--- /dev/null
+// 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)
+ : IGUIEditBox(environment, parent, id, rectangle), m_mouse_marking(false),
+ m_border(border), m_background(true), m_override_color_enabled(false), m_mark_begin(0), m_mark_end(0),
+ m_override_color(video::SColor(101, 255, 255, 255)), m_override_font(0), m_last_break_font(0),
+ m_operator(0), m_blink_start_time(0), m_cursor_pos(0), m_hscroll_pos(0), m_vscroll_pos(0), m_max(0),
+ m_word_wrap(false), m_multiline(false), m_autoscroll(true), m_passwordbox(false),
+ m_passwordchar(L'*'), m_halign(EGUIA_UPPERLEFT), m_valign(EGUIA_CENTER),
+ m_current_text_rect(0, 0, 1, 1), m_frame_rect(rectangle),
+ m_scrollbar_width(0), m_vscrollbar(NULL), m_writable(writable),
+ 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);
+}
+
+
+//! destructor
+GUIEditBoxWithScrollBar::~GUIEditBoxWithScrollBar()
+{
+ if (m_override_font)
+ m_override_font->drop();
+
+ if (m_operator)
+ m_operator->drop();
+
+ m_vscrollbar->remove();
+}
+
+
+//! Sets another skin independent font.
+void GUIEditBoxWithScrollBar::setOverrideFont(IGUIFont* font)
+{
+ if (m_override_font == font)
+ return;
+
+ if (m_override_font)
+ m_override_font->drop();
+
+ m_override_font = font;
+
+ if (m_override_font)
+ m_override_font->grab();
+
+ breakText();
+}
+
+//! Gets the override font (if any)
+IGUIFont * GUIEditBoxWithScrollBar::getOverrideFont() const
+{
+ return m_override_font;
+}
+
+//! Get the font which is used right now for drawing
+IGUIFont* GUIEditBoxWithScrollBar::getActiveFont() const
+{
+ if (m_override_font)
+ return m_override_font;
+ IGUISkin* skin = Environment->getSkin();
+ if (skin)
+ return skin->getFont();
+ return 0;
+}
+
+//! Sets another color for the text.
+void GUIEditBoxWithScrollBar::setOverrideColor(video::SColor color)
+{
+ m_override_color = color;
+ m_override_color_enabled = true;
+}
+
+
+video::SColor GUIEditBoxWithScrollBar::getOverrideColor() const
+{
+ return m_override_color;
+}
+
+
+//! Turns the border on or off
+void GUIEditBoxWithScrollBar::setDrawBorder(bool border)
+{
+ border = border;
+}
+
+//! Sets whether to draw the background
+void GUIEditBoxWithScrollBar::setDrawBackground(bool draw)
+{
+ m_background = draw;
+}
+
+//! Sets if the text should use the overide color or the color in the gui skin.
+void GUIEditBoxWithScrollBar::enableOverrideColor(bool enable)
+{
+ m_override_color_enabled = enable;
+}
+
+bool GUIEditBoxWithScrollBar::isOverrideColorEnabled() const
+{
+ _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
+ return m_override_color_enabled;
+}
+
+//! Enables or disables word wrap
+void GUIEditBoxWithScrollBar::setWordWrap(bool enable)
+{
+ m_word_wrap = enable;
+ breakText();
+}
+
+
+void GUIEditBoxWithScrollBar::updateAbsolutePosition()
+{
+ core::rect<s32> old_absolute_rect(AbsoluteRect);
+ IGUIElement::updateAbsolutePosition();
+ if (old_absolute_rect != AbsoluteRect) {
+ calculateFrameRect();
+ breakText();
+ calculateScrollPos();
+ }
+}
+
+//! Checks if word wrap is enabled
+bool GUIEditBoxWithScrollBar::isWordWrapEnabled() const
+{
+ _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
+ return m_word_wrap;
+}
+
+
+//! Enables or disables newlines.
+void GUIEditBoxWithScrollBar::setMultiLine(bool enable)
+{
+ m_multiline = enable;
+}
+
+
+//! Checks if multi line editing is enabled
+bool GUIEditBoxWithScrollBar::isMultiLineEnabled() const
+{
+ _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
+ return m_multiline;
+}
+
+
+void GUIEditBoxWithScrollBar::setPasswordBox(bool password_box, wchar_t password_char)
+{
+ m_passwordbox = password_box;
+ if (m_passwordbox) {
+ m_passwordchar = password_char;
+ setMultiLine(false);
+ setWordWrap(false);
+ m_broken_text.clear();
+ }
+}
+
+
+bool GUIEditBoxWithScrollBar::isPasswordBox() const
+{
+ _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
+ return m_passwordbox;
+}
+
+
+//! Sets text justification
+void GUIEditBoxWithScrollBar::setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical)
+{
+ m_halign = horizontal;
+ m_valign = vertical;
+}
+
+
+//! called if an event happened.
+bool GUIEditBoxWithScrollBar::OnEvent(const SEvent& event)
+{
+ if (isEnabled()) {
+ switch (event.EventType)
+ {
+ case EET_GUI_EVENT:
+ if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST) {
+ if (event.GUIEvent.Caller == this) {
+ m_mouse_marking = false;
+ setTextMarkers(0, 0);
+ }
+ }
+ break;
+ case EET_KEY_INPUT_EVENT:
+ if (processKey(event))
+ return true;
+ break;
+ case EET_MOUSE_INPUT_EVENT:
+ if (processMouse(event))
+ return true;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return IGUIElement::OnEvent(event);
+}
+
+
+bool GUIEditBoxWithScrollBar::processKey(const SEvent& event)
+{
+ if (!m_writable) {
+ return false;
+ }
+
+ if (!event.KeyInput.PressedDown)
+ return false;
+
+ bool text_changed = false;
+ s32 new_mark_begin = m_mark_begin;
+ s32 new_mark_end = m_mark_end;
+
+ // control shortcut handling
+
+ if (event.KeyInput.Control) {
+
+ // german backlash '\' entered with control + '?'
+ if (event.KeyInput.Char == '\\') {
+ inputChar(event.KeyInput.Char);
+ return true;
+ }
+
+ switch (event.KeyInput.Key) {
+ case KEY_KEY_A:
+ // select all
+ new_mark_begin = 0;
+ new_mark_end = Text.size();
+ break;
+ case KEY_KEY_C:
+ // copy to clipboard
+ if (!m_passwordbox && m_operator && m_mark_begin != m_mark_end)
+ {
+ 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;
+
+ core::stringc s;
+ s = Text.subString(realmbgn, realmend - realmbgn).c_str();
+ m_operator->copyToClipboard(s.c_str());
+ }
+ break;
+ case KEY_KEY_X:
+ // cut to the clipboard
+ if (!m_passwordbox && m_operator && m_mark_begin != m_mark_end) {
+ 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;
+
+ // copy
+ core::stringc sc;
+ sc = Text.subString(realmbgn, realmend - realmbgn).c_str();
+ m_operator->copyToClipboard(sc.c_str());
+
+ if (isEnabled())
+ {
+ // delete
+ core::stringw s;
+ s = Text.subString(0, realmbgn);
+ s.append(Text.subString(realmend, Text.size() - realmend));
+ Text = s;
+
+ m_cursor_pos = realmbgn;
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ text_changed = true;
+ }
+ }
+ break;
+ case KEY_KEY_V:
+ if (!isEnabled())
+ break;
+
+ // paste from the clipboard
+ if (m_operator) {
+ 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;
+
+ // add new character
+ const c8* p = m_operator->getTextFromClipboard();
+ if (p) {
+ if (m_mark_begin == m_mark_end) {
+ // insert text
+ core::stringw s = Text.subString(0, m_cursor_pos);
+ s.append(p);
+ s.append(Text.subString(m_cursor_pos, Text.size() - m_cursor_pos));
+
+ if (!m_max || s.size() <= m_max) // thx to Fish FH for fix
+ {
+ Text = s;
+ s = p;
+ m_cursor_pos += s.size();
+ }
+ } else {
+ // replace text
+
+ core::stringw s = Text.subString(0, realmbgn);
+ s.append(p);
+ s.append(Text.subString(realmend, Text.size() - realmend));
+
+ if (!m_max || s.size() <= m_max) // thx to Fish FH for fix
+ {
+ Text = s;
+ s = p;
+ m_cursor_pos = realmbgn + s.size();
+ }
+ }
+ }
+
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ text_changed = true;
+ }
+ break;
+ case KEY_HOME:
+ // move/highlight to start of text
+ if (event.KeyInput.Shift) {
+ new_mark_end = m_cursor_pos;
+ new_mark_begin = 0;
+ m_cursor_pos = 0;
+ } else {
+ m_cursor_pos = 0;
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+ break;
+ case KEY_END:
+ // move/highlight to end of text
+ if (event.KeyInput.Shift) {
+ new_mark_begin = m_cursor_pos;
+ new_mark_end = Text.size();
+ m_cursor_pos = 0;
+ } else {
+ m_cursor_pos = Text.size();
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+ break;
+ default:
+ return false;
+ }
+ }
+ // default keyboard handling
+ else
+ switch (event.KeyInput.Key) {
+ case KEY_END:
+ {
+ s32 p = Text.size();
+ if (m_word_wrap || m_multiline) {
+ p = getLineFromPos(m_cursor_pos);
+ p = m_broken_text_positions[p] + (s32)m_broken_text[p].size();
+ if (p > 0 && (Text[p - 1] == L'\r' || Text[p - 1] == L'\n'))
+ p -= 1;
+ }
+
+ if (event.KeyInput.Shift) {
+ if (m_mark_begin == m_mark_end)
+ new_mark_begin = m_cursor_pos;
+
+ new_mark_end = p;
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+ m_cursor_pos = p;
+ m_blink_start_time = porting::getTimeMs();
+ }
+ break;
+ case KEY_HOME:
+ {
+
+ s32 p = 0;
+ if (m_word_wrap || m_multiline) {
+ p = getLineFromPos(m_cursor_pos);
+ p = m_broken_text_positions[p];
+ }
+
+ if (event.KeyInput.Shift) {
+ if (m_mark_begin == m_mark_end)
+ new_mark_begin = m_cursor_pos;
+ new_mark_end = p;
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+ m_cursor_pos = p;
+ m_blink_start_time = porting::getTimeMs();
+ }
+ break;
+ case KEY_RETURN:
+ if (m_multiline) {
+ inputChar(L'\n');
+ } else {
+ calculateScrollPos();
+ sendGuiEvent(EGET_EDITBOX_ENTER);
+ }
+ return true;
+ case KEY_LEFT:
+
+ if (event.KeyInput.Shift) {
+ if (m_cursor_pos > 0) {
+ if (m_mark_begin == m_mark_end)
+ new_mark_begin = m_cursor_pos;
+
+ new_mark_end = m_cursor_pos - 1;
+ }
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+
+ if (m_cursor_pos > 0)
+ m_cursor_pos--;
+ m_blink_start_time = porting::getTimeMs();
+ break;
+
+ case KEY_RIGHT:
+ if (event.KeyInput.Shift) {
+ if (Text.size() > (u32)m_cursor_pos) {
+ if (m_mark_begin == m_mark_end)
+ new_mark_begin = m_cursor_pos;
+
+ new_mark_end = m_cursor_pos + 1;
+ }
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+
+ if (Text.size() > (u32)m_cursor_pos)
+ m_cursor_pos++;
+ m_blink_start_time = porting::getTimeMs();
+ break;
+ case KEY_UP:
+ if (m_multiline || (m_word_wrap && m_broken_text.size() > 1)) {
+ s32 lineNo = getLineFromPos(m_cursor_pos);
+ s32 mb = (m_mark_begin == m_mark_end) ? m_cursor_pos : (m_mark_begin > m_mark_end ? m_mark_begin : m_mark_end);
+ if (lineNo > 0) {
+ s32 cp = m_cursor_pos - m_broken_text_positions[lineNo];
+ if ((s32)m_broken_text[lineNo - 1].size() < cp)
+ m_cursor_pos = m_broken_text_positions[lineNo - 1] + core::max_((u32)1, m_broken_text[lineNo - 1].size()) - 1;
+ else
+ m_cursor_pos = m_broken_text_positions[lineNo - 1] + cp;
+ }
+
+ if (event.KeyInput.Shift) {
+ new_mark_begin = mb;
+ new_mark_end = m_cursor_pos;
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+ } else {
+ return false;
+ }
+ break;
+ case KEY_DOWN:
+ if (m_multiline || (m_word_wrap && m_broken_text.size() > 1)) {
+ s32 lineNo = getLineFromPos(m_cursor_pos);
+ s32 mb = (m_mark_begin == m_mark_end) ? m_cursor_pos : (m_mark_begin < m_mark_end ? m_mark_begin : m_mark_end);
+ if (lineNo < (s32)m_broken_text.size() - 1)
+ {
+ s32 cp = m_cursor_pos - m_broken_text_positions[lineNo];
+ if ((s32)m_broken_text[lineNo + 1].size() < cp)
+ m_cursor_pos = m_broken_text_positions[lineNo + 1] + core::max_((u32)1, m_broken_text[lineNo + 1].size()) - 1;
+ else
+ m_cursor_pos = m_broken_text_positions[lineNo + 1] + cp;
+ }
+
+ if (event.KeyInput.Shift) {
+ new_mark_begin = mb;
+ new_mark_end = m_cursor_pos;
+ } else {
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ }
+
+ } else {
+ return false;
+ }
+ break;
+
+ case KEY_BACK:
+ if (!isEnabled())
+ break;
+
+ if (Text.size()) {
+ core::stringw s;
+
+ if (m_mark_begin != m_mark_end) {
+ // delete marked text
+ 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;
+
+ s = Text.subString(0, realmbgn);
+ s.append(Text.subString(realmend, Text.size() - realmend));
+ Text = s;
+
+ m_cursor_pos = realmbgn;
+ } else {
+ // delete text behind cursor
+ if (m_cursor_pos > 0)
+ s = Text.subString(0, m_cursor_pos - 1);
+ else
+ s = L"";
+ s.append(Text.subString(m_cursor_pos, Text.size() - m_cursor_pos));
+ Text = s;
+ --m_cursor_pos;
+ }
+
+ if (m_cursor_pos < 0)
+ m_cursor_pos = 0;
+ m_blink_start_time = porting::getTimeMs(); // os::Timer::getTime();
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ text_changed = true;
+ }
+ break;
+ case KEY_DELETE:
+ if (!isEnabled())
+ break;
+
+ if (Text.size() != 0) {
+ core::stringw s;
+
+ if (m_mark_begin != m_mark_end) {
+ // delete marked text
+ 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;
+
+ s = Text.subString(0, realmbgn);
+ s.append(Text.subString(realmend, Text.size() - realmend));
+ Text = s;
+
+ m_cursor_pos = realmbgn;
+ } else {
+ // delete text before cursor
+ s = Text.subString(0, m_cursor_pos);
+ s.append(Text.subString(m_cursor_pos + 1, Text.size() - m_cursor_pos - 1));
+ Text = s;
+ }
+
+ if (m_cursor_pos > (s32)Text.size())
+ m_cursor_pos = (s32)Text.size();
+
+ m_blink_start_time = porting::getTimeMs(); // os::Timer::getTime();
+ new_mark_begin = 0;
+ new_mark_end = 0;
+ text_changed = true;
+ }
+ break;
+
+ case KEY_ESCAPE:
+ case KEY_TAB:
+ case KEY_SHIFT:
+ case KEY_F1:
+ case KEY_F2:
+ case KEY_F3:
+ case KEY_F4:
+ case KEY_F5:
+ case KEY_F6:
+ case KEY_F7:
+ case KEY_F8:
+ case KEY_F9:
+ case KEY_F10:
+ case KEY_F11:
+ case KEY_F12:
+ case KEY_F13:
+ case KEY_F14:
+ case KEY_F15:
+ case KEY_F16:
+ case KEY_F17:
+ case KEY_F18:
+ case KEY_F19:
+ case KEY_F20:
+ case KEY_F21:
+ case KEY_F22:
+ case KEY_F23:
+ case KEY_F24:
+ // ignore these keys
+ return false;
+
+ default:
+ inputChar(event.KeyInput.Char);
+ return true;
+ }
+
+ // Set new text markers
+ setTextMarkers(new_mark_begin, new_mark_end);
+
+ // break the text if it has changed
+ if (text_changed) {
+ breakText();
+ calculateScrollPos();
+ sendGuiEvent(EGET_EDITBOX_CHANGED);
+ }
+ else
+ {
+ calculateScrollPos();
+ }
+
+ return true;
+}
+
+
+//! 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.push_back(core::stringw());
+ }
+ 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();
+}
+
+
+//! Sets the new caption of this element.
+void GUIEditBoxWithScrollBar::setText(const wchar_t* text)
+{
+ Text = text;
+ if (u32(m_cursor_pos) > Text.size())
+ m_cursor_pos = Text.size();
+ m_hscroll_pos = 0;
+ breakText();
+}
+
+
+//! Enables or disables automatic scrolling with cursor position
+//! \param enable: If set to true, the text will move around with the cursor position
+void GUIEditBoxWithScrollBar::setAutoScroll(bool enable)
+{
+ m_autoscroll = enable;
+}
+
+
+//! Checks to see if automatic scrolling is enabled
+//! \return true if automatic scrolling is enabled, false if not
+bool GUIEditBoxWithScrollBar::isAutoScrollEnabled() const
+{
+ _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
+ return m_autoscroll;
+}
+
+
+//! Gets the area of the text in the edit box
+//! \return Returns the size in pixels of the text
+core::dimension2du GUIEditBoxWithScrollBar::getTextDimension()
+{
+ core::rect<s32> ret;
+
+ setTextRect(0);
+ ret = m_current_text_rect;
+
+ for (u32 i = 1; i < m_broken_text.size(); ++i) {
+ setTextRect(i);
+ ret.addInternalPoint(m_current_text_rect.UpperLeftCorner);
+ ret.addInternalPoint(m_current_text_rect.LowerRightCorner);
+ }
+
+ return core::dimension2du(ret.getSize());
+}
+
+
+//! Sets the maximum amount of characters which may be entered in the box.
+//! \param max: Maximum amount of characters. If 0, the character amount is
+//! infinity.
+void GUIEditBoxWithScrollBar::setMax(u32 max)
+{
+ m_max = max;
+
+ if (Text.size() > m_max && m_max != 0)
+ Text = Text.subString(0, m_max);
+}
+
+
+//! Returns maximum amount of characters, previously set by setMax();
+u32 GUIEditBoxWithScrollBar::getMax() const
+{
+ return m_max;
+}
+
+
+bool GUIEditBoxWithScrollBar::processMouse(const SEvent& event)
+{
+ switch (event.MouseInput.Event)
+ {
+ case irr::EMIE_LMOUSE_LEFT_UP:
+ if (Environment->hasFocus(this)) {
+ m_cursor_pos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
+ if (m_mouse_marking) {
+ setTextMarkers(m_mark_begin, m_cursor_pos);
+ }
+ m_mouse_marking = false;
+ calculateScrollPos();
+ return true;
+ }
+ break;
+ case irr::EMIE_MOUSE_MOVED:
+ {
+ if (m_mouse_marking) {
+ m_cursor_pos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
+ setTextMarkers(m_mark_begin, m_cursor_pos);
+ calculateScrollPos();
+ return true;
+ }
+ }
+ break;
+ case EMIE_LMOUSE_PRESSED_DOWN:
+
+ if (!Environment->hasFocus(this)) {
+ m_blink_start_time = porting::getTimeMs();
+ m_mouse_marking = true;
+ m_cursor_pos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
+ setTextMarkers(m_cursor_pos, m_cursor_pos);
+ calculateScrollPos();
+ return true;
+ } else {
+ if (!AbsoluteClippingRect.isPointInside(
+ core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y))) {
+ return false;
+ } else {
+ // move cursor
+ m_cursor_pos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
+
+ s32 newMarkBegin = m_mark_begin;
+ if (!m_mouse_marking)
+ newMarkBegin = m_cursor_pos;
+
+ m_mouse_marking = true;
+ setTextMarkers(newMarkBegin, m_cursor_pos);
+ calculateScrollPos();
+ return true;
+ }
+ }
+ default:
+ break;
+ }
+
+ return false;
+}
+
+
+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() - 6;
+ 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 fucking 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;
+}
+
+
+s32 GUIEditBoxWithScrollBar::getLineFromPos(s32 pos)
+{
+ if (!m_word_wrap && !m_multiline)
+ return 0;
+
+ s32 i = 0;
+ while (i < (s32)m_broken_text_positions.size()) {
+ if (m_broken_text_positions[i] > pos)
+ return i - 1;
+ ++i;
+ }
+ return (s32)m_broken_text_positions.size() - 1;
+}
+
+
+void GUIEditBoxWithScrollBar::inputChar(wchar_t c)
+{
+ if (!isEnabled())
+ return;
+
+ if (c != 0) {
+ if (Text.size() < m_max || m_max == 0) {
+ core::stringw s;
+
+ if (m_mark_begin != m_mark_end) {
+ // replace marked text
+ 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;
+
+ s = Text.subString(0, realmbgn);
+ s.append(c);
+ s.append(Text.subString(realmend, Text.size() - realmend));
+ Text = s;
+ m_cursor_pos = realmbgn + 1;
+ } else {
+ // add new character
+ s = Text.subString(0, m_cursor_pos);
+ s.append(c);
+ s.append(Text.subString(m_cursor_pos, Text.size() - m_cursor_pos));
+ Text = s;
+ ++m_cursor_pos;
+ }
+
+ m_blink_start_time = porting::getTimeMs();
+ setTextMarkers(0, 0);
+ }
+ }
+ breakText();
+ calculateScrollPos();
+ sendGuiEvent(EGET_EDITBOX_CHANGED);
+}
+
+// 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();
+}
+
+//! set text markers
+void GUIEditBoxWithScrollBar::setTextMarkers(s32 begin, s32 end)
+{
+ if (begin != m_mark_begin || end != m_mark_end) {
+ m_mark_begin = begin;
+ m_mark_end = end;
+ sendGuiEvent(EGET_EDITBOX_MARKING_CHANGED);
+ }
+}
+
+//! send some gui event to parent
+void GUIEditBoxWithScrollBar::sendGuiEvent(EGUI_EVENT_TYPE type)
+{
+ if (Parent) {
+ SEvent e;
+ e.EventType = EET_GUI_EVENT;
+ e.GUIEvent.Caller = this;
+ e.GUIEvent.Element = 0;
+ e.GUIEvent.EventType = type;
+
+ Parent->OnEvent(e);
+ }
+}
+
+//! create a vertical scroll bar
+void GUIEditBoxWithScrollBar::createVScrollBar()
+{
+ IGUISkin *skin = 0;
+ if (Environment)
+ skin = Environment->getSkin();
+
+ 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 = Environment->addScrollBar(false, scrollbarrect, getParent(), getID());
+ m_vscrollbar->setVisible(false);
+ m_vscrollbar->setSmallStep(1);
+ m_vscrollbar->setLargeStep(1);
+}
+
+void GUIEditBoxWithScrollBar::updateVScrollBar()
+{
+ if (!m_vscrollbar) {
+ return;
+ }
+
+ // OnScrollBarChanged(...)
+ if (m_vscrollbar->getPos() != m_vscroll_pos) {
+ s32 deltaScrollY = m_vscrollbar->getPos() - m_vscroll_pos;
+ m_current_text_rect.UpperLeftCorner.Y -= deltaScrollY;
+ m_current_text_rect.LowerRightCorner.Y -= deltaScrollY;
+
+ s32 scrollymax = getTextDimension().Height - m_frame_rect.getHeight();
+ if (scrollymax != m_vscrollbar->getMax()) {
+ // manage a newline or a deleted line
+ m_vscrollbar->setMax(scrollymax);
+ calculateScrollPos();
+ } else {
+ // manage a newline or a deleted line
+ m_vscroll_pos = m_vscrollbar->getPos();
+ }
+ }
+
+ // check if a vertical scrollbar is needed ?
+ if (getTextDimension().Height > m_frame_rect.getHeight()) {
+ m_frame_rect.LowerRightCorner.X -= m_scrollbar_width;
+
+ s32 scrollymax = getTextDimension().Height - m_frame_rect.getHeight();
+ if (scrollymax != m_vscrollbar->getMax()) {
+ m_vscrollbar->setMax(scrollymax);
+ }
+
+ if (!m_vscrollbar->isVisible()) {
+ m_vscrollbar->setVisible(true);
+ }
+ } else {
+ if (m_vscrollbar->isVisible())
+ {
+ m_vscrollbar->setVisible(false);
+ m_vscroll_pos = 0;
+ m_vscrollbar->setPos(0);
+ m_vscrollbar->setMax(1);
+ }
+ }
+
+
+}
+
+//! set true if this editbox is writable
+void GUIEditBoxWithScrollBar::setWritable(bool writable)
+{
+ m_writable = writable;
+}
+
+//! 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
+{
+ // IGUIEditBox::serializeAttributes(out,options);
+
+ out->addBool("Border", m_border);
+ out->addBool("Background", m_background);
+ out->addBool("OverrideColorEnabled", m_override_color_enabled);
+ out->addColor("OverrideColor", m_override_color);
+ // out->addFont("OverrideFont", OverrideFont);
+ out->addInt("MaxChars", m_max);
+ out->addBool("WordWrap", m_word_wrap);
+ out->addBool("MultiLine", m_multiline);
+ out->addBool("AutoScroll", m_autoscroll);
+ out->addBool("PasswordBox", m_passwordbox);
+ core::stringw ch = L" ";
+ ch[0] = m_passwordchar;
+ out->addString("PasswordChar", ch.c_str());
+ out->addEnum("HTextAlign", m_halign, GUIAlignmentNames);
+ out->addEnum("VTextAlign", m_valign, GUIAlignmentNames);
+ out->addBool("Writable", m_writable);
+
+ IGUIEditBox::serializeAttributes(out, options);
+}
+
+
+//! Reads attributes of the element
+void GUIEditBoxWithScrollBar::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options = 0)
+{
+ IGUIEditBox::deserializeAttributes(in, options);
+
+ setDrawBorder(in->getAttributeAsBool("Border"));
+ setDrawBackground(in->getAttributeAsBool("Background"));
+ setOverrideColor(in->getAttributeAsColor("OverrideColor"));
+ enableOverrideColor(in->getAttributeAsBool("OverrideColorEnabled"));
+ setMax(in->getAttributeAsInt("MaxChars"));
+ setWordWrap(in->getAttributeAsBool("WordWrap"));
+ setMultiLine(in->getAttributeAsBool("MultiLine"));
+ setAutoScroll(in->getAttributeAsBool("AutoScroll"));
+ core::stringw ch = in->getAttributeAsStringW("PasswordChar");
+
+ if (!ch.size())
+ setPasswordBox(in->getAttributeAsBool("PasswordBox"));
+ else
+ setPasswordBox(in->getAttributeAsBool("PasswordBox"), ch[0]);
+
+ setTextAlignment((EGUI_ALIGNMENT)in->getAttributeAsEnumeration("HTextAlign", GUIAlignmentNames),
+ (EGUI_ALIGNMENT)in->getAttributeAsEnumeration("VTextAlign", GUIAlignmentNames));
+
+ // setOverrideFont(in->getAttributeAsFont("OverrideFont"));
+ setWritable(in->getAttributeAsBool("Writable"));
+}
--- /dev/null
+// Copyright (C) 2002-2012 Nikolaus Gebhardt, Modified by Mustapha Tachouct
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef GUIEDITBOXWITHSCROLLBAR_HEADER
+#define GUIEDITBOXWITHSCROLLBAR_HEADER
+
+#include "IGUIEditBox.h"
+#include "IOSOperator.h"
+#include "IGUIScrollBar.h"
+#include <vector>
+
+using namespace irr;
+using namespace irr::gui;
+
+class GUIEditBoxWithScrollBar : public IGUIEditBox
+{
+public:
+
+ //! constructor
+ GUIEditBoxWithScrollBar(const wchar_t* text, bool border, IGUIEnvironment* environment,
+ IGUIElement* parent, s32 id, const core::rect<s32>& rectangle,
+ bool writable = true, bool has_vscrollbar = true);
+
+ //! destructor
+ virtual ~GUIEditBoxWithScrollBar();
+
+ //! Sets another skin independent font.
+ virtual void setOverrideFont(IGUIFont* font = 0);
+
+ //! Gets the override font (if any)
+ /** \return The override font (may be 0) */
+ virtual IGUIFont* getOverrideFont() const;
+
+ //! Get the font which is used right now for drawing
+ /** Currently this is the override font when one is set and the
+ font of the active skin otherwise */
+ virtual IGUIFont* getActiveFont() const;
+
+ //! Sets another color for the text.
+ virtual void setOverrideColor(video::SColor color);
+
+ //! Gets the override color
+ virtual video::SColor getOverrideColor() const;
+
+ //! Sets if the text should use the overide color or the
+ //! color in the gui skin.
+ virtual void enableOverrideColor(bool enable);
+
+ //! Checks if an override color is enabled
+ /** \return true if the override color is enabled, false otherwise */
+ virtual bool isOverrideColorEnabled(void) const;
+
+ //! Sets whether to draw the background
+ virtual void setDrawBackground(bool draw);
+
+ //! Turns the border on or off
+ virtual void setDrawBorder(bool border);
+
+ //! Enables or disables word wrap for using the edit box as multiline text editor.
+ virtual void setWordWrap(bool enable);
+
+ //! Checks if word wrap is enabled
+ //! \return true if word wrap is enabled, false otherwise
+ virtual bool isWordWrapEnabled() const;
+
+ //! Enables or disables newlines.
+ /** \param enable: If set to true, the EGET_EDITBOX_ENTER event will not be fired,
+ instead a newline character will be inserted. */
+ virtual void setMultiLine(bool enable);
+
+ //! Checks if multi line editing is enabled
+ //! \return true if mult-line is enabled, false otherwise
+ virtual bool isMultiLineEnabled() const;
+
+ //! Enables or disables automatic scrolling with cursor position
+ //! \param enable: If set to true, the text will move around with the cursor position
+ virtual void setAutoScroll(bool enable);
+
+ //! Checks to see if automatic scrolling is enabled
+ //! \return true if automatic scrolling is enabled, false if not
+ virtual bool isAutoScrollEnabled() const;
+
+ //! Gets the size area of the text in the edit box
+ //! \return Returns the size in pixels of the text
+ virtual core::dimension2du getTextDimension();
+
+ //! Sets text justification
+ virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical);
+
+ //! called if an event happened.
+ virtual bool OnEvent(const SEvent& event);
+
+ //! draws the element and its children
+ virtual void draw();
+
+ //! Sets the new caption of this element.
+ virtual void setText(const wchar_t* text);
+
+ //! Sets the maximum amount of characters which may be entered in the box.
+ //! \param max: Maximum amount of characters. If 0, the character amount is
+ //! infinity.
+ virtual void setMax(u32 max);
+
+ //! Returns maximum amount of characters, previously set by setMax();
+ virtual u32 getMax() const;
+
+ //! Sets whether the edit box is a password box. Setting this to true will
+ /** disable MultiLine, WordWrap and the ability to copy with ctrl+c or ctrl+x
+ \param passwordBox: true to enable password, false to disable
+ \param passwordChar: the character that is displayed instead of letters */
+ virtual void setPasswordBox(bool passwordBox, wchar_t passwordChar = L'*');
+
+ //! Returns true if the edit box is currently a password box.
+ virtual bool isPasswordBox() const;
+
+ //! Updates the absolute position, splits text if required
+ virtual void updateAbsolutePosition();
+
+ virtual void setWritable(bool writable);
+
+ //! Change the background color
+ virtual void setBackgroundColor(const video::SColor &bg_color);
+
+ //! Writes attributes of the element.
+ virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
+
+ //! Reads attributes of the element
+ virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
+
+protected:
+ //! Breaks the single text line.
+ void breakText();
+ //! sets the area of the given line
+ void setTextRect(s32 line);
+ //! returns the line number that the cursor is on
+ s32 getLineFromPos(s32 pos);
+ //! adds a letter to the edit box
+ void inputChar(wchar_t c);
+ //! calculates the current scroll position
+ void calculateScrollPos();
+ //! calculated the FrameRect
+ void calculateFrameRect();
+ //! send some gui event to parent
+ void sendGuiEvent(EGUI_EVENT_TYPE type);
+ //! set text markers
+ void setTextMarkers(s32 begin, s32 end);
+ //! create a Vertical ScrollBar
+ void createVScrollBar();
+ //! update the vertical scrollBar (visibilty & position)
+ void updateVScrollBar();
+
+ bool processKey(const SEvent& event);
+ bool processMouse(const SEvent& event);
+ s32 getCursorPos(s32 x, s32 y);
+
+ bool m_mouse_marking;
+ bool m_border;
+ bool m_background;
+ bool m_override_color_enabled;
+ s32 m_mark_begin;
+ s32 m_mark_end;
+
+ video::SColor m_override_color;
+ gui::IGUIFont *m_override_font, *m_last_break_font;
+ IOSOperator* m_operator;
+
+ u32 m_blink_start_time;
+ s32 m_cursor_pos;
+ s32 m_hscroll_pos, m_vscroll_pos; // scroll position in characters
+ u32 m_max;
+
+ bool m_word_wrap, m_multiline, m_autoscroll, m_passwordbox;
+ wchar_t m_passwordchar;
+ EGUI_ALIGNMENT m_halign, m_valign;
+
+ std::vector<core::stringw> m_broken_text;
+ std::vector<s32> m_broken_text_positions;
+
+ core::rect<s32> m_current_text_rect, m_frame_rect; // temporary values
+
+ u32 m_scrollbar_width;
+ IGUIScrollBar *m_vscrollbar;
+ bool m_writable;
+
+ bool m_bg_color_used;
+ video::SColor m_bg_color;
+};
+
+
+#endif // GUIEDITBOXWITHSCROLLBAR_HEADER
+
projects / oweals / minetest.git / commitdiff