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toolbars.cpp
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/*
* Virtuality Style for Qt4 and Qt5
* Copyright 2009-2014 by Thomas Lübking <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QCache>
#include <QMainWindow>
#include <QToolBar>
#include <QToolButton>
#include "draw.h"
#include "animator/hover.h"
#include "FX.h"
#include <QtDebug>
static int step = 0;
bool
Style::hasMenuIndicator(const QStyleOptionToolButton *tb)
{
// subcontrol requested?
bool ret = (tb->subControls & SC_ToolButtonMenu) || (tb->features & QStyleOptionToolButton::Menu);
// delayed menu?
if (!ret)
ret = (tb->features & (QStyleOptionToolButton::HasMenu | QStyleOptionToolButton::PopupDelay))
== (QStyleOptionToolButton::HasMenu | QStyleOptionToolButton::PopupDelay);
return ret;
}
void
Style::drawToolButton(const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
{
ASSURE_OPTION(toolbutton, ToolButton);
OPT_ENABLED OPT_HOVER
SAVE_PAINTER(Pen|Brush);
QStyleOption tool(*toolbutton);
QWidget *daddy = widget ? widget->parentWidget() : 0L;
const QPalette &pal = daddy ? daddy->palette() : PAL;
// special handling for the tabbar scrollers ------------------------------
if (toolbutton->features & QStyleOptionToolButton::Arrow && qobject_cast<QTabBar*>(daddy)) {
QColor bg = FCOLOR(WindowText), fg = FCOLOR(Window);
painter->setBrush(!isEnabled ? FX::blend(bg, fg, 8,1) : (hover ? FCOLOR(Highlight) : fg));
painter->setPen(Qt::NoPen);
drawArrow(Navi::Direction(toolbutton->arrowType), RECT.adjusted(F(4), F(4), -F(4), -F(4)), painter);
RESTORE_PAINTER
return;
} // --------------------------------------------------------------------
QRect button = subControlRect(CC_ToolButton, toolbutton, SC_ToolButton, widget);
State bflags = toolbutton->state;
if ((bflags & State_AutoRaise) && !hover)
bflags &= ~State_Raised;
if (toolbutton->activeSubControls & SC_ToolButton)
bflags |= State_Sunken;
hover = isEnabled && (bflags & (State_Sunken | State_On | State_Raised | State_HasFocus));
step = Animator::Hover::step(widget);
if (hasMenuIndicator(toolbutton)) {
QRect menuarea = subControlRect(CC_ToolButton, toolbutton, SC_ToolButtonMenu, widget);
painter->setPen(FX::blend(pal.color(QPalette::Window), pal.color(QPalette::WindowText), 12-step, step));
drawSolidArrow(Navi::S, menuarea, painter);
}
// label in the toolbutton area
QStyleOptionToolButton label = *toolbutton;
label.rect = button;
label.palette = pal;
drawToolButtonLabel(&label, painter, widget);
step = 0;
RESTORE_PAINTER
}
void
Style::drawToolButtonLabel(const QStyleOption *option, QPainter *painter, const QWidget *widget) const
{
ASSURE_OPTION(toolbutton, ToolButton);
OPT_ENABLED OPT_SUNKEN
SAVE_PAINTER(Pen|Brush|Alias|Font);
// Arrow type always overrules and is always shown
const bool hasArrow = toolbutton->features & QStyleOptionToolButton::Arrow;
const bool justText = toolbutton->toolButtonStyle == Qt::ToolButtonTextOnly ||
(!hasArrow && toolbutton->icon.isNull() && !toolbutton->text.isEmpty() );
QPalette::ColorRole role = QPalette::WindowText;
QPalette::ColorRole bgRole = QPalette::Window;
bool isTooBar = true;
if (widget) {
const QWidget *dad = widget->parentWidget();
if (dad && !qobject_cast<const QToolBar*>(dad))
isTooBar = false;
const QWidget *w = dad ? dad : widget;
bgRole = w->backgroundRole();
role = w->foregroundRole();
if (role == QPalette::ButtonText && dad && dad->inherits("QMenu")) {
role = QPalette::WindowText; // this is a f**** KMenu Header
step = 0;
}
}
QColor text = PAL.color(role);
if (hasArrow) {
painter->setPen(text);
const int f5 = F(5);
drawSolidArrow(Navi::Direction(toolbutton->arrowType), RECT.adjusted(f5,f5,-f5,-f5), painter);
}
int drawIndicator = 0;
if (option->state & State_On)
drawIndicator = 2;
else if (const QToolButton *btn = qobject_cast<const QToolButton*>(widget)) {
if (btn->isCheckable())
drawIndicator = btn->isChecked() ? 2 : 1;
}
if (drawIndicator) {
if (widget && widget->inherits("Fm::PathButton")) {
QColor c = drawIndicator > 1 ? FCOLOR(Highlight) : FX::blend(COLOR(bgRole), COLOR(role), 2, 1);
painter->setPen(QPen(c, 0.5));
// painter->setPen(Qt::NoPen);
painter->setBrush(c);
QRect r = RECT;
Navi::Direction dir = Navi::E;
if (option->direction == Qt::RightToLeft) {
r.setRight(r.left() + F(8));
dir = Navi::W;
} else {
r.setLeft(r.right() - F(8));
}
drawSolidArrow(dir, r, painter);
} else {
if (drawIndicator > 1) {
painter->setPen(QPen(COLOR(role), 0.5));
painter->setBrush(FCOLOR(Highlight));
} else {
painter->setPen(QPen(FX::blend(COLOR(bgRole), COLOR(role), 2, 1), F(1)));
painter->setBrush(Qt::NoBrush);
}
QRect r(RECT.right()-F(6),RECT.y()+F(1),F(5),F(5));
painter->setRenderHint(QPainter::Antialiasing, true);
painter->drawEllipse(r);
}
}
if (justText) { // the most simple way
text = FX::blend(text, FCOLOR(Link), Animator::Hover::maxSteps()-step, step);
if (sunken) {
QFont fnt(painter->font());
if (fnt.pointSizeF() > 0.0) {
fnt.setPointSizeF(0.85*fnt.pointSizeF());
painter->setFont(fnt);
}
}
painter->setPen(text);
drawItemText(painter, RECT, Qt::AlignCenter | BESPIN_MNEMONIC, PAL, isEnabled, toolbutton->text);
RESTORE_PAINTER
return;
}
QPixmap pm;
QSize pmSize = RECT.size() - QSize(F(4), F(4));
pmSize = pmSize.boundedTo(toolbutton->iconSize);
pmSize.setWidth(qMin(pmSize.width(), pmSize.height()));
pmSize.setHeight(pmSize.width());
if (!toolbutton->icon.isNull()) {
const int style = config.btn.tool.disabledStyle;
// const QIcon::State state = toolbutton->state & State_On ? QIcon::On : QIcon::Off;
pm = toolbutton->icon.pixmap(RECT.size().boundedTo(pmSize), isEnabled || style ? QIcon::Normal : QIcon::Disabled, QIcon::Off);
if (isTooBar && true) {
static QCache<qint64, QPixmap> iconCache(64);
QPixmap *pix = iconCache[pm.cacheKey()];
if (!pix) {
pix = new QPixmap(FX::tintedIcon(pm, 1, 1, text));
iconCache.insert(pm.cacheKey(), pix);
}
pm = *pix;
}
#if 0 // this is -in a way- the way it should be done..., but KIconLoader gives a shit on this or anything else
if (!isEnabled)
pm = generatedIconPixmap(QIcon::Disabled, pm, toolbutton);
#else
if (!isEnabled && style) {
QImage img(pm.width() + F(4), pm.height() + F(4), QImage::Format_ARGB32);
img.fill(Qt::transparent);
QPainter p(&img);
if (style > 1) { // blurring
p.setOpacity(0.5);
p.drawImage(F(3),F(3), pm.toImage().scaled(pm.size() - QSize(F(2),F(2)), Qt::KeepAspectRatio, Qt::SmoothTransformation));
p.end();
FX::expblur(img, F(3));
}
else { // desaturation (like def. Qt but with a little transparency)
p.setOpacity(0.7);
p.drawImage(F(2), F(2), pm.toImage());
p.end();
FX::desaturate(img, COLOR(bgRole));
}
pm = QPixmap::fromImage(img);
}
#endif
else if (step && !(sunken || pm.isNull()))
pm = FX::tintedIcon(pm, step, Animator::Hover::maxSteps(), FCOLOR(Highlight));
// pm = FX::scaledIcon(pm, step, Animator::Hover::maxSteps(), F(2));
pmSize = pm.size();
}
if (!(toolbutton->text.isEmpty() || toolbutton->toolButtonStyle == Qt::ToolButtonIconOnly)) {
if (pm.isNull())
text = FX::blend(text, FCOLOR(Link), Animator::Hover::maxSteps()-step, step);
painter->setPen(text);
painter->setFont(toolbutton->font);
QRect pr = RECT, tr = RECT;
int alignment = BESPIN_MNEMONIC;
if (toolbutton->toolButtonStyle == Qt::ToolButtonTextUnderIcon) {
int fh = painter->fontMetrics().height();
pr.adjust(0, 0, 0, -fh - F(2));
tr.adjust(0, pr.bottom(), 0, -F(3));
if (!hasArrow)
drawItemPixmap(painter, pr, Qt::AlignCenter, pm);
else
drawSolidArrow(Navi::S, pr, painter);
alignment |= Qt::AlignCenter;
} else {
pr.setWidth(toolbutton->iconSize.width() + F(4));
if (!hasArrow)
drawItemPixmap(painter, pr, Qt::AlignCenter, pm);
else
drawSolidArrow(Navi::S, pr, painter);
tr.adjust(pr.width() + F(4), 0, 0, 0);
alignment |= Qt::AlignLeft | Qt::AlignVCenter;
}
drawItemText(painter, tr, alignment, PAL, isEnabled, toolbutton->text);
RESTORE_PAINTER
return;
}
RESTORE_PAINTER
if (!hasArrow) {
drawItemPixmap(painter, RECT, Qt::AlignCenter, pm);
}
}