Fix Font Style on Windows and macOS

[ddennedy]

No description provided.

[Copilot]

Pull request overview

This PR aims to improve font style fidelity (especially on Windows and macOS) by explicitly tracking and applying a font’s styleName alongside the family, ensuring the UI dialogs and underlying rich text state stay consistent.

Changes:

• Added fontStyleName as a QML-exposed property on QmlRichText and implemented getter/setter behavior.
• Updated the rich text filter UI to round-trip styleName through the font dialog.
• Updated TextFilterUi.qml to persist a separate shotcut:fontStyle property and normalize the font family passed into Qt.font().

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
src/qmltypes/qmlrichtext.h	Exposes fontStyleName as a Q_PROPERTY for QML consumption.
src/qmltypes/qmlrichtext.cpp	Implements reading/applying QFont::styleName() through cursor char formats.
src/qml/modules/Shotcut/Controls/TextFilterUi.qml	Stores style name separately and adjusts family/style mapping when initializing the font dialog.
src/qml/filters/richtext/vui.qml	Ensures rich text font dialogs set/apply styleName alongside family and size.

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[Copilot]

Pull request overview

Adds support for preserving/setting a font’s Qt styleName across the rich text editor and text filter UIs to correct font style behavior on Windows and macOS.

Changes:

• Expose fontStyleName as a new QML property on QmlRichText and implement getter/setter in C++.
• Persist a new filter parameter shotcut:fontStyle and map it into/out of Qt.font() in TextFilterUi.qml.
• Update the rich text font dialog wiring to round-trip styleName (and fix a seelctedFont typo).

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
src/qmltypes/qmlrichtext.h	Adds fontStyleName Q_PROPERTY, accessor, mutator, and notify signal.
src/qmltypes/qmlrichtext.cpp	Implements fontStyleName() / setFontStyleName() and emits change notifications on reset.
src/qml/modules/Shotcut/Controls/TextFilterUi.qml	Persists shotcut:fontStyle and uses it when initializing/updating the font dialog selection.
src/qml/filters/richtext/vui.qml	Ensures font dialog round-trips styleName and fixes a typo accessing selectedFont.

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[Copilot]

Pull request overview

This PR improves font style handling in Shotcut’s QML-based text UIs to better preserve/select platform-specific font variants (notably on Windows and macOS) by introducing and propagating a styleName concept.

Changes:

• Added a fontStyleName Q_PROPERTY to QmlRichText and implemented getter/setter using QFont::styleName.
• Updated TextFilterUi.qml to interpret the MLT style property as either normal/italic or a non-standard font style name, and to pass that into Qt.font({ styleName }).
• Updated rich text UI to round-trip selectedFont.styleName and fixed a typo that prevented selectedFont.pointSize from being set.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
src/qmltypes/qmlrichtext.h	Exposes fontStyleName to QML via a new property + signal/slot.
src/qmltypes/qmlrichtext.cpp	Implements reading/applying font styleName on the current text cursor format.
src/qml/modules/Shotcut/Controls/TextFilterUi.qml	Updates text filter font selection to preserve non-standard style names via the existing style property.
src/qml/filters/richtext/vui.qml	Propagates styleName into/out of the font dialog and fixes a misspelled selectedFont reference.

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