Line data    Source code

       1              : /*
       2              :   ==============================================================================
       3              :     OptionsPanelLayout — computes Y positions for the options panel given
       4              :     section fold states and scroll offset.
       5              :     Pure C++, no JUCE dependency, so it can be unit-tested independently.
       6              :   ==============================================================================
       7              : */
       8              : 
       9              : #pragma once
      10              : #include "StyleTokens.h"
      11              : 
      12           21 : class OptionsPanelLayout {
      13              : public:
      14              :     enum Section { MidiRouting = 0, Video, Circles, Animation, SectionCount };
      15              : 
      16              :     // Fold state
      17              :     void setFolded(Section s, bool folded);
      18              :     bool isFolded(Section s) const;
      19              :     void toggleFolded(Section s);
      20              : 
      21              :     // Scroll state
      22              :     void setScrollOffset(int offset);
      23              :     int scrollOffset() const;
      24              :     void scrollBy(int delta);
      25              : 
      26              :     // Viewport
      27              :     void setViewportHeight(int h);
      28              :     int viewportHeight() const;
      29              : 
      30              :     // Computed values
      31              :     int contentHeight() const;
      32              :     int maxScrollOffset() const;
      33              : 
      34              :     // Y positions in content space (subtract scrollOffset() for screen Y).
      35              :     // Fixed header area (above foldable sections)
      36              :     static constexpr int kTitleY = 8;
      37              :     static constexpr int kFirstDividerY = 30;
      38              :     static constexpr int kMidiSettingsButtonY = 34;
      39              : 
      40              :     // Section header Y (accounts for fold state of preceding sections)
      41              :     int sectionHeaderY(Section s) const;
      42              : 
      43              :     // Section content start Y (header Y + header height)
      44              :     int sectionContentY(Section s) const;
      45              : 
      46              :     // Convenience accessors for specific widget Y offsets within each section.
      47              :     // These return absolute content-space Y values.
      48              :     int midiRoutingFirstRowY() const;
      49              :     int videoTransportY() const;
      50              :     int videoSeekBarY() const;
      51              :     int videoTimeLabelY() const;
      52              :     int videoCtrlY() const;
      53              :     int videoFilesY() const;
      54              :     int videoFileListTopY() const;
      55              :     int circlesSizeRangeY() const;
      56              :     int circlesSliderY() const;
      57              :     int circlesHandleLabelsY() const;
      58              :     int animFloatToggleY() const;
      59              :     int animCollisionToggleY() const;
      60              :     int animClockToggleY() const;
      61              :     int animClockDivY() const;
      62              :     int animClockKickSliderY() const;
      63              :     int animFloatIntensitySliderY() const;
      64              :     int animFloatSpeedSliderY() const;
      65              :     int buttonsY() const;
      66              : 
      67              :     // Hit-test: which section header contains this content-space Y?
      68              :     // Returns SectionCount if no header hit.
      69              :     Section hitTestHeader(int contentY) const;
      70              : 
      71              :     // Section content heights (when expanded)
      72              :     static constexpr int kHeaderH = 20;
      73              :     static constexpr int kSectionGap = 20;
      74              :     static constexpr int kMidiRoutingContentH = 7 * 26;     // 182
      75              :     static constexpr int kVideoContentH = 288 + StyleTokens::kPadding;
      76              :     static constexpr int kCirclesContentH = 80;
      77              :     static constexpr int kAnimationContentH = 304;
      78              :     static constexpr int kButtonsH = 68;
      79              : 
      80              :     // Y where the first foldable section starts
      81              :     static constexpr int kFirstSectionY = 66;
      82              : 
      83              : private:
      84           21 :     bool folded_[SectionCount] = {false, false, false, false};
      85           21 :     int scrollOffset_ = 0;
      86           21 :     int viewportHeight_ = 1080;
      87              : 
      88              :     void clampScroll();
      89              : };