void KeyWidget::paintEvent(QPaintEvent*){
const QColor bgColor(68, 64, 64);
const QColor keyColor(112, 110, 110);
const QColor highlightColor(136, 176, 240);
const QColor highlightAnimColor(136, 200, 240);
const QColor animColor(112, 200, 110);
uint count = keyMap.count();
// Determine which keys to highlight
QBitArray highlight;
switch(mouseDownMode){
case SET:
highlight = newSelection;
break;
case ADD:
highlight = selection | newSelection;
break;
case SUBTRACT:
highlight = selection & ~newSelection;
break;
case TOGGLE:
highlight = selection ^ newSelection;
break;
default:
highlight = selection;
}
QPainter painter(this);
#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
int ratio = painter.device()->devicePixelRatio();
#else
int ratio = 1;
#endif
float xScale = (float)width() / (keyMap.width() + KEY_SIZE) * ratio;
float yScale = (float)height() / (keyMap.height() + KEY_SIZE) * ratio;
// Draw background
painter.setPen(Qt::NoPen);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setBrush(QBrush(bgColor));
painter.drawRect(0, 0, width(), height());
// Draw mouse highlight (if any)
if(mouseDownMode != NONE && (mouseDownX != mouseCurrentX || mouseDownY != mouseCurrentY)){
int x1 = (mouseDownX > mouseCurrentX) ? mouseCurrentX : mouseDownX;
int x2 = (mouseDownX > mouseCurrentX) ? mouseDownX : mouseCurrentX;
int y1 = (mouseDownY > mouseCurrentY) ? mouseCurrentY : mouseDownY;
int y2 = (mouseDownY > mouseCurrentY) ? mouseDownY : mouseCurrentY;
painter.setPen(QPen(highlightColor, 0.5));
QColor bColor = highlightColor;
bColor.setAlpha(128);
painter.setBrush(QBrush(bColor));
painter.drawRect(x1, y1, x2 - x1, y2 - y1);
}
// Draw key backgrounds on a separate pixmap so that a drop shadow can be applied to them.
int wWidth = width(), wHeight = height();
KeyMap::Model model = keyMap.model();
QPixmap keyBG(wWidth * ratio, wHeight * ratio);
keyBG.fill(QColor(0, 0, 0, 0));
QPainter bgPainter(&keyBG);
bgPainter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
bgPainter.setPen(Qt::NoPen);
for(uint i = 0; i < count; i++){
const KeyPos& key = *keyMap.key(i);
float x = key.x + 6.f - key.width / 2.f + 1.f;
float y = key.y + 6.f - key.height / 2.f + 1.f;
float w = key.width - 2.f;
float h = key.height - 2.f;
// In RGB mode, ignore volume wheel on K70/K95
if(model != KeyMap::K65 && _rgbMode && (!strcmp(key.name, "volup") || !strcmp(key.name, "voldn")))
continue;
// Set color based on key highlight
if(highlight.testBit(i)){
if(animation.testBit(i))
bgPainter.setBrush(QBrush(highlightAnimColor));
else
bgPainter.setBrush(QBrush(highlightColor));
} else if(animation.testBit(i))
bgPainter.setBrush(QBrush(animColor));
else
bgPainter.setBrush(QBrush(keyColor));
if(!strcmp(key.name, "mr") || !strcmp(key.name, "m1") || !strcmp(key.name, "m2") || !strcmp(key.name, "m3")
|| !strcmp(key.name, "light") || !strcmp(key.name, "lock") || (model == KeyMap::K65 && !strcmp(key.name, "mute"))){
// Switch keys are circular
x += w / 8.f;
y += h / 8.f;
w *= 0.75f;
h *= 0.75f;
bgPainter.drawEllipse(QRectF(x * xScale, y * yScale, w * xScale, h * yScale));
} else {
if(!strcmp(key.name, "enter")){
if(key.height == 24){
// ISO enter key isn't rectangular
y = key.y + 1.f;
h = 10.f;
bgPainter.drawRect(QRectF((x + w - 13.f) * xScale, y * yScale, 13.f * xScale, 22.f * yScale));
} else {
// US enter key isn't perfectly centered, needs an extra pixel on the left to appear correctly
x -= 1.f;
w += 1.f;
}
} else if(!strcmp(key.name, "rshift") || !strcmp(key.name, "stop")){
// A few other keys also need extra pixels
x -= 1.f;
w += 1.f;
} else if(!strcmp(key.name, "caps") || !strcmp(key.name, "lshift") || !strcmp(key.name, "next")){
w += 1.f;
}
bgPainter.drawRect(QRectF(x * xScale, y * yScale, w * xScale, h * yScale));
}
}
// Render the key decorations (RGB -> light circles, binding -> key names) on yet another layer
QPixmap decoration(wWidth * ratio, wHeight * ratio);
decoration.fill(QColor(0, 0, 0, 0));
QPainter decPainter(&decoration);
decPainter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
if(_rgbMode){
// Draw key colors (RGB mode)
decPainter.setPen(QPen(QColor(255, 255, 255), 1.5));
for(uint i = 0; i < count; i++){
const KeyPos& key = *keyMap.key(i);
if(model != KeyMap::K65 && _rgbMode && (!strcmp(key.name, "volup") || !strcmp(key.name, "voldn")))
continue;
float x = key.x + 6.f - 1.8f;
float y = key.y + 6.f - 1.8f;
float w = 3.6f;
float h = 3.6f;
decPainter.setBrush(QBrush(_colorMap[key.name]));
decPainter.drawEllipse(QRectF(x * xScale, y * yScale, w * xScale, h * yScale));
}
} else {
// Draw key names
decPainter.setBrush(Qt::NoBrush);
QFont font = painter.font();
font.setBold(true);
font.setPixelSize(5.25f * yScale);
QFont font0 = font;
for(uint i = 0; i < count; i++){
const KeyPos& key = *keyMap.key(i);
float x = key.x + 6.f - key.width / 2.f + 1.f;
float y = key.y + 6.f - key.height / 2.f;
float w = key.width - 2.f;
float h = key.height;
// Print the key's friendly name (with some exceptions)
QString keyName = KbBind::globalRemap(key.name);
QString name = key.friendlyName(false);
name = name.split(" ").last();
struct _names {
const char* keyName, *displayName;
};
_names names[] = {
{"light", "☼"}, {"lock", "☒"}, {"mute", "◖⊘"}, {"volup", keyMap.model() == KeyMap::K65 ? "◖))" : "▲"}, {"voldn", keyMap.model() == KeyMap::K65 ? "◖)" : "▼"},
{"prtscn", "PrtScn\nSysRq"}, {"scroll", "Scroll\nLock"}, {"pause", "Pause\nBreak"}, {"stop", "▪"}, {"prev", "|◂◂"}, {"play", "▸||"}, {"next", "▸▸|"},
{"pgup", "Page\nUp"}, {"pgdn", "Page\nDown"}, {"numlock", "Num\nLock"},
{"caps", "Caps"}, {"lshift", "Shift"}, {"rshift", "Shift"},
#ifdef Q_OS_MACX
{"lctrl", "⌃"}, {"rctrl", "⌃"}, {"lwin", "⌘"}, {"rwin", "⌘"}, {"lalt", "⌥"}, {"ralt", "⌥"},
#else
{"lctrl", "Ctrl"}, {"rctrl", "Ctrl"}, {"lwin", "❖"}, {"rwin", "❖"}, {"lalt", "Alt"}, {"ralt", "Alt"},
#endif
{"rmenu", "▤"}, {"up", "▲"}, {"left", "◀"}, {"down", "▼"}, {"right", "▶"}
};
for(uint k = 0; k < sizeof(names) / sizeof(_names); k++){
if(keyName == names[k].keyName){
name = names[k].displayName;
break;
}
}
if(keyName == "mr" || keyName == "m1" || keyName == "m2" || keyName == "m3" || keyName == "up" || keyName == "down" || keyName == "left" || keyName == "right")
// Use a smaller size for MR, M1 - M3, and arrow keys
font.setPixelSize(font.pixelSize() * 0.75);
else if(keyName == "end")
// Use a smaller size for "End" to match everything else in that area
font.setPixelSize(font.pixelSize() * 0.65);
else if(keyName == "light"
#ifndef Q_OS_MACX
|| keyName == "lwin" || keyName == "rwin"
#endif
)
// Use a larger font size for Win and Brightness to compensate for the unicode symbols looking smaller (Linux only)
font.setPixelSize(font.pixelSize() * 1.3);
// Determine the appropriate size to draw the text at
decPainter.setFont(font);
QRectF rect(x * xScale, y * yScale - 1, w * xScale, h * yScale);
int flags = Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextWordWrap;
QRectF bounds = decPainter.boundingRect(rect, flags, name);
while((bounds.height() >= rect.height() - 8. || bounds.width() >= rect.width() - 2.) && font.pixelSize() >= 5){
// Scale font size down until it fits inside the key
font.setPixelSize(font.pixelSize() - 2);
decPainter.setFont(font);
bounds = decPainter.boundingRect(rect, flags, name);
}
// Pick color based on key function
QString bind = _bindMap.value(key.name);
QString def = KbBind::defaultAction(key.name);
if(bind.isEmpty())
// Unbound - red
decPainter.setPen(QColor(255, 136, 136));
else if(KbBind::isProgram(bind))
// Custom program - orange
decPainter.setPen(QColor(255, 224, 192));
else if(KbBind::isSpecial(bind) && (bind == def || !KbBind::isSpecial(def)))
// Special function - blue (only if not mapped to a different function - if a special function is remapped, color it yellow)
decPainter.setPen(QColor(128, 224, 255));
else if(KbBind::isMedia(bind) && (bind == def || !KbBind::isMedia(def)))
// Media key - green
decPainter.setPen(QColor(160, 255, 168));
else if(bind == def)
// Standard key - white
decPainter.setPen(QColor(255, 255, 255));
else
// Remapped key - yellow
decPainter.setPen(QColor(255, 248, 128));
decPainter.drawText(rect, flags, name);
font = font0;
}
}
// Create drop shadow effects
QGraphicsDropShadowEffect* bgEffect = new QGraphicsDropShadowEffect; // Have to use "new", creating these on the stack causes a crash...
bgEffect->setBlurRadius(2.);
bgEffect->setColor(QColor(0, 0, 0, 32));
bgEffect->setOffset(0, 1);
QGraphicsDropShadowEffect* decEffect = new QGraphicsDropShadowEffect;
decEffect->setBlurRadius(4.);
decEffect->setColor(QColor(0, 0, 0, 104));
decEffect->setOffset(0, 1);
// Apply them to the pixmaps
QGraphicsPixmapItem* bgItem = new QGraphicsPixmapItem(keyBG);
bgItem->setGraphicsEffect(bgEffect);
QGraphicsPixmapItem* decItem = new QGraphicsPixmapItem(decoration);
decItem->setGraphicsEffect(decEffect);
// Render everything
QGraphicsScene* scene = new QGraphicsScene;
scene->addItem(bgItem);
scene->addItem(decItem);
// It has to be rendered onto yet another pixmap or else DPI scaling will look terrible...
QPixmap final(wWidth * ratio, wHeight * ratio);
final.fill(QColor(0, 0, 0, 0));
void KeyWidget::paintEvent(QPaintEvent*){
const QColor bgColor(68, 64, 64);
const QColor keyColor(112, 110, 110);
const QColor sniperColor(130, 90, 90);
const QColor highlightColor(136, 176, 240);
const QColor highlightAnimColor(136, 200, 240);
const QColor animColor(112, 200, 110);
// Determine which keys to highlight
QBitArray highlight;
switch(mouseDownMode){
case SET:
highlight = newSelection;
break;
case ADD:
highlight = selection | newSelection;
break;
case SUBTRACT:
highlight = selection & ~newSelection;
break;
case TOGGLE:
highlight = selection ^ newSelection;
break;
default:
highlight = selection;
}
QPainter painter(this);
#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
int ratio = painter.device()->devicePixelRatio();
#else
int ratio = 1;
#endif
int wWidth = width(), wHeight = height();
KeyMap::Model model = keyMap.model();
float scale, offX, offY;
drawInfo(scale, offX, offY);
// Draw background
painter.setPen(Qt::NoPen);
painter.setRenderHint(QPainter::Antialiasing, true);
if(model == KeyMap::M65){
// M65: Draw overlay
if(!m65Overlay)
m65Overlay = new QImage(":/img/overlay_m65.png");
const QImage& overlay = *m65Overlay;
painter.setBrush(palette().brush(QPalette::Window));
painter.drawRect(0, 0, width(), height());
float oXScale = scale / 9.f, oYScale = scale / 9.f; // The overlay has a resolution of 9px per keymap unit
float x = (2.f + offX) * scale, y = (-2.f + offY) * scale; // It is positioned at (2, -2)
int w = overlay.width() * oXScale, h = overlay.height() * oYScale;
// We need to transform the image with QImage::scaled() because painter.drawImage() will butcher it, even with smoothing enabled
// However, the width/height need to be rounded to integers
int iW = round(w), iH = round(h);
painter.drawImage(QRectF(x - (iW - w) / 2.f, y - (iH - h) / 2.f, iW, iH), overlay.scaled(iW, iH, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
} else {
// Otherwise, draw a solid background
painter.setBrush(QBrush(bgColor));
painter.drawRect(0, 0, width(), height());
}
// Draw mouse highlight (if any)
if(mouseDownMode != NONE && (mouseDownX != mouseCurrentX || mouseDownY != mouseCurrentY)){
int x1 = (mouseDownX > mouseCurrentX) ? mouseCurrentX : mouseDownX;
int x2 = (mouseDownX > mouseCurrentX) ? mouseDownX : mouseCurrentX;
int y1 = (mouseDownY > mouseCurrentY) ? mouseCurrentY : mouseDownY;
int y2 = (mouseDownY > mouseCurrentY) ? mouseDownY : mouseCurrentY;
painter.setPen(QPen(highlightColor, 0.5));
QColor bColor = highlightColor;
bColor.setAlpha(128);
painter.setBrush(QBrush(bColor));
painter.drawRect(x1, y1, x2 - x1, y2 - y1);
}
// Draw key backgrounds on a separate pixmap so that a drop shadow can be applied to them.
QPixmap keyBG(wWidth * ratio, wHeight * ratio);
keyBG.fill(QColor(0, 0, 0, 0));
QPainter bgPainter(&keyBG);
bgPainter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
bgPainter.setPen(Qt::NoPen);
QHashIterator<QString, Key> k(keyMap);
uint i = -1;
while(k.hasNext()){
k.next();
i++;
const Key& key = k.value();
float x = key.x + offX - key.width / 2.f + 1.f;
float y = key.y + offY - key.height / 2.f + 1.f;
float w = key.width - 2.f;
float h = key.height - 2.f;
// In RGB mode, ignore keys without LEDs
if((_rgbMode && !key.hasLed)
|| (!_rgbMode && !key.hasScan))
continue;
// Set color based on key highlight
bgPainter.setOpacity(1.);
if(highlight.testBit(i)){
if(animation.testBit(i))
bgPainter.setBrush(QBrush(highlightAnimColor));
else
bgPainter.setBrush(QBrush(highlightColor));
} else if(animation.testBit(i)){
bgPainter.setBrush(QBrush(animColor));
} else {
if(!strcmp(key.name, "sniper"))
// Sniper key uses a reddish base color instead of the usual grey
bgPainter.setBrush(QBrush(sniperColor));
else {
bgPainter.setBrush(QBrush(keyColor));
if(KeyMap::isMouse(model))
bgPainter.setOpacity(0.7);
}
}
if(!strcmp(key.name, "mr") || !strcmp(key.name, "m1") || !strcmp(key.name, "m2") || !strcmp(key.name, "m3")
|| !strcmp(key.name, "light") || !strcmp(key.name, "lock") || (model == KeyMap::K65 && !strcmp(key.name, "mute"))){
// Switch keys are circular
x += w / 8.f;
y += h / 8.f;
w *= 0.75f;
h *= 0.75f;
bgPainter.drawEllipse(QRectF(x * scale, y * scale, w * scale, h * scale));
} else {
if(!strcmp(key.name, "enter")){
if(key.height == 24){
// ISO enter key isn't rectangular
y = key.y + 1.f;
h = 10.f;
bgPainter.drawRect(QRectF((x + w - 13.f) * scale, y * scale, 13.f * scale, 22.f * scale));
} else {
// US enter key isn't perfectly centered, needs an extra pixel on the left to appear correctly
x -= 1.f;
w += 1.f;
}
} else if(!strcmp(key.name, "rshift") || !strcmp(key.name, "stop")){
// A few other keys also need extra pixels
x -= 1.f;
w += 1.f;
} else if(!strcmp(key.name, "caps") || !strcmp(key.name, "lshift") || !strcmp(key.name, "next")){
w += 1.f;
}
bgPainter.drawRect(QRectF(x * scale, y * scale, w * scale, h * scale));
}
}
// Render the key decorations (RGB -> light circles, binding -> key names) on yet another layer
QPixmap decoration(wWidth * ratio, wHeight * ratio);
decoration.fill(QColor(0, 0, 0, 0));
QPainter decPainter(&decoration);
decPainter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
if(_rgbMode){
// Draw key colors (RGB mode)
decPainter.setPen(QPen(QColor(255, 255, 255), 1.5));
QHashIterator<QString, Key> k(keyMap);
uint i = -1;
while(k.hasNext()){
k.next();
i++;
const Key& key = k.value();
if(!key.hasLed)
continue;
float x = key.x + offX - 1.8f;
float y = key.y + offY - 1.8f;
float w = 3.6f;
float h = 3.6f;
if(_displayColorMap.contains(key.name))
decPainter.setBrush(QBrush(_displayColorMap.value(key.name)));
else
decPainter.setBrush(QBrush(_colorMap.value(key.name)));
decPainter.drawEllipse(QRectF(x * scale, y * scale, w * scale, h * scale));
}
} else {
// Draw key names
decPainter.setBrush(Qt::NoBrush);
QFont font = painter.font();
font.setBold(true);
font.setPixelSize(5.25f * scale);
QFont font0 = font;
QHashIterator<QString, Key> k(keyMap);
uint i = -1;
while(k.hasNext()){
k.next();
i++;
const Key& key = k.value();
if(!key.hasScan)
continue;
float x = key.x + offX - key.width / 2.f + 1.f;
float y = key.y + offY - key.height / 2.f;
float w = key.width - 2.f;
float h = key.height;
// Print the key's friendly name (with some exceptions)
QString keyName = KbBind::globalRemap(key.name);
QString name = key.friendlyName(false);
name = name.split(" ").last();
struct {
const char* keyName, *displayName;
} names[] = {
{"light", "☼"}, {"lock", "☒"}, {"mute", "◖⊘"}, {"volup", keyMap.model() == KeyMap::K65 ? "◖))" : "▲"}, {"voldn", keyMap.model() == KeyMap::K65 ? "◖)" : "▼"},
{"prtscn", "PrtScn\nSysRq"}, {"scroll", "Scroll\nLock"}, {"pause", "Pause\nBreak"}, {"stop", "▪"}, {"prev", "|◂◂"}, {"play", "▸||"}, {"next", "▸▸|"},
{"pgup", "Page\nUp"}, {"pgdn", "Page\nDown"}, {"numlock", "Num\nLock"},
{"caps", "Caps"}, {"lshift", "Shift"}, {"rshift", "Shift"},
#ifdef Q_OS_MACX
{"lctrl", "⌃"}, {"rctrl", "⌃"}, {"lwin", "⌘"}, {"rwin", "⌘"}, {"lalt", "⌥"}, {"ralt", "⌥"},
#else
{"lctrl", "Ctrl"}, {"rctrl", "Ctrl"}, {"lwin", "❖"}, {"rwin", "❖"}, {"lalt", "Alt"}, {"ralt", "Alt"},
#endif
{"rmenu", "▤"}, {"up", "▲"}, {"left", "◀"}, {"down", "▼"}, {"right", "▶"},
{"mouse1", ""}, {"mouse2", ""}, {"mouse3", "∙"}, {"dpiup", "▲"}, {"dpidn", "▼"}, {"wheelup", "▲"}, {"wheeldn", "▼"}, {"dpi", "◉"}, {"mouse5", "▲"}, {"mouse4", "▼"}, {"sniper", "⊕"}
};
for(uint k = 0; k < sizeof(names) / sizeof(names[0]); k++){
if(keyName == names[k].keyName){
name = names[k].displayName;
break;
}
}
if(keyName == "mr" || keyName == "m1" || keyName == "m2" || keyName == "m3" || keyName == "up" || keyName == "down" || keyName == "left" || keyName == "right")
// Use a smaller size for MR, M1 - M3, and arrow keys
font.setPixelSize(font.pixelSize() * 0.75);
else if(keyName == "end")
// Use a smaller size for "End" to match everything else in that area
font.setPixelSize(font.pixelSize() * 0.65);
else if(keyName == "light"
#ifndef Q_OS_MACX
|| keyName == "lwin" || keyName == "rwin"
#endif
)
// Use a larger font size for Super (Linux only) and Brightness to compensate for the unicode symbols looking smaller
font.setPixelSize(font.pixelSize() * 1.3);
// Determine the appropriate size to draw the text at
decPainter.setFont(font);
QRectF rect(x * scale, y * scale - 1, w * scale, h * scale);
int flags = Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextWordWrap;
QRectF bounds = decPainter.boundingRect(rect, flags, name);
while((bounds.height() >= rect.height() - 8. || bounds.width() >= rect.width() - 2.) && font.pixelSize() >= 5){
// Scale font size down until it fits inside the key
font.setPixelSize(font.pixelSize() - 2);
decPainter.setFont(font);
bounds = decPainter.boundingRect(rect, flags, name);
}
// Pick color based on key function
QString bind = _bindMap.value(key.name);
QString def = KbBind::defaultAction(key.name);
if(bind.isEmpty())
// Unbound - red
decPainter.setPen(QColor(255, 136, 136));
else if(KeyAction(bind).isProgram())
// Custom program - orange
decPainter.setPen(QColor(255, 224, 192));
else if(KeyAction(bind).isSpecial() && (bind == def || !KeyAction(def).isSpecial()))
// Special function - blue (only if not mapped to a different function - if a special function is remapped, color it yellow)
decPainter.setPen(QColor(128, 224, 255));
else if(KeyAction(bind).isMedia() && (bind == def || !KeyAction(def).isMedia()))
// Media key - green
decPainter.setPen(QColor(160, 255, 168));
else if(bind == def)
// Standard key - white
decPainter.setPen(QColor(255, 255, 255));
else
// Remapped key - yellow
decPainter.setPen(QColor(255, 248, 128));
decPainter.drawText(rect, flags, name);
font = font0;
}
}
// Create drop shadow effects
QGraphicsDropShadowEffect* bgEffect = new QGraphicsDropShadowEffect; // Have to use "new", creating these on the stack causes a crash...
bgEffect->setBlurRadius(2.);
bgEffect->setColor(QColor(0, 0, 0, 32));
bgEffect->setOffset(0, 1);
QGraphicsDropShadowEffect* decEffect = new QGraphicsDropShadowEffect;
decEffect->setBlurRadius(4.);
decEffect->setColor(QColor(0, 0, 0, 104));
decEffect->setOffset(0, 1);
// Apply them to the pixmaps
QGraphicsPixmapItem* bgItem = new QGraphicsPixmapItem(keyBG);
bgItem->setGraphicsEffect(bgEffect);
QGraphicsPixmapItem* decItem = new QGraphicsPixmapItem(decoration);
decItem->setGraphicsEffect(decEffect);
// Render everything
QGraphicsScene* scene = new QGraphicsScene;
scene->addItem(bgItem);
scene->addItem(decItem);
// It has to be rendered onto yet another pixmap or else DPI scaling will look terrible...
QPixmap final(wWidth * ratio, wHeight * ratio);
final.fill(QColor(0, 0, 0, 0));
