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Add IGUIScrollbar implementation with variable bar sizes (#8507)

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This commit is contained in:
stujones11 2019-05-24 16:42:05 +01:00 committed by rubenwardy
parent a2848c9cde
commit b917ea4723
10 changed files with 543 additions and 14 deletions
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1
build/android/jni/Android.mk
View File

@ -185,6 +185,7 @@ LOCAL_SRC_FILES := \
jni/src/gui/guiKeyChangeMenu.cpp \
jni/src/gui/guiPasswordChange.cpp \
jni/src/gui/guiPathSelectMenu.cpp \
jni/src/gui/guiScrollBar.cpp \
jni/src/gui/guiTable.cpp \
jni/src/gui/guiVolumeChange.cpp \
jni/src/gui/intlGUIEditBox.cpp \

1
src/gui/CMakeLists.txt
View File

@ -7,6 +7,7 @@ set(gui_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/guiKeyChangeMenu.cpp
${CMAKE_CURRENT_SOURCE_DIR}/guiPasswordChange.cpp
${CMAKE_CURRENT_SOURCE_DIR}/guiPathSelectMenu.cpp
${CMAKE_CURRENT_SOURCE_DIR}/guiScrollBar.cpp
${CMAKE_CURRENT_SOURCE_DIR}/guiTable.cpp
${CMAKE_CURRENT_SOURCE_DIR}/guiVolumeChange.cpp
${CMAKE_CURRENT_SOURCE_DIR}/intlGUIEditBox.cpp

12
src/gui/guiEditBoxWithScrollbar.cpp
View File

@ -13,7 +13,6 @@
#include "porting.h"
#include "Keycodes.h"
/*
todo:
optional scrollbars [done]
@ -76,7 +75,8 @@ GUIEditBoxWithScrollBar::~GUIEditBoxWithScrollBar()
if (m_operator)
m_operator->drop();
m_vscrollbar->remove();
if (m_vscrollbar)
m_vscrollbar->drop();
}
@ -1400,7 +1400,9 @@ void GUIEditBoxWithScrollBar::createVScrollBar()
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 = new guiScrollBar(Environment, getParent(), -1,
scrollbarrect, false, true);
m_vscrollbar->setVisible(false);
m_vscrollbar->setSmallStep(1);
m_vscrollbar->setLargeStep(1);
@ -1422,6 +1424,7 @@ void GUIEditBoxWithScrollBar::updateVScrollBar()
if (scrollymax != m_vscrollbar->getMax()) {
// manage a newline or a deleted line
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
calculateScrollPos();
} else {
// manage a newline or a deleted line
@ -1436,6 +1439,7 @@ void GUIEditBoxWithScrollBar::updateVScrollBar()
s32 scrollymax = getTextDimension().Height - m_frame_rect.getHeight();
if (scrollymax != m_vscrollbar->getMax()) {
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
if (!m_vscrollbar->isVisible()) {
@ -1448,10 +1452,10 @@ void GUIEditBoxWithScrollBar::updateVScrollBar()
m_vscroll_pos = 0;
m_vscrollbar->setPos(0);
m_vscrollbar->setMax(1);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
}
}
//! set true if this editbox is writable

4
src/gui/guiEditBoxWithScrollbar.h
View File

@ -7,7 +7,7 @@
#include "IGUIEditBox.h"
#include "IOSOperator.h"
#include "IGUIScrollBar.h"
#include "guiScrollBar.h"
#include <vector>
using namespace irr;
@ -187,7 +187,7 @@ protected:
core::rect<s32> m_current_text_rect, m_frame_rect; // temporary values
u32 m_scrollbar_width;
IGUIScrollBar *m_vscrollbar;
guiScrollBar *m_vscrollbar;
bool m_writable;
bool m_bg_color_used;

442
src/gui/guiScrollBar.cpp Normal file
View File

@ -0,0 +1,442 @@
/*
Copyright (C) 2002-2013 Nikolaus Gebhardt
This file is part of the "Irrlicht Engine".
For conditions of distribution and use, see copyright notice in irrlicht.h
Modified 2019.05.01 by stujones11, Stuart Jones <stujones111@gmail.com>
This is a heavily modified copy of the Irrlicht CGUIScrollBar class
which includes automatic scaling of the thumb slider and hiding of
the arrow buttons where there is insufficient space.
*/
#include "guiScrollBar.h"
#include <IGUIButton.h>
#include <IGUISkin.h>
guiScrollBar::guiScrollBar(IGUIEnvironment *environment, IGUIElement *parent, s32 id,
core::rect<s32> rectangle, bool horizontal, bool auto_scale) :
IGUIElement(EGUIET_ELEMENT, environment, parent, id, rectangle),
up_button(nullptr), down_button(nullptr), is_dragging(false),
is_horizontal(horizontal), is_auto_scaling(auto_scale),
dragged_by_slider(false), tray_clicked(false), scroll_pos(0),
draw_center(0), thumb_size(0), min_pos(0), max_pos(100), small_step(10),
large_step(50), desired_pos(0), last_change(0), drag_offset(0),
page_size(100), border_size(0)
{
refreshControls();
setNotClipped(false);
setTabStop(true);
setTabOrder(-1);
setPos(0);
}
bool guiScrollBar::OnEvent(const SEvent &event)
{
if (isEnabled()) {
switch (event.EventType) {
case EET_KEY_INPUT_EVENT:
if (event.KeyInput.PressedDown) {
const s32 old_pos = scroll_pos;
bool absorb = true;
switch (event.KeyInput.Key) {
case KEY_LEFT:
case KEY_UP:
setPos(scroll_pos - small_step);
break;
case KEY_RIGHT:
case KEY_DOWN:
setPos(scroll_pos + small_step);
break;
case KEY_HOME:
setPos(min_pos);
break;
case KEY_PRIOR:
setPos(scroll_pos - large_step);
break;
case KEY_END:
setPos(max_pos);
break;
case KEY_NEXT:
setPos(scroll_pos + large_step);
break;
default:
absorb = false;
}
if (scroll_pos != old_pos) {
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = nullptr;
e.GUIEvent.EventType = EGET_SCROLL_BAR_CHANGED;
Parent->OnEvent(e);
}
if (absorb)
return true;
}
break;
case EET_GUI_EVENT:
if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED) {
if (event.GUIEvent.Caller == up_button)
setPos(scroll_pos - small_step);
else if (event.GUIEvent.Caller == down_button)
setPos(scroll_pos + small_step);
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = nullptr;
e.GUIEvent.EventType = EGET_SCROLL_BAR_CHANGED;
Parent->OnEvent(e);
return true;
} else if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
if (event.GUIEvent.Caller == this)
is_dragging = false;
break;
case EET_MOUSE_INPUT_EVENT: {
const core::position2di p(event.MouseInput.X, event.MouseInput.Y);
bool is_inside = isPointInside(p);
switch (event.MouseInput.Event) {
case EMIE_MOUSE_WHEEL:
if (Environment->hasFocus(this)) {
s8 d = event.MouseInput.Wheel < 0 ? -1 : 1;
s8 h = is_horizontal ? 1 : -1;
setPos(getPos() + (d * small_step * h));
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = nullptr;
e.GUIEvent.EventType = EGET_SCROLL_BAR_CHANGED;
Parent->OnEvent(e);
return true;
}
break;
case EMIE_LMOUSE_PRESSED_DOWN: {
if (is_inside) {
is_dragging = true;
dragged_by_slider = slider_rect.isPointInside(p);
core::vector2di corner =
slider_rect.UpperLeftCorner;
drag_offset = is_horizontal ? p.X - corner.X
: p.Y - corner.Y;
tray_clicked = !dragged_by_slider;
desired_pos = getPosFromMousePos(p);
Environment->setFocus(this);
return true;
}
break;
}
case EMIE_LMOUSE_LEFT_UP:
case EMIE_MOUSE_MOVED: {
if (!event.MouseInput.isLeftPressed())
is_dragging = false;
if (!is_dragging) {
if (event.MouseInput.Event == EMIE_MOUSE_MOVED)
break;
return is_inside;
}
if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
is_dragging = false;
// clang-format off
if (!dragged_by_slider) {
if (is_inside) {
dragged_by_slider = slider_rect.isPointInside(p);
tray_clicked = !dragged_by_slider;
}
if (!dragged_by_slider) {
tray_clicked = false;
if (event.MouseInput.Event == EMIE_MOUSE_MOVED)
return is_inside;
}
}
// clang-format on
const s32 new_pos = getPosFromMousePos(p);
const s32 old_pos = scroll_pos;
if (dragged_by_slider)
setPos(new_pos);
else
desired_pos = new_pos;
if (scroll_pos != old_pos && Parent) {
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = nullptr;
e.GUIEvent.EventType = EGET_SCROLL_BAR_CHANGED;
Parent->OnEvent(e);
}
return is_inside;
}
default:
break;
}
} break;
default:
break;
}
}
return IGUIElement::OnEvent(event);
}
void guiScrollBar::OnPostRender(u32 timeMs)
{
if (is_dragging && !dragged_by_slider && tray_clicked &&
timeMs > last_change + 200) {
last_change = timeMs;
const s32 old_pos = scroll_pos;
if (desired_pos >= scroll_pos + large_step)
setPos(scroll_pos + large_step);
else if (desired_pos <= scroll_pos - large_step)
setPos(scroll_pos - large_step);
else if (desired_pos >= scroll_pos - large_step &&
desired_pos <= scroll_pos + large_step)
setPos(desired_pos);
if (scroll_pos != old_pos && Parent) {
SEvent e;
e.EventType = EET_GUI_EVENT;
e.GUIEvent.Caller = this;
e.GUIEvent.Element = nullptr;
e.GUIEvent.EventType = EGET_SCROLL_BAR_CHANGED;
Parent->OnEvent(e);
}
}
}
void guiScrollBar::draw()
{
if (!IsVisible)
return;
IGUISkin *skin = Environment->getSkin();
if (!skin)
return;
video::SColor icon_color = skin->getColor(
isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL);
if (icon_color != current_icon_color)
refreshControls();
slider_rect = AbsoluteRect;
skin->draw2DRectangle(this, skin->getColor(EGDC_SCROLLBAR), slider_rect,
&AbsoluteClippingRect);
if (core::isnotzero(range())) {
if (is_horizontal) {
slider_rect.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X +
draw_center - thumb_size / 2;
slider_rect.LowerRightCorner.X =
slider_rect.UpperLeftCorner.X + thumb_size;
} else {
slider_rect.UpperLeftCorner.Y = AbsoluteRect.UpperLeftCorner.Y +
draw_center - thumb_size / 2;
slider_rect.LowerRightCorner.Y =
slider_rect.UpperLeftCorner.Y + thumb_size;
}
skin->draw3DButtonPaneStandard(this, slider_rect, &AbsoluteClippingRect);
}
IGUIElement::draw();
}
void guiScrollBar::updateAbsolutePosition()
{
IGUIElement::updateAbsolutePosition();
refreshControls();
setPos(scroll_pos);
}
s32 guiScrollBar::getPosFromMousePos(const core::position2di &pos) const
{
s32 w, p;
s32 offset = dragged_by_slider ? drag_offset : thumb_size / 2;
if (is_horizontal) {
w = RelativeRect.getWidth() - border_size * 2 - thumb_size;
p = pos.X - AbsoluteRect.UpperLeftCorner.X - border_size - offset;
} else {
w = RelativeRect.getHeight() - border_size * 2 - thumb_size;
p = pos.Y - AbsoluteRect.UpperLeftCorner.Y - border_size - offset;
}
return core::isnotzero(range()) ? s32(f32(p) / f32(w) * range()) + min_pos : 0;
}
void guiScrollBar::setPos(const s32 &pos)
{
s32 thumb_area = 0;
s32 thumb_min = 0;
if (is_horizontal) {
thumb_min = RelativeRect.getHeight();
thumb_area = RelativeRect.getWidth() - border_size * 2;
} else {
thumb_min = RelativeRect.getWidth();
thumb_area = RelativeRect.getHeight() - border_size * 2;
}
if (is_auto_scaling)
thumb_size = s32(thumb_area /
(f32(page_size) / f32(thumb_area + border_size * 2)));
thumb_size = core::s32_clamp(thumb_size, thumb_min, thumb_area);
scroll_pos = core::s32_clamp(pos, min_pos, max_pos);
f32 f = core::isnotzero(range()) ? (f32(thumb_area) - f32(thumb_size)) / range()
: 1.0f;
draw_center = s32((f32(scroll_pos) * f) + (f32(thumb_size) * 0.5f)) + border_size;
}
void guiScrollBar::setSmallStep(const s32 &step)
{
small_step = step > 0 ? step : 10;
}
void guiScrollBar::setLargeStep(const s32 &step)
{
large_step = step > 0 ? step : 50;
}
void guiScrollBar::setMax(const s32 &max)
{
max_pos = max;
if (min_pos > max_pos)
min_pos = max_pos;
bool enable = core::isnotzero(range());
up_button->setEnabled(enable);
down_button->setEnabled(enable);
setPos(scroll_pos);
}
void guiScrollBar::setMin(const s32 &min)
{
min_pos = min;
if (max_pos < min_pos)
max_pos = min_pos;
bool enable = core::isnotzero(range());
up_button->setEnabled(enable);
down_button->setEnabled(enable);
setPos(scroll_pos);
}
void guiScrollBar::setPageSize(const s32 &size)
{
page_size = size;
setPos(scroll_pos);
}
s32 guiScrollBar::getPos() const
{
return scroll_pos;
}
void guiScrollBar::refreshControls()
{
IGUISkin *skin = Environment->getSkin();
IGUISpriteBank *sprites = nullptr;
current_icon_color = video::SColor(255, 255, 255, 255);
if (skin) {
sprites = skin->getSpriteBank();
current_icon_color =
skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL
: EGDC_GRAY_WINDOW_SYMBOL);
}
if (is_horizontal) {
s32 h = RelativeRect.getHeight();
border_size = RelativeRect.getWidth() < h * 4 ? 0 : h;
if (!up_button) {
up_button = Environment->addButton(
core::rect<s32>(0, 0, h, h), this);
up_button->setSubElement(true);
up_button->setTabStop(false);
}
if (sprites) {
up_button->setSpriteBank(sprites);
up_button->setSprite(EGBS_BUTTON_UP,
s32(skin->getIcon(EGDI_CURSOR_LEFT)),
current_icon_color);
up_button->setSprite(EGBS_BUTTON_DOWN,
s32(skin->getIcon(EGDI_CURSOR_LEFT)),
current_icon_color);
}
up_button->setRelativePosition(core::rect<s32>(0, 0, h, h));
up_button->setAlignment(EGUIA_UPPERLEFT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT,
EGUIA_LOWERRIGHT);
if (!down_button) {
down_button = Environment->addButton(
core::rect<s32>(RelativeRect.getWidth() - h, 0,
RelativeRect.getWidth(), h),
this);
down_button->setSubElement(true);
down_button->setTabStop(false);
}
if (sprites) {
down_button->setSpriteBank(sprites);
down_button->setSprite(EGBS_BUTTON_UP,
s32(skin->getIcon(EGDI_CURSOR_RIGHT)),
current_icon_color);
down_button->setSprite(EGBS_BUTTON_DOWN,
s32(skin->getIcon(EGDI_CURSOR_RIGHT)),
current_icon_color);
}
down_button->setRelativePosition(
core::rect<s32>(RelativeRect.getWidth() - h, 0,
RelativeRect.getWidth(), h));
down_button->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT,
EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
} else {
s32 w = RelativeRect.getWidth();
border_size = RelativeRect.getHeight() < w * 4 ? 0 : w;
if (!up_button) {
up_button = Environment->addButton(
core::rect<s32>(0, 0, w, w), this);
up_button->setSubElement(true);
up_button->setTabStop(false);
}
if (sprites) {
up_button->setSpriteBank(sprites);
up_button->setSprite(EGBS_BUTTON_UP,
s32(skin->getIcon(EGDI_CURSOR_UP)),
current_icon_color);
up_button->setSprite(EGBS_BUTTON_DOWN,
s32(skin->getIcon(EGDI_CURSOR_UP)),
current_icon_color);
}
up_button->setRelativePosition(core::rect<s32>(0, 0, w, w));
up_button->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT,
EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
if (!down_button) {
down_button = Environment->addButton(
core::rect<s32>(0, RelativeRect.getHeight() - w,
w, RelativeRect.getHeight()),
this);
down_button->setSubElement(true);
down_button->setTabStop(false);
}
if (sprites) {
down_button->setSpriteBank(sprites);
down_button->setSprite(EGBS_BUTTON_UP,
s32(skin->getIcon(EGDI_CURSOR_DOWN)),
current_icon_color);
down_button->setSprite(EGBS_BUTTON_DOWN,
s32(skin->getIcon(EGDI_CURSOR_DOWN)),
current_icon_color);
}
down_button->setRelativePosition(
core::rect<s32>(0, RelativeRect.getHeight() - w, w,
RelativeRect.getHeight()));
down_button->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT,
EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT);
}
bool visible = (border_size != 0);
up_button->setVisible(visible);
down_button->setVisible(visible);
}

71
src/gui/guiScrollBar.h Normal file
View File

@ -0,0 +1,71 @@
/*
Copyright (C) 2002-2013 Nikolaus Gebhardt
This file is part of the "Irrlicht Engine".
For conditions of distribution and use, see copyright notice in irrlicht.h
Modified 2019.05.01 by stujones11, Stuart Jones <stujones111@gmail.com>
This is a heavily modified copy of the Irrlicht CGUIScrollBar class
which includes automatic scaling of the thumb slider and hiding of
the arrow buttons where there is insufficient space.
*/
#pragma once
#include "irrlichttypes_extrabloated.h"
using namespace irr;
using namespace gui;
class guiScrollBar : public IGUIElement
{
public:
guiScrollBar(IGUIEnvironment *environment, IGUIElement *parent, s32 id,
core::rect<s32> rectangle, bool horizontal, bool auto_scale);
virtual void draw();
virtual void updateAbsolutePosition();
virtual bool OnEvent(const SEvent &event);
virtual void OnPostRender(u32 timeMs);
s32 getMax() const { return max_pos; }
s32 getMin() const { return min_pos; }
s32 getLargeStep() const { return large_step; }
s32 getSmallStep() const { return small_step; }
s32 getPos() const;
void setMax(const s32 &max);
void setMin(const s32 &min);
void setSmallStep(const s32 &step);
void setLargeStep(const s32 &step);
void setPos(const s32 &pos);
void setPageSize(const s32 &size);
private:
void refreshControls();
s32 getPosFromMousePos(const core::position2di &p) const;
f32 range() const { return f32(max_pos - min_pos); }
IGUIButton *up_button;
IGUIButton *down_button;
bool is_dragging;
bool is_horizontal;
bool is_auto_scaling;
bool dragged_by_slider;
bool tray_clicked;
s32 scroll_pos;
s32 draw_center;
s32 thumb_size;
s32 min_pos;
s32 max_pos;
s32 small_step;
s32 large_step;
s32 desired_pos;
u32 last_change;
s32 drag_offset;
s32 page_size;
s32 border_size;
core::rect<s32> slider_rect;
video::SColor current_icon_color;
};

9
src/gui/guiTable.cpp
View File

@ -25,7 +25,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <cstring>
#include <IGUISkin.h>
#include <IGUIFont.h>
#include <IGUIScrollBar.h>
#include "client/renderingengine.h"
#include "debug.h"
#include "log.h"
@ -62,12 +61,12 @@ GUITable::GUITable(gui::IGUIEnvironment *env,
}
const s32 s = skin->getSize(gui::EGDS_SCROLLBAR_SIZE);
m_scrollbar = Environment->addScrollBar(false,
m_scrollbar = new guiScrollBar(Environment, this, -1,
core::rect<s32>(RelativeRect.getWidth() - s,
0,
RelativeRect.getWidth(),
RelativeRect.getHeight()),
this, -1);
false, true);
m_scrollbar->setSubElement(true);
m_scrollbar->setTabStop(false);
m_scrollbar->setAlignment(gui::EGUIA_LOWERRIGHT, gui::EGUIA_LOWERRIGHT,
@ -99,7 +98,8 @@ GUITable::~GUITable()
if (m_font)
m_font->drop();
m_scrollbar->remove();
if (m_scrollbar)
m_scrollbar->drop();
}
GUITable::Option GUITable::splitOption(const std::string &str)
@ -1075,6 +1075,7 @@ void GUITable::updateScrollBar()
m_scrollbar->setMax(scrollmax);
m_scrollbar->setSmallStep(m_rowheight);
m_scrollbar->setLargeStep(2 * m_rowheight);
m_scrollbar->setPageSize(totalheight);
}
void GUITable::sendTableEvent(s32 column, bool doubleclick)

3
src/gui/guiTable.h
View File

@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <iostream>
#include "irrlichttypes_extrabloated.h"
#include "guiScrollBar.h"
class ISimpleTextureSource;
@ -198,7 +199,7 @@ protected:
video::SColor m_highlight_text = video::SColor(255, 255, 255, 255);
s32 m_rowheight = 1;
gui::IGUIFont *m_font = nullptr;
gui::IGUIScrollBar *m_scrollbar = nullptr;
guiScrollBar *m_scrollbar = nullptr;
// Allocated strings and images
std::vector<core::stringw> m_strings;

10
src/gui/intlGUIEditBox.cpp
View File

@ -113,6 +113,9 @@ intlGUIEditBox::~intlGUIEditBox()
if (Operator)
Operator->drop();
if (m_vscrollbar)
m_vscrollbar->drop();
}
@ -1479,7 +1482,9 @@ void intlGUIEditBox::createVScrollBar()
irr::core::rect<s32> scrollbarrect = FrameRect;
scrollbarrect.UpperLeftCorner.X += FrameRect.getWidth() - m_scrollbar_width;
m_vscrollbar = Environment->addScrollBar(false, scrollbarrect, getParent(), getID());
m_vscrollbar = new guiScrollBar(Environment, getParent(), -1,
scrollbarrect, false, true);
m_vscrollbar->setVisible(false);
m_vscrollbar->setSmallStep(3 * fontHeight);
m_vscrollbar->setLargeStep(10 * fontHeight);
@ -1501,6 +1506,7 @@ void intlGUIEditBox::updateVScrollBar()
if (scrollymax != m_vscrollbar->getMax()) {
// manage a newline or a deleted line
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
calculateScrollPos();
} else {
// manage a newline or a deleted line
@ -1513,6 +1519,7 @@ void intlGUIEditBox::updateVScrollBar()
s32 scrollymax = getTextDimension().Height - FrameRect.getHeight();
if (scrollymax != m_vscrollbar->getMax()) {
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
if (!m_vscrollbar->isVisible() && MultiLine) {
@ -1527,6 +1534,7 @@ void intlGUIEditBox::updateVScrollBar()
VScrollPos = 0;
m_vscrollbar->setPos(0);
m_vscrollbar->setMax(1);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
m_vscrollbar->setVisible(false);
}
}

4
src/gui/intlGUIEditBox.h
View File

@ -10,7 +10,7 @@
#include <IGUIEditBox.h>
#include "irrArray.h"
#include "IOSOperator.h"
#include "IGUIScrollBar.h"
#include "guiScrollBar.h"
namespace irr
{
@ -198,7 +198,7 @@ namespace gui
core::rect<s32> CurrentTextRect = core::rect<s32>(0,0,1,1);
core::rect<s32> FrameRect; // temporary values
u32 m_scrollbar_width;
IGUIScrollBar *m_vscrollbar;
guiScrollBar *m_vscrollbar;
bool m_writable;
};