height-1);
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invalidate_rectangle(rect);
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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paint (
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const canvas& c
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)
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{
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++event_id;
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c.fill(bg_color.red,bg_color.green,bg_color.blue);
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widgets.reset();
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while (widgets.move_next())
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{
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widgets.element().value().reset();
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while (widgets.element().value().move_next())
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{
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// only dispatch a draw() call if this widget isn't hidden
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if (widgets.element().value().element()->hidden == false &&
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widgets.element().value().element()->event_id != event_id)
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{
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widgets.element().value().element()->event_id = event_id;
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widgets.element().value().element()->draw(c);
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}
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_user_event (
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void* p,
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int i
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)
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{
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drawable* d = static_cast<drawable*>(p);
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if (widget_set.is_member(d))
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{
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d->on_user_event(i);
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_window_moved(
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)
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{
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++event_id;
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window_moved.reset();
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while (window_moved.move_next())
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{
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if (window_moved.element()->event_id != event_id)
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{
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window_moved.element()->event_id = event_id;
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window_moved.element()->on_window_moved();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_window_resized(
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)
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{
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++event_id;
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window_resized.reset();
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while (window_resized.move_next())
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{
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if (window_resized.element()->event_id != event_id)
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{
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window_resized.element()->event_id = event_id;
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window_resized.element()->on_window_resized();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_keydown (
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unsigned long key,
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bool is_printable,
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unsigned long state
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)
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{
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++event_id;
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keyboard.reset();
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while (keyboard.move_next())
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{
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if (keyboard.element()->event_id != event_id)
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{
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keyboard.element()->event_id = event_id;
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keyboard.element()->on_keydown(key,is_printable,state);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_focus_gained (
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)
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{
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++event_id;
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focus.reset();
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while (focus.move_next())
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{
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if (focus.element()->event_id != event_id)
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{
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focus.element()->event_id = event_id;
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focus.element()->on_focus_gained();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_focus_lost (
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)
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{
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++event_id;
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focus.reset();
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while (focus.move_next())
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{
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if (focus.element()->event_id != event_id)
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{
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focus.element()->event_id = event_id;
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focus.element()->on_focus_lost();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_mouse_down (
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unsigned long btn,
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unsigned long state,
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long x,
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long y,
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bool is_double_click
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)
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{
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lastx = x;
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lasty = y;
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++event_id;
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mouse_click.reset();
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while (mouse_click.move_next())
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{
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if (mouse_click.element()->event_id != event_id)
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{
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mouse_click.element()->event_id = event_id;
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mouse_click.element()->on_mouse_down(btn,state,x,y,is_double_click);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_mouse_up (
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unsigned long btn,
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unsigned long state,
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long x,
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long y
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)
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{
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lastx = x;
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lasty = y;
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++event_id;
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mouse_click.reset();
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while (mouse_click.move_next())
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{
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if (mouse_click.element()->event_id != event_id)
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{
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mouse_click.element()->event_id = event_id;
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mouse_click.element()->on_mouse_up(btn,state,x,y);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_mouse_move (
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unsigned long state,
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long x,
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long y
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)
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{
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lastx = x;
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lasty = y;
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++event_id;
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mouse_move.reset();
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while (mouse_move.move_next())
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{
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if (mouse_move.element()->event_id != event_id)
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{
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mouse_move.element()->event_id = event_id;
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mouse_move.element()->on_mouse_move(state,x,y);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_mouse_leave (
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)
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{
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lastx = -1;
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lasty = -1;
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++event_id;
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mouse_move.reset();
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while (mouse_move.move_next())
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{
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if (mouse_move.element()->event_id != event_id)
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{
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mouse_move.element()->event_id = event_id;
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mouse_move.element()->on_mouse_leave();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_mouse_enter (
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)
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{
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++event_id;
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mouse_move.reset();
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while (mouse_move.move_next())
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{
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if (mouse_move.element()->event_id != event_id)
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{
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mouse_move.element()->event_id = event_id;
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mouse_move.element()->on_mouse_enter();
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_wheel_up (
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unsigned long state
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)
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{
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++event_id;
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mouse_wheel.reset();
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while (mouse_wheel.move_next())
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{
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if (mouse_wheel.element()->event_id != event_id)
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{
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mouse_wheel.element()->event_id = event_id;
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mouse_wheel.element()->on_wheel_up(state);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_wheel_down (
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unsigned long state
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)
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{
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++event_id;
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mouse_wheel.reset();
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while (mouse_wheel.move_next())
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{
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if (mouse_wheel.element()->event_id != event_id)
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{
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mouse_wheel.element()->event_id = event_id;
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mouse_wheel.element()->on_wheel_down(state);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable_window::
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on_string_put (
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const std::wstring &str
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)
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{
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++event_id;
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string_put.reset();
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while (string_put.move_next())
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{
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if (string_put.element()->event_id != event_id)
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{
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string_put.element()->event_id = event_id;
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string_put.element()->on_string_put(str);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// ----------- drawable object ----------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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void drawable::
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enable_events (
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)
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{
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auto_mutex M(m);
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if (enabled_events == false)
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{
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enabled_events = true;
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drawable* temp = this;
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long zo = z_order_value;
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drawable_window::set_of_drawables* sod = parent.widgets[zo];
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if (sod == 0)
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{
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// this drawable is the first widget at this z order so we need
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// to make its containing set
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drawable_window::set_of_drawables s;
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s.add(temp);
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parent.widgets.add(zo,s);
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}
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else
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{
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sod->add(temp);
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}
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temp = this;
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parent.widget_set.add(temp);
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if (events & MOUSE_MOVE)
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{
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temp = this;
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parent.mouse_move.add(temp);
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}
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if (events & MOUSE_CLICK)
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{
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temp = this;
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parent.mouse_click.add(temp);
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}
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if (events & MOUSE_WHEEL)
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{
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temp = this;
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parent.mouse_wheel.add(temp);
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}
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if (events & WINDOW_RESIZED)
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{
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temp = this;
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parent.window_resized.add(temp);
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}
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if (events & KEYBOARD_EVENTS)
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{
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temp = this;
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parent.keyboard.add(temp);
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}
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if (events & FOCUS_EVENTS)
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{
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temp = this;
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parent.focus.add(temp);
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}
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if (events & WINDOW_MOVED)
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{
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temp = this;
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parent.window_moved.add(temp);
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}
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if (events & STRING_PUT)
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{
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temp = this;
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parent.string_put.add(temp);
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}
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parent.invalidate_rectangle(rect);
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}
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}
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// ----------------------------------------------------------------------------------------
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void drawable::
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set_z_order (
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long order
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)
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{
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auto_mutex M(m);
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if (order != z_order_value && enabled_events)
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{
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// first remove this drawable from widgets
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drawable_window::set_of_drawables* sod = parent.widgets[z_order_value];
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drawable* junk;
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sod->remove(this,junk);
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// if there are no more drawables at this z order then destroy the
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// set for this order
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if (sod->size() == 0)
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parent.widgets.destroy(z_order_value);
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// now add this drawable to its new z order
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sod = parent.widgets[order];
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if (sod == 0)
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{
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// this drawable is the first widget at this z order so we need
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// to make its containing set
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drawable_window::set_of_drawables s, x;
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s.add(junk);
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long temp_order = order;
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parent.widgets.add(temp_order,s);
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}
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else
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{
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sod->add(junk);
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}
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parent.invalidate_rectangle(rect);
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}
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z_order_value = order;
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}
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// ----------------------------------------------------------------------------------------
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void drawable::
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disable_events (
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)
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{
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auto_mutex M(m);
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if (enabled_events)
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{
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enabled_events = false;
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// first remove this drawable from widgets
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drawable_window::set_of_drawables* sod = parent.widgets[z_order_value];
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drawable* junk;
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sod->remove(this,junk);
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// if there are no more drawables at this z order then destroy the
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// set for this order
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if (sod->size() == 0)
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parent.widgets.destroy(z_order_value);
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parent.widget_set.remove(this,junk);
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// now unregister this drawable from all the events it has registered for.
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if (events & MOUSE_MOVE)
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parent.mouse_move.remove(this,junk);
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if (events & MOUSE_CLICK)
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parent.mouse_click.remove(this,junk);
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if (events & MOUSE_WHEEL)
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parent.mouse_wheel.remove(this,junk);
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if (events & WINDOW_RESIZED)
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parent.window_resized.remove(this,junk);
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if (events & KEYBOARD_EVENTS)
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parent.keyboard.remove(this,junk);
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if (events & FOCUS_EVENTS)
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parent.focus.remove(this,junk);
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if (events & WINDOW_MOVED)
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parent.window_moved.remove(this,junk);
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if (events & STRING_PUT)
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parent.string_put.remove(this,junk);
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}
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}
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// ----------------------------------------------------------------------------------------
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drawable::
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~drawable (
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)
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||||
{
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DLIB_ASSERT(events_are_enabled() == false,
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"\tdrawable::~drawable()"
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<< "\n\tYou must disable events for drawable objects in their destructor by calling disable_events()."
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<< "\n\tthis: " << this
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);
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disable_events();
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_DRAWABLe_CPP_
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