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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ags/engine/gui/my_listbox.h"
#include "ags/shared/ac/common.h"
#include "ags/engine/ac/game_setup.h"
#include "ags/shared/ac/keycode.h"
#include "ags/shared/font/fonts.h"
#include "ags/shared/gfx/bitmap.h"
#include "ags/engine/gui/gui_dialog.h"
#include "ags/engine/gui/gui_dialog_defines.h"
namespace AGS3 {
using namespace AGS::Shared;
MyListBox::MyListBox(int xx, int yy, int wii, int hii) {
x = xx;
y = yy;
wid = wii;
hit = hii;
hit -= (hit - 4) % TEXT_HT; // resize to multiple of text height
numonscreen = (hit - 4) / TEXT_HT;
items = 0;
topitem = 0;
selected = -1;
memset(itemnames, 0, sizeof(itemnames));
}
void MyListBox::clearlist() {
for (int kk = 0; kk < items; kk++)
free(itemnames[kk]);
items = 0;
}
MyListBox::~MyListBox() {
clearlist();
}
void MyListBox::draw(Bitmap *ds) {
color_t draw_color = ds->GetCompatibleColor(_G(windowbackgroundcolor));
ds->FillRect(Rect(x, y, x + wid, y + hit), draw_color);
draw_color = ds->GetCompatibleColor(0);
ds->DrawRect(Rect(x, y, x + wid, y + hit), draw_color);
int widwas = wid;
wid -= ARROWWIDTH;
ds->DrawLine(Line(x + wid, y, x + wid, y + hit), draw_color); // draw the up/down arrows
ds->DrawLine(Line(x + wid, y + hit / 2, x + widwas, y + hit / 2), draw_color);
int xmidd = x + wid + (widwas - wid) / 2;
if (topitem < 1)
draw_color = ds->GetCompatibleColor(7);
ds->DrawLine(Line(xmidd, y + 2, xmidd, y + 10), draw_color); // up arrow
ds->DrawLine(Line(xmidd - 1, y + 3, xmidd + 1, y + 3), draw_color);
ds->DrawLine(Line(xmidd - 2, y + 4, xmidd + 2, y + 4), draw_color);
draw_color = ds->GetCompatibleColor(0);
if (topitem + numonscreen >= items)
draw_color = ds->GetCompatibleColor(7);
ds->DrawLine(Line(xmidd, y + hit - 10, xmidd, y + hit - 3), draw_color); // down arrow
ds->DrawLine(Line(xmidd - 1, y + hit - 4, xmidd + 1, y + hit - 4), draw_color);
ds->DrawLine(Line(xmidd - 2, y + hit - 5, xmidd + 2, y + hit - 5), draw_color);
draw_color = ds->GetCompatibleColor(0);
for (int tt = 0; tt < numonscreen; tt++) {
int inum = tt + topitem;
if (inum >= items)
break;
int thisypos = y + 2 + tt * TEXT_HT;
color_t text_color;
if (inum == selected) {
draw_color = ds->GetCompatibleColor(0);
ds->FillRect(Rect(x, thisypos, x + wid, thisypos + TEXT_HT - 1), draw_color);
text_color = ds->GetCompatibleColor(7);
} else text_color = ds->GetCompatibleColor(0);
wouttextxy(ds, x + 2, thisypos, _G(cbuttfont), text_color, itemnames[inum]);
}
wid = widwas;
}
int MyListBox::pressedon(int mousex, int mousey) {
if (mousex > x + wid - ARROWWIDTH) {
if ((mousey - y < hit / 2) & (topitem > 0))
topitem--;
else if ((mousey - y > hit / 2) &(topitem + numonscreen < items))
topitem++;
} else {
selected = ((mousey - y) - 2) / TEXT_HT + topitem;
if (selected >= items)
selected = items - 1;
}
draw(get_gui_screen());
_G(smcode) = CM_SELCHANGE;
return 0;
}
void MyListBox::additem(char *texx) {
if (items >= MAXLISTITEM)
quit("!CSCIUSER16: Too many items added to listbox");
size_t ln = strlen(texx) + 1;
itemnames[items] = (char *)malloc(ln);
Common::strcpy_s(itemnames[items], ln, texx);
items++;
needredraw = 1;
}
int MyListBox::processmessage(int mcode, int wParam, NumberPtr lParam) {
if (mcode == CLB_ADDITEM) {
additem((char *)lParam.ptr());
} else if (mcode == CLB_CLEAR)
clearlist();
else if (mcode == CLB_GETCURSEL)
return selected;
else if (mcode == CLB_SETCURSEL) {
selected = wParam;
if ((selected < topitem) && (selected >= 0))
topitem = selected;
if (topitem + numonscreen <= selected)
topitem = (selected + 1) - numonscreen;
} else if (mcode == CLB_GETTEXT)
Common::strcpy_s((char *)lParam.ptr(), 260, itemnames[wParam]);
else if (mcode == CLB_SETTEXT) {
if (wParam < items)
free(itemnames[wParam]);
char *newstri = (char *)lParam.ptr();
size_t ln = strlen(newstri) + 2;
itemnames[wParam] = (char *)malloc(ln);
Common::strcpy_s(itemnames[wParam], ln, newstri);
} else if (mcode == CTB_KEYPRESS) {
if ((wParam == eAGSKeyCodeDownArrow) && (selected < items - 1))
selected++;
if ((wParam == eAGSKeyCodeUpArrow) && (selected > 0))
selected--;
if (wParam == eAGSKeyCodePageUp)
selected -= (numonscreen - 1);
if (wParam == eAGSKeyCodePageDown)
selected += (numonscreen - 1);
if ((selected < 0) && (items > 0))
selected = 0;
if (selected >= items)
selected = items - 1;
if ((selected < topitem) & (selected >= 0))
topitem = selected;
if (topitem + numonscreen <= selected)
topitem = (selected + 1) - numonscreen;
drawandmouse();
_G(smcode) = CM_SELCHANGE;
} else
return -1;
return 0;
}
} // namespace AGS3
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