1 | #ifndef LCDDEVICE_H_ |
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2 | #define LCDDEVICE_H_ |
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3 | |
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4 | #include <iostream> |
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5 | #include <qobject.h> |
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6 | #include <qstringlist.h> |
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7 | #include <qvaluevector.h> |
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8 | #include <qsocket.h> |
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9 | #include <qtimer.h> |
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10 | #include <qdatetime.h> |
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11 | |
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12 | using namespace std; |
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13 | |
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14 | enum CHECKED_STATE {CHECKED = 0, UNCHECKED, NOTCHECKABLE }; |
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15 | |
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16 | class LCDMenuItem |
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17 | { |
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18 | public: |
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19 | LCDMenuItem() {} |
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20 | LCDMenuItem(bool item_selected, CHECKED_STATE item_checked, |
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21 | QString item_name, unsigned int item_indent = 0) |
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22 | { |
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23 | selected = item_selected; |
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24 | checked = item_checked; |
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25 | name = item_name; |
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26 | indent = item_indent; |
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27 | scrollPosition = indent; |
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28 | } |
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29 | |
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30 | ~LCDMenuItem() {} |
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31 | |
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32 | CHECKED_STATE isChecked() { return checked; } |
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33 | bool isSelected() { return selected; } |
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34 | QString ItemName() { return name; } |
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35 | bool Scroll() { return scroll; } |
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36 | unsigned int getIndent() { return indent; } |
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37 | unsigned int getScrollPos() { return scrollPosition; } |
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38 | |
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39 | void setChecked(CHECKED_STATE value) { checked = value; } |
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40 | void setSelected(bool value) { selected = value; } |
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41 | void setItemName(QString value) { name = value; } |
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42 | void setScroll(bool value) { scroll = value; } |
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43 | void setIndent(unsigned int value) { indent = value; } |
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44 | void setScrollPos(unsigned int value) { scrollPosition = value; } |
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45 | void incrementScrollPos() { ++scrollPosition; } |
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46 | |
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47 | private: |
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48 | bool selected; |
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49 | CHECKED_STATE checked; |
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50 | QString name; |
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51 | bool scroll; |
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52 | unsigned int indent; |
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53 | unsigned int scrollPosition; |
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54 | }; |
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55 | |
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56 | enum TEXT_ALIGNMENT {ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTERED }; |
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57 | |
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58 | class LCDTextItem |
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59 | { |
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60 | public: |
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61 | LCDTextItem() {} |
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62 | LCDTextItem(unsigned int row, TEXT_ALIGNMENT align, QString text, |
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63 | QString screen = "Generic", bool scroll = false) |
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64 | { |
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65 | itemRow = row; |
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66 | itemAlignment = align; |
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67 | itemText = text; |
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68 | itemScreen = screen; |
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69 | itemScrollable = scroll; |
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70 | } |
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71 | |
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72 | ~LCDTextItem(){}; |
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73 | |
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74 | unsigned int getRow() { return itemRow; } |
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75 | TEXT_ALIGNMENT getAlignment() { return itemAlignment; } |
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76 | QString getText() { return itemText; } |
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77 | QString getScreen() { return itemScreen; } |
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78 | int getScroll() { return itemScrollable; } |
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79 | |
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80 | void setRow(unsigned int value) { itemRow = value; } |
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81 | void setAlignment(TEXT_ALIGNMENT value) { itemAlignment = value; } |
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82 | void setText(QString value) { itemText = value; } |
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83 | void setScreen(QString value) { itemScreen = value; } |
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84 | void setScrollable(bool value) { itemScrollable = value; } |
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85 | |
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86 | private: |
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87 | unsigned int itemRow; |
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88 | TEXT_ALIGNMENT itemAlignment; |
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89 | QString itemText; |
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90 | QString itemScreen; |
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91 | bool itemScrollable; |
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92 | }; |
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93 | |
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94 | class LCD : public QObject |
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95 | { |
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96 | Q_OBJECT |
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97 | |
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98 | protected: |
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99 | LCD(); |
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100 | |
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101 | static bool m_server_unavailable; |
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102 | static class LCD * m_lcd; |
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103 | |
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104 | public: |
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105 | ~LCD(); |
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106 | |
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107 | static class LCD * Get(void); |
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108 | static void SetupLCD (void); |
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109 | |
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110 | // Used to actually connect to an LCD device |
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111 | bool connectToHost(const QString &hostname, unsigned int port); |
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112 | |
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113 | // When nothing else is going on, show the time |
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114 | void switchToTime(); |
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115 | |
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116 | // When playing music, switch to this and give artist and track name |
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117 | // |
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118 | // Note: the use of switchToMusic and setLevels is discouraged, because it |
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119 | // has become obvious that most LCD devices cannot handle communications |
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120 | // fast enough to make them useful. |
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121 | void switchToMusic(const QString &artist, const QString &album, const QString &track); |
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122 | |
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123 | // You can set 10 (or less) equalizer values here (between 0.0 and 1.0) |
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124 | void setLevels(int numbLevels, float *values); |
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125 | |
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126 | // For Live TV, supply the channel number, program title and subtitle |
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127 | // |
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128 | // Note that the "channel" screen can be used for any kind of progress meter |
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129 | // just put whatever you want in the strings, and update the progress as |
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130 | // appropriate; see the demo app mythlcd for an example) |
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131 | void switchToChannel(QString channum = "", QString title = "", |
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132 | QString subtitle = ""); |
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133 | |
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134 | // While watching Live/Recording/Pause Buffer, occasionaly describe how |
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135 | // much of the program has been seen (between 0.0 and 1.0) |
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136 | // (e.g. [current time - start time] / [end time - start time] ) |
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137 | void setChannelProgress(float percentViewed); |
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138 | |
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139 | // Show the Menu |
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140 | // QPtrList is a pointer to a bunch of menu items |
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141 | // See mythmusic/databasebox.cpp for an example |
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142 | void switchToMenu(QPtrList<LCDMenuItem> *menuItems, QString app_name = "", |
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143 | bool popMenu = true); |
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144 | |
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145 | // Show the Generic Progress |
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146 | // QPtrList contains pointers to LCDTextItem objects which allow you to |
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147 | // define the screen, row, and alignment of the text |
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148 | void switchToGeneric(QPtrList<LCDTextItem> *textItems); |
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149 | |
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150 | // Do a progress bar with the generic level between 0 and 1.0 |
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151 | void setGenericProgress(float generic_progress); |
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152 | |
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153 | // Do a music progress bar with the generic level between 0 and 1.0 |
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154 | void setMusicProgress(QString time, float generic_progress); |
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155 | |
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156 | // Show the Volume Level top_text scrolls |
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157 | void switchToVolume(QString app_name); |
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158 | |
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159 | // Do a progress bar with the volume level between 0 and 1.0 |
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160 | void setVolumeLevel(float volume_level); |
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161 | |
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162 | // If some other process should be getting all the LCDd screen time (e.g. |
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163 | // mythMusic) we can use this to try and prevent and screens from showing |
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164 | // up without having to actual destroy the LCD object |
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165 | void switchToNothing(); |
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166 | |
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167 | // If you want to be pleasant, call shutdown() before deleting your LCD |
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168 | // device |
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169 | void shutdown(); |
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170 | |
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171 | // outputText spins through the ptr list and outputs the text according to |
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172 | // the params set in the LCDTextItem object |
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173 | // gContext->LCDsetGenericProgress(percent_heard) for an example |
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174 | // void outputText(QPtrList<LCDTextItem> *textItems); |
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175 | |
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176 | void setupLEDs(int(*LedMaskFunc)(void)); |
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177 | |
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178 | void stopAll(void); |
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179 | |
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180 | uint getLCDHeight(void) { return lcd_height; } |
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181 | uint getLCDWidth(void) { return lcd_width; } |
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182 | |
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183 | private slots: |
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184 | void veryBadThings(int); // Communication Errors |
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185 | void serverSendingData(); // Data coming back from LCDd |
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186 | |
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187 | void restartConnection(); // Try to re-establish the connection to |
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188 | // LCDServer every 10 seconds |
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189 | void outputLEDs(); |
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190 | |
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191 | private: |
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192 | void sendToServer(const QString &someText); |
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193 | void init(); |
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194 | void handleKeyPress(QString key); |
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195 | QString quotedString(const QString &s); |
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196 | |
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197 | QSocket *socket; |
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198 | QTimer *retryTimer; |
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199 | QTimer *LEDTimer; |
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200 | |
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201 | void describeServer(); |
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202 | |
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203 | bool connected; |
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204 | |
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205 | QString send_buffer; |
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206 | QString last_command; |
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207 | QString hostname; |
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208 | unsigned int port; |
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209 | |
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210 | int lcd_width; |
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211 | int lcd_height; |
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212 | |
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213 | bool lcd_ready; |
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214 | |
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215 | bool lcd_showtime; |
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216 | bool lcd_showmenu; |
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217 | bool lcd_showgeneric; |
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218 | bool lcd_showmusic; |
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219 | bool lcd_showchannel; |
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220 | bool lcd_showvolume; |
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221 | bool lcd_showrecstatus; |
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222 | bool lcd_backlighton; |
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223 | bool lcd_heartbeaton; |
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224 | int lcd_popuptime; |
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225 | QString lcd_showmusic_items; |
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226 | QString lcd_keystring; |
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227 | |
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228 | int (*GetLEDMask)(void); |
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229 | }; |
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230 | |
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231 | #endif |
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