92 lines
1.7 KiB
C++
Executable File
92 lines
1.7 KiB
C++
Executable File
/*
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IGUIScrollBar
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by Gustav Larsson
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gee@pyro.nu
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*/
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//#include "stdafx.h"
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#include "GUI.h"
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using namespace std;
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//-------------------------------------------------------------------
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// IGUIScrollBar
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//-------------------------------------------------------------------
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IGUIScrollBar::IGUIScrollBar() : m_pStyle(NULL), m_X(300), m_Y(300), m_Length(200), m_Width(20), m_BarSize(0.5), m_Pos(0.5)
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{
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}
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IGUIScrollBar::~IGUIScrollBar()
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{
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}
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const SGUIScrollBarStyle & IGUIScrollBar::GetStyle() const
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{
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if (!m_pHostObject)
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return SGUIScrollBarStyle();
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return m_pHostObject->GetScrollBarStyle(m_ScrollBarStyle);
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}
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void IGUIScrollBar::UpdatePosBoundaries()
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{
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if (m_Pos > 1.f)
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m_Pos = 1.f;
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else
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if (m_Pos < 0.f)
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m_Pos = 0.f;
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}
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bool IGUIScrollBar::HandleMessage(const SGUIMessage &Message)
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{
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switch (Message.type)
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{
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case GUIM_MOUSE_MOTION:
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if (m_BarPressed)
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{
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SetPosFromMousePos(m_pHostObject->GetMouseX(), m_pHostObject->GetMouseY());
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UpdatePosBoundaries();
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}
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break;
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case GUIM_MOUSE_PRESS_LEFT:
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{
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if (!m_pHostObject)
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break;
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int mouse_x = m_pHostObject->GetMouseX(),
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mouse_y = m_pHostObject->GetMouseY();
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// if bar is pressed
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if (mouse_x >= GetBarRect().left &&
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mouse_x <= GetBarRect().right &&
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mouse_y >= GetBarRect().top &&
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mouse_y <= GetBarRect().bottom)
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{
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m_BarPressed = true;
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m_BarPressedAtX = mouse_x;
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m_BarPressedAtY = mouse_y;
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m_PosWhenPressed = m_Pos;
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}
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else
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// if button-minus is pressed
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if (HoveringButtonMinus(mouse_x, mouse_y))
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{
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ScrollMinus();
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}
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else
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// if button-plus is pressed
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if (HoveringButtonPlus(mouse_x, mouse_y))
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{
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ScrollPlus();
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}
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}
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break;
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default:
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return false;
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}
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return true;
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}
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