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https://github.com/libretro/scummvm.git
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90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/* 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GUI_WIDGETS_SCROLLBAR_H
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#define GUI_WIDGETS_SCROLLBAR_H
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#include "gui/widget.h"
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namespace GUI {
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enum {
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kSetPositionCmd = 'SETP'
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};
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class ScrollBarWidget : public Widget, public CommandSender {
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protected:
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typedef enum {
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kNoPart,
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kUpArrowPart,
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kDownArrowPart,
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kSliderPart,
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kPageUpPart,
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kPageDownPart
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} Part;
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Part _part;
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int _sliderHeight;
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int _sliderPos;
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Part _draggingPart;
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int _sliderDeltaMouseDownPos;
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enum {
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kRepeatInitialDelay = 500,
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kRepeatDelay = 100
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};
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uint32 _repeatTimer;
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public:
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int _numEntries;
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int _entriesPerPage;
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int _currentPos;
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int _singleStep;
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public:
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ScrollBarWidget(GuiObject *boss, int x, int y, int w, int h);
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void handleMouseDown(int x, int y, int button, int clickCount) override;
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void handleMouseUp(int x, int y, int button, int clickCount) override;
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void handleMouseWheel(int x, int y, int direction) override;
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void handleMouseMoved(int x, int y, int button) override;
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void handleMouseEntered(int button) override { setFlags(WIDGET_HILITED); }
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void handleMouseLeft(int button) override { clearFlags(WIDGET_HILITED); _part = kNoPart; markAsDirty(); }
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void handleTickle() override;
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bool wantsFocus() override { return true; }
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// FIXME - this should be private, but then we also have to add accessors
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// for _numEntries, _entriesPerPage and _currentPos. This again leads to the question:
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// should these accessors force a redraw?
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void recalc();
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void checkBounds(int old_pos);
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protected:
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void drawWidget() override;
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};
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} // End of namespace GUI
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#endif
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