Differential D761 Diff 3156 source/gui/IGUIScrollBar.cpp

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source/gui/IGUIScrollBar.cpp

/* Copyright (C) 2015 Wildfire Games.		/* Copyright (C) 2017 Wildfire Games.
* This file is part of 0 A.D.		* This file is part of 0 A.D.
*		*
* 0 A.D. is free software: you can redistribute it and/or modify		* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by		* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or		* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.		* (at your option) any later version.
*		*
* 0 A.D. is distributed in the hope that it will be useful,		* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of		* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.		* GNU General Public License for more details.
*		*
* You should have received a copy of the GNU General Public License		* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.		* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/		*/

#include "precompiled.h"		#include "precompiled.h"

#include "GUI.h"		#include "GUI.h"
#include "maths/MathUtil.h"		#include "maths/MathUtil.h"

IGUIScrollBar::IGUIScrollBar() : m_pStyle(NULL), m_pGUI(NULL),		IGUIScrollBar::IGUIScrollBar() : m_pStyle(NULL), m_pGUI(NULL),
StanUnsubmitted Not Done Inline Actions ? Stan: ?
s0600204AuthorUnsubmitted Not Done Inline Actions `m_pStyle` isn't used anywhere. Available scrollbar styles are all stored (within a `std::map`) in `CGUI` and are referred to (by their name) via the `m_ScrollbarStyle` attribute on the objects that use scrollbars. s0600204: `m_pStyle` isn't used anywhere. Available scrollbar styles are all stored (within a `std…
m_X(300.f), m_Y(300.f),		m_X(300.f), m_Y(300.f),
m_ScrollRange(1.f), m_ScrollSpace(0.f), // MaxPos: not 0, due to division.		m_ScrollRange(1.f), m_ScrollSpace(0.f), // MaxPos: not 0, due to division.
m_Length(200.f), m_Width(20.f),		m_Length(200.f), m_Breadth(20.f),
m_BarSize(0.f), m_Pos(0.f),		m_BarSize(0.f), m_Pos(0.f),
m_ButtonPlusPressed(false),		m_ButtonPlusPressed(false),
m_ButtonMinusPressed(false),		m_ButtonMinusPressed(false),
m_ButtonPlusHovered(false),		m_ButtonPlusHovered(false),
m_ButtonMinusHovered(false),		m_ButtonMinusHovered(false),
m_BarHovered(false),		m_BarHovered(false),
m_BarPressed(false)		m_BarPressed(false)
{		{
Show All 9 Lines	if (!GetStyle())
return;		return;

float min = GetStyle()->m_MinimumBarSize;		float min = GetStyle()->m_MinimumBarSize;
float max = GetStyle()->m_MaximumBarSize;		float max = GetStyle()->m_MaximumBarSize;
float length = m_Length;		float length = m_Length;

// Check for edge buttons		// Check for edge buttons
if (GetStyle()->m_UseEdgeButtons)		if (GetStyle()->m_UseEdgeButtons)
length -= GetStyle()->m_Width * 2.f;		length -= GetStyle()->m_Breadth * 2.f;

// Check min and max are valid		// Check min and max are valid
if (min > length)		if (min > length)
min = 0.f;		min = 0.f;
if (max < min)		if (max < min)
max = length;		max = length;

// Clamp size to not exceed a minimum or maximum.		// Clamp size to not exceed a minimum or maximum.
▲ Show 20 Lines • Show All 104 Lines • ▼ Show 20 Lines	void IGUIScrollBar::HandleMessage(SGUIMessage& Message)

case GUIM_MOUSE_RELEASE_LEFT:		case GUIM_MOUSE_RELEASE_LEFT:
m_ButtonMinusPressed = false;		m_ButtonMinusPressed = false;
m_ButtonPlusPressed = false;		m_ButtonPlusPressed = false;
break;		break;

case GUIM_MOUSE_WHEEL_UP:		case GUIM_MOUSE_WHEEL_UP:
{		{
ScrollMinus();		if (m_Pos <= 0)
		m_pHostObject->m_pParent->HandleMessage(Message);
// Since the scroll was changed, let's simulate a mouse movement		// Since the scroll was changed, let's simulate a mouse movement
// to check if scrollbar now is hovered		// to check if scrollbar now is hovered
SGUIMessage msg(GUIM_MOUSE_MOTION);		SGUIMessage msg(GUIM_MOUSE_MOTION);
HandleMessage(msg);		HandleMessage(msg);
break;		break;
}		}

case GUIM_MOUSE_WHEEL_DOWN:		case GUIM_MOUSE_WHEEL_DOWN:
{		{
ScrollPlus();		if (m_Pos >= GetMaxPos())
		m_pHostObject->m_pParent->HandleMessage(Message);
// Since the scroll was changed, let's simulate a mouse movement		// Since the scroll was changed, let's simulate a mouse movement
// to check if scrollbar now is hovered		// to check if scrollbar now is hovered
SGUIMessage msg(GUIM_MOUSE_MOTION);		SGUIMessage msg(GUIM_MOUSE_MOTION);
HandleMessage(msg);		HandleMessage(msg);
break;		break;
}		}

		case GUIM_SETTINGS_UPDATED:
		if (Message.value == "scrollbar_style")
		{
		CStr scrollbar_style;
		GUI<CStr>::GetSetting(m_pHostObject, "scrollbar_style", scrollbar_style);
		SetScrollBarStyle(scrollbar_style);
		}
		break;

		case GUIM_LOAD:
		{
		CStr scrollbar_style;
		GUI<CStr>::GetSetting(m_pHostObject, "scrollbar_style", scrollbar_style);
		SetScrollBarStyle(scrollbar_style);
		break;
		}

default:		default:
break;		break;
}		}
}		}