87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/***
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*
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* Copyright (c) 2016-2019 Marco 'eukara' Hladik. All rights reserved.
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*
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* See the file LICENSE attached with the sources for usage details.
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*
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****/
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class CSlider:CWidget
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{
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int m_length;
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int m_tlength;
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int m_hover;
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int m_hold;
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float m_value;
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virtual void(float value) m_changed = 0;
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void() CSlider;
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virtual void() Draw;
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virtual void(float type, float x, float y, float devid) Input;
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virtual void(float val) SetValue;
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virtual void(void(float val) vFunc) SetCallback;
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};
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void CSlider::CSlider(void)
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{
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/* There's the physical length (t_length) and the actual length
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* (border, etc. ignored) */
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m_length = 156;
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m_tlength = m_length - 27;
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}
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void CSlider::Draw(void)
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{
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drawfill([g_menuofs[0]+m_x,g_menuofs[1]+m_y], [m_length,8], [0.25,0.25,0.25], 1.0f);
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drawfill([g_menuofs[0]+m_x+3,g_menuofs[1]+m_y+3], [m_length-6,2], [0,0,0], 1.0f);
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drawpic([g_menuofs[0]+m_x+(m_value * m_tlength)+3,g_menuofs[1]+m_y], g_bmp[SLIDER],
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[21,8], [1,1,1], 1.0f);
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}
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void CSlider::Input(float type, float x, float y, float devid)
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{
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if (Util_CheckMouse(m_x, m_y, m_length, 8) == TRUE) {
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m_hover = TRUE;
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} else {
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m_hover = FALSE;
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}
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if (m_hover && type == IE_KEYDOWN && x == K_MOUSE1) {
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m_hold = TRUE;
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}
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if (type == IE_KEYUP && x == K_MOUSE1) {
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if (m_hold) {
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m_hold = FALSE;
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}
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}
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if (m_hold) {
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if (g_mousepos[0] != g_lastmousepos[0] || g_mousepos[1] != g_lastmousepos[1]) {
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int mdelta;
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/* The - 10 is putting the slider in the middle of the cursor */
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mdelta = (g_mousepos[0] - 10) - (g_menuofs[0]+m_x);
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m_value = ((float)mdelta / (float)m_tlength);
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m_value = bound(0.0f, m_value, 1.0f);
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g_lastmousepos[0] = g_mousepos[0];
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g_lastmousepos[1] = g_mousepos[1];
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if (m_changed) {
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m_changed(m_value);
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}
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}
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}
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}
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void CSlider::SetValue(float val)
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{
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m_value = val;
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}
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void CSlider::SetCallback(void(float val) vFunc)
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{
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m_changed = vFunc;
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}
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