annotate Framework/Widgets/WidgetBase.h @ 54:01aa453d4d5b wasm

IWidget::HasRenderMouseOver
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 27 Apr 2017 17:49:29 +0200
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children f0f354a97581
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017 Osimis, Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #pragma once
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24 #include "IWidget.h"
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26 #include "../Viewport/CairoContext.h"
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27 #include "../Toolbox/ObserversRegistry.h"
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29 namespace OrthancStone
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30 {
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31 class WidgetBase : public IWidget
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32 {
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33 private:
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34 IStatusBar* statusBar_;
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35 ObserversRegistry<IWidget> observers_;
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36 bool started_;
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37 bool backgroundCleared_;
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38 uint8_t backgroundColor_[3];
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39
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40 protected:
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41 void ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const;
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42
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43 void ClearBackgroundCairo(CairoContext& context) const;
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45 void ClearBackgroundCairo(Orthanc::ImageAccessor& target) const;
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47 void NotifyChange();
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48
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49 void UpdateStatusBar(const std::string& message);
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51 IStatusBar* GetStatusBar() const
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52 {
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53 return statusBar_;
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54 }
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56 bool IsStarted() const
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57 {
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58 return started_;
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59 }
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61 public:
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62 WidgetBase();
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63
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64 void SetBackgroundCleared(bool clear)
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65 {
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66 backgroundCleared_ = clear;
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67 }
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69 bool IsBackgroundCleared() const
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70 {
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71 return backgroundCleared_;
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72 }
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73
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74 void SetBackgroundColor(uint8_t red,
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75 uint8_t green,
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76 uint8_t blue);
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78 void GetBackgroundColor(uint8_t& red,
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79 uint8_t& green,
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80 uint8_t& blue) const;
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82 virtual void Register(IChangeObserver& observer);
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84 virtual void Unregister(IChangeObserver& observer);
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85
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86 virtual void SetStatusBar(IStatusBar& statusBar)
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87 {
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88 statusBar_ = &statusBar;
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89 }
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91 virtual void ResetStatusBar()
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92 {
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93 statusBar_ = NULL;
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94 }
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96 virtual void Start();
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97
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98 virtual void Stop();
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99
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100 virtual bool Render(Orthanc::ImageAccessor& surface);
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101
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102 virtual bool HasUpdateContent() const
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103 {
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104 return false;
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105 }
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106
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107 virtual void UpdateContent();
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108
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109 virtual bool HasRenderMouseOver(int x,
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110 int y)
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111 {
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112 return false;
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113 }
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114 };
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115 }