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annotate DPF-Prymula-audioplugins/dpf/distrho/extra/ExternalWindow.hpp @ 3:84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
author | prymula <prymula76@outlook.com> |
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date | Mon, 16 Oct 2023 21:53:34 +0200 |
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1 /* |
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2 * DISTRHO Plugin Framework (DPF) |
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3 * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com> |
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4 * |
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5 * Permission to use, copy, modify, and/or distribute this software for any purpose with |
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6 * or without fee is hereby granted, provided that the above copyright notice and this |
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7 * permission notice appear in all copies. |
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8 * |
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9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD |
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10 * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN |
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11 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
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12 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER |
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13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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15 */ |
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16 |
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17 #ifndef DISTRHO_EXTERNAL_WINDOW_HPP_INCLUDED |
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18 #define DISTRHO_EXTERNAL_WINDOW_HPP_INCLUDED |
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19 |
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20 #include "String.hpp" |
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21 |
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22 #ifndef DISTRHO_OS_WINDOWS |
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23 # include <cerrno> |
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24 # include <signal.h> |
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25 # include <sys/wait.h> |
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26 # include <unistd.h> |
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27 #endif |
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28 |
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29 START_NAMESPACE_DISTRHO |
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30 |
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31 // ----------------------------------------------------------------------- |
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32 // ExternalWindow class |
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33 |
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34 /** |
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35 External Window class. |
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36 |
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37 This is a standalone TopLevelWidget/Window-compatible class, but without any real event handling. |
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38 Being compatible with TopLevelWidget/Window, it allows to be used as DPF UI target. |
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39 |
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40 It can be used to embed non-DPF things or to run a tool in a new process as the "UI". |
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41 The uiIdle() function will be called at regular intervals to keep UI running. |
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42 There are helper methods in place to launch external tools and keep track of its running state. |
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43 |
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44 External windows can be setup to run in 3 different modes: |
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45 * Embed: |
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46 Embed into the host UI, even-loop driven by the host. |
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47 This is basically working as a regular plugin UI, as you typically expect them to. |
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48 The plugin side does not get control over showing, hiding or closing the window (as usual for plugins). |
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49 No restrictions on supported plugin format, everything should work. |
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50 Requires DISTRHO_PLUGIN_HAS_EMBED_UI to be set to 1. |
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51 |
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52 * Semi-external: |
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53 The UI is not embed into the host, but the even-loop is still driven by it. |
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54 In this mode the host does not have control over the UI except for showing, hiding and setting transient parent. |
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55 It is possible to close the window from the plugin, the host will be notified of such case. |
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56 Host regularly calls isQuitting() to check if the UI got closed by the user or plugin side. |
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57 This mode is only possible in LV2 plugin formats, using lv2ui:showInterface extension. |
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58 |
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59 * Standalone: |
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60 The UI is not embed into the host or uses its event-loop, basically running as standalone. |
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61 The host only has control over showing and hiding the window, nothing else. |
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62 The UI is still free to close itself at any point. |
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63 DPF will keep calling isRunning() to check if it should keep the event-loop running. |
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64 Only possible in JACK and DSSI targets, as the UIs are literally standalone applications there. |
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65 |
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66 Please note that for non-embed windows, you cannot show the window yourself. |
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67 The plugin window is only allowed to hide or close itself, a "show" action needs to come from the host. |
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68 |
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69 A few callbacks are provided so that implementations do not need to care about checking for state changes. |
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70 They are not called on construction, but will be everytime something changes either by the host or the window itself. |
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71 */ |
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72 class ExternalWindow |
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73 { |
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74 struct PrivateData; |
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75 |
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76 public: |
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77 /** |
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78 Constructor. |
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79 */ |
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80 explicit ExternalWindow() |
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81 : pData() {} |
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82 |
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83 /** |
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84 Constructor for DPF internal use. |
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85 */ |
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86 explicit ExternalWindow(const PrivateData& data) |
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87 : pData(data) {} |
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88 |
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89 /** |
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90 Destructor. |
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91 */ |
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92 virtual ~ExternalWindow() |
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93 { |
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94 DISTRHO_SAFE_ASSERT(!pData.visible); |
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95 } |
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96 |
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97 /* -------------------------------------------------------------------------------------------------------- |
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98 * ExternalWindow specific calls - Host side calls that you can reimplement for fine-grained funtionality */ |
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99 |
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100 /** |
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101 Check if main-loop is running. |
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102 This is used under standalone mode to check whether to keep things running. |
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103 Returning false from this function will stop the event-loop and close the window. |
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104 */ |
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105 virtual bool isRunning() const |
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106 { |
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107 #ifndef DISTRHO_OS_WINDOWS |
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108 if (ext.inUse) |
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109 return ext.isRunning(); |
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110 #endif |
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111 return isVisible(); |
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112 } |
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113 |
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114 /** |
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115 Check if we are about to close. |
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116 This is used when the event-loop is provided by the host to check if it should close the window. |
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117 It is also used in standalone mode right after isRunning() returns false to verify if window needs to be closed. |
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118 */ |
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119 virtual bool isQuitting() const |
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120 { |
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121 #ifndef DISTRHO_OS_WINDOWS |
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122 return ext.inUse ? ext.isQuitting : pData.isQuitting; |
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123 #else |
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124 return pData.isQuitting; |
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125 #endif |
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126 } |
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127 |
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128 /** |
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129 Get the "native" window handle. |
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130 This can be reimplemented in order to pass the native window to hosts that can use such informaton. |
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131 |
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132 Returned value type depends on the platform: |
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133 - HaikuOS: This is a pointer to a `BView`. |
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134 - MacOS: This is a pointer to an `NSView*`. |
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135 - Windows: This is a `HWND`. |
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136 - Everything else: This is an [X11] `Window`. |
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137 |
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138 @note Only available to override if DISTRHO_PLUGIN_HAS_EMBED_UI is set to 1. |
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139 */ |
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140 virtual uintptr_t getNativeWindowHandle() const noexcept |
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141 { |
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142 return 0; |
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143 } |
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144 |
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145 /** |
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146 Grab the keyboard input focus. |
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147 Typically you would setup OS-native methods to bring the window to front and give it focus. |
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148 Default implementation does nothing. |
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149 */ |
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150 virtual void focus() {} |
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151 |
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152 /* -------------------------------------------------------------------------------------------------------- |
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153 * TopLevelWidget-like calls - Information, can be called by either host or plugin */ |
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154 |
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155 #if DISTRHO_PLUGIN_HAS_EMBED_UI |
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156 /** |
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157 Whether this Window is embed into another (usually not DGL-controlled) Window. |
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158 */ |
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159 bool isEmbed() const noexcept |
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160 { |
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161 return pData.parentWindowHandle != 0; |
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162 } |
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163 #endif |
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164 |
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165 /** |
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166 Check if this window is visible. |
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167 @see setVisible(bool) |
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168 */ |
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169 bool isVisible() const noexcept |
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170 { |
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171 return pData.visible; |
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172 } |
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173 |
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174 /** |
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175 Whether this Window is running as standalone, that is, without being coupled to a host event-loop. |
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176 When in standalone mode, isRunning() is called to check if the event-loop should keep running. |
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177 */ |
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178 bool isStandalone() const noexcept |
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179 { |
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180 return pData.isStandalone; |
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181 } |
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182 |
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183 /** |
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184 Get width of this window. |
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185 Only relevant to hosts when the UI is embedded. |
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186 */ |
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187 uint getWidth() const noexcept |
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188 { |
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189 return pData.width; |
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190 } |
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191 |
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192 /** |
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193 Get height of this window. |
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194 Only relevant to hosts when the UI is embedded. |
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195 */ |
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196 uint getHeight() const noexcept |
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197 { |
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198 return pData.height; |
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199 } |
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200 |
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201 /** |
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202 Get the scale factor requested for this window. |
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203 This is purely informational, and up to developers to choose what to do with it. |
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204 */ |
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205 double getScaleFactor() const noexcept |
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206 { |
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207 return pData.scaleFactor; |
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208 } |
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209 |
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210 /** |
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211 Get the title of the window previously set with setTitle(). |
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212 This is typically displayed in the title bar or in window switchers. |
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213 */ |
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214 const char* getTitle() const noexcept |
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215 { |
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216 return pData.title; |
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217 } |
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218 |
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219 #if DISTRHO_PLUGIN_HAS_EMBED_UI |
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220 /** |
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221 Get the "native" window handle that this window should embed itself into. |
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222 Returned value type depends on the platform: |
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223 - HaikuOS: This is a pointer to a `BView`. |
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224 - MacOS: This is a pointer to an `NSView*`. |
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225 - Windows: This is a `HWND`. |
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226 - Everything else: This is an [X11] `Window`. |
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227 */ |
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228 uintptr_t getParentWindowHandle() const noexcept |
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229 { |
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230 return pData.parentWindowHandle; |
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231 } |
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232 #endif |
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233 |
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234 /** |
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235 Get the transient window that we should attach ourselves to. |
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236 TODO what id? also NSView* on macOS, or NSWindow? |
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237 */ |
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238 uintptr_t getTransientWindowId() const noexcept |
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239 { |
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240 return pData.transientWinId; |
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241 } |
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242 |
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243 /* -------------------------------------------------------------------------------------------------------- |
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244 * TopLevelWidget-like calls - actions called by either host or plugin */ |
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245 |
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246 /** |
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247 Hide window. |
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248 This is the same as calling setVisible(false). |
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249 Embed windows should never call this! |
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250 @see isVisible(), setVisible(bool) |
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251 */ |
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252 void hide() |
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253 { |
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254 setVisible(false); |
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255 } |
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256 |
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257 /** |
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258 Hide the UI and gracefully terminate. |
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259 Embed windows should never call this! |
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260 */ |
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261 virtual void close() |
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262 { |
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263 pData.isQuitting = true; |
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264 hide(); |
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265 #ifndef DISTRHO_OS_WINDOWS |
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266 if (ext.inUse) |
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267 terminateAndWaitForExternalProcess(); |
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268 #endif |
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269 } |
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270 |
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271 /** |
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272 Set width of this window. |
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273 Can trigger a sizeChanged callback. |
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274 Only relevant to hosts when the UI is embedded. |
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275 */ |
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276 void setWidth(uint width) |
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277 { |
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278 setSize(width, getHeight()); |
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279 } |
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280 |
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281 /** |
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282 Set height of this window. |
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283 Can trigger a sizeChanged callback. |
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284 Only relevant to hosts when the UI is embedded. |
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285 */ |
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286 void setHeight(uint height) |
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287 { |
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288 setSize(getWidth(), height); |
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289 } |
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290 |
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291 /** |
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292 Set size of this window using @a width and @a height values. |
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293 Can trigger a sizeChanged callback. |
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294 Only relevant to hosts when the UI is embedded. |
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295 */ |
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296 void setSize(uint width, uint height) |
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297 { |
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298 DISTRHO_SAFE_ASSERT_UINT_RETURN(width > 1, width,); |
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299 DISTRHO_SAFE_ASSERT_UINT_RETURN(height > 1, height,); |
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300 |
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301 if (pData.width == width && pData.height == height) |
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302 return; |
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303 |
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304 pData.width = width; |
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305 pData.height = height; |
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306 sizeChanged(width, height); |
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307 } |
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308 |
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309 /** |
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310 Set the title of the window, typically displayed in the title bar or in window switchers. |
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311 Can trigger a titleChanged callback. |
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312 Only relevant to hosts when the UI is not embedded. |
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313 */ |
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314 void setTitle(const char* title) |
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315 { |
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316 if (pData.title == title) |
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317 return; |
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318 |
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319 pData.title = title; |
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320 titleChanged(title); |
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321 } |
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322 |
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323 /** |
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324 Set geometry constraints for the Window when resized by the user. |
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325 */ |
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326 void setGeometryConstraints(uint minimumWidth, uint minimumHeight, bool keepAspectRatio = false) |
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327 { |
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328 DISTRHO_SAFE_ASSERT_UINT_RETURN(minimumWidth > 0, minimumWidth,); |
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329 DISTRHO_SAFE_ASSERT_UINT_RETURN(minimumHeight > 0, minimumHeight,); |
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330 |
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331 pData.minWidth = minimumWidth; |
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332 pData.minHeight = minimumHeight; |
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333 pData.keepAspectRatio = keepAspectRatio; |
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334 } |
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335 |
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336 /* -------------------------------------------------------------------------------------------------------- |
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337 * TopLevelWidget-like calls - actions called by the host */ |
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338 |
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339 /** |
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340 Show window. |
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341 This is the same as calling setVisible(true). |
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342 @see isVisible(), setVisible(bool) |
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343 */ |
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344 void show() |
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345 { |
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346 setVisible(true); |
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347 } |
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348 |
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349 /** |
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350 Set window visible (or not) according to @a visible. |
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351 @see isVisible(), hide(), show() |
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352 */ |
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353 void setVisible(bool visible) |
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354 { |
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355 if (pData.visible == visible) |
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356 return; |
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357 |
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358 pData.visible = visible; |
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359 visibilityChanged(visible); |
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360 } |
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361 |
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362 /** |
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363 Called by the host to set the transient parent window that we should attach ourselves to. |
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364 TODO what id? also NSView* on macOS, or NSWindow? |
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365 */ |
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366 void setTransientWindowId(uintptr_t winId) |
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367 { |
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368 if (pData.transientWinId == winId) |
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369 return; |
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370 |
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371 pData.transientWinId = winId; |
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372 transientParentWindowChanged(winId); |
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373 } |
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374 |
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375 protected: |
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376 /* -------------------------------------------------------------------------------------------------------- |
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377 * ExternalWindow special calls for running externals tools */ |
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378 |
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379 bool startExternalProcess(const char* args[]) |
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380 { |
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381 #ifndef DISTRHO_OS_WINDOWS |
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382 ext.inUse = true; |
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383 |
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384 return ext.start(args); |
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385 #else |
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386 (void)args; |
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387 return false; // TODO |
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388 #endif |
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389 } |
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390 |
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391 void terminateAndWaitForExternalProcess() |
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392 { |
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393 #ifndef DISTRHO_OS_WINDOWS |
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394 ext.isQuitting = true; |
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395 ext.terminateAndWait(); |
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396 #else |
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397 // TODO |
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398 #endif |
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399 } |
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400 |
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401 /* -------------------------------------------------------------------------------------------------------- |
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402 * ExternalWindow specific callbacks */ |
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403 |
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404 /** |
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405 A callback for when the window size changes. |
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406 @note WIP this might need to get fed back into the host somehow. |
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407 */ |
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408 virtual void sizeChanged(uint /* width */, uint /* height */) |
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409 { |
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410 // unused, meant for custom implementations |
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411 } |
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412 |
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413 /** |
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414 A callback for when the window title changes. |
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415 @note WIP this might need to get fed back into the host somehow. |
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416 */ |
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417 virtual void titleChanged(const char* /* title */) |
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418 { |
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419 // unused, meant for custom implementations |
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420 } |
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421 |
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422 /** |
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423 A callback for when the window visibility changes. |
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424 @note WIP this might need to get fed back into the host somehow. |
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425 */ |
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426 virtual void visibilityChanged(bool /* visible */) |
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427 { |
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428 // unused, meant for custom implementations |
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429 } |
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430 |
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431 /** |
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432 A callback for when the transient parent window changes. |
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433 */ |
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434 virtual void transientParentWindowChanged(uintptr_t /* winId */) |
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435 { |
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436 // unused, meant for custom implementations |
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437 } |
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438 |
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439 private: |
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440 friend class PluginWindow; |
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441 friend class UI; |
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442 |
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443 #ifndef DISTRHO_OS_WINDOWS |
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444 struct ExternalProcess { |
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445 bool inUse; |
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446 bool isQuitting; |
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447 mutable pid_t pid; |
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448 |
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449 ExternalProcess() |
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450 : inUse(false), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
451 isQuitting(false), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
452 pid(0) {} |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
453 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
454 bool isRunning() const noexcept |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
455 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
456 if (pid <= 0) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
457 return false; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
458 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
459 const pid_t p = ::waitpid(pid, nullptr, WNOHANG); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
460 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
461 if (p == pid || (p == -1 && errno == ECHILD)) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
462 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
463 d_stdout("NOTICE: Child process exited while idle"); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
464 pid = 0; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
465 return false; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
466 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
467 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
468 return true; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
469 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
470 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
471 bool start(const char* args[]) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
472 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
473 terminateAndWait(); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
474 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
475 pid = vfork(); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
476 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
477 switch (pid) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
478 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
479 case 0: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
480 execvp(args[0], (char**)args); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
481 _exit(1); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
482 return false; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
483 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
484 case -1: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
485 d_stderr("Could not start external ui"); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
486 return false; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
487 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
488 default: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
489 return true; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
490 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
491 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
492 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
493 void terminateAndWait() |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
494 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
495 if (pid <= 0) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
496 return; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
497 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
498 d_stdout("Waiting for external process to stop,,,"); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
499 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
500 bool sendTerm = true; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
501 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
502 for (pid_t p;;) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
503 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
504 p = ::waitpid(pid, nullptr, WNOHANG); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
505 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
506 switch (p) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
507 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
508 case 0: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
509 if (sendTerm) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
510 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
511 sendTerm = false; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
512 ::kill(pid, SIGTERM); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
513 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
514 break; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
515 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
516 case -1: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
517 if (errno == ECHILD) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
518 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
519 d_stdout("Done! (no such process)"); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
520 pid = 0; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
521 return; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
522 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
523 break; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
524 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
525 default: |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
526 if (p == pid) |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
527 { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
528 d_stdout("Done! (clean wait)"); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
529 pid = 0; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
530 return; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
531 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
532 break; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
533 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
534 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
535 // 5 msec |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
536 usleep(5*1000); |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
537 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
538 } |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
539 } ext; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
540 #endif |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
541 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
542 struct PrivateData { |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
543 uintptr_t parentWindowHandle; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
544 uintptr_t transientWinId; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
545 uint width; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
546 uint height; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
547 double scaleFactor; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
548 String title; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
549 uint minWidth; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
550 uint minHeight; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
551 bool keepAspectRatio; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
552 bool isQuitting; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
553 bool isStandalone; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
554 bool visible; |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
555 |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
556 PrivateData() |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
557 : parentWindowHandle(0), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
558 transientWinId(0), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
559 width(1), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
560 height(1), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
561 scaleFactor(1.0), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
562 title(), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
563 minWidth(0), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
564 minHeight(0), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
565 keepAspectRatio(false), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
566 isQuitting(false), |
84e66ea83026
DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff
changeset
|
567 isStandalone(false), |
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568 visible(false) {} |
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569 } pData; |
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570 |
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571 DISTRHO_DECLARE_NON_COPYABLE(ExternalWindow) |
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572 }; |
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parents:
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573 |
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574 // ----------------------------------------------------------------------- |
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575 |
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576 END_NAMESPACE_DISTRHO |
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577 |
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parents:
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578 #endif // DISTRHO_EXTERNAL_WINDOW_HPP_INCLUDED |