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Formspec: textarea with scrollbar improvements

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Increase scrollrate depending on fontsize

Scroll on mousewheel

Allow scrolling and marking text on non writable textareas

Update lua api about readonly mode

Show scrollbar if text overflows
This commit is contained in:
adrido 2017-10-09 06:57:18 +02:00 committed by Loic Blot
parent 9b8fa99fe3
commit e6e5fa3bf8
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GPG Key ID: EFAA458E8C153987
5 changed files with 46 additions and 30 deletions
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4
builtin/mainmenu/tab_online.lua
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@ -61,8 +61,8 @@ local function get_formspec(tabview, name, tabdata)
fgettext("Del. Favorite") .. "]"
end
if fav_selected.description then
retval = retval .. "textarea[8.1,2.3;4.23,2.9;;" ..
core.formspec_escape((gamedata.serverdescription or ""), true) .. ";]"
retval = retval .. "textarea[8.1,2.3;4.23,2.9;;;" ..
core.formspec_escape((gamedata.serverdescription or ""), true) .. "]"
end
end

5
doc/lua_api.txt
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@ -1918,9 +1918,10 @@ examples.
* if <close_on_enter> is false, pressing enter in the field will submit the form but not close it
* defaults to true when not specified (ie: no tag for a field)
#### `textarea[<X>,<Y>;<W>,<H>;<name>;<label>;<default>;<scrollbar>]`
#### `textarea[<X>,<Y>;<W>,<H>;<name>;<label>;<default>]`
* Same as fields above, but with multi-line input
* if <scrollbar> is true an auto vertical scrollbar is added
* if the text overflows a vertical scrollbar is added
* if the name is empty the textarea is readonly. The label is not displayed then
#### `label[<X>,<Y>;<label>]`
* `x` and `y` work as per field

20
src/guiFormSpecMenu.cpp
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@ -1073,7 +1073,6 @@ void GUIFormSpecMenu::parseTextArea(parserData* data, std::vector<std::string>&
std::string name = parts[2];
std::string label = parts[3];
std::string default_val = parts[4];
bool has_vscrollbar = parts.size() > 5 ? is_yes(parts[5]) : false;
MY_CHECKPOS(type,0);
MY_CHECKGEOM(type,1);
@ -1118,27 +1117,25 @@ void GUIFormSpecMenu::parseTextArea(parserData* data, std::vector<std::string>&
bool is_editable = !name.empty();
if (is_editable) {
if (is_editable)
spec.send = true;
}
gui::IGUIEditBox *e;
#if USE_FREETYPE && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
if (g_settings->getBool("freetype")) {
e = (gui::IGUIEditBox *) new gui::intlGUIEditBox(spec.flabel.c_str(),
true, Environment, this, spec.fid, rect, is_editable, has_vscrollbar);
e = (gui::IGUIEditBox *) new gui::intlGUIEditBox(spec.fdefault.c_str(),
true, Environment, this, spec.fid, rect, is_editable, true);
e->drop();
} else {
#else
{
#endif
e = new GUIEditBoxWithScrollBar(spec.flabel.c_str(), true,
Environment, this, spec.fid, rect, is_editable, has_vscrollbar);
e = new GUIEditBoxWithScrollBar(spec.fdefault.c_str(), true,
Environment, this, spec.fid, rect, is_editable, true);
}
if (is_editable && spec.fname == data->focused_fieldname) {
if (is_editable && spec.fname == data->focused_fieldname)
Environment->setFocus(e);
}
if (e) {
if (type == "textarea")
@ -1157,14 +1154,13 @@ void GUIFormSpecMenu::parseTextArea(parserData* data, std::vector<std::string>&
e->OnEvent(evt);
}
}
if (is_editable) {
if (label.length() >= 1) {
if (is_editable && !label.empty()) {
int font_height = g_fontengine->getTextHeight();
rect.UpperLeftCorner.Y -= font_height;
rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + font_height;
addStaticText(Environment, spec.flabel.c_str(), rect, false, true, this, 0);
}
}
if (parts.size() >= 6) {
// TODO: remove after 2016-11-03

35
src/intlGUIEditBox.cpp
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@ -260,7 +260,7 @@ void intlGUIEditBox::setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT
//! called if an event happened.
bool intlGUIEditBox::OnEvent(const SEvent& event)
{
if (IsEnabled && m_writable)
if (IsEnabled)
{
switch(event.EventType)
@ -944,8 +944,7 @@ void intlGUIEditBox::draw()
font->getKerningWidth(L"_", CursorPos-startPos > 0 ? &((*txtLine)[CursorPos-startPos-1]) : 0);
if (m_writable) {
if (focus && (porting::getTimeMs() - BlinkStartTime) % 700 < 350)
{
if (focus && (porting::getTimeMs() - BlinkStartTime) % 700 < 350) {
setTextRect(cursorLine);
CurrentTextRect.UpperLeftCorner.X += charcursorpos;
@ -1086,6 +1085,14 @@ bool intlGUIEditBox::processMouse(const SEvent& event)
calculateScrollPos();
return true;
}
break;
case EMIE_MOUSE_WHEEL:
if (m_vscrollbar) {
s32 pos = m_vscrollbar->getPos();
s32 step = m_vscrollbar->getSmallStep();
m_vscrollbar->setPos(pos - event.MouseInput.Wheel * step);
}
break;
default:
break;
}
@ -1433,10 +1440,9 @@ void intlGUIEditBox::calculateScrollPos()
VScrollPos = 0;
// todo: adjust scrollbar
if (m_vscrollbar) {
if (m_vscrollbar)
m_vscrollbar->setPos(VScrollPos);
}
}
//! set text markers
void intlGUIEditBox::setTextMarkers(s32 begin, s32 end)
@ -1467,20 +1473,31 @@ void intlGUIEditBox::sendGuiEvent(EGUI_EVENT_TYPE type)
//! Create a vertical scrollbar
void intlGUIEditBox::createVScrollBar()
{
s32 fontHeight = 1;
if (OverrideFont) {
fontHeight = OverrideFont->getDimension(L"").Height;
} else {
if (IGUISkin* skin = Environment->getSkin()) {
if (IGUIFont* font = skin->getFont()) {
fontHeight = font->getDimension(L"").Height;
}
}
}
irr::core::rect<s32> scrollbarrect = FrameRect;
scrollbarrect.UpperLeftCorner.X += FrameRect.getWidth() - m_scrollbar_width;
m_vscrollbar = Environment->addScrollBar(false, scrollbarrect, getParent(), getID());
m_vscrollbar->setVisible(false);
m_vscrollbar->setSmallStep(1);
m_vscrollbar->setLargeStep(1);
m_vscrollbar->setSmallStep(3 * fontHeight);
m_vscrollbar->setLargeStep(10 * fontHeight);
}
//! Update the vertical scrollbar (visibilty & scroll position)
void intlGUIEditBox::updateVScrollBar()
{
if (!m_vscrollbar) {
if (!m_vscrollbar)
return;
}
// OnScrollBarChanged(...)
if (m_vscrollbar->getPos() != VScrollPos) {

2
util/travis/clang-format-whitelist.txt
View File

@ -81,6 +81,8 @@ src/gettext.cpp
src/gettext.h
src/guiChatConsole.cpp
src/guiChatConsole.h
src/guiEditBoxWithScrollbar.cpp
src/guiEditBoxWithScrollbar.h
src/guiEngine.cpp
src/guiEngine.h
src/guiPathSelectMenu.cpp