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mirror of https://github.com/vcmi/vcmi.git synced 2024-12-24 22:14:36 +02:00

Android: make keyboard appear and disappear only on demand

This commit is contained in:
Andrii Danylchenko 2022-05-07 12:56:34 +03:00 committed by Andrii Danylchenko
parent 6da233c387
commit 2710d1df50
3 changed files with 155 additions and 93 deletions

View File

@ -268,10 +268,14 @@ void SelectionTab::clickLeft(tribool down, bool previousState)
if(down)
{
int line = getLine();
if(line != -1)
{
select(line);
}
}
}
void SelectionTab::keyPressed(const SDL_KeyboardEvent & key)
{
if(key.state != SDL_PRESSED)

View File

@ -67,7 +67,7 @@ void CLabel::setAutoRedraw(bool value)
autoRedraw = value;
}
void CLabel::setText(const std::string &Txt)
void CLabel::setText(const std::string & Txt)
{
text = Txt;
if(autoRedraw)
@ -96,7 +96,7 @@ size_t CLabel::getWidth()
return graphics->fonts[font]->getStringWidth(visibleText());;
}
CMultiLineLabel::CMultiLineLabel(Rect position, EFonts Font, EAlignment Align, const SDL_Color &Color, const std::string &Text):
CMultiLineLabel::CMultiLineLabel(Rect position, EFonts Font, EAlignment Align, const SDL_Color & Color, const std::string & Text) :
CLabel(position.x, position.y, Font, Align, Color, Text),
visibleSize(0, 0, position.w, position.h)
{
@ -124,32 +124,32 @@ void CMultiLineLabel::scrollTextTo(int distance, bool redrawAfterScroll)
setVisibleSize(size, redrawAfterScroll);
}
void CMultiLineLabel::setText(const std::string &Txt)
void CMultiLineLabel::setText(const std::string & Txt)
{
splitText(Txt, false); //setText used below can handle redraw
CLabel::setText(Txt);
}
void CTextContainer::blitLine(SDL_Surface *to, Rect destRect, std::string what)
void CTextContainer::blitLine(SDL_Surface * to, Rect destRect, std::string what)
{
const auto f = graphics->fonts[font];
Point where = destRect.topLeft();
// input is rect in which given text should be placed
// calculate proper position for top-left corner of the text
if (alignment == TOPLEFT)
if(alignment == TOPLEFT)
{
where.x += getBorderSize().x;
where.y += getBorderSize().y;
}
if (alignment == CENTER)
if(alignment == CENTER)
{
where.x += (int(destRect.w) - int(f->getStringWidth(what))) / 2;
where.y += (int(destRect.h) - int(f->getLineHeight())) / 2;
}
if (alignment == BOTTOMRIGHT)
if(alignment == BOTTOMRIGHT)
{
where.x += getBorderSize().x + destRect.w - (int)f->getStringWidth(what);
where.y += getBorderSize().y + destRect.h - (int)f->getLineHeight();
@ -162,11 +162,11 @@ void CTextContainer::blitLine(SDL_Surface *to, Rect destRect, std::string what)
do
{
size_t end = what.find_first_of(delimeters[currDelimeter % 2], begin);
if (begin != end)
if(begin != end)
{
std::string toPrint = what.substr(begin, end - begin);
if (currDelimeter % 2) // Enclosed in {} text - set to yellow
if(currDelimeter % 2) // Enclosed in {} text - set to yellow
f->renderTextLeft(to, toPrint, Colors::YELLOW, where);
else // Non-enclosed text, use default color
f->renderTextLeft(to, toPrint, color, where);
@ -175,15 +175,15 @@ void CTextContainer::blitLine(SDL_Surface *to, Rect destRect, std::string what)
where.x += (int)f->getStringWidth(toPrint);
}
currDelimeter++;
}
while (begin++ != std::string::npos);
} while(begin++ != std::string::npos);
}
CTextContainer::CTextContainer(EAlignment alignment, EFonts font, SDL_Color color):
CTextContainer::CTextContainer(EAlignment alignment, EFonts font, SDL_Color color) :
alignment(alignment),
font(font),
color(color)
{}
{
}
void CMultiLineLabel::showAll(SDL_Surface * to)
{
@ -193,15 +193,15 @@ void CMultiLineLabel::showAll(SDL_Surface * to)
// calculate which lines should be visible
int totalLines = static_cast<int>(lines.size());
int beginLine = visibleSize.y;
int endLine = getTextLocation().h + visibleSize.y;
int beginLine = visibleSize.y;
int endLine = getTextLocation().h + visibleSize.y;
if (beginLine < 0)
if(beginLine < 0)
beginLine = 0;
else
beginLine /= (int)f->getLineHeight();
if (endLine < 0)
if(endLine < 0)
endLine = 0;
else
endLine /= (int)f->getLineHeight();
@ -209,32 +209,32 @@ void CMultiLineLabel::showAll(SDL_Surface * to)
// and where they should be displayed
Point lineStart = getTextLocation().topLeft() - visibleSize + Point(0, beginLine * (int)f->getLineHeight());
Point lineSize = Point(getTextLocation().w, (int)f->getLineHeight());
Point lineSize = Point(getTextLocation().w, (int)f->getLineHeight());
CSDL_Ext::CClipRectGuard guard(to, getTextLocation()); // to properly trim text that is too big to fit
for (int i = beginLine; i < std::min(totalLines, endLine); i++)
for(int i = beginLine; i < std::min(totalLines, endLine); i++)
{
if (!lines[i].empty()) //non-empty line
if(!lines[i].empty()) //non-empty line
blitLine(to, Rect(lineStart, lineSize), lines[i]);
lineStart.y += (int)f->getLineHeight();
}
}
void CMultiLineLabel::splitText(const std::string &Txt, bool redrawAfter)
void CMultiLineLabel::splitText(const std::string & Txt, bool redrawAfter)
{
lines.clear();
const auto f = graphics->fonts[font];
int lineHeight = static_cast<int>(f->getLineHeight());
int lineHeight = static_cast<int>(f->getLineHeight());
lines = CMessage::breakText(Txt, pos.w, font);
textSize.y = lineHeight * (int)lines.size();
textSize.x = 0;
for(const std::string &line : lines)
vstd::amax( textSize.x, f->getStringWidth(line.c_str()));
textSize.y = lineHeight * (int)lines.size();
textSize.x = 0;
for(const std::string & line : lines)
vstd::amax(textSize.x, f->getStringWidth(line.c_str()));
if(redrawAfter)
redraw();
}
@ -244,7 +244,7 @@ Rect CMultiLineLabel::getTextLocation()
// this method is needed for vertical alignment alignment of text
// when height of available text is smaller than height of widget
// in this case - we should add proper offset to display text at required position
if (pos.h <= textSize.y)
if(pos.h <= textSize.y)
return pos;
Point textSize(pos.w, (int)graphics->fonts[font]->getLineHeight() * (int)lines.size());
@ -263,12 +263,12 @@ Rect CMultiLineLabel::getTextLocation()
CLabelGroup::CLabelGroup(EFonts Font, EAlignment Align, const SDL_Color & Color)
: font(Font), align(Align), color(Color)
{
defActions = 255-DISPOSE;
defActions = 255 - DISPOSE;
}
void CLabelGroup::add(int x, int y, const std::string &text)
void CLabelGroup::add(int x, int y, const std::string & text)
{
OBJECT_CONSTRUCTION_CUSTOM_CAPTURING(255-DISPOSE);
OBJECT_CONSTRUCTION_CUSTOM_CAPTURING(255 - DISPOSE);
labels.push_back(std::make_shared<CLabel>(x, y, font, align, color, text));
}
@ -277,11 +277,11 @@ size_t CLabelGroup::currentSize() const
return labels.size();
}
CTextBox::CTextBox(std::string Text, const Rect &rect, int SliderStyle, EFonts Font, EAlignment Align, const SDL_Color &Color):
CTextBox::CTextBox(std::string Text, const Rect & rect, int SliderStyle, EFonts Font, EAlignment Align, const SDL_Color & Color) :
sliderStyle(SliderStyle),
slider(nullptr)
{
OBJECT_CONSTRUCTION_CAPTURING(255-DISPOSE);
OBJECT_CONSTRUCTION_CAPTURING(255 - DISPOSE);
label = std::make_shared<CMultiLineLabel>(rect, Font, Align, Color);
type |= REDRAW_PARENT;
@ -310,7 +310,7 @@ void CTextBox::resize(Point newSize)
setText(label->getText()); // force refresh
}
void CTextBox::setText(const std::string &text)
void CTextBox::setText(const std::string & text)
{
label->pos.w = pos.w; // reset to default before textSize.y check
label->setText(text);
@ -332,9 +332,9 @@ void CTextBox::setText(const std::string &text)
label->pos.w = pos.w - 32;
label->setText(text);
OBJECT_CONSTRUCTION_CUSTOM_CAPTURING(255-DISPOSE);
OBJECT_CONSTRUCTION_CUSTOM_CAPTURING(255 - DISPOSE);
slider = std::make_shared<CSlider>(Point(pos.w - 32, 0), pos.h, std::bind(&CTextBox::sliderMoved, this, _1),
label->pos.h, label->textSize.y, 0, false, CSlider::EStyle(sliderStyle));
label->pos.h, label->textSize.y, 0, false, CSlider::EStyle(sliderStyle));
slider->setScrollStep((int)graphics->fonts[label->font]->getLineHeight());
}
}
@ -364,7 +364,7 @@ CGStatusBar::CGStatusBar(std::shared_ptr<CPicture> background_, EFonts Font, EAl
CGStatusBar::CGStatusBar(int x, int y, std::string name, int maxw)
: CLabel(x, y, FONT_SMALL, CENTER)
{
OBJECT_CONSTRUCTION_CAPTURING(255-DISPOSE);
OBJECT_CONSTRUCTION_CAPTURING(255 - DISPOSE);
background = std::make_shared<CPicture>(name);
pos = background->pos;
@ -391,12 +391,12 @@ void CGStatusBar::init()
Point CGStatusBar::getBorderSize()
{
//Width of borders where text should not be printed
static const Point borderSize(5,1);
static const Point borderSize(5, 1);
switch(alignment)
{
case TOPLEFT: return Point(borderSize.x, borderSize.y);
case CENTER: return Point(pos.w/2, pos.h/2);
case CENTER: return Point(pos.w / 2, pos.h / 2);
case BOTTOMRIGHT: return Point(pos.w - borderSize.x, pos.h - borderSize.y);
}
assert(0);
@ -408,35 +408,43 @@ void CGStatusBar::lock(bool shouldLock)
textLock = shouldLock;
}
CTextInput::CTextInput(const Rect &Pos, EFonts font, const CFunctionList<void(const std::string &)> &CB)
CTextInput::CTextInput(const Rect & Pos, EFonts font, const CFunctionList<void(const std::string &)> & CB)
: CLabel(Pos.x, Pos.y, font, CENTER),
cb(CB)
cb(CB),
CFocusable(std::make_shared<CKeyboardFocusListener>(this))
{
type |= REDRAW_PARENT;
focus = false;
pos.h = Pos.h;
pos.w = Pos.w;
captureAllKeys = true;
background.reset();
addUsedEvents(LCLICK | KEYBOARD | TEXTINPUT);
#ifndef VCMI_ANDROID
giveFocus();
#endif
}
CTextInput::CTextInput(const Rect & Pos, const Point & bgOffset, const std::string & bgName, const CFunctionList<void(const std::string &)> & CB)
:cb(CB)
:cb(CB), CFocusable(std::make_shared<CKeyboardFocusListener>(this))
{
focus = false;
pos += Pos;
pos.h = Pos.h;
pos.w = Pos.w;
captureAllKeys = true;
OBJ_CONSTRUCTION;
background = std::make_shared<CPicture>(bgName, bgOffset.x, bgOffset.y);
addUsedEvents(LCLICK | KEYBOARD | TEXTINPUT);
#ifndef VCMI_ANDROID
giveFocus();
#endif
}
CTextInput::CTextInput(const Rect & Pos, SDL_Surface * srf)
:CFocusable(std::make_shared<CKeyboardFocusListener>(this))
{
focus = false;
pos += Pos;
captureAllKeys = true;
OBJ_CONSTRUCTION;
@ -450,35 +458,48 @@ CTextInput::CTextInput(const Rect & Pos, SDL_Surface * srf)
pos.h = background->pos.h;
background->pos = pos;
addUsedEvents(LCLICK | KEYBOARD | TEXTINPUT);
giveFocus();
}
void CTextInput::focusGot()
{
CSDL_Ext::startTextInput(&pos);
#ifdef VCMI_ANDROID
notifyAndroidTextInputChanged(text);
#ifndef VCMI_ANDROID
giveFocus();
#endif
}
void CTextInput::focusLost()
std::atomic<int> CKeyboardFocusListener::usageIndex(0);
CKeyboardFocusListener::CKeyboardFocusListener(CTextInput * textInput)
:textInput(textInput)
{
CSDL_Ext::stopTextInput();
}
void CKeyboardFocusListener::focusGot()
{
CSDL_Ext::startTextInput(&textInput->pos);
#ifdef VCMI_ANDROID
textInput->notifyAndroidTextInputChanged(textInput->text);
#endif
usageIndex++;
}
void CKeyboardFocusListener::focusLost()
{
if(0 == --usageIndex)
{
CSDL_Ext::stopTextInput();
}
}
std::string CTextInput::visibleText()
{
return focus ? text + newText + "_" : text;
}
void CTextInput::clickLeft( tribool down, bool previousState )
void CTextInput::clickLeft(tribool down, bool previousState)
{
if(down && !focus)
giveFocus();
}
void CTextInput::keyPressed( const SDL_KeyboardEvent & key )
void CTextInput::keyPressed(const SDL_KeyboardEvent & key)
{
if(!focus || key.state != SDL_PRESSED)
@ -513,7 +534,7 @@ void CTextInput::keyPressed( const SDL_KeyboardEvent & key )
break;
}
if (redrawNeeded)
if(redrawNeeded)
{
redraw();
cb(text);
@ -523,7 +544,7 @@ void CTextInput::keyPressed( const SDL_KeyboardEvent & key )
}
}
void CTextInput::setText( const std::string &nText, bool callCb )
void CTextInput::setText(const std::string & nText, bool callCb)
{
CLabel::setText(nText);
if(callCb)
@ -550,8 +571,8 @@ void CTextInput::textInputed(const SDL_TextInputEvent & event)
text += event.text;
filters(text,oldText);
if (text != oldText)
filters(text, oldText);
if(text != oldText)
{
redraw();
cb(text);
@ -570,7 +591,7 @@ void CTextInput::textEdited(const SDL_TextEditingEvent & event)
newText = event.text;
redraw();
cb(text+newText);
cb(text + newText);
#ifdef VCMI_ANDROID
auto editedText = text + newText;
@ -582,7 +603,7 @@ void CTextInput::filenameFilter(std::string & text, const std::string &)
{
static const std::string forbiddenChars = "<>:\"/\\|?*\r\n"; //if we are entering a filename, some special characters won't be allowed
size_t pos;
while ((pos = text.find_first_of(forbiddenChars)) != std::string::npos)
while((pos = text.find_first_of(forbiddenChars)) != std::string::npos)
text.erase(pos, 1);
}
@ -590,16 +611,16 @@ void CTextInput::numberFilter(std::string & text, const std::string & oldText, i
{
assert(minValue < maxValue);
if (text.empty())
if(text.empty())
text = "0";
size_t pos = 0;
if (text[0] == '-') //allow '-' sign as first symbol only
if(text[0] == '-') //allow '-' sign as first symbol only
pos++;
while (pos < text.size())
while(pos < text.size())
{
if (text[pos] < '0' || text[pos] > '9')
if(text[pos] < '0' || text[pos] > '9')
{
text = oldText;
return; //new text is not number.
@ -609,9 +630,9 @@ void CTextInput::numberFilter(std::string & text, const std::string & oldText, i
try
{
int value = boost::lexical_cast<int>(text);
if (value < minValue)
if(value < minValue)
text = boost::lexical_cast<std::string>(minValue);
else if (value > maxValue)
else if(value > maxValue)
text = boost::lexical_cast<std::string>(maxValue);
}
catch(boost::bad_lexical_cast &)
@ -625,7 +646,7 @@ void CTextInput::numberFilter(std::string & text, const std::string & oldText, i
#ifdef VCMI_ANDROID
void CTextInput::notifyAndroidTextInputChanged(std::string & text)
{
if (!focus)
if(!focus)
return;
auto fun = [&text](JNIEnv * env, jclass cls, jmethodID method)
@ -641,6 +662,12 @@ void CTextInput::notifyAndroidTextInputChanged(std::string & text)
#endif //VCMI_ANDROID
CFocusable::CFocusable()
:CFocusable(std::make_shared<IFocusListener>())
{
}
CFocusable::CFocusable(std::shared_ptr<IFocusListener> focusListener)
: focusListener(focusListener)
{
focus = false;
focusables.push_back(this);
@ -648,24 +675,30 @@ CFocusable::CFocusable()
CFocusable::~CFocusable()
{
if(inputWithFocus == this)
if(hasFocus())
{
focusLost();
inputWithFocus = nullptr;
focusListener->focusLost();
}
focusables -= this;
}
bool CFocusable::hasFocus() const
{
return inputWithFocus == this;
}
void CFocusable::giveFocus()
{
focus = true;
focusGot();
focusListener->focusGot();
redraw();
if(inputWithFocus)
{
inputWithFocus->focus = false;
inputWithFocus->focusListener->focusLost();
inputWithFocus->redraw();
}

View File

@ -48,12 +48,12 @@ public:
std::string getText();
virtual void setAutoRedraw(bool option);
virtual void setText(const std::string &Txt);
virtual void setText(const std::string & Txt);
virtual void setColor(const SDL_Color & Color);
size_t getWidth();
CLabel(int x=0, int y=0, EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT,
const SDL_Color &Color = Colors::WHITE, const std::string &Text = "");
CLabel(int x = 0, int y = 0, EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT,
const SDL_Color & Color = Colors::WHITE, const std::string & Text = "");
void showAll(SDL_Surface * to) override; //shows statusbar (with current text)
};
@ -65,8 +65,8 @@ class CLabelGroup : public CIntObject
EAlignment align;
SDL_Color color;
public:
CLabelGroup(EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT, const SDL_Color &Color = Colors::WHITE);
void add(int x=0, int y=0, const std::string &text = "");
CLabelGroup(EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT, const SDL_Color & Color = Colors::WHITE);
void add(int x = 0, int y = 0, const std::string & text = "");
size_t currentSize() const;
};
@ -80,15 +80,15 @@ class CMultiLineLabel : public CLabel
// area of text that actually will be printed, default is widget size
Rect visibleSize;
void splitText(const std::string &Txt, bool redrawAfter);
void splitText(const std::string & Txt, bool redrawAfter);
Rect getTextLocation();
public:
// total size of text, x = longest line of text, y = total height of lines
Point textSize;
CMultiLineLabel(Rect position, EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT, const SDL_Color &Color = Colors::WHITE, const std::string &Text = "");
CMultiLineLabel(Rect position, EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT, const SDL_Color & Color = Colors::WHITE, const std::string & Text = "");
void setText(const std::string &Txt) override;
void setText(const std::string & Txt) override;
void showAll(SDL_Surface * to) override;
void setVisibleSize(Rect visibleSize, bool redrawElement = true);
@ -140,24 +140,50 @@ public:
void lock(bool shouldLock); //If true, current text cannot be changed until lock(false) is called
};
class CFocusable;
class IFocusListener
{
public:
virtual void focusGot() {};
virtual void focusLost() {};
virtual ~IFocusListener() = default;
};
/// UIElement which can get input focus
class CFocusable : public virtual CIntObject
{
protected:
virtual void focusGot(){};
virtual void focusLost(){};
private:
std::shared_ptr<IFocusListener> focusListener;
public:
bool focus; //only one focusable control can have focus at one moment
void giveFocus(); //captures focus
void moveFocus(); //moves focus to next active control (may be used for tab switching)
bool hasFocus() const;
static std::list<CFocusable *> focusables; //all existing objs
static CFocusable * inputWithFocus; //who has focus now
static std::list<CFocusable*> focusables; //all existing objs
static CFocusable *inputWithFocus; //who has focus now
CFocusable();
CFocusable(std::shared_ptr<IFocusListener> focusListener);
~CFocusable();
};
class CTextInput;
class CKeyboardFocusListener : public IFocusListener
{
private:
static std::atomic<int> usageIndex;
CTextInput * textInput;
public:
CKeyboardFocusListener(CTextInput * textInput);
void focusGot() override;
void focusLost() override;
};
/// Text input box where players can enter text
class CTextInput : public CLabel, public CFocusable
{
@ -165,20 +191,17 @@ class CTextInput : public CLabel, public CFocusable
protected:
std::string visibleText() override;
void focusGot() override;
void focusLost() override;
#ifdef VCMI_ANDROID
void notifyAndroidTextInputChanged(std::string & text);
#endif
public:
CFunctionList<void(const std::string &)> cb;
CFunctionList<void(std::string &, const std::string &)> filters;
void setText(const std::string &nText, bool callCb = false);
void setText(const std::string & nText, bool callCb = false);
CTextInput(const Rect &Pos, EFonts font, const CFunctionList<void(const std::string &)> &CB);
CTextInput(const Rect &Pos, const Point &bgOffset, const std::string &bgName, const CFunctionList<void(const std::string &)> &CB);
CTextInput(const Rect &Pos, SDL_Surface *srf = nullptr);
CTextInput(const Rect & Pos, EFonts font, const CFunctionList<void(const std::string &)> & CB);
CTextInput(const Rect & Pos, const Point & bgOffset, const std::string & bgName, const CFunctionList<void(const std::string &)> & CB);
CTextInput(const Rect & Pos, SDL_Surface * srf = nullptr);
void clickLeft(tribool down, bool previousState) override;
void keyPressed(const SDL_KeyboardEvent & key) override;
@ -188,8 +211,10 @@ public:
void textEdited(const SDL_TextEditingEvent & event) override;
//Filter that will block all characters not allowed in filenames
static void filenameFilter(std::string &text, const std::string & oldText);
static void filenameFilter(std::string & text, const std::string & oldText);
//Filter that will allow only input of numbers in range min-max (min-max are allowed)
//min-max should be set via something like std::bind
static void numberFilter(std::string &text, const std::string & oldText, int minValue, int maxValue);
static void numberFilter(std::string & text, const std::string & oldText, int minValue, int maxValue);
friend class CKeyboardFocusListener;
};