115 lines
2.8 KiB
Plaintext
115 lines
2.8 KiB
Plaintext
/*
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* Copyright (c) 2016-2022 Vera Visions LLC.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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 m_changed(float) = 0;
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resource_t m_resSlider;
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void CSlider(void);
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virtual void Draw(void);
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virtual void Input(float, float, float, float);
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virtual void SetValue(float);
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virtual void SetLength(float);
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virtual void SetCallback(void(float));
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};
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void
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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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m_resSlider = Resource_Check(strcat(g_bmp[SLIDER], ".bmp"));
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}
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void
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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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if (Resource_Available(m_resSlider))
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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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else {
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drawfill([g_menuofs[0]+m_x+(m_value * m_tlength)+3,g_menuofs[1]+m_y], [21,8], [1,1,1], 0.75f);
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}
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}
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void
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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
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CSlider::SetLength(float val)
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{
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m_length = val;
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m_tlength = m_length - 27;
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}
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void
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CSlider::SetValue(float val)
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{
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m_value = val;
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}
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void
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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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