mirror of https://github.com/minetest/minetest.git
681 lines
20 KiB
C++
681 lines
20 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// Modified by Mustapha T.
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#include "guiEditBoxWithScrollbar.h"
|
|
|
|
#include "IGUISkin.h"
|
|
#include "IGUIEnvironment.h"
|
|
#include "IGUIFont.h"
|
|
#include "IVideoDriver.h"
|
|
#include "rect.h"
|
|
#include "porting.h"
|
|
#include "Keycodes.h"
|
|
|
|
/*
|
|
todo:
|
|
optional scrollbars [done]
|
|
ctrl+left/right to select word
|
|
double click/ctrl click: word select + drag to select whole words, triple click to select line
|
|
optional? dragging selected text
|
|
numerical
|
|
*/
|
|
|
|
//! constructor
|
|
GUIEditBoxWithScrollBar::GUIEditBoxWithScrollBar(const wchar_t* text, bool border,
|
|
IGUIEnvironment* environment, IGUIElement* parent, s32 id,
|
|
const core::rect<s32>& rectangle, bool writable, bool has_vscrollbar)
|
|
: GUIEditBox(environment, parent, id, rectangle, border, writable),
|
|
m_background(true), m_bg_color_used(false)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("GUIEditBoxWithScrollBar");
|
|
#endif
|
|
|
|
|
|
Text = text;
|
|
|
|
if (Environment)
|
|
m_operator = Environment->getOSOperator();
|
|
|
|
if (m_operator)
|
|
m_operator->grab();
|
|
|
|
// this element can be tabbed to
|
|
setTabStop(true);
|
|
setTabOrder(-1);
|
|
|
|
if (has_vscrollbar) {
|
|
createVScrollBar();
|
|
}
|
|
|
|
calculateFrameRect();
|
|
breakText();
|
|
|
|
calculateScrollPos();
|
|
setWritable(writable);
|
|
}
|
|
|
|
//! Sets whether to draw the background
|
|
void GUIEditBoxWithScrollBar::setDrawBackground(bool draw)
|
|
{
|
|
m_background = draw;
|
|
}
|
|
|
|
|
|
void GUIEditBoxWithScrollBar::updateAbsolutePosition()
|
|
{
|
|
core::rect<s32> old_absolute_rect(AbsoluteRect);
|
|
IGUIElement::updateAbsolutePosition();
|
|
if (old_absolute_rect != AbsoluteRect) {
|
|
calculateFrameRect();
|
|
breakText();
|
|
calculateScrollPos();
|
|
}
|
|
}
|
|
|
|
|
|
//! draws the element and its children
|
|
void GUIEditBoxWithScrollBar::draw()
|
|
{
|
|
if (!IsVisible)
|
|
return;
|
|
|
|
const bool focus = Environment->hasFocus(this);
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
|
|
video::SColor default_bg_color;
|
|
video::SColor bg_color;
|
|
|
|
default_bg_color = m_writable ? skin->getColor(EGDC_WINDOW) : video::SColor(0);
|
|
bg_color = m_bg_color_used ? m_bg_color : default_bg_color;
|
|
|
|
if (!m_border && m_background) {
|
|
skin->draw2DRectangle(this, bg_color, AbsoluteRect, &AbsoluteClippingRect);
|
|
}
|
|
|
|
// draw the border
|
|
|
|
if (m_border) {
|
|
|
|
if (m_writable) {
|
|
skin->draw3DSunkenPane(this, bg_color, false, m_background,
|
|
AbsoluteRect, &AbsoluteClippingRect);
|
|
}
|
|
|
|
calculateFrameRect();
|
|
}
|
|
|
|
core::rect<s32> local_clip_rect = m_frame_rect;
|
|
local_clip_rect.clipAgainst(AbsoluteClippingRect);
|
|
|
|
// draw the text
|
|
|
|
IGUIFont* font = getActiveFont();
|
|
|
|
s32 cursor_line = 0;
|
|
s32 charcursorpos = 0;
|
|
|
|
if (font) {
|
|
if (m_last_break_font != font) {
|
|
breakText();
|
|
}
|
|
|
|
// calculate cursor pos
|
|
|
|
core::stringw *txt_line = &Text;
|
|
s32 start_pos = 0;
|
|
|
|
core::stringw s, s2;
|
|
|
|
// get mark position
|
|
const bool ml = (!m_passwordbox && (m_word_wrap || m_multiline));
|
|
const s32 realmbgn = m_mark_begin < m_mark_end ? m_mark_begin : m_mark_end;
|
|
const s32 realmend = m_mark_begin < m_mark_end ? m_mark_end : m_mark_begin;
|
|
const s32 hline_start = ml ? getLineFromPos(realmbgn) : 0;
|
|
const s32 hline_count = ml ? getLineFromPos(realmend) - hline_start + 1 : 1;
|
|
const s32 line_count = ml ? m_broken_text.size() : 1;
|
|
|
|
// Save the override color information.
|
|
// Then, alter it if the edit box is disabled.
|
|
const bool prevOver = m_override_color_enabled;
|
|
const video::SColor prevColor = m_override_color;
|
|
|
|
if (Text.size()) {
|
|
if (!isEnabled() && !m_override_color_enabled) {
|
|
m_override_color_enabled = true;
|
|
m_override_color = skin->getColor(EGDC_GRAY_TEXT);
|
|
}
|
|
|
|
for (s32 i = 0; i < line_count; ++i) {
|
|
setTextRect(i);
|
|
|
|
// clipping test - don't draw anything outside the visible area
|
|
core::rect<s32> c = local_clip_rect;
|
|
c.clipAgainst(m_current_text_rect);
|
|
if (!c.isValid())
|
|
continue;
|
|
|
|
// get current line
|
|
if (m_passwordbox) {
|
|
if (m_broken_text.size() != 1) {
|
|
m_broken_text.clear();
|
|
m_broken_text.emplace_back();
|
|
}
|
|
if (m_broken_text[0].size() != Text.size()){
|
|
m_broken_text[0] = Text;
|
|
for (u32 q = 0; q < Text.size(); ++q)
|
|
{
|
|
m_broken_text[0][q] = m_passwordchar;
|
|
}
|
|
}
|
|
txt_line = &m_broken_text[0];
|
|
start_pos = 0;
|
|
} else {
|
|
txt_line = ml ? &m_broken_text[i] : &Text;
|
|
start_pos = ml ? m_broken_text_positions[i] : 0;
|
|
}
|
|
|
|
|
|
// draw normal text
|
|
font->draw(txt_line->c_str(), m_current_text_rect,
|
|
m_override_color_enabled ? m_override_color : skin->getColor(EGDC_BUTTON_TEXT),
|
|
false, true, &local_clip_rect);
|
|
|
|
// draw mark and marked text
|
|
if (focus && m_mark_begin != m_mark_end && i >= hline_start && i < hline_start + hline_count) {
|
|
|
|
s32 mbegin = 0, mend = 0;
|
|
s32 lineStartPos = 0, lineEndPos = txt_line->size();
|
|
|
|
if (i == hline_start) {
|
|
// highlight start is on this line
|
|
s = txt_line->subString(0, realmbgn - start_pos);
|
|
mbegin = font->getDimension(s.c_str()).Width;
|
|
|
|
// deal with kerning
|
|
mbegin += font->getKerningWidth(
|
|
&((*txt_line)[realmbgn - start_pos]),
|
|
realmbgn - start_pos > 0 ? &((*txt_line)[realmbgn - start_pos - 1]) : 0);
|
|
|
|
lineStartPos = realmbgn - start_pos;
|
|
}
|
|
if (i == hline_start + hline_count - 1) {
|
|
// highlight end is on this line
|
|
s2 = txt_line->subString(0, realmend - start_pos);
|
|
mend = font->getDimension(s2.c_str()).Width;
|
|
lineEndPos = (s32)s2.size();
|
|
} else {
|
|
mend = font->getDimension(txt_line->c_str()).Width;
|
|
}
|
|
|
|
|
|
m_current_text_rect.UpperLeftCorner.X += mbegin;
|
|
m_current_text_rect.LowerRightCorner.X = m_current_text_rect.UpperLeftCorner.X + mend - mbegin;
|
|
|
|
|
|
// draw mark
|
|
skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), m_current_text_rect, &local_clip_rect);
|
|
|
|
// draw marked text
|
|
s = txt_line->subString(lineStartPos, lineEndPos - lineStartPos);
|
|
|
|
if (s.size())
|
|
font->draw(s.c_str(), m_current_text_rect,
|
|
m_override_color_enabled ? m_override_color : skin->getColor(EGDC_HIGH_LIGHT_TEXT),
|
|
false, true, &local_clip_rect);
|
|
|
|
}
|
|
}
|
|
|
|
// Return the override color information to its previous settings.
|
|
m_override_color_enabled = prevOver;
|
|
m_override_color = prevColor;
|
|
}
|
|
|
|
// draw cursor
|
|
if (IsEnabled && m_writable) {
|
|
if (m_word_wrap || m_multiline) {
|
|
cursor_line = getLineFromPos(m_cursor_pos);
|
|
txt_line = &m_broken_text[cursor_line];
|
|
start_pos = m_broken_text_positions[cursor_line];
|
|
}
|
|
s = txt_line->subString(0, m_cursor_pos - start_pos);
|
|
charcursorpos = font->getDimension(s.c_str()).Width +
|
|
font->getKerningWidth(L"_", m_cursor_pos - start_pos > 0 ? &((*txt_line)[m_cursor_pos - start_pos - 1]) : 0);
|
|
|
|
if (focus && (porting::getTimeMs() - m_blink_start_time) % 700 < 350) {
|
|
setTextRect(cursor_line);
|
|
m_current_text_rect.UpperLeftCorner.X += charcursorpos;
|
|
|
|
font->draw(L"_", m_current_text_rect,
|
|
m_override_color_enabled ? m_override_color : skin->getColor(EGDC_BUTTON_TEXT),
|
|
false, true, &local_clip_rect);
|
|
}
|
|
}
|
|
}
|
|
|
|
// draw children
|
|
IGUIElement::draw();
|
|
}
|
|
|
|
|
|
s32 GUIEditBoxWithScrollBar::getCursorPos(s32 x, s32 y)
|
|
{
|
|
IGUIFont* font = getActiveFont();
|
|
|
|
const u32 line_count = (m_word_wrap || m_multiline) ? m_broken_text.size() : 1;
|
|
|
|
core::stringw *txt_line = 0;
|
|
s32 start_pos = 0;
|
|
x += 3;
|
|
|
|
for (u32 i = 0; i < line_count; ++i) {
|
|
setTextRect(i);
|
|
if (i == 0 && y < m_current_text_rect.UpperLeftCorner.Y)
|
|
y = m_current_text_rect.UpperLeftCorner.Y;
|
|
if (i == line_count - 1 && y > m_current_text_rect.LowerRightCorner.Y)
|
|
y = m_current_text_rect.LowerRightCorner.Y;
|
|
|
|
// is it inside this region?
|
|
if (y >= m_current_text_rect.UpperLeftCorner.Y && y <= m_current_text_rect.LowerRightCorner.Y) {
|
|
// we've found the clicked line
|
|
txt_line = (m_word_wrap || m_multiline) ? &m_broken_text[i] : &Text;
|
|
start_pos = (m_word_wrap || m_multiline) ? m_broken_text_positions[i] : 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (x < m_current_text_rect.UpperLeftCorner.X)
|
|
x = m_current_text_rect.UpperLeftCorner.X;
|
|
|
|
if (!txt_line)
|
|
return 0;
|
|
|
|
s32 idx = font->getCharacterFromPos(txt_line->c_str(), x - m_current_text_rect.UpperLeftCorner.X);
|
|
|
|
// click was on or left of the line
|
|
if (idx != -1)
|
|
return idx + start_pos;
|
|
|
|
// click was off the right edge of the line, go to end.
|
|
return txt_line->size() + start_pos;
|
|
}
|
|
|
|
|
|
//! Breaks the single text line.
|
|
void GUIEditBoxWithScrollBar::breakText()
|
|
{
|
|
if ((!m_word_wrap && !m_multiline))
|
|
return;
|
|
|
|
m_broken_text.clear(); // need to reallocate :/
|
|
m_broken_text_positions.clear();
|
|
|
|
IGUIFont* font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
m_last_break_font = font;
|
|
|
|
core::stringw line;
|
|
core::stringw word;
|
|
core::stringw whitespace;
|
|
s32 last_line_start = 0;
|
|
s32 size = Text.size();
|
|
s32 length = 0;
|
|
s32 el_width = RelativeRect.getWidth() - m_scrollbar_width - 10;
|
|
wchar_t c;
|
|
|
|
for (s32 i = 0; i < size; ++i) {
|
|
c = Text[i];
|
|
bool line_break = false;
|
|
|
|
if (c == L'\r') { // Mac or Windows breaks
|
|
|
|
line_break = true;
|
|
c = 0;
|
|
if (Text[i + 1] == L'\n') { // Windows breaks
|
|
// TODO: I (Michael) think that we shouldn't change the text given by the user for whatever reason.
|
|
// Instead rework the cursor positioning to be able to handle this (but not in stable release
|
|
// branch as users might already expect this behavior).
|
|
Text.erase(i + 1);
|
|
--size;
|
|
if (m_cursor_pos > i)
|
|
--m_cursor_pos;
|
|
}
|
|
} else if (c == L'\n') { // Unix breaks
|
|
line_break = true;
|
|
c = 0;
|
|
}
|
|
|
|
// don't break if we're not a multi-line edit box
|
|
if (!m_multiline)
|
|
line_break = false;
|
|
|
|
if (c == L' ' || c == 0 || i == (size - 1)) {
|
|
// here comes the next whitespace, look if
|
|
// we can break the last word to the next line
|
|
// We also break whitespace, otherwise cursor would vanish beside the right border.
|
|
s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
|
|
s32 worldlgth = font->getDimension(word.c_str()).Width;
|
|
|
|
if (m_word_wrap && length + worldlgth + whitelgth > el_width && line.size() > 0) {
|
|
// break to next line
|
|
length = worldlgth;
|
|
m_broken_text.push_back(line);
|
|
m_broken_text_positions.push_back(last_line_start);
|
|
last_line_start = i - (s32)word.size();
|
|
line = word;
|
|
} else {
|
|
// add word to line
|
|
line += whitespace;
|
|
line += word;
|
|
length += whitelgth + worldlgth;
|
|
}
|
|
|
|
word = L"";
|
|
whitespace = L"";
|
|
|
|
|
|
if (c)
|
|
whitespace += c;
|
|
|
|
// compute line break
|
|
if (line_break) {
|
|
line += whitespace;
|
|
line += word;
|
|
m_broken_text.push_back(line);
|
|
m_broken_text_positions.push_back(last_line_start);
|
|
last_line_start = i + 1;
|
|
line = L"";
|
|
word = L"";
|
|
whitespace = L"";
|
|
length = 0;
|
|
}
|
|
} else {
|
|
// yippee this is a word..
|
|
word += c;
|
|
}
|
|
}
|
|
|
|
line += whitespace;
|
|
line += word;
|
|
m_broken_text.push_back(line);
|
|
m_broken_text_positions.push_back(last_line_start);
|
|
}
|
|
|
|
// TODO: that function does interpret VAlign according to line-index (indexed
|
|
// line is placed on top-center-bottom) but HAlign according to line-width
|
|
// (pixels) and not by row.
|
|
// Intuitively I suppose HAlign handling is better as VScrollPos should handle
|
|
// the line-scrolling.
|
|
// But please no one change this without also rewriting (and this time
|
|
// testing!!!) autoscrolling (I noticed this when fixing the old autoscrolling).
|
|
void GUIEditBoxWithScrollBar::setTextRect(s32 line)
|
|
{
|
|
if (line < 0)
|
|
return;
|
|
|
|
IGUIFont* font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
core::dimension2du d;
|
|
|
|
// get text dimension
|
|
const u32 line_count = (m_word_wrap || m_multiline) ? m_broken_text.size() : 1;
|
|
if (m_word_wrap || m_multiline) {
|
|
d = font->getDimension(m_broken_text[line].c_str());
|
|
} else {
|
|
d = font->getDimension(Text.c_str());
|
|
d.Height = AbsoluteRect.getHeight();
|
|
}
|
|
d.Height += font->getKerningHeight();
|
|
|
|
// justification
|
|
switch (m_halign) {
|
|
case EGUIA_CENTER:
|
|
// align to h centre
|
|
m_current_text_rect.UpperLeftCorner.X = (m_frame_rect.getWidth() / 2) - (d.Width / 2);
|
|
m_current_text_rect.LowerRightCorner.X = (m_frame_rect.getWidth() / 2) + (d.Width / 2);
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
// align to right edge
|
|
m_current_text_rect.UpperLeftCorner.X = m_frame_rect.getWidth() - d.Width;
|
|
m_current_text_rect.LowerRightCorner.X = m_frame_rect.getWidth();
|
|
break;
|
|
default:
|
|
// align to left edge
|
|
m_current_text_rect.UpperLeftCorner.X = 0;
|
|
m_current_text_rect.LowerRightCorner.X = d.Width;
|
|
|
|
}
|
|
|
|
switch (m_valign) {
|
|
case EGUIA_CENTER:
|
|
// align to v centre
|
|
m_current_text_rect.UpperLeftCorner.Y =
|
|
(m_frame_rect.getHeight() / 2) - (line_count*d.Height) / 2 + d.Height*line;
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
// align to bottom edge
|
|
m_current_text_rect.UpperLeftCorner.Y =
|
|
m_frame_rect.getHeight() - line_count*d.Height + d.Height*line;
|
|
break;
|
|
default:
|
|
// align to top edge
|
|
m_current_text_rect.UpperLeftCorner.Y = d.Height*line;
|
|
break;
|
|
}
|
|
|
|
m_current_text_rect.UpperLeftCorner.X -= m_hscroll_pos;
|
|
m_current_text_rect.LowerRightCorner.X -= m_hscroll_pos;
|
|
m_current_text_rect.UpperLeftCorner.Y -= m_vscroll_pos;
|
|
m_current_text_rect.LowerRightCorner.Y = m_current_text_rect.UpperLeftCorner.Y + d.Height;
|
|
|
|
m_current_text_rect += m_frame_rect.UpperLeftCorner;
|
|
}
|
|
|
|
// calculate autoscroll
|
|
void GUIEditBoxWithScrollBar::calculateScrollPos()
|
|
{
|
|
if (!m_autoscroll)
|
|
return;
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
IGUIFont* font = m_override_font ? m_override_font : skin->getFont();
|
|
if (!font)
|
|
return;
|
|
|
|
s32 curs_line = getLineFromPos(m_cursor_pos);
|
|
if (curs_line < 0)
|
|
return;
|
|
setTextRect(curs_line);
|
|
const bool has_broken_text = m_multiline || m_word_wrap;
|
|
|
|
// Check horizonal scrolling
|
|
// NOTE: Calculations different to vertical scrolling because setTextRect interprets VAlign relative to line but HAlign not relative to row
|
|
{
|
|
// get cursor position
|
|
IGUIFont* font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
// get cursor area
|
|
irr::u32 cursor_width = font->getDimension(L"_").Width;
|
|
core::stringw *txt_line = has_broken_text ? &m_broken_text[curs_line] : &Text;
|
|
s32 cpos = has_broken_text ? m_cursor_pos - m_broken_text_positions[curs_line] : m_cursor_pos; // column
|
|
s32 cstart = font->getDimension(txt_line->subString(0, cpos).c_str()).Width; // pixels from text-start
|
|
s32 cend = cstart + cursor_width;
|
|
s32 txt_width = font->getDimension(txt_line->c_str()).Width;
|
|
|
|
if (txt_width < m_frame_rect.getWidth()) {
|
|
// TODO: Needs a clean left and right gap removal depending on HAlign, similar to vertical scrolling tests for top/bottom.
|
|
// This check just fixes the case where it was most noticable (text smaller than clipping area).
|
|
|
|
m_hscroll_pos = 0;
|
|
setTextRect(curs_line);
|
|
}
|
|
|
|
if (m_current_text_rect.UpperLeftCorner.X + cstart < m_frame_rect.UpperLeftCorner.X) {
|
|
// cursor to the left of the clipping area
|
|
m_hscroll_pos -= m_frame_rect.UpperLeftCorner.X - (m_current_text_rect.UpperLeftCorner.X + cstart);
|
|
setTextRect(curs_line);
|
|
|
|
// TODO: should show more characters to the left when we're scrolling left
|
|
// and the cursor reaches the border.
|
|
} else if (m_current_text_rect.UpperLeftCorner.X + cend > m_frame_rect.LowerRightCorner.X) {
|
|
// cursor to the right of the clipping area
|
|
m_hscroll_pos += (m_current_text_rect.UpperLeftCorner.X + cend) - m_frame_rect.LowerRightCorner.X;
|
|
setTextRect(curs_line);
|
|
}
|
|
}
|
|
|
|
// calculate vertical scrolling
|
|
if (has_broken_text) {
|
|
irr::u32 line_height = font->getDimension(L"A").Height + font->getKerningHeight();
|
|
// only up to 1 line fits?
|
|
if (line_height >= (irr::u32)m_frame_rect.getHeight()) {
|
|
m_vscroll_pos = 0;
|
|
setTextRect(curs_line);
|
|
s32 unscrolledPos = m_current_text_rect.UpperLeftCorner.Y;
|
|
s32 pivot = m_frame_rect.UpperLeftCorner.Y;
|
|
switch (m_valign) {
|
|
case EGUIA_CENTER:
|
|
pivot += m_frame_rect.getHeight() / 2;
|
|
unscrolledPos += line_height / 2;
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
pivot += m_frame_rect.getHeight();
|
|
unscrolledPos += line_height;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
m_vscroll_pos = unscrolledPos - pivot;
|
|
setTextRect(curs_line);
|
|
} else {
|
|
// First 2 checks are necessary when people delete lines
|
|
setTextRect(0);
|
|
if (m_current_text_rect.UpperLeftCorner.Y > m_frame_rect.UpperLeftCorner.Y && m_valign != EGUIA_LOWERRIGHT) {
|
|
// first line is leaving a gap on top
|
|
m_vscroll_pos = 0;
|
|
} else if (m_valign != EGUIA_UPPERLEFT) {
|
|
u32 lastLine = m_broken_text_positions.empty() ? 0 : m_broken_text_positions.size() - 1;
|
|
setTextRect(lastLine);
|
|
if (m_current_text_rect.LowerRightCorner.Y < m_frame_rect.LowerRightCorner.Y)
|
|
{
|
|
// last line is leaving a gap on bottom
|
|
m_vscroll_pos -= m_frame_rect.LowerRightCorner.Y - m_current_text_rect.LowerRightCorner.Y;
|
|
}
|
|
}
|
|
|
|
setTextRect(curs_line);
|
|
if (m_current_text_rect.UpperLeftCorner.Y < m_frame_rect.UpperLeftCorner.Y) {
|
|
// text above valid area
|
|
m_vscroll_pos -= m_frame_rect.UpperLeftCorner.Y - m_current_text_rect.UpperLeftCorner.Y;
|
|
setTextRect(curs_line);
|
|
} else if (m_current_text_rect.LowerRightCorner.Y > m_frame_rect.LowerRightCorner.Y){
|
|
// text below valid area
|
|
m_vscroll_pos += m_current_text_rect.LowerRightCorner.Y - m_frame_rect.LowerRightCorner.Y;
|
|
setTextRect(curs_line);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (m_vscrollbar) {
|
|
m_vscrollbar->setPos(m_vscroll_pos);
|
|
}
|
|
}
|
|
|
|
void GUIEditBoxWithScrollBar::calculateFrameRect()
|
|
{
|
|
m_frame_rect = AbsoluteRect;
|
|
|
|
|
|
IGUISkin *skin = 0;
|
|
if (Environment)
|
|
skin = Environment->getSkin();
|
|
if (m_border && skin) {
|
|
m_frame_rect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X) + 1;
|
|
m_frame_rect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y) + 1;
|
|
m_frame_rect.LowerRightCorner.X -= skin->getSize(EGDS_TEXT_DISTANCE_X) + 1;
|
|
m_frame_rect.LowerRightCorner.Y -= skin->getSize(EGDS_TEXT_DISTANCE_Y) + 1;
|
|
}
|
|
|
|
updateVScrollBar();
|
|
}
|
|
|
|
//! create a vertical scroll bar
|
|
void GUIEditBoxWithScrollBar::createVScrollBar()
|
|
{
|
|
IGUISkin *skin = 0;
|
|
if (Environment)
|
|
skin = Environment->getSkin();
|
|
|
|
s32 fontHeight = 1;
|
|
|
|
if (m_override_font) {
|
|
fontHeight = m_override_font->getDimension(L"Ay").Height;
|
|
} else {
|
|
IGUIFont *font;
|
|
if (skin && (font = skin->getFont())) {
|
|
fontHeight = font->getDimension(L"Ay").Height;
|
|
}
|
|
}
|
|
|
|
m_scrollbar_width = skin ? skin->getSize(gui::EGDS_SCROLLBAR_SIZE) : 16;
|
|
|
|
irr::core::rect<s32> scrollbarrect = m_frame_rect;
|
|
scrollbarrect.UpperLeftCorner.X += m_frame_rect.getWidth() - m_scrollbar_width;
|
|
m_vscrollbar = new GUIScrollBar(Environment, getParent(), -1,
|
|
scrollbarrect, false, true);
|
|
|
|
m_vscrollbar->setVisible(false);
|
|
m_vscrollbar->setSmallStep(3 * fontHeight);
|
|
m_vscrollbar->setLargeStep(10 * fontHeight);
|
|
}
|
|
|
|
|
|
|
|
//! Change the background color
|
|
void GUIEditBoxWithScrollBar::setBackgroundColor(const video::SColor &bg_color)
|
|
{
|
|
m_bg_color = bg_color;
|
|
m_bg_color_used = true;
|
|
}
|
|
|
|
//! Writes attributes of the element.
|
|
void GUIEditBoxWithScrollBar::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options = 0) const
|
|
{
|
|
out->addBool("Border", m_border);
|
|
out->addBool("Background", m_background);
|
|
// out->addFont("OverrideFont", OverrideFont);
|
|
|
|
GUIEditBox::serializeAttributes(out, options);
|
|
}
|
|
|
|
|
|
//! Reads attributes of the element
|
|
void GUIEditBoxWithScrollBar::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options = 0)
|
|
{
|
|
GUIEditBox::deserializeAttributes(in, options);
|
|
|
|
setDrawBorder(in->getAttributeAsBool("Border"));
|
|
setDrawBackground(in->getAttributeAsBool("Background"));
|
|
}
|
|
|
|
bool GUIEditBoxWithScrollBar::isDrawBackgroundEnabled() const { return false; }
|
|
bool GUIEditBoxWithScrollBar::isDrawBorderEnabled() const { return false; }
|
|
void GUIEditBoxWithScrollBar::setCursorChar(const wchar_t cursorChar) { }
|
|
wchar_t GUIEditBoxWithScrollBar::getCursorChar() const { return '|'; }
|
|
void GUIEditBoxWithScrollBar::setCursorBlinkTime(irr::u32 timeMs) { }
|
|
irr::u32 GUIEditBoxWithScrollBar::getCursorBlinkTime() const { return 500; }
|