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annotate DPF-Prymula-audioplugins/dpf/distrho/extra/FileBrowserDialogImpl.hpp @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
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) 2012-2022 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 #if !defined(DISTRHO_FILE_BROWSER_DIALOG_HPP_INCLUDED) && !defined(DGL_FILE_BROWSER_DIALOG_HPP_INCLUDED)
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18 # error bad include
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19 #endif
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20
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21 // --------------------------------------------------------------------------------------------------------------------
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22 // File Browser Dialog stuff
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23
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24 struct FileBrowserData;
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25 typedef FileBrowserData* FileBrowserHandle;
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26
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27 // --------------------------------------------------------------------------------------------------------------------
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28
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29 /**
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30 File browser options, for customizing the file browser dialog.@n
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31 By default the file browser dialog will be work as "open file" in the current working directory.
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32 */
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33 struct FileBrowserOptions {
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34 /** Whether we are saving, opening files otherwise (default) */
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35 bool saving;
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36
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37 /** Default filename when saving, required in some platforms (basename without path separators) */
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38 const char* defaultName;
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39
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40 /** Start directory, uses current working directory if null */
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41 const char* startDir;
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42
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43 /** File browser dialog window title, uses "FileBrowser" if null */
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44 const char* title;
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45
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46 // TODO file filter
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47
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48 /**
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49 File browser button state.
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50 This allows to customize the behaviour of the file browse dialog buttons.
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51 Note these are merely hints, not all systems support them.
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52 */
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53 enum ButtonState {
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54 kButtonInvisible,
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55 kButtonVisibleUnchecked,
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56 kButtonVisibleChecked,
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57 };
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58
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59 /**
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60 File browser buttons.
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61 */
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62 struct Buttons {
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63 /** Whether to list all files vs only those with matching file extension */
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64 ButtonState listAllFiles;
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65 /** Whether to show hidden files */
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66 ButtonState showHidden;
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67 /** Whether to show list of places (bookmarks) */
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68 ButtonState showPlaces;
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69
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70 /** Constructor for default values */
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71 Buttons()
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72 : listAllFiles(kButtonVisibleChecked),
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73 showHidden(kButtonVisibleUnchecked),
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74 showPlaces(kButtonVisibleChecked) {}
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75 } buttons;
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76
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77 /** Constructor for default values */
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78 FileBrowserOptions()
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79 : saving(false),
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80 defaultName(nullptr),
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81 startDir(nullptr),
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82 title(nullptr),
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83 buttons() {}
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84 };
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85
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86 // --------------------------------------------------------------------------------------------------------------------
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87
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88 /**
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89 Create a new file browser dialog.
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90
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91 @p isEmbed: Whether the window this dialog belongs to is an embed/child window (needed to close dialog on Windows)
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92 @p windowId: The native window id to attach this dialog to as transient parent (X11 Window, HWND or NSView*)
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93 @p scaleFactor: Scale factor to use (only used on X11)
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94 @p options: Extra options, optional
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95 By default the file browser dialog will work as "open file" in the current working directory.
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96 */
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97 FileBrowserHandle fileBrowserCreate(bool isEmbed,
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98 uintptr_t windowId,
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99 double scaleFactor,
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100 const FileBrowserOptions& options = FileBrowserOptions());
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101
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102 /**
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103 Idle the file browser dialog handle.@n
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104 Returns true if dialog was closed (with or without a file selection),
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105 in which case this idle function must not be called anymore for this handle.
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106 You can then call fileBrowserGetPath to know the selected file (or null if cancelled).
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107 */
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108 bool fileBrowserIdle(const FileBrowserHandle handle);
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109
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110 /**
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111 Close and free the file browser dialog, handle must not be used afterwards.
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112 */
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113 void fileBrowserClose(const FileBrowserHandle handle);
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114
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115 /**
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116 Get the path chosen by the user or null.@n
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117 Should only be called after fileBrowserIdle returns true.
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118 */
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119 const char* fileBrowserGetPath(const FileBrowserHandle handle);
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120
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121 // --------------------------------------------------------------------------------------------------------------------