89d2bdce5b
Note: This commit has only been tested on MacOS Changes: - Icons now use the native hidpi support from Gtk (through Icon Theme) - Icons are now directly generated from scalable file (i.e. SVG file) - Widget sizes are scaled based on DPI and scale factor - Font size is scaled based on DPI and scale factor
839 lines
27 KiB
C++
839 lines
27 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <cassert>
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#include <cmath>
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#include "thresholdselector.h"
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#include "multilangmgr.h"
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#include "mycurve.h"
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#include "rtscalable.h"
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#include "../rtengine/procparams.h"
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ThresholdSelector::ThresholdSelector(double minValueBottom, double maxValueBottom, double defBottom, Glib::ustring labelBottom, unsigned int precisionBottom,
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double minValueTop, double maxValueTop, double defTop, Glib::ustring labelTop, unsigned int precisionTop,
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ThresholdCurveProvider* curveProvider)
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: separatedLabelBottom(std::move(labelBottom)), separatedLabelTop(std::move(labelTop)), coloredBar(RTO_Left2Right)
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{
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positions[TS_BOTTOMLEFT] = defPos[TS_BOTTOMLEFT] = defBottom;
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positions[TS_TOPLEFT] = defPos[TS_TOPLEFT] = defTop;
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positions[TS_BOTTOMRIGHT] = defPos[TS_BOTTOMRIGHT] = 0; // unused
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positions[TS_TOPRIGHT] = defPos[TS_TOPRIGHT] = 0; // unused
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this->precisionTop = precisionTop;
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this->precisionBottom = precisionBottom;
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doubleThresh = false;
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bgCurveProvider = curveProvider;
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separatedSliders = true;
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initalEq1 = false; // unused
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minValBottom = minValueBottom;
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maxValBottom = maxValueBottom;
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minValTop = minValueTop;
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maxValTop = maxValueTop;
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initValues ();
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}
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ThresholdSelector::ThresholdSelector(double minValue, double maxValue, double defBottom,
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double defTop, unsigned int precision, bool startAtOne)
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: coloredBar(RTO_Left2Right)
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{
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positions[TS_BOTTOMLEFT] = defPos[TS_BOTTOMLEFT] = defBottom;
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positions[TS_TOPLEFT] = defPos[TS_TOPLEFT] = defTop;
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positions[TS_BOTTOMRIGHT] = defPos[TS_BOTTOMRIGHT] = maxValue;
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positions[TS_TOPRIGHT] = defPos[TS_TOPRIGHT] = maxValue;
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this->precisionTop = precision;
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this->precisionBottom = precision;
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doubleThresh = false;
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#ifndef NDEBUG
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if (startAtOne) {
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assert (defBottom >= defTop);
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assert (defTop >= minValue);
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assert (defBottom <= maxValue);
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} else {
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assert (defTop >= defBottom);
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assert (defBottom >= minValue);
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assert (defTop <= maxValue);
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}
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assert(minValue < maxValue);
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#endif
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bgCurveProvider = nullptr;
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separatedSliders = false;
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initalEq1 = startAtOne;
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minValTop = minValBottom = minValue;
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maxValTop = maxValBottom = maxValue;
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initValues ();
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}
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ThresholdSelector::ThresholdSelector(double minValue, double maxValue, double defBottomLeft, double defTopLeft,
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double defBottomRight, double defTopRight, unsigned int precision, bool startAtOne)
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: coloredBar(RTO_Left2Right)
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{
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positions[TS_BOTTOMLEFT] = defPos[TS_BOTTOMLEFT] = defBottomLeft;
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positions[TS_TOPLEFT] = defPos[TS_TOPLEFT] = defTopLeft;
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positions[TS_BOTTOMRIGHT] = defPos[TS_BOTTOMRIGHT] = defBottomRight;
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positions[TS_TOPRIGHT] = defPos[TS_TOPRIGHT] = defTopRight;
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this->precisionTop = precision;
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this->precisionBottom = precision;
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doubleThresh = true;
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#ifndef NDEBUG
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if (startAtOne) {
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assert (minValue <= defTopLeft);
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assert (defTopLeft <= defBottomLeft);
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assert (defBottomLeft <= defBottomRight);
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assert (defBottomRight <= defTopRight);
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assert (defTopRight <= maxValue);
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} else {
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assert (minValue <= defBottomLeft);
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assert (defBottomLeft <= defTopLeft);
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assert (defTopLeft <= defTopRight);
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assert (defTopRight <= defBottomRight);
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assert (defBottomRight <= maxValue);
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}
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assert(minValue < maxValue);
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#endif
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bgCurveProvider = nullptr;
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separatedSliders = false;
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initalEq1 = startAtOne;
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minValTop = minValBottom = minValue;
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maxValTop = maxValBottom = maxValue;
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initValues ();
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}
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void ThresholdSelector::initValues ()
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{
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updatePolicy = RTUP_STATIC;
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additionalTTip = "";
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oldLitCursor = litCursor = TS_UNDEFINED;
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movedCursor = TS_UNDEFINED;
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secondaryMovedCursor = TS_UNDEFINED;
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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style->add_class("drawingarea");
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style->add_class(GTK_STYLE_CLASS_TROUGH);
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//style->add_class(GTK_STYLE_CLASS_SCALE);
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style->add_class(GTK_STYLE_CLASS_SLIDER);
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set_name("ThresholdSelector");
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set_can_focus(false);
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set_app_paintable(true);
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setDirty(true);
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updateTooltip();
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}
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Gtk::SizeRequestMode ThresholdSelector::get_request_mode_vfunc () const
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{
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return Gtk::SIZE_REQUEST_CONSTANT_SIZE;
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}
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void ThresholdSelector::get_preferred_height_vfunc (int &minimum_height, int &natural_height) const
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{
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int minimumWidth = 0;
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int naturalWidth = 0;
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get_preferred_width_vfunc (minimumWidth, naturalWidth);
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get_preferred_height_for_width_vfunc (minimumWidth, minimum_height, natural_height);
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}
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void ThresholdSelector::get_preferred_width_vfunc (int &minimum_width, int &natural_width) const
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{
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const int s = RTScalable::scalePixelSize(1);
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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Gtk::Border padding = getPadding(style); // already scaled
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int margins = padding.get_left() + padding.get_right();
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minimum_width = 60 * s + margins;
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natural_width = 150 * s + margins;
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}
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void ThresholdSelector::get_preferred_height_for_width_vfunc (int width, int &minimum_height, int &natural_height) const
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{
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const int s = RTScalable::scalePixelSize(1);
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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Gtk::Border padding = getPadding(style); // already scaled
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int margins = padding.get_left() + padding.get_right();
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natural_height = minimum_height = 26 * s + margins;
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}
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void ThresholdSelector::get_preferred_width_for_height_vfunc (int height, int &minimum_width, int &natural_width) const
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{
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get_preferred_width_vfunc (minimum_width, natural_width);
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}
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/*
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* Set the position of the sliders without telling it to the listener
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*/
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void ThresholdSelector::setPositions (double bottom, double top)
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{
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setPositions(bottom, top, maxValBottom, maxValTop);
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if (updatePolicy == RTUP_DYNAMIC) {
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setDirty(true);
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}
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}
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/*
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* Set the position of the sliders without telling it to the listener
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*/
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void ThresholdSelector::setPositions (double bottomLeft, double topLeft, double bottomRight, double topRight)
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{
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bool different = ( (positions[TS_TOPLEFT] != topLeft) || (positions[TS_TOPRIGHT] != topRight) ||
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(positions[TS_BOTTOMLEFT] != bottomLeft) || (positions[TS_BOTTOMRIGHT] != bottomRight) );
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positions[TS_BOTTOMLEFT] = bottomLeft;
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positions[TS_TOPLEFT] = topLeft;
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positions[TS_BOTTOMRIGHT] = bottomRight;
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positions[TS_TOPRIGHT] = topRight;
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if (different) {
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if (updatePolicy == RTUP_DYNAMIC) {
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setDirty(true);
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}
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sig_val_changed.emit();
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updateTooltip();
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queue_draw ();
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}
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}
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void ThresholdSelector::setDefaults (double bottom, double top)
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{
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setDefaults(bottom, top, maxValBottom, maxValTop);
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}
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void ThresholdSelector::setDefaults (double bottomLeft, double topLeft, double bottomRight, double topRight)
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{
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defPos[TS_BOTTOMLEFT] = bottomLeft;
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defPos[TS_TOPLEFT] = topLeft;
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if (doubleThresh) {
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defPos[TS_BOTTOMRIGHT] = bottomRight;
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defPos[TS_TOPRIGHT] = topRight;
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}
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}
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void ThresholdSelector::on_realize()
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{
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Gtk::DrawingArea::on_realize();
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add_events(Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::LEAVE_NOTIFY_MASK);
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}
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void ThresholdSelector::updateBackBuffer()
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{
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if (!get_realized() || !isDirty() || !get_allocated_width() || !get_allocated_height()) {
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return;
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}
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// This will create or update the size of the BackBuffer::surface
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setDrawRectangle(Cairo::FORMAT_ARGB32, 0, 0, get_allocated_width(), get_allocated_height(), true);
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if (!surface) {
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return;
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}
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Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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Gtk::Border padding = getPadding(style); // already scaled
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cr->set_source_rgba (0., 0., 0., 0.);
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cr->set_operator (Cairo::OPERATOR_CLEAR);
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cr->paint ();
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cr->set_operator (Cairo::OPERATOR_OVER);
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const double s = RTScalable::scalePixelSize(1.);
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double positions01[4];
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int w = get_allocated_width ();
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int h = get_allocated_height ();
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double wslider = sliderWidth * s; // constant must be an odd value
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double hwslider = wslider / 2.;
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double verticalSliderPadding = std::floor(((double)h - (double)padding.get_top() - (double)padding.get_bottom()) * verticalSliderPaddingFactor + 0.5);
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positions01[TS_BOTTOMLEFT] = to01(TS_BOTTOMLEFT);
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positions01[TS_TOPLEFT] = to01(TS_TOPLEFT);
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positions01[TS_BOTTOMRIGHT] = to01(TS_BOTTOMRIGHT);
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positions01[TS_TOPRIGHT] = to01(TS_TOPRIGHT);
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double innerBarX = (double)padding.get_left() + hwslider - 0.5 * s;
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double innerBarY = verticalSliderPadding + 1. * s + (double)padding.get_top();
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double innerBarW = (double)w - innerBarX - (double)padding.get_right() - hwslider - 0.5 * s;
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double innerBarH = (double)h - innerBarY - verticalSliderPadding - 1. * s - (double)padding.get_bottom();
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if (is_sensitive() && coloredBar.canGetColors()) {
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if (updatePolicy == RTUP_DYNAMIC) {
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coloredBar.setDirty(true);
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}
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// this will eventually create/update the off-screen Surface for the gradient area only !
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coloredBar.setDrawRectangle(innerBarX, innerBarY, innerBarW, innerBarH);
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// that we're displaying here
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coloredBar.expose(*this, cr);
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} else {
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style->render_background(cr, innerBarX, innerBarY, innerBarW, innerBarH);
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}
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// draw curve
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double yStart = innerBarY + innerBarH - 1. * s;
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double yEnd = innerBarY + 1. * s;
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double xStart = innerBarX;
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double xEnd = innerBarX + innerBarW;
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double iw = xEnd - xStart;
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double ih = yEnd - yStart;
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if (bgCurveProvider) {
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std::vector<double> pts = bgCurveProvider->getCurvePoints(this); // the values sent by the provider are not checked (assumed to be correct)
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if (pts.size() >= 4) {
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std::vector<double>::iterator i = pts.begin();
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++i;
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double y = *i;
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++i;
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cr->move_to (xStart, ih*y + yStart);
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for (; i < pts.end(); ) {
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double x = *i;
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++i;
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y = *i;
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++i;
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cr->line_to (xStart + iw * x, ih*y + yStart);
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}
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} else {
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// Draw a straight line because not enough points has been sent
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cr->move_to (xStart, yEnd);
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cr->rel_line_to (iw, 0.);
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}
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} else {
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if (!separatedSliders) {
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ThreshCursorId p[4];
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double yStart_ = yStart;
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double yEnd_ = yEnd;
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if (initalEq1) {
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std::swap(yStart_, yEnd_);
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p[0] = TS_TOPLEFT;
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p[1] = TS_BOTTOMLEFT;
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p[2] = TS_BOTTOMRIGHT;
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p[3] = TS_TOPRIGHT;
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} else {
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p[0] = TS_BOTTOMLEFT;
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p[1] = TS_TOPLEFT;
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p[2] = TS_TOPRIGHT;
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p[3] = TS_BOTTOMRIGHT;
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}
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if (positions[p[1]] > minValTop) { // we use minValTop since if this block is executed, it means that we are in a simple Threshold where both bottom and top range are the same
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cr->move_to (innerBarX, yStart_);
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} else {
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cr->move_to (innerBarX, yEnd_);
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}
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if (positions[p[0]] > minValTop) {
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cr->line_to (xStart + iw * positions01[p[0]], yStart_);
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}
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if (positions[p[1]] > minValTop) {
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cr->line_to (xStart + iw * positions01[p[1]], yEnd_);
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}
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cr->line_to (xStart + iw * positions01[p[2]], yEnd_);
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if (doubleThresh && positions[p[2]] < maxValTop) {
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cr->line_to (xStart + iw * positions01[p[3]], yStart_);
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if (positions[p[3]] < maxValTop) {
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cr->line_to (xEnd, yStart_);
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}
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}
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}
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}
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cr->set_antialias(Cairo::ANTIALIAS_SUBPIXEL);
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cr->set_line_cap(Cairo::LINE_CAP_BUTT);
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cr->set_line_join(Cairo::LINE_JOIN_BEVEL);
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if (is_sensitive()) {
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// draw surrounding curve (black)
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cr->set_source_rgb (0., 0., 0.);
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cr->set_line_width (4. * s);
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cr->stroke_preserve();
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}
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// draw inner curve (white)
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if (is_sensitive()) {
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cr->set_source_rgb (1., 1., 1.);
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} else {
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cr->set_source_rgba (0., 0., 0., 0.5);
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}
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cr->set_line_width (2. * s);
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cr->stroke ();
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// draw the box's borders
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style->render_frame(cr, innerBarX - 1. * s, innerBarY - 1. * s, innerBarW + 2. * s, innerBarH + 2. * s);
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// draw sliders
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Gtk::StateFlags currState = style->get_state();
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cr->set_antialias(Cairo::ANTIALIAS_SUBPIXEL);
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cr->set_line_cap(Cairo::LINE_CAP_ROUND);
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for (int i = 0; i < (doubleThresh ? 4 : 2); ++i) {
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if (!is_sensitive()) {
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style->set_state(Gtk::STATE_FLAG_INSENSITIVE);
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} else if (i == movedCursor) {
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style->set_state(Gtk::STATE_FLAG_ACTIVE);
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} else if (i == litCursor) {
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style->set_state(Gtk::STATE_FLAG_PRELIGHT);
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} else {
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style->set_state(Gtk::STATE_FLAG_NORMAL);
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}
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double posX = xStart + iw * positions01[i];
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double arrowY = i == 0 || i == 2 ? yStart - 3. * s : yEnd + 3. * s;
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double baseY = i == 0 || i == 2 ? (double)h - (double)padding.get_bottom() - 0.5 * s : (double)padding.get_top() + 0.5 * s;
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style->render_slider(cr, posX - hwslider, i == 0 || i == 2 ? arrowY : baseY, wslider, i == 0 || i == 2 ? baseY - arrowY : arrowY - baseY, Gtk::ORIENTATION_HORIZONTAL);
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}
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style->set_state(currState);
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}
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bool ThresholdSelector::on_draw(const ::Cairo::RefPtr< Cairo::Context> &cr)
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{
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// on_realize & updateBackBuffer have to be called before
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if (get_realized() && get_allocated_width() && get_allocated_height()) {
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if (isDirty()) {
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updateBackBuffer();
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}
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if (surface) {
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copySurface(cr);
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}
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}
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return true;
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}
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bool ThresholdSelector::on_button_press_event (GdkEventButton* event)
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{
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if (event->button == 1) {
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movedCursor = litCursor;
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findSecondaryMovedCursor(event->state);
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tmpX = event->x;
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queue_draw ();
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}
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grab_focus();
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return true;
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}
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bool ThresholdSelector::on_button_release_event (GdkEventButton* event)
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{
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if (event->button == 1) {
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findLitCursor(event->x, event->y);
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movedCursor = TS_UNDEFINED;
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secondaryMovedCursor = TS_UNDEFINED;
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queue_draw ();
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}
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return true;
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}
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bool ThresholdSelector::on_leave_notify_event (GdkEventCrossing* event)
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{
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if (movedCursor == TS_UNDEFINED) {
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litCursor = TS_UNDEFINED;
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oldLitCursor = TS_UNDEFINED;
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queue_draw();
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}
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return true;
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}
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bool ThresholdSelector::on_motion_notify_event (GdkEventMotion* event)
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{
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int w = get_allocated_width ();
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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Gtk::Border padding = getPadding(style); // already scaled
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const double s = RTScalable::scalePixelSize(1.);
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double wslider = sliderWidth * s; // constant must be an odd value
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double hwslider = wslider / 2.;
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double innerBarX = (double)padding.get_left() + hwslider - 0.5 * s;
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double innerBarW = (double)w - innerBarX - (double)padding.get_right() - hwslider - 0.5 * s;
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double xStart = innerBarX + 0.5 * s;
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double xEnd = innerBarX + innerBarW - 0.5 * s;
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double iw = xEnd - xStart;
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findLitCursor(event->x, event->y);
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if (movedCursor != TS_UNDEFINED) {
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// user is moving a cursor or two
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double minBound, maxBound, dRange;
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findSecondaryMovedCursor(event->state);
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// computing the boundaries
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findBoundaries(minBound, maxBound);
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if (movedCursor == TS_BOTTOMLEFT || movedCursor == TS_BOTTOMRIGHT) {
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dRange = maxValBottom - minValBottom;
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} else {
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dRange = maxValTop - minValTop;
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}
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double dX = ( (event->x - tmpX) * dRange ) / iw;
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// slow motion if CTRL is pressed
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if (event->state & Gdk::CONTROL_MASK) {
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dX *= 0.05;
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}
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// get the new X value, inside bounds
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double newX = positions[movedCursor] + dX;
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if (newX > maxBound) {
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newX = maxBound;
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} else if (newX < minBound) {
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newX = minBound;
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}
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// compute the effective dX
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dX = newX - positions[movedCursor];
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// set the new position of the moved cursor
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positions[movedCursor] = newX;
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// apply the decay to the secondary moved cursor, if necessary
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if (secondaryMovedCursor != TS_UNDEFINED) {
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positions[secondaryMovedCursor] += dX;
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}
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// set the new reference value for the next move
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tmpX = event->x;
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// ask to redraw the background
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if (updatePolicy == RTUP_DYNAMIC) {
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setDirty(true);
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}
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// update the tooltip
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updateTooltip();
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queue_draw ();
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sig_val_changed.emit();
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} else {
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if (litCursor != oldLitCursor) {
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queue_draw ();
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}
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oldLitCursor = litCursor;
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}
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return true;
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}
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void ThresholdSelector::findLitCursor(int posX, int posY)
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{
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int w = get_allocated_width ();
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int h = get_allocated_height ();
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Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
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Gtk::Border padding = getPadding(style); // already scaled
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const double s = RTScalable::scalePixelSize(1.);
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double wslider = sliderWidth * s; // constant must be an odd value
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double hwslider = wslider / 2.;
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double innerBarX = (double)padding.get_left() + hwslider - 0.5 * s;
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double innerBarW = (double)w - innerBarX - (double)padding.get_right() - hwslider - 0.5 * s;
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litCursor = TS_UNDEFINED;
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if (posY >= 0 && posY <= h / 2) {
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if (posX >= (int)(innerBarX - hwslider) && posX <= (int)(innerBarX + innerBarW + hwslider)) {
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litCursor = TS_TOPLEFT;
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if (doubleThresh) {
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// we use minValTop since if this block is executed, it means that we are in a simple Threshold where both bottom and top range are the same
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double cursorX = ((double)posX - innerBarX) * (maxValTop - minValTop) / innerBarW + minValTop;
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if (cursorX > positions[TS_TOPRIGHT] || std::fabs(cursorX - positions[TS_TOPRIGHT]) < std::fabs(cursorX - positions[TS_TOPLEFT])) {
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litCursor = TS_TOPRIGHT;
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}
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}
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}
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} else if (posY > h / 2 && posY < h) {
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if (posX >= (int)(innerBarX - hwslider) && posX <= (int)(innerBarX + innerBarW + hwslider)) {
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litCursor = TS_BOTTOMLEFT;
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if (doubleThresh) {
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// we use minValTop since if this block is executed, it means that we are in a simple Threshold where both bottom and top range are the same
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double cursorX = ((double)posX - innerBarX) * (maxValTop - minValTop) / innerBarW + minValTop;
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if (cursorX > positions[TS_BOTTOMRIGHT] || std::fabs(cursorX - positions[TS_BOTTOMRIGHT]) < std::fabs(cursorX - positions[TS_BOTTOMLEFT])) {
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litCursor = TS_BOTTOMRIGHT;
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}
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}
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}
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}
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}
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void ThresholdSelector::findBoundaries(double &min, double &max)
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{
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switch (movedCursor) {
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case (TS_BOTTOMLEFT):
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if (separatedSliders) {
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min = minValBottom;
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max = maxValBottom;
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} else if (initalEq1) {
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min = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_TOPLEFT] : minValTop + (positions[TS_BOTTOMLEFT] - positions[TS_TOPLEFT]);
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max = positions[TS_BOTTOMRIGHT];
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} else {
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min = minValTop;
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max = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_TOPLEFT] : positions[TS_TOPRIGHT] - (positions[TS_TOPLEFT] - positions[TS_BOTTOMLEFT]);
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}
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break;
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case (TS_TOPLEFT):
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if (separatedSliders) {
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min = minValTop;
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max = maxValTop;
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} else if (initalEq1) {
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min = minValTop;
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max = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_BOTTOMLEFT] : positions[TS_BOTTOMRIGHT] - (positions[TS_BOTTOMLEFT] - positions[TS_TOPLEFT]);
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} else {
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min = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_BOTTOMLEFT] : minValTop + (positions[TS_TOPLEFT] - positions[TS_BOTTOMLEFT]);
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max = positions[TS_TOPRIGHT];
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}
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break;
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case (TS_BOTTOMRIGHT):
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if (initalEq1) {
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min = positions[TS_BOTTOMLEFT];
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max = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_TOPRIGHT] : maxValTop - (positions[TS_TOPRIGHT] - positions[TS_BOTTOMRIGHT]);
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} else {
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min = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_TOPRIGHT] : positions[TS_TOPLEFT] + (positions[TS_BOTTOMRIGHT] - positions[TS_TOPRIGHT]);
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max = maxValTop;
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}
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break;
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case (TS_TOPRIGHT):
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if (initalEq1) {
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min = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_BOTTOMRIGHT] : positions[TS_BOTTOMLEFT] + (positions[TS_TOPRIGHT] - positions[TS_BOTTOMRIGHT]);
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max = maxValTop;
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} else {
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min = positions[TS_TOPLEFT];
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max = secondaryMovedCursor == TS_UNDEFINED ? positions[TS_BOTTOMRIGHT] : maxValTop - (positions[TS_BOTTOMRIGHT] - positions[TS_TOPRIGHT]);
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}
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break;
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default:
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min = minValTop;
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max = maxValTop;
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break;
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}
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}
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void ThresholdSelector::findSecondaryMovedCursor(guint state)
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{
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secondaryMovedCursor = TS_UNDEFINED;
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if (!separatedSliders && !(state & Gdk::SHIFT_MASK)) {
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switch (movedCursor) {
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case (TS_BOTTOMLEFT):
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secondaryMovedCursor = TS_TOPLEFT;
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break;
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case (TS_TOPLEFT):
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secondaryMovedCursor = TS_BOTTOMLEFT;
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break;
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case (TS_BOTTOMRIGHT):
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secondaryMovedCursor = TS_TOPRIGHT;
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break;
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case (TS_TOPRIGHT):
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secondaryMovedCursor = TS_BOTTOMRIGHT;
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break;
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default:
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secondaryMovedCursor = TS_UNDEFINED;
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break;
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}
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}
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}
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void ThresholdSelector::styleChanged (const Glib::RefPtr<Gtk::StyleContext>& style)
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{
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queue_draw ();
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}
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void ThresholdSelector::reset ()
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{
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positions[0] = defPos[0];
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positions[1] = defPos[1];
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positions[2] = defPos[2];
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positions[3] = defPos[3];
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if (updatePolicy == RTUP_DYNAMIC) {
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setDirty(true);
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}
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updateTooltip();
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queue_draw ();
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}
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double ThresholdSelector::to01(ThreshCursorId cursorId)
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{
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double rVal;
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if (cursorId == TS_BOTTOMLEFT || cursorId == TS_BOTTOMRIGHT) {
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rVal = (positions[cursorId] - minValBottom) / (maxValBottom - minValBottom);
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} else {
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rVal = (positions[cursorId] - minValTop) / (maxValTop - minValTop);
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}
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if (rVal < 0.) {
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rVal = 0.;
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} else if (rVal > 1.) {
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rVal = 1.;
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}
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return rVal;
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}
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void ThresholdSelector::setBgCurveProvider (ThresholdCurveProvider* provider)
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{
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bgCurveProvider = provider;
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}
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void ThresholdSelector::setSeparatedSliders(bool separated)
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{
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separatedSliders = separated;
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}
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bool ThresholdSelector::getSeparatedSliders()
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{
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return separatedSliders;
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}
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void ThresholdSelector::updateTooltip()
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{
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Glib::ustring tTip;
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if (doubleThresh) {
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tTip = Glib::ustring::compose("<b>%1:</b> %2 <b>%3:</b> %4\n<b>%5:</b> %6 <b>%7:</b> %8",
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M("THRESHOLDSELECTOR_TL"), Glib::ustring::format(std::fixed, std::setprecision(precisionTop), positions[TS_TOPLEFT]),
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M("THRESHOLDSELECTOR_TR"), Glib::ustring::format(std::fixed, std::setprecision(precisionTop), positions[TS_TOPRIGHT]),
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M("THRESHOLDSELECTOR_BL"), Glib::ustring::format(std::fixed, std::setprecision(precisionBottom), positions[TS_BOTTOMLEFT]),
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M("THRESHOLDSELECTOR_BR"), Glib::ustring::format(std::fixed, std::setprecision(precisionBottom), positions[TS_BOTTOMRIGHT])
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);
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if (!additionalTTip.empty()) {
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tTip += Glib::ustring::compose("\n\n%1", additionalTTip);
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}
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tTip += Glib::ustring::compose("\n\n%1", M("THRESHOLDSELECTOR_HINT"));
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} else if (separatedSliders) {
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tTip = Glib::ustring::compose("<b>%1:</b> %2\n<b>%3:</b> %4",
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separatedLabelTop, Glib::ustring::format(std::fixed, std::setprecision(precisionTop), positions[TS_TOPLEFT]),
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separatedLabelBottom, Glib::ustring::format(std::fixed, std::setprecision(precisionBottom), positions[TS_BOTTOMLEFT])
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);
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if (!additionalTTip.empty()) {
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tTip += Glib::ustring::compose("\n\n%1", additionalTTip);
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}
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} else {
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tTip = Glib::ustring::compose("<b>%1:</b> %2\n<b>%3:</b> %4",
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M("THRESHOLDSELECTOR_T"), Glib::ustring::format(std::fixed, std::setprecision(precisionTop), positions[TS_TOPLEFT]),
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M("THRESHOLDSELECTOR_B"), Glib::ustring::format(std::fixed, std::setprecision(precisionBottom), positions[TS_BOTTOMLEFT])
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);
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if (!additionalTTip.empty()) {
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tTip += Glib::ustring::compose("\n\n%1", additionalTTip);
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}
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tTip += Glib::ustring::compose("\n\n%1", M("THRESHOLDSELECTOR_HINT"));
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}
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Gtk::Widget::set_tooltip_markup(tTip);
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}
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sigc::signal<void> ThresholdSelector::signal_value_changed()
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{
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return sig_val_changed;
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}
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double ThresholdSelector::shapePositionValue (ThreshCursorId cursorId)
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{
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unsigned int precision = (cursorId == TS_BOTTOMLEFT || cursorId == TS_BOTTOMRIGHT) ? precisionBottom : precisionTop;
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return round(positions[cursorId] * pow(double(10), precision)) / pow(double(10), precision);
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}
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void ThresholdSelector::set_tooltip_markup(const Glib::ustring& markup)
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{
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additionalTTip = markup;
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updateTooltip();
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}
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void ThresholdSelector::set_tooltip_text(const Glib::ustring& text)
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{
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additionalTTip = text;
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updateTooltip();
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}
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