140 lines
3.8 KiB
Plaintext
140 lines
3.8 KiB
Plaintext
/*
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* Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
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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 CUIListBox:CUIWidget
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{
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vector m_vecSize;
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string m_strTitle;
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string *m_strItems;
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int m_iItemCount;
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int m_iSelected;
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int m_iDrawOffset;
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void(void) CUIListBox;
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virtual void(vector) SetSize;
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virtual void(int) SetOffset;
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virtual void(string) AddItem;
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virtual void(int) SetItemCount;
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virtual string(int) GetItem;
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virtual int(void) GetSelected;
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virtual void(void) Draw;
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virtual void(float, float, float, float) Input;
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};
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void CUIListBox::CUIListBox(void)
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{
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m_vecSize = [96,16];
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m_iFlags = 1;
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m_iSelected = -1;
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}
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void CUIListBox::SetSize (vector vecSize)
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{
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m_vecSize = vecSize;
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}
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void CUIListBox::SetItemCount (int iCount)
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{
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if (!m_iItemCount) {
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dprint(sprintf("CUIListBox: Initialized with a maximum of %i entries\n", iCount));
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m_iItemCount = iCount;
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m_strItems = memalloc(iCount * sizeof(string));
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}
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}
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void CUIListBox::SetOffset (int iOffset)
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{
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int iMaxDisplay = bound(0, m_iItemCount, floor(m_vecSize[1] / 20));
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m_iDrawOffset = bound(0, iOffset, m_iItemCount - iMaxDisplay);
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}
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string CUIListBox::GetItem (int iIndex)
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{
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return m_strItems[iIndex];
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}
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int CUIListBox::GetSelected(void)
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{
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return m_iSelected;
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}
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void CUIListBox::AddItem (string strItem)
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{
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if (!m_iItemCount) {
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dprint("CUIListBox: Can't add item to empty list!\n");
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return;
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}
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for (int i = 0; i < m_iItemCount; i++) {
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if (!m_strItems[i]) {
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m_strItems[i] = strItem;
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dprint("CUIListBox: Item added\n");
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break;
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}
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}
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}
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void CUIListBox::Draw(void)
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{
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int iMaxDisplay;
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if (!m_iItemCount) {
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return;
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}
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drawfill(m_parent.m_vecOrigin + m_vecOrigin, m_vecSize, [0,0,0], 0.5f);
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drawfill(m_parent.m_vecOrigin + m_vecOrigin, [m_vecSize[0], 1], [0,0,0], 0.5f);
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drawfill(m_parent.m_vecOrigin + m_vecOrigin + [0, m_vecSize[1] - 1], [m_vecSize[0], 1], [1,1,1], 0.5f);
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drawfill(m_parent.m_vecOrigin + m_vecOrigin + [0, 1], [1, m_vecSize[1] - 2], [0,0,0], 0.5f);
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drawfill(m_parent.m_vecOrigin + m_vecOrigin + [m_vecSize[0] - 1, 1], [1, m_vecSize[1] - 2], [1,1,1], 0.5f);
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vector vecOffset = [8,8];
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iMaxDisplay = bound(0, m_iItemCount, floor(m_vecSize[1] / 20));
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for (int i = m_iDrawOffset; i < iMaxDisplay + m_iDrawOffset; i++) {
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if (!m_strItems[i]) {
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break;
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}
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if (m_iSelected == i) {
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drawfill(m_parent.m_vecOrigin + m_vecOrigin + vecOffset + [-7,-3], [m_vecSize[0] - 2, 18], [1,1,1], 0.5f);
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}
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Font_DrawText(m_parent.m_vecOrigin + m_vecOrigin + vecOffset, m_strItems[i], g_fntDefault);
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vecOffset[1] += 20;
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}
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}
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void CUIListBox::Input (float flEVType, float flKey, float flChar, float flDevID)
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{
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int iMaxDisplay;
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iMaxDisplay = bound(0, m_iItemCount, floor(m_vecSize[1] / 20));
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vector vecOffset = [8,8];
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if (flEVType == IE_KEYDOWN) {
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if (flKey == K_MOUSE1) {
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for (int i = m_iDrawOffset; i < iMaxDisplay + m_iDrawOffset; i++) {
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if (Util_MouseAbove(getmousepos(), m_parent.m_vecOrigin + m_vecOrigin + vecOffset, [m_vecSize[0] - 16, 20])) {
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m_iSelected = i;
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return;
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}
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vecOffset[1] += 20;
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}
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} else if (flKey == K_MWHEELUP) {
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SetOffset(--m_iDrawOffset);
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} else if (flKey == K_MWHEELDOWN) {
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SetOffset(++m_iDrawOffset);
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}
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}
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}
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