bool Fl_Slider::draw(int ix, int iy, int iw, int ih, Fl_Flags flags, bool slot)
{
// for back compatability, use type flag to set slider size:
if (type()&FILL) slider_size(0);
// if user directly set selected_color we use it:
if (style()->selection_color) flags.set(FL_SELECTED);
// figure out where the slider should be:
int sx = ix, sy = iy, sw = iw, sh = ih;
int sp;
if (horizontal())
{
sx = sp = ix+slider_position(value(),iw);
sw = slider_size_;
if (!sw) // fill slider
{
sw = sx-ix; sx = ix;
}
}
else
{
sy = sp = iy+slider_position(value(),ih);
sh = slider_size_;
if (!sh) sh = iy+ih-sy; // fill slider
}
if (damage()&FL_DAMAGE_ALL)
{
fl_push_clip(0, 0, w(), h());
// draw the slider
draw_glyph(0, sx, sy, sw, sh, flags);
// clip out the area of the slider
fl_clip_out(sx, sy, sw, sh);
}
else if (sp != old_position)
{
// update a moving slider:
// draw slider in new position
draw_glyph(0, sx, sy, sw, sh, flags);
// clip to the region the old slider was in:
if (horizontal())
{
if (slider_size_) fl_push_clip(old_position, sy, sw, sh);
else fl_push_clip(ix, iy, old_position, ih);
}
else
{
if (slider_size_) fl_push_clip(sx, old_position, sw, sh);
else fl_push_clip(ix, old_position, iw, iy+ih-old_position);
}
// don't erase new slider
fl_clip_out(sx, sy, sw, sh);
}
else
{
// update for the highlight turning on/off
if (damage() & FL_DAMAGE_HIGHLIGHT) draw_glyph(0, sx, sy, sw, sh, flags);
// otherwise no changes
return false;
}
old_position = sp;
// we draw a slot if it seems the box has no border:
if (slot)
{
const int slot_size_ = 6;
int slx, sly, slw, slh;
int dx = (slider_size_-slot_size_)/2; if (dx < 0) dx = 0;
if (horizontal())
{
slx = dx;
slw = iw-2*dx;
slx += ix;
sly = iy+(ih-slot_size_+1)/2;
slh = slot_size_;
}
else
{
sly = dx;
slh = ih-2*dx;
sly += iy;
slx = ix+(iw-slot_size_+1)/2;
slw = slot_size_;
}
button_box()->draw(slx, sly, slw, slh, FL_BLACK,
flags&FL_INACTIVE|FL_VALUE);
fl_clip_out(slx, sly, slw, slh);
}
return true;
}
void colour_picker_dialog::init()
{
scoped_units su(static_cast<framed_widget&>(*this), UnitsPixels);
static const std::set<colour> sBasicColours
{
colour::AliceBlue, colour::AntiqueWhite, colour::Aquamarine, colour::Azure, colour::Beige, colour::Bisque, colour::Black, colour::BlanchedAlmond,
colour::Blue, colour::BlueViolet, colour::Brown, colour::Burlywood, colour::CadetBlue, colour::Chartreuse, colour::Chocolate, colour::Coral,
colour::CornflowerBlue, colour::Cornsilk, colour::Cyan, colour::DarkBlue, colour::DarkCyan, colour::DarkGoldenrod, colour::DarkGray, colour::DarkGreen,
colour::DarkKhaki, colour::DarkMagenta, colour::DarkOliveGreen, colour::DarkOrange, colour::DarkOrchid, colour::DarkRed, colour::DarkSalmon,
colour::DarkSeaGreen, colour::DarkSlateBlue, colour::DarkSlateGray, colour::DarkTurquoise, colour::DarkViolet, colour::DebianRed, colour::DeepPink,
colour::DeepSkyBlue, colour::DimGray, colour::DodgerBlue, colour::Firebrick, colour::FloralWhite, colour::ForestGreen, colour::Gainsboro,
colour::GhostWhite, colour::Gold, colour::Goldenrod, colour::Gray, colour::Green, colour::GreenYellow, colour::Honeydew, colour::HotPink,
colour::IndianRed, colour::Ivory, colour::Khaki, colour::Lavender, colour::LavenderBlush, colour::LawnGreen, colour::LemonChiffon, colour::LightBlue,
colour::LightCoral, colour::LightCyan, colour::LightGoldenrod, colour::LightGoldenrodYellow, colour::LightGray, colour::LightGreen, colour::LightPink,
colour::LightSalmon, colour::LightSeaGreen, colour::LightSkyBlue, colour::LightSlateBlue, colour::LightSlateGray, colour::LightSteelBlue,
colour::LightYellow, colour::LimeGreen, colour::Linen, colour::Magenta, colour::Maroon, colour::MediumAquamarine, colour::MediumBlue, colour::MediumOrchid,
colour::MediumPurple, colour::MediumSeaGreen, colour::MediumSlateBlue, colour::MediumSpringGreen, colour::MediumTurquoise, colour::MediumVioletRed,
colour::MidnightBlue, colour::MintCream, colour::MistyRose, colour::Moccasin, colour::NavajoWhite, colour::Navy, colour::NavyBlue, colour::OldLace,
colour::OliveDrab, colour::Orange, colour::OrangeRed, colour::Orchid, colour::PaleGoldenrod, colour::PaleGreen, colour::PaleTurquoise, colour::PaleVioletRed,
colour::PapayaWhip, colour::PeachPuff, colour::Peru, colour::Pink, colour::Plum, colour::PowderBlue, colour::Purple, colour::Red, colour::RosyBrown,
colour::RoyalBlue, colour::SaddleBrown, colour::Salmon, colour::SandyBrown, colour::SeaGreen, colour::Seashell, colour::Sienna, colour::SkyBlue,
colour::SlateBlue, colour::SlateGray, colour::Snow, colour::SpringGreen, colour::SteelBlue, colour::Tan, colour::Thistle, colour::Tomato,
colour::Turquoise, colour::Violet, colour::VioletRed, colour::Wheat, colour::White, colour::WhiteSmoke, colour::Yellow, colour::YellowGreen
};
set_margins(neogfx::margins{16.0});
iLayout.set_margins(neogfx::margins{});
iLayout.set_spacing(16.0);
iLayout2.set_margins(neogfx::margins{});
iLayout2.set_spacing(16.0);
iRightLayout.set_spacing(16.0);
iRightTopLayout.set_spacing(16.0);
iRightBottomLayout.set_spacing(8.0);
iChannelLayout.set_spacing(8.0);
iH.first.label().text().set_text("&Hue:"); iH.second.set_size_policy(size_policy::Minimum); iH.second.text_box().set_hint("000000"); iH.second.set_minimum(0); iH.second.set_maximum(360); iH.second.set_step(1);
iS.first.label().text().set_text("&Sat:"); iS.second.set_size_policy(size_policy::Minimum); iS.second.text_box().set_hint("000000"); iS.second.set_minimum(0); iS.second.set_maximum(100); iS.second.set_step(1);
iV.first.label().text().set_text("&Val:"); iV.second.set_size_policy(size_policy::Minimum); iV.second.text_box().set_hint("000000"); iV.second.set_minimum(0); iV.second.set_maximum(100); iV.second.set_step(1);
iR.first.label().text().set_text("&Red:"); iR.second.set_size_policy(size_policy::Minimum); iR.second.text_box().set_hint("000000"); iR.second.set_minimum(0); iR.second.set_maximum(255); iR.second.set_step(1);
iG.first.label().text().set_text("&Green:"); iG.second.set_size_policy(size_policy::Minimum); iG.second.text_box().set_hint("000000"); iG.second.set_minimum(0); iG.second.set_maximum(255); iG.second.set_step(1);
iB.first.label().text().set_text("&Blue:"); iB.second.set_size_policy(size_policy::Minimum); iB.second.text_box().set_hint("000000"); iB.second.set_minimum(0); iB.second.set_maximum(255); iB.second.set_step(1);
iA.first.label().text().set_text("&Alpha:"); iA.second.set_size_policy(size_policy::Minimum); iA.second.text_box().set_hint("000000"); iA.second.set_minimum(0); iA.second.set_maximum(255); iA.second.set_step(1);
iRgb.first.text().set_text("&#:"); iRgb.second.set_size_policy(size_policy::Minimum); iRgb.second.set_hint("000000");
iChannelLayout.set_dimensions(4, 4);
iChannelLayout.add_item(iH.first); iChannelLayout.add_item(iH.second);
iChannelLayout.add_item(iR.first); iChannelLayout.add_item(iR.second);
iChannelLayout.add_item(iS.first); iChannelLayout.add_item(iS.second);
iChannelLayout.add_item(iG.first); iChannelLayout.add_item(iG.second);
iChannelLayout.add_item(iV.first); iChannelLayout.add_item(iV.second);
iChannelLayout.add_item(iB.first); iChannelLayout.add_item(iB.second);
iChannelLayout.add_item(iRgb.first); iChannelLayout.add_item(iRgb.second);
iChannelLayout.add_item(iA.first); iChannelLayout.add_item(iA.second);
iBasicColoursLayout.set_dimensions(12, 12);
for (auto const& basicColour : sBasicColours)
iBasicColoursLayout.add_item(std::make_shared<colour_box>(*this, basicColour));
iCustomColoursLayout.set_dimensions(2, 12);
for (uint32_t i = 0; i < 24; ++i)
iCustomColoursLayout.add_item(std::make_shared<colour_box>(*this, colour::White));
button_box().add_button(dialog_button_box::Ok);
button_box().add_button(dialog_button_box::Cancel);
resize(minimum_size());
rect desktopRect{ app::instance().surface_manager().desktop_rect(surface()) };
move_surface((desktopRect.extents() - surface_size()) / 2.0);
}