From 2c1c5595efec1db63c142accda59e83079af217e Mon Sep 17 00:00:00 2001 From: "milo24x7@gmail.com" Date: Sun, 7 Jul 2013 21:26:31 +0000 Subject: Updated open source license declaration and fixed some formatting issues. --- nGenEx/EventDispatch.cpp | 574 ++++++++++++++++++++++++----------------------- 1 file changed, 299 insertions(+), 275 deletions(-) (limited to 'nGenEx/EventDispatch.cpp') diff --git a/nGenEx/EventDispatch.cpp b/nGenEx/EventDispatch.cpp index 4ef9d9b..25f260b 100644 --- a/nGenEx/EventDispatch.cpp +++ b/nGenEx/EventDispatch.cpp @@ -1,275 +1,299 @@ -/* Project nGenEx - Destroyer Studios LLC - Copyright © 1997-2004. All Rights Reserved. - - SUBSYSTEM: nGenEx.lib - FILE: EventDispatch.cpp - AUTHOR: John DiCamillo - -*/ - -#include "MemDebug.h" -#include "EventDispatch.h" -#include "Mouse.h" -#include "Keyboard.h" - -// +--------------------------------------------------------------------+ - -int GetKeyPlus(int& key, int& shift); - -// +--------------------------------------------------------------------+ - -EventDispatch* EventDispatch::dispatcher = 0; - -// +--------------------------------------------------------------------+ - -EventDispatch::EventDispatch() -: capture(0), current(0), focus(0), click_tgt(0) -, mouse_x(0), mouse_y(0), mouse_l(0), mouse_r(0) -{ } - -EventDispatch::~EventDispatch() -{ } - -// +--------------------------------------------------------------------+ - -void -EventDispatch::Create() -{ - dispatcher = new(__FILE__,__LINE__) EventDispatch; -} - -// +--------------------------------------------------------------------+ - -void -EventDispatch::Close() -{ - delete dispatcher; - dispatcher = 0; -} - -// +--------------------------------------------------------------------+ - -void -EventDispatch::Dispatch() -{ - int ml = Mouse::LButton(); - int mr = Mouse::RButton(); - int mx = Mouse::X(); - int my = Mouse::Y(); - int mw = Mouse::Wheel(); - - EventTarget* mouse_tgt = capture; - EventTarget* key_tgt = focus; - EventTarget* do_click = 0; - - if (!mouse_tgt) { - ListIter iter = clients; - while (++iter) { - EventTarget* test = iter.value(); - if (test->IsFormActive()) { - if (test->TargetRect().Contains(mx,my)) - mouse_tgt = test; - - if (test->HasFocus()) - key_tgt = test; - } - } - } - - // Mouse Events: - - if (mouse_tgt != current) { - if (current && current->IsEnabled() && current->IsVisible()) - current->OnMouseExit(mx,my); - - current = mouse_tgt; - - if (current && current->IsEnabled() && current->IsVisible()) - current->OnMouseEnter(mx,my); - } - - if (mouse_tgt && mouse_tgt->IsEnabled()) { - if (mx != mouse_x || my != mouse_y) - mouse_tgt->OnMouseMove(mx,my); - - if (mw != 0) - mouse_tgt->OnMouseWheel(mw); - - if (ml != mouse_l) { - if (ml) { - mouse_tgt->OnLButtonDown(mx,my); - click_tgt = mouse_tgt; - } - else { - mouse_tgt->OnLButtonUp(mx,my); - - if (click_tgt == mouse_tgt) { - if (click_tgt->TargetRect().Contains(mx,my)) - do_click = click_tgt; - click_tgt = 0; - } - } - } - - if (mr != mouse_r) { - if (mr) - mouse_tgt->OnRButtonDown(mx,my); - else - mouse_tgt->OnRButtonUp(mx,my); - } - } - - mouse_l = ml; - mouse_r = mr; - mouse_x = mx; - mouse_y = my; - - // Keyboard Events: - - if (click_tgt && click_tgt != key_tgt) { - if (key_tgt) key_tgt->KillFocus(); - key_tgt = click_tgt; - - if (key_tgt != focus) { - if (focus) focus->KillFocus(); - - if (key_tgt && key_tgt->IsEnabled() && key_tgt->IsVisible()) - focus = key_tgt; - else - key_tgt = 0; - - if (focus) focus->SetFocus(); - } - } - - if (key_tgt && key_tgt->IsEnabled()) { - int key = 0; - int shift = 0; - - while (GetKeyPlus(key, shift)) { - if (key == VK_ESCAPE) { - key_tgt->KillFocus(); - focus = 0; - break; - } - - else if (key == VK_TAB && focus) { - int key_index = clients.index(focus) + 1; - - if (shift & 1) key_index -= 2; - - if (key_index >= clients.size()) - key_index = 0; - else if (key_index < 0) - key_index = clients.size()-1; - - if (focus) focus->KillFocus(); - focus = clients[key_index]; - if (focus) focus->SetFocus(); - - break; - } - - key_tgt->OnKeyDown(key, shift); - } - } - - if (do_click) - do_click->OnClick(); -} - -// +--------------------------------------------------------------------+ - -void -EventDispatch::MouseEnter(EventTarget* mouse_tgt) -{ - if (mouse_tgt != current) { - if (current) current->OnMouseExit(0,0); - current = mouse_tgt; - if (current) current->OnMouseEnter(0,0); - } -} - -// +--------------------------------------------------------------------+ - -void -EventDispatch::Register(EventTarget* tgt) -{ - if (!clients.contains(tgt)) - clients.append(tgt); -} - -// +--------------------------------------------------------------------+ - -void -EventDispatch::Unregister(EventTarget* tgt) -{ - clients.remove(tgt); - - if (capture == tgt) capture = 0; - if (current == tgt) current = 0; - if (focus == tgt) focus = 0; - if (click_tgt == tgt) click_tgt = 0; -} - -// +--------------------------------------------------------------------+ - -EventTarget* -EventDispatch::GetCapture() -{ - return capture; -} - -int -EventDispatch::CaptureMouse(EventTarget* tgt) -{ - if (tgt) { - capture = tgt; - return 1; - } - - return 0; -} - -int -EventDispatch::ReleaseMouse(EventTarget* tgt) -{ - if (capture == tgt) { - capture = 0; - return 1; - } - - return 0; -} - -// +--------------------------------------------------------------------+ - -EventTarget* -EventDispatch::GetFocus() -{ - return focus; -} - -void -EventDispatch::SetFocus(EventTarget* tgt) -{ - if (focus != tgt) { - if (focus) - focus->KillFocus(); - - focus = tgt; - - if (focus && focus->IsEnabled() && focus->IsVisible()) - focus->SetFocus(); - } -} - -void -EventDispatch::KillFocus(EventTarget* tgt) -{ - if (focus && focus == tgt) { - focus = 0; - tgt->KillFocus(); - } -} +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: EventDispatch.cpp + AUTHOR: John DiCamillo + +*/ + +#include "MemDebug.h" +#include "EventDispatch.h" +#include "Mouse.h" +#include "Keyboard.h" + +// +--------------------------------------------------------------------+ + +int GetKeyPlus(int& key, int& shift); + +// +--------------------------------------------------------------------+ + +EventDispatch* EventDispatch::dispatcher = 0; + +// +--------------------------------------------------------------------+ + +EventDispatch::EventDispatch() + : capture(0), current(0), focus(0), click_tgt(0), + mouse_x(0), mouse_y(0), mouse_l(0), mouse_r(0) +{ } + +EventDispatch::~EventDispatch() +{ } + +// +--------------------------------------------------------------------+ + +void +EventDispatch::Create() +{ + dispatcher = new(__FILE__,__LINE__) EventDispatch; +} + +// +--------------------------------------------------------------------+ + +void +EventDispatch::Close() +{ + delete dispatcher; + dispatcher = 0; +} + +// +--------------------------------------------------------------------+ + +void +EventDispatch::Dispatch() +{ + int ml = Mouse::LButton(); + int mr = Mouse::RButton(); + int mx = Mouse::X(); + int my = Mouse::Y(); + int mw = Mouse::Wheel(); + + EventTarget* mouse_tgt = capture; + EventTarget* key_tgt = focus; + EventTarget* do_click = 0; + + if (!mouse_tgt) { + ListIter iter = clients; + while (++iter) { + EventTarget* test = iter.value(); + if (test->IsFormActive()) { + if (test->TargetRect().Contains(mx,my)) + mouse_tgt = test; + + if (test->HasFocus()) + key_tgt = test; + } + } + } + + // Mouse Events: + + if (mouse_tgt != current) { + if (current && current->IsEnabled() && current->IsVisible()) + current->OnMouseExit(mx,my); + + current = mouse_tgt; + + if (current && current->IsEnabled() && current->IsVisible()) + current->OnMouseEnter(mx,my); + } + + if (mouse_tgt && mouse_tgt->IsEnabled()) { + if (mx != mouse_x || my != mouse_y) + mouse_tgt->OnMouseMove(mx,my); + + if (mw != 0) + mouse_tgt->OnMouseWheel(mw); + + if (ml != mouse_l) { + if (ml) { + mouse_tgt->OnLButtonDown(mx,my); + click_tgt = mouse_tgt; + } + else { + mouse_tgt->OnLButtonUp(mx,my); + + if (click_tgt == mouse_tgt) { + if (click_tgt->TargetRect().Contains(mx,my)) + do_click = click_tgt; + click_tgt = 0; + } + } + } + + if (mr != mouse_r) { + if (mr) + mouse_tgt->OnRButtonDown(mx,my); + else + mouse_tgt->OnRButtonUp(mx,my); + } + } + + mouse_l = ml; + mouse_r = mr; + mouse_x = mx; + mouse_y = my; + + // Keyboard Events: + + if (click_tgt && click_tgt != key_tgt) { + if (key_tgt) key_tgt->KillFocus(); + key_tgt = click_tgt; + + if (key_tgt != focus) { + if (focus) focus->KillFocus(); + + if (key_tgt && key_tgt->IsEnabled() && key_tgt->IsVisible()) + focus = key_tgt; + else + key_tgt = 0; + + if (focus) focus->SetFocus(); + } + } + + if (key_tgt && key_tgt->IsEnabled()) { + int key = 0; + int shift = 0; + + while (GetKeyPlus(key, shift)) { + if (key == VK_ESCAPE) { + key_tgt->KillFocus(); + focus = 0; + break; + } + + else if (key == VK_TAB && focus) { + int key_index = clients.index(focus) + 1; + + if (shift & 1) key_index -= 2; + + if (key_index >= clients.size()) + key_index = 0; + else if (key_index < 0) + key_index = clients.size()-1; + + if (focus) focus->KillFocus(); + focus = clients[key_index]; + if (focus) focus->SetFocus(); + + break; + } + + key_tgt->OnKeyDown(key, shift); + } + } + + if (do_click) + do_click->OnClick(); +} + +// +--------------------------------------------------------------------+ + +void +EventDispatch::MouseEnter(EventTarget* mouse_tgt) +{ + if (mouse_tgt != current) { + if (current) current->OnMouseExit(0,0); + current = mouse_tgt; + if (current) current->OnMouseEnter(0,0); + } +} + +// +--------------------------------------------------------------------+ + +void +EventDispatch::Register(EventTarget* tgt) +{ + if (!clients.contains(tgt)) + clients.append(tgt); +} + +// +--------------------------------------------------------------------+ + +void +EventDispatch::Unregister(EventTarget* tgt) +{ + clients.remove(tgt); + + if (capture == tgt) capture = 0; + if (current == tgt) current = 0; + if (focus == tgt) focus = 0; + if (click_tgt == tgt) click_tgt = 0; +} + +// +--------------------------------------------------------------------+ + +EventTarget* +EventDispatch::GetCapture() +{ + return capture; +} + +int +EventDispatch::CaptureMouse(EventTarget* tgt) +{ + if (tgt) { + capture = tgt; + return 1; + } + + return 0; +} + +int +EventDispatch::ReleaseMouse(EventTarget* tgt) +{ + if (capture == tgt) { + capture = 0; + return 1; + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +EventTarget* +EventDispatch::GetFocus() +{ + return focus; +} + +void +EventDispatch::SetFocus(EventTarget* tgt) +{ + if (focus != tgt) { + if (focus) + focus->KillFocus(); + + focus = tgt; + + if (focus && focus->IsEnabled() && focus->IsVisible()) + focus->SetFocus(); + } +} + +void +EventDispatch::KillFocus(EventTarget* tgt) +{ + if (focus && focus == tgt) { + focus = 0; + tgt->KillFocus(); + } +} -- cgit v1.1