GUI: Move major widgets to new directory gui/widgets
Also renamed the source/header files, now they are more closely aligned to how we rename most other source files svn-id: r54264
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Max Horn
parent
c734fc2b3e
commit
427dc1ae93
34 changed files with 57 additions and 59 deletions
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#include "ScrollBarWidget.h"
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#include "gui/dialog.h"
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#include "gui/GuiManager.h"
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#include "common/timer.h"
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namespace GUI {
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#define UP_DOWN_BOX_HEIGHT (_w+1)
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ScrollBarWidget::ScrollBarWidget(GuiObject *boss, int x, int y, int w, int h)
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: Widget (boss, x, y, w, h), CommandSender(boss) {
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setFlags(WIDGET_ENABLED | WIDGET_TRACK_MOUSE | WIDGET_CLEARBG | WIDGET_WANT_TICKLE);
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_type = kScrollBarWidget;
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_part = kNoPart;
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_sliderHeight = 0;
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_sliderPos = 0;
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_draggingPart = kNoPart;
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_sliderDeltaMouseDownPos = 0;
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_numEntries = 0;
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_entriesPerPage = 0;
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_currentPos = 0;
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}
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static void upArrowRepeater(void *ref) {
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ScrollBarWidget *sb = (ScrollBarWidget *)ref;
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int old_pos = sb->_currentPos;
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sb->_currentPos -= 3;
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sb->checkBounds(old_pos);
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g_system->getTimerManager()->removeTimerProc(&upArrowRepeater);
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g_system->getTimerManager()->installTimerProc(&upArrowRepeater, 1000000/10, ref);
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}
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static void downArrowRepeater(void *ref) {
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ScrollBarWidget *sb = (ScrollBarWidget *)ref;
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int old_pos = sb->_currentPos;
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sb->_currentPos += 3;
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sb->checkBounds(old_pos);
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g_system->getTimerManager()->removeTimerProc(&downArrowRepeater);
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g_system->getTimerManager()->installTimerProc(&downArrowRepeater, 1000000/10, ref);
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}
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void ScrollBarWidget::handleMouseDown(int x, int y, int button, int clickCount) {
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int old_pos = _currentPos;
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// Do nothing if there are less items than fit on one page
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if (_numEntries <= _entriesPerPage)
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return;
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if (y <= UP_DOWN_BOX_HEIGHT) {
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// Up arrow
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_currentPos--;
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_draggingPart = kUpArrowPart;
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g_system->getTimerManager()->installTimerProc(&upArrowRepeater, 1000000/2, this);
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} else if (y >= _h - UP_DOWN_BOX_HEIGHT) {
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// Down arrow
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_currentPos++;
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_draggingPart = kDownArrowPart;
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g_system->getTimerManager()->installTimerProc(&downArrowRepeater, 1000000/2, this);
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} else if (y < _sliderPos) {
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_currentPos -= _entriesPerPage - 1;
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} else if (y >= _sliderPos + _sliderHeight) {
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_currentPos += _entriesPerPage - 1;
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} else {
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_draggingPart = kSliderPart;
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_sliderDeltaMouseDownPos = y - _sliderPos;
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}
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// Make sure that _currentPos is still inside the bounds
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checkBounds(old_pos);
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}
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void ScrollBarWidget::handleMouseUp(int x, int y, int button, int clickCount) {
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_draggingPart = kNoPart;
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g_system->getTimerManager()->removeTimerProc(&upArrowRepeater);
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g_system->getTimerManager()->removeTimerProc(&downArrowRepeater);
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}
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void ScrollBarWidget::handleMouseWheel(int x, int y, int direction) {
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int old_pos = _currentPos;
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if (_numEntries < _entriesPerPage)
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return;
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if (direction < 0) {
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_currentPos--;
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} else {
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_currentPos++;
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}
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// Make sure that _currentPos is still inside the bounds
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checkBounds(old_pos);
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}
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void ScrollBarWidget::handleMouseMoved(int x, int y, int button) {
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// Do nothing if there are less items than fit on one page
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if (_numEntries <= _entriesPerPage)
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return;
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if (_draggingPart == kSliderPart) {
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int old_pos = _currentPos;
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_sliderPos = y - _sliderDeltaMouseDownPos;
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if (_sliderPos < UP_DOWN_BOX_HEIGHT)
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_sliderPos = UP_DOWN_BOX_HEIGHT;
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if (_sliderPos > _h - UP_DOWN_BOX_HEIGHT - _sliderHeight)
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_sliderPos = _h - UP_DOWN_BOX_HEIGHT - _sliderHeight;
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_currentPos =
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(_sliderPos - UP_DOWN_BOX_HEIGHT) * (_numEntries - _entriesPerPage) / (_h - 2 * UP_DOWN_BOX_HEIGHT - _sliderHeight);
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checkBounds(old_pos);
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} else {
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int old_part = _part;
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if (y <= UP_DOWN_BOX_HEIGHT) // Up arrow
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_part = kUpArrowPart;
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else if (y >= _h - UP_DOWN_BOX_HEIGHT) // Down arrow
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_part = kDownArrowPart;
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else if (y < _sliderPos)
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_part = kPageUpPart;
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else if (y >= _sliderPos + _sliderHeight)
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_part = kPageDownPart;
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else
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_part = kSliderPart;
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if (old_part != _part)
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draw();
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}
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}
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void ScrollBarWidget::handleTickle() {
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/*
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// FIXME/TODO - this code is supposed to allow for "click-repeat" (like key repeat),
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// i.e. if you click on one of the arrows and keep clicked, it will scroll
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// continuously. However, just like key repeat, this requires two delays:
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// First an "initial" delay that has to pass before repeating starts (otherwise
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// it is near to impossible to achieve single clicks). Secondly, a repeat delay
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// that determines how often per second a click is simulated.
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int old_pos = _currentPos;
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if (_draggingPart == kUpArrowPart)
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_currentPos--;
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else if (_draggingPart == kDownArrowPart)
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_currentPos++;
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// Make sure that _currentPos is still inside the bounds
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checkBounds(old_pos);
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*/
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}
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void ScrollBarWidget::checkBounds(int old_pos) {
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if (_numEntries <= _entriesPerPage || _currentPos < 0)
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_currentPos = 0;
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else if (_currentPos > _numEntries - _entriesPerPage)
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_currentPos = _numEntries - _entriesPerPage;
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if (old_pos != _currentPos) {
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recalc();
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draw();
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sendCommand(kSetPositionCmd, _currentPos);
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}
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}
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void ScrollBarWidget::recalc() {
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if (_numEntries > _entriesPerPage) {
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_sliderHeight = (_h - 2 * UP_DOWN_BOX_HEIGHT) * _entriesPerPage / _numEntries;
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if (_sliderHeight < UP_DOWN_BOX_HEIGHT)
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_sliderHeight = UP_DOWN_BOX_HEIGHT;
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_sliderPos =
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UP_DOWN_BOX_HEIGHT + (_h - 2 * UP_DOWN_BOX_HEIGHT - _sliderHeight) * _currentPos / (_numEntries - _entriesPerPage);
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if (_sliderPos < 0)
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_sliderPos = 0;
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setVisible(true);
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} else {
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_sliderHeight = _h - 2 * UP_DOWN_BOX_HEIGHT;
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_sliderPos = UP_DOWN_BOX_HEIGHT;
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setVisible(false);
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}
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}
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void ScrollBarWidget::drawWidget() {
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if (_draggingPart != kNoPart)
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_part = _draggingPart;
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ThemeEngine::ScrollbarState state = ThemeEngine::kScrollbarStateNo;
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if (_numEntries <= _entriesPerPage) {
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state = ThemeEngine::kScrollbarStateSinglePage;
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} else if (_part == kUpArrowPart) {
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state = ThemeEngine::kScrollbarStateUp;
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} else if (_part == kDownArrowPart) {
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state = ThemeEngine::kScrollbarStateDown;
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} else if (_part == kSliderPart) {
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state = ThemeEngine::kScrollbarStateSlider;
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}
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g_gui.theme()->drawScrollbar(Common::Rect(_x, _y, _x+_w, _y+_h), _sliderPos, _sliderHeight, state, _state);
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}
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} // End of namespace GUI
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