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Add support for pinch gesture on palette view

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This commit is contained in:
David Capello 2016-11-14 16:12:11 -03:00
parent a19a834c4d
commit 268cfa3a46
2 changed files with 28 additions and 23 deletions
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47
src/app/ui/palette_view.cpp
View File

@ -186,15 +186,15 @@ app::Color PaletteView::getColorByPosition(const gfx::Point& pos)
int PaletteView::getBoxSize() const
{
return m_boxsize / guiscale();
return int(m_boxsize) / guiscale();
}
void PaletteView::setBoxSize(int boxsize)
void PaletteView::setBoxSize(double boxsize)
{
m_boxsize = MID(4, boxsize, 32)*guiscale();
m_boxsize = MID(4.0, boxsize, 32.0)*guiscale();
if (m_delegate)
m_delegate->onPaletteViewChangeSize(m_boxsize / guiscale());
m_delegate->onPaletteViewChangeSize(int(m_boxsize) / guiscale());
View* view = View::getView(this);
if (view)
@ -411,6 +411,11 @@ bool PaletteView::onProcessMessage(Message* msg)
return true;
}
case kTouchMagnifyMessage: {
setBoxSize(m_boxsize + m_boxsize * static_cast<ui::TouchMessage*>(msg)->magnification());
break;
}
}
return Widget::onProcessMessage(msg);
@ -475,14 +480,14 @@ void PaletteView::onPaint(ui::PaintEvent& ev)
case FgBgColors:
if (fgIndex == i) {
gfx::Color neg = color_utils::blackandwhite_neg(gfxColor);
for (int i=0; i<m_boxsize/2; ++i)
for (int i=0; i<int(m_boxsize/2); ++i)
g->drawHLine(neg, box.x, box.y+i, m_boxsize/2-i);
}
if (bgIndex == i) {
gfx::Color neg = color_utils::blackandwhite_neg(gfxColor);
for (int i=0; i<m_boxsize/4; ++i)
g->drawHLine(neg, box.x+box.w-(i+1), box.y+box.h-m_boxsize/4+i, i+1);
for (int i=0; i<int(m_boxsize/4); ++i)
g->drawHLine(neg, box.x+box.w-(i+1), box.y+box.h-int(m_boxsize/4)+i, i+1);
}
if (transparentIndex == i)
@ -582,7 +587,7 @@ void PaletteView::onResize(ui::ResizeEvent& ev)
if (view) {
int columns =
(view->viewportBounds().w-this->childSpacing()*2)
/ (m_boxsize+this->childSpacing());
/ (int(m_boxsize)+this->childSpacing());
setColumns(MAX(1, columns));
}
m_isUpdatingColumns = false;
@ -602,8 +607,8 @@ void PaletteView::onSizeHint(ui::SizeHintEvent& ev)
}
gfx::Size sz;
sz.w = border().width() + cols*m_boxsize + (cols-1)*childSpacing();
sz.h = border().height() + rows*m_boxsize + (rows-1)*childSpacing();
sz.w = border().width() + cols*int(m_boxsize) + (cols-1)*childSpacing();
sz.h = border().height() + rows*int(m_boxsize) + (rows-1)*childSpacing();
ev.setSizeHint(sz);
}
@ -629,18 +634,18 @@ void PaletteView::update_scroll(int color)
d = div(currentPalette()->size(), m_columns);
cols = m_columns;
y = (m_boxsize+childSpacing()) * (color / cols);
x = (m_boxsize+childSpacing()) * (color % cols);
y = (int(m_boxsize)+childSpacing()) * (color / cols);
x = (int(m_boxsize)+childSpacing()) * (color % cols);
if (scroll.x > x)
scroll.x = x;
else if (scroll.x+vp.w-m_boxsize-2 < x)
scroll.x = x-vp.w+m_boxsize+2;
else if (scroll.x+vp.w-int(m_boxsize)-2 < x)
scroll.x = x-vp.w+int(m_boxsize)+2;
if (scroll.y > y)
scroll.y = y;
else if (scroll.y+vp.h-m_boxsize-2 < y)
scroll.y = y-vp.h+m_boxsize+2;
else if (scroll.y+vp.h-int(m_boxsize)-2 < y)
scroll.y = y-vp.h+int(m_boxsize)+2;
view->setViewScroll(scroll);
}
@ -662,9 +667,9 @@ gfx::Rect PaletteView::getPaletteEntryBounds(int index) const
int row = index / cols;
return gfx::Rect(
bounds.x + border().left() + col*(m_boxsize+childSpacing()),
bounds.y + border().top() + row*(m_boxsize+childSpacing()),
m_boxsize, m_boxsize);
bounds.x + border().left() + col*(int(m_boxsize)+childSpacing()),
bounds.y + border().top() + row*(int(m_boxsize)+childSpacing()),
int(m_boxsize), int(m_boxsize));
}
PaletteView::Hit PaletteView::hitTest(const gfx::Point& pos)
@ -716,8 +721,8 @@ PaletteView::Hit PaletteView::hitTest(const gfx::Point& pos)
}
gfx::Rect box = getPaletteEntryBounds(0);
box.w = (m_boxsize+childSpacing());
box.h = (m_boxsize+childSpacing());
box.w = (int(m_boxsize)+childSpacing());
box.h = (int(m_boxsize)+childSpacing());
int colsLimit = m_columns;
if (m_state == State::DRAGGING_OUTLINE)

4
src/app/ui/palette_view.h
View File

@ -74,7 +74,7 @@ namespace app {
app::Color getColorByPosition(const gfx::Point& pos) override;
int getBoxSize() const;
void setBoxSize(int boxsize);
void setBoxSize(double boxsize);
void clearSelection();
void cutToClipboard();
@ -147,7 +147,7 @@ namespace app {
PaletteViewStyle m_style;
PaletteViewDelegate* m_delegate;
int m_columns;
int m_boxsize;
double m_boxsize;
int m_currentEntry;
int m_rangeAnchor;
doc::PalettePicks m_selectedEntries;