1 /* 2 * This file is part of RawTherapee. 3 * 4 * Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com> 5 * 6 * RawTherapee is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * RawTherapee is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with RawTherapee. If not, see <https://www.gnu.org/licenses/>. 18 */ 19 #pragma once 20 21 #include <gtkmm.h> 22 23 #include "coloredbar.h" 24 25 class SHCListener 26 { 27 public: 28 virtual ~SHCListener() = default; 29 virtual void shcChanged() = 0; 30 }; 31 32 class SHCSelector : public Gtk::DrawingArea, BackBuffer 33 { 34 35 protected: 36 37 int movingPosition; 38 double tmpX, tmpPos; 39 40 double defaults[3]; 41 double positions[3]; 42 double wslider; 43 44 // left margin, essentially a workaround to take care of an eventual right colored bar (e.g. for curves) 45 int leftMargin; 46 // right margin, essentially a workaround to take care of an eventual right colored bar 47 int rightMargin; 48 49 const static int hb = 3; // horizontal border 50 const static int vb = 4; // vertical border 51 52 SHCListener* cl; 53 54 Gtk::SizeRequestMode get_request_mode_vfunc () const override; 55 void get_preferred_height_vfunc (int& minimum_height, int& natural_height) const override; 56 void get_preferred_width_vfunc (int &minimum_width, int &natural_width) const override; 57 void get_preferred_height_for_width_vfunc (int width, int &minimum_height, int &natural_height) const override; 58 void get_preferred_width_for_height_vfunc (int height, int &minimum_width, int &natural_width) const override; 59 void on_realize() override; 60 bool on_draw(const ::Cairo::RefPtr< Cairo::Context> &cr) override; 61 bool on_button_press_event (GdkEventButton* event) override; 62 bool on_button_release_event (GdkEventButton* event) override; 63 bool on_motion_notify_event (GdkEventMotion* event) override; 64 void updateBackBuffer(); 65 66 public: 67 68 ColoredBar coloredBar; 69 70 SHCSelector(); 71 setSHCListener(SHCListener * l)72 void setSHCListener (SHCListener* l) 73 { 74 cl = l;; 75 } 76 77 void setMargins(int left, int right); 78 void setDefaults (double spos, double cpos, double hpos); 79 void setPositions (double spos, double cpos, double hpos); 80 void getPositions (double& spos, double& cpos, double& hpos); 81 void styleChanged (const Glib::RefPtr<Gtk::Style>& style); 82 bool reset (); 83 void refresh(); 84 }; 85