Patch from issue 1359: "Munsell correction - Lab adjustements" credits: jdesmis
Bundled new features besid the Lab tool enhancement (by jdesmis) : - curve to control skin tones in vibrance tool, credits: jdesmis - right click over SHCSelector (below the parametric curve) to reset to default values, credits: Hombre - colored bars around curves, credits: Hombre
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@@ -18,14 +18,34 @@
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*/
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#include "shcselector.h"
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#include "multilangmgr.h"
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#include <iomanip>
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#include "mycurve.h"
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SHCSelector::SHCSelector() : movingPosition(-1), cl(NULL) {
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SHCSelector::SHCSelector() : ColoredBar(RTO_Left2Right), movingPosition(-1), cl(NULL) {
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positions[0] = 0.25;
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positions[1] = 0.5;
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positions[2] = 0.75;
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positions[0] = defaults[0] = 0.25;
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positions[1] = defaults[1] = 0.5;
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positions[2] = defaults[2] = 0.75;
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leftMargin = RADIUS;
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rightMargin = RADIUS;
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// TODO: This is a hack :) ; change this name to a specific one and create a new entry in all gtkrc theme files
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set_name("ThresholdSelector");
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set_can_focus(false);
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set_size_request (-1, 12);
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set_tooltip_text(M("SHCSELECTOR_TOOLTIP"));
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}
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void SHCSelector::setMargins(int left, int right) {
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leftMargin = left;
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rightMargin = right;
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}
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void SHCSelector::setDefaults (double spos, double cpos, double hpos) {
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defaults[0] = spos;
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defaults[1] = cpos;
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defaults[2] = hpos;
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}
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void SHCSelector::setPositions (double spos, double cpos, double hpos) {
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@@ -53,46 +73,64 @@ void SHCSelector::on_realize() {
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bool SHCSelector::on_expose_event(GdkEventExpose* event) {
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Gdk::Color c;
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Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context();
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int w = get_width () - RADIUS*2;
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int w = get_width () - leftMargin - rightMargin;
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int h = get_height ();
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wslider = h *2.0 / 5.0;
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wslider = std::max(int(h / 5), 10);
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double hwslider = double(wslider)/2.;
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Gdk::Color bgc = get_style()->get_bg (Gtk::STATE_NORMAL);
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Gdk::Color fgc = get_style()->get_text (Gtk::STATE_NORMAL);
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Gtk::StateType state = !is_sensitive() ? Gtk::STATE_INSENSITIVE : Gtk::STATE_NORMAL;
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Glib::RefPtr<Gtk::Style> style = get_style();
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// clear bg
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cr->set_source_rgb (bgc.get_red_p(), bgc.get_green_p(), bgc.get_blue_p());
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cr->rectangle (0, 0, w, h);
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cr->fill();
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// draw gradient background
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Cairo::RefPtr< Cairo::LinearGradient > bggradient = Cairo::LinearGradient::create (0, 0, w, 0);
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bggradient->add_color_stop_rgb (0, 0, 0, 0);
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bggradient->add_color_stop_rgb (1, 1, 1, 1);
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// set the box's colors
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cr->set_line_width (1.0);
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cr->set_line_cap(Cairo::LINE_CAP_BUTT);
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if (is_sensitive() && canGetColors()) {
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// gradient background
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Glib::RefPtr<Gdk::Window> win = get_window();
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// this will eventually create/update the off-screen pixmap
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setDrawRectangle(win, leftMargin+1, 1, w-2, int(float(h)*5.5f/7.f+0.5f));
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// that we're displaying here
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ColoredBar::expose(win);
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}
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else {
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// solid background
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c = style->get_bg (state);
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cr->set_source_rgb (c.get_red_p()*0.85, c.get_green_p()*0.85, c.get_blue_p()*0.85);
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cr->set_line_width (1.0);
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cr->set_source (bggradient);
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cr->rectangle (0.5+RADIUS, h*2.0/7.0 + 0.5, w-0.5, h*3.0/7.0-0.5);
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cr->fill_preserve();
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cr->set_source_rgb (fgc.get_red_p(), fgc.get_green_p(), fgc.get_blue_p());
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cr->stroke ();
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// draw the box's background
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cr->rectangle (leftMargin+1, 1, w-2, int(float(h)*5.5f/7.f+0.5f));
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cr->fill();
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}
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// draw the box's borders
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cr->set_line_width (1.);
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cr->rectangle (leftMargin+0.5, 0.5, w-1, int(float(h)*5.5f/7.f+0.5f)+1);
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c = style->get_bg (state);
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cr->set_source_rgb (c.get_red_p()*0.7, c.get_green_p()*0.7, c.get_blue_p()*0.7);
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cr->stroke ();
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// draw sliders
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cr->set_line_width (1.0);
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//cr->set_line_width (1.0);
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for (int i=0; i<3; i++) {
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cr->move_to (RADIUS+w*positions[i]-wslider/2+0.5, h-0.5);
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cr->line_to (RADIUS+w*positions[i]-wslider/2+0.5, wslider/2 + 0.5);
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cr->line_to (RADIUS+w*positions[i], 0.5);
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cr->line_to (RADIUS+w*positions[i]+wslider/2-0.5, wslider/2 + 0.5);
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cr->line_to (RADIUS+w*positions[i]+wslider/2-0.5, h-0.5);
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cr->line_to (RADIUS+w*positions[i]-wslider/2+0.5, h-0.5);
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cr->set_source_rgb (bgc.get_red_p(), bgc.get_green_p(), bgc.get_blue_p());
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cr->fill_preserve ();
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cr->set_source_rgb (fgc.get_red_p(), fgc.get_green_p(), fgc.get_blue_p());
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cr->stroke ();
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cr->move_to (leftMargin+0.5+(w-1)*positions[i]+hwslider, double(h)-0.5);
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cr->rel_line_to (0., double(-h/3));
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cr->rel_line_to (-hwslider, double(-h/3));
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cr->rel_line_to (-hwslider, double(h/3));
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cr->rel_line_to (0., double(h/3));
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cr->close_path();
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// normal
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c = style->get_bg (is_sensitive() ? Gtk::STATE_ACTIVE : Gtk::STATE_INSENSITIVE);
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cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
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cr->fill_preserve ();
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c = style->get_bg (state);
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cr->set_source_rgb (c.get_red_p()*0.7, c.get_green_p()*0.7, c.get_blue_p()*0.7);
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cr->stroke ();
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}
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// draw text for the slider that is being moved
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@@ -104,21 +142,20 @@ bool SHCSelector::on_expose_event(GdkEventExpose* event) {
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int layout_width, layout_height;
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Glib::RefPtr<Pango::Layout> layout = create_pango_layout(Glib::ustring::format(std::setprecision(2), positions[i]));
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layout->get_pixel_size(layout_width, layout_height);
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offset = positions[i] > 0.5 ? -layout_width-1-wslider/2 : 1+wslider/2;
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cr->move_to (RADIUS+w*positions[i]+offset-0.5, 0);
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cr->set_source_rgb (bgc.get_red_p(), bgc.get_green_p(), bgc.get_blue_p());
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layout->add_to_cairo_context (cr);
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cr->fill_preserve ();
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cr->stroke ();
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cr->move_to (RADIUS+w*positions[i]+offset+0.5, 1);
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layout->add_to_cairo_context (cr);
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cr->fill_preserve ();
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cr->stroke ();
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cr->set_source_rgb (fgc.get_red_p(), fgc.get_green_p(), fgc.get_blue_p());
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cr->move_to (RADIUS+w*positions[i]+offset, 0.5);
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layout->add_to_cairo_context (cr);
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cr->fill_preserve ();
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cr->stroke ();
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offset = positions[i] > 0.5 ? -layout_width-1-hwslider : 1+hwslider;
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c = style->get_bg (state);
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cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
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cr->set_line_width(3.);
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cr->set_line_join(Cairo::LINE_JOIN_ROUND);
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cr->set_line_cap(Cairo::LINE_CAP_ROUND);
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cr->move_to (leftMargin+w*positions[i]+offset, 0.);
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layout->add_to_cairo_context (cr);
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cr->stroke_preserve();
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c = style->get_fg (Gtk::STATE_PRELIGHT);
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cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
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cr->fill ();
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}
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return true;
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}
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@@ -126,10 +163,10 @@ bool SHCSelector::on_expose_event(GdkEventExpose* event) {
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bool SHCSelector::on_button_press_event (GdkEventButton* event) {
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// check if a slider is under the cursor
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int w = get_width ();
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double w = double(get_width ()-leftMargin-rightMargin);
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movingPosition = -1;
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for (int i=0; i<3; i++)
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if (event->x > w*positions[i]-wslider/2 && event->x < w*positions[i]+wslider/2) {
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if (event->x > double(leftMargin)+w*positions[i]-wslider/2. && event->x < double(leftMargin)+w*positions[i]+wslider/2) {
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movingPosition = i;
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tmpX = event->x;
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tmpPos = positions[i];
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@@ -141,9 +178,21 @@ bool SHCSelector::on_button_press_event (GdkEventButton* event) {
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bool SHCSelector::on_button_release_event (GdkEventButton* event) {
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if (movingPosition >= 0) {
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movingPosition = -1;
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queue_draw ();
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if (event->button == 1) {
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if (movingPosition >= 0) {
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movingPosition = -1;
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queue_draw ();
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}
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}
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else if (event->button == 3) {
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if (movingPosition >= 0)
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movingPosition = -1;
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// right mouse button reset the selector to the stored default values
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if (reset()) {
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// rest has modified the values
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if (cl)
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cl->shcChanged ();
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}
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}
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return true;
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}
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@@ -174,9 +223,17 @@ void SHCSelector::styleChanged (const Glib::RefPtr<Gtk::Style>& style) {
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queue_draw ();
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}
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void SHCSelector::reset () { // : movingPosition(-1), cl(NULL) {
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positions[0] = 0.25;
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positions[1] = 0.5;
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positions[2] = 0.75;
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queue_draw ();
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bool SHCSelector::reset () { // : movingPosition(-1), cl(NULL) {
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if ( positions[0] != defaults[0] ||
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positions[1] != defaults[1] ||
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positions[2] != defaults[2]
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) {
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positions[0] = defaults[0];
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positions[1] = defaults[1];
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positions[2] = defaults[2];
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queue_draw ();
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return true;
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}
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return false;
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}
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