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UI|Client|Input Settings: Added a Key Grabber utility
Shows the key codes and symbolic name of all received key events (except Esc, which clears keyboard focus).
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,39 @@ | ||
| /** @file keygrabberwidget.h Grabs key events and shows them. | ||
| * | ||
| * @authors Copyright (c) 2013 Jaakko Keränen <jaakko.keranen@iki.fi> | ||
| * | ||
| * @par License | ||
| * GPL: http://www.gnu.org/licenses/gpl.html | ||
| * | ||
| * <small>This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by the | ||
| * Free Software Foundation; either version 2 of the License, or (at your | ||
| * option) any later version. This program is distributed in the hope that it | ||
| * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty | ||
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
| * Public License for more details. You should have received a copy of the GNU | ||
| * General Public License along with this program; if not, see: | ||
| * http://www.gnu.org/licenses</small> | ||
| */ | ||
|
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| #ifndef DENG_CLIENT_KEYGRABBERWIDGET_H | ||
| #define DENG_CLIENT_KEYGRABBERWIDGET_H | ||
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| #include "labelwidget.h" | ||
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| /** | ||
| * When focused, grabs key events and shows the key event data. However, Esc is | ||
| * never grabbed. | ||
| */ | ||
| class KeyGrabberWidget : public LabelWidget | ||
| { | ||
| public: | ||
| KeyGrabberWidget(de::String const &name = ""); | ||
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| bool handleEvent(de::Event const &event); | ||
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| private: | ||
| DENG2_PRIVATE(d) | ||
| }; | ||
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| #endif // DENG_CLIENT_KEYGRABBERWIDGET_H |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,113 @@ | ||
| /** @file keygrabberwidget.cpp | ||
| * | ||
| * @authors Copyright (c) 2013 Jaakko Keränen <jaakko.keranen@iki.fi> | ||
| * | ||
| * @par License | ||
| * GPL: http://www.gnu.org/licenses/gpl.html | ||
| * | ||
| * <small>This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by the | ||
| * Free Software Foundation; either version 2 of the License, or (at your | ||
| * option) any later version. This program is distributed in the hope that it | ||
| * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty | ||
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
| * Public License for more details. You should have received a copy of the GNU | ||
| * General Public License along with this program; if not, see: | ||
| * http://www.gnu.org/licenses</small> | ||
| */ | ||
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| #include "ui/widgets/keygrabberwidget.h" | ||
| #include "ui/dd_input.h" | ||
| #include "ui/b_util.h" | ||
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| #include <de/KeyEvent> | ||
| #include <de/ddstring.h> | ||
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| using namespace de; | ||
| using namespace ui; | ||
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| DENG_GUI_PIMPL(KeyGrabberWidget) | ||
| { | ||
| Instance(Public *i) : Base(i) | ||
| {} | ||
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| void focus() | ||
| { | ||
| root().setFocus(thisPublic); | ||
| self.set(Background(Background::GradientFrame, style().colors().colorf("accent"), 6)); | ||
| self.setText(tr("Waiting for a key...")); | ||
| } | ||
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| void unfocus() | ||
| { | ||
| root().setFocus(0); | ||
| self.set(Background()); | ||
| self.setText(tr("Click to focus")); | ||
| } | ||
| }; | ||
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| KeyGrabberWidget::KeyGrabberWidget(String const &name) | ||
| : LabelWidget(name), d(new Instance(this)) | ||
| { | ||
| setTextLineAlignment(AlignLeft); | ||
| setText(tr("Click to focus")); | ||
| } | ||
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| bool KeyGrabberWidget::handleEvent(Event const &event) | ||
| { | ||
| if(!hasFocus()) | ||
| { | ||
| switch(handleMouseClick(event)) | ||
| { | ||
| case MouseClickFinished: | ||
| d->focus(); | ||
| return true; | ||
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| default: | ||
| return false; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| if(KeyEvent const *key = event.maybeAs<KeyEvent>()) | ||
| { | ||
| if(key->ddKey() == DDKEY_ESCAPE) | ||
| { | ||
| d->unfocus(); | ||
| return true; | ||
| } | ||
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| ddstring_t name; | ||
| Str_Init(&name); | ||
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| ddevent_t ev; | ||
| DD_ConvertEvent(event, &ev); | ||
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| B_AppendEventToString(&ev, &name); | ||
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| String info; | ||
| info = String("DD:%1 Qt:0x%2 Native:0x%3\n" _E(m) "%4") | ||
| .arg(key->ddKey()) | ||
| .arg(key->qtKey(), 0, 16) | ||
| .arg(key->nativeCode(), 0, 16) | ||
| .arg(Str_Text(&name)); | ||
| setText(info); | ||
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| Str_Free(&name); | ||
| return true; | ||
| } | ||
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| if(MouseEvent const *mouse = event.maybeAs<MouseEvent>()) | ||
| { | ||
| if(mouse->type() == Event::MouseButton && | ||
| mouse->state() == MouseEvent::Released && | ||
| !hitTest(event)) | ||
| { | ||
| // Clicking outside clears focus. | ||
| d->unfocus(); | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| return false; | ||
| } |
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