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HeaderSection Class Reference

The topmost section of the synthesizer GUI, displaying the logo, tab selector, preset controls, oscilloscope, and more. More...

#include <header_section.h>

Inheritance diagram for HeaderSection:
SynthSection SaveSection::Listener SynthPresetSelector::Listener LogoSection::Listener SynthButton::ButtonListener

Classes

class  Listener
 Interface for objects that need to be notified of events from the HeaderSection. More...
 

Public Member Functions

 HeaderSection ()
 Constructs the HeaderSection.
 
void paintBackground (Graphics &g) override
 Paints the background of the header, including tab areas, preset areas, and optional expiration countdown.
 
void resized () override
 Resizes and rearranges child components within the header.
 
void reset () override
 Resets the header, typically after loading a preset or making other state changes.
 
void setAllValues (vital::control_map &controls) override
 Sets parameter values for the header section.
 
void buttonClicked (Button *clicked_button) override
 Handles button clicks within the header (e.g., toggling spectrogram, exiting temporary tabs).
 
void sliderValueChanged (Slider *slider) override
 Handles slider value changes (e.g., when the tab selector moves to a different tab).
 
void setPresetBrowserVisibility (bool visible) override
 Called to show or hide the preset browser.
 
void setBankExporterVisibility (bool visible) override
 Called to show or hide the bank exporter.
 
void deleteRequested (File preset) override
 Handles the request to delete a given preset.
 
void bankImported () override
 Called when a bank of presets has been imported.
 
void save (File preset) override
 Called after saving a preset, allowing the header to update its state (e.g., mark as unmodified).
 
void setTemporaryTab (String name)
 Sets a temporary tab name, typically when overlaying the preset browser or bank exporter.
 
void showAboutSection () override
 Called when the logo's listener requests the About section.
 
void setOscilloscopeMemory (const vital::poly_float *memory)
 Sets the memory used by the oscilloscope for visualization.
 
void setAudioMemory (const vital::StereoMemory *memory)
 Sets the memory used by the spectrogram for visualization.
 
void notifyChange ()
 Marks the interface as having unsaved changes.
 
void notifyFresh ()
 Marks the interface as having no unsaved changes.
 
void setSaveSection (SaveSection *save_section)
 Assigns the SaveSection used by the header's preset selector.
 
void setBrowser (PresetBrowser *browser)
 Assigns the preset browser to the preset selector.
 
void setBankExporter (BankExporter *exporter)
 Assigns the bank exporter to the preset selector.
 
void addListener (Listener *listener)
 Adds a Listener to receive header events.
 
void setTabOffset (int offset)
 Sets the horizontal offset for the tab selector, allowing flexible layout adjustments.
 
- Public Member Functions inherited from SynthSection
 SynthSection (const String &name)
 Constructs a SynthSection with a given name.
 
virtual ~SynthSection ()=default
 
void setParent (const SynthSection *parent)
 Sets the parent SynthSection.
 
float findValue (Skin::ValueId value_id) const
 Finds a value in the skin overrides or from the parent if not found locally.
 
virtual void paint (Graphics &g) override
 Called when the component should paint itself.
 
virtual void paintSidewaysHeadingText (Graphics &g)
 Paints the section name heading text vertically if sideways_heading_ is true.
 
virtual void paintHeadingText (Graphics &g)
 Paints the heading text for this section, either sideways or horizontally.
 
virtual void setSkinValues (const Skin &skin, bool top_level)
 Sets skin values (colors, sizes) and applies them to sub-sections.
 
void setSkinOverride (Skin::SectionOverride skin_override)
 
virtual void repaintBackground ()
 Requests a repaint of the background.
 
void showPopupBrowser (SynthSection *owner, Rectangle< int > bounds, std::vector< File > directories, String extensions, std::string passthrough_name, std::string additional_folders_name)
 Shows a file browser popup (e.g., for loading samples or wavetables).
 
void updatePopupBrowser (SynthSection *owner)
 Updates the currently visible popup browser if any.
 
void showPopupSelector (Component *source, Point< int > position, const PopupItems &options, std::function< void(int)> callback, std::function< void()> cancel={ })
 Shows a popup selector with options.
 
void showDualPopupSelector (Component *source, Point< int > position, int width, const PopupItems &options, std::function< void(int)> callback)
 Shows a dual popup selector for hierarchical selection.
 
void showPopupDisplay (Component *source, const std::string &text, BubbleComponent::BubblePlacement placement, bool primary)
 Shows a brief popup display (like a tooltip).
 
void hidePopupDisplay (bool primary)
 Hides the currently shown popup display.
 
virtual void loadFile (const File &file)
 Loads a file (e.g., a sample or wavetable). Overridden by subclasses.
 
virtual File getCurrentFile ()
 Gets the currently loaded file. Overridden by subclasses.
 
virtual std::string getFileName ()
 Gets the name of the currently loaded file. Overridden by subclasses.
 
virtual std::string getFileAuthor ()
 Gets the author metadata of the currently loaded file. Overridden by subclasses.
 
virtual void paintContainer (Graphics &g)
 Paints the container background, body, heading, etc.
 
virtual void paintBody (Graphics &g, Rectangle< int > bounds)
 Paints the body background within given bounds.
 
virtual void paintBorder (Graphics &g, Rectangle< int > bounds)
 Paints the border around given bounds.
 
virtual void paintBody (Graphics &g)
 Paints the section body background using the entire component area.
 
virtual void paintBorder (Graphics &g)
 Paints the border around the entire component.
 
int getComponentShadowWidth ()
 Gets the width of shadow around components.
 
virtual void paintTabShadow (Graphics &g)
 Paints a tab-like shadow effect around the component.
 
void paintTabShadow (Graphics &g, Rectangle< int > bounds)
 Paints a tab shadow effect within specified bounds.
 
virtual void paintBackgroundShadow (Graphics &g)
 Stub for painting background shadows. Overridden by subclasses if needed.
 
virtual void setSizeRatio (float ratio)
 Sets the size ratio for scaling UI elements.
 
void paintKnobShadows (Graphics &g)
 Paints knob shadows for all sliders.
 
Font getLabelFont ()
 Gets a suitable font for label text.
 
void setLabelFont (Graphics &g)
 Sets the Graphics context font and color for labels.
 
void drawLabelConnectionForComponents (Graphics &g, Component *left, Component *right)
 Draws a rectangular connection between labels of two components.
 
void drawLabelBackground (Graphics &g, Rectangle< int > bounds, bool text_component=false)
 Draws a background for a label area.
 
void drawLabelBackgroundForComponent (Graphics &g, Component *component)
 Draws label background for a specific component.
 
Rectangle< int > getDividedAreaBuffered (Rectangle< int > full_area, int num_sections, int section, int buffer)
 Divides an area into equal sections with buffering, returns the specified section.
 
Rectangle< int > getDividedAreaUnbuffered (Rectangle< int > full_area, int num_sections, int section, int buffer)
 Divides an area into equal sections without extra buffering, returns the specified section.
 
Rectangle< int > getLabelBackgroundBounds (Rectangle< int > bounds, bool text_component=false)
 Gets the background bounds for a label.
 
Rectangle< int > getLabelBackgroundBounds (Component *component, bool text_component=false)
 Gets the label background bounds for a component.
 
void drawLabel (Graphics &g, String text, Rectangle< int > component_bounds, bool text_component=false)
 Draws a label text below a component.
 
void drawLabelForComponent (Graphics &g, String text, Component *component, bool text_component=false)
 Draws a label for a given component.
 
void drawTextBelowComponent (Graphics &g, String text, Component *component, int space, int padding=0)
 Draws text below a component with optional padding.
 
virtual void paintChildrenShadows (Graphics &g)
 Paints shadows for child sections.
 
void paintChildrenBackgrounds (Graphics &g)
 Paints the backgrounds for all child sections.
 
void paintOpenGlChildrenBackgrounds (Graphics &g)
 Paints the backgrounds for all OpenGL child components.
 
void paintChildBackground (Graphics &g, SynthSection *child)
 Paints a child's background specifically.
 
void paintChildShadow (Graphics &g, SynthSection *child)
 Paints a child's shadow specifically.
 
void paintOpenGlBackground (Graphics &g, OpenGlComponent *child)
 Paints the background of an OpenGlComponent child.
 
void drawTextComponentBackground (Graphics &g, Rectangle< int > bounds, bool extend_to_label)
 Draws a background for a text component area.
 
void drawTempoDivider (Graphics &g, Component *sync)
 Draws a divider line for tempo-related controls.
 
virtual void initOpenGlComponents (OpenGlWrapper &open_gl)
 Initializes all OpenGL components in this section and sub-sections.
 
virtual void renderOpenGlComponents (OpenGlWrapper &open_gl, bool animate)
 Renders all OpenGL components in this section and sub-sections.
 
virtual void destroyOpenGlComponents (OpenGlWrapper &open_gl)
 Destroys all OpenGL components in this section and sub-sections.
 
virtual void guiChanged (SynthButton *button) override
 Called when a SynthButton state changes (GUI interaction).
 
std::map< std::string, SynthSlider * > getAllSliders ()
 Gets all sliders registered in this section.
 
std::map< std::string, ToggleButton * > getAllButtons ()
 Gets all toggle buttons registered in this section.
 
std::map< std::string, ModulationButton * > getAllModulationButtons ()
 Gets all modulation buttons registered in this section.
 
virtual void setActive (bool active)
 Sets the active state of this section and sub-sections.
 
bool isActive () const
 Checks if the section is currently active.
 
virtual void animate (bool animate)
 Triggers animation state change in sub-sections if needed.
 
virtual void setValue (const std::string &name, vital::mono_float value, NotificationType notification)
 Sets a single parameter value for a known control.
 
void addModulationButton (ModulationButton *button, bool show=true)
 Adds a modulation button to this section.
 
void addSubSection (SynthSection *section, bool show=true)
 Adds a subsection (another SynthSection) as a child.
 
void removeSubSection (SynthSection *section)
 Removes a previously added subsection.
 
virtual void setScrollWheelEnabled (bool enabled)
 Enables or disables scroll wheel support for this section and sub-sections.
 
ToggleButton * activator () const
 Gets the activator toggle button if any.
 
void setSkinValues (std::map< Skin::ValueId, float > values)
 Sets custom skin values for this section.
 
void setSkinValue (Skin::ValueId id, float value)
 Sets a single skin value override.
 
float getTitleWidth ()
 
float getPadding ()
 
float getPowerButtonOffset () const
 
float getKnobSectionHeight ()
 
float getSliderWidth ()
 
float getSliderOverlap ()
 
float getSliderOverlapWithSpace ()
 
float getTextComponentHeight ()
 
float getStandardKnobSize ()
 
float getTotalKnobHeight ()
 
float getTextSectionYOffset ()
 
float getModButtonWidth ()
 
float getModFontSize ()
 
float getWidgetMargin ()
 
float getWidgetRounding ()
 
float getSizeRatio () const
 
int getPopupWidth () const
 
int getDualPopupWidth () const
 
- Public Member Functions inherited from SynthButton::ButtonListener
virtual ~ButtonListener ()
 Virtual destructor.
 
- Public Member Functions inherited from SaveSection::Listener
virtual ~Listener ()=default
 
- Public Member Functions inherited from SynthPresetSelector::Listener
virtual ~Listener ()
 Virtual destructor for proper cleanup.
 
- Public Member Functions inherited from LogoSection::Listener
virtual ~Listener ()
 

Additional Inherited Members

- Static Public Attributes inherited from SynthSection
static constexpr int kDefaultPowerButtonOffset = 0
 
static constexpr float kPowerButtonPaddingPercent = 0.29f
 
static constexpr float kTransposeHeightPercent = 0.5f
 
static constexpr float kTuneHeightPercent = 0.4f
 
static constexpr float kJointModulationRadiusPercent = 0.1f
 
static constexpr float kJointModulationExtensionPercent = 0.6666f
 
static constexpr float kPitchLabelPercent = 0.33f
 
static constexpr float kJointLabelHeightPercent = 0.4f
 
static constexpr double kTransposeMouseSensitivity = 0.2
 
static constexpr float kJointLabelBorderRatioX = 0.05f
 
static constexpr int kDefaultBodyRounding = 4
 
static constexpr int kDefaultLabelHeight = 10
 
static constexpr int kDefaultLabelBackgroundHeight = 16
 
static constexpr int kDefaultLabelBackgroundWidth = 56
 
static constexpr int kDefaultLabelBackgroundRounding = 4
 
static constexpr int kDefaultPadding = 2
 
static constexpr int kDefaultPopupMenuWidth = 150
 
static constexpr int kDefaultDualPopupMenuWidth = 340
 
static constexpr int kDefaultStandardKnobSize = 32
 
static constexpr int kDefaultKnobThickness = 2
 
static constexpr float kDefaultKnobModulationAmountThickness = 2.0f
 
static constexpr int kDefaultKnobModulationMeterSize = 43
 
static constexpr int kDefaultKnobModulationMeterThickness = 4
 
static constexpr int kDefaultModulationButtonWidth = 64
 
static constexpr int kDefaultModFontSize = 10
 
static constexpr int kDefaultKnobSectionHeight = 64
 
static constexpr int kDefaultSliderWidth = 24
 
static constexpr int kDefaultTextWidth = 80
 
static constexpr int kDefaultTextHeight = 24
 
static constexpr int kDefaultWidgetMargin = 6
 
static constexpr float kDefaultWidgetFillFade = 0.3f
 
static constexpr float kDefaultWidgetLineWidth = 4.0f
 
static constexpr float kDefaultWidgetFillCenter = 0.0f
 
- Protected Member Functions inherited from SynthSection
void setSliderHasHzAlternateDisplay (SynthSlider *slider)
 
void setSidewaysHeading (bool sideways)
 
void addToggleButton (ToggleButton *button, bool show)
 
void addButton (OpenGlToggleButton *button, bool show=true)
 
void addButton (OpenGlShapeButton *button, bool show=true)
 
void addSlider (SynthSlider *slider, bool show=true, bool listen=true)
 
void addOpenGlComponent (OpenGlComponent *open_gl_component, bool to_beginning=false)
 
void setActivator (SynthButton *activator)
 
void createOffOverlay ()
 
void setPresetSelector (PresetSelector *preset_selector, bool half=false)
 
void paintJointControlSliderBackground (Graphics &g, int x, int y, int width, int height)
 
void paintJointControlBackground (Graphics &g, int x, int y, int width, int height)
 
void paintJointControl (Graphics &g, int x, int y, int width, int height, const std::string &name)
 
void placeJointControls (int x, int y, int width, int height, SynthSlider *left, SynthSlider *right, Component *widget=nullptr)
 
void placeTempoControls (int x, int y, int width, int height, SynthSlider *tempo, SynthSlider *sync)
 
void placeRotaryOption (Component *option, SynthSlider *rotary)
 
void placeKnobsInArea (Rectangle< int > area, std::vector< Component * > knobs)
 
void lockCriticalSection ()
 
void unlockCriticalSection ()
 
Rectangle< int > getPresetBrowserBounds ()
 
int getTitleTextRight ()
 
Rectangle< int > getPowerButtonBounds ()
 
Rectangle< int > getTitleBounds ()
 
float getDisplayScale () const
 
virtual int getPixelMultiple () const
 
- Protected Attributes inherited from SynthSection
std::map< Skin::ValueId, float > value_lookup_
 
std::vector< SynthSection * > sub_sections_
 
std::vector< OpenGlComponent * > open_gl_components_
 
std::map< std::string, SynthSlider * > slider_lookup_
 
std::map< std::string, Button * > button_lookup_
 
std::map< std::string, ModulationButton * > modulation_buttons_
 
std::map< std::string, SynthSlider * > all_sliders_
 
std::map< std::string, ToggleButton * > all_buttons_
 
std::map< std::string, ModulationButton * > all_modulation_buttons_
 
const SynthSectionparent_
 
SynthButtonactivator_
 
PresetSelectorpreset_selector_
 
bool preset_selector_half_width_
 
std::unique_ptr< OffOverlayoff_overlay_
 
Skin::SectionOverride skin_override_
 
float size_ratio_
 
bool active_
 
bool sideways_heading_
 

Detailed Description

The topmost section of the synthesizer GUI, displaying the logo, tab selector, preset controls, oscilloscope, and more.

The HeaderSection manages:

  • A logo section (LogoSection)
  • A tab selector for switching between main sections (e.g., VOICE, EFFECTS, MATRIX, ADVANCED)
  • A preset selector for loading and saving patches
  • Volume and display elements like oscilloscope or spectrogram
  • Temporary tabs and overlays (e.g., preset browser, bank exporter)

Listeners can respond to changes such as tab selections, preset loading, or bank exports.

Constructor & Destructor Documentation

◆ HeaderSection()

HeaderSection::HeaderSection ( )

Constructs the HeaderSection.

Member Function Documentation

◆ addListener()

void HeaderSection::addListener ( Listener * listener)
inline

Adds a Listener to receive header events.

Parameters
listenerA pointer to an object implementing HeaderSection::Listener.

◆ bankImported()

void HeaderSection::bankImported ( )
overridevirtual

Called when a bank of presets has been imported.

Implements SynthPresetSelector::Listener.

◆ buttonClicked()

void HeaderSection::buttonClicked ( Button * clicked_button)
overridevirtual

Handles button clicks within the header (e.g., toggling spectrogram, exiting temporary tabs).

Parameters
clicked_buttonThe button that was clicked.

Reimplemented from SynthSection.

◆ deleteRequested()

void HeaderSection::deleteRequested ( File preset)
overridevirtual

Handles the request to delete a given preset.

Parameters
presetThe preset file to delete.

Implements SynthPresetSelector::Listener.

◆ notifyChange()

void HeaderSection::notifyChange ( )

Marks the interface as having unsaved changes.

◆ notifyFresh()

void HeaderSection::notifyFresh ( )

Marks the interface as having no unsaved changes.

◆ paintBackground()

void HeaderSection::paintBackground ( Graphics & g)
overridevirtual

Paints the background of the header, including tab areas, preset areas, and optional expiration countdown.

Parameters
gThe graphics context.

Reimplemented from SynthSection.

◆ reset()

void HeaderSection::reset ( )
overridevirtual

Resets the header, typically after loading a preset or making other state changes.

Reimplemented from SynthSection.

◆ resized()

void HeaderSection::resized ( )
overridevirtual

Resizes and rearranges child components within the header.

Reimplemented from SynthSection.

◆ save()

void HeaderSection::save ( File preset)
overridevirtual

Called after saving a preset, allowing the header to update its state (e.g., mark as unmodified).

Parameters
presetThe file that was just saved.

Implements SaveSection::Listener.

◆ setAllValues()

void HeaderSection::setAllValues ( vital::control_map & controls)
overridevirtual

Sets parameter values for the header section.

Parameters
controlsA map of parameter names and values.

Reimplemented from SynthSection.

◆ setAudioMemory()

void HeaderSection::setAudioMemory ( const vital::StereoMemory * memory)

Sets the memory used by the spectrogram for visualization.

Parameters
memoryPointer to StereoMemory used by the spectrogram.

◆ setBankExporter()

void HeaderSection::setBankExporter ( BankExporter * exporter)
inline

Assigns the bank exporter to the preset selector.

Parameters
exporterA pointer to the BankExporter.

◆ setBankExporterVisibility()

void HeaderSection::setBankExporterVisibility ( bool visible)
overridevirtual

Called to show or hide the bank exporter.

Parameters
visibleTrue to show, false to hide.

Implements SynthPresetSelector::Listener.

◆ setBrowser()

void HeaderSection::setBrowser ( PresetBrowser * browser)
inline

Assigns the preset browser to the preset selector.

Parameters
browserA pointer to the PresetBrowser.

◆ setOscilloscopeMemory()

void HeaderSection::setOscilloscopeMemory ( const vital::poly_float * memory)

Sets the memory used by the oscilloscope for visualization.

Parameters
memoryPointer to poly_float memory used by the oscilloscope.

◆ setPresetBrowserVisibility()

void HeaderSection::setPresetBrowserVisibility ( bool visible)
overridevirtual

Called to show or hide the preset browser.

Parameters
visibleTrue to show, false to hide.

Implements SynthPresetSelector::Listener.

◆ setSaveSection()

void HeaderSection::setSaveSection ( SaveSection * save_section)
inline

Assigns the SaveSection used by the header's preset selector.

Parameters
save_sectionA pointer to the SaveSection.

◆ setTabOffset()

void HeaderSection::setTabOffset ( int offset)
inline

Sets the horizontal offset for the tab selector, allowing flexible layout adjustments.

Parameters
offsetThe new offset in pixels.

◆ setTemporaryTab()

void HeaderSection::setTemporaryTab ( String name)

Sets a temporary tab name, typically when overlaying the preset browser or bank exporter.

Parameters
nameThe name of the temporary tab.

◆ showAboutSection()

void HeaderSection::showAboutSection ( )
inlineoverridevirtual

Called when the logo's listener requests the About section.

Implements LogoSection::Listener.

◆ sliderValueChanged()

void HeaderSection::sliderValueChanged ( Slider * slider)
overridevirtual

Handles slider value changes (e.g., when the tab selector moves to a different tab).

Parameters
sliderThe slider that changed value.

Reimplemented from SynthSection.


The documentation for this class was generated from the following files: