diff options
Diffstat (limited to 'nGenEx/EventDispatch.cpp')
-rw-r--r-- | nGenEx/EventDispatch.cpp | 574 |
1 files changed, 299 insertions, 275 deletions
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<EventTarget> 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<EventTarget> 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(); + } +} |