# Changelog ## v0.5.0 (11 Jan 2024) **New** * New, reworked application icon. * Graph is now mouse interactive: * You can now drag to move and scroll to zoom! * Builtin functions now provide usage when used in the autocomplete of the expression editor. **Changes** * When creating an object that can be positioned, new default behavior is to pick first instead of opening object settings. * Icons with text now use the SVG's text element, allowing them to integrate better with the system's default font. * Special characters popup is now context aware (e.g. no sub/supscript symbols in expressions). * New symbols in special characters popup. * Integrals and derivatives can now be provided with an executable object (e.g. Functions) instead of strings as function. * New description on Linux. **Fixed bugs** * Fixing ∞ 'variable' in domains and expressions. * Several other bugs related to constants in expresions were fixed as well. * Builtin functions now send an error message when not provided with the proper arguments. **Internal changes** * Updated to PySide6 v6.6.1. * Reworked continuous functions' rendering to make it faster. * Removed old bits from an unfinished new parser that weren't used. ## v0.4.0 (27 May 2023) **Changes** * Fully ported to PySide6 (Qt6). * Greet screen settings are now scrollable. * Changelog is now freezed to current version. **New** * Customizable color schemes for expressions. * New, rewamped and improved picked location overlay settings: * It's now possible to disable picking x or y when setting a location. * Properties which are related to positioning (X, Y, Label's X position) can now be set using the picker. * Visual redesign that enhances readability of settings. * There is now a button to hide picker settings. **Fixed bugs** * Cursors in expression are now easier to see. * Symbols in LaTeX rendered Texts cause the LaTeX renderer to crash. * Underscores in distribution names are automatically removed if the name is modified. * Autocomplete categories now properly respect theme colors. * Functions in expressions (like indexOf, map...) now properly send errors when the arguments are of the wrong type or count. * Executable Objects called (like functions, bode magnitures, phases...) now send an error if provided with no arguments. * Function calls with no argument no longer make LogarithmPlotter crash under certain circumstances. * Thank you dialog's lists are no longer draggable. **Internal changes** * A lot of inner changes led by porting to Qt6, fixing a lot of bugs at the same time. * Disabled auto detect of visual theme if the `QT_QUICK_CONTROLS_STYLE` environment variable is set. * (macOS, Windows, Flatpak) Drastically reducing installer sizes (more than halved). * (Launchpad/Ubuntu) Using custom built packages of PySide6, meaning smaller installation and distro dependency. ## v0.3.0 (28 Oct 2022) **New** * New completely revamped expression editor: * Automatic closing of parentheses and brackets (can be disabled in settings). * Syntax highlighting (can be disabled in the settings). * Autocompletion is now available (for functions, variables and constants, object names and properties) (can be disabled in the settings). * Object properties can now be used in expressions (e.g. if you have a point named A, you can use A.x to access its x value). * Executable objects can be now be used in expressions (e.g. if you have a function named 'f', it's accessible using `f(<value>)`). * LaTeX-rendered formulas are now used in the Objects and History tabs when LaTeX rendering is enabled. * Errors in formulas are now reported in message boxes. **Changes** * The Object Editor dialog has been completely reworked internally, resulting in notable performance improvements. * Vast improvements to the objects system: names can no longer be shared amongst different objects. * Disabled access to custom variable and function definition in expressions (can cause issues and vulnerabilities) * When using the set position cursor, the position change is now saved a single history action. * Distribution are now prefixed with an 'F_' to prevent confusion with X Cursors. **Added translations** * Autocompletion categories (English, French, German, Hungarian). * Expression editor settings (English, French, German, Hungarian). * Expression syntax errors (English, French, German, Hungarian). * On top of the above: * Hungarian: v0.2.0 added text (thanks @ovari!) * Spanish: Menu bars (thanks @Sergio Varela) * You can contribute to translation on [Weblate](https://hosted.weblate.org/projects/logarithmplotter/logarithmplotter/#repository). **Fixed bugs** * Fixing Texts not being properly recognized as texts when saving. * Text's 'Disable LaTeX' property is now properly saved. * X Cursors LaTeX rendering made the app crash. * Attempting to insert special character no longer automatically saves the expression you're editing. * Proper HDPI support for icons and buttons (note: HDPI is not available for the rendered canvas yet). * Support for non-latin characters in variables (e.g. greek letters, subtext, suptext) * Silent error when misentering variable names in the expression editor causing internal issues. * Fixing some utils function simplifying parentheses when they shouldn't have. * (flatpak and KDE SDK) Fixing the sometimes invisible buttons on the objects tab on startup. * (macos) Application string version does not match LogarithmPlotter's version. * (debian) (Normally) Fixing deb building. **Internal changes** * Object dependencies are now registered on both the dependant object, and the object it's depending on. * Objects now have a proper per-name registry. * Object Editor Dialog has been reworked to use loaders insteads. * Reworked the file loading system to be able to load dependencies properly. ## v0.2.0 (22 Apr 2022) **New** * (EXPERIMENTAL) LogarithmPlotter now has an optional LaTeX integration. * It requires a LaTeX installation, including `latexmk` and `dvipng` available in the PATH. * NOTE: LaTeX support is disabled by default and is only for working for the rendering on the graph. * NOTE: The objects and history tab still use the legacy text based expression rendering. * Thanks and contributions dialog, showing included libraries and translations, their license and author(s). * LaTeX rendering can be disabled for texts, even if LaTeX is enabled. **Changes** * History re/undos only redraw the graph every 4 change at most in order to speed up the process when re/undoing a lot of changes. * Gradients are no longer hidden when filtered out in the history tab. **Added translations** * LaTeX options and error messages * Thanks and contribution dialog * New option for text. * Fixed translation of "repartition" which should be "distribution" in certain remaining strings. **Fixed bugs** * (macos) #1 - Opening files don't work on compiled versions of LogarithmPlotter on MacOS * (snapcraft) Fixed bug preventing from launching LogarithmPlotter. This fix has been backported to v0.1.8. * (snapcraft) Files are now properly opened. * (snapcraft) Added changelog support. **Internal changes** * Moved python modules to "util" directory for more clarity. * Moved flatpak metainfo to eu.ad5001.LogarithmPlotter repository. * Componented the Mathlib library in order to have a more readable source. * Added documentation for most internal JavaScript modules. * Merge label drawing methods due to it's complexity. * (flatpak) Updated SDK version to v5.15-21.08. ## v0.1.8 (19 Feb 2022) **New** * There is now a [user manual](https://git.ad5001.eu/Ad5001/LogarithmPlotter/wiki/_Sidebar) for LogarithmPlotter! Contributions apprecriated. **Changes** * A link to [LogarithmPlotter's official website](https://apps.ad5001.eu/logarithmplotter/) has been added in the about dialog. * A link to the [user manual](https://git.ad5001.eu/Ad5001/LogarithmPlotter/wiki/_Sidebar) has been added both on the greeting screen and the `Help` menu. **Added translations** * User manual. * Official website. **Fixed bugs** * The label position of X Cursors now display the label even when unexpected values are entered. * X Cursors target object in history are now properly rendered when no object were selected * Fixed slight clipping at the bottom of the border. * TextInput no longer allow to input forbidden characters for numbers. * ALT+ shortcuts on the menu bar now work. NOTE: May break some mobile configuration. [Qt bug report](https://bugreports.qt.io/browse/QTBUG-100539) * (flatpak) Buttons on side menu to create object now have proper width on startup. **Internal changes** * There is now a script to generate offline versions of the manual based on their online version. * Sidebar button width is now fixed. * Artifacts have been added to appstream metadata. ## v0.1.7 (03 Feb 2022) **New** * The history browser has been completly redesigned, improving UX. * The history browser now features a filter bar. * All side panel tabs now have a visually identifiable scrollbar. **Changes** * Shorter rich text representations of history entries to improve readability. * Usage of gradiants and icons to better identify history entries at a glance. * History entries are now showing the whole label on several lines, instead of cutting it at the end. * New history action for renaming. * New history action for coloring. Note: color changing history entries created in previous versions of LogarithmPlotter will not be updated. * Tooltips for object creation buttons have been added. * Tooltips have been set to have a delay of 200ms to match most software's handling of them. * Object creation buttons now have a unified style accross all platforms. **Added translations** * History action of renaming objects. * History action of changing the color of objects. * Filtering for history browser. **Fixed bugs** * Visibility history actions (shown and hidden) are now properly savedmaking loading them not automaticly changed to "Show". * Name changes history actions are now properly saved. * Non translated object type on the "+ Create new object" item selection combobox for Bode Magnitude and Phase. * Proper handling for future LogarithmPlotter files. * Shortcuts not being displayed in the menu bar are now properly shown. * (flatpak) Black versions of the icons when using a black theme with the KDE SDK. * (debian) Fixed launchpad building properly. **Internal changes** * Better organisation on icons. * Historylib has been separated in several files. * Trying to switch metainfo once more to try and fix another bug. * Keywords added to metainfo. ## v0.1.6 (29 Jan 2022) **New** * A new changelog popup is available at startup and in the help menu. **Added translations** * Object properties names. * Object properties enum values. * Object comments. * Most elements using a ":". **Fixed bugs** * X Cursor's targets can now be set to null. * History now imports domains and objects properly. * Proper handling for future LogarithmPlotter files. * (debian) Fixing bug that created a /build directory and didn't put the icons in the right directories. **Other** * Other: Refractoring done on helper. * Other: All QML elements are now properly commented. * Other: Scripts have been moved to it's own directory. * Other: Added changelog to metainfo for flathub. ## v0.1.5 (26 Jan 2022) **New** * LogarithmPlotter has now better handling of very high values in logarithmic scale. **Added translations** * Flatpak metadata, including translated image. **Fixed bugs** * (!) File saving dialog was not working. * (!) Debian packages does include any language file. * X Cursor pointing does not detect any object. ## v0.1.4 (24 Jan 2022) **New** * LogarithmPlotter detects unsaved changes. * LogarithmPlotter is now translated! * New translation: English by Ad5001: 100% * New translation: French by Ad5001: 100% * New translation: German by Ad5001: 100% * New translation: Hungarian by Óvári (@ovari on github): 100% * New translation: Norvegian by Allan Nordhøy (@comradekingu on github): 80% **Fixed bugs** * Fixed bug: No notification when closing LogarithmPlotter with unsaved changes. * Fixed bug: π unavailable in symbols. ## v0.1.3 (18 Jan 2022) **Fixed bugs** * Sandboxed packages (snapcraft and flatpak) won't show error messages related to update checks. * Equations of the form (x + y) / z were not being simplified properly. ## v0.1.2 (30 Sep 2021) **Fixed bugs** * Unable to move Bode diagrams elements when having deleted the sum element. * Names were not not being changed from previous object when editing a new one. * Bode Magnitude was not drawn far enough. * Bode Magnitude had undefined ending. * Other bugs patched in v0.1.1. ## v0.1 (26 Aug 2021) * Initial release.